Bone reamer with impeller

Details Bone reamer with impeller Bone reamer with impeller

1997-10-27

1999-11-09

Buiz, Michael

Surgery

Instruments

Orthopedic instrumentation

A61B 1716

Patent

active

059805250

ABSTRACT:
A reamer for reaming a uniform opening in an intramedullary canal of a bone. The reamer has an impeller rigidly attached to the shaft of the reamer proximal to the reamer head. The impeller blades have a pitch higher than the pitch of the reamer head flutes. The increased pitch between the impeller blades and the reamer head flutes produces a partial vacuum while the unit is turning, pulling debris up and out of the bony canal and reducing pressure in the intramedullary canal.

REFERENCES:
patent: 4830000 (1989-05-01), Shutt
patent: 5443468 (1995-08-01), Johnson
patent: 5759185 (1998-06-01), Grinberg

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