CN215937335U

CN215937335U - Fixing device for nerve electrophysiology examination

Info

Publication number: CN215937335U
Application number: CN202122253545.1U
Authority: CN
Inventors: 马阳; 李秋霞; 马玉
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-16
Filing date: 2021-09-16
Publication date: 2022-03-04
Anticipated expiration: 2031-09-16

Abstract

The application discloses fixing device is used in nerve electrophysiology inspection belongs to medical instrument technical field, including supporting seat, sliding seat, mount and location structure. The fixing frame is connected with the sliding seat in a sliding mode, when the fixing frame moves towards the supporting seat, the wrist of a patient can be fixed through the fixing frame and the supporting seat, and then the fixing frame and the sliding seat are fixed through the positioning structure. The fixing device for the neuroelectrophysiology examination that this embodiment is disclosed utilizes location structure can realize the quick fixed of mount and loosen, before using, the mount is located higher position, wait the patient to extend the wrist behind the mount below, loosen location structure, the mount can move towards the supporting seat this moment, support the back tightly with patient's wrist as the mount, tighten up location structure, can be fixed mount and sliding seat, thereby the completion is fixed to patient's wrist, so that going on of follow-up inspection.

Description

Fixing device for nerve electrophysiology examination

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a fixing device for nerve electrophysiology examination.

Background

Neuroelectrophysiology is a method for recording or measuring membrane potential changes, conduction velocities and ion channel activities of whole animals or isolated organ tissues, nerves, cell ion channels and the like by using electrophysiology instruments, microelectrodes, voltage clamps, patch clamp technologies and the like. Neuroelectrophysiological examination, i.e. electromyography, we speak of. It is an accurate quantitative examination method, and is commonly used for diagnosis of carpal tunnel syndrome. The electrophysiological examination of the median nerve of carpal tunnel syndrome mainly examines the peripheral motor latency, motor conduction velocity, sensory conduction velocity and peripheral sensory latency, and if the latency is prolonged and the conduction velocity is slowed down, the median nerve is considered to be damaged. During the neuroelectrophysiological examination, the wrist of the patient needs to be immobilized.

The existing nerve electrophysiology examination fixer is simple in structure and troublesome to operate, and the wrist part is easy to shake and bend in the examination process, so that the accuracy of a detection result is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a fixing device for nerve electrophysiology examination, which aims to solve the problems.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

in view of the above object, the present invention discloses a fixing device for neuroelectrophysiology examination, comprising:

the supporting seat is provided with a first arc-shaped groove, the first arc-shaped groove extends along the length direction of the supporting seat, and the width of the first arc-shaped groove is gradually reduced along the extending direction of the first arc-shaped groove;

the sliding seat is connected with the supporting seat in a sliding mode and can slide relative to the supporting seat along the length direction of the supporting seat;

the fixed frame is connected with the sliding seat in a sliding mode, the fixed frame slides relative to the sliding seat along the height direction of the sliding seat, one end, facing the supporting seat, of the fixed frame is provided with a second arc-shaped groove used for being matched with the first arc-shaped groove, and the second arc-shaped groove is matched with the first arc-shaped groove to form a fixed groove; and

the positioning structure is arranged between the fixed frame and the sliding seat, and when the positioning structure is loosened, the fixed frame can slide relative to the sliding seat.

Optionally: the positioning structure includes:

the restraint tube is connected with the sliding seat, is sleeved outside the fixing frame and is provided with an opening penetrating through the fixing frame along the axis of the fixing frame;

the two installation parts are installed on the restraint tube and are respectively positioned on two sides of the opening; and

the tight regulation piece, the tight regulation piece respectively with two the installation department is connected, the tight regulation piece is used for adjusting two distance between the installation department, and then change the diameter of about tub, work as when the diameter of about tub increases, the mount can for the sliding seat slides.

Optionally: the slack adjuster includes:

the connecting rod penetrates through the two mounting parts at the same time, and a nut is arranged at the first end of the connecting rod; and

the handle, the handle with the second end of connecting rod is rotated and is connected, the axis of rotation of handle with the axis of connecting rod sets up perpendicularly, the handle with the junction of connecting rod is provided with circular bulge, the axis of circular bulge with the axis of rotation of handle is parallel, just the axis of rotation of handle with circular bulge eccentric settings rotates the handle is in order to change open-ended size.

Optionally: the sliding seat comprises a cross beam and two longitudinal beams, the two longitudinal beams are respectively positioned at two ends of the cross beam, the longitudinal beams deviate from one end of the cross beam and the supporting seat in sliding connection, the fixing frame is in sliding connection with the cross beam, and the restraint tube is installed on one side of the cross beam deviating from the supporting seat.

Optionally: be provided with the spout on the supporting seat, the spout is followed the length direction of supporting seat extends, the longeron deviates from the one end of crossbeam is provided with joint portion, joint portion joint in the spout.

Optionally: the spout is "T" type groove, joint portion includes slider and bolt, the slider joint in the spout, the bolt with the longeron rotates to be connected, just the bolt with slider threaded connection.

Optionally: the spout includes first groove and second groove, the width in first groove is greater than the width in second groove, the slider joint in the first groove.

Optionally: the mount includes:

the sliding rod is connected with the cross beam in a sliding mode and sleeved in the restraint pipe; and

the fixing part is connected with one end, facing the supporting seat, of the sliding rod, and the first arc-shaped groove is located on one side, facing the supporting seat, of the fixing part.

Optionally: the fixing device for the nerve electrophysiology examination comprises two sliding seats, wherein the two sliding seats are sequentially arranged along the length direction of the supporting seat, and each sliding seat is provided with the fixing frame and the positioning structure.

Optionally: rubber pads are arranged in the first arc-shaped groove and the second arc-shaped groove.

Compared with the prior art, the utility model has the following beneficial effects:

the fixing device for the neuroelectrophysiology examination disclosed by the utility model can realize the quick fixation and loosening of the fixing frame by utilizing the positioning structure, before the fixing device is used, the fixing frame is positioned at a higher position, after a patient extends the wrist to the lower part of the fixing frame, the positioning structure is loosened, the fixing frame can move towards the supporting seat, when the fixing frame tightly supports the wrist of the patient, the positioning structure is tightened, and the fixing frame and the sliding seat can be fixed, so that the fixing of the wrist of the patient is finished, and the subsequent examination is convenient to carry out. The fixing device for the neuroelectrophysiology examination has the advantages of simple structure and convenience in operation, and the wrist of a patient can be firmly fixed by utilizing the fixing frame and the supporting seat, so that the wrist of the patient is prevented from shaking and bending in the examination process, and the accuracy of the detection structure is ensured.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

FIG. 1 is a top view of a fixture for neuroelectrophysiological examination according to an embodiment of the present invention;

FIG. 2 is a front cross-sectional view of a fixture for neuroelectrophysiological examination disclosed in an embodiment of the present invention;

FIG. 3 is a schematic view of a support base disclosed in an embodiment of the present invention;

FIG. 4 is a schematic view of a slide mount disclosed in an embodiment of the present invention;

FIG. 5 is a schematic view of a mount disclosed in an embodiment of the present invention;

FIG. 6 is a schematic diagram of a positioning structure from a first perspective according to an embodiment of the present disclosure;

fig. 7 is a schematic diagram of a positioning structure disclosed in the embodiment of the utility model in a second viewing angle.

In the figure:

110-a support base; 111-a first arcuate slot; 112-a chute; 1121 — a first slot; 1122-a second slot; 113-a fixation groove; 120-a sliding seat; 121-a cross beam; 1211-through hole; 122-longitudinal beams; 123-a clamping part; 1231-slider; 1232-bolt; 130-a fixed mount; 131-a sliding rod; 132-a fixed part; 1321-a second arcuate slot; 140-a positioning structure; 141-a constraining tube; 1411-an opening; 142-a mounting portion; 143-a slack adjuster; 1431-connecting rod; 1432-handle; 1433-circular projection; 1434-nut; 150-rubber cushion.

Detailed Description

The present invention will be described in further detail below with reference to specific embodiments and with reference to the attached drawings.

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, as disclosed in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present application, it should be noted that the indication of orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship which is usually placed when the product of the application is used, or the orientation or positional relationship which is usually understood by those skilled in the art, or the orientation or positional relationship which is usually placed when the product of the application is used, and is only for the convenience of describing the application and simplifying the description, but does not indicate or imply that the indicated device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the application. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present application, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, and may for example be fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

Example (b):

referring to fig. 1 to 7, an embodiment of the utility model discloses a fixing device for nerve electrophysiology examination, which includes a supporting base 110, a sliding base 120, a fixing frame 130 and a positioning structure 140. The fixing frame 130 is slidably connected to the sliding seat 120, when the fixing frame 130 moves toward the supporting seat 110, the wrist of the patient can be fixed by the fixing frame 130 and the supporting seat 110, and then the fixing frame 130 is fixed to the sliding seat 120 by the positioning structure 140.

The fixing device for nerve electrophysiology examination disclosed in this embodiment utilizes location structure 140 can realize the quick fixed of mount 130 and loosen, before the use, mount 130 is located higher position, after the patient extends the wrist to mount 130 below, loosen location structure 140, mount 130 can move towards supporting seat 110 this moment, after mount 130 supports patient's wrist tightly, tighten up location structure 140, can be fixed mount 130 and sliding seat 120, thereby accomplish the fixed to patient's wrist, so that going on of follow-up inspection. The fixing device for the neuroelectrophysiology examination has the advantages of simple structure and convenient operation, and the wrist of the patient can be firmly fixed by utilizing the fixing frame 130 and the supporting seat 110, so that the wrist of the patient is prevented from shaking and bending in the examination process, and the accuracy of the detection structure is ensured.

The support base 110 is in a long plate shape, and a first arc-shaped groove 111 is formed in the middle of the support base 110. The first arc-shaped groove 111 extends along the length direction of the support base 110, two ends of the first arc-shaped groove 111 respectively extend to two opposite end surfaces of the support base 110, and the width of the first arc-shaped groove 111 is gradually reduced along the extending direction thereof so as to adapt to the wrist of the patient.

The supporting seat 110 is provided with sliding grooves 112 on two sides of the first arc-shaped groove 111, the sliding grooves 112 are parallel to the first arc-shaped groove 111, but two ends of the sliding grooves 112 are spaced from two ends of the supporting seat 110, that is, two ends of the sliding grooves 112 do not extend to the end surface of the supporting seat 110.

The sliding seat 120 includes a cross beam 121 and two longitudinal beams 122, the two longitudinal beams 122 are respectively located at two ends of the cross beam 121, the two longitudinal beams 122 and the two sliding grooves 112 are arranged in a one-to-one correspondence manner, and the longitudinal beams 122 can slide relative to the supporting seat 110 through matching with the sliding grooves 112.

The sliding groove 112 can be set to be a "T" shaped groove, one end of the longitudinal beam 122 away from the cross beam 121 is provided with a clamping portion 123 for being matched with the sliding groove 112, and the clamping portion 123 is matched with the sliding groove 112 in a clamping manner, so that the sliding seat 120 can only slide relative to the supporting seat 110 along the sliding groove 112.

Specifically, the clamping portion 123 includes a sliding block 1231 and a bolt 1232, the sliding block 1231 is clamped in the sliding groove 112, the bolt 1232 is rotatably connected to the longitudinal beam 122, and the bolt 1232 is in threaded connection with the sliding block 1231. The sliding slot 112 includes a first slot 1121 with a larger width and a second slot 1122 with a smaller width, the sliding block 1231 is clamped in the first slot 1121, and the thickness of the sliding block 1231 is smaller than the height of the first slot 1121, so that when the bolt 1232 is screwed, the sliding block 1231 can move along the height direction of the first slot 1121. In this embodiment, referring to fig. 2, when the bolt 1232 is screwed forward, the sliding block 1231 moves along the first groove 1121 toward the second groove 1122, the sliding block 1231 and the bottom of the longitudinal beam 122 clamp the support, and the sliding seat 120 is fixed; when the bolt 1232 is turned reversely, the sliding block 1231 moves toward the bottom of the first groove 1121, the clamping of the supporting seat 110 by the sliding block 1231 is released, and the sliding seat 120 can slide relative to the supporting seat 110.

Further, in order to ensure that the sliding block 1231 does not rotate along with the bolt 1232 when the bolt 1232 is screwed, the cross section of the sliding block 1231 may be rectangular, and the width of the cross section is equal to the width of the first groove 1121, so as to prevent the sliding block 1231 from rotating along with the bolt 1232.

The fixing frame 130 is mounted on the sliding seat 120, and the fixing frame 130 is slidably connected with the sliding seat 120, and the fixing frame 130 can slide relative to the sliding seat 120 along the height direction of the sliding seat 120. When the fixing frame 130 slides along the sliding seat 120 towards the supporting seat 110, the fixing groove 113 formed between the fixing frame 130 and the supporting seat 110 can clamp the wrist of the patient, and when the fixing frame 130 moves towards the direction departing from the supporting seat 110, the fixing of the wrist of the patient can be released.

Specifically, the fixing bracket 130 includes a sliding rod 131 and a fixing portion 132. The cross beam 121 of the sliding seat 120 is provided with a through hole 1211, the sliding rod 131 is clamped in the through hole 1211, and the fixing portion 132 is connected with one end of the sliding rod 131 facing the supporting seat 110. A second arc-shaped slot 1321 is disposed at an end of the fixing portion 132 facing the supporting seat 110, and the second arc-shaped slot 1321 is matched with the first arc-shaped slot 111 to form the fixing slot 113. All be provided with rubber pad 150 in first arc wall 111 and second arc wall 1321 to avoid causing the injury to the patient when pressing from both sides tight patient's wrist, simultaneously, rubber pad 150 can increase with the frictional force of patient's wrist, thereby guarantee that patient's wrist is difficult for breaking away from.

A positioning structure 140 for fixing the fixing frame 130 is disposed between the sliding seat 120 and the fixing frame 130, and the positioning structure 140 includes a restriction tube 141, a slack adjuster 143, and two mounting portions 142.

The restriction tube 141 is mounted on the cross beam 121 of the sliding seat 120, the restriction tube 141 is sleeved outside the connection rod 1431 of the fixing frame 130, and the restriction tube 141 is provided with an opening 1411 penetrating through along the axis thereof. The two mounting portions 142 are mounted on the constraining tube 141, and the two mounting portions 142 are respectively located at two sides of the opening 1411. The elastic adjusting members 143 are respectively connected to the two mounting portions 142, the elastic adjusting members 143 are used for adjusting the distance between the two mounting portions 142, so as to change the diameter of the constraining tube 141, and when the diameter of the constraining tube 141 is increased, the connecting rod 1431 can slide relative to the beam 121.

The slack adjuster 143 includes a connecting rod 1431 and a handle 1432. The connection rod 1431 simultaneously penetrates the two mounting portions 142, and a nut 1434 is provided at a first end of the connection rod 1431. The handle 1432 is rotatably connected to the second end of the connection rod 1431, a rotation axis of the handle 1432 is disposed perpendicular to an axis of the connection rod 1431, the handle 1432 is provided with a circular protrusion 1433 at a connection with the connection rod 1431, an axis of the circular protrusion 1433 is parallel to a rotation axis of the handle 1432, and a rotation axis of the handle 1432 is eccentrically disposed from the circular protrusion 1433, and the handle 1432 is rotated to change a size of the opening 1411.

When the handle 1432 rotates, the circular protrusion 1433 is driven to rotate, and because the circular protrusion 1433 is eccentrically arranged with the rotation axis of the handle 1432, when the handle 1432 drives the circular protrusion 1433 to rotate, the distance between the rotation axis of the handle 1432 and the adjacent installation part 142 changes, and the length of the connection rod 1431 does not change, so that the distance between the two installation parts 142 changes, and the constraint force of the constraint tube 141 on the sliding rod 131 is further changed.

In some embodiments of the present embodiment, the sliding seat 120, the fixing frame 130 and the positioning structure 140 may be provided in two sets, and the two sets are arranged along the length direction of the supporting seat 110. Thus, when the examination is carried out, the wrist of the patient can be fixed at two positions respectively, so that the fixing effect is enhanced. In addition, the two sliding seats 120 are slidably connected to the supporting seat 110, so that the distance between the two sliding seats 120 can be conveniently changed, and the wrist support is suitable for patients with different wrist lengths.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A fixing device for nerve electrophysiology examination, comprising:

2. The neurophysiological examination fixation device of claim 1, wherein the positioning structure comprises:

3. The neurophysiological examination fixation device of claim 2, wherein the slack adjuster comprises:

4. The fixing device for neuroelectrophysiological examination of claim 3, wherein the sliding seat comprises a cross member and two longitudinal members, the two longitudinal members are respectively disposed at two ends of the cross member, one end of the longitudinal member facing away from the cross member is slidably connected to the supporting seat, the fixing frame is slidably connected to the cross member, and the restraining tube is mounted on one side of the cross member facing away from the supporting seat.

5. The fixing device for neuroelectrophysiology examination according to claim 4, wherein the supporting seat is provided with a sliding groove, the sliding groove extends along the length direction of the supporting seat, one end of the longitudinal beam, which is away from the cross beam, is provided with a clamping portion, and the clamping portion is clamped in the sliding groove.

6. The fixing device for the neuroelectrophysiology examination, according to claim 5, wherein the sliding groove is a T-shaped groove, the clamping portion comprises a sliding block and a bolt, the sliding block is clamped in the sliding groove, the bolt is rotatably connected with the longitudinal beam, and the bolt is in threaded connection with the sliding block.

7. The fixing device for neuroelectrophysiological examination of claim 6, wherein the slide groove includes a first groove and a second groove, the first groove has a width greater than that of the second groove, and the slider is engaged with the first groove.

8. The fixture for neuroelectrophysiology examination according to claim 4, wherein the fixture includes:

9. The nerve electrophysiology examination fixing device according to any one of claims 1 to 8, wherein the nerve electrophysiology examination fixing device comprises two sliding seats, the two sliding seats are sequentially arranged along the length direction of the supporting seat, and the fixing frame and the positioning structure are mounted on each sliding seat.

10. The fixture according to any one of claims 1 to 8, wherein rubber pads are disposed in both the first arc-shaped groove and the second arc-shaped groove.