Rotatable cutting implements with friction reducing material for ultrasonic surgical instruments
US9427249B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 10, 2013 |
| Grant date | Aug 30, 2016 |
| Priority date | — |
| Expiry date | Apr 26, 2034 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2017/320089
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An ultrasonic surgical instrument includes a housing, an ultrasonic transducer assembly rotatably supported within said housing and communicating with a source of ultrasonic electrical signals, a motor within said housing and communicating with a source of motor drive signals, said motor coupled to said ultrasonic transducer assembly for applying rotational motion thereto, a horn coupled to said ultrasonic transducer assembly, an outer sheath coupled to said housing, said outer sheath including a distal portion, and a blade operably coupled to said horn, said blade rotatably supported relative to said outer sheath, wherein said blade includes an outer sheath contacting surface, wherein said distal portion of said outer sheath includes a blade contacting surface, and wherein at least one of said outer sheath contacting surface and said blade contacting surface includes a friction reducing material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.