Appliance for medicine containing feedback drawing power

Abstract

Disclosed is a medical device with pumping-back force, including a pipe, a junction part which is arranged inside he pipe in a displaceable way, an elastically-deformable activation part, a needle connected with the junction part and an elastic component which is arranged between the pipe and the junction part and which is provided with elastic restoring force. The activation part is provided with a clip part which is combined with the pipe, two contact-pressure parts which is formed by extending the clip part and which is used for protecting the pipe annularly and two clipping-stop parts which are connected with the contact-pressure parts, with the clipping-stop part detachably limiting the position of the junction part at a position near the outlet end of the pipe. When the reed of the activation part furls under the extrusion from the external force, the clipping-stop parts can be driven in a connecting way to expand reversely to remove from the junction part, so that the elastic component can drive the junction part to drive the needle for displacement until the need is concealed inside the pipe. By this means, the assembling process can be simplified, so that the operation of the clinical treatment can be more convenient and safer.

Description

technical field [0001] The invention relates to a medical appliance, in particular to a medical appliance which can hide a needle body and has a retracting force. Background technique [0002] Generally, in clinical medicine, after intramuscular injection, intravascular infusion drip injection, blood sample extraction, or the above-mentioned infusion drip injection and blood extraction operations are performed simultaneously, sharp needles must be properly handled to avoid needles stabbing the human body. , or even be infected by the blood with the source of infection remaining on the needle body. Although the previous injection tubing includes a needle cover covering the needle body, it is often lost or dropped during the operation on the hospital bed, and because the hole diameter of the needle cover for the needle body to penetrate is quite limited, the user has to finish the injection When returning the needle, the operation of returning the needle cover must be done ca...

AI Technical Summary

Problems solved by technology

Although the previous injection tubing includes a needle cover covering the needle body, it is often lost or dropped during the operation on the hospital bed, and because the hole diameter of the needle cover for the needle body to penetrate is quite limited, the user has to finish the injection When returning the needle, the action of returning the needle cover must be done carefully. If the operator is a little careless or subjected to external force, it is easy to have a needle sticking event, so there is a lack of safety when using it.

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