• 专利附录
  • 专利说明
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    • 专利摘要:
    Disclosure of an absorbent product containing a set of non-contact electronic sensors that can indicate the presence of body fluid. In particular, the absorbent product includes at least one set of non-contact electronic sensors which may include one or more gas sensors, a controller and a signaling device. The signaling device is able to alert the user (the self or his caregiver) about the presence of urine or feces. In accordance with the present publication, various attachment mechanisms for securing the non-contact electronic sensor assembly, controller and signaling device to an absorbent product have been disclosed.
    公开号:BR112014008840B1
    申请号:R112014008840-3
    申请日:2012-09-24
    公开日:2021-05-11
    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:

    BACKGROUND
    [001] Absorbent products such as diapers, underwear/training panties, incontinence products, feminine hygiene products, bathing underwear, bed liners and the like, usually contain a permeable lining in contact with the body, a waterproof outer cover and an absorbent core. The absorbent core is usually located between the outer cover and the liner to retain the user's urine, faeces and other bodily fluids excreted by the user.
    [002] The absorbent core can be composed of, for example, superabsorbent particles. Many absorbent products, especially those sold under the Kimberly-Clark company name HUGGIES®, are so effective at absorbing liquids that it is sometimes difficult to tell if the absorbent product is wet with bodily fluids such as urine or feces.
    [003] Therefore, several types of indicators of moisture, presence of liquid or feces were suggested, to detect the presence of urine or feces inside the absorbent product. Indicators can include alarm devices designed to help parents or caregivers quickly identify when the diaper is wet or dirty. Devices produce visual or audible signals.
    [004] In some configurations, a moisture indicator was added to an absorbent product, to detect urine, and in other configurations, an odor sensor was added to detect the presence of feces. In these configurations, sensors composed of conductive materials have been incorporated into the absorbent product, where urine or excrement must come into contact with the sensors for the indicator to detect the presence of urine or feces. For example, conductive materials serve as the conductive terminals of a signaling device and form an open circuit in the product that can be closed when there is bodily fluid, such as urine. In these configurations, while absorbent products may be disposable, signaling devices are not. Thus, the signaling devices are intended to be removed from the product and reused in another product.
    [005] However, problems were encountered in designing an absorbent product that used conductive materials in which urine or feces made sufficient contact with such materials, closing the circuit. Problems were also faced by including conductive materials, such as metals, inside the absorbent producer, as these materials trigger metal detectors during the product shipping process. Furthermore, the use of conductive terminals does not allow absorbent product manufacturers to properly monitor their products for safety. For example, it can be difficult to assure consumers that the product does not contain metals or foreign objects other than the conductive terminals. Therefore, it is necessary that the absorbent product is capable of detecting both urine and feces without using conductive terminals.
    [006] Technological advances in absorbent products with the use of hydrophobic inner layers, allows urine to pass through the absorbent surface and not get in contact with the skin, even after multiple occurrences of body fluid. However, faeces cannot be completely absorbed by any of these layers, which means that prolonged contact with the skin is unavoidable. There is a great need for an electronic device that can detect fluids such as urine and faeces, both in products for infant users and in products for adult incontinence. Because many of the previous attempts to detect the presence of faeces were based on detecting moisture, they failed to distinguish urine from faeces. This fact could mislead the user, further burdening an already overworked caregiver. One of the challenges of marketed indicators is that they cannot distinguish feces, sweat and gas. A sensor that can distinguish between urine and faeces would allow the caregiver to react more quickly and change the pad containing faeces, preventing prolonged contact of body fluid with the child's skin, which could be harmful to the child's health. ABSTRACT
    [007] In general, this publication is directed to an improved absorbent product, which includes a set of non-contact electronic sensors, a controller and a signaling device that alerts the user when there is the presence of urine and/or feces. The signaling device, for example, can be configured so as to indicate to the user or caregiver when there is in the absorbent, the presence of bodily fluids of urine or feces. For example, in one configuration, the absorbent product will be a diaper or training briefs/panties, and the signaling device will be configured to indicate the presence of urine, feces, or both. In other configurations, however, the signaling device can be configured to indicate the presence of yeast or metabolites, depending on the type of absorbent product that is used in conjunction with the signaling device.
    [008] In one configuration, the absorbent product to which this article refers may include a protective unit configured for reuse. Thus, this article refers to an absorbent product with a simple and efficient way of attaching the protective unit to the product, so that the set of non-contact electronic sensors is close enough to the body fluid inside the absorbent, to detect gases and, at the same time, maintain communication with the controller and the signaling device.
    [009] In another configuration, the absorbent product may include a support. The support may further include an outer cover with an inner and an outer surface. There may be an absorbent structure adjacent to the inner surface of the outer covering. The support may also include a crotch region between the front and rear region. The front and back regions can define the waist opening and the two leg openings between these regions. However, the absorbent product can be a bed liner rather than a diaper or a training panty/underwear, with a crotch region and leg openings.
    [010] This article may also include a set of contactless electronic sensors. The non-contact electronic sensor array can encompass a variety of gas sensors. The set of sensors can monitor the concentration levels of gases emitted by two or more volatile compounds within the absorbent product.
    [011] In yet another configuration, a controller can be attached to the absorbent product. The controller can be configured to detect changes above a threshold, in the gas concentration level of a variety of gas sensors, within the non-contact electronic sensor array as a result of the presence of bodily fluid in the absorbent. Body fluid can be urine, feces, or both. the array of non-contact electronic sensors can monitor concentration levels of gases associated with ammonia, indoles and thiols such as mercaptan. The non-contact electronic sensor array can monitor other volatile compounds such as short chain fatty acids, acetic acid, methane, hydrogen sulfide, skatols or a combination of them. Gases can be measured in groups such as fatty alcohols (ethanol, propanol, octanol etc), short chain fatty acids (acetic acid, propanoic acid, etc) and sulfur compounds (dimethylsulfide, indole, thiols etc). In another configuration, the non-contact electronic sensor array can monitor changes in humidity and temperature within the absorbent product.
    [012] In yet another configuration, a signaling device can be attached to the absorbent article. The signaling device can alert the user to changes in gas concentration, temperature or humidity levels detected by the controller. The signaling device can issue an alert selected from an audible, vibrating or visual signal, or a combination of the three. The signaling device can issue an alert, which will be transmitted wirelessly to a radio at a remote location. In another configuration, the signaling device can issue an alert that will be broadcast to a computer or smartphone. The alert can be turned off on or near the product by the user or caregiver, or remotely. The computer or smartphone can be adapted to receive data from the signaling device, generate a report using at least a part of the data, and give the user or caregiver access to the data and the report.
    [013] In yet another configuration, the signaling device, the controller and the set of non-contact electronic sensors can be packaged in a protective unit, which can be attached to the absorbent product. The protective unit can be positioned close to the absorbent product so that the non-contact electronic sensor array can detect gases inside the product.
    [014] The absorbent product referred to in this publication may also contain a gas-emitting substance. The gas-emitting substance may release a gas after detecting bodily fluids within the absorbent product. And the set of non-contact electronic sensors can monitor the gas concentration levels of the gaseous substance within the absorbent.
    [015] In another configuration, an absorbent product may contain a support that has an outer covering with an inner surface and an outer surface. There may be an absorbent structure positioned adjacent to the inner surface of the outer covering. The support may also have a crotch region between the front and back region. The front and back regions can define one waist opening and the two leg openings between those regions.
    [016] This article may also include a controller that can be configured to detect changes above a threshold, in the level of gas concentration of a variety of gas sensors, within the set of non-contact electronic sensors, as a result of a body fluid present in the absorbent, as well as changes in temperature and humidity. Body fluid can be urine, feces, or both. In another configuration, the absorbent product may have a signaling device that alerts the user to changes in gas concentration, temperature and humidity levels detected by the controller. The signaling device can broadcast an alert wirelessly to a radio at a remote location, it can broadcast an alert broadcast to a computer or smartphone, or it can broadcast a combination of alerts. The alert can be turned off on or near the product by the user or caregiver, or remotely. The computer or smartphone can be adapted to receive data from the signaling device, generate a report using a part of the data, and give the user access to the data and a report. The signaling device may also emit an alert selected from the group containing an audible, vibrating or visual signal, or a combination of the three.
    [017] The absorbent article may also contain a protective unit for the set of non-contact electronic sensors, the controller and the signaling device.
    [018] The protective unit can be connected to an absorbent product at the waist opening or at the edge of the product, depending on whether the type of absorbent product used is a diaper, underwear/training panties or bed liner. For example, the protective unit can be positioned at the waist opening so that the non-contact electronic sensor array faces the inside of the absorbent product.
    [019] In another embodiment, this publication describes a signaling device that may include a set of contactless electronic sensors. The non-contact electronic sensor array can include a variety of gas sensors. The set of non-contact electronic sensors monitors the concentration levels of gases emitted by volatile compounds, a gas-emitting substance or their combination within the absorbent. The signaling device may include a controller configured to detect changes above a threshold in the gas concentration level of a variety of gas sensors within the non-contact electronic sensor array as a result of a bodily fluid present in the absorbent. Body fluid can be urine, feces, or both.
    [020] In addition, the signaling device can alert the user to changes in gas concentration levels detected by the set of non-contact electronic sensors. The signaling device can be packaged in a protective unit that is close to the absorbent article, in order to detect changes in gas concentration levels within the absorbent product after the appearance of body fluid.
    [021] The signaling device may also emit at least one of the alerts selected from audible, vibrating, visual or a combination of the three. The signaling device can transmit at least one of the alerts, or a combination of them, remotely to a radio, a computer, a smartphone, or a combination of them. The computer or smartphone can be adapted to receive data from the signaling device, generate a report using a part of the data, and give the user access to the data and a report. The alert can be turned off on the product, near the product, or remotely.
    [022] Other features and aspects of this publication are discussed in more detail below. BRIEF DESCRIPTION OF THE DRAWINGS
    [023] A complete and informative publication, including the best methods for those who are not experts in the field, are presented in greater detail in the specification, including references to the supplementary figures, where:
    [024] Figure 1 shows a perspective of a configuration of the present publication including a configuration of a protection unit with a set of non-contact electronic sensors, a controller and a signaling device.
    [025] Figure 2 is a block diagram of a configuration of a protection unit, which may contain a set of non-contact electronic sensors, a controller and a signaling device, which may be located in the opening of the waist of an absorbent , or near this location, or they may transmit a signal to a radio, a computer, a smartphone, or a visual indicator on or near the protection unit.
    [026] Figure 3 is a graph representing various outputs of the set of non-contact electronic sensors, which can be used to determine the presence of a body fluid of urine, feces or both in the absorbent.
    [027] Figure 4 is a block diagram showing how a configuration of a signaling device can transmit data to a computer or smartphone, which can then generate data reports for the user or caregiver to access.
    [028] Figure 5 is the configuration of a mechanism to attach a protection unit to an absorbent product, following the present publication.
    [029] Figure 6 is another configuration of a mechanism for attaching a signaling device to an absorbent product, following with the present publication. DETAILED DESCRIPTION
    [030] References will now be presented in detail on several examples of optional configurations and the accompanying drawings, with figures representing substantially identical structural elements. All examples are provided by way of explanation, not limitations. Indeed, it will be evident to experts in the field that modifications and variations can be made without departing from the scope or spirit of the publication and claims. For example, features illustrated or described as part of one configuration can be used in another configuration to generate a new configuration. Accordingly, it is intended that this publication will include modifications and variations within the scope of the appended claims and their equivalents.
    [031] The present publication, in general, is directed to an absorbent product that contains a signaling device, which can be configured to indicate the presence of a bodily fluid such as urine or feces in the absorbent, or other changes in the condition of the product or user, such as changes in temperature or humidity or the presence of a bad odour. The absorbent product can be, for example, a diaper, a panty/trainer, a feminine hygiene product, a medical garment, a bandage, a bed liner and the like. An absorbent product made following this publication may include a set of non-contact electronic sensors, a controller and a signaling device that may be within the protective unit and attach, for example, to the waist opening or close to it in a diaper. , a training underwear/panties or an incontinence product. The protective unit may also be attached to the edge of any absorbent product, such as a bed liner, as long as the protective unit is close enough to the absorbent to detect gases associated with a body fluid. Generally speaking, the absorbent product will be disposable, meaning that it is designed to be disposed of after a limited time of use, rather than being washed or restored for reuse.
    [032] The non-contact electronic sensor assembly may be attached to the absorbent product of this publication, although depending on the sensitivities of the sensors used in the sensor assembly, it may not be necessary to attach it to the absorbent product. In addition, the non-contact sensor array can be linked to a controller (a microprocessor such as a multi-component data analyzer) and a signaling device. The set of non-contact electronic sensors, controller and signaling device can be packaged in a single protection unit. The non-contact electronic sensor array may contain a variety of gas sensors where each sensor monitors the level of gas emitted by a substance within the absorbent. Gas may be emitted by a substance due to the presence of urine or feces in the absorbent product.
    [033] Urine may contain inorganic salts, urea, organic components, or organic ammonium salts divided into carbon, nitrogen, oxygen, hydrogen, and organic sulfur content. Feces may contain methane, dimethylsulfide, indole, skatole or short-chain fatty acids, among other components. Urine and feces can contain volatile compounds. These volatile compounds can be found within the absorbent product after the occurrence of a bodily fluid such as urine or feces. The non-contact electronic sensor array can consist of individual gas sensors, which separately monitor such volatile compounds (CVs) as short-chain fatty acids (acetic acid), ammonia, methane, hydrogen sulfide, dimethylsulfide, skatole and indole. As used herein, the term "volatile compound" includes both organic and inorganic metabolic gases and compounds produced by microorganisms present in excreta.
    [034] Certain VCs may be associated with one or more types of bodily fluids, including but not limited to urine and faeces. VCs commonly associated with urine include, for example, ammonia compounds (such as ammonium hydroxide), short-chain (C1-C2) acids (such as acetic acid), medium-length (C8-) aldehydes (such as nonanal). C10), ketones (such as methyl ethyl ketone), cresol (such as methylphenol), dimethyl disulfide, trimethylamine, limonene (such as 4-isopropenyl-1-methylcyclohexane), acetic acid, methyl benzoate, benzamide, benzaldehyde and triethylamine , between others. CVs commonly associated with faeces include, for example, skatol (such as 3-methyl-1H-indole, 3-methylindole, etc.), mercaptans (such as 2-mercaptoethanol), hydrogen sulfide, short chain fatty acids (such as tetradecanoic acid) , methanethiol (as 2-mercaptoethanol) and dimethylsulfide, among others. Some of the most common VCs in faeces are short-chain fatty acids, indoles, and dimethylsulfide. Other intestinal CVs include, but are not limited to, 4-methylphenol, valeric acid, 2- or 3-methylfuran, carbon disulfide, butanoic acid, acetic acid, 6-methyl-5-hepten-2-one, 2-pentanone 2 -butanone, 2,3-butanedione, acetaldehyde, acetone, 2-heptanone, propanal, hexanal and 3-methyl.
    [035] The absorbent product may also contain a substance that emits gases when urine and feces occur, and the set of non-contact electronic sensors may be composed of at least one sensor that monitors the gases emitted by this substance. An advantage of adding a gaseous substance is that the volume of gas produced immediately after the fluid occurs can be so high that the fluid will be detected more quickly than when only the gases associated with the fluid are present. The gases associated with urine or faeces may not be present in as high amounts as the gases associated with gaseous substances, which can make the detection of fluids more time-consuming.
    [036] For example, sodium bicarbonate or another substance that can emanate a gas, may be placed in the absorbent product during the manufacturing process, or at some point before the absorbent product is used by the consumer. The substances to be included in the absorbent product may come in the form of powders, particles, flakes, fibers, agglomerates, granules, spheres, tablets or lotions, and may or may not be encapsulated. The materials can be incorporated into the product itself such as the absorbent core or inserted into a material such as a tampon, which can be added to the absorbent product later. With the occurrence of urine or feces, sodium bicarbonate or another substance, such as a mixture of bicarbonate and powdered citric acid, can emit a gas and the set of non-contact electronic sensors can contain a sensor capable of monitoring the level of this gas . A microencapsulated film can be used within the absorbent product to emit a gas that will be detected by sensors present in the non-contact electronic sensor array. Water-soluble films such as polyvinyl alcohol and polysaccharide film, marketed by MonoSol, LLC of Merrillville, Indiana, can be used to encapsulate volatile substances such as flavorings or menthols. These encapsulated materials can be placed in the absorbent product and, when wet, the film will dissolve, releasing a volatile substance that will be detected by the set of non-contact electronic sensors. The processes by which the gaseous substance can be incorporated into the absorbent are described in US Patent Application 2011/0152806A1 published June 23, 2011 by Zhou, et al. In addition, the controller can be programmed to recognize a gas level of the substance that is above a threshold, indicating the presence of urine or faeces within the absorbent product. In another configuration, the non-contact gas sensor array can monitor the temperature and humidity inside the absorbent product. Sensors that monitor temperature and humidity can be used alone, in conjunction with each other, or with the other sensors used to monitor VCs.
    [037] A combination between the set of non-contact electronic sensors and the controller can be described as a set of sensors with varied specificities, to monitor the CVs present in a gas sample. A set of sensors, or perhaps a single device, can detect specific odors and then a controller such as a microprocessor identifies, through pattern recognition, specific odors within a sample. The gas sample comes into contact with the sensor array, where each sensor has the ability to identify a gas associated with a specific substance. More than one sensor can be grouped together so the controller can distinguish between multiple gases detected by multiple sensors. This may require a high level of independence between sensors and in the way they monitor a gas, due to cross-correlation and redundancy. Sensors can be conductivity, piezoelectric, optical, or metal oxide semiconductor (MOS) sensors. MOS sensors are commercially and widely used due to their high sensitivity to a wide range of compounds and gases. However, other types of sensors are also marketed, including but not limited to those mentioned above.
    [038] One of the ways of functioning of a sensor occurs when a sample of a certain gas comes in contact with a sensor designed to monitor that gas, and the sensor undergoes a physical or chemical change. This causes a change in an electrical signal, which can be detected by a controller. The controller can be preconditioned to recognize that certain patterns are associated with certain gases, being able to detect gases associated with urine and faeces or other substances present in the absorbent product.
    [039] Determining which sensor should be used in the non-contact electronic sensor assembly will depend on the gas to be detected. You can select specific sensors designed to measure the concentration levels of gases associated with certain CVs or other substances. These sensors can then be placed within the non-contact electronic sensor array so that more than one gas can be monitored at a time. The suitable material of a particular sensor that will be used to monitor a CV, other gas-emitting substance, temperature or humidity can easily be determined by one skilled in the art, in part based on this publication.
    [040] The controller can read the gas levels monitored by the sensors present in the set of non-contact electronic sensors, to analyze the data and identify the presence of urine, feces or other gas-emitting substance, as soon as they occur. It can also monitor changes in moisture and temperature of the absorbent product. The controller will initially be able to read the initial gas concentration levels, monitored or detected by the set of contactless electronic sensors. These levels can then be calibrated to set a null or zero value and thus monitor any change from these calibrated values. If there is any change in gas concentration levels, temperature or humidity bringing them above a certain threshold, the controller can trigger an alarm through a signaling device.
    [041] The signaling device can supply power to the controller in addition to emitting an audible, visible and/or vibrating signal, alerting the user to the presence of urine or feces. Any alerts issued by the signaling device can also be activated remotely or displayed on smartphones or computers. In another configuration, the alert can also be sent to a wireless radio. In yet another configuration, the alert can be sent to an indicator or a panel in the protective unit, or in another area near the absorbent product, so that the user is alerted to an occurrence of fluid. Alerts can be turned off remotely, nearby or at the signaling device itself. Because alerts can be visual, audible, vibrating, or sent remotely to a computer or smartphone, the caregiver can set the type of alarm based on the level of discretion desired. For example, if the caregiver is at home with the product user, it may be more appropriate to have an audible alert, whereas if the caregiver and user are in a public place, a remote alert sent to a smartphone or a silent alert such as a visual alert, perhaps more appropriate. Although the absorbent product is normally disposable, the signaling device can be reusable by changing only the absorbent. Therefore, this publication specifically refers to the array of non-contact electronic sensors, the controller, the signaling device and the attachment mechanisms that allow an easy connection between them and the absorbent. For example, the set of non-contact electronic sensors, the controller and the signaling device can all be packaged in a single protection unit, which will be attached to the waist opening of a diaper or underwear/training panties, or to the edge of an absorbent product such as a bed liner, by means of a clip or other device.
    [042] This protective unit can be connected to the opening of the waist of the absorbent product, or close to it, by means of a clip or any other device, where the set of non-contact electronic sensors faces the interior of the product pad. If the non-contact electronic sensor assembly is part of a configuration that includes a protective unit, there may be small holes in the unit so that the holes are exposed to the internal area of the absorbent product, allowing a sufficient amount of gas to reach the assembly. of non-contact electronic sensors. The protective unit may also be connected to the absorbent product by other means, as long as the non-contact electronic sensor array is close enough to the interior of the absorbent to detect the gases within it. For example, the protective unit can be attached or attached to the edge of a bedcover.
    [043] As described above, the set of non-contact electronic sensors, in conjunction with the signaling device, can be configured to indicate the presence of urine or feces within the absorbent product. However, the specific type of body fluid to be detected may vary depending on the particular type of use of the absorbent and its desired application. For example, in one configuration, the absorbent product will be a diaper, underwear/training panties or the like, and the signaling device will be configured to indicate the presence of urine. The signaling device may also be configured to indicate the presence of volatile compounds that would indicate the presence of solid or liquid stools. The signaling device can also be configured to indicate the presence of both urine and feces, which can be more solid or more liquid depending on the age, diet and other characteristics of the product user.
    [044] With respect to fig. 1 as an example, an absorbent article 20 made, hypothetically, following the present publication is shown. The absorbent product, 20 can be disposable or not. It is understood that the present publication is suitable for various other absorbent products intended for personal use, including but not limited to diapers, underwear/training panties, swimwear, feminine care products, incontinence products, medical apparel, absorbents and surgical bandages, bed liners, other personal and hospital care apparel, and similar items, without departing from the scope of this publication, although only absorbent products such as diapers, underwear/training underwear, or incontinence products are shown here.
    [045] For illustration only, various materials and methods of construction of products such as absorbers 20 of various types addressed by the present publication are described in patent application (PCT) WO 00/37009 published on June 29, 2000 by A. Fletcher et al; patent 4,940,464 issued to the U.S.A. on July 10, 1990 to Van Gompel et al; US patent 5,766,389 issued June 16, 1998 to Brandon et al., and US patent 6,645,190 issued November 11, 2003 to Olson et al., which are incorporated herein by reference to the extent in which they are consistent (that is, not in conflict) with it.
    [046] An absorbent product 20 is representatively illustrated in fig. 1 partially stuck. The absorbent product 20 defines two longitudinal end regions, termed herein the front region 22 and rear region 24, and a central region, termed here the crotch region 26, extending longitudinally between and interconnecting the front and rear regions 22, 24. The absorbent product 20 also defines an inner surface 28 adapted for use (e.g., positioned relative to the other components of the product 20) to be disposed facing the user, and an outer surface 30 opposite the inner surface. The front and back regions 22, 24 are the parts of the absorbent product 20 which, when worn, cover or encircle, wholly or partially, the wearer's waist or lower abdomen. The crotch region 26 is normally the portion of the absorbent product 20 which, when worn, is positioned between the legs covering the lower abdomen and the wearer's genitalia. The absorbent product 20 has two laterally opposite edges 36 and two longitudinally opposite waist edges, called respectively the front waist edge 38 and the back waist edge 39.
    [047] The illustrated absorbent product 20 includes a support 32 which, in this configuration, encompasses the front region 22, the back region 24 and the crotch region 26. Note, however, that absorbent products such as bed liners can also be used. With reference to fig. 1, support 32 includes an outer cover 40 and a side liner 42, which may be incorporated into outer cover 40 in an overlapping manner with adhesives, ultrasonic welding, thermal bonding, or other conventional techniques. With reference to fig. 1, liner 42 can be incorporated into outer cover 40 along the perimeter of support 32, forming a hem at the front and back of the waist. The liner 42 can be incorporated into the outer cover 40 forming two side hems in the front 22 and rear 24 regions. The liner 42 can normally be adapted, that is, positioned according to the other components of the product 20, so that it faces towards the user's skin while using the absorbent product. The support 32 may also include an absorbent structure between the outer cover 40 and the side liner 42 to absorb solid or liquid excrement eliminated by the user. It may also include two containment tabs 46 secured to the side liner 42 to prevent bodily fluids from leaking out the side.
    [048] Elastic containment flaps 46 as shown in fig. 1 defines a partially loose edge that assumes a vertical configuration in the crotch region 26 of the absorbent product 20 forming a seal against the wearer's body. The containment tabs 46 can be extended longitudinally along the entire length of the support 32 or only in part. Suitable constructions and adjustments to containment tab 46 are generally well known to those skilled in the art and are described in U.S. Patent 4,704,116 issued November 3, 1987 to Enloe, incorporated herein by reference.
    [049] In order to further improve the retention and/or absorption of bodily fluids, the absorbent product 20 may also include elastic leg items (not shown), as is known to those skilled in the art. The elastic leg items may be joined to the outer covering 40 and/or the side liner 42 and positioned in the crotch region 26 of the absorbent product 20.
    [050] Stretchy leg items can be made of any suitable stretchy material. As is known to those skilled in the art, suitable elastic materials include sheets, cords or tapes of natural rubber, synthetic rubber or thermoplastic elastomer polymers. Elastic materials can be stretched and adhered to a substrate, adhered to a concentrated substrate, or adhered to a substrate and then stretched or reduced, for example by applying heat, so that the elastic retraction forces are applied. to the substrate. In a particular instance, for example, the elastic leg items may contain a variety of dry-bonded, multifilament elastomeric elastomer yarns sold under the trade name LYCRA and available from Invista, Wilmington, Delaware, U.S.A.
    [051] In some configurations, the absorbent product 20 may further include a flow control layer (not shown) that may optionally be placed adjacent to the absorbent structure 44 and secured to various components in the product 20, such as the structure. absorbent 44 or the side liner 42 by methods known to those skilled in the art, such as by means of adhesives. A flow control layer helps to decelerate and spread out discharges or spurts of liquids or other waste that can be quickly introduced into the absorbent structure of the product. It is desirable that the flow control layer can quickly receive and temporarily retain liquid, or other waste, before releasing it to the storage or retention portions of the absorbent structure. There are examples of flow control layers described in U.S. Patent Nos. 5,486,166 and 5,490,846. There are other materials suitable for flow control described in U.S. Patent No. 5,820,973. All disclosures in these patents are hereby incorporated by reference to the extent that they are consistent (i.e., not in conflict) with the material presented herein.
    [052] As shown in fig. 1, the absorbent product 20 may further include two opposing side elastic panels 34 secured to the back portion of the holder 32. As specifically shown, the side panels 34 may be stretched around the waist and/or hips of the wearer to hold the garment in place. local. As shown in fig. 1, the elastic side panels are secured to the bracket along two opposing longitudinal edges 37. The side panels 34 can be attached or glued to the bracket 32 by any suitable fastening technique. For example, side panels 34 can be joined to the backing by adhesives, ultrasonic welding, thermal bonding, or other conventional techniques.
    [053] In an alternative configuration, the elastic side panels can also be fully formed with the support 32. For example, the side panels 34 can form an extension of the side liner 42, the outer cover 40, or both of the side liner 42 and the outer cover 40.
    [054] In the configurations shown in fig. 1, the side panels 34 are connected to the rear region of the absorbent product 20 and extend over the front region of the product by holding the product in place on the wearer's body. However, it is necessary to understand that the side panels 34 may alternatively be connected to the front region of the product 20 and extend to the rear region when the product is put on.
    [055] With the absorbent product 20 attached as partially illustrated in fig. 1, the elastic side panels 34 can be connected by a fastening system to define a three-dimensional diaper configuration, with one waist opening 50 and two leg openings 52. The opening at the waist 50 of the product 20 is defined by the edges of the waist 38 which 39 surrounds the user's waist.
    [056] In the configurations shown in fig. 1, the side panels are releasably secured to the front region 22 of the product 20 by the fastening system. It should be understood, however, that in other configurations the side panels may be permanently attached to the bracket 32 at both ends. The side panels can be permanently joined, for example, when forming a training panty or an absorbent swimsuit.
    [057] Each of the elastic side panels 34 has a longitudinal outer edge (not shown), a leg end edge 70 disposed toward the longitudinal center of the diaper 20, and with waist end edges 72 disposed toward the longitudinal end of the absorbent product. The leg end edges 70 of the absorbent article 20 may be suitably curved and/or angled to provide a better fit around the wearer's legs. However, it is understood that only one of the leg end edges 70 may be curved or angled, like the leg end edge of the hind region 24, or optionally, none of the leg end edges may be curved or arranged in a angle, without departing from the scope of this publication. Ultimately, side panels 34 are generally aligned with the waist region 90 of support 32.
    [058] The fastening system may contain laterally opposed first fastening components, 82 adapted for retightenable connection to corresponding second fastening components (not shown). In the configuration shown in the figures, the first fastening component 82 is located on the elastic side panels 34, while the second fastening component may be located in the front region 22 of the bracket 32. In one configuration, the front or outer surface of each of the Fastening components includes various connecting elements. The connecting elements of the first fastening components 82 are adapted to repeatedly connect and disconnect the connecting elements corresponding to the second fastening components to releasably maintain the product 20 in its three-dimensional configuration.
    [059] The fastening components can be any resealable fasteners suitable for absorbent products, such as adhesion, cohesion, mechanical fasteners or the like. In specific s, the fastening components include mechanical fasteners for better performance. Suitable mechanical elements for fastening can be formed from materials with geometric shapes such as hooks, bulbs, rings, mushrooms, arrowheads, balls on rods, male-female mating components, buckles, snaps and the like.
    [060] The first fastening components 82 can be fastening hooks and the second fastening components can be complementary fastening loops. Optionally, the first fastening components 82 can be fastening loops and the second components can be complementary fastening hooks. In another case, the fasteners may be elements by interlocking between similar surfaces, or fasteners by adhesion or cohesion, such as a fastener with adhesive and an adhesive-receptive contact area or material, or the like. A person skilled in the art will know that the shape, density and polymer composition of hooks and loops can be selected in order to obtain the desired level of connection between the fastening components. Suitable fastening systems are also described in the patent application incorporated into this PCT document WO 00/37009 published June 29, 2000 by A. Fletcher et al. and in the U.S. patent, incorporated hereinbefore, 6,645,190 issued November 11, 2003 to Olson et al.
    [061] In the configuration shown in the figures, the fastening components 82 are attached to the side panels 34 along the edges. In this configuration, the fastening members 82 are neither elastic nor expandable. In other configurations, however, the fasteners may be integrated with the side panels 34. For example, the fasteners may be directly attached to the side panels 34 at one of their surfaces.
    [062] In addition to being able to have elastic side panels, the absorbent product 20 can include various elastic waist components providing elasticity at its opening. For example, as illustrated in the figures, the absorbent product 20 may contain an elastic front waist feature 54 and/or an elastic back waist feature 56.
    [063] With reference to figs. 1 and 2, for exemplary purposes, a protective unit 102 containing, for example, a non-contact electronic sensor array 104, a controller 106, and a signaling device 110 is shown attached to the absorbent product 20. In this configuration, typically the signaling device 110 includes a transmitter 112 that communicates with a receiver 114. The receiver can be a radio, a computer, or a smartphone. Transmitter 112 can be packaged in protective unit 102 with non-contact electronic sensor assembly 104 and controller 106. When fluid is present in absorbent product 20, controller 106 will detect changes in gas levels monitored by the sensor assembly non-contact electronics 104 which, in turn, will activate the signaling device 110. In one configuration, the non-contact electronic sensor array may monitor gas levels through visible openings 108 in protection unit 102. In another configuration, the protection unit could perhaps be constructed of a porous material so that a sufficient amount of gas could penetrate into the protection unit, allowing the non-contact electronic sensor array to detect the presence of any gases.
    [064] In another configuration, transmitter 112 may send a wireless signal or alert to receiver 114, which will then indicate to the user that urine or faeces is present in the absorbent product. The signaling device 110 may emit an audible, visual or vibratory signal to warn the user that there is fluid in the absorbent. The sound signal, for example, can be as simple as one or several beeps or even a melody. Likewise, the visual signal emitted by the signaling device 110 may be a few lights or an interactive panel. Signs or alerts can be remotely deactivated, on the absorbent product itself or close to its opening. In another configuration, receiver 114 of signaling device 110 may be configured to vibrate when fluid is present in the product.
    [065] As described above, the signaling device 110 can be configured to indicate the presence of any excrement within the absorbent product 20. The excrement can be, for example, urine and/or feces of liquid consistency or not. In the configuration shown in figs. 1 and 2, the signaling device 110 contains a transmitter 112 combined with a receiver 114. It should also be understood, however, that the signaling device may be a single unit located in or close to the absorbent product 20. For example, the signaling device can be mounted on the absorbent product and emit a visual and/or audible signal on the product itself so that the user or another person, such as a caregiver, who is close enough, can be alerted to the presence of fluid. It should also be understood that data from the signaling device can be transmitted to a radio, a computer or a smartphone, via a wireless network or other means of communication.
    [066] In the configuration shown in figs. 2, the protective unit 102 attachable to the absorbent product contains a non-contact electronic sensor assembly 104, which could have a temperature sensor 96, a humidity sensor 98, a gas sensor 100, a controller 106 and a signaling device 110, which may include a transmitter 112 and a receiver 114. In addition, there may be apertures 108 in the signaling device that allow the non-contact electronic sensor array 104 to be exposed to a sample having sufficient gas to detect the presence of one or more gases. In another configuration, the gas sample can reach the non-contact electronic sensor array by passing through the protective unit made of porous material. And in another configuration of a protective unit, if the signal is being displayed to the user, the receiver will be present or close to the protective unit itself. However, if the signal is being sent to another user, such as a caregiver, via wireless signals such as a radio, a computer, or a smartphone, the transmitter can send a wireless signal to a receiver located at a distance from the transmitter and the signaling device. The signal can be deactivated remotely, on or near the absorbent product itself.
    [067] Fig. 3 shows the data that a configuration of a set of contactless electronic sensors can collect. The graph shows the gas concentrations monitored by a configuration of a set of non-contact electronic sensors. Output concentration levels vary whether the fluids are stool (labeled BM) or urine, as indicated by the different levels of gases present in each of the gas samples. Gas concentrations can be detected when they exceed a certain threshold, after each of the individual sensors, or set of sensors, have been calibrated and zeroed without the presence of bodily fluids. The graph illustrates the gas levels monitored by at least one sensor. It should be noted that it is possible to use more than one sensor within the non-contact electronic sensor array to detect urine and faeces fluids in a setting. It should be noted that gas concentrations depend on diet, amount of fluid and time. The sensors are capable of detecting gas concentrations from a few parts per million (PPM) to thousands of PPMs. It is the controller who decides whether or not the possible presence of fluid inside the absorbent is a false alarm. Gas sensors exist only to read concentration values. A processor inside the controller can, by analyzing the signal, determine if a reading taken by the controller really means the presence of fluid or if it is just a false alarm (flatulence, for example). For example, a gas concentration reading can be very high in flatulence, but it decreases in a very short period of time compared to gas concentration readings associated with fluids within the absorbent.
    [068] Fig. 4 is a block diagram that describes how a signaling device can connect to a computer or smartphone, which can generate data reports to be accessed by the user. In one configuration, after a set of non-contact electronic sensors has monitored at least one gas level, and a microcontroller has detected an increase above the threshold through pattern recognition and data analysis to indicate the presence of urine, stool or both, a signaling device can transmit an alert to a location near the absorbent product, such as near the waist opening or on the edge of a product, to inform the user or caregiver that it is nearby. In another setting, the user or caregiver may wish to receive an alert at a remote location via a wireless radio signal. And in yet another setting, the user or caregiver may want alerts sent to a computer or smartphone. When sent to a computer or smartphone, the alert can be visual or audible, or it can be stored as data along with other previous and future alerts. In this way, the user or caregiver can consult the information on the computer or smartphone to determine the number and type of fluids monitored within an absorbent product. The user or caregiver can view a report transmitted from the signaling device to a computer or smartphone and can access the report for various purposes.
    [069] Several fixing mechanisms of the protection unit, containing the set of non-contact electronic sensors, the controller and the signaling device, for the absorbent product, will now be described in detail with respect to figs. 5 and 6. It should be noted that although the clamping mechanisms shown in the figure below generally incorporate two plates or sides, the non-contact electronic sensor assembly 104 can be positioned in a configuration such that it is on a plate or on the side facing the inside of the absorbent product, so that it can detect gases from the presence of urine and/or feces.
    [070] With respect to fig. 5 illustrates a configuration of a securing mechanism that can be used to attach the shielding unit 102 to an absorbent product 20. In this configuration, the shielding unit 102 is formed by a first outer plate 130 spaced apart from a second inner plate 132 The first outer plate 130 must be placed on the outer or non-absorbent part of the product 20. In one configuration, the second inner plate 132 may be placed on the inner part of the absorbent product 20 so that gases emitted from the absorbent product 20 after the occurrence of fluids, they can reach the openings 108. When the gases reach the openings 108 of the protection unit 102, the set of non-contact electronic sensors 104 can monitor the gas concentration levels and then the controller 106 can detect any changes in gas concentration levels due to fluid occurrence. Also note that the non-contact electronic sensor assembly 104 can monitor changes in temperature and humidity that the controller 106 detects. Furthermore, one end of the outer plate 130 may be hingedly connected to one end of the second inner plate 132 by a hinge 134.
    [071] To attach the protective unit 102 to the absorbent product 20, the first outer plate 130 includes two rods that function as the first 116 and second 118 terminals. As shown in the drawing, plates 130 and 132 of protective unit 102 are configured to be positioned over one of the edges of the holder, as close to the waist opening, and brought together so that rods 116 and 118 pierce the holder and secure it. o in place. Note, however, that boards can also be placed over the edge of an absorbent product, such as a bedding.
    [072] With respect to fig. 6 illustrates another configuration of a shielding unit 102 connected to an absorbent product 20. In this configuration, the shielding unit 102 may contain a clip-shaped device formed by a first outer plate 130 spaced apart from a second inner plate 132. plates 130 and 132 are part of each other and are made of a flexible material, which allows the plates to be moved apart so that the signaling device rests on an edge of the absorbent product. However, once placed in the absorbent product, the plates are joined together to hold the signaling device in place. Thus, the protective unit 102 will have a structure similar to a paper clip. Thus, the protective unit 102 can be securely positioned on the absorbent product. Note that the plates shown have been attached to the waist opening of the absorbent product, but they can also be placed on the edge of a product such as a bed liner.
    [073] In one configuration, placing the second inner plate 132 on the inside of the absorbent product 20 will allow the gases emitted from the absorbent product 20, after the occurrence of fluid, to reach the openings 108 in the protective unit 102. When the gases reach the At ports 108, the non-contact electronic sensor assembly 104 can monitor the gas concentration levels, and then the controller 106 can detect any changes in the gas concentration levels caused by the occurrence of fluid.
    [074] In the configurations illustrated in figs. 5 and 6, the protective unit 102 can be made of any suitable material. For example, in one configuration, the protective unit can be made using a flexible plastic material. It is important to know, however, that elastomeric and metallic materials can also be used. In addition, at least one piece of the protective unit can be made of porous or mesh-like material to allow the non-contact electronic sensor array to receive a sufficient sample of gas to allow it to monitor levels above the threshold.
    [075] As described above, the present publication is particularly directed towards the incorporation of a body fluid indication system, which is capable of detecting the presence of urine and/or feces in the absorbent product 20. The other materials used to form the product absorbent 20 surrounding the elastic hip components 54 and 56 may vary depending on the application and the product being produced.
    [076] The outer cover 40, for example, can be breathable and/or be waterproof. The outer covering 40 can be formed by a single layer, by several layers, by laminates, thermowelded continuous filament fabrics, films, fabrics made by the meltblown process, elastic networks, microporous weaves, carded fibers, or foams formed by elastomeric materials or polymeric. The outer covering 40, for example, can be a single layer of impermeable material, or optionally, a multi-layer laminated structure with at least one of the impermeable layers. In other configurations, however, it must be understood that the outer covering may be permeable. In this configuration, for example, the absorbent product may contain an inner layer forming a barrier against liquids.
    [077] For example, the outer covering 40 may contain a permeable outer layer and an impermeable inner layer, properly joined by a laminated adhesive, ultrasonic welding, thermal bonding or other similar processes. Suitable laminated adhesives, which can be applied continuously or intermittently as granules, spray, parallel spirals, and the like, can be obtained from Bostik Findley Adhesives, Inc., of Wauwatosa, Wisconsin, USA, or from the National Starch and Chemical Company , Bridgewater, New Jersey, USA The permeable outer layer can be made of any suitable material and preferably should provide a fabric-like texture. An example of this material is a 20 g/m2 (grams per square meter) thermowelded continuous filament polypropylene nonwoven web. The outer layer can also be made from the same materials used in the permeable liner 42.
    [078] The inner layer of the outer shell 40 may be impermeable to liquids and vapours, or impervious to liquids and permeable to vapours. The inner layer can be made of a thin plastic film, although other flexible liquid permeable materials can also be used. The inner layer, or the liquid-impermeable outer cover 40 when it is a single layer, prevents waste materials from wetting sheets and clothing, as well as the user and caregiver. A suitable impermeable film to be used as a liquid impermeable inner layer, or as a liquid impermeable single layer outer covering 40, is the 0.02 millimeter polyethylene film, marketed by Pliant Corporation of Schaumburg, Illinois, U.S.A.
    [079] Side Lining 42 is moldable, soft and does not irritate the wearer's skin. The side liner 42 is also sufficiently liquid permeable to allow liquid body fluids to rapidly penetrate the absorbent structure (not shown). A suitable side liner 42 can be manufactured using a wide variety of web materials such as porous foams, reticulated foams, perforated plastic films, woven and non-woven webs, or a combination of such materials. For example, the side lining 42 may include wefts made by the meltblown process, wefts of thermowelded continuous filaments, or a carded yarn composed of natural, synthetic fibers or a combination thereof. The side liner 42 can be composed of a highly hydrophobic material, which can optionally be treated with a surfactant, or processed to impart the desired level of wettability and hydrophilicity.
    [080] The absorbent structure can be placed between the outer cover 40 and the side liner 42. The absorbent structure can be any structure or a combination of components generally compressible, adaptable, non-irritating to the user's skin, and capable of absorbing and retaining liquids and certain bodily wastes. For example, the absorbent structure may include absorbent webs of cellulose fibers (e.g. wood pulp fibers), other natural fibers, synthetic fibers, woven or non-woven sheets, cotton fabrics or other stabilizing structures, superabsorbent materials, materials fixatives, surfactants, selected hydrophobic materials, pigments, lotions, odor control agents or the like, as well as a combination of these materials. In a specific case, the absorbent web material is an assemblage of cellulosic fluff and superabsorbent hydrogel-forming particles. The cellulosic fluff may include a combination of wood pulp fluff. A preferred type of fluff is identified with the trade name CR 1654, available from Bowater of Greenville, South Carolina, U.S.A. It is a highly absorbent, bleached sulfate wood pulp containing primarily southern softwood fibers. Absorbent materials can be formed into a web structure employing various conventional methods and techniques. For example, the absorbent web can be formed through dry, air, moisture, foam, and the like forming techniques, as well as a combination of these techniques. Methods and apparatus for performing such techniques are well known to those skilled in the art. In addition, the absorbent structure itself may involve multiple layers in the Z direction. The multiple layers may be advantageous in taking advantage of differences in absorbent capacity by placing a layer of a material of lower absorbent capacity next to the liner 42 and a material of higher absorbent capacity closer to outer cover layer 40. Similarly, discrete portions of a single-layer absorbent structure may involve higher capacity and lower capacity absorbents.
    [081] As a general rule, the superabsorbent material is present in the absorbent web in an amount from 0 to approximately 100 percent weight based on the total weight of the web. The web can have an approximate density between 0.10 and 0.60 grams per cubic centimeter.
    [082] Superabsorbent materials are known in the field and can be chosen from natural, synthetic and modified natural materials and polymers. Superabsorbent materials can be inorganic such as silica gels, or organic compounds such as crosslinked polymers. Typically, a superabsorbent material can absorb at least about 10 times its weight in liquid and preferably should absorb more than 25 times its weight in liquid. There are suitable superabsorbent materials available for prompt delivery from a variety of suppliers. For example, Evonik Industries, Germany markets superabsorbent materials.
    [083] After being formed or cut to the desired size, the absorbent web material can be wrapped or wrapped by a suitable fabric, a fabric made by the meltblown process or the like, or by packaging that helps maintain integrity and shape. of the absorbent structure.
    [084] The absorbent web material can also be a high performance absorbent material (coform). The term "coform material" generally refers to composite materials consisting of a mixture or a stabilized assembly of thermoplastic fibers and a second non-thermoplastic material. As an example, it is possible to manufacture high performance absorbent materials (coform) by a process in which at least one meltblown head is disposed close to a trough through which other materials are added to the web as it forms. Such other materials may include, but are not limited to, but are not limited to, fibrous organic materials such as woody or non-woody pulp, for example cotton, rayon, recycled paper, pulp fluff and also superabsorbent particles, inorganic absorbent materials, treated polymeric fibers and similar. Any one of a variety of synthetic polymers can be used as the fusing component of the high performance absorbent material (coform). For example, in certain cases, thermoplastic polymers can be used. Some examples of suitable thermoplastics that can be used are polyolefins such as polyethylene, polypropylene, polybutylene and the like, polyamides and polyesters. In one case, the thermoplastic polymer is polypropylene. Some examples of such high performance absorbent (coform) materials are disclosed in U.S. Patent Nos. 4,100,324 to Anderson, et al.; 5,284,703 to Everhart, et al.; and 5,350,624 for Georger, et al.; which have been incorporated into this document to the extent that they are consistent with (ie, not in conflict) with it.
    [085] These and other modifications and variations to this publication may be made by the least expert in the field, without departing from the spirit and scope of this publication, which is presented in greater detail in the appended claims. Also, it is necessary to understand that the s of the various configurations can be switched in whole or in parts. Furthermore, those of ordinary skill in the field should note that the above description is for illustration only, and is not intended to limit the publication described so broadly in the appended claims.
    权利要求:
    Claims (18)
    [0001]
    1. An absorbent product (20), comprising: a holder (32) with an outer cover (40) having an inner surface (28) and an outer surface (30), and an absorbent structure positioned adjacent the inner surface of the cover. external (40); a non-contact electronic sensor assembly (104), the non-contact electronic sensor assembly (104) containing a plurality of gas sensors (100), wherein the non-contact electronic sensor assembly (104) monitors the concentration levels of gases emitted by two or more volatile compounds within the absorbent article (20), wherein each sensor (100) in the non-contact electronic sensor assembly (104) identifies a particular gas; a controller (106) configured to detect changes above a threshold in the gas concentration levels of the plurality of gas sensors (100) within the non-contact electronic sensor assembly (104) as a result of the presence of fluids within the absorbent product (20), where there is urine, feces or both; characterized by the fact that it also comprises a signaling device (110) that alerts the user about changes in gas concentration levels detected by the controller (106) through an alert and distinguishes between urine and feces, in which the alert is disabled on or near the absorbent product (20) or remotely by a computer or smartphone.
    [0002]
    2. Absorbent product (20) according to claim 1, characterized in that it further comprises a protective unit (102) with a set of non-contact electronic sensors (104), the controller (106) and the signaling device (110 ).
    [0003]
    3. Absorbent product (20) according to claim 2, characterized in that the protective unit (102) is close to the support (32) of the product (20), in which the set of non-contact electronic sensors (104) detects the presence of gases in or around the absorbent product (20) after the occurrence of urine, feces or both.
    [0004]
    4. Absorbent product (20) according to claim 1, characterized in that the set of non-contact electronic sensors (104) monitors the concentration levels of fatty alcohol gases, short chain fatty acids and sulfur components.
    [0005]
    5. Absorbent product (20) according to claim 1, characterized in that the set of non-contact electronic sensors (104) monitors the concentration levels of gases associated with ammonia to thiols and indoles.
    [0006]
    6. Absorbent product (20) according to claim 1, characterized in that it comprises a gas-emitting substance that emits a gas after the occurrence of body fluid inside the absorbent (20), and in which the set of electronic sensors without contact (104) monitors the gas concentration levels of the gaseous substance within the absorbent product (20).
    [0007]
    7. Absorbent product (20) according to claim 1, characterized in that the set of non-contact electronic sensors (104) monitors changes in humidity and temperature within the absorbent product (20).
    [0008]
    8. Absorbent product (20) according to claim 1, characterized in that the alert is selected from a sound, vibratory or visual signal, or a combination of them.
    [0009]
    9. Absorbent product (20) according to claim 8, characterized in that the signaling device (110) generates an alert that is transmitted wirelessly to a radio at a remote location.
    [0010]
    10. Absorbent product (20) according to claim 1, characterized in that the signaling device (110) issues an alert that is transmitted to at least one computer or a smartphone, adapted to receive data from the signaling device (110), and which generate at least one report using at least a portion of the data and giving the user access to the data and at least one report.
    [0011]
    11. Absorbent product (20) according to claim 1, characterized in that the volatile compounds are acetic acid, ammonia, methane, hydrogen sulfide, dimethylsulfide, skatols, thiols, indoles or a combination thereof.
    [0012]
    12. Absorbent product (20), comprising: a holder (32) with an outer cover (40) having an inner (28) and an outer (30) surface, and an absorbent structure positioned adjacent the inner surface of the outer cover. (40); a gas-emitting substance that emits a gas upon the occurrence of fluids within the absorbent product (20); a non-contact electronic sensor assembly (104), the non-contact electronic sensor assembly (104) containing a plurality of gas sensors (100), wherein the non-contact electronic sensor assembly (104) monitors the concentration levels of gases of the gaseous substance within the absorbent product (20), wherein each sensor in the non-contact electronic sensor assembly (104) identifies a particular gas; a controller (106) configured to detect changes above a threshold in the gas concentration levels of a plurality of gas sensors (100) within the non-contact electronic sensor assembly (104) as a result of the presence of fluids within the product absorbent (20), where there is urine, feces or both; characterized by the fact that it also comprises a signaling device (110) that alerts the user about changes in gas concentration levels detected by the controller (106) through an alert and distinguishes between urine and feces, in which the alert is disabled on or near the absorbent product or removed by a computer or smartphone.
    [0013]
    13. Absorbent product (20) according to claim 12, characterized in that it further comprises a protective unit (102) in which is the set of non-contact electronic sensors (104), the controller (106) and a signaling device (110).
    [0014]
    14. Absorbent product (20) according to claim 13, characterized in that the protective unit (102) is close to the support (32) of the product (20), in which the set of non-contact electronic sensors (104) detects the presence of gases in or around the absorbent product (20).
    [0015]
    15. Absorbent product (20) according to claim 12, characterized in that the signaling device (110) generates an alert selected from a group consisting of sound, vibratory or visual signals, and a combination of them.
    [0016]
    16. Absorbent product (20) according to claim 15, characterized in that the signaling device (110) generates an alert that is transmitted wirelessly to a radio at a remote location.
    [0017]
    17. Absorbent product (20) according to claim 12, characterized in that the signaling device generates an alert that is transmitted to at least one computer or a smartphone, adapted to receive data from the signaling device (110) , and that generate at least one report using at least a part of the data and giving access to the data and at least one report.
    [0018]
    18. Signaling device (110), comprising: a non-contact electronic sensor assembly (104), the non-contact electronic sensor assembly (104) containing a plurality of gas sensors (100), wherein the non-contact electronic sensor assembly contact (104) monitors the concentration levels of gases emitted by volatile compounds, a gas-emitting substance or a combination of them within the absorbent product (20), where each sensor (100) in the non-contact electronic sensor assembly ( 104) identifies a particular gas; and a controller (106) configured to detect changes above a threshold in the gas concentration levels of the plurality of gas sensors (100) within the non-contact electronic sensor assembly (104) as a result of the presence of fluids within the product. absorbent (20), where there is urine, feces or both; wherein the signaling device (110) alerts the user to changes in gas concentration levels detected by the set of non-contact electronic sensors (104); wherein the signaling device (110) is packaged in a protective unit (102) close to the absorbent product (20); characterized by the fact that the signaling device (110) generates at least one type of alert, selected from sound, vibratory, visual signals or a combination of them and distinguishes between urine and feces; wherein the signaling device (110) transmits at least an alert remotely to a radio, a computer, a smartphone or a combination thereof, wherein the computer or smartphone is adapted to receive the data emitted by the signaling device (110 ) and generate a report with at least a part of the data and provide the user with access to the data and at least one report; and wherein the at least one alert can be disabled on the product (20), next to it, or remotely on the absorbent product (20) from a smartphone or computer.
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    同族专利:
    公开号 | 公开日
    AU2012328090B2|2016-09-22|
    US20130110063A1|2013-05-02|
    CN103987351A|2014-08-13|
    US8933292B2|2015-01-13|
    WO2013061179A1|2013-05-02|
    RU2014119895A|2015-12-10|
    EP2770967A1|2014-09-03|
    CO6940386A2|2014-05-09|
    AU2012328090A1|2014-04-10|
    KR101998901B1|2019-07-10|
    KR20140084060A|2014-07-04|
    EP2770967A4|2015-06-24|
    EP2770967B1|2020-05-06|
    BR112014008840A2|2017-04-25|
    RU2614331C2|2017-03-24|
    CN109893346A|2019-06-18|
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    法律状态:
    2018-12-11| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]|
    2019-10-15| B06U| Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]|
    2020-10-06| B06A| Patent application procedure suspended [chapter 6.1 patent gazette]|
    2021-03-30| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|
    2021-05-11| 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
    US13/283,651|US8933292B2|2011-10-28|2011-10-28|Absorbent article with sensor array for body exudate detection|
    US13/283,651|2011-10-28|
    PCT/IB2012/055074|WO2013061179A1|2011-10-28|2012-09-24|Absorbent article with sensor array for body exudate detection|
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