Suction-type blood sampler

Details Suction-type blood sampler Suction-type blood sampler

1994-03-22

1994-11-29

Rimell, Sam

Surgery

Truss

Pad

128763, 128770, 606182, 606181, A61B 1734

Patent

active

053680472

ABSTRACT:
A blood sampler of the suction-type is provided with a gasket, a lancet unit and a plunger slidable in a housing having an open front and an open rear end. A rod is connected at its front end to the lancet unit. The rod extends rearwardly over a detent integral with the inner periphery of the housing, through a central opening of the gasket and into an axial bore of the plunger. A flange, secured to the rear end of the rod is slidable within the axial bore, the gasket is slidable within the housing and behind the detent, and a protrusion formed integral with an intermediate portion of the rod is engageable with the detent. The blood sampler further has a first spring intervening between the detent and the lancet unit, and a second spring accommodated in the bore and intervening between the flange and the front end of the plunger.

REFERENCES:
patent: 3208452 (1965-09-01), Stern
patent: 4203446 (1980-05-01), Hofert et al.
patent: 4379456 (1983-04-01), Cornell et al.
patent: 4449529 (1984-05-01), Burns et al.
patent: 4462405 (1984-07-01), Ehrlich
patent: 4653513 (1987-03-01), Dombrowski
patent: 5029583 (1991-07-01), Meserol et al.
patent: 5188118 (1993-02-01), Terwilliger

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