Adjustable length, reusable retraction blades
US10863975B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 14, 2017 |
| Grant date | Dec 15, 2020 |
| Priority date | — |
| Expiry date | Dec 1, 2037 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2017/0256
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An adjustable retractor blade and retractor system are disclosed. The retractor blade includes a fixed portion, extendible portion, and means for adjusting the length of the retractor blade. The means for adjusting may include a threaded rod engaging the fixed portion with the extendible portion. In one aspect, the extendible portion includes a plurality of stackable members, with the length of the adjustable blade adjusted by attaching stackable members. In one aspect, the fixed portion includes a plurality of holes, and the extendible portion includes at least one post, the plurality of holes configured to receive the at least one post, with the length of the adjustable blade adjusted by slidably displacing the extendible portion until the at least one post engages with at least one of the plurality of holes. Methods are provided for adjusting the length of a retractor blade.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.