Empty clip cartridge lockout
First Claim
1. A clip applier for clipping tissue, comprising:
- a shaft;
a firing chamber;
an end effector extending from said shaft, wherein said end effector comprises a crimping chamber;
a replaceable magazine assembly, comprising;
a housing;
a storage chamber defined in said housing;
a plurality of clips removably positioned within said storage chamber; and
a biasing member configured to sequentially bias said clips from said storage chamber into said firing chamber;
a reciprocating firing drive configured to advance a clip positioned in said firing chamber into said crimping chamber; and
a lockout plate positioned intermediate said biasing member and said plurality of clips, wherein said biasing member is configured to bias said lockout plate into said firing chamber to block said firing drive after all of the plurality of said clips have been advanced into said crimping chamber, and wherein the replacement of said replaceable magazine assembly unblocks said lockout plate from said firing chamber and resets the clip applier.
4 Assignments
0 Petitions
Accused Products
Abstract
A surgical device for clipping tissue can include a replaceable cartridge comprising a stack of clips contained therein and a firing drive configured to reciprocatingly eject, or deploy, the clips from the cartridge. After the clips have been deployed from the cartridge, a blocking member can be positioned to impede or block the firing drive. In at least one embodiment, the cartridge can include a biasing member configured to bias the blocking member into a firing chamber defined in the cartridge and/or surgical device. The surgical device can also include a crimping drive configured to deform a clip after it has been ejected from the cartridge. The blocking member can also be configured to impede or block the crimping drive after all of the clips from the cartridge have been used.
4027 Citations
20 Claims
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1. A clip applier for clipping tissue, comprising:
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a shaft; a firing chamber; an end effector extending from said shaft, wherein said end effector comprises a crimping chamber; a replaceable magazine assembly, comprising; a housing; a storage chamber defined in said housing; a plurality of clips removably positioned within said storage chamber; and a biasing member configured to sequentially bias said clips from said storage chamber into said firing chamber; a reciprocating firing drive configured to advance a clip positioned in said firing chamber into said crimping chamber; and a lockout plate positioned intermediate said biasing member and said plurality of clips, wherein said biasing member is configured to bias said lockout plate into said firing chamber to block said firing drive after all of the plurality of said clips have been advanced into said crimping chamber, and wherein the replacement of said replaceable magazine assembly unblocks said lockout plate from said firing chamber and resets the clip applier. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A surgical device for applying clips, comprising:
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a shaft; an end effector comprising a receiver; a replaceable cartridge, comprising; a housing; a storage chamber defined in said housing; a stack of clips removably positioned within said storage chamber; a firing platform; and a biasing member configured to sequentially bias said clips from said storage chamber onto said firing platform; a reciprocating firing drive configured to advance a said clip positioned on said firing platform into said receiver; and a lockout member positioned intermediate said biasing member and said stack of clips, wherein said biasing member is configured to bias said lockout member against said firing platform to block said firing drive after all of said clips have been advanced into said receiver, and wherein the replacement of said replaceable cartridge unblocks said firing drive to permit said firing drive to advance a clip into said receiver. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19)
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20. A surgical device for clipping tissue, comprising:
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a shaft; an end effector comprising a receiver; a replaceable cartridge, comprising; a housing; a storage chamber defined in said housing; a stack of clips removably positioned within said storage chamber; a firing chamber; and a biasing member configured to sequentially bias said clips from said storage chamber into said firing chamber; a reciprocating firing drive configured to advance a said clip positioned in said firing chamber into said receiver during a firing stroke; blocking means for inhibiting said firing drive from completing a firing stroke after all of said clips have been advanced into said receiver; and resetting means for resetting said blocking means.
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Specification