Diagnostics TRIZ Cases

Segmented iron alloy particles within a polymer core enable metal detector identification while preventing skin marking.

A return electrode detection system monitors capacitance to verify contact quality during electrosurgery.

Radiopaque particulate injection enables in vitro imaging assessment of embolic filter capture efficacy.

A probe measures body cavity temperature using a sensor protruding from an electrode surface.

A medical instrument tip equipped with a touch sensor detects physical contact to trigger automatic signal transmission.

Integrated overmold seal prevents fluid leakage during sterilization cycles while maintaining electrical connectivity through pass-through connectors.

A 3-D scanner determines optimal port locations for robotic medical systems, reducing arm collision risks during complex procedures.

A motorized surgical instrument uses a charge accumulator to supply extra power to the electric motor during tissue cutting operations.

An expandable funnel catheter uses tensioners to lengthen its axial dimension, capturing adherent clots while preventing distal embolization.

Alternating force cycles stabilize polymer tendon elongation, preventing kinematic imbalances and lost motion in robotic surgical instruments.

Segmented cutting blocks with integrated measurement markings reduce surgical complexity and incision size in total knee replacement procedures.

Segmented light modules attach to retractors, eliminating shadows in deep incisions while enabling single-use sterility.

Segmented compression areas enable manual pressure control and stable hemostasis without obstructing venous outflow or requiring additional personnel.

Specialized guides ensure precise hole alignment to prevent glenoid cavity damage.

A reciprocating member engages elongate cam slots to define a predetermined gap distance between isolated electrodes and opposing tissue surfaces.

A surgical instrument uses a rotating clamping element to securely hold and advance wires during bone procedures.

A wedge osteotomy device uses a pivoting cutting guide with an arcuate slot to orient bone cuts at precise angles.

Segmented staple rows on a reusable feeder belt eliminate cartridge exchanges and site relocations during minimally invasive surgery.

Counterweight mechanism balances tubing pull to eliminate user fatigue while universal shape accommodates multiple grip styles.

Meshing gears enable exchangeable drive shaft attachment to one handle, eliminating the need for multiple specialized devices during procedures.

A vibrating footboard uses segmented upper plates coupled to an intermediate plate via independent elastic means for tailored neuromuscular stimulation.

A surgical fastener uses shape memory material to change configuration from an open insertion state to a closed tissue-engaging position.

Co-culturing excitatory and inhibitory neurons from induced pluripotent stem cells creates balanced networks that simulate in vivo neurological systems.

An integrated position tracker on a robotic cut guide reduces invasiveness by eliminating tibial pins while maintaining tracking accuracy.

A robotic surgical system uses spherical balls to track physician-side shaft movement for precise remote control.

A sternal ascender apparatus uses a linear rack and cylindrical gear to lift the ribcage vertically.

Nested crimping tubes enable precise cable fixation without radial deflection, eliminating large surgical openings that increase patient pain.

Rotating semi-annular blades engage a tapered shearing template to perform precise perpendicular cuts during circumcision procedures.

Expandable catheters align via magnetic attraction to deliver precise ablation energy across heart tissue walls.

A vapor delivery probe rotates a cutter to remove prostatic tissue while applying thermal energy.

A surgical instrument with an adjustable jaw assembly accommodates osteosynthesis clips of varying base and flange thicknesses.

Adjustable anvil and locking mechanism resolve fixed staple height issues and prevent actuator knob misalignment with surrounding tissue.

A flexible polymer patch attenuates ionizing radiation in breast brachytherapy.

Segmented flat arms extract the ratchet mechanism from enclosed housings to eliminate bacterial contamination risks during sterilization.

A stepped staple cartridge uses varying staple heights to ensure consistent formation across different tissue types.

A facial treatment apparatus uses a segmented visual display to guide users through specific skin regions during automated cleaning protocols.

A dual semitransparent deflector arrangement directs parallel illumination paths to optimize red reflex visibility for both primary and assistant surgeons.

Segmented push rods with friction detents retain tendon repair fasteners, preventing chronic pain from inadequate repairs.

Offset energy sources rotate and translate via extensions to improve positional accuracy during tissue resection.

Through-apertures in a porous metal prosthesis allow fixation devices to pass while filling bone voids, resolving obstruction issues.

Segmented implant system drains cerebrospinal fluid via a dedicated connector between subarachnoid and venous access points.

Surgical stapler uses elastic members to apply constant compressive forces across varying tissue thicknesses.

Prevents muscle contraction and injury by applying preliminary action to stabilize joints before straight-plane motion.

Calculating the acetabulum center axis from rim points replaces anterior pelvic plane references to resolve orientation errors during patient repositioning.

Segmented arcuate ribs on the penetrating member distribute cutting forces to reduce tissue trauma during minimally invasive procedures.

Rotating threads pull a surgical press shaft into bone tissue, replacing manual pounding with precise alignment and stabilization.

Segmenting the actuator into a nested hollow shaft resolves wearability complexity, enabling versatile sensation during concurrent activities.