EXPANDABLE INTERVERTEBRAL CAGE

An expandable intervertebral cage device includes a first base plate and a second base plate, a distal block with an internal passage that mechanically couples to each base plate, and a proximal block comprising internal threading. The device has exactly two arm assemblies with one on each side. Eac...

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Bibliographische Detailangaben
Hauptverfasser:	Jimenez, Omar F, Safris, Yefim I
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 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 expandable intervertebral cage device includes a first base plate and a second base plate, a distal block with an internal passage that mechanically couples to each base plate, and a proximal block comprising internal threading. The device has exactly two arm assemblies with one on each side. Each arm assembly comprises a first arm mechanically coupled to the first base plate and a second arm mechanically coupled to the second base plate. A screw is arranged partially within the internal threading of the proximal block and passes through the internal passage of the distal block, such that rotation of the screw relative to the distal block causes a change in distance between the distal block and the proximal block, and a corresponding change in the spacing and lordosis of the device.