Spinal implant with securement spikes

Spinal implants with extending spikes include spikes with laterally extending projections that may form barbs. Several different spike driver mechanisms are also provided. In one embodiment, sliding wedge spike drivers are used. In another embodiment, threaded rotating spike drivers are used. Gear d...

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Bibliographische Detailangaben
Hauptverfasser:	NONAKA MAKOTO, GERCHOW JAMES R, SLUDER PHILIP JAMES, ALLEYNE NEVILLE, BARTLETT KENDALL
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:	Spinal implants with extending spikes include spikes with laterally extending projections that may form barbs. Several different spike driver mechanisms are also provided. In one embodiment, sliding wedge spike drivers are used. In another embodiment, threaded rotating spike drivers are used. Gear driven spikes may also be provided in some embodiments. Worm gear trains and rack and pinion gear trains may be used to extend the spikes.