Applied Medical Surgical Stapler Actuation Shaft Retention - US12599383B2
Summary
The USPTO granted patent US12599383B2 to Applied Medical Resources Corporation for a powered surgical stapler handle with a retention mechanism. The mechanism applies direction-dependent frictional force on an actuation shaft to prevent unintentional movement of drivetrain components. The retention feature includes a featherboard-like configuration with transverse ribs restricting movement in one direction while permitting movement in the opposite direction.
What changed
The USPTO granted patent US12599383B2 to Applied Medical Resources Corporation covering a powered surgical stapler handle with a retention mechanism for the actuation shaft. The retention mechanism uses a featherboard-like configuration with transversely-oriented ribs to apply direction-dependent frictional force, preventing unintentional movement of the actuation shaft toward the distal end of the handle while allowing return movement in the opposite direction. The patent includes 17 claims.
Medical device manufacturers developing powered surgical staplers should review this patent to assess potential design freedom issues. Healthcare providers using Applied Medical stapling systems may benefit from understanding the enhanced safety features. Clinical investigators evaluating surgical stapling devices should note this represents continued innovation in powered surgical instrument safety mechanisms.
What to do next
- Monitor patent portfolio for competing surgical device patents
- Review patent claims for potential infringement risk
Archived snapshot
Apr 15, 2026GovPing captured this document from the original source. If the source has since changed or been removed, this is the text as it existed at that time.
Actuation shaft retention mechanism for surgical stapler
Grant US12599383B2 Kind: B2 Apr 14, 2026
Assignee
Applied Medical Resources Corporation
Inventors
Jonathan Von Stein, Kimball B. McGinley, Robert Bradshaw, Alan Bylund, Christian A. Halvorsen, Jonathan R. Nash
Abstract
A powered handle for a surgical stapler can have a drive system including an electric motor. The powered handle can include a manual return mechanism. The powered handle can also include a retention mechanism to prevent unintentional movement of drivetrain components upon actuation of the manual return mechanism. For example, the retention mechanism can apply a direction-dependent frictional force on an actuation shaft of the handle assembly to prevent unintentional movement of the actuation shaft towards a distal end of the handle assembly. The retention mechanism can include a featherboard-like configuration with a plurality of ribs oriented transversely to the actuation shaft to restrict movement of the actuation shaft in one direction while allowing movement of the shaft in the opposite direction.
CPC Classifications
A61B 17/07207 A61B 2017/00398 A61B 2017/0046
Filing Date
2024-11-01
Application No.
18935207
Claims
17
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Source
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