Rotation knob assemblies and surgical instruments including same
US11051828B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 6, 2019 |
| Grant date | Jul 6, 2021 |
| Priority date | — |
| Expiry date | Oct 24, 2039 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2017/2929
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A rotation knob assembly for a surgical instrument includes an outer knob, an intermediate collar, an inner sleeve, a retaining clip, and screws. The outer knob defines a knob lumen extending longitudinally therethrough and longitudinal apertures disposed in radially spaced relation relative to a distal lumen portion of the knob lumen. The intermediate collar is disposed within the knob lumen and defines a collar lumen extending longitudinally therethrough. The inner sleeve is disposed within the knob lumen and extends through the collar lumen. The retaining clip includes a curved body disposed within an annular groove defined in an exterior surface the inner sleeve and prongs disposed at opposed ends of the curved body that are aligned with the longitudinal apertures of the outer knob. The screws extend through the prongs and into the longitudinal apertures to secure the outer knob and the inner sleeve with one another.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.