Subcutaneous Indwelling Needle Assembly

Abstract: a subcutaneous indwelling needle assembly, including a base and a needle assembly; the needle assembly includes a puncture needle holder, a puncture needle, an indwelling needle holder, and a soft indwelling needle; the base includes a baseplate for applying on a surface of skin; the baseplate includes a first surface and a second surface provided oppositely; the base is provided with a perforation hole penetrating the first surface and the second surface; on the first surface, an indwelling needle fixing protrusion for insertion of the indwelling needle holder is formed by protruding along a periphery of the perforation hole; and a first restricting part and a second restricting part are provided and cooperatively mounted to restrict a relative rotation of the indwelling needle holder with respect to the indwelling needle fixing protrusion when the indwelling needle holder is inserted into the indwelling needle fixing protrusion.

Inventor(s): Qingxu Zhou

CPC Classification: A61M5/158 (DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY (introducing media into or onto the bodies of animals ; means for inserting tampons ; devices for administering food or medicines orally ; containers for collecting, storing or administering blood or medical fluids ); DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY (surgery ; chemical aspects of surgical articles ); DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR {(Electrotherapy, e.g. producing anaesthesia by the use of alternating or intermittent currents )})

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