A disposable medical needle assembly having unique insertion and removal means from tissue, including means for fully shielding the used or contaminated needle from hazardous access or exposure. Various such means are disclosed in cooperation with needle guide and manipulation means....http://www.google.com.au/patents/US5176655?utm_source=gb-gplus-sharePatent US5176655 - Disposable medical needle and catheter placement assembly having full safety enclosure means
