Self-venting intramedullary cement restrictor

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 press...

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Bibliographische Detailangaben
Hauptverfasser:	PERRONE, JR., CHARLES H, HOFMANN, AARON A
Format:	Patent
Sprache:	eng
Schlagworte:	BANDAGES, DRESSINGS OR ABSORBENT PADS DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS DIAGNOSIS FILTERS IMPLANTABLE INTO BLOOD VESSELS FIRST-AID KITS FOMENTATION HUMAN NECESSITIES HYGIENE IDENTIFICATION MEDICAL OR VETERINARY SCIENCE ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES PROSTHESES SURGERY TREATMENT OR PROTECTION OF EYES OR EARS
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Beschreibung
Zusammenfassung:	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.