Orthopaedic Instrument Connector With Rigid Universal Locking
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Solution Overview
Problem
Existing modular connections for orthopaedic instruments are not universally transferable between different types of instrument kits and provide a non-rigid connection, compromising the integrity and performance of the device.
Innovation Solution
A device with a main body and rotating locking ring featuring cut-outs for secure attachment of both crucifix and bridge-back connections, along with a sliding securing block for additional stability, allowing secure interfacing with a variety of modular connections, including non-standard types.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a bayonet means of attachment is used for modular connections, then the device can be easily assembled and disassembled, but the connection is not rigid and compromises the integrity of the device
Solution Approach 1:
The connection device is divided into two main components: an outer body that interfaces with the modular connection (crucifix or bridge-back) and an inner body that interfaces with the driver. This segmentation allows the outer body to provide a large-area support surface for secure modular attachment while the inner body provides a separate interface for driver connection, resolving the contradiction between ease of assembly and connection rigidity.
2Quantity of substance
If a single handle is interfaced to a full range of instruments using modular connections, then the size of instrument kits is reduced, but the connection is not universally transferable between different types of instrument kits
Solution Approach 1:
The outer body is designed with a universal interface that can accommodate both crucifix and bridge-back modular connections through its specific geometric features (cut-outs and engagement surfaces). This universal design allows a single handle to interface with multiple types of instruments and different connection standards, reducing kit size while maintaining universal transferability across different instrument kits.
Data Source
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AI summary
A device (1) for connecting an instrument to a driver, the device comprising: a first connector (3) having at least two protrusions connectable, in use, to the instrument; a mechanism for moving the protrusions between a connected and a disconnected position; and a second connector (17) for connecting the device (1) to the driver, in use. A method of connecting an instrument to a driver.