CN2576187Y

CN2576187Y - Disposable thoracic cavity, abdominal cavity puncturing sleeve-syringe

Info

Publication number: CN2576187Y
Application number: CN 02268812
Authority: CN
Inventors: 武玉国; 张庆凤; 高秀兰; 宿健; 韩宪英
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-08-12
Filing date: 2002-08-12
Publication date: 2003-10-01
Anticipated expiration: 2012-08-12

Abstract

The utility model provides a disposable disconnecting type puncture sleeve needle for chest cavities and abdominal cavities, which belongs to the field of a medical appliance. The cross sections of a needle core and a sleeve of a sleeve needle can be circular or oval. The sleeve is formed by connecting two simecircular or semioval pipes which are disconnected. The sleeve is matched and used with a disposable drainage device for chest cavities and abdominal cavities, which is especiallly designed. The sleeve can be conveniently arranged inside the chest cavities or the abdominal cavities. After the puncture is completed, the sleeve can disconnected to take from the drainage device, and a needle handle and the needle core for the disposable disconnecting type puncture sleeve needle for chest cavities and abdominal cavities are fixedly connected together. The sleeve of the puncture sleeve needle, which is composed of two simecircular or semioval pipes with outwards convex blocking heads at one end, is sheathed on the needle core, and the sleeve can slide up and down. A fixed ring can be sheathed outside the sleeve, and the fixed ring can slide up and down.

Description

A kind of disposable pulling-off type breast, the abdominal paracentesis trocar

Technical field

This utility model relates to medical instruments field.

Technical background

Prior art is done hydrothorax, the ascites puncture drain is internist's working range.Often use simple thoracic-puncture needle puncture at present, repeatedly draw water repeatedly, patient is painful big.Maybe need ask the surgeon to do thoracic wall or celiotomy incision placement drainage tube, on thoracic wall, drainage tube is thick with the drainage tube sutured, and wound is big.Because of present its sleeve pipe of the trocar that uses is long tubular, can not take off from drainage tube after the puncture, cause patient's inconvenience, sleeve pipe thickness and drainage tube do not match, seldom use when thoracic cavity or abdominal paracentesis, owing to above reason, most of breasts, ascites patient can not get timely medical treatment.

Summary of the invention

Disposable breast, the abdominal paracentesis trocar that this utility model provides have following characteristics: the disposable breast that this utility model provides, the abdominal paracentesis trocar, combine with custom-designed disposable breast, intraperitoneal drainage device, it is convenient to use, the nook closing member of the trocar and sleeve pipe transverse section can be circular or oval, and the sleeve pipe of the trocar is made up of two semicircles or the knock-down pipe of half elliptic.Disposable breast, the abdominal paracentesis trocar and disposable breast, abdominal puncture and drainage device fit applications, can easily drainage tube be inserted thoracic cavity or abdominal cavity, drainage tube is after fixing on thoracic wall or the stomach wall, the sleeve pipe of the trocar can be taken apart circle or half elliptic pipe into two, take off from drain etc., brought convenience to patient.

The purpose of this utility model can realize by following measure: the needle handle and the nook closing member of paracentesis trocar firmly link together, the sleeve pipe of the paracentesis trocar that connects to form by the pipe of two semicircles or half elliptic one end band evagination retaining head, by chance can be enclosed within on the nook closing member, and can slide up and down, ring for fixing by chance can be enclosed within the tube outside, and can slide up and down.

The specific embodiment

The purpose of this utility model can also realize by following measure:

During use, at first determine the site of puncture of patient's chest or abdominal part, partly sterilised wears sterile gloves, the shop aseptic hole-towel, after the local anesthesia, with blade site of puncture skin is cut an osculum to subcutaneous tissue, the edge of a knife is parallel with rib, two semicircles or telescopic joint one-tenth one circular casing of half elliptic with autoclave sterilization, be enclosed within on the nook closing member, puncture finishes, left half-covering tube and right half-covering tube can extract splanchnocoel and disassemble is taken off.Sleeve pipe can slide up and down on nook closing member.Telescopic retaining head is pressed close to mutually with needle handle, again with fixed trap in telescopic outside to shelves heads place, the retaining head can block ring for fixing, make it can not skid off the telescopic outside of right half-covering tube and left half-covering tube composition, with fixed sleeving, ring for fixing can slide up and down on sleeve pipe, the right hand is held needle handle, thumb, forefinger pinches sleeve pipe, from skin incisions trocar nook closing member and sleeve pipe is thrust thoracic cavity or abdominal cavity, occurs when resistance subtracts empty sense, show and enter thoracic cavity or abdominal cavity, the right hand is held needle handle and is extracted nook closing member, at this moment has hydrothorax or ascites flows out from sleeve pipe, blocks the sleeve pipe collar extension with the left hand thumb, the outflow of anti-sealing, in, the forefinger fixed sleeving, the right hand inserts thoracic cavity or abdominal cavity 10～25cm with the supporting suitable drainage tube of disinfectant diameter through sleeve pipe, and the right hand is held drainage tube and is fixed it again, left hand slowly rotates extracts sleeve pipe, ring for fixing is removed from sleeve pipe, taken into sleeve pipe apart two semicircles or half elliptic pipe, take off from drainage tube.At last drainage tube is fixed on thoracic wall or the stomach wall, hydrothorax or ascites can be at leisure from the thoracic cavity or the abdominal cavity flow into drainage bag through drainage tube.

Fig. 1 is a front view of the present utility model, and Fig. 2 is a vertical view.Wherein: 1-needle handle, 2-nook closing member, 3-shelves head, 4-right half-covering tube, 5-left half-covering tube, 6-ring for fixing.

Claims

1, a kind of disposable pulling-off type breast, the abdominal paracentesis trocar, the needle handle (1) that it is characterized in that paracentesis trocar firmly links together with nook closing member (2), the complete cannula that connects to form by jog by right half-covering tube (4) and left half-covering tube (5), by chance can be enclosed within on the nook closing member (2), and can slide up and down, fixing figure (6) by chance can be enclosed within right half-covering tube (4) and left half-covering tube (5) outside, can slide up and down, the retaining head (3) of right half-covering tube (4) and left half-covering tube (5) one ends can block ring for fixing (6), makes it can not skid off the outside of right half-covering tube (4) and left half-covering tube (5).

2, a kind of disposable pulling-off type breast according to claim 1, the abdominal paracentesis trocar is characterized in that described nook closing member (2), right half-covering tube (4) can be circular or oval-shaped with the transverse section of left half-covering tube (5).

3, a kind of disposable pulling-off type breast according to claim 1, the abdominal paracentesis trocar is characterized in that being connected with left half-covering tube (5) by right half-covering tube (4) and are combined into a complete cannula, and can freely take apart.