CN211432901U

CN211432901U - Electric clamp and intracavitary electrocardiogram lead device

Info

Publication number: CN211432901U
Application number: CN201922400083.4U
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 electric clamp and intracavitary electrocardio lead device, the electric clamp includes two clamping parts of swing joint, the clamping part includes the clamping head, and the handle that links to each other with the clamping head, is provided with elastomeric element between two clamping parts, elastomeric element is used for providing the clamp force for two clamping heads, its characterized in that, at least one clamping head is provided with electrically conductive arch, electrically conductive arch is located between two clamping heads, electrically conductive arch and the electrically conductive groove looks adaptation of leading the binding wire head end; the utility model provides an electric clamp, simple structure, compactness, reasonable in design can with ECG monitor's the stub end looks adaptation of leading, not only conveniently connects, can realize zonulae occludens moreover, is favorable to improving the stability of connecting, improves signal quality.

Description

Electric clamp and intracavitary electrocardiogram lead device

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to electric clamp and intracavity 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 electrocardiograph lead wire is generally composed of a lead wire and electric clamps arranged at two ends of the lead wire, and in the process of placing a catheter, the electric clamp at one end of the electrocardiograph lead wire is required to be clamped at the lead wire head end (RA lead wire head end) of an electrocardiograph monitor, and the electric clamp at the other end of the electrocardiograph lead wire is required to be clamped on a central venous catheter or a guide wire, so that intracavitary electrocardiograph lead is realized; however, in the prior art, the electrical clip disposed on the electrocardiograph lead wire usually adopts an alligator clip (shaped like a terminal of an alligator mouth), and the head end of the electrocardiograph lead wire is usually in a conductive groove structure, as shown in fig. 1, so as to be adapted to the protrusion on the electrode plate, thereby resulting in mismatching of the alligator clip and the head end of the lead wire, which is not only inconvenient for realizing electrical connection, but also has poor stability of electrical connection, and seriously affects the quality of signals.

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 electricity clamp, simple structure, compactness, reasonable in design can with ECG monitor's the stub end looks adaptation that leads, not only conveniently connects, can realize zonulae occludens moreover, is favorable to improving the stability of connecting, improves signal quality.

The utility model adopts the technical proposal that:

the utility model provides an electric clamp, includes two clamping parts of swing joint, the clamping part includes the holding head, reaches the handle that links to each other with the holding head, is provided with elastomeric element between two clamping parts, and elastomeric element is used for providing the clamp force for two holding heads, and its characterized in that, at least one holding head are provided with electrically conductive arch, electrically conductive arch is located between two holding heads, electrically conductive arch and the conducting wire looks adaptation of leading line head end. In the scheme, the clamping head of the clamping part is provided with the conductive protrusion which is matched with the conductive groove in the lead wire head end of the ECG monitor, so that when in use, the electric clamp can be conveniently connected with the lead wire head end of the ECG monitor, and the conductive protrusion can be inserted into the corresponding conductive groove, thereby not only realizing the tight connection of the electric clamp and the lead wire head end, but also being beneficial to improving the connection stability and improving the signal quality; in addition, the elastic component is used for providing clamping force, so that the conductive protrusion can be in close contact with the conductive groove, and the electric clamp can be effectively prevented from falling off.

Preferably, the conductive protrusion is a columnar structure. So as to be inserted 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 elastic member is a torsion spring.

Preferably, the two clamping portions are hinged by at least one hinge post. So as to achieve an active connection.

In one scheme, the two clamping parts are made of metal materials, and the handle is provided with an insulating shell. In this scheme, electrically conductive arch can integrated into one piece with the clamping part, has both been favorable to electrically conductive, is favorable to insulating again, is convenient for make.

In another scheme, the two clamping parts are made of non-metal insulating materials and further comprise conductive pieces, one ends of the conductive pieces are connected with the conductive protrusions, and the other ends of the conductive pieces are used for being connected with wires. In this scheme, electrically conduct through setting up electrically conductive, be convenient for connect wire.

Preferably, the conductive member is a wire or a conductive sheet.

In order to facilitate the closing of the clamping heads, further, the inner side surface of one clamping head is provided with the conductive protrusion, and the inner side surface of the other clamping head is arranged in the notch or the through hole for accommodating the conductive protrusion. When the electric clamp is closed, the conductive protrusion is just inserted into the notch or the through hole, so that the two clamping heads can be completely closed.

In order to match with the shape of the end of the lead wire of the ECG monitor, a groove and/or a rubber or silica gel layer is/are arranged on the inner side surface of the clamping head which is not provided with the conductive protrusion. The groove is matched with the shape structure of the other side of the conductive groove in the head end of the conductive wire, so that the head end of the conductive wire can be clamped conveniently, and the same effect can be realized by arranging a rubber or silica gel layer.

In order to improve the clamping effect, furthermore, the inner side surfaces of the two clamping heads are respectively provided with a dentate bulge, and the dentate bulges on the two clamping heads are mutually matched. Through setting up dentate arch, more be favorable to compressing tightly ECG monitor line head end to be favorable to improving the centre gripping effect.

The utility model provides an intracavitary electrocardio lead ware, include the wire the electricity press from both sides and holder, the one end of wire with the electricity press from both sides and link to each other, and with electrically conductive protruding electricity intercommunication, the other end of wire with the holder links to each other, and the holder is used for connecting central venous catheter or seal wire. The intracavity electrocardio lead ware that this scheme of utilization provided, the realization electrocardio monitor lead the electric intercommunication of line head end (RA lead line head end) and central venous catheter or seal wire that not only can be convenient, the excellent in connection effect, stability are high moreover, are favorable to improving signal quality.

Furthermore, the clamping piece comprises two clamping bodies which are hinged with each other, each clamping body comprises a clamping head and a handheld part connected with the clamping head, the handheld part is provided with an insulating sleeve, and an elastic part is arranged between the two clamping bodies 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.

Compared with the prior art, use the utility model provides a pair of electricity presss from both sides and intracavity heart electricity allies oneself with ware has following beneficial effect:

1. the electric clamp has simple and compact structure and reasonable design, can be matched with the lead end of the ECG monitor, is convenient to connect, can realize tight connection, and is beneficial to improving the connection stability and the signal quality.

2. This intracavitary electrocardio lead ware, the realization electrocardio monitor lead the electric intercommunication of line head end (RA lead the line head end) and central venous catheter or seal wire that not only can be convenient, the excellent in connection effect, stability are high moreover, are 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 view of an electric clamp provided in embodiment 1 of the present invention after being closed.

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 partial schematic view of an electrical clip provided in embodiment 1 of the present invention.

Fig. 6 is a schematic structural view of another electric clip provided in embodiment 1 of the present invention after being closed.

Fig. 7 is a schematic structural view of an electric clamp provided in embodiment 1 of the present invention after being opened.

Fig. 8 is a schematic structural diagram of an intracavitary electrocardiograph lead device provided in embodiment 2 of the present invention.

Fig. 9 is a schematic structural view of a clamping member in the intracavitary electrical coupler according to embodiment 2 of the present invention.

Description of the drawings

Clamping part 100, hinge post 101, clamping head 102, handle 103, conductive protrusion 104, first conductive part 105, second conductive part 106, insulating shell 107, conductive part 108, through hole 109, groove 110, silicone layer 111, dentate protrusion 112, conductive part 105, and silicone layer 111,

A leading wire head end 200 of the ECG monitor, a conductive groove 201,

A lead 300,

The clamping piece 400, the clamping body 401, the clamping head 402, the hand-held part 403, the insulating sleeve 404, the inner side surface 405, the tooth-shaped texture 406,

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 5, the present embodiment provides an electric clamp, which includes two movably connected clamping portions 100, wherein the movable connection is a hinge connection, so that the two clamping portions 100 can rotate relatively to realize clamping and releasing; the hinge joint can be implemented by using the existing hinge joint technology, for example, the two clamping portions 100 can be hinged by at least one hinge column 101, for example, as shown in fig. 2-3, in this embodiment, the two clamping portions 100 are hinged by the cooperation of one hinge column 101 and the hinge hole;

the clamping portion 100 may adopt a clamping portion 100 commonly used in the prior art, for example, in this embodiment, the clamping portion 100 includes a clamping head 102 and a handle 103 connected to the clamping head 102, the handle 103 is used for pressing or holding, an elastic member is disposed between the two clamping portions 100, the elastic member is used for providing a clamping force for the two clamping heads 102, so that the two clamping heads 102 can be closed and compressed, preferably, the elastic member may be a torsion spring, the torsion spring may be sleeved on the hinge column 101 so as to provide the clamping force, the torsion spring may not be sleeved on the hinge column 101, and when the torsion spring adopts a U-shaped structure or a V-shaped structure, details are not repeated here.

The structure of the leading wire head 200 of the conventional electrocardiograph monitor is shown in fig. 1, the leading wire head 200 is provided with a conductive groove 201 adapted to a protrusion on an electrode plate, and the other side surface of the conductive groove 201 in the leading wire head 200 is generally an arc surface or a plane.

In this embodiment, at least one of the clamping heads 102 is provided with a conductive protrusion 104, the conductive protrusion 104 is located between two clamping heads 102, and the conductive protrusion 104 is adapted to the conductive groove 201 of the lead wire head 200; the conductive protrusion 104 is arranged on the clamping head 102 of the clamping part 100, and the conductive protrusion 104 is matched with the conductive groove 201 in the lead wire head end 200 of the ECG monitor for conducting electricity, so that when in use, the electric clamp can be conveniently connected with the lead wire head end 200 of the ECG monitor, and the conductive protrusion 104 can be inserted into the corresponding conductive groove 201, thereby not only realizing the tight connection between the electric clamp and the lead wire head end 200, but also being beneficial to improving the connection stability and improving the signal quality; in addition, the elastic component is used for providing clamping force, so that the conductive protrusion 104 can be tightly contacted with the conductive groove 201, and the electric clamp can be effectively prevented from falling off.

As shown in fig. 2 and 3, for example, in the present embodiment, the inner side surface 405 of one of the clamping heads 102 is provided with the conductive protrusion 104, and the inner side surface 405 of the other clamping head 102 is not provided with the conductive protrusion 104.

It can be understood that the conductive protrusion 104 can be implemented in various ways, and only needs to be inserted into the conductive groove 201 of the lead wire head end 200 of the electrocardiograph monitor to realize the electrical conduction; preferably, the conductive bump 104 may have a columnar structure; for insertion into the conductive slot 201 in the ecg lead wire tip 200. As shown in fig. 3 and 4, the conductive bump 104 may be a cylindrical structure or a cylindrical structure, for example; as another example, the conductive protrusion 104 includes a first conductive portion 105 having a cylindrical structure and a second conductive portion 106 disposed at an end of the first conductive portion 105 and having a semicircular structure, a semi-elliptical structure or a butterfly structure, as shown in fig. 5, which is beneficial to the smooth structure of the conductive protrusion 104 and is more convenient for matching with the conductive slot 201 in the lead wire end 200 of the electrocardiograph monitor.

Regarding the choice of material, in the first solution provided by this embodiment, the two clamping portions 100 are made of metal material so as to be conductive, and the handle 103 is provided with an insulating shell 107 so as to be insulating, as shown in fig. 2 and 3. In this embodiment, the conductive protrusion 104 and the clamping portion 100 may be integrally formed, which is beneficial to both conduction and insulation, and is more convenient for manufacturing. The insulating housing 107 may be made of insulating rubber or plastic, and will not be described herein.

In the second solution provided in this embodiment, the two clamping portions 100 are made of non-metal insulating material, i.e. they are not conductive, e.g. made of plastic, so a conductive member 108 is further needed, one end of the conductive member 108 is connected to the conductive protrusion 104, and the other end can extend to the end of the clamping portion 100 for connecting a wire 300, as shown in fig. 4, in this solution, the conductive member 108 is arranged to conduct electricity, which facilitates the connection of the wire 300.

Preferably, the conductive member 108 may be a conductive wire 300 or a conductive sheet embedded in the clamping portion 100.

To facilitate the closing of the gripping heads 102, in a further aspect, the inner side surface 405 of one gripping head 102 is provided with the conductive protrusion 104, and the inner side surface 405 of the other gripping head 102 is provided with a notch or through hole 109 for receiving the conductive protrusion 104, as shown in fig. 3 or fig. 4, the through hole 109 is adopted in this embodiment; when the electrical clamp is closed, the conductive protrusion 104 is just inserted into the notch or through hole 109, so that the two clamping heads 102 can be completely closed.

In order to adapt to the shape of the lead wire head end 200 of the electrocardiograph monitor, in a further embodiment, the inner side surface 405 of the clamping head 102, which is not provided with the conductive protrusion 104, is provided with a groove 110, and/or is provided with a rubber or silica gel layer 111, as shown in fig. 6; the groove 110 may be adapted to the shape and structure of the other side of the conductive groove 201 in the lead wire head end 200, so as to more conveniently clamp the lead wire head end 200, and the same effect can be achieved by providing the rubber or silica gel layer 111, which is not described herein again.

In order to improve the clamping effect, in a further scheme, the inner side surfaces 405 of the two clamping heads 102 are respectively provided with the tooth-shaped protrusions 112, and the tooth-shaped protrusions 112 on the two clamping heads 102 are mutually matched; as shown in fig. 7, for example, the tooth-shaped protrusions 112 are respectively disposed on two sides of the conductive protrusion 104, and by disposing the tooth-shaped protrusions 112, the lead end 200 of the electrocardiograph monitor can be more easily pressed, so as to improve the clamping effect.

Example 2

The embodiment provides an intracavitary electrocardiograph lead device, which comprises a lead 300, a clamping piece 400 and an electric clamp in embodiment 1, as shown in fig. 8 and 9, one end of the lead 300 is connected with the electric clamp and is electrically communicated with the conductive bulge 104, the other end of the lead 300 is connected with the clamping piece 400, and the clamping piece 400 is used for connecting a central venous catheter or a guide wire 500. In this scheme, the utilization sets up in the electricity of wire 300 one end and presss from both sides, can be convenient, stable realization this intracavity electrocardio lead ware and ECG monitor lead the electricity intercommunication of line head end 200, the utilization sets up in the holder 400 of the wire 300 other end, this intracavity electrocardio lead ware of realization that can be convenient communicates with central venous catheter or seal wire 500 electricity to can be high-efficient, stable realization intracavity electrocardio lead, be favorable to improving signal quality.

It is understood that, in the present embodiment, the wire 300 may be a conventional wire 300, and the clip 400 may be a conductive clip commonly used in the art, such as an alligator clip.

In a further scheme, the clamping member 400 includes two clamping bodies 401 hinged to each other, the clamping bodies 401 include a clamping head 402 and a holding part 403 connected to the clamping head 402, the holding part 403 is provided with an insulating sleeve 404, at least one clamping body 401 is an electric conductor, and an elastic member is arranged between the two clamping bodies 401 and used for providing clamping force for the two clamping heads 402; the inner side surfaces 405 of the two clamping heads 402 are flat surfaces as shown in fig. 8, or the inner side surfaces 405 of the two clamping heads 402 are flat surfaces, and anti-skid lines are arranged on the flat surfaces as shown in fig. 9; in the scheme, the inner side surface 405 of the clamping head 402 is designed to be a plane, so that the central venous catheter or guide wire 500 with a smaller diameter can be clamped more conveniently, and the electric conduction is more facilitated; and through setting up anti-skidding line, can further play anti-skidding effect, the pipe or the seal wire 500 aversion that the antiskid is by the centre gripping to realize stable electricity and connect.

For example, in one embodiment, the two clamping bodies 401 are made of a metal conductive material and are both electric conductors, and the anti-slip pattern may be a toothed pattern 406, as shown in fig. 9, which can effectively clamp a central venous catheter or guide wire 500 with a smaller diameter, and prevent the central venous catheter or guide wire 500 from falling off during use, so as to achieve stable electric connection.

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 electric clamp, includes two clamping parts of swing joint, the clamping part includes the holding head, reaches the handle that links to each other with the holding head, is provided with elastomeric element between two clamping parts, and elastomeric element is used for providing the clamp force for two holding heads, and its characterized in that, at least one holding head are provided with electrically conductive arch, electrically conductive arch is located between two holding heads, electrically conductive arch and the conducting wire looks adaptation of leading line head end.

2. The electrical clip of claim 1, wherein the conductive bumps are columnar structures.

3. The electrical clip according to claim 1, wherein the conductive protrusion has a cylindrical structure, or a second conductive portion having a semicircular structure, a semi-elliptical structure, or a butterfly structure and disposed at an end of the first conductive portion.

4. The electrical clamp according to claim 1, wherein the two clamping portions are made of a metal material, and the handle is provided with an insulating shell;

or the two clamping parts are made of non-metal insulating materials and further comprise conductive pieces, one ends of the conductive pieces are connected with the conductive protrusions, and the other ends of the conductive pieces are used for being connected with wires.

5. The electrical clamp of claim 4, wherein the conductive member is a wire or a conductive strip.

6. The electrical clamp according to any one of claims 1 to 5, wherein an inner side surface of one of the clamping heads is provided with said electrically conductive protrusion and an inner side surface of the other clamping head is provided with a notch or through hole for receiving said electrically conductive protrusion.

7. An electric clamp according to any one of claims 1-5, characterized in that the inner side of the clamping head, which is not provided with the electrically conductive protrusions, is provided with a groove and/or with a rubber or silicone layer.

8. The electrical clamp according to any one of claims 1 to 5, wherein the inner surfaces of the two clamping heads are respectively provided with a tooth-shaped protrusion, and the tooth-shaped protrusions of the two clamping heads are engaged with each other.

9. An intracavitary electrocardiograph lead comprising a lead wire, a clamping member and the electrical clamp of any one of claims 1 to 8, wherein one end of the lead wire is connected to the electrical clamp and is in electrical communication with the conductive bump, the other end of the lead wire is connected to the clamping member, and the clamping member is used for connecting a central venous catheter or a guide wire.

10. The intracavitary electrocardiograph lead of claim 9 wherein said clip is an alligator clip,

or the clamping piece comprises two clamping bodies which are hinged with each other, each clamping body comprises a clamping head and a handheld part connected with the clamping head, the handheld part is provided with an insulating sleeve, and an elastic part is arranged between the two clamping bodies 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.