CN215194503U - Disposable retraction type transfusion protective needle - Google Patents

Abstract

The utility model discloses a disposable retraction formula infusion protection needle relates to the needling instrument field to soft sleeve pipe extension pipe meets with infusion steel needle and fixes to the boundary, is the stereoplasm sleeve pipe before the joint, is soft sleeve pipe behind the joint, and the needle point of scalp acupuncture is connected for the breakpoint formula to the connecting portion position design of steel needle and needle handle, and the breakpoint position is convex binding off, is equipped with oval-shaped blood return observation window above the soft sleeve pipe of stereoplasm sleeve pipe and soft sheathed tube junction. When the needle is pulled out, the needle tip part can be wrapped by the breakpoint to the hard sleeve part after the steel needle is withdrawn, thereby avoiding the needle stick injury of medical staff. Adopt arc binding off can conveniently separate preceding needle cap and stereoplasm sleeve pipe, and the breakpoint formula is connected can link to each other with preceding needle cap better, adopts the design of integral type soft or hard sleeve pipe and fixed handle, can increase the preceding needle cover and retract the fixed of needle body, needle handle.

Description

Disposable retraction type transfusion protective needle

Technical Field

The utility model relates to the field of needles, in particular to a disposable retractable protective needle for transfusion.

Background

When a clinical nurse treats the needle after the disposable steel needle infusion is finished, the clinical nurse can cause needle stick injuries by carelessness. At present, the existing clinical venous transfusion adopts a disposable precise filtering transfusion device. Consists of a scalp needle, a protective cap, a luer connector, a transfusion hose, a liquid medicine filter, a flow rate regulator, a drip cup, a precise filtering device, a bottle stopper puncture outfit, an air inlet pipe and an air filter which are connected. When transfusion is finished, the traditional scalp needle is soft when a transfusion pillow is pulled out, and when a nurse pulls out the needle and covers the front needle cap, the contaminated needle head easily stabs fingers. Therefore, the scalp acupuncture connecting part of the disposable precise infusion apparatus is mainly improved so as to avoid secondary injury caused by needle puncture injury caused by various reasons in the needle pulling process.

In order to solve the problem of needle stick injury, the chinese patent with application number 201220635944.2 provides a safety protection transfusion needle, which comprises a body and a safety cover, wherein a needle wing part is arranged at the side of the body, one end of the needle wing part is connected with a needle head, and the other end of the needle wing part is connected with a transfusion tube; the safety cover is a hollow cover body used for containing the body, the side edge of the front end of the safety cover is provided with an inclined plane opening, the side edge of the rear end of the safety cover is provided with a concave opening, before the transfusion needle is used, the needle wing part is arranged in the inclined plane opening, the needle head protrudes out of the safety cover, after the transfusion needle is used, the needle wing part is pulled backwards into the concave opening from the inclined plane opening, and then the needle head is covered in the safety cover. Although the transfusion needle can retract the needle head into the safety shield after use, the safety shield has larger volume and inconvenient operation due to the split structure.

SUMMERY OF THE UTILITY MODEL

The utility model aims at avoiding the puncture injury of the needle when the clinical nurse pulls out the needle or handles the sharp device of the needle head after the venous transfusion is finished, and providing a disposable retraction type transfusion protection needle.

In order to realize the purpose, the adopted technical scheme is as follows:

the disposable retraction type transfusion protective needle comprises a front needle cap, a steel needle, a needle handle, a hard sleeve, a soft sleeve and a boosting handle, wherein the front needle cap is connected with the hard sleeve in a breakpoint manner at the joint of the hard sleeve and the steel needle, and the breakpoints of the hard sleeve and the front needle cap are closed by adopting an arc shape, so that the separation operation of the front needle cap and the hard sleeve is facilitated; the positions from the breakpoint to the needle handle joint are all hard sleeves; the soft sleeve is arranged from the lower end of the needle handle joint to the tail end of the protective needle, a blood return observation window is arranged on the wall of the soft sleeve at the joint of the hard sleeve and the soft sleeve, and the blood return condition can be observed through the blood return observation window to judge whether the puncture operation is successful or not; a needle handle slideway is arranged from the needle handle to the upper part of the soft sleeve downwards, and the length of the needle handle slideway is from the needle point of the steel needle to the lower part of the needle handle; the left side position that the needle handle corresponds be equipped with the boosting handle of rectangle.

In a further improvement, the breakpoint of the breakpoint connection is positioned at the connection part of the steel needle and the needle handle.

In a further improvement, the blood return observation window is elliptical.

The utility model has the advantages that: the contaminated needle head can be fixed on the sleeve part, so that the occurrence of needle stick injury of medical staff is avoided; the breakpoint of the hard sleeve and the soft sleeve adopts an arc closing in, so that the hard sleeve is more closely attached to the needle handle after being separated from the needle cap, and the stability is improved. The blood return observation window can help to judge whether the puncture needle is placed in the blood vessel; the boosting handle is favorable for increasing the stability of the steel needle when retracting.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: 1. the blood return needle comprises a front needle cap, 2, a breakpoint, 3, a steel needle, 4, a needle handle, 5, a blood return observation window, 6, a hard sleeve, 7, a soft sleeve, 8, a needle handle slide way, 9 and a boosting handle.

Detailed Description

The invention will be further explained and explained with reference to the drawings and examples.

Example (b): referring to fig. 1, the disposable retractable protective needle for infusion comprises a front needle cap 1, a steel needle 3, a hard cannula 6, a soft cannula 7 and a boosting handle 9, wherein a joint of the hard cannula 6 and the steel needle 3 is provided with a front needle cap 1 connected in a breakpoint manner, and the hard cannula 6 at the breakpoint 2 adopts an arc-shaped closing-up; the positions of the joints from the breakpoint 2 to the needle handle 4 are all the hard sleeves 6; the position from the joint of the needle handle 4 to the tail end of the device is a soft sleeve 7, an oval blood return observation window 5 is arranged above the soft sleeve 7 at the joint of the hard sleeve 6 and the soft sleeve 7, and whether the puncture is successful or not can be judged by observing the blood return condition through the blood return observation window 5; a needle handle slideway 8 with the length from the needle tip to the lower part of the needle handle 4 is arranged from the needle handle 4 to the upper part of the soft sleeve 7; a rectangular boosting handle 9 is arranged at the left side position corresponding to the needle handle 4.

The using method comprises the following steps: when the infusion is started, the needle is held by the right hand, the front needle cap 1 is rotated by the left hand and then pulled upwards, the needle head is exposed, then the puncture is carried out, the blood return in the blood return observation window 5 is observed, and the successful puncture is indicated. After the transfusion is finished, the left hand holds the boosting handle 9 for fixing, the right hand holds the needle handle 4 for pulling out the needle, the steel needle 3 is retreated into the needle handle slideway 8, the needle point of the steel needle is just retracted and fixed on the hard sleeve 6 part and is wrapped up, and the puncture point is pressed at the moment.

Claims (3)

1. Disposable retraction formula infusion protection needle, its characterized in that: the needle comprises a front needle cap (1), a steel needle (3), a needle handle (4), a hard sleeve (6), a soft sleeve (7) and a boosting handle (9), wherein the front needle cap (1) is connected in a breakpoint manner at the joint of the hard sleeve (6) and the steel needle (3), and the breakpoints of the hard sleeve (6) and the front needle cap (1) are closed in an arc shape; the joint positions from the breakpoint (2) to the needle handle (4) are all hard sleeves (6); the soft sleeve (7) is arranged from the lower end of the joint of the needle handle (4) to the tail end of the device, and a blood return observation window (5) is arranged on the tube wall of the soft sleeve (7) at the joint of the hard sleeve (6) and the soft sleeve (7); a needle handle slideway (8) is arranged from the needle handle (4) to the soft sleeve (7), and the length of the needle handle slideway (8) is from the needle point of the steel needle (3) to the lower part of the needle handle (4); a rectangular boosting handle (9) is arranged at the left side position corresponding to the needle handle (4).

2. The disposable retractable infusion protection needle of claim 1, wherein: the breakpoint (2) of the breakpoint connection is positioned at the connection part of the steel needle (3) and the needle handle (4).

3. The disposable retractable infusion protection needle of claim 1, wherein: the blood return observation window (5) is oval.

Images