WO2020155462A1

WO2020155462A1 - Suction electrode system employing negative pressure

Info

Publication number: WO2020155462A1
Application number: PCT/CN2019/086215
Authority: WO
Inventors: 朱胜清; 谢春虎; 刘昌�
Original assignee: 深圳讯丰通医疗股份有限公司
Priority date: 2019-01-29
Filing date: 2019-05-09
Publication date: 2020-08-06
Also published as: CN109621196A; CN109621196B

Abstract

The invention provides a suction electrode system employing negative pressure, comprising a main device, an electrode wire, and a negative-pressure electrode cup. The main device comprises a housing, a control module located in the housing, a water tank, an air pump valve, and a male terminal connector disposed at the housing and connected to the air pump valve by means of an air pipe. The electrode wire is sealingly connected to a first male terminal connector of the main device and a second male terminal connector of the negative-pressure electrode cup, and is capable of transmitting a myoelectric stimulation signal and a shielding signal. The negative-pressure electrode cup controls air suction by means of the control module of the main device. The present invention integrates the air pipe and the wire so as to reduce the space occupied by a female terminal connector, thereby reducing costs and beautifying appearance. The use of aluminum foil paper also improves shielding effects of the invention.

Description

Negative pressure suction electrode system

Technical field

The invention relates to the field of medical equipment, and more specifically to a negative pressure suction electrode system.

Background technique

The existing negative pressure suction electrode system has two situations: one is that the negative pressure suction device and the electrical stimulation device are separated, that is to say, there are two devices, the negative pressure suction device only provides negative pressure, and the electrical stimulation output needs It is equipped with another electrical stimulation device; the other is capable of both negative pressure suction and electrical stimulation; and neither of these two functions has the shielding function that the signal must have in the process of transmission. Part of the functional requirements that require signal shielding to ensure the quality of treatment is not complete.

For example, the BTL-Vac II negative pressure suction physiotherapy instrument consists of the main unit, built-in water container, power adapter, power cord and BTL-5000Series connection line, BTL-4000Smart/Premium connection line, suction electrode connection line, electrode sheet connection line , 60mm suction electrode (including sponge) (optional 30mm and 90mm suction electrode). It is an instrument that connects the suction electrode to the patient's body through vacuum pressure for physiotherapy applications, and is an instrument that promotes metabolism and improves blood circulation through physical massage of body tissues.

In practice, the terminal sockets are basically realized by pipe separation, that is, the trachea channel is one channel, the signal line is several channels, and the relationship between the two is parallel. The cost is high, the space is large, and the internal structure is complicated. Difficulty in manufacturing; regarding electrode wires, there are two ways currently on the market. The first is to implant a signal wire in the middle of the tracheal channel; the second is that the trachea and the signal wire are separated. The first type will limit the size of the gas path pipeline due to the gas path mixing, and there are defects in the connection of the terminals and the gas path sealing, which increases the complexity of the terminal structure; the second type occupies a larger space.

Summary of the invention

In view of the deficiencies in the prior art, the present invention provides a negative pressure suction electrode system, including a host, an electrode wire and a negative pressure electrode cup. The host includes a casing, a control module located in the casing, a water tank, and an air pump valve. And a terminal male seat connected to the air valve of the air pump through the trachea provided on the casing; the electrode wire can be hermetically connected with the first terminal male seat of the host and the second terminal male seat of the negative pressure electrode cup, and can transmit myoelectric stimulation Signal and shielding signal; the negative pressure electrode cup controls the air suction through the control module of the host.

Further, the first terminal male seat is connected by a hollow EMG signal transmission terminal, an insulating tube, and a shield terminal. The shield wire nut is arranged on the shield terminal, and the EMG signal wire nut is arranged on the shield through the EMG signal transmission terminal. Terminal end.

Further, the control module is connected to the first terminal male seat, the control module can send out myoelectric stimulation signal, and transmit it through the electromyography signal transmission terminal; the control module can send the shielding signal, and transmit it through the shielding terminal, the control module can control the negative pressure Air pressure in the electrode cup.

Further, the electrode wire has air holes, and the periphery of the air holes is sequentially wrapped with an electromyographic signal transmission line with an insulating cover, a shielding wire wrapped with aluminum foil paper on the outer ring, and a PVC cover; the B end of the electrode wire connected to the first terminal male seat includes the connecting muscle The signal wire terminal cover of the electrical signal transmission line, the shield wire terminal cover connected to the shield wire, the signal wire crown spring, the insulating tube and the shield wire crown spring, the signal wire crown spring is set inside the signal wire terminal cover, and the shield wire crown spring is set on the shield Inside the wire terminal cover, the signal wire terminal cover and the shield wire terminal cover are connected to the two ends of the insulating cylinder; the terminal A connecting the electrode wire and the second terminal male seat includes the tracheal signal wire terminal connected to the electromyography signal transmission line.

Further, the shield wire of the electrode wire extends to one end of the tracheal signal wire terminal, but is not connected to the tracheal signal wire terminal, that is, it is in a disconnected state with the tracheal signal wire terminal.

Furthermore, the ends A and B are covered with silicone rubber covers.

Further, the negative pressure electrode cup includes a hollow cup cover with a through hole on the side, a conductive component, and a second terminal male seat connected to the conductive component through the through hole.

The second terminal male seat is hollow and can communicate with the air hole of the conductive component to form an air channel.

Further, a fulcrum is provided at the bottom of the inner side of the cup cover, and the compressed sponge can be placed.

Further, the air valve of the air pump is composed of a shielding box, sound insulation cotton arranged around the inside of the shielding box, an air pump and an air valve connected to each other, and a positioning plate for fixing the air pump and the air valve.

Further, the air pump is connected to the host control module for extracting air, and the air valve is connected to the water tank for delivering the extracted air to the water tank.

Further, the water tank is composed of a water tank main body, a buoy, a face cover, a tracheal interface and a Hall sensor. The trachea interface is connected to a gas valve. The Hall sensor is used to detect the water level. The buoy is composed of a buoyancy box, a telescopic tube, a fixed screw and a cylindrical magnet.

The beneficial effects of the present invention are: 1. Integrate the trachea and the circuit into one, reduce the space occupied by the female seat, reduce the cost, and beautify the appearance; 2. The present invention only provides ventilation for the existing negative pressure suction electrode system The function or the signal output function of the ventilation belt can not form the disadvantage of effective protection against external signal interference; the present invention effectively shields and protects the output electrode signal channel, so that electromyography can form a signal in many signal interference areas. The safe and effective treatment environment enables the treatment signals sent by the host to be executed completely, accurately and effectively.

Description of the drawings

Figure 1 is a schematic diagram of the overall structure of an embodiment of the present invention;

Figure 2 is a schematic diagram of a host structure according to an embodiment of the present invention;

3 is a schematic diagram of the structure of a terminal male seat with a shielded interface on the host side according to an embodiment of the present invention;

4 is an exploded view of a terminal male seat with a shielded interface according to an embodiment of the present invention;

FIG. 5 is a schematic diagram of joining a terminal male seat with a shielded interface and a housing according to an embodiment of the present invention;

6 is a schematic diagram of the structure of an electrode wire with shielding function according to an embodiment of the present invention;

7 is a schematic cross-sectional view of an electrode wire with shielding function according to an embodiment of the present invention;

Fig. 8 is an exploded view of the female end B of the electrode wire according to an embodiment of the present invention;

Fig. 9 is an exploded view of the female end of the electrode wire A according to an embodiment of the present invention;

Figure 10 is a schematic diagram of a terminal combination with a shielded interface according to an embodiment of the present invention;

Figure 11 is a schematic diagram of a gas circuit structure according to an embodiment of the present invention;

Figure 12 is a schematic diagram of a negative pressure electrode cup module according to an embodiment of the present invention;

Figure 13 is a schematic diagram of an air pump air valve module with shielding function according to an embodiment of the present invention;

Fig. 14 is an exploded view of a water tank module according to an embodiment of the present invention.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

As shown in FIG. 1, the negative pressure suction electrode system of the present invention is composed of a host 1, an electrode wire 2 and a negative pressure electrode cup 3 connected in sequence.

As shown in Figure 2, the host 1 includes a casing (upper cover 1.1 and lower cover 1.6), a control module 1.5 located in the casing, a water tank 1.3, an air pump valve 1.2, and an air pump valve 1.2 set on the casing. The first terminal male seat of the air pipe connection 1.4.

The negative pressure electrode cup 3 is connected to the host 1 through the electrode wire 2, and the suction function is realized through the control module 1.5 of the host. The air in the negative pressure electrode cup 3 and the moisture in the air can be connected to the air hole in the first terminal male seat 1.4 on the host 1 through the hollow electrode wire 2, and then transmitted to the water tank 1.3 through the air pipe, air pump air valve, and air pressure sensor ，Release the air in the water tank 1.3 and absorb the moisture in the air to complete the vacuum suction process; when the pressure needs to be charged, open the valve through the air pump air valve module 1.2 with shielding function in the host (such as using a solenoid valve) to release the air, and the air passes through the air pipe , The first terminal male seat 1.4, the electrode wire 2 enters the negative pressure electrode cup 3 to complete the charging.

As shown in Figures 3 and 4, the first terminal male seat consists of an EMG signal transmission terminal 1.51, an insulating tube 1.52, a shielding terminal 1.53, a shielding wire nut 1.54 (for example, the model is M7), and an EMG signal cable nut 1.55 (for example, the model It is composed of M3). Among them, all the terminal centers are through holes, the EMG signal transmission terminal 1.51, the insulating tube 1.52, and the shield terminal 1.53 are sleeved, the shield wire nut 1.54 is set on the shield terminal 1.53, and the EMG signal wire nut 1.55 passes through the EMG signal. The transmission terminal 1.51 is arranged at the end of the shield wire nut 1.54. Each terminal is preferably cylindrical. During the working process of the terminal male seat, the nut is tightened and the air circuit is sealed, as shown in Figure 10.

The specific assembly process of the first terminal male seat is as follows: align the opening and undercut part of the insulating barrel 1.52 ring with the shielded wire terminal 1.53 away from the threaded end, press the notch, force it into the ring inner hole, and place the insulating barrel Press 1.52 until it cannot be pressed, and then check whether the buckle of the slotted end has been buckled to the edge of the ring, and try to pull the 1.52 pressing end of the insulating cylinder to check whether the buckle is firm; align the 1.51 threaded end of the EMG signal transmission terminal Quasi-pre-assembled insulating barrel assembly, away from the ring opening of the threaded end, press firmly to form a new terminal male assembly, put this assembly into the injection molding machine, and form the shell of the terminal male assembly, with the double threaded end exposed , The outer contour of the male seat away from the threaded end matches with the female terminal seat.

As shown in FIG. 5, it is a schematic diagram of the connection between the terminal male seat and the housing. The terminal male seat and the housing can also be designed to comply with relevant legal requirements (for example, the disconnection distance that meets the electrical requirements).

The control module 1.5 is connected to the first terminal male seat 1.4. The control module can send out myoelectric stimulation signal, and then transmit the electrical stimulation signal to the negative pressure electrode cup 3 through the signal terminal of the first terminal male 1.4 and the electrode wire 2, thereby performing physical massage or stimulation on the human body; the control module 1.5 can also Send shielding signal, through the shielding terminal of the first terminal male seat 1.4, the electrode line 2 to protect the EMG signal from external signal interference during the conduction process. At the same time, it also shields the spread of EMG signal to avoid interference with other equipment .

As shown in FIG. 6, the B end of the electrode wire 2 is connected to the first terminal male 1.4 on the casing, and the A end is connected to the second terminal male of the negative voltage electrode cup 3.

As shown in Figure 7, it is a schematic cross-sectional view of the electrode wire. From the inside to the outside, the trachea, the myoelectric signal transmission line (hereinafter also referred to as the signal line) 2.22, the shielding line 2.23, and the PVC outer cover 2.24 are in sequence. In one embodiment, the outer ring of the EMG signal transmission line is an insulating jacket. There are two mechanisms for shielding wires: one is a braided type, which is simply to wrap the entire EMG signal transmission line 2.22 layer by layer with conductive conductors on the outer surface of the EMG signal transmission line 2.22; Winding type, this method is to completely wrap the electromyographic signal line 2.22 with the conductive conductor in a spirally progressive manner; after the shielding wire is wound, the outer ring of the shielding wire needs to be wrapped with aluminum foil to further isolate the signal to form a complete Isolated internal signal transmission space,

As shown in Figure 8, the B end is covered by silicone rubber 2.31, sealing ring 2.32, signal wire and shielding wire 2.33, signal wire terminal cover 2.34, signal wire crown spring 2.35, insulation barrel 2.36, shielding wire terminal cover 2.37, shielding wire crown Spring 2.38 is connected in sequence. Specifically, press the crown springs on the signal wire terminal cover 2.34 and the shield wire terminal cover 2.37 respectively, with the head and tail flush, and then connect the two to the two ends of the insulation barrel 2.36 to ensure that the signal wire terminal cover and the shield wire terminal cover are not mutually exclusive. Connected; peel off the PVC jacket at both ends of the electrode wire with shielding function, tear the aluminum foil paper to the peeling surface, and separate the shielding wire 2.23 and the EMG signal wire 2.22 into two wires; one end of the shielding wire 2.23 is directly cut off, Insulation is used to connect to end A; the other end retains the signal wire 2.22 and shield wire 2.23, and the signal wire terminal cover 2.34 and signal wire 2.22 are welded firmly; the shield wire terminal cover 2.37 and the electrode wire shield wire are welded firmly; the air pipe and the signal The wire terminal cover is forcibly fastened, and after the air tightness is qualified, set it aside; place the above semi-finished product in an injection molding machine for injection molding, and set it aside; set the sealing ring 2.32 in the injection molding semi-finished product to form a complete B end.

As shown in Figure 9, the electrode wire A end is composed of a silicone jacket and a tracheal signal wire terminal. The electromyographic signal wire of the electrode wire is connected to the tracheal signal terminal 2.12; the shield wire of the electrode wire extends to the tracheal signal wire terminal D The port is not connected and keep the circuit open; sleeve the inner hole of the trachea on the outer diameter of the D end to ensure good air tightness, check the tracheal and A-end stoma passages to ensure that the tracheal passage is unobstructed; check the electrical performance to ensure good connectivity State; when assembling, you can first put the injection molded silicone jacket 2.11 into the electrode wire; cover the silicone jacket 2.11 from the D end to the C end, and glue it when in place, so as to form a complete line with the assembled end B The electrode line module with shielding function.

As shown in Figure 10, the electrode wire B end can be hermetically connected to the first terminal male 1.4.

As shown in Figure 11, inserting the B end into the host and inserting the A end into the negative pressure electrode cup 3 can form a complete circuit with myoelectric signal output, air path, and shielding function. Area C of the exposed part of the entire negative pressure system is to seal the electrode wire B end with the first terminal male seat 1.4 of the host, D area is to seal the electrode wire A end to the negative pressure electrode cup 3, and the E area is for the suction of the negative pressure electrode cup. Complete the complete sealing of the entire system on the surface of the human body.

As shown in Figure 12, the negative pressure electrode cup has a hollow cup cover 3.1 with a first through hole on the top, and the screw passes through the through hole to connect to the conductive cylinder of the conductive component 3.3. The bottom end of the conductive cylinder is connected with the conductive disc, for example, screwed or welded. The side surface of the cup cover 3.1 has a second through hole, and the second terminal male seat 3.2 is made of conductive metal material (connected to the electrode wire A end), hollow (that is, has a gas path through hole), and is connected to the conductive cylinder through the second through hole. An air path through hole is opened inside the conductive cylinder. After the second terminal male seat is connected to the conductive cylinder, the air path through holes of the two are connected to form an air channel from the negative pressure electrode cup to the electrode wire to the air pump air valve of the host. A fulcrum is provided on the inner bottom of the negative pressure electrode cup cover 3.1 for placing the compressed sponge 3.4. When the electromyography function is not used, the compressed sponge 3.4 can be placed separately; if electromyographic treatment is required, soak the compressed sponge 3.4 in a suitable clean water source, and place the soaked sponge inside the negative pressure electrode cup cover Four fulcrums.

The electrode wire A end is connected to the second terminal male seat of the negative pressure cup, and the second terminal male seat is tightly matched with the tracheal signal line terminal of the electrode wire A end, so that the electromechanical signal can be transmitted to the conductive component of the negative pressure cup. At this time, the silica gel in the electrode wire is sealed by the terminal male hardware round tube in the negative pressure cup, forming an electromyographic signal channel and a sealed tracheal channel.

The EMG signal will be conducted through the EMG signal line in the electrode line 2 to the second terminal male seat 3.2 and the conductive component 3.3; and the shielded signal line will be cut off in the D area in FIG. 9.

In terms of shielding signal interference, the present invention sends out the shielding signal source through the host control module 1.5, and shields the signal line and the shielded signal female terminal (ie, the signal line B end) in the process of electromyographic signal transmission through the shielding line to avoid muscles. The electrical signal is interfered by external signals during the conduction process; at the same time, it also shields the spread of myoelectric signal to avoid interference with other equipment. It is transmitted to the electrode line with shielding function through the terminal male socket with shielding interface and the terminal female socket with shielding interface on the host side; the signal interference generated during the whole working process is mainly concentrated in the electrode line with shielding function in Figure 12. The invention case strengthens the shielding function of the electrode line, and at the same time introduces the shielding signal source of the host into the interface end of the electrode line. The structure is different from other similar products, which reduces the space occupied by the product, reduces the cost, and beautifies the appearance.

During treatment, the control module sends the EMG signal to the first terminal male seat 1.4 with shielded interface, and transmits it to the negative pressure electrode cup 3 via the electrode wire module, and passes the EMG signal terminal 3.2, The conductive sheet 3.3 and the water-absorbing sponge 3.4 act on the surface of the patient's skin by electromyographic signals to form treatment.

As shown in Figure 13, the air valve of the air pump is composed of a shielding box (lower shell 1.21 and upper cover 1.26), sound insulation cotton 1.22, air pump 1.23, air valve 1.24 and positioning plate 1.25 arranged around the inside of the shielding box. The positioning plate is used for fixing Air pump and air valve. The air pump is connected to the host control module for extracting air, and the air valve is connected to the water tank and is used to deliver the extracted air to the water tank.

As shown in Figure 14, the water tank module is composed of a water tank body 1.31, a buoy box 1.32, a cylindrical magnet 1.33, a Hall sensor module 1.34, a connecting rod 1.35, a water tank cover 1.36, and a tracheal interface 1.37. Hall sensors are used to detect the water level.

In the process of treatment, an adsorption action is required as an auxiliary action in the treatment process. Connect the gas pipeline in the negative pressure cup to the gas pipeline of the electrode wire, and connect to the air pipe of the host through the terminal with shielding function. One end of the air pipe is connected to the air pressure sensor of the host control module, and the air pump is connected to the air valve. The valve is connected to deliver air to the water tank, forming a complete vacuum circuit.

The air pump is started, air is passed through the trachea and the electrode wire, and the air in the negative pressure cup is evacuated, so that the internal space of the negative pressure cup adsorbed on the skin surface forms a vacuum state, and the connection between the electrode and the skin surface layer is realized.

The air pressure in the negative pressure cup is controlled by the air pressure sensor in the host control module. The air pressure in the negative pressure cup is adjusted by the air pump and the air valve. The water vapor generated by the negative pressure cup when sucking air is transmitted to the water tank through the air pipe. The water level in the water tank is transmitted through the buoy and the connecting rod, and the signal source is sent through the magnet. The hall sensor senses the magnet signal to confirm the water level and send out a warning. sound.

In the transmission process of the electromyography signal, the interference of the external signal may cause the disorder of the electromyography signal, thereby affecting the treatment effect. The present invention adds a shielding signal layer in the electrode line 2. The three-strand electrode wires constitute a module. The three-strand electrode wires can be used as an independent medical component, and can work independently. Both the electromyographic signal line and the shielded signal line are bridged by the male and female terminals with shielded wires, and the control module sends out the muscles. Electrical instructions and shielding signal instructions are finally transmitted to the treatment area completely and correctly to form the treatment process.

Aiming at the disadvantage that the existing negative pressure suction electrode system only provides a ventilation function or a ventilation band signal output function, and cannot form an effective protection against external signal interference, the output electrode signal channel is effectively shielded and protected throughout the entire process, so that the electromyography Treatment can form a safe and effective treatment environment in many signal interference signal areas, so that the treatment signals sent by the host can be executed completely, accurately and effectively.

It should be noted that the specific implementation is only an explanation and description of the technical solution of the present invention, and should not be construed as a limitation on the technical solution of the present invention. Any partial change using the technical solution of the present invention should still fall into Within the protection scope of the present invention.

Claims

A negative pressure suction electrode system, including a host, an electrode wire and a negative pressure electrode cup, wherein,

The host includes a casing, a control module located in the casing, a water tank, an air pump air valve, and a terminal male seat arranged on the casing and connected to the air pump air valve through a gas pipe;

The electrode wire can be hermetically connected with the first terminal male seat of the host and the second terminal male seat of the negative pressure electrode cup, and can transmit myoelectric stimulation signals and shielding signals;

The negative pressure electrode cup is used to control the air suction through the control module of the host.
The negative pressure suction electrode system according to claim 1, wherein the first terminal male seat is connected by a hollow myoelectric signal transmission terminal, an insulating tube, and a shield terminal, and the shield wire nut is arranged on the shield terminal. Above, the EMG signal wire nut passes through the EMG signal transmission terminal and is set at the end of the shield terminal.
The negative pressure suction electrode system according to claim 2, wherein the control module is connected to the first terminal male seat, and the control module can send out electromyographic stimulation signals and shielding signals, and pass through the muscles respectively. The electric signal transmission terminal and the shielding terminal are transmitted, and the control module can control the air pressure in the negative pressure electrode cup.
The negative pressure suction electrode system according to claim 2 or 3, wherein the trachea periphery of the electrode wire wraps the myoelectric signal transmission line, the shielding wire and the PVC jacket in sequence; it is connected to the first terminal male seat The B end of the electrode wire includes a signal wire terminal cover connected to the electromyographic signal transmission line, a shield wire terminal cover connected to the shield wire, a signal wire crown spring, an insulating cylinder and a shield wire crown spring, the signal wire crown spring and the shield wire crown spring Are respectively arranged inside the signal wire terminal cover and the shield wire terminal cover, the signal wire terminal cover and the shield wire terminal cover are connected at both ends of the insulating cylinder; the electrode wire is connected to the second terminal male seat A end Including the tracheal signal wire terminal and the silicone coating covering the tracheal signal wire terminal.
The negative pressure suction electrode system according to claim 4, wherein the shield wire of the electrode wire extends to one end of the tracheal signal wire terminal, but is not connected to the tracheal signal wire terminal.
The negative pressure suction electrode system according to claim 4, characterized in that the outer part of the EMG signal transmission line is wrapped with an insulating cover, and the outer part of the shielding line is wrapped with aluminum foil.
The negative pressure suction electrode system according to claim 1, wherein the negative pressure electrode cup comprises a hollow cup cover with a through hole on the side, a conductive component, and a conductive component connected to the conductive component through the through hole. The second terminal male seat.
7. The negative pressure suction electrode system according to claim 7, wherein the second terminal male seat is hollow and can communicate with the air hole of the conductive component.
The negative pressure suction electrode system according to claim 7, characterized in that a fulcrum is provided at the bottom of the inner side of the cup cover, and a sponge can be placed.
The negative pressure suction electrode system according to claim 1, wherein the air pump air valve consists of a shielding box, sound insulation cotton arranged around the inside of the shielding box, an air pump and an air valve connected to each other, and a fixed air pump, The air valve is composed of a positioning plate, the air pump is connected to the host control module for drawing air, and the air valve is connected to the water tank and is used to deliver the extracted air to the water tank.
The negative pressure suction electrode system according to claim 10, wherein the water tank is composed of a water tank body, a buoy, a face cover, a tracheal interface and a Hall sensor, and the tracheal interface is connected to the air valve, and Hall sensors are used to detect the water level.
The buoy system according to claim 11, wherein the buoy is composed of a buoyancy box, a telescopic tube, a fixing screw, and a cylindrical magnet.