LOCKOUT MECHANISM FOR A SURGICAL STAPLER
First Claim
1. A surgical stapler for applying at least two rows of staples, said rows of staples being housed in a cartridge having a slot extending along the cartridge between two rows of staples, said stapler comprisinga cutting means movable from an initial position, in which the distal end of said cutting means is located proximally of said rows of staples, along said slot and a lockout mechanism for preventing movement of said cutting means, wherein said lockout mechanism comprises a blocking member movable between a first position, in which the blocking member blocks movement of said cutting means, and a second position, in which the blocking member permits movement of said cutting means, andsaid lockout mechanism further comprises a biasing member for biasing said blocking member towards said first position.
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Accused Products
Abstract
The invention relates to a surgical stapler for applying at least two rows of staples, said surgical stapler comprising a cartridge housing said rows of staples and having a slot extending along the cartridge between two rows of staples, said surgical stapler further comprising a cutting means movable along said slot and a lockout mechanism for preventing movement of said cutting means, wherein said lockout mechanism comprises a blocking member movable between a first position, in which the blocking member blocks movement of said cutting means, and a second position, in which the blocking member permits movement of said cutting means, and a biasing member for biasing said blocking member towards said first position and wherein said cartridge comprises a release member for moving said blocking member towards said second position upon insertion of said cartridge into said surgical stapler.
984 Citations
23 Claims
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1. A surgical stapler for applying at least two rows of staples, said rows of staples being housed in a cartridge having a slot extending along the cartridge between two rows of staples, said stapler comprising
a cutting means movable from an initial position, in which the distal end of said cutting means is located proximally of said rows of staples, along said slot and a lockout mechanism for preventing movement of said cutting means, wherein said lockout mechanism comprises a blocking member movable between a first position, in which the blocking member blocks movement of said cutting means, and a second position, in which the blocking member permits movement of said cutting means, and said lockout mechanism further comprises a biasing member for biasing said blocking member towards said first position.
- 11. A surgical stapler for applying at least two rows of staples, said stapler comprising a cartridge housing said rows of staples and having a slot extending along the cartridge between two rows of staples, said stapler further comprising a cutting means movable along said slot and a lockout mechanism for preventing movement of said cutting means, wherein said lockout mechanism comprises a blocking member movable between a first position, in which the blocking member blocks movement of said cutting means, and a second position, in which the blocking member permits movement of said cutting means, and a biasing member for biasing said blocking member towards said first position and in that said cartridge comprises a release member for moving said blocking member towards said second position upon insertion of said cartridge into said stapler.
- 20. A staple cartridge for use with a surgical stapler wherein the cartridge houses at least two rows of staples and has a slot extending along the cartridge between two rows of staples and comprising a release member.
Specification