CN211561509U - Pipe clamping pliers for replacing ECMO oxygenator - Google Patents

Abstract

The utility model provides a pipe clamp for ECMO oxygenator is changed belongs to medical instrument technical field, including stripper plate, pincers body, fixed buckle and telescopic handle, pincers body top with the stripper plate is connected, the bottom with telescopic handle connects, fixed buckle is installed telescopic handle intermediate position department, the stripper plate includes left bottom plate and right bottom plate, left side bottom plate with right bottom plate installs between two parties respectively pincers body top, the left side of left side bottom plate is the plane, and the right side is the concave arc surface, the right side of right bottom plate is the plane, and the left side is the protruding arc surface, the concave arc surface with the protruding arc surface sets up relatively. The utility model discloses simple structure, convenient operation takes place the blood splash phenomenon when can effectively avoiding changing the ECMO oxygenator and takes place.

Description

Pipe clamping pliers for replacing ECMO oxygenator

Technical Field

The utility model belongs to the technical field of medical instrument, especially, a tube clamping forceps for ECMO oxygenator is changed.

Background

At present, when the ECMO oxygenator is replaced, because the blood in the tube is pressurized, the blood in the tube is easy to splash in the tube cutting process, and the operation is easily polluted when the blood splashes to the floor, the operating table or the face due to the fact that the operation is aseptic operation.

In the prior art, when the ECMO oxygenator is replaced, a pipeline is usually pressed by hands so as to be replaced, firstly, an operating clamp needs to be fixed on the pipeline, then, a person needs to press the pipeline by hands to squeeze the pipeline flat, finally, an operating clamp is fixed at the other end of the squeezed pipeline, and then, the operation such as pipe shearing replacement is carried out after the hands are released, so that the operation method needs to be matched by a plurality of persons, and is inconvenient to operate; there is also a method of replacing the ECMO oxygenator by squeezing the tube with a chest tube pressurizer and then cutting the tube, which is harder than the chest tube, and therefore, the ECMO oxygenator requires a lot of force to squeeze the tube, which is inconvenient.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a simple structure, convenient operation takes place the pipe clamp of blood splash phenomenon when can effectively avoiding changing the ECMO oxygenator.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this: a tube clamp for replacing an ECMO oxygenator comprises a squeezing plate, a clamp body, a fixed buckle and a telescopic handle, wherein the top of the clamp body is connected with the squeezing plate, the bottom of the clamp body is connected with the telescopic handle, and the fixed buckle is arranged in the middle of the telescopic handle;

the extrusion plate comprises a left bottom plate and a right bottom plate, and the left bottom plate and the right bottom plate are respectively installed in the middle of the top end of the caliper body.

Further, the left side of left bottom plate is the plane, and the right side is concave arc surface, the right side of right bottom plate is the plane, and the left side is protruding circular arc surface, concave arc surface with protruding circular arc surface sets up relatively.

Furthermore, the left bottom plate and the right bottom plate are provided with grid patterns on the arc curved surfaces which are arranged oppositely.

Further, the radius of the concave arc surface is smaller than that of the convex arc surface.

Furthermore, a plurality of circular holes distributed at equal intervals are formed in the front side of the lower end of the pliers body.

Further, telescopic handle includes button, limiting plate, handle main part, spring and guide bar, be provided with the round hole on the lower extreme lateral wall of handle main part, spring fixed mounting be in the inside of handle main part upper end lateral wall, and with round hole in the handle main part sets up relatively, the limiting plate is fixed to be set up inside the handle main part, be provided with a through-hole on the limiting plate, the position of through-hole with the spring sets up relatively, guide bar one end with spring coupling, the other end passes through-hole on the limiting plate with the button is connected, the button is kept away from the one end of guide bar passes respectively round hole in the handle main part with the round hole on the pincers body, and the part exposes to the pincers body lateral wall outside.

Further, the spring is a compression spring.

Furthermore, the lower end of the button is a spherical curved surface.

Compared with the prior art, the utility model a tube clamping pincers for ECMO oxygenator is changed have following advantage:

(1) the fixing buckle of the utility model can fix the pipe clamp in use, so that the operation can be carried out by one person;

(2) the handle of the utility model can be extended according to actual needs, when the handle is extended, the pipe tongs can obtain larger force arm when shearing the pipe, which is convenient for operators with small strength;

(3) the left bottom plate and the right bottom plate of the utility model are two arc surfaces which are matched with each other, thereby being convenient for clamping and fixing the pipeline between the extrusion plates in the process of using the pipe clamp;

(4) the radius of the concave arc surface of the left bottom plate is smaller than that of the convex arc surface of the right bottom plate, so that an extrusion area with a large middle and two small ends is formed in the middle of the extrusion plate, and blood in the tube is extruded cleanly.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a schematic structural view of a tube clamping pliers for ECMO oxygenator replacement according to an embodiment of the present invention;

FIG. 2 is a schematic view of the structure of part A in FIG. 1;

FIG. 3 is a view of FIG. 1 taken from a perspective partially toward B;

FIG. 4 is a cross-sectional view of C-C of FIG. 1;

fig. 5 is a cross-sectional view of D-D in fig. 4.

Description of reference numerals:

1. a pressing plate; 2. a clamp body; 3. fixing the buckle; 4. a telescopic handle; 5. a left bottom plate; 6. a right base plate; 7. a button; 8. a limiting plate; 9. a handle body; 10. a spring; 11. a guide rod.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1-5, the utility model relates to a pipe tongs for ECMO oxygenator replacement, including stripper plate 1, tongs body 2, fixed buckle 3 and telescopic handle 4, the top of tongs body 2 is connected with stripper plate 1, and the bottom is connected with telescopic handle 4, fixed buckle 3 is installed in the middle position of telescopic handle 4, fixed buckle 3 can fix the pipe tongs in use, so that one person can operate, telescopic handle 4 can extend according to actual need, when extending, pipe tongs can obtain a larger force arm when cutting the pipe, and the pipe tongs can be used by a small-power operator;

the extrusion plate 1 comprises a left bottom plate 5 and a right bottom plate 6, and the left bottom plate 5 and the right bottom plate 6 are respectively installed in the middle of the top end of the caliper body 2.

Preferably, the left side of the left bottom plate 5 is a plane, the right side is a concave arc surface, the right side of the right bottom plate 6 is a plane, the left side is a convex arc surface, and the concave arc surface and the convex arc surface are arranged oppositely, so that the pipeline is conveniently clamped and fixed between the extrusion plates 1 in the process of using the pipe clamping tongs.

Preferably, the arc curved surfaces of the left bottom plate 5 and the right bottom plate 6 are provided with grid patterns, so that friction is increased, and the extrusion plate 1 can be better fixed on a clamped pipe.

Preferably, the radius of the concave arc surface is smaller than that of the convex arc surface, so that a squeezing area with a large middle and two small ends is formed in the middle of the squeezing plate 1, and blood in the tube can be squeezed cleanly.

Preferably, a plurality of circular holes are arranged on the front side of the lower end of the forceps body 2 and are distributed at equal intervals.

Preferably, telescopic handle 4 includes button 7, limiting plate 8, handle main part 9, spring 10 and guide bar 11, be provided with the round hole on the lower extreme lateral wall of handle main part 9, spring 10 fixed mounting be in the inside of handle main part 9 upper end lateral wall, and with round hole on the handle main part 9 sets up relatively, limiting plate 8 is fixed to be set up inside the handle main part 9, be provided with a through-hole on the limiting plate 8, the position of through-hole with spring 10 sets up relatively, guide bar 11 one end with spring 10 connects, and the other end passes through-hole on the limiting plate 8 with button 7 connects, button 7 is kept away from the one end of guide bar 11 passes respectively round hole on the handle main part 9 with round hole on the pincers body 2, and the part expose extremely 2 lateral walls of pincers body outside.

Preferably, the spring 10 is a compression spring.

Preferably, the lower end of the button 7 is a spherical curved surface, so that the button 7 is convenient to press or eject without clamping stagnation.

In the actual work process, when needing to change the ECMO oxygenator, at first with the tube that needs to cut off is cliied to the stripper plate 1 of a tong, then fix fixed buckle 3, make the tong oneself can fix on the tube and be unlikely to loosen and drop, the blood in the tube just is extruded to stripper plate 1 both sides this moment, fix two tongs on the tube of first tong both sides that fix respectively afterwards, after three tongs are all fixed, get off the first tong that is located in the middle, the tube of a section evacuation blood will appear in the middle of two remaining tongs this moment, this time go again according to the operation needs to cut off this section of tube, the phenomenon that just can effectively avoid discovering the blood splash. Meanwhile, according to the requirements of actual operators, the extension length of the handle is adjusted, different shearing force arms can be obtained, the longer the force arm is, the smaller the required force during shearing can be, and the better extrusion effect can be obtained for operators with smaller force.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. A kind of tube-clamping pincers used for ECMO oxygenator to change, characterized by that: the clamp comprises a squeezing plate (1), a clamp body (2), a fixed buckle (3) and a telescopic handle (4), wherein the top of the clamp body (2) is connected with the squeezing plate (1), the bottom of the clamp body is connected with the telescopic handle (4), and the fixed buckle (3) is arranged in the middle of the telescopic handle (4);

the extrusion plate (1) comprises a left bottom plate (5) and a right bottom plate (6), and the left bottom plate (5) and the right bottom plate (6) are respectively installed in the middle of the top end of the caliper body (2).

2. The tube-clamping forceps for ECMO oxygenator replacement of claim 1, wherein: the left side of left bottom plate (5) is the plane, and the right side is concave arc surface, the right side of right bottom plate (6) is the plane, and the left side is protruding arc surface, concave arc surface with protruding arc surface sets up relatively.

3. The tube-clamping forceps for ECMO oxygenator replacement of claim 2, wherein: and grid patterns are arranged on the arc curved surfaces of the left bottom plate (5) and the right bottom plate (6) which are arranged oppositely.

4. The tube-clamping forceps for ECMO oxygenator replacement of claim 2, wherein: the radius of the concave arc surface is smaller than that of the convex arc surface.

5. The tube-clamping forceps for ECMO oxygenator replacement of claim 1, wherein: the front side of the lower end of the pliers body (2) is provided with a plurality of round holes distributed at equal intervals.

6. The tube-clamping forceps for ECMO oxygenator replacement of claim 1, wherein: the telescopic handle (4) comprises a button (7), a limiting plate (8), a handle main body (9), a spring (10) and a guide rod (11), wherein a round hole is formed in the side wall of the lower end of the handle main body (9), the spring (10) is fixedly installed in the side wall of the upper end of the handle main body (9) and is arranged opposite to the round hole in the handle main body (9), the limiting plate (8) is fixedly arranged in the handle main body (9), a through hole is formed in the limiting plate (8), the position of the through hole is arranged opposite to the spring (10), one end of the guide rod (11) is connected with the spring (10), the other end of the guide rod passes through the through hole in the limiting plate (8) and is connected with the button (7), one end, far away from the guide rod (11), of the button (7) passes through the round hole in the handle main body (9) and the round hole in the clamp body (2), and part of the clamp body is exposed to the outer side of the side wall of the clamp body (2).

7. The tube-clamping pliers for ECMO oxygenator replacement of claim 6 wherein: the spring (10) is a compression spring.

8. The tube-clamping pliers for ECMO oxygenator replacement of claim 6 wherein: the lower end of the button (7) is a spherical curved surface.

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