Low cost disposable lancet

Details Low cost disposable lancet Low cost disposable lancet

1996-09-24

1998-12-22

Buiz, Michael

Surgery

Instruments

Cutting, puncturing or piercing

128770, A61B 1714

Patent

active

058512152

ABSTRACT:
A low cost safety lancet device for creating a skin incision. The lancet contains a unitarily formed plastic body, thereby making the lancet device easy to manufacture at a low cost. The lancet device includes a blade beam having a cutting blade disposed at one end for generating an incision in a patient's skin. The blade beam is pivotally coupled within the device, engages a beam keeper arm in a first position and disengages the beam keeper arm in a second position. Upon activation of the device, the blade beam member resiliently deflects in a first direction as the beam keeper arm moves from the first position to the second position thereby causing a buildup of a biasing force in the beam member. When the blade beam disengages the beam keeper arm in the second position, the biasing force built up in the beam member causes the beam member to pivot, thereby accelerating the cutting blade through an aperture in the lancet device to incise the user's skin. The acceleration of the blade beam and cutting blade resiliently deflects the blade beam into a second direction, building up a second biasing force which causes the blade beam to return to a non-deflected position thereby withdrawing the cutting blade from the user's skin and back through the aperture.

REFERENCES:
patent: 3760809 (1973-09-01), Campbell, Jr.
patent: 4553541 (1985-11-01), Burns
patent: 4983178 (1991-01-01), Schnell
patent: 5133730 (1992-07-01), Biro
patent: 5212879 (1993-05-01), Biro
patent: 5395388 (1995-03-01), Schraga
patent: 5584846 (1996-12-01), Mawhirt et al.
patent: 5630828 (1997-05-01), Mawhirt et al.

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