The surgical suturing assembly of the present invention protects a user from accidental puncture wounds. A surgical needle is contained within a rigidly-walled protective casing, having a proximate end defining a first aperture through which the needle is inserted. The casing tapers distally to define...http://www.google.es/patents/US5741299?utm_source=gb-gplus-sharePatente US5741299 - Puncture-proof suture needle assembly