CN201333084Y

CN201333084Y - Anesthesia spinal needle

Info

Publication number: CN201333084Y
Application number: CNU2008202324664U
Authority: CN
Inventors: 冯玉华; 颜道明
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-12-19
Filing date: 2008-12-19
Publication date: 2009-10-28
Anticipated expiration: 2018-12-19

Abstract

The utility model discloses an anesthesia spinal needle capable of effectively controlling the depth of a needle head into the human body, which belongs to medical appliances. The anesthesia spinal needle comprises a needle body; the front end of the needle body is the needle head; a positioning sleeve gasket passes through the needle head; a fixed screw is connected on the positioning sleeve gasket through screw threads; and the fixed screw can be butted on the needle head. The utility model effectively prevents spinal nerve injury caused by overexertion of the anesthesia spinal needle in the puncture process, and overcomes the problem of difficult control of the needling depth of the anesthesia spinal needle in the puncture process.

Description

Anesthesia spinal needle

Technical field

This utility model relates to a kind of medical apparatus and instruments, relates in particular to a kind of anesthesia spinal needle.

Background technology

Epidural anesthesia is that local anaesthetics is expelled to spinal epidural cavity, and the retardance spinal nerve root makes its domination zone produce anesthesia.Anesthesia spinal needle safety enters spinal epidural cavity, is Anesthetist's primary work.Puncture needle safety enters spinal epidural cavity must pass through ligament, ligamenta flava between skin, ridge arnold ligament, ridge successively, enters spinal epidural cavity at last.Resistance increases when ligamenta flava is arrived in puncture acupuncture, need to strengthen thrust to puncture needle, but can not control the degree of depth that syringe needle enters effectively, if this moment is excessive to the anesthesia spinal needle application of force, then might cause and pass spinal epidural cavity and enter subarachnoid space, even stab spinal cord, cause the paraplegia complication.

Summary of the invention

The purpose of this utility model provides a kind ofly can effectively control the anesthesia spinal needle that syringe needle enters the degree of depth in the human body.

For achieving the above object, the technical solution adopted in the utility model is:

A kind of anesthesia spinal needle comprises needle body, and the front end of needle body is a syringe needle, it is characterized in that: be installed with the location sleeve gasket on the syringe needle, and the fixed screw that has been threaded on the sleeve gasket of location, fixed screw can be against on the syringe needle.

This utility model can prevent the puncture needle excessive injured nerve spinal cord of exerting oneself effectively in piercing process, overcome the difficult problem of puncture needle bad control of depth of needle in piercing process.

Description of drawings

Fig. 1 is a structural representation of the present utility model.

The specific embodiment

Below in conjunction with the drawings and specific embodiments this utility model is further described:

A kind of anesthesia spinal needle as shown in Figure 1, comprises needle body 1, and the front end of needle body 1 is a syringe needle 2, is installed with location sleeve gasket 3 on the syringe needle 2, the fixed screw 4 that has been threaded on the sleeve gasket 3 of location, and fixed screw 4 can be against on the syringe needle 2.

Making material of the present utility model comprises: one of the outer puncture needle of disposable dura mater, one of the long 1.5cm rustless steel of diameter 1cm cylinder (being used for making the location sleeve gasket), one of the fixed screw of band handle.

Making step of the present utility model is as follows:

1, make a call to a through hole at rustless steel cylinder center, the aperture is identical with the anesthesia spinal needle external diameter, opens a silk hole that matches with fixed screw at cylinder one end then.

2, the rustless steel cylinder that will beat through hole is inserted on the outer puncture needle syringe needle of disposable dura mater, screws tight fixed screw and gets final product.

3, be easy to operate, fixed screw one end is provided with one handle, so that adjust sleeve gasket position on the puncture needle syringe needle outside disposable dura mater, location at any time.

This utility model pierces into the row sterilization with the outer puncture needle of disposable dura mater earlier in use, put on the location sleeve gasket, estimate the degree of depth of skin according to patient's bodily form to spinal epidural cavity, when puncture needle arrives ligamenta flava near spinal epidural cavity, screw tight fixed screw stationary positioned sleeve gasket, after the location sleeve gasket is close to skin, spiral shell pine fixed screw will be located sleeve gasket and move 2 millimeters behind puncture needle, screw tight the fixing puncture of fixed screw once more, make puncture needle enter spinal epidural cavity until complete operation with 2 millimeters the degree of depth like this at every turn.

Advantage of the present utility model is as follows:

1, the making material source of location sleeve gasket is abundant, makes simple economy.

2, the position of sleeve gasket on the anesthesia spinal needle syringe needle, location can be adjusted as required at any time, so that control The depth of needle of puncture needle processed in piercing process.

3, be convenient to patient operation, avoided firmly excessive, inserting needle to cross dark and uppity danger.

Claims

1, a kind of anesthesia spinal needle, comprise needle body (1), the front end of needle body (1) is syringe needle (2), it is characterized in that: be installed with location sleeve gasket (3) on the syringe needle (2), locate the fixed screw (4) that has been threaded on the sleeve gasket (3), fixed screw (4) can be against on the syringe needle (2).