Angled Bone Fastening Plate with Variable Segment Geometry

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Solution Overview

Problem

Conventional bone fixing plates often fail to properly position and stabilize fractured bone fragments due to improper fragment alignment, especially in osteotomy procedures where bones are relocated to correct deformities.

Innovation Solution

An angled metal plate with variable angles and multiple holes along its length, featuring an S-shaped design with curved blades and a straight segment, allows for precise alignment and stabilization of bone fragments using screws, accommodating different fracture types and extensions.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If conventional bone fixing plates are used, then fastening and stabilization of bone fragments is achieved, but proper positioning and alignment of fractured bone fragments fails

Engineering Contradiction:
Improvefastening and stabilizationVSAvoidfragment alignment
Core Design Contradiction:
ReliabilityVSManufacturing precision

Solution Approach 1:

The plate incorporates locally adapted angles at different segments (60° at proximal, 45° at distal) to match specific fracture patterns and bone anatomy, enabling precise fragment alignment while maintaining reliable fastening through strategically positioned holes and screw fixation mechanisms

Inventive Principle:
Principle #3Local quality

2Ease of manufacture

If plates with fixed angles are used, then manufacturing is simplified, but adaptability to different fracture types and osteotomy procedures is limited

Engineering Contradiction:
Improveplate fabricationVSAvoidfracture type accommodation
Core Design Contradiction:
Ease of manufactureVSAdaptability or versatility

Solution Approach 1:

The plate design integrates multiple angle configurations (60° and 45° segments) within a single unified structure, allowing it to accommodate various fracture types and osteotomy procedures while maintaining straightforward manufacturing processes through standardized hole patterns and modular geometry

Inventive Principle:
Principle #6Universality (Multi-functionality)

Data Source

PatentUS7993379B2Bone fastening plate
Publication Date: 2011.08.09 DA FROTA CARRERA EDUARDO
  • US7993379B2 patent drawing
  • US7993379B2 patent drawing
  • US7993379B2 patent drawing

AI summary

The present invention refers to a fastening plate to be used in bones, more specifically, to a plate whose shape and arrangement of screws promote the fastening and keeping of fractured bones or bones that have undergone osteotomy in adequate position, angle and inclination.