Suction-type blood sampler
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 29, 1994
Grant Date -
N/A
app pub date -
Mar 22, 1994
filing date -
Apr 28, 1993
priority date (Note) -
In Force
status (Latency Note)
Importance
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.
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