Sample collection device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 14, 2003
Issued Date -
N/A
app pub date -
Sep 25, 2000
filing date -
Mar 25, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A device (1) for acquiring cell samples by aspiration into an evacuated container (3) comprising: a front hollow needle portion (7) to be inserted into the body from which a sample is to be taken; a rear hollow needle portion (5) for communication with the evacuated container; a conduit (11) connecting the front needle portion (7) to the rear needle portion (5); and a normally closed pinch valve mechanism (6) to open and close the conduit; The valve mechanism (6) is manually operable by one hand and controls the application of negative pressure in the front needle portion (7). The conduit may comprise a flexible tube and the valve mechanism (6) may comprise releasable means (8) to pinch the flexible tube in a pressure-tight manner. The valve mechanism (6) may comprise a spring-biased push-button (8) operable by one digit of a user's hand.
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Cited Art Landscape
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