CN214435853U

CN214435853U - Universal connector and device for implanted electrode and injection voltage testing device

Info

Publication number: CN214435853U
Application number: CN202022886012.2U
Authority: CN
Inventors: 李冰; 王伟明; 李路明; 吴峰; 艾飞
Original assignee: Tsinghua University; Beijing Pins Medical Co Ltd
Current assignee: Tsinghua University; Beijing Pins Medical Co Ltd
Priority date: 2020-12-02
Filing date: 2020-12-02
Publication date: 2021-10-22
Anticipated expiration: 2030-12-02

Abstract

The utility model provides a plant into electrode universal connector, device and injection voltage testing arrangement, this implant electrode universal connector, including a plurality of conductive terminal, in the column is implanted the electrode and is installed universal connector, partial conductive terminal can realize the electricity with the electrode contact and be connected, because each conductive terminal all is connected with a connecting wire, and connecting wire's the other end sets up to the free end, the tester as long as all conductive terminal's connecting wire with same electrode contact connection all be connected to in the same test channel can realize the test to this electrode contact. Because the specifications of the columnar implanted electrodes are different, the conductive terminals electrically connected with the electrode contacts are different, and in order to realize the universality of the connection of the implanted electrodes with different specifications, a tester can adjust the connection condition of each connecting lead and the test channel according to the contact condition of the conductive terminals and the electrode contacts.

Description

Universal connector and device for implanted electrode and injection voltage testing device

Technical Field

The utility model relates to an implanted medical instrument technical field, concretely relates to implant electrode universal connector, have this universal connector implant electrode universal connecting device to and have this universal connecting device be used for implanted neural stimulator electromagnetic compatibility test's injection voltage testing arrangement.

Background

For an active implanted nerve stimulator, an electromagnetic interference protection test is required, especially for the test of electromagnetic interference protection with the frequency of 16.6Hz-80MHz, the influence of magnetic field and electric field coupling on a patient lead is considered, and a complete machine test (including not only the stimulator itself, but also lead parts such as an extension lead, an electrode and the like) is required. The traditional mode adopts manual testing, and the testing efficiency is low, and the accuracy is low.

In order to solve the problems of low test efficiency and low accuracy, chinese patent document CN 209728070U discloses an injection voltage testing device for an implanted neurostimulator electromagnetic compatibility test, which realizes a complete machine test by the cooperation of an injection voltage testing circuit board and a testing tool, however, the injection voltage testing device can only test an implanted electrode of one specification, if testing implanted electrodes of multiple specifications, multiple sets of injection voltage testing devices of different specifications need to be customized, which is expensive, and the test efficiency is also low because a conversion device is needed for testing operation.

SUMMERY OF THE UTILITY MODEL

Therefore, the embodiment of the utility model provides a technical problem that solve lies in overcoming the injection voltage testing arrangement who is used for implanted neurostimulator electromagnetic compatibility test among the prior art and can only test to the implanted electrode of a specification, defect that efficiency of software testing is low to provide one kind and can implant general connecting device of electrode, device and injection voltage testing arrangement that the electrode tested to different specifications is implanted.

The embodiment of the utility model provides an adopted technical scheme as follows:

in a first aspect, an embodiment of the present invention provides an implanted electrode universal connector for use in an injection voltage testing apparatus for an implanted neurostimulator electromagnetic compatibility test, the universal connector includes:

an outer frame;

the conductive terminals are distributed on the inner side of the outer frame, the arrangement of the conductive terminals is matched with the shape of an implanted electrode, two adjacent conductive terminals are isolated from each other, and part of the conductive terminals are contacted with an electrode contact of the implanted electrode after the implanted electrode is installed to realize electric connection;

and one end of each connecting wire is connected to each conductive terminal, the other end of each connecting wire is a free end, and the free ends can be connected to the same injection voltage testing channel.

Optionally, the plurality of conductive terminals are uniformly distributed on the inner side of the outer frame.

Optionally, the plurality of terminals are arranged in a rectangle.

Optionally, the other end of the connecting wire is provided as a movable connector.

In a second aspect, another embodiment of the present invention provides a universal connection device for implanted electrodes, including:

according to a first aspect, an implanted electrode universal connector is provided;

the second plug end comprises a plurality of first connecting contact points, and each first connecting contact point is communicated with the corresponding injection voltage testing channel; the free ends of the connecting leads of all conductive terminals connected to the same electrode contact are connected to the same first connecting contact.

Optionally, all of the conductive terminals not in contact with the electrode contacts are grounded.

Optionally, the second socket end further includes a second connection contact, and the second connection contact is grounded; the free ends of the connecting leads of the conductive terminals not in contact with the electrode contacts are connected to the second connecting contacts.

In a third aspect, another embodiment of the present invention provides an injection voltage testing apparatus for electromagnetic compatibility testing of an implantable neurostimulator, which is characterized by comprising a universal connection apparatus for implanted electrodes provided according to an embodiment of the second aspect.

The utility model discloses technical scheme has following advantage:

1. the utility model provides an implant electrode universal connector, realized the column with different specifications and implanted the commonality electricity of electrode and be connected, the column of different specifications is implanted electrode contact interval and is different, the utility model provides an implant electrode universal connector, including a plurality of conductive terminal, in the column is implanted electrode and is installed universal connector, partial conductive terminal can realize the electricity with electrode contact and is connected, because each conductive terminal all is connected with a connecting wire, and connecting wire's the other end sets up to the free end, through the utility model provides an implant electrode universal connector, the tester as long as all be connected to the test to this electrode contact in the same test channel with all conductive terminal's connecting wire of same electrode contact connection. Because the specifications of the columnar implanted electrodes are different, the conductive terminals electrically connected with the electrode contacts are different, and in order to realize the universality of the connection of the implanted electrodes with different specifications, a tester can adjust the connection condition of each connecting lead and the test channel according to the contact condition of the conductive terminals and the electrode contacts.

2. The utility model provides an implant electrode universal connector sets up to movable connector through the other end with connecting wire to make connecting wire can be very convenient be connected to and fill in inserting of injection voltage test passageway intercommunication and hold.

3. The utility model provides a general connecting device of implant electrode, connect the end of inserting including general connector and second, the second connects the end of inserting including a plurality of first connecting points, each first connecting point and the injection voltage test channel intercommunication that corresponds, with the connecting wire of all conductive terminals that same electrode contact is connected the free end is connected to same on the first connecting point. Through the structure, a tester can conveniently connect the electrode contact to be tested to the injection voltage testing channel, and can adjust the connection condition of each connecting lead and the first connecting contact point of the second connecting and inserting end according to the contact condition of the conductive terminal and the electrode contact, so that the universality of connection of columnar implant electrodes with different specifications is realized.

4. The utility model provides a general connecting device of implantation electrode, through will not with the contact of electrode the whole ground connection of conductive terminal sets up, plays the purpose that the test interference is reduced in the shielding isolation. Further, the utility model provides a general connecting device of implantation electrode still includes the second connecting contact that ground connection set up, through will not with the electrode contact contacts conductive terminal is whole to be connected to the second connecting contact on, it is more convenient to operate.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a universal connection device for implanted electrodes according to an embodiment of the present invention.

Description of reference numerals:

211-a universal connector; 222-connecting wires; 24-a second spigot end; 257-conductive terminals; 4-columnar implantation electrode; 41-electrode contact.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

In order to solve the problems of low test efficiency and low accuracy, the applicant applies for a utility model patent, the authorization publication number is CN 209728070U, the utility model is named as 'injection voltage testing device for the electromagnetic compatibility test of the implanted nerve stimulator', the patent document discloses an automatic test tool capable of realizing the complete machine test of the implanted nerve stimulator, the technical scheme disclosed by the patent document is only used for carrying out the electromagnetic compatibility test on the implanted electrode with one specification, however, the implanted electrode applied to the nerve stimulator has various specifications, such as a column electrode and a direction electrode, and the contact distance of the column electrode is divided into 1mm, 1.5mm, 4mm, 6mm and the like. In order to test the implanted electrodes with different specifications, the technical scheme disclosed in the patent document needs to customize a plurality of sets of test tools with different specifications, which is expensive, and needs to perform test operation by using conversion equipment when testing the electrodes with different specifications, so that the test efficiency is reduced.

In order to solve the defect that the test efficiency that leads to can only test a specification implantation electrode among the prior art is low, the embodiment of the utility model provides an implant electrode universal connector 211 is applied to in the injection voltage testing arrangement of implanted neurostimulator electromagnetic compatibility test, and it is shown with fig. 1 to combine, and this universal connector 211 includes: a frame, a plurality of conductive terminals 257 and a plurality of connecting wires 222. Wherein the content of the first and second substances,

the outer frame plays a role in fixing and supporting, and the overall shape of the outer frame is approximately rectangular and is matched with the shape of the columnar implanted electrode 4.

The plurality of wire terminals are arranged inside the outer frame, preferably uniformly distributed inside the outer frame, but may be arranged in a non-uniform state in other embodiments. The arrangement of the plurality of lead terminals matches the shape of the columnar implanted electrode, preferably rectangular, but other shapes are not excluded. The conductive terminals 257 are uniformly distributed on the inner side of the outer frame. The two adjacent conductive terminals 257 are isolated from each other by keeping a minimum spacing distance or filling a conductive terminal gap with an insulating material. When the columnar implant electrode is installed in the universal connector according to the embodiment of the present invention, part of the conductive terminals 257 may be electrically connected to the electrode contacts 41 of the implant electrode after the installation of the implant electrode. In order to test the columnar implanted electrodes with different specifications, each conductive terminal 257 is electrically connected to the connecting wire 222.

A plurality of connecting wires 222 corresponding to the plurality of conductive terminals 257, wherein one end of each connecting wire 222 is connected to a different conductive terminal 257, and the other end of each connecting wire 222 is used as a free end. A plurality of the free ends can be connected to the same injection voltage test channel. In the embodiment of the present invention, the free end is preferably configured as a movable connector, such as a pin, an aviation plug, etc., for facilitating mating with the first connection point of the second plug end 24 in the injection voltage testing device.

The universal connector 211 for implanted electrodes provided by the embodiment of the utility model realizes universal electric connection with columnar implanted electrodes with different specifications, and the contact pitches of the columnar implanted electrodes 4 with different specifications are different, the universal connector for implanted electrodes provided by the embodiment of the utility model comprises a plurality of conductive terminals 257, when the post implant electrode is installed in the universal connector, a portion of the conductive terminals 257 will make contact with the electrode contacts 41 to make electrical connection, since one connection wire 222 is connected to each of the conductive terminals 257, and the other end of the connection wire 222 is set as a free end, through the utility model provides an implant electrode universal connector, the tester can realize the test to this electrode contact 41 as long as all be connected to in the same test channel with the connecting wire 222 of all conductive terminal 257 that same electrode contact 41 is connected. Because the specifications of the columnar implanted electrodes 4 are different, the conductive terminals 257 electrically connected with the electrode contacts 41 are different, and in order to realize the universality of the connection of the implanted electrodes with different specifications, a tester can adjust the connection condition between each connecting lead 222 and the test channel according to the contact condition between the conductive terminals 257 and the electrode contacts 41.

Another embodiment of the utility model provides a plant into electrode universal connection device, including above-mentioned utility model embodiment's universal connector and second connect spigot 24. Wherein the content of the first and second substances,

the second plug end 24 includes a plurality of first connection contacts, each of which is connected to a corresponding injection voltage test channel, and the specification of the second connection contact may refer to chinese patent document CN 209728070U. In the embodiment of the present invention, each of the connection contacts of the second plug end 24 can be connected to the free ends of the plurality of connection wires 222 at the same time. Preferably, each of the connection contacts can be simultaneously plug-mated and electrically connected to a movable connector of a plurality of connection leads 222.

When the post implant electrode is mounted in the universal connection structure, a portion of the conductive terminals 257 will contact the electrode contacts 41 to make electrical connection. Connecting the connecting wires 222 of all conductive terminals 257 connected to the same electrode contact 41 to the same first connecting point and thus to the same test channel; the second plug end 24 further comprises a second connecting contact, and the second connecting contact is grounded; for the purpose of shielding the insulation and reducing the test interference, the free ends of the connecting leads 222 of the conductive terminals 257 which are not in contact with the electrode contacts 41 are connected to the second connecting contacts.

As a variation of the grounding of the conductive terminal 257 not in contact with the electrode contact 41, in other embodiments of the present invention, the conductive terminals 257 not in contact with the electrode contact 41 are all grounded, so as to achieve the purpose of shielding, isolating and reducing the test interference.

The conductive terminals 257, which are electrically connected to the electrode contacts 41, are different due to the different specifications of the implanted electrodes. In order to realize the universality of the connection of the implanted electrodes with different specifications, the structure can adjust the connection condition of each connecting lead 222 and the second plug terminal 24 according to the contact condition of the conductive terminal 257 and the electrode contact 41.

Another embodiment of the present invention further provides an injection voltage testing device for electromagnetic compatibility testing of an implantable neurostimulator, including the universal connection device for implanted electrodes of the above-mentioned embodiment, the descriptions of the rest of the structures are referred to in chinese patent document CN 209728070U, which is not repeated herein.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. An implantable electrode universal connector for use in an injection voltage testing apparatus for electromagnetic compatibility testing of an implantable neurostimulator, the universal connector comprising:

an outer frame;

the conductive terminals (257) are distributed on the inner side of the outer frame, the arrangement of the conductive terminals (257) is matched with the shape of an implanted electrode, two adjacent conductive terminals (257) are isolated from each other, and part of the conductive terminals (257) are contacted with an electrode contact (41) of the implanted electrode after the implanted electrode is installed to realize electric connection;

and one end of each of the connecting wires (222) is connected to each of the conductive terminals (257), the other end of each of the connecting wires (222) is a free end, and the free ends can be connected to the same injection voltage test channel.

2. The universal implant electrode connector of claim 1, wherein the plurality of conductive terminals (257) are evenly distributed on the inside of the outer frame.

3. The implant electrode universal connector of claim 2, wherein the plurality of terminals are arranged in a rectangular pattern.

4. The implant electrode universal connector according to any one of claims 1-3, wherein the other end of the connection lead (222) is provided as a movable connector.

5. A universal connection device for implanted electrodes, comprising:

the implant electrode universal connector of any one of claims 1-4;

a second plug end (24) comprising a plurality of first connection contacts, each of said first connection contacts being in communication with a corresponding injection voltage test channel; the free ends of the connecting leads (222) of all conductive terminals (257) connected to the same electrode contact (41) are connected to the same first connecting point.

6. The universal connection device for implanted electrodes according to claim 5, characterized in that the conductive terminals (257) not in contact with the electrode contacts (41) are all arranged grounded.

7. The implant electrode universal connection device according to claim 5 or 6, characterized in that the second socket end (24) further comprises a second connection contact, the second connection contact being arranged to ground; the free ends of the connecting leads (222) of the conductive terminals (257) which are not in contact with the electrode contacts (41) are connected to the second connecting contacts.

8. An injection voltage testing device for an implantable neurostimulator electromagnetic compatibility test, characterized by comprising the implanted electrode universal connection device of any one of claims 5-7.