• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
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    • 专利摘要:
    An electronic differentiating device incorporating a non-contact electronic sensor system, a controller, and a signaling device that can indicate the presence of urine and / or bowel evacuation is disclosed. In particular, the electronic differentiating device can differentiate between only an excretion of urine and an excretion containing bowel evacuation. The device can then generate different alerts based on the type of excretion. The electronic differentiating device can also emit a signal at or near the opening of an absorbent article or transmit the alert wirelessly to a radio, computer device or smartphone.
    公开号:BR112014009668B1
    申请号:R112014009668-6
    申请日:2012-09-24
    公开日:2020-11-03
    发明作者:Kathy Geralyn Richardson；John Gavin Macdonald；Jose K. Abraham；Davis Dang Hoang Nhan；Theodore T. Tower；Candace Dyan Krautkramer
    申请人:Kimberly-Clark Worldwide, Inc；
    IPC主号:
    专利说明:

    [001] Absorbent items like diapers, training pants, incontinence products, feminine hygiene products, swimming underwear, bed sheets, and the like usually include a liquid-permeable lining on the side facing the body, an impermeable outer cover liquids and an absorbent core. The absorbent core is normally located between the outer cover and the lining to receive and retain waste exhaled by the user. The absorbent core may be composed of, for example, superabsorbent particles. Many absorbent particles, especially those sold under the trade name HUGGIES ™ by Kimberly-Clark Corporation, are so efficient at absorbing liquids that it is sometimes difficult to tell whether an absorbent article has been hit with body excretion such as urine or bowel evacuation.
    [002] Consequently, several types of indicators of humidity, wetting or bowel movement have been suggested for use in absorbent articles in order to detect the presence of urine or bowel movement within an absorbent article.
    [003] These indicators may include an alarm or signaling devices that are designed to help parents or caregivers to identify a wet or dirty diaper condition as soon as possible. Signaling devices produce both a visual and an audible signal.
    [004] In some applications, a wetting indicator has been added to an absorbent article to detect excretion of liquid waste, or an odor detection sensor has been added to detect excretion of solid waste. In these applications, conductive materials are incorporated into the absorbent article where the excretion must come in close contact with the conductive materials in order for the indicator to detect excretion. For example, conductive materials serve as conductive wires for a signaling device and form an open circuit in the article that can be closed when a fluid, such as urine, closes the circuit. In these applications, although absorbent articles may be disposable, signaling devices are not. Thus, the signaling devices are intended to be removed from the article and replaced in a subsequent article.
    [005] Problems, however, were encountered when designing an absorbent article with conductive materials where urine or intestinal evacuation comes in sufficient contact with the conductive materials to close the open circuit. In addition, problems have been experienced with the inclusion of conductive materials such as metals within an absorbent article because such materials trigger metal detectors during the transport process. In addition, the use of conductive wires makes it difficult for manufacturers of absorbent articles to monitor their products from a safety point of view. For example, it can be difficult to assure consumers that a product is free of all other metals or other foreign objects with the exception of conducting wires. Therefore, there is a need for the device of the article to be able to detect both urine and intestinal evacuation excretions, without the use of conductive wires.
    [006] Additionally, advances in absorbent article technology with the use of hydrophobic inner layer in absorbent articles allows urine to pass through the surface of the absorbent article so that it cannot come into contact with the skin, even after several excretions. However, feces or bowel movements cannot be completely absorbed in any of these layers, which means that prolonged contact with the skin is inevitable. An electronic device that can detect body fluids such as urine and bowel evacuation components is highly desired, especially for new users as well as users of adult care incontinence products. Since many of the prior techniques for detecting bowel movements are based on wetting detection, they cannot differentiate between urine and bowel movements. This can disorient a user and adds an additional task for an already overworked caregiver. One of the challenges of the commercialized indicators is that it cannot differentiate between intestinal evacuation, sweat and the passage of gases. A sensor that can differentiate between urine and intestinal evacuation would allow a caregiver to react more quickly to the exchange of an absorbent containing an intestinal evacuation excretion, where prolonged contact of the excretion with the child's skin can be detrimental to the child's health. SUMMARY
    [007] In general, the present disclosure is directed to an electronic differentiation device including a non-contact electronic sensor system, a controller and a signaling device that can alert the user to urine excretions and / or bowel movements. The signaling device, for example, can be configured to indicate to a user (user or caregiver) that excretion of urine and / or bowel evacuation is present in an absorbent article. For example, in an application, an absorbent article comprises a diaper or training pants and the electronic differentiation device is configured to indicate the presence of urine, bowel evacuation or both. In another application, the device can differentiate between urine excretion and bowel evacuation. In other applications, however, the electronic discriminating device can be configured to indicate the presence of yeast or metabolites, depending on the specific type of absorbent article that is used in conjunction with the signaling device.
    [008] In an application, an electronic discriminating device may comprise a non-contact electronic sensor system. The electronic non-contact sensor system can contain a plurality of gas sensors and can monitor the gas concentration levels of gases emitted by two or more volatile compounds within an absorbent article.
    [009] The present disclosure may also comprise a controller configured to receive information from the electronic sensor system without contact. The controller, based on information received from the non-contact electronic sensor system, can be configured to determine whether a urine excretion or bowel movement has been detected. The controller can be further configured to differentiate between just a urine excretion or an excretion containing bowel evacuation.
    [0010] In another application, the electronic discriminating device may include a signaling device that communicates with the controller. The signaling device can emit a first signal when the controller determines that only one excretion of urine is present and can emit a second signal when the controller determines that an excretion containing intestinal evacuation is present within the absorbent article.
    [0011] In yet another application, the electronic discriminating device, as defined, can also comprise a housing unit. The electronic non-contact sensor system of the electronic discriminating device, which can be housed inside the housing unit, together with the controller and signaling device, can also monitor the gas concentration levels of gases associated with ammonia, indole, and thiols, such as mercaptan. The electronic discriminating device may also be able to monitor the gas concentration levels of other volatile compounds such as short-chain fatty acids, acetic acid, methane, hydrogen sulfide, eschatol, dimethyl sulfide or combinations of any of the volatile compounds above described.
    [0012] In another application, the electronic non-contact sensor system can monitor the concentration levels of a substance that emits gas, in which the gas-emitting substance emits a gas after excretion into the absorbent article, and in which the system non-contact electronic sensor monitors the gas concentration levels of the gas emitting substance inside the absorbent article. The electronic contactless sensor system of the present disclosure can also monitor changes in humidity and temperature within the absorbent article.
    [0013] In yet another application, the signaling device of the currently disclosed electronic discriminating device may generate an alert selected from an auditory signal, a vibrating signal, a visual signal, or a combination of the three. The signaling device can also generate an alert that is transmitted wirelessly to a radio at a remote location. In another application, the signaling device can generate an alert that is transmitted to a computer device or “smartphone”. The alert can be deactivated on or near the absorbent article by the user or caregiver remotely. The computer device or “smartphone” can also be adapted to receive data from the signaling device, generate reports that use at least a portion of the data received from the signaling device, and provide a user with access to data and reports.
    [0014] In yet another application, the housing of the electronic discriminating device can be connected to an absorbent article around the waist opening of the absorbent article. In addition, the electronic non-contact sensor system can also face the absorbent article.
    [0015] In an application, the electronic non-contact sensor system can monitor gas concentration levels or other levels, such as humidity and temperature, when normalizing under environmental conditions. For example, the controller can then detect any deviations in the gas concentration levels from predetermined ambient condition values recorded on the controller. In addition, the controller can use a multi-component data analyzer to differentiate between a urine excretion and a bowel evacuation excretion. The multi-component data analyzer can be conditioned to differentiate between a urine excretion and a bowel evacuation excretion by receiving data on known urine excretion and bowel evacuation data over time. The multi-component data analyzer can then classify an excretion as a urine excretion or an intestinal evacuation excretion by comparing data from an excretion within the absorbent article with data from known excretions.
    [0016] In another application, the electronic non-contact sensor system can use a surveillance sensor. The surveillance sensor can activate or “wake up” at least one sensor within the non-contact electronic sensor system when the pre-defined limit gas concentration level is detected by the surveillance sensor for at least one gas.
    [0017] Other characteristics and aspects of this disclosure are discussed in more detail below. BRIEF DESCRIPTION OF THE DRAWINGS
    [0018] The full and enabling disclosure, including its best way for someone with competence in the technique, are defined more particularly in the specification, including reference to the attached figures in which:
    [0019] Figure 1 is a perspective view of an application of the present disclosure including an application of a housing unit with a non-contact electronic sensor system, controller and signaling device.
    [0020] Figure 2 is a block diagram of an application of a housing unit which can contain a non-contact electronic sensor system, a controller and a signaling device that can be positioned at or near the opening of the belt. an absorbent article or can transmit a signal to a radio, a computer device, a “smartphone” or a smart indicator / screen that is on or near the housing unit.
    [0021] Figure 3 is a block diagram of signal detection and classification of patterns involved in which a non-contact electronic sensor system, controller, and signaling device finally detects and differentiates between urine excretion and bowel evacuation in an article pad.
    [0022] Figure 4 is a graph that is representative of various outputs from a non-contact electronic sensor system, which can be used to determine whether urine excretion, bowel evacuation or both have occurred within an absorbent article.
    [0023] Figure 5 is a block diagram showing how an application of a signaling device can transmit data to a computer device or “smartphone”, which can then generate data reports for a user or caregiver to access.
    [0024] Figure 6 is an application of a fastening mechanism for attaching a housing unit to an absorbent article in accordance with the present disclosure.
    [0025] Figure 7 is another application of a fastening mechanism for attaching a signaling device to an absorbent article in accordance with the present disclosure. DETAILED DESCRIPTION OF THE INVENTION
    [0026] Reference in detail will now be made in relation to the various exemplary and alternative applications and the accompanying drawings, with identical numbers representing substantially identical structural elements. Each example is provided by way of explanation, not as a limitation. Indeed, it will be apparent to those skilled in the art that modifications and variations can be made without departing from the scope or spirit of the description and claims. For example, the features illustrated or described as part of an application can be used in another application to obtain yet another application. Thus, it is intended that the present disclosure includes modifications and variations that fall within the scope of the attached claims and their equivalents.
    [0027] The present disclosure is generally directed to an electronic discriminating device that can be configured to indicate the presence of urine excretion or intestinal evacuation in an absorbent article or other changes in the condition of the product or user, such as changes in temperature and humidity or the presence of a bad odor. The absorbent article can be, for example, a diaper, training pants, an incontinence product, a feminine hygiene product, a medical garment, a dressing, a bed protection and the like. An electronic discriminating device manufactured in accordance with the present disclosure can include humidity and temperature sensors, a non-contact electronic sensor system, a controller and a signaling device that can be contained within a fixed housing unit, for example , at or near the waist opening of an absorbent article, diaper, training pants or incontinence product.
    [0028] However, depending on the sensitivity of the sensors that can be used in the sensor set, fixing to the absorbent article may not be necessary. Generally, the absorbent article can be disposable, which means that it is designed to be disposed of after limited use, rather than being washed or restored for reuse.
    [0029] The electronic discriminating device of the present disclosure can monitor the conditions within an absorbent article, through the use of a non-contact sensor system, a controller, a signaling device, a transmitter and a receiver. The controller can be a microprocessor like a multi-component data analyzer. The contactless electronic sensor system, controller and signaling device can be contained within a single housing unit. In another application, the electronic non-contact sensor system, controller and transmitter can be separated from each other (ie, not contained in a single housing unit). The electronic non-contact sensor system can consist of individual gas sensors that separately monitor such volatile compounds (VCs) as short-chain fatty acids (acetic acid), ammonia, methane, hydrogen sulfide, dimethyl sulfide, thiols, eschatol and indole. As used herein, the term "volatile compound" is intended to include both organic and inorganic metabolic gases and compounds produced by microbes present in body waste or excreta.
    [0030] Specific VCs may be associated with one or more types of bodily excretions, including, but not limited to, urine and bowel evacuation. VCs normally associated with urine include, for example, ammonia compounds (eg, ammonium hydroxide), short chain acids (C1-C2) (eg, acetic acid), medium length aldehydes (Cs-Cio) (eg nonanal), ketones (eg methyl ethyl ketone), cresol (eg methylphenol), dimethyl disulfide, trimethylamine, limonene (eg 4-isopropenyl-1-methylcyclohexane), acetic acid, methyl benzoate, benzamide, benzaldehyde, and triethylamine, among others. VCs normally associated with bowel or stool evacuation include, for example, eschatol (eg, 3-methyl-1H-indole, 3-methyl-indole, etc.), mercaptans (eg, 2-mercaptoethanol), hydrogen sulfide , short-chain fatty acids (eg, myristic acid), methanethiol (eg, 2-mercaptoethanol), and dimethyl sulfide, among others. Some of the most common VCs in bowel or stool evacuation include short-chain fatty acids, indole and thiols. Other bowel evacuation or stool VCs include but are not limited to 4-methyl-phenol, pentanoic acid, 2- or 3-methylfuran, carbon disulfide, butanoic acid, ethanoic acid, 6-methyl-5-hepten-2-one , 2 - pentanone 2-butanone, 2,3-butanedione, acetaldehyde, acetone, 2-heptanone, propanal, hexanal, and 3-methyl.
    [0031] In one application, an absorbent article may further contain a gas-emitting substance that emits a gas when urine excretion or faecal excretion occurs, and the electronic non-contact sensor system may consist of at least one gas sensor that can monitor the gas emitted from the gas emitting substance. An advantage of adding a gas-emitting substance is that the volume of gas produced immediately after excretion can be so high that an excretion can be detected more quickly than when only gases associated with an excretion are present. Gases associated with urine or bowel evacuation may not be present in quantities as large as those associated with the gas-emitting substance, which could require a longer period of time to detect excretion.
    [0032] For example, baking soda or another substance that can emit a gas can be placed inside the absorbent article during the manufacturing process or at any other time before the absorbent article is used by the consumer. The substances that can be included in the absorbent article may be in the form of powders, particles, fibers, flakes, agglomerates, granules, spheres, tablets, or lotions and may or may not be encapsulated. The materials can be incorporated in the absorbent article itself, as in the absorbent core or in a material such as a liner for women's underwear that can be added to the absorbent article at a later time. After urine excretion or bowel evacuation occurs, sodium bicarbonate or another substance, such as a powdered citric acid / bicarbonate mixture can emit a gas, and the electronic non-contact sensor system may contain a sensor capable of monitoring the level of this gas. A microencapsulated film inside the absorbent article can also be used to emit a gas that can be detected by the sensors in the non-contact electronic sensor system.
    [0033] Water-soluble films, such as polyvinyl alcohol and polysaccharide films, available from MonoSol, LLC in Merrillville, Indiana, can be used to encapsulate volatile substances, such as a fragrance or menthol. These encapsulated materials can be placed in the absorbent article, and when wet, the film can be dissolved and can release volatile substances that can be detected by the electronic contactless sensor system. The processes by which the gas-emitting substance can be incorporated into an absorbent article are described in U.S. Patent Application No. 2011 / 0152806A1 published on June 23, 2011 by Zhou et al. In addition, the controller can be programmed to recognize a gas level of the substance above a threshold level which may indicate the presence of urine excretion or intestinal evacuation excretion within the absorbent article. In another application, the electronic non-contact sensor system can monitor the temperature and humidity inside the absorbent article. Sensors that monitor temperature and humidity can be used alone or in combination with each other and the other sensors used to measure VCs.
    [0034] A combination of a non-contact electronic sensor system and a controller can be described as a system of sensors that can be of variable specificity in order to monitor the VCs that may be present in a gas sample. A sensor system or possibly a single device can detect specific odors, and then a controller such as a microprocessor uses pattern recognition to identify specific odors within a sample. The gas sample comes into contact with the sensor system, where each sensor in the system has the ability to identify a gas associated with certain substances. More than one sensor can be grouped in a system so that the controller can differentiate between various gases detected by various sensors, which may require a high level of independence between the sensors and how they operate to monitor a gas because of cross-correlation and redundancy. The sensors can be conductivity sensors, piezoelectric sensors, optical sensors or metal oxide semiconductor (MOS, metal oxide semiconductor) sensors.
    [0035] MOS sensors are commercially available and are often used due to their high sensitivity to a wide range of organic compounds and gases. However, other types of sensors are also commercially available including, but not limited to, those mentioned above.
    [0036] One way in which a sensor operates is that when a sample of a particular gas comes into contact with a sensor designed to monitor this gas, the sensor undergoes a physical or chemical change.
    [0037] This, in turn, causes a change in the electrical signal, which can be detected by a controller. The controller can be preconditioned to recognize that certain patterns are associated with certain gases, and therefore is capable of detecting gases associated with urine excretions, intestinal evacuation excretions or other substances within an absorbent article.
    [0038] Determining which sensors to use in the electronic non-contact sensor system depends on the substances to be detected. Individual sensors designed to measure the gas concentration levels associated with certain VCs or another substance can be selected. These sensors can then be arranged within a non-contact electronic sensor system so that more than one gas can be monitored at a time. The suitability of a specific sensor material to monitor a VC, another substance emitting gas, temperature or humidity can be easily and promptly determined by a person skilled in the art based in part on the description given here.
    [0039] In one application, the electronic non-contact sensor system can use more than one sensor to monitor the amount of a mixture of gases that can be generated from body excretions such as urine and bowel evacuation. A controller inside the electronic discriminating device can also identify and classify an excretion based on the type of excretion analyzed, which may be urine, bowel movement, or a combination of both. The device can make a decision about the presence of an excretion or also the type of excretion after analyzing the signals from one or more sensors inside the non-contact electronic sensor system. The controller can also analyze data to identify the presence of another gas-emitting substance after excretion of urine or intestinal evacuation or changes in humidity or temperature within the absorbent article.
    [0040] In one application, the electronic discriminating device can identify what type of excretion occurred in an absorbent article because the nature and concentration of the VCs in the urine and intestinal evacuation may be different. The electronic non-contact sensor system can first measure environmental conditions where any deviations from the pre-determined values of the gases are recorded on a controller. The device could then define a low power sensor as a surveillance sensor, where if the surveillance sensor reads any values above the predetermined limit, it would activate other sensors to "wake up" and read their values. Then, the controller could read all of these values and identify discrete components. Values can be measured in a way that distinguishes between urine and bowel movement.
    [0041] The controller may be able to differentiate between urine and bowel evacuation excretions through data analysis after it is programmed or conditioned with well-defined groups of populations from sensor data. In this way, the controller can be “conditioned” to detect various gases and associate them with urine excretion or bowel evacuation. From the time series of the raw signal from the sensor or sensors that may be present within a non-contact electronic sensor system, the controller can derive from a series of primary and secondary characteristics of the signal data coming from the sensors, which then serve as a basis for classification when an excretion has occurred and is identified. For example, by maintaining a non-contact electronic sensor system over time, you can determine the peak or quantile of the pre-processed signal or signal (for example, moving average, gradient, or other combination of pre-processing steps ) to achieve an estimate of the signal magnitude. For the same or different pre-processed signals, an estimate of the signal slope point can also be determined, including, but not limited to, maximum, minimum, average, quantile or other measure. An additional measure may include the integrated area of the pre-processed signal. Still other quantities are also possible, and it should be noted that the signal magnitude, slope and area serve only as examples of point estimation characteristics.
    [0042] In another application, several classifiers can be developed from primary or secondary resources, in order to differentiate between the type of excretion and / or the number of occurrences. In addition, other potential child health indicators can also be developed from primary or secondary resources. Conditioning data, for which both signal and excretion identification data are provided, can be used to develop the pattern classifier within the controller. The model variables corresponding to the characteristics can be added to maximize the variance between the classes and to minimize the expected residual sum of the squares for the test data, or invisible data. Classifiers include, but are not limited to, linear / nonlinear discriminant analysis techniques, neural networks, classification and regression trees, and other techniques that create a continuous or discrete signal for the user. In one example, the 90th percentile measurement together with the maximum slope of a 35-second average signal running from three sensors (for example, humidity, VC, and ammonia), a classification error rate of 4% is obtained in the data conditioning. A lower classification error rate can be obtained by adding data from more sensors for analysis.
    [0043] In yet another application, an energy saving feature can be used where the total energy is used only for the surveillance sensor, while the battery life of the other sensors can be increased by pulse feeding by selectively increasing the inputs voltage for the non-contact electronic sensor system. The electronic differentiation device can initially define a low power sensor as a surveillance sensor. If the surveillance sensor reads any values well above a pre-defined threshold value, it can activate at least one other sensor or several sensors to “wake up” and read their values. The controller can then read all of these values and analyze the data by identifying discrete components.
    [0044] The controller can read gas levels monitored by the gas sensors in the non-contact electronic sensor system and analyze the data to identify a urine excretion, an intestinal evacuation excretion, the presence of another gas-emitting substance after the occurrence excretion of urine or bowel evacuation, or changes in humidity or temperature within the absorbent article. The controller can first read the initial gas concentration levels monitored or detected by the electronic non-contact sensor system. These levels can then be calibrated to reflect the zero or zero value, so any changes from these calibrated values can be monitored. If there is a change in the level of gas concentration, temperature or humidity above a certain limit, the controller can trigger an alarm through a signaling device.
    [0045] The signaling device can supply power to the controller and at the same time include an audible, visible and / or vibrating warning signal that indicates to the user the presence of a urine excretion or an intestinal evacuation excretion. Any signaling device alerts can also be activated remotely or displayed on smartphones or computers. In another application, an alert can also be sent to a wireless radio. In yet another application, the alert can be sent to an indicator or screen on the housing unit, or some other area close to the absorbent article so that the user or other person who may be nearby can be alerted to excretion. Alerts can be disabled remotely or on or near the signaling device itself. As alerts can be visual, auditory, vibrating or sent remotely to a computer or smartphone device, a caregiver can modify the type of alarm based on the level of discretion that is desired. For example, if the caregiver is at home with the bearer of the article, it may be more appropriate to have an auditory alert, whereas if the caregiver and user are in a public place, a remote alert sent to a smarthphone or a silent alert as a visual alert may be more appropriate. Although the absorbent article is disposable, the electronic discriminating device can be reusable from one article to another article. In this regard, the present disclosure is particularly directed towards the electronic non-contact sensor system, the controller, the signaling device and the fixing mechanisms that allow an easy connection between the electronic non-contact sensor system, the controller, the signaling device and the absorbent article. For example, the electronic non-contact sensor system, controller and signaling device can all be contained within a single housing unit that is attached to the opening of the diaper or training pants through the use of a clip or other device.
    [0046] The housing unit can be connected to or near the waist opening of the absorbent article by means of a clip on the device or other means, where the electronic non-contact sensor system can face the interior of the absorbent article. If the non-contact electronic sensor system is part of an application that includes a housing unit, small holes may be located in the housing unit in a way that results in the holes being exposed to the inside of an absorbent article to allow sufficient sampling of the gas by the electronic non-contact sensor system. Alternatively, the housing unit can be connected to the absorbent article by other means, as long as it is possible for the non-contact electronic sensor system to be close enough to the interior of the absorbent article to detect gases within the absorbent article.
    [0047] As described above, the electronic non-contact sensor system in combination with the signaling device can be configured to indicate the presence and number of urine excretions or intestinal evacuation within an absorbent article.
    [0048] However, the particular target excretion may vary depending on the specific type of absorbent article and the intended application. For example, in an application, the absorbent article comprises a diaper, training pants, or the like and the signaling device is configured to indicate the presence of urine. Alternatively, the signaling device can be configured to indicate the presence of a volatile compound that would indicate the presence of a solid bowel or fluid-like bowel evacuation. Furthermore, the signaling device can be configured to indicate the presence of both: excretion of urine and an excretion of intestinal evacuation, which may be more fluid than solid, based on age, diet or other characteristics of the user. absorbent article.
    [0049] Referring to Figure 1 for example purposes, an absorbent article 20 that can be used according to the discriminating electronic device of the present disclosure is presented. The absorbent article 20 may or may not be disposable. It is understood that the present disclosure is suitable for use with various other absorbent articles intended for personal use, including, but not limited to diapers, training pants, bathing pants, feminine hygiene products, incontinence products, medical clothing, gauze surgical and dressing, other garments of personal care or health professionals, and the like without departing from the scope of this disclosure.
    [0050] By way of illustration only, various materials and methods for constructing absorbent articles such as diaper 20 of the various aspects of the present disclosure are described in PCT Patent Application WO00 / 37009 published on 29 / June / 2000 by A. Fletcher et al; U.S. Patent No. 4,940,464 filed on July 10, 1990 by Van Gompel et al., U.S. Patent No. 5,766,389 filed on June 16, 1998 by Brandon et al, and U.S. Patent no. ° 6,645,190 deposited in ll / November / 2003 by Olson et al. which are hereby incorporated by reference, insofar as they are compatible (that is, not in conflict) in relation to this patent.
    [0051] An absorbent article or diaper 20 is shown in Figure 1 in a partially stuck condition. Diaper 20 defines a pair of longitudinal end regions, otherwise mentioned here as a frontal region 22 and a posterior region 24, and a central region, otherwise mentioned here as a genital region 26, which extends longitudinally between and connecting the front and rear regions 22, 24. The diaper 20 also defines an interior surface 28 adapted in use (for example, positioned in relation to the other components of article 20), to be arranged towards the user, and an external surface 30 opposite the inner surface. The frontal and posterior regions 22, 24 are those portions of the diaper 20 that, when worn, fully or partially cover or surround the waist or the lower-middle part of the user's torso. The genital region 26 is generally that portion of the diaper 20 that, when worn, is positioned between the user's legs and covers the user's lower torso and genitals. The absorbent article 20 has a pair of laterally opposite side edges 36 and a pair of longitudinally opposite waist edges, designated respectively the front edge of the waist 38 and the rear edge of the waist 39.
    [0052] The illustrated diaper 20 includes a structure 32 which, in this application, comprises the frontal region 22, the posterior region 24, and the genital region 26. Referring to Figure 1, the structure 32 includes an external cover 40 and a coating facing the body 42 that can be joined to the external cover 40 in the same overlapping relationship by means of adhesives, ultrasound joints, thermal joints or other conventional techniques. Referring to Figure 1, the liner 42 can be suitably joined to the outer cover 40 along the perimeter of the frame 32 to form a front seam of the waist and a rear seam of the waist. The liner 42 can be suitably joined to the outer cover 40 to form a pair of side seams in the front region 22 and the rear region 24. The liner 42 can generally be adapted, that is, positioned in relation to the other components of article 20, to be arranged towards the user's skin when using the absorbent article. The frame 32 may further include an absorbent structure disposed between the outer cover 40 and the body facing liner 42 to absorb liquid or solid bodily excretions secreted by the user, and may also include a pair of retaining tabs 46 attached to the side lining of the body 42 to inhibit the lateral flow of body secretions.
    [0053] The elastic retaining tabs 46 as shown in Figure 1 define a partially loose edge that assumes a vertical configuration at least in the genital region 26 of the diaper 20 to form a seal against the user's body. The containment flaps 46 may extend longitudinally along the entire length of the frame 32 or may extend only partially along the length of the frame. Suitable constructions and arrangements for the retaining tabs 46 are generally well known to those of skill in the art and are described in U.S. Patent 4,704,116 filed on November 3, 1987 by Enloe, which is hereby incorporated by reference.
    [0054] To further improve the retention and / or absorption of bodily excretions, diaper 20 may also adequately include the elastic leg elements (not shown), as known to those skilled in the art. The elastic leg elements can be operationally attached to the outer cover 40 and / or the body side lining 42 and positioned in the genital region 26 of the absorbent article 20.
    [0055] The elastic leg elements can be formed from any suitable elastic material. As is well known to those skilled in the art, suitable elastic materials include sheets, threads or tapes of natural rubber, synthetic rubber, or thermoplastic elastomeric polymers. The elastic materials can be stretched and adhered to a substrate, adhered to a joined substrate, or adhered to a substrate that then receives an elastic or is shrunk, for example with the application of heat, such that the forces of elastic retraction are transmitted to the substrate. In one particular aspect, for example, the elastic leg members may include a plurality of dry spunex coalesced and spunex elastomeric yarns sold under the trade name LYCRA and available from Invista, Wilmington, Delaware, U.S.A.
    [0056] In some applications, absorbent article 20 may also include a delay control layer (not shown), which can optionally be located adjacent to absorbent structure 44 and attached to various components in article 20, such as absorbent structure 44 or the body side coating 42 by methods known in the art, such as using an adhesive. A delay control layer helps to slow down and disperse jets or jets of liquid or other residue that can be quickly introduced into the absorbent structure of the article. Desirably, the delay control layer can quickly accept and temporarily retain the liquid or other residue before releasing the liquid or other residue in the storage or retention portions of the absorbent structure. Examples of suitable delay control layers are described in U.S. Patent No. 5,486,166; and U.S. Patent No. 5,490,846. Other suitable delay control materials are described in U.S. Patent No. 5,820,973. The full disclosures of these Patents are hereby incorporated by reference, insofar as they are consistent (ie, not in conflict) with this document.
    [0057] As shown in Figure 1, the absorbent article 20 may further include a pair of opposing elastic side panels 34 which are attached to the rear region of the frame 32. As shown in particular, side panels 34 can be stretched around the waist and / or a user’s hips to protect clothing in place. As shown in Figure 1, the elastic side panels are attached to the structure along a pair of opposite longitudinal edges 37. The side panels 34 can be attached or glued to the structure 32 using any suitable gluing technique. For example, side panels 34 can be attached to the structure by means of adhesives, ultrasound joints, thermal joints or other conventional techniques.
    [0058] In an alternative application, the elastic side panels can also be formed integrally with the structure 32. For example, the side panels 34 can comprise an extension of the body side cover 42, the outer cover 40, or both coverings on the body side 42 and the outer cover 40.
    [0059] In the applications shown in Figure 1, side panels 34 are connected to the rear region of the absorbent article 20 and extend over the front region of the article when fixing the article in place on a user. It should be understood, however, that the side panels 34 can alternatively be connected to the front region of the article 20 and extend over the rear region when the article is worn.
    [0060] With the absorbent article 20 in the secured position as partially illustrated in Figure 1, the elastic side panels 34 can be connected by a fastening system to define a three-dimensional diaper configuration that has an opening at the waist 50 and a pair of openings for legs 52. The waist opening 50 of article 20 is defined by the waist edges 38 and 39, which surround the user's waist.
    [0061] In the applications shown in Figure 1, the side panels are removably coupled to the front region 22 of article 20 of the fastening system. It should be understood, however, that in other applications the side panels can be permanently attached to the frame 32 at each end. The side panels can be permanently glued together, for example, when training pants or absorbent swimwear are formed.
    [0062] The elastic side panels 34, each have an outer longitudinal edge (not shown), an end edge of the leg 70 disposed towards the longitudinal center of the diaper 20, and edges of the waist end 72 disposed in the direction of a longitudinal end of the absorbent article. The end edges of the legs 70 of the absorbent article 20 can be suitably curved and / or angled to provide a better fit around the user's legs. However, it is understood that only one end edge of the leg 70 can be curved or angled, like the edge of the leg end of the rear region 24, or, alternatively, none of the end edges of the leg can be curved or angled , without departing from the scope of this disclosure. Finally, side panels 34 are generally aligned with a waist region 90 of frame 32.
    [0063] The fastening system can include laterally opposed first fixation components 82 adapted for re-fastening coupling to the corresponding components of the second fixation (not shown). In the application shown in the figures, the first fastening component 82 is located on the elastic side panels 34, while the second fastening component can be located in the front region 22 of the structure 32. In one aspect, a front or external surface of each of the components fastening includes a plurality of coupling elements. The coupling elements of the first fasteners 82 are adapted to repeatedly couple and decouple corresponding coupling elements of the second fasteners to removably hold the article 20 in its three-dimensional configuration.
    [0064] The fastening components can be any reusable fasteners suitable for absorbent articles, such as adhesive fasteners, cohesive fasteners, mechanical fasteners, or the like. In specific aspects the fastening components include mechanical fastening elements for improved performance. Suitable mechanical fastening elements can be provided by interlocking materials in geometric shape of hooks, loop, bulb, mushroom, arrows, stem ball, male and female coupling components, buckles, clasps, or the like.
    [0065] The first fastening member 82 may include hook fasteners and the second fastener may include complementary loop fasteners. Alternatively, the first fastener 82 can include loop fasteners and the second fastener can be complementary hook fasteners. In another aspect, the fastening components can be similar surface interlocking fasteners, or adhesive and cohesive fastening elements, such as an adhesive fastener and a landing area or adhesive-receptive material; or the like. One skilled in the art will recognize that the shape, density and polymer composition of the hooks and loops can be selected to obtain the desired level of coupling between the fastening components. Suitable fastening systems are also described in the previously incorporated PCT Patent Application WO 00/37009 published on 29 / June / 2000 by A. Fletcher et al. and U.S. Patent No. 6,645,190 previously filed on November 1, 2003 by Olson et al.
    [0066] In the application shown in the figures, the fastening components 82 are attached to the side panels 34 along the edges. In this application, the fastening components 82 are not elastic or extensible. In other applications, however, the fastening components can be integral with the side panels 34. For example, the fastening components can be directly attached to the side panels 34 on the surface thereof.
    [0067] In addition to the possibility of having elastic side panels, the absorbent article 20 may include several elastic waist elements to provide elasticity around the waist opening. For example, as shown in the figures, the absorbent article 20 may include a front elastic waist element 54 and / or a rear waist elastic element 56.
    [0068] Referring to Figures 1 and 2, for example, the electronic differentiating device may be contained in a housing unit 102, which contains, for example, a contactless electronic sensor system 104, a controller 106 and a signaling device 110, which is shown attached to absorbent article 20. In this application, signaling device 110 generally includes a transmitter 112, which communicates with a receiver 114. The receiver can be a radio, a computer or a “smartphone ”. The transmitter 112 can be housed in the housing unit 102 with the non-contact electronic sensor series 104 and controller 106. When an excretion is present in the absorbent article 20, controller 106 detects changes in the levels of gas monitored by the non-contact electronic sensor system 104, which in turn activates the signaling device 110. In one application, the electronic non-contact sensor system is able to monitor gas levels through visible openings 108 in housing unit 102. In another application, it is possible that the housing unit is made of a porous material so that a sufficient amount of gas can enter the housing unit, to allow the non-contact electronic sensor system to detect the presence of any gases.
    [0069] In yet another application, transmitter 112 can send a wireless signal or alert receiver 114 which then indicates to a user that urine excretion or bowel evacuation is present in the absorbent article. The signaling device 110 can emit an audible signal, a visual signal and / or a vibrating signal to indicate to the user that an excretion has been detected. The sound signal, for example, can be as simple as one or more beeps, maybe even a musical melody. Similarly, if the signaling device 110 emits a visible signal, the visible signal may comprise some lights or an interactive screen. Signs or alerts can be disabled remotely at or near the opening of the absorbent article. In yet another application, the receiver 114 of the signaling device 110 can be configured to vibrate when an excretion has been detected.
    [0070] As described above, the signaling device 110 can be configured to indicate the presence of any excretion within the absorbent article 20. The excretion may comprise, for example, urine and / or bowel evacuation. In the application shown in Figures 1 and 2, signaling device 110 includes a transmitter 112, in combination with a receiver 114. It should also be understood, however, that the signaling device can be a single unit that is located at or near the absorbent article 20. For example, the signaling device can be mounted on the absorbent article and emit a visible signal and / or an audible signal from the article itself so that the user or another person, such as a caregiver who is nearby, can be notified of excretion. In addition, it should be understood that the data from the signaling device can be transmitted to a radio, computer or smartphone via a wireless network or by other means.
    [0071] In the application shown in Figure 2, the housing unit 102 that can be attached to an absorbent article contains an electronic non-contact sensor system 104, which may have a temperature sensor 96, a humidity sensor 98, at least at least one individual gas sensor 100, a controller 106 and a signaling device 110, which may include a transmitter 112 and a receiver 114. In addition, openings 108 may be present in the signaling device that allows the sensor system electronic contact 104 is exposed to a sufficient gas sample to detect the presence of one or more gases. In another application, a gas sample can reach a non-contact electronic sensor system when moving through a housing unit made of a porous material. In yet another application of a housing unit, if the signal is presented to the user, the receiver is present at or near the housing unit itself. Meanwhile, if the signal is being presented to another user, such as a caregiver, through means such as wireless radio, a computer device or smartphone, the receiver can send a wireless signal to a transmitter located some distance from the receiver and signaling device. The signal can be disabled remotely at or near the absorbent article.
    [0072] Figure 3 is a block diagram, which represents an application of an electronic differentiating device described in the present disclosure. This diagram shows an example of the process by which the electronic differentiating device can detect and classify data patterns and then transmit the analysis of that data to a monitor, smartphone, or computer device over a wireless network. First, the electronic differentiating device must turn on and initialize in order to start monitoring or detecting levels of gas concentrations, temperature and / or humidity. The device works with low power with a sensor that looks for changes in levels being monitored at defined intervals, such as every minute, for example. The voltage controller can then be initialized, which can lead to the initialization of a surveillance sensor. Additional sensors can be read only after a certain threshold level is reached, in order to provide an energy-saving feature. When the gas concentration limit levels are monitored and detected, then the electronic differentiating device can read and calculate the levels in order to make a decision to signal an alert to a user through an auditory, visual, or vibratory signal, which may or may not be transmitted to a wireless radio, smartphone, computer device, or other screen media.
    [0073] Figure 4 shows the data that an application of an electronic contactless sensor system can collect. The graph shows the gas concentrations monitored by an application of the non-contact electronic sensor system. Outlet concentration levels vary for faecal excretion or bowel evacuation (referred to as “BM” (Bowel Movement, Bowel Movement in the graph)) and urine excretion as shown by the different gas levels present in each of the gas samples. Gas concentrations can be detected by increasing above a minimum limit, after each of the individual sensors or the sensor system has been calibrated and set to zero, without the presence of an excretion. The graph shows the gas levels monitored by at least one sensor and shows that more than one sensor can be used within the non-contact electronic sensor to detect urine excretions and intestinal evacuation excretions within an application. It should be noted that gas concentrations will depend on the diet, the amount of excretion, as well as the time. The sensors are capable of detecting gas concentrations from just a few parts per million (PPM) to thousands of PPM. Whether a potential excretion within an absorbent article is a false alarm or is not decided by the controller. The gas sensors are only for reading the concentration values. A processor within the controller can determine whether a reading by the controller is an excretion or a false alarm (for example, flatulence), by analyzing the signal. For example, a gas concentration reading can be very high in the case of flatulence, but it decreases in a very short time by comparing gas concentration readings associated with excretion inside the absorbent article.
    [0074] Figure 5 is a block diagram that describes how a signaling device can connect with a computer or smartphone device, which can then generate data reports for the user to access. In an application, after a non-contact electronic sensor system has monitored at least one gas level and a controller has detected an increase above a threshold level through pattern recognition and data analysis to indicate the presence of an excretion of urine, a bowel evacuation excretion, or both, and differentiated between the two types of excretion, a signaling device can transmit an alert to a location at or near the waist opening of an absorbent article to inform the user or a caregiver that is nearby. In another application, the user or caregiver may wish to receive an alert at a remote location, such as via a wireless radio. In yet another application, the user or caregiver may wish to send the alerts to a computer or smartphone. When sent to a computer or smartphone, the alert can be visual or auditory, or the alert can be stored as data, along with previous and future alerts. In this way, the user or caregiver may be able to list data from the computer or smartphone to determine the number and type of excretions within an absorbent article being monitored. The user or caregiver can view a report generated on a computer or smartphone that has been transmitted to the computer or smartphone from the signaling device and can access the report for various uses.
    [0075] Different fastening mechanisms for securing the housing unit containing the electronic non-contact sensor system, controller and signaling device over the waist opening of an absorbent article will now be described in detail in relation to Figures 6 and 7. note that although the fastening mechanisms shown in the figures below generally incorporate two plates or sides, the electronic non-contact sensor system 104 can be positioned in an application so that it is on a plate or side facing the inside of the article absorbent in order to be able to detect gases and changes in humidity and temperature due to urine excretion and / or bowel evacuation.
    [0076] Referring to Figure 6, an application of a fastening mechanism that can be used to secure the housing unit 102 around the waist opening of an absorbent article 20 is shown. In this application, the housing unit 102 comprises a first outer plate 130 spaced from a second inner plate 132. The first outer plate 130 must be placed on the outside of the absorbent article 20. In one application, the second inner plate 132 can be placed inside the absorbent article 20, so that the gases emitted from the absorbent article 20, after excretion will be able to reach the openings 108. Once the gases reach the openings 108 in the housing unit 102, then the non-contact electronic sensor 104 can monitor gas concentration levels, and then controller 106 can detect changes in gas concentration levels due to excretion. In addition, one end of the first outer plate 130 can be pivotally connected to one end of the second inner plate 132 around a hinge 134.
    [0077] In order to attach the housing unit 102 to the absorbent article 20, the first outer plate 130 includes a pair of pins that serve as the first terminal 116 and the second terminal 118. As shown in the drawing, plates 130 and 132 of the housing unit 102 are configured to be placed on an edge of the frame, such as around a waist opening, and joined in such a way that pins 116 and 118 pierce the frame and lock in place.
    [0078] Referring to Figure 7, yet another application of a housing unit 102 connected to an absorbent article 20 is shown. In this application, the housing unit 102 may include a clip device comprising a first outer plate 130 spaced from a second inner plate 132. The plates 130 and 132 are integral with each other and are made of a flexible material, which allows that the plates are separated from each other for placing the signaling device on an edge in an absorbent article. Once the plates, however, are placed on the absorbent article, the plates are angled towards each other to hold the signaling device in place. In this way, the housing unit 102 has a paperclip-like structure. In this way, the housing unit 102 can be safely positioned below and close to the waist opening or it can be incorporated into the absorbent article.
    [0079] In one application, placing the second inner plate 132 inside the absorbent article 20 allows the gases emitted from the absorbent article 20, after excretion to reach the openings 108 in the housing unit 102. Once the gases reach the openings 108, then the non-contact electronic sensor system 104 can monitor gas concentration levels, and then controller 106 can detect changes in gas concentration levels due to excretion.
    [0080] In the applications illustrated in Figures 6 and 7, the housing unit 102 can be manufactured from any suitable material. For example, in one application, the housing unit can be manufactured from a flexible plastic material. It should be understood, however, that elastomeric materials and metal materials can also be used. In addition, at least a portion of the housing unit can be manufactured from porous or mesh-like material to allow the non-contact electronic sensor system to receive a sufficient gas sample to monitor gas levels above the level of limit.
    [0081] As described above, the present disclosure is particularly directed to a body excretion indication system that may be able to detect the presence of urine and or intestinal evacuation in an absorbent article 20 and differentiate between urine and intestinal evacuation. The remaining materials used to form the absorbent article 20 surrounding the elastic waist elements 54 and 56 may vary depending on the particular application and the particular product to be produced.
    [0082] The external cover 40, for example, can be breathable and / or it can be impermeable to liquids. The outer cover 40 can be constructed of a single layer, of multiple layers, laminates, spun fabrics, films, fused and blown fabrics, elastic mesh, microporous wefts, glued cardboard wefts or foams provided by elastomeric or polymeric materials. The outer covering 40, for example, can be a single layer of a liquid impermeable material, or alternatively it can be a laminated multilayer structure in which at least one of the layers is impermeable to liquids. In other applications, however, it must be understood that the external cover may be permeable to liquids. In this application, for example, the absorbent article may contain an inner liquid barrier layer.
    [0083] For example, the outer cover 40 may include a liquid-permeable outer layer and a liquid-impermeable inner layer that are suitably joined by a laminated adhesive, ultrasound joints, thermal joints, or the like. Suitable laminated adhesives, which can be applied or intermittently, in the form of beads, a spray, parallel swirls, or the like, can be obtained from Bostik Findley Adhesives, Inc., of Wauwatosa, Wisconsin, USA, or from National Starch and Chemical Company, Bridgewater, New Jersey, USA The liquid-permeable outer layer can be of any suitable material and is desirably one that provides a generally cloth-like texture. An example of such a material is a 20 gsm spun polypropylene weft (grams per square meter). The outer layer can also be made of those materials in which the liquid-permeable body side liner 42 is manufactured.
    [0084] The inner layer of the outer cover 40 may be both liquid and vapor impermeable, or it may be liquid impermeable and vapor permeable. The inner layer can be made from a thin plastic film, although other materials impervious to flexible liquids can also be used. The inner layer, or the liquid-impermeable outer cover 40, when in a single layer, prevents the waste material from wetting articles, such as bed sheets and clothing, as well as the user and caregiver. The liquid-impermeable film suitable for use as a liquid-impermeable inner layer, or a single-layer liquid-impermeable outer covering 40, is a 0.02mm polyethylene film commercially available from Pliant Corporation of Schaumburg, Illinois, USA .
    [0085] The coating facing the body 42 conforms properly, feels smooth and is not irritating to the user's skin. The body facing coating 42 is also sufficiently permeable to liquids to allow liquid excretion from the body to easily penetrate through its thickness into the absorbent structure (not shown). A suitable body-facing coating 42 can be manufactured from a wide variety of weft materials, such as porous foams, cross-linked foams, perforated plastic films, woven and non-woven fabrics, or a combination of such materials. For example, the body facing coating 42 may include a melted and blown weave, a spinning weave, or a combed and joined weave composed of natural fibers, synthetic fibers or combinations thereof. The body side liner 42 can be composed of a substantially hydrophobic material and the hydrophobic material can optionally be treated with a surfactant or else processed to promote a desired level of wettability and hydrophilicity.
    [0086] The absorbent structure can be arranged between the outer cover 40 and the body facing 42. The absorbent structure can be any structure or combination of components which are generally compressible, conformable, non-irritating to the user's skin, and capable of absorbing and retaining liquids and certain bodily waste. For example, the absorbent structure may include an absorbent weft material made of cellulosic fibers (for example, wood pulp fibers), other natural fibers, synthetic fibers, woven or non-woven sheets, knitted fabric or other stabilizing structures, superabsorbent material, binding materials, surfactants, selected hydrophobic materials, pigments, lotions, odor control agents or the like, as well as combinations of these. In a particular aspect, the absorbent weft material is a matrix of cellulosic material and superabsorbent hydrogel-forming particles. The cellulosic material may include a mixture of wood pulp. A preferred type of material is identified with the commercial specification of CR 1654, available from Bowater of Greenville, South Carolina, USA, and is a highly absorbent, bleached sulphate wood pulp containing mainly short wood fibers. Absorbent materials can be formed into a weft structure using various conventional methods and techniques. For example, the absorbent web may be formed with a dry forming technique, an air forming technique, a wet forming technique, a foaming technique, or the like, as well as combinations thereof. Methods and apparatus for carrying out such techniques are well known in the art. In addition, the absorbent structure itself can comprise multiple layers in the Z direction. These multiple layers can take advantage of differences in absorption capacity, for example, by placing a layer of lower capacity absorbent material closer to the coating 42 and a material higher capacity absorbent closer to the outer cover layer 40. Likewise, discrete portions of a single layer absorbent structure may comprise higher capacity absorbents, and other discrete portions of the structure may comprise lower capacity absorbers.
    [0087] As a general rule, the superabsorbent material is present in the absorbent web in an amount of about 0 to about 100 weight percent based on the total weight of the web. The weft can have a density within the range of about 0.10 to about 0.60 grams per cubic centimeter.
    [0088] Superabsorbent materials are well known in the art and can be selected from modified natural, synthetic, natural polymers and materials. Superabsorbent materials can be inorganic materials, such as silica gel, or organic compounds, such as cross-linked polymers. Typically, a superabsorbent material is capable of absorbing at least about 10 times its weight in liquid, and desirably is capable of absorbing more than about 25 times its weight in liquid. Suitable superabsorbent materials are readily available from several suppliers. For example, superabsorbent materials are available from Evonik Industries, Germany.
    [0089] After being formed or cut into a desired shape, the absorbent weft material can be rolled up or encompassed by a suitable fabric or fused and blown weft or a wrapper sheet that helps maintain the integrity and shape of the absorbent structure.
    [0090] The absorbent weft material can also be a co-formed material. The term "co-formed material" generally refers to composite materials that comprise a stabilized mixture or matrix of thermoplastic fibers and a second non-thermoplastic material. As an example, co-formed materials can be manufactured by a process in which at least one blown spray matrix is arranged close to a chute through which other materials are added to the web while it is forming. Such other materials may include, but are not limited to, fibrous organic materials such as cellulose pulp or non-cellulose such as cotton, rayon, recycled paper, pulp material and also superabsorbent particles, inorganic absorbent materials, treated polymeric fibers and the like. Any variety of synthetic polymers can be used as the melting and spinning component of the formed material. For example, in certain aspects, thermoplastic polymers can be used. Some examples of suitable thermoplastics that can be used include polyolefins, such as polyethylene, polypropylene, polybutylene and the like; polyamides; and polyesters. In one aspect, the thermoplastic polymer is polypropylene. Some examples of such co-formed materials are disclosed in U.S. Patent No. 4,100,324 to Anderson, et al. No. 5,284,703 to Everhart, et al .; and no. 5,350,624 by Georger, et al .; which are hereby incorporated by reference, insofar as they are compatible (that is, they are not in conflict) in this document.
    [0091] These and other modifications and variations of the present disclosure can be practiced by those with knowledge in the art, without departing from the spirit and scope of the present disclosure, which is more particularly defined in the attached claims. In addition, it should be understood that aspects of the various applications can be exchanged with each other, either in whole or in part. In addition, those skilled in the art will note that the foregoing description is for example only, and is not intended to limit the disclosure further described in the appended claims.
    权利要求:
    Claims (14)
    [0001]
    1. Electronic differentiating device comprising: a non-contact electronic sensor system (104), the non-contact electronic sensor system comprising a plurality of gas sensors, in which the non-contact electronic sensor system monitors gas concentration levels gases emitted by two or more volatile compounds within an absorbent article; and where each sensor in the system has the ability to identify a gas associated with certain substances; a controller (106) configured to receive information from the non-contact sensor system, the controller based on information received from the non-contact sensor system, being configured to determine whether an excretion of urine or bowel evacuation has been detected and in which the controller is further configured to differentiate between an excretion of urine only or an excretion containing bowel evacuation; and a signaling device (114) in communication with the controller, the signaling device that emits a first signal when the controller determines that an excretion containing intestinal evacuation is present within the absorbent article; characterized by the fact that the electronic contactless sensor system comprises a low power surveillance sensor, in which the surveillance sensor activates at least one sensor within the electronic contactless sensor system when a pre-defined limit level of concentration of gas is detected by the surveillance sensor for at least one gas being measured.
    [0002]
    2. Electronic differentiating device according to claim 1, characterized by the fact that it also comprises a housing unit (102).
    [0003]
    3. Electronic differentiating device according to claim 1, characterized by the fact that the electronic non-contact sensor system monitors the gas concentration levels of fatty alcohols, short-chain fatty acids, and sulfur compounds; optionally the electronic non-contact sensor system monitors the gas concentration levels associated with ammonia, thiols, and indole.
    [0004]
    4. Electronic differentiating device according to claim 1, characterized by the fact that the electronic non-contact sensor system monitors the gas concentration levels of a substance that emits gas, in which the substance that emits gas emits a gas after excretion inside the absorbent article.
    [0005]
    5. Electronic differentiating device according to claim 1, characterized by the fact that the electronic non-contact sensor system monitors changes in humidity and temperature within the absorbent article.
    [0006]
    6. Electronic differentiating device according to claim 1, characterized by the fact that the signaling device generates an alert selected from an auditory signal, a vibrating signal, a visual signal, or combinations thereof.
    [0007]
    7. Electronic differentiating device according to claim 6, characterized by the fact that the signaling device generates an alert that is transmitted wirelessly to a radio at a remote location.
    [0008]
    8. Electronic differentiating device according to claim 1, characterized by the fact that the signaling device generates an alert that is transmitted to at least one computer device or a smartphone, in which the computer or smartphone device is adapted to receive the data from the signaling device, generate at least one report that uses at least part of the data, and provides user access to the data and at least one report.
    [0009]
    9. Electronic differentiating device according to claim 6, characterized by the fact that the alert can be deactivated on or near the absorbent article or remotely.
    [0010]
    10. Electronic differentiating device according to claim 2, characterized in that the housing unit (102) is connected to an absorbent article (20) around the waist opening of the absorbent article, in which the electronic sensor system non-contact faces the inside of the absorbent article.
    [0011]
    11. Electronic differentiating device according to claim 1, characterized by the fact that the volatile compounds are acetic acid, ammonia, methane, hydrogen sulfide, dimethyl sulfide, eschatol, thiols, indole, or combinations thereof.
    [0012]
    12. Electronic differentiating device according to claim 1, characterized by the fact that the electronic non-contact sensor system monitors the gas concentration levels through normalization in ambient conditions, in which the controller detects any deviation in the concentration levels gas from predetermined values of the ambient condition recorded in the controller.
    [0013]
    13. Electronic differentiating device according to claim 1, characterized by the fact that a multicomponent data analyzer that differentiates between a urine excretion and an intestinal evacuation excretion.
    [0014]
    Electronic differentiating device according to claim 13, characterized in that the multi-component data analyzer is conditioned to differentiate between a urine excretion and an intestinal evacuation excretion by receiving known urine data and intestinal evacuation excretions at the same time. over time; optionally wherein the multi-component data analyzer classifies an excretion as a urine excretion or an intestinal evacuation excretion, comparing data from an excretion within the absorbent article with the excretion data known to be urine excretion or intestinal evacuation excretion.
    类似技术:
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    同族专利:
    公开号 | 公开日
    EP2771649A4|2015-07-01|
    CN103890550A|2014-06-25|
    RU2621649C2|2017-06-06|
    EP2771649A1|2014-09-03|
    AU2012328092B2|2015-10-15|
    CN103890550B|2017-07-07|
    WO2013061181A1|2013-05-02|
    US9119748B2|2015-09-01|
    AU2012328092A1|2014-04-10|
    KR20140084056A|2014-07-04|
    BR112014009668A2|2017-06-13|
    RU2014119899A|2015-12-10|
    MX338645B|2016-04-25|
    KR101997940B1|2019-07-08|
    MX2014004530A|2014-08-01|
    US20130110061A1|2013-05-02|
    EP2771649B1|2018-02-21|
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    法律状态:
    2019-05-14| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]|
    2019-12-24| B06U| Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]|
    2020-07-07| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|
    2020-11-03| B16A| Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 24/09/2012, OBSERVADAS AS CONDICOES LEGAIS. |
    优先权:
    申请号 | 申请日 | 专利标题
    US13/283,657|US9119748B2|2011-10-28|2011-10-28|Electronic discriminating device for body exudate detection|
    US13/283,657|2011-10-28|
    PCT/IB2012/055080|WO2013061181A1|2011-10-28|2012-09-24|Electronic discriminating device for body exudate detection|
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