Diagnostics TRIZ Cases

A dosimeter system pairs a radiation detector with a magnetic position sensor to track spatial location during treatment.

An adjustable anvil mechanism modifies staple deformation height, resolving trade-offs between device complexity and adaptability.

An articulated surgical instrument uses a controller and sensors to manage bending radius and calculate tip position for precise navigation.

A detecting device packing tray uses a non-contact groove to elevate the detection region and prevent surface damage.

Segmented clutch drive resolves versatility complexity trade-off by transmitting selective rotational motion to the end effector.

A biodegradable hemostatic implant seals vascular penetrations using swelling polymers and coagulation promoters.

Passive end effector constrains surgical saw movement within a working plane, eliminating jig contact debris while maintaining precise bone cut alignment.

A skin treatment apparatus integrates a bottom-end cooling member with an exfoliating treatment head.

Segmented cartridges rotate to align sequentially with the anvil, eliminating device removal between firings.

A flexible container with a vacuum-packed sterile drape enables controlled antiseptic immersion of patient extremities.

Segmenting the cutter from the support tube allows a smaller diameter device that removes fibroids without general anesthesia.

Color-coded connectors on an enteral feeding set resolve incorrect fluid source connections by visually distinguishing inlet tubes.

A surgical instrument uses a spring-loaded axially movable member to drive jaw closure and tissue transection.

A device applies acoustic stimuli to paranasal sinuses to enhance nitric oxide flow into the lungs during inspiration.

Dual-input controller prevents unintentional end effector activation by requiring confirmed readiness before execution.

Capture members rotate independently about three axes to resolve the contradiction between fracture stability and system adjustability during bone reduction.

Measuring pump electrical current detects fluid flow blockages or leaks in microwave ablation probes, preventing probe overheating and ensuring safe operation.

A dynamic tensioning system applies controlled elastic force to tissues using a membrane and limiting element.

Negative pressure within the sealed shell expands soft tissue, stabilizing it for precise robotic incision while minimizing manual manipulation.

Mating elements with tolerance features enable secure attachment and power transmission, resolving synchronization difficulties in multi-instrument control.

A fast-action clamping device uses a tension rod and link lever to secure rod sections.

Segmented retractor frame and dynamic spatula positioning resolve insufficient line-of-sight in deep throat regions.

Piezoresistive elements embedded in the catheter wall measure force magnitude and direction, eliminating bulky separate components that obstruct fluid flow.

A pin secures the optical semiconductor element at the handpiece opening.

Lockout mechanisms prevent misfires by blocking firing unless the sled is proximal, resolving reliability versus complexity trade-offs.

A controller maintains flexible tensioning member force within a target range using dual drive mechanisms for precise end effector movement.

Transverse bladder pairs and cooling channels in a hospital bed mattress prevent bed sores through alternating pressure therapy.

Electronic processor compares sensor-measured electrical characteristic profiles against predetermined baselines to identify component faults.

A robotic surgical end effector adjusts radiofrequency and ultrasonic energy levels based on measured tissue force.

A smart tourniquet uses integrated sensors to detect arterial occlusion and provide real-time feedback for proper application.

A balloon applies preliminary counter-pressure to offset negative suction forces, preventing vessel wall collapse during thrombus removal.

A surgical stapler features a small diameter endoscopic portion for insertion through narrow trocars.

Granule-filled retractor shifts from flexible insertion profile to rigid fixation, eliminating constant manual adjustment during surgery.

A surgical stapling device indicator mechanism moves through distinct positions to visually signal the firing status of the instrument.

Carbon fiber reinforced plastic in the adapter central beam eliminates metal artifacts during three-dimensional imaging while maintaining structural strength.

Sliding the shaft inside the handle allows precise depth control while locking ribs prevent unwanted buckling during bone cutting.

Linkage system adjusts offset angle between reaming and drive axes, resolving adaptability versus complexity trade-offs in orthopedic procedures.

Windows in the cartridge jaw reveal sled position through aligned openings, resolving visibility gaps during surgical firing.

A rotational position determination apparatus calculates entry orientation using three-dimensional vessel models to align insertion devices accurately.

An electric coil and spring mechanism automatically retract a surgical robot end unit during power loss or excessive force to prevent patient injury.

A medical element management system detects fiducial markers on hernia mesh to determine precise affixation target locations for automated suturing.

Integrating suction and irrigation into one valve assembly reduces device complexity while maintaining independent control precision during robotic procedures.

Segmented plate design combines fixed monoaxial and adjustable polyaxial screw guidance to resolve the trade-off between surgical speed and implant flexibility.

A catheter transitions a braided distal portion between collapsed and expanded states via an actuator tube to navigate tortuous vasculature.

Bowden cable redirects force through a pulley to generate ankle torque, reducing distal mass and metabolic energy cost.

A brace stabilizes the umbilical cord while a dilator hook engages the arterial lumen for precise catheter placement.

Dual dispensing tubes with distinct terminal types eliminate separate storage requirements while supporting gravity-assisted mixing.

A magnetic field generator adjusts radiation dose distribution to optimize tumor targeting.