Surgical Compression Instrument With Pivotable Implant Supports
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Solution Overview
Problem
Existing surgical treatments for spinal disorders, such as degenerative disc disease and vertebral misalignments, often fail to provide effective relief from pain and mobility issues, and existing spinal implants lack efficient mechanisms for vertebral manipulation and stabilization.
Innovation Solution
A surgical system comprising a compression instrument with pivotable implant supports and a distractor for vertebral manipulation, allowing for parallel distraction and compression of vertebral tissue, utilizing multi-axial bone screws and adaptors for precise alignment and stabilization.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If traditional spinal implants are used for vertebral stabilization, then basic fixation is achieved, but precise vertebral manipulation and alignment are insufficient
Solution Approach 1:
The implant system is divided into modular components including separate implant supports, multi-axial bone screws, adaptors, and compression/distraction instruments. This segmentation allows each component to perform specific functions while maintaining overall system precision for vertebral alignment.
Solution Approach 2:
The system incorporates dynamic elements such as pivotable implant supports that can rotate and adjust, and instruments with movable parts that enable compression and distraction forces. This dynamic capability allows precise manipulation of vertebral position during surgery while maintaining stability once positioned.
2Ease of operation
If spinal implants are used for vertebral fixation, then stabilization is achieved, but efficient manipulation mechanisms are lacking
Solution Approach 1:
The system introduces intermediary instruments including compression instruments with sliders and actuators, and distraction instruments with cables and pulleys. These intermediaries provide mechanical advantage and precise control for manipulating vertebral position without requiring direct manual manipulation of the implants themselves.
Solution Approach 2:
The implant supports incorporate self-adjusting features where the pivotable connections and engageable components automatically align and secure vertebral positions once forces are applied, reducing the need for continuous manual adjustment while maintaining ease of operation.
3Reliability
If basic spinal fixation is performed, then vertebral stabilization is achieved, but effective correction of spinal disorders is limited
Solution Approach 1:
The implant system is designed with multi-functional components that can perform multiple operations. The same implant supports and fasteners used for fixation also enable compression, distraction, and alignment correction. The pivotable connections provide both stabilization and adjustable positioning capabilities, making the system versatile for various spinal disorder corrections.
Data Source
AI summary
A surgical compression instrument includes a member configured for disposal longitudinally along a first implant support for pivotably connecting the first implant support with a second implant support. The first implant support is engageable with a first receiver of a first fastener having a first shaft fixed with vertebral tissue and the second implant support is engageable with a second receiver of a second fastener having a second shaft fixed with vertebral tissue. A part is movable relative to the member and engageable with the implant supports such that the second implant support moves relative to the first implant support to compress the vertebral tissue. Surgical systems, constructs, implants and methods are disclosed.