Catheter and endoscope system with distal protruding ball tip and method
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United States of America Patent
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May 5, 1998
Issued Date -
N/A
app pub date -
Apr 8, 1996
filing date -
May 5, 1994
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method of viewing an interior passage of a patient using an endoscope and a catheter which includes a catheter body having a distal end and a lumen opening at the distal end and a displacing member. The method comprises advancing the catheter into the passage in the patient with the displacing member extending beyond the distal end of the catheter body when the catheter body is at a region of the passage. The endoscope is provided in the lumen of the catheter with the endoscope being movable longitudinally relative to the catheter and being at a location for viewing the interior passage. The method includes relatively displacing the distal end of the catheter body and material within or forming the passage within a zone of the interior passage utilizing the displacing member and viewing at least a portion of such zone of the interior passage utilizing the endoscope.
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