Pedicle screw

A technology of screws and implants, applied in the field of implanted screws, can solve problems such as increasing costs
CN1946349AInactive Publication Date: 2007-04-11ULRIKH GMBKH & KO KG
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
ULRIKH GMBKH & KO KG
Publication Date
2007-04-11
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention relates to a pedicle screw for implants for the correction and stabilisation of the spinal column, comprising a head piece (4), on one axial end of a threaded shaft (2) to which a clamp piece (3) may be connected, comprising a clamp housing (5) for a bar (6) which may be fixed to the head piece (4). A threaded drilling (8) is embodied in the clamp piece (3) for housing a thread provided on the head piece (4).
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Description

technical field

[0001] The invention relates to an implant screw used as an implant for correcting and stabilizing the spine, having a head portion arranged on the axial end of the screw rod, to which a clamp portion is connected, which has a Clamp receiver for the rod on the end portion. Background technique

[0002] Such implant screws are known from practice, and they are used to be screwed into the vertebral body of the spine for degenerative or traumatic diseases of the spine by making at least one rod overlapping a plurality of vertebral bodies along the spine Guiding and anchoring to the spine enables the functions of the spine. For an exact alignment of this rod it is necessary that the position of the implanted screw can be adapted to the rod at least in the contact position, taking into account the anatomically correct position of the implanted screw inside the vertebral body. Therefore in practice, there will be a lot of implanted screws for fixing for the opera...

Claims

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