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US 10,945,732 B2Granted
Surgical stapler with self-returning assembly
AssigneeCovidien LP
InventorKenneth Cappola
Life of this patent
Estimating the term…
Abstract
An articulating surgical tool includes a body portion and a tool assembly pivotally secured to the body portion by a mounting assembly. The mounting assembly includes at least a first spring member for maintaining a longitudinal axis of the tool assembly in alignment with a longitudinal axis of the body portion and for returning the longitudinal axis of the tool assembly into alignment with the longitudinal axis of the body portion following articulation of the tool assembly relative to the body portion.
Claims20
A surgical tool comprising:
- a body portion having proximal and distal ends and defining a longitudinal axis;
- a tool assembly pivotally secured to the body portion by a mounting assembly, wherein the mounting assembly includes at least a first spring member for maintaining a longitudinal axis of the tool assembly in alignment with the longitudinal axis of the body portion and for returning the longitudinal axis of the tool assembly into alignment with the longitudinal axis of the body portion following articulation of the tool assembly relative to the body portion;
- and
- an articulation assembly for pivoting the tool assembly relative to the body portion between aligned and articulated positions.
1 more element
A surgical instrument comprising:
- a handle assembly;
- and
- a surgical tool operably secured to the handle assembly, the surgical tool including:
- a body portion having proximal and distal ends and defining a longitudinal axis;
- a tool assembly pivotally secured to the body portion by a mounting assembly;
- and
- an articulation assembly for pivoting the tool assembly relative to the body portion between an aligned position in alignment with the body portion and articulated position out of alignment with the body portion, the mounting assembly includes first and second spring members for pivotally supporting the tool assembly relative to the body portion, wherein the first and second spring members return the tool assembly to the aligned position with the body portion from the articulated position relative to the body portion.
4 more elements
A surgical tool comprising:
- a body portion having proximal and distal ends and defining a longitudinal axis;
- and
- a tool assembly pivotally secured to the body portion by a mounting assembly, wherein the mounting assembly includes at least a first spring member for maintaining a longitudinal axis of the tool assembly in alignment with the longitudinal axis of the body portion and for returning the longitudinal axis of the tool assembly into alignment with the longitudinal axis of the body portion following articulation of the tool assembly relative to the body portion, the at least first spring member including first and second arms.
Dependencies are inferred from the claim text.