An EMC test fixture for cochlear implant

Abstract

The utility model relates to a kind of EMC test fixing device of cochlear implant, including box, carrier plate and support plate;The side of the carrier plate is equipped with the fixed slot matched with cochlear, one end of the fixed slot is equipped with wire through-hole, the other side of the carrier plate is equipped with electrode recess, one end of the electrode recess is connected wire through-hole, and the other end is equipped with copper sheet;The one end of the box is equipped with opening, the carrier plate is inserted in the box, and the side equipped with fixed slot is abutted on the inner wall of the box, the one end of the support plate is abutted on the side of the carrier plate equipped with wire through-hole, and the other end is abutted on the inner wall of the box.Compared with prior art, the utility model has the advantages of simple structure, reliable fixation and high safety of electrode contact not easy to damage.

Description

Technical Field

[0001] This utility model relates to the field of medical electronic devices, and in particular to an EMC testing and fixation device for a cochlear implant. Background Technology

[0002] EMC (electromagnetic compatibility) testing of cochlear implants is a crucial step in ensuring their safe and reliable operation in an electromagnetic environment. However, cochlear implants have irregular shapes, and the contacts of the cochlear main electrode and the external reference electrode are delicate. Traditional contact testing is not easy to operate and can easily cause contact damage.

[0003] The current testing method involves directly contacting the ball tips of the main electrode and the external reference electrode with a stylus, and then connecting the stylus to an oscilloscope for testing.

[0004] However, the existing stylus contact method cannot guarantee the reliability of the contact, which may lead to test interruption. Furthermore, the stylus is prone to causing contact point damage, resulting in irreversible product quality damage to the cochlear implant. Utility Model Content

[0005] The purpose of this invention is to overcome the defects of the prior art and provide an EMC testing and fixation device for cochlear implants.

[0006] The objective of this utility model can be achieved through the following technical solutions:

[0007] An EMC testing fixation device for a cochlear implant includes a housing, a carrier plate, and a support plate;

[0008] The carrier plate has a fixing groove on one side that cooperates with the cochlear implant, and a wire through hole at one end of the fixing groove. The carrier plate has an electrode groove on the other side, with one end of the electrode groove connected to the wire through hole and the other end having a copper sheet.

[0009] One end of the box is provided with an opening, the carrier plate is inserted into the box and the side with the fixing groove abuts against the inner wall of the box, one end of the support plate abuts against the side of the carrier plate with the wire through hole, and the other end abuts against the inner wall of the box.

[0010] Preferably, the support plate includes a first sub-support plate and a second sub-support plate, which are symmetrically arranged at both ends of the carrier plate and perpendicular to the carrier plate.

[0011] Preferably, the carrier plate has a first guide groove vertically provided on the side near the support plate, and the inner wall of the box has a second guide groove corresponding to the first guide groove. The two sides of the support plate are respectively slidably inserted into the first guide groove and the second guide groove.

[0012] Preferably, the first guide groove and the second guide groove are both provided with an inverted trapezoidal slot at the end away from the bottom of the box.

[0013] Preferably, the support plate has an inverted T-shaped handle at one end away from the bottom of the box.

[0014] Preferably, the carrier plate is provided with a positioning block at one end near the bottom of the box, and the inner wall of the bottom of the box is provided with a positioning hole that cooperates with the positioning block.

[0015] Preferably, the end of the carrier plate inserted into the box body has a chamfer.

[0016] Preferably, the carrier plate has a handle at one end away from the bottom of the box, and the handle has arc-shaped cuts on both sides.

[0017] Preferably, the copper sheet includes a first sub-copper sheet and a second sub-copper sheet, and the cochlear implant includes a main electrode and an external cochlear testing electrode. The main electrode is connected to the first sub-copper sheet, and the external cochlear testing electrode is connected to the second sub-copper sheet.

[0018] Preferably, the first sub-copper sheet is located at the end of the carrier plate away from the bottom of the housing, and the second sub-copper sheet is located at the end of the carrier plate closer to the bottom of the housing. Compared with the prior art, the present invention has the following advantages:

[0019] (1) This solution uses a carrier plate to fix the cochlear implant and places a copper sheet on the other side of the carrier plate to connect the electrodes and test leads of the cochlear implant. This solution can stably fix the cochlear implant and the electrodes. The copper sheet transition avoids causing quality damage to the ball head of the cochlear implant electrode, thus improving the safety and reliability of the cochlear implant test.

[0020] (2) This solution uses a housing and a support plate to fix the carrier plate, thereby fixing the cochlear implant on the carrier plate. The housing can also hold saline solution for immersing the electrodes and cochlea. The overall structure of this fixing device is simple, easy to process, and has low manufacturing cost.

[0021] (3) In this scheme, the cochlear implant is installed on the carrier plate and the electrodes are arranged and connected. The carrier plate can be operated afterward. The device is easy to assemble and disassemble, which facilitates EMC testing of the cochlear implant. The fixation is reliable and the testing efficiency is improved. Attached Figure Description

[0022] Figure 1 A schematic diagram of the structure of the testing fixture provided by this utility model;

[0023] Figure 2 A first-view structural schematic diagram of the carrier plate provided by this utility model;

[0024] Figure 3A structural schematic diagram of the carrier plate provided by this utility model from a second perspective;

[0025] In the diagram: 1. Box body, 2. Carrier plate, 3. Support plate, 4. First sub-copper sheet, 5. Second sub-copper sheet, 6. Cochlear implant, 11. Second guide groove, 21. Fixing groove, 22. Wire through hole, 23. Electrode groove, 24. First guide groove, 25. Positioning block, 26. Handle, 31. First sub-support plate, 32. Second sub-support plate, 61. Main electrode, 62. External cochlear test electrode. Detailed Implementation

[0026] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0027] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0028] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0029] In the description of this utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the utility model product is in use. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0030] It should be noted that the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.

[0031] Furthermore, terms such as "horizontal" and "vertical" do not imply that components must be absolutely horizontal or suspended, but rather that they can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal than "vertical," and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0032] Example

[0033] like Figure 1-3 As shown, this embodiment provides an EMC testing and fixation device for a cochlear implant, including a housing 1, a carrier plate 2, and a support plate 3;

[0034] One side of the carrier plate 2 is provided with a fixing groove 21 that cooperates with the cochlear implant. One end of the fixing groove 21 is provided with a wire through hole 22. The other side of the carrier plate 2 is provided with an electrode groove 23. One end of the electrode groove 23 is connected to the wire through hole 22, and the other end is provided with a copper sheet.

[0035] One end of the box 1 is provided with an opening, the carrier plate 2 is inserted into the box 1, and the side with the fixing groove 21 abuts against the inner wall of the box 1. One end of the support plate 3 abuts against the side of the carrier plate 2 with the wire through hole 22, and the other end abuts against the inner wall of the box 1.

[0036] Working principle: The cochlear implant is placed in the fixing groove 21 of the carrier plate 2. The electrodes of the cochlear implant are then passed through the wire through-hole 22 and placed along the electrode groove 23, so that the end of the electrode contacts the copper plate. The carrier plate 2 is then inserted into the housing 1, with the side containing the cochlear implant against the inner wall of the housing 1. The support plate 3 is then inserted to stably support the carrier plate 2 against the housing 1. Saline solution is then added to the housing 1, covering the cochlear implant and the copper plate. The copper plate is connected to an oscilloscope. An RF module is installed on the outside of the housing 1 at the position corresponding to the cochlear implant. The cochlear implant is stimulated, and the waveform is read from the oscilloscope.

[0037] The cochlear implant is fixed by the carrier plate 2, and a copper sheet is placed on the other side of the carrier plate 2 to connect the electrodes of the cochlear implant and the test leads. This can stably fix the cochlear implant and the electrodes, and the transition of the copper sheet avoids quality damage to the ball head of the cochlear implant electrode, thereby improving the safety and reliability of the cochlear implant test.

[0038] In a preferred embodiment, the support plate 3 includes a first sub-support plate 31 and a second sub-support plate 32, which are symmetrically arranged at both ends of the carrier plate 2 and perpendicular to the carrier plate 2.

[0039] Furthermore, a first guide groove 24 is vertically provided on the side of the carrier plate 2 near the support plate 3, and a second guide groove 11 corresponding to the first guide groove 24 is provided on the inner wall of the box body 1. The two sides of the support plate 3 can be slidably inserted into the first guide groove 24 and the second guide groove 11 respectively.

[0040] Furthermore, both the first guide groove 24 and the second guide groove 11 have inverted trapezoidal slots at the ends away from the bottom of the housing 1.

[0041] After inserting the carrier plate 2 into the housing 1, the first sub-support plate 31 and the second sub-support plate 32 are inserted between the carrier plate 2 and the housing 1, with the carrier plate 2 abutting against the inner wall of the housing. Specifically, the first sub-support plate 31 has inverted trapezoidal slots on both sides, which facilitates the insertion of the support plate into the guide slots, into the first guide slot 24 and the second guide slot 11, thereby improving the stability of the connection between the support plate 3, the carrier plate 2, and the housing 1.

[0042] In this embodiment, the end of the support plate 3 furthest from the bottom of the housing 1 is provided with an inverted T-shaped handle. The operator can easily insert the support plate 3 into the guide groove by holding the inverted T-shaped handle. Because there is some friction between the three components, the inverted T-shaped handle helps to reduce operating effort and improves ease of operation when pulling out the support plate 3.

[0043] In this embodiment, a positioning block 25 is provided at one end of the carrier plate 2 near the bottom of the box 1, and a positioning hole that cooperates with the positioning block 25 is provided on the inner wall of the bottom of the box 1.

[0044] The carrier plate 2 has a chamfer at one end inserted into the box 1.

[0045] Specifically, a handle 26 is provided at one end of the carrier plate 2 away from the bottom of the box 1, and arc-shaped cuts are provided on both sides of the handle 26.

[0046] The positioning block 25 at the lower end of the carrier plate 2 is inserted into the positioning hole inside the box 1 to position and initially position and fix the carrier plate 2. It can also align the first guide groove 24 and the second guide groove 11, making it easier to insert the support plate 3 into the box 1.

[0047] In this embodiment, the copper sheet includes a first sub-copper sheet 4 and a second sub-copper sheet 5, and the cochlear implant 6 includes a main electrode 61 and an external cochlear test electrode 62. The main electrode 61 is connected to the first sub-copper sheet 4, and the external cochlear test electrode 62 is connected to the second sub-copper sheet 5.

[0048] The first copper sheet 4 is located at the end of the carrier plate 2 away from the bottom of the housing 1, and the second copper sheet 5 is located at the end of the carrier plate 2 near the bottom of the housing 1.

[0049] In conjunction with the preferred embodiments described above, this embodiment provides a more specific implementation method, such as... Figure 1-3As shown, the fixing groove 21 on the outer side of the carrier plate 2 fits the shape of the cochlear implant and is used to place the cochlear implant. During testing, the cochlear implant is placed in the fixing groove 21, wherein the main electrode 61 and the external cochlear reference electrode 62 of the cochlear implant 6 pass through the wire through hole 22 of the carrier plate 2 and are placed along the electrode groove 23 on the inner side of the carrier plate 2, respectively. The ball end of the electrode contacts the copper sheet, wherein the ball end of the main electrode contacts the first sub-copper sheet 4, and the external cochlear reference electrode contacts the second sub-copper sheet 5.

[0050] The carrier plate 2, with the cochlear implant already embedded, is placed into the housing 1. The inner side of the carrier plate 2 has two first guide grooves 24 on both sides, and the housing 1 also has two corresponding second guide grooves 11. Two support plates 3 are inserted along the guide grooves to secure the carrier plate 2, thus fixing it inside the housing 1. Physiological saline is injected into the housing 1, submerging the implant, the first sub-copper plate 4, and the second sub-copper plate 5. An RF module is attached to the outside of the housing 1, corresponding to the position of the cochlear implant 6. The cochlear implant 6 is stimulated through the RF module, and the waveform is read from an oscilloscope to complete the EMC test of the cochlear implant.

[0051] The preferred embodiments of this utility model have been described in detail above. It should be understood that those skilled in the art can make numerous modifications and variations based on the concept of this utility model without creative effort. Therefore, all technical solutions that can be obtained by those skilled in the art based on the concept of this utility model through logical analysis, reasoning, or limited experimentation on the basis of existing technology should be within the scope of protection defined by the claims.

Claims

1. An EMC testing and fixation device for a cochlear implant, characterized in that, It includes a housing (1), a carrier plate (2), and a support plate (3); The carrier plate (2) has a fixing groove (21) on one side that cooperates with the cochlear implant. One end of the fixing groove (21) has a wire through hole (22). The other side of the carrier plate (2) has an electrode groove (23). One end of the electrode groove (23) is connected to the wire through hole (22), and the other end has a copper sheet. The box (1) has an opening at one end, the carrier plate (2) is inserted into the box (1), and the side with the fixing groove (21) abuts against the inner wall of the box (1). One end of the support plate (3) abuts against the side of the carrier plate (2) with the wire through hole (22), and the other end abuts against the inner wall of the box (1).

2. The EMC testing and fixation device for a cochlear implant according to claim 1, characterized in that, The support plate (3) includes a first sub-support plate (31) and a second sub-support plate (32). The first sub-support plate (31) and the second sub-support plate (32) are symmetrically arranged at both ends of the carrier plate (2) and perpendicular to the carrier plate (2).

3. The EMC testing and fixation device for a cochlear implant according to claim 1, characterized in that, The carrier plate (2) has a first guide groove (24) vertically arranged on the side near the support plate (3), and the inner wall of the box (1) has a second guide groove (11) corresponding to the first guide groove (24). The two sides of the support plate (3) can be slidably inserted into the first guide groove (24) and the second guide groove (11) respectively.

4. The EMC testing and fixation device for a cochlear implant according to claim 3, characterized in that, The first guide groove (24) and the second guide groove (11) are both provided with an inverted trapezoidal slot at the end away from the bottom of the box (1).

5. The EMC testing and fixation device for a cochlear implant according to claim 1, characterized in that, The support plate (3) has an inverted T-shaped handle at one end away from the bottom of the box (1).

6. The EMC testing and fixation device for a cochlear implant according to claim 1, characterized in that, The carrier plate (2) is provided with a positioning block (25) at one end near the bottom of the box (1), and the inner wall of the bottom of the box (1) is provided with a positioning hole that cooperates with the positioning block (25).

7. The EMC testing and fixation device for a cochlear implant according to claim 1, characterized in that, The carrier plate (2) has a chamfer at one end inserted into the box (1).

8. The EMC testing and fixation device for a cochlear implant according to claim 1, characterized in that, The carrier plate (2) has a handle (26) at one end away from the bottom of the box (1), and the handle (26) has arc-shaped cuts on both sides.

9. The EMC testing and fixation device for a cochlear implant according to claim 1, characterized in that, The copper sheet includes a first sub-copper sheet (4) and a second sub-copper sheet (5). The cochlear implant (6) includes a main electrode (61) and an external cochlear test electrode (62). The main electrode (61) is connected to the first sub-copper sheet (4), and the external cochlear test electrode (62) is connected to the second sub-copper sheet (5).

10. The EMC testing and fixation device for a cochlear implant according to claim 9, characterized in that, The first sub-copper sheet (4) is located at the end of the carrier plate (2) away from the bottom of the box (1), and the second sub-copper sheet (5) is located at the end of the carrier plate (2) near the bottom of the box (1).

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