System and methods for reducing interfacial porosity in cements
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United States of America Patent
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Apr 26, 2005
Grant Date -
Dec 5, 2002
app pub date -
Mar 19, 2002
filing date -
Mar 19, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention provides a system and a method for reducing pores, or air pockets, that form at the interface between the material used to attach or adhere the surface of a component, such as a prosthesis, to a site. A preferred embodiment of the invention includes an actuator that controls a coupler which transmits energy to a prosthesis being inserted into a material to reduce porosity at an interface between the prosthesis and the material. The system of the present invention can include an oscillating hand-held device that vibrates the stem component of an orthopedic prosthesis at a particular frequency and amplitude. The device is typically held by the hand of the surgeon, who guides the vibrating prosthesis into the cement-filled medullary cavity.
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