Catheter device

Details Catheter device Catheter device

1984-05-30

1986-12-09

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

128328, A61M 2900

Patent

active

046278370

ABSTRACT:
Disclosed is a catheter device equipped at its distal portion with a pair of balloons inflatable from the proximal end of the catheter. One balloon completely covers the distal tip of the catheter to serve, when inflated, as an anchor to retain the catheter in an appropriate ampulla and as a cushion to prevent internal tissue damage. The second balloon serves, when inflated, to remove and dislodge impacted biliary stones. In addition, a separate chamber in the second balloon is available for irrigating and flushing biliary stones and in conjunction with an inflatable balloon adjustably mounted on the catheter can perform cholaniograms. The separate chamber also functions as a hinge allowing the second balloon to inflate proximally, resulting in a heart-shaped structure assuring successful stone removal.

REFERENCES:
patent: 2936760 (1960-05-01), Gants
patent: 3046988 (1962-07-01), Moreau et al.
patent: 4295464 (1981-10-01), Shihata
patent: 4469100 (1984-09-01), Hardwick

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