Diagnostics TRIZ Cases

Universal adjustable aiming guide reduces radiation exposure and operative time during tibial nailing procedures.

Embedded electrodes with an isolation layer measure tissue impedance directly, eliminating external coatings that complicate dental surgical procedures.

A torque limiting device disengages when excessive rotational force is applied to a surgical handle, protecting the tool mechanism from damage.

Mechanical counter rotates with drive movement to display remaining staples, locking the device after depletion to prevent unnecessary costs.

Porous applicator tips prevent fluid pooling and clogging by maintaining low viscosity during delivery while enabling external mixing of reactive components.

A motor-driven tissue-removing catheter uses pulse width modulation to regulate rotational speed based on real-time current detection.

Virtual joints in a unified controller reduce device complexity while maintaining precise manipulation across varying surgical tools.

Tubular shield element with differential friction surfaces reduces vessel wall abrasion and dissection risk during mechanical thrombectomy.

Integrating the spring into the grip eliminates complex metal mechanisms, reducing cleaning difficulty and corrosion risks in surgical tools.

Curved mandibular bone plate attaches to the inferior mandible surface, reducing soft tissue irritation and enhancing fatigue life.

Visual indicators on robotic arm supports convey state and identity information, resolving safety risks from unclear component status.

Rectangular cavities with asymmetric slopes on a tourniquet strap improve slip-resistance while allowing directional stretching.

Segmented clip arms maintain a fixed bend angle to position rubber rings near hemorrhoid roots, reducing recurrence rates.

Dynamic foot pedal assignment resolves the contradiction between system versatility and device complexity by allowing one pedal to control multiple handles.

Adding a distal reference electrode creates a distributed measurement framework that resolves impedance sensitivity limits in large expandable assemblies.

Integrated magazine feeds clips serially to prevent misloading errors while anti-backup mechanism prevents partial closure.

A surgical caddy pre-positions bone plate screws to maintain alignment, eliminating manual screw location errors and reducing placement time.

A crutch foot device uses a compression spring and capacitive sensor to measure leg load.

Hydraulic actuators and optic sensors guide medical devices without electrical components, eliminating electromagnetic interference risks in MRI environments.

Integrates a microwave amplifier unit within the handle assembly to eliminate remote power supplies and cable interference during tissue ablation.

A surgical navigation system detects instrument identification markers to automatically register position-tracking arrays.

Graded doping in RESURF layers and a buried drain extension minimizes photolithographic steps and area for extended drain transistors.

Segmented point contacts in surgical instrument coupling areas minimize surface area while maintaining stable mechanical guiding.

Near-shape blanks form customized jigs that use surface-matching devices to resolve alignment accuracy versus equipment complexity.

Hall effect and capacitive sensors detect user presence to reduce false positive haptic inputs, ensuring surgical tool precision.

A spring-loaded needle probe guide positions electrodes via elastic deformation to deliver controlled electrical pulses.

Curved slots in the anvil guide the cutting member along a bent path, resolving tissue escape issues near curved anatomical surfaces.

A flexible shaft with an expandable cutting head navigates curved bone paths while reducing intramedullary pressure during cortical bone reaming.

Overmold seals protect mating electrical connectors from fluid ingress during surgical stapling instrument loading.

Relocating measurement indicia to the staple cartridge deck eliminates vessel obscuration, enabling surgeons to read tissue dimensions directly during stapling.

A motion assisting device evaluates limb posture variations to adjust actuator forces for balanced movement.

A modular multi-robotic system combines open-chain and closed-chain subsystems to position patients and medical tools.

Segmenting electronics into disposable components protects circuit boards from sterilization damage, extending device lifespan.

Inclined roll joints in the positioner orient the arm base obliquely, resolving operator oppression while maintaining manipulator cooperation.

An integrated transponder module with an electromagnetic screen resolves contamination risks and signal range limits in medical instruments.

A keyless chuck assembly integrates a freewheel brake and reverse-threaded pressure spindle to enable secure one-handed tool clamping.

Deformation sensors on a surgical impactor measure temporal variation to calculate bone-implant contact, preventing bone damage from excessive impacts.

A knife lockout system prevents blade translation until jaw members approximate, resolving the contradiction between surgical efficiency and device complexity.

Axially sliding hammer guides force transference to eliminate unpredictable torques during hip replacement surgery.

Segmented anchor member with angular contact members reduces skull trauma by distributing anchoring force through a single burr hole.

Capacitive and magnetic sensors detect loading unit position to ensure reliable component coupling without complex mechanical interlocks.

An elastic locking mechanism enables reversible ligation, allowing the clip to unlock without forceful separation that damages surrounding tissue.

A sutureless vascular connector uses shape memory materials to expand and lock graft vessels into main arteries.

An overload mechanism with a biasing element interrupts force transmission from the trigger to the clip forming assembly.