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US Patent 11272977 Medical instrument electrically energized using drive cables

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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
11272977
Date of Patent
March 15, 2022
Patent Application Number
16205642
Date Filed
November 30, 2018
Patent Citations
‌
US Patent 10285763 Actuation element guide with twisting channels
‌
US Patent 10524870 Mechanical joints, and related systems and methods
‌
US Patent 10335177 Medical instrument with snake wrist structure
‌
US Patent 10682141 Surgical device including a control system
‌
US Patent 10130366 Automated reloading devices for replacing used end effectors on robotic surgical systems
‌
US Patent 10201365 Surgeon feedback sensing and display methods
Patent Citations Received
‌
US Patent 12082900 Low-friction, small profile medical tools having easy-to-assemble components
9
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US Patent 11439376 Low-friction, small profile medical tools having easy-to-assemble components
‌
US Patent 11992286 Low-friction medical tools having roller-assisted tension members
12
Patent Primary Examiner
‌
Ronald Hupczey, Jr.
CPC Code
‌
A61B 34/71
‌
A61B 34/30
‌
A61B 2034/305

An electrically energized medical instrument uses one or more drive cables to both actuate mechanical components of a wrist mechanism or an effector and to electrically energize the effector. Electrical isolation can be achieved using an insulating main tube through which drive cables extend from a backend mechanism to the effector, an insulating end cover that leaves only the desired portions of the effector exposed, and one or more seals to prevent electrically conductive liquid from entering the main tube. Component count and cost may be further reduced using a pair of pulleys that are shared by four drive cables.

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