Sensor and transmitter

Abstract

The utility model discloses a sensor and emitter, relates to medical equipment technical field, the sensor includes: first fixed structure, second fixed structure and implant structure, first fixed structure and second fixed structure both are connected with implant structure, first fixed structure and second fixed structure are respectively located implant structure both sides, and the first fixed structure is connected with the implant structure. The first fixing structure and the second fixing structure are both used for being fixed to an emitter shell of the emitter, the second fixing structure is further used for being connected with a circuit board, and the implanting structure is used for being implanted into a human body. The emitter comprises an emitter shell, a guide needle structure and a sensor, the sensor and the guide needle structure are connected with the emitter shell, the guide needle structure is located on the outer side of the sensor, and one end of the guide needle structure and one end of the sensor both protrude out of the emitter shell. According to the utility model, the sensor can be stably installed, and the risk that the sensor is pulled out during needle withdrawing is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical equipment technical field especially, is involved in a kind of sensor and transmitter. BACKGROUND

[0002] Dynamic glucose meter (CGM, Continuous Glucose Monitoring System) is a kind of equipment that can continuously monitor subcutaneous interstitial fluid glucose concentration. It measures blood glucose level through a small sensor, usually placed in the abdomen or upper arm, and wirelessly transmits data to a receiver or smartphone application. Compared with traditional fingertip blood glucose test, dynamic glucose meter can provide more continuous blood glucose monitoring, helping users better understand and manage their own blood glucose fluctuations. Dynamic glucose meter is particularly suitable for diabetic patients who need to monitor blood glucose frequently, because it can reduce the need for frequent fingertip blood sampling, thereby improving patient comfort and convenience.

[0003] The sensor of the transmitter of the existing dynamic glucose meter is connected with the transmitter housing of the transmitter only on one side, and there is the problem of unstable fixation. When the needle is withdrawn, there is a risk of pulling out the sensor. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of sensor and transmitter to solve the problems existing in the prior art, so that the sensor can be stably installed, and the risk of being pulled out when the needle is withdrawn is reduced.

[0005] To achieve the above object, the utility model provides the following scheme:

[0006] The utility model provides a kind of sensor, it includes: first fixed structure, second fixed structure and implant structure, the first fixed structure with the second fixed structure are connected with the implant structure, the first fixed structure with the second fixed structure are located at the two sides of the implant structure respectively, the first fixed structure with the second fixed structure are used to be fixed with the transmitter housing of transmitter, the second fixed structure is also used to be connected with circuit board, and the implant structure is used to implant human body.

[0007] Preferably, the first fixing structure comprises a first connecting part, a first extending part, a first protruding part and a first fixing part, one end of the first connecting part is connected with one end of the implant structure, the other end of the first connecting part extends away from the second fixing structure, one end of the first extending part is connected with the other end of the first connecting part, the other end of the first extending part extends towards the other end of the implant structure, the first protruding part is connected with the other end of the first extending part and one end of the first fixing part respectively, the first protruding part is located in a needle hole of a transmitter housing of the transmitter, the other end of the first fixing part extends away from the second fixing structure, and the first fixing part is used for fixing with the transmitter housing of the transmitter.

[0008] Preferably, the second fixing structure comprises a second connecting part, a second extending part, a second protruding part, a second fixing part and a circuit board connecting part, one end of the second connecting part is connected with one end of the implant structure, the other end of the second connecting part extends away from the first fixing structure, one end of the second extending part is connected with the other end of the second connecting part, the other end of the second extending part extends towards the other end of the implant structure, the second protruding part is connected with the other end of the second extending part and one end of the second fixing part respectively, the second protruding part is located in a needle hole of a transmitter housing of the transmitter, the other end of the second fixing part extends away from the first fixing structure, the second fixing part is used for fixing with the transmitter housing of the transmitter, one end of the circuit board connecting part is connected with the other end of the second fixing part, and the circuit board connecting part is used for connecting with a circuit board.

[0009] The utility model also provides a kind of transmitter, including transmitter housing, guide needle structure and the sensor, the sensor and the guide needle structure are connected with the transmitter housing respectively, the guide needle structure is located at the outside of the sensor, and one end of the guide needle structure and one end of the sensor are all protruding in the transmitter housing.

[0010] Preferably, the transmitter housing has a foolproof shape, the transmitter housing includes an upper housing and a lower housing, the upper housing is provided with a first foolproof structure, the lower housing is provided with a second foolproof structure matched with the first foolproof structure, the upper housing and the lower housing are fixedly connected, the lower housing is provided with a mounting groove and a positioning groove on the side facing the upper housing, the first fixing structure and the second fixing structure are connected with the mounting groove, the second fixing structure is also connected with the positioning groove, and the implant structure passes through the needle hole of the lower housing and extends out of the needle hole.

[0011] Preferably, one side of the lower shell towards the upper shell is provided with a mounting bracket and a fixing bracket, the mounting bracket is provided with the mounting slot and the positioning slot, the mounting slot is provided with the first mounting opening and the second mounting opening, the first mounting opening and the second mounting opening are used for arranging the sensor, and the fixing bracket and the sensor are fixed with the mounting bracket respectively.

[0012] Preferably, the guide needle structure comprises a needle seat and a guide needle part, one end of the guide needle part is connected with the needle seat and extends into the needle seat, the needle seat passes through the through hole of the upper shell and the needle hole of the lower shell, the guide needle part passes through the needle hole of the lower shell, the guide needle part is provided with a guide slot, a lateral opening is arranged on the side of the guide needle part, an implantation opening is arranged on the other end of the guide needle part, the lateral opening and the implantation opening are communicated with the guide slot, a pressing part is arranged at the needle hole of the lower shell, the pressing part is used for contacting with the implantation structure, the pressing part can press the implantation structure from the lateral opening into the guide slot of the guide needle part, and the first fixing structure and the second fixing structure are located between the needle seat and the lower shell.

[0013] Preferably, one side of the lower shell away from the upper shell is provided with a patch, and the patch is used for fixing the transmitter on the human body.

[0014] Preferably, the power supply is arranged in the transmitter shell and is electrically connected with the circuit board.

[0015] Preferably, the protective sleeve is connected with the guide needle structure, and the protective sleeve is used for protecting the end of the guide needle structure and the end of the implantation structure for implanting into the human body.

[0016] The utility model discloses have obtained following technical effect compared with prior art:

[0017] The utility model discloses through first fixed structure and second fixed structure with transmitter's transmitter shell fixed connection, realize sensor and transmitter shell's stable connection, solved the problem of not firm of L type's sensor and transmitter shell connection in prior art, reduce the risk of pulling out sensor when withdrawing needle. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will be briefly introduced the drawing needed to be used in the embodiment, obviously, the drawing in the following description only is some embodiments of the utility model, for the ordinary skilled person in the art, under the premise of not paying creative labor, still can obtain other drawings according to these drawings.

[0019] Figure 1 Sensor axis measurement drawing for some embodiments of the present application;

[0020] Figure 2 Transmitter axis measurement drawing for some embodiments of the present application Figure 1 ;

[0021] Figure 3 Transmitter axis measurement drawing for some embodiments of the present application Figure 2 ;

[0022] Figure 4 Transmitter exploded view drawing for some embodiments of the present application

[0023] Figure 5 Transmitter installation process step one axis measurement drawing for some embodiments of the present application

[0024] Figure 6 Transmitter installation process step two axis measurement drawing for some embodiments of the present application

[0025] Figure 7 Transmitter installation process step three axis measurement drawing for some embodiments of the present application Figure 1 ;

[0026] Figure 8 Transmitter installation process step three axis measurement drawing for some embodiments of the present application Figure 2 ;

[0027] Figure 9 Transmitter installation process step four axis measurement drawing for some embodiments of the present application Figure 1 ;

[0028] Figure 10 Transmitter installation process step four axis measurement drawing for some embodiments of the present application Figure 2 ;

[0029] Figure 11 Guide needle structure and protective sleeve connection axis measurement drawing for some embodiments of the present application

[0030] Figure 12 Protective sleeve axis measurement drawing for some embodiments of the present application

[0031] Figure 13 Protective sleeve internal structure schematic view drawing for some embodiments of the present application

[0032] Figure 14 Transmitter installation process step five axis measurement drawing for some embodiments of the present application Figure 1 ;

[0033] Figure 15 Figure 5 is a six-axis view of a sensor installation process step in some embodiments of the present application; Figure 2 ;

[0034] Figure 16 Figure 6 is a seven-axis view of a sensor installation process step in some embodiments of the present application;

[0035] Figure 17 Figure 7 is a seven-axis view of a sensor installation process step in some embodiments of the present application;

[0036] Figure 18 Figure 8 is a sensor and guide needle structure schematic view in some embodiments of the present application;

[0037] Figure 19 Figure 9 is a sensor, transmitter shell, guide needle structure and patch cross-sectional view in some embodiments of the present application;

[0038] Figure 20 Figure 10 is a sensor and 3PIN socket each spring needle position relationship schematic view in some embodiments of the present application;

[0039] Figure 21 Figure 11 is a prior art sensor and 4PIN socket each spring needle position relationship schematic view;

[0040] In the figure: 100-sensor, 200-transmitter, 1-implant structure, 2-first connecting part, 3-first extension part, 4-first protruding part, 5-first fixed part, 6-second connecting part, 7-second extension part, 8-second protruding part, 9-second fixed part, 10-circuit board connecting part, 11-upper shell, 12-lower shell, 13-mounting groove, 14-positioning groove, 15-mounting bracket, 16-fixed bracket, 17-first mounting opening, 18-second mounting opening, 19-needle seat, 20-guide needle part, 21-needle hole, 22-extrusion part, 23-patch, 24-power supply, 25-protection sleeve, 26-3PIN socket, 27-exhaust groove, 28-clamping part, 29-clamping groove, 30-slotted, 31-circuit board, 32-sealing ring, 33-spring needle, 34-prior art sensor. DETAILED DESCRIPTION

[0041] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0042] The utility model discloses a sensor and transmitter to solve the above prior art problems, so that the sensor can be stably installed, and the risk of being pulled out when the needle is withdrawn is reduced.

[0043] In order to make the above-mentioned purpose, features and advantages of the utility model more obvious and easy to understand, the utility model will be further described in detail below in combination with the drawings and specific embodiments.

[0044] Embodiment one

[0045] As Figure 1 shown, the embodiment provides a sensor 100, comprising: first fixed structure, second fixed structure and implant structure 1, first fixed structure and second fixed structure are connected with implant structure 1, first fixed structure and second fixed structure are located at the both sides of implant structure 1 respectively, first fixed structure and second fixed structure are all used to be fixed with the transmitter housing of transmitter 200, second fixed structure is also used to be connected with circuit board 31, and implant structure 1 is used to be implanted in human body. The embodiment is fixedly connected with the transmitter housing of transmitter 200 through first fixed structure and second fixed structure, realizes the stable connection of sensor 100 and transmitter housing, and solves the problem of the unstable connection of L-shaped sensor and transmitter housing in the prior art.

[0046] In some embodiments, the sensor 100 is T-shaped, and the first fixing structure, the second fixing structure, and the implantation structure 1 form a mountain-shaped loop. The first fixing structure includes a first connecting portion 2, a first extension portion 3, a first protrusion 4, and a first fixing portion 5. One end of the first connecting portion 2 is connected to one end of the implantation structure 1, and the other end of the first connecting portion 2 extends away from the second fixing structure. One end of the first extension portion 3 is connected to the other end of the first connecting portion 2, and the other end of the first extension portion 3 extends towards the other end of the implantation structure 1. The first protrusion 4 is connected to the other end of the first extension portion 3 and one end of the first fixing portion 5, respectively. The first protrusion 4 is located in the pinhole 21 of the transmitter housing of the transmitter 200. The other end of the first fixing portion 5 extends away from the second fixing structure, and the first fixing portion 5 is used to fix it to the transmitter housing of the transmitter 200. The second fixing structure includes a second connecting part 6, a second extension part 7, a second protrusion part 8, a second fixing part 9, and a circuit board 31 connecting part 10. One end of the second connecting part 6 is connected to one end of the implanted structure 1, and the other end of the second connecting part 6 extends away from the first fixing structure. One end of the second extension part 7 is connected to the other end of the second connecting part 6, and the other end of the second extension part 7 extends towards the other end of the implanted structure 1. The second protrusion part 8 is connected to the other end of the second extension part 7 and one end of the second fixing part 9, respectively. The second protrusion part 8 is located in the pinhole 21 of the transmitter housing of the transmitter 200. The other end of the second fixing part 9 extends away from the first fixing structure. The second fixing part 9 is used to fix the transmitter housing of the transmitter 200. One end of the circuit board 31 connecting part 10 is connected to the other end of the second fixing part 9. The circuit board 31 connecting part 10 is used to connect to the circuit board 31. In this embodiment, the first protrusion 4 and the second protrusion 8 are disposed between the guide needle structure and the transmitter housing to facilitate the fixation of the sensor 100. The first fixing part 5 and the second fixing part 9 are fixedly connected to the transmitter housing of the transmitter 200 by adhesive. The first fixing part 5 and the second fixing part 9 are located on both sides of the implantation structure 1. Both the first fixing part 5 and the second fixing part 9 are used to fixally connect to the transmitter housing to ensure that the connection of the sensor 100 is stable.

[0047] Example 2

[0048] like Figures 1 to 20 As shown, this embodiment provides a transmitter 200, including a transmitter housing, a guide pin structure, and a sensor 100 as described in Embodiment 1. The sensor 100 and the guide pin structure are respectively connected to the transmitter housing. The guide pin structure is located outside the sensor 100, and one end of the guide pin structure and one end of the sensor 100 both protrude from the transmitter housing.

[0049] In some embodiments, the transmitter housing has a fool-proof shape, that is, the shape of the transmitter housing can be heart-shaped or other shapes that can facilitate positioning, which can reduce the difficulty of positioning during production and assembly. The transmitter housing includes an upper housing 11 and a lower housing 12. The upper housing 11 is provided with a first fool-proof structure, which is a protrusion. The lower housing 12 is provided with a second fool-proof structure that is adapted to the first fool-proof structure, which is a groove adapted to the protrusion. The upper housing 11 and the lower housing 12 are fixedly connected by glue. The lower housing 12 is provided with a mounting groove 13 and a positioning groove 14 on the side facing the upper housing 11. The first fixed part 5 of the first fixed structure and the second fixed part 9 of the second fixed structure are both connected to the mounting groove 13 by glue. The circuit board 31 connecting part 10 of the second positioning structure is located in the positioning groove 14. The implant structure 1 passes through the needle hole 21 of the lower housing 12 and extends out of the needle hole 21. In this embodiment, the lower housing 12 is provided with the mounting groove 13 to achieve the positioning and mounting of the first fixed part 5 and the second fixed part 9. The positioning groove 14 is used to achieve the positioning and mounting of the circuit board 31 connecting part 10.

[0050] In some embodiments, the side of the lower housing 12 facing the upper housing 11 is provided with a mounting bracket 15 and a fixing bracket 16. The mounting bracket 15 and the fixing bracket 16 are both provided with openings corresponding to the positions of the needle hole 21 of the lower housing 12. The mounting bracket 15 is provided with the mounting groove 13 and the positioning groove 14. The mounting groove 13 is provided with a first mounting opening 17 and a second mounting opening 18. The first fixed part 5 is located in the first mounting opening 17, and the second fixed part 9 is located in the second mounting opening 18. The mounting groove 13 is filled with glue. The glue in the mounting groove 13 achieves the fixed connection of the first fixed part 5, the second fixed part 9, the fixing bracket 16, and the mounting bracket 15. In this embodiment, the mounting bracket 15 and the fixing bracket 16 are used to achieve the fixing and positioning of the sensor 100.

[0051] In some embodiments, the guide needle structure includes a needle base 19 and a guide needle portion 20. The needle base 19 is connected to one end of the guide needle portion 20, and one end of the guide needle portion 20 extends into the needle base 19. The needle base 19 passes through the through hole of the upper housing 11 and the needle hole 21 of the lower housing 12. The guide needle portion 20 passes through the needle hole 21 of the lower housing 12. The guide needle portion 20 is provided with a guide groove and a lateral opening. The other end of the guide needle portion 20 is provided with an implantation opening. Both the lateral opening and the implantation opening are connected to the guide groove. A squeezing part 22 is provided at the needle hole 21 of the lower housing 12. The squeezing part 22 is used to contact the implanted structure 1, and the squeezing part 22 can squeeze the implanted structure 1 from the lateral opening into the guide groove of the guide needle portion 20. The first protrusion 4 of the first fixing structure and the second protrusion 8 of the second fixing structure are both located between the needle base 19 and the hole wall of the needle hole 21 of the lower housing 12. In this embodiment, the implantation structure 1 is compressed by the compression part 22 at the pin hole 21 of the lower housing 12, so that the implantation structure 1 can be located in the guide groove of the guide needle structure, ensuring that the implantation structure 1 can be effectively wrapped by the guide needle structure. Furthermore, since the first protrusion 4 and the second protrusion 8 are both located between the needle seat 19 and the hole wall of the pin hole 21 of the lower housing 12, the stable installation of the sensor 100 is further ensured.

[0052] In some embodiments, the guide needle 20 is made of a rigid material, and the implantation structure 1 is an electrode with a coating such as glucose oxidase or dehydrogenase on its surface.

[0053] In some embodiments, an exhaust groove 27 is provided on the side of the lower housing 12 away from the upper housing 11, and the side of the lower housing 12 away from the upper housing 11 without the exhaust groove 27 is used to provide an applicator 23. The applicator 23 is used to fix the transmitter 200 to the human body. By providing an exhaust groove 27 on the lower housing 12, when the applicator 23 is applied to the human skin, exhaust is released through the exhaust groove 27, thereby improving the comfort of the human body.

[0054] In some embodiments, a power supply 24 is also included, which is located in the transmitter housing and is electrically connected to the circuit board 31.

[0055] In some embodiments, a protective sleeve 25 is also included. The protective sleeve 25 is a sterile sleeve. The other end of the needle seat 19 of the guide needle structure is provided with a snap-fit ​​part 28. The open end of the protective sleeve 25 is provided with a slot 29. The snap-fit ​​part 28 can be inserted into the slot 29. Then, the protective sleeve 25 is rotated so that the snap-fit ​​part 28 slides along the sliding groove 30 on the inner side of the protective sleeve 25 to realize the connection between the protective sleeve 25 and the needle seat 19. The open end of the protective sleeve 25 is provided with a sealing ring 32. When the protective sleeve 25 and the needle seat 19 are connected, the sealing gasket can ensure a sealed connection between the protective sleeve 25 and the lower housing 12. The protective sleeve 25 is used to protect the end of the guide needle structure that is implanted in the human body and the end of the implantation structure 1 that is implanted in the human body.

[0056] The mounting process of the transmitter 200 of the embodiment is as follows: step one, place the first fixing part 5 of the sensor 100 into the first mounting opening 17, place the second fixing part 9 into the second mounting opening 18, place the circuit board 31 connecting part 10 into the positioning groove 14, and glue in the mounting groove 13; step two, then cover the fixing bracket 16, so that the sensor 100 and the fixing bracket 16 are fixedly connected with the mounting bracket 15 respectively; step three, then install the guide needle structure, so that the extrusion part 22 of the lower shell 12 extrudes the implant structure 1, and the first protruding part 4 and the second protruding part 8 are located between the needle seat 19 and the lower shell 12; step four, connect the protective sleeve 25 with the lower shell 12; step five, connect the circuit board 31 with the 3PIN socket 26 welded thereon with the circuit board 31 connecting part 10, and install the power supply 24 on the lower shell 12; step six, glue in the outer ring groove of the lower shell 12, and cover the upper shell 11 with the lower shell 12 to realize fixed connection; step seven, install the patch 23 on the side of the lower shell 12 away from the upper shell 11. The transmitter 200 of the embodiment can achieve the waterproof level of IPX8.

[0057] The transmitter 200 of the embodiment can ensure stable installation of the sensor 100, reduce the risk of pulling out the sensor 100 when the needle is withdrawn, and because of the stable installation of the sensor 100, the circuit board 31 only needs to be connected with the sensor 100 through the 3PIN socket 26, among the three elastic needles 33 of the 3PIN socket 26, one elastic needle 33 is located on one side of the sensor 100 and on the symmetry line of the other two elastic needles 33, and the other two elastic needles 33 are located on the other side of the sensor 100, the three elastic needles 33 are arranged in the form of an isosceles triangle, as shown in Figure 21 The sensor 34 of the prior art needs to balance the stress through a 4PIN socket because of unstable installation, among the four elastic needles 33 of the 4PIN socket, two elastic needles 33 are located on one side of the sensor of the prior art, and the other two elastic needles 33 are located on the other side of the sensor 34 of the prior art, compared with the prior art, the embodiment reduces the cost; and the extrusion part 22 of the lower shell 12 can ensure that the implant structure 1 is effectively wrapped by the guide needle structure; and the foolproof design of the transmitter shell can facilitate quick installation of the transmitter 200.

[0058] The principle and implementation mode of the embodiment are described in the utility model, and the above embodiment is only used to help understand the method and core idea of the utility model; meanwhile, according to the idea of the utility model, the specific implementation mode and application range will be changed by the general technical personnel in the field. In conclusion, the content of the specification should not be understood as a limitation of the utility model.

Claims

1. A sensor, characterized in that: include: The device comprises a first fixing structure, a second fixing structure, and an implantation structure. The first fixing structure and the second fixing structure are both connected to the implantation structure. The first fixing structure and the second fixing structure are located on both sides of the implantation structure. The first fixing structure and the second fixing structure are both used to fix the device to the transmitter housing of the transmitter. The second fixing structure is also used to connect to the circuit board. The implantation structure is used to be implanted into the human body.

2. The sensor according to claim 1, characterized in that: The first fixing structure includes a first connecting portion, a first extending portion, a first protrusion, and a first fixing portion. One end of the first connecting portion is connected to one end of the implanted structure, and the other end of the first connecting portion extends away from the second fixing structure. One end of the first extending portion is connected to the other end of the first connecting portion, and the other end of the first extending portion extends towards the other end of the implanted structure. The first protrusion is connected to the other end of the first extending portion and one end of the first fixing portion, respectively. The first protrusion is located in the pinhole of the transmitter housing of the transmitter. The other end of the first fixing portion extends away from the second fixing structure. The first fixing portion is used to fix the transmitter housing of the transmitter.

3. The sensor according to claim 1, characterized in that: The second fixing structure includes a second connecting portion, a second extending portion, a second protrusion, a second fixing portion, and a circuit board connecting portion. One end of the second connecting portion is connected to one end of the implanted structure, and the other end of the second connecting portion extends away from the first fixing structure. One end of the second extending portion is connected to the other end of the second connecting portion, and the other end of the second extending portion extends towards the other end of the implanted structure. The second protrusion is connected to the other end of the second extending portion and one end of the second fixing portion, respectively. The second protrusion is located in the pinhole of the transmitter housing of the transmitter. The other end of the second fixing portion extends away from the first fixing structure. The second fixing portion is used to fix the transmitter housing of the transmitter. One end of the circuit board connecting portion is connected to the other end of the second fixing portion. The circuit board connecting portion is used to connect to the circuit board.

4. A transmitter, characterized in that: The device includes a transmitter housing, a guide pin structure, and a sensor as described in any one of claims 1-3, wherein the sensor and the guide pin structure are respectively connected to the transmitter housing, the guide pin structure is located outside the sensor, and one end of the guide pin structure and one end of the sensor both protrude from the transmitter housing.

5. The transmitter according to claim 4, characterized in that: The transmitter housing has a foolproof shape and includes an upper housing and a lower housing. The upper housing is provided with a first foolproof structure, and the lower housing is provided with a second foolproof structure adapted to the first foolproof structure. The upper housing and the lower housing are fixedly connected. The lower housing is provided with an installation groove and a positioning groove on the side facing the upper housing. The first fixing structure and the second fixing structure are both connected to the installation groove, and the second fixing structure is also connected to the positioning groove. The implanted structure passes through the pinhole in the lower housing and extends out of the pinhole.

6. The transmitter according to claim 5, characterized in that: The lower housing is provided with a mounting bracket and a fixing bracket on the side facing the upper housing. The mounting bracket is provided with a mounting groove and a positioning groove. The mounting groove is provided with a first mounting opening and a second mounting opening. The first mounting opening and the second mounting opening are used to mount the sensor. The fixing bracket and the sensor are respectively fixed to the mounting bracket.

7. The transmitter according to claim 5, characterized in that: The guide needle structure includes a needle base and a guide needle portion. The needle base is connected to one end of the guide needle portion, and one end of the guide needle portion extends into the needle base. The needle base passes through the through hole of the upper housing and the needle hole of the lower housing. The guide needle portion passes through the needle hole of the lower housing. The guide needle portion is provided with a guide groove and a lateral opening. The other end of the guide needle portion is provided with an implantation opening. Both the lateral opening and the implantation opening are connected to the guide groove. A squeezing part is provided at the needle hole of the lower housing. The squeezing part is used to contact the implanted structure and can squeeze the implanted structure from the lateral opening into the guide groove of the guide needle portion. The first fixing structure and the second fixing structure are both located between the needle base and the lower housing.

8. The transmitter according to claim 5, characterized in that: A patch is provided on the side of the lower housing away from the upper housing, and the patch is used to fix the transmitter to the human body.

9. The transmitter according to claim 4, characterized in that: It also includes a power supply, which is located in the transmitter housing and is electrically connected to the circuit board.

10. The transmitter according to claim 4, characterized in that: It also includes a protective sleeve, which is connected to the guide needle structure. The protective sleeve is used to protect the end of the guide needle structure that is implanted into the human body and the end of the implantation structure that is implanted into the human body.

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