Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1992-06-25
1993-11-09
Rosenbaum, C. Fred
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
604175, 604264, 606108, A61M 500
Patent
active
052598470
ABSTRACT:
A catheter is provided to maintain minimally invasive access for exchanging internal biliary stents. The catheter includes a catheter housing and a catheter obturator. The catheter housing includes an elongated hollow tube with an enlarged flange member at one end, and the diameter of the tube is sized such that a guidewire may pass through it, gaining access to an occluded internal biliary stent. The catheter obturator is used to seal off the hollow tube of the catheter housing for preventing any backflow of bile from occurring through the catheter lumen.
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Casella Anthony J.
Hespos Gerald E.
Maglione Corrine
Montefiore Hospital and Medical Center
Rosenbaum C. Fred
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