VARIABLE COMPRESSION SURGICAL FASTENER APPARATUS
First Claim
1. A surgical fastener applying apparatus comprising a fastener supporting portion and a retainer supporting portion, the fastener supporting portion including a first row of first surgical fasteners and a second row of second surgical fasteners, the retainer supporting portion including a first row of first retainers and a second row of second retainers, the first fasteners engagable with the first retainers and the second fasteners engagable with the second retainers, the first fasteners each having a first fastener backspan and the second fasteners each having a second fastener backspan, and the first retainers each having a first retainer backspan and the second retainers each having a second retainer backspan, wherein the fasteners and retainers are configured so when engaged a first distance between at least one of the first fastener backspans and respective first retainer backspan is different than a second distance between at least one of the second fastener backspans and respective second retainer backspan.
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Accused Products
Abstract
A surgical fastener applying apparatus comprising a fastener supporting portion and a retainer supporting portion. The fastener supporting portion includes a first row of first surgical fasteners and a second row of second surgical fasteners. The retainer supporting portion includes a first row of first retainers and a second row of second retainers, the first fasteners engagable with the first retainers and the second fasteners engagable with the second retainers. The fasteners and retainers are configured so when engaged a first distance between at least one of the first fastener backspans and respective first retainer backspan is different than a second distance between at least one of the second fastener backspans and respective second retainer backspan.
691 Citations
20 Claims
- 1. A surgical fastener applying apparatus comprising a fastener supporting portion and a retainer supporting portion, the fastener supporting portion including a first row of first surgical fasteners and a second row of second surgical fasteners, the retainer supporting portion including a first row of first retainers and a second row of second retainers, the first fasteners engagable with the first retainers and the second fasteners engagable with the second retainers, the first fasteners each having a first fastener backspan and the second fasteners each having a second fastener backspan, and the first retainers each having a first retainer backspan and the second retainers each having a second retainer backspan, wherein the fasteners and retainers are configured so when engaged a first distance between at least one of the first fastener backspans and respective first retainer backspan is different than a second distance between at least one of the second fastener backspans and respective second retainer backspan.
- 15. A surgical fastener applying apparatus comprising a fastener assembly having a first pair of first rows of fasteners and a second pair of second rows of fasteners and a corresponding first pair of rows of retainers and a second pair of rows of retainers to receive the respective fasteners, wherein at least one of the fasteners and retainers of the first pair of rows of fasteners and retainers is configured so when engaged applies a first compressive force on tissue and at least one of the fasteners and retainers of the second pair of rows of fasteners and retainers is configured so when engaged applies a second different compressive force on tissue.
- 18. A surgical fastener applying cartridge and anvil assembly for use with a surgical fastener applying instrument, the cartridge and anvil assembly comprising a cartridge having a first pair of rows of fasteners and a second pair of rows of fasteners and a retainer portion having first pair of rows of retainers and a second pair of rows of retainers to receive the respective fasteners, wherein at least one of the fasteners and retainers of the first pair of rows of fasteners and retainers is configured so when engaged applies a first compressive force on tissue and at least one of the fasteners and retainers of the second pair of rows of fasteners and retainers is configured so when engaged applies a second different compressive force on tissue.
Specification