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US 12,213,693 B2Granted
Engagement features and methods for attaching a drive rod to a knife blade in an articulating surgical instrument
AssigneeCovidien LP
InventorDavid D. Brause
Life of this patent
Estimating the term…
Abstract
A method for attaching a drive rod to a knife includes: forming a knife having proximal and distal ends; forming an aperture within the proximal end of the knife, the aperture including a series of fins disposed therein; weaving a distal end of a knife rod through the series of fins in an alternating manner; and engaging a cap onto the distal end of the knife drive rod to secure the knife drive rod within the aperture of the knife.
Claims17
A method for attaching a knife drive rod to a knife, comprising:
- forming a knife;
- forming a slot in the knife;
- engaging a tube with a distal end of a knife drive rod;
- and
- engaging the tube within the slot to secure the knife drive rod and the tube to the knife.
2 more elements
A method for attaching a knife drive rod to a knife, comprising:
- securing a tube made from a first material to a knife drive rod made from a second material different from the first material;
- and
- securing the tube within a slot formed in a knife made from the first material.
A method for attaching a knife drive rod to a knife, comprising:
- forming a knife of a first material, the knife defining a slot;
- engaging a tube made from the first material with a knife drive rod made from a second material different from the first material;
- and
- engaging the tube within the slot to secure the knife drive rod and the tube to the knife.
1 more element
Dependencies are inferred from the claim text.