Intussuscepting balloon catheter for stone extraction

Details Intussuscepting balloon catheter for stone extraction Intussuscepting balloon catheter for stone extraction

1983-03-14

1984-09-04

Rosenbaum, C. Fred

Surgery

Truss

Pad

604 96, A61B 1700

Patent

active

044691009

ABSTRACT:
An extraction device for removing foreign bodies such as a uretal stone from a human body passage. A double lumen catheter is provided having a tubular balloon attached circumjacent to the distal end thereof. A suction lumen is open at the distal end and a pressure applying lumen is open to the interior of the balloon. The balloon includes a lower reentrant portion. After insertion of the distal end of the catheter into the body passage such as the ureter to the point of a stone, the balloon is inflated dilating the ureter. The catheter is slowly withdrawn causing intussusception of the distal end of the tubular balloon, thereby surrounding and captivating the stone. Continued withdrawal extracts the stone without trauma to the passage wall.

REFERENCES:
patent: 3074408 (1963-01-01), Chester
patent: 3827437 (1974-08-01), Inaba
patent: 3970090 (1976-07-01), Loiacono
patent: 3972331 (1976-08-01), Bolduc et al.
patent: 4243040 (1981-01-01), Beecher
patent: 4324262 (1982-04-01), Hall
patent: 4430076 (1984-02-01), Harris

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