Sensor and implantation needle sealing structure and emitter assembly

Abstract

The utility model provides a sealing structure of a sensor and an implantation needle. The sealing structure of the sensor and the implantation needle comprises an emitter upper cover, a sensor assembly, an implantation needle assembly, a sealing sleeve and a needle pressing sleeve. The sensor assembly comprises a sensor fixing seat and a sensor, the sensor fixing seat is connected with the emitter upper cover, and the sensor is arranged on the sensor fixing seat; the implantation needle assembly comprises a needle head and an implantation needle, the needle head abuts against the emitter upper cover, the implantation needle is connected with the needle head, and the implantation needle penetrates through the emitter upper cover, the sensor fixing base and the detection end of the sensor; the sealing sleeve is detachably connected with the sensor fixing seat and surrounds the sealing detection end and the part, extending out of the sensor fixing seat, of the implantation needle; and the needle pressing sleeve is detachably connected with the emitter upper cover and is connected with the needle head. Meanwhile, the utility model further provides an emitter assembly. Compared with the prior art, the sealing structure of the sensor and the implantation needle and the emitter assembly provided by the utility model have the advantages that the assembly error can be reduced, and the sealing performance is good.

Description

Technical Field

[0001] The utility model relates to the technical field of medical auxiliary equipment, in particular to a sealing structure of a sensor and an implant needle and a transmitter assembly. Background Art

[0002] The CGM system is a system used to monitor the blood sugar index of the human body. In the prior art, the CGM system sends a sensor into the subcutaneous tissue of the human body. The enzyme on the sensor reacts with the subcutaneous tissue fluid to detect the blood sugar value, and the blood sugar value is sent to the terminal with the transmitter, so that the real-time dynamic monitoring of blood sugar can be achieved. The CGM system only needs to be implanted once, and then the blood sugar data in the body can be continuously monitored through Bluetooth connection, eliminating the pain of frequent needle sticks of traditional blood sugar meters, and making up for the cumbersome operation of traditional blood sugar meters that can only monitor once.

[0003] Since the sensor needs to be implanted in the human body, it is necessary to sterilize the sensor during the production process. The transmitter contains electronic components, which are easily damaged during the sterilization process. Therefore, in the prior art, the sensor is usually sterilized before being assembled with the transmitter. In addition, since the implant needle also needs to be inserted into the human body, there is currently a type of sterilization method that assembles the sensor and implant needle and other components into a separate sterilized body. After sterilization, the entire sterilized body is assembled with the transmitter to form a transmitter assembly. The transmitter assembly is then loaded into the implant tool. When the user uses the implant tool, the implant tool directly pushes the transmitter assembly to implant the sensor and transmitter into the human body.

[0004] Ideally, after the sterilizer and the emitter are assembled, the connection between them should be reliable and the position should be stable. However, due to the error caused by various factors such as production and assembly, there may be a gap between the sterilizer and the emitter after assembly, which will affect the subsequent use effect. Utility Model Content

[0005] In view of the above technical problems, the utility model provides a sealing structure of a sensor and an implant needle, which connects the sensor assembly and the implant needle assembly to the transmitter cover to form an integral sealing structure. During sterilization, the sensor assembly, the implant needle assembly and the transmitter cover are sterilized together. Therefore, in the subsequent assembly process, only the electronic components in the transmitter and the transmitter bottom cover need to be assembled to the transmitter top cover, thereby avoiding as much as possible the presence of gaps between the sensor assembly, the implant needle assembly and the transmitter after assembly, which would affect the subsequent use effect.

[0006] A sealing structure of a sensor and an implant needle, comprising a transmitter upper cover, a sensor assembly, an implant needle assembly, a sealing sleeve and a needle pressing sleeve;

[0007] The sensor assembly includes a sensor fixing base and a sensor. The sensor fixing base is connected to the upper cover of the transmitter. The sensor is disposed on the sensor fixing base, and the detection end of the sensor is located outside the sensor fixing base.

[0008] The implanting needle assembly includes a needle tip and an implanting needle. The needle tip abuts against the upper cover of the transmitter. The implanting needle is connected to the needle tip and passes through the upper cover of the transmitter, the sensor fixing base, and the detection end.

[0009] The sealing sleeve is detachably connected to the sensor fixing base and surrounds and seals the detection end and the part of the implanting needle extending out of the sensor fixing base.

[0010] The needle pressing sleeve is detachably connected to the upper cover of the transmitter and connected to the needle tip to tightly connect the needle tip to the upper cover of the transmitter.

[0011] Preferably, the sensor fixing base and the inner wall of the upper cover of the transmitter are adhesively fixed by fixing glue.

[0012] Preferably, a glue receiving groove for receiving the fixing glue is formed by recessing the top of the sensor fixing base.

[0013] The connection end of the sensor passes through the glue receiving groove and extends out of the sensor fixing base, and the connection contact of the connection end is located outside the sensor fixing base.

[0014] The inner wall of the upper cover of the transmitter is provided with a connection protrusion matching the glue receiving groove, and the connection protrusion extends into the glue receiving groove.

[0015] Preferably, the detection end extends out of the sensor fixing base from the bottom of the sensor fixing base.

[0016] The bottom of the sensor fixing base is provided with a detachable connection structure.

[0017] The sealing sleeve is detachably connected to the detachable connection structure.

[0018] Preferably, a first sealing member is provided between the needle tip and the upper cover of the transmitter.

[0019] Preferably, a second sealing member is provided between the sealing sleeve and the sensor fixing base.

[0020] Preferably, the second sealing member is located inside the sealing sleeve, and a through hole is formed in the second sealing member.

[0021] The detection end and the part of the implanting needle extending out of the sensor fixing base pass through the through hole.

[0022] Preferably, the pressure needle sleeve is rotationally locked to the transmitter upper cover.

[0023] Preferably, the sealing sleeve is rotationally locked to the sensor fixing seat.

[0024] A transmitter assembly, comprising a sealing structure of a sensor and an implant needle as described in any one of the above, and a transmitter lower cover and electronic components;

[0025] The transmitter lower cover is connected to the transmitter upper cover;

[0026] The electronic components are arranged in a space enclosed by the transmitter lower cover and the transmitter upper cover, and are connected to the connecting end of the sensor.

[0027] Compared with the prior art, the sealing structure of the sensor and the implant needle provided by the utility model comprises a transmitter upper cover, a sensor assembly, an implant needle assembly, a sealing sleeve and a pressure needle sleeve; the sensor assembly comprises a sensor fixing seat and a sensor, the sensor fixing seat is connected to the transmitter upper cover, the sensor is arranged on the sensor fixing seat, and the detection end of the sensor is located outside the sensor fixing seat; the implant needle assembly comprises a needle head and an implant needle, the needle head abuts against the transmitter upper cover, the implant needle is connected to the needle head, and the implant needle passes through the transmitter upper cover, the sensor fixing seat and the detection end; the sealing sleeve is detachably connected to the sensor fixing seat, and surrounds and seals the detection end and the part of the implant needle extending out of the sensor fixing seat; the pressure needle sleeve is detachably connected to the transmitter upper cover, and is connected to the needle head, so that the needle head is tightly connected to the transmitter upper cover. In the sealing structure of the sensor and the implant needle, the sensor assembly and the implant needle assembly are connected to the transmitter cover respectively. During sterilization, the sensor assembly, the implant needle assembly and the transmitter cover can be sterilized together. In the subsequent assembly process, only the electronic components in the transmitter and the transmitter lower cover need to be assembled to the transmitter cover, so as to avoid the gap between the sensor assembly, the implant needle assembly and the transmitter after assembly as much as possible, which affects the subsequent use effect. In addition, the sealing sleeve and the needle pressure sleeve can be provided to seal and protect the implant needle and the sensor, and isolate the implant needle and the sensor from the outside world. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] To more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the accompanying drawings required for the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other accompanying drawings can be obtained based on these drawings.

[0029] Figure 1 It is a top view of a provided emitter assembly;

[0030] Figure 2 It is along Figure 1 The schematic cross-sectional structure diagram taken along A-A shown;

[0031] Figure 3 It is along Figure 1 The schematic cross-sectional structure diagram taken along B-B shown (after the sealing sleeve is separated);

[0032] Figure 4 It is a three-dimensional structure diagram after the pressure needle sleeve is separated from the emitter upper cover;

[0033] Figure 5 It is Figure 2 The partial enlarged view of the C area shown;

[0034] Figure 6 It is Figure 1 The three-dimensional structure diagram of the shown sensor fixing seat;

[0035] Figure 7 It is Figure 6 The three-dimensional structure diagram of the shown sensor fixing seat from another angle;

[0036] Figure 8 It is Figure 1 The three-dimensional structure diagram of the shown emitter upper cover;

[0037] Figure 9 It is the schematic vertical cross-sectional structure diagram of the emitter upper cover, sensor assembly, and electronic components provided by an embodiment;

[0038] Figure 10 It is the schematic horizontal cross-sectional structure diagram of the emitter upper cover, sensor assembly, and electronic components provided by an embodiment. Specific embodiments

[0039] To enable those skilled in the art to better understand the technical solutions in this application, the following will clearly and completely describe the technical solutions in the embodiments of this application. Obviously, the described embodiments are only a part of the embodiments of this application, rather than all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the scope of protection of this application.

[0040] It should be noted that when a component is referred to as "fixed to", "mounted on" or "disposed on" another component, it can be directly on the other component or indirectly disposed on the other component; when a component is "connected" to another component, or a component is referred to as "connected to" another component, it can be directly connected to the other component or indirectly connected to the other component.

[0041] It should be understood that the orientation or positional relationship indicated by terms such as "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing this application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to this application.

[0042] In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of this application, "a plurality of" or "several" means two or more, unless otherwise clearly and specifically defined.

[0043] It should be noted that the structures, ratios, sizes, etc. shown in the drawings of this specification are only used to cooperate with the content disclosed in the specification for those familiar with this technology to understand and read, and are not used to limit the conditions under which this application can be implemented. Therefore, they do not have a technical essence. Any modification of the structure, change in the ratio relationship or adjustment of the size, without affecting the effects that this application can produce and the purposes that can be achieved, should still fall within the scope covered by the technical content disclosed in this application.

[0044] The utility model provides a sealing structure of a sensor and an implant needle, which comprises a transmitter upper cover, a sensor assembly, an implant needle assembly, a sealing sleeve and a pressure needle sleeve; the sensor assembly comprises a sensor fixing seat and a sensor, the sensor fixing seat is connected to the transmitter upper cover, the sensor is arranged on the sensor fixing seat, and the detection end of the sensor is located outside the sensor fixing seat; the implant needle assembly comprises a needle head and an implant needle, the needle head abuts against the transmitter upper cover, the implant needle is connected to the needle head, and the implant needle passes through the transmitter upper cover, the sensor fixing seat and the detection end; the sealing sleeve is detachably connected to the sensor fixing seat, and surrounds and seals the detection end and the portion of the implant needle extending out of the sensor fixing seat; the pressure needle sleeve is detachably connected to the transmitter upper cover, and is connected to the needle head, so that the needle head is tightly connected to the transmitter upper cover. In the sealing structure of the sensor and the implant needle, the sensor assembly and the implant needle assembly are connected to the transmitter cover respectively. During sterilization, the sensor assembly, the implant needle assembly and the transmitter cover can be sterilized together. In the subsequent assembly process, only the electronic components in the transmitter and the transmitter lower cover need to be assembled to the transmitter cover, so as to avoid the gap between the sensor assembly, the implant needle assembly and the transmitter after assembly as much as possible, which affects the subsequent use effect. In addition, the sealing sleeve and the needle pressure sleeve can be provided to seal and protect the implant needle and the sensor, and isolate the implant needle and the sensor from the outside world.

[0045] Please refer to Figures 1 to 10 In one embodiment, a sealing structure 100 of a sensor and an implant needle is provided, which includes a transmitter cover 10, a sensor assembly 20, an implant needle assembly 30, a sealing sleeve 40 and a needle pressing sleeve 50.

[0046] The sensor assembly 20 includes a sensor holder 21 and a sensor 22. The sensor holder 21 is connected to the transmitter cover 10. The sensor 22 is arranged on the sensor holder 21, and the detection end 221 of the sensor 22 is located outside the sensor holder 21. The detection end 221 refers to the part of the sensor 20 that needs to be implanted in the human body, that is, the part that will eventually be left under the human epidermis and contact the blood after the user operates the implantation tool.

[0047] The implanting needle assembly 30 includes a needle head 31 and an implanting needle 32. The needle head 31 abuts against the upper cover 10 of the transmitter. The implanting needle 32 is connected to the needle head 31 and passes through the upper cover 10 of the transmitter, the sensor fixing seat 21, and the detection end 221. That is to say, one end of the implanting needle 32 is connected to the needle head 31, and the other end extends through the upper cover 10 of the transmitter, the sensor fixing seat 21, and the detection end 221.

[0048] The sealing sleeve 40 is detachably connected to the sensor fixing seat 21 and surrounds and seals the detection end 221 and the part of the implanting needle 32 extending out of the sensor fixing seat 21. For the convenience of description, the part of the implanting needle 32 extending out of the sensor fixing seat 21 is the piercing part 321. After the user operates the implanting tool, the piercing part 321 will correspondingly pierce the skin, so as to realize the contact between the detection end 221 and the blood. Wherein, the sealing sleeve 40 surrounding and sealing the detection end 221 and the piercing part 321 means that after the sealing sleeve 40 is connected to the sensor fixing seat 21, a relatively airtight space is formed, and the detection end 221 and the piercing part 321 are in this relatively airtight space. Thus, the detection end 221 and the piercing part 321 can be isolated from the outside through the sealing sleeve 40, playing a role in sealing and protecting the sensor 22 and the implanting needle 32. And when the user operates the implanting tool subsequently, the sealing sleeve 40 can be detached from the sensor fixing seat 21, and the detection end 221 and the piercing part 321 are exposed, so that the normal use of the implanting tool can be realized.

[0049] The needle pressing sleeve 50 is detachably connected to the upper cover 10 of the transmitter and is connected to the needle head 31 to tightly connect the needle head 31 with the upper cover 10 of the transmitter. That is to say, the needle pressing sleeve 50 is used to apply force to the needle head 31, so as to press the needle head 31 tightly, making the connection between the needle head 31 and the upper cover 10 of the transmitter more tight, playing a role in sealing the implanting needle 32. And when the user operates the implanting tool subsequently, after the implanting needle 32 pierces the skin, by separating the needle pressing sleeve 50 from the upper cover 10 of the transmitter, it is convenient for the subsequent withdrawal of the implanting needle 32 from the skin.

[0050] It can be understood that in the prior art, components such as sensors and implanting needles are assembled to form a separate sterilized body. After sterilization, the entire sterilized body is assembled with the transmitter to form a transmitter assembly. Ideally, after the sterilized body and the transmitter are assembled, the connection between them should be reliable and the position should be stable. However, due to the influence of errors caused by various factors such as production and assembly, there may be a gap between the sterilized body and the transmitter after assembly, thus affecting the subsequent use effect.

[0051] The sealing structure 100 of the sensor and the implant needle provided in this embodiment connects the sensor assembly 20, the implant needle assembly 30 and the transmitter cover 10. During sterilization, the sealing structure 100 of the sensor and the implant needle can be sterilized as a sterilized body. Since a part of the transmitter (i.e., the transmitter cover 10) has been assembled with the sensor assembly 20 and the implant needle assembly 30 before sterilization, after sterilization, only the electronic components in the transmitter and the transmitter bottom cover need to be assembled to the transmitter cover, thereby reducing the assembly error after sterilization and avoiding as much as possible the gap between the sensor assembly, the implant needle assembly and the transmitter after assembly, which affects the subsequent use effect. In addition, the sealing sleeve 40 and the needle pressure sleeve 50 are provided to seal and protect the implant needle 32 and the sensor 22, and isolate the implant needle 32 and the sensor 22 from the outside world.

[0052] It is understandable that in the prior art, there is a type of sealing structure for sensors and implant needles, which also adopts upper and lower sealing (i.e., sealing is performed at the top and bottom of the implant needle, respectively). However, the upper and lower sealing structures in the prior art are correlated. When the user removes the sealing sleeve on the lower side, the sealing structure on the upper side is loosened at the same time, thereby affecting the stability of the implant needle during insertion. After the user operates the implantation tool, the implant needle is prone to swing during the downward movement, which increases the user's pain during the skin insertion process, affecting the user experience. At the same time, since the upper and lower sealing structures are correlated, when the sealing sleeve on the lower side is removed, the sealing structure on the upper side is loosened at the same time. When the user needs to temporarily stop using it, even if the sealing sleeve is reinstalled, the sealing structure on the upper side will affect the sealing effect.

[0053] In the sealing structure 100 of the sensor and the implant needle provided in this embodiment, the sealing sleeve 40 is connected to the sensor fixing seat 21, and the pressing needle sleeve 50 is connected to the transmitter cover 10. There is no association between the sealing sleeve 40 and the pressing needle sleeve 50, and the two can be unlocked separately. When the user uses the implantation tool, after first disassembling the sealing sleeve 40, the pressing needle sleeve 50 can continue to press the needle head 31, which can ensure that the implant needle 32 will not loosen, so that it is not easy to swing during the subsequent implant needle downward movement, and will not increase the user's pain. At the same time, since there is no association between the sealing sleeve 40 and the pressing needle sleeve 50, after the user disassembles the sealing sleeve 40, when he wants to stop using it, he can continue to install the sealing sleeve 40 into the sensor fixing seat 21 again and wait for the next use.

[0054] Preferably, in one embodiment, the sensor fixing base 21 is adhesively fixed to the inner wall 11 of the transmitter upper cover 10 with fixing glue, so as to better ensure the connection reliability between the sensor fixing base 21 and the transmitter upper cover 10.

[0055] Preferably, in one embodiment, a glue receiving groove 212 for accommodating fixing glue is formed by recessing the top 211 of the sensor fixing base 21. The connecting end 222 of the sensor 22 passes through the glue receiving groove 212 and extends out of the sensor fixing base 21, and the connecting contact 223 of the connecting end 222 is located outside the sensor fixing base 21. Wherein, the connecting end 222 of the sensor 22 refers to the part of the sensor 22 that needs to be connected to the electronic components inside the transmitter, and the connecting contact 223 is the contact for contacting the electronic components. Since the connecting end 222 passes through the glue receiving groove 212, the fixing glue in the glue receiving groove 212 can also fix the sensor 22, better ensuring the position and attitude of the sensor 22. Moreover, the connecting contact 223 is located outside the sensor fixing base 21, so that during the assembly process, the electronic components do not need to extend into the sensor fixing base 21 to connect with the sensor 22, thereby reducing the assembly difficulty. The inner wall 11 of the transmitter upper cover 10 is provided with a connecting protrusion 111 matching the glue receiving groove 212, and the connecting protrusion 111 extends into the glue receiving groove 212. Wherein, the matching of the connecting protrusion 111 and the glue receiving groove 212 means that the shapes and sizes are in line with each other, so that during the assembly process, the connecting protrusion 111 can smoothly extend into the glue receiving groove 212. Through the arrangement of the connecting protrusion 111, during the assembly process, the connecting protrusion 111 can extrude the fixing glue in the glue receiving groove 212. When assembling the sensor assembly 20 and the transmitter upper cover 10, liquid fixing glue can be first injected into the glue receiving groove 212, then the sensor 22 is placed on the sensor fixing base 21, and then the sensor fixing base 21 is docked with the transmitter upper cover 10. Through the action of the connecting protrusion 111, the liquid fixing glue is extruded to fill all the gaps to meet the conditions for the sensor 22 to achieve sealing and bacteria resistance.

[0056] The sensor 22 is arranged on the sensor holder 21, and the top 211 of the sensor holder 21 is provided with the adhesive groove 212. When assembling the sensor 22, the sensor 22 only needs to be installed on the sensor holder 21, and then the sensor holder 21 can be directly inserted into the transmitter cover 10 to realize the assembly of the sensor assembly 20 and the transmitter cover 10, thereby simplifying the assembly method and improving the assembly efficiency. Since the adhesive groove 212 is injected with fixing adhesive, the position of the sensor assembly 20 can be fixed by the fixing adhesive after assembly, thereby stabilizing the qualified rate of the product after the assembly is completed.

[0057] Specifically, in one embodiment, the fixing glue may be UV glue (shadowless glue), and after the sensor fixing base 21 is connected to the transmitter upper cover 10, the fixing glue may be converted into a solid state by ultraviolet irradiation.

[0058] Preferably, in one embodiment, the side 213 of the sensor holder 21 is provided with an escape portion 214, and the escape portion 214 is in communication with the adhesive holding groove 212. The connection end 222 extends out of the sensor holder 21 through the escape portion 214. More preferably, in one embodiment, the escape portion 214 is formed by being recessed from the top 211, so that the sensor 22 can be directly inserted into the sensor holder 21 from the side of the top 211, making assembly more convenient.

[0059] Specifically, in one embodiment, the adhesive groove 212 is an annular groove, which is more conducive to the flow of the adhesive during the extrusion process. A through hole 215 is provided at the center of the sensor fixing seat 21, and the sensor 22 and the implantation needle 32 pass through the through hole 215.

[0060] Preferably, in one embodiment, the connection end 222 is arranged vertically. The vertical arrangement of the connection end 222 means that the arrangement direction of the connection end 222 is along the vertical direction rather than the horizontal direction, that is, in this embodiment, the connection end 222 is placed upright on the sensor fixing seat 21. For example, Figure 9 In the illustrated embodiment, the connection end 222 is arranged in a direction perpendicular to the top 211 of the sensor fixing base 21 in the vertical direction. After assembly, the top 211 can be fitted with the inner wall 11 of the transmitter upper cover 10, so that the connection end 222 stands upright in the transmitter upper cover 10. When the electronic components are subsequently assembled, the connection end 222 can be vertically inserted into the socket of the electronic components, thereby reducing the difficulty of subsequent assembly between the electronic components and the sensor 22.

[0061] Preferably, in one embodiment, a first guiding and positioning portion 216 is provided on the top 211 of the sensor fixing base 21, and a second guiding and positioning portion 112 is provided on the inner wall 11 of the transmitter upper cover 10. The second guiding and positioning portion 112 matches the first guiding and positioning portion 216. Herein, the fact that the second guiding and positioning portion 112 matches the first guiding and positioning portion 216 means that the two can cooperate with each other for positioning, and their shapes and sizes are compatible. Specifically, in one embodiment, the second guiding and positioning portion 112 is a guiding and positioning protrusion, and the first guiding and positioning portion 216 is a guiding and positioning groove. Through the settings of the first guiding and positioning portion 21 and the second guiding and positioning portion 112, when the sensor fixing base 21 and the transmitter upper cover 10 are assembled, it can play a role of guiding and limiting to ensure the installation direction angle of the sensor fixing base 21 and reduce the assembly difficulty.

[0062] Preferably, in one embodiment, the detection end 221 extends out of the sensor fixing base 21 from the bottom 217 of the sensor fixing base 21. A detachable connection structure 218 is provided on the bottom 217 of the sensor fixing base 21, and the sealing sleeve 40 is detachably connected to the detachable connection structure 218. By directly connecting the sealing sleeve 40 to the bottom 217 of the sensor fixing base 21, the interference of the sealing sleeve 40 on other subsequent required assembly structures (such as the transmitter lower cover) can be reduced, thereby reducing the assembly difficulty. Herein, the detachable connection structure 218 can be any required structure that matches the sealing sleeve 40, such as a threaded structure, a hanging platform structure, a snap structure, etc., as long as the detachable connection between the sensor fixing base 21 and the sealing sleeve 40 can be realized.

[0063] Preferably, in one embodiment, a first sealing member 60 is provided between the needle 31 and the transmitter upper cover 10. Through the setting of the first sealing member 60, the sealing performance between the needle 31 and the transmitter upper cover 10 can be further ensured. Herein, the first sealing member 60 can adopt an elastic sealing member. When the needle pressing sleeve 50 presses the needle 31, the needle 31 can press the first sealing member 60, so that the first sealing member 60 deforms, thereby further ensuring the sealing performance. Specifically, in one embodiment, the first sealing member 60 can adopt sealing silica gel.

[0064] Preferably, in one embodiment, a second seal 70 is provided between the sealing sleeve 40 and the sensor fixing seat 21. The provision of the second seal 70 can further ensure the sealing performance between the sealing sleeve 40 and the sensor fixing seat 21. Among them, the second seal 70 can be an elastic seal. When the sealing sleeve 40 is connected to the sensor fixing seat 21, the sealing sleeve 40 can squeeze the second seal 70, so that the second seal 70 deforms, thereby further ensuring the sealing performance. Specifically, in one embodiment, the second seal 70 can be made of sealing silica gel.

[0065] Preferably, in one embodiment, the second seal 70 is located inside the sealing sleeve 40, and a through hole 71 is provided on the second seal 70. The detection end 221 and the piercing portion 321 pass through the through hole 71, which can further improve the sealing effect.

[0066] Preferably, in one embodiment, the needle pressing sleeve 50 is rotationally locked to the upper cover 10 of the transmitter. That is to say, the detachable connection between the needle pressing sleeve 50 and the upper cover 10 of the transmitter is specifically realized by rotational locking. By rotating the needle pressing sleeve 50 relative to the upper cover 10 of the transmitter, the locking and unlocking between the needle pressing sleeve 50 and the upper cover 10 of the transmitter can be realized. Specifically, in one embodiment, a first hanging platform 51 is provided on the needle pressing sleeve 50, and a second hanging platform 113 is provided on the upper cover 10 of the transmitter. In the locked state, the first hanging platform 51 is located below the second hanging platform 113. At this time, the needle pressing sleeve 50 and the upper cover 10 of the transmitter cannot be separated by directly applying force vertically. In this state, the needle pressing sleeve 50 correspondingly squeezes the needle 31 to ensure the sealing effect. When the needle pressing sleeve 50 rotates relative to the upper cover 10 of the transmitter, the first hanging platform 51 and the second hanging platform 113 are separated from each other. At this time, the first hanging platform 51 is no longer blocked by the second hanging platform 113, and the needle pressing sleeve 50 can be directly separated from the upper cover 10 of the transmitter. Of course, in other embodiments, the rotational locking structure between the needle pressing sleeve 50 and the upper cover 10 of the transmitter can also adopt other structures, such as a threaded structure, etc.

[0067] Preferably, in one embodiment, the sealing sleeve 40 is rotationally locked to the sensor fixing base 21. That is to say, the detachable connection between the sealing sleeve 40 and the sensor fixing base 21 is specifically achieved by rotational locking. By rotating the sealing sleeve 40 relative to the sensor fixing base 21, the locking and unlocking between the sealing sleeve 40 and the sensor fixing base 21 can be realized. Specifically, in one embodiment, a third hanging platform 41 is provided on the sealing sleeve 40, and a fourth hanging platform 219 is provided on the sensor fixing base 21. In the locked state, the fourth hanging platform 219 is located below the third hanging platform 41. At this time, the sealing sleeve 40 and the sensor fixing base 21 cannot be separated by directly applying force vertically. In this state, the sealing sleeve 40 correspondingly presses the second sealing member 70 to ensure the sealing effect. When the sealing sleeve 40 rotates relative to the sensor fixing base 21, the third hanging platform 41 and the fourth hanging platform 219 are separated from each other. At this time, the third hanging platform 41 is no longer blocked by the fourth hanging platform 219, and the sealing sleeve 40 can be directly separated from the sensor fixing base 21. Of course, in other embodiments, the rotational locking structure between the sealing sleeve 40 and the sensor fixing base 21 can also adopt other structures, such as a threaded structure, etc.

[0068] Preferably, in one embodiment, a spiral tube groove 52 is provided on the needle pressing sleeve 50. The spiral tube groove 52 is arranged in a spiral shape. After the implantation tool is used, the corresponding components in the implantation tool will slide along the groove wall of the spiral tube groove 52, thereby driving the needle pressing sleeve 50 to rotate relative to the upper cover 10 of the transmitter, realizing the unlocking of the needle pressing sleeve 50, and thus realizing the automatic needle retraction operation.

[0069] In one embodiment, during the production process, the sealing structure 100 of the sensor and the implantation needle can be sterilized integrally separately, which is convenient for the subsequent assembly of the transmitter, and can reduce the assembly error. And during the subsequent use process, due to the principle of independent sealing of the upper surface and the lower surface, when the sealing sleeve 40 on the lower surface rotates and loosens, it will not affect the sealing mechanism on the upper surface. At this time, the implantation needle 32 will not become loose due to the detachment of the sealing sleeve 40. Conversely, when the sealing mechanism on the upper surface rotates and loosens, it will not affect the sealing mechanism on the lower surface. The press needle sleeve 50 is used to press the implantation needle 32, so that the first seal 60 on the needle tip 31 is closely attached to the upper surface of the transmitter upper cover 10 to achieve the sealing of the hole of the transmitter upper cover 10. The implantation needle 32 will not have a loosening phenomenon before implantation, and the implantation needle 32 can be smoothly loosened after implantation. The second seal 70 in the sealing sleeve 40 is used to be closely compressed with the sensor fixing seat 21 to realize the sealing of the entire implantation needle 32. The sealing structure 100 of the sensor and the implantation needle ensures that the sealing of the implantation needle 32 can reach no leakage for 2 hours at a depth of 2M water.

[0070] Meanwhile, in one embodiment, a transmitter assembly 1000 is further provided, which includes the sealing structure 100 of the sensor and the implantation needle, a transmitter lower cover 200 and electronic components 300. The transmitter lower cover 200 is connected to the transmitter upper cover 10. The electronic components 300 are arranged in the space surrounded by the transmitter lower cover 200 and the transmitter upper cover 10, and the connection end 222 of the electronic components 300 is connected to the sensor 22. During the production process, the sealing structure 100 of the sensor and the implantation needle can be assembled first, and then subjected to overall gamma sterilization. After sterilization, the electronic components 300 are inserted and connected, and then the transmitter lower cover 200 and the transmitter upper cover 10 are sealed with glue to complete the sealing process of the entire transmitter assembly 1000.

[0071] Preferably, in one embodiment, the electronic components 300 include a circuit board 301, a power supply unit 302, and a connection socket 303. The power supply unit 302 is connected to the circuit board 301, and the connection socket 303 is connected to the circuit board 301. Among them, the circuit board 301 can adopt a printed circuit board (PCBA), and the power supply unit 302 can adopt a battery. The connection socket 303 includes a socket body 3031 and connection terminals 3032 arranged on the socket body 3031. A vertical slot 30311 is opened on the socket body 3031. The connection end 222 of the sensor 22 is inserted into the vertical slot 4311, and the connection contact 223 is connected to the connection terminal 3032.

[0072] The above are only the embodiments of the present utility model. It should be noted here that for those of ordinary skill in the art, improvements can be made without departing from the creative concept of the present utility model, but these all fall within the protection scope of the present utility model.

Claims

1. A sealing structure for a sensor and an implanting needle, characterized in that It includes an upper cover of the transmitter, a sensor assembly, an implantation needle assembly, a sealing sleeve, and a needle pressing sleeve; The sensor assembly includes a sensor fixing seat and a sensor. The sensor fixing seat is connected to the upper cover of the transmitter. The sensor is arranged on the sensor fixing seat, and the detection end of the sensor is located outside the sensor fixing seat; The implantation needle assembly includes a needle tip and an implantation needle. The needle tip abuts against the upper cover of the transmitter. The implantation needle is connected to the needle tip, and the implantation needle passes through the upper cover of the transmitter, the sensor fixing seat, and the detection end; The sealing sleeve is detachably connected to the sensor fixing seat and surrounds and seals the detection end and the part of the implantation needle extending out of the sensor fixing seat; The needle pressing sleeve is detachably connected to the upper cover of the transmitter and is connected to the needle tip to tightly connect the needle tip to the upper cover of the transmitter.

2. The sealing structure of the sensor and the implantation needle according to claim 1, characterized in that The sensor fixing seat and the inner wall of the upper cover of the transmitter are adhesively fixed by fixing glue.

3. The sealing structure of the sensor and the implantation needle according to claim 2, wherein, A glue-containing groove for accommodating the fixing glue is formed by a depression at the top of the sensor fixing seat; The connection end of the sensor passes through the glue-containing groove and extends out of the sensor fixing seat, and the connection contacts of the connection end are located outside the sensor fixing seat; The inner wall of the upper cover of the transmitter is provided with connection protrusions matching the glue-containing groove, and the connection protrusions extend into the glue-containing groove.

4. The sealing structure of the sensor and the implantation needle according to claim 1, wherein, The detection end extends out of the sensor fixing seat from the bottom of the sensor fixing seat; A detachable connection structure is arranged at the bottom of the sensor fixing seat; The sealing sleeve is detachably connected to the detachable connection structure.

5. The sealing structure of the sensor and the implanting needle according to claim 1, wherein A first sealing member is arranged between the needle tip and the upper cover of the transmitter.

6. The sealing structure of the sensor and the implantation needle according to claim 1, characterized in that, A second sealing member is arranged between the sealing sleeve and the sensor fixing seat.

7. The sealing structure of the sensor and the implantation needle according to claim 6, wherein, The second sealing member is located inside the sealing sleeve, and a through hole is formed in the second sealing member; The detection end and the part of the implantation needle extending out of the sensor fixing seat pass through the through hole.

8. The sealing structure of the sensor and the implanting needle according to claim 1, wherein, The needle pressing sleeve is rotationally locked to the upper cover of the transmitter.

9. The sealing structure of the sensor and the implantation needle according to claim 1, characterized in that, The sealing sleeve is rotationally locked to the sensor fixing seat.

10. A transmitter component, characterized in that, It includes the sealing structure of the sensor and the implantation needle according to any one of claims 1 to 9, as well as a lower cover of the transmitter and electronic components; The lower cover of the transmitter is connected to the upper cover of the transmitter; The electronic components are arranged in the space surrounded by the lower cover of the transmitter and the upper cover of the transmitter and are connected to the connection end of the sensor.

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