Diagnostics TRIZ Cases

Monitoring vacuum return pressure detects early signs of double balloon breach, triggering automatic coolant shutoff to prevent sudden gas release hazards.

A flat-bottom milling tip engages the peri-acetabular area to prevent surface deflection during insertion.

A neurosurgical guide device uses an expansion fastening system to secure the instrument to the skull without threading.

Binder-treated fibrous substrates reduce particle shedding to prevent wound contamination and infection risk.

Segmented airbags and a controller adjust tool bending angles to accurately target abnormal tissues despite varying positions.

External heating coils and recirculation reduce cycle duration to 40 minutes while ensuring thorough disinfection.

Endoscopic devices reduce stomach capacity via adjustable bands, minimizing patient trauma and scarring compared to open surgery.

Coordinate transformation method determines spatial position of medical objects in inertial frames, resolving optical line of sight constraints during surgery.

Redundant sensor architecture switches to a backup measurement when primary trocar data becomes inaccurate, maintaining safe insufflation control.

A surgical instrument device calculates applied force by measuring distance changes between two points on a driving rod.

A surgical robot master handle estimates external forces from motion data to provide tactile feedback without physical sensors.

Segmenting the retainer into a frangible portion eliminates residual proximal forces that prevent anvil head tilting after firing.

An optimization algorithm determines precise geometric configurations for mechatronic articulable arms using real-time encoder data.

A dielectric balloon applies radiofrequency energy through inductive coupling to the uterine wall.

Segmenting overlapping 3D objects into distinct masks resolves mesh intersection issues while maintaining high resolution visualization accuracy.

Engineered substrate-promiscuous regulators detect therapeutic plant metabolites, resolving low-throughput analytical bottlenecks.

A patient transport apparatus uses a litter frame with multiple jacks to adjust vertical height for bariatric patients.

A remote control handle transitions between height positions to support operator posture.

A robotic catheter control system generates actuation signals based on proximity data to navigate medical devices through predefined zones.

A rigidifying support structure prevents end effector deformation during tissue manipulation, ensuring consistent staple formation accuracy.

A tracking arm establishes a reference frame by contacting physical points on the site to plan robot procedures.

A laser catheter positions an imaging device distal to the light guide exit aperture to capture high-resolution lumen images.

A medical instrument system customizes hot keys based on user operation frequency to simplify interface navigation.

Magnetic field sensors detect hub position through a sterile barrier, enabling precise robotic catheter alignment without compromising sterility.

A walking training apparatus adjusts motor driving force via a control device to ensure smooth transitions between leg-idling and standing periods.

Real-time gap sensors drive dynamic pressure adjustments to resolve manufacturing precision trade-offs and ensure consistent tissue seals.

A frequency measurement unit calculates tilt in ultrasonic vibration to distinguish cartilage from bone, suppressing unintentional bone cutting.

Antagonistic cable actuation enables precise pitch and yaw articulation, resolving dexterity limitations in minimally invasive procedures.

Piezoresistive stress-electricity conversion elements in a silicon substrate enable high sensitivity and accuracy during cardiac ablation procedures.

A pivot-mounted examination table uses a parallelogram linkage to lift cushions vertically while maintaining orientation.

An amnion-covered cartridge reduces anastomotic leak incidence by transferring a biological membrane to the tissue interface.

A surgical device overload mechanism uses a dual-pivot trigger to limit force transmission during jaw closure.

A medical tourniquet employs a windlass and C-shaped retainer to secure tension on a limb.

A flexible thermal transfer device circulates conditioned fluid through a tortuous path to conform to patient anatomy.

A fiber scope feeder advances a flexible inspection device into narrow lumens to capture internal images.

A surgical drape uses an adhesive sealing member and anchoring members to secure the sheet against patient hair.

A pulsed radiofrequency electrode delivers high power cycles to heat tissue while monitoring impedance and temperature for precise lesion control.

A porous double-layer device transmits coldness via antifreeze gel to aesthetic treatment heads.

A laser lipolysis hand-piece modulates emission power based on detected movement speed to prevent burn injuries during treatment.

A visualization apparatus assigns color-coded visual properties to energy application sites based on ablation depth values.

A spline-based ablation catheter with a retainer feature supports discrete electrodes for precise irreversible electroporation.

A detachable electrosurgical module integrates directly with robotic arms to generate radiofrequency energy.

A surgical generator uses pulse-width modulation to control power supply duty cycles during detected overcurrent conditions.

Automated system determines optimal hair transplantation sites by analyzing existing follicular patterns.

Separate firing and power shafts enable interchangeable tool assemblies that accommodate various staple cartridges and tissue thicknesses.

Adapter assembly converts rotary drive shaft motion into axial translation for surgical end effectors.

Dynamic dimensional constraints resolve the trade-off between three-dimensional surgical navigation and two-dimensional interface precision.

Integrated knife assembly and position indicators resolve complexity trade-offs while ensuring safe tissue severing.