CN211131064U

CN211131064U - Hand-held flexible wireless nerve stimulator with stimulation current regulating switch

Info

Publication number: CN211131064U
Application number: CN201921172536.6U
Authority: CN
Inventors: 史志刚; 李健聪
Original assignee: Jiangsu Baining Yingchuang Medical Technology Co ltd
Current assignee: Jiangsu Baining Yingchuang Medical Technology Co ltd
Priority date: 2019-07-24
Filing date: 2019-07-24
Publication date: 2020-07-31
Anticipated expiration: 2029-07-24

Abstract

A hand-held flexible neurostimulator with an excitation current regulating switch, comprising: the electrode stimulation device comprises a detection needle (1), an insulating layer (3), a handle (4), an electrode connecting wire (5) and an electrode module (6), wherein one end of the detection needle is fixed in the handle, the insulating layer is coated on one end of the detection needle positioned in the handle, one end of the electrode connecting wire is electrically connected with the detection needle, and the other end of the electrode connecting wire is electrically connected with the electrode module; the probe needle is composed of at least one high-conductivity silicon rubber wire. The utility model discloses creatively with electrically conductive silica gel use neural the surveying in, solved flexible and electrically conductive difficult problem, can guarantee good flexibility, can guarantee good electric conductive property again.

Description

Hand-held flexible wireless nerve stimulator with stimulation current regulating switch

Technical Field

The utility model relates to a medical appliance, in particular to a nerve detection appliance, in particular to a hand-held wireless nerve stimulator with a stimulating current adjusting switch, which is used with a nerve detection instrument.

Background

In surgery, nerve stimulating needles are often used. The nerve stimulation needles in the prior art are connected with a nerve monitor through wires, and surgeons use the nerve stimulation needles to locate and identify nerves at risk in a surgical area, so that the nerves are protected from being damaged during the operation.

The prior art has the following defects: 1. when the existing nerve stimulation needle is used, the nerve stimulation needle is connected with a nerve monitor through an electrode wire, and in the operation process, the redundant electrode wire influences the walking or operation of medical personnel. 2. The nerve stimulation current value required by each patient in the operation is different due to individual difference, a surgeon is required to continuously adjust the nerve stimulation current value in the operation, a nerve stimulation current adjusting switch and a current display are not arranged on a handle of the existing nerve stimulation needle, the surgeon is required to dictate and require a nurse to adjust the nerve stimulation current value in a nerve detector, the operation is inconvenient, and even the nurse generates delay or error due to the reaction.

Meanwhile, the probe part of the existing nerve probe is fixed and cannot stretch out and draw back, a surgeon cannot control the use force well in the use process, the nerve or tissue of a patient can be injured when the nerve is detected by too much force, and the reliable contact between the nerve probe and the tissue and the output of stable stimulating current cannot be ensured when the nerve is detected by too little force, so that the judgment of the surgeon on nerve positioning and identification is influenced. 2. For particularly delicate tissues, such as cranial nerves, which are too weak, even the use of a retractable spring-structured probe (e.g., 201810863181.9) still results in nerve damage and irreparable medical accidents, and no good solution is available.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a need link to each other through wire and monitor to current nerve stimulation needle and cause medical personnel to move inconveniently so that the adjustment of stimulating current needs special medical personnel to operate according to operation doctor's password and cause the operation inconvenient or make mistakes to the probe easily damages fragile nervous problem, designs a wireless structure and can be by the flexible wireless nerve stimulator of hand-held type that has current control switch of operation doctor direct adjustment stimulating current. .

The technical scheme of the utility model is that:

a hand-held neurostimulator with an excitation current regulating switch, comprising: a probe 1, an insulating layer 3, a handle 4, an electrode connecting wire 5 and an electrode module 6, wherein one end of the probe 1 is fixed in the handle 4, one end of the probe 1 positioned in the handle is coated with an insulating layer 3, one end of an electrode connecting wire 5 is electrically connected with the probe 1, the other end is electrically connected with an electrode module 6, it is characterized by also comprising a current module and a wireless transmitting module, wherein the current module is used for generating stimulating current and pulse, the wireless transmitting module is used for transmitting the stimulating current and pulse generated by the current module to a wireless receiving module of the nerve monitor in real time, the current module and the wireless transmitting module are arranged in the handle 4 or the electrode module 6, the handle 4 is provided with an adjusting switch for controlling the stimulation current switch and the stimulation current and a display for displaying the stimulation current, and the adjusting switch and the display are both electrically connected with the current module. The probe 1 is composed of at least one high-conductivity silicon rubber wire.

The probe 1 comprises many high-conductive silicone rubber silk of many or multirow in a row, many or the many high-conductive silicone rubber silk of multirow in a row probe 1 and the one end surface cover that the handle 4 links to each other be equipped with insulating layer 3, the other end exposes outside the insulating layer so that the nerve contacts.

The probe 1 is of a bundle structure formed by a plurality of high-conductivity silicone rubber wires, the insulating layer 3 is sleeved on the surface of one end, connected with the handle 4, of the bundle high-conductivity silicone rubber wire probe 1, and the other end of the bundle high-conductivity silicone rubber wire probe is exposed out of the insulating layer so as to facilitate nerve contact.

The diameter of the high-conductivity silicon rubber wire is 0.01-1 mm.

The current module and the wireless transmitting module are of an integral structure and are simultaneously positioned in the handle or the electrode module.

The current module and the wireless transmitting module are of split structures, and one of the current module and the wireless transmitting module is positioned in the handle, and the other one of the current module and the wireless transmitting module is positioned in the electrode module, or both the current module and the wireless transmitting module are positioned in the handle, or both the current module and the wireless transmitting module are positioned in the electrode module.

The electrode module is a reference electrode of the handheld nerve stimulator, and can be of a patch type or a non-needle structure; the electrode module is connected with a human body so as to form an electric loop with the probe.

The insulating layer is a heat-shrinkable sleeve or an insulating coating structure.

The utility model has the advantages that:

1. the utility model discloses a neural stimulator is connected with the nerve monitor through wireless transmission module, has removed lengthy electrode line from, does not influence medical personnel's walking or operation.

2. The utility model discloses a neural stimulator is with current module, wireless transmitting module integration in the stimulator, and the mode through wireless transmission transmits the operating condition information of stimulator for the nerve monitor, has greatly reduced the interference of noise, has improved the accuracy and the stability of data.

3. Because the handle is provided with the nerve stimulation current adjusting switch and the stimulation current display, the surgeon can automatically, quickly, conveniently and accurately adjust the magnitude of the nerve stimulation current value according to the requirements in the operation. Meanwhile, corresponding operation auxiliary personnel can be reduced, and the operation cost is reduced.

4. The probe end of the flexible probe is designed into a structure similar to a brush, when a surgeon uses the flexible probe, when the probe is in contact with fragile nerves or tissues, the wire electrode at the probe end can be stressed and bent (through testing, the wire electrode can deform when being stressed by 0.1N, the damage of the probe to the nerves or the tissues is reduced to the minimum), at the moment, the surgeon holds the probe to sweep in an area to be detected by hand, when the wire electrode is in contact with the nerves, the nerve stimulation causes myoelectric signals, and the monitor catches the myoelectric signals through the sensor, so that the surgeon is helped to locate and identify the nerves.

5. The utility model discloses creatively with electrically conductive silica gel use neural the surveying in, solved flexible and electrically conductive difficult problem, can guarantee good flexibility, can guarantee good electric conductive property again.

6. The utility model discloses simple structure, it is convenient to make. By adjusting the formula of the silica gel, probes with different flexibilities can be manufactured, and the probe can be used for detecting fragile nerves and common nerves.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of a flexible probe according to the present invention;

fig. 3 is a sectional view a-a of fig. 2.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

As shown in figures 1, 2 and 3.

A hand-held neurostimulator with an excitation current regulating switch, comprising: the probe comprises a probe 1, an insulating layer 3, a handle 4, an electrode connecting wire 5, an electrode module 6 and wireless transmitting modules of a power module, wherein as shown in figure 1, one end of the probe 1 is fixed in the handle 4, one end of the probe 1, which is positioned in the handle, is coated with the insulating layer 3, and the insulating layer 3 can be a heat-shrinkable sleeve or an insulating coating structure. The utility model discloses an adaptation fragile nerve stimulation's needs adopt high electrically conductive silicon rubber as the probe, and probe 1's structure can be single high electrically conductive silicon rubber, also can constitute for single row, multirow high electrically conductive silicon rubber array, still can restraint the column structure, is multirow structural style's probe in figure 2, 3, is similar to the brush structure. One end and probe 1 electrical connection of probe electrode connecting wire 5, the other end and 6 electrical connection of electrode module, the utility model discloses a current module is used for producing stimulating current, and current module can adopt conventional circuit to realize, preferentially adopts chargeable call to supply power, and it can adjust output current's size, can adjust output current's pulse again, through the regulation switch who sets up with handle 4 continuous realization electric current size and the regulation of pulse to link to each other with display or the display window of installing on the handle, through liquid crystal or digital display output current's size and pulse value. The utility model discloses a wireless transmitting module is arranged in sending the stimulating current that the current module produced and pulse in real time to the wireless receiving module of nerve monitor, and wireless transmitting module can directly purchase or design by oneself from the market, and its effect is in time launched the current value and the pulse value of stimulating needle during operation, supplies the nerve monitor to use when the flesh electrical signal that the analysis obtained. The current module and the wireless transmitting module can adopt a split structure and also can adopt an integral structure, when the integral structure is adopted, the current module and the wireless transmitting module can be uniformly arranged in a handle 4 shown in figure 1 to form a current module and a wireless transmitting module structural part 2, if the volume is overlarge, the current module and the wireless transmitting module can be arranged in an electrode module 6 and arranged on the body surface of a patient together with the electrode module, if the split structure is adopted, one of the current module and the wireless transmitting module can be arranged in the handle, the other one of the current module and the wireless transmitting module is arranged in the electrode module, or two of the current module and the wireless transmitting module are. The handle 4 is provided with a control stimulating current switch, a size adjusting switch and a display for displaying the size of the stimulating current, and the adjusting switch and the display are electrically connected with the current module. The electrode module 6 is the same as the existing electrode module, is a reference electrode of a handheld nerve stimulator, can be of a patch type or a needle-shaped structure, and is connected with a human body to form an electric loop with a probe. In specific implementation, the circuit module 6 may be integrated with a current module, a wireless transmission module, and the like into a module.

The utility model discloses a theory of operation is:

the utility model is used for the medical field, in the operation, often can use the nerve stimulation needle. In connection with a nerve monitor, a neurostimulation needle of the prior art is used by a surgeon to locate and identify at-risk nerves within a surgical field, thereby protecting the nerves from damage during the procedure. The specific working principle is as follows:

referring to fig. 1, the present invention relates to a hand-held wireless nerve stimulator, which is used in combination with a nerve monitor.

And turning on a power switch of the handheld nerve stimulator, connecting the handheld nerve stimulator to a nerve monitor in a wireless mode, and connecting the electrode module with a human body. The probe is contacted with human tissues to form a current loop, a surgeon holds the probe to sweep in a region to be detected, when the probe touches nerves, nerve stimulation causes myoelectric signals, at the moment, the stimulator starts to work, and working state information is sent to the nerve monitor. The nerve stimulation current value required by each patient in the operation is different, and the surgeon is required to continuously adjust the nerve stimulation current value in the operation.

In the operation, the surgeon can adjust the size of the nerve stimulation current value rapidly, conveniently and accurately by the stimulation current adjusting switch on the handle according to the requirements in the operation, the stimulation current display can display the size of the current stimulation current, and simultaneously the current working state information is transmitted to the nerve monitor by the wireless transmission module.

When a probe of the handheld nerve stimulator touches nerves or nearby tissues, nerve stimulation causes electromyographic signals, a signal acquisition electrode of the nerve monitor for receiving the electromyographic signals captures the electromyographic signals and sends the signals to the nerve monitor, the signals are processed by a system and displayed through a display screen, and the confirmed nerves are alarmed through sound or light to assist a surgeon to confirm the position of the nerves, so that protection is performed.

The utility model discloses the part that does not relate to all is the same with prior art or can adopt prior art to realize.

Claims

1. A hand-held flexible neurostimulator with an excitation current regulating switch, comprising: the nerve monitor comprises a probe (1), an insulating layer (3), a handle (4), an electrode connecting wire (5) and an electrode module (6), wherein one end of the probe (1) is fixed in the handle (4), one end of the probe (1) positioned in the handle is coated with the insulating layer (3), one end of the electrode connecting wire (5) is electrically connected with the probe (1), the other end of the electrode connecting wire is electrically connected with the electrode module (6), the nerve monitor is characterized by further comprising a current module and a wireless transmitting module, the current module is used for generating stimulating current and pulse, the wireless transmitting module is used for transmitting the stimulating current and pulse generated by the current module to a wireless receiving module of the nerve monitor in real time, the current module and the wireless transmitting module are arranged in the handle (4) or the electrode module (6), an adjusting switch for controlling the stimulating current and the size and a display for displaying the stimulating current size are arranged, the adjusting switch and the display are electrically connected with the current module; the probe (1) is composed of at least one high-conductivity silicon rubber wire.

2. The hand-held flexible wireless nerve stimulator with the stimulation current regulation switch as claimed in claim 1, wherein the probe (1) is composed of a plurality of rows or a plurality of rows of highly conductive silicone rubber wires, an insulating layer (3) is sleeved on the surface of one end of the plurality of rows or the plurality of rows of highly conductive silicone rubber wire probes (1) connected with the handle (4), and the other end of the plurality of rows or the plurality of rows of highly conductive silicone rubber wire probes is exposed out of the insulating layer so as to facilitate the contact of nerves.

3. The hand-held flexible wireless nerve stimulator with the stimulation current regulation switch as claimed in claim 1, wherein the probe (1) is of a bundle structure consisting of a plurality of highly conductive silicone rubber wires, the surface of one end of the bundle highly conductive silicone rubber wire probe (1) connected with the handle (4) is sleeved with the insulating layer (3), and the other end of the bundle highly conductive silicone rubber wire probe is exposed out of the insulating layer so as to facilitate the contact of nerves.

4. The hand-held flexible wireless nerve stimulator with a stimulation current adjustment switch as claimed in claim 1, 2 or 3, wherein said highly conductive silicone rubber wire has a diameter of 0.01-1 mm.

5. The handheld flexible neurostimulator with stimulation current adjustment switch of claim 1, wherein: the current module and the wireless transmitting module are of an integral structure and are simultaneously positioned in the handle or the electrode module.

6. The handheld flexible neurostimulator with stimulation current adjustment switch of claim 1, wherein: the current module and the wireless transmitting module are of split structures, and one of the current module and the wireless transmitting module is positioned in the handle, and the other one of the current module and the wireless transmitting module is positioned in the electrode module, or both the current module and the wireless transmitting module are positioned in the handle, or both the current module and the wireless transmitting module are positioned in the electrode module.

7. The handheld flexible neurostimulator with stimulation current adjustment switch of claim 1, wherein: the electrode module is a reference electrode of the handheld nerve stimulator, and can be of a patch type or a needle-shaped structure; the electrode module is connected with a human body so as to form an electric loop with the probe.

8. The handheld flexible neurostimulator with stimulation current adjustment switch of claim 1, wherein: the insulating layer is a heat-shrinkable sleeve or an insulating coating structure.