CN210541657U

CN210541657U - Implant instrument prevents reutilization structure and implant instrument for implanted sensor

Info

Publication number: CN210541657U
Application number: CN201920618090.9U
Authority: CN
Inventors: 周振; 陈建树; 胡峰; 高飞
Original assignee: Sinocare Inc
Current assignee: Sinocare Inc
Priority date: 2019-04-30
Filing date: 2019-04-30
Publication date: 2020-05-19
Anticipated expiration: 2029-04-30

Abstract

The utility model discloses implant instrument prevents reutilization structure compares with prior art, includes: a first restraint arm disposed within the support body of the implantation tool; the second constraint arm is arranged on the implantation tool ejection base; the needle head seat is arranged above the ejection base; the needle withdrawing spring is arranged on the needle head seat and the ejection base; the needle withdrawing spring is used for pushing the needle head seat to move upwards; the second constraint arm can move up and down along the first constraint arm along with the ejection base; the first constraint arm is used for constraining the second constraint arm to evert; the second constraint arm is provided with a limit bump for constraining the needle head seat to move upwards. The application provides an implant instrument prevents reutilization structure, it can overcome implant instrument and implant the problem that the needle constitutes accidental injury easily to the human body after using, and can prevent to appear implanting the insanitary phenomenon that the needle used the back by reutilization, this application still provides an implant instrument for implanted sensor, has above-mentioned beneficial effect equally.

Description

Implant instrument prevents reutilization structure and implant instrument for implanted sensor

Technical Field

The application relates to the technical field of medical instruments, more specifically says, especially relates to a secondary usage structure is prevented to implant instrument, and this application still provides an implant instrument for implantable sensor.

Background

With the improvement of living standard of people, people pay more attention to the health condition, and pay attention to health preservation and detection of various parameters of the body. For example, it is necessary to periodically measure the glycemic index and to pay attention to the amount of sugar in blood. We generally focus on the physical condition from the side by regular glycemic index monitoring, monitoring the physical health index, etc.

At present, current blood sugar test mode mainly has two kinds, one kind is for pricking finger collection fingertip blood, uses the blood sugar examination strip and the blood glucose meter cooperation of test usefulness, can gather discrete blood sugar value, and another kind is dynamic blood sugar monitoring system CGM, through implanting blood glucose sensor in the skin, enzyme on the sensor and subcutaneous tissue liquid reaction detection blood sugar value to cooperate the transmitter with blood sugar value transmission to the terminal, can gather continuous blood sugar value. For the CGM, an implantation tool for implanting a sensor for blood glucose testing is one of the indispensable devices, and the implantation tool in the prior art often has discomfort to a user due to too much or too little force applied by human factors during use. In the prior art, after the implantation needle of the implantation tool is used, the implantation needle is difficult to recover and hide in the implantation tool, so that the implantation needle is easy to cause accidental injury to a human body, and the implantation needle of the implantation tool cannot be prevented from being reused under the condition that a tester is not aware of the implantation needle, so that the sanitation problem is caused.

Therefore, it is an urgent technical problem to be solved by those skilled in the art to provide a structure for preventing the implant tool from being reused, which can overcome the problem that the implant tool is easily accidentally damaged by the human body after the use of the implant needle, and can prevent the occurrence of the unsanitary phenomenon that the implant needle is reused after the use.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the application provides an implantation instrument prevents reutilization structure, and it can overcome implantation instrument and implant the problem that the needle constitutes accidental injury easily after using to the human body, and can prevent to appear implanting the insanitary phenomenon that the needle used the back by reutilization, and the application still provides an implantation instrument for implanted sensor, has above-mentioned beneficial effect equally.

The application provides a secondary usage structure is prevented to implant instrument includes: a first restraint arm disposed within the support body of the implantation tool; the second constraint arm is arranged on the implantation tool ejection base; the needle head seat is arranged above the ejection base; the needle withdrawing spring is arranged on the needle head seat and the ejection base and is used for pushing the needle head seat to move upwards; the second constraint arm can move up and down along the first constraint arm along with the ejection base; the first constraint arm is used for constraining the second constraint arm to evert; the second constraint arm is provided with a limit bump for constraining the needle head seat to move upwards.

Further, in a preferred mode of the present invention, the number of the first restraint arms is 1 to 6; the number of second constraining arms corresponds to the number of first constraining arms.

Further, in a preferred embodiment of the present invention, the limiting protrusion abuts against the needle base.

Further, in a preferred mode of the present invention, the position-limiting protrusion abutting on the needle seat specifically comprises: the outer edge of the upper end face of the needle head seat is provided with an annular conical table surface, and the annular conical table surface is abutted against the limiting lug.

Further, in a preferred embodiment of the present invention, the upper portion of the second arm is provided with a supporting contact, and the second arm is abutted against the first arm through the supporting contact.

Further, in a preferred aspect of the present invention, the implant tool secondary usage prevention structure further includes: the elastic hook arm is vertically arranged on the periphery of the lower end of the upper cover body of the support main body and used for limiting the ejection base; the upper cover body of the supporting main body is connected with the elastic hook arm, and the upper cover body of the supporting main body is buckled on the outer edge of the ejection base through the elastic hook arm.

Further, in a preferred embodiment of the present invention, the upper cover of the supporting body is buckled to the outer edge of the ejection base through the elastic hook arm, and the elastic hook arm includes: a hook arm main body connected with the upper cover body of the support main body; a limiting hook body arranged at the lower end of the hook arm main body and facing to one side of the center of the upper cover body of the support main body; the limiting hook body is connected with the outer edge of the ejection base.

Further, in a preferred mode of the present invention, the elastic hook arm further includes: the trigger bump is arranged on the hook arm main body and is positioned at the same side of the limiting hook body.

The present application further provides an implantation tool for an implantable sensor, comprising: an implantation tool anti-reuse structure as described above.

The utility model provides a pair of secondary utilization structure is prevented to implant instrument, compared with the prior art, include: the first restraint arm is arranged in the support main body of the implantation tool, the ejection base of the implantation tool is provided with a second restraint arm, a needle head seat is arranged above the ejection base, and a needle withdrawing spring is arranged between the needle head seat and the ejection base and used for pushing the needle head seat to move upwards; the second constraint arm can move up and down along the first constraint arm along with the ejection base; the first constraint arm is used for constraining the second constraint arm to evert; the second constraint arm is provided with a limit bump for constraining the needle head seat to move upwards. In the implantation tool secondary utilization prevention structure, the second restraint arm can move up and down along the first restraint arm along with the ejection base, the first restraint arm is arranged at the periphery of the second restraint arm and can be used for restraining the second restraint arm to incline outwards, when the second restraint arm is stressed to move down along with the ejection base, the second restraint arm can break away from the enveloping action of the first restraint arm, in the process, the needle head seat drives the implantation needle to implant the sensor into the skin of a human body and moves upwards under the action of the needle withdrawing spring until the needle head seat moves upwards to the inner side of the first restraint arm under the action of the needle withdrawing spring, and the second restraint arm which breaks away from the enveloping force of the first restraint arm can not return to the original position, so that the implantation tool for the implantation sensor can not be reused, compared with the prior art, the implantation tool can overcome the problem that the implantation tool is easy to cause accidental injury to the human body after the implantation needle is used, and the unsanitary phenomenon that the device is reused after being used can be prevented.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic view of an implantation tool for an implantable sensor, in which an implantation tool reuse prevention structure according to an embodiment of the present invention is applied;

FIG. 2 is a schematic view of a needle retracting structure of an implantation tool for an implantable sensor according to an embodiment of the present invention;

FIG. 3 is a schematic view of a trigger portion of an implantation tool for an implantable sensor according to an embodiment of the present invention;

FIG. 4 is a schematic diagram of a signal transmitter according to an embodiment of the present invention;

FIG. 5 is a schematic view of an implantation tool for an implantable sensor according to an embodiment of the present invention in a needle-feeding state;

FIG. 6 is a schematic view of an implantation tool for an implantable sensor according to an embodiment of the present invention in a needle-withdrawn state;

FIG. 7 is a schematic diagram of the components of an implantation tool for an implantable sensor according to an embodiment of the present invention;

FIG. 8 is an exploded view of an implantation tool for an implantable sensor provided in accordance with an embodiment of the present invention;

FIG. 9 is a schematic view of a sterilization case according to an embodiment of the present invention;

FIG. 10 is a schematic view of an implantable sensor provided in accordance with an embodiment of the present invention, placed in a sterile storage case with an implantation tool;

fig. 11 is a schematic perspective view of an implantation tool for an implantable sensor according to an embodiment of the present invention.

Detailed Description

In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or be indirectly disposed on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, refer to an orientation or positional relationship illustrated in the drawings for convenience in describing the present application and to simplify description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, the meaning of a plurality of or a plurality of is two or more unless specifically limited otherwise.

It should be understood that the structures, ratios, sizes, and the like shown in the drawings are only used for matching the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the practical limit conditions of the present application, so that the modifications of the structures, the changes of the ratio relationships, or the adjustment of the sizes, do not have the technical essence, and the modifications, the changes of the ratio relationships, or the adjustment of the sizes, are all within the scope of the technical contents disclosed in the present application without affecting the efficacy and the achievable purpose of the present application.

As shown in fig. 1 to 11, an implantation tool secondary utilization prevention structure provided in the embodiment of the present application includes: a first constraint arm 904 provided in the support body 1 of the implantation tool; a second restraint arm 905 disposed on the implantation tool ejection base 2; a needle head base 902 arranged above the ejection base 2; the needle withdrawing spring 901 is arranged on the needle head seat 902 and the ejection base 2, and the needle withdrawing spring 901 is used for pushing the needle head seat 902 to move upwards; the second restraint arm 905 can move up and down along the first restraint arm 904 following the ejection base 2; the first restraint arm 904 is used to restrain the second restraint arm 905 from everting; second restraint arm 905 is provided with a limit bump 906 for restraining needle holder 902 from moving upwards.

The embodiment of the utility model provides a secondary utilization structure is prevented to implant instrument, compare with prior art, include: the first restraint arm 904 is arranged in the support body 1 of the implantation tool, the ejection base 2 of the implantation tool is provided with a second restraint arm 905, a needle head seat 902 is arranged above the ejection base 2, a needle withdrawing spring 901 is arranged between the needle head seat 902 and the ejection base 2, and the needle withdrawing spring 901 is used for pushing the needle head seat 902 to move upwards; the second restraint arm 905 can move up and down along the first restraint arm 904 following the ejection base 2; the first restraint arm 904 is used to restrain the second restraint arm 905 from everting; second restraint arm 905 is provided with a limit bump 906 for restraining needle holder 902 from moving upwards. In the implantation tool secondary utilization prevention structure related to the application, the second constraint arm 905 can move up and down along the first constraint arm 904 along with the ejection base 2, the first constraint arm 904 is arranged at the periphery of the second constraint arm 905 and can be used for constraining the second constraint arm 905 to incline outwards, when the second constraint arm 905 is stressed to move down along with the ejection base 2, the second constraint arm will break away from the enveloping effect of the first constraint arm 904, in the process, the needle seat 902 drives the implantation needle to implant the sensor into the skin of the human body and moves upwards under the action of the needle withdrawing spring 901 until the needle seat 902 moves up to the inner side of the first constraint arm 904 under the action of the needle withdrawing spring 901, and the second constraint arm 905 which breaks away from the enveloping force of the first constraint arm 904 can not return to the original position, so that the implantation tool for the implantation sensor can not be reused, compared with the prior art, the implantation tool can overcome the problem that the implantation tool is easy to cause accidental injury to the human body after being used, and the unsanitary phenomenon that the device is reused after being used can be prevented.

It should be noted that needle mount 902 is located in the upper middle of the elastic body, and a second restraint arm 905 restrains the position of needle mount 902, so that needle mount 902 moves upward relative to ejection base 2 under the action of the needle pushing spring. Second constraining arm 905 has a tendency to evert under the action of needle mount 902. When the ejection base 2 is in the first state, the second constraint arm 905 is blocked by the first constraint arm 904, and the second constraint arm 905 cannot be turned outwards, so that the relative position of the needle holder 902 and the elastic body is limited, and the needle holder 902 with the needle body can pierce the skin under the driving of the ejection base 2. When the ejection base 2 is in the second state, the first restraint arm 904 has no blocking effect on the second restraint arm 905, the second restraint arm 905 turns outwards under the action of the needle holder 902, and the needle holder 902 carries the needle to move upwards.

Specifically, in the embodiment of the present invention, the number of the first constraint arms 904 is 1 to 6; the number of second constraining arms 905 corresponds to the number of first constraining arms 904.

Specifically, in the embodiment of the present invention, the limiting protrusion 906 abuts on the needle seat 902.

It should be noted that, in the state that the second constraint arm 905 is vertically disposed, the second constraint arm 905 collides with the upper end of the needle holder 902 through the limiting protrusion 906, so that the needle holder 902 cannot move upward relative to the ejection base 2.

Specifically, in the embodiment of the present invention, the limit protrusion 906 abuts on the needle seat 902, specifically, the outer edge of the upper end surface of the needle seat 902 is provided with an annular conical table surface, and the annular conical table surface abuts on the limit protrusion 906.

Specifically, in the embodiment of the present invention, the second constraining arm 905 further includes: the upper outer side of the second constraining arm 905 is provided with a supporting contact 907, and the second constraining arm 905 collides with the first constraining arm 904 through the supporting contact 907.

It should be noted that the supporting contact 907 plays a role of reducing friction, so as to reduce the friction generated by the collision between the first constraint arm 904 and the outer side of the second constraint arm 905, thereby reducing the influence on the ejection speed of the ejection base 2.

Specifically, in the embodiment of the present invention, the implantation tool secondary utilization prevention structure further includes: the elastic hook arm 101 is vertically arranged on the periphery of the lower end of the upper cover body of the supporting main body and used for limiting the ejection base 2; the upper cover of the support body is connected with the elastic hook arm 101, and the upper cover of the support body is fastened to the outer edge of the ejection base 2 through the elastic hook arm 101.

It should be noted that the implantation tool brings the ejection base 2 into the first state by means of the elastic hook arm 101. The implant tool secondary utilization prevention structure further comprises: the ejection spring is arranged between the ejection base 2 and the upper cover body of the support main body; when the ejection base 2 is in the first state, the ejection spring is in a compressed state.

Specifically, in the embodiment of the present invention, the upper cover of the supporting body is buckled to the outer edge of the ejection base 2 through the elastic hook arm 101, specifically: the elastic hook arm 101 includes a hook arm body connected to an upper cover of the support body; a limiting hook body arranged at the lower end of the hook arm main body and facing to one side of the center of the upper cover body of the support main body; the limiting hook body is connected with the outer edge of the ejection base 2.

Specifically, in the embodiment of the present invention, the elastic hook arm 101 further includes: the trigger lug 103 is arranged on the hook arm main body 102 and is on the same side as the limiting hook body 104.

Specifically, the related schematic diagrams of the structure for preventing secondary utilization of the implantation tool according to this embodiment are shown in fig. 1, fig. 5, and fig. 6, in the implantation tool for an implantable sensor, the trigger portion is located on the support body 1, when in use, the trigger portion is pressed to trigger the support body 1, the elastic hook arm 101 on the support body 1 is pushed to expand outward, so that the ejection base 2 loses the upward supporting force provided by the elastic hook arm 101, the ejection base 2 is disengaged from the position constraint of the hook arm, and is pushed downward under the action of the ejection spring in a compressed state, the ejection body moves downward along with the ejection base 2, and the sensing implantation needle on the ejection body pierces the skin of the human body.

Then, plant the needle at the sensing and stab human skin, the sensor that the needle was implanted in the sensing carried persists in the human body, and the needle is implanted in the sensing is retrieved under the effect of withdrawing the needle structure and is supported in the main part 1, and concrete process is:

be provided with first restraint arm 904 on the upper portion lid of support body, be equipped with second restraint arm 905 on launching base 2, first restraint arm 904 can restrain and launch second restraint arm 905 on the base 2 to avoid second restraint arm 905 to expand outward all around, second restraint arm 905 will no longer receive the effect of first restraint arm 904 envelope force after moving down a distance. Because the second constraint arm 905 is provided with the limit bump 906 for constraining the needle seat 902 to move upwards, when the second constraint arm 905 is under the action of the enveloping force of the first constraint arm 904, the limit bump 906 limits the needle seat 902 to move upwards, and at this time, the needle withdrawing spring 901 is in a compressed state; however, as the ejection base 2 is separated from the elastic hook arm 101, the ejection spring pushes down the ejection base 2, after the implanted needle carrying sensor pierces the skin of the human body, the second constraint arm 905 moves down along with the ejection base 2 and is no longer under the enveloping force of the first constraint arm 904, the needle withdrawing spring 901, which is in the compressed state, provides an upward acting force for the needle base 902, the second constraint arm 905, which loses the constraint force provided by the first constraint arm 904, moves outwards after receiving the upward acting force of the needle base 902, and the implanted needle is withdrawn into the support body 1 under the acting force of the needle withdrawing spring 901, thereby completing the needle withdrawing action.

It should be noted that, the blood sugar emission device according to the embodiment of the present application mainly relates to an implantation tool part and a signal emitter, and in order to prevent secondary infection, the implantation tool cannot be used after implantation, that is, the implantation tool is a disposable product. When the sensor is implanted, the signal emitter 8 is attached to the skin, and the bottom of the signal emitter is provided with a sticker 808.

After withdrawing the needle, the implanted needle is completely recovered into the support body 1 and is not exposed outside the device, so that accidental injury of the user by the needle body can be avoided; in addition, second restraint arm 905 can't return to first restraint arm 904 inboard after withdrawing the needle again, presses the trigger part and can't pierce the human skin with sensing implantation needle the secondary this moment, consequently the implantation instrument for implanted sensor that this embodiment relates to can't carry out the secondary usage, so has the advantage that prevents sensing implantation needle reutilization, helps improving the standardization of medical equipment use, and is more sanitary.

The present embodiments also relate to an implantation tool for an implantable sensor, comprising: the implantation tool secondary utilization prevention structure has the beneficial effects.

More specifically, the implantation tool for the implantable sensor to which the push pin structure of the implantation tool according to the present embodiment is applied is specifically as follows:

an implantation tool for an implantable sensor comprising: the ejection device comprises a support body 1, wherein an ejection base 2 is arranged in the support body 1, and the ejection base 2 has a positioning state of contacting with the support body 1 and a separation state of separating from the support body 1; an ejection spring 3 is arranged between the supporting body 1 and the ejection base 2, the ejection spring 3 is used for pushing the ejection base 2 downwards, an ejection body 5 is arranged on the ejection base 2, and a sensing implantation needle 6 is arranged on the ejection body 5 and used for carrying a sensor 10 and sending the sensor 10 into the skin of a human body; furthermore, a triggering part 4 is involved for triggering the support body 1 to disengage the ejection base 2 from the support body 1; and a signal transmitter 8 for transmitting data sensed by the sensor 10 to the terminal. In the implantation tool for the implanted sensor, when the trigger part 4 is pressed downwards, the ejection base 2 is triggered to be separated from the support main body 1, the ejection base 2 slides downwards under the action of the spring and drives the ejection main body 5 to slide downwards, so that the sensing implantation needle 6 is driven to slide downwards to pierce the skin of a human body, the ejection is carried out by adopting the elastic force of the ejection spring 3, the operation is stable, the ejection force is constant, the pain and discomfort caused by overlarge or undersize force caused by human factors are avoided, and the trigger part 4 is triggered by one key and cannot be stopped due to the fact that the human factors are afraid of pain in the implantation process. Compared with the prior art, the sensor implantation needle can avoid pain and discomfort caused by too much or too little force due to human factors, and remarkably reduces discomfort of a user in the implantation process of the sensor implantation needle 6.

Wherein, implanted instrument is used to implanted sensor still includes: a needle withdrawing structure 9 for receiving the skin penetrating sensing implant needle 6 in the support body 1.

Wherein, withdraw of needle structure 9 includes: a needle withdrawing spring 901 arranged on the ejection base 2; a needle seat 902 arranged on the top of the needle withdrawing spring 901; a needle body fixing seat 903 connected with the needle head seat 902 and used for fixing the sensing implantation needle 6; a first constraint arm 904 provided inside the support body 1; a second restraint arm 905 arranged on the ejection base 2, wherein the second restraint arm 905 has a contracted state restrained inside the first restraint arm 904 and a disengaged state disengaged from the restraint of the first restraint arm 904; the second constraint arm 905 is provided with a limit bump 906 for pressing down the needle head seat 902, and the second constraint arm 905 is in a contraction state, and the limit bump 906 presses down the limit needle head seat 902.

Wherein, a supporting contact 907 is arranged at one side of the upper end of the second constraint arm 905 close to the first constraint arm 904.

Wherein, the upper part of needle seat 902 is provided with a matching contact surface 908 which is matched with the limit bump 906.

Wherein, the periphery of the upper end of the needle seat 902 is provided with a first inclined plane end, and the lower end of the limit bump 906 is provided with a second inclined plane end matched with the first inclined plane end.

Wherein, an elastic hook arm 101 is arranged inside the supporting body 1; the ejection base 2 is provided with a positioning structure 201 matched with the elastic hook arm 101; the positioning structure 201 has a positioning state placed on the elastic hook arm 101 and a disengaged state disengaged from the elastic hook arm 101.

Wherein the elastic hook arm 101 comprises: a hook arm main body 102; a trigger protrusion 103 disposed on the hook arm main body 102 and engaged with the trigger part 4; the limiting hook body 104 is arranged on the hook arm main body 102 and positioned at the lower part of the trigger bump 103, and the limiting hook body 104 is used for limiting the positioning structure 201.

The supporting body 1 is further provided with a triggering portion 4, and the triggering portion 4 is used for triggering the elastic hook arm 101 to move outwards so that the positioning structure 201 is in a disengaged state.

Wherein, trigger part 4 includes: a launch button 401 provided on the upper portion of the support body 1 for pressing the elastic hook arm 101 downward and pushing the elastic hook arm 101 to move outward; a key compression spring 402 between the support body 1 and the launch key 401; the middle part of the launching key 401 is provided with a key positioning hook 403, and the key positioning hook 403 is abutted against the inner wall of the upper end of the supporting main body 1.

Wherein, the emission button 401 is further provided with an anti-trigger cover 7.

The triggering part of the emission key 401 is enveloped with the triggering part of the upper cover body of the support main body in the support main body 1, the four bone positions of the emission key 401 are sleeved with the upper cover body of the support main body, the two components are mutually constrained and mutually limited to ensure the stable triggering direction, the stable tripping in four directions can be ensured only by pressing the emission key 401 during triggering, and the problem of easy dislocation in the triggering process is solved.

It should be noted that, in the implantation tool for the implantable sensor according to the present embodiment, the trigger portion is located on the support main body 1, and when in use, the trigger portion 4 is pressed to trigger the support main body 1, so as to push the elastic hook arm 101 on the support main body 1 to expand outward, so that the ejection base 2 loses the upward supporting force provided by the elastic hook arm 101, the ejection base 2 is disengaged from the position constraint of the hook arm, and is pushed downward under the action of the ejection spring 3 in a compressed state, the ejection main body 5 moves downward along with the ejection base 2, and the sensing implantation needle 6 on the ejection main body 5 pierces the skin of the human body.

Then, pierce human skin at sensing implantation needle 6, the sensor 10 that carries on the sensing implantation needle 6 persists in the human body, and sensing implantation needle 6 is retrieved in supporting main part 1 under the effect of withdrawing needle structure 9, and concrete process is:

the upper cover body of the support main body is provided with a first constraint arm 904, the ejection base 2 is provided with a second constraint arm 905, the first constraint arm 904 can constrain the second constraint arm 905 on the ejection base 2 to prevent the second constraint arm 905 from expanding outwards, and as shown in fig. 4 and 5, the second constraint arm 905 does not bear the enveloping force of the first constraint arm 904 after moving downwards for a certain distance. Because the second constraint arm 905 is provided with the limit bump 906 for constraining the needle seat 902 to move upwards, when the second constraint arm 905 is under the enveloping force of the first constraint arm 904, the limit bump 906 limits the needle seat 902 to move upwards, and at this time, the needle withdrawing spring 901 is in a compressed state; however, as the ejection base 2 is separated from the elastic hook arm 101, the ejection spring 3 pushes the ejection base 2 downwards, after the implanted needle carrying sensor 10 penetrates the skin of the human body, the second constraint arm 905 moves downwards along with the ejection base 2 and is no longer subjected to the enveloping force of the first constraint arm 904, the needle withdrawing spring 901 which is in the compressed state provides an upward acting force for the needle base 902, the second constraint arm 905 which loses the constraint force provided by the first constraint arm 904 is moved outwards after being subjected to the upward acting force of the needle base 902, and the implanted needle is withdrawn into the support body 1 under the acting force of the needle withdrawing spring 901 to complete the needle withdrawing action.

It should be noted that the blood glucose emitting device according to the embodiment of the present application mainly includes an implantation tool portion and a signal emitter 8, and in order to prevent secondary infection, the implantation tool cannot be reused after implantation is completed, that is, the implantation tool is a disposable product. When the sensor 10 is implanted, the signal emitter 8 is attached to the skin, and the bottom of the signal emitter 8 is provided with a sticker 808.

After withdrawing the needle, the implanted needle is completely recovered into the support body 1 and is not exposed outside the device, so that accidental injury of the user by the needle body can be avoided; in addition, second restraint arm 905 can't return to the first restraint arm 904 inboard after withdrawing the needle again, presses trigger part 4 and can't pierce sensing implantation needle 6 the human skin twice this moment, so implanted sensor with implantation instrument that this embodiment relates to can't carry out the secondary usage, so has the advantage of preventing sensing implantation needle 6 reutilization, helps improving the standardization of medical equipment use, and is more sanitary.

Wherein, the support body 1 includes: an upper cover 105 supporting the main body; a support lower cover 106 fitted with an upper cover body 105 of the support main body; the support lower cover 106 includes: an installation butt joint part which is used for being matched and connected with the upper cover body of the support main body and is covered on the outer side of the ejection main body 5; a position restraining part connected with the lower end of the butt joint part and used for restraining the position of the signal emitter 8; and the base ejection part is connected with the lower end of the position restriction part and can be attached to the surface of the skin.

Wherein, the signal transmitter 8 includes: a blood glucose data transmission unit connectable to the blood glucose test sensor 10; a blood sugar data transmitting part for transmitting the blood sugar data to the terminal; the blood sugar data transmission part is detachably connected with the blood sugar data emission part, and the blood sugar data emission part is assembled in the support main body 1.

In this embodiment, the implantation tool for the implantable sensor is a split structure, and it should be noted that the sterilization environment of the implantation tool for the implantable sensor is in an aseptic workshop, and the sterilization mode mainly adopts laser ray sterilization, and the product is sealed after sterilization, and the sealing sticker of the product is opened when the user uses the tool. Because the electronic component part can appear damaging the components and parts after disinfecting, so do the disconnect-type design with electronic components, what the separation adopted is that implant instrument and transmitter separation assemble subassembly such as the waterproof silica gel visor of sensor sensing implantation needle 6 in implanting the instrument and carry out whole disinfection processing, so the design can realize comprehensive disinfection, can not produce any influence to the electron component ware again, ensures that the product uses safelyr and relieved.

As shown in fig. 9 and 10, the implantation tool for an implantable sensor according to the present embodiment may further include a sterilization storage case 11; the disinfection storage box 11 is provided with a transmitter storage part 110 for placing the signal transmitter 8; the sterilizing storage box 11 is provided with an implantation tool storage portion 111 for storing the implantation tool. More specifically, both sides of the implant tool storage part 111 are provided with finger placement positions 112 for picking up the implant tool. In addition, a seal sticker tearing position 113 is provided on the implantation tool storage portion 111. This kind of mode of putting can guide the user to use fast, and the user only needs to tear the seal membrane and just can pack the transmitter into the implantation instrument facing to the draw-in groove, and it is convenient, labour saving and time saving to install.

Wherein, the signal transmitter 8 includes: an emitter housing composed of an emitter upper cover 801 and an emitter lower cover 802; the mounting base is arranged in the emitter shell; a printed circuit board 803, a flexible circuit board 804, a button cell 805 and a conductive electrode 806 which are arranged on the mounting base; a silica gel protective cover 807 clamped with the emitter upper cover 801; waterproof glue materials are filled in the joint of the upper transmitter cover 801 and the lower transmitter cover 802; waterproof glue materials are filled between the flexible circuit board 804 and the emitter upper cover 801 and between the flexible circuit board and the emitter lower cover 802; waterproof silicone is filled between the silicone protective cover 807 and the conductive electrode 806.

The transmitter upper cover FPC board adopts waterproof glue to realize the sealing and waterproof functions by dropping the waterproof glue into the glue seams; the waterproofing of the FPC board and the lower cover of the emitter is realized by coating a layer of waterproof glue on the bottoms of the emitter and the FPC board to prevent the FPC board and the lower cover of the emitter from sealing and waterproofing. The emitter upper cover 801 and the emitter lower cover 802 are waterproof by means of penetrating waterproof glue into the connecting seams to meet the waterproof requirement.

The silica gel protective cover, the waterproof silica gel and the conductive electrode are an assembly part, the conductive electrode is arranged in the waterproof silica gel, the waterproof silica gel is arranged in the silica gel protective cover 807, the silica gel protective cover 807 is provided with a buckle which is connected with the emitter upper cover 801 in a clamping mode, a concave point is arranged at the joint part of the emitting edge to position the direction, and the silica gel is deformed by the pulling force of the buckle position to achieve the waterproof effect. Specifically, the number of buckles is 3, and the number of pits is 3.

When 3 buckling positions of the silica gel protective cover 807 are buckled into the upper cover 801 of the emitter, the waterproof silica gel is deformed by the pulling force of the buckling positions, and when the conductive electrodes are communicated with the circuit of the FPC board in the deformation process, the waterproof silica gel and the FPC board can achieve the waterproof effect due to the compression force.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides an implantation instrument prevents reuse structure which characterized in that includes: a first restraint arm disposed within the support body of the implantation tool; the second constraint arm is arranged on the implantation tool ejection base; the needle head seat is arranged above the ejection base;

the needle withdrawing spring is arranged on the needle head seat and the ejection base and is used for pushing the needle head seat to move upwards;

the second restraint arm can move up and down along the first restraint arm along with the ejection base; the first constraint arm is used for constraining the second constraint arm to evert; and the second constraint arm is provided with a limit bump for constraining the needle head seat to move upwards.

2. The implant tool reuse prevention structure according to claim 1, wherein the number of the first constraint arms is 1 to 6.

3. The implant tool anti-reuse structure according to claim 2, wherein the number of the second constraint arms is the same as the number of the first constraint arms.

4. The implant tool reuse prevention structure of claim 1, wherein said stop protrusion abuts against the needle base.

5. The implant tool secondary utilization prevention structure as claimed in claim 4, wherein the abutting of the limiting projection against the needle head seat is specifically: the outer edge of the upper end face of the needle head seat is provided with an annular conical table surface, and the annular conical table surface is abutted to the limiting lug.

6. The implant tool reuse prevention structure according to claim 5, wherein a support contact is provided on an upper outer side of the second constraint arm, and the second constraint arm collides with the first constraint arm through the support contact.

7. The implant tool anti-reuse structure according to claim 6, further comprising: the elastic hook arm is vertically arranged on the periphery of the lower end of the upper cover body of the support main body and used for limiting the ejection base; the upper cover body of the supporting main body is connected with the elastic hook arm, and the upper cover body of the supporting main body is buckled on the outer edge of the ejection base through the elastic hook arm.

8. The implant tool secondary usage prevention structure of claim 7, wherein the upper cover of the support body is fastened to the outer edge of the ejection base through the elastic hook arm, specifically: the elastic hook arm includes: a hook arm main body connected with the upper cover body of the support main body; the limiting hook body is arranged at the lower end of the hook arm main body and faces one side of the center of the upper cover body of the support main body; the limiting hook body is connected with the outer edge of the ejection base.

9. The implant tool anti-reuse structure according to claim 8, wherein said elastic hook arm further comprises: the trigger bump is arranged on the hook arm main body and is positioned at the same side of the limiting hook body.

10. An implantation tool for an implantable sensor, comprising: the implant tool reuse prevention structure of any one of claims 1 to 9.