CN2776414Y

CN2776414Y - Multifunction encephalocoele external drain device

Info

Publication number: CN2776414Y
Application number: CN 200520080992
Authority: CN
Inventors: 李永峰; 祝福安; 朱庄德; 孙庆才; 王朝玲
Original assignee: 李永峰
Priority date: 2005-03-25
Filing date: 2005-03-25
Publication date: 2006-05-03
Anticipated expiration: 2015-03-25

Abstract

The utility model provides a multifunctional external ventricular drainage device, which is composed of a drainage tube and a drainage bottle, wherein the drainage tube is connected with the drainage bottle through a transfusion catheter. A brain liquid drainage cavity and a medicine injection cavity are arranged in the middle of the drainage tube; the lower end of the medicine injection cavity is communicated with a medicine outlet, and the upper end of the medicine injection cavity is connected with a medicine injection nozzle which is provided with a sealing rubber plug. The lower end of the brain liquid drainage cavity is communicated with a brain liquid drainage hole, and the upper end of the brain liquid drainage cavity is connected with an inlet of a cock valve which is arranged on the top of the drainage tube; an outlet of the cock valve is connected with a catheter through the transfusion catheter, and a unidirectional valve is arranged on the lower end of the catheter. The catheter which is provided with the unidirectional valve is fixed on a drainage bottle opening through a bottle plug, and scales are arranged on the surface of the drainage bottle opening; the drainage bottle is fixed into integration with a lifting bracket of the drainage bottle through a bottle support. Compared with the prior art, the utility model has the characteristics of simple structure, convenient use, safety, etc.

Description

Multi-functional EVD device

1, technical field

This utility model relates to a kind of medical apparatus and instruments, specifically a kind of multi-functional EVD device for the treatment of hydrocephalus.

2, background technology

People's brain is easy to form hydrocephalus after coming to harm, if untimely the hydrops drain is emitted, weight person causes cerebral tissue death, the lighter can to the patient stay blind, become deaf or serious sequela such as hemiplegia.The drain hydrocephalus is will the EVD device be set by operation to finish.The EVD device of prior art does not have special equipment, other apparatuses that use replace more, in practical clinical, exist a lot of not enough: the EVD Guan Weidan chamber drainage tube that (1) is present, when the Intraventricular injection, when extracting specimen or ventricles of the brain flushing, need extract the injection in drainage tube again of drainage bottle joint, increased the chance of intracranial infection, in addition: the irrelevant make and break of drainage tube is closed, and clinically must use pipe clamp to close when needing the temporary close drainage tube.(2) present EVD pipe does not have supporting puncture needle, generally replaces with orthopedic kirschner pin, and no scale does not match.(3) present drainage tube does not have scale, and is dangerous during puncture, dark situation often occurs puncturing.(4) the outer leading-in device of the ventricles of the brain that use does not at present have anti-reflux device, and the drain liquid in pipe flows backwards in the time of can't solving intracranial sudden change negative pressure (as patient's expectoration time), and the drain liquid in pipe flows backwards and easily causes intracranial infection.(6) not have scale or scale inaccurate for drainage bottle, is unfavorable for nurse's compute discrepancy amount.

3, summary of the invention

The purpose of this utility model provides a kind of multi-functional EVD device simple in structure, safe and practical, easy to use.

The purpose of this utility model realizes in the following manner, adopt elastic rubber material to make the hydrocrania drainage tube, adopt two-tube mouthful of double lumen design in the drainage tube, one of them mouth of pipe effect hydrocephalus draining hole, communicate with the ventricles of the brain by drainage lumens and inlet opening, another mouth of pipe is the medicinal liquid inlet, communicate with the ventricles of the brain by medicinal liquid injection channel and medicine liquid outlet, in order to prevent directly to discharge when medicinal liquid from injecting from conduction hole, being provided with at the mouth of pipe place as the hydrocephalus draining hole can be by the plug valve of manually closing, in order accurately to locate the degree of depth that drainage tube inserts the ventricles of the brain, the pipe outer wall of drainage tube is provided with the location scale, the drain of drainage tube and the injection operation that have solved prior art like this use same mouth of pipe institute with the trouble of rice and the drawback of infection repeatedly, the drawback that has injured beyond having avoided simultaneously that the drainage tube insertion depth is improper cerebral tissue being caused.There is not scale medical personnel inconvenience to grasp the problem and the uppity drawback of drainage bottle height of water yield in order to solve drainage bottle, the water yield scale of setting up on the outer wall of drainage bottle of the present utility model, the use that utilizes the altitude mixture control support to regulate drainage bottle simultaneously guarantees that highly encephalopathy patient employed discharge pressure during the difference treatment reduces patient's misery, flow backwards owing in drainage bottle, be provided with the drain liquid in pipe that causes when the check valve of anti-liquid of tube for transfusion and air refluence can avoid intracranial sudden change negative pressure to produce fully, cause the danger of intracranial infection.Having set up accurate liquid capacity scale in addition on the outer wall of drainage bottle, is the reliable treatment information of providing of medical personnel with the convenience.

4, description of drawings

Accompanying drawing 1 is the overall structure sketch map of multi-functional EVD device;

Accompanying drawing 2 is the internal structure sketch map of multi-functional EVD device drainage bottle;

Accompanying drawing 3 is the puncture needle of multi-functional EVD device and the user mode sketch map of drainage tube;

Accompanying drawing 4 is the structural representation of puncture needle.

Description of reference numerals;

1 drainage tube; 2 medicinal liquid taps; 3 hydrocephaluss enter the hole; 4 cerebral liquid leading cavities; 5 medicines inject the chamber; The 6 injecting liquid drug mouths of pipe; 7 sealing plugs; 8 plug valves; 9 drainage bottles; 10 drainage bottle altitude mixture control supports; 11 drainage bottle holders; 12 check valves; 13 drainage bottle scales; 14 drain bottle stoppers; 15 drainage bottle conduits; 16 puncture needles; 17 transfusion catheters; 18 drainage bottle exhaustors; 19 drainage tube scales; 20 puncture needle scales

5, the specific embodiment

Below in conjunction with accompanying drawing multi-functional EVD device of the present utility model is done following detailed explanation.

As accompanying drawing 1, shown in accompanying drawing 2 and the accompanying drawing 3, multi-functional EVD device of the present utility model is by drainage tube 1, drainage bottle 9, drainage tube 1 connects to form by transfusion catheter 17 and drainage bottle 9, the centre of drainage tube 1 is provided with cerebral liquid leading cavity 4 and medicine injects chamber 5, the lower end that medicine injects chamber 5 communicates with medicinal liquid tap 2, the upper end that medicine injects chamber 5 joins with the medicine injection mouth of pipe 6 that is provided with sealing plug 7, the lower end of cerebral liquid leading cavity 4 communicates with brain liquid drainage hole 3, the upper end joins with plug valve 8 inlets that are arranged on drainage tube 1 top, the outlet of plug valve 8 is connected by the drainage bottle conduit 15 that transfusion catheter 17 and lower end are provided with check valve 12, the drainage bottle conduit 15 that is provided with check valve 12 is fixed on drainage bottle 9 oral areas that the surface is provided with scale 13 by bottle stopper 14, and drainage bottle 9 is fixed together by bottle holder 11 and drainage bottle altitude mixture control support 10.

The medicine that medicine injects 5 lower ends, chamber portal 2 and the brain liquid drainage hole 3 of cerebral liquid leading cavity 4 can be positioned on the same centrage, but also stagger mutually but all communicate with the outside ventricles of the brain in the position.

The check valve 12 that is arranged on drainage bottle bottle 9 oral area drainage bottle conduit lower ends can adopt one-way membrane valve, also can adopt other forms of check valve.

Drainage tube 1 adopts the elasticity medical grade rubber to make, and the lower end is round blunt, is provided with location scale mark 19 at the outer surface of drainage tube 1.

One end of puncture needle 16 is a tip-like, and the other end is the round end shape, and the needle body Surface Machining of puncture needle has puncture needle scale 20, and sphaerocepharous end is inserted in the support guiding that is used for drainage tube 1 in the drainage tube 1 intermediary drainage lumens 4.

Embodiment:

The doctor is when doing the hydrocephalus surgical drainage, earlier with drill for craniotomy perforate on the skull site of puncture, tip with puncture needle punctures the periosteum insertion ventricles of the brain, then the blunt end of puncture needle is inserted in the drainage lumens of drainage tube, the rubber-like drainage tube slowly injects the ventricles of the brain under the support guiding of puncture needle, the degree of depth of inserting is measured by the scale on surface, drainage tube after inserting the ventricles of the brain is extracted puncture needle, connect plug valve and connect drainage bottle by drainage catheter, starting cock valve hydrocephalus just flows in the drainage bottle.Injectable drug or flushing clot in the ventricles of the brain if desired can first cut-out tap valves, by the injection mouth of pipe medicine are injected into medicine and inject the chamber and send into the ventricles of the brain, and then open plug valve and recover drainage treatment.The drainage treatment initial stage can be adjusted the height of drainage bottle because cerebral is higher, along with the recovery of cerebral can suitably reduce the height of drainage bottle to reduce patient's misery.In the treatment later stage, patient's activity can be taken off drainage catheter and drainage bottle at interval by the cut-out tap valve for convenience.But note protecting from infection.The outlet of plug valve and the medicine injection mouth of pipe all will adopt and hide or disinfect.

Claims

1, multi-functional EVD device, comprise drainage tube, drainage bottle and puncture needle, drainage tube is connected with drainage bottle by transfusion catheter, the centre that it is characterized in that drainage tube is provided with cerebral liquid leading cavity and medicine injection chamber, the lower end that medicine injects the chamber communicates with the medicinal liquid tap, the upper end that medicine injects the chamber joins with the medicine injection mouth of pipe that is provided with the sealing plug, the lower end of cerebral liquid leading cavity communicates with brain liquid drainage hole, the upper end joins with the plug valve inlet that is arranged on the drainage tube top, the outlet of plug valve is connected by the drainage bottle conduit that transfusion catheter and lower end are provided with check valve, the drainage bottle conduit that is provided with check valve is fixed on the surface by bottle stopper and is provided with graduated drainage bottle oral area, and drainage bottle is fixed together by bottle holder and drainage bottle altitude mixture control support.

2, multi-functional EVD device according to claim 1 it is characterized in that medicine that medicine injects the lower end, chamber portals and the brain liquid drainage hole of cerebral liquid leading cavity can be positioned on the same centrage, but also staggers mutually but all communicates with the outside ventricles of the brain in the position.

3, multi-functional EVD device according to claim 1 is characterized in that the check valve that is arranged on drainage bottle oral area conduit lower end can adopt one-way membrane valve, also can adopt other forms of check valve.

4, multi-functional EVD device according to claim 1 is characterized in that drainage tube adopts the elasticity medical grade rubber to make, and the lower end is round blunt, is provided with the location scale mark at the outer surface of drainage tube.

5, multi-functional EVD device according to claim 1, an end that it is characterized in that puncture needle is a tip-like, the other end is the round end shape, and the needle body surface of puncture needle adds 1 scale, and sphaerocepharous end is inserted in the support guiding that is used for drainage tube in the intermediary cerebral liquid leading cavity of drainage tube.