IMPROVED DISTRACTOR FOR LUMBAR INSERTION INSTRUMENT

An instrument and method are disclosed for inserting an artificial intervertebral disc implant having upper (22) and lower (32) parts and a pivot element (42) therebetween into an intervertebral space. The instrument has a mounting (54) structure, and an elongated upper arm (57) and elongated lower...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	KUFELD, EDUARD, BERTAGNOLI, RUDOLF, MARNAY, THIERRY, ECKHOF, STEPHAN, GEISERT, CHRISTOPHE
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BANDAGES, DRESSINGS OR ABSORBENT PADS DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS FILTERS IMPLANTABLE INTO BLOOD VESSELS FIRST-AID KITS FOMENTATION HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES PROSTHESES TREATMENT OR PROTECTION OF EYES OR EARS
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Beschreibung
Zusammenfassung:	An instrument and method are disclosed for inserting an artificial intervertebral disc implant having upper (22) and lower (32) parts and a pivot element (42) therebetween into an intervertebral space. The instrument has a mounting (54) structure, and an elongated upper arm (57) and elongated lower arms (52,53), the arms being pivotally attached to the mounting structure. A distractor (60) separates the upper and lower arms, and hence the upper and lower parts, when moving along the arms so as to permit insertion of the pivot element. The distractor includes a fork arm (63) that extends beyond a main body (62) thereof to engage and support with heads (64) thereof a facing surface of the upper and/or lower part during and following separation of the parts.