Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1996-05-24
1997-12-23
Buiz, Michael Powell
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
604 20, 604 53, 606 7, 606 15, 606 16, 606194, 607 88, A61M 2900
Patent
active
057002436
ABSTRACT:
The present invention is an improved balloon-type catheter with an integral fiber optic assembly for delivering light to a intraluminal target wherein the improvement comprises the use of a perfusion channel to bypass the balloon near the tip of the catheter. The bypass channel enables a fluid material such as oxygen or blood to flow around the inflated balloon during photo-irradiation. A preferred embodiment of the balloon-type perfusion includes a body portion comprising an elongated, flexible, tubular sheath having proximal and distal ends. The body portion is internally partitioned into three longitudinal lumens. The first lumen contains the illuminating fiber optics that include a cylindrical light diffuser tip. The second lumen is an inflation passage for conducting inflation fluid to a balloon which coaxially surrounds the sheath overlying the diffuser tip terminus of the fiber optics near the distal end of the catheter. The third lumen, usually larger in cross-sectional area than the other two, serves as both a portion of a perfusion channel and as a conduit for a guidewire or other ancillary device. A portion of the perfusion channel exits the body portion proximal to the balloon providing fluid communication between the external surface of the sheath and the third lumen. The perfusion channel enables a fluid to flow from the proximal side of the inflated balloon to the distal side of the balloon while the balloon is inflated.
REFERENCES:
patent: 4445892 (1984-05-01), Hussein et al.
patent: 4857054 (1989-08-01), Helfer
patent: 4944745 (1990-07-01), Sogard et al.
patent: 5006119 (1991-04-01), Acker et al.
patent: 5019075 (1991-05-01), Spears et al.
patent: 5116317 (1992-05-01), Carson, Jr. et al.
patent: 5117831 (1992-06-01), Jang et al.
patent: 5137513 (1992-08-01), McInnes et al.
patent: 5156594 (1992-10-01), Keith
patent: 5169395 (1992-12-01), Narciso, Jr.
patent: 5188592 (1993-02-01), Hakki
patent: 5201317 (1993-04-01), Kanazawa et al.
patent: 5246437 (1993-09-01), Abela
Buiz Michael Powell
PDT Systems, Inc.
Petit Michael G.
Straight, Jr. Ronald K.
LandOfFree
Balloon perfusion catheter does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Balloon perfusion catheter, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Balloon perfusion catheter will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1798821