NuVasive has been granted a patent for a spinal procedure apparatus that includes a reduction instrument and guide assemblies to reduce the orientation of the spine. The apparatus includes a body with slots and assemblies for attaching to pedicle screws at different vertebral levels. The reduction instrument is moved to achieve the desired reduction, and the spine can then be fused. GlobalData’s report on NuVasive gives a 360-degree view of the company including its patenting strategy. Buy the report here.
According to GlobalData’s company profile on NuVasive, surgical robots was a key innovation area identified from patents. NuVasive's grant share as of September 2023 was 57%. Grant share is based on the ratio of number of grants to total number of patents.
Spinal reduction apparatus with adjustable attachment assemblies
A recently granted patent (Publication Number: US11771477B2) describes an apparatus for spinal surgery. The apparatus includes a body with two slots and three assemblies. The first assembly is located at the distal end of the body and is designed to receive a second assembly, which can attach to a pedicle screw at a specific vertebral level. The third assembly is positioned between the two slots and is configured to receive a fourth assembly, which can attach to a pedicle screw at an adjacent vertebral level.
The body of the apparatus features two elongated racks coupled to a curved connector. The first elongated rack contains the first slot, while the second elongated rack contains the second slot. The third assembly includes a first pin that engages with the first slot and rests in one of several rounded openings. Similarly, the third assembly also includes a second pin that engages with the second slot and rests in one of several rounded openings.
The first assembly is pivotably attached to the body between the first and second elongated racks. Additionally, the apparatus includes a locking assembly with a body that has a series of dimples arranged in an arced manner. A threaded thumbwheel with a tip can be inserted into one of the dimples, and when rotated, it locks the first assembly in a relative position to the body.
Furthermore, the first assembly comprises a first connector with a guide cavity to receive the first end of the second assembly. It also includes a spring lock to prevent translation of the second assembly relative to the apparatus. Similarly, the third assembly comprises a second connector with a guide cavity to receive the first end of the fourth assembly and a spring lock to prevent translation of the fourth assembly relative to the apparatus.
Overall, this patented apparatus provides a versatile and adjustable solution for spinal surgery, allowing for precise attachment and positioning of pedicle screws at different vertebral levels. The inclusion of the locking assembly ensures stability and secure fixation during the surgical procedure.
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