Surgery – Instruments – Orthopedic instrumentation
Patent
1996-06-12
1997-10-28
Buiz, Michael
Surgery
Instruments
Orthopedic instrumentation
606 92, 604218, A61B 1756
Patent
active
056813171
ABSTRACT:
The present invention provides a cement delivery system having concentric lumens that terminate in openings at the distal end of the delivery system for providing a selected application of two or more cement types or compositions that vary from the middle of a bone cavity to the circumference of the bone cavity. The invention also provides a method for applying cement into a bone cavity to provide a gradient of materials within the bone cavity from the middle point or center of the bone cavity to the circumference of the cavity.
REFERENCES:
patent: 5354285 (1994-10-01), Mazurik et al.
patent: 5409465 (1995-04-01), Boggs et al.
patent: 5496284 (1996-03-01), Waldenburg
patent: 5558136 (1996-09-01), Orrico
Buiz Michael
Johnson & Johnson Professional Inc.
Reip David O.
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