Diagnostics TRIZ Cases

Optical tracking and a 3D reference frame guide surgical tool alignment without X-rays, improving accuracy across patient-specific bone anatomy.

Ablation and dilation create a left atrial-coronary sinus shunt to relieve pulmonary edema without leaving a permanent implant.

A one-swipe housing cleans and dries the stethoscope head while fluid-status lockout helps prevent contamination and missed disinfection.

A PCB relay cuts touch sensor power during plasma delivery, preventing EMI-driven touchscreen faults in electrosurgical generators.

Patient-specific virtual body models and step-level cue sheets help optimize surgical workflows and remove unnecessary procedures.

Overlapping RFID detection zones and time-stamped reads improve surgical instrument tracking and help enforce service-life and usage-sequence rules.

Intraoperative landmark capture rebuilds knee bone anatomy after implant removal, improving revision implant positioning and planning.

A modular smart port combines barcode, NFC, RFID, LIDAR, and AI to simplify sterilization-cycle product identification and documentation.

Two fixed imagers and orientation sensing replace tilting cameras to deliver a vertically extended view in normal or inverted wear modes.

A motor-driven expandable vaginal dilator replaces multi-size kits with gradual diameter increase, lower discomfort, and real-time feedback.

A 4% sulfur rubber pad on a movable-stop autopsy headrest increases friction and elasticity to keep the head stably fixed during examination.

Two-wavelength reflection sensing measures waveguide-to-stone distance despite varying fluorescence and reflectance, improving lithotripsy accuracy.

A robot-coupled surgical platform and trolley links table repositioning to the robotic interface, improving coordinated movement during surgery.

Mechanical sliding-member recognition identifies surgical loading unit type during assembly, avoiding RFID pre-scanning and reducing setup errors.

Electronic massage attachments combine percussive, heat, cold, and infrared therapy in one platform to simplify use and improve synergistic treatment.

A hinged coracoid clamp with curved feet and a tightening screw secures the navigation tracker to maintain a stable surgical reference.

A self-expandable mesh cap with retention arms stabilizes wide-neck outpouchings at the neck, reducing displacement, vessel damage, and recurrence.

An indexed lever adjustment aligns the collet actuator with the tool handle to offset tolerances and improve pin or wire clamping.

Spiral struts span the aneurysm neck while an anchor engages the sac wall, containing coils and avoiding permanent stents in wide-neck aneurysms.

A shape memory shunt adjusted by an energy delivery catheter helps match changing physiology and control fluid flow without invasive reassessment.

Color-matched indicators on ports and instrument assemblies help staff quickly identify cable connections during multi-instrument procedures.

Interactive mixed and augmented reality links remote users, virtual procedure data, and tracked physical items to improve procedure execution.

An oscillating robotic cutter paired with real-time ultrasound removes bone precisely while avoiding soft tissue damage and rotary tool wrapping.

Low-profile in-line handles with angled or curved shafts reduce instrument clash and improve tip visibility in single-port laparoscopic surgery.

A self-contained vacuum source and regulator deliver negative pressure wound care without wall vacuum or electricity in remote settings.

Compliant tips, articulating joints, and force sensors enable automated organ retraction with better force control and less tissue damage.

A sensor-controlled clutch lets a spring store and release knee energy while disengaging to avoid interfering with walking, running, or sit-stand motion.

A garment-mounted vibration module uses isolation, flexible coupling, and breathing sensing to deliver consistent in-phase dyspnoea therapy.

A spring-loaded slider links split stapler handles to block accidental firing, improve operator use, and protect the casing from impact.

A crank-driven articulating jaw improves cardiac tissue positioning and clamping to create continuous ablation lesions without repositioning.

Variable-rigidity catheter guidance and dual-viscosity transfer media improve embryo placement accuracy while reducing bending and expulsion risk.

Burst vibrations generate internal shear waves to keep the airway open in sleep apnea treatment without CPAP masks or surgery.

User-selectable virtual boundaries keep a surgical tool compliant during anatomy movement while avoiding unexpected autonomous motion.

Direct balloon compression reaches the deep abdominal aorta to rapidly occlude blood flow when external pressure cannot control hemorrhage.

Pre-made suture holes and markings help membranous tissue grafts avoid tearing and reduce tissue trauma during microsurgical nerve repair.

Rare-earth magnetic beads create bimodal sphincter force to prevent reflux while still allowing normal food passage with less invasive treatment.

A spring-loaded lockout lever blocks firing member advance unless an unfired staple cartridge is present, preventing unsealed tissue cutting.

A cartridge-actuated lockout blocks firing when an unspent staple cartridge is not fully seated, while still allowing jaw clamping.

A footswitch pre-enables surgical functions, then head gestures control them, reducing layout memorization and accidental activation.

An integrated mechanical and electrical port automates external fixation strut adjustment, reducing identification errors and improving frame stability.

Flat band conductors stiffen the thermofusion jaw while carrying current, enabling gap-free sterilization and precise tissue fusion.

A thin flexible paddle forms an arch to distract tight joints while enabling reliable ligament tension measurement during orthopedic procedures.

An adjustable rear headband uses contact surfaces and hair-accommodating voids to improve helmet fit, comfort, ventilation, and lighting.

Built-in force, temperature, and acoustic sensing helps control tissue heating and sealing in robotic surgery without disrupting tool function.

Optical image recognition identifies similar surgical instruments without invasive marking, speeding kit recomposition and reducing errors.

Actuator-state monitoring tracks surgical instrument wear in teleoperation, enabling timely replacement and more reliable procedures.

A lithotripsy laser fiber standoff uses open-sided geometry or flushing ports to clear stone dust, limit FEA damage, and extend fiber life.

A trigger-driven spool winds the ligator wire automatically, cutting handling time and avoiding reverse-force instability during band application.

Cartographic mapping and ellipsoid fitting reconstruct the glenoid surface to guide shoulder implant placement and custom component geometry.

Marker points on a navigation stick let a camera compute 3D position without a separate tracker, reducing device count and improving movement flexibility.

A lever-based electrosurgical device uses a pressure sensor to convert grip force into electrical signals for jaw actuation.

A telescopic electrotome pencil body integrates a hollow channel and elastic limiter to adjust the smoke evacuation pipe length.

A laparoscopic connector uses a deformable seal to create fluidic and electrical barriers between the instrument tip and tube end.

Patient-specific bone resection guides eliminate lengthy intraoperative adjustments by using pre-configured anatomical features for precise surgical alignment.

A metallic plate device generates planar skin micrografts through blister formation and precise cutting.

Segmented links lock via tension wire to clear scar tissue without spinal cord pressure.

Variable height acetabular cup rim matches natural bone contours, reducing impingement and wear.

Segmented nitinol struts engage clots over significant surface area, reducing compression force and preventing fragmentation during single-pass retrieval.

Alignment structures enable automated assembly of small pressure sensors, resolving the contradiction between compact size and manufacturing precision.

Segmented jaw supports and spaced-apart hinges increase axial guide length to resolve precision guidance challenges in surgical instruments.

A cardiac pacing system detects inappropriate atrial-ventricular delays and induces additional atrial contractions to maintain mechanical coupling.

Ultrasonic sensors monitor fluid flow direction and rate within the aspiration lumen to detect catheter clogging during thrombectomy procedures.

A hand-controlled bone grafting device uses a rotatable saw to harvest precise bone blocks.

Staggered tooth rows on the cutting head maintain continuous bone removal during reciprocating strokes, reducing site preparation time.

Sealing members close the space between casing and housing to maintain positive pressure, preventing leakage during deep drug delivery.

A bimetallic rod elongates under heat to rotate a gear and update the cycle counter.

Segmenting the instrument into reusable housing and disposable end effectors reduces manufacturing complexity while ensuring consistent performance.

A flexible distal portion with a stretch-resistant tube prevents elongation during navigation through tortuous anatomy, ensuring accurate placement.

Segmented supporting and cover components form a protective hollow body that prevents irritation during extension device use.

A medical needle shield featuring an anti-rotation component that prevents housing twist.

Segmentation and intermediary registration enable precise real-time guidance for external ventricular drain placement while reducing system complexity.

Movable flex ramps in the driver disengage at a set torque limit, eliminating recalibration needs and extending usability beyond single applications.

Locking surface and support portion secure the phototransmissive front panel, preventing adhesion failure in harsh medical environments.

A surgical reamer features a cutting section extending along less than half the shaft circumference to enable controlled bone removal.

Radiopaque emitter stations enable fluoroscopic localization while generating plasma pressure waves to disrupt vascular lesions.

A robotic surgical instrument drive unit incorporates a flex spool assembly with coiled printed circuit boards to manage rotational movement.

A circular stapler uses a two-stroke mechanism to separate staple formation from tissue cutting.

End effectors display electrical pathways via color-coded markings and virtual feedback systems.

Portico cut profile guides protective film folding along preset columns, reducing the pulling force required to detach semi-wrappers from adhesive supports.

A multilayer safety pad isolates healthy tissue from thermal and electrical interference by using a Faraday shield to block electromagnetic fields.

A flexible sensor manufacturing method disperses graphene in polymeric material using high-power ultrasound to achieve uniform distribution.

Real-time patient imaging on surgical robot displays resolves operator trade-offs between alignment precision and continuous patient condition monitoring.

A wicking pad evaporates sterilant fluid into a device container, preventing thermal damage to delicate rubber and plastic components during decontamination.

An engraved mark on the jaw member copies the blade's profile, resolving visibility issues when the instrument is obstructed by tissue.

Clock spring biasing member applies constant force to move second paddle relative to first paddle for gap measurement.

A wearable pinna neural stimulator delivers vibratory stimuli to modulate sensory nerve activity via a personal computing device.

Inverse kinematics algorithms model tissue interaction to enable real-time path planning and obstacle avoidance during minimally invasive procedures.

A firing assembly lockout mechanism blocks the staple cartridge drive when a spent unit is detected, preventing accidental tissue damage during surgery.

Temperature-dependent bonding enables controlled detachment of trapped catheter tips, preventing device breakage during removal.

Infrared sensor detects bone interface heat to prevent cell damage via visual and audio alarms.

Pre-compressing the actuation element guide minimizes length changes during bending, maintaining reliable end-effector actuation through curved cannulas.

A rotational drive mechanism translates rotary input into linear motion using cam slots to extend and retract drive pins.

A thermally switching valve connects a process media line to an indicator receptacle only during sterilization cycles.

Extensible carrier facilitates wrinkle-free drape application, reducing bacterial contamination risks during surgery.