Self-venting intramedullary cement restrictor

Details Self-venting intramedullary cement restrictor Self-venting intramedullary cement restrictor

1998-07-28

1999-10-26

Willse, David H.

Prosthesis (i.e., artificial body members), parts thereof, or ai

Implantable prosthesis

Bone

623 16, 606 95, A61F 230

Patent

active

059720344

ABSTRACT:
A self-venting cement restrictor or bone plug is provided for insertion into the medullary canal of a patient bone during orthopedic surgery. The cement restrictor includes a valve member which accommodates passage of air and body fluids therethrough as the cement restrictor is placed to avoid pressurizing the downstream medullary space. An installation tool is manipulated in the course of cement restrictor installation for shifting the valve member to a closed position, whereby the cement restrictor retains bone cement introduced subsequently under pressure within the upstream medullary space.

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