Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Implantable prosthesis – Bone
Patent
1990-01-18
1991-08-06
Rosenbaum, C. Fred
Prosthesis (i.e., artificial body members), parts thereof, or ai
Implantable prosthesis
Bone
A61F 228
Patent
active
050374370
ABSTRACT:
The method of this invention relates to preparing a bone to secure a prosthesis thereto by improving the mechanical interdigitation of bone cement and the bone and facilitating hemostasis of the bone. First, the bone is mechanically shaped to expose cancellous bone in a desired configuration for reception of a joint prosthesis. A pressurized jet of dry-flowing gas is then applied to the exposed bone, to clean and dry the trabecular interstices of the exposed cancellous bone. To further withdraw debris and liquids dislodged from the interstices of the prepared bone by the pressurized jet of dry-flowing gas, suction is applied to the bone concurrently with the application of the pressurized jet of dry-flowing gas. Bone cement in liquid form is then applied to the bone, with cement penetration into the cleaned and dried interstices of the bone.
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Finkel Sharon
Rosenbaum C. Fred
University of Washington
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