Screw-type spinal fixation device with metal rod fixation.

Abstract

OCR 07AP A screw-type spinal fixation device with a metal rod and screws. Used for spinal fixation, the screw head (tulip head) is small and strong, and the screw threads have... The dual-thread design increases resistance to bone removal and allows for additional assembly. With an inner threaded lock designed with multiple radii of curvature for securing metal rods and a system... Special locking threads prevent screw head deformation. The bone fixation rod is ergonomically curved to fit the body. For the patient's spine, spinal fixation devices can also be used in conjunction with fixation kits. Other bone types have a metal rod diameter in the range of 3.0-6.0 millimeters.

Claims

OCR 10KL (24 / 09 / 2568) 1. Screw-type spinal fixation device with a metal rod, consisting of a screw head (1) at Connect to the threaded section (3) and assemble it onto the metal rod (4) and the locking nut (5) with The characteristic is that the screw head (1) is arranged in a U-shape with at least one ridge (1.1) and On the side of the screw head (1) there are grooves (1.3) for securing to surgical instruments and / or equipment. Where the base (1.2) of the screw head (1) is concave, with a diameter smaller than the screw head. (1) and the screw head area (1) is connected to the threaded part (3) by a round socket joint (2.2). where the spiral section (3) is a long, pointed rod with threads at the beginning. (3.1) and the threads at the ends (3.2) with a gradient of thread thickness from the beginning of the thread. (3.3) to the end (3.4) 2. Screw-type spinal fixation device with metal rod fixation, as per claim 1, where the rod... Metal (4) has a curvature that conforms to the anatomy of the spine.

3. Screw-type spinal fixation device with metal rod fixation, as per claim 1, where the Locking screws (5) The locking screw system has an angle of 45-60 degrees.

4. Screw-type spinal fixation device with metal rod fixation, as per claim 1, where the socket... The round joint (2.2) connects the screw head (1) and the threaded beginning (3.3) with the screw neck (3.5) with S-shaped 5. Screw-type spinal fixation device with metal rod fixation, as per claim 4, where the socket... The round joint (2.2) is installed inside the screw head (1) and has a concave shape with an anatomical radius of curvature. Lordotic Curve (Spinal Curve) 6. A screw-type spinal fixation device with a metal rod attachment, according to which of claims 4-5? First, where the socket joint (2.2) is arranged in a concave shape where the radius of curvature is different.

7. Screw-type spinal fixation device with metal rod fixation, as per claim 1, where the head... Screw (1) is provided with an area for inserting the metal rod (2.1), is curved to fit the metal rod (4), and is provided with threads. (2.3) Support for locking screw (5) installed inside the screw head (1) 8. Which of the following claims 1-7 pertains to a screw-type spinal fixation device with metal rod fixation? Firstly, the screw head (1), threaded part (3), metal rod (4), and locking nut (5) are supplied from materials Choose from titanium, stainless steel, or cobalt-chromium, either individually or in combination.

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