CN210228139U - Multifunctional nerve-muscle experiment recording device with interference prevention function - Google Patents
Multifunctional nerve-muscle experiment recording device with interference prevention function Download PDFInfo
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- CN210228139U CN210228139U CN201920686998.3U CN201920686998U CN210228139U CN 210228139 U CN210228139 U CN 210228139U CN 201920686998 U CN201920686998 U CN 201920686998U CN 210228139 U CN210228139 U CN 210228139U
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Abstract
The application discloses a multifunctional nerve-muscle experiment recording device with interference prevention, which comprises a muscle groove and a shielding box for placing the nerve and the muscle groove; the muscle groove comprises a shell without a top surface, a fixed shaft arranged in the shell along the length direction of the shell and a plurality of electrodes sleeved on the fixed shaft, wherein the first side surface and the third side surface of the shell are provided with femur fixing holes, the second side surface is provided with a first opening, and the first side surface is provided with a second opening at a position corresponding to the fixed shaft; the third side face of the shielding box close to the second side face is provided with a plurality of electrode holes, and each electrode hole corresponds to an electrode one by one. The device, accessible shielding box shields external environment. In addition, the device can horizontally fix the sciatic nerve muscle specimen in the shell, can stimulate muscles by using electrodes inside and outside the shell, can record muscle potential change during nerve stimulation, can record nerve potential change and muscle potential change during muscle stimulation, and has wide data recording range.
Description
Technical Field
The application relates to the field of medical application, in particular to a multifunctional nerve-muscle experiment recording device with interference prevention function.
Background
In physiological nerve-muscle experiments, namely experiments on the influence of stimulation intensity and frequency on skeletal muscle contraction, the process and mechanism of stimulating sciatic nerve to cause gastrocnemius muscle contraction are as follows: stimulation of sciatic nerve-nerve excitation (AP) -excitation on nerve fibers-nerve-muscle junction excitation transmission-muscle cell excitation (AP) -excitation-contraction coupling-thick and thin filament slippage (i.e. muscle contraction). The traditional experimental device electrically stimulates the sciatic nerve, can only record the muscle contraction condition, cannot simultaneously and accurately record the bioelectricity of the nerve and the muscle, namely the change of Action Potential (AP) due to the interference of external static electricity, magnetic field and other environmental factors, and cannot fully verify the process and mechanism of muscle contraction caused by nerve stimulation and the single transmission function of action potential bidirectional conduction and nerve-muscle joint excitation.
Therefore, how to accurately record the problems of nerve, muscle discharge, muscle contraction and the like at the same time is a problem to be solved urgently by the technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
The application provides a multi-functional nerve-muscle experiment recorder with jam-proof, has solved the problem of external environment to the influence of experimental data and the application range of physiology muscle groove among the prior art.
In order to solve the above technical problem, the present application provides a multifunctional nerve-muscle experiment recording apparatus with interference prevention, including:
the muscle groove and the shielding box are used for placing the muscle groove;
the muscle groove comprises a shell without a top surface, a fixed shaft arranged in the shell along the length direction of the shell and a plurality of electrodes sleeved on the fixed shaft, wherein femur fixing holes are formed in a first side surface and a third side surface of the shell, a first opening for enabling an electrode wire of each electrode to penetrate through is formed in a second side surface of the shell, and a second opening is formed in the position, corresponding to the fixed shaft, of the first side surface;
a plurality of electrode holes are formed in the fourth side face, close to the second side face, of the shielding box, and the electrode holes correspond to the electrodes one to one;
the first side face and the third side face are side faces where the fixing shaft is located, and the second side face is an adjacent side face of the first side face and the third side face.
Preferably, the electrode holes are disposed at equal intervals on the fourth side surface.
Preferably, the fixing hole has an elliptical shape in cross section.
Preferably, one end of the fixing shaft, which is far away from the second opening, is fixedly connected with the shell.
Preferably, the method further comprises the following steps:
a support disposed at a location proximate to the second opening.
Preferably, a wire passing hole is further formed in a fifth side face, close to the first side face, of the shielding box.
Compared with the prior art, the multifunctional nerve-muscle experiment recording device with the interference prevention function comprises a muscle groove and a shielding box for placing the muscle groove; the muscle groove comprises a shell without a top surface, a fixed shaft arranged in the shell along the length direction of the shell and a plurality of electrodes sleeved on the fixed shaft, wherein femur fixing holes are formed in the first side surface and the third side surface of the shell, first openings for enabling electrode wires of the electrodes to penetrate through are formed in the second side surface of the shell, and second openings are formed in the positions, corresponding to the fixed shaft, of the first side surface; a plurality of electrode holes are formed in the fourth side surface, close to the second side surface, of the shielding box, and the electrode holes correspond to the electrodes one to one; the first side face and the third side face are side faces where the fixing shafts are located, and the second side face is an adjacent side face of the first side face and the third side face. Therefore, the physiological experiment device can shield the magnetic field, the static electricity and the like of the external environment through the shielding box, and further can improve the success rate of experiments and the accuracy of experimental data. In addition, the second opening is arranged at the position, corresponding to the fixed shaft, on the first side face of the shell, the fixed shaft can be extended out of the shell through the second opening, the sciatic nerve muscle specimen can be horizontally fixed in the shell, then the muscle is stimulated through the electrode outside the shell, not only can the muscle potential change in the process of stimulating the nerve be recorded, but also the nerve potential change in the process of stimulating the muscle and the potential change of the muscle in the process of stimulating the muscle can be recorded, and the recordable data range is wide.
Drawings
In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments are briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without making any inventive changes.
Fig. 1 is a schematic perspective view of an anti-interference multifunctional nerve-muscle experimental recording device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a casing of a multifunctional nerve-muscle experiment recording device with interference prevention according to an embodiment of the present invention;
fig. 3 is a schematic plane structure diagram of a multifunctional nerve-muscle experiment recording device with interference prevention according to an embodiment of the present invention.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be described clearly and completely with reference to the accompanying drawings.
The core of the application is to provide a multifunctional nerve-muscle experiment recording device with interference prevention, which can solve the problems of the influence of the external environment on the experiment data and the application range of the physiological muscle groove in the prior art.
Fig. 1 is a schematic perspective view of a multifunctional nerve-muscle experiment recording device with interference prevention according to an embodiment of the present invention, as shown in fig. 1, the device includes:
a muscular groove and a shielding box 1 for placing the muscular groove;
the muscle groove comprises a shell 2 without a top surface, a fixed shaft 3 arranged in the shell 2 along the length direction of the shell 2 and a plurality of electrodes 4 sleeved on the fixed shaft 3; fig. 2 is a schematic view of a shell structure of a muscle groove according to an embodiment of the present invention, as shown in fig. 2, a femur fixing hole 200 is disposed on a first side surface 20 and a third side surface 21 of the shell 2, a first opening 201 for passing an electrode wire of each electrode 4 is disposed on a second side surface 22 of the shell 2, and a second opening 202 is disposed on the first side surface 20 at a position corresponding to the fixing shaft 3;
a plurality of electrode holes are formed in the fourth side surface, close to the second side surface 22, of the shielding box 1, and the electrode holes correspond to the electrodes 4 one by one;
the first side 20 and the third side 21 are sides where the fixing shaft 3 is located, and the second side 22 is an adjacent side of the first side 20 and the third side 21. In practical applications, the device provided by the embodiment of the present application further includes a needle electrode 31. In practical applications, the fixed shaft 3 is further provided with a fixer 33. Specifically, a shielding box 1 is configured for the myocyte, the shielding box 1 is actually a closed metal box, electromagnetic fields inside and outside the closed metal box are separated and do not interfere with each other, when an electromagnetic field exists outside, the electromagnetic fields originally want to enter the shielding box 1, but because the shielding box 1 is a metal conductor, electrons which freely flow in the conductor can directionally move on a large scale under the action of the electromagnetic field, and then the electrons serve as a buffer band to completely delay the attack initiated by the electromagnetic field. Utilize shielding box 1 can effectually shield the muscle groove, separate experiment sample and external in the muscle groove, prevent that external factors such as electric field, static and wind from to the influence of experiment, can obtain more accurate experimental data.
The muscle groove comprises a shell 2 without a top surface, the shell 2 is of a groove structure, as shown in fig. 2, a fixing shaft 3 is arranged in the length direction of the shell 2, namely, two ends of the fixing shaft 3 are in contact with a first side surface 20 and a third side surface 21, a second opening 202 is arranged on the first side surface 20, one end of the fixing shaft 3 can penetrate out of the first side surface 20 through the second opening 202, a plurality of electrodes 4 are arranged on the fixing shaft 3, the electrodes 4 can move back and forth on the fixing shaft 3, the electrodes 4 are two in one group, one electrode in the electrodes 4 on the fixing shaft 3 is grounded, and in practical application, for convenience of measurement, scales are further arranged on the fixing shaft 3; the size of the second opening 202 is based on the ability of the fixing shaft 3, and the number of the electrodes 4 is set to be suitable, which can be determined according to the actual situation, but the present invention is not limited thereto. A plurality of electrode holes are formed in a side surface (fourth side surface) of the shielding box 1 close to the second side surface 22 of the housing 2, the number of the electrode holes corresponds to the number of the electrodes 4 one by one, screws 10 for fixing electrode wires are installed in the electrode holes, a first opening 201 is formed in the second side surface 22 of the housing 2, and the electrode wires corresponding to the electrodes 4 can be led to the electrodes 4 through the first opening 201. The first side surface 20 and the third side surface 21 of the shell 2 are both provided with the femur fixing holes 200, and the femur fixing holes 200 on the two side surfaces need to be aligned, namely, on the same straight line, the femur to be tested can be fixed by using the femur fixing holes 200. The electrode lines corresponding to the electrodes 4 are not shown in fig. 1, but do not represent nothing.
Fig. 3 is a schematic plan view of a multifunctional nerve-muscle experimental recording device with interference prevention according to an embodiment of the present invention, as shown in fig. 3, 30 indicates a scale provided on the fixed shaft 3, which can measure the length of a separated nerve; the fixed shaft 3 is arranged in the shell 2, an electrode 4 sleeved on the fixed shaft 3 and a needle-shaped electrode 31 not sleeved on the fixed shaft 3 are shown in fig. 3, the electrode 4 can transversely slide on the fixed shaft 3, the electrode 4 can stimulate nerves or record action potentials on the nerves, and the needle-shaped electrode 31 can penetrate into muscles to record the action potentials in the muscles; 32 denotes an electrode wire, and the electrode wire 32 connects the screw 10 (post), the electrode 4, and the needle electrode 31; in order to further improve the fixing effect on the femur, a fixer 33 is further arranged on the fixing shaft 3, and the femur can be further fixed through the fixer 33; 34 denotes a pulley, the cord being led out of the box through the pulley 34 after connection to the muscle, the tension transducer being connected; the shielding box 1 can avoid the interference of the external environment.
In view of the convenience of getting in and out the cord connected to the muscle in the shield case 1, on the basis of the above-described embodiment, as a preferable embodiment, the fifth side surface of the shield case 1 near the first side surface 20 is further provided with a cord passing hole through which the cord connected to the muscle can be led to the outside of the shield case 1, the cord having been passed through the pulley provided outside the shield case 1. In practical applications, in consideration of convenience of use, as shown in fig. 1, a third opening 11 corresponding to the femur fixing hole 200 may be provided at a fifth side of the shield case 1 adjacent to the first side 20, and then a pulley may be installed at a position of the third opening 11, the pulley not being shown in fig. 1 but not represented.
In actual operation, the femur bone segment separated from the experimental body needs to be fixed in a physiological myotrough jack, and action potential generated by the sciatic nerve is transmitted to a computer through an electrode so as to facilitate observation and analysis of an operator. Specifically, the femur is fixed in the housing 2 of the muscle groove through the femur fixing hole 200 and the fixer 33, that is, the nerve-muscle are all placed in the housing 2, then one end of the electrode wire 32 is fixed through the screw 10 in the electrode hole, the other end of the electrode wire 32 is led to each electrode 4 through the first opening 201, the femur can be stimulated, then the potential change of the femur is recorded through the related recording electrode, the muscle can be directly stimulated by the electrode 4 on the fixing shaft 3, and then the potential change of the muscle is recorded through the needle-type electrode 31. In practical application, one end of the muscle is connected with a flexible wire, and the other end of the flexible wire can be connected to a tension transducer outside the shielding box 1 through a pulley 34, so that the muscle strength change of the muscle when the muscle is stimulated can be effectively recorded. The pulley 34 may be directly disposed on the shielding box 1, or the pulley 34 may not be disposed on the shielding box 1, for example, disposed at a distance from the shielding box 1, and the pulley 34 may be made of polycarbonate. The experimental device of the embodiment is also connected with a test computer through an electrical stimulator, and when the stimulation is finished, corresponding curves, data and the like can be directly presented on the test computer. The experimental device can simultaneously record the muscle potential change during nerve stimulation, the nerve potential change during muscle stimulation and the muscle potential change during muscle stimulation, and can more clearly explain the electrophysiological changes of muscles and nerves during action potential.
The multifunctional nerve-muscle experiment recording device with the interference prevention function comprises a muscle groove and a shielding box for placing the muscle groove; the muscle groove comprises a shell without a top surface, a fixed shaft arranged in the shell along the length direction of the shell and a plurality of electrodes sleeved on the fixed shaft, wherein femur fixing holes are formed in the first side surface and the third side surface of the shell, first openings for enabling electrode wires of the electrodes to penetrate through are formed in the second side surface of the shell, and second openings are formed in the positions, corresponding to the fixed shaft, of the first side surface; a plurality of electrode holes are formed in the fourth side surface, close to the second side surface, of the shielding box, and the electrode holes correspond to the electrodes one to one; the first side face and the third side face are side faces where the fixing shafts are located, and the second side face is an adjacent side face of the first side face and the third side face. Therefore, the physiological experiment device can shield the magnetic field, the static electricity and the like of the external environment through the shielding box, and further can improve the success rate of experiments and the accuracy of experimental data. In addition, the second opening is arranged at the position, corresponding to the fixed shaft, on the first side face of the shell, the fixed shaft can be extended out of the shell through the second opening, the sciatic nerve muscle specimen can be horizontally fixed in the shell, then the muscle is stimulated through the electrode outside the shell, not only can the muscle potential change in the process of stimulating the nerve be recorded, but also the nerve potential change in the process of stimulating the muscle and the potential change of the muscle in the process of stimulating the muscle can be recorded, and the recordable data range is wide.
In view of the aesthetic appearance of the shield case 1, on the basis of the above-described embodiment, as a preferable embodiment, the electrode holes are provided at equal intervals on the fourth side surface. Specifically, electrode holes corresponding to the electrodes 4 are provided at equal intervals on the fourth side surface of the shield case 1. In view of the shape of the femur, to be able to firmly fix the femur in the femur fixing hole 200, on the basis of the above-described embodiment, as a preferable embodiment, the cross section of the femur fixing hole 200 is an elliptical shape. In order to ensure the firmness of the connection between the end of the fixing shaft 3 and the housing 2, on the basis of the above embodiment, as a preferable implementation mode, the end of the fixing shaft 3 far away from the second opening 202 is fixedly connected with the housing 2. In order to further improve the stability of the fixing shaft 3, in addition to the above embodiment, as a preferable implementation, the fixing shaft further includes: a support disposed at a position near the second opening 202. Specifically, a support member is disposed at a position of the shield case 1 near the second opening 202, and the suspended end of the fixed shaft 3 is supported by the support member. The first side 20, the second side 22, the third side 21, the fourth side, the fifth side, the first opening 201, and the second opening 202 in the embodiments of the present application are only for distinguishing different sides and different openings, and are named according to habits and preferences without other special meanings.
Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice in the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope of the disclosure being indicated by the following claims.
It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The above-described embodiments of the present application do not limit the scope of the present application.
Claims (6)
1. A multifunctional nerve-muscle experiment recording device with interference prevention, comprising:
the muscle groove and the shielding box are used for placing the muscle groove;
the muscle groove comprises a shell without a top surface, a fixed shaft arranged in the shell along the length direction of the shell and a plurality of electrodes sleeved on the fixed shaft, wherein femur fixing holes are formed in a first side surface and a third side surface of the shell, a first opening for enabling an electrode wire of each electrode to penetrate through is formed in a second side surface of the shell, and a second opening is formed in the position, corresponding to the fixed shaft, of the first side surface;
a plurality of electrode holes are formed in the fourth side face, close to the second side face, of the shielding box, and the electrode holes correspond to the electrodes one to one;
the first side face and the third side face are side faces where the fixing shaft is located, and the second side face is an adjacent side face of the first side face and the third side face.
2. The multifunctional interference-proof neuro-muscular experimental recording device according to claim 1, wherein the electrode holes are disposed at equal intervals on the fourth side.
3. The multifunctional interference-proof neuro-muscular experimental recording device according to claim 1, wherein the cross section of the fixing hole is an elliptical shape.
4. The multifunctional interference-proof neuro-muscular experimental recording device according to claim 1, wherein an end of the fixing shaft away from the second opening is fixedly connected to the housing.
5. The multifunctional nerve-muscle experimental recording device with interference prevention according to claim 1, further comprising:
a support disposed at a location proximate to the second opening.
6. The multifunctional nerve-muscle experiment recording device with interference prevention function according to any one of claims 1 to 5, wherein a wire through hole is further formed on a fifth side of the shielding box near the first side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920686998.3U CN210228139U (en) | 2019-05-14 | 2019-05-14 | Multifunctional nerve-muscle experiment recording device with interference prevention function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920686998.3U CN210228139U (en) | 2019-05-14 | 2019-05-14 | Multifunctional nerve-muscle experiment recording device with interference prevention function |
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| CN210228139U true CN210228139U (en) | 2020-04-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115359705A (en) * | 2022-08-18 | 2022-11-18 | 上海体育学院 | Demonstration system for nerve electrical stimulation |
-
2019
- 2019-05-14 CN CN201920686998.3U patent/CN210228139U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115359705A (en) * | 2022-08-18 | 2022-11-18 | 上海体育学院 | Demonstration system for nerve electrical stimulation |
| CN115359705B (en) * | 2022-08-18 | 2023-09-19 | 上海体育学院 | Presentation system of nerve electrical stimulation |
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