Diagnostics TRIZ Cases

An elastic fitting member yields at preset resistance, preventing excessive tissue compression in circular staplers.

An expandable occlusive plug with a flexible framework and polymer membrane changes configuration from compressed to expanded states for vascular delivery.

Segmented shockwave generators inside inflatable balloons transmit acoustic energy directly to calcified tissues.

Local temperature changes modulate vessel diameter to treat hypertension or hypotension without mechanical trauma.

Integrating pressure sensors into trial implants captures in vivo kinematics, refining CAD models to reduce wear from high periarticular forces.

System displays target-pose icons offset from current poses to resolve physician difficulty in maximizing electrode contact with the pulmonary vein ostium.

A movable sheath with depth indicators isolates ultrasonic vibrations to prevent bone contact while maintaining clear visualization of the surgical site.

A bone tamp uses a shape-memory member to create channels within cancellous bone tissue.

A control system monitors degradation of the limited-use portion and inhibits energy transmission when thresholds are reached to prevent device failure.

Remodelable biomaterial fuses venous valve leaflets, restoring unidirectional blood flow without invasive surgery.

A monolithic torque limiting tool uses a frustoconical shearing section to prevent user injury from excessive tightening during orthopedic adjustments.

Intermediary cleaning assembly attaches to surgical scope, enabling continuous lens cleaning within body cavity without removal.

Segmented electrodes apply localized high-voltage pulses to ablate endocardial tissue while protecting healthy areas.

A surgical clip applier uses a feeder shoe and feed bar system to advance clips between opposed jaws for crimping.

Load distributing plate and telescopic arms accommodate varying table widths while supporting off-center robotic loads.

A surgical instrument integrates a distal shield and handle counterweight to optimize ergonomics.

Flexible head piece with support lugs positions fetal head via elongate tube, reducing force and trauma during delivery.

A shape-memory thermal switch disables electronic circuits upon heating, preventing single-use medical device reuse and associated liability risks.

A smart communication device receives lightceutical clinical codes to control a light therapy device for customized treatment.

Flexible housing cardiac valve cutter stabilizes via pusher wires to cut stenotic aortic valve leaflets without invasive surgery.

Spring-biased compression flanges maintain friction on the shaft to prevent accidental removal during repositioning.

Real-time force measurement provides an insertion indicator that prevents bone fractures during surgical implant placement.

An integrated installation tool combines guide holes and a coupler for precise tracking member placement on bone substrates.

Thermoelectric cooling controls skin freezing to prevent hyperpigmentation and tissue damage during hypopigmentation therapy.

Acoustic sensors detect jaw-blade contact to terminate ultrasonic energy, preventing tissue surface wear and extending component service life.

Curved arc member positions skull clamp up to 45 degrees, resolving slippage risks in prone or rotated orientations.

A controller generates ablation patterns for an electrode array using real-time sensor feedback data.

A preloaded torsion spring regulates clamping force by allowing link separation above a threshold, preventing tissue damage from excessive mechanical advantage.

A lockable firing assembly ensures proper cartridge seating before actuation.

Low-friction linkages distribute magnetic force across multiple segments, reducing tissue perforation risk while maintaining reliable contact.

A surgical instrument controller tracks reusable component usage to enforce operational limits.

A fiducial assembly with imageable portions enables automatic registration of image space to subject space through synthetic digital radiograph reconstructions.

Segmented jaws independently grasp and pierce separated tissue edges with barbs, resolving the inability of existing tools to join distant tissue.

Proximal strain gauges on a ribbed tube measure surgical forces, eliminating complex wire routing through wrist joints.

Compact alignment guide uses a five-degree-of-freedom parallel manipulator to position prosthetic components during knee surgery.

Rotating inner sleeve windows misalign with outer apertures to establish a dedicated flow path, preventing overheating during electrosurgical tissue ablation.

Integrating selection and activation into one rotary push control reduces attention shifts between screen and operator during sterile surgeries.

Segmented bevels and a dedicated relief portion prevent tissue coring during hair graft placement, reducing trauma and preserving graft viability.

Segmented double-cuffed gloves resolve contamination risks during removal while maintaining tactile sensitivity and dexterity.

Nesting the locking spring inside the connecting body eliminates external edges that trap tissue, resolving cleanability issues in endoscopic surgery tools.

Wireless antenna communication enables safe laser activation without direct physical connections.

Dynamic balloon expansion eliminates multiple catheter inventory by adapting to specific vein diameters for complete occlusion.

Segmented irrigation paths deliver fluid to the cutting implement and flexible shaft port, reducing friction heat during high-speed rotation.

Dovetail locking and bed nesting reduce space occupation while enabling single-surgeon operation.

A catheter uses integrated electrodes to fuse atrial tissues while dual-mode shafts enable simultaneous or independent component control.

A cervical bone plate integrates a movable blocker and cam mechanism that locks screws securely while providing tactile feedback to surgeons during insertion.

Pre-charged caps with absorbent pads deliver antiseptics upon coupling, preventing bloodstream infections without catheter impregnation.

A fenestrated decoupling system enables selective attachment to hollow members using an expanding device with friction enhancement.

A snap-on surgical clip cartridge attaches to an instrument shaft via a concave mounting groove for secure intracorporeal positioning.