Diagnostics TRIZ Cases

A drill guide with a flexible offset arm engages the acetabular surface to align bone tunnels accurately.

Adjustable spring mechanism balances medical device weight across varying loads, eliminating multiple apparatus types and reducing production costs.

A surgical fixing tool stabilizes the heart surface using suction pads and hydraulic actuators.

Housing an elastic identifier within the ultrasonic tip cavity prevents marking loss during sterilization, ensuring correct power range selection.

Rotating the annular member aligns its electrical contact to signal proper loading unit engagement, preventing improper operation during procedures.

Light sources on the staple cartridge interface with the anvil to provide visual tissue position feedback, reducing positioning errors during stapling.

A bipolar forceps uses non-conductive variable stop members to regulate jaw spacing during tissue sealing.

Segmented light pulses at 750-1500 nm heat follicles while epidermal cooling intervals prevent pain.

A joint distraction lever with an integrated force sensor measures applied torque to provide real-time feedback on distraction force.

A radiofrequency electrode creates channels through foreign material by heating it, avoiding mechanical force risks to adjacent tissues.

A movable anvil drives into a staple cartridge to form staples with adjustable pressure.

Near-infrared light targets the specific brain hemisphere identified by lateral visual field stimulation to treat psychiatric disorders.

A sterile handle enables surgeons to physically manipulate robotic end-effectors directly from the sterile field during spinal procedures.

Nesting the deformable force sensor within the sealed electrode tip prevents fluid leaks and fiber optic strain for accurate measurements.

Offset anvil spline apexes apply asymmetric force to prevent head-on crashing and ensure reliable stapler alignment.

A control console display shows identification symbols for interchangeable surgical tools.

A thrombus aspiration catheter automatically establishes fluid communication when tubing pressure reaches a target negative threshold.

Non-linear integration of contact force and power improves lesion size estimation accuracy over linear models.

Fiber Bragg Gratings embedded in flexural beams decouple torque and linear force measurements, eliminating magnetic interference with MRI image quality.

Segmenting the USB interface into a serial portable unit and a docking converter reduces device complexity while maintaining host compatibility.

Optical tracking prevents retained surgical instruments by replacing manual counting with automated computer vision.

A dual-stage firing surgical fastener applicator pilots tissue channels before rapid deployment to ensure consistent placement.

A laparoscopic tissue removal system uses a hydraulic cinch to secure an adaptive sleeve for specimen containment.

A medical spray nozzle uses a swirling gas stream to mix liquid components outside the nozzle for even application.

Segmentation and preliminary action enable cost-effective secure attachment of the window element, maintaining measurement capability during mechanical impacts.

Integrated deflecting indicator signals occlusion completion through material deflection, eliminating external blood pressure monitoring requirements.

Segmented clamp design with disposable bushing inserts resolves cleaning complexity while maintaining precise pressure control during prosthesis installation.

A radiolucent skull clamp uses a segmented ratchet arm and movable plate to enable direct slot access for maintenance.

A compact inductive force sensor unit uses two noncoaxial rods and magnets to measure axial displacement within surgical instruments.

An anatomical image rendering system uses mobile device sensors to determine orientation and dynamically adjust the display position.

A knife lockout mechanism prevents accidental cutting in RF tissue sealers by blocking blade extension until the jaws close.

Segmented frames and disposable drapes isolate lenses from contamination, resolving sterilization contradictions.

Measurement systems detect cortex penetration during multi-directional drilling, minimizing soft tissue damage and improving surgical precision.

A surgical manipulator uses stress sensors to detect operator forces and drive precise pivoting and rotation movements.

A robotic surgical tool calculates motor work to close jaws and clamps tissue.

A surgical instrument with a sliding blade and protective guard member enables precise soft tissue cutting while reducing damage to adjacent structures.

A patient-specific surgical guide constrains glenoid reaming and baseplate placement to preoperatively planned trajectories.

Composite pad with plating layer dissipates frictional heat to reduce deterioration and maintain thermal conductivity.

Nested tubular members allow independent wire winding, increasing angular displacement and rotational torque while resolving device complexity constraints.

Reciprocating blade motion limits nerve entanglement during bone resection.

Multi-electrode impedance monitoring detects pulmonary vein proximity during ablation, preventing collateral damage to surrounding cardiac tissues.

Electronic interlock circuits verify staple cartridge position and anvil alignment before enabling motor actuation in surgical cutting instruments.

Hybrid image generation merges MRI data with photographic surface details to resolve insufficient rendering accuracy in surgical planning.

Laser heat treatment creates a fragile part in the distal end tip, allowing controlled breaking to release impacted foreign material without leaving debris.

A handle unit selects motion modes to control a needle driver via haptic feedback.

A surgical simulation device aligns real instrument states with virtual counterparts via electronic sensors and a computing unit.

A surgical end effector with a locking body and drive spring enables one-handed jaw operation.