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(Minimal cognitive load (Lever, Press button, Slider, Touch button, Knob,…
Minimal cognitive load
Lever
Press button
Slider
Touch button
Knob
Toggle switch
BACK-FLOW CONTAMINATION PREVENTION
One way valve
Back flow through catheter only
No back-flow through device
Sterilizable air flow tube
Filter at the air inlet
Waste deposition from colon
Use of filter at the tip
Zig zag type catheter
Small hole
Back flow through catheter
Big catheter
AIR LEAKAGE PREVENTION
External & internal balloon
Catheter with Velcro
Big internal balloon
Visual feed back to insert some length
Adhessive
Filtration
Chemical (To sterile)
Activated charcoal
Bio filter
Foam (dust)
PORTABLE
Battery powered
Kind of wearable
Light weight material
Attach with bed
CATHETER INFLATION
Injection
Squeeze to inflate
Cycle pump
Device itself has valve
CONSTANT PRESSURE
Dc pump , Air pressure sensor with solenoid
Capsule inside colon itself
Air capsule