Transthoracic aortic sleeve

Details Transthoracic aortic sleeve Transthoracic aortic sleeve

1995-05-26

1997-04-08

Hafer, Robert A.

Surgery

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

Treating material introduced into or removed from body...

604167, 604 28, 604 53, 604174, A61M 5178

Patent

active

056182708

ABSTRACT:
For patients requiring intra-aortic balloon (IAB) therapy but cannot take it through the usual femoral artery, it is necessary to open the chest to directly insert the IAB directly to the artery. A new process includes a transthoracic aortic sleeve of teflon or woven dacron tubing 30-40 cm. long formed with a brim at the aortic end and a closed conical exterior end. The conical exterior end is threading through a small incision in the skin and the conical end is then cut off and replaced with a one-way valve. Then a purse string closure is stitched on the adventitial wall of the aorta around the IAB entry point, the sutures of the purse string passing into the sleeve brim. A small incision is then made in the center of the purse string, the IAB is inserted and the purse string tightened and tied. The sleeve prevents blood loss into the chest cavity and keeps all blood loss to a minimum, especially during removal of the IAB.

REFERENCES:
patent: 3613684 (1971-10-01), Sheridan
patent: 4122858 (1978-10-01), Schiff
patent: 4318401 (1982-03-01), Zimmerman
patent: 5082005 (1992-01-01), Kaldany
patent: 5151087 (1992-09-01), Jonkman

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