CN201586315U

CN201586315U - Abdominocentesis intubation device

Info

Publication number: CN201586315U
Application number: CN2009202961135U
Authority: CN
Inventors: 冯清亮; 江勇豪
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-12-31
Filing date: 2009-12-31
Publication date: 2010-09-22
Anticipated expiration: 2019-12-31

Abstract

The utility model provides an abdominocentesis intubation device which is applicable to guiding a ventricle diversion tube for ventriculoperitoneal shunt surgery to insert into the peritoneal cavity during the ventriculoperitoneal shunt surgery; the intubation device comprises a puncture needle with a hollow inner cavity and capable of inserting into the peritoneal cavity, a guiding wire and a tearing-type catheter sheath. The abdominocentesis intubation device has no need to incise the peritoneal wall, has small wound, less surgical sequela, simple and safe operation, and lower surgery cost.

Description

A kind of abdominal paracentesis tube-placing device

Technical field

This utility model belongs to medical instruments field, particularly, relates to the abdominal paracentesis tube-placing device of using in a kind of v p shunt process.

Background technology

Ventriculoperitoneal shunt is an art formula the most frequently used in the present hydrocephalus bypass, and traditional ventriculoperitoneal shunt abdominal part is put pipe and needed open abdomen; Operating time is long, and damage is big, and the risk of intestinal adhesion, intestinal obstruction, abdominal hernia is arranged; The patient need lie in bed simultaneously, recovers slow; Abdominal part is left over the paralysed trace of operation.In recent years going deep into along with surgery Wicresoft theory, there is report to put pipe and imports abdominal cavity ventricles of the brain end by abdominal paracentesis, insert ventricles of the brain peritoneal shunt pipe by the abdominal part puncture at present, consult document, mainly contain following several method: (1) has the scholar to repay pilot production to insert the peritoneal shunt pipe with the method for anti-mcBurney point abdominal paracentesis, avoiding the complication of abdominal, but all be the self-control peritoneo-puncture needle or use the neurosurgery large size to attract head to grind into peritoneo-puncture needle and carry out abdominal paracentesis, or steel pipe and the Kirschner wire abdominal cavity of puncturing; (2) report that uses peritoneoscope and the auxiliary underlying pipe of pneumoperitoneum apparatus is also arranged.

Self-control peritoneo-puncture needle or use the neurosurgery large size to attract head to grind into peritoneo-puncture needle and carry out abdominal paracentesis, or steel pipe and Kirschner wire its shortcoming of abdominal cavity that punctures is that penetration damage is big, can't buy on the market in addition, is difficult to apply.Peritoneoscope and pneumoperitoneum apparatus are assisted the underlying pipe, the reliability height, and shortcoming is to need two cover forces, and the same batch of people's row is holed, is beaten tunnel, and another set of forces need grasp the abdominal cavity.Thereby develop a cover and be specifically designed to the abdominal paracentesis system to be used for ventriculoperitoneal shunt necessary.

The utility model content

The purpose of this utility model is to overcome the deficiencies in the prior art, a kind of abdominal paracentesis tube-placing device is provided, and it has does not need that open abdomen, damage are little, operation sequela few, simple to operate, safety, Wicresoft, surgery cost is lower and abdominal part is not left over advantages such as the tired trace of operation.

Embodiment of the present utility model is: a kind of abdominal paracentesis tube-placing device, the isocon abdominal end that is applicable to guiding v p shunt in the v p shunt process is inserted the abdominal cavity, comprise that inner chamber hollow can insert the puncture needle in abdominal cavity, described abdominal paracentesis tube-placing device also comprises:

Seal wire, the inner chamber of described seal wire and described puncture needle is complementary, and enters the abdominal cavity to pass described puncture needle inner chamber, and described puncture needle is extracted along described seal wire; And

Can tear catheter sheath, describedly tear that catheter sheath comprises epitheca and the interior sheath that is arranged in this epitheca and has a dilating effect is formed, sheath inner chamber hollow in described, the inner chamber and the described seal wire of sheath are complementary in described, thereby guide the described catheter sheath of tearing to insert the abdominal cavity along described seal wire, take out seal wire and interior sheath successively, keep epitheca in the abdominal cavity, the described outer sheath that supplies guides described isocon abdominal end to insert the abdominal cavity.

Described seal wire is a J type head seal wire.

The described epitheca of tearing catheter sheath is polytetrafluoroethylmaterial material, described in sheath be polypropylene material.

Described abdominal paracentesis tube-placing device also comprises a syringe.After described puncture needle inserts the abdominal cavity, connect the syringe of irritating normal saline behind the puncture needle, observe normal saline and whether flow under the influence of gravity into the abdominal cavity, whether be positioned at intraperitoneal to detect puncture needle.

The beneficial effects of the utility model are: abdominal paracentesis tube-placing device described in the utility model, avoided open abdomen in the v p shunt process, and damage little, few, simple to operate, the safety of operation sequela, surgery cost is lower, be suitable for applying.

Description of drawings

Fig. 1 a-e has showed puncture needle, the seal wire of abdominal paracentesis tube-placing device described in the utility model, the epitheca that can tear catheter sheath and interior sheath respectively, can tear catheter sheath and syringe.

After Fig. 2 a-2d had showed that puncture needle inserts the abdominal cavity, described seal wire one end passed described puncture needle inner chamber and enters the abdominal cavity, and extracts described puncture needle along the described seal wire other end, and described seal wire one end is kept somewhere process in the abdominal cavity.

Fig. 3 a-3f has showed that the described seal wire other end passes the described sheath within the catheter sheath of tearing, and the described catheter sheath of tearing is inserted the abdominal cavity along described seal wire, takes out the process of seal wire and interior sheath.

The specific embodiment

Below with reference to accompanying drawing abdominal paracentesis tube-placing device described in the utility model is described further.

With reference to Fig. 1 a, 1b, 1c, 1d and 1e.A kind of abdominal paracentesis tube-placing device is applicable in the v p shunt process that the isocon abdominal end of guiding v p shunt is inserted the abdominal cavity, and it comprises that inner chamber hollow can insert the puncture needle 10 in abdominal cavity; Seal wire 20, described seal wire are J type head seal wire, are a kind of soft silks; Can tear catheter sheath 30, describedly tear that catheter sheath 30 comprises epitheca 31 and the interior sheath 32 that is arranged in this epitheca 31 and has a dilating effect is formed, described in sheath 32 inner chamber hollows.Preferably, described abdominal paracentesis tube-placing device also comprises a syringe 40.

After Fig. 2 a, 2b, 2c and 2d had showed that described puncture needle 10 inserts abdominal cavities, described seal wire 20 1 ends passed described puncture needle inner chamber and enter the abdominal cavity, and extract described puncture needle along described seal wire 20 other ends, and described seal wire 20 1 ends are kept somewhere process in the abdominal cavity.Described seal wire 20 is complementary with the inner chamber of described puncture needle 10 and the inner chamber of described interior sheath 32.In the v p shunt process, after described puncture needle 10 inserts the abdominal cavity, through laparoscopic visualization, to abdominal viscera and blood vessel not damaged, the pumpback no liquid connects no bolt syringe 40 through puncture needle 10, and normal saline is put into syringe, see that normal saline flows under the influence of gravity into intraperitoneal, the puncture needle correct position then is described.Described seal wire 20 1 ends pass described puncture needle 10 inner chambers and enter the abdominal cavity, and extract described puncture needle 10 along described seal wire 20 other ends, and described seal wire 20 1 ends are kept somewhere in intraperitoneal.

Fig. 3 a, 3b, 3c, 3d, 3e and 3f have showed that described seal wire 20 other ends pass the described sheath 32 within the catheter sheath 30 of tearing, and the described catheter sheath 30 of tearing is inserted the abdominal cavity along described seal wire 20, take out the process of seal wire 20 and interior sheath 32.Described seal wire 20 other ends pass the described sheath 32 within the catheter sheath 30 of tearing, the described catheter sheath 30 of tearing is inserted the abdominal cavity along described seal wire 20, take out seal wire 20 and interior sheath 32 successively, the isocon abdominal end 50 of v p shunt is inserted the abdominal cavity along described epitheca 31 mouths of pipe, then tear described epitheca 31, described isocon abdominal end 50 is kept somewhere in the abdominal cavity.

In operation process, described isocon abdominal end 50 is connected with isocon encephalocoele end, thereby under the effect of pressure, hydrocephalus is imported the abdominal cavity.。

Described conduit 30 epithecas 31 of tearing are for the tetrafluoroethene material, described in sheath 32 be propylene material.

The foregoing description, it is preferred embodiment of the present utility model, be not to be used for limiting this utility model practical range,, all should be included within this utility model claim scope so all equivalences of being done with the described structure of this utility model claim, feature and principle change or modify.

Claims

1. abdominal paracentesis tube-placing device, the isocon abdominal end that is applicable to guiding v p shunt in the v p shunt process is inserted the abdominal cavity, comprise that inner chamber hollow can insert the puncture needle in abdominal cavity, it is characterized in that described abdominal paracentesis tube-placing device also comprises:

2. abdominal paracentesis tube-placing device as claimed in claim 1 is characterized in that, described seal wire is a J type head seal wire.

3. abdominal paracentesis tube-placing device as claimed in claim 1 is characterized in that, the described epitheca of tearing catheter sheath is a polytetrafluoroethylmaterial material, described in sheath be polypropylene material.

4. abdominal paracentesis tube-placing device as claimed in claim 1 is characterized in that, also comprises a syringe.