Patent ID: 6210375
Filing Date: 2001-04-03
Classification: A61M

Abstract:
A needle retraction device, comprising:a handle having a proximal portion and a distal portion and defining a cavity having an inner diameter, the handle having a proximal end and a distal end defining an opening therein;a needle with a proximal end and a sharp distal point;a needle hub connected to the needle and having a proximal portion and a distal portion, the needle hub being movably disposed in the handle;a stopper affixed to the proximal portion of the needle hub wherein the stopper defines a first height at one elevation substantially equal to the inner diameter and defines a second height at a second elevation greater than the first heigh;a biasing mechanism disposed in the handle to move the needle hub from an extended position to a retracted position; anda latch associated with the needle hub to releasably hold the needle in the extended position.