4 results about "Vertebral fixation" patented technology

The present application relates to a kind of implantable fixation device and method for mouse spinal cord administration, the device includes: catheter assembly, which includes sleeve, injection inner tube and locking nut, the catheter assembly is used to carry out fixed-point infusion in spinal cord parenchyma by the bone hole opened on vertebral vertebra;Vertebra fixation assembly, which includes two V-shaped supports for clamping and fixing on the two sides of the outer periphery of vertebra;And bonding reinforcement system, which includes the initial solid seal layer formed by adhesive to realize the sealing between bone hole and catheter assembly and the structural holding adhesive resin layer formed by resin to realize the fixation between vertebra fixation subassembly and vertebra.The present application designs special vertebra fixation assembly: V-shaped support, and is combined with "biological glue preliminary adhesion" and "dental cement overall wrapping", and constructs a multi-level, rigid-flexible combined "sandwich fixation" composite fixation system.

This invention relates to a prosthesis for implantation into the intervertebral space of the cervical spine. Specifically, this invention discloses an intervertebral fusion device, comprising: a fusion body having two end faces and a bone graft window penetrating the two end faces, the fusion body being implanted into the intervertebral space with its two end faces facing the endplates of the two vertebrae respectively; a bone plate having through holes located at the upper and lower parts respectively, the bone plate being arranged on the anterior side of the cervical spine and spanning the two vertebrae defining the intervertebral space, the upper and lower through holes being opposite to the two vertebrae respectively; bone screws, which are screwed into the vertebrae through the upper and lower through holes of the bone plate to fix the bone plate to the two vertebrae respectively; and a linear component having a proximal end and a distal end, the proximal end of the linear component being attached to the middle part of the bone plate, and the distal end of the linear component extending into the intervertebral space and attached to the anterior side of the fusion body to limit the displacement of the fusion body and maintain the fusion body in the middle region of the intervertebral space.

The utility model discloses an adjustable spine fixing device which comprises a fixing plate, a spine plate is arranged on one side of the fixing plate, adjusting rods are symmetrically connected in the fixing plate in a sliding mode, locking mechanisms matched with the adjusting rods for use are arranged in the fixing plate, and a cervical plate is arranged on one sides of the adjusting rods. The top of the adjusting rod and the bottom of the fixed plate are fixedly connected with a mounting frame; the utility model relates to the technical field of spine fixing devices, the adjustable spine fixing device achieves the function of adjusting the distance between the spine plate and the cervical vertebra plate through the arrangement of the fixing plate, the locking mechanism, the adjusting rod and the fixing groove, cervical vertebras and spines of different patients can be conveniently fixed, and the applicability is better; by arranging the mounting frame, the lead screw, the fixed rod, the sliding plate, the inserting block, the mounting block and the inserting groove, the function of quickly disassembling and assembling the spine plate and the cervical plate is achieved, the spine plate and the cervical plate are conveniently disassembled and cleaned, and it is prevented that sweat stains and the like are attached to affect use.

The utility model discloses an adjustable spine centrum fixing frame which comprises a lower fixing block and an upper fixing block, and a plurality of spine adjusting plates are arranged between the upper fixing block and the lower fixing block. According to the adjustable fixing frame for the spine centrum, the lower fixing block, the upper fixing block, the spine adjusting plate, the upper connecting plate and the lower connecting plate are matched with one another, the upper connecting plate and the lower connecting plate are inserted into the upper fixing block and the lower fixing block and are locked through the plug pins, the lacing belt is tightly tied to the body of a patient, and therefore the spine centrum can be adjusted. After the adjustment of the angles between different spine plates is completed, the adjusting screw is tightened, so that the extrusion spring is in a maximum extrusion state, the limiting gear sleeve is locked on the surface of the limiting gear ring, and the angles of the spine plates are prevented from being changed again; and medical staff can conveniently and visually observe the bending condition of the spine centrum of a patient, and follow-up rehabilitation training can be more accurately adjusted.