Gas Piston Limb Holder for 140 Degree Lithotomy
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Solution Overview
Problem
Conventional limb holders have limited range of motion, which is insufficient for modern surgical procedures requiring extreme positioning angles, forcing clinicians to break the sterile field and increase the risk of infection.
Innovation Solution
The use of a gas piston mechanism with movable mounting elements extends the range of motion of the surgical support structure beyond conventional limits, allowing for up to 140° of lithotomy movement while maintaining sterility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional fixed mounting elements are used, then the device structure is simple, but the range of motion is limited
Solution Approach 1:
The mounting elements are designed to be movable rather than fixed, allowing them to adjust their positions dynamically as the support structure moves through its range of motion. This enables the gas piston mechanism to maintain effective leverage and support across extreme positioning angles up to 140 degrees, resolving the contradiction between achieving greater adaptability and maintaining structural simplicity.
2Adaptability or versatility
If the range of motion is extended beyond conventional limits, then modern surgical positioning requirements are met, but the risk of breaking sterile field increases
Solution Approach 1:
The gas piston mechanism with movable mounting elements enables the support structure to achieve extreme positioning angles autonomously without requiring manual intervention or breaking the sterile field. The system self-adjusts through its extended range of motion capability, maintaining sterility while meeting modern surgical positioning requirements.
3Adaptability or versatility
If movable mounting elements are implemented, then the range of motion is extended, but the device complexity increases
Solution Approach 1:
A gas piston mechanism is employed to provide controlled mechanical motion and support for the movable mounting elements. The pneumatic system enables smooth, controlled adjustment of the support structure through its extended range of motion while maintaining stability and reducing the complexity of manual adjustment mechanisms.
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
This solution enables secure and sterile adjustment of patient limbs through a wider range of motion, reducing the need to break the sterile field and minimizing infection risks during complex surgical procedures.
Implementation Method 1
a gas piston assembly can be connected on one end to the proximal gas piston mounting element and on the opposite end to the distal gas piston mount element
Data Source
AI summary
A limb support structure is disclosed. The limb support structure can include a one or more support structures, a locking swivel joint, and a gas pistol mounting element.