According to this invention an orthopedic screw having a first portion and a second portion is disclosed, wherein said first portion comprises a head having a substantially smooth exterior surface and further comprising a recessed portion, wherein said recessed portion comprises a polygonal shape an
According to this invention an orthopedic screw having a first portion and a second portion is disclosed, wherein said first portion comprises a head having a substantially smooth exterior surface and further comprising a recessed portion, wherein said recessed portion comprises a polygonal shape and a deflection beam, such that said first portion receives a driver head within said recessed potion, and wherein said second portion comprises an elongated portion adapted for insertion into a substrate.
대표청구항▼
1. A orthopedic screw having a first portion and a second portion; said first portion comprising a head portion having substantially smooth outer surface and further comprising a recessed portion on a top surface of said head portion, wherein said recessed portion comprises a deflection beam havi
1. A orthopedic screw having a first portion and a second portion; said first portion comprising a head portion having substantially smooth outer surface and further comprising a recessed portion on a top surface of said head portion, wherein said recessed portion comprises a deflection beam having at least one protrusion extending into said recessed portion, wherein said deflection beam is substantially enclosed within said recessed portion, and wherein said second portion comprises an elongated portion having a threading. 2. The device of claim 1, wherein said recessed portion is a polygonal shape. 3. The device of claim 2, wherein said polygon is a hexagon. 4. The device of claim 2, wherein said polygon is a square. 5. The device of claim 2, wherein said polygon is a pentagon. 6. The device of claim 2, wherein said polygon is an octagon. 7. The device of claim 1, wherein said screw is manufactured from a material selected from one of the group consisting of titanium, titanium alloy, stainless steel, cobalt chromium, medical grade surgical steel. 8. The device of claim 1, wherein said locking screw is manufactured from a synthetic bone material. 9. The device of claim 1, wherein said locking screw is manufactured from a biocompatible material. 10. The device of claim 1, wherein said locking screw is manufactured with a composite of an antibacterial agent and a biocompatible material. 11. The device of claim 1, wherein said locking screw is coated with an antibacterial agent. 12. The device of claim 1, wherein said second portion comprises a self-tapping threading. 13. A method of using the device of claim 1, wherein said recessed portion having a first shape interconnects with a driver head having second shape and a locking groove, wherein said first shape and said second shape are substantially the same, which method comprises inserting said driver head into said recessed portion said deflection beam is caused to flex and then return to a non-deflected position upon said protrusion meeting with said locking groove such that said head portion is secured to said driver head, wherein said screw is then inserted into a substrate, and then wherein said driver head is removed from said recessed portion. 14. A method of using the device of claim 1, wherein said recessed portion having a first shape interconnects with a driver head having second shape, wherein said first shape and said second shape are substantially the same, which method comprises inserting said driver head into said recessed portion, wherein said deflection beam is caused to flex and secure said driver head through the application of radial friction energy being applied from the connectivity of said protrusion of said deflection beam to said driver head. 15. A screw comprising a first portion and a second portion, wherein said first portion comprises a head having a substantially smooth exterior surface and further comprising a recessed portion, wherein said recessed portion comprises a polygonal shape and a deflection beam, wherein said recessed portion is adapted to engage a driver head within said recessed portion, and wherein said second portion comprises an elongated member adapted for insertion into a material.
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이 특허에 인용된 특허 (6)
Czegledi Imre, Fastener system and method of manufacture thereof.
Konieczynski, David D.; Doherty, Thomas V.; Grinberg, Alexander D.; Kolb, Eric D., Resilient bone plate and screw system allowing bi-directional assembly.
Konieczynski, David D.; Doherty, Thomas V.; Grinberg, Alexander; Kolb, Eric D., Resilient bone plate and screw system allowing bi-directional assembly.
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