LATCH ASSEMBLIES AND SURGICAL INSTRUMENTS INCLUDING THE SAME
First Claim
Patent Images
1. A latch assembly for a surgical instrument, comprising:
- a lever including a distal engagement section, an intermediate section, and a proximal manipulatable section, the distal engagement section including a base and an engagement tooth depending from the base, the engagement tooth configured to releasably engage first and second components of a surgical instrument with one another, the engagement tooth defining a first surface having a concave portion defining a varied radius of curvature.
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Accused Products
Abstract
A latch assembly for a surgical instrument, a handle assembly of a surgical instrument including the latch assembly, and a surgical instrument including the latch assembly are provided. The latch assembly includes a lever having a distal engagement section, an intermediate section, and a proximal manipulatable section. The distal engagement section of the lever includes a base and an engagement tooth depending from the base. The engagement tooth is configured to releasably engage first and second components of a surgical instrument with one another and defines a first surface having a concave portion defining a varied radius of curvature.
8 Citations
20 Claims
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1. A latch assembly for a surgical instrument, comprising:
a lever including a distal engagement section, an intermediate section, and a proximal manipulatable section, the distal engagement section including a base and an engagement tooth depending from the base, the engagement tooth configured to releasably engage first and second components of a surgical instrument with one another, the engagement tooth defining a first surface having a concave portion defining a varied radius of curvature. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A handle assembly of a surgical instrument, comprising:
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a housing defining a body portion, a fixed handle portion depending from the body portion, and a distal nose extending distally from the body portion; a drive assembly disposed within the housing; a trigger pivotably connected to the housing and operably associated with the drive assembly, the trigger movable relative to the fixed handle portion of the housing from an un-actuated position to an actuated position to actuate the drive assembly; and a latch assembly operably coupled to the body potion of the housing, the latch assembly configured to releasably engage an elongated assembly inserted through the distal nose of the housing, the latch assembly including; a lever including a distal engagement section, an intermediate section, and a proximal manipulatable section, the distal engagement section including a base and an engagement tooth depending from the base, the engagement tooth configured to releasably engage the elongated assembly, the engagement tooth defining a first surface having a concave portion defining a varied radius of curvature. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. A surgical instrument, comprising:
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an elongated assembly including a proximal hub, a shaft extending distally from the proximal hub, and an end effector extending distally from the shaft; and a handle assembly, including; a housing defining a body portion, a fixed handle portion depending from the body portion, and a distal nose extending distally from the body portion; a drive assembly disposed within the housing; a trigger pivotably connected to the housing and operably associated with the drive assembly, the trigger movable relative to the fixed handle portion of the housing from an un-actuated position to an actuated position to actuate the drive assembly; and a latch assembly operably coupled to the body potion of the housing, the latch assembly configured to releasably engage the elongated assembly upon insertion of the proximal hub of the elongated assembly through the distal nose of the housing, the latch assembly including; a lever including a distal engagement section, an intermediate section, and a proximal manipulatable section, the distal engagement section including a base and an engagement tooth depending from the base, the engagement tooth configured to releasably engage a channel defined within the proximal hub of the elongated assembly, the engagement tooth defining a first surface having a concave portion defining a varied radius of curvature. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification