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US Patent 11291514 Medical devices having multiple blades and methods of use

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Is a
Patent
Patent

Patent attributes

Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
11291514
Date of Patent
April 5, 2022
Patent Application Number
16682591
Date Filed
November 13, 2019
Patent Citations
‌
US Patent 10130366 Automated reloading devices for replacing used end effectors on robotic surgical systems
‌
US Patent 10667873 Surgical end effectors with mechanical advantage
Patent Citations Received
‌
US Patent 11992286 Low-friction medical tools having roller-assisted tension members
6
Patent Primary Examiner
‌
Vi X Nguyen
CPC Code
‌
A61B 17/00
‌
A61B 17/00234
‌
A61B 90/00
‌
A61B 90/37
‌
A61B 34/35

A medical device includes a clevis, a first blade, a second blade, and a tension member. The first and second blades are rotatably coupled to the clevis. The first blade includes a first coupling portion. The tension member is coupled to the first blade and applies a torque to the first blade to rotate the first blade about the clevis between a first, second, and third orientation. The second blade includes a second coupling portion. The second coupling portion is coupled to the first coupling portion such that A) the second blade remains in a fixed position relative to the clevis when the first blade is between the first and second orientation, and B) rotation of the first retractor blade between the second and third orientation transfers at least a portion of the torque to the second retractor blade causing rotation of the second blade about the clevis.

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