CN219557321U - Saddle-shaped stimulating electrode - Google Patents

Abstract

The utility model provides a saddle-shaped stimulating electrode which comprises a stimulator, a lead wire, a plug and a disposable electrode patch, wherein one end of the lead wire is connected with the plug, the other end of the lead wire is connected with the stimulator, the stimulator comprises a base, a U-shaped electrode is arranged on the bottom surface of the base, and the disposable electrode patch is buckled on the U-shaped electrode. The disposable electrode patch comprises a non-woven fabric, conductive hydrogel, an electrode buckle base and electrode buckles, wherein the electrode buckle base is arranged on the non-woven fabric corresponding to the U-shaped electrode, the electrode buckles are arranged on two sides of the electrode buckle base, the conductive hydrogel is filled in the electrode buckle base, and clamping hooks are arranged on the electrode buckles; during assembly, the clamping hooks are clamped on the U-shaped electrode. The utility model has simple structure and convenient operation, and realizes arbitrary disassembly and assembly of the electrode patch and the stimulator by fastening the disposable electrode patch on the stimulator; the electrode patch is disposable, does not need to be disinfected, is replaced immediately after being used up, avoids cross infection among patients, and prolongs the service life of the saddle-shaped stimulating electrode.

Description

Saddle-shaped stimulating electrode

Technical Field

The utility model belongs to the technical field of medical appliances, and particularly relates to a saddle-shaped stimulating electrode.

Background

The electromyography can assist in diagnosing clinical diseases and judge the degree and the range of nerve injury, thereby providing reference basis for clinical and rehabilitation treatment and prognosis judgment. In electromyography detection, a surface electrode is generally adopted as a stimulating electrode, and in electrophysiological detection of median nerve and ulnar nerve, a saddle electrode is often required to be used in detection of other parts due to extremely narrow application range of a ring electrode. However, the saddle-shaped stimulating electrode in the prior art has the following defects: 1. the saddle-shaped stimulating electrode is repeatedly used by a plurality of people, is unfavorable for disinfection, is extremely easy to cause cross infection among patients and is easy to damage, so that the service life of the saddle-shaped stimulating electrode is shorter; 2. when an operator uses the saddle-shaped stimulation electrode to perform long-time fixed examination, the operator needs to expend much effort and time to hold the position of the fixed stimulation electrode, so that the pressure of the operator is large, and the saddle-shaped electrode and the stimulation part are easily caused to have large contact change, thereby causing the problem of unstable current stimulation signals and being unfavorable for practical application.

The Chinese patent publication No. CN 208404573U discloses a saddle electrode, which comprises a stimulation part, a matrix and an operation part, wherein the operation part is used as a holding part, so that the holding is durable, the posture is constant, and the stability of a current stimulation signal is ensured; the base body is connected with the operation part through the screw, the installation is clean and convenient, and the stimulation part is detachably connected with the base body, so that the stimulation part can be replaced conveniently as required. The technical scheme is convenient to clean and install the stimulation part and convenient to hold for a long time, but the problems of cross infection caused by repeated use of multiple people and high pressure of operators still exist.

In the prior art, the technical scheme of using the disposable electrode is used for solving the technical problem of cross infection, but the disposable electrode is mostly applied to electroencephalogram detection and electrocardiograph detection, such as a disposable bioelectrode disclosed in China utility model with an announcement number of CN 207236785U, a disposable electrocardiograph disclosed in China utility model with an announcement number of CN 208017492U, and the like, and is not suitable for a saddle-shaped stimulating electrode. The disposable protective sleeve of the electromyography stimulating electrode disclosed by the Chinese utility model with the publication number of CN202283255U is sleeved on the stimulating electrode through a sleeved opening, so that the transmission of germs can be avoided, but the disposable protective sleeve is connected with the stimulating electrode unstably, so that the problem of falling off is easily caused, and the defect cannot be well solved, so that the design of a saddle-shaped stimulating electrode is needed to solve the technical problem.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems in the related art to some extent. For this purpose,

according to an embodiment of the present disclosure, there is provided a saddle-shaped stimulating electrode, which includes a stimulator, a lead wire, a plug, a disposable electrode patch and a binding band, wherein one end of the lead wire is connected with the plug, the other end is connected with the stimulator, the stimulator includes a base, a U-shaped electrode is provided on the bottom surface of the base, the disposable electrode patch is fastened on the U-shaped electrode, and a groove adapted to the width of the binding band is provided on the top of the base;

the disposable electrode patch comprises a non-woven fabric, conductive hydrogel, an electrode buckle base and electrode buckles, wherein the electrode buckle base is arranged on the non-woven fabric corresponding to the U-shaped electrode, the electrode buckles are arranged on two sides of the electrode buckle base, the conductive hydrogel is filled in the electrode buckle base, and clamping hooks are arranged on the electrode buckles; during assembly, the clamping hooks are clamped to the U-shaped electrode.

The saddle-shaped stimulating electrode provided by the technical scheme is simple in structure and convenient to use, and the disposable electrode paste is buckled on the stimulator, so that the electrode paste and the stimulator can be arbitrarily disassembled and assembled; the electrode patch is disposable, so that disinfection is not needed, replacement is carried out immediately, cross infection among patients is avoided, and the service life of the saddle-shaped stimulating electrode is prolonged; the disposable electrode patch is connected with the stimulator through the clamping hook, the clamping hook has certain elasticity, the buckling connection of the disposable electrode patch is convenient, the connection stability is ensured, the conductive hydrogel is soft in texture and good in conductivity, and the requirements of a subject on comfort and accuracy are met; meanwhile, when the specific position needs to be detected for a long time, the stimulator is fixed at the detection position by using the binding belt, so that the pressure of an operator is reduced, and the stability of a detection signal is improved.

In some embodiments of the utility model, the binding band is a magic tape, one surface of the magic tape is a suede surface, and the other surface of the magic tape is a hook surface, so that the stimulator is convenient to fix and easy to disassemble.

In some embodiments of the present utility model, the stimulator further includes a handle, two U-shaped electrodes are disposed on the bottom surface of the base at intervals, one end of the handle is detachably and fixedly connected to the base, and the other end extends toward a direction away from the U-shaped electrodes; through setting up the handle, make things convenient for operating personnel to take and remove saddle shape stimulating electrode, and the handle can dismantle fixed connection with the base, the dismouting of the handle of being convenient for.

In some embodiments of the present utility model, the handle includes a T-shaped operating member and a mounting assembly, the mounting assembly is disposed on a bottom surface of the T-shaped operating member, a through hole is disposed in a middle portion of the base, the through hole is adapted to the mounting assembly, and the mounting assembly is clamped in the through hole to mount the handle, so that connection between the handle and the base is more convenient.

In some embodiments of the present utility model, the mounting assembly includes a connection post and a mounting portion, the connection post is connected to the T-shaped operating member and the mounting portion, wherein the mounting portion is in a shape of a circular arc rectangular plate, the through hole includes a main hole and a clamping groove, the main hole penetrates through the top surface and the bottom surface of the base, the cross section of the main hole is the same as the shape of the mounting portion, and the clamping groove is formed on the bottom surface of the base and is located at two sides of the main hole; during assembly, the mounting part penetrates through the main hole from top to bottom and is rotationally clamped in the clamping groove. The through hole under the structure forms a hidden buckle structure matched with the mounting part, so that the handle is convenient to assemble and disassemble.

In some embodiments of the present utility model, the U-shaped electrode includes an electrode shell and an electrode tip, the electrode shell is fixedly disposed in the base, and the electrode tip is detachably and fixedly connected in the electrode shell, so as to facilitate disassembly, assembly and replacement of the electrode tip.

In some embodiments of the utility model, the electrode shell is provided with an internal threaded hole, and the top of the electrode head is provided with external threads matched with the internal threaded hole.

In some embodiments of the utility model, the wire core of the lead wire is connected to two of the electrode cases by soldering.

In some embodiments of the present utility model, the nonwoven fabric is provided with two layers and is provided with a through hole adapted to the electrode buckle base, and the electrode buckle base is installed in the through hole.

In some embodiments of the utility model, the size of the disposable electrode patch is larger than the size of the bottom surface of the base.

In some embodiments of the utility model, the plug is a five-pin connector that is connected to an electromyography detection device.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a saddle-shaped stimulating electrode according to an embodiment of the present utility model;

FIG. 2 is an exploded cross-sectional view of a stimulator according to an embodiment of the present utility model;

fig. 3 is a bottom view of a base of an embodiment of the present utility model.

In the above figures: saddle-shaped stimulating electrode 100; a stimulator 1; a base 11; a U-shaped electrode 12; an electrode case 121; an electrode tip 122; an internal threaded hole 123; an external thread 124; a handle 13; a T-shaped operation member 131; a connecting post 132; a mounting portion 133; a lead wire 2; a plug 3; a disposable electrode patch 4; a nonwoven fabric 41; a conductive hydrogel 42; an electrode button base 43; an electrode button 44; a hook 441; a strap 5; a pile face 51; hook surface 52; a groove 6; a through hole 7; a main hole 71; and a clamping groove 72.

Detailed Description

The present utility model will be specifically described below by way of exemplary embodiments. It is to be understood that elements, structures, and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.

In the description of the present utility model, it should be noted that the positional or positional relationship indicated by the terms such as "inner", "outer", "upper", "lower", "front", "rear", etc. are based on the positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

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", or a third "may explicitly or implicitly include one or more such feature.

In order to better understand the above technical solution, the following detailed description will refer to the accompanying drawings and specific embodiments.

Referring to fig. 1 to 3, in an exemplary embodiment of a saddle-shaped stimulating electrode 100 according to the present utility model, the saddle-shaped stimulating electrode 100 includes a stimulator 1, a lead wire 2, a plug 3, and a disposable electrode patch 4, one end of the lead wire 2 is connected to the plug 3, the other end is connected to the stimulator 1, the stimulator 1 includes a base 11, a U-shaped electrode 12 is disposed on a bottom surface of the base 11, and the disposable electrode patch 4 is fastened to the U-shaped electrode 12. In the present embodiment, the plug 3 is a five-pin connector connected to an electromyogram detection apparatus for electromyogram detection.

The saddle-shaped stimulating electrode 100 provided by the embodiment has a simple structure and is convenient to use, and the disposable electrode patch 4 is buckled on the stimulator 1, so that the electrode patch and the stimulator 1 can be arbitrarily disassembled and assembled; the electrode patch is disposable, does not need to be disinfected, is replaced immediately after being used up, avoids cross infection among patients, and prolongs the service life of the saddle-shaped stimulating electrode 100.

Specifically, with continued reference to fig. 1, the stimulator 1 further includes a handle 13, two U-shaped electrodes 12 are disposed on the bottom surface of the base 11 at intervals, one end of the handle 13 is detachably and fixedly connected to the base 11, and the other end extends in a direction away from the U-shaped electrodes 12. In the conventional saddle-shaped stimulating electrode 100, there is often no handle 13 or a fixed handle 13, and thus the operation is not easy or the operation mode is single. In this embodiment, the handle 13 is provided, so that an operator can conveniently take and move the saddle-shaped stimulating electrode 100, and can conveniently carry out handheld operation on the saddle-shaped stimulating electrode 100, and the handle 13 is detachably and fixedly connected with the base 11, so that the handle 13 is convenient to disassemble and assemble.

Further, the saddle-shaped stimulating electrode 100 further comprises a binding band 5, the top of the base 11 is provided with a groove 6 with the width adapted to the binding band 5, and when a specific position needs to be detected for a long time, the stimulator 1 is fixed at the detection position by using the binding band 5, so as to reduce the pressure of an operator and improve the stability of a detection signal. The bandage 5 is preferably a magic tape, one surface of the magic tape is a suede 51, the other surface of the magic tape is a hook surface 52, and the magic tape is more convenient for fixing the stimulator 1 and is easy to disassemble. For example, in this embodiment, the saddle-shaped stimulating electrode 100 can be fixed and detected by holding the handle 13 by hand, and when a specific position needs to be detected for a long time, the handle 13 is taken down and fixed around the groove 6 by using the binding band 5; preferably, the width of the groove 6 is greater than the width of the strap 5. It should be noted that, in other embodiments, the strap 5 may be a snap or other structure such as a watchband.

More specifically, the handle 13 includes T shape operating member 131 and installation component, and the bottom surface of T shape operating member 131 is provided with the installation component, and base 11 middle part is provided with through-hole 7, and through-hole 7 and installation component looks adaptation, installation component joint are used for installing handle 13 in through-hole 7, and this structure makes the connection of handle 13 and base 11 more convenient.

Referring to fig. 2, in the above embodiment, the mounting assembly includes a connection post 132 and a mounting portion 133, the connection post 132 is connected to the T-shaped operating member 131 and the mounting portion 133, wherein the mounting portion 133 has a circular arc rectangular plate shape, the through hole 7 includes a main hole 71 and a clamping groove 72, the main hole 71 penetrates through the top and bottom surfaces of the base 11, the cross section of the main hole 71 has the same shape as the mounting portion 133, and the clamping groove 72 is formed on the bottom surface of the base 11 and located at two sides of the main hole 71; when assembled, the mounting portion 133 passes through the main hole 71 from top to bottom, and is rotationally slidably engaged in the engaging groove 72. Specifically, referring to fig. 3, in the present embodiment, the clamping groove 72 is communicated with the main hole 71, and when assembled, the mounting portion 133 penetrates the main hole 71 from top to bottom, and then is horizontally rotated by 90 ° in the counterclockwise direction in fig. 3, and then is clamped to the inner wall of the clamping groove 72, so as to complete the mounting of the handle 13; likewise, when disassembled, the handle 13 can be removed after being horizontally rotated 90 ° in the clockwise direction in fig. 3. In this embodiment, the through hole 7 formed by the main hole 71 and the clamping groove 72 forms a hidden button structure adapted to the mounting portion 133, so that the handle 13 is convenient to be disassembled and assembled; the depth of the clamping groove 72 is matched with the thickness of the mounting portion 133, so that the mounting portion 133 cannot extend out of the bottom surface of the base 11, and the saddle-shaped stimulation electrode 100 is prevented from being affected.

Referring to fig. 2, the u-shaped electrode 12 includes an electrode shell 121 and an electrode tip 122, the electrode shell 121 is fixedly arranged in the base 11, and the electrode tip 122 is detachably and fixedly connected in the electrode shell 121, so that the electrode tip 122 is convenient to detach and replace. Preferably, the electrode shells 121 are provided with internal threaded holes 123, the top of the electrode head 122 is provided with external threads 124 matched with the internal threaded holes 123, the detachable fixed connection of the electrode head 122 and the electrode shells 121 is realized through threaded connection, and the wire cores of the lead wires 2 are connected to the two electrode shells 121 through soldering, so that the electric connection of the electromyogram detection equipment connected with the plug 3 by the U-shaped electrodes 12 is realized.

Specifically, referring to fig. 1 and 2, the disposable electrode patch 4 includes a nonwoven fabric 41, a conductive hydrogel 42, an electrode buckle base 43 and an electrode buckle 44, the electrode buckle base 43 is mounted on the nonwoven fabric 41 corresponding to the U-shaped electrode 12, the electrode buckle 44 is disposed on two sides of the electrode buckle base 43, the conductive hydrogel 42 is filled in the electrode buckle base 43, and a hook 441 is disposed on the electrode buckle 44; during assembly, the hook 441 is engaged with the U-shaped electrode 12. Preferably, the non-woven fabric 41 is provided with two layers and is provided with a through hole matched with the electrode buckle base 43, the electrode buckle base 43 is installed in the through hole, and the size of the disposable electrode patch 4 is larger than the bottom surface size of the base.

More specifically, in the present embodiment, two through holes are provided corresponding to the U-shaped electrodes 12, and the electrode buckle base 43 has a semicircular structure, and the inner diameter of the semicircular structure is the same as the diameter of the through holes and is placed in the interlayer of the through holes. The hook 441 has a certain elasticity, and is adapted to the electrode tip 122 of the stimulator 1, and is similar to receiving the electrical signal output by the electromyography apparatus. When the disposable electrode patch 4 is fastened, the clamping hooks 441 on the electrode buckles 44 on two sides of the same through hole are correspondingly clamped on the electrode heads 122 of the U-shaped electrodes 12 opposite to the clamping hooks, so that the disposable electrode patch 4 is fastened on the stimulator 1, the disposable electrode patch 4 is convenient to mount and dismount, the conductive hydrogel 42 combines the electrochemical performance of conductive polymers with the soft characteristic of the hydrogel, the texture is soft, the conductivity is good, and the requirements of a subject on comfort and accuracy are met.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims (8)

1. The saddle-shaped stimulating electrode is characterized by comprising a stimulator, a lead wire, a plug, a disposable electrode patch and a binding belt, wherein one end of the lead wire is connected with the plug, the other end of the lead wire is connected with the stimulator, the stimulator comprises a base, a U-shaped electrode is arranged on the bottom surface of the base, the disposable electrode patch is fastened on the U-shaped electrode, and a groove matched with the binding belt in width is formed in the top of the base;

the disposable electrode patch comprises a non-woven fabric, conductive hydrogel, an electrode buckle base and electrode buckles, wherein the electrode buckle base is arranged on the non-woven fabric corresponding to the U-shaped electrode, the electrode buckles are arranged on two sides of the electrode buckle base, the conductive hydrogel is filled in the electrode buckle base, and clamping hooks are arranged on the electrode buckles; during assembly, the clamping hooks are clamped to the U-shaped electrode.

2. The saddle shaped stimulating electrode according to claim 1, wherein said straps are velcro.

3. The saddle shaped stimulating electrode according to any one of claims 1 to 2, further comprising a handle, wherein two U-shaped electrodes are provided on the bottom surface of the base at intervals, one end of the handle is detachably and fixedly connected to the base, and the other end extends in a direction away from the U-shaped electrodes.

4. The saddle stimulating electrode according to claim 3, wherein said handle comprises a T-shaped operating member and a mounting assembly, said mounting assembly being provided on a bottom surface of said T-shaped operating member, said base having a through-hole in a middle portion thereof, said through-hole being adapted to said mounting assembly, said mounting assembly being snap-fitted into said through-hole for mounting said handle.

5. The saddle-like stimulating electrode according to claim 4, wherein said mounting assembly comprises a connection post and a mounting portion, said connection post being connected to said T-shaped operating member and said mounting portion, wherein said mounting portion has a circular arc rectangular plate shape, said through hole comprises a main hole penetrating through the top and bottom surfaces of said base and having a cross section identical to the shape of said mounting portion, and a clamping groove formed in the bottom surface of the base on both sides of said main hole; during assembly, the mounting part penetrates through the main hole from top to bottom and is rotationally clamped in the clamping groove.

6. The saddle-like stimulating electrode according to claim 1, wherein said U-shaped electrode comprises an electrode shell and an electrode tip, said electrode shell being fixedly disposed within said base, said electrode tip being removably fixedly connected within said electrode shell.

7. The saddle shaped stimulating electrode according to claim 6, wherein said electrode shell is provided with an internally threaded hole, and the top of said electrode head is provided with external threads matching said internally threaded hole.

8. The saddle-like stimulating electrode according to claim 1, wherein the nonwoven fabric is provided with two layers and provided with through holes thereon, which are adapted to the electrode buckle base, which is mounted in the through holes.