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Circular stapler buttress

  • US 8,123,766 B2
  • Filed: 01/16/2008
  • Issued: 02/28/2012
  • Est. Priority Date: 09/17/2003
  • Status: Expired due to Fees
First Claim
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1. An implantable medical device adapted to reinforce tissue stapled together with a circular stapler having a generally circular cutting blade, the device comprising:

  • a buttress material adapted for mounting on the circular stapler; and

    a plurality of slits in the buttress material, the slits generally extending in an approximately radial direction,wherein, a reinforcing portion of the buttress material is configured to remain stapled to tissue in a patient and an inner portion of the buttress material is configured to be cut away from the reinforcing portion by the cutting blade upon actuation of the circular stapler and cutting blade, resulting in a severed inner edge of the reinforcing portion and a severed outer edge of the inner portion, andwherein the slits extend through the severed inner edge of the reinforcing portion.

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