CN210521473U

CN210521473U - Telescopic blood vessel cleaner

Info

Publication number: CN210521473U
Application number: CN201920802914.8U
Authority: CN
Inventors: 余晓凤
Original assignee: Yongchuan Hospital of Chongqing Medical University
Current assignee: Yongchuan Hospital of Chongqing Medical University
Priority date: 2019-05-30
Filing date: 2019-05-30
Publication date: 2020-05-15
Anticipated expiration: 2029-05-30

Abstract

The utility model belongs to the technical field of medical equipment, in particular to a telescopic blood vessel cleaner, which comprises an injection tube, wherein a piston is arranged in the injection tube, a push rod is arranged on the piston, a handheld tube is sleeved on the injection tube in a sliding way, a first chute is arranged on the handheld tube, a through hole is arranged at the end part of the handheld tube, a liquid outlet tube and a liquid inlet tube are integrally formed at the end part of the injection tube, the liquid inlet tube is positioned in the first chute, a flushing tube is arranged on the liquid outlet tube and is arranged in the through hole in a penetrating way, a first one-way valve is arranged on the flushing tube, a flushing ball is integrally arranged at the end part of the flushing tube, a plurality of liquid outlet holes are arranged on the flushing ball, a liquid guide tube is arranged on the liquid inlet tube, when the anticoagulant is used, the blood vessel is easy to be damaged, and the anticoagulant is difficult to supplement during the use process to influence the operation.

Description

Telescopic blood vessel cleaner

Technical Field

The utility model belongs to the technical field of medical equipment, concretely relates to scalable vascular cleaner.

Background

In the vascular anastomosis procedure, anticoagulant is injected into blood vessels to cause the blood vessels to contract. Currently, many injections are performed by using a syringe in combination with a flexible hose. Because the injection depth differs, the hose needs to go deep into the blood vessel, so the hose needs to have a certain length, when the size of the hose is longer, the hose is difficult to use due to the softness of the hose when penetrating the blood vessel, and the hose is inconvenient to use, and meanwhile, the hose is easy to damage the blood vessel wall in the penetrating process, thereby causing secondary injury to patients

Simultaneously because the syringe capacity is limited, need pull out the syringe from the blood vessel after anticoagulant finishes using in the injection tube, wait to insert the blood vessel after adding the anticoagulant again, or use new syringe to carry out the anticoagulant injection, it is comparatively inconvenient to use, easily delays going on of operation.

SUMMERY OF THE UTILITY MODEL

Based on the problem mentioned in the above-mentioned background art, the utility model provides a scalable vascular cleaner for solve the fixed not convenient to use of hose size, easily cause the damage to the blood vessel when penetrating, be difficult to supply the problem of going on that influences the operation simultaneously at the use anticoagulant.

The utility model adopts the technical scheme as follows:

the telescopic blood vessel cleaner comprises an injection tube, a piston is arranged in the injection tube, a push rod is arranged on the piston, a handheld barrel is slidably sleeved on the injection barrel, a first chute is arranged on the handheld barrel, a through hole is arranged at the end part of the handheld barrel, the end part of the injection tube is integrally formed with a liquid outlet pipe and a liquid inlet pipe, the liquid inlet pipe is positioned in the first chute, a flushing pipe is arranged on the liquid outlet pipe, the flushing pipe is arranged in the through hole in a penetrating way, a first one-way valve is arranged on the flushing pipe, wherein the first one-way valve is in an open state when the flushing pipe is filled with liquid outwards, a flushing ball is integrated at the end part of the flushing pipe, the flushing ball is provided with a plurality of liquid outlet holes, the liquid inlet pipe is provided with a liquid guide pipe, the liquid inlet pipe is provided with a second one-way valve, wherein, the second check valve is the open mode when the feed liquor pipe is to annotating liquid in the injection tube, the catheter is external to have the stock solution bottle.

On the basis of the technical scheme, the utility model discloses following improvement has still been made:

furthermore, a second sliding groove is formed in the handheld barrel, and the injection barrel is integrally formed into a limiting block in the first sliding groove.

Further, the outer wall of the handheld barrel is provided with first scales at the corresponding position of the second sliding groove, and the surface of the injection barrel is provided with second scales.

Further, the end of the injection tube is provided with a first handle, and the handheld tube is integrally formed with a second handle and a third handle.

Furthermore, a pull ring is integrally formed on the first handle.

Further, the handheld cylinder end portion is integrally formed with a conical cylinder, and the through hole is formed in the conical cylinder.

The utility model has the advantages that:

1. through the design of the handheld barrel, when the injection barrel slides in the handheld barrel, the length of the flushing pipe 3 exposed outside the handheld barrel can be changed, so that the length of the flushing pipe penetrating into the blood vessel can be conveniently adjusted, and the problem that the flexible flushing pipe is long and difficult to penetrate into the blood vessel can be avoided;

2. the end part of the flushing pipe is provided with the flushing ball to enable the end part of the flushing pipe to be smooth, so that the damage to blood vessels when the flushing pipe is penetrated can be better avoided;

3. through the design of first check valve and second check valve, the first check valve is opened, the second check valve is closed when the injection tube is to the intraductal liquid medicine of annotating, and when liquid medicine needs to supply in the injection tube, pulling piston second check valve is opened, first check valve closes and can supply blood to the injection tube through the catheter, need not to take out flushing pipe to the blood vessel in, uses more conveniently simultaneously can not take out intravascular blood when supplying the liquid medicine.

Drawings

The present invention can be further illustrated by the non-limiting examples given in the accompanying drawings;

fig. 1 is a first schematic structural diagram of a retractable vascular cleaner according to an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of FIG. 1;

fig. 3 is a schematic structural diagram of a second retractable vascular cleaner according to an embodiment of the present invention;

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 3;

FIG. 5 is a schematic cross-sectional view of FIG. 3;

the main element symbols are as follows:

the device comprises a handheld barrel 1, a second sliding chute 11, a conical barrel 12, a first sliding chute 13, a second handle 14, a third handle 15, a through hole 17, a first scale 18, an injection barrel 2, a second scale 21, a first handle 22, a pull ring 23, a limiting block 24, a flushing pipe 3, a first one-way valve 31, a flushing ball 32, a liquid outlet hole 33, a liquid inlet pipe 4, a second one-way valve 41, a liquid guide pipe 42, a piston 51 and a push rod 52.

Detailed Description

In order to make the present invention better understood by those skilled in the art, the technical solutions of the present invention are further described below with reference to the accompanying drawings and examples.

Examples

As shown in fig. 1 to 5, the telescopic blood vessel cleaner comprises an injection tube 2, a piston 51 is installed in the injection tube 2, a push rod 52 is installed on the piston 51, a handheld tube 1 is slidably sleeved on the injection tube 2, a first chute 13 is formed on the handheld tube 1, a through hole 17 is formed at the end of the handheld tube 1, a liquid outlet pipe and a liquid inlet pipe 4 are integrally formed at the end of the injection tube 2, the liquid inlet pipe 4 is located in the first chute 13, a flushing pipe 3 is installed on the liquid outlet pipe, the flushing pipe 3 is inserted into the through hole 17, a first one-way valve 31 is installed on the flushing pipe 3, wherein the first one-way valve 31 is in an open state when the flushing pipe 3 injects liquid outwards, a flushing ball 32 is integrally formed at the end of the flushing pipe 3, a plurality of liquid outlet holes 33 are formed on the flushing ball 32, a liquid guide tube 42 is installed on the liquid inlet pipe 4, and a second one-way valve 41 is installed on the liquid inlet, the liquid guide tube 42 is externally connected with a liquid storage bottle.

The handheld barrel 1 is provided with a second sliding chute 11, and the injection barrel 2 is integrally formed with a limiting block 24 in the first sliding chute 13. The stroke of injection tube is restricted through stopper 24 in the use, avoids injection tube 2 excessive slip to lead to liquid inlet pipe 4 to be extruded and damage.

The outer wall of the handheld barrel 1 is provided with a first scale 18 at a position corresponding to the second chute 11, and the surface of the injection barrel 2 is provided with a second scale 21. The stroke can be controlled by the sliding syringe 2 and the piston 51 through the first scale 18 and the second scale 21, so that the penetration depth of the flushing pipe 3 and the liquid medicine amount in the syringe 2 can be controlled better.

The end of the injection tube 2 is provided with a first handle 22, and the handheld tube 1 is integrally formed with a second handle 14 and a third handle 15. Through the arrangement of the first handle 22, the second handle 14 and the third handle 15, the syringe 2 can be slid more easily, and the use is more convenient, which is beneficial to the operation.

A pull ring 23 is integrally formed on the first handle 22. When in use, fingers can penetrate into the pull ring 23 to prevent falling off, so that the pull ring can be used by one hand, and is further convenient to use.

The end part of the handheld cylinder 1 is integrally formed with a conical cylinder 12, and the through hole 17 is arranged on the conical cylinder 12. The design of the cone cylinder 12 is that the injection cylinder 2 is installed, so that the flushing pipe 3 can be conveniently located under the action of the cone cylinder 12, and the flushing pipe 3 can automatically penetrate into the through hole 17.

When in use, firstly, the flushing pipe 3 is installed on the injection cylinder 2, the injection cylinder 2 is inserted into the handheld cylinder 1, the injection cylinder 2 is slid to enable the flushing pipe 3 to be in the shortest state as shown in figures 1 and 2, then the liquid guide tube 42 is placed into a liquid storage bottle for storing anticoagulant, then the push rod 52 is pulled to move the piston 51, at the moment, the first negative-pressure one-way valve 31 formed in the injection cylinder 2 is closed, the second one-way valve 41 is opened to introduce the anticoagulant into the injection cylinder 2 through the liquid guide tube 42, then the push rod 52 is pushed to move the piston 51 to push the anticoagulant into the flushing pipe 3 to remove air in the flushing pipe 3, then the flushing ball 32 is inserted into a blood vessel, and the injection cylinder 2 is pushed to push the flushing pipe; when the anticoagulant in the injection tube 2 is insufficient, the push rod 52 is directly pulled, the anticoagulant is introduced into the liquid storage bottle through the liquid guide tube 42 for supplement, and the blood in the blood vessel cannot be sucked out when the anticoagulant is supplemented under the action of the first one-way valve 31.

The above is to the telescopic blood vessel cleaner provided by the utility model is introduced in detail. The description of the specific embodiments is only intended to facilitate an understanding of the method of the invention and its core ideas. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. Scalable vascular purger, including injection tube (2), install piston (51) in injection tube (2), install push rod (52), its characterized in that on piston (51): the injection tube (2) is slidably sleeved with a handheld tube (1), the handheld tube (1) is provided with a first chute (13), a through hole (17) is arranged at the end part of the handheld barrel (1), a liquid outlet pipe and a liquid inlet pipe (4) are integrally formed at the end part of the injection barrel (2), the liquid inlet pipe (4) is positioned in the first chute (13), the liquid outlet pipe is provided with a flushing pipe (3), the flushing pipe (3) is arranged in the through hole (17) in a penetrating way, a first one-way valve (31) is arranged on the flushing pipe (3), a washing ball (32) is integrated at the end part of the washing pipe (3), a plurality of liquid outlet holes (33) are arranged on the washing ball (32), the liquid inlet pipe (4) is provided with a liquid guide pipe (42), the liquid inlet pipe (4) is provided with a second one-way valve (41), and the liquid guide pipe (42) is externally connected with a liquid storage bottle.

2. The retractable vascular cleaner of claim 1, wherein: the handheld barrel (1) is provided with a second sliding groove (11), and the injection barrel (2) is integrally formed into a limiting block (24) in the first sliding groove (13).

3. The retractable vascular cleaner of claim 2, wherein: the outer wall of the handheld barrel (1) is provided with first scales (18) at the corresponding position of the second sliding groove (11), and the surface of the injection barrel (2) is provided with second scales (21).

4. The retractable vascular cleaner of claim 1, wherein: the end of the injection tube (2) is provided with a first handle (22), and the handheld tube (1) is integrally formed with a second handle (14) and a third handle (15).

5. The retractable vascular cleaner of claim 4, wherein: the first handle (22) is integrally formed with a pull ring (23).

6. The retractable vascular cleaner of claim 1, wherein: the handheld cylinder (1) is integrally formed with a conical cylinder (12) at the end, and the through hole (17) is formed in the conical cylinder (12).