Device for removing objects from tubular body passages
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United States of America Patent
Stats
-
Jul 1, 1986
Issued Date -
N/A
app pub date -
Feb 25, 1985
filing date -
Sep 30, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A device and a method for removing objects from tubular body passages such as arteries, urinary passages, respiratory passages, alimentary canal passages, or other body passages. An elongated element has a ring at its distal end which surrounds the object. On the inside of the ring is a balloon which is constrained by the ring to inflate only inwardly, such that upon the inward inflation it engages and grasps the object to be removed. The device is then withdrawn, whereby the ring and the inflated balloon carry the object with it out of the body passage. Fluid such as air is introduced into and removed from the balloon via a line which runs from the balloon back along the elongated element to the proximal end of the device. A dye line may also be provided, running from the distal end of the device to the proximal end for introducing a dye into the body passage ahead of the ring for diagnostic purposes.
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