CN116036468A - Electrode connection unit and medical device - Google Patents

Abstract

The invention provides an electrode connection unit and a medical device, wherein the electrode connection unit comprises: an electrode connection assembly and a driving assembly; the electrode connection assembly has a conductive assembly for conductive connection with an electrode; the driving component is connected with the electrode connecting component and is used for driving the electrode connecting component to move between an electrode disconnecting position and an electrode connecting position along a linear direction, and the driving component is also used for locking the electrode connecting component at the electrode connecting position. So set up, make electrode coupling assembling can follow a straight line direction and remove for electrode coupling assembling's removal space dimension diminishes, makes electrode coupling assembling remove stability and precision promote, and then promotes connection stability, makes electrical contact good, and, drive assembly is to electrode coupling assembling's locking, makes electrode coupling assembling and electrode's electrical contact more stable.

Description

Electrode connection unit and medical device

Technical Field

The invention relates to the technical field of medical equipment, in particular to an electrode connecting unit and a medical device.

Background

Deep brain electro-stimulation (Deep Brain Stimulation, DBS), commonly known as brain pacemaker therapy, is to implant electrodes into specific nuclei in the brain to release high-frequency electro-stimulation, inhibit the electro-impulses of neurons which are hyperexcitable due to the reduction of dopaminergic neurons, reduce the hyperexcitable state, and thus alleviate symptoms such as parkinson's disease.

When deep brain electric stimulation operation is performed, after the stimulation electrode is implanted into the diseased region in the brain of the Parkinson patient, test stimulation is required to determine whether the position of the stimulation electrode reaches a target point. The operator connects the stimulation electrode to the medical device, and the cable of the medical device is connected to a test stimulator that performs the test stimulation. After the test stimulation is completed, the stimulation electrode is connected with the extension lead, one end of the extension lead is implanted outside the body after the stimulation electrode is sutured with the extension lead, at the moment, a cable of the medical device is required to be connected with the extension lead, and the connection part of the cable and the extension lead is stuck on the skin surface through a medical adhesive tape. In addition, after performing deep brain electro-stimulation surgery, in order to verify the efficacy, the cable of the medical device is also connected to the test stimulator for a period of time to perform evaluation test.

Currently, medical devices have several problems: firstly, when a stimulating electrode or an extension lead is connected with a medical device, the phenomena of poor electrical contact, poor connection stability and the like exist, and the judgment of a tester in the test process is affected; secondly, the medical device is large in size and uncomfortable for the patient to wear; third, since the test stimulator for deep brain stimulation is outside the body, the patient may need to carry with him for a period of time, during which if the connector is accidentally disconnected, the electrode is suddenly disconnected, which may cause excessive instantaneous current and injure the patient.

Accordingly, there is a need to develop an electrode connection unit device and a medical device to solve at least the above problems.

Disclosure of Invention

The invention aims to provide an electrode connecting unit and a medical device, which are used for solving the problems of poor electrical contact and poor connection stability in the current electrode test.

In order to solve the above-mentioned problems, the present invention provides an electrode connection unit, which is installed in a medical device, comprising: an electrode connection assembly and a driving assembly; the electrode connection assembly has a conductive assembly for conductive connection with an electrode; the driving component is connected with the electrode connecting component and is used for driving the electrode connecting component to move between an electrode disconnecting position and an electrode connecting position along a linear direction, and the driving component is also used for locking the electrode connecting component at the electrode connecting position.

Optionally, the driving assembly includes a wedge structure component, the wedge structure component includes a first wedge structure and a second wedge structure, the first wedge structure is connected with the electrode connection assembly, the second wedge structure is propped against the first wedge structure, and movement of the second wedge structure drives the electrode connection assembly to move along the linear direction.

Optionally, the driving assembly further includes a locking structure, where the locking structure is disposed on the second wedge structure and is used for fixing a position of the second wedge structure.

Optionally, the driving assembly further includes a limiting guide structure, where the limiting guide structure is disposed on the second wedge structure and is configured to provide guidance for movement of the second wedge structure.

Optionally, the electrode connection assembly includes a substrate; the conducting assembly comprises a conducting clamping groove arranged on the substrate, the conducting clamping groove extends along the linear direction, and an opening of the conducting clamping groove faces to the electrode connecting position and is used for being clamped with the electrode; the driving assembly is connected with the base plate.

In order to solve the above technical problem, the present invention further provides a medical device, including: a housing and at least one electrode connection unit as described above; an electrode accommodating cavity for limiting an electrode is arranged in the shell; the electrode connecting unit comprises a shell, an electrode connecting assembly, a driving assembly and a driving assembly, wherein the electrode connecting assembly of the electrode connecting unit is arranged in the shell; and the driving component drives the electrode connecting component to intervene or withdraw from the electrode accommodating cavity to move, so that the electrode connecting component moves between an electrode disconnecting position and an electrode connecting position, and the conducting component is in contact conduction with an electrode in the electrode accommodating cavity when the electrode connecting component is in the electrode connecting position.

Optionally, the driving assembly is slidably connected to the housing.

Optionally, the conducting component includes a conducting slot, and a slot depth direction of the conducting slot extends along the linear direction; the electrode accommodating cavity is formed by arranging a plurality of clamping blocks arranged on the shell, and gaps for the conducting clamping grooves to extend in are formed between the adjacent clamping blocks.

Optionally, the conducting clamping groove is formed by an electric clamping spring fixed on a substrate.

Optionally, the driving assembly is provided with a toggle sliding block; the opening communicated with the electrode accommodating cavity is positioned at the top of the shell, and the position of the poking sliding block is positioned at the side surface of the shell, or the position of the poking sliding block and the opening are arranged towards the same side.

Optionally, the electrode is provided with an electrode auxiliary fixing unit, the electrode auxiliary fixing unit includes at least two electrode fixing grooves and an electrode fixing rod, at least two electrode fixing grooves are formed in the electrode fixing rod, the electrode fixing grooves are clamped on the electrode, and adjacent electrode fixing grooves correspond to contact portions of the electrode.

Optionally, the medical device further includes a connector, the connector is connected with the conductive component of the electrode connection unit, the connector includes a plurality of signal pin components and a circuit breaking pin component, and a depth of inserting the male pin of the circuit breaking pin component into the female seat of the circuit breaking pin component is smaller than a depth of inserting the male pin of the signal pin component into the female seat of the signal pin component.

In the electrode connection unit and the medical device provided by the invention, the electrode connection unit comprises: an electrode connection assembly and a driving assembly; the electrode connection assembly has a conductive assembly for conductive connection with an electrode; the driving component is connected with the electrode connecting component and is used for driving the electrode connecting component to move between an electrode disconnecting position and an electrode connecting position along a linear direction, and the driving component is also used for locking the electrode connecting component at the electrode connecting position. So set up, make electrode coupling assembling can follow a straight line direction and remove for electrode coupling assembling's removal space dimension diminishes, makes electrode coupling assembling remove stability and precision promote, and then promotes connection stability, makes electrical contact good, and, drive assembly is to electrode coupling assembling's locking, makes electrode coupling assembling and electrode's electrical contact more stable.

Drawings

Those of ordinary skill in the art will appreciate that the figures are provided for a better understanding of the present invention and do not constitute any limitation on the scope of the present invention. Wherein:

fig. 1 is an exploded view of a medical device according to the first embodiment.

Fig. 2 is an exploded view of the electrode connection unit of the first embodiment.

Fig. 3 is a schematic view of an electrode connection assembly of the electrode connection unit according to the first embodiment.

Fig. 4 is a schematic diagram of a driving assembly of the electrode connection unit according to the first embodiment.

FIG. 5 is a schematic view of the drive assembly of FIG. 4 at another angle.

Fig. 6 is a schematic view of a medical device according to the first embodiment.

Fig. 7 is a schematic view of a rear case of the medical device of the first embodiment.

Fig. 8 is a schematic view of a front case of the medical device of the first embodiment.

Fig. 9 is a schematic diagram of a motor auxiliary fixing unit and an electrode of the medical device according to the first embodiment.

Fig. 10 is a cross-sectional view of the medical device according to the first embodiment in a disengaged state.

Fig. 11 is a cross-sectional view of the medical device according to the first embodiment in a clamped state.

Fig. 12 is an internal schematic view of the connector of the medical device according to the first embodiment.

Fig. 13 is a schematic view of a connector of the medical device according to the first embodiment.

Fig. 14 is a schematic diagram of the disconnection detection of the first embodiment.

Fig. 15 is a schematic diagram of an electrode testing system according to the first embodiment.

Fig. 16 is a schematic view of an electrode connection assembly of an electrode connection unit of the second embodiment.

Fig. 17 is a schematic view of the electrode connection assembly shown in fig. 16.

Fig. 18 is a schematic view of a front housing of the medical device of the second embodiment.

Fig. 19 is a schematic view of a medical device according to the second embodiment.

Fig. 20 is a cross-sectional view of the medical device according to the second embodiment in a disengaged state.

Fig. 21 is a cross-sectional view of the medical device according to the second embodiment in a clamped state.

In the accompanying drawings:

10-electrode;

the circuit comprises an A-electrode disconnection position, a B-electrode connection position, a C-first direction, a D-second direction, an L-circuit breaking protection circuit, an M-control unit, a V-power supply, an R-grounding resistor, a K1-first circuit breaking switch and a K2-second circuit breaking switch;

a 100-electrode connection unit, which is provided with a plurality of electrodes,

110-electrode connection assembly, 111-substrate, 112-conduction assembly, 1121-conduction clamp spring, 113-cable interface assembly,

a 120-a drive assembly, which is configured to drive the drive assembly,

130-wedge structure components, 131-first wedge structure, 132-second wedge structure, 1322-limit guide structure, 1323-locking structure, 1324-toggle slide, 1324 a-anti-skid slot;

200-a shell, 210-an electrode accommodating cavity, 220-a front shell, 230-a rear shell, 240-a first guide unit, 250-a second guide unit, 260-a matching structure, 270-a cable limiting structure and 280-a screw;

300-a reset unit;

400-electrode auxiliary fixing units, 410-electrode fixing grooves, 420-electrode fixing rods and 430-handles;

500-connector, 510-break pin assembly, 511-male pin of break pin assembly, 520-signal pin assembly, 521-male pin of signal pin assembly;

600-cable;

700-stimulator.

Detailed Description

The invention will be described in further detail with reference to the drawings and the specific embodiments thereof in order to make the objects, advantages and features of the invention more apparent. It should be noted that the drawings are in a very simplified form and are not drawn to scale, merely for convenience and clarity in aiding in the description of embodiments of the invention. Furthermore, the structures shown in the drawings are often part of actual structures. In particular, the drawings are shown with different emphasis instead being placed upon illustrating the various embodiments.

As used in this specification, the singular forms "a", "an" and "the" include plural referents unless the content clearly dictates otherwise. As used in this specification, the term "or" is generally employed in its sense including "and/or" unless the content clearly dictates otherwise. The term "plurality" is generally used in a sense including "at least one," the term "at least two" is generally used in a sense including "two or more," and 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 or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", "a third" may include either explicitly or implicitly one or at least two of such features, and the terms "mounted", "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. Furthermore, as used in this disclosure, an element disposed on another element generally only refers to a connection, coupling, cooperation or transmission between two elements, and the connection, coupling, cooperation or transmission between two elements may be direct or indirect through intermediate elements, and should not be construed as indicating or implying any spatial positional relationship between the two elements, i.e., an element may be in any orientation, such as inside, outside, above, below, or on one side, of the other element unless the context clearly indicates otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances. Furthermore, in the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that the invention may be practiced without one or more of these details. In other instances, well-known features have not been described in detail in order to avoid obscuring the invention.

The embodiment of the invention provides an electrode connecting unit and a medical device. The electrode connection unit includes: an electrode connection assembly and a driving assembly; the electrode connection assembly has a conductive assembly for conductive connection with an electrode; the driving component is connected with the electrode connecting component and is used for driving the electrode connecting component to move between an electrode disconnecting position and an electrode connecting position along a linear direction, and the driving component is also used for locking the electrode connecting component at the electrode connecting position. So set up, make electrode coupling assembling can follow a straight line direction and remove for electrode coupling assembling's removal space dimension diminishes, makes electrode coupling assembling remove stability and precision promote, and then promotes connection stability, makes electrical contact good, and, drive assembly is to electrode coupling assembling's locking, makes electrode coupling assembling and electrode's electrical contact more stable. The medical device further comprises an electrode auxiliary fixing unit, wherein the electrode auxiliary fixing unit is used for accommodating and fixing an electrode, and a tester accurately inserts the electrode into a target position through the electrode auxiliary fixing unit during testing. The medical device also includes a connector including a power down pin assembly that prevents accidental disconnection of the connector from causing excessive transient current to injure the patient.

The following description refers to the accompanying drawings.

[ embodiment one ]

Referring to fig. 1 to 15, fig. 1 is an exploded view of a medical device according to a first embodiment; fig. 2 is an exploded view of an electrode connection unit according to the first embodiment; fig. 3 is a schematic view of an electrode connection assembly of an electrode connection unit according to the first embodiment; fig. 4 is a schematic diagram of a driving assembly of an electrode connection unit according to the first embodiment; FIG. 5 is a schematic view of the drive assembly of FIG. 4 at another angle; fig. 6 is a schematic view of a medical device according to the first embodiment; fig. 7 is a schematic view of a rear case of the medical device of the first embodiment; fig. 8 is a schematic view of a front case of the medical device of the first embodiment; fig. 9 is a schematic diagram of a motor auxiliary fixing unit and an electrode of the medical device according to the first embodiment; fig. 10 is a sectional view of the medical device of the first embodiment in a disengaged state;

fig. 11 is a cross-sectional view of the medical device according to the first embodiment in a clamped state; fig. 12 is an internal schematic view of a connector of the medical device according to the first embodiment; fig. 13 is a schematic view of a connector of the medical device according to the first embodiment; fig. 14 is a schematic diagram of circuit breaking detection according to the first embodiment; fig. 15 is a schematic diagram of an electrode testing system according to the first embodiment.

As shown in fig. 1 to 15, a first embodiment provides an electrode connection unit and a medical device. To facilitate an understanding of the electrode connection unit, the content of the medical device is first introduced herein. It should be understood that the electrode connection unit is not limited in application to the medical device.

Referring to fig. 1, the medical device provided in this embodiment includes: at least one electrode connection unit 100 and a case 200.

Referring to fig. 2 to 4, the electrode connection unit 100 provided in this embodiment includes: electrode connection assembly 110 and drive assembly 120.

The electrode connection assembly 110 has a conductive assembly 112 for conductive connection with an electrode 10. Preferably, the electrode connection assembly 110 further includes, for example, a substrate 111. The base plate 111 is, for example, a rectangular plate. The conductive assembly 112 includes a conductive card slot 1121 and a conductive wire. The conductive slot 1121 is connected to one end of the conductive wire, the other end of the conductive wire forms a cable 600, the cable 600 is used to connect with a connector 500, the connector 500 is further connected to a stimulator 700, and the stimulator 700 provides an electrical signal to the conductive assembly 112 through the connector 500. The conductive slot 1121 is disposed on the substrate 111. The end of the conducting slot 1121 is exposed for connecting with the electrode 10. The conductive clamping groove 1121 extends along a straight line direction, and the opening of the conductive clamping groove 1121 faces to the position connected with the electrode 10, so as to be conveniently clamped with the electrode 10. The linear direction coincides with the direction in which the driving assembly 120 drives the linear motion of the electrode connection assembly 100. The driving unit 120 is connected to the substrate 111, and drives the substrate 111 to move. The conductive slot 1121 is, for example, an electrical clip spring. The conductive slot 1121 may be preferably placed in the electrode receiving cavity 210 of a housing 200, for example, and the conductive slot 1121 may be moved into the electrode receiving cavity 210 to connect with an electrode 10, so as to provide signal stimulus for the electrode 10, thereby implementing a stimulus test of the electrode 10.

The electrode receiving chamber 210 is preferably formed by arranging a plurality of clamping blocks on the housing 200, for example, and a clamping slot gap is provided between adjacent clamping blocks for the conductive clamping slot 1121 to penetrate. The slot gap is used for placing the conductive slot 1121, and provides a guide for the conductive slot 1121, so that the conductive slot 1121 can be connected with the electrode 10 more stably. The clamping block of the electrode accommodating cavity 210 is further provided with a fixing groove, for example, a semicircular groove, so that the electrode 10 can be mechanically fixed, and good stability between the conducting clamping groove 1121 and the electrode 10 can be ensured.

Preferably, the electrode connection assembly 110 further includes a cable interface assembly 113, and the cable interface assembly 113 is disposed on the substrate 111 for communicating the cable 600 with the conductive assembly 112 in the substrate 111. The electrode connection unit can be placed inside a case 200, specifically, can be placed in the front case 220 and the rear case 230 of the case 200, and the cable 600 is introduced into the case 200 through the clearance of the front case 220 or the rear case 230. In the first exemplary embodiment, as shown in fig. 7 to 8, the housing 200 further includes a cable limiting structure 270, and the cable limiting structure 270 is disposed on the rear housing 230 and the front housing 220, so as to ensure that the cable 600 passes into the housing 200.

The driving unit 120 is connected to the electrode connecting unit 110 to drive the electrode connecting unit 110 to move in a linear direction between an electrode-off position a and an electrode-on position B, and the driving unit 120 is further configured to lock the electrode connecting unit 110 at the electrode-on position a. So set up, make electrode connection subassembly 110 can follow a straight line direction and remove for electrode connection subassembly 110's removal space dimension diminishes, makes electrode connection subassembly 110 remove stability and precision promote, and then promotes connection stability, makes electrical contact good, and, drive assembly 120 is to electrode connection subassembly 110's locking, makes electrode connection subassembly 110 and electrode 10's electrical contact more stable. Preferably, the driving assembly 120 may be, for example, a structural member, preferably, a wedge-shaped structural member 130. Or an electric or pneumatic driver, or a linear module, etc., which can be used to drive the electrode connecting assembly 110 in a linear direction. The driving assembly 120 may be locked by a locking structure, such as a snap-in slot, or may be locked by an electronic positioning lock, for example, by locking the motor connection assembly 110. Of course, when the electrode connection assembly 110 includes the base plate 111, the driving assembly 120 is connected with the base plate 111.

As shown in fig. 2 and 3, the driving assembly 120 preferably includes a wedge structure member 130, and the wedge structure member 130 includes a first wedge structure 131 and a second wedge structure 132. The first wedge structure 131 is connected with the electrode connection assembly 110, the second wedge structure 132 is abutted against the first wedge structure 131, and the movement of the second wedge structure 132 drives the electrode connection assembly 110 to move along the linear direction. Specifically, the wedge surface of the first wedge structure 131 abuts against the wedge surface of the second wedge structure 131, and it is understood that the interaction of the two wedge surfaces can realize the conversion of the direction of the acting force, for example, one wedge surface preferably provides the force in the first direction C, the other wedge surface is extruded by the acting force in the first direction C, and then the force in the second direction B is decomposed, so that the other wedge surface moves towards the second direction B. Preferably, the two wedge surfaces can be arranged in a mutually fitting manner. Preferably, the wedge surface of the first wedge structure 131 is disposed at an angle to the base plate 111, and the second wedge structure 132 is preferably slidably disposed on a housing 200, for example, and is configured to move along the first direction C. The second wedge-shaped structure 132 is configured to move along a first direction C relative to the first wedge-shaped structure 131, so as to drive the conductive slot 1121 to move along a second direction B. So set up, make switch on draw-in groove 1121 can follow the removal of second wedge structure 132 and hold the chamber 210 with an electrode and realize contact or separation, and then make the contact between draw-in groove 1121 and the electrode hold the chamber 210 controllable, improve electric connection's operability, provide precondition and condition for having good stable connection between the two, and then avoid the poor condition of contact, promote the degree of accuracy of tester when the test. The first wedge structure 131 and the second wedge structure 132 are simple in structure and remarkable in effect, and provide conditions for reducing the overall volume of the medical device.

Preferably, as shown in fig. 4 to 8, the driving assembly 120 further includes a locking structure 1323, and the locking structure 1323 is disposed on the second wedge structure 132, for fixing a position of the second wedge structure 132. The locking structure 1323 is, for example, preferably a buckle, and the buckle is buckled with a matching structure 260 provided on the housing, so as to limit the movement of the driving assembly 120, prevent the driving assembly 120 from backing, and further increase the connection stability. Specifically, the locking structure 1323 is, for example, a protruding structure, and the matching structure 260 is, for example, a groove structure, and the protruding structure is snapped into the groove structure, so as to limit the movement of the protruding structure, and thus the movement of the second wedge structure 132. The matching structure 260 is disposed, for example, on the rear case 230 of the housing 200. Likewise, the locking structure 1323 may also be a groove structure, and the matching structure 260 may also be a protrusion structure, so that the locking structure 1323 and the matching structure 260 are engaged with each other. Of course, the locking structure 1323 may be other structures that can implement the locking function, and is not limited to a protrusion structure or a groove structure.

Preferably, as shown in fig. 4 to 6, the driving assembly 120 further includes a limit guide structure 1322, where the limit guide structure 1322 is disposed on the second wedge structure 132 and is used to provide a guide for the movement of the second wedge structure 132, so as to prevent the movement of the second wedge structure 132 in a direction other than the first direction C. For example, the limit guide 1322 is configured to slidably couple to a housing 200 for moving the second wedge 132 in the first direction C. For example, the limiting guide structure 1322 is preferably a limiting rod, and the limiting rod is slidably connected with the second guide unit 250 of the housing 200, so that the limiting guide structure 1322 can only move in the second guide unit 250, and the limiting guide structure 1322 can limit the second wedge structure 132 to move along a certain fixed direction. Preferably, the second guide unit 250 is disposed on the rear case 230 and the front case 220 of the housing 200. Of course, the limiting guide structure 1322 may also be a limiting groove, etc., which can perform a limiting function with an external protrusion.

Further, as shown in fig. 4-6, the drive assembly 120 has a toggle slide 1324. For example, the toggle sliding plate 1324 is disposed on the second wedge structure 132, and the toggle sliding plate 1324 drives the second wedge structure 132 to move, so as to facilitate the operation of the tester. Preferably, the toggle sliding plate 1324 may further be provided with an anti-slip groove 1324a, and the anti-slip groove 1324a is preferably a strip-shaped convex groove, so as to prevent a tester from slipping when moving the toggle sliding plate 1324. Of course, the anti-slip groove 1324a may be a curved convex groove, or may be a plurality of convex points. Of course, the toggle sliding plate 1324 may also be made of a material with higher friction performance, which may also have an anti-slip effect. The toggle slide 1324 is configured as shown in fig. 6 and 19. In the first embodiment, as shown in fig. 6, when the electrode connection unit 100 is placed in a housing 200, the opening of the electrode receiving chamber (i.e., the opening into which the electrode 10 is placed) is located at the top of the housing 200, i.e., the top of the housing 200 has a window into which the electrode 10 enters, and the opening is preferably located toward the top of the housing 200. The toggle slider 1324 is positioned on the side of the housing 200. In the second embodiment, as shown in fig. 19, when the electrode connection unit 100 is placed in a housing 200, the opening into which the electrode 10 is placed faces the top of the housing 200, and the toggle slider 1324 is located on the same side as the opening. For example, toggle slider 1324 is disposed on top of housing 200. So configured, a tester can be enabled to move toggle slide 1324 in different positions of housing 200.

As shown in fig. 1, 6 to 9, as described above, the present embodiment also provides a medical device including at least one electrode connection unit 100 and a housing 200. In the first exemplary embodiment, the medical device preferably includes two electrode connection units 100, so that two electrodes can be tested. In other embodiments, the medical device may further comprise one electrode connection unit 100, one electrode connection unit 100 enabling testing of one electrode. The number of the medical device including the electrode connection units 100 may be set according to actual needs, and is not limited herein. Preferably, as shown in fig. 6, in the case 200, two of the electrode connection units 100 are disposed within the case 200. The wedge-shaped structural members 130 of the two electrode connection units 100 are located at opposite sides of the case 200. The conductive clamping groove 1121 of the electrode connection unit 100 is disposed toward the middle position of the housing 200. When the driving assemblies 120 of the two electrode connection units 100 are each driven, the two electrode connection assemblies 110 are preferably moved relatively close to each other in the same linear direction. Further, as shown in fig. 7, an electrode accommodating cavity 210 for limiting the electrode 10 is provided in the housing 200. The housing 200 preferably further includes a first guide unit 240, and the first guide unit 240 serves to limit the movement of the base plate 111 to move only in a straight direction. The first guiding units 240 are, for example, two clamping plates, and are used for limiting two ends of the substrate 111 to prevent the substrate from moving along the first direction C. Preferably, the housing 200 further includes a front case 220 and a rear case 230, and the front case 220 and the rear case 230 may be fastened to each other. Preferably, the front case 220 is coupled to the rear case 230 by a screw 280. The screw 280 is preferably an M2 set screw.

The electrode connection assembly 110 of the electrode connection unit 100 is disposed in the housing 200, the driving assembly 120 of the electrode connection unit 100 is connected to the housing 200, and the driving assembly 120 drives the electrode connection assembly 110 to intervene in or withdraw from the electrode accommodating cavity 210, so that the electrode connection assembly 110 moves between an electrode disconnection position a and an electrode connection position B, and the conducting assembly 112 is in contact conduction with the electrode 10 in the electrode accommodating cavity 210 when the electrode connection assembly 110 is in the electrode connection position a. Preferably, the second wedge structure 132 of the driving assembly 120 is disposed on the housing 200 and is capable of moving along the first direction C, and drives the electrode connecting assembly 110 to move between the electrode disconnected position a and the electrode connected position B along the second direction D. The arrangement is such that the medical device has the beneficial effects of the electrode connection unit 100 such that the electrode connection unit 100 is inserted or withdrawn into the electrode receiving cavity 210 in a straight line direction. When electrode connecting unit 100 intervenes electrode accommodation chamber 210, can realize the location in the position of electrode accommodation chamber 210 for its and electrode 10's connection is stable, makes medical device's connection stability show and promotes, and then promotes the degree of accuracy of tester's test, conveniently realizes electric connection and fixed fast, ensures firm in structure and simple, and the test is reliable and easy to implement. In addition, since the electrode connection unit 100 adopts a linear movement, a mechanical structure for realizing the linear movement is simple and the volume is small. Therefore, compared with other medical devices with complex structures, the medical device of the embodiment has the advantages of simple structure, small volume, easy implementation and improvement of comfort level when a patient wears the medical device.

As shown in fig. 6 and 7, preferably, the medical device further includes a reset unit 300, and the reset unit 300 is disposed on the housing 200. The return unit 300 is preferably a return spring, for example, and may also be a return spring. Preferably, one end of the reset unit 300 abuts against the housing 200, the other end abuts against the base plate 111, the position of the reset unit 300 abutting against the base plate 111 is on the same side as the conductive snap spring 1121, and the reset unit 300 is used for providing a reset force for the base plate 111. The housing 200 comprises, for example, a resetting element fixing structure 280, wherein the resetting element fixing structure 280 is preferably arranged on the rear housing 230, for example, so that the resetting element 300 can be fixed in the rear housing 230.

Specifically, in the first exemplary embodiment, the connection relationship between the electrode connection unit 100 and the electrode 10 of the medical device can be referred to fig. 10 and 11. As shown in fig. 10, before a tester inserts the electrode 10, the conductive member 112 of the electrode connection unit 100 is in a disengaged state from the electrode receiving cavity 210 of the case 200. As shown in fig. 11, after the tester places the electrode 10 into the electrode accommodating cavity 210 of the housing 200, the tester moves the second wedge-shaped structure 132, and the substrate 111 moves along with the direction of the electrode 10, so that the medical device is in a clamped state, and the conductive component 112 is clamped with the electrode 10, so that the conductive component 112 can output a stimulus signal to the electrode 10, and further, signal testing is realized. Preferably, the driving assembly 120 is slidably connected to the housing 200, and sliding of the driving assembly 120 drives the electrode connecting assembly 110 to enter or exit the electrode receiving chamber 210, so that the electrode assembly 110 moves between the electrode-off position a and the electrode-on position B. The sliding connection's setting for medical device's structure is simpler, and the operation is more convenient.

Preferably, the conductive assembly 112 includes a conductive slot 1121, and a slot depth direction of the conductive slot 1121 extends along the linear direction for connection with the electrode 10. The electrode accommodating cavity 210 is formed by arranging a plurality of clamping blocks arranged on the housing 200, and gaps for the conductive clamping grooves 210 to enter are formed between the adjacent clamping blocks, so as to provide guidance for the conductive clamping grooves 1121, and enable the conductive clamping grooves 1121 to be connected with the electrode 10 more stably. Preferably, the conductive slot 1121 is formed by an electrical clip fixed on a substrate 111, so as to further facilitate the connection of the electrode 100.

Preferably, as shown in fig. 1 and 8, the electrode 10 is provided with an auxiliary fixing unit 400, where the auxiliary fixing unit 400 includes at least two electrode fixing grooves 410 and an electrode fixing rod 420, at least two electrode fixing grooves 410 are disposed on the electrode fixing rod 420, the number of the electrode fixing grooves 410 is preferably a plurality, for example, the structure of the electrode fixing grooves 410 is preferably a semicircular ring structure, for example, the electrode fixing grooves 410 allow the electrode 10 to be horizontally placed and prevent the electrode 10 from moving along the circumferential direction thereof, so as to fix the electrode 100. For example, an electrode assembly of the electrode 10 is disposed on the electrode fixing groove 410, and the electrode auxiliary fixing unit 400 ensures stable placement of the electrode assembly thereon. It should be understood that the number and structure of the electrode fixing grooves 410 may be set according to practical situations.

More preferably, the electrode auxiliary fixing unit 400 further includes a handle 430, the handle 430 is disposed on the electrode fixing rod 420, and the handle 430 is preferably in a sheet structure, so that a tester can accurately implant the electrode 10 with a smaller volume to a target position in the operation process, which is convenient for electrical performance test, and improves test efficiency. Of course, the handle 430 may be other structures that facilitate grasping by a tester. Preferably, the handle 430 may further be provided with an anti-slip structure to prevent the tester from slipping.

Preferably, as shown in fig. 12 to 15, the medical device further includes a connector 500, the connector 500 is connected to the electrode connection unit 100 through a cable 600, the connector 500 includes a breaking pin assembly 510 and a plurality of signal pin assemblies 520, and the male pins 511 of the breaking pin assembly are inserted into the female sockets (not shown) of the breaking pin assembly to a depth smaller than the male pins 521 of the signal pin assembly are inserted into the female sockets (not shown) of the signal pin assembly. Specifically, the male pin 511 of the circuit breaker pin assembly interfaces with the female socket of the circuit breaker pin assembly, and the male pin 521 of the signal pin assembly interfaces with the female socket of the signal pin assembly. When the male pin end is accidentally disconnected from the female socket end, the male pin 511 of the circuit breaking pin assembly is separated from the female socket of the circuit breaking pin assembly, so that a circuit is cut off, the connection stability of the connector 500 is further ensured, and the situation that a patient is hurt by excessive instantaneous current due to poor contact is avoided. Preferably, the number of male pins 511 of the circuit breaker pin assembly is two, for example. The male pins 511 of the two said breaking pin assemblies may be connected to each other by a connecting wire. Of course, the number of the male pins 511 of the circuit breaker pin assembly may be set according to actual requirements. Preferably, the connector 500 is preferably mated with a software that controls the power on and off of the connector 500 by a signal, and implements the signal connection.

Preferably, as shown in fig. 14, the medical device further includes a circuit breaking protection circuit L including a power source V, a circuit breaking switch, and a ground resistor R arranged in series, and a control unit M connected to the circuit breaking protection circuit L. The power supply V preferably uses a +3.3v voltage. The grounding resistor R is preferably a resistor of 100 kilo ohms. The circuit breaker preferably comprises a male pin of the circuit breaking pin assembly and a female seat of the circuit breaking pin assembly, and the on-off of the male pin of the circuit breaking pin assembly and the female seat of the circuit breaking pin assembly indicates the on-off of the circuit breaker. The number of the disconnecting switches is preferably two, for example a first disconnecting switch K1 and a second disconnecting switch K2. The two circuit breakers are preferably arranged in series. The circuit breaker can also be one or three, etc., and the person skilled in the art can set the circuit breaker according to actual requirements. The control unit M is configured to control the medical device to stop sending electric signals when the circuit breaking protection circuit L is cut off, so that the signal stability of the medical device is improved, the reliability of electric connection is improved, the medical device is prevented from being subjected to external activities to cause poor contact, the output electric signals are unstable, and the safety in use is ensured.

Preferably, the medical device further comprises a stimulator 600, which is in signal connection with the stimulator 700. The stimulator 700 provides stimulation signals to the medical device, thereby enabling a tester to complete signal testing.

Referring to fig. 1 to 15, the present embodiment further provides an electrode testing method, which includes:

s1: an electrode 10 is placed in the electrode receiving cavity 210 of the housing 200. Preferably, the tester can first put the electrode 10 into the electrode auxiliary fixing unit 400, and then put the electrode auxiliary fixing unit 400 and the electrode 10 together into the electrode accommodating cavity 210, so that the operation of placing the electrode 10 is simple, and the accuracy is improved.

S2: the driving assembly 120 of the electrode connection unit 100 is moved, and the intervention of the electrode connection assembly 110 is performed into the electrode receiving chamber 210, so that the conductive assembly 112 of the electrode connection assembly 110 is brought into contact with the electrode 10.

S3: a stimulus signal is supplied to the electrode connection unit 100, and a signal test of the electrode 10 is performed. Specifically, after the electrode connection unit 100 is connected with a stimulator 700 through the cable 600, the stimulator 700 sends out a stimulation signal, the electrode connection unit 100 can transmit the stimulation signal to the electrode 10, and the electrode 10 receives the stimulation signal, so as to realize signal testing of the electrode 10.

S4: the supply of the stimulus signal to the electrode connection unit 100 is stopped, and preferably the tester may turn off the stimulator 700.

S5: the second wedge structure 132 of the driving assembly 120 is moved, the substrate 111 of the electrode connection assembly 110 is reset, and the electrode connection assembly 110 is separated from the electrode 10.

S6: the electrode 10 is removed and the test is completed. Specifically, the tester may take out the electrode auxiliary fixing unit 400, and thus take out the electrode 10.

The electrode testing method of the embodiment has the beneficial effects of the medical device, and is not described herein. Other steps and principles of the electrode testing method may be referenced to the prior art and will not be described herein.

[ example two ]

Referring to fig. 16 to 21, fig. 16 is a schematic view of an electrode connection assembly of an electrode connection unit according to a second embodiment; FIG. 17 is a schematic view of the electrode connection assembly shown in FIG. 16; fig. 18 is a schematic view of a front housing of the medical device of the second embodiment; fig. 19 is a schematic view of a medical device according to a second embodiment; fig. 20 is a cross-sectional view of the medical device of the second embodiment in a disengaged state; fig. 21 is a cross-sectional view of the medical device according to the second embodiment in a clamped state.

The electrode connection unit and the medical device of the second embodiment are not described again in the same parts as those of the first embodiment, and only the differences will be described below.

Preferably, the medical device provided in the second exemplary embodiment preferably includes two electrode connection units 100. Preferably, as shown in fig. 19, two of the electrode connection units 100 are disposed in the case 200. The conductive clamping grooves 1121 of the two electrode connection units 100 are disposed toward opposite sides of the case 200. The wedge-shaped structural members 1300 of the two electrode connection units 100 are disposed opposite to each other. The opposite arrangement represents: when the driving assemblies 120 of the two electrode connection units 100 are each driven, the two electrode connection assemblies 110 are preferably moved opposite to each other in the same direction. In other embodiments, the medical device may further include one or more electrode connection units 100.

Further, in the second exemplary embodiment, the connection relationship between the electrode connection unit 100 and the electrode 10 of the medical device can be referred to fig. 20 and 21. As shown in fig. 20, the two electrode connection units 100 are disposed opposite to each other, and the conductive member 112 of the electrode connection unit 100 is in a disengaged state from the electrode receiving cavity 210 of the case 200 before the tester inserts the electrode 10. As shown in fig. 21, after the tester places the electrode 10 into the electrode accommodating cavity 210 of the housing 200, the tester moves the second wedge-shaped structure 132, and the substrate 111 moves along with the direction of the electrode 10, so that the medical device is in a clamped state, and the conductive component 112 is clamped with the electrode 10, so that the conductive component 112 can output a stimulus signal to the electrode 10, and further, signal testing is realized.

It should be noted that, in each embodiment, the differences from the other embodiments are emphasized, and the same similar parts between the embodiments are referred to each other. In addition, the different parts of the first embodiment and the second embodiment may be combined with each other, for example, the medical device includes two electrode connection units, and one electrode connection unit of the first embodiment and one electrode connection unit of the second embodiment are adopted, so that the medical device has another combined structure, and the stability of the electrical connection in the electrode test can be improved.

In summary, in the electrode connection unit and the medical device provided by the present invention, the electrode connection unit includes: an electrode connection assembly and a driving assembly; the electrode connection assembly is used for providing a stimulation signal to an electrode; the driving component is connected with the electrode connecting component and is used for driving the electrode connecting component to move between an electrode disconnecting position and an electrode connecting position along a linear direction, and the driving component is also used for locking the electrode connecting component at the electrode connecting position. So set up, make electrode coupling assembling can follow a straight line direction and remove for electrode coupling assembling's removal space dimension diminishes, makes electrode coupling assembling remove stability and precision promote, and then promotes connection stability, makes electrical contact good, and, drive assembly is to electrode coupling assembling's locking, makes electrode coupling assembling and electrode's electrical contact more stable.

It should also be appreciated that while the present invention has been disclosed in the context of a preferred embodiment, the above embodiments are not intended to limit the invention. Many possible variations and modifications of the disclosed technology can be made by anyone skilled in the art without departing from the scope of the technology, or the technology can be modified to be equivalent. Therefore, any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present invention still fall within the scope of the technical solution of the present invention.

Claims (12)

1. An electrode connection unit for installation in a medical device, comprising: an electrode connection assembly and a driving assembly;

the electrode connection assembly has a conductive assembly for conductive connection with an electrode;

the driving component is connected with the electrode connecting component and is used for driving the electrode connecting component to move between an electrode disconnecting position and an electrode connecting position along a linear direction, and the driving component is also used for locking the electrode connecting component at the electrode connecting position.

2. The electrode connection unit according to claim 1, wherein the driving assembly includes a wedge-shaped structural member including a first wedge-shaped structure connected with the electrode connection assembly and a second wedge-shaped structure disposed against the first wedge-shaped structure, and movement of the second wedge-shaped structure drives the electrode connection assembly to move in the linear direction.

3. The electrode connection unit of claim 2, wherein the driving assembly further comprises a locking structure provided on the second wedge structure for fixing a position of the second wedge structure.

4. The electrode connection unit of claim 2, wherein the drive assembly further comprises a limit guide structure disposed on the second wedge structure for providing guidance for movement of the second wedge structure.

5. The electrode connection unit according to claim 1, wherein the electrode connection assembly comprises a substrate; the conducting assembly comprises a conducting clamping groove arranged on the substrate, the conducting clamping groove extends along the linear direction, and an opening of the conducting clamping groove faces to the electrode connecting position and is used for being clamped with the electrode; the driving assembly is connected with the base plate.

6. A medical device, comprising: a housing and at least one electrode connection unit according to any one of claims 1-5;

an electrode accommodating cavity for limiting an electrode is arranged in the shell;

the electrode connecting unit comprises a shell, an electrode connecting assembly, a driving assembly and a driving assembly, wherein the electrode connecting assembly of the electrode connecting unit is arranged in the shell; and the driving component drives the electrode connecting component to intervene or withdraw from the electrode accommodating cavity to move, so that the electrode connecting component moves between an electrode disconnecting position and an electrode connecting position, and the conducting component is in contact conduction with an electrode in the electrode accommodating cavity when the electrode connecting component is in the electrode connecting position.

7. The medical device of claim 6, wherein the drive assembly is slidably coupled to the housing.

8. The medical device of claim 6, wherein the pass-through assembly includes a pass-through slot having a slot depth extending in the linear direction; the electrode accommodating cavity is formed by arranging a plurality of clamping blocks arranged on the shell, and gaps for the conducting clamping grooves to extend in are formed between the adjacent clamping blocks.

9. The medical device of claim 8, wherein the conductive clip slot is formed by an electrical clip secured to a substrate.

10. The medical device of claim 6, wherein the drive assembly has a toggle slider; the opening communicated with the electrode accommodating cavity is positioned at the top of the shell, and the position of the poking sliding block is positioned at the side surface of the shell, or the position of the poking sliding block and the opening are arranged towards the same side.

11. The medical device according to claim 6, wherein the electrode is provided with an electrode auxiliary fixing unit, the electrode auxiliary fixing unit comprises at least two electrode fixing grooves and an electrode fixing rod, the at least two electrode fixing grooves are arranged on the electrode fixing rod, and the electrode fixing grooves are clamped on the electrode and adjacently correspond to contact portions of the electrode between the electrode fixing grooves.

12. The medical device of claim 6, further comprising a connector connected with the conductive assembly of the electrode connection unit, the connector comprising a plurality of signal pin assemblies and a break pin assembly, a male pin of the break pin assembly being inserted into a female socket of the break pin assembly to a depth less than a male pin of the signal pin assembly being inserted into a female socket of the signal pin assembly.

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