CN200994805Y - Double-tubing narcotic puncture needle - Google Patents

Abstract

The utility model relates to a double-tube anesthesia puncture needle, which comprises an outer needle tube (1) and an inner needle tube (2). The utility model is characterized in that the outer needle point (3) of the outer needle tube (1) is scoop-shaped, and a through hole (4) which can pass through the inner needle point (5) of the inner needle tube (2) is provided on a position of the scoop back over against the needle tube (2).

Description

A kind of double hose anaesthetic puncture needle

(1) technical field

This utility model relates to the puncture needle that a kind of local anesthesia is used, particularly a kind of double hose anaesthetic puncture needle.

(2) background technology

The anesthesia duration of dura mater anesthesia is limited, can not satisfy long operation demand, so at present, the time, long operation must be adopted general anesthesia, can bring some complication to the patient and general anesthesia is two, as injury of tracheal intubation, excessive phlegm, pulmonary infection etc.

(3) summary of the invention

The technical problems to be solved in the utility model is: a kind of double hose anaesthetic puncture needle that prolongs the dura mater anesthesia duration is provided.

In order to solve the problems of the technologies described above, this utility model comprises outer needle tubing and inner needle tube, and the outer needle point of described outer needle tubing is a spoon shape, spoon back and inner needle tube over against the position through hole that can pass through the interior needle point of inner needle tube is arranged.

The beneficial effects of the utility model are: earlier with outer needle tubing puncture, add local anaesthetics from inner needle tube then when this utility model uses, can prolong the dura mater anesthesia duration, and this utility model is simple in structure, easy to use.

(4) description of drawings

Fig. 1, Fig. 2 are this utility model two states structural representations;

Among the figure: 1, outer needle tubing, 2, inner needle tube, 3, outer needle point, 4, through hole, 5, interior needle point.

(5) specific embodiment

A kind of specific embodiment as shown in Figure 1 and Figure 2, it comprises outer needle tubing 1 and inner needle tube 2, the outer needle point 3 of outer needle tubing 1 is a spoon shape, there is the long cylinder hole rear end of outer needle tubing 1, the interior needle point 5 of inner needle tube 2 is pointed for awl, the long cylinder that the rear end of inner needle tube 2 has one section long cylinder hole, rear end with outer needle tubing 1 to match, 3 spoonfuls of backs of outer needle point and inner needle tube 2 over against the position through hole 4 of interior needle point 5 that can be by inner needle tube 2 is arranged.

During use, earlier this utility model is adjusted to state shown in Figure 2, carry out puncture procedure again, push away inner needle tube 2 then forward, inject local anaesthetics to state as shown in Figure 1.

Claims (1)

1. double hose anaesthetic puncture needle, comprise outer needle tubing (1) and inner needle tube (2), it is characterized in that: the outer needle point (3) of described outer needle tubing (1) is a spoon shape, spoon back and inner needle tube (2) over against the position through hole (4) of the interior needle point (5) that can pass through inner needle tube (2) is arranged.

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