A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 17/03 (2006.01) A61B 17/04 (2006.01) A61B 17/068 (2006.01) A61B 17/115 (2006.01) B31B 1/68 (2006.01)
Patent
CA 2529446
A surgical stapling device (10) is disclosed for the treatment of internal hemorrhoids. The surgical stapling device includes a handle portion (12), an elongated body portion 814) and a head portion (16) including an anvil assembly (30) and a shell assembly (31). The head portion includes an anvil assembly including a tiltable anvil which will tilt automatically after the device has been fired and unapproximated. The tiltable anvil provides a reduced anvil profile to reduce trauma during removal of the device after the anastomoses procedure has been performed. The anvil assembly of the stapling device may include an approximation mechanism having an anvil retainer including an elongated distal extension dimensioned to be telescopingly received within a longitudinal bore of an anvil center rod of the anvil assembly. The elongated distal extension is of a length to provide telescopic engagement with the anvil center rod without obstructing visualization of the surgical site. A kit including a surgical instrument having a removable anvil assembly and an anvil assembly insertion handle is also disclosed. The kit may also include a speculum, an anal dialator and/or an obturator.
L'invention porte sur un instrument d'agrafage chirurgical servant au traitement des hémorroïdes internes et comportant un manche, un corps allongé et une tête munie d'une enclume et d'une coquille. L'enclume comporte un plateau inclinable basculant automatiquement lorsque l'instrument a été tiré et non rapproché. L'enclume présente un profil réduit pour réduire les traumatismes lors du retrait du instrument après exécution de l'anastomose. L'enclume peut comporter un mécanisme de rapprochement muni d'un dispositif de retenue comprenant une extension distale allongée se montant téléscopiquement dans la lumière longitudinale d'une tige placée au centre du plateau inclinable. La longueur de ladite extension lui permet d'entrer en contact téléscopiquement avec ladite tige sans obstruer la vision du site de l'intervention. L'invention porte également sur une trousse contenant un tel instrument à enclume et coquille amovibles et poignée d'insertion, pouvant également comprendre un spéculum, un dilatateur anal et/ou un obturateur.
Heinrich Russell
Milliman Keith L.
Mcfadden Fincham
Tyco Healthcare Group Lp
LandOfFree
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