A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 17/11 (2006.01) A61B 17/115 (2006.01)
Patent
CA 2426085
A tissue retaining ring for use with a plurality of surgical fasteners mounted within a disposable loading unit utilized during a vascular anastomosis inlcudes a genrally circular, semi-pliable material having a series of alternating loops and arcuate portions. Each of the loops defines an aperture therein which is dimensioned to receive a distal end of one of the plurality of surgical fasteners. When the instrument is fired, the surgical fasteners are simultaneously deformed through the tissue ring and through the tissue. The tissue retaining ring holds the tissue in place along the surgical fastener and reduces the chances of tissue slippage after deformation.
L'invention porte sur un anneau de retenue de tissu qui se combine avec une pluralité d'attaches chirurgicales disposées à l'intérieur d'un élément de charge jetable et qui s'utilise lors d'une anastomose vasculaire. Ladite invention se compose d'un matériau généralement circulaire, semi pliable et équipé d'une série de boucles et de parties arquées alternées. Chacune des boucles forme une ouverture dimensionnée de façon à recevoir l'extrémité distale de l'une des attaches chirurgicales. Lorsque l'instrument est actionné, les attaches chirurgicales sont simultanément déformées à travers l'anneau de retenue de tissu et le tissu lui-même. L'anneau de retenue de tissu maintient le tissu en place le long de l'attache chirurgicale et réduit les risques de glissement du tissu après la déformation.
Heaton Lisa W.
Hinchliffe Peter W. J.
Manzo Scott E.
Milliman Keith L.
Nicholas David A.
Mcfadden Fincham
Tyco Healthcare Group Lp
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