Patent ID: 6406461
Filing Date: 2002-06-18
Classification: A61M

Abstract:
A needle holder unit for self-destructing syringes, characterised in that it consists ofa cap (5) for mounting on a syringe housing (4) and having a circular clamp (6) for attachment to the housing (4) and having a cylindrical portion with seals (8) against the inner surface of the housing (4); a needle holder (1) and needle (2), having a cylindrical portion with seal (10â€²) against the inner surface of the housing (4); and a medically acceptable chemical agent (11) positioned between the cap (5) and the needle holder (1) for retracting the needle holder (1) into the syringe housing (4), wherein the needle holder in addition is equipped with channels (12), (12â€²) having one-way or reflux valves (13, (13â€²) or similarly functioning seals (10, 17) which in use conduct the liquid to the agent (11).