Diagnostics TRIZ Cases

A surgical probe merges ultrasonic vibration with high-frequency current to cut tissue while stopping bleeding.

Segmented guide protectors shield nerves and tissues while preserving surgeon visibility during minimally invasive procedures.

Open cell foam device adapts to variable anatomy without hooks, eliminating leakage and bleeding risks.

Discrete anvil adjustment shaft positions provide tactile feedback for precise staple height control, preventing tissue leakage.

Processing circuitry estimates medical tool position relative to surrounding sites using operation information.

A tubular cutting head with a conical knife edge extracts single hair follicles sequentially for immediate implantation.

Braided mesh locator portion detects distal end position within the aorta, enabling non-fluoroscopic placement without imaging guidance.

Segmented stiffening rods in a surgical shaft resist axial compression during end effector actuation, improving precision through single-port access.

Locking member engages pulley at original point to resolve positioning accuracy trade-off.

Segmented adapter assembly with integrated filtration shields the hypodermic needle from rubber stopper particles during reconstitution.

Inflatable chambers deploy the impermeable sheet without manual assistance, resolving positioning difficulties and reducing cross-contamination risks.

Feedback control system monitors cutter position and force to prevent overrun into the sensitive nail bed, ensuring safe treatment access.

A fluoropolymer-coated blunt dissector reduces friction during endoscopic blood vessel harvesting.

A four-cable wrist mechanism controls pitch, yaw, and grip motions using non-conductive cables routed through integrated capstan assemblies.

Conductive shaft acts as antenna for wireless communication, eliminating wired connections through rotating joints.

Flexible arms and self-centering catheters compress tissue in small gaps, reducing residual regurgitation without causing stenosis.

A stereoscopic camera switches between visible and near-ultraviolet light modes to superimpose fluorescence data on surgical images.

A measurement and control system samples output signals to adjust microwave energy delivery parameters.

A disposable surgical handle integrates sizing cavities and a planarizer to prepare bone surfaces for implantation.

A surgical instrument uses spring-loaded clamping pins to detachably connect a handpiece drive shaft to a tool tube via integrated locking slots.

Notched cam plate and slider mechanism ensure proper loading unit engagement, preventing accidental operation during surgery.

Bent supporting rods constrain a medical boring drill to prevent over-drilling, reducing operation time while ensuring safety.

Movable marker elements on a surgical referencing unit automatically adjust positions via mechanical interfaces to identify connected instruments.

Rolling contact replaces complex pinned joints in this surgical forceps, resolving the trade-off between high shear force generation and device complexity.

Angled bone-contacting surfaces on augmented glenoid implants minimize bone removal while ensuring stable baseplate fit.

A corrodible core wire uses insulating layers to focus electrolytic activity at a specific detachment zone for reliable implant separation.

Multi-planar anchoring surfaces resist shear loads while dual-axis reaming guides conserve bone volume during precise preparation.

A lock system positions a medical device spacer to secure the perforating tip in a shrouded state.

Predetermined angle markings on the handle allow rapid positioning of the distal end, reducing operation time and surgical risk.

Absorbent disinfecting covers contact optical-fiber ferrules to transfer antimicrobial agents, preventing pathogen spread during reuse.

A renal neuromodulation catheter uses real-time sensor data to adjust energy delivery for precise nerve incapacitation.

A surgical arm uses a cam mechanism to lock multi-directional movement, replacing complex separate adjustment and fixing actions.

A detachable LED adapter solves integration complexity by providing reliable illumination without modifying existing electrosurgical instrument designs.

A medical device release system uses a segmented securement member to detach a proximal portion from a distal portion for controlled implant deployment.

A contactless pointer unit uses a real component with position labeling devices and a control unit to calculate and display a virtual tip.

Through groove in elastic sheet restrains laminated cutter push rod sheets from detaching, preventing blocking and ensuring stable firing performance.

A cordless lighting device attaches to tools via a tapered cavity and self-locking protrusions for focused illumination.

Dual dial controller coordinates drive shafts to rotate and pivot the end effector, resolving maneuverability constraints in tissue positioning.

A malleable guide block positions multiple electrodes to create coherent ablation volumes.

Mechanical linkages guide strap extension to predefined angles, resolving the trade-off between elevation speed and operational complexity.

Stepped cartridge decks and asymmetric staples resolve inconsistent tissue compression by varying local pressure while maintaining simple manufacturing.

A catheter probe integrates a force sensor with a central opening to route irrigation tubing through the distal end.

Integrating a load cell within the robotic arm structure improves force measurement accuracy while managing increased device complexity.

Segmented tip electrodes isolate irrigation fluid from electrical components, preventing leakage while enabling effective cooling at the tissue interface.

A cabled differential robot shifts motor mass away from the patient workspace to enable comfortable, multi-axis physical therapy.

Segmented expandable frames eccentrically mounted on a support wire capture emboli, maintaining vessel wall apposition through tortuous anatomy.

A virtual 3D bone model determines optimal length and orientation of implant screws using preoperative radioscopic imaging data.