Catheter for intrafallopian contraceptive delivery
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United States of America Patent
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Issued Date -
Mar 24, 2005
app pub date -
Sep 18, 2003
filing date -
Sep 18, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Catheters for intrafallopian contraceptive delivery generally improve the ease, speed, and reliability with which a contraceptive device can be deployed transcervically into an ostium of a fallopian tube. One or more coils disposed along the catheter near its distal end enhance the ability of the catheter through a tortuous lumen, such as a fallopian tube, without significant kinking or narrowing of the inner diameter of the catheter. A coil also helps maintain the inner diameter of the catheter when it elongates during removal, thus facilitating delivery of a contraceptive device from the catheter. A variable-flexibility distal portion in some embodiments further enhances maneuverability and pushability.
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