Pin length control device for receiving coil of artificial cochlea implant
By designing a device that includes a base, a limiting component, and a cutting component, the problem of inconsistent pin lengths of the receiving coil was solved, achieving precise control of pin length and optimization of cutting effect, thereby improving product performance and operational safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANGHAI HUALING ARTIFICIAL EAR MEDICAL TECH
- Filing Date
- 2025-04-22
- Publication Date
- 2026-05-19
AI Technical Summary
In existing technologies, inconsistencies in the pin lengths of the receiving coil lead to decreased energy efficiency, signal distortion, and system instability. Furthermore, the trimming process relies on manual operation, making it difficult to guarantee consistency and safety.
Design a device comprising a base, a limiting component, and a cutting component. The base has a first step surface and a second step surface. The limiting component presses against the receiving coil pin. The cutting component is used to cut off the excess portion. Combined with a sliding connection and a reset mechanism, precise control of the pin length can be achieved.
This achieved uniformity in the length of the receiving coil pins and optimized cutting results, improving operational convenience and safety, and ensuring consistent product performance and a clean production environment.
Smart Images

Figure CN224254094U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of medical electronic device technology, and in particular to a device for controlling the pin length of the receiving coil of a cochlear implant. Background Technology
[0002] The receiving coil (also known as the internal coil or implant coil) is one of the core components of a cochlear implant. Its main functions include: ① receiving external signals; ② providing power supply; ③ data decoding and transmission; and ④ ensuring signal transmission stability. Therefore, the receiving coil is a crucial "bridge" for the cochlear implant to achieve wireless signal transmission and power supply. Its performance directly affects the communication efficiency between the implant and external devices, as well as the reliability of the cochlear implant system. Therefore, its design must balance signal fidelity, power transmission efficiency, and long-term implantation safety.
[0003] Taking the pin length of the receiving coil as an example, excessively long pins may lead to decreased energy efficiency, signal distortion, and system instability, while excessively short pins may affect the soldering process or mechanical strength. Therefore, a balance must be struck between resistance loss, parasitic effects, anti-interference capability, and mechanical reliability during design and production. Current processes mainly rely on manual measurement and cutting with a ruler, which requires skilled operators, results in uneven cuts, and is susceptible to measurement errors and coil deformation, leading to poor consistency in receiving coil pin length and electrical performance. Therefore, a device for controlling the pin length of the cochlear implant receiving coil needs to be designed to more easily control the pin length and further ensure product performance. Utility Model Content
[0004] The purpose of this invention is to overcome the shortcomings of the existing technology by providing a device for controlling the pin length of the receiving coil in a cochlear implant, which can more conveniently control the pin length of the receiving coil and further ensure product performance.
[0005] The objective of this utility model can be achieved through the following technical solutions:
[0006] This utility model provides a device for controlling the pin length of a cochlear implant receiver coil, including a base, a limiting component, and a cutting component;
[0007] The base includes a first step and a second step, the first step being higher than the second step, and the limiting component being located at the end of the first step near the second step. The first step has a groove that fits the outer contour of the receiving coil. When the receiving coil is placed in the groove, its pins point towards the second step and are pressed by the limiting component. The cutting component is disposed on the second step and is used to cut off the pins of the receiving coil that extend beyond the first step.
[0008] Furthermore, the limiting component includes a pressure plate and two guide pins. The pins of the receiving coil are located between the two guide pins. The guide pins are fixed on the first stepped surface. The pressure plate passes through the guide pins and cooperates with the first stepped surface to press the pins of the receiving coil tightly.
[0009] Furthermore, the guide pin is fixed to the first step surface by threads.
[0010] Furthermore, the cutting assembly includes a support, a handle, and a cutting blade. The support is fixed on the second step surface, the handle is rotatably fixed on the support, the rotation surface of the handle coincides with the intersection surface of the first step surface and the second step surface, and the cutting blade is fixed to the bottom of the handle.
[0011] Furthermore, the support is tightened and fixed to the second step surface by the first bolt, and the handle is fixed to the support by the second bolt.
[0012] Furthermore, the cutter is fixed to the bottom of the handle by screws.
[0013] Furthermore, a reset mechanism is provided at the connection between the handle and the support, so that the cutting blade at the bottom of the handle is higher than the plane where the first step surface is located when no external force is applied.
[0014] Furthermore, the reset mechanism includes a spring reset mechanism, a magnetic reset mechanism, and a hydraulic or pneumatic reset mechanism.
[0015] Furthermore, the first and second surfaces are slidably connected.
[0016] Furthermore, the edge of the second step surface is provided with a closed or semi-closed outer shell.
[0017] Compared with the prior art, the present invention has the following advantages:
[0018] 1. This utility model designs a device for controlling the pin length of a cochlear implant receiver coil, including a base, a limiting component, and a cutting component; wherein, the base includes a first step surface and a second step surface, the horizontal height of the first step surface is greater than that of the second step surface, and the limiting component is located at the end of the first step surface near the second step surface; the first step surface has a groove that fits the outer contour of the receiver coil, and when the receiver coil is placed in the groove, its pins point towards the second step surface and are pressed by the limiting component; the cutting component is set on the second step surface and is used to cut off the pins of the receiver coil that extend beyond the first step surface; the above device has a simple structure and can easily achieve uniformity of the receiver coil pin length, thereby ensuring product performance.
[0019] 2. In this utility model, a reset mechanism is provided at the connection between the handle and the support. When no external force is applied, the cutting blade at the bottom of the handle is higher than the plane where the first step surface is located, which makes it easier to place the receiving coil in the groove or remove it from the groove during the processing, thereby improving the convenience and safety of operation.
[0020] 3. In this utility model, the first-level surface and the second-level surface are slidably connected, so the length of the pin cutting can be adjusted as needed to flexibly adapt to different production requirements.
[0021] 4. In this utility model, the edge of the second-level surface is provided with a closed or semi-closed shell, which can prevent waste material after cutting from splashing arbitrarily, ensuring the cleanliness of the production environment and the safety of the staff. Attached Figure Description
[0022] Figure 1 This is the front view of the present invention;
[0023] Figure 2 This is a top view of the base;
[0024] Explanation of reference numerals in the attached drawings: 1. Base; 2. Pressure plate; 3. Guide pin; 4. Support; 5. Handle; 6. Cutting knife; 7. First bolt; 8. Second bolt; 9. Screw; 10. Corner position of the groove; 11. Intersection surface of the first and second steps; 12. Receiving coil. Detailed Implementation
[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some, not all, of the embodiments of the present utility model. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of the present utility model.
[0026] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "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. 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.
[0027] Furthermore, 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. Thus, 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.
[0028] Example:
[0029] This embodiment provides a device for controlling the pin length of the receiving coil in a cochlear implant, such as... Figure 1 As shown, the system includes a base 1, a limiting component, and a cutting component. The base 1 includes a first surface and a second surface, with the first surface having a higher horizontal height than the second surface. The limiting component is located at the end of the first surface closer to the second surface. A groove is provided on the first surface that conforms to the outer contour of the receiving coil 12. When the receiving coil 12 is placed in the groove, its leads point towards the second surface and are pressed down by the limiting component. The distance between the corner position 10 of the groove and the intersection surface 11 of the first and second surfaces is the required length of the receiving coil leads. The cutting component is located on the second surface and is used to cut off the leads of the receiving coil 12 that extend beyond the first surface.
[0030] Specifically, the limiting assembly includes a pressure plate 2 and two guide pins 3. The pins of the receiving coil 12 are located between the two guide pins 3, and the guide pins 3 are fixed to the first stepped surface by threads. The pressure plate 2 passes through the guide pins 3 and cooperates with the first stepped surface to press the pins of the receiving coil 12 tightly.
[0031] The cutting assembly includes a support 4, a handle 5, and a cutting blade 6, such as Figure 2 As shown, the support 4 is tightened and fixed to the second step surface by the first bolt 7, and the handle 5 is rotatably fixed to the support 4 by the second bolt 8. The rotating surface of the handle 5 coincides with the intersection surface 11 of the first step surface and the second step surface, and the cutter 6 is fixed to the bottom of the handle 5 by the screw 9. When using the above device, the receiving coil 12 with the uncut lead length is placed in the groove, the movement of the receiving coil is restricted by the pressure plate 2, and then the handle 5 is pressed down, which drives the cutter 6 to cut off the excess lead.
[0032] In a preferred embodiment, a reset mechanism is provided at the connection between the handle 5 and the support 4. When not subjected to external force, the cutting blade 6 at the bottom of the handle 5 is higher than the plane containing the first step surface, facilitating the placement or removal of the receiving coil from the groove during processing, thus improving operational convenience and safety. The reset mechanism can be a spring reset mechanism (e.g., a torsion spring is installed on the shaft of the handle 5; the spring is stressed during rotation and rebounds when released, returning the handle 5 to its original position), a magnetic reset mechanism (e.g., magnets are installed on the handle 5 and the support 4 respectively; the force applied during rotation is greater than the magnetic force, and the magnetic force returns it to its original position when released), a hydraulic or pneumatic reset mechanism, etc.
[0033] In a preferred embodiment, the first and second surfaces are slidably connected, which allows the length of the pin cutting to be adjusted as needed to flexibly adapt to different production requirements.
[0034] In a preferred embodiment, a closed or semi-closed transparent shell is provided at the edge of the second surface to prevent waste material from splashing around after cutting, ensuring a clean production environment and the safety of workers. In another preferred embodiment, a magnetic block can be provided on the second surface to attract the waste material generated after cutting, achieving the same effect.
[0035] Compared with existing devices, the above-mentioned device has the following advantages:
[0036] (1) It has a simple structure, is easy to process, and has low production and manufacturing costs.
[0037] (2) It is easy to operate and can more conveniently control the pin length of the receiving coil, and flexibly meet different production needs.
[0038] (3) The cutting effect is good, the cut is flat and smooth, without burrs, and the length is precisely controlled.
[0039] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any person skilled in the art can easily conceive of various equivalent modifications or substitutions within the technical scope disclosed in this utility model, and these modifications or substitutions should all be covered within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the scope of the claims.
Claims
1. An artificial cochlea implant receiver coil pin length control device, characterized by, Includes a base (1), a limiting component, and a cutting component; The base (1) includes a first step surface and a second step surface. The horizontal height of the first step surface is greater than that of the second step surface. The limiting component is located at one end of the first step surface near the second step surface. The first step surface is provided with a groove that fits the outer contour of the receiving coil (12). When the receiving coil (12) is placed in the groove, its pins point in the direction of the second step surface and are pressed by the limiting component. The cutting component is disposed on the second step surface and is used to cut off the pins of the receiving coil (12) that extend beyond the first step surface.
2. The cochlear implant receiver coil lead length control device of claim 1, wherein, The limiting component includes a pressure plate (2) and two guide pins (3). The pins of the receiving coil (12) are located between the two guide pins (3). The guide pins (3) are fixed on the first step surface. The pressure plate (2) passes through the guide pins (3) and cooperates with the first step surface to press the pins of the receiving coil (12) together.
3. The cochlear implant receiver coil lead length control device of claim 2, wherein, The guide pin (3) is fixed to the first step surface by threads.
4. The cochlear implant receiver coil lead length control device of claim 1, wherein, The cutting assembly includes a support (4), a handle (5), and a cutting blade (6). The support (4) is fixed on the second step surface. The handle (5) is rotatably fixed on the support (4). The rotation surface of the handle (5) coincides with the intersection surface (11) of the first step surface and the second step surface. The cutting blade (6) is fixed to the bottom of the handle (5).
5. The cochlear implant receiver coil lead length control device of claim 4, wherein, The support (4) is tightened and fixed to the second step surface by the first bolt (7), and the handle (5) is fixed to the support (4) by the second bolt (8).
6. The cochlear implant receiver coil lead length control device of claim 4, wherein, The cutter (6) is fixed to the bottom of the handle (5) by screws (9).
7. The cochlear implant receiver coil lead length control apparatus of claim 4, wherein, A reset mechanism is provided at the connection between the handle (5) and the support (4). When not subjected to external force, the cutter (6) at the bottom of the handle (5) is higher than the plane where the first step surface is located.
8. The cochlear implant receiver coil lead length control device of claim 7, wherein, The reset mechanism includes a spring reset mechanism, a magnetic reset mechanism, and a hydraulic or pneumatic reset mechanism.
9. The cochlear implant receiver coil lead length control apparatus of claim 1, wherein, The first and second surfaces are slidably connected.
10. The cochlear implant receiver coil lead length control apparatus of claim 1, wherein, The edge of the second-level surface is provided with a closed or semi-closed shell.