Bone cleaning and drying system

Details Bone cleaning and drying system Bone cleaning and drying system

1996-05-20

1998-01-06

Yasko, John D.

Surgery

Means for introducing or removing material from body for...

Gas application

604 28, 604 35, 433 29, A61N 130

Patent

active

057049092

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.

REFERENCES:
patent: 4380435 (1983-04-01), Raeder et al.
patent: 4872837 (1989-10-01), Issalene
patent: 4957483 (1990-09-01), Gosner et al.
Enhancing the Cement-Bone Interface with Pressurized CO2 Gas Drying, a presentation, made at the Leroy C. Abbott Orthopaedic Society meeting in San Fransisco meeting on May 3, 1996.

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