Balloon catheter with expandable inflation member

Details Balloon catheter with expandable inflation member Balloon catheter with expandable inflation member

1990-09-24

1993-01-12

Yasko, John D.

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

604101, 606192, A61M 2900

Patent

active

051786087

ABSTRACT:
A single lumen catheter used alone or in multiples of various diameters in a coaxial disposition over a guidewire or catheter having a means to occlude the distal opening of the single lumen catheter. Each single lumen catheter includes a flexible tube and a balloon disposed about the exterior of the single lumen catheter near the distal end, and a opening in the tube to permit fluid communication into the balloon from the interior of the single lumen catheter. Alternate embodiments include an interior fluted collar upon which the balloon of the inner catheter abuts, forming an orifice providing a selected fluid flow into the catheter. Thus, the single lumen catheters provide a steerable guidewire system having a greater selection of catheters without requiring an inner lumen.

REFERENCES:
patent: 3402717 (1968-09-01), Doherty
patent: 4655746 (1987-04-01), Daniels et al.
patent: 4708718 (1987-11-01), Daniels
patent: 4832028 (1989-05-01), Patel
patent: 4846174 (1989-07-01), Willard et al.
patent: 4911163 (1990-03-01), Fina
patent: 4950239 (1990-08-01), Gahara et al.

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