Shoulder Bone Plate With Aiming Plate for Ligament Positioning
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Solution Overview
Problem
Traditional coracoclavicular ligament reconstruction surgeries face challenges in accurately measuring the anatomical position of the ligament, leading to potential loosening of the clavicle fixation position over time and the need for additional operations.
Innovation Solution
A bone plate with a fixed part and an aiming plate, featuring an accommodating groove and sliding grooves, allows precise alignment of anatomical attachment points, and includes threading holes for enhanced fixation and structural strength.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If traditional coracoclavicular ligament reconstruction surgery is performed without precise positioning, then the surgery can be completed, but the anatomical position of the coracoclavicular ligament cannot be accurately measured, leading to potential loosening of the clavicle fixation position
Solution Approach 1:
The patent introduces an aiming plate as an intermediary tool between the bone plate and the anatomical structures. The aiming plate contains aiming holes that align with anatomical attachment points, serving as a mediator to transfer and establish precise positional relationships during surgery. This intermediary device enables accurate measurement and positioning without requiring complex preoperative planning or advanced imaging equipment.
Solution Approach 2:
The aiming plate is designed to be attached to the bone plate before the actual ligament reconstruction procedure. By establishing the positioning system in advance, the surgeon can accurately identify and mark the anatomical attachment points of the coracoclavicular ligament before making incisions or performing the reconstruction, thereby ensuring precise fixation from the outset.
2Measurement precision
If a bone plate with aiming plate is used to achieve precise positioning, then the positioning accuracy improves, but the device complexity increases
Solution Approach 1:
The patent merges the aiming plate and the bone plate into a single integrated assembly. The aiming plate is attached to the bone plate through threaded holes and screw holes, creating a unified device that combines the fixation function of the bone plate with the positioning function of the aiming plate. This merging reduces the number of separate components and simplifies the surgical procedure.
Solution Approach 2:
The bone plate is designed with multi-functionality: it serves both as a fixation device (through its hook part and fixed holes) and as a mounting platform for the aiming plate (through the accommodating groove and threaded holes). This multi-functional design eliminates the need for separate positioning and fixation devices, thereby reducing overall device complexity while maintaining positioning accuracy.
Data Source
AI summary
A bone plate for treating shoulder joint injury includes a bone plate body and an aiming plate, the bone plate body includes a fixed part and a hook part. The fixed part is provided with a plurality of fixed holes and an accommodating groove thereon, the hook part is Z-shaped and is used for fixing the acromioclavicular joint, the hook part is connected to one end of the fixed part, the aiming plate is configured to be capable of being arranged in the accommodating groove of the fixed part, the aiming plate is provided with a plurality of aiming holes thereon, wherein when the fixed part is placed on the acromioclavicular joint and the aiming plate is arranged in the accommodating groove of the fixed part, the aiming hole of the aiming plate is aligned with an anatomical attachment point of an coracoclavicular ligament of the acromioclavicular joint.