Orthopedic Needle Clamping With Adjustable Leg Support
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Solution Overview
Problem
Traditional methods for immobilizing limbs during surgeries like knee arthroplasty, such as using threaded needles, are labor-intensive, lack accuracy and standardization, and increase surgical complexity and duration.
Innovation Solution
A needle clamping device with a clamping mechanism that allows for easy attachment and detachment of orthopedic needles, and a leg support device with adjustable support rods to facilitate stable and accurate limb fixation, reducing surgical steps and space occupation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If threaded needles are used to fix the limb to the support, then the limb can be immobilized, but the operation steps increase and surgical duration increases
Solution Approach 1:
The clamping device is divided into separate components: a clamping mechanism with movable clamping blocks, a fixing mechanism with threaded engagement, and a support structure. This segmentation allows each component to perform its specific function efficiently, reducing the overall time required for limb immobilization while maintaining reliability.
Solution Approach 2:
The clamping blocks are pre-positioned on the threaded rod, and the clamping mechanism is prepared in advance. When the limb needs to be immobilized, the pre-positioned clamping blocks can immediately engage with the limb, eliminating the need for time-consuming adjustments during surgery.
2Reliability
If threaded needles are used to fix the limb, then the limb can be immobilized, but the operation complexity increases
Solution Approach 1:
The clamping mechanism and fixing mechanism are merged into a single integrated device. The clamping blocks, threaded rod, and fixing mechanism work together as one unified system, simplifying the overall operation while maintaining reliable limb immobilization.
Solution Approach 2:
The threaded rod automatically positions the clamping blocks as it is threaded into the limb. The self-threading action brings the clamping blocks into the correct position without requiring separate adjustment operations, reducing operational complexity.
3Measurement precision
If multiple directions adjustment of threaded needle is performed, then proper positioning can be achieved, but the surgical steps increase
Solution Approach 1:
The clamping blocks are designed to be movable along the threaded rod, allowing dynamic adjustment of their position. This dynamic capability enables precise positioning of the needle in multiple directions through a single integrated mechanism, rather than requiring multiple separate adjustment operations.
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 device simplifies needle attachment and detachment processes, enhances surgical efficiency by reducing physical exertion and improving stability and accuracy, while minimizing surgical duration and instrument sterilization needs.
Implementation Method 1
a clamping mechanism for clamping the needle, the clamping mechanism is connected to the second component, the clamping mechanism is arranged so that at least part of the structure further clamps the first portion and the second portion
Implementation Method 2
the first portion and the second portion are arranged to clamp the shaft portion when the relative position changes
Data Source
AI summary
The present application discloses a needle clamping device and a leg support device. The needle clamping device includes a first component having a shaft portion; a second component hinged with the shaft portion, the second component includes a first portion and a second portion whose relative position is variable, the first portion and the second portion are arranged to clamp the shaft portion when the relative position changes; a clamping mechanism for clamping the needle, the clamping mechanism is connected to the second component, and the clamping mechanism is arranged so that at least part of the structure further clamps the first portion and the second portion, and drives the first portion and the second portion to change their relative position so that the second component clamps the shaft portion in the process of clamping the orthopaedic needle.