Polyaxial Pedicle Screw Assembly and Method
AssigneeCustom Spine, Inc.
InventorMahmoud F. Abdelgany
Life of this patent
Estimating the term…
Abstract
A method comprising attaching a screw head to a bone fixator component, wherein the screw head comprises a first portion comprising a slot and an inwardly curved bottom portion; and a second portion comprising an outwardly protruding and expandable bulbous end extending from the inwardly curved bottom portion; and wherein the bone fixator component comprises a concave socket adapted to receive the screw head; securing the bone fixator component in a bone; securing a locking pin in the screw head; engaging the locking pin with the bone fixator component; inserting a longitudinal member in the screw head; and inserting a blocker in the screw head.
Claims20
A method comprising:
- attaching a screw head to a bone fixator component, wherein said screw head comprises a first portion comprising a slot and an inwardly curved bottom portion;
- and a second portion comprising an outwardly protruding and expandable bulbous end extending from said inwardly curved bottom portion;
- and wherein said bone fixator component comprises a concave socket adapted to receive said screw head;
- securing said bone fixator component in a bone;
- securing a locking pin in said screw head;
- engaging said locking pin with said bone fixator component;
- inserting a longitudinal member in said screw head;
- and
- inserting a blocker in said screw head.
A method of assembling a pedicle fixation assembly, wherein said method comprises:
- attaching a screw head to a bone fixator component;
- securing said bone fixator component in a bone;
- securing a locking pin in said screw head;
- engaging said locking pin with said bone fixator component;
- inserting a longitudinal member in said screw head;
- and
- inserting a blocker in said screw head.
A method of using a pedicle screw assembly, said method comprising:
- providing a screw head comprising:
- a first portion comprising a slot and a curved bottom portion;
- and
- a second portion comprising an outwardly protruding and expandable bulbous end extending from said curved bottom portion;
- providing a bone fixator component comprising a concave socket that receives said screw head, wherein said bone fixator component is located completely outside of said screw head;
- providing a locking pin that is adapted to be inserted through said screw head causing expansion of said expandable bulbous end of said screw head;
- and
- providing a blocker that is adapted to engage said screw head.
A method comprising:
- providing a screw head comprising a slot and a bottom portion;
- providing a polyaxial rotatable connecting end operatively connected to said bottom portion of said screw head;
- providing a bone fixator component comprising a concave socket that receives said polyaxial rotatable connecting end;
- configuring said rotatable connecting end to engage said bone fixator component;
- and
- providing a blocker that engages said screw head.
Dependencies are inferred from the claim text.