CN2431893Y

CN2431893Y - Disposable bladder trocar for repair fistula

Info

Publication number: CN2431893Y
Application number: CN 00238274
Authority: CN
Inventors: 段献荣; 江双霞; 张金秀
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-07-06
Filing date: 2000-07-06
Publication date: 2001-05-30
Anticipated expiration: 2010-07-06

Abstract

The utility model relates to a bladder puncture fistulation needle, which is composed of a needle core and a fistulation tube. The needle core is inserted in the fistulation tube, a center hole is arranged in the needle core, and a side hole is arranged on a wall near a needle tip. A small hole which is corresponding to the side hole and an air sac are arranged on the wall of the front end of the fistulation tube, and an air sac valve which is communicated with the air sac is fixed on the rear end of the fistulation tube. The utility model has the advantages of accurate positioning of the fistulation tube, low use requirement of technical level, convenient use, quick use, easy processing and easy manufacture. The utility model is an updated product of an old bladder puncture fistulation needle.

Description

The disposable bladder puncture soap

This utility model relates to a kind of punctio vesicae soap.

Punctio vesicae fistulation regular meeting in clinical position runs into, and used soap is that puncture needle separates with the fistulation pipe.In use, with the point of puncture local anaesthesia and after cutting, hand-held puncture needle vertically thrusts full bladder earlier, then the nook closing member of puncture needle is transferred to, and by the interstitial hole of puncture needle, the fistulation pipe is inserted bladder, and transfer to the trocar sheath of puncture needle this moment again.Fixedly the fistulation pipe wraps up point of puncture.There is following shortcoming in it: 1. because the fistulation puncture needle in use, need be transferred to nook closing member after puncture, insert the fistulation pipe from the trocar sheath interstitial hole again, put must trocar sheath be dialled behind the pipe again and remove.So just waste time and energy, and might when dialling trocar sheath, the fistulation pipe racks be gone out.2. the fistulation puncture needle is that metalwork will repeatedly use, and needs autoclave sterilization or soaking disinfection, and comparatively trouble or cross infection can not be satisfied modern clinical requirement.

The purpose of this utility model is to design a kind of simple in structure, can once directly the fistulation pipe be inserted the disposable bladder puncture soap of bladder.

This utility model is achieved in that it is made up of nook closing member and fistulation pipe, and nook closing member is inserted in the fistulation pipe, and wherein nook closing member has backshank, needle body and needle point three parts, in medium pore is arranged, having a side opening to communicate near on the needle body wall of needle point with medium pore.The diameter of bore of fistulation pipe is bigger slightly than the external diameter of nook closing member, and fistulation pipe front end has a side opening, and is corresponding with the side opening of nook closing member, and there is the fixing air bag of fistulation pipe the rear end of side opening, and there is an air bag valve that communicates with air bag at fistulation pipe caudad place.Nook closing member can be duroplasts, and the fistulation pipe is a silica gel tube.

This utility model compared with prior art has following advantage: 1. insert bladder because this punctio vesicae soap when thrusting bladder, is about to the fistulation pipe, transfer to nook closing member, airbag aeration or water-filling, fixing fistulation pipe, and directly connect drainage tube, therefore convenient to use; 2. owing to the air bag location is arranged on the fistulation pipe, therefore can guarantee exactly that the fistulation pipe is inserted in the intravesical degree of depth, and properly fixing, low to the technical merit requirement of user; 3. since nook closing member and fistulation pipe for being respectively plastics and silica gel, therefore easy processing and manufacturing, cost is low; 4. owing to be disposable use, avoid cross infection, and managed easy to usely, met modern clinical requirement.

Be elaborated below in conjunction with accompanying drawing.

Fig. 1 is this utility model structural representation

Accompanying drawing 2 is this utility model A-A cutaway view.

This utility model is made up of nook closing member 1 and fistulation pipe 3, and as shown in drawings, nook closing member has backshank, needle body and needle point three parts.The backshank external diameter is bigger, and medium pore 6 is arranged in backshank and the needle body.Near on the needle body wall of needle point the side opening 5 that communicates with medium pore is being arranged, nook closing member can be made with duroplasts.The rear end diameter of bore of fistulation pipe 3 is bigger slightly than the backshank external diameter of nook closing member, is used for locating nook closing member, has on its front bulkhead and the corresponding aperture 2 of nook closing member side opening, so that when inserting bladder, urine from then on aperture is discharged to confirm to insert bladder by the nook closing member medium pore.Fix an air bag 7 on the fistulation pipe outer wall of 20～25 millimeters of distance fistulation pipe front ends, the cross section of air bag can be an annulus, and the air bag valve 4 that communicates with air bag is fixed on the rear end of fistulation pipe.During use, at first choose point of puncture on human body, behind local anaesthesia and incision skin and the protheca, the handwritten visiting card puncture needle vertically thrusts full bladder.After thrusting bladder, promptly have urine to flow out through medium pore 6 from the aperture 2 of fistulation pipe and the side opening 5 of nook closing member, extract nook closing member, fistulation Guan Zaijin uses syringe quantitatively to inflate or water-filling in air bag slightly, gets final product secure fixation fistulation pipe, and accurately locatees.Wrap point of puncture, get final product at the back termination drainage bag of fistulation pipe.

Claims

1, the disposable bladder puncture soap is made up of nook closing member (1) and fistulation pipe (3), nook closing member (1) is inserted in the fistulation pipe (3), wherein nook closing member (1) has backshank, needle body and needle point three parts, medium pore (6) is arranged in the nook closing member, the side opening (5) that communicates with medium pore (6) is being arranged near on the needle body wall of needle point; The rear end diameter of bore of fistulation pipe (3) is bigger slightly than the external diameter of the backshank of nook closing member (1), have on the front bulkhead of fistulation pipe (3) and the corresponding aperture of nook closing member (1) side opening (5) (2), it is characterized in that: fix an air bag (7) on fistulation pipe (3) outer wall of fistulation pipe aperture (2) rear end, the fixing air bag valve (4) that communicates with air bag (7) on the outer wall of fistulation pipe (3) rear end.

2, soap according to claim 1 is characterized in that: the cross section of air bag (7) is an annulus.

3, soap according to claim 1 and 2 is characterized in that: air bag (7) is 20～25 millimeters apart from the distance of fistulation pipe (3) front end.

4, soap according to claim 1 is characterized in that: the material of nook closing member (1) is a duroplasts; The material of fistulation pipe (3) is a silica gel.

5, soap according to claim 1 is characterized in that: nook closing member (1) and fistulation pipe (3) are one when scurrying thorn.