• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The device (10) for holding a vein of a user in position comprises: at least two branches separated by a gap having a width greater than the dimension of the vein and a means (110) for positioning of the branches around the vein. In embodiments, the device which is the subject of the present invention comprises: means (115) for heating at least one branch and means (120) for controlling the heating means. In embodiments, the device that is the subject of the present invention comprises means (125) for cooling at least one branch and control means being configured to actuate the cooling means.
    公开号:FR3019725A1
    申请号:FR1401964
    申请日:2014-09-03
    公开日:2015-10-16
    发明作者:Aliaume Breteau；Adrien Balp；Pauline Guyot；Arnaud Navarro；Maxime Sabouret
    申请人:Agece Ecole Centrale D Electronique；
    IPC主号:
    专利说明:

    [0001] TECHNICAL FIELD OF THE INVENTION The present invention relates to a device for holding a vein of a user in position and a device for puncturing or injecting into a vein of a user. It applies, in particular, to blood punctures, blood injections and catheterization.
    [0002] STATE OF THE ART In the hospital environment, blood tests and catheterization are very repetitive and extremely time-consuming procedures for medical personnel. Mobilizing a large proportion of the medical profession, errors and injuries due to this type of intervention are frequent and represent an additional financial burden for the hospital. Indeed, every day, millions of bites are made worldwide. Each year, millions of injuries are attributed to uninvolved stings and it is estimated that 55% of errors are not reported. Many practitioners also injure themselves with the needles and are infected by the germs of the patient leading in some cases serious medical complications. In addition, the risk for a healthcare professional of being contaminated by a patient suffering from a disease such as HIV, for example, reinforces the danger related to the care of these patients. In addition, current systems do not reduce the fear of a patient for a needle nor the pain caused by the insertion of this needle.
    [0003] OBJECT OF THE INVENTION The present invention aims to remedy all or part of these disadvantages. For this purpose, according to a first aspect, the present invention aims a device for maintaining a vein of a user in position, which comprises: at least two branches separated by a gap of a width greater than the dimension of the vein and means for positioning the branches around the vein. With these provisions, a vein to which medical treatment must be performed is held in position by the branches of the device. In embodiments, the device that is the subject of the present invention comprises: a means for heating at least one branch and a means for controlling the heating means. These embodiments have the advantage of allowing dilation of the vein at which a right treatment is performed. In embodiments, the device which is the subject of the present invention comprises means for cooling at least one branch, the control means being configured to actuate the cooling means after the actuation of the heating means. The advantage of these embodiments is that they make it possible, thanks to the use of a Peltier effect, to anesthetize an area of the user's body around the vein at which treatment is to be performed. The sensation of cold passing through the nervous system faster than the sensation of pain, the user feels the cold instead of the sensation of pain. In embodiments, the device which is the subject of the present invention comprises an ultraviolet light emission means in the direction of the user's vein. These embodiments have the advantage of sterilizing the skin around the vein as well as any medical equipment around this area. In embodiments, the device that is the subject of the present invention comprises a means for disinfecting the skin covering the vein of the user. The advantage of these embodiments is that they prevent the user from risking infection during a medical procedure performed on the vein to be treated. In embodiments, the positioning means includes a means for pinching the vein by the branches.
    [0004] These embodiments have the advantage of allowing the vein to be held in position and to increase the area of contact between the limbs and the skin of the user. According to a second aspect, the present invention is directed to a device for puncturing or injecting into a vein of a user, which comprises: a device according to one of the claims for maintaining a vein of a user in the object position of the present invention and an opaque housing having an opening for receiving an arm of the user.
    [0005] Thanks to these provisions, the view of a treatment performed in the vein of the user is hidden from this user so as to avoid the user to feel the fear, for example. In embodiments, the device that is the subject of the present invention comprises: an infrared image capture means of the arm received in the housing, a means for detecting a vein in the detected image, a means of transmission of a location of the vein detected, the positioning means of the branches around the vein being controlled according to the location of the vein.
    [0006] These embodiments make it possible to automatically position the branches. In embodiments, the device which is the subject of the present invention comprises: a needle and means for positioning an end of the needle in the detected vein, between the branches. The advantage of these embodiments is that they allow insertion of the needle into the vein detected so as to perform treatment on the vein. In embodiments, the device which is the subject of the present invention comprises: an ultrasound transmission means and a means of capturing an image as a function of the ultrasound emitted, the positioning means positioning the needle as a function of the captured image.
    [0007] These embodiments have the advantage of not being sensitive to heat emission from a branch that can interfere in the detection of the vein. In embodiments, the device which is the subject of the present invention comprises a means of permutation between a needle having made a puncture and / or an injection and another needle. The advantage of these embodiments is that they make it possible to automate the needle change occurring between two treatments performed by the device. In embodiments, the device that is the subject of the present invention comprises means for holding the arm of the user in the housing.
    [0008] These embodiments have the advantage of reducing the risk of injury that may result from an unexpected withdrawal of the arm of the user. In embodiments, the holding means includes a tourniquet automatically contracting around the user's arm and a handle for receiving the user's closed hand.
    [0009] The advantage of these embodiments is to allow a maintenance of the two-point arm whose stability is improved. In embodiments, the device that is the subject of the present invention comprises: a means for drawing blood from the vein in which the needle is positioned and a removable reservoir for receiving the aspirated blood. These embodiments have the advantage of making it possible to automate a puncture type treatment performed in the vein. In embodiments, the device that is the subject of the present invention comprises: means for accessing a profile of the user, means for identifying the reservoir with a data item of the user's profile. The advantage of these embodiments is to make it possible to identify a reservoir according to the data of the user profile. BRIEF DESCRIPTION OF THE FIGURES Other particular advantages, aims and characteristics of the invention will emerge from the following nonlimiting description of at least one particular embodiment of the device for maintaining a vein of a user in position and of the puncture device or injection into a vein of a user objects of the present invention, with reference to the accompanying drawings, in which: Figure 1 shows schematically and in section, a particular embodiment of the holding device object of FIG. 2 schematically and in section shows a particular embodiment of the puncture or injection device which is the subject of the present invention, and FIG. 3 is a diagrammatic and sectional diagram of a particular step logic diagram of the present invention. process object of the present invention. DESCRIPTION OF EXAMPLES OF EMBODIMENT OF THE INVENTION The present description is given in a non-limiting manner. FIG. 1, which is not to scale, shows a sectional view of an embodiment of the device 10 for holding a vein of a user in a position which is the subject of the present invention. This device 10 comprises: at least two branches 105 separated by a gap of a width greater than the dimension of the vein and a means 110 for positioning the branches 105 around the vein comprising a means 135 for pinching the vein by the branches 105, a means 115 for heating at least one branch 105, a means 125 for cooling at least one branch 105, a means 120 for controlling the heating means 115 and the means 125 for cooling, a means 125 for emitting ultraviolet light towards the vein of the user and a means 130 for disinfecting the skin covering the vein of the user. The two branches 105 are, for example, parallel metal slats separated by a gap of a centimeter wide. These slats can be any type of rigid material, such as plastic, ceramic or glass, for example.
    [0010] In preferred variants, each branch 105 is configured to achieve a Peltier effect. These branches 105 then comprise two faces, electro-insulating ceramic for example, separated by semiconductors acting as contacts between two electrical conductors each positioned at a face. In variants, some semiconductors are doped P-type and other semiconductors are doped N. The application of a current in one of the electrical conductors causes a heat emission by one of faces and heat absorption by the other side. In these variants, any type of existing Peltier cell known to those skilled in the art can be used.
    [0011] These branches 105 are positioned by the positioning means 110. This positioning means 110 is, for example, an arm configured to move in translation along three axes a means of rotation of the branches 105. This means of rotation of the branches 105 comprises means position lock so that the legs 105 are constrained in motion once the positioning is done. This means of rotation of the branches 105 is associated with a pinch means 135 of the vein by the branches 105. This pinch means 135 is, for example, a motor configured to bring the branches 105 to one another to pinch the skin of a user. The positioning means 110 may be motorized or not. In variants, the positioning means 110 is mounted on a foot and articulated so that a user positions the positioning means 110 by moving in the space of a head comprising the branches 105. The heating means 115 is, for example, an assembly formed by two faces of similar orientation of the branches 105. These two faces are, for example, similar faces of Peltier cells as described above. These two faces are configured to emit together or independently of the heat. The cooling means 125 is, for example, an assembly formed by the two other faces of the branches 105. These other two faces have similar orientations. These two faces are, for example, similar faces of Peltier cells as described above. These two faces are configured to absorb jointly or independently of the heat.
    [0012] In variants, the device 10 comprises means for rotating the branches 105 so as to heat a portion of the skin of a user first around the vein to be treated and then to cool the same part. The actuation of the heating means 115 and the cooling means 125 is controlled by the control means 120. This control means 120 is, for example, a printed circuit comprising a microcontroller. This microcontroller is configured to control the transmission of an electric current to each Peltier cell. The control means 120 is configured to actuate the cooling means 125 after the operation of the heating means 115. In variants, the control means 120 is controlled by the actuation of a button of the device 10 by a user. The means 125 for emitting ultraviolet light is, for example, one or a plurality of ultraviolet lamps. Each lamp is configured to be operated by a microcontroller of the printed circuit. The actuation of each lamp can be automatic and performed when the positioning means 110 is locked. In variants, each lamp is actuated by the actuation of a button of the device 10 by a user. The disinfection means 130 is, for example, a spray of a disinfecting liquid. In variants, this disinfection means 130 is a brush connected to a motorized arm configured to perform a friction of the user's arm by the brush. This motorized arm is actuated, for example, by a microcontroller of the printed circuit. FIG. 2, which is not to scale, shows a sectional view of an embodiment of the puncture or injection device in a vein of a user object of the present invention. . This device 20 comprises: a device 10 for holding a vein of a user in position, an opaque casing 205 comprising an opening 210 for receiving a user's arm, a means 215 for capturing an infrared image of the arm received in the housing 205, a means 220 for detecting a vein in the detected image, a means 225 for transmitting a location of the vein detected, the means 110 for positioning the limbs 105 around the vein being controlled by depending on the location of the vein, a needle 230, a means 235 for positioning a tip of the needle in the detected vein, between the limbs 105, a means 240 for transmitting ultrasound, a means 245 for capturing an image according to the ultrasound emitted, a means 250 for permutation between a needle 230 having made a puncture and / or an injection and another needle, means 255 for holding the user's arm in the housing which comprises: a tourniquet 260 is cont automatically snapping around the user's arm and a handle 265 to receive the user's closed hand; A blood suction means 270 from the vein in which the needle 230 is positioned, a removable reservoir 275 for receiving the aspirated blood. means 280 for accessing a user profile and means 285 for identifying the reservoir 275 with user profile data. The device 10 is similar to the device 10 described in Figure 1. This device 10 is positioned in an opaque housing 205. This housing 205 is, for example, a structure in the form of a half-rotation cylinder comprising on one of the flat faces an opening 210. This opening 210 is configured to receive a user's arm 25 and can be of any geometric shape. . In order to move the positioning means 110 of the device 10, the device 10 is fixed to two rails longitudinally passing through the housing 205. These rails each comprise a rack along which the device 10 moves. A second rack, oriented along an axis orthogonal to the two longitudinal rails, makes it possible to position the device 10 along a transverse axis of the casing 205. A third rack oriented along a vertical axis and orthogonal to the two other axes of the first and second racks makes it possible to position the device 10 in height. The positioning of the device 10 can be achieved through the use of a set of stepper motors. In variants, the positioning of the device 10 is achieved by a robotic arm having two joints.
    [0013] The infrared image capture means 215 of the arm received in the housing 205 is, for example, an infrared camera configured to capture an image in the infrared spectrum. This capture means 215 is positioned on the mobile device and directed towards the user's arm. In variants, the capture means 215 is positioned on a module moving along the longitudinal racks w. In these variants the device 10 can be stationary along said racks and positioned at the end of the longitudinal rails. The detection means 220 of a vein in the detected image is, for example, a computer program embedded in a component of the printed circuit of the device 10. This component is connected to the capture means 215 so that the captured image is transferred to the detection means 220. This computer program determines by image processing, for example by detection of contours, the positioning of the veins along the arm of the user. This detection means 220 selects a vein from the veins detected as a function of the width of the vein detected. Preferably, the widest vein 20 is selected. The ultrasound transmission means 240 is, for example, an ultrasound emitter positioned near the device 10 and configured to emit ultrasound towards the user's arm. This transmission means 240 receives an ultrasound emission command transmitted by a component of the electronic circuit of the device 10. This command is issued once a vein has been detected by the detection means 220. capture 245 of an image according to the ultrasound emitted is, for example, an ultrasound sensor. This ultrasonic sensor makes it possible in particular to detect the depth of a vein detected by the detection means 220. If the detected depth is greater than a predetermined limit value, the detection means 220 selects another vein and the emission means 240 ultrasound and again implemented.
    [0014] In variants, the transmission means 240 and the capture means 245 are replaced by an ultrasound emitting means in the needle 230 and a sensor of the resonant frequency of the needle 230 as a function of the signal d emitted ultrasound. In the air, the needle has a resonant frequency of its own which varies slightly upon insertion of said needle into the skin of the user. When the needle enters a vein, the resonant frequency varies abruptly, indicating to the device that a vein has been pierced. In variants, any type of ultrasound imaging device device may be used. In variants, the device 20 comprises a means for detecting the penetration of the needle 230 into a vein. This detection means is, for example, a piezoelectric crystal configured to emit an electrical signal as a function of a longitudinal position variation of the spontaneous needle 230 of small amplitude, this variation corresponding to the breakthrough of a wall of the vein by the needle 230.
    [0015] In variants, the device 20 comprises means for detecting the depth of a detected vein. This detection means detects the depth of a vein by traversing the arm of the user by a relief sensor. Relief imagery, combined with infrared imaging, allows selection of the user's vein.
    [0016] The positioning means 110 of the branches 105 around the vein is, for example, the positioning means 110 of the device 10 described in FIG. 1. This positioning means 110 is controlled by a microcontroller of the device 10. This microcontroller is configured to position the positioning means 110 as a function of the location of the detected vein. The device 10 is positioned so that the branches 105 pinch the skin at the level of the vein detected. In variants, the device 20 comprises means for verifying the retention of the vein. This verification means is a component of the electronic circuit of the device 10 configured to control the capture means 215 and the detection means 220 to perform a new detection of the vein. If the vein detected is not maintained, the positioning of the branches 105 is performed again. The device 20 comprises a needle 230. This needle 230 is, for example, positioned in a needle holder 230 secured to the positioning means 110. This needle 230 is, in variants, parallel to the arms 105 and initially retracted between the branches . When an insertion of the needle 230 into the skin of the user is performed, the needle 230 is pushed so as to exceed the plane formed by the two branches 105.
    [0017] This insertion of the needle 230 is performed by the positioning means 235. This positioning means 235 is, for example, a motor configured to move the needle 230 in translation. In variants, the needle 230 is configured to produce puncture, injection or catheterization.
    [0018] The means 250 for permutation between a needle 230 having made a puncture and / or an injection and another needle is, for example, a needle dispenser. The dispenser has a sterile needle reservoir and a cavity for passing a single needle at a time. Each needle inserted into the cavity is held by a needle holder. When a used needle is released by the device 10 into a used needle reservoir, a needle holder is threadably assembled in the device 10 to replace the previous needle holder. This permutation means 250 is positioned, for example, at one end of the housing 205 opposite the opening 210. The holding means 255 of the user arm in the housing 205 is, for example, a component of the electronic circuit of the device 10 configured to actuate a contraction of the tourniquet 260. This tourniquet 260 is, for example, a pneumatic tourniquet surrounding the opening 210 is configured to be inflated upon receipt of a command issued by the holding means 255. In variants , this tourniquet 260 is a wire stretched by the actuation of a motor causing a reduction of the perimeter of the wire around the arm. The holding means 255 further includes a handle 265 for receiving the user's closed hand. This handle 265 is positioned, for example, at one end of the housing 205 opposite to the opening 210.
    [0019] The blood suction means 270 from the vein in which the needle 230 is positioned is, for example, a pump configured to draw blood from the vein to a removable reservoir 275 for receiving the aspirated blood. This reservoir 275 is, for example, a plastic bag.
    [0020] The means 280 for accessing a user profile is, for example, a network card configured to connect to an Internet or intranet type data network and, depending on a user identifier entered by a user. extracting user data from a database. This user data can be, for example, a surname, first name, age, sex, blood type. The identification means 285 of the reservoir 275 with user profile data is, for example, an electronic circuit configured to input the extracted data into an NFC chip associated with the reservoir. In variants, this identification means 285 is a printer configured to print data extracted on a self-adhesive label stuck to the reservoir 275. The device 20 comprises, in variants, a security button configured to cause withdrawal of the needle. 230 and a shutdown of the device 20. In Figure 3, which is not to scale, is seen a sectional view of an embodiment of the method object of the present invention. This method comprises: a step 305 for holding a user's arm in the device 20, a step 310 for disinfecting the skin covering the vein, a sterilization step 315 for the skin, a detection step 320 a vein, a positioning step 325 of the vein-holding device, a skin cooling step 330, a needle-insertion step 335 in a user's vein, a detection step 340 depth of penetration depth of the needle into the vein, a step of performing a treatment 345 to the vein and a retraction step of the needle 350 of the vein. The holding step 305 is performed, for example, by the implementation of a tourniquet and a handle as described in Figure 2. When the user has positioned an arm inside the housing of the device 20 as described in Figure 2 and caught the handle, the tourniquet is actuated. This tourniquet surrounds the arm of the user at the opening of the housing.
    [0021] The disinfection step 310 is carried out, for example, by the implementation of a disinfection means as described in FIG. 2. Once the tourniquet is actuated, the disinfection means disinfects the skin of the arm of the user. The sterilization step 315 is carried out, for example, by the implementation of a means for emitting ultraviolet light as described in FIG. 1. Once the disinfection means has disinfected the arm of the ultraviolet light is emitted so as to sterilize the internal environment of the device housing 20. The detection step 320 is performed, for example, by the use of the infrared image capture means and the means of detection. detection as described in Figure 2. During this step, a vein is detected by contour detection and then selected according to the detected width of the vein. In variants, the use of ultrasound imaging detection makes it possible to detect the depth of the vein.
    [0022] The positioning step 325 is performed, for example, by the implementation of a positioning means as described in FIG. 1. The positioning means positions the branches of the device so as to surround a vein detected by the user. . In variants, a heating step is performed, for example, by the implementation of a heating means as described in FIG. 1. This heating means warms the skin of the user's arm. The cooling step 330 is performed, for example, by a cooling means as described in FIG. 1. During this step, the user's arm is cooled by the cooling means. The insertion step 335 of the needle is performed by actuating a motor to move the needle through a vein of the user. The detection step 340 of a penetration depth is performed, for example, by ultrasound detection emitted in the needle varying according to the position of the needle. In air, the needle has its own resonant frequency which varies slightly upon insertion of said needle into the skin of the user. When the needle enters a vein, the resonant frequency varies abruptly, indicating to the device that a vein has been pierced. In variants, any type of ultrasound imaging device device may be used.
    [0023] The step of performing a treatment 345 is performed, for example, by a needle as described in Figure 2. This treatment may correspond to a puncture, an injection or the introduction of a catheter. The retraction step 350 is carried out, for example, by using the positioning means as described in FIG. 1. Once the treatment has been performed, the needle is removed from the user's vein.
    权利要求:
    Claims (15)
    [0001]
    REVENDICATIONS1. Device (10) for holding a vein of a user in position, characterized in that it comprises: at least two branches (105) separated by a gap of a width greater than the dimension of the vein and a means (110) positioning the branches around the vein.
    [0002]
    2. Device (10) according to claim 1, which comprises: - means (115) for heating at least one branch (105) and - means (120) for controlling the heating means.
    [0003]
    3. Device (10) according to one of claims 1 or 2, which comprises means (125) for cooling at least one branch (105) and means (120) for controlling 15 being configured to actuate the means of cooling.
    [0004]
    4. Device (10) according to one of claims 1 to 3, which comprises means (125) for transmitting ultraviolet light towards the vein of the user. 20
    [0005]
    5. Device (10) according to one of claims 1 to 4, which comprises means (130) of disinfection of the skin covering the vein of the user.
    [0006]
    6. Device (10) according to one of claims 1 to 5, wherein the means (110) for positioning comprises means (135) for pinching the vein by the branches (105).
    [0007]
    7. Device (20) for puncturing or injecting into a vein of a user, characterized in that it comprises: - a device (10) according to one of claims 1 to 6 and 30 - a housing (205 ) opaque having an opening (210) for receiving an arm of the user.
    [0008]
    8. Device (20) according to claim 7, which comprises: means (215) for infrared image capture of the arm received in the housing (205), means (220) for detecting a vein in the image detected, means (225) for transmitting a location of the vein detected, the means (110) for positioning the branches (105) around the vein being controlled according to the location of the vein.
    [0009]
    9. Device (20) according to claim 8, which comprises: a needle (230) and means (235) for positioning an end of the needle in the vein detected between the branches (105).
    [0010]
    The device (20) of claim 9 which comprises: ultrasound emission means (240) and image pickup means (245) as a function of the ultrasound transmitted, the positioning means (235) positioning the needle according to the captured image.
    [0011]
    11. Device (20) according to one of claims 9 or 10, which comprises means (250) for switching between a needle (230) having made a puncture and / or injection and another needle.
    [0012]
    12. Device (20) according to one of claims 7 to 11, which comprises means (255) for holding the arm of the user in the housing. 25
    [0013]
    The device (20) according to claim 12, wherein the holding means (255) comprises a tourniquet (260) automatically contracting around the user's arm and a handle (265) for receiving the closed hand of the user. user. 30
    [0014]
    14. Device (20) according to one of claims 7 to 13, which comprises: means (270) for drawing blood from the vein in which the needle (230) is positioned and a reservoir (275) removable to receive the aspirated blood.
    [0015]
    15. Device (20) according to claim 14, which comprises: means (280) for accessing a profile of the user, means (285) for identifying the reservoir (275) with data of the profile s of the user.
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    同族专利:
    公开号 | 公开日
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    US20170035335A1|2017-02-09|
    FR3019725B1|2018-11-16|
    CN106456076B|2020-06-16|
    FR3019724A1|2015-10-16|
    EP3151758A1|2017-04-12|
    WO2015158978A1|2015-10-22|
    US10555696B2|2020-02-11|
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    CN106456076A|2017-02-22|
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    法律状态:
    2015-08-07| PLFP| Fee payment|Year of fee payment: 2 |
    2016-09-03| PLFP| Fee payment|Year of fee payment: 3 |
    2017-08-21| PLFP| Fee payment|Year of fee payment: 4 |
    2017-10-13| TP| Transmission of property|Owner name: BEE HEALTHCARE, FR Effective date: 20170912 |
    2018-09-05| PLFP| Fee payment|Year of fee payment: 5 |
    2019-09-10| PLFP| Fee payment|Year of fee payment: 6 |
    2020-09-14| PLFP| Fee payment|Year of fee payment: 7 |
    2021-09-16| PLFP| Fee payment|Year of fee payment: 8 |
    优先权:
    申请号 | 申请日 | 专利标题
    FR1400893|2014-04-14|
    FR1400893A|FR3019724A1|2014-04-14|2014-04-14|DEVICE FOR MAINTAINING A VEIN OF A USER IN POSITION AND DEVICE FOR PUNCTURING OR INJECTING IN A VEIN OF A USER|
    FR1401964A|FR3019725B1|2014-04-14|2014-09-03|DEVICE FOR MAINTAINING A VEIN OF A USER IN POSITION AND DEVICE FOR PUNCTURING OR INJECTING IN A VEIN OF A USER|FR1401964A| FR3019725B1|2014-04-14|2014-09-03|DEVICE FOR MAINTAINING A VEIN OF A USER IN POSITION AND DEVICE FOR PUNCTURING OR INJECTING IN A VEIN OF A USER|
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