Patent ID: 6280401
Filing Date: 2001-08-28
Classification: A61B,A61M,Y10S

Abstract:
A hypodermic-needle sample collection device, said device comprising:an elongated, generally hollow cylindrical body forming an aperture at the distal end of said cylindrical body and opening into the interior of said cylindrical body;a needle holder mounted for longitudinal movement within said cylindrical body, said needle holder having an element projecting laterally therefrom;a hollow hypodermic needle carried by said needle holder and projecting from said holder along the axis of said body; andlongitudinal linear guide surfaces formed on said cylindrical body and a guide tube inside said cylindrical body and having helical guide surfaces formed thereon; said linear and helical guide surfaces extending longitudinally for at least a portion of the length of said device for engaging said projecting element and moving said needle bidirectionally longitudinally within said cylindrical body in response to bidirectional relative rotational movement between said linear and helical guide surfaces.