Back to results
US 6,641,584 B2Granted
Hook cable for fixing atlantoaxial joint and system for fixing the same
AssigneeShowa Ika Kohgyo Co., Ltd.
InventorsTomoyuki Hashimoto, Kazuya Oribe, Futoshi Miyaura, Noriyuki Ina
Life of this patent
Estimating the term…
Abstract
Hook cable including a hook for hooking to an arcus posterior in an atlanto. A cable which can freely bend is integrally provided in a base portion of the hook.
Claims6
A hook cable comprising:
- a circular arc-shaped hook extending from a base portion;
- the circular arc-shaped hook comprising a projection arranged on a surface and being configured to hook to an arcus posterior in an atlanto;
- and
- a cable which can freely bend extending from the base portion of the circular arc-shaped hook,
- wherein the base portion completely surrounds a portion of the cable, and
- wherein the cable is integrally connected to the base portion.
3 more elements
A system for fixing an atlantoaxial joint comprising:
- a screw capable of being freely inserted into an atlanto from an epistropheus;
- a head portion arranged at an end portion of the screw;
- a screw hole provided in the head portion;
- an engagement groove communicated with the screw hole;
- a cable comprising a circular arc-shaped hook that includes a projection, wherein the circular arc-shaped hook is configured to hook into an arcus posterior on an atlanto, and wherein the cable engages with the engagement groove;
- and
- a fixing screw threaded into the screw hole and being capable of freely fixing the cable with respect to the engagement groove.
4 more elements
A system for fixing an atlantoaxial joint comprising:
- a screw comprising external threads configured to be inserted into an atlanto from an epistropheus, a head portion arranged an opposite end, an internally threaded hole arranged in the head portion, and an engagement groove extending from one side of the head portion to another side of the head portion and communicating with the internally threaded hole;
- a cable having a first end configured to be received in the engagement groove and a second end;
- an arc-shaped hook connected to the second end of the cable and comprising a projection formed on an inner curved surface of the arc-shaped hook, wherein the arc-shaped hook is configured to hook into an arcus posterior on an atlanto;
- and
- a fixing screw threaded into the internally threaded hole and being capable of fixing the cable to the screw.
2 more elements
Dependencies are inferred from the claim text.