Internal mammary artery catheter and method

Details Internal mammary artery catheter and method Internal mammary artery catheter and method

1993-03-18

1994-10-11

Rosenbaum, C. Fred

Surgery

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

Treating material introduced into or removed from body...

604104, 606191, 606192, 606194, A61M 2900

Patent

active

053542762

ABSTRACT:
A catheter includes a hub and a stylet extending through the hub to a distal end of the catheter. A balloon fixed at its proximal end to the hub and at its distal end to the stylet is axially extendible by operation of the stylet. Inserting the catheter, in its extended state, into an arterial conduit enables the balloon to be inflated and to exert only radial forces against the interior of the vessel. This apparatus and procedure overcomes spasms normally associated with preparation of an arterial conduit, such as the internal mammary artery, for bypass surgery. Extension of the balloon to as much as six times its initial length can be accomplished by positioning a separation spring between the stylet and the balloon.

REFERENCES:
patent: 4311133 (1982-01-01), Robinson
patent: 4315512 (1982-02-01), Fogarty
patent: 4444188 (1984-04-01), Bazell
patent: 4552127 (1985-11-01), Schiff
patent: 4564014 (1986-01-01), Fogarty
patent: 4614188 (1986-09-01), Bazell
patent: 4820283 (1989-04-01), Schickling
patent: 4909258 (1990-03-01), Kuntz
patent: 4968300 (1990-11-01), Moutafis
patent: 5087246 (1992-02-01), Smith
"An Improved Technique for Internal Mammary Artery Graft Preparation"; by Thomas J. Fogarity, M.D. et al.

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