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Quick, safe and accurate united puncture needle

A puncture needle and fast technology, applied in the directions of puncture needle, trocar, etc., can solve the problem of difficulty in entering the rigid external anesthesia catheter smoothly, and achieve the effect of avoiding medical accidents and improving safety and accuracy.

Pending Publication Date: 2018-02-27
戴志福
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a fast, safe and accurate combined puncture needle to solve the problem that the hard epidural anesthesia catheter in the traditional combined dura mater and subarachnoid space anesthesia is difficult to enter the epidural space smoothly problem in

Method used

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  • Quick, safe and accurate united puncture needle
  • Quick, safe and accurate united puncture needle
  • Quick, safe and accurate united puncture needle

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] A fast, safe and accurate combined puncture needle, including an epidural puncture needle 1 and an anesthesia needle 2; the epidural puncture needle 1 includes an outer puncture needle body and an arc groove 11; the puncture needle body includes a puncture needle plug 12. Puncture needle stem 13 and puncture needle point 14, the puncture needle stem 13 is tubular, the puncture needle plug 12 is sleeved on one end of the puncture needle stem 13, and the other end of the puncture needle stem 13 is provided with a puncture needle point 14 , the puncture needle point 14 is an elbow, the puncture needle point 14 is provided with a first opening 15, the first opening 15 is located on one side of the puncture needle stem 13, and the other side of the puncture needle stem 13 is provided with a An arc-shaped groove 11 with a clearance fit on the outside of the anesthesia needle 2 stems, the axial direction of the arc-shaped groove 11 is parallel to the axial direction of the punc...

Embodiment 2

[0045] A fast, safe and accurate combined puncture needle described in Embodiment 1, the outer side of the puncture needle barrel 13 is provided with an arc-shaped groove 11 . As one of the implementations of the arc-shaped groove 11, the arc-shaped groove 11 is directly opened on the outer side of the puncture needle barrel 13. In the actual processing process, in order to easily process the arc-shaped groove 11 with a superior arc, the arc-shaped groove 11 can be formed on the opened arc. The edge of shaped groove 11 is provided with raised edge protection.

Embodiment 3

[0047] A fast, safe and accurate combined puncture needle described in Embodiment 1, the outer side of the puncture needle barrel 13 is provided with an arc-shaped groove 11 . As one of the implementations of the arc-shaped groove 11, the arc-shaped groove 11 is directly opened on the outer side of the puncture needle barrel 13. In the actual processing process, in order to easily process the arc-shaped groove 11 with a superior arc, the arc-shaped groove 11 can be formed on the opened arc. The edge of shaped groove 11 is provided with raised edge protection.

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Abstract

The invention relates to quick, safe and accurate united puncture needle. The quick, safe and accurate united puncture needle comprises a spinal epidural puncture needle and an anesthetic needle. By arranging an arc-shaped groove which is axially parallel to a needle stem is formed in the other side, which is opposite to a first opening, of the needle stem of a puncture needle body and designing the arc-shaped groove in a structure of which the cross section is a major arc, the anesthetic needle can be wrapped by the arc-shaped groove which is of the major arc structure when the anesthetic needle slides in the arc-shaped groove, the anesthetic needle cannot deviate from the arc-shaped groove under muscle resistance, and the anesthetic needle can quickly, safely and accurately enter a subarachnoid space; since a wound generated on an arachnoid by the anesthetic needle deviates from the position where the first opening is located, when an epidural anesthetic catheter is inserted in an inner cavity of the puncture needle body, the epidural anesthetic catheter cannot be inserted in the subarachnoid space from the wound by mistake, the safety and the accuracy of anaesthesia are effectively increased, and a medical accident is prevented from occuring.

Description

technical field [0001] The invention relates to the technical field of combined epidural space and subarachnoid space anesthesia tools, in particular to a fast, safe and accurate combined puncture needle. Background technique [0002] The traditional way of combined epidural space and subarachnoid space anesthesia is to insert the needle of the epidural puncture needle into the epidural space, and then insert the anesthesia needle through the inner cavity of the epidural puncture needle and place it on the spinal cord. Under the guidance of the extramembranous puncture needle, it is inserted into the subarachnoid space, so as to inject anesthetics into the subarachnoid space. After the injection of the anesthetic is completed, the anesthesia needle needs to be withdrawn, and then the epidural anesthesia catheter is inserted into the inner cavity of the epidural puncture needle, and is guided along the epidural puncture needle. The opening of the needle passes through, enter...

Claims

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Application Information

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IPC IPC(8): A61B17/34
CPCA61B17/3401A61B17/3417
Inventor 戴志福
Owner 戴志福
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