Shut-off valve for a liquid flow line or infusion device
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United States of America Patent
Stats
-
Oct 2, 1990
Grant Date -
N/A
app pub date -
Mar 28, 1989
filing date -
Sep 17, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A shut-off valve for a fluid flow or an infusion instrument is described. A sleeve-form casing (2) with a lateral opening (4) between its ends is provided. An elastic tube piece (7) lies within casing (2) to allow fluid flow therethrough. A pressure body (14) is movable radially within the lateral opening (4) to selectively compress or not compress the tube piece (7) so as to occlude or open fluid flow through the tube piece (7). For simplification of manufacture and for quick operation of such a shut-off valve, especially without painful or injurious activities in operation, a tubular guide sleeve (8) is provided and surrounds the lateral opening (4) of the casing. Sleeve (8) is arranged to laterally project from the casing (2) and includes at least one pair of blocking stops (10, 10', 11 11'). The pressure body (14) has a plug shape. On the end of the pressure body (14), facing away from the tube piece (7), there is fastened a cap (16) with an elastic mantle (12) and snap ring (18) depending from the cap. The snap ring at least partially overlaps the guide sleeve (8).
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