Reservoir for flood withdrawal
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
N/A
Issued Date -
Jun 12, 2003
app pub date -
Dec 10, 2002
filing date -
Dec 11, 2001
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
The reservoir for blood withdrawal has a housing (1) and a displaceable piston (7) located therein by means of which, in the interior of the housing, a reservoir chamber (16) of variable size can be formed. A piston is coupled to an actuation device (11). Furthermore, the piston (7) is pressed by a first spring (14) into a closed position in which the reservoir chamber (16) has a minimum volume. The actuation device (11) and the piston (7) are loosely coupled to each other by a second spring (10), where the spring excursion of this spring (10) is smaller than the movement path (13) of the actuation device, so that, at the end of the movement, a forced coupling between the piston and the actuation device (11) occurs.
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