Femoral Neck Guide Wire Correction Device
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Solution Overview
Problem
Accurate placement of guide wires in bones, such as the femoral neck, is often challenging due to anatomical variances and the lack of precise guiding devices, leading to the need for correction during femoral neck fracture fixation.
Innovation Solution
A device with a central channel and angled correction channels allows for the insertion of a second guide wire at desired angles or parallel to the initial guide wire, enabling precise correction of the guide wire placement by sliding the device along the initial wire and using handle wings for orientation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a guide wire is inserted manually without a guiding device, then the insertion process is simple, but the placement accuracy is poor requiring correction
Solution Approach 1:
The patent introduces a correction device as an intermediary tool that interfaces with the initially inserted guide wire. This device provides correction channels that guide a second guide wire at precise angles relative to the first, enabling accurate placement without requiring complex pre-planning or advanced imaging equipment. The intermediary device bridges the gap between simple manual insertion and precise final positioning.
2Measurement precision
If the guide wire placement is corrected using multiple separate instruments, then the placement accuracy can be improved, but the surgical time and procedure complexity increase
Solution Approach 1:
The patent combines multiple correction functions into a single integrated device. The correction device includes multiple correction channels (first correction channel, second correction channel, third correction channel) that can all be accessed from one device body, allowing the surgeon to perform angular corrections in a single step rather than requiring multiple separate instruments and procedures.
Solution Approach 2:
The device allows for preliminary correction planning by providing pre-configured correction channels at specific angles. The surgeon can determine the desired correction angle in advance and select the appropriate correction channel, eliminating the need for complex intraoperative calculations or adjustments.
3Adaptability or versatility
If correction channels are provided at multiple angles, then the versatility of the device is improved, but the device complexity increases
Solution Approach 1:
The correction device is segmented into distinct functional components: a body portion containing multiple correction channels, each oriented at different predetermined angles. This segmentation allows each channel to serve a specific correction purpose while maintaining overall device simplicity. The channels are clearly defined and separated, making the device easier to manufacture and sterilize.
Data Source
AI summary
A device for correcting a placement of a guide wire in a bone includes a body extending from a proximal end to a distal end; a central channel extending through the body from the proximal end to the distal end along a central axis, the central channel sized and shaped to receive a guide wire slidably therein; and a first correction channel extending through the body from the proximal end to the distal end. The first correction channel is sized and shaped to receive a guide wire therein at an angle relative to the central axis of the central axis of the central channel.