Method and devices for performing vascular anastomosis

Details Method and devices for performing vascular anastomosis Method and devices for performing vascular anastomosis

1995-10-03

1997-12-30

Lewis, William

Surgery

Instruments

Blood vessel, duct or teat cutter, scrapper or abrader

606153, 606170, 606180, A61B 1732

Patent

active

057024120

ABSTRACT:
A method and devices are provided for performing end-to-side anastomoses between the severed end of a first hollow organ and the side-wall of a second hollow organ utilizing transluminal approach with endoscopic assistance. In particular, the method utilizes a catheter, having a selectively operable cutter, which is introduced into the first hollow organ until the distal end of the catheter is substantially adjacent to the severed end of the first hollow organ. The severed end of the first hollow organ is positioned in proximity to the site for anastomoses on the side wall of the second hollow organ and the severed end is secured in sealing engagement with the side-wall, thereby defining a region of securement on the side wall of the second hollow organ. The severed end of the first hollow organ is preferably secured to the side wall of the second hollow organ by activating a corkscrew element in the catheter to penetrate the side-wall of the second hollow organ and hold the severed end of the first hollow organ in mating engagement with the side-wall of the second hollow organ. A plurality of clips can be applied to the seam between the first hollow organ and the second hollow organ. Alternatively, the first and second hollow organs can be secured by suturing. The cutter is then activated to remove a portion of the side-wall of the second hollow organ, thereby creating an opening within the region of securement and establishing the anastomosis.

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