Diagnostics TRIZ Cases

A spring-driven rotary release replaces forceful snap pinching in vascular closure pulling control, reducing accidental disengagement.

An inertial sensor in the surgical instrument replaces optical tracking to guide robot arm camera movement without interrupting workflow.

Displacement and acceleration sensing determine bone drill breakthrough depth during boring, removing separate gauges and reducing procedure time.

RFID triangulation tracks item position and motion near the surgical site to improve counting accuracy and prevent retained surgical items.

Projected joint-surface geometry reconstructs inaccessible bone contact areas with higher registration accuracy and less surgical registration time.

Pre-op data and surgical feedback train a model that standardizes patient-specific spinal surgery planning and guidance.

RFID and optical identifiers verify radiotherapy components against authorization data, reducing servicing errors and unauthorized use.

A slit-guided measuring assembly improves bone cut position and perpendicular alignment, helping artificial joints fit more accurately.

Mechanical lockouts and preload engagement secure surgical instrument mounting while avoiding unpredictable motor-driven installation behavior.

Real-time flow sensing switches aspiration between cycling and continuous suction to limit blood loss while improving clot extraction.

An audible or tactile indicator signals when the stapler anvil can tilt for removal while staying locked to prevent separation.

A spindle with segmented enclosures and propellant mixing prevents catheter clogging and stabilizes flow for accurate medical agent dosing.

A constrained floating transmission member cuts backlash and sliding resistance, improving force estimation and tool control in medical robots.

Torque-sensor feedback keeps minimum cable tension and enables null-space pressure control for more precise robotic wrist actuation.

A virtual remote center lets surgical instruments translate and rotate precisely without cumbersome physical RCM adjustment mechanisms.

Crossed dual heating coils and temperature feedback help ablate varicose veins with adjustable power while limiting heat to nearby tissue.

Segmented in vivo robotic arms improve mobility and surgical precision inside the body cavity while keeping incisions small.

Embedded NFC enables passive surgical tools to authenticate and exchange secure data with robotic arms without breaching the sterile barrier.

A penetrating arm and movable grasper enable controlled closure of gastrointestinal defects at the muscular layer through a catheter.

A movable shaft and optical length indicators let one surgical pointer fit different procedures and user preferences while improving positioning accuracy.

Ultrasound-guided robotic actuation advances the needle, guidewire, and catheter to reduce Seldinger errors and vascular access complications.

Oscillating RF power heats tissue to 80-115°C, softening dense fibroids so ablation elements insert with less force and deformation.

A proximally positioned distal bundling section helps embolization baskets retain coils, fill aneurysms more completely, and reduce vessel wall damage.

An oscillating impactor turns shock waves into jackhammer-like motion to penetrate calcified CTOs while limiting vessel trauma.

Local battery modules near exoskeleton actuators cut power loss and cable snag hazards while preserving natural limb motion.

Deep learning uses scanner camera images to infer imaging protocols, verify patient readiness, and guide positioning or coil placement.

Predetermined wire break points let a retrieval basket securely capture large objects, then release them safely when sheath removal is blocked.

AuPtW alloy coils balance radiopacity, softness, and columnar strength for small-catheter delivery and stable wide-neck aneurysm retention.

A movable shaft with optical length indication and tracking lets one surgical pointer fit different procedures while preserving navigation accuracy.

Dynamic PD/PID coordination of inlet and outlet valve control keeps cryoablation balloon temperature stable within safe pressure limits.

Voltage-based zero-point detection aligns micro needle start position for accurate RF treatment depth and less discomfort.

Real-time resistance and electric field feedback stop pulsed ablation at the target lesion size, improving PFA consistency and limiting thermal damage.

Randomized multi-frequency vibration with sensor feedback replaces inconsistent manual tapping to prevent habituation and improve retention.

A nested rear conduit centers the traction wire and vents trapped gas, easing retraction while keeping the implant stable for hemostasis.

An unpressurized intermediate tank hydraulically separates storage from reprocessing devices to prevent backflow, dosing errors, and wasted liquid.

Insulated retractable electrodes and high-voltage connectors deliver nsPEF tissue treatment while reducing arcing and tissue damage.

Force-guided robotic marking aligns planned organ cut points with real surface normals, improving trajectory accuracy despite registration errors.

Software separates axial and carriage motion so surgical instruments pass through small apertures with less lateral movement and tissue trauma.

A grounded fingered shield attenuates electric fields to cut capacitive coupling while preserving wireless instrument communication.

Mixed reality overlays implant size and alignment on the resected humeral surface to improve fit accuracy and reduce fracture risk.

Real-time flow sensing and pulsed vacuum control improve clot extraction while limiting blood loss and vessel damage during thrombectomy.

A dual lockout assembly blocks articulation and holds joint position, preventing end effector shake during tissue stapling.

A ring-and-fastener coupler speeds anastomosis while reducing leakage, micro-motion, and vessel trauma in tubular connections.

Internal irrigation and aspiration routing clears the surgeon’s view, reduces handpiece bulk, and lowers tubing strain at the connector.

Laser-guided canal cleaning uses motion monitoring and power cutoff to sterilize narrow instrument channels without surface damage.

Angled suction channels and sealed assembly keep smoke away from the lit wound area while blocking patient fluid ingress.

Marker sensing on the guidewire lets the controller enable the cutter only at the lesion site, preventing unintended cutting in body cavities.

A beveled rod end enables percutaneous tissue release through a small puncture while improving control and minimizing damage to surrounding tissue.

A cam gear and yoke pin closure subsystem gives a robotic stapler precise nonlinear anvil motion while preserving independent articulation and firing.

An inflatable balloon with bipolar electrode pairs adapts to vein size for focused RF ablation while limiting damage to surrounding tissue.