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A Compression Valve for Sanitary Control of Fluid-Driven Actuators
Simone Calò1, James H Chandler1, Federico Campisano2
1STORM Lab UK (Science and Technology of Robotics in Medicine), School of Electronic and Electrical Engineering, University of Leeds, LS2 9JT, Leeds, UK.
IEEE/ASME Transactions on Mechatronics : a Joint Publication of the IEEE Industrial Electronics Society and the ASME Dynamic Systems and Control Division
|May 2, 2020
Summary
This study introduces a novel sanitary compression valve using an eccentric clamping mechanism. It significantly reduces plastic deformation and flow-rate errors compared to standard pinch valves, enhancing medical device control.
Area of Science:
- Medical robotics
- Fluid dynamics
- Biomedical engineering
Background:
- Precise sanitary fluid control is crucial for medical robotics.
- Existing pinch valves cause damage and flow variability.
Purpose of the Study:
- To develop a sanitary compression valve with improved precision and durability.
- To reduce plastic deformation and flow-rate errors in medical fluid control.
Main Methods:
- Designed a novel sanitary compression valve with an eccentric clamping mechanism.
- Quantified reductions in plastic deformation and flow-rate error compared to standard pinch valves.
- Optimized valve linearity and resolution for specific control applications.
Main Results:
- Achieved up to 96% reduction in plastic deformation.
- Reduced flow-rate error by up to 98%.
- Demonstrated improved endoscopic device orientation control and smoother movement.
Conclusions:
- The proposed eccentric compression valve offers a customizable and effective solution for sanitary fluid control in medical devices.
- This technology enhances the precision and reliability of fluid-driven actuators in medical robotics.
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