Bone Plate with Textured and Non-Textured Openings
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Solution Overview
Problem
Current bone stabilization systems for trauma applications lack flexibility in providing dynamic compression and secure locking/unlocking capabilities, particularly in varying anatomical locations and fracture types, which can lead to inadequate stress distribution and healing outcomes.
Innovation Solution
The development of a stabilization system comprising a bone plate with textured and non-textured openings that accommodate both locking and non-locking fasteners, allowing for dynamic compression and secure fixation, featuring combinations of bores with partial internal threads and elongated slots for polyaxial movement and locking mechanisms.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stress or pressure
If a bone plate with large contact area is used to transfer load, then stress concentration in the bone is reduced, but the flexibility to provide dynamic compression and locking capability is limited
Solution Approach 1:
The bone plate is segmented into multiple opening locations, each capable of receiving different types of fasteners (locking or non-locking). This segmentation allows the plate to provide both load distribution across the bone surface and selective locking/compression capabilities at specific positions along the plate.
Solution Approach 2:
The bone plate is designed with universal openings that can accommodate multiple types of fasteners (locking and non-locking screws). Each opening location can be configured to provide either compression or locking functionality, making the plate adaptable to different fracture types and anatomical locations while maintaining low stress concentration through its extended contact area.
2Reliability
If locking fasteners are used to secure the bone plate, then stable fixation is achieved, but dynamic compression capability is reduced
Solution Approach 1:
The system allows dynamic configuration where non-locking fasteners enable dynamic compression of bone fragments during healing, while locking fasteners provide stable fixation when needed. The surgeon can select the appropriate fastener type for each opening based on the specific fracture pattern and desired mechanical behavior, achieving both dynamic and static fixation capabilities within the same plate system.
Solution Approach 2:
Different regions of the bone plate can utilize different fastener types (locking or non-locking) to provide locally optimized fixation. This allows dynamic compression at fracture sites requiring mobility while providing stable locking fixation at sites requiring rigid stabilization, with each location having the quality appropriate for its specific functional requirement.
3Adaptability or versatility
If multiple opening configurations are provided for different fastener types, then adaptability to various fracture types is improved, but device complexity increases
Solution Approach 1:
The bone plate employs universal opening structures that can accommodate both locking and non-locking fasteners without requiring fundamentally different opening geometries. The standardized opening design reduces structural complexity while maintaining the ability to receive different fastener types, allowing the plate to adapt to various fracture patterns and anatomical locations through fastener selection rather than opening redesign.
Data Source
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AI summary
Devices, systems, and methods of bone stabilization. The bone stabilization system includes a bone plate having an upper surface and a lower surface configured to be in contact with bone, the bone plate having an opening extending from the upper surface to the lower surface. The opening is configured to receive a fastener, which may be either a locking fastener or a compression fastener. The locking fastener has a threaded head portion configured to engage and lock to the bone plate, and the compression fastener is configured to dynamically compress the bone.