Patent ID: 6197040
Filing Date: 2001-03-06
Classification: A61B

Abstract:
A lancing device for withdrawing a blood sample, comprising a generally elongate housing having a cap with a through hole at a forward end and a closure at a back end, opposite the forward end, and containing(a) a lancet holder, slidably mounted within the housing,(b) a first spring for urging the lancet holder forward, having a first end that bears on the housing and a second end that bears on the lancet holder,(c) a slider, slidably mounted in a wall of the housing, comprising(i) a projection outside the wall and(ii) a pushing means, reversibly engageable with the lancet holder, to push the lancet holder back into a cocked position and to push a lancet forward from the device,(d) a second spring for urging the lancet holder back, having a first end that bears on the lancet holder and a second end that bears on the slider,(e) a button, movable between a first position in which the lancet holder is restrained when the device is cocked and a second position in which the restraint is removed, permitting the first spring to thrust the lancet holder forward, and(f) a releasable connector mounted within the housing for immobilizing the lancet holder when the slider is moved forward to eject the lancet from the device.