CN213724418U

CN213724418U - Multi-electrode type cardiac pacing electrode

Info

Publication number: CN213724418U
Application number: CN202022577290.XU
Authority: CN
Inventors: 李世峰; 李德林; 贺月红
Original assignee: Guihang Guiyang Hospital
Current assignee: Guihang Guiyang Hospital
Priority date: 2020-11-10
Filing date: 2020-11-10
Publication date: 2021-07-20
Anticipated expiration: 2030-11-10

Abstract

The utility model provides a multi-electrode formula cardiac pacing electrode, including effect electrode and return circuit electrode, the structure of effect electrode and return circuit electrode is the same, the effect electrode includes the shell, central electrode board, a plurality of marginal electrode boards and conductive metal ring, first mounting groove has been seted up to the inside centre of shell, a plurality of second mounting grooves have been seted up to shell inside around the first mounting groove, central electrode installs inside first mounting groove, marginal electrode installs inside the second mounting groove, conductive metal ring sets up at central electrode board upside, be provided with central contact in the middle of the conductive metal ring, through many conductive connecting rod fixed connection between central contact and the conductive metal ring, the shell up end is provided with the back lid, be provided with power source in the middle of the back lid, compared with the prior art, the utility model discloses following beneficial effect has: simple structure and convenient use.

Description

Multi-electrode type cardiac pacing electrode

Technical Field

The utility model relates to a multi-electrode type cardiac pacing electrode, which belongs to the technical field of medical equipment.

Background

When the external pacing mode is used for treatment or emergency treatment, two poles of the electrodes are needed to be respectively attached to the front chest and the back which are opposite to the heart of a patient. The electrodes used in the prior art are a pair of electrodes. It is known that the current density between two electrodes is inversely proportional to the electrode pad area and directly proportional to the magnitude of the applied current. Usually, for effective pacing, a certain pacing current threshold needs to be exceeded, and due to individual differences, the required effective pacing current thresholds are different, and the pain sensation caused by the pacing current to the patient is different. Generally, when the pacing current required is large, the skin of the patient has a large pain feeling under the same electrode condition, and in order to reduce the pain feeling, the conventional method is to reduce the pain feeling to the skin and increase the current density applied to the cardiac muscle by using a multi-electrode type. But the structure is complex and the use is inconvenient. Therefore, the utility model provides a multi-electrode type cardiac pacing electrode to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a multi-electrode type cardiac pacing electrode, which solves the problem of the prior art by increasing a central electrode plate, a plurality of edge electrode plates and a conductive metal ring.

In order to achieve the above purpose, the present invention is realized by the following technical solution: the utility model provides a multi-electrode formula cardiac pacing electrode, includes action electrode and return circuit electrode, the structure of action electrode and return circuit electrode is the same, the action electrode includes shell, central plate electrode, a plurality of marginal plate electrode and electrically conductive metal ring, first mounting groove has been seted up to the inside centre of shell, a plurality of second mounting grooves have been seted up to shell around the first mounting groove inside, the central electrode is installed inside first mounting groove, marginal electrode installs inside the second mounting groove, electrically conductive metal ring sets up at central plate electrode upside, be provided with central contact in the middle of the electrically conductive metal ring, through many electrically conductive connecting rod fixed connection between central contact and the electrically conductive metal ring, the shell up end is provided with the back lid, be provided with power source in the middle of the back lid.

Further, the periphery of the central electrode plate and the edge electrode plate is provided with a clamping edge, the central electrode plate and the edge electrode plate are respectively clamped inside the first mounting groove and the second mounting groove through the clamping edge, and the lower end faces of the central electrode plate and the edge electrode plate protrude out of the lower end face of the shell.

Furthermore, a plurality of edge contacts are arranged on the lower end face of the conductive metal ring, and the edge contacts and the edge electrode plates are in the same one-to-one correspondence in number.

Furthermore, the lower end face of the central contact is in contact with the central electrode plate, and the power interface is electrically connected with the central contact.

Furthermore, an insulating positioning pin is fixed on each edge electrode plate, a thread groove is formed in the position, corresponding to the insulating positioning pin, of the upper end face of the rear cover, and the thread groove and the positioning pin are connected together through a screw.

Furthermore, a wiring groove is formed in the upper end face of the rear cover, and the length of the wiring groove is from the power supply interface to the edge of the shell.

The utility model has the advantages that: the utility model discloses a multi-electrode formula cardiac pacing electrode, through increasing central plate electrode, a plurality of marginal plate electrodes and conductive metal ring, terminal surface under the lower terminal surface protrusion shell of central plate electrode and marginal plate electrode, make central plate electrode and marginal plate electrode patient skin fully contact, terminal surface is provided with a plurality of edge contacts under the conductive metal ring, the same one-to-one of edge contact and marginal plate electrode quantity, terminal surface and central plate electrode contact under the central contact, power interface and central contact electricity are connected, power interface switch on, electric current conducts central plate electrode and conductive metal ring from central contact, later conductive metal ring conducts the marginal plate electrode with the electric current through the edge contact, thereby it is human to act on, in the time of in-service use, more be fit for being applied to medical equipment technical field.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a front view of a multi-electrode cardiac pacing electrode of the present invention;

fig. 2 is a bottom view of an action electrode of a multi-electrode cardiac pacing electrode of the present invention;

FIG. 3 is a top view of an active electrode of a multi-electrode cardiac pacing electrode of the present invention;

FIG. 4 is a top view of the multi-electrode cardiac pacing electrode of the present invention with the back cover removed;

in the figure: 1-action electrode, 2-edge electrode plate, 3-loop electrode, 4-shell, 5-center electrode plate, 6-back cover, 7-thread groove, 8-screw, 9-power interface, 10-wiring groove, 11-conductive metal ring, 12-conductive connecting rod, 13-center contact, 14-first mounting groove, and 15-second mounting groove.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a multi-electrode formula cardiac pacing electrode, including effect electrode 1 and return circuit electrode 3, effect electrode 1 is the same with return circuit electrode 3's structure, effect electrode 1 includes shell 4, central electrode board 5, a plurality of marginal electrode boards 2 and electrically conductive metal ring 11, first mounting groove 14 has been seted up to the inside centre of shell 4, a plurality of second mounting grooves 15 have been seted up to shell 4 inside around the first mounting groove 14, central electrode installs inside first mounting groove 14, marginal electrode installs inside second mounting groove 15, electrically conductive metal ring 11 sets up at central electrode board 5 upside, be provided with central contact 13 in the middle of electrically conductive metal ring 11, through many electrically conductive connecting rod 12 fixed connection between central contact 13 and the electrically conductive metal ring 11, shell 4 up end is provided with back lid 6, be provided with power source 9 in the middle of back lid 6.

The peripheries of the central electrode plate 5 and the edge electrode plate 2 are respectively provided with clamping edges, the central electrode plate 5 and the edge electrode plate 2 are respectively clamped inside the first mounting groove 14 and the second mounting groove 15 through the clamping edges, the lower end faces of the central electrode plate 5 and the edge electrode plate 2 protrude out of the lower end face of the shell 4, so that the central electrode plate 5 and the edge electrode plate 2 can be fully contacted with the skin of a patient, the lower end face of the conductive metal ring 11 is provided with a plurality of edge contacts, the edge contacts and the edge electrode plates 2 are in the same number and are in one-to-one correspondence, the lower end face of the central contact 13 is contacted with the central electrode plate 5, the power interface 9 is electrically connected with the central contact 13, the edge electrode plate 2 is respectively fixed with an insulating positioning pin, the upper end face of the rear cover 6 is provided with a thread groove 7 corresponding to the insulating positioning pin, the thread groove 7 is connected with the positioning pin through a screw 8, the upper end face of the rear cover 6 is provided with a wiring groove 10, the wires can be placed inside the cabling channel 10 so that the electrodes can be laid flat, the length of the cabling channel 10 running from the power interface 9 to the edge of the housing 4.

As an embodiment of the present invention: the circuit electrode 3 is attached to the back position which is opposite to the heart of a patient, the action electrode 1 is attached to the front chest which is opposite to the heart of the patient, the power supply interface 9 of the circuit electrode 3 is connected with the input end of the external source high-frequency electrotome through a lead, the power supply interface 9 of the action electrode 1 is connected with the output end of the external source high-frequency electrotome through a lead, the cardiac pacing operation is carried out on the patient by controlling the opening and closing of the external source high-frequency electrotome, and the action electrode 1 and the circuit electrode 3 are simple in structure and convenient to use.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A multi-electrode cardiac pacing electrode, comprising an action electrode and a return electrode, characterized in that: the utility model discloses a power source, including shell, central electrode plate, a plurality of marginal electrode plate and conductive metal ring, the structure of effect electrode and return circuit electrode is the same, the effect electrode includes shell, central electrode plate, a plurality of marginal electrode plate and conductive metal ring, first mounting groove has been seted up to the inside centre of shell around the first mounting groove, central electrode installs inside first mounting groove, marginal electrode installs inside the second mounting groove, conductive metal ring sets up at central electrode plate upside, conductive metal ring centre is provided with central contact, through many conductive connecting rod fixed connection between central contact and the conductive metal ring, the shell up end is provided with the back lid, be provided with power source in the middle of the back lid.

2. A multi-electrode cardiac pacing electrode according to claim 1, wherein: the peripheral card limit that all is provided with of central plate electrode and marginal plate electrode, central plate electrode and marginal plate electrode pass through the card limit respectively to be established inside first mounting groove and second mounting groove, the lower terminal surface of central plate electrode and marginal plate electrode protrudes terminal surface under the shell.

3. A multi-electrode cardiac pacing electrode according to claim 1, wherein: the lower end face of the conductive metal ring is provided with a plurality of edge contacts, and the edge contacts correspond to the edge electrode plates in the same number one by one.

4. A multi-electrode cardiac pacing electrode according to claim 1, wherein: the lower end face of the central contact is in contact with the central electrode plate, and the power interface is electrically connected with the central contact.

5. A multi-electrode cardiac pacing electrode according to claim 1, wherein: and the edge electrode plates are respectively fixed with an insulating positioning pin, the upper end face of the rear cover is provided with a thread groove corresponding to the position of the insulating positioning pin, and the thread groove and the positioning pin are connected together through screws.

6. A multi-electrode cardiac pacing electrode according to claim 1, wherein: the upper end face of the rear cover is provided with a wiring groove, and the length of the wiring groove is from the power supply interface to the edge of the shell.