Diagnostics TRIZ Cases

Stall detection with dynamic braking and reverse torque controls drive shaft unwinding to limit vasculature trauma during atherectomy.

An optical camera identifies medical devices from visual markers and applies imaging parameters automatically, reducing technician error and hardware cost.

A rotating helical cage separates treatment tools from the vessel wall, enabling aggressive chronic-occlusion treatment while protecting vessel tissue.

Ratcheted blade connections and alignment features let retractors expand a stable, adjustable spinal corridor while preserving orthogonal and parallel orientation.

Pressure-sensed aspiration with automated plunger control removes clot precisely while filtering and returning blood to reduce loss and hemolysis.

Control units lower jaw force or torque during electrode energy delivery, helping surgical tools hold tissue securely without excess damage.

A face-opening cavity uses emitting and reflecting surfaces to deliver light therapy while illuminating the floor for visual comfort.

An integrated blower feeds a mattress microclimate layer to cool the patient interface, lower pressure injury risk, and simplify cleaning.

Sensor-linked strut adjustment automates length changes, verifies strut identity, and reduces manual errors that can destabilize external fixation.

Winged guide-tips, side ports, and radiopaque markers simplify subintimal CTO crossing and true-lumen re-entry while limiting vascular trauma.

A brushless motor and push rod assembly deliver automated deep-tissue percussion with adjustable force, temperature sensing, and recovery feedback.

An articulating coupler provides linear-force feedback during tissue removal, limiting excessive advancer force before tissue or motor damage occurs.

Tip sensors detect pressure, temperature, or impedance changes and automatically adjust the driver for timely medullary access.

A decoupling collar and retractable drive coupler speed robotic instrument exchange while protecting sterile components from contamination.

Torque and rotational acceleration sensors provide real-time feedback during fixator installation to reduce post-operative screw loosening.

Perpendicular sensitive grids share one ground port, saving wiring space and shrinking catheter-tip pressure sensors for interventional use.

A shape-memory stylet supports stable positioning while cryoablation and pulsed fields target complete pulmonary vein isolation.

The torsion-bar and slider mechanism delivers even circumferential pressure for one-handed hemorrhage control in field settings.

A plate-shaped distal tip with bilateral gripping faces improves visibility and enables precise, atraumatic tissue preparation on straight tool elements.

A pull-connected capture cage and internal macerator improve engagement and extraction of long thrombi in large or tapered vessels.

An oblique distal end face helps a rotating tissue-removing catheter bypass calcified obstructions, reduce hang-ups, and limit false-lumen burrowing.

A pivotable lockout assembly blocks closure plates and the firing bar when a staple cartridge is absent, incompatible, or spent.

Actuation-level sensing and position offsets compensate for manufacturing variation, elastic deformation, and wear during surgical procedures.

Electrical charging helps an interventional element retain clots during withdrawal through tortuous vasculature, reducing dislodgement risk.

Threshold pressure triggers catheter aspiration, limiting prolonged negative pressure and reducing vascular and pump injury.

An embedded RFID tag lets a surgical stapling instrument identify cartridge type and status, helping prevent incorrect or spent cartridge use.

A deflectable locking sleeve lets one endoscopic applicator release and reload clip assemblies for multiple hemostasis deployments.

A spring and latch let the trocar extend for positioning, then retract to limit anvil-alignment space and tissue damage.

Anatomical variation and sensor errors challenge target access; multiple planned engagement locations improve instrument navigation.

Vacuum collapses the uterus to induce contraction, while a shield prevents tissue from blocking holes and an inflatable seal limits blood loss.

A drive converter adapter links rotary surgical shafts to axial end-effector drives for clamping, cutting, stapling, and articulation.

Automated image analysis identifies bone segments and calculates deformity parameters, making osteotomy and external fixator planning faster and easier to use.

See how a seating cam fully seats a replaceable cartridge during jaw closure and stabilizes staple alignment for reliable tissue stapling.

This reusable modular jig uses biocompatible metal components to reduce customization visits and support accurate mandible tumor resection.

An inclined drive surface and spring-assisted coupling help a cranial perforator disengage promptly, limiting wear and dura mater damage.

Computer-assisted navigation estimates knee bone loss and adjusts anatomical distances and cutting planes for prosthesis positioning.

A circular stapler deck uses flat and textured zones to limit insertion damage while maintaining tissue engagement for secure stapling.

Static and dynamic actuation limiters stop capstan travel while anti-derailment features preserve cable routing and prevent binding.

A base plate, measuring arm, and pivoting cut guide provide aligned, stabilized guidance for accurate, repeatable biplanar tibial osteotomies.

Variable spring force offsets end effector arm weight across inclined and vertical resections, reducing hand strain and supporting precise cuts.

Spiral struts span the aneurysm neck while an anchor engages the wall, helping contain coils and disrupt flow without dual antiplatelet therapy.

RFID tags identify surgical instruments, compatible consumables, and users so the control circuit can verify compatibility and set operating parameters.

Cam-driven jaw retention and a spring-biased shaft let operators spread, insert, remove, and reposition compression staples for bone healing.

Separating the camera head, articulating arm, and electronics module preserves stereoscopic visualization while easing surgical maneuvering.

A biasing member between the staple pusher and knife holder keeps the fired knife retracted and shielded during cartridge removal.

Mechanical stops, visual cues, and telescoping components help control implant depth and version during rasping and insertion with repeatable alignment.

Multiple glue joints complicate distal-tip assembly; a single chemical bond secures the expandable member while reducing failure points.

Bipolar grasping-surface electrodes handle localized treatment, while a non-grasping monopolar electrode expands coverage with less tissue contact.

Needle-like tips pierce and grip hard tissue before lateral edges shear it, improving resection while limiting surrounding trauma.