Intraoperative test electrode inspection tool
By designing an intraoperative testing electrode inspection fixture consisting of a conductive socket, a first conductive post, and a conductive control component, the problems of inaccurate measurement and easy damage caused by the excessive thinness and softness of the platinum-iridium alloy wire were solved, achieving efficient and accurate electrode testing.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHAOMU TECH (BEIJING) CO LTD
- Filing Date
- 2025-03-28
- Publication Date
- 2026-05-01
AI Technical Summary
In existing technologies, the platinum-iridium alloy wires of the intraoperative testing electrodes are too thin and soft, making it difficult to measure data directly with a multimeter or causing them to break easily, thus affecting the accuracy of the measurement.
Design an intraoperative testing electrode inspection fixture, including a conductive socket, a first conductive post, a second conductive post, and a conductive control component. Through stable electrical connection and control, it enables the individual testing of intraoperative testing electrodes, avoiding inaccurate data measurement or damage when directly measuring platinum-iridium alloy wires.
It improves the accuracy and efficiency of measurement, saves manpower, ensures the stability and reliability of electrode detection, and is suitable for single-person operation.
Smart Images

Figure CN224190214U_ABST
Abstract
Description
Intraoperative testing electrode inspection fixture Technical Field
[0001] This utility model relates to an auxiliary device for electrode testing, specifically to an intraoperative testing electrode testing fixture. Background Technology
[0002] Intraoperative testing electrodes are medical devices used to monitor and test patients' electrophysiological signals. They are mainly used in neurosurgery, cardiac surgery, and other surgeries to help doctors accurately locate and assess the feasibility and outcome of the surgery.
[0003] The core components of an intraoperative testing electrode include the electrode tip, leads, connectors, and fixation devices. Optimized design of these structures helps improve surgical precision and safety. The electrode tip typically contains multiple contacts for recording or stimulating different neural nuclei or cortical regions. For example, in deep brain stimulation (DBS), the electrode tip may contain four or more contacts, each approximately 1.5 mm in length. Electrode leads connect the electrode contacts to the connectors for transmitting electrophysiological signals or current. The electrode is connected to an electrophysiological monitoring system or stimulation device via specific connectors that ensure good electrical contact and signal transmission.
[0004] Currently, intraoperative testing electrodes undergo rigorous quality inspection during production, with continuity testing being particularly crucial. To test the continuity of the electrode wire, a multimeter in resistance mode is used. The method involves connecting the red and black probes of the multimeter to the two ends of the electrode wire, respectively, and observing the multimeter reading. If the pointer resistance is close to 0 or the displayed resistance value is low, the electrode wire is continuous; if the pointer does not move or the displayed resistance value is high, the electrode wire is disconnected.
[0005] In the above-mentioned detection methods, the electrode wires of the intraoperative test electrodes are usually platinum-iridium alloy wires. Platinum-iridium alloy wires are too thin and soft, and it is easy to fail to measure data directly with a multimeter and the platinum-iridium alloy wires are easily broken, which can affect the accuracy of the measurement. Therefore, the existing technology still needs to be improved. Summary of the Invention
[0006] In view of this, the present invention proposes an intraoperative testing electrode inspection fixture for detecting the continuity or other performance of intraoperative testing electrodes, which can at least solve the technical problem of poor performance of existing intraoperative testing electrode inspection devices.
[0007] This utility model proposes an intraoperative testing electrode inspection fixture, comprising: a conductive socket, a first conductive post, a second conductive post, and a conductive control component. The conductive socket is used to insert the connector of the intraoperative testing electrode, and has multiple sockets corresponding to the copper pins in the connector. There are multiple first conductive posts, each electrically connected to one socket. There are multiple second conductive posts, each corresponding to a contact point on the electrode tip of the testing electrode. The conductive control component is electrically connected to the multiple second conductive posts and is used to control the contact and disconnection between the second conductive posts and the electrode tip.
[0008] In some embodiments, each of the plurality of first conductive posts and the plurality of second conductive posts is provided with an identifier, and the identifier on the first conductive post corresponds one-to-one with the identifier on the second conductive post.
[0009] In some embodiments, the conductive control component includes a PCB board and conductive pins; there are multiple conductive pins mounted at corresponding positions on the PCB board, each conductive pin is used to contact a contact point on the electrode head of the test electrode, and each conductive pin is connected to a second conductive post via a second wire.
[0010] In some embodiments, the intraoperative testing electrode inspection fixture further includes a clamp, which includes a base plate and a clamping plate. The base plate is provided with a slot for placing an electrode head, and the clamping plate is disposed above the base plate. A PCB board is mounted on the clamping plate, and a conductive needle extends downward through the PCB board and the clamping plate. The clamping plate and the base plate are clamped together. The clamping plate has a first state in which the lower end of the conductive needle contacts the contact point, and a second state in which the lower end of the conductive needle is separated from the contact point.
[0011] In some embodiments, a hinge seat is provided between the clamping plate and the base plate, and the clamping plate and the base plate are rotatably connected through the hinge seat. A compression spring is also connected between the clamping plate and the base plate.
[0012] In some embodiments, each conductive needle has an adjustment cap at its lower end, and the adjustment cap is threadedly connected to the conductive needle.
[0013] In some embodiments, an adjustment cap is fitted onto the lower end of each conductive needle, and the adjustment cap is connected to the conductive needle via a spring.
[0014] In some embodiments, the intraoperative testing electrode inspection fixture further includes a mounting base, a conductive socket, and a plurality of first conductive posts mounted on the mounting base.
[0015] In some embodiments, the intraoperative testing electrode inspection fixture also includes a carrier plate, on which a mounting base, a clamp, and a plurality of second conductive posts are mounted.
[0016] In some embodiments, the socket, the first conductive post, the second conductive post, and the conductive pin in the conductive socket are all made of copper.
[0017] The beneficial effects of this utility model are as follows: The intraoperative testing electrode inspection fixture proposed in this utility model, by setting up a conductive socket, a first conductive post, a second conductive post, and a conductive control component, can avoid the situation where data cannot be measured due to the thinness and softness of the platinum-iridium alloy wire, or the platinum-iridium alloy wire being broken, when directly measuring the intraoperative testing electrode with a multimeter. Only one person is needed to operate the measurement, saving manpower and improving measurement efficiency. Specifically, when it is necessary to test the continuity of the intraoperative testing electrode, the connecting connector of the intraoperative testing electrode is inserted into the conductive socket, and the conductive control component controls the second conductive post to make contact with the contact point on the electrode head. Then, the two probes of the multimeter are connected to one of the first conductive posts and one of the second conductive posts respectively to establish an electrical connection for testing. Each circuit of the intraoperative testing electrode is tested one by one, such as testing the continuity of each circuit of the electrode, which is convenient to use. Attached Figure Description
[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other embodiments can be obtained based on these drawings without creative effort.
[0019] Figure 1 is a top view schematic diagram of an intraoperative testing electrode inspection fixture provided in an embodiment of the present invention;
[0020] Figure 2 is a front view schematic diagram of an intraoperative testing electrode inspection tool provided in an embodiment of the present invention, which does not include the second lead wire;
[0021] Figure 3 is a right-side schematic diagram of an intraoperative testing electrode inspection fixture provided in an embodiment of the present invention, which does not include the second lead wire;
[0022] Figure 4 is a schematic diagram of the intraoperative testing electrode.
[0023] Explanation of reference numerals in the attached figures:
[0024] 1. Carrier plate; 2. Mounting base; 3. Clamp; 31. Base plate; 32. Clamping plate; 33. Hinge base; 34. Slot; 35. Compression spring; 4. First conductive post; 5. Second conductive post; 6. Conductive pin; 7. First wire; 8. Adjusting cap; 9. Connecting connector; 10. Electrode head; 11. Contact point; 12. Conductive socket; 13. PCB board; 14. Second wire. Detailed Implementation
[0025] To make the objectives, technical solutions, and advantages of this utility model clearer, the embodiments of this utility model will be further described in detail below with reference to specific examples and accompanying drawings.
[0026] It should be noted that all uses of "first" and "second" in the embodiments of this utility model are for the purpose of distinguishing two entities or parameters with the same name but different names. It is clear that "first" and "second" are only for the convenience of expression and should not be construed as limiting the embodiments of this utility model. Subsequent embodiments will not explain this in detail.
[0027] This invention proposes an intraoperative testing electrode inspection fixture comprising: a conductive socket 12, first conductive posts 4, second conductive posts 5, and a conductive control component. The conductive socket 12 is used to insert the connecting connector 9 of the intraoperative testing electrode. The conductive socket 12 is provided with multiple insertion holes corresponding to the copper needles in the connecting connector 9, allowing each copper needle to be inserted into its corresponding insertion hole. Multiple first conductive posts 4 are present, each electrically connected to one insertion hole via a first wire 7. Through the first conductive posts 4 and the first wire 7, the conductive socket 12 achieves electrical connection with multiple first conductive posts 4. This stable electrical connection ensures smooth current flow between the electrode and the inspection fixture, reducing the possibility of resistance changes and signal interference, and improving the accuracy and stability of the test results. Multiple second conductive posts 5 are present, each corresponding to a contact 11 on the electrode head 10 of the intraoperative testing electrode, ensuring that each contact 11 has a corresponding second conductive post 5 for operation. The conductive control component is electrically connected to a plurality of second conductive posts 5 and is used to control the contact and disconnection between the second conductive posts 5 and the contacts 11 of the electrode head 10.
[0028] When a continuity test of the intraoperative testing electrode is required, the connecting connector 9 of the intraoperative testing electrode is inserted into the conductive socket 12, and the conductive control component controls the second conductive post 5 to contact the contact 11 on the electrode head 10. Then, the two probes of a multimeter are connected to a first conductive post 4 and a second conductive post 5 respectively to establish an electrical connection for testing. Each circuit of the intraoperative testing electrode is tested one by one, for example, to check the continuity of each circuit of the electrode.
[0029] This application utilizes the aforementioned intraoperative testing electrode testing fixture to test the intraoperative testing electrode, avoiding situations where data cannot be measured due to the platinum-iridium alloy wire being too thin or soft, or where the platinum-iridium alloy wire is broken. Only one person is required to operate the measurement, saving manpower and improving measurement efficiency.
[0030] In some embodiments, each of the plurality of first conductive posts 4 and the plurality of second conductive posts 5 is marked with an identifier, the identifier on the first conductive post 4 corresponding to the identifier on the second conductive post 5. For example, in this embodiment, the connector 9 has four copper pins, the conductive socket 12 has four plugs, and there are also four first conductive posts 4 and four second conductive posts 5. The four first conductive posts 4 and the four second conductive posts 5 are respectively labeled 1, 2, 3, and 4, and the first conductive posts 4 and second conductive posts 5 with the same serial number correspond one-to-one. This makes it easy to clearly identify which circuit is being tested when testing electrodes during the testing procedure, and also facilitates recording, greatly improving testing efficiency. In addition, English symbols or patterns can be used to mark each first conductive post 4 and each second conductive post 5, so that the testing personnel can quickly identify the circuit being tested.
[0031] In some embodiments, the conductivity control component includes a PCB board 13 and conductive pins 6. Multiple conductive pins 6 are mounted at corresponding positions on the PCB board 13. Each conductive pin 6 is used to contact a contact 11 on the electrode head 10 of the intraoperative test electrode, and each conductive pin 6 is connected to a second conductive post 5 via a second wire 14. This application, through the arrangement of the conductive pins 6 and the second wire 14, enables the second conductive post 5 to contact or disconnect from the contact 11 on the electrode head 10 of the intraoperative test electrode, facilitating the smooth implementation of the detection process.
[0032] In some embodiments, the intraoperative testing electrode inspection fixture further includes a clamp 3, which includes a base plate 31 and a clamping plate 32. The base plate 31 is provided with a slot 34 for placing the electrode head 10. The clamping plate 32 is disposed above the base plate 31, and the PCB board 13 is mounted on the clamping plate 32. The conductive needle 6 extends downward through the PCB board 13 and the clamping plate 32. The clamping plate 32 clamps and cooperates with the base plate 31. The clamping plate 32 has a first state in which the lower end of the conductive needle 6 contacts the contact point 11, and a second state in which the lower end of the conductive needle 6 is separated from the contact point 11. The fixture 3 facilitates the rapid positioning of the electrode head 10 and the smooth switching of the conductive control component between the first and second states, thereby improving the detection efficiency.
[0033] In some embodiments, a hinge seat 33 is provided between the clamping plate 32 and the base plate 31, and the clamping plate 32 and the base plate 31 are rotatably connected through the hinge seat 33. A compression spring 35 is also connected between the clamping plate 32 and the base plate 31. Specifically, the compression spring 35 and the slot 34 are respectively provided at both ends of the base plate 31. In the natural state, the compression spring 35 is in a compressed state, and the end of the base plate 31 with the slot 34 is in contact with the clamping plate 32. When it is necessary to place the electrode head, press one end of the clamping plate 32 to open the slot 34. With the above configuration, it is possible to facilitate the rapid placement of the electrode head 10 and to make the conductive needle 6 contact the contact point 11 on the electrode head 10. This allows the clamping plate 32 to switch smoothly between the first state and the second state.
[0034] In some embodiments, each conductive needle 6 is provided with an adjustment cap 8 at its lower end. The adjustment cap 8 is threadedly connected to the conductive needle 6, that is, the adjustment cap 8 can be adjusted to the position on the conductive needle 6. It may be adapted to electrode heads 10 of different thicknesses, or the conductive needle 6 and the contact 11 on the electrode head 10 may be poorly connected by adjusting the position of the adjustment cap 8 to make the conductive needle 6 and the contact 11 conduct.
[0035] In some embodiments, an adjustment cap 8 is fitted at the lower end of each conductive needle 6. The adjustment cap 8 and the conductive needle 6 slide together in the up-down direction. A spring is provided inside the adjustment cap 8. The adjustment cap 8 is connected to the conductive needle 6 through the spring, which facilitates automatic adjustment according to the thickness of the electrode head 10 and ensures good contact between the adjustment cap 8 and the contact point 11.
[0036] In some embodiments, the intraoperative testing electrode inspection fixture further includes a mounting base 2, a conductive socket 12, and a plurality of first conductive posts 4 mounted on the mounting base 2. This facilitates the assembly and fixation of the conductive socket 12 and the plurality of first conductive posts 4.
[0037] In some embodiments, the intraoperative testing electrode inspection fixture further includes a carrier plate 1, a mounting base 2, a clamp 3, and a plurality of second conductive posts 5, all mounted on the carrier plate 1. The plurality of second conductive posts 5 are arranged circumferentially around the clamp 3, improving the integration effect of the intraoperative testing electrode inspection fixture.
[0038] In some embodiments, the socket, first conductive post 4, second conductive post 5, and conductive pin 6 in the conductive socket 12 are all made of copper. This material has high hardness and excellent conductivity, resulting in stable test results. Furthermore, if an adjusting cap 8 is provided at the lower end of each conductive pin 6, the adjusting cap 8 is also made of copper. Furthermore, if the adjusting cap 8 is connected to the conductive pin 6 via a spring, the spring is also made of copper to ensure the reliable use of this intraoperative testing electrode fixture.
[0039] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.
[0040] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this patent application should be determined by the appended claims.
Claims
1. A tooling for inspecting intraoperative testing electrodes, characterized in that, include: A conductive socket (12) is used to insert the connection connector (9) of the intraoperative test electrode. The conductive socket (12) is provided with a plurality of sockets corresponding to the copper needles in the connection connector (9). A first conductive post (4) is provided, and there are a plurality of first conductive posts (4). Each first conductive post (4) is electrically connected to a socket. A second conductive post (5) is provided, and each second conductive post (5) is provided with a contact on the electrode head (10) of the intraoperative test electrode. A conductive control component is electrically connected to a plurality of second conductive posts (5) and is used to control the contact and disconnection between the second conductive post (5) and the electrode head (10).
2. The intraoperative testing electrode inspection fixture according to claim 1, characterized in that, Each of the first conductive post (4) and the second conductive post (5) is marked with an identifier, and the identifier on the first conductive post (4) corresponds one-to-one with the identifier on the second conductive post (5).
3. The intraoperative testing electrode inspection fixture according to claim 1, characterized in that, The conductive control component includes a PCB board (13) and conductive pins (6); there are multiple conductive pins (6), which are installed at corresponding positions on the PCB board (13). Each conductive pin (6) is used to contact a contact point on the electrode head (10), and each conductive pin (6) is connected to a second conductive post (5) through a second wire (14).
4. The intraoperative testing electrode inspection fixture according to claim 3, characterized in that, It also includes a clamp (3), which includes a base plate (31) and a clamping plate (32). The base plate (31) is provided with a slot (34) for placing the electrode head (10). The clamping plate (32) is located above the base plate (31). The PCB board (13) is mounted on the clamping plate (32), and the conductive needle (6) extends downward through the PCB board (13) and the clamping plate (32). The clamping plate (32) clamps and cooperates with the base plate (31). The clamping plate (32) has a first state in which the lower end of the conductive needle (6) contacts the contact point, and a second state in which the lower end of the conductive needle (6) is separated from the contact point.
5. The intraoperative testing electrode inspection fixture according to claim 4, characterized in that, A hinge seat (33) is provided between the clamping plate (32) and the base plate (31). The clamping plate (32) and the base plate (31) are rotatably connected through the hinge seat (33). A compression spring (35) is also connected between the clamping plate (32) and the base plate (31).
6. The intraoperative testing electrode inspection fixture according to claim 3, characterized in that, Each of the conductive needles (6) is provided with an adjustment cap (8) at its lower end, and the adjustment cap (8) is threadedly connected to the conductive needle (6).
7. The intraoperative testing electrode inspection fixture according to claim 3, characterized in that, Each of the conductive needles (6) has an adjustment cap (8) fitted at its lower end, and the adjustment cap (8) is connected to the conductive needle (6) by a spring.
8. The intraoperative testing electrode inspection fixture according to claim 4, characterized in that, It also includes a mounting base (2), on which the conductive socket (12) and a plurality of the first conductive posts (4) are mounted.
9. The intraoperative testing electrode inspection fixture according to claim 8, characterized in that, It also includes a carrier plate (1), on which the mounting base (2), the clamp (3) and the plurality of second conductive posts (5) are mounted.
10. The intraoperative testing electrode inspection fixture according to claim 3, characterized in that, The socket, the first conductive post (4), the second conductive post (5), and the conductive pin (6) in the conductive socket (12) are all made of copper.