Blood lancing device

Details Blood lancing device Blood lancing device

1993-08-12

1994-04-19

Thaler, Michael H.

Surgery

Instruments

Cutting, puncturing or piercing

606185, 128770, A61B 1732

Patent

active

053041933

ABSTRACT:
A blood lancing device for puncturing a skin has a lancet longitudinally displaceable in a first direction to puncture a skin of a patient and then into a second opposite direction out of the punctured skin, a spring having an active stroke, a toothed rack displaceable by the spring during its active stroke in the first direction; a toothed pinion engageable with and rotatable by the toothed rack when it moves in the first direction, and a lever having a first end connected with the toothed pinion and a second end connected with the lancet so that during the rotation of the pinion under the action of displacement of the toothed rack caused by the spring the second end of the lever moves the lancet successively in the first direction and in the second direction.

REFERENCES:
patent: Re32922 (1989-05-01), Levin et al.
patent: 4469110 (1984-09-01), Slama
patent: 4924879 (1990-05-01), O'Brien
patent: 5074872 (1991-12-01), Brown et al.
patent: 5196025 (1993-03-01), Ranalletta et al.

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