Interchangeable Orthopedic Blade Segmentation
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Solution Overview
Problem
Current orthopedic blade technologies face challenges in accurately placing and stabilizing fractures without excessive bone damage, leading to potential revision surgeries due to failure of fixation or malunion.
Innovation Solution
An interchangeable orthopedic blade system comprising an internal and external portion, where the internal portion is a screw or set screw with external threads for precise placement and the external portion is a cylindrical sleeve with a tapered end for threading into the bone, allowing for absolute stable fixation and anatomic restoration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a traditional orthopedic blade is used for fracture fixation, then the fracture can be stabilized, but excessive bone damage occurs during placement and fixation reliability is compromised
Solution Approach 1:
The orthopedic blade is divided into two separate components: an internal threaded portion and an external cylindrical sleeve portion. This segmentation allows the internal portion to be precisely threaded into the bone with minimal damage, while the external portion provides stable fixation support, thereby reducing bone damage during placement while maintaining fixation reliability
Solution Approach 2:
The internal threaded portion acts as an intermediary element that mediates between the bone and the external blade portion. It provides precise placement through threading into the bone while the external cylindrical portion provides the fixation function, separating the placement precision function from the fixation function to minimize bone damage
2Manufacturing precision
If an interchangeable orthopedic blade system is used, then placement precision and fixation stability are improved, but device complexity increases
Solution Approach 1:
The internal threaded portion is nested within the external cylindrical sleeve portion, forming a compact interchangeable blade assembly. This nesting arrangement allows precise placement through the internal threaded component while the external portion provides fixation stability, achieving high placement precision without proportionally increasing overall device complexity through space-efficient design
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The system enables accurate placement and stable fixation of fractures, reducing the need for revision surgery by providing absolute stability and resisting applied forces during healing.
Implementation Method 1
the internal portion threads. The internal portion is received in the external portion and rotates relative to the external portion, but has the external portion move non-rotatably axially with the internal portion into the bone as the internal portion threads
Data Source
AI summary
An interchangeable orthopedic blade including an internal portion and an external portion. The internal portion more accurately places the interchangeable orthopedic blade in, without excessive damage to, a bone when repairing a fracture in the bone and ultimately provide absolute stable fixation by the interchangeable orthopedic blade holding the fracture in its anatomic position and resisting applied forces while healing, to thereby provide a stable anatomic restoration and eliminate a need for revision surgery due to failure of fixation or malunion. The internal portion is received in the external portion and rotates relative to the external portion, but has the external portion move non-rotatably axially with the internal portion into the bone as the internal portion threads. In a first preferred embodiment, the internal portion is a screw with an externally threaded head. In a second preferred embodiment, the internal portion is an externally threaded set screw.