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.

Claims

8 · 1 independent · depth 4

8 granted claims

›1.independentAn assembly for joining tissue, comprising:nan anvil and a body portion juxtaposed with respect to one another along a shaft and arranged so as to be …+7

Classifications

4 codes

IPC · International Patent Classification

Section A — Human necessities

A61B17/115

USPC · US Patent Classification

227/179.1227/19227/175.1

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Pendency

1.5 y

552 days filing → grant

Office actions

non-final + final

Responses

1 RCE

Examiner

Lindsay Low

art unit 3721 · TC 3700

Law firm

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Citations: 273 back · 0 forward

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Priority chain

2 priority documents

Priority

18 Oct 2004

earliest claimed

›Priority documents — 2

Type	Document	Date
provisional	US 60620268	18 Oct 2004
related publication	US 20110024476 A1	3 Feb 2011

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