CN217119142U - Defibrillation coupling agent deployment device and wearable automatic external defibrillator - Google Patents

Abstract

The utility model provides an automatic external defibrillator of couplant deployment device and wearing formula defibrillates, including pressure generation subassembly, pressure conduction subassembly and treatment electrode, treatment electrode is including accomodating the storehouse body, it is equipped with electrode subassembly to accomodate on the storehouse body, electrode subassembly and accomodate and form between the storehouse body and accomodate the chamber, it is equipped with the couplant storage bag of storage couplant to accomodate the intracavity, push pedal and pressure bag are arranged to one side of couplant storage bag electrode subassembly dorsad, the gas that pressure generation subassembly produced conducts to the pressure bag through pressure conduction subassembly and aerifys, promote the couplant storage bag through the push pedal and be close to electrode subassembly, break the extrusion of couplant storage bag, make the couplant of defibrillating spill over by the overflow and glue through-hole. The automatic extrusion of the couplant storage bag is realized through the gas pressure, the overflow speed and the overflow amount of the defibrillation couplant are effectively controlled, the smearing of the defibrillation couplant is quickly and uniformly realized, the resistance of the contact part of the electrode and the skin in the defibrillation process is reduced, the defibrillation treatment effect is improved, the skin is effectively prevented from being burnt, and the treatment time is shortened.

Description

Defibrillation coupling agent deployment device and wearable automatic external defibrillator

Technical Field

The utility model relates to a defibrillator technical field especially relates to an automatic external defibrillator of couplant deployment device and wearing formula defibrillates.

Background

The wearable automatic external defibrillator (WCD) can be effectively used for risk prevention and ventricular fibrillation treatment of clinical short-term sudden cardiac death high-risk patients, and has the advantages of simple and convenient wearing, flexible use cycle, repeated use, reliable defibrillation effect and the like. The WCD has monitoring and defibrillation functions, ensures the life safety of a patient with potential sudden cardiac death, can ensure that medical care can better follow up the patient, and provides rescue support when necessary.

The principle of defibrillation is to use high voltage discharge to shock the heart, so that the heart recovers to a normal beating state. Because the resistance of the direct contact part of the dry skin and the electrode is relatively large, when the electrode discharges at high voltage, electric arcs are easily generated at the contact part or local high temperature is easily caused, so that the skin of a patient is burnt, and the specified discharge current cannot be reached, the defibrillation energy is lost, and the treatment effect is reduced.

In order to shorten the treatment time occupied by the application of the defibrillation coupling agent, the prior art improves the treatment electrode, and the defibrillation coupling agent is directly arranged inside the treatment electrode, such as: the invention patent application with publication number CN109718472A discloses an electrode handle device of a defibrillator, which is used for automatically coating a defibrillation coupling agent by applying pressure on a handle by a rescuer and then extruding out conductive paste in a conductive paste storage pad inside an electrode. However, the discharge speed and the discharge amount of the conductive paste in this device depend on the magnitude of the force applied by the treating person, and are not easily controlled by a person without experience of treatment; in addition, the device is only suitable for equipment for manually operating the defibrillation electrodes and is not suitable for the use of a wearable automatic external defibrillator, so that the device has great limitations on personnel requirements and application range.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: in order to overcome the deficiencies in the prior art, the utility model provides a couplant deployment device and the automatic external defibrillator of wearing formula defibrillate.

The utility model provides a technical scheme that its technical problem will adopt is: a defibrillation couplant deployment device comprising a pressure generating assembly, a pressure conducting assembly, and a therapy electrode, wherein the pressure generating assembly is configured to generate a gas; the pressure conduction assembly is used for transmitting gas; the treatment electrode is including accomodating the storehouse body, the accomodate the storehouse body and be one end open-ended hollow structure, be equipped with electrode subassembly on the opening of the accomodate storehouse body, electrode subassembly and accomodate and form between the storehouse body and accomodate the chamber, it has a plurality of overflow glue through-holes to distribute on the electrode subassembly, is equipped with couplant storage bag with the intracavity of accomodating of the relative one side of electrode subassembly, the storage has the couplant of defibrillating in the couplant storage bag, push pedal and the pressure bag of arranging are stacked gradually to one side of couplant storage bag dorsad electrode subassembly, the pressure bag passes through pressure conduction subassembly and pressure generation subassembly intercommunication.

When the device is used, the pressure generating assembly generates gas, the gas is conducted to the pressure bag through the pressure conducting assembly, the pressure bag is inflated, the pressure bag pushes the couplant storage bag to be close to the electrode assembly through the push plate, the push plate and the electrode assembly extrude the couplant storage bag to break, and the defibrillation couplant in the couplant storage bag overflows from the glue overflowing through hole of the electrode assembly.

The gas generated by the pressure generating assembly is adopted to provide extrusion power, the overflowing of the defibrillation couplant is automatically controlled, the control of the pressure applied to the couplant storage bag is realized by controlling the inflation speed and the inflation quantity of the pressure bag, and the overflowing speed and the overflowing quantity of the defibrillation couplant are effectively controlled.

Specifically, the electrode assembly comprises a glue overflow plate and a flexible pole piece, the flexible pole piece is bonded on one side, opposite to the containing cavity, of the glue overflow plate, and the glue overflow through hole penetrates through the glue overflow plate and the flexible pole piece. The glue overflow plate has a supporting function on the flexible pole piece, and the flexible pole piece is connected with the therapy host through a transmission cable and used for transmitting defibrillation current.

When the couplant storage bag is squeezed and broken, the broken position of the couplant storage bag is random, so that the overflowing speed of the glue overflowing through hole close to the broken position is high, the overflowing amount is high, the overflowing speed of the glue overflowing through hole far away from the broken position is low, the overflowing amount is low, and the distribution of the defibrillation couplant is uneven.

Furthermore, in order to facilitate the replacement of the couplant storage bag and the cleaning of the treatment electrode, the electrode assembly is detachably connected to the storage bin body. The detachable structure can be realized in various ways, such as: snap connection, screw connection, etc., the utility model discloses a but not limited to above-mentioned mode.

In order to reduce the space occupied by the pressure bag and minimize the volume and thickness of the containing cabin body, the pressure bag is stored in the containing cavity in a pre-compression folding structure. When gas enters the pressure bag, the inflation volume of the pressure bag is increased, and the push plate is pushed to move towards one side of the electrode assembly through the deformation of the pressure bag.

Specifically, the pressure generating assembly comprises a pressure storage and a pressure trigger, the pressure trigger is arranged on the pressure storage and is connected with the pressure storage in a sealing mode, and an air outlet communicated with the pressure storage is formed in the pressure trigger. The pressure storage is used for storing high-pressure gas, a portable safe gas cylinder (such as carbon dioxide, nitrogen, argon, helium and the like) can be adopted, an aerosol can and the like are pre-filled, the pressure trigger is used for opening the pressure storage, and an electromagnetic valve, a firing pin and the like can be adopted. The pressure generating assembly may be a monolithic generator, such as a solid generator, filled with a chemical substance and activated by a generating device to produce a gas by a controlled chemical reaction.

Further, in order to realize the transmission of the gas and improve the safety, the pressure conduction assembly comprises a pressure conduit and a safety valve, one end of the pressure conduit is connected to the gas outlet, the other end of the pressure conduit is connected to a pressure bag inside the treatment electrode and used for guiding the gas in the pressure storage device into the pressure bag, and the safety valve is arranged on the pressure conduit. The safety valve can prevent the system overpressure caused by channel blockage, and when the pressure in the system exceeds the limit value of the safety valve, the safety valve can be automatically opened to release the pressure.

The pressure guide pipe passing through the safety valve is connected to the air inlet end of the pressure divider, and the air outlet ends of the pressure divider are correspondingly connected to the pressure bags in different treatment electrodes one by one through the pressure guide pipes.

When a plurality of treatment electrodes are provided, the pressure divider is designed to enable the gas pressure to be evenly distributed to the interior of each treatment electrode, and the gas after partial pressure flows through the pressure conduit and enters the pressure bag arranged in the containing cavity through the inlet of the pressure bag.

A wearable automatic external defibrillator comprises the defibrillation couplant deployment device, a restraint suit, a treatment host, a hub, a coupler and at least two treatment electrodes, wherein the restraint suit is provided with at least two restraint bags for containing the treatment electrodes, a transmission cable led out from each treatment electrode is connected to the hub, and the transmission cable is connected to the treatment host after being integrated by the hub; the treatment host computer is equipped with the coupler on with the link of transmission cable, just the coupler can be dismantled with the treatment host computer and be connected.

Since the therapy electrodes are intended to act close to the heart, it is preferred that the containment bags are located one on the back near the heart and one below the left chest rib.

Preferably, one or more of the treatment host, hub, pressure generator, safety valve and pressure divider are deployed on a restraining suit.

The utility model has the advantages that:

(1) the automatic extrusion of the couplant storage bag is realized through the gas pressure, the overflow speed and the overflow amount of the defibrillation couplant are effectively controlled, the smearing of the defibrillation couplant is quickly and uniformly realized, the resistance of the contact part of the electrode and the skin in the defibrillation process is reduced, the defibrillation treatment effect is improved, the skin is effectively prevented from being burnt, and the treatment time is shortened.

(2) The defibrillation spraying can be completed without continuous power supply after the pressure gas is released through single signal triggering, the power consumption of equipment is saved, the control is simple, and the reliability is higher.

Drawings

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

Fig. 1 is a schematic structural diagram of the defibrillation couplant deployment device of the present invention.

Figure 2 is a schematic diagram of the structure of a defibrillation electrode.

Fig. 3 is a schematic cross-sectional view of C-C in fig. 2.

Fig. 4 is a schematic view of the structure of a wearable automatic external defibrillator.

Fig. 5 is a schematic view of the structure of a wearable automatic external defibrillator.

In the figure: 1. the pressure generating assembly comprises 1-1 parts of pressure generating assembly, 1-2 parts of pressure storage, 2 parts of pressure trigger, 2 parts of pressure conducting assembly, 2-1 parts of pressure guide pipe, 2-2 parts of safety valve, 2-3 parts of pressure divider, 2-4 parts of pressure bag, 2-5 parts of pressure bag inlet, 3-1 parts of containing cabin body, 3-2 parts of push plate, 3-3 parts of containing cavity and 4 parts of pressure conducting assembly, the medical instrument comprises an electrode assembly, 4-1 parts of an adhesive overflow plate, 4-2 parts of a flexible pole piece, 4-3 parts of a transmission cable, 4-4 parts of a spine, 4-5 parts of an adhesive overflow through hole, 5-1 parts of a coupling agent storage bag, 5-2 parts of a defibrillation coupling agent, 6 parts of a constraint clothing, 6-1 parts of a constraint bag, 7-1 parts of a treatment host, 7-2 parts of a concentrator, 7-3 parts of a coupler.

Detailed Description

The present invention will now be described in detail with reference to the accompanying drawings. This figure is a simplified schematic diagram, and merely illustrates the basic structure of the present invention in a schematic manner, and therefore it shows only the constitution related to the present invention.

As shown in fig. 1-3, a defibrillation coupling agent deployment device of the present invention mainly includes a pressure generating assembly 1, a pressure conducting assembly 2 and a therapy electrode.

The pressure generating assembly 1 is an electric trigger type gas generating device and is used for generating gas and providing a power source for the device, the pressure generating assembly 1 comprises a pressure storage 1-1 and a pressure trigger 1-2, the pressure trigger 1-2 is arranged on the pressure storage 1-1, the pressure trigger 1-2 is connected with the pressure storage 1-1 in a detachable sealing mode so as to replace a consumable part, and a gas outlet communicated with the pressure storage 1-1 is formed in the pressure trigger 1-2. The pressure storage 1-1 is used for storing high-pressure gas, a portable safety gas cylinder (such as carbon dioxide, nitrogen, argon, helium and the like) can be adopted, an aerosol can is pre-filled, and the like, the pressure trigger 1-2 is used for opening the pressure storage, and an electromagnetic valve, a firing pin and the like can be adopted. The pressure generating assembly 1 may be a monolithic generator, such as a solid generator, filled with a chemical substance and activated by a generating device to perform a controlled chemical reaction to generate a gas.

The pressure conduction assembly 2 is used for transmitting gas in a pressure generator and comprises a pressure conduit 2-1 and a safety valve 2-2, one end of the pressure conduit 2-1 is hermetically connected to the gas outlet of the pressure trigger 1-2, the other end of the pressure conduit is connected to a pressure bag inlet 2-5 of a pressure bag 2-4 inside the treatment electrode and used for guiding the gas in the pressure storage 1-1 into the pressure bag 2-4, the safety valve 2-2 is arranged on the pressure conduit 2-1 and can prevent the system overpressure caused by channel blockage, and after the pressure in the system exceeds the limit value of the safety valve 2-2, the safety valve 2-2 can be automatically opened to release the pressure. When a plurality of treatment electrodes are provided, the treatment electrode therapeutic apparatus further comprises a pressure divider 2-3, the pressure divider 2-3 comprises an air inlet end and at least two air outlet ends, a pressure conduit 2-1 passing through a safety valve 2-2 is connected to the air inlet end of the pressure divider 2-3, and the air outlet ends of the pressure divider 2-3 are correspondingly connected to pressure bags 2-4 in different treatment electrodes one by one through the pressure conduit 2-1. The pressure divider 2-3 is designed such that the gas pressure is evenly distributed to the interior of each therapy electrode, and the divided gas flows through the pressure conduit 2-1 through the pressure bag inlet 2-5 into the pressure bag 2-4 disposed within the receiving chamber 3-3.

The treatment electrode comprises a storage bin body 3-1, the storage bin body 3-1 is of a hollow structure with one open end, and an electrode assembly 4 is detachably connected to the opening of the storage bin body 3-1. A containing cavity 3-3 is formed between the electrode assembly 4 and the containing cabin body 3-1, and the pressure bag 2-4 is stored in the containing cavity 3-3 in a pre-compression folding structure. A couplant storage bag 5-1 is arranged in the containing cavity 3-3 on the side opposite to the electrode assembly 4, defibrillation couplant 5-2 is stored in the couplant storage bag 5-1, one side, back to the electrode assembly 4, of the couplant storage bag 5-1 is sequentially stacked and distributed with the push plate 3-2 and the pressure bag 2-4, and the pressure bag 2-4 is communicated with the pressure generating assembly 1 through the pressure conduction assembly 2. The push plate 3-2 is placed in the containing cavity 3-3, and the couplant storage bag 5-1 is pasted on one side face of the push plate 3-2 and used for storing and releasing the defibrillation couplant 5-2. The pressure bag 2-4 is positioned between the inner surface of the containing cavity 3-3 and the push plate 3-2, one side of the pressure bag 2-4 is contacted with the inner wall of the containing cavity 3-3, and the other side is contacted with one side of the push plate 3-2.

The electrode assembly 4 comprises an overflow rubber plate 4-1 and a flexible pole piece 4-2, the flexible pole piece 4-2 is adhered to one side of the overflow rubber plate 4-1, which is back to the containing cavity 3-3, a plurality of overflow rubber through holes 4-5 are distributed on the electrode assembly 4, and the overflow rubber through holes 4-5 penetrate through the overflow rubber plate 4-1 and the flexible pole piece 4-2. In this embodiment, the glue overflow through holes 4-5 are four groups, each group includes four glue overflow through holes 4-5, and the glue distribution of 1/4 of the area of the electrode assembly 4 is controlled by each group of glue overflow through holes 4-5; the glue overflow plate 4-1 has a supporting effect on the flexible pole piece 4-2, and the flexible pole piece 4-2 is connected with the therapy host 7-1 through the transmission cable 4-3 and is used for transmitting defibrillation current. In order to ensure that the defibrillation couplant 5-2 is uniformly distributed in the embodiment, the side surface of the glue overflow plate 4-1 facing the couplant storage bag 5-1 is distributed with a plurality of protruding spikes 4-4, and preferably, the spikes 4-4 are distributed on the periphery of the glue overflow through holes 4-5, so that the defibrillation couplant 5-2 can flow out quickly, and the overflow amount of each glue overflow through hole 4-5 can be kept balanced.

As shown in fig. 4 and 5, a wearable automatic external defibrillator comprises the defibrillation coupling agent 5-2 deployment device, a restraint suit 6, a therapy main machine 7-1, a hub 7-2, a coupler 7-3 and at least two therapy electrodes, wherein at least two restraint bags 6-1 for accommodating the therapy electrodes are deployed on the restraint suit 6, a transmission cable 4-3 led out from each therapy electrode is connected to the hub 7-2, and the transmission cable 4-3 is connected to the therapy main machine 7-1 after being integrated by the hub 7-2; the end part of the transmission cable 4-3 connected with the therapeutic host 7-1 is provided with a coupler 7-3, and the coupler 7-3 is detachably connected with the therapeutic host 7-1, in the embodiment, the coupler 7-3, namely a connecting plug, is connected with the therapeutic host 7-1 in a pluggable manner. Preferably, one or more of the treatment host 7-1, hub 7-2, pressure generator, safety valve 2-2, and pressure divider 2-3 are deployed on the containment suit 6. The pressure conduit 2-1 and transmission cable 4-3 are sinuously deployed on the garment 6 so as to meet the wearer's large activity needs.

The working principle is as follows:

typically, a complete set of defibrillation electrode systems contains two or more therapy electrodes.

In an initial state, the pressure bag 2-4 is stored on the inner surface side of the containing cabin body 3-1 in a pre-compression folding structure, the electrode assembly 4 is detachably connected with the containing cabin body 3-1, and the flexible pole piece 4-2 faces to one side of the skin.

When defibrillation is carried out, the pressure trigger 1-2 releases gas in the pressure storage 1-1, the pressure gas respectively fills the pressure bags 2-4 in the two treatment electrodes through the pressure conduit 2-1 and the pressure divider 2-3, the pressure bags 2-4 push the push plate 3-2 and further push the couplant storage bag 5-1 until the bag body is broken after the couplant storage bag 5-1 and the glue overflowing plate 4-1 are extruded, and the defibrillation couplant 5-2 overflows to the skin through the glue overflowing through hole 4-5 in the glue overflowing plate 4-1.

After treatment is finished, the electrode assembly 4 can be detached from the containing bin body, the electrode assembly 4, the pressure bag 2-4, the push plate 3-2 and the like in the electrode assembly are cleaned, the internal defibrillation couplant 5-2 is replaced, a new couplant storage bag 5-1 is installed in the treatment electrode, meanwhile, the pressure in the pressure bag 2-4 is discharged through the safety valve 2-2 or other valves, and the pressure bag 2-4 is enabled to be restored to the folded state again.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims (10)

1. A defibrillation couplant deployment device, characterized by: the device comprises a pressure generating assembly, a pressure conducting assembly and a treatment electrode, wherein the pressure generating assembly is used for generating gas; the pressure conduction assembly is used for transmitting gas; the treatment electrode comprises a storage bin body, the storage bin body is of a hollow structure with an opening at one end, an electrode assembly is arranged on the opening of the storage bin body, a storage cavity is formed between the electrode assembly and the storage bin body, a plurality of glue overflowing through holes are distributed in the electrode assembly, a couplant storage bag is arranged in the storage cavity at one side opposite to the electrode assembly, a defibrillation couplant is stored in the couplant storage bag, a push plate and a pressure bag are sequentially arranged in a stacking mode at one side of the couplant storage bag, which is opposite to the electrode assembly, and the pressure bag is communicated with a pressure generation assembly through a pressure conduction assembly; the gas generated by the pressure generating assembly is transmitted to the pressure bag through the pressure transmission assembly, the pressure bag is inflated, the pressure bag pushes the couplant storage bag to be close to the electrode assembly through the push plate, and after the couplant storage bag is squeezed and broken, the internal defibrillation couplant overflows from the glue overflow through hole of the electrode assembly.

2. A defibrillation couplant deployment device as recited in claim 1, wherein: the electrode assembly comprises a glue overflow plate and a flexible pole piece, the flexible pole piece is bonded on one side of the glue overflow plate, which is back to the containing cavity, and the glue overflow through hole penetrates through the glue overflow plate and the flexible pole piece.

3. A defibrillation couplant deployment device according to claim 1 or 2, wherein: and a plurality of protruding spikes are distributed on the side surface of the electrode assembly facing the couplant storage bag.

4. A defibrillation couplant deployment device as recited in claim 1, wherein: the electrode assembly is detachably connected to the storage bin body.

5. A defibrillation couplant deployment device as recited in claim 1, wherein: the pressure bag is stored in the storage cavity in a pre-compressed folded structure.

6. A defibrillation couplant deployment device as recited in claim 1, wherein: the pressure generating assembly comprises a pressure storage and a pressure trigger, the pressure trigger is arranged on the pressure storage and is connected with the pressure storage in a sealing mode, and an air outlet communicated with the pressure storage is formed in the pressure trigger.

7. A defibrillation couplant deployment device as recited in claim 6, wherein: the pressure conduction assembly comprises a pressure conduit and a safety valve, one end of the pressure conduit is connected to the gas outlet, the other end of the pressure conduit is connected to the pressure bag inside the treatment electrode and used for guiding the gas in the pressure storage device into the pressure bag, and the safety valve is arranged on the pressure conduit.

8. A defibrillation couplant deployment device as recited in claim 7, wherein: the pressure guide pipe passing through the safety valve is connected to the air inlet end of the pressure divider, and the air outlet ends of the pressure divider are connected to the pressure bags in different treatment electrodes in a one-to-one correspondence mode through the pressure guide pipes.

9. The utility model provides an automatic external defibrillator of wearing formula which characterized in that: the defibrillation couplant deploying device comprises the defibrillation couplant deploying device according to any one of claims 1-8, and further comprises a restraining suit, a therapy host, a hub, a coupler and at least two therapy electrodes, wherein at least two restraining bags for accommodating the therapy electrodes are deployed on the restraining suit, a transmission cable led out from each therapy electrode is connected to the hub, and the transmission cables are connected to the therapy host after being integrated by the hub; the treatment host computer is equipped with the coupler on with the link of transmission cable, just the coupler can be dismantled with the treatment host computer and be connected.

10. The wearable automatic external defibrillator of claim 9 wherein: one or more of the therapy mainframe, hub, pressure generator, safety valve, and pressure divider are deployed on a restraining suit.

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