CN201939456U

CN201939456U - Novel combined spinal-epidural blockage trochar

Info

Publication number: CN201939456U
Application number: CN2010206690402U
Authority: CN
Inventors: 戚增斌
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-12-20
Filing date: 2010-12-20
Publication date: 2011-08-24
Anticipated expiration: 2020-12-20

Abstract

The utility model discloses a novel combined spinal-epidural blockage trochar, which solves the problem that a path is unsmooth when a traditional trochar is placed into a pen-tip-like spinal anesthesia needle; and the trochar comprises an epidural anesthesia needle, an epidural conduit and the pen-tip-like spinal anesthesia needle, wherein the epidural anesthesia needle comprises a needle stem and a needle body, the tail end of the needle body is fixed in the needle stem, the tip of the needle body is a spoon-shaped tangential surface, the cross section of the needle body is triangular, and a triangular opening with a downward tip is arranged at the back of the spoon-shaped tangential surface of the needle body. In the utility model, the cross section of the needle body is changed to be triangular, so that when the pen-tip-like spinal anesthesia needle is placed by a doctor, the pen-tip-like spinal anesthesia needle can penetrate in the trochar from a gap formed by the included angle of both edges of a triangle and penetrate out of the trochar from the triangular opening at the back of the spoon-shaped tangential surface, a passage is unblocked, an anesthesia operation can be implemented as soon as possible, the pain of patients is reduced, and the successful rate of combined anesthesia is improved.

Description

The retardance trocar is united in the epidural of novel ridge fiber crops

Technical field

This utility model relates to a kind of anesthetic needle, and concrete is that the retardance trocar is united in the epidural of a kind of ridge fiber crops.

Background technology

The ridge fiber crops are to use special ridge fiber crops epidural to unite the retardance trocar with some puncture methods of dura mater combined anesthesia, i.e. " pin in pin " technology, method is at waist 2-3 or waist 3-4 gap puncture epidural guide pin, after negative pressure test or the success of resistance extinction test proof epidural puncture, insert broken spinal dura mater of 25-27G nib sample ridge fiber crops acupuncture and arachnoidea through this guide pin, treat that cerebrospinal fluid flows out the back and injects the capable ridge fiber crops of required local anaesthetics; Withdraw from spinal analgesia transfixion pin then, puncture procedure finishes after this anesthesia spinal needle is inserted epidural catheter again.

In the implementation process of this method, 1-5 minute interval when recovering dorsal position, subarachnoid space injection and patient is arranged, put pipe and ignored the regulation and control of retardance plane to epidural space if only note this moment, the too high serious patient breath cycle that causes of level of anesthesia may occur suppresses, level of anesthesia also may occur crosses low and one-sided retardance and can not satisfy requirements of operation, in case therefore requiring conduit can not insert smoothly, should pull out puncture needle immediately, putting patient Yu Ping crouches to adjusting level of anesthesia, because the human body epidural space contains abundant fatty tissue, tremulous pulse, vein and lymphatic vessel, and the spinal nerve root pass-out is arranged, be forced to so often have after the subarachnoid space injection 5 minutes and still can not insert epidural catheter smoothly puncture needle extracted and cause the combined spinal-epidural anesthesia failure.

It must be to carry out earlier inserting epidural catheter behind the ridge fiber crops that the structures shape anesthesia process that blocks trocar is united in the epidural of existing ridge fiber crops, because the restriction of existing anesthesia spinal needle needle structure, if can't insert spinal analgesia transfixion pin after inserting epidural catheter earlier, go into the pin path if adopt outer another fine needle of secured in parallel again of the needle body of existing anesthesia spinal needle to go into the footpath as ridge fiber crops pin, can make the needle body of anesthesia spinal needle become too thick, and increase patient's damage.

Summary of the invention

The purpose of this utility model provides the epidural of a kind of novel ridge fiber crops and unites the retardance trocar, operates fast and accurately when this trocar makes things convenient for the doctor to implement anesthesia surgery, thereby alleviates patient's misery, improves the success rate of combined anesthesia.

For solving the problems of the technologies described above, the technical scheme that this utility model adopted is: the retardance trocar is united in the epidural of novel ridge fiber crops, comprise the epidural anesthesia pin, epidural catheter and nib sample ridge fiber crops pin, wherein the epidural anesthesia pin is made up of needle body and pin base of a fruit two parts, the tail end of described needle body is fixed in the pin base of a fruit, and the tip of needle body is a spoon shape tangent plane, and the cross section of needle body is a triangle.

In order better to make nib sample ridge fiber crops pin insert the epidural anesthesia pin smoothly, fast, preferably be provided with the triangle mouth of pointed end at the back of epidural anesthesia pin spoon shape tangent plane.

The utlity model has following beneficial effect: the retardance trocar is united in the application's novel ridge fiber crops epidural, structure to wherein epidural anesthesia pin is improved, concrete is changes the cross section of its needle body into triangle, make when the doctor inserts nib sample ridge fiber crops pin again after inserting epidural catheter, can in the space that triangle both sides angle forms, penetrate, from the triangle mouth at spoon shape tangent plane back, pass, this passage is unblocked, insert nib sample spinal analgesia transfixion pin again after can inserting epidural catheter so earlier, insert epidural catheter again after also can inserting nib sample spinal analgesia transfixion pin and injecting anesthetic medicine earlier, the doctor can select to insert order according to practical situation, optimize the anesthesia process, implement anesthesia surgery as early as possible, reduce patient's misery, improve the success rate of combined anesthesia.

Description of drawings

Fig. 1 is the front view of epidural anesthesia pin.

Fig. 2 is the vertical view of epidural anesthesia pin.

Fig. 3 is the left view of epidural anesthesia pin.

Fig. 4 is the right view of epidural anesthesia pin.

Wherein: the 1-pin base of a fruit, 2-needle body, 3-spoon shape tangent plane, 4-triangle, 5-triangle mouth.

The specific embodiment

The utility model is described in further detail below in conjunction with accompanying drawing:

By shown in Figure 1, the retardance trocar is united in novel ridge fiber crops of the present utility model epidural, comprise the epidural anesthesia pin, epidural catheter and nib sample ridge fiber crops pin, these three parts of forming trocar, it is separate existence, just need when in use to use successively, this point has been illustrated in background technology, the application does not carry out architecture advances to epidural catheter in this trocar and nib sample ridge fiber crops pin, emphasis is that the epidural anesthesia pin is improved, concrete is that the epidural anesthesia pin is made up of needle body 2 and the pin base of a fruit 1 two parts, and the tail end of described needle body 2 is fixed in the pin base of a fruit 1, and the tip of needle body 2 is a spoon shape tangent plane 3, the cross section of needle body is a triangle 4, and the back of spoon shape tangent plane 3 is provided with the triangle mouth 5 of pointed end.

The application still keeps the spoon shape tangent plane of epidural anesthesia pin, so both can guarantee the feel when the original spoonful of blunt pin of shape tangent plane punctures, can keep the guided bone of its spoonful shape tangent plane again to the epidural catheter direction, spoon shape tangent plane back triangle mouth and needle body triangle tangent plane provide open conduit for nib sample ridge fiber crops pin simultaneously, guaranteed that very thin nib sample ridge fiber crops pin does not clash with epidural catheter, performance effect separately to greatest extent, thus carrying out smoothly of combined anesthesia operation guaranteed.

Claims

1. the retardance trocar is united in novel ridge fiber crops epidural, comprise the epidural anesthesia pin, epidural catheter and nib sample ridge fiber crops pin, wherein the epidural anesthesia pin is made up of the pin base of a fruit (1) and needle body (2) two parts, the tail end of described needle body (2) is fixed in the pin base of a fruit (1), the tip of needle body (2) is a spoon shape tangent plane (3), and it is characterized in that: the cross section of needle body (2) is triangle (4).

2. the retardance trocar is united in novel ridge fiber crops according to claim 1 epidural, it is characterized in that: the triangle mouth (5) that is provided with pointed end at the back of needle body (2) spoon shape tangent plane (3).