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US 5,192,282 AGranted
Suction drainage-bone screw
OwnerKlaus Draenertinventor
Life of this patent
Estimating the term…
Abstract
The invention relates to a bone screw (10) which can be anchored in the bone in a firm and vacuum-tight manner, and to the use of the same in arthroplastic surgery and as a drug delivery system. The interior of the bone screw (10) has a continous longitudinal bore (15) through which the medullary canal can be evacuated during the application of bone cement. The use of the bone screw renders it possible to fill the spongiosa honeycombs with bone cement without endangering the life of the patient.
Claims5
A method of establishing therapeutic communication with the interior of a bone, the method comprising:
- providing at least one bone screw, each bone screw having a first end and a second end and a continuous bore establishing a communication canal between the first and second ends;
- inserting at least the first end of each bone screw into the bone such that each bone screw is firmly anchored in the bone in an essentially vacuum-tight manner;
- and
- delivering substances to or from the interior of the bone through the communication canal of each bone screw.
1 more element
Dependencies are inferred from the claim text.