| 摘要 |
PCT No. PCT/CA90/00031 Sec. 371 Date Oct. 1, 1991 Sec. 102(e) Date Oct. 1, 1991 PCT Filed Feb. 1, 1990 PCT Pub. No. WO90/08564 PCT Pub. Date Aug. 9, 1990.A needle tip protecting device is provided for hypodermic needles, catheters, and the like. The device is small enough to be stored at the base of the needle prior to and during use. After use it may be slid to cover the needle tip where it automatically self-attaches and becomes non-removable. Various embodiments of mechanisms to achieve this effect are described.
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