Annular adhesive structure

Details Annular adhesive structure Annular adhesive structure

A - Human Necessities

61

B

A61B 17/04 (2006.01)

Patent

CA 2583866

An apparatus for forming an anastomosis between adjacent intestinal sections of tissue is provided. The apparatus includes a circular surgical stapler having an anvil assembly with an anvil shaft and an anvil, the circular surgical stapler further having a tubular body portion with an annular knife and a body portion shaft selectively attachable to the anvil shaft; and a seal structure for deposition between the intestinal sections of tissue including a hub configured to engage attachment structure on at least one of the anvil shaft and the body portion shaft. The attachment structure is positioned so that the seal structure is located between the intestinal sections of tissue when the circular surgical stapler is disposed within the intestinal sections of tissue.

L'invention concerne une appareil pour former une anastomose entre des parties intestines adjacentes d'un tissu. Cet appareil comprend une agrafeuse chirurgicale circulaire dotée d'un ensemble enclume avec tige d'enclume et enclume, ainsi que d'une partie tubulaire comportant une lame annulaire et une tige pouvant être fixée de manière sélective à la tige d'enclume. Une structure d'étanchéité à placer entre les parties intestines du tissu comporte un embout conçu pour solidariser une structure de fixation au moins sur la tige d'enclume ou sur la tige de la partie tubulaire. La structure de fixation est positionnée de sorte que la structure d'étanchéité soit située entre les parties intestines du tissu lorsque l'agrafeuse chirurgicale circulaire est placée à l'intérieur des parties intestines du tissu.

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