Osteotomy Bone Plate with Graduated Visual Guides

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Solution Overview

Problem

Current osteotomy systems for bone length adjustment lack flexibility and precision in guide positioning, leading to inadequate bone shortening or lengthening procedures, which can result in improper skeletal function and pain due to uneven bone lengths.

Innovation Solution

The development of osteotomy systems that include visual and mechanical guides with graduations on bone plates, allowing for accurate selection and measurement of cutting paths, combined with compression-distraction devices to adjust bone length, facilitating more precise and flexible surgical procedures.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If traditional guide systems are used for osteotomy, then the procedure can be performed, but the guide positioning lacks flexibility and precision

Engineering Contradiction:
Improveguide positioning precisionVSAvoidguide positioning flexibility
Core Design Contradiction:
Measurement precisionVSAdaptability or versatility

Solution Approach 1:

The guide system is divided into multiple graduated markings or indicators along the bone plate, allowing the surgeon to select and position the guide at various precise locations. This segmentation enables both high precision through specific measurement references and flexibility through multiple possible positions.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The guide system incorporates adjustable or movable components that allow dynamic repositioning along the bone plate while maintaining precise alignment. This enables the guide to adapt to different surgical requirements while preserving measurement accuracy through graduated references.

Inventive Principle:
Principle #15Dynamics

2Manufacturing precision

If bone length adjustment is performed without precise guides, then the procedure can be completed, but alignment accuracy is insufficient leading to complications

Engineering Contradiction:
Improvebone cutting alignment accuracyVSAvoidguide system complexity
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The bone plate is pre-marked with graduated guides and alignment references before the surgical procedure. These preliminary markings establish precise cutting paths and measurement references in advance, ensuring high alignment accuracy without requiring complex real-time adjustment mechanisms during surgery.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The graduated guides and alignment markings on the bone plate serve as intermediary reference elements between the surgical tool and the bone. These intermediaries translate the surgeon's intent into precise mechanical alignment, achieving high cutting accuracy through simple visual and physical guides rather than complex automated systems.

Inventive Principle:
Principle #24Intermediary (Mediator)

Data Source

PatentUS8652142B2Osteotomy systems
Publication Date: 2014.02.18 ACUMED
  • US8652142B2 patent drawing
  • US8652142B2 patent drawing
  • US8652142B2 patent drawing

AI summary

Systems, including methods, apparatus, and kits, for performing osteotomies to cut bone and, optionally, to adjust bone length.