05219339 is referenced by 92 patents and cites 7 patents.

This invention relates to a medical needle used for injection, drip infusion, blood sampling, biopsy, puncture, examination, artificial dialysis, indwelling and so forth, and more particularly to a medical needle for single use such as a so-called disposable injection needle, has as its object the provision of a medical needle covering a wide range of safety before use, during use, and after use, and the needle comprises: a cannula having a sharp point; a supporting-connecting member for supporting the cannula and connecting the cannula to another functional member; and a cover member capable of being engaged with the supporting-connecting member, being movable back and forth in the lengthwise direction of the cannula and capable of covering the point of the cannula, in which cover member, a semi-stable position and a stable position are provided at a position for covering the point of the cannula, and, once the cover member fits in the stable position, it cannot move to any other position.

Single use medical needle
Application Number
Publication Number
Application Date
July 17, 1991
Publication Date
June 15, 1993
Masataka Saito
3-11-5 Kitakokubu, Ichikawa-shi, Chiba-ken
Nixon & Vanderhye
A61M 5/32
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