Biopsy seal
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United States of America Patent
Stats
-
Mar 17, 1987
Grant Date -
N/A
app pub date -
Jan 2, 1986
filing date -
Jan 2, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A disposable seal is provided for a luer lock end fitting, e.g. for a biopsy channel of an endoscope. The fitting has a tubular luer lock device and a retaining ring surrounding the tubular device. The seal is unitarily molded of a soft elastomer and has a double seal arrangement formed of an apertured end wall and a one-way-opening slitted plate or web behind the end wall. A distal end of the seal fits over the tubular luer lock device. This distal end has a radial cuff that seals against a flat transverse surface of the retaining ring and a frustoconic tapered protruding member which fits against a similar inner surface of the retaining ring to ensure that the cuff sealably engages the retaining ring under overpressure conditions. W
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