Bone cleaning and drying system
US5554111A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 16, 1995 |
| Grant date | Sep 10, 1996 |
| Priority date | — |
| Expiry date | Mar 16, 2015 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2002/4685
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A bone cleaning and drying system for cleaning drying and emptying bones during joint replacement surgery, which includes an applicator for applying compressed gas, namely carbon dioxide, to the intramedullary canal and the cancellous bone, with an applicator nozzle at the distal end, the applicator nozzle having a plurality of end discharge slits and a plurality of angled side discharge slits to provide reverse flow, which provides a pressure gradient from the distal end to the proximal end, which aspirates and directs the entrained air, blood, fluids, fat, marrow, tissue and bone debris onto a drape or a hollow deflector shield surrounding the applicator, the front surface of the hollow deflector shield being apertured to allow the entrained materials to pass therethrough, the interior of the hollow deflector shield being connected to a flexible suction hose, and replaces room air with carbon dioxide in bone.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.