WO2023092907A1 - 用于经皮植入传感器的助针器及医疗装置 - Google Patents

用于经皮植入传感器的助针器及医疗装置 Download PDF

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Publication number
WO2023092907A1
WO2023092907A1 PCT/CN2022/081737 CN2022081737W WO2023092907A1 WO 2023092907 A1 WO2023092907 A1 WO 2023092907A1 CN 2022081737 W CN2022081737 W CN 2022081737W WO 2023092907 A1 WO2023092907 A1 WO 2023092907A1
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WIPO (PCT)
Prior art keywords
needle
housing
elastic
sensor
proximal end
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PCT/CN2022/081737
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English (en)
French (fr)
Inventor
刘文杰
陈勋
郝轩
傅向阳
裘丹
Original Assignee
上海微创生命科技有限公司
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Publication of WO2023092907A1 publication Critical patent/WO2023092907A1/zh

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
    • A61B5/14503—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue invasive, e.g. introduced into the body by a catheter or needle or using implanted sensors
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
    • A61B5/14532—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue for measuring glucose, e.g. by tissue impedance measurement
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6846—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive
    • A61B5/6847—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive mounted on an invasive device
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change

Definitions

  • the invention relates to the technical field of medical devices, in particular to a needle aid and a medical device for percutaneous implantation of sensors.
  • the principle of CGM is to monitor the glucose concentration of the subcutaneous interstitial fluid through a glucose sensor, and a monitoring technology that indirectly reflects the blood glucose concentration level can continuously provide blood glucose concentration information throughout the day, understand the trend of blood glucose concentration fluctuations, and give Doctors provide a very effective judgment basis for the diagnosis and treatment of the target object.
  • the existing CGM product structure is quite complicated, the cost is high, and the user's use steps are cumbersome, and the experience for the user is poor.
  • the object of the present invention is to provide a needle aid and a medical device for percutaneously implanting sensors, which can solve the problems of complex structures and high costs of the existing needle aids.
  • the present invention provides a needle aid for percutaneous implantation of sensors
  • the needle aid includes a first housing and a needle insertion assembly, the needle insertion assembly is arranged on the first housing
  • the needle insertion assembly includes a needle holder and a second housing, the needle holder is used to fix the implant needle, and the distal end of the second housing
  • the end is provided with a first mount for releasably accommodating the needle holder, and the proximal end of the second housing is used for detachable connection with the sensor assembly;
  • the first mount is connected with a The first elastic member axially arranged on the first shell, the distal end of the first elastic member is connected with the needle holder, the proximal end of the first elastic member is connected with the proximal end of the first mounting seat
  • the ends are connected;
  • the first installation seat includes a plurality of elastic claws, and a first accommodating space for accommodating the needle holder and the first
  • the first elastic member is in a compressed state, so that the needle holder can be accommodated in the first mount Inside; after the needle insertion assembly is close to the proximal end of the first housing, under the action of the first elastic member, the needle holder can be released from the first mounting seat and move toward the The position of the distal end of the first casing moves.
  • the first mounting seat further includes a base, the plurality of elastic claws are extended along the axial direction of the base toward the distal end of the first housing, the base and the The first accommodating space can be formed between the elastic claws; before the needle insertion assembly approaches the proximal end of the first housing, the distal end of the elastic claws can be aligned with the needle holder. The distal ends are abutted to fix the needle holder in the first accommodating space; after the needle insertion assembly is close to the proximal end of the first housing, the first elastic member Under action, the distal end of the elastic claw can be separated from the needle holder, so that the needle holder can be released from the first mounting seat and move towards the distal end of the first housing. The location moves.
  • the inside of the first housing is provided with a second elastic member along its axial direction, the distal end of the second elastic member is connected with the distal end of the first housing, and the second elastic member is The proximal end of the elastic member is connected to the second housing; before triggering the pressing part, the second elastic member is in a compressed state; after triggering the pressing part, under the action of the second elastic member , the second housing can move toward the position where the proximal end of the first housing is located.
  • the far end of the second housing is provided with a number of bridges
  • the inner wall of the first housing is provided with a bridge matching the bridges, and the bridges are close to The position of the pressing part; before triggering the pressing part, the bonding piece is overlapped on the bonding platform; after triggering the pressing part, the bonding part can be separated from the bonding platform .
  • the second housing is provided with a chute passing through the proximal end and the distal end of the second housing along the axial direction of the first housing, and the inner wall of the first housing is provided with As for the slide rail matched with the sliding groove, the proximal end of the slide rail is provided with a limit piece.
  • the pressing portion includes a main body and first cantilevers arranged on both sides of the main body, the first cantilever extends outward along the main body, the first cantilever and the first cantilever
  • the inner wall of the housing is connected, and the first housing is provided with a first mounting hole corresponding to the main body, the main body is installed in the first mounting hole, and the main body can be mounted on the
  • the first installation hole reciprocates, the first cantilever is arranged in an arc shape, the side of the first cantilever away from the main body is provided with a second installation hole, and the inner wall of the first housing is provided with a
  • the second mounting hole matches the mounting post.
  • the needle holder includes a fixing seat and a plurality of guiding posts extending along the axial direction of the fixing seat toward the proximal end of the first housing, and a gap between the fixing seat and the guiding posts
  • a second accommodating space for accommodating the first elastic member is formed, the proximal end of the fixing seat is provided with an opening, and the inside of the fixing seat is provided with a connecting portion arranged along its axial direction, and the implanted
  • the distal end of the needle is provided with several first clamping parts, and the connecting part is provided with a first clamping groove matched with the first clamping parts.
  • the distal end of the implant needle is provided with a plurality of second cantilevers, the second cantilever extends outward along the axial direction of the implant needle, and the first locking part is arranged on the second cantilever. on the distal end of the cantilever.
  • an anti-slip structure is provided on the outer wall of the first housing; the anti-slip structure includes one or more of ribs, bumps, pits or textures arranged on the first housing. kind.
  • the present invention also provides a medical device, including a sensor assembly and the above-mentioned needle aid, the sensor assembly includes a connected sensor and a transmitter, when the sensor is implanted percutaneously After the target object is subcutaneous, the transmitter can receive the detection result of the sensor and send the detection result.
  • the sensor assembly further includes a base on which the sensor and the transmitter are mounted, and a second housing for releasably accommodating the base is provided at the proximal end of the second housing.
  • a mounting base, the base is detachably connected to the second mounting base.
  • a plurality of second card slots are provided on the outer periphery of the base, and a second card connection portion matched with the second card slots is provided on the inner wall of the second mounting seat.
  • the proximal end of the base is provided with a contact surface extending outward along its circumference for contacting the skin of the target object, and an adhesive sticker is provided on the contact surface.
  • the medical device further includes a protective cover, the sensor assembly and the needle insertion assembly are enclosed in the space formed by the first casing and the protective cover, and the protective cover is detachable Installed on the proximal end of the first casing, the far end of the protective cover is provided with a release film matched with the sticker.
  • the base is provided with a through hole for the implant needle to pass through
  • the proximal end of the sensor is provided with pins, and the pins pass out to the outside of the through hole
  • the The implant needle is provided with a groove for wrapping the pin along its axial direction.
  • the sensor assembly is provided with a through hole for the implantation needle of the needle aid to pass through, and an elastic contact switch is provided in the through hole, when the needle holder is accommodated in the When the needle holder is in the first mounting seat, the elastic contact switch is in the off state, and when the needle holder is released from the first mounting seat and moves to a position close to the distal end of the first housing, The elastic contact switch is in a conduction state.
  • the elastic contact switch includes a pair of opposite conductive members, at least one of the two conductive members has elasticity, and the implant needle includes a needle handle and a needle body that are connected, and the needle handle
  • the material is an insulating material, and when the needle holder is accommodated in the first installation seat, one of the conductive parts is in contact with one side of the needle handle, and the other conductive part is in contact with the needle handle.
  • the other side of the handle is abutted so that the elastic contact switch is in the off state, when the needle holder is released from the first mount and moved to a position close to the distal end of the first housing At this time, the two conductive members can contact each other, so that the elastic contact switch is in a conducting state.
  • the elastic conductive member includes a connection plate, an expansion member and a contact terminal, the expansion member is fixed on the connection plate, and the contact terminal is connected to an end of the expansion member away from the connection plate Under the action of the telescopic piece, the contact terminal can move toward a position away from the connecting plate until it contacts another conductive piece, so that the elastic contact switch conducts.
  • the telescopic member includes a hollow sleeve and a third elastic member disposed inside the sleeve, the sleeve is fixed on the connecting plate, one end of the third elastic member is connected to the sleeve The other end of the third elastic member is connected to the contact terminal.
  • the telescopic piece and the contact terminal are of an integrated structure, wherein the telescopic piece is an elastic piece arranged obliquely, and the contact terminal is formed by bending an end of the telescopic piece away from the connecting plate .
  • the medical device further includes a sterilization box, and the sensor assembly and the needle aid are sterilized and installed in the sterilization box.
  • the present invention also provides a medical device, including a sensor assembly and a needle aid, the sensor assembly includes a sensor and a transmitter; the sensor assembly is provided with a through hole, the sensor The proximal end is provided with pins, and the pins go out to the through hole; the needle aid includes a first housing and a needle insertion assembly arranged inside the first housing, and the needle insertion assembly uses
  • the needle insertion assembly includes an implant needle for passing through the through hole, and the implant needle is provided with a groove along its axial direction for wrapping at least a part of the pin , the implant needle automatically rebounds into the first casing after the pin is percutaneously implanted under the skin of the target object; an elastic contact switch is also provided in the through hole, when the implant needle returns When springing into the first housing, the elastic contact switch changes from the off state to the on state, so that the transmitter can receive the detection result of the sensor and send the detection result.
  • the needle insertion assembly includes a needle holder and a second housing, the needle holder is used to fix the implant needle; the distal end of the second housing is provided for releasably accommodating the The first mount of the needle holder, the proximal end of the second housing is used for detachable connection with the sensor assembly, when the pin is percutaneously implanted under the skin of the target object, the needle remains The device can be released from the first installation seat and move toward the position of the distal end of the first shell, so that the implant needle can automatically rebound into the first shell instantaneously.
  • the elastic contact switch includes a pair of opposite conductive members, at least one of the two conductive members has elasticity, and the implant needle includes a needle handle and a needle body that are connected, and the needle handle
  • the material is an insulating material, and when the needle holder is accommodated in the first installation seat, one of the conductive parts is in contact with one side of the needle handle, and the other conductive part is in contact with the needle handle.
  • the other side of the handle is abutted so that the elastic contact switch is in the off state, when the needle holder is released from the first mount and moved to a position close to the distal end of the first housing At this time, the two conductive members can contact each other, so that the elastic contact switch is in a conducting state.
  • the elastic conductive member includes a connection plate, an expansion member and a contact terminal, the expansion member is fixed on the connection plate, and the contact terminal is connected to an end of the expansion member away from the connection plate Under the action of the telescopic piece, the contact terminal can move toward a position away from the connecting plate until it contacts another conductive piece, so that the elastic contact switch conducts.
  • the telescopic member includes a hollow sleeve and a third elastic member disposed inside the sleeve, the sleeve is fixed on the connecting plate, one end of the third elastic member is connected to the sleeve The other end of the third elastic member is connected to the contact terminal.
  • the connecting plate includes a connected first plate body and a second plate body, the first plate body is arranged along the radial direction of the through hole, and the second plate body is arranged along the axis of the through hole Arranged in the opposite direction, the telescopic element is mounted on a side of the second board away from the first board.
  • the telescopic piece and the contact terminal are of an integrated structure, wherein the telescopic piece is an elastic piece arranged obliquely, and the contact terminal is formed by bending an end of the telescopic piece away from the connecting plate .
  • the proximal end of the sensor assembly is provided with a contact surface extending outward along its circumference for contacting the skin of the target object, and an adhesive sticker is provided on the contact surface.
  • the medical device further includes a protective cover, the sensor assembly and the needle insertion assembly are enclosed in the space formed by the first casing and the protective cover, and the protective cover is detachable Installed on the proximal end of the first casing, the far end of the protective cover is provided with a release film matched with the sticker.
  • the medical device further includes a sterilization box, and the sensor assembly and the needle aid are sterilized and installed in the sterilization box.
  • the needle aid and medical device for percutaneously implanting sensors have the following advantages: since the needle aid provided by the present invention includes a first housing and a needle insertion assembly, the needle aid The needle assembly is arranged inside the first housing and is used to carry the sensor assembly including the sensor; the needle insertion assembly includes a needle holder and a second housing, and the needle holder is used to fix the implant needle , the distal end of the second housing is provided with a first mount for releasably accommodating the needle holder, and the proximal end of the second housing is used for detachable connection with the sensor assembly; The first mounting base is connected with a first elastic member axially arranged along the first housing, the distal end of the first elastic member is connected with the needle holder, and the proximal end of the first elastic member It is connected with the proximal end of the first mount; the first mount includes a plurality of elastic claws, and a plurality of elastic claws can be formed between the plurality
  • the needle insertion assembly can be moved from a position away from the proximal end of the first housing to a position close to the proximal end of the first housing, so that the carrying The sensor assembly with the sensor is delivered to the skin surface of the target object, and the sensor is implanted percutaneously under the skin of the target object to detect parameters such as blood sugar concentration in the blood of the target object.
  • the holding member can be in contact with the elastic claw so that the distal end of the elastic claw can be separated from the needle holder, so that the needle holder can automatically move towards the needle holder instantly under the action of the resilience of the first elastic member.
  • the position of the distal end of the first casing is moved, so that the implant needle can instantly rebound into the first casing following the needle holder, effectively avoiding accidental injury of the operator or other personnel by the sharp implant needle.
  • the needle aid provided by the present invention not only has simple structure and low cost, but also is more convenient to operate. Since the medical device provided by the present invention includes the above-mentioned needle aid and thus has all the advantages of the above-mentioned medical device, it will not be repeated here.
  • Fig. 1 is a schematic diagram of the overall structure of a needle aid in an embodiment of the present invention.
  • Fig. 2 is a cross-sectional view of the medical device before triggering the pressing part in one embodiment of the present invention.
  • Fig. 3 is a cross-sectional view of the needle aid after completing the needle return action in one embodiment of the present invention.
  • Fig. 4 is a schematic structural view of the needle insertion assembly before needle return in an embodiment of the present invention.
  • Fig. 5 is a schematic perspective view of the three-dimensional structure of the needle aid after the needle return action is completed in one embodiment of the present invention.
  • Fig. 6 is a schematic diagram of a first housing in an embodiment of the present invention.
  • Fig. 7 is a schematic structural diagram of a pressing part in an embodiment of the present invention.
  • Fig. 8 is a schematic structural view of the needle holder in one embodiment of the present invention.
  • Fig. 9 is a schematic structural view of the implant needle in one embodiment of the present invention.
  • FIG. 10 is a schematic perspective view of the three-dimensional structure of the sensor assembly in an embodiment of the present invention.
  • FIG. 11 is a cross-sectional view of a sensor assembly in an embodiment of the present invention.
  • Fig. 12 is a schematic diagram of the second housing and the sensor assembly separated from each other in an embodiment of the present invention.
  • Fig. 13 is a schematic diagram of the connection relationship between the sensor assembly and the implant needle in one embodiment of the present invention.
  • FIG. 14 is a cross-sectional view of FIG. 13 .
  • Fig. 15 is a schematic diagram of the elastic contact switch in an off state according to an embodiment of the present invention.
  • Fig. 16 is a schematic structural diagram of an elastic conductive member in an embodiment of the present invention.
  • FIG. 17 is a schematic diagram of the elastic contact switch in a conduction state according to an embodiment of the present invention.
  • Fig. 18 is a schematic diagram of the elastic contact switch in another embodiment of the present invention when it is in a conducting state.
  • Fig. 19 is a schematic diagram of the overall structure of a medical device in another embodiment of the present invention.
  • FIG. 20 is a schematic diagram of an exploded structure of the medical device shown in FIG. 19 .
  • Fig. 21 is a schematic diagram of the overall structure of a medical device in another embodiment of the present invention.
  • FIG. 22 is a partial structural schematic diagram of the medical device shown in FIG. 21 .
  • the reference signs are as follows: the first shell-100; the rib-110; the clamping piece-120; Column-160; pressing part-200; main body-210; first cantilever-220; second mounting hole-221; 311; second cantilever-312; groove-313; needle handle-314; needle body-315; -340; second shell-400; first mounting seat-410; base-411; elastic claw-412; first accommodation space-413; ;Second Mounting Seat-440;Second Clamping Part-441;First Elastic Part-500;Second Elastic Part-600;Inductor Assembly-700;Sensor-710;Conductive Element-711;Pin-712; Transmitter-720; base-730; second card slot-731; through hole-732; circuit board-740; contact surface-750; elastic contact switch-760; Connecting plate-7611, 7611b; First plate body-76111; Second plate body-76112; Telescopic element-7612, 7612b; 800; protective
  • connection In the description of the present invention, unless otherwise clearly specified and limited, the terms “installation”, “connection”, “connection” and “fixation” should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection , or integrated; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two components or the interaction relationship between two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.
  • a first feature being “on” or “under” a second feature may include direct contact between the first and second features, and may also include the first and second features Not in direct contact but through another characteristic contact between them.
  • “above”, “above” and “above” the first feature on the second feature include that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is horizontally higher than the second feature.
  • “Below”, “beneath” and “under” the first feature to the second feature include that the first feature is directly below and obliquely below the second feature, or simply means that the first feature has a lower level than the second feature.
  • the core idea of the present invention is to provide a needle aid and a medical device for percutaneously implanting a sensor, so as to solve the problems of complex structure and high cost of the existing needle aid.
  • this article uses the needle aid for implantation of a sensor for detecting blood glucose concentration as an example, as those skilled in the art can understand, the needle aid can also be used for implantation for detection Sensors for parameters other than blood sugar concentration are not limited in the present invention.
  • the distal end referred to herein refers to the end away from the skin of the target object, and the proximal end refers to the end close to the skin of the target object.
  • Figure 1 schematically shows the overall structure of the medical device provided by an embodiment of the present invention
  • Figure 2 schematically shows the medical device shown in Figure 1 at the trigger pressing part Front sectional view.
  • the medical device includes a needle aid and a sensor assembly 700
  • the sensor assembly 700 includes a connected sensor 710 (see FIG. 11 ) and a transmitter 720 (see FIG. 11 ).
  • the needle aid is used to percutaneously implant the sensor 710 under the skin of the target subject, and the transmitter 720 receives the detection result of the sensor 710 and sends the detection result to a terminal device (not shown in the figure).
  • the terminal device can be a mobile phone, a computer, a tablet computer or a receiver, and the transmitter 720 and the terminal device can be connected through existing technology.
  • Communication methods for data transmission such as WiFi, Bluetooth, NFC or RFID, etc.
  • the needle aid includes a first housing 100 and a needle insertion assembly, the needle insertion assembly is arranged inside the first housing 100 and is used to carry the sensor assembly 700; the first housing 100 is provided with several pressing parts 200, after the pressing parts 200 are triggered, the needle insertion assembly can move from a position far away from the proximal end of the first housing 100 to a position close to the The position of the proximal end of the first housing 100 is determined so as to percutaneously implant the sensor 710 under the skin of the target subject.
  • the needle insertion assembly can be moved from the distal end (that is, the position away from the proximal end of the first housing 100) to the proximal end of the first housing 100. end position, so that the sensor assembly 700 carrying the sensor 710 can be transported to the skin surface of the target subject, and the sensor 710 is implanted percutaneously under the target subject to detect parameters such as blood glucose concentration in the target subject .
  • an anti-skid structure is provided on the outer wall of the first housing 100; kind. Therefore, as shown in FIG. 1 , by providing a plurality of ribs 110 on the outer wall of the first housing 100, the ribs are arranged along the circumference of the first housing, which can play an anti-skid role. Easier to use.
  • FIG. 3 schematically shows a cross-sectional view of the needle aid provided by an embodiment of the present invention after completing the needle return action.
  • the needle insertion assembly includes a needle holder 300 and a second housing 400, the needle holder 300 is used to fix the implant needle 310, the distal end of the second housing 400 There is a first mount 410 for releasably accommodating the needle holder 300, the proximal end of the second housing 400 is used for detachable connection with the sensor assembly 700, when the sensor 710 After percutaneous implantation under the skin of the target subject, the needle holder 300 can be released from the first mount 410 and move toward the position of the distal end of the first housing 100 .
  • the needle holder 300 Since the needle holder 300 is releasably accommodated in the first mount 410, when the sensor 710 is percutaneously implanted under the skin of the target subject, the needle holder 300 can be removed from the The first mounting seat 410 is released and moves toward the position of the distal end of the first housing 100 , so that the implant needle 310 can follow the needle holder 300 and instantly rebound to the first housing 100 In this way, the sharp implant needle 310 can effectively avoid accidentally injuring the operator or other personnel.
  • the sensor assembly 700 since the sensor assembly 700 is detachably connected to the second housing 400, it is more convenient to remove the needle aid after completing the needle return action, so that the sensor The component 700 can stay on the target subject's skin to realize continuous monitoring of parameters such as blood sugar concentration.
  • the needle aid provided by the present invention is not only simple in structure, low in cost, but also easier to operate.
  • the first mounting seat 410 is provided with a first elastic member 500 disposed along its axial direction, and the distal end of the first elastic member 500 is in contact with the needle holder. 300, the proximal end of the first elastic member 500 is connected with the proximal end of the first mount 410, and before the needle insertion assembly approaches the proximal end of the first housing 100, the first The elastic member 500 is in a compressed state, so that the needle holder 300 can be accommodated in the first mounting seat 410, after the needle insertion assembly is close to the proximal end position of the first housing 100, in the Under the action of the first elastic member 500 , the needle holder 300 can be released from the first mount 410 and move toward the position of the distal end of the first housing 100 .
  • the needle holder 300 can be driven to be released from the first mounting seat 410 and moved to a position close to the distal end of the first housing 100, thereby effectively preventing the sharp implant needle 310 accidentally injures the operator or other personnel, which improves the safety of the present invention during use.
  • the first elastic member 500 is preferably a spring, and the first elastic member 500 is arranged around the implant needle 310, when the needle insertion assembly is close to the first housing Before the proximal end position of 100 , the proximal end of the implant needle 310 passes through the first elastic member 500 . Therefore, by using a spring as the first elastic member 500, the overall structure of the needle aid provided by the present invention can be further simplified and the cost can be effectively reduced. It should be noted that, as understood by those skilled in the art, the first elastic member 500 may also be other elastic elements except springs, which is not limited in the present invention.
  • the first mount 410 includes a hollow base 411 and a plurality of (for example, three) distal ends facing the first shell 100 along the axial direction of the base 411
  • An extended elastic claw 412, a first accommodating space 413 for accommodating the needle holder 300 and the first elastic member 500 can be formed between the base 411 and the elastic claw 412, Before the needle insertion assembly is close to the proximal end of the first housing 100, the distal end of the elastic claw 412 can abut against the distal end of the needle holder 300, so that the needle holder 300 is accommodated in the first accommodating space 413, after the needle insertion assembly is close to the proximal end of the first housing 100, under the action of the first elastic member 500, the elastic claw The distal end of 412 is detachable from the needle holder 300 such
  • the first installation seat 410 may not include the base 411 but only include a plurality of elastic claws 412, at this time, the The first accommodating space 413 is surrounded by the plurality of elastic claws 412 .
  • the resilience force of the first elastic member 500 is greater than the deformation force of the plurality of elastic claws 412, thus, before the needle insertion assembly approaches the proximal end position of the first housing 100 (that is, Before the sensor 710 is implanted under the skin of the target object), under the action of an external force, the downward force of the elastic claw 412 on the needle holder 300 can be balanced with the resilience of the first elastic member 500, So that the needle holder 300 can be firmly fixed in the first mounting seat 410; After entering the subcutaneous of the target object), due to the disappearance of the external force, under the action of the rebound force of the first elastic member 500, the needle holder 300 can break away from the restraint of the elastic claw 412, and then can be removed from the first elastic claw 412.
  • a mounting seat 410 is released and moved toward the position of the distal end of the first housing 100 .
  • the first mount 410 including three elastic claws 412 as an example, as those skilled in the art can understand, in some other implementation manners, the first The mounting base 410 may also include two, four or more elastic claws 412, or even an elastic arm capable of recovering and deforming around, which may be set according to actual conditions, which is not limited in the present invention.
  • the inside of the first housing 100 is provided with a hollow clasp 120 arranged along its axial direction, and the needle insertion assembly is close to the first housing 100
  • the holding member 120 Before the proximal position, the holding member 120 can be sleeved on the outside of the elastic claw 412 to hold the elastic claw 412 tightly. After the end position, the holding member 120 can be separated from the elastic claw 412, so that the distal end of the elastic claw 412 can be separated from the needle holder 300, and then the first elastic member 500 causes the needle holder 300 to automatically move towards the position of the distal end of the first housing 100 instantaneously. Before the needle insertion assembly is close to the proximal end of the first housing 100 (i.e.
  • the holding member 120 can be sleeved on the elastic claw 412, so that the elastic claw 412 can be tightly bound to prevent its deformation, so that the distal end of the elastic claw 412 can abut against the needle holder 300 to hold the needle
  • the sensor 300 is accommodated in the first mount 410; and after the needle insertion assembly is close to the proximal position of the first housing 100 (that is, after the sensor 710 is implanted under the skin of the target object), due to the The distal end of the elastic claw 412 moves away from the holding member 120, so that the elastic claw 412 is no longer bound by the holding member 120, and because the first elastic member 500 returns at this time
  • the elastic force is greater than the deformation force of the plurality of elastic claws 412, thus, under the action of the resilience force of the first elastic member 500, the elastic claws 412 can be bent or ejected outward, so that The needle holder 300 can be disengaged from the restraint of
  • FIG. 2 and FIG. 3 Please continue to refer to FIG. 2 and FIG. 3, as shown in FIG. 2 and FIG. The end is connected with the far end of the first housing 100, the proximal end of the second elastic member 600 is connected with the second housing 400, and before the pressing part 200 is triggered, the second elastic member 600 In the compressed state, after the pressing part 200 is triggered, the second housing 400 can move toward the proximal end of the first housing 100 under the action of the second elastic member 600 .
  • the The second housing 400 can move toward the proximal end of the first housing 100 more smoothly, further enabling the needle aid provided by the present invention to implant the sensor 710 under the skin of the target object smoothly and accurately, improving the The invention provides the stability of the medical device during use.
  • the second elastic member 600 is a spring, and the second elastic member 600 is disposed around the clasping member 120 and the first installation seat 410 . Therefore, by using a spring as the second elastic member 600, the overall structure of the needle aid provided by the present invention can be further simplified and the cost can be effectively reduced. In addition, since the second elastic member 600 is arranged around the clasping member 120 and the first mounting base 410, not only the inner space of the needle aid can be fully utilized, but also the provision of the present invention can be further simplified. The overall structure of the needle aid can also further improve the flexibility of the needle aid during use, which is conducive to implanting the sensor 710 under the skin of the target object more quickly. It should be noted that, as understood by those skilled in the art, the second elastic member 600 may also be other elastic members except springs, which is not limited in the present invention.
  • the distal end of the second housing 400 is provided with a plurality of jumpers 420
  • the inner wall of the first housing 100 is provided with Cooperate with the overlapping platform 130, the overlapping platform 130 is close to the position of the pressing part 200, and before the pressing part 200 is triggered, the overlapping member 420 is overlapped on the overlapping platform 130.
  • the bonding member 420 can be separated from the bonding platform 130 . Since the bonding platform 130 is close to the position of the pressing part 200, when the pressing part 200 is pressed inward toward the inside of the first housing 100 to trigger the pressing part 200, the pressing part 200 will be pushed inwardly.
  • the moving pressing part 200 can push the jumper 420 to disengage from the jumper 130 , so that the second housing 400 can move relative to the first housing 100 , so that the The needle insertion assembly can be moved from a position away from the proximal end of the first housing 100 to a position close to the proximal end of the first housing 100 to implant the sensor 710 under the skin of the target subject.
  • the first housing 100 is provided with a pair of oppositely disposed pressing portions 200
  • the second housing 400 is provided with a pair of overlapping parts 420
  • the piece 420 is an elastic piece
  • the bridging piece 420 is provided in one-to-one correspondence with the pressing portion 200 . Therefore, by providing two sets of pressing parts 200 and bridge members 420 that are provided in one-to-one correspondence, it can be ensured that the needle insertion assembly can be firmly fixed on the first housing before the pressing part 200 is triggered. within 100.
  • this article takes the first housing 100 including two pressing parts 200 and the second housing 400 as an example for illustration, but as those skilled in the art It can be understood that, in some other embodiments, one pressing portion 200, three pressing portions 200 or more pressing portions 200 may also be provided on the first housing 100, and the corresponding pressing portions 200 on the second housing 400 One bridging piece 420 , three bridging pieces 420 or more bridging pieces 420 are provided, which is not limited in the present invention.
  • a slope 421 is provided on a side of the bridge member 420 close to the pressing portion 200 . Therefore, this arrangement can further facilitate the installation of the second housing 400 from the proximal end of the first housing 100 , facilitating assembly and assembly.
  • Fig. 4 to Fig. 6 schematically shows the three-dimensional structural diagram of the needle aid provided by an embodiment of the present invention after completing the back-needle action
  • Fig. 6 schematically shows the A schematic diagram of the first housing 100 provided by an embodiment of the invention.
  • two sides of the second housing 400 are respectively provided with sliding slots 430 extending in the axial direction of the second housing 400, and the sliding slots 430 pass through the second At the proximal end and the distal end of the housing 400 , the inner wall of the first housing 100 is provided with a sliding rail 140 matched with the sliding groove 430 .
  • the sliding grooves 430 can slide along the slide rail 140, thereby ensuring that the needle insertion assembly can smoothly move from a position away from the proximal end of the first housing 100 to a position close to the proximal end of the first housing 100. position, so that the needle aid provided by the present invention can stably and accurately implant the sensor 710 under the skin of the target object, which improves the stability of the medical device provided by the present invention during use.
  • the proximal end of the slide rail 140 is provided with a limiting member 141 . Therefore, when the needle insertion assembly moves to a position close to the proximal end of the first housing 100, under the action of the stopper 141, the needle insertion assembly can be prevented from further moving down to be in contact with the first housing 100.
  • the above-mentioned first housing 100 is separated from each other, so as to ensure that the needle aid is more convenient to be removed from the target subject's skin after the needle-returning action is completed.
  • the stopper 141 can prevent the needle insertion assembly from coming out of the first housing 100 , it can prevent the second housing 400 from breaking away from the first housing 100 The implant needle 310 is exposed, further reducing the risk of accidental injury of the implant needle 310 .
  • FIG. 7 schematically shows a structural diagram of the pressing part 200 provided by an embodiment of the present invention.
  • the pressing portion 200 includes a main body 210 and first cantilever arms 220 disposed on both sides of the main body portion 210 , the first cantilever arms 220 are along the length direction of the main body portion 210 Extending outward, the first cantilever 220 is connected to the inner wall of the first housing 100, and the first housing 100 is provided with a first installation hole 150 corresponding to the main body 210, and the main body The part 210 is installed in the first installation hole 150 , and the main body part 210 can reciprocate in the first installation hole 150 .
  • the pressing part 200 can be more easily fixed on the first housing 100 by welding or other connection methods through the first cantilever 220, effectively preventing the pressing part 200 from being damaged when the pressing part 200 is pressed.
  • the pressing part 200 is separated from the first casing 100 .
  • the first cantilever 220 has a certain degree of elasticity, so that when the operator's hand leaves the pressing part 200, the pressing part 200 can smoothly return to initial form.
  • the first cantilever 220 is arranged in an arc shape, and the side of the first cantilever 220 away from the main body 210 is provided with a second installation hole 221 , and the first housing 100 A mounting column 160 matched with the second mounting hole 221 is provided on the inner wall of the body. Since the first cantilever 220 is arranged in an arc shape, it is more convenient for the pressing part 200 to return to its original shape smoothly when the external force is withdrawn. In addition, since the second installation hole 221 is provided on one side of the first cantilever 220, and the installation column 160 is provided on the inner wall of the first housing 100, the above can be connected by welding or other connection methods. The second installation hole 221 can be firmly sleeved on the installation column 160 to fix the pressing part 200 on the first housing 100 .
  • the main body portion 210 is a hollow structure, and an opening is provided on a side of the main body portion 210 close to the inner wall of the first housing 100 , and an opening is provided on the inner wall of the main body portion 210 .
  • the needle holder 300 includes a fixing seat 320 and a plurality of guide posts 330 extending along the axial direction of the fixing seat 320 toward the proximal end of the first housing 100 , the fixing seat
  • the proximal end of the implant needle 320 is provided with an opening
  • the interior of the fixed seat 320 is provided with a connecting portion 321 arranged along its axial direction
  • the distal end of the implant needle 310 is provided with several (for example, two) first engaging portions 311
  • the connecting portion 321 is provided with a first engaging groove 3211 matched with the first engaging portion 311 .
  • the implant needle 310 can be fixed in the needle holder 300 more simply by snapping the first engaging portion 311 into the first engaging groove 3211.
  • a second accommodating space 340 for accommodating the first elastic member 500 may also be formed between the fixing seat 320 and the guide post 330, thus, not only The internal volume of the needle aid can be further fully utilized, the overall structure of the needle aid provided by the present invention can be further simplified, and the installation of the first elastic member 500 is also more convenient.
  • the implant needle 310 includes two first engaging portions 311 and the connecting portion 321 includes two first engaging grooves 3211, as those skilled in the art know It can be understood that, in some other embodiments, the implant needle 310 may include one first engaging portion 311, three first engaging portions 311 or more first engaging portions 311, and the connecting portion 321 is correspondingly provided with one first card slot 3211 , three first card slots 3211 or more first card slots 3211 , which is not limited in the present invention.
  • FIG. 9 schematically shows a structural diagram of an implant needle 310 provided by an embodiment of the present invention.
  • the distal end of the implant needle 310 is provided with several (for example two) second cantilever arms 312, and the second cantilever arms 312 extend outward along the axial direction of the implant needle 310, the The first engaging portion 311 is disposed on the distal end of the second cantilever 312 .
  • the second cantilever 312 Since the second cantilever 312 has a certain degree of elasticity, by setting the second cantilever 312 and setting the first locking part 311 on the second cantilever 312, it is more convenient to install the first cantilever 312 The locking part 311 is locked into the first locking groove 3211, so that the assembly of the needle aid is more convenient.
  • FIG. 10 schematically shows the structure diagram of the sensor assembly 700 provided by an embodiment of the present invention
  • FIG. 11 schematically shows the A cross-sectional view of the sensor assembly 700 of FIG.
  • the sensor assembly 700 also includes a base 730, a sensor 710 and a transmitter 720, the sensor 710 and the transmitter 720 are installed on the base 730, the The proximal end of the second housing 400 is provided with a second mount 440 for releasably receiving the base 730 , and the base 730 is detachably connected to the second mount 440 .
  • the structure of the sensor assembly 700 can be simplified, thereby further simplifying the overall structure of the medical device provided by the present invention.
  • the sensor assembly 700 can be installed on the second installation seat 440 by installing the base 730 Inside the needle aid.
  • the base 730 is detachably connected to the second mount 440, it is more convenient to connect the needle aid with the needle after the sensor 710 is implanted under the skin of the target object.
  • the sensor assembly 700 is separated to remove the needle aid, and the sensor assembly 700 is retained on the target subject's skin, so as to continuously monitor parameters such as blood sugar concentration.
  • a circuit board 740 is disposed on the sensor assembly 700 , and both the sensor 710 and the emitter 720 are electrically connected to the circuit board 740 .
  • the data detected by the sensor 710 can be transmitted to the transmitter 720 , so that the detected data can be sent to an external terminal device through the transmitter 720 .
  • the sensor 710 is provided with a conductive element 711 , so that the sensor 710 can be electrically connected to the circuit board 740 through the conductive element 711 .
  • the base 730 is also provided with a battery, so that the sensor 710 and the transmitter 720 can be powered by the battery.
  • FIG. 12 schematically shows a schematic diagram when the second housing 400 and the sensor assembly 700 provided by an embodiment of the present invention are separated from each other (the implant needle is not shown).
  • a plurality of second card slots 731 are provided on the outer periphery of the base 730
  • a second card connection portion matching the second card slots 731 is provided on the inner wall of the second mounting base 440 441.
  • the sensor assembly 700 can be firmly fixed on the second housing 400, so that the needle aid During the process of the needle insertion assembly moving towards the proximal end of the first housing 100, the sensor assembly 700 can be smoothly delivered to the skin of the target object, so that the sensor 710 can be implanted subcutaneously in the target object ;
  • the sensor assembly 700 can be separated from the second housing 400 smoothly, so that the sensor assembly 700 can be removed smoothly; Needle aid, and the sensor assembly 700 stays on the skin of the target object. It can be seen that through the second locking groove 731 and the second locking part 441 that cooperate with each other, the sensor assembly 700 can be smoothly realized. The detachable connection between the device assembly 700.
  • the proximal end of the base 730 is provided with an outwardly extending contact surface 750 along its circumference for contacting the target subject's skin, and an adhesive sticker is provided on the contact surface 750 .
  • the sensor assembly 700 can be firmly pasted on the target after the sensor assembly 700 is transported to a position close to the skin of the target object. on the subject's skin.
  • the needle aid since the sticking force of the adhesive patch to the skin is greater than the holding force of the second engaging portion 441 on the sensor assembly 700, the needle aid will be removed when the needle aid is removed. Then, the sensor assembly 700 can be lodged on the target subject's skin.
  • the contact surface 750 is extended outward relative to the base 730, the area of the contact surface 750 can be effectively increased, further improving the sticking force between the adhesive patch and the skin of the target object.
  • the sensor assembly 700 can also be attached to the target subject's skin in any other common manner.
  • FIG. 13 schematically shows a schematic diagram of the connection relationship between the sensor assembly 700 and the implant needle 310 provided by an embodiment of the present invention.
  • 14 is a sectional view of FIG. 13 .
  • the base 730 is provided with a through hole 732 for the implant needle 310 to pass through, and the proximal end of the sensor 710 is provided with a pin 712,
  • the pin 712 passes through the through hole 732
  • the implant needle 310 is provided with a groove 313 for wrapping the pin 712 along its axial direction.
  • the target object is subcutaneous to collect parameters such as blood sugar concentration.
  • an elastic contact switch 760 is provided in the through hole 732 , and when the needle holder 300 is fixed in the first mount 410 , the elastic contact switch 760 760 is in an off state, and when the needle holder 300 is released from the first mount 410 and moves to a position close to the distal end of the first housing 100, the elastic contact switch 760 is in conduction state.
  • the elastic contact switch 760 by setting the elastic contact switch 760, there is no need to set an additional switch on the sensor component 700, and it is not necessary to perform software operation control, so that the sensor component 700 can automatically turn on the function of transmitting signals after the needle return action is completed.
  • the size of the sensor assembly 700 is smaller, and the sensor assembly 700 is more convenient to wear, but also the operation steps can be further reduced, It is more convenient to operate and ensures the service life of the sensor assembly 700 .
  • FIG. 15 schematically shows a schematic diagram of the elastic contact switch 760 provided in an embodiment of the present invention when it is in an off state.
  • the elastic contact switch 760 includes a pair of opposite conductive members 761, at least one of the two conductive members 761 has elasticity, and the implant needle 310 includes a connected needle handle 314 and a needle Body 315, the material of the needle handle 314 is insulating material, when the needle holder 300 is accommodated in the first installation seat 410, one of the conductive parts 761 and one side of the needle handle 314 The other conductive member 761 is in contact with the other side of the needle handle 314, so that the elastic contact switch 760 is in the disconnected state, when the needle holder 300 is removed from the first mounting seat 410 is released and moved to a position close to the distal end of the first housing 100 , the two conductive elements 761 can contact each other, so that the elastic contact switch 760 is in a conduction state.
  • the elastic contact switch 760 can be turned off, at this time, the circuit in the sensor assembly 700 is not connected, and the transmitter 720 and the sensor 710 cannot work;
  • the implant needle 310 is withdrawn from the sensor assembly 700 , so that under the action of the elastic force, the two conductive elements 761 can contact each other, so that the elastic contact switch 760 is in a conduction state.
  • the proximal end of the pin 712 is successfully implanted into the target object , the circuit in the sensor assembly 700 is turned on, and the emitter 720 and the sensor 710 start to work.
  • the elastic conductive member 761 includes a connection plate 7611, an expansion member 7612 and a contact terminal 7613, the expansion member 7612 is fixed on the connection plate 7611, and the contact The terminal 7613 is connected to an end of the telescopic member 7612 away from the connecting plate 7611 , and under the action of the telescopic member 7612 , the contact terminal 7613 can move away from the connecting plate 7611 .
  • the contact terminal 7613 of the conductive member 761 can move away from the connecting plate 7611. Move until the conductive element 761 is in contact with another conductive element 761, so that the elastic contact switch 760 is turned on.
  • the telescopic member 7612 includes a hollow sleeve 76121 and a third elastic member 76122 disposed inside the sleeve 76121, the sleeve 76121 is fixed on the connecting plate 7611, One end of the third elastic member 76122 is connected to the sleeve 76121 , and the other end of the third elastic member 76122 is connected to the contact terminal 7613 .
  • the third elastic member 76122 When the needle holder 300 is fixed in the first mount 410, the third elastic member 76122 is in a compressed state; when the implant needle 310 withdraws from the sensor assembly 700, Under the action of the resilience of the third elastic member 76122 , the contact terminal 7613 can move toward a position away from the connecting plate 7611 .
  • the third elastic member 76122 is a spring. Therefore, by using a spring as the third elastic member 76122, the structure of the sensor assembly 700 can be further simplified and the cost can be effectively reduced. It should be noted that, as those skilled in the art can understand, in some other embodiments, the telescopic member 7612 may not include the sleeve 76121 but only include the third elastic member 76122.
  • the third elastic One end of the member 76122 is connected to the connection plate 7611, and the other end is connected to the contact terminal 7613.
  • the third elastic member 76122 with electrical conductivity can be used to realize the electrical conduction between the contact terminal 7613 and the connection plate 7611.
  • the connecting plate 7611 includes a connected first plate body 76111 and a second plate body 76112, wherein the first plate body 76111 is arranged along the radial direction of the through hole 732, so The second plate body 76112 is disposed along the axial direction of the through hole 732 , and the telescopic member 7612 is installed on a side of the second plate body 76112 away from the first plate body 76111 . Therefore, this arrangement can facilitate the installation of the conductive member 761 more easily.
  • FIG. 17 schematically shows a schematic diagram of the elastic contact switch 760 provided by an embodiment of the present invention when it is in a conducting state.
  • the elastic contact switch 760 includes a conductive element 761a and a conductive element 761b, wherein the conductive element 761a has no elasticity, that is, after the backstitch action is completed, the conductive element 761a Keeping still, the conductive member 761b has elasticity, that is, after the needle-back action is completed, the conductive member 761b can approach the conductive member 761a and be in contact with the conductive member 761a, so that the elastic contact switch 760 conduction.
  • the conductive member 761b includes a connecting plate 7611b, a telescopic member 7612b, and a contact terminal 7613b.
  • the telescopic member 7612b and the contact terminal 7613b are integrally structured, and the telescopic member 7612b is an elastic piece arranged obliquely, so The contact terminal 7613b is formed by bending an end of the telescopic member 7612b away from the connecting plate 7611b. Due to the integral structure of the telescopic member 7612b and the contact terminal 7613b, the structure of the sensor assembly 700 can be further simplified and the cost can be effectively reduced.
  • FIG. 18 schematically shows a schematic diagram of an elastic contact switch 760 provided in another embodiment of the present invention when it is in a conducting state.
  • the elastic contact switch 760 includes a conductive element 761c and a conductive element 761d.
  • the elastic contact switch 760 provided in this embodiment is different in that, in this embodiment, both the conductive member 761c and the conductive member 761d have elasticity, and the The structure of the conductive element 761c and the conductive element 761d is similar to the structure of the conductive element 761b in the previous embodiment, so it will not be repeated here.
  • Figure 19 schematically shows the overall structure of the medical device provided by another embodiment of the present invention
  • Figure 20 schematically shows the decomposition of the medical device shown in Figure 19 Schematic.
  • the medical device further includes a protective cover 800 , and the sensor assembly 700 and the needle insertion assembly are packaged in the space formed by the first housing 100 and the protective cover 800 Inside, the protective cover 800 is detachably mounted on the proximal end of the first housing 100 .
  • the sensor assembly 700 and the needle insertion assembly can be sealed inside the first housing 100, which can not only effectively avoid the The needle insertion assembly and the sensor assembly 700 are contaminated, and at the same time, it can effectively avoid the sharp implant needle 310 accidentally injuring the operator or others due to false triggering of the pressing part 200 before the protective cover 800 is removed. personnel. It should be noted that, as those skilled in the art can understand, before removing the protective cover 800, under the action of the protective cover 800, when the pressing part 200 is pressed, it will not cause the aforementioned progress.
  • the needle assembly moves from a position away from the proximal end of the first housing to a position close to the proximal end of the first housing; only when the protective cover 800 is removed, can the pressing part 200 be pressed, so that the needle insertion assembly moves from a position away from the proximal end of the first housing 100 to a position close to the proximal end of the first housing 100, so that the sensor 710 is percutaneously implanted under the skin of the target object .
  • the protective cover 800 and the protective cover 800 can be realized by adopting a snap-in detachable connection method or other detachable connection methods commonly used in the prior art.
  • the detachable connection between the above-mentioned first shells 100 is not limited in the present invention.
  • the release film of the sticker matches the distal end of the protective cover 800, and the fit
  • the method can be realized by double-sided tape, or by mechanical connection.
  • the release film can protect the sticker and ensure the effectiveness of the sticker.
  • the protective cover 800 is pulled outward, the release film can be moved together with the protective cover 800, so that the release film can be separated from the sticker.
  • the protective cover 800 is provided with a protective seat 810 corresponding to the implant needle 310 .
  • the implant needle 310 wrapping the pin 712 can be inserted into the protective seat 810, thereby protecting the implant needle 310 and the pin 712 play a sealing role, effectively preventing the sharp implant needle 310 from accidentally injuring the operator or other personnel.
  • Figure 21 schematically shows the overall structure of the medical device provided by another embodiment of the present invention
  • Figure 22 schematically shows a part of the medical device shown in Figure 21 Schematic diagram of the structure (the schematic diagram of the structure after removing the box cover).
  • the medical device further includes a sterilization box 900 , the sensor assembly 700 and the needle aid are sterilized as a whole and installed in the sterilization box. Therefore, by covering the sterilization box 900 on the outside of the first housing 100, the needle insertion assembly, the sensor assembly 700 and other components of the medical device can be kept in a sterile state before use.
  • the sterilization box 900 includes a box body 910 and a lid 920 covered on the box body 910, when the lid 920 is opened (that is, the lid 920 When removed), the needle aid and sensor assembly 700 located in the box body 910 can be taken out, and corresponding operations can be performed without further assembly, and the sensor 710 is implanted percutaneously under the skin of the target subject, It is convenient and quick, and greatly avoids the pollution problem in the process of percutaneous implantation.
  • the sensor assembly 700 can be assembled with the needle aid and installed in the sterilization box 900, After the percutaneous implantation is completed, the sensor 710 is assembled with other parts of the sensor assembly 700 (such as the transmitter 720) to detect parameters such as blood glucose concentration in the blood of the target subject, which is not limited in the present invention .
  • the needle aid and medical device for percutaneously implanting sensors have the following advantages: Since the needle aid provided by the present invention includes a first housing and a needle Assemblies, the needle insertion assembly is arranged inside the first housing and used to carry the sensor assembly including the sensor; the needle insertion assembly includes a needle holder and a second housing, the needle holder is used For fixing the implant needle, the distal end of the second housing is provided with a first mount for releasably accommodating the needle holder, and the proximal end of the second housing is used for connecting with the sensor assembly Detachable connection; the first mounting base is connected with a first elastic member axially arranged along the first housing, the distal end of the first elastic member is connected with the needle holder, and the first The proximal end of the elastic member is connected to the proximal end of the first mounting seat; the first mounting seat includes a plurality of elastic claws, and a plurality of elastic claws can be formed between
  • the axial setting of the needle insertion assembly is close to the proximal end of the first housing, and the holding member can be sleeved on the outside of the elastic claw to hold the elastic claw tightly;
  • the needle insertion assembly moves toward the proximal position of the first housing, so as to implant the sensor under the skin of the target subject until the holding member can be connected with the
  • the elastic claws are separated, so that the distal end of the elastic claws can be separated from the needle holder, and then the first elastic member makes the needle holder automatically move towards the distal end of the first housing instantly Location moved.
  • the needle insertion assembly can be moved from a position away from the proximal end of the first housing to a position close to the proximal end of the first housing, so that the carrying The sensor assembly with the sensor is delivered to the skin surface of the target object, and the sensor is implanted percutaneously under the skin of the target object to detect parameters such as blood sugar concentration in the blood of the target object.
  • the needle holder is releasably accommodated in the first mount, when the sensor is percutaneously implanted under the skin of the target subject, the holding member can be in contact with the elastic claw separated from each other, so that the distal end of the elastic claw can be separated from the needle holder, so that the needle holder can instantly automatically move towards the needle holder under the action of the resilience of the first elastic member
  • the position of the distal end of the first casing moves, so that the implant needle can follow the needle holder and rebound into the first casing instantaneously, effectively avoiding accidental injury of the operator or other personnel by the sharp implant needle.
  • the needle aid provided by the present invention is not only simple in structure, low in cost, but also easier to operate. Since the medical device provided by the present invention includes the above-mentioned needle aid, and therefore has all the advantages of the above-mentioned medical device, it will not be repeated here.

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Abstract

一种用于经皮植入传感器的助针器及医疗装置。助针器包括第一壳体（100）和进针组件。进针组件包括针保持器（300）和第二壳体（400），第二壳体（400）的远端设有第一安装座（410）。第一安装座（410）连接有第一弹性件（500）。第一安装座（410）包括多个弹性卡爪（412）。第一壳体（100）包括抱紧件（120）和按压部（200），在进针组件靠近第一壳体（100）的近端位置之前，抱紧件（120）能够套设在弹性卡爪（412）的外部以抱紧弹性卡爪（412）。在触发按压部（200）后，进针组件朝向靠近第一壳体（100）的近端位置方向移动，以将传感器（710）经皮植入目标对象皮下，直至抱紧件（120）能够与弹性卡爪（412）相分离，第一弹性件（500）使得针保持器（300）瞬间自动朝向第一壳体（100）的远端所在位置移动。该装置结构简单，成本较低，而且便于操作。

Description

用于经皮植入传感器的助针器及医疗装置 技术领域
本发明涉及医疗器械技术领域，特别涉及一种用于经皮植入传感器的助针器及医疗装置。
背景技术
对糖尿病目标对象而言，测量血糖浓度值是每天必不可少的事情。目前市面上比较常见的测量方法是采集指尖血，使用指血血糖浓度仪来测量血糖浓度值。但是这种测试方法有很大的局限性，因为它只能测量目标对象在某个单点时刻的血糖浓度值，不能连续的监测血糖浓度水平。针对这个缺陷，CGM(连续血糖浓度监测)应运而生。
CGM的原理是通过葡萄糖感应器来监测皮下组织间液的葡萄糖浓度，而间接的反映血糖浓度水平的一种监测技术，可以连续的提供全天的血糖浓度信息，了解血糖浓度波动的趋势，给医生对目标对象进行诊断和治疗提供非常有效的判断依据。
现有的CGM产品结构都颇为复杂，造价成本高，用户使用步骤繁琐，对用户而言体验较差。
发明内容
本发明的目的在于提供一种用于经皮植入传感器的助针器及医疗装置，可以解决现有的助针器结构复杂，成本高的问题。
为解决上述技术问题，本发明提供一种用于经皮植入传感器的助针器，所述助针器包括第一壳体和进针组件，所述进针组件设置于所述第一壳体的内部并且用于承载包括所述传感器的感应器组件；所述进针组件包括针保持器和第二壳体，所述针保持器用于固定植入针，所述第二壳体的远端设有用于可释放地容纳所述针保持器的第一安装座，所述第二壳体的近端用于与所述感应器组件可拆卸式连接；所述第一安装座连接有沿所述第一壳体轴向设置的第一弹性件，所述第一弹性件的远端与所述针保持器相连，所述第一弹性件的近端与所述第一安装座的近端相连；所述第一安装座包括多个弹性卡爪，多个所述弹性卡爪之间能够形成用于容纳所述针保持器和所述第一弹性件的第一容置空间；所述第一壳体包括抱紧件和按压部，所述抱紧件设于所述第一壳体的内部且沿所述第一壳体的轴向设置，在所述进针组件靠近所述第一壳体的近端位置之前，所述抱紧件能够套设在所述弹性卡爪的外部以抱紧所述弹性卡爪；在触发所述按压部后，所述进针组件朝向靠近所述第一壳体的近端位置方向移动，以将所述传感器经皮植入目标对象皮下，直至所述抱紧件能够与所述弹性卡爪相分离，以使得所述弹性卡爪的远端能够与所述针保持器分离，进而所述第一弹性件使得所述针保持器瞬间自动朝向所述第一壳体的远端所在位置移动。
可选的，在所述进针组件靠近所述第一壳体的近端位置之前，所述第一弹性件处于压缩状态，以使得所述针保持器能够被容纳在所述第一安装座内；在所述进针组件靠近所述第一壳体的近端位置之后，在所述第一弹性件的作用下，所述针保持器能够从所述第一安装座内释放并朝向所述第一壳体的远端所在位置移动。
可选的，所述第一安装座还包括基座，所述多个弹性卡爪沿所述基座的轴向朝向所述第一壳体的远端延伸设置，所述基座以及所述弹性卡爪之间能够形成所述第一容置空间；在所述进针组件靠近所述第一壳体的近端位置之前，所述弹性卡爪的远端能够与所述针保持器的远端相抵接，以将所述针保持器固定在所述第一容置空间内；在所述进针组件靠近所述第一壳体的近端位置之后，在所述第一弹性件的作用下，所述弹性卡爪的远端能够与所述针保持器相分离，以使得所述针保持器能够从所述第一安装座内释放并朝向所述第一 壳体的远端所在位置移动。
可选的，所述第一壳体的内部设有沿其轴向设置的第二弹性件，所述第二弹性件的远端与所述第一壳体的远端相连，所述第二弹性件的近端与所述第二壳体相连；在触发所述按压部前，所述第二弹性件处于压缩状态；在触发所述按压部后，在所述第二弹性件的作用下，所述第二壳体能够朝向所述第一壳体的近端所在位置移动。
可选的，所述第二壳体的远端设有若干搭接件，所述第一壳体的内壁上设有与所述搭接件相配合的搭接台，所述搭接台靠近所述按压部所在位置；在触发所述按压部前，所述搭接件搭接在所述搭接台上；在触发所述按压部后，所述搭接件能够脱离所述搭接台。
可选的，所述第二壳体设有沿所述第一壳体的轴向贯穿所述第二壳体的近端和远端的滑槽，所述第一壳体的内壁上设有与所述滑槽相配合的滑轨，所述滑轨的近端设有限位件。
可选的，所述按压部包括主体部以及设置于所述主体部的两侧的第一悬臂，所述第一悬臂沿所述主体部向外延伸，所述第一悬臂与所述第一壳体的内壁相连，所述第一壳体上设有与所述主体部对应设置的第一安装孔，所述主体部安装于所述第一安装孔内，所述主体部能够在所述第一安装孔内往复移动，所述第一悬臂呈弧形设置，所述第一悬臂远离所述主体部的一侧设有第二安装孔，所述第一壳体的内壁上设有与所述第二安装孔相配合的安装柱。
可选的，所述针保持器包括固定座以及多个沿所述固定座的轴向朝向所述第一壳体的近端延伸设置的导向柱，所述固定座和所述导向柱之间形成一用于容纳所述第一弹性件的第二容置空间，所述固定座的近端设有开口，所述固定座的内部设有沿其轴向设置的连接部，所述植入针的远端设有若干第一卡接部，所述连接部上设有与所述第一卡接部相配合的第一卡槽。
可选的，所述植入针的远端设有若干第二悬臂，所述第二悬臂沿所述植入针的轴向向外延伸，所述第一卡接部设于所述第二悬臂的远端上。
可选的，所述第一壳体的外壁上设有防滑结构；所述防滑结构包括布置在所述第一壳体上的凸棱、凸点、凹坑或咬花中的一种或几种。
为解决上述技术问题，本发明还提供一种医疗装置，包括感应器组件和上文所述的助针器，所述感应器组件包括相连的传感器和发射器，当所述传感器经皮植入目标对象皮下后，所述发射器能够接收所述传感器的检测结果并将所述检测结果发送出去。
可选的，所述感应器组件还包括底座，所述传感器和所述发射器安装于所述底座上，所述第二壳体的近端设有用于可释放地容纳所述底座的第二安装座，所述底座与所述第二安装座可拆卸式连接。
可选的，所述底座的外周上设有若干第二卡槽，所述第二安装座的内壁上设有与所述第二卡槽相配合的第二卡接部。
可选的，所述底座的近端沿其周向设有向外延伸的用于接触目标对象皮肤的接触面，所述接触面上设有胶贴。
可选的，所述医疗装置还包括保护罩，所述感应器组件和所述进针组件封装在所述第一壳体和所述保护罩合围形成的空间内，所述保护罩可拆卸式安装于所述第一壳体的近端，所述保护罩的远端设有与所述胶贴相配合的离型膜。
可选的，所述底座上设有用于供所述植入针穿过的通孔，所述传感器的近端设有引脚，所述引脚穿出至所述通孔的外部，所述植入针沿其轴向设有用于包裹住所述引脚的沟槽。
可选的，所述感应器组件上设有用于供所述助针器的植入针穿过的通孔，所述通孔内设有弹性接触开关，当所述针保持器被容纳在所述第一安装座内时，所述弹性接触开关处于断开状态，当所述针保持器从所述第一安装座内释放并移动至靠近所述第一壳体的远端的位置时，所述弹性接触开关处于导通状态。
可选的，所述弹性接触开关包括一对相对设置的导电件，两所述导电件中的至少一者具有弹性，所述植入针包括相连的针柄和针体，所述针柄的材质为绝缘材料，当所述针保持器被容纳在所述第一安装座内时，其中一所述导电件与所述针柄的一侧相抵接，另一所述导电件与所述针柄的另一侧相抵接，以使得所述弹性接触开关处于断开状态，当所述针保持器从所述第一安装座内释放并移动至靠近所述第一壳体的远端的位置时，两所述导电件能够相互接触，以使得所述弹性接触开关处于导通状态。
可选的，具有弹性的所述导电件包括连接板、伸缩件和接触端子，所述伸缩件固定于所述连接板上，所述接触端子与所述伸缩件的远离所述连接板的一端相连，在所述伸缩件的作用下，所述接触端子能够朝向远离所述连接板的位置移动直至与另一个导电件相接触，以使得所述弹性接触开关导通。
可选的，所述伸缩件包括中空的套管和设置于所述套管内的第三弹性件，所述套管固定于所述连接板上，所述第三弹性件的一端与所述套管相连，所述第三弹性件的另一端与所述接触端子相连。
可选的，所述伸缩件和所述接触端子为一体式结构，其中，所述伸缩件为一倾斜设置的弹片，所述接触端子为所述伸缩件的远离所述连接板的一端弯曲形成。
可选的，所述医疗装置还包括灭菌盒，所述感应器组件和所述助针器经灭菌处理并安装于所述灭菌盒内。
为解决上述技术问题，本发明还提供一种医疗装置，包括感应器组件和助针器，所述感应器组件包括传感器和发射器；所述感应器组件上设有通孔，所述传感器的近端设有引脚，所述引脚穿出至所述通孔；所述助针器包括第一壳体和设置于所述第一壳体内部的进针组件，所述进针组件用于承载所述感应器组件，所述进针组件包括用于穿过所述通孔的植入针，所述植入针沿其轴向设有用于包裹住所述引脚的至少一部分的沟槽，所述植入针在将所述引脚经皮植入目标对象皮下后自动回弹至所述第一壳体内；所述通孔内还设有弹性接触开关，当所述植入针回弹至所述第一壳体内时，所述弹性接触开关由断开状态变为导通状态，以使所述发射器能够接收所述传感器的检测结果并将所述检测结果发送出去。
可选的，所述进针组件包括针保持器和第二壳体，所述针保持器用于固定所述植入针；所述第二壳体的远端设有用于可释放地容纳所述针保持器的第一安装座，所述第二壳体的近端用于与所述感应器组件可拆卸式连接，当将所述引脚经皮植入目标对象皮下后，所述针保持器能够从所述第一安装座内释放并朝向所述第一壳体的远端所在位置移动，以使所述植入针瞬间自动回弹至所述第一壳体内。
可选的，所述弹性接触开关包括一对相对设置的导电件，两所述导电件中的至少一者具有弹性，所述植入针包括相连的针柄和针体，所述针柄的材质为绝缘材料，当所述针保持器被容纳在所述第一安装座内时，其中一所述导电件与所述针柄的一侧相抵接，另一所述导电件与所述针柄的另一侧相抵接，以使得所述弹性接触开关处于断开状态，当所述针保持器从所述第一安装座内释放并移动至靠近所述第一壳体的远端的位置时，两所述导电件能够相互接触，以使得所述弹性接触开关处于导通状态。
可选的，具有弹性的所述导电件包括连接板、伸缩件和接触端子，所述伸缩件固定于所述连接板上，所述接触端子与所述伸缩件的远离所述连接板的一端相连，在所述伸缩件 的作用下，所述接触端子能够朝向远离所述连接板的位置移动直至与另一个导电件相接触，以使得所述弹性接触开关导通。
可选的，所述伸缩件包括中空的套管和设置于所述套管内的第三弹性件，所述套管固定于所述连接板上，所述第三弹性件的一端与所述套管相连，所述第三弹性件的另一端与所述接触端子相连。
可选的，所述连接板包括相连的第一板体和第二板体，所述第一板体沿所述通孔的径向设置，所述第二板体沿所述通孔的轴向设置，所述伸缩件安装于所述第二板体的远离所述第一板体的一侧上。
可选的，所述伸缩件和所述接触端子为一体式结构，其中，所述伸缩件为一倾斜设置的弹片，所述接触端子为所述伸缩件的远离所述连接板的一端弯曲形成。
可选的，所述感应器组件的近端沿其周向设有向外延伸的用于接触目标对象皮肤的接触面，所述接触面上设有胶贴。
可选的，所述医疗装置还包括保护罩，所述感应器组件和所述进针组件封装在所述第一壳体和所述保护罩合围形成的空间内，所述保护罩可拆卸式安装于所述第一壳体的近端，所述保护罩的远端设有与所述胶贴相配合的离型膜。
可选的，所述医疗装置还包括灭菌盒，所述感应器组件和所述助针器经灭菌处理并安装于所述灭菌盒内。
与现有技术相比，本发明提供的用于经皮植入传感器的助针器及医疗装置具有以下优点：由于本发明提供的助针器包括第一壳体和进针组件，所述进针组件设置于所述第一壳体的内部并且用于承载包括所述传感器的感应器组件；所述进针组件包括针保持器和第二壳体，所述针保持器用于固定植入针，所述第二壳体的远端设有用于可释放地容纳所述针保持器的第一安装座，所述第二壳体的近端用于与所述感应器组件可拆卸式连接；所述第一安装座连接有沿所述第一壳体轴向设置的第一弹性件，所述第一弹性件的远端与所述针保持器相连，所述第一弹性件的近端与所述第一安装座的近端相连；所述第一安装座包括多个弹性卡爪，多个所述弹性卡爪之间能够形成用于容纳所述针保持器和所述第一弹性件的第一容置空间；所述第一壳体包括抱紧件和按压部，所述抱紧件设于所述第一壳体的内部且沿所述第一壳体的轴向设置，在所述进针组件靠近所述第一壳体的近端位置之前，所述抱紧件能够套设在所述弹性卡爪的外部以抱紧所述弹性卡爪；在触发所述按压部后，所述进针组件朝向靠近所述第一壳体的近端位置方向移动，以将所述传感器经皮植入目标对象皮下，直至所述抱紧件能够与所述弹性卡爪相分离，以使得所述弹性卡爪的远端能够与所述针保持器分离，进而所述第一弹性件使得所述针保持器瞬间自动朝向所述第一壳体的远端所在位置移动。由此，通过触发所述按压部，可以使得所述进针组件能够从远离所述第一壳体的近端的位置移动至靠近所述第一壳体的近端的位置，从而可以将携带有传感器的感应器组件运送至目标对象的皮肤表面，并将所述传感器经皮植入目标对象皮下，以检测目标对象的血液中的血糖浓度等参数。由于所述针保持器是可释放地容纳于所述第一安装座内的，由此，当将所述传感器经皮植入目标对象皮下后，所述抱紧件能与所述弹性卡爪相分离，从而使得所述弹性卡爪的远端能够与所述针保持器分离开来，进而使得所述针保持器能够在所述第一弹性件的回弹力的作用下，瞬间自动朝向所述第一壳体的远端所在位置移动，从而使得植入针能够跟随所述针保持器瞬间回弹至所述第一壳体内，有效避免了尖锐的植入针误伤操作者或其它人员。综上可见，本发明提供的助针器不仅结构简单， 成本较低，而且更加便于操作。由于本发明提供的医疗装置包括上文所述的助针器，由此，其具有上文所述的医疗装置的所有优点，故对此不再进行赘述。
附图说明
图1为本发明一实施方式中的助针器的整体结构示意图。
图2为本发明一实施方式中的医疗装置在触发按压部前的剖视图。
图3为本发明一实施方式中的助针器在完成回针动作后的剖视图。
图4为本发明一实施方式中的回针前的进针组件的结构示意图。
图5为本发明一实施方式中的助针器在完成回针动作后的立体结构示意图。
图6为本发明一实施方式中的第一壳体的示意图。
图7为本发明一实施方式中的按压部的结构示意图。
图8为本发明一实施方式中的针保持器的结构示意图。
图9为本发明一实施方式中的植入针的结构示意图。
图10为本发明一实施方式中的感应器组件的立体结构示意图。
图11为本发明一实施方式中的感应器组件的剖视图。
图12为本发明一实施方式中的第二壳体与感应器组件相互分离时的示意图。
图13为本发明一实施方式中的感应器组件与植入针之间的连接关系示意图。
图14为图13的剖视图。
图15为本发明一实施方式中的弹性接触开关处于断开状态时的示意图。
图16为本发明一实施方式中的具有弹性的导电件的结构示意图。
图17为本发明一实施方式中的弹性接触开关处于导通状态时的示意图。
图18为本发明另一实施方式中的弹性接触开关处于导通状态时的示意图。
图19为本发明另一实施方式中的医疗装置的整体结构示意图。
图20为图19所示的医疗装置的分解结构示意图。
图21为本发明又一实施方式中的医疗装置的整体结构示意图。
图22为图21所示的医疗装置的局部结构示意图。
其中，附图标记如下：第一壳体-100；凸棱-110；抱紧件-120；搭接台-130；滑轨-140；限位件-141；第一安装孔-150；安装柱-160；按压部-200；主体部-210；第一悬臂-220；第二安装孔-221；楞条-211；针保持器-300；植入针-310；第一卡接部-311；第二悬臂-312；沟槽-313；针柄-314；针体-315；固定座-320；连接部-321；第一卡槽-3211；导向柱-330；第二容置空间-340；第二壳体-400；第一安装座-410；基座-411；弹性卡爪-412；第一容置空间-413；搭接件-420；斜面-421；滑槽-430；第二安装座-440；第二卡接部-441；第一弹性件-500；第二弹性件-600；感应器组件-700；传感器-710；导电元件-711；引脚-712；发射器-720；底座-730；第二卡槽-731；通孔-732；电路板-740；接触面-750；弹性接触开关-760；导电件-761，761a，761b，761c，761d；连接板-7611，7611b；第一板体-76111；第二板体-76112；伸缩件-7612，7612b；套管-76121；第三弹性件-76122；接触端子-7613，7613b；保护罩-800；保护座-810；灭菌盒-900，盒体-910；盒盖-920。
具体实施方式
以下结合附图1至22和具体实施方式对本发明提出的用于经皮植入传感器的助针器及医疗装置作进一步详细说明。根据下面说明，本发明的优点和特征将更清楚。需要说明的是，附图采用非常简化的形式且均使用非精准的比例，仅用以方便、明晰地辅助说明本发明实施方式的目的。为了使本发明的目的、特征和优点能够更加明显易懂，请参阅附图。须知，本说明书所附图式所绘示的结构、比例、大小等，均仅用以配合说明书所揭示的内 容，以供熟悉此技术的人士了解与阅读，并非用以限定本发明实施的限定条件，任何结构的修饰、比例关系的改变或大小的调整，在与本发明所能产生的功效及所能达成的目的相同或近似的情况下，均应仍落在本发明所揭示的技术内容能涵盖的范围内。本文所公开的本发明的具体设计特征包括例如具体尺寸、方向、位置和外形将部分地由具体所要应用和使用的环境来确定。以及，在以下说明的实施方式中，有时在不同的附图之间共同使用同一附图标记来表示相同部分或具有相同功能的部分，而省略其重复说明。在本说明书中，使用相似的标号和字母表示类似项，因此，一旦某一项在一个附图中被定义，则在随后的附图中不需要对其进行进一步讨论。另外，如果本文所述的方法包括一系列步骤，且本文所呈现的这些步骤的顺序并非必须是可执行这些步骤的唯一顺序，且一些所述的步骤可被省略和/或一些本文未描述的其他步骤可被添加到该方法。
需要说明的是，在本文中，诸如第一和第二等之类的关系术语仅仅用来将一个实体或者操作与另一个实体或操作区分开来，而不一定要求或者暗示这些实体或操作之间存在任何这种实际的关系或者顺序。而且，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者设备不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者设备所固有的要素。在没有更多限制的情况下，由语句“包括一个……”限定的要素，并不排除在包括所述要素的过程、方法、物品或者设备中还存在另外的相同要素。单数形式“一”、“一个”以及“该”包括复数对象，术语“或”通常是以包括“和/或”的含义而进行使用的，术语“若干”通常是以包括“若干”的含义而进行使用的，术语“至少两个”通常是以包括“两个或两个以上”的含义而进行使用的，术语“多个”是以包括“两个或两个以上”的含义而进行使用的，此外，术语“第一”、“第二”、“第三”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。
在本发明的描述中，需要理解的是，术语“中心”、“纵向”、“横向”、“长度”、“宽度”、“厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”、“轴向”、“径向”、“周向”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。
在本发明的描述中，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”、“固定”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或成一体；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通或两个元件的相互作用关系。对于本领域的普通技术人员而言，可以具体情况理解上述术语在本发明中的具体含义。
在本发明中，除非另有明确的规定和限定，第一特征在第二特征之“上”或之“下”可以包括第一和第二特征直接接触，也可以包括第一和第二特征不是直接接触而是通过它们之间的另外的特征接触。而且，第一特征在第二特征“之上”、“上方”和“上面”包括第一特征在第二特征正上方和斜上方，或仅仅表示第一特征水平高度高于第二特征。第一特征在第二特征“之下”、“下方”和“下面”包括第一特征在第二特征正下方和斜下方，或仅仅表示第一特征水平高度小于第二特征。
本发明的核心思想在于提供一种用于经皮植入传感器的助针器及医疗装置，以解决现有的助针器结构复杂，成本高的问题。需要说明的是虽然本文是以所述助针器用于植入血糖浓度检测的传感器为例进行说明，但是如本领域技术人员所能理解的，所述助针器还可用于植入用于检测除血糖浓度以外的其它参数的传感器，本发明对此并不进行限定。此外，需要说明的是，本文中所称的远端是指远离目标对象的皮肤的一端，所称的近端是指靠近 目标对象的皮肤的一端。
请参考图1和图2，其中图1示意性地给出了本发明一实施方式提供的医疗装置的整体结构示意图，图2示意性地给出了图1所示的医疗装置在触发按压部前的剖视图。如图1和图2所示，所述医疗装置包括助针器和感应器组件700，所述感应器组件700包括相连的传感器710(参见图11)和发射器720(参见图11)，所述助针器用于将所述传感器710经皮植入目标对象皮下，所述发射器720接收所述传感器710的检测结果并将所述检测结果发送至一终端设备(图中未示出)。需要说明的是，如本领域技术人员所能理解的，所述终端设备可以为手机、计算机、平板电脑或接收器，所述发射器720与所述终端设备之间可通过现有技术中的通信方式进行数据传输，例如WiFi、蓝牙、NFC或RFID等。
具体地，如图2所示，所述助针器包括第一壳体100和进针组件，所述进针组件设置于所述第一壳体100的内部并且用于承载所述感应器组件700；所述第一壳体100上设有若干按压部200，在触发所述按压部200后，所述进针组件能够从远离所述第一壳体100的近端的位置移动至靠近所述第一壳体100的近端的位置，以将所述传感器710经皮植入目标对象皮下。由此，通过触发所述按压部200，可以使得所述进针组件能够从远端(即远离所述第一壳体100的近端的位置)移动至靠近所述第一壳体100的近端的位置，从而可以将携带有传感器710的感应器组件700运送至目标对象的皮肤表面，并将所述传感器710经皮植入目标对象皮下，以检测目标对象的血液中的血糖浓度等参数。
优选地，所述第一壳体100的外壁上设有防滑结构；所述防滑结构包括布置在所述第一壳体上的凸棱、凸点、凹坑或咬花中的一种或几种。由此，如图1所示，通过在所述第一壳体100的外壁上设置多个凸棱110，所述凸棱沿所述第一壳体周向设置，可以起到防滑的作用，更加便于使用。
请继续参考图2和图3，其中图3示意性地给出了本发明一实施方式提供的助针器在完成回针动作后的剖视图。如图2和图3所示，所述进针组件包括针保持器300和第二壳体400，所述针保持器300用于固定植入针310，所述第二壳体400的远端设有用于可释放地容纳所述针保持器300的第一安装座410，所述第二壳体400的近端用于与所述感应器组件700可拆卸式连接，当将所述传感器710经皮植入目标对象皮下后，所述针保持器300能够从所述第一安装座410内释放并朝向所述第一壳体100的远端所在位置移动。由于，所述针保持器300是可释放地容纳于所述第一安装座410内的，由此，当将所述传感器710经皮植入目标对象皮下后，所述针保持器300能够从所述第一安装座410内释放并朝向所述第一壳体100的远端所在位置移动，从而使得植入针310能够跟随所述针保持器300瞬间回弹至所述第一壳体100内，有效避免了尖锐的植入针310误伤操作者或其它人员。此外，由于所述感应器组件700是与所述第二壳体400可拆卸式连接的，由此当完成回针动作后，可以更加便于移除所述助针器，而使得所述感应器组件700能够滞留在目标对象皮肤上，以实现血糖浓度等参数的持续监测。综上可见，本发明提供的助针器不仅结构简单，成本较低，而且更加便于操作。
进一步地，如图2和图3所示，所述第一安装座410内设有沿其轴向设置的第一弹性件500，所述第一弹性件500的远端与所述针保持器300相连，所述第一弹性件500的近端与所述第一安装座410的近端相连，在所述进针组件靠近所述第一壳体100的近端位置之前，所述第一弹性件500处于压缩状态，以使得所述针保持器300能够被容纳在所述第一安装座410内，在所述进针组件靠近所述第一壳体100的近端位置之后，在所述第一弹性件500的作用下，所述针保持器300能够从所述第一安装座410内释放并朝向所述第一壳体100的远端所在位置移动。由此，在所述进针组件靠近所述第一壳体100的近端位置之后(即所述传感器710被植入目标对象的皮下后)，通过所述第一弹性件500的回弹力，可以驱动所述针保持器300从所述第一安装座410内释放出来并移动至靠近所述第一壳体 100的远端的位置，从而可以有效避免在移除助针器过程中和完成移除助阵器后，尖锐的植入针310误伤操作者或其它人员，提高本发明在使用过程中的安全性。
如图2和图3所示，所述第一弹性件500优选为弹簧，且所述第一弹性件500围绕所述植入针310设置，在所述进针组件靠近所述第一壳体100的近端位置之前，所述植入针310的近端穿出所述第一弹性件500。由此，通过采用弹簧作为所述第一弹性件500，可以进一步简化本发明提供的助针器的整体结构，有效降低成本。需要说明的是，如本领域技术人员所能理解的，所述第一弹性件500还可以为除弹簧以外的其它弹性元件，本发明对此并不进行限定。
更进一步地，请参考图2至图4，其中图4示意性地给出了本发明一实施方式中的回针前的进针组件的结构示意图。如图2至图4所示，所述第一安装座410包括中空的基座411以及多个(例如三个)沿所述基座411的轴向朝向所述第一壳体100的远端延伸设置的弹性卡爪412，所述基座411以及所述弹性卡爪412之间能够形成一用于容纳所述针保持器300和所述第一弹性件500的第一容置空间413，在所述进针组件靠近所述第一壳体100的近端位置之前，所述弹性卡爪412的远端能够与所述针保持器300的远端相抵接，以将所述针保持器300容纳在所述第一容置空间413内，在所述进针组件靠近所述第一壳体100的近端位置之后，在所述第一弹性件500的作用下，所述弹性卡爪412的远端能够与所述针保持器300相分离，以使得所述针保持器300能够从所述第一安装座410内释放并朝向所述第一壳体100的远端所在位置移动。需要说明的是，如本领域技术人员所能理解的，在其它一些实施方式中，所述第一安装座410也可以不包括基座411而仅包括多个弹性卡爪412，此时，所述第一容置空间413由所述多个弹性卡爪412围成。
具体地，所述第一弹性件500的回弹力大于所述多个弹性卡爪412的变形力，由此，在所述进针组件靠近所述第一壳体100的近端位置之前(即将所述传感器710植入目标对象的皮下之前)，在外力的作用下，所述弹性卡爪412对所述针保持器300的下压力能够与所述第一弹性件500的回弹力达到平衡，从而使得所述针保持器300能够被牢牢地固定在所述第一安装座410内；在所述进针组件靠近所述第一壳体100的近端位置之后(即将所述传感器710植入目标对象的皮下之后)，由于外力消失，在所述第一弹性件500的回弹力的作用下，所述针保持器300能够脱离所述弹性卡爪412的束缚，进而能够从所述第一安装座410内释放出来并朝向所述第一壳体100的远端所在位置移动。需要说明的是，虽然本文是以所述第一安装座410包括三个弹性卡爪412为例进行说明，但是如本领域技术人员所能理解的，在其它一些实施方式中，所述第一安装座410也可以包括两个、四个或更多个弹性卡爪412，甚至也可以是能够向四周回复形变的弹性臂，具体可以根据实际情况进行设置，本发明对此并不进行限定。
优选地，如图2和图3所示，所述第一壳体100的内部设有沿其轴向设置且中空的抱紧件120，在所述进针组件靠近所述第一壳体100的近端位置之前，所述抱紧件120能够套设在所述弹性卡爪412的外部以抱紧所述弹性卡爪412，在所述进针组件靠近所述第一壳体100的近端位置之后，所述抱紧件120能够与所述弹性卡爪412相分离，以使得所述弹性卡爪412的远端能够与所述针保持器300相分离，进而所述第一弹性件500使得所述针保持器300瞬间自动朝向所述第一壳体100的远端所在位置移动。由于在所述进针组件靠近所述第一壳体100的近端位置之前(即将所述传感器710植入目标对象的皮下之前)，所述抱紧件120能够套设在所述弹性卡爪412的外部，从而能够紧紧地束缚住所述弹性卡爪412，防止其发生变形，进而使得所述弹性卡爪412的远端能够与所述针保持器300相抵接，以将所述针保持器300容纳在所述第一安装座410内；而在所述进针组件靠近所述第一壳体100的近端位置之后(即将所述传感器710植入目标对象的皮下之后)，由于所述弹性卡爪412的远端移动至脱离所述抱紧件120，从而所述弹性卡爪412不再受到所述 抱紧件120的束缚，又由于此时所述第一弹性件500的回弹力是大于所述多个弹性卡爪412的变形力的，由此，在所述第一弹性件500的回弹力的作用下，所述弹性卡爪412能够向外发生弯曲或弹射，从而可以使得所述针保持器300能够脱离所述弹性卡爪412的束缚，以释放所述针保持器300。
请继续参考图2和图3，如图2和图3所示，所述第一壳体100的内部设有沿其轴向设置的第二弹性件600，所述第二弹性件600的远端与所述第一壳体100的远端相连，所述第二弹性件600的近端与所述第二壳体400相连，在触发所述按压部200前，所述第二弹性件600处于压缩状态，在触发所述按压部200后，在所述第二弹性件600的作用下，所述第二壳体400能够朝向所述第一壳体100的近端所在位置移动。由于在触发所述按压部200前，所述第二弹性件600处于压缩状态，由此，在触发所述按压部200后，在所述第二弹性件600的回弹力的作用下，能够使得所述第二壳体400能够更加平稳地朝向所述第一壳体100的近端移动，进一步使得本发明提供的助针器能够平稳、准确地将传感器710植入目标对象的皮下，提高了本发明提供的医疗装置在使用过程中的稳定性。
优选地，如图2和图3所示，所述第二弹性件600为一弹簧，且所述第二弹性件600围绕所述抱紧件120和所述第一安装座410设置。由此，通过采用弹簧作为所述第二弹性件600，可以进一步简化本发明提供的助针器的整体结构，有效降低成本。此外，由于所述第二弹性件600是围绕所述抱紧件120和所述第一安装座410设置的，由此，不仅可以充分利用所述助针器的内部空间，进一步简化本发明提供的助针器的整体结构，同时也可以进一步提高助针器在使用过程中的灵活性，有利于更加快速地将传感器710植入目标对象皮下。需要说明的是，如本领域技术人员所能理解的，所述第二弹性件600还可以为除弹簧以外的其它弹性件，本发明对此并不进行限定。
进一步地，如图2至图4所示，所述第二壳体400的远端设有若干搭接件420，所述第一壳体100的内壁上设有与所述搭接件420相配合的搭接台130，所述搭接台130靠近所述按压部200所在位置，在触发所述按压部200前，所述搭接件420搭接在所述搭接台130上，在触发所述按压部200后，所述搭接件420能够脱离所述搭接台130。由于所述搭接台130靠近所述按压部200所在位置，由此，当朝向所述第一壳体100的内部向内按压所述按压部200，以触发所述按压部200后，向内运动的按压部200能够推动所述搭接件420从所述搭接台130上脱离，从而使得所述第二壳体400能够相对于所述第一壳体100进行相对运动，进而使得所述进针组件能够从远离所述第一壳体100的近端的位置移动至靠近所述第一壳体100的近端的位置，以将所述传感器710植入目标对象皮下。
优选地，如图2至图4所示，所述第一壳体100上设有一对相对设置的按压部200，所述第二壳体400上设有一对搭接件420，所述搭接件420为弹性件，所述搭接件420与所述按压部200一一对应设置。由此，通过设置两组一一对应设置的按压部200和搭接件420，可以保证在触发所述按压部200前，所述进针组件能够牢牢地被固定在所述第一壳体100内。需要说明的是，虽然本文是以所述第一壳体100包括两个按压部200，所述第二壳体400上设置有两个搭接件420为例进行说明，但是如本领域技术人员所能理解的，在其它一些实施方式中，所述第一壳体100上也可以设置一个按压部200、三个按压部200或更多个按压部200，所述第二壳体400上对应设有一个搭接件420、三个搭接件420或更多个搭接件420，本发明对此并不进行限定。
进一步地，如图2至图4所示，所述搭接件420靠近所述按压部200的一侧设有斜面421。由此，此种设置，可以进一步方便将所述第二壳体400由所述第一壳体100的近端安入，便于装配组装。
优选地，请参考图4至图6，其中图5示意性地给出了本发明一实施方式提供的助针器在完成回针动作后的立体结构示意图，图6示意性地给出了本发明一实施方式提供的第 一壳体100的示意图。如图4至图6所示，所述第二壳体400的两侧分别设有沿所述第二壳体400的轴向延伸的滑槽430，且所述滑槽430贯通所述第二壳体400的近端和远端，所述第一壳体100的内壁上设有与所述滑槽430相配合的滑轨140。由此，通过在所述第二壳体400的两侧设置滑槽430，在所述第一壳体100的内壁上设置滑轨140，可以保证在触发所述按压部200后，所述滑槽430能够沿着所述滑轨140滑动，进而保证所述进针组件能够平稳地从远离所述第一壳体100的近端的位置移动至靠近所述第一壳体100的近端的位置，从而使得本发明提供的助针器能够平稳、准确地将传感器710植入目标对象的皮下，提高了本发明提供的医疗装置在使用过程中的稳定性。
进一步地，如图5所示，所述滑轨140的近端设有限位件141。由此，当所述进针组件移动至靠近所述第一壳体100的近端的位置时，在所述限位件141的作用下，可以防止所述进针组件进一步下移而与所述第一壳体100相脱离，从而可以保证在完成回针动作后，更加便于将所述助针器从目标对象皮肤上撤除。此外，由于所述限位件141可以防止所述进针组件从所述第一壳体100中脱离出来，从而可以防止因所述第二壳体400与所述第一壳体100相脱离而暴露出植入针310，进一步减少了植入针310的误伤风险。
请继续参考图6和图7，其中图7示意性地给出了本发明一实施方式提供的按压部200的结构示意图。如图6和图7所示，所述按压部200包括主体部210以及设置于所述主体部210的两侧的第一悬臂220，所述第一悬臂220沿所述主体部210的长度方向向外延伸，所述第一悬臂220与所述第一壳体100的内壁相连，所述第一壳体100上设有与所述主体部210对应设置的第一安装孔150，所述主体部210安装于所述第一安装孔150内，所述主体部210能够在所述第一安装孔150内往复移动。由此，通过所述第一悬臂220能够更加简便地通过焊接或其它连接方式将所述按压部200固定在所述第一壳体100上，有效防止在按压所述按压部200时，所述按压部200脱离所述第一壳体100。需要说明的是，如本领域技术人员所能理解的，所述第一悬臂220具有一定的弹性，由此，操作者的手离开所述按压部200时，所述按压部200能够顺利恢复至初始形态。
优选地，如图7所示，所述第一悬臂220呈弧形设置，所述第一悬臂220远离所述主体部210的一侧设有第二安装孔221，所述第一壳体100的内壁上设有与所述第二安装孔221相配合的安装柱160。由于所述第一悬臂220呈弧形设置，由此可以更加便于在外力撤出时，所述按压部200能够顺利恢复至初始形态。此外，由于所述第一悬臂220的一侧设有第二安装孔221，所述第一壳体100的内壁上设有安装柱160，由此，可以通过焊接或其它连接方式，将所述第二安装孔221能够牢牢地套设在所述安装柱160上，以将所述按压部200固定在所述第一壳体100上。
优选地，如图7所示，所述主体部210为中空结构，且所述主体部210靠近所述第一壳体100的内壁的一侧设有开口，所述主体部210的内壁上设有多个沿其轴向设置的楞条211。由此，通过将所述主体部210设置为中空结构，可以减轻所述按压部200的重量，进一步降低成本。由于所述主体部210靠近所述第一壳体100的内壁的一侧设有开口，由此，不仅可以进一步降低成本，同时也可以更加便于所述搭接台130的设置。此外，由于所述主体部210的内壁上设有多个楞条211，由此，通过所述楞条211可以对所述主体部210起到加强作用，提高所述按压部200的整体结构的稳定性。
请继续参考图8，其示意性地给出了本发明一实施方式提供的针保持器300的结构示意图。如图8所示，所述针保持器300包括固定座320以及多个沿所述固定座320的轴向朝向所述第一壳体100的近端延伸设置的导向柱330，所述固定座320的近端设有开口，所述固定座320的内部设有沿其轴向设置的连接部321，所述植入针310的远端设有若干(例如两个)第一卡接部311，所述连接部321上设有与所述第一卡接部311相配合的第一卡槽3211。由此，可以通过将所述第一卡接部311卡入所述第一卡槽3211内，以更加 简便地将所述植入针310固定在所述针保持器300内。此外，如图2和图8所示，所述固定座320和所述导向柱330之间还可以形成一用于容纳所述第一弹性件500的第二容置空间340，由此，不仅可以进一步充分利用所述助针器的内部体积，进一步简化本发明提供的助针器的整体结构，同时也更加便于所述第一弹性件500的安装。需要说明的是，虽然本文是以所述植入针310包括两个第一卡接部311，所述连接部321包括两个第一卡槽3211为例进行说明，但是如本领域技术人员所能理解的，在其它一些实施方式中，所述植入针310可以包括一个第一卡接部311、三个第一卡接部311或更多个第一卡接部311，所述连接部321上对应设有一个第一卡槽3211、三个第一卡槽3211或更多个第一卡槽3211，本发明对此并不进行限定。
进一步地，请参考图9，其示意性地给出了本发明一实施方式提供的植入针310的结构示意图。如图9所示，所述植入针310的远端设有若干(例如两个)第二悬臂312，所述第二悬臂312沿所述植入针310的轴向向外延伸，所述第一卡接部311设于所述第二悬臂312的远端上。由于所述第二悬臂312具有一定的弹性，由此，通过设置第二悬臂312，并将所述第一卡接部311设于所述第二悬臂312上，可以更加便于将所述第一卡接部311卡入所述第一卡槽3211内，从而更加便于所述助针器的组装。
请继续参考图2、图10和图11，其中图10示意性地给出了本发明一实施方式提供的感应器组件700的结构示意图，图11示意性地给出了本发明一实施方式提供的感应器组件700的剖视图。如图2、图10和图11所示，所述感应器组件700还包括底座730、传感器710和发射器720，所述传感器710和所述发射器720安装于所述底座730上，所述第二壳体400的近端设有用于可释放地容纳所述底座730的第二安装座440，所述底座730与所述第二安装座440可拆卸式连接。由此，通过将所述传感器710和所述发射器720集成于同一底座730上，可以简化所述感应器组件700的结构，从而可以进一步简化本发明提供的医疗装置的整体结构。此外，由于所述第二壳体400上设有第二安装座440，由此，可以通过将所述底座730安装于所述第二安装座440内，以将所述感应器组件700安装于所述助针器内。另外，由于所述底座730与所述第二安装座440是可拆卸式连接的，由此可以更加便于在将所述传感器710植入目标对象的皮下后，将所述助针器与所述感应器组件700相分离，以撤除所述助针器，而将所述感应器组件700滞留在目标对象皮肤上，从而进行血糖浓度等参数的持续监测。
具体地，如图11所示，所述感应器组件700上设有电路板740，所述传感器710和所述发射器720均与所述电路板740电连接。由此，通过所述电路板740，可以将传感器710检测到的数据传输至所述发射器720，以通过所述发射器720将检测到的数据发送至外部的终端设备。更具体地，所述传感器710上设有导电元件711，由此，通过所述导电元件711可以将所述传感器710与所述电路板740进行电气连接。需要说明的是，如本领域技术人员所能理解的，所述底座730上还设有电池，由此，通过所述电池可以为所述传感器710和所述发射器720进行供电。
进一步地，请参考图12，其示意性地给出了本发明一实施方式提供的第二壳体400与感应器组件700相互分离时的示意图(植入针未示出)。如图12所示，所述底座730的外周上设有若干第二卡槽731，所述第二安装座440的内壁上设有与所述第二卡槽731相配合的第二卡接部441。由此，当所述第二卡接部441卡入所述第二卡槽731时，所述感应器组件700能够稳固地固定在所述第二壳体400上，从而使得所述助针器能够在所述进针组件朝向所述第一壳体100的近端移动的过程中，顺利将所述感应器组件700输送至目标对象的皮肤上，以将所述传感器710植入目标对象皮下；当通过外力，使得所述第二卡接部441脱离所述第二卡槽731时，能够顺利使得所述感应器组件700与所述第二壳体400相分离，从而能够顺利撤除所述助针器，而将所述感应器组件700滞留在目标对象皮肤上， 可见，通过相互配合的第二卡槽731和第二卡接部441，能够顺利实现所述助针器与所述感应器组件700之间的可拆卸式连接。
优选地，如图10和图12所示，所述底座730的近端沿其周向设有向外延伸的用于接触目标对象皮肤的接触面750，所述接触面750上设有胶贴。由此，通过在所述接触面750上设置胶贴，可以使得在将所述感应器组件700输送至靠近目标对象的皮肤处的位置后，所述感应器组件700能够被牢固地粘贴在目标对象的皮肤上。在移除所述助针器时，由于所述胶贴对皮肤的粘贴力大于所述第二卡接部441对所述感应器组件700的保持力，从而使得在移除所述助针器后，所述感应器组件700能够被滞留在目标对象的皮肤上。此外，由于所述接触面750是相对于所述底座730向外延伸设置的，由此可以有效增大所述接触面750的面积，进一步提高所述胶贴与目标对象皮肤之间的粘贴力。需要说明的是，如本领域技术人员所能理解的，在其它一些实施方式中，还可以采用其它任何的常见的方式将感应器组件700附接到目标对象的皮肤上。
进一步地，请参考图9、图10、图13和图14，其中图13示意性地给出了本发明一实施方式提供的感应器组件700与植入针310之间的连接关系示意图，图14为图13的剖视图。如图9、图10、图13和图14所示，所述底座730上设有用于供所述植入针310穿过的通孔732，所述传感器710的近端设有引脚712，所述引脚712穿出至所述通孔732，所述植入针310沿其轴向设有用于包裹住所述引脚712的沟槽313。由此，当所述进针组件移动至靠近所述第一壳体100的近端的位置时，在所述植入针310的作用下，所述引脚712的近端能够顺利被植入目标对象皮下，以进行血糖浓度等参数的采集。
优选地，如图10和图13所示，所述通孔732内设有弹性接触开关760，当所述针保持器300被固定在所述第一安装座410内时，所述弹性接触开关760处于断开状态，当所述针保持器300从所述第一安装座410内释放并移动至靠近所述第一壳体100的远端的位置时，所述弹性接触开关760处于导通状态。由此，通过设置弹性接触开关760，无需在所述感应器组件700上设置额外开关，也无需进行软件操作控制，就能实现在完成回针动作后，感应器组件700自动开启传输信号的功能，避免在出厂储存过程中发生耗电，从而不仅可以进一步简化感应器组件700的结构，使得感应器组件700的尺寸更小，更加便于感应器组件700的佩戴，同时也可以进一步减少操作步骤，更加便于操作和保证感应器组件700的使用寿命。
具体地，请参考图15，其示意性地给出了本发明一实施方式提供的弹性接触开关760处于断开状态时的示意图。如图15所示，所述弹性接触开关760包括一对相对设置的导电件761，两所述导电件761中的至少一者具有弹性，所述植入针310包括相连的针柄314和针体315，所述针柄314的材质为绝缘材料，当所述针保持器300被容纳在所述第一安装座410内时，其中一所述导电件761与所述针柄314的一侧相抵接，另一所述导电件761与所述针柄314的另一侧相抵接，以使得所述弹性接触开关760处于断开状态，当所述针保持器300从所述第一安装座410内释放并移动至靠近所述第一壳体100的远端的位置时，两所述导电件761能够相互接触，以使得所述弹性接触开关760处于导通状态。由此，当所述针保持器300被容纳在所述第一安装座410内时，由于两所述导电件761被绝缘的针柄314所隔开(具有弹性的导电件761处于压缩状态)，从而能够使得所述弹性接触开关760处于断开状态，此时，所述感应器组件700中的电路未被接通，发射器720和传感器710不能进行工作；当所述针保持器300从所述第一安装座410内释放并移动至靠近所述第一壳体100的远端的位置时(即完成回针动作后)，所述植入针310从所述感应器组件700中退出，从而在弹性力的作用下，两所述导电件761能够相互接触，从而使得所述弹性接触开关760处于导通状态，此时，所述引脚712的近端被顺利植入目标对象皮下，所述感应器组件700中的电路被接通，所述发射器720和所述传感器710开始进行工作。
请继续参考图16，其示意性地给出了本发明第一种实施方式提供的具有弹性的导电件761的结构示意图。如图16所示，在本实施方式中，具有弹性的所述导电件761包括连接板7611、伸缩件7612和接触端子7613，所述伸缩件7612固定于所述连接板7611上，所述接触端子7613与所述伸缩件7612的远离所述连接板7611的一端相连，在所述伸缩件7612的作用下，所述接触端子7613能够朝远离所述连接板7611的方向移动。具体地，当所述植入针310从所述感应器组件700中退出后，在所述伸缩件7612的作用下，所述导电件761的接触端子7613能够朝远离所述连接板7611的方向移动，直至此导电件761与另一个导电件761相接触，以使得所述弹性接触开关760导通。
进一步地，如图16所示，所述伸缩件7612包括中空的套管76121和设置于所述套管76121内的第三弹性件76122，所述套管76121固定于所述连接板7611上，所述第三弹性件76122的一端与所述套管76121相连，所述第三弹性件76122的另一端与所述接触端子7613相连。当所述针保持器300被固定在所述第一安装座410内时，所述第三弹性件76122处于压缩状态；当所述植入针310从所述感应器组件700中退出后，在所述第三弹性件76122的回弹力的作用下，所述接触端子7613能够朝向远离所述连接板7611的位置移动。优选地，所述第三弹性件76122为弹簧，由此，通过采用弹簧作为第三弹性件76122，可以进一步简化所述感应器组件700的结构，有效降低成本。需要说明的是，如本领域技术人员所能理解的，在其它一些实施方式中，所述伸缩件7612也可以不包括套管76121而只包括第三弹性件76122，此时所述第三弹性件76122的一端与所述连接板7611相连，另一端与所述接触端子7613相连，选用具有导电性能的第三弹性件76122即可实现接触端子7613与连接板7611间的电传导。
更进一步地，如图16所示，所述连接板7611包括相连的第一板体76111和第二板体76112，其中所述第一板体76111沿所述通孔732的径向设置，所述第二板体76112沿所述通孔732的轴向设置，所述伸缩件7612安装于所述第二板体76112的远离所述第一板体76111的一侧上。由此，此种设置，可以更加便于所述导电件761的安装。
请继续参考图17，其示意性地给出了本发明一实施方式提供的弹性接触开关760处于导通状态时的示意图。如图17所示，在本实施方式中，所述弹性接触开关760包括导电件761a和导电件761b，其中所述导电件761a不具有弹性，即在完成回针动作后，所述导电件761a保持不动，所述导电件761b具有弹性，即在完成回针动作后，所述导电件761b能够靠近所述导电件761a，并与所述导电件761a相接触，以使得所述弹性接触开关760导通。具体地，如图17所示，在本实施方式中，所述导电件761b包括连接板7611b、伸缩件7612b和接触端子7613b，本实施方式提供的具有弹性的导电件761b与上一种实施方式提供的具有弹性的导电件761相比，其区别在于，在本实施方式中，所述伸缩件7612b和所述接触端子7613b为一体式结构，所述伸缩件7612b为一倾斜设置的弹片，所述接触端子7613b为所述伸缩件7612b的远离所述连接板7611b的一端弯曲形成。由于所述伸缩件7612b和所述接触端子7613b为一体式结构，由此可以进一步简化所述感应器组件700的结构，有效降低成本。
请继续参考图18，其示意性地给出了本发明另一实施方式提供的弹性接触开关760处于导通状态时的示意图。如图18所示，在本实施方式中，所述弹性接触开关760包括导电件761c和导电件761d。本实施方式提供的弹性接触开关760与上一种实施方式提供的弹性接触开关760相比，其区别在于，在本实施方式中，所述导电件761c和导电件761d均具有弹性，且所述导电件761c和导电件761d的结构与上一实施方式中的导电件761b的结构类似，故再此不再进行赘述。
请继续参考图19和图20，其中图19示意性地给出了本发明另一实施方式提供的医疗装置的整体结构示意图；图20示意性地给出了图19所示的医疗装置的分解结构示意图。 如图19和图20所示，所述医疗装置还包括保护罩800，所述感应器组件700和所述进针组件封装在所述第一壳体100和所述保护罩800合围形成的空间内，所述保护罩800可拆卸式安装于所述第一壳体100的近端。由此，通过设置所述保护罩800，可以将所述感应器组件700和所述进针组件封闭于所述第一壳体100的内部，不仅可以有效避免在使用所述医疗装置之前，所述进针组件和所述感应器组件700被污染，同时也可以有效避免在拆除所述保护罩800之前，因误触发所述按压部200，而导致尖锐的植入针310误伤操作者或其它人员。需要说明的是，如本领域技术人员所能理解的，在拆除所述保护罩800之前，在所述保护罩800的作用下，按压所述按压部200时，将不会引起导致所述进针组件从远离所述第一壳体的近端的位置移动至靠近所述第一壳体的近端的位置；只有将所述保护罩800取下，才能够通过按压所述按压部200，以使得所述进针组件从远离所述第一壳体100的近端的位置移动至靠近所述第一壳体100的近端的位置，以将所述传感器710经皮植入目标对象皮下。此外，需要说明的是，如本领域技术人员所能理解的，可以采取卡接式的可拆卸式连接方式或者其它现有技术中常用的可拆卸式连接方式，实现所述保护罩800和所述第一壳体100之间的可拆卸式连接，本发明对此并不进行限定。
进一步地，如图19和图20所示，当所述感应器组件700的接触面750上设有胶贴时，胶贴的离型膜与所述保护罩800的远端相配合，该配合方式可以是通过双面胶实现，也可以是通过机械连接的方式实现。由此，通过所述离型膜，可以对所述胶贴起到保护作用，保证所述胶贴的有效性。在向外拉动所述保护罩800时，可以使得所述离型膜能够跟随所述保护罩800一起运动，从而使得所述离型膜能够与所述胶贴相分离。
更进一步地，如图19和图20所示，所述保护罩800上设有与所述植入针310对应设置的保护座810。由此，当将所述保护罩800安装于所述第一壳体100的内部时，包裹住所述引脚712的植入针310能够插入所述保护座810内，从而对所述植入针310和所述引脚712起到密封作用，有效防止尖锐的植入针310误伤操作者或者其他人员。
请继续参考图21和图22，其中图21示意性地给出了本发明又一实施方式提供的医疗装置的整体结构示意图；图22示意性地给出了图21所示的医疗装置的局部结构示意图(去除盒盖后的结构示意图)。如图21和图22所示，所述医疗装置还包括灭菌盒900，所述感应器组件700和所述助针器整体经灭菌处理并安装于所述灭菌盒内。由此，通过在所述第一壳体100的外部罩设所述灭菌盒900，可以使得所述医疗装置在使用前，所述进针组件、所述感应器组件700等部件能够处于无菌环境中，进一步防止所述进针组件、所述感应器组件700等部件被污染。具体地，如图21和图22所示，所述灭菌盒900包括盒体910和盖设于所述盒体910上的盒盖920，当将所述盒盖920打开(即将盒盖920去除)时，即可将位于所述盒体910内的助针器和感应器组件700取出，不需要再进行组装，即可执行相应操作，将所述传感器710经皮植入目标对象皮下，方便快捷，且极大的避免了经皮植入过程中的污染问题。此外，需要说明的是，如本领域技术人员所能理解的，也可采取仅将感应器组件700的一部分(至少包括传感器710)与助针器进行组装，并安装在灭菌盒900内，完成经皮植入后，再将传感器710与感应器组件700的其他部分(如发射器720)组装，进行对目标对象的血液中的血糖浓度等参数的检测，本发明对此并不进行限定。
综上所述，与现有技术相比，本发明提供的用于经皮植入传感器的助针器及医疗装置具有以下优点：由于本发明提供的助针器包括第一壳体和进针组件，所述进针组件设置于所述第一壳体的内部并且用于承载包括所述传感器的感应器组件；所述进针组件包括针保持器和第二壳体，所述针保持器用于固定植入针，所述第二壳体的远端设有用于可释放地容纳所述针保持器的第一安装座，所述第二壳体的近端用于与所述感应器组件可拆卸式连接；所述第一安装座连接有沿所述第一壳体轴向设置的第一弹性件，所述第一弹性件的远 端与所述针保持器相连，所述第一弹性件的近端与所述第一安装座的近端相连；所述第一安装座包括多个弹性卡爪，多个所述弹性卡爪之间能够形成用于容纳所述针保持器和所述第一弹性件的第一容置空间；所述第一壳体包括抱紧件和按压部，所述抱紧件设于所述第一壳体的内部且沿所述第一壳体的轴向设置，在所述进针组件靠近所述第一壳体的近端位置之前，所述抱紧件能够套设在所述弹性卡爪的外部以抱紧所述弹性卡爪；在触发所述按压部后，所述进针组件朝向靠近所述第一壳体的近端位置方向移动，以将所述传感器经皮植入目标对象皮下，直至所述抱紧件能够与所述弹性卡爪相分离，以使得所述弹性卡爪的远端能够与所述针保持器分离，进而所述第一弹性件使得所述针保持器瞬间自动朝向所述第一壳体的远端所在位置移动。由此，通过触发所述按压部，可以使得所述进针组件能够从远离所述第一壳体的近端的位置移动至靠近所述第一壳体的近端的位置，从而可以将携带有传感器的感应器组件运送至目标对象的皮肤表面，并将所述传感器经皮植入目标对象皮下，以检测目标对象的血液中的血糖浓度等参数。由于所述针保持器是可释放地容纳于所述第一安装座内的，由此，当将所述传感器经皮植入目标对象皮下后，所述抱紧件能与所述弹性卡爪相分离，从而使得所述弹性卡爪的远端能够与所述针保持器分离开来，进而使得所述针保持器能够在所述第一弹性件的回弹力的作用下，瞬间自动朝向所述第一壳体的远端所在位置移动，从而使得植入针能够跟随所述针保持器瞬间回弹至所述第一壳体内，有效避免了尖锐的植入针误伤操作者或其它人员。综上可见，本发明提供的助针器不仅结构简单，成本较低，而且更加便于操作。由于本发明提供的医疗装置包括上文所述的助针器，由此，其具有上文所述的医疗装置的所有优点，故对此不再进行赘述。
此外，在本说明书的描述中，参考术语“一个实施方式”、“一些实施方式”、“示例”、“具体示例”、或“一些示例”等的描述意指结合该实施方式或示例描述的具体特征、结构、材料或者特点包含于本发明的若干实施方式或示例中。在本说明书中，对上述术语的示意性表述不必须针对的是相同的实施方式或示例。而且，描述的具体特征、结构、材料或者特点可以在任一个或多个实施方式或示例中以合适的方式结合。此外，在不相互矛盾的情况下，本领域的技术人员可以将本说明书中描述的不同实施方式或示例以及不同实施方式或示例的特征进行结合和组合。
上述描述仅是对本发明较佳实施方式的描述，并非对本发明范围的任何限定，本发明领域的普通技术人员根据上述揭示内容做的任何变更、修饰，均属于本发明的保护范围。显然，本领域的技术人员可以对发明进行各种改动和变型而不脱离本发明的精神和范围。这样，倘若这些修改和变型属于本发明及其等同技术的范围之内，则本发明也意图包括这些改动和变型在内。

Claims (26)

  1. 一种用于经皮植入传感器的助针器，其特征在于，所述助针器包括第一壳体和进针组件，所述进针组件设置于所述第一壳体的内部并且用于承载包括所述传感器的感应器组件；
    所述进针组件包括针保持器和第二壳体，所述针保持器用于固定植入针，所述第二壳体的远端设有用于可释放地容纳所述针保持器的第一安装座，所述第二壳体的近端用于与所述感应器组件可拆卸式连接；
    所述第一安装座连接有沿所述第一壳体轴向设置的第一弹性件，所述第一弹性件的远端与所述针保持器相连，所述第一弹性件的近端与所述第一安装座的近端相连；
    所述第一安装座包括多个弹性卡爪，多个所述弹性卡爪之间能够形成用于容纳所述针保持器和所述第一弹性件的第一容置空间；
    所述第一壳体包括抱紧件和按压部，所述抱紧件设于所述第一壳体的内部且沿所述第一壳体的轴向设置，在所述进针组件靠近所述第一壳体的近端位置之前，所述抱紧件能够套设在所述弹性卡爪的外部以抱紧所述弹性卡爪；在触发所述按压部后，所述进针组件朝向靠近所述第一壳体的近端位置方向移动，以将所述传感器经皮植入目标对象皮下，直至所述抱紧件能够与所述弹性卡爪相分离，以使得所述弹性卡爪的远端能够与所述针保持器分离，进而所述第一弹性件使得所述针保持器瞬间自动朝向所述第一壳体的远端所在位置移动。
  2. 根据权利要求1所述的助针器，其特征在于，在所述进针组件靠近所述第一壳体的近端位置之前，所述第一弹性件处于压缩状态，以使得所述针保持器能够被容纳在所述第一安装座内；
    在所述进针组件靠近所述第一壳体的近端位置之后，在所述第一弹性件的作用下，所述针保持器能够从所述第一安装座内释放并朝向所述第一壳体的远端所在位置移动。
  3. 根据权利要求2所述的助针器，其特征在于，所述第一安装座还包括基座，所述多个弹性卡爪沿所述基座的轴向朝向所述第一壳体的远端延伸设置，所述基座以及所述弹性卡爪之间能够形成所述第一容置空间；
    在所述进针组件靠近所述第一壳体的近端位置之前，所述弹性卡爪的远端能够与所述针保持器的远端相抵接，以将所述针保持器固定在所述第一容置空间内；
    在所述进针组件靠近所述第一壳体的近端位置之后，所述针保持器在所述第一弹性件的作用下，所述弹性卡爪的远端能够与所述针保持器相分离，以使得所述针保持器能够从所述第一安装座内释放并朝向所述第一壳体的远端所在位置移动。
  4. 根据权利要求1所述的助针器，其特征在于，所述第一壳体的内部设有沿其轴向设置的第二弹性件，所述第二弹性件的远端与所述第一壳体的远端相连，所述第二弹性件的近端与所述第二壳体相连；
    在触发所述按压部前，所述第二弹性件处于压缩状态；
    在触发所述按压部后，在所述第二弹性件的作用下，所述第二壳体能够朝向所述第一壳体的近端所在位置移动。
  5. 根据权利要求1所述的助针器，其特征在于，所述第二壳体的远端设有若干搭接件，所述第一壳体的内壁上设有与所述搭接件相配合的搭接台，所述搭接台靠近所述按压部所在位置；
    在触发所述按压部前，所述搭接件搭接在所述搭接台上；
    在触发所述按压部后，所述搭接件能够脱离所述搭接台。
  6. 根据权利要求1所述的助针器，其特征在于，所述第二壳体设有沿所述第一壳体的 轴向贯穿所述第二壳体的近端和远端的滑槽，所述第一壳体的内壁上设有与所述滑槽相配合的滑轨，所述滑轨的近端设有限位件。
  7. 根据权利要求1所述的助针器，其特征在于，所述按压部包括主体部以及设置于所述主体部的两侧的第一悬臂，所述第一悬臂沿所述主体部向外延伸，所述第一悬臂与所述第一壳体的内壁相连，所述第一壳体上设有与所述主体部对应设置的第一安装孔，所述主体部安装于所述第一安装孔内，所述主体部能够在所述第一安装孔内往复移动，所述第一悬臂呈弧形设置，所述第一悬臂远离所述主体部的一侧设有第二安装孔，所述第一壳体的内壁上设有与所述第二安装孔相配合的安装柱。
  8. 根据权利要求1所述的助针器，其特征在于，所述针保持器包括固定座以及多个沿所述固定座的轴向朝向所述第一壳体的近端延伸设置的导向柱，所述固定座和所述导向柱之间形成一用于容纳所述第一弹性件的第二容置空间，所述固定座的近端设有开口，所述固定座的内部设有沿其轴向设置的连接部，所述植入针的远端设有若干第一卡接部，所述连接部上设有与所述第一卡接部相配合的第一卡槽。
  9. 根据权利要求8所述的助针器，其特征在于，所述植入针的远端设有若干第二悬臂，所述第二悬臂沿所述植入针的轴向向外延伸，所述第一卡接部设于所述第二悬臂的远端上。
  10. 根据权利要求1所述的助针器，其特征在于，所述第一壳体的外壁上设有防滑结构；
    所述防滑结构包括布置在所述第一壳体上的凸棱、凸点、凹坑或咬花中的一种或几种。
  11. 一种医疗装置，其特征在于，包括感应器组件和权利要求1至10中任一项所述的助针器，所述感应器组件包括相连的传感器和发射器，当所述传感器经皮植入目标对象皮下后，所述发射器能够接收所述传感器的检测结果并将所述检测结果发送出去。
  12. 根据权利要求11所述的医疗装置，其特征在于，所述感应器组件还包括底座，所述传感器和所述发射器安装于所述底座上，所述第二壳体的近端设有用于可释放地容纳所述底座的第二安装座，所述底座与所述第二安装座可拆卸式连接。
  13. 根据权利要求12所述的医疗装置，其特征在于，所述底座的外周上设有若干第二卡槽，所述第二安装座的内壁上设有与所述第二卡槽相配合的第二卡接部。
  14. 根据权利要求12所述的医疗装置，其特征在于，所述底座的近端沿其周向设有向外延伸的用于接触目标对象皮肤的接触面，所述接触面上设有胶贴。
  15. 根据权利要求13所述的医疗装置，其特征在于，所述底座上设有用于供所述植入针穿过的通孔，所述传感器的近端设有引脚，所述引脚穿出至所述通孔，所述植入针沿其轴向设有用于包裹住所述引脚的沟槽。
  16. 根据权利要求11所述的医疗装置，其特征在于，所述感应器组件上设有用于供所述助针器的植入针穿过的通孔，所述通孔内设有弹性接触开关，当所述针保持器被容纳在所述第一安装座内时，所述弹性接触开关处于断开状态，当所述针保持器从所述第一安装座内释放并移动至靠近所述第一壳体的远端的位置时，所述弹性接触开关处于导通状态。
  17. 一种医疗装置，其特征在于，包括感应器组件和助针器，所述感应器组件包括传感器和发射器；
    所述感应器组件上设有通孔，所述传感器的近端设有引脚，所述引脚穿出至所述通孔；
    所述助针器包括第一壳体和设置于所述第一壳体内部的进针组件，所述进针组件用于承载所述感应器组件，所述进针组件包括用于穿过所述通孔的植入针，所述植入针沿其轴向设有用于包裹住所述引脚的至少一部分的沟槽，所述植入针在将所述引脚经皮植入目标对象皮下后自动回弹至所述第一壳体内；
    所述通孔内还设有弹性接触开关，当所述植入针回弹至所述第一壳体内时，所述弹性接触开关由断开状态变为导通状态，以使所述发射器能够接收所述传感器的检测结果并将 所述检测结果发送出去。
  18. 根据权利要求17所述的医疗装置，其特征在于，所述进针组件包括针保持器和第二壳体，所述针保持器用于固定所述植入针；
    所述第二壳体的远端设有用于可释放地容纳所述针保持器的第一安装座，所述第二壳体的近端用于与所述感应器组件可拆卸式连接，当将所述引脚经皮植入目标对象皮下后，所述针保持器能够从所述第一安装座内释放并朝向所述第一壳体的远端所在位置移动，以使所述植入针瞬间自动回弹至所述第一壳体内。
  19. 根据权利要求18所述的医疗装置，其特征在于，所述弹性接触开关包括一对相对设置的导电件，两所述导电件中的至少一者具有弹性，所述植入针包括相连的针柄和针体，所述针柄的材质为绝缘材料，当所述针保持器被容纳在所述第一安装座内时，其中一所述导电件与所述针柄的一侧相抵接，另一所述导电件与所述针柄的另一侧相抵接，以使得所述弹性接触开关处于断开状态，当所述针保持器从所述第一安装座内释放并移动至靠近所述第一壳体的远端的位置时，两所述导电件能够相互接触，以使得所述弹性接触开关处于导通状态。
  20. 根据权利要求19所述的医疗装置，其特征在于，具有弹性的所述导电件包括连接板、伸缩件和接触端子，所述伸缩件固定于所述连接板上，所述接触端子与所述伸缩件的远离所述连接板的一端相连，在所述伸缩件的作用下，所述接触端子能够朝向远离所述连接板的位置移动直至与另一个导电件相接触，以使得所述弹性接触开关导通。
  21. 根据权利要求20所述的医疗装置，其特征在于，所述伸缩件包括中空的套管和设置于所述套管内的第三弹性件，所述套管固定于所述连接板上，所述第三弹性件的一端与所述套管相连，所述第三弹性件的另一端与所述接触端子相连。
  22. 根据权利要求20所述的医疗装置，其特征在于，所述连接板包括相连的第一板体和第二板体，所述第一板体沿所述通孔的径向设置，所述第二板体沿所述通孔的轴向设置，所述伸缩件安装于所述第二板体的远离所述第一板体的一侧上。
  23. 根据权利要求20所述的医疗装置，其特征在于，所述伸缩件和所述接触端子为一体式结构，其中，所述伸缩件为一倾斜设置的弹片，所述接触端子为所述伸缩件的远离所述连接板的一端弯曲形成。
  24. 根据权利要求17所述的医疗装置，其特征在于，所述感应器组件的近端沿其周向设有向外延伸的用于接触目标对象皮肤的接触面，所述接触面上设有胶贴。
  25. 根据权利要求24所述的医疗装置，其特征在于，所述医疗装置还包括保护罩，所述感应器组件和所述进针组件封装在所述第一壳体和所述保护罩合围形成的空间内，所述保护罩可拆卸式安装于所述第一壳体的近端，所述保护罩的远端设有与所述胶贴相配合的离型膜。
  26. 根据权利要求17至25中任一项所述的医疗装置，其特征在于，所述医疗装置还包括灭菌盒，所述感应器组件和所述助针器经灭菌处理并安装于所述灭菌盒内。
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