Diagnostics TRIZ Cases

Computer method identifies shared anchor points between multiple sEEG trajectories to reduce the number of surgical anchors required.

Segmented tibial components and removable shims enable precise joint gap evaluation before bone resection, resolving adaptability versus complexity trade-offs.

Saw blade with nominal sizing indicia measures femur dimensions, eliminating complex measuring devices and reducing surgery time.

Ancillary instrument with contact points determines orientation reference using tri-axial sensors.

A series inductor minimizes effective bulk impedance of a return electrode, preventing patient burns when contact area falls below safe thresholds.

Plastic deformation reduces resistance in the membrane after initial movement, resolving sterility versus friction trade-offs.

Rotatable joints enable a suture needle to collapse into a wave shape for trocar insertion, then expand for secure tissue closure.

A surgical control console adjusts input arm orientation to match camera views for precise mechanical arm operation.

An asymmetric groove in the base body bends under axial load, enabling precise force detection without increasing catheter diameter.

Segmented ultrasonic cutting instruments isolate brain tumors using an elevator tip to prevent damage to surrounding delicate tissues.

An energy control device acquires resonance frequency to manage ultrasonic transducer power output.

Segmented radio frequency electrodes improve tissue sealing precision while maintaining modular cartridge structure complexity.

Segmented support structure enables pitch and roll adjustments to correct positioning without disconnecting the immobilization mask.

A torque housing limits waveguide engagement to prevent over-tightening damage while maintaining reliable tissue treatment.

Textured retractor blade surface increases friction for secure tissue handling while reducing glove puncture risk.

A unified insertion unit combines RF heating and substance injection to resolve the contradiction between treatment effectiveness and procedural complexity.

Segmented mattress layers and liquid detection prevent heat accumulation that causes bed sores while maintaining simple device operation.

An obturator and pusher sleeve enable controlled hemorrhoidal tissue suction while preventing premature band release.

Grounded retractable sheath containing dielectric fluid contains microwave radiation from ablation probes during removal.

Lateral deflection of the end effector reduces instrument shaft length while maintaining actuation stroke for distal staples.

Articulation joints and a barrel chain drive enable precise vessel harvesting while maintaining chest wall integrity during minimally invasive surgery.

Counter IC tracks switch operations to measure usage, preventing premature alarms from battery discharge.

One-handed apparatus merges protective pad with cutter to dissect membrane without harming underlying tissue.

A pre-contoured buttress plate mimics hip socket curvature to stabilize posterior wall acetabular fractures without intra-operative bending.

A reusable surgical instrument incorporates a clocking mechanism that tracks engagement cycles between components to enforce usage limits.

A compression collar applies pressure to the internal jugular vein to increase intracranial pressure.

Rolling bearing rollers reduce actuation force and friction, enabling precise clip application while preventing tissue damage.

Segmenting probes into a rolling wheel assembly reduces manual registration time while maintaining measurement precision.

A spring-biased cam blocks full handle travel to prevent accidental electrical activation during tissue grasping.

A deformable sealing member expands to seal tissue openings during surgical procedures.

A pivotable latch member blocks drive member advancement to prevent refiring with spent cartridges, resolving reliability and complexity trade-offs.

A flexible insulating boot covers conductive areas on electrosurgical forceps to enable jaw movement.

Flexible hinge mechanisms reduce friction and hysteresis in surgical instruments, improving precision for minimally invasive procedures.

A spring drives the cutting element through tissue pre-welded by pulsed RF energy, resolving the trade-off between weld strength and heat accumulation.

An acceleration sensor detects operator movement speed to automatically control fluid ejection, preventing deep cuts during hand shaking or deceleration.

Frequency shifted radio signals penetrate sterile drapes to resolve tracking obstruction and RF noise interference.

Segmented clip design merges structural support with radioactive sources, enabling precise placement flexibility while maintaining dosimetry compliance.

Segmented contact members with compression ribs anchor to skull bone through a single burr hole, reducing trauma from multiple fixation screws.

A custom surgical guide conforms to bone contours to position drill holes accurately.

A blood tube system uses a constricted expansion chamber to control fluid levels and minimize surface area contact.

A UV-curable adhesive bonds identification tags to disposable medical sponges, enabling automated assembly processes.

A variable resistive indicator within a surgical tool enables real-time identification and calibration by the power console.

A gastric bougie integrates a distal light emitter to illuminate the stomach wall and guide precise positioning during sleeve gastrectomy procedures.

Nested radial seals and resilient cleaning elements remove accumulated tissue from the shaft assembly to maintain cutting precision.

A pressurized fluid cleaning device removes impurities from dental nozzles through a dedicated main channel and access zone.

A surgical instrument uses a cam pin and slot to pivot jaw members for tissue sealing.