CN219090858U - Electrode plate for internal defibrillation - Google Patents

Abstract

An in-vivo defibrillation electrode plate comprises a left handle component, a right handle component, a left electrode component and a right electrode component, wherein the distal end of the left electrode component is undetachably fixed at the proximal end of the left handle component, and the distal end of the right electrode component is undetachably fixed at the proximal end of the right handle component; the left and right handle assemblies are respectively for grasping by an operator, the proximal ends of the left and right electrode assemblies are for grasping the heart, one of the left and right electrode assemblies is for delivering defibrillation energy to the heart, and the other of the left and right electrode assemblies is for receiving defibrillation energy through the heart. Because the left handle component is non-detachable fixed connection with the left electrode component, the right handle component is non-detachable fixed connection with the right electrode component, so that the in-vivo defibrillation electrode plate does not need to be detached before and after sterilization, the in-vivo defibrillation electrode plate can be directly used, the disassembly and assembly time is saved, and the use is convenient.

Description

Electrode plate for internal defibrillation

Technical Field

The utility model relates to the technical field of medical appliances, in particular to an in-vivo defibrillation electrode plate.

Background

In open chest surgery, internal defibrillation electrodes (hereinafter referred to as "internal plates") are required to perform internal defibrillation to activate the patient's heart. The operator holds the two handles of the inner plate of the body by hands, and clamps the heart through the two electrodes, so that defibrillation energy is transmitted from one electrode to the other electrode through the heart, and defibrillation discharge in the body is completed.

Since the two electrodes of the inner body plate are in direct contact with the patient's heart, the inner body plate needs to be sterilized in order to prevent cross-infection. At present, many manufacturers provide disposable in-vivo defibrillation electrode plates, and the disposable in-vivo defibrillation electrode plates do not need to be disinfected, but the expense is spread in the treatment expense of patients, so that the cost for the patients is high; there are also manufacturers that provide split type internal defibrillation electrode plates, split type indicates defibrillation electrode and handle are dismantled and assembled, split type internal defibrillation electrode plates can carry out sterilization treatment, can reuse, but split type internal defibrillation electrode plates need the reassemble to use, use inconveniently.

Disclosure of Invention

In one embodiment, an in-vivo defibrillation electrode pad is provided comprising a left handle assembly, a right handle assembly, a left electrode assembly, and a right electrode assembly;

the distal end of the left electrode assembly is non-detachably secured to the proximal end of the left handle assembly, and the distal end of the right electrode assembly is non-detachably secured to the proximal end of the right handle assembly; the left and right handle assemblies are respectively for grasping by an operator, a proximal end of the left and right electrode assemblies are for grasping a heart, one of the left and right electrode assemblies is for delivering defibrillation energy to the heart, and the other of the left and right electrode assemblies is for receiving the defibrillation energy through the heart.

In one embodiment, the distal end of the left electrode assembly is non-detachably secured to the proximal end of the left handle assembly comprising: the left electrode assembly and the left handle assembly are integrally formed; the distal end of the right electrode assembly is non-detachably secured to the proximal end of the right handle assembly including: the right electrode assembly and the right handle assembly are integrally formed.

In one embodiment, the integral molding includes one of assembly fixture molding, welding molding, integral injection molding, and integral machining molding.

In one embodiment, the left handle assembly includes a left inner die, the distal end of the left electrode assembly being non-detachably secured to the proximal end of the left inner die; the right handle assembly includes a right inner die, and a distal end of the right electrode assembly is non-detachably secured to a proximal end of the right inner die.

In one embodiment, the left handle assembly further comprises a left outer mold that partially or completely encases the left inner mold; the right handle assembly further includes a right outer mold that partially or completely encloses the right inner mold.

In one embodiment, the proximal end of the left outer mold completely wraps around the proximal end of the left inner mold, and the proximal end of the right outer mold completely wraps around the proximal end of the right inner mold.

In one embodiment, the left inner mold and the right inner mold are rigid insulating structures; and/or, the left outer die and the right outer die are flexible insulating structures.

In one embodiment, the left handle assembly further comprises a left support rod, the distal end of the left electrode assembly is non-detachably fixed to the proximal end of the left support rod, and the left inner mold wraps around the left support rod; the right handle assembly comprises a right support rod, the distal end of the right electrode assembly is non-detachably fixed at the proximal end of the right support rod, and the right inner mold wraps the right support rod.

In one embodiment, the left support rod and the right support rod each comprise a first rod and a second rod which are axially connected, the outer diameter of the first rod is larger than or equal to that of the second rod, the second rod is a hollow rod, and the distal end of the left electrode assembly and the distal end of the right electrode assembly are respectively inserted and fixed in the second rod.

In one embodiment, the left support bar and the right support bar are conductive structures.

In one embodiment, the left electrode assembly comprises a left connecting rod and a left electrode, wherein the distal end of the left connecting rod is detachably and fixedly connected with the left handle assembly, and the proximal end of the left connecting rod is connected with the left electrode; the right electrode assembly comprises a right connecting rod and a right electrode, wherein the far end of the right connecting rod is fixedly connected with the right handle assembly in a detachable mode, and the near end of the right connecting rod is connected with the right electrode.

In one embodiment, the left connecting rod and the left electrode are integrally formed, and/or the right connecting rod and the right electrode are integrally formed.

In one embodiment, the left connecting rod, the left electrode, the right connecting rod and the right electrode are all conductive structures; the left connecting rod, the left electrode, the right connecting rod and the outer side of the right electrode are all provided with insulating layers, the left electrode and the right electrode are all provided with conducting surfaces, and the insulating layers cover areas outside the conducting surfaces on the left electrode and the right electrode.

In one embodiment, the distal end of the left handle assembly is bent and positioned and/or the distal end of the right handle assembly is bent and positioned.

In one embodiment, the left handle assembly is bent along a first axial direction and the right handle assembly is bent along a second axial direction, both of which are parallel to the direction in which the heart is held.

In one embodiment, the angle between the distal end of the left handle component and the proximal end is 90 ° to 165 °, and the angle between the distal end of the right handle component and the proximal end is 90 ° to 165 °.

In one embodiment, the distal end of the left handle component is provided with a distal outer side surface and a distal inner side surface which are bent relative to the proximal end, the distal end of the right handle component is provided with a distal outer side surface and a distal inner side surface which are bent relative to the proximal end, and the distal outer side surface of the left handle component or the distal outer side surface of the right handle component is provided with a discharge button.

In one embodiment, the left or right handle assembly further comprises a discharge button and a discharge circuit, the discharge button being electrically connected to the left or right electrode assembly by the discharge circuit, the discharge button being for controlling the left or right electrode assembly to deliver defibrillation energy to the heart; the left internal mold or the right internal mold wraps the discharging key and the discharging circuit.

In one embodiment, the discharge button is located at a distal end of the left handle assembly or the right handle assembly.

In one embodiment, the discharging key comprises a key cap, a key body and a control switch, at least part of the key body is arranged in the key cap, the key cap and the key body can move together relative to the control switch to trigger the control switch, and the control switch is connected with the discharging circuit and used for controlling the left electrode assembly or the right electrode assembly to transmit defibrillation energy to the heart; part or all of the keycap exposes the left handle assembly or the right handle assembly.

In one embodiment, the discharging key further comprises a switch fixing piece, the switch fixing piece is provided with a mounting cavity penetrating through the upper portion and the lower portion, a part of the key body is located at the upper end of the mounting cavity, and the control switch is located at the lower end of the mounting cavity; the switch fixing piece is in sealing connection with the keycap.

In one embodiment, the discharging key further comprises a protective shell, and the protective shell is arranged outside the key body and is in sealing connection with the key cap; the protective shell has an upper surface located at the periphery of the key cap, and the outer mold at least partially covers the upper surface.

In one embodiment, a sealing structure is arranged between the mounting cavity and the control switch, and/or a sealing structure is arranged between the protective shell and the switch fixing piece; the sealing structure is a part of the left inner mold or the right inner mold, or the sealing structure is a structure independent from the left inner mold or the right inner mold.

In one embodiment, the device further comprises a plug connector and a cable, wherein the plug connector is electrically connected with the left handle component and the right handle component through the cable.

In one embodiment, the cable is integrally formed with or removably connected to the left and right handle assemblies.

According to the in-vivo defibrillation electrode plate, the in-vivo defibrillation electrode plate is a part capable of being sterilized and reused, and the left handle assembly and the left electrode assembly are in non-detachable fixed connection, and the right handle assembly and the right electrode assembly are in non-detachable fixed connection, so that the in-vivo defibrillation electrode plate does not need to be detached before and after sterilization, the in-vivo defibrillation electrode plate can be directly used, the disassembly and assembly time is saved, and the use is convenient.

Drawings

Fig. 1 is a schematic diagram of an internal defibrillation electrode pad in one embodiment;

FIG. 2 is an axial cross-sectional view of a left handle assembly and a left electrode assembly in one embodiment;

FIG. 3 is an axial cross-sectional view of a right handle assembly and a right electrode assembly in one embodiment;

FIG. 4 is a schematic view showing an integrally formed structure of a left support rod and a left electrode assembly according to one embodiment;

FIG. 5 is a schematic view of the structure of the right handle assembly and the right electrode assembly in one embodiment;

FIG. 6 is a schematic diagram of the structure of the right handle assembly and the right electrode assembly in one embodiment;

FIG. 7 is a partial axial cross-sectional view of the right handle assembly in one embodiment;

FIG. 8 is an exploded view of a discharge button in one embodiment;

FIG. 9 is a schematic diagram of a discharging button in an embodiment;

FIG. 10 is a schematic diagram of a discharging button according to an embodiment;

fig. 11 is a schematic diagram of the structure of an internal defibrillation electrode pad in one embodiment;

fig. 12 is a diagram of defibrillation use conditions of an internal defibrillation electrode pad in one embodiment;

fig. 13 is a schematic diagram of the operation of an internal defibrillation electrode pad in one embodiment;

wherein the reference numerals are as follows:

1-a left handle assembly, 11-a left inner mold, 12-a left outer mold and 13-a left support rod;

2-left electrode assembly, 21-left connecting rod, 22-left electrode;

3-right handle assembly, 31-right inner mold, 32-right outer mold, 33-right support bar;

4-right electrode assembly, 41-right connecting rod, 42-right electrode;

the device comprises a 5-discharge key, a 51-key cap, a 52-key body, a 521-trigger switch piece, a 522-limit body, a 523-spring, a 53-control switch, a 54-switch fixing piece and a 55-protection shell;

6-plug connectors, 61-plug terminals;

7-cables, 71-left cables, 72-right cables.

Detailed Description

The utility model will be described in further detail below with reference to the drawings by means of specific embodiments. Wherein like elements in different embodiments are numbered alike in association. In the following embodiments, numerous specific details are set forth in order to provide a better understanding of the present application. However, one skilled in the art will readily recognize that some of the features may be omitted, or replaced by other elements, materials, or methods in different situations. In some instances, some operations associated with the present application have not been shown or described in the specification to avoid obscuring the core portions of the present application, and may not be necessary for a person skilled in the art to describe in detail the relevant operations based on the description herein and the general knowledge of one skilled in the art.

Furthermore, the described features, operations, or characteristics of the description may be combined in any suitable manner in various embodiments. Also, various steps or acts in the method descriptions may be interchanged or modified in a manner apparent to those of ordinary skill in the art. Thus, the various orders in the description and drawings are for clarity of description of only certain embodiments, and are not meant to be required orders unless otherwise indicated.

The numbering of the components itself, e.g. "first", "second", etc., is used herein merely to distinguish between the described objects and does not have any sequential or technical meaning. The terms "coupled" and "connected," as used herein, are intended to encompass both direct and indirect coupling (coupling), unless otherwise indicated. Herein, proximal refers to the end that is proximal to the patient's heart away from the operator and distal refers to the end that is distal to the patient's heart near the operator. In the use process, one end of the internal defibrillation electrode plate, which is close to the heart, is a proximal end, and one end of the internal defibrillation electrode plate, which is far away from the heart, is a distal end; the upper end and the lower end of the discharging key are pressed to move from the upper end to the lower end, and the discharging key moves from the lower end to the upper end during recovery. In the figure, the scheme that the discharging keys are arranged on the right handle component and are not arranged on the left electrode component 2 is shown; the discharge button is arranged on the left electrode assembly 2, and the scheme of not being arranged on the right handle assembly is symmetrical to the scheme in the figure, and is not shown any more.

In one embodiment, an in-vivo defibrillation electrode plate is provided, which can be sterilized and reused, so that the treatment cost of patients is reduced; meanwhile, the internal defibrillation electrode plate is arranged into an integrated structure, disassembly is not needed during sterilization treatment, disassembly and assembly time is saved, and the internal defibrillation electrode plate can be directly used in clinic and is convenient to use.

In the internal defibrillation electrode plate, can be with the button integration that discharges on the handle of internal defibrillation electrode plate, when the internal defibrillation electrode plate centre gripping heart of operation, the operator can directly press the button that discharges and carry out the treatment of discharging, need not other operators to the host computer side press the button that discharges for an operator can carry out centre gripping and discharge simultaneously, can realize coordinated control operation, improves defibrillation treatment efficiency.

Referring to fig. 1 to 3, in one embodiment, the internal defibrillation electrode plate includes a left handle assembly 1, a left electrode assembly 2, a right handle assembly 3 and a right electrode assembly 4, where the left handle assembly 1 and the left electrode assembly 2 are non-detachably and fixedly connected, the right handle assembly 3 and the right electrode assembly 4 are non-detachably and fixedly connected, the left handle assembly 1 and the left electrode assembly 2 form a left side structure, the right handle assembly 3 and the right electrode assembly 4 form a right side structure, the left side structure and the right side structure may be completely bilateral symmetry structures, or most of the left side structure and the right side structure may be left-right symmetry structures.

One of the left electrode assembly 2 and the right electrode assembly 4 is for delivering defibrillation energy to the heart and the other is for receiving defibrillation energy that passes through the heart. For example, left electrode assembly 2 is used to deliver defibrillation energy to the heart and right electrode assembly 4 is used to receive defibrillation energy that passes through the heart. When one of the left electrode assembly 2 and the right electrode assembly 4 is provided with a discharge button 5, the left electrode assembly 2 or the right electrode assembly 4 provided with the discharge button 5 is used to deliver defibrillation energy to the heart, and the left electrode assembly 2 or the right electrode assembly 4 without the discharge button 5 is used to receive defibrillation energy passing through the heart.

The left handle assembly 1, the left electrode assembly 2, the right handle assembly 3 and the right electrode assembly 4 are all of elongated configuration and have proximal and distal ends. Wherein, the proximal end of left electrode assembly 2 and the proximal end of right handle assembly 3 are used for holding heart jointly, the distal end of left electrode assembly 2 is fixed with the proximal end of left handle assembly 1 undetachably, the distal end of left handle assembly 1 is used for connecting left cable 71, the distal end of right electrode assembly 4 is fixed with the proximal end of right handle assembly 3 undetachably, the distal end of right handle assembly 3 is used for connecting right cable 72.

The left handle assembly 1 and the left electrode assembly 2 may be in an integrally formed structure, and the right handle assembly 3 and the right electrode assembly 4 may be in an integrally formed structure. The integral molding comprises one of assembling and fixing molding, welding molding, integral injection molding and integral processing molding. The assembly and fixing molding can be in butt joint assembly and fixing in the modes of interference fit grafting, threaded connection, pin connection and the like, and can fix the left handle component 1 and the left electrode component 2 which are made of two different materials together and fix the right handle component 3 and the right electrode component 4 which are made of two different materials together; the left handle component 1 and the left electrode component 2 which are made of metal can be fixed together by welding and the right handle component 3 and the right electrode component 4 which are made of metal can be fixed together by welding and molding; the left handle component 1 and the left electrode component 2 can be manufactured into an integral material by integral injection molding and integral processing, and the right handle component 3 and the right electrode component 4 can be manufactured into an integral material, so that no connecting gap exists between the left handle component and the left electrode component, and the structure is firmer and more stable. The left handle component 1 and the left electrode component 2 of the integrated structure cannot be disassembled, and the right handle component 3 and the right electrode component 4 of the integrated structure cannot be disassembled, so that the in-vivo defibrillation electrode plate does not need to be disassembled in the process of disinfection and repeated use, and can be directly disinfected and used.

In this embodiment, the left handle assembly 1 and the left electrode assembly 2 may be an integrally formed structure, which means that the connection part of the left handle assembly 1 and the left electrode assembly 2 is an integrally formed structure; the right handle assembly 3 and the right electrode assembly 4 may also be integrally formed, which also means that the joint of the right handle assembly 3 and the right electrode assembly 4 is integrally formed.

In this embodiment, the left handle assembly 1 includes a left inner die 11 and a left outer die 12, the distal end of the left electrode assembly 2 is non-detachably fixed to the proximal end of the left inner die 11, and the left outer die 12 is wrapped around the outer side of the left inner die 11. The left inner mold 11 and the left outer mold 12 are both insulating structures, and the left inner mold 11 and the left outer mold 12 can be manufactured in an injection molding manner. The left inner mold 11 is made of hard insulating materials, the left inner mold 11 forms a main body structure of the left handle assembly 1, and the left outer mold 12 can be made of flexible insulating materials, such as silica gel materials, so that the outer side of the left handle assembly 1 has certain elasticity, and the holding hand feeling can be improved. Moreover, the left inner mold 11 and the left outer mold 12 are both made of high polymer materials with excellent high temperature resistance and chemical resistance, so that the left inner mold 11 and the left outer mold 12 can meet the clinical requirements of multiple high temperature steam sterilization and low temperature plasma sterilization.

In other embodiments, the left handle assembly 1 may include only the left inner mold 11, and the left inner mold 11 forms the main structure of the left handle assembly 1 and may be exposed to the outside.

The right handle assembly 3 includes a right inner mold 31 and a right outer mold 32, the distal end of the right electrode assembly 4 being non-detachably fixed to the proximal end of the right inner mold 31, the right outer mold 32 being wrapped around the outer side of the right inner mold 31. The right inner mold 31 and the right outer mold 32 are both insulating structures, and the right inner mold 31 and the right outer mold 32 can be manufactured in an injection molding manner. The right inner mold 31 is made of hard insulating materials, the right inner mold 31 forms a main body structure of the right handle assembly 3, and the right outer mold 32 can be made of flexible materials, so that the outer side of the right handle assembly 3 has certain elasticity, and the holding hand feeling can be improved. Moreover, the right inner mold 31 and the right outer mold 32 are both made of high polymer materials with excellent high temperature resistance and chemical resistance, so that the right inner mold 31 and the right outer mold 32 can meet the clinical requirements of multiple high temperature steam sterilization and low temperature plasma sterilization.

In other embodiments, the right handle assembly 3 may include only the right inner mold 31, and the right inner mold 31 forms the main structure of the right handle assembly 3 and may be exposed to the outside.

In one embodiment, the proximal end of the left outer mold 12 extends closer to the heart than the proximal end of the left inner mold 11, the proximal end of the left outer mold 12 completely wraps the proximal end of the left inner mold 11, and the left outer mold 12 wraps the left electrode assembly 2, so that the left outer mold 12 wraps the junction between the left inner mold 11 and the left electrode assembly 2, and a further seal can be formed on the inside of the left handle assembly 1, thereby improving the resistance to multiple high temperature steam sterilization and low temperature plasma sterilization, and improving the degree of integration of the left handle assembly 1 and the left electrode assembly 2, and improving the structural stability.

The proximal end of the right outer mold 32 extends to be closer to the heart than the proximal end of the right inner mold 31, the proximal end of the right outer mold 32 completely wraps the proximal end of the right inner mold 31, and the right outer mold 32 wraps the right electrode assembly 4, so that the right outer mold 32 wraps the junction of the right inner mold 31 and the right electrode assembly 4, and further seals the inside of the right handle assembly 3 to improve the ability to withstand multiple high temperature steam sterilization and low temperature plasma sterilization, and also improve the degree of integration of the right handle assembly 3 and the right electrode assembly 4, and improve the stability of the structure.

In other embodiments, the proximal end of the left outer mold 12 may also be wrapped around the proximal end surface of the left inner mold 11, as well as completely wrapping the left inner mold 11. Likewise, the proximal end of the right outer mold 32 may also be wrapped around the proximal end surface of the right inner mold 31, and the right inner mold 31 may be completely wrapped around.

Referring to fig. 1 to 4, in one embodiment, the left handle assembly 1 may further include a left support rod 13, the left support rod 13 is located inside the left inner mold 11, and the left inner mold 11 wraps the left support rod 13. The left support rod 13 can be of a hard conductive structure, for example, the left support rod 13 is an alloy tube, the left end of the left support rod 13 not only can play a supporting role and improve the structural strength of the left handle assembly 1, but also the proximal end of the left support rod 13 can be fixedly connected with the distal end of the left electrode assembly 2 in a non-detachable manner and form electric connection. The proximal end of the left support rod 13 is provided with a jack, and the distal end of the left electrode assembly 2 can be inserted and fixed in the jack of the left support rod 13 in an interference fit mode. Other gaps in the left support rod 13 can be used for injection molding of the left inner die 11, so that the inside of the left handle assembly 1 is of a solid structure, and the structural strength and the structural stability are improved.

The right handle assembly 3 may further include a right support bar 33, the right support bar 33 being located inside the right inner mold 31, the right inner mold 31 wrapping the right support bar 33. The right support rod 33 may be a hard conductive structure, for example, the right support rod 33 is an alloy tube, the right end of the right support rod 33 not only can play a supporting role to improve the structural strength of the right handle assembly 3, but also the proximal end of the right support rod 33 can be fixedly connected with the distal end of the right electrode assembly 4 in a non-detachable manner, and an electrical connection is formed. The proximal end of the right support rod 33 has a receptacle, and the distal end of the right electrode assembly 4 may be inserted and fixed in the receptacle of the right support rod 33 by interference fit or the like. Other gaps in the right support bar 33 can be used for injection molding of the right inner mold 31, so that the right handle assembly 3 is of a solid structure, and the structural strength and the structural stability are improved.

The left and right support rods 13 and 33 may each include a first rod and a second rod connected axially (direction of connection between proximal and distal ends), the proximal end of the first rod being connected to the distal end of the second rod, the proximal end of the second rod being used to be connected to the distal end of the left electrode assembly 2 or the distal end of the right electrode assembly 4, the distal end of the first rod being electrically connected to cables extending into the left and right inner molds 11 and 31 so that the left and right electrode assemblies 2 and 4 can be electrically connected through the second and first rods and cables, respectively.

The external diameter of first pole is greater than the external diameter of second pole, and the external diameter of first pole can be greater than half of the external diameter of left handle subassembly 1 or right handle subassembly 3, and the external diameter of second pole can be less than half of the external diameter of left handle subassembly 1 or right handle subassembly 3, and the relative first pole binding off of second pole sets up, through the structural transitional coupling of loudspeaker form between first pole and the second pole. The length of first pole is also greater than the length of second pole, and the length of first pole setting is bigger longer in order to make first pole as main bearing structure, plays sufficient supporting strength, and the second pole setting is smaller shorter in order to make the second pole can be with the distal end of left electrode assembly 2 or the distal end adaptation connection of right electrode assembly 4, forms integrated into one piece structure.

In other embodiments, the first and second rods may have the same outer diameter, with the second rod having a smaller inner diameter, as well as enabling a distal mating connection of the second rod with the distal end of the left electrode assembly 2 or the distal end of the right electrode assembly 4.

In other embodiments, the left support rod 13 and the right support rod 33 may be insulating structures, such as ceramics or polymer materials, the left support rod 13 and the right support rod 33 only play a role in supporting, and an electrical connection wire is disposed in the left inner mold 11 and the right inner mold 31, so that the left electrode assembly 2 and the right electrode assembly 4 can be electrically connected to a power supply through the electrical connection wire.

Referring to fig. 2 and 3, in one embodiment, the left electrode assembly 2 includes a left connecting rod 21 and a left electrode 22, wherein a distal end of the left connecting rod 21 is detachably and fixedly connected to the left handle assembly 1, and specifically, the distal end of the left connecting rod 21 is inserted into a second rod of the left supporting rod 13 to form an integrally formed connection. The proximal end of the left connecting rod 21 is connected with the left electrode 22, the left connecting rod 21 and the left electrode 22 can be in an integrated structure, and the left connecting rod 21 and the left electrode 22 can be fixed together in a welding mode by adopting integrated injection molding or integrated processing.

The left connecting rod 21 and the left electrode 22 are both conductive structures and made of conductive metal materials such as stainless steel. The left electrode 22 has a conductive surface parallel to the axial direction of the left connecting rod 21, and the conductive surface of the left electrode 22 is for clamping contact with the heart to form an electrical connection with the heart.

The right electrode assembly 4 includes a right connecting rod 41 and a right electrode 42, and the distal end of the right connecting rod 41 is detachably and fixedly connected with the right handle assembly 3, specifically, the distal end of the right connecting rod 41 is inserted into the second rod of the right supporting rod 33 to form an integrally formed connection. The proximal end of the right connecting rod 41 is connected with the right electrode 42, the right connecting rod 41 and the right electrode 42 can be in an integrated structure, and the right connecting rod 41 and the right electrode 42 can be fixed together in a welding mode by adopting integrated injection molding or integrated processing.

The right connecting rod 41 and the right electrode 42 are both conductive structures and made of conductive metal materials such as stainless steel. The right electrode 42 has a conductive surface parallel to the axial direction of the right connecting rod 41, the conductive surface of the right electrode 42 being adapted to be in clamping contact with the heart to form an electrical connection with the heart.

The left electrode 22 and the right electrode 42 can be in spoon-shaped structures, and the conductive surface of the left electrode 22 and the conductive surface of the right electrode 42 are concave curved surfaces, so that the conductive surface of the left electrode 22 and the conductive surface of the right electrode 42 can be attached to the side surface of the heart, the contact area is increased, the defibrillation energy can be transmitted easily, and the defibrillation treatment effect can be improved.

In other embodiments, the left electrode 22 and the right electrode 42 may be planar or curved sheet structures, and may also be used to clamp the heart to achieve a certain therapeutic effect of fibrillation.

In one embodiment, the left connecting rod 21 and the left electrode 22 are covered with an insulating layer, wherein the insulating layer covers all left connecting rods 21 exposed outside, and the insulating layer covers all areas of the left electrode 22 except the conductive surface. The arrangement of the insulating layer ensures that only the conductive surface of the left electrode assembly 2 can realize electric contact, other parts are insulated and protected, the safety problem in the defibrillation treatment process is improved, and other tissues of a patient or operators can be prevented from electric shock.

Likewise, the right connecting rod 41 and the right electrode 42 are covered with an insulating layer, wherein the insulating layer covers all right connecting rods 41 exposed outside, and the insulating layer covers all areas of the right electrode 42 except the conductive surface. The arrangement of the insulating layer ensures that only the conductive surface of the right electrode assembly 4 can realize electric contact, other parts are insulated and protected, the safety problem in the defibrillation treatment process is improved, and other tissues of a patient or operators can be prevented from electric shock.

The insulating layers on the left electrode assembly 2 and the right electrode assembly 4 can be integrally formed insulating films, insulating coatings or insulating sleeves, and the insulating layers can be made of high polymer materials with excellent high temperature resistance and chemical resistance so as to meet the clinical requirements of multiple high temperature steam sterilization and low temperature plasma sterilization.

Referring to fig. 5 and 6, in one embodiment, the distal end of the left handle assembly 1 is bent and disposed, and the distal end of the right handle assembly 3 is also bent and disposed. The left handle assembly 1 and the right handle assembly 3 are bent into a gun-like configuration, the left handle assembly 1 being bent along a first axial direction and the right handle assembly 3 being bent along a second axial direction, the first and second axial directions being parallel to the direction in which the heart is clamped. Wherein the first and second axes are oriented perpendicular to fig. 5 and 6, and the left and right electrodes 22, 42 are also oriented perpendicular to fig. 5 and 6. In use, the left handle assembly 1 and the right handle assembly 3 form a parallel gun-type structure, which is convenient for the operator to defibrillate.

The left and right handle assemblies 1, 3 are bent into a gun-like configuration to facilitate placement of the discharge button 5 at the distal end of the left handle assembly 1 or the distal end of the right handle assembly 3. The discharging key 5 can be controlled by the thumb when an operator holds the left handle component 1 and the right handle component 3, so that the operating efficiency of defibrillation treatment can be improved.

The angle α of the distal end of the left handle assembly 1 bent with respect to the proximal end may be 90 ° to 165 °, and the angle α of the distal end of the right handle assembly 3 bent with respect to the proximal end may be 90 ° to 165 °, for example, the distal ends of the left and right handle assemblies 1 and 3 may be bent 120 °. The left handle component 1 and the right handle component 3 are bent into an obtuse angle structure, so that the thumb of an operator can more easily touch the discharge button 5 on the far end of the left handle component 1 or the far end of the right handle component 3, and the operator can operate and control the discharge button 5.

The cross sections of the left handle component 1 and the right handle component 3 can be elliptical, which is favorable for an operator to hold, and the left handle component 1 and the right handle component 3 can also have square, rectangular, trapezoidal, triangular or circular structures.

In other embodiments, one of the left handle component 1 and the right handle component 3 can be set to be in a bent gun type structure, the other one is set to be in a straight line type structure, the discharging key 5 is arranged on the left handle component 1 or the right handle component 3 in the gun type structure, and the discharging key 5 is not arranged on the left handle component 1 or the right handle component 3 in the straight line type structure, so that an operator can conveniently control the discharging key 5.

In one embodiment, one of the left handle assembly 1 and the right handle assembly 3 includes a discharge button 5, such as the discharge button 5 is disposed on the distal end of the right handle assembly 3, and the discharge button 5 is not disposed on the left handle assembly 1; or the discharging key 5 is arranged on the far end of the left handle component 1, and the discharging key 5 is not arranged on the right handle component 3.

The discharging key 5 may be provided on a circumferential side of the distal end of the left handle assembly 1 or the distal end of the right handle assembly 3, and the discharging key 5 is located outside the distal end of the left handle assembly 1 or the distal end of the right handle assembly 3. The far end of the left handle component 1 or the far end of the right handle component 3 is provided with a far end outer side surface and a far end inner side surface after being bent, the far end outer side surface and the far end inner side surface are curved surfaces formed by bending, the far end outer side surface is a convex curved surface, the far end inner side surface is a concave curved surface, a far end left side surface and a far end right side surface are arranged between the far end outer side surface and the far end inner side surface, the far end left side surface and the far end right side surface can be flat surfaces or convex curved surfaces, the convex of the far end left side surface and the far end right side surface is not formed by bending, and the left handle component 1 and the right handle component 3 are formed by cylindrical structures.

The outer side surface of the far end of the left handle component 1 or the right handle component 3 is the part which is convenient for the operator to hold and contact, the discharging key 5 is arranged on the outer side surface of the far end of the left handle component 1 or the right handle component 3, the discharging key 5 positioned on the outer side surface is exposed outside, and when the operator holds the left handle component 1 or the right handle component 3, the thumb can conveniently press and operate the discharging key 5, so that the operation efficiency is improved.

The length L from the central line of the discharging key 5 to the bent end position of the outer side surface of the left handle component 1 or the right handle component 3 is 15-120mm, and the discharging key 5 is spaced from the bent part of the left handle component 1 or the right handle component 3 by a preset distance, so that an operator can just touch the discharging key 5 by a thumb when holding the left handle component 1 or the right handle component 3, and the operator can operate and use conveniently.

The left handle assembly 1 or the right handle assembly 3 with the discharging button 5 further comprises a discharging circuit, which may be a part of the left cable 71 or the right cable 72, or may be a separate conductive structure, and the discharging circuit is electrically connected with the left cable 71 or the right cable 72. The discharging key 5 is electrically connected with the discharging circuit, the discharging key 5 is used for controlling the on-off of the discharging circuit, and one end of the discharging circuit is electrically connected with the left supporting rod 13 or the right supporting rod 33.

The discharge mode may be set as: after the discharge button 5 is pressed, the discharge circuit is switched on, and discharges; after releasing the discharge button 5, the discharge circuit is disconnected, and the discharge circuit stops discharging. In this state, the operator can discharge only by continuously pressing, so that the discharge safety is ensured.

The discharge method may be set as follows: after the discharge key 5 is pressed once, the discharge circuit is switched on and discharges; after the discharge button 5 is pressed again, the discharge circuit is disconnected, and the discharge circuit stops discharging. In this mode, the operator does not need to press the discharge button 5 all the time, and the operation of the operator is more convenient.

Referring to fig. 7 to 10, taking the example that the discharging key 5 is disposed on the right handle assembly 3, in one embodiment, the right inner mold 31 has a cavity therein, the discharging key 5 is disposed in the cavity, the right outer mold 32 is provided with an opening aligned with the cavity, and a portion of the discharging key 5 is exposed from the opening, so that an operator can press and operate the discharging key 5. The right internal mold 31 can be poured and molded after the discharge key 5 is fixed, the right internal mold 31 wraps the discharge key 5 to form a sealed package for the discharge key 5, and integrated molding and sealed protection are realized.

The discharging key 5 comprises a key cap 51, a key body 52 and a control switch 53, wherein the upper end of the key body 52 is connected with the key cap 51, the upper end part of the key body 52 can be arranged in the key cap 51, the lower end of the key body 52 is used for triggering the control switch 53, and the key cap 51 and the key body 52 can move up and down together to trigger the control switch 53 to open or close a discharging circuit.

The key body 52 may include a trigger switch element 521, a limiting body 522 and a spring 523, where the trigger switch element 521 may be provided with a T-shaped structure, the upper end of the trigger switch element 521 has a flange boss, the limiting body 522 may be a cylindrical structure, and the spring 523 may be a straight spring; the upper end of the trigger switch 521 is inserted into the lower end of the limit body 522, the upper end of the limit body 522 can be inserted into the key cap 51, the spring 523 is sleeved at the lower end of the trigger switch 521, the flange boss at the upper end of the trigger switch 521 is used for limiting the spring 523, and the spring 523 is used for enabling the key cap 51 and the key body 52 to move upwards for resetting. The lower end of the trigger switch 521 is used for contacting the triggering portion of the control switch 53, and the trigger switch 521 may have a non-rigid structure such as a silica gel column, or the lower end of the trigger switch 521 is of a silica gel structure, so that the trigger switch 521 is in flexible contact with the triggering portion of the control switch 53 when contacting, which can avoid damaging the control switch 53 and improve the service life of triggering.

The discharging key 5 further comprises a switch fixing member 54, the switch fixing member 54 is provided with a mounting cavity penetrating through the upper portion and the lower portion, the control switch 53 is mounted in the mounting cavity of the switch fixing member 54, and the control switch 53 is located at the lower end of the mounting cavity. The key body 52 is also installed in the installation cavity of the switch fixing piece 54, and the lower end of the spring 523 abuts against a limiting part such as a protruding structure in the installation cavity of the switch fixing piece 54; the key cap 51 is connected to the upper end of the switch fixing member 54, the key cap 51 can seal the upper end of the installation cavity of the switch fixing member 54, a sealing structure is arranged at the lower end A of the installation cavity, the triggering switch member 521 is sealed in the installation cavity by the sealing structure, and only the connecting wire of the triggering switch member 521 penetrates out of the installation cavity to be connected with the discharge circuit. The key cap 51 cooperates with the sealing structure at the lower end of the mounting cavity, the upper and lower ends of the switch fixing member 54 are formed into sealing structures, and the key body 52 and the control switch 53 are sealed in the key cap 51 and the switch fixing member 54 to form sealing protection. The sealing structure may be a part of the right inner mold 31, or may be independent of the structure of the right inner mold 31, for example, when the right inner mold 31 is not filled, epoxy glue is filled between the switch fixing member 54 and the control switch 53, and the switch fixing member 54 and the control switch 53 are connected and fixed in a sealing manner by using the epoxy glue.

The key cap 51 is of a flexible structure, for example, the key cap 51 is a silica gel cap, and the key cap 51 can be retracted up and down so that the key body 52 can be moved up and down together with the key cap 51. An upper end of the key cap 51 may be exposed from an opening of the right outer mold 32 to allow an operator to press the operation discharge key 5.

In other embodiments, the spring 523 may be a spring plate or a spring pressing transmission structure of a non-axial hole type, or the like, and may also realize the resetting of the key cap 51 and the key body 52.

In one embodiment, the discharging key 5 further includes a protective shell 55, the protective shell 55 is of a hard structure, the protective shell 55 is of a cylindrical structure, the inner diameter of the protective shell 55 is equal to or close to the outer diameter of the keycap 51, the protective shell 55 is sleeved on the keycap 51, and the upper end of the keycap 51 penetrates out of the protective shell 55 to be exposed outside. The protective shell 55 is made of a high polymer material with excellent high temperature resistance and chemical resistance, and the protective shell 55 can meet the clinical requirements of multiple high-temperature steam sterilization and low-temperature plasma sterilization.

The protective shell 55 is integrally located within the right outer mold 32, and the outer diameter of the protective shell is larger than the opening inner diameter of the right outer mold 32, so that the protective shell 55 abuts against the inner side of the right outer mold 32 and completely seals the opening of the right outer mold 32. There is not the clearance between protective housing 55 and the right external mold 32, can avoid the foreign matter to enter into in the button that discharges 5, and at high temperature steam sterilization and low temperature plasma sterilization's in-process, even the expansion coefficient of protective housing 55 and right external mold 32 is inconsistent, also can not appear the gap between protective housing 55 and the right external mold 32, can keep apart the protection to the button that discharges 5, avoid the button that discharges 5 to be damaged in the sterilization process.

The lower extreme of protective housing 55 and switch mounting 54 can pass through mode fixed connection such as joint, and the B department between protective housing 55 and the switch mounting 54 is equipped with seal structure, and seal structure can be the part of right centre form 31, and seal structure also can be independent of the structure of right centre form 31, for example when right centre form 31 did not pour into, first pour epoxy glue between protective housing 55 and switch mounting 54, adopts epoxy glue to fix protective housing 55 and switch mounting 54 sealing connection.

In other embodiments, the protective case 55 may be integrally formed with the switch fixing member 54, and the key body 52 and the control switch 53 may be mounted into the protective case 55 and the switch fixing member 54 from the lower end of the switch fixing member 54, and then the lower end of the switch fixing member 54 is sealed by the sealing structure. The protective case 55 may be integrally formed with the switch fixing member 54, and may improve sealability therebetween.

Referring to fig. 11, in one embodiment, the internal defibrillation electrode plate further includes a plug connector 6 and a cable 7, the distal end of the plug connector 6 has a plug terminal 61, the plug terminal 61 is adapted to be connected to a socket on a host for treatment of the defibrillator, the plug terminal 61 can be connected to the socket of the host electrically, and the plug connector 6 is used for transmitting high voltage shock energy and discharge signals. The cable 7 includes a left cable 71 and a right cable 72, and the distal ends of the left cable 71 and the right cable 72 may be combined together such that the cable 7 forms a Y-shaped structure, and the distal ends of the left cable 71 and the right cable 72 are electrically connected to the proximal end of the plug connector 6. The proximal end of the left cable 71 is connected with the distal end of the left handle assembly 1, and the left cable 71 extends to the inside of the left handle assembly 1 to be electrically connected with the left support bar 13 or the discharging circuit; the proximal end of the right cable 72 is connected to the distal end of the right handle assembly 3, and the right cable 72 extends to the inside of the right handle assembly 3 to be electrically connected to the right support rod 33 or the discharging circuit. The left cable 71 and the right cable 72 are also used to transmit high voltage impact energy and discharge signals.

The proximal end of the left cable 71 may be integrally formed with the distal end of the left handle assembly 1, and the distal end of the left cable 71 may be integrally formed with the proximal end of the plug connector 6; the proximal end of the right cable 72 may be integrally formed with the distal end of the right handle assembly 3, and the distal end of the right cable 72 may be integrally formed with the proximal end of the plug connector 6; the both ends of left cable 71 and right cable 72 all adopt integrated into one piece to set up, can improve the connection stability of left cable 71 and right cable 72, need not to dismantle simultaneously, more facilitate the use.

In other embodiments, the proximal end of the left cable 71 may be removably connected to the distal end of the left handle assembly 1, or the distal end of the left cable 71 may be removably connected to the proximal end of the plug connector 6; the proximal end of the right cable 72 may be detachably connected to the distal end of the right handle assembly 3, or the distal end of the right cable 72 may be detachably connected to the proximal end of the plug connector 6. The provision of the detachable connection enables the left cable 71 and the right cable 72 to be detachably housed.

Referring to fig. 12 and 13, in one embodiment, taking the discharge button 5 disposed on the right handle assembly 3 as an example, the in-vivo defibrillation electrode plate works as follows:

the left hand of the operator holds the left handle assembly 1 and the right hand holds the right handle assembly 3; after the operator clamps the heart, confirming that defibrillation discharge can be performed; the thumb of the right hand can trigger the internal control switch 53 by pressing the discharging button 5 on the right handle assembly 3, the control switch 53 is connected with the right cable 72 to form a loop, a discharging signal is returned to the host computer of the defibrillator, the host computer of the defibrillator executes a discharging action, and the host computer of the defibrillator transmits defibrillation energy (high-voltage energy) to the heart through the right electrode 42 to complete defibrillation discharging.

The foregoing description of the utility model has been presented for purposes of illustration and description, and is not intended to be limiting. Several simple deductions, modifications or substitutions may also be made by a person skilled in the art to which the utility model pertains, based on the idea of the utility model.

Claims (25)

1. An in-vivo defibrillation electrode plate is characterized by comprising a left handle component, a right handle component, a left electrode component and a right electrode component;

the distal end of the left electrode assembly is non-detachably secured to the proximal end of the left handle assembly, and the distal end of the right electrode assembly is non-detachably secured to the proximal end of the right handle assembly; the left and right handle assemblies are respectively for grasping by an operator, a proximal end of the left and right electrode assemblies are for grasping a heart, one of the left and right electrode assemblies is for delivering defibrillation energy to the heart, and the other of the left and right electrode assemblies is for receiving the defibrillation energy through the heart.

2. The in-vivo defibrillation electrode pad of claim 1, wherein the distal end of the left electrode assembly is non-detachably secured to the proximal end of the left handle assembly comprises: the left electrode assembly and the left handle assembly are integrally formed; the distal end of the right electrode assembly is non-detachably secured to the proximal end of the right handle assembly including: the right electrode assembly and the right handle assembly are integrally formed.

3. The in-vivo defibrillation electrode plate of claim 2, wherein the integral molding comprises one of assembly-securing molding, welding molding, integral injection molding, and integral machining molding.

4. The in-vivo defibrillation electrode plate of claim 1 wherein the left handle assembly comprises a left inner die, the distal end of the left electrode assembly being non-detachably secured to the proximal end of the left inner die; the right handle assembly includes a right inner die, and a distal end of the right electrode assembly is non-detachably secured to a proximal end of the right inner die.

5. The in-vivo defibrillation electrode plate of claim 4 wherein the left handle assembly further comprises a left outer mold that partially or completely encases the left inner mold; the right handle assembly further includes a right outer mold that partially or completely encloses the right inner mold.

6. The in-vivo defibrillation electrode plate of claim 5 wherein the proximal end of the left outer mold completely wraps around the proximal end of the left inner mold and the proximal end of the right outer mold completely wraps around the proximal end of the right inner mold.

7. The in-vivo defibrillation electrode plate of claim 5 wherein the left and right inner dies are rigid insulating structures; and/or, the left outer die and the right outer die are flexible insulating structures.

8. The in-vivo defibrillation electrode plate of claim 4 or 5, wherein the left handle assembly further comprises a left support rod, the distal end of the left electrode assembly being non-detachably secured to the proximal end of the left support rod, the left inner mold wrapping the left support rod; the right handle assembly comprises a right support rod, the distal end of the right electrode assembly is non-detachably fixed at the proximal end of the right support rod, and the right inner mold wraps the right support rod.

9. The in-vivo defibrillation electrode plate of claim 8 wherein the left and right support rods each comprise first and second axially connected rods, the first rod having an outer diameter greater than or equal to the outer diameter of the second rod, the second rod being a hollow rod, the distal ends of the left and right electrode assemblies being respectively inserted and secured within the second rod.

10. The in-vivo defibrillation electrode pad of claim 8 wherein the left and right support bars are conductive structures.

11. The in-vivo defibrillation electrode plate of claim 1, wherein the left electrode assembly comprises a left connecting rod and a left electrode, a distal end of the left connecting rod being detachably fixedly connected to the left handle assembly, a proximal end of the left connecting rod being connected to the left electrode; the right electrode assembly comprises a right connecting rod and a right electrode, wherein the far end of the right connecting rod is fixedly connected with the right handle assembly in a detachable mode, and the near end of the right connecting rod is connected with the right electrode.

12. The in-vivo defibrillation electrode pad of claim 11, wherein the left connecting rod and the left electrode are integrally formed and/or the right connecting rod and the right electrode are integrally formed.

13. The in-vivo defibrillation electrode pad of claim 11 wherein the left connecting bar, the left electrode, the right connecting bar, and the right electrode are all conductive structures; the left connecting rod, the left electrode, the right connecting rod and the outer side of the right electrode are all provided with insulating layers, the left electrode and the right electrode are all provided with conducting surfaces, and the insulating layers cover areas outside the conducting surfaces on the left electrode and the right electrode.

14. The in-vivo defibrillation electrode pad of claim 1, wherein the distal end of the left handle assembly is bent and disposed and/or the distal end of the right handle assembly is bent and disposed.

15. The in-vivo defibrillation electrode pad of claim 14 wherein the left handle assembly is bent along a first axis and the right handle assembly is bent along a second axis, both the first axis and the second axis being parallel to a direction in which the heart is clamped.

16. The in-vivo defibrillation electrode pad of claim 14 wherein the distal end of the left handle assembly is bent at an angle of 90 ° to 165 ° relative to the proximal end and the distal end of the right handle assembly is bent at an angle of 90 ° to 165 ° relative to the proximal end.

17. The in-vivo defibrillation electrode pad of claim 14 wherein the distal end of the left handle assembly has a distal outer side and a distal inner side that are bent relative to the proximal end, the distal end of the right handle assembly has a distal outer side and a distal inner side that are bent relative to the proximal end, and the distal outer side of the left handle assembly or the distal outer side of the right handle assembly is provided with a discharge button.

18. The in-vivo defibrillation electrode pad of claim 5, wherein the left or right handle assembly further comprises a discharge button and a discharge circuit, the discharge button being electrically connected to the left or right electrode assembly by the discharge circuit, the discharge button for controlling the left or right electrode assembly to deliver defibrillation energy to the heart; the left internal mold or the right internal mold wraps the discharging key and the discharging circuit.

19. The in-vivo defibrillation electrode pad of claim 18 wherein the discharge button is located at a distal end of the left handle assembly or the right handle assembly.

20. The in-vivo defibrillation electrode pad of claim 18 wherein the discharge button comprises a key cap, a key body, and a control switch, at least a portion of the key body being disposed within the key cap, the key cap and the key body being movable together with respect to the control switch to trigger the control switch, the control switch being coupled to the discharge circuit and configured to control the left electrode assembly or the right electrode assembly to deliver defibrillation energy to the heart; part or all of the keycap exposes the left handle assembly or the right handle assembly.

21. The in-vivo defibrillation electrode pad of claim 20 wherein the discharge button further comprises a switch mount having a mounting cavity therethrough, a portion of the key body being located at an upper end of the mounting cavity, the control switch being located at a lower end of the mounting cavity; the switch fixing piece is in sealing connection with the keycap.

22. The in-vivo defibrillation electrode pad of claim 21 wherein the discharge button further comprises a protective housing disposed outside the key body and sealingly connected to the key cap; the protective shell has an upper surface located at the periphery of the key cap, and at least part of the left outer mold or the right outer mold covers the upper surface.

23. The in-vivo defibrillation electrode pad of claim 22, wherein a sealing structure is provided between the mounting cavity and the control switch, and/or a sealing structure is provided between the protective housing and the switch mount; the sealing structure is a part of the left inner mold or the right inner mold, or the sealing structure is a structure independent from the left inner mold or the right inner mold.

24. The in-vivo defibrillation electrode pad of claim 1 further comprising a plug connector and a cable, the plug connector being electrically connected to the left and right handle assemblies by the cable.

25. The in-vivo defibrillation electrode pad of claim 24 wherein the cable is integrally formed with or removably connected to the left and right handle assemblies.

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