CN211432902U

CN211432902U - Intracavitary electrocardiogram lead device

Info

Publication number: CN211432902U
Application number: CN201922400071.1U
Authority: CN
Inventors: 何骄; 郭玲
Original assignee: Sichuan Cancer Hospital
Current assignee: Sichuan Cancer Hospital
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-09-08
Anticipated expiration: 2029-12-27

Abstract

The utility model relates to an intracavitary ECG lead device, which comprises a wire, an electric clamp and a connecting part, wherein the electric clamp is used for clamping a central venous catheter or a guide wire, the connecting part comprises a conductive bulge and a base for installing the conductive bulge, one end of the wire is connected with the electric clamp, the other end of the wire is connected with the base and is electrically connected with the conductive bulge, and the conductive bulge is matched with a conductive groove in the end of a lead wire of an ECG monitor; the utility model provides an intracavitary heart electricity connector, compact structure, reasonable in design, realization ECG monitor lead wire head end and the electricity of central venous catheter or seal wire that can be convenient, firm are connected stably, are favorable to improving signal quality.

Description

Intracavitary electrocardiogram lead device

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to intracavitary electrocardio lead ware.

Background

In hospitals, after a central venous catheterization procedure is completed, X-ray catheter tip positioning is typically required to confirm that the catheter tip is in the correct position; if the catheter is found to be out of position by X-ray examination, the adjustment needs to be performed again, which not only increases the economic and labor cost, but also has the risk of infection. In recent years, more and more scholars study the application of the intracavitary electrocardiogram technology in the central venous catheterization, namely, a central venous catheter or a guide wire is connected with an electrocardiogram monitor through an electrocardiogram lead wire, and the optimal catheter tip position is determined by observing the characteristic P wave change; the fact proves that the method can effectively improve the safety and the accuracy of the positioning of the catheter tip in various central venous catheterization operations, and is widely applied in clinic at present.

In the prior art, an electrocardiogram lead wire is generally composed of a lead wire and crocodile clips arranged at two ends of the lead wire, and in the process of placing the lead wire, the crocodile clip at one end of the electrocardiogram lead wire is required to be clamped at the lead wire head end (RA lead wire head end) of an electrocardiogram monitor, and the crocodile clip at the other end of the electrocardiogram lead wire is required to be clamped on a central venous catheter or a lead wire, so that intracavitary electrocardiogram lead is realized; for the protruding looks adaptation on being convenient for with the electrode slice, current ECG monitor line head end of leading is provided with the electrically conductive groove of electrically conductive flute shape usually, as shown in attached figure 1 for alligator clip and line head end of leading mismatch very much, the realization electricity of being very inconvenient to realize is connected, even if realized electrically connecting, also have the firm, the poor stability scheduling problem of connecting portion, the urgent need to improve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to improve the not enough that exists among the prior art, provide an intracavity heart electricity connector, compact structure, reasonable in design can make things convenient for, firm realization ECG monitor line head end and the electricity of central venous catheter or seal wire is connected, and connection stability is good, is favorable to improving signal quality.

The utility model adopts the technical proposal that:

the utility model provides an intracavitary electrocardio lead ware, includes wire, electricity clamp and connecting portion, the electricity clamp is used for centre gripping central venous catheter or seal wire, connecting portion include electrically conductive protruding and be used for installing electrically conductive bellied base, the one end of wire with the electricity clamp links to each other, the other end with the base links to each other, and with electrically conductive protruding electricity is connected, electrically conductive protruding and the electrically conductive groove looks adaptation in the ECG monitor lead wire head end. In the scheme, the connecting part is provided with the conductive bulge which is matched with the conductive groove in the end of the lead wire of the ECG monitor, so that the connecting part is matched with the end of the lead wire of the ECG monitor; when the device is used, the connecting part in the intracavitary ECG monitor lead wire head end can be conveniently connected by utilizing the connecting part in the intracavitary ECG monitor lead wire device, and the conductive protrusion can be inserted into the corresponding conductive groove, so that the tight connection between the intracavitary ECG monitor lead wire device and the lead wire head end can be conveniently and reliably realized, the connection stability can be favorably improved, the other end can be conveniently clamped on a central venous catheter or a guide wire, the intracavitary ECG lead can be realized, and the defects in the prior art can be effectively avoided.

Preferably, the conductive protrusion is a columnar structure. So as to be inserted or clamped into the conductive groove in the head end of the lead wire of the ECG monitor.

Further, the conductive protrusion is of a cylindrical structure, or the conductive protrusion includes a first conductive portion of a cylindrical structure, and a second conductive portion that is disposed at an end of the first conductive portion and is of a semicircular structure, a semi-elliptical structure, or a butterfly structure. More convenient to be matched with the conductive groove in the head end of the lead wire of the ECG monitor.

Preferably, the base and the lead are of an integral structure. Is convenient for manufacturing and molding.

In order to firmly and stably connect the connection part with the lead wire head end of the ECG monitor, the connection part further comprises a locking mechanism which is used for detachably locking the lead wire head end of the ECG monitor. The connection part is firmly fixed at the end of the lead wire of the ECG monitor, and the connection part is convenient to detach so as to realize detachable connection.

Preferably, locking mechanism includes first retaining member and second retaining member, first retaining member is fixed in the base, the second retaining member is connected in first retaining member through detachable and is led the line head end locking with ECG monitor between first retaining member and second retaining member. In this scheme, when utilizing connecting portion to connect ECG monitor line head end, will electrically conduct the arch and insert the electrically conductive groove of ECG monitor line head end and realize the electricity connection back, through the cooperation of first retaining member and second retaining member, can press from both sides the tight between first retaining member and second retaining member with ECG monitor line head end clamp, realize the locking to ECG monitor line head end to be favorable to ECG monitor line head end and this intracavity ECG lead the connection of ware more firm, stable.

Preferably, the first locking piece is a hair surface of a magic tape, and the second locking piece is a hook surface of the magic tape; or, first retaining member is the hook face of magic subsides, the second retaining member is the hair side of magic subsides. Utilize the magic to paste the cooperation of hair side and collude the face, not only can realize dismantling the connection, can lead the line head end parcel and press from both sides tightly between first retaining member and second retaining member with ECG monitor moreover, realize leading the locking function of line head end to ECG monitor.

Preferably, first retaining member and second retaining member are strip structure, just the base is fixed in the intermediate position department of first retaining member, and first retaining member links to each other with the one end of second retaining member. Is more convenient to use.

Furthermore, first retaining member is the supporter that hard material made, the one end of second retaining member with the supporter links to each other, the other end through can dismantling the connecting piece with the supporter links to each other. So as to wrap and clamp the head end of the lead wire of the ECG monitor between the first locking part and the second locking part, and realize the locking function of the head end of the lead wire of the ECG monitor.

Preferably, the detachable connecting piece is a magic tape, a snap fastener or a hasp. So as to achieve a detachable connection.

Preferably, the second locking member is a cloth belt, a rubber belt, a plastic plate, or the like.

Preferably, the second locking piece is an elastic band, one end of the elastic band is fixed on the support body, and the other end of the elastic band is connected with the support body through a detachable connecting piece. Through setting up the elastic cord, utilize the elasticity of elastic cord can be better for ECG monitor line head end provides the locking force.

Preferably, the electric clamp is an alligator clamp.

In order to further facilitate clamping, the electric clamp comprises two clamping parts which are hinged with each other, each clamping part comprises a clamping head and a handheld part connected with the clamping heads, at least one clamping head is an electric conductor, and an elastic part is arranged between the two clamping parts and used for providing clamping force for the two clamping heads; the inner side surfaces of the two clamping heads are planes, or the inner side surfaces of the two clamping heads are planes, and anti-skid lines are arranged on the planes. In the scheme, the inner side surface of the clamping head is designed to be a plane, so that a central venous catheter or a guide wire with a smaller diameter can be clamped more conveniently, and the electric conduction is facilitated; and through setting up anti-skidding line, can further play anti-skidding effect, the pipe or the seal wire aversion of anti-skidding by the centre gripping to realize stable electricity and connect.

Preferably, the elastic member is a torsion spring.

Preferably, the anti-slip lines are toothed lines. By adopting the dentate lines, the central venous catheter or the guide wire with smaller diameter can be effectively clamped, and the falling off in the use process is prevented, so that the stable electric connection is realized.

Compared with the prior art, use the utility model provides a pair of intracavity electrocardio leads ware, compact structure, reasonable in design can be convenient, firm realization ECG monitor line head end and the electricity of central venous catheter or seal wire are connected, and connection stability is good, is favorable to improving signal quality.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural view of a lead wire end of a conventional electrocardiographic monitor.

Fig. 2 is a schematic structural diagram of an intracavitary electrocardiograph lead device provided in embodiment 1 of the present invention.

Fig. 3 is a partial cross-sectional view of fig. 2.

Fig. 4 is another partial cross-sectional view of fig. 2.

Fig. 5 is a schematic structural diagram of a connecting portion in an intracavitary electrical coupler provided in embodiment 2 of the present invention.

Fig. 6 is a schematic structural view of the intracavitary electrocardiograph lead device shown in fig. 5 connected with the head end of a lead wire of an electrocardiograph monitor.

Fig. 7 is a schematic structural diagram of another connecting portion in the intracavitary electrocardiograph lead device provided in embodiment 2 of the present invention.

Fig. 8 is a schematic structural view of an electrical clip in an intracavitary electrical coupler provided in embodiment 3 of the present invention.

Description of the drawings

A lead wire 100,

Electric clamp 200, clamping part 201, hinge column 202, clamping head 203, handheld part 204, insulating shell 205, inner side surface 206, toothed texture 207, and,

Connecting part 300, base 301, conductive bump 302, first locking part 303, second locking part 304, detachable connecting part 305, first conductive part 306, second conductive part 307,

A lead wire head end 400 of the ECG monitor, a conductive groove 401,

A catheter or guidewire 500.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 2 to 4, in the present embodiment, an intracavitary electrocardiograph lead device is provided, which includes a conducting wire 100, an electrical clip 200 and a connecting portion 300, where the electrical clip 200 is used to clip a central venous catheter or a guide wire 500, the connecting portion 300 includes a conductive protrusion 302 and a base 301 for mounting the conductive protrusion 302, one end of the conducting wire 100 is connected to the electrical clip 200, the other end is connected to the base 301 and electrically connected to the conductive protrusion 302, and the conductive protrusion 302 is adapted to a conductive groove 401 in a leading end 400 of a lead wire of an electrocardiograph monitor. In the scheme, the connecting part 300 is provided with the conductive protrusion 302, and the conductive protrusion 302 is matched with the conductive groove 401 in the lead wire head end 400 of the ECG monitor, so that the connecting part 300 is matched with the lead wire head end 400 of the ECG monitor; when the connector is used, the connecting part 300 in the intracavitary ECG monitor lead wire head end 400 can be conveniently connected, the conductive protrusion 302 can be inserted into the corresponding conductive groove 401, the tight connection between the intracavitary ECG monitor lead wire head end and the lead wire head end can be conveniently and reliably realized, the connection stability can be improved, the other end can be conveniently clamped on the central venous catheter or the guide wire 500, the intracavitary ECG lead can be realized, and the defects in the prior art can be effectively avoided.

It is understood that in this embodiment, the lead 100 may be a conventional lead 100, and the electrical clip 200 may be a conductive clip 200 commonly used in the art, such as an alligator clip, and will not be described herein.

It can be understood that the conductive protrusion 302 can be implemented in various ways, and only needs to be inserted into the conductive groove 401 of the lead wire head end 400 of the electrocardiograph monitor to realize the electrical conduction; preferably, the conductive bump 302 may have a columnar structure; for insertion into the conductive slot 401 in the ecg lead wire tip 400. As shown in fig. 2 and 3, the conductive bump 302 may be a cylindrical structure or a cylindrical structure, for example; as another example, the conductive protrusion 302 includes a first conductive portion 306 having a cylindrical structure and a second conductive portion 307 having a semicircular structure, a semi-elliptical structure or a butterfly structure and disposed at an end of the first conductive portion 306, as shown in fig. 4, which is beneficial to the smooth structure of the conductive protrusion 302 and is convenient for being matched with the conductive slot 401 in the lead terminal 400 of the electrocardiograph monitor.

In this embodiment, the base 301 is disposed for insulation on one hand and fixing the conductive bump 302 on the other hand, and in this embodiment, the base 301 and the conductive wire 100 may be an integral structure, and made of rubber, which is convenient for manufacturing and molding.

The base 301 may have various shapes and structures, for example, in the embodiment, the base 301 has a cylindrical structure, as shown in fig. 2 and fig. 3, it can be understood that the base 301 with other structures, such as an L-shaped structure, as shown in fig. 4, can also achieve the same effect, and is not illustrated here.

Example 2

In order to firmly and stably connect the connection portion 300 to the lead wire head 400 of the electrocardiograph monitor, in the intracavitary electrocardiograph lead device provided in this embodiment, the connection portion 300 further includes a locking mechanism, and the locking mechanism is used for detachably locking the lead wire head 400 of the electrocardiograph monitor. The connection part 300 is firmly fixed on the lead wire head end 400 of the ECG monitor, and is convenient to detach so as to realize detachable connection.

For the convenience of connection, in a preferred scheme, the locking mechanism comprises a first locking member 303 and a second locking member 304, the first locking member 303 is fixed on the base 301, and the second locking member 304 locks the ECG monitor lead wire head end 400 between the first locking member 303 and the second locking member 304 through being detachably connected to the first locking member 303. In this scheme, when utilizing connecting portion 300 to connect ECG monitor lead wire head end 400, realize the electricity back in the electrically conductive groove 401 of inserting ECG monitor lead wire head end 400 with electrically conductive protruding 302, through the cooperation of first retaining member 303 with second retaining member 304, can press from both sides the ECG monitor lead wire head end 400 tightly between first retaining member 303 and second retaining member 304, realize the locking to ECG monitor lead wire head end 400, thereby be favorable to ECG monitor lead wire head end 400 and this intracavity ECG monitor lead wire head end 400 be connected more firmly, stably.

The first locking member 303 and the second locking member 304 can be implemented in various ways, for example, the first locking member 303 is a hair surface of a magic tape, and the second locking member 304 is a hook surface of the magic tape; or, the first locking member 303 is a hook surface of a magic tape, and the second locking member 304 is a hair surface of the magic tape; as shown in fig. 5, the matching of the hair surface and the hook surface in the magic tape can be utilized to realize the detachable connection, and the lead wire head end 400 of the electrocardiograph monitor can be wrapped and clamped between the first locking member 303 and the second locking member 304, as shown in fig. 6, the locking function of the lead wire head end 400 of the electrocardiograph monitor can be realized. As shown in fig. 5, in this embodiment, the first locking member 303 and the second locking member 304 are both in a bar-shaped structure, the base 301 is fixed at a middle position of the first locking member 303, and the first locking member 303 is connected to one end of the second locking member 304; is more convenient to use.

As another example, the first locking member 303 is a support body made of a hard material, that is, the support body has a predetermined rigidity and is easily deformed; one end of the second locking member 304 is connected to the support body, and the other end is connected to the support body through a detachable connecting member 305. So as to wrap and clamp the ECG monitor lead wire head end 400 between the first locking member 303 and the second locking member 304, and realize the locking function of the ECG monitor lead wire head end 400.

Preferably, the detachable connection member 305 may be a hook and loop fastener, a snap fastener, or a hasp, so as to realize the detachable connection. As an example, as shown in fig. 7, the detachable connecting member 305 is a hook and loop fastener, a hook surface or a hook surface of the hook and loop fastener is disposed on the supporting body, and a hook surface or a hook surface adapted to the hook and loop fastener is disposed at one end of the second locking member 304, so as to achieve detachable connection.

It is understood that the second locking member 304 can be a flexible cloth strap, a rubber strap, a plastic strap, etc., or a rigid connecting plate, such as a plastic plate, etc.

In order to better restrain and lock the lead wire end 400 of the electrocardiograph monitor, in a further aspect, the second locking member 304 may be an elastic band, one end of the elastic band is fixed to the support body, and the other end of the elastic band is connected to the support body through a detachable connecting member 305. Through setting up the elastic cord, utilize the elasticity of elastic cord can be better for ECG monitor line head end 400 provides the locking force.

Example 3

The main difference between this embodiment 3 and the above embodiment 2 is that in the intracavitary electrical coupler provided in this embodiment, the electrical clamp 200 includes two clamping portions 201 hinged to each other, and the hinge can be implemented by using the existing hinge technology, for example, the two clamping portions 201 can be hinged by at least one hinge pillar 202, as shown in fig. 2 or fig. 8 by way of example, in this embodiment, the two clamping portions 201 are hinged by the cooperation of one hinge pillar 202 and the hinge hole;

the clamping parts 201 comprise clamping heads 203 and a handheld part 204 connected with the clamping heads 203, the handheld part 204 can be provided with an insulating shell 205, at least one clamping head 203 is an electric conductor so as to be conductive, and an elastic part is arranged between the two clamping parts 201 and is used for providing clamping force for the two clamping heads 203; the inner side surfaces 206 of the two clamping heads 203 are planes, and in the scheme, the inner side surfaces 206 of the clamping heads 203 are designed to be planes, so that a central venous catheter or guide wire 500 with a smaller diameter can be clamped conveniently, and the electric conduction is facilitated.

In a further aspect, the plane is provided with anti-slip lines, as shown in fig. 8, by providing the anti-slip lines, an anti-slip effect can be further achieved, and the anti-slip catheter or guide wire 500 is displaced so as to achieve stable electrical connection.

For example, in one embodiment, the two clamping portions 201 are made of a metal conductive material and are both conductive, the anti-slip pattern may be a tooth-shaped pattern 207, as shown in fig. 8, the tooth-shaped pattern 207 is formed by a plurality of mutually parallel protrusions or grooves, and can effectively clamp the central venous catheter or guide wire 500 with a smaller diameter, so as to prevent the central venous catheter or guide wire from falling off during use, and thus, a stable electrical connection is achieved.

In this embodiment, the handheld portion 204 is used for pressing or holding, the elastic component is used for providing a clamping force for the two clamping heads 203, so that the two clamping heads 203 can be closed and compressed, preferably, the elastic component may be a torsion spring, the torsion spring may be sleeved on the hinge post 202 so as to provide the clamping force, and the torsion spring may not be sleeved on the hinge post 202, for example, when a torsion spring with a U-shaped structure or a V-shaped structure is adopted, it is not described here again.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an intracavitary electrocardio lead ware which characterized in that, includes wire, electricity clamp and connecting portion, the electricity clamp is used for centre gripping central venous catheter or seal wire, connecting portion include electrically conductive protruding and be used for installing electrically conductive bellied base, the one end of wire with the electricity clamp links to each other, the other end with the base links to each other to be connected with electrically conductive protruding electricity, electrically conductive protruding and the electrically conductive groove looks adaptation in the ECG monitor lead line head end.

2. The endoluminal cardiac lead applicator according to claim 1, wherein the conductive protrusion is a columnar structure.

3. The intracavitary electrocardiograph lead according to claim 1, wherein the conductive bump is a cylindrical structure, or the conductive bump comprises a first conductive part with a cylindrical structure and a second conductive part with a semicircular structure, a semi-elliptical structure or a butterfly structure, and is disposed at an end of the first conductive part.

4. The intracavitary electrocardiograph lead of claims 1-3 further comprising a locking mechanism comprising a first locking member and a second locking member, wherein the first locking member is affixed to the base and the second locking member is removably attached to the first locking member to lock the lead end of the electrocardiograph monitor between the first locking member and the second locking member.

5. The intracavitary electrical coupler of claim 4, wherein said first retaining member is a hook surface of a hook and loop fastener, and said second retaining member is a hook surface of a hook and loop fastener; or, first retaining member is the hook face of magic subsides, the second retaining member is the hair side of magic subsides.

6. The intracavitary electrical lead connector of claim 4, wherein said first retaining member is a support body made of a hard material, and said second retaining member is connected at one end to said support body and at the other end to said support body by a detachable connector.

7. The intracavitary electrocardiograph lead of claim 6 wherein the detachable connection is a hook and loop fastener, snap fastener or snap fastener.

8. The intracavitary electrocardiograph lead of claim 6 wherein the second locking member is a cloth strap, rubber strap, plastic plate or elastic strap.

9. The intracavitary electrocardiograph lead according to any one of claims 1-3 wherein the electrical clip is an alligator clip;

or the electric clamp comprises two clamping parts which are hinged with each other, each clamping part comprises a clamping head and a handheld part connected with the clamping head, at least one clamping head is an electric conductor, and an elastic part is arranged between the two clamping parts and used for providing clamping force for the two clamping heads; the inner side surfaces of the two clamping heads are planes.

10. The intracavitary electrocardiograph lead according to claim 9 wherein the planar surface is provided with anti-slip threads, said anti-slip threads being toothed threads.