CN2501509Y

CN2501509Y - Disposable deep vein retaining tube

Info

Publication number: CN2501509Y
Application number: CN 01262218
Authority: CN
Inventors: 张志强; 景爱荣; 周玉发; 毕春晖
Original assignee: 张志强
Priority date: 2001-10-23
Filing date: 2001-10-23
Publication date: 2002-07-24
Anticipated expiration: 2011-10-23

Abstract

The utility model discloses a disposable deep vein retaining tube which is composed of an outer sheath tube 1, a core tube 2 and a J-shaped steel wire 3, wherein the core tube 2 is inserted into the outer sheath tube 1, and the J-shaped steel wire 3 is inserted into the core tube 2. A membrane flap 4 is arranged in a seat of the outer sheath tube 1. The seat wall of the outer sheath tube 1 is connected with a transfusion attaching tube 5. The end part of the transfusion attaching tube 5 is provided with a three-way valve 7 which is communicated with a connection opening of a transfusion pipe and a medicine injection opening 8. The utility model has difficult breakage and infection generation and long outer sheathed tube, not only is suitable for superficial vein, but also is suitable for the blood vessel transfusion of the deep vein. The utility model can be widely used for the high-speed transfusion for rescuing the severe sick, such as shock, etc.

Description

Disposable deep venous indwelling pipe

This utility model relates to the venous transfusion medical apparatus, and specifically a kind of disposable deep venous indwelling pipe is applicable to the patient's that critical patients such as rescue shock and PeV are difficult to puncture quick transfusion.

Quick transfusion for critical patients such as rescue shocks, and the PeV patient infusion that is difficult to puncture, often than the puncture transfusion of vein position, deep, as femoral vein or subclavian vein, when transfusion, need being retained in the vein blood vessel the puncture needle epitheca pipe long period.At present, employed disposable vein remaining needle is made of puncture needle, epitheca pipe, the hand-held sheet of epitheca pipe, needle stand mostly, and puncture needle inserts in the epitheca pipe, this puncture needle is that fine steel tube is made, wall is extremely thin, fractures easily and splits, and length is shorter, be difficult to reach in the vein blood vessel of deep, only be applicable to superficial vein, and the seat end of pin easily causes infection near site of puncture skin.

The purpose of this utility model is to provide a kind of not easy fracture, be difficult for to produce infects, the epitheca pipe is longer, is not only applicable to superficial vein, more is applicable to the disposable deep venous indwelling pipe of deep vein blood vessel transfusion.

This utility model is achieved in that this disposable deep venous indwelling pipe, constitute by epitheca pipe, core pipe, " J " shape steel wire, its core pipe inserts in the epitheca pipe, " J " shape steel wire inserts in the core pipe, be provided with the film lobe in the seat of epitheca pipe, connect the attached pipe of transfusion on the seat wall of epitheca pipe, the attached tube end of infusing is provided with three-way valve, and three-way valve is communicated with tube for transfusion interface and medicine-pouring port.Epitheca pipe and core Guan Junyong medical grade rubber are made, and " J " shape steel wire is the elasticity finer wire, and the end is that semicircle is hook-shaped, and the epitheca pipe range is 100-150mm, and overall diameter is 1.0-1.2mm, and interior diameter is 0.8-1.0mm, and the attached pipe range of infusing is 150-200mm.When using this utility model, connect No. 18 puncture needles with syringe earlier, carry out the deep venipuncture, after puncture puts in place, in puncture needle tubing, insert " J " shape steel wire, after making the semicircle hook-shaped end of " J " shape steel wire enter vein blood vessel, withdraw from puncture needle, again with the sheathed core pipe of going up the epitheca pipe, be enclosed within on " J " shape steel wire, and along in " J " shape steel wire insertion vein blood vessel, with further blood vessel dilating puncturing hole, after in the epitheca pipe inserts vein blood vessel, putting in place, extract " J " shape steel wire and core pipe, the epitheca pipe is retained in the vein blood vessel, and epitheca pipe outer end and skin are fixed, the automatic shutoff of film lobe in the seat of epitheca pipe, on the tube for transfusion interface of the attached pipe of transfusion, connect tube for transfusion or drawing liquid syringe, rotate three-way valve, the attached pipe of transfusion is communicated with tube for transfusion or drawing liquid syringe, can infuse fast or drawing liquid, if need injection, rotatable three-way valve makes the attached pipe of transfusion communicate with medicine-pouring port, can be from injection in the medicine-pouring port.

The utility model has the advantages that: compare with the disposable vein remaining needle of present use, because of guide needle is " J " shape finer wire, frangibility is not split, and can reach than the position, deep, the interior diameter of epitheca pipe is thick (being 1.0-1.2mm), and longer, can reach the deep vein, particularly suitable is the critical patient of transfusion fast, band film lobe in the seat of epitheca pipe, automatically shutoff prevents hemorrhagely, and the attached pipe of infusing is longer, do not press close to skin, can prevent to pollute, the attached tube end of infusing is established tube for transfusion interface and injection port and three-way valve, can infuse simultaneously and injectable drug, be beneficial to rescue, in addition, this indwelling tube is not only applicable to the superficial vein transfusion, more is applicable to dark venous transfusion.

The utility model is described in further detail below in conjunction with accompanying drawing.

Fig. 1 looks sketch map for this utility model structure master.

Fig. 2 is that this utility model structure is along the axis cross-sectional schematic.

Make this utility model with reference to accompanying drawing 1,2.This disposable deep venous indwelling pipe, constitute by epitheca pipe 1, core pipe 2, " J " shape steel wire 3, core pipe 2 inserts in the epitheca pipe 1, " J " shape steel wire 3 inserts in the core pipe 2, be provided with film lobe 4 in the seat of epitheca pipe 1, connect the attached pipe 5 of transfusion on the seat wall of epitheca pipe 1, attached pipe 5 ends of infusing are provided with three-way valve 7, and three-way valve 7 is communicated with tube for transfusion interface 6 and medicine-pouring port 8.Epitheca pipe 1 and core pipe 2 are all made of medical grade rubber, and " J " shape steel wire 3 is the elasticity finer wire, and the end is that semicircle is hook-shaped, and epitheca pipe 1 length is 100-150mm, and overall diameter is 1.0-1.2mm, and interior diameter is 0.8-1.0mm, and attached pipe 5 long 150-200mm infuse.

Claims

1, a kind of disposable deep venous indwelling pipe, constitute by epitheca pipe (1), core pipe (2), " J " shape steel wire (3), it is characterized in that core pipe (2) inserts in the epitheca pipe (1), " J " shape steel wire (3) inserts in the core pipe (2), be provided with film lobe (4) in the seat of epitheca pipe (1), connect transfusion attached pipe (5) on the seat wall of epitheca pipe (1), attached pipe (5) end of infusing is provided with three-way valve (7), and three-way valve (7) is communicated with tube for transfusion interface (6) and medicine-pouring port (8).

2, disposable deep according to claim 1 venous indwelling pipe is characterized in that epitheca pipe (1) is long and is 100-150mm that overall diameter is 1.0-1.2mm, and interior diameter is 0.8-1.0mm, and the long 150-200mm of attached pipe (5) infuses.