TODAY’S PATENT – SURGICAL BETTRESS AND SURGICAL STAPLING APPARATUS
The Surgical bettress and surgical stapling apparatus was invented by David A. DalessandroMurty N. Vyakarnam on the 14th August, 2001, bearing patent number US6273897B1.
The present invention provides a surgical stapling apparatus and a buttress, i.e. pledget, for use in the surgical stapling apparatus, which buttress provides sealing for hemostasis and pneumostasis, and which buttress includes a continuous projection, or a plurality of projections, for cooperation with guide channels for thereby attaching the buttress to the staple cartridge or anvil in a releasable pressure fit relationship.
This invention relates to a surgical buttress that eliminates or minimizes loss or leakage of bodily fluids, including blood or air, and a surgical stapling apparatus that applies the buttress to body tissue.
The present invention provides a surgical buttress, i.e. pledget, for approximating body tissue, which buttress provides sealing for hemostasis and pneumostasis, and which buttress comprises a continuous projection, or a plurality of projections, wherein the projection(s) are of sufficient number, dimension and spatial relationship effective to provide a releasable pressure fit of the projection into means for receiving the projections located in the staple cartridge or the anvil of a surgical stapling apparatus when placed in cooperation therewith, thereby maintaining the buttress in covering relationship with the cartridge and/or anvil. The invention also provides a surgical stapling apparatus comprising the improved buttress.