Stretcher TRIZ Cases

Segmentation separates the support structure from the hygiene layer, resolving trade-offs between patient comfort and device complexity.

Motorized stretchers with transverse litters automate patient transfers, eliminating manual handling risks and nurse intervention.

Dynamic auxiliary wheel deployment resolves the contradiction between straight-line grip and cornering stability by retracting wheels during maneuvers.

Resilient biasing locks the coupling during high acceleration while an actuator enables quick release, resolving attachment security versus operational speed.

Replacing bulky linear actuators with a compact cable-pulley system frees support frame space while easing manual foot section adjustment.

Pin stops on a sliding trolley dock a patient litter to a base frame, eliminating transfers between stair chairs and cots.

A patient transport frame assembly with a handle and brace surface supports treatment devices during stair navigation.

Dynamic fulcrum adjustment increases initial lifting force while reducing device weight, resolving portability constraints in manual patient lifters.

Foot end extension extends beyond litter base to support dangling feet, resolving flat configuration gaps.

Parallel offset axles prevent wheel immersion in corrugated surfaces, eliminating shocks during patient transport.

Elongated legs flex under load while pivotal caster assemblies maintain continuous surface contact, preventing instability from lost wheel support.

Segmented frame pieces with hinge couplers enable rapid assembly, reducing soldier load by 50% while maintaining structural integrity.

Self-aligning ramps guide the ambulance cot into precise alignment, eliminating manual operator intervention and reducing safety risks during loading.

A lift assist mechanism with dual grasp handles and a force transmission assembly enables single-handed operation of roll-in cots.

Segmented straps resolve the contradiction between ease of gripping and lifting security, enabling versatile handling in confined spaces.

Carbon fibre composite chassis with transparent inspection windows resolves damage detection conflicts while an adaptor ensures aircraft compatibility.

Nested telescoping frame rails reduce collapsed volume and weight, resolving bulkiness that hinders portability in rugged terrain.

Segmented U-bar allows pedal actuation from multiple sides, reducing time to change bed position.

Replacing hydraulic cylinders with a lead screw mechanism eliminates abrupt lifting movements and sling swinging, ensuring stable patient transfer.

A double end shaft motor drives an imaging table assembly via a belt and pulley mechanism.

A foldable patient litter uses a truss structure with flexible tension members to support loads through axial forces.

Separable stretcher units nest for compact transport, resolving the trade-off between lightweight portability and structural strength.

Automated conveyor sheet repositions bedridden patients to eliminate staff back strain and injury risks.

Front and rear rotors generate pressure gradients on fixed wings to boost vertical thrust, eliminating dead weight from unused motors during forward flight.

A hospital bed head carriage tilts a roller to enable transverse movements in the raised position.

A convertible door emergency removal device uses mating hinges to join detached door panels into a stretcher frame with strap handles.

An accelerometer detects occupant presence and movement within a person support apparatus to enable reliable exit monitoring.

Folded side walls compress the empty bag for compact storage, while composite layers and RFID tags ensure durability and evidence tracking.

A patient transport apparatus integrates a pivoting ski assembly with a carrier mechanism that locks the skis during stair navigation.

A flexible webbing cradle encases rigid rods to support patients in a horizontal position during sea rescue operations.

A hand-actuated caster braking system uses a Bowden cable to transmit force from the handle to caliper arms for wheel speed control.

Horizontal rails and auxiliary wheels transfer stretcher load, eliminating manual weight support for paramedics.

Force sensors on the handrail detect caregiver input direction and magnitude, enabling motorized wheels to steer automatically through tight hospital spaces.

A portable critical care unit consolidates patient monitoring and treatment devices into a single lightweight platform.

A polyethylene patient transfer tube uses a silicone interior lubricant to lower sliding friction while maintaining structural rigidity.

Electronic coordination of transport handles prevents obstruction while maintaining ease of operation during movement.

A rescue stretcher uses a segmented frame and flexible base panel to support injured persons during transport.

A stretcher loading assembly uses a hydraulic lift and turntable to move medical stretchers within aircraft cabins.

A rescue stretcher handle system uses pivotally mounted studs and ground spikes to adapt to user heights while preventing sliding on uneven terrain.

An omnidirectional mobile medical device chassis enables versatile movement in confined hospital spaces.

An electro-mechanical braking system uses a shared linkage assembly to enable manual and electrical actuation of wheel brakes.

An electromechanical stretcher frame employs sensors and actuators to automate loading, eliminating manual operator skill requirements.

Segmented front leg casters allow lateral rotation at intermediate heights, resolving the contradiction between transport speed and operational flexibility.

A motorized treadmill mechanism moves a continuous mattress loop to reposition patients within hospital beds.

Rigid spray polyurethane foam sets directly on skin for immediate limb stabilization.

A patient transport device uses a transformation mechanism to convert between planar and angled support states.

A brake assist system uses tilt sensors to apply partial braking on slopes, ensuring controlled movement of patient handling equipment.

Telescoping trailing legs extend for stable high-height loading then retract to reduce manual effort and improve weight distribution.