Diagnostics TRIZ Cases

A powered circular stapler uses a distance sensor to monitor transmission assembly travel and determine staple ejection status.

A hair treatment device combines blue LED light with cold air to stimulate scalp circulation.

A control unit adjusts an imaging device field of view based on detected operator head motion signals.

Segmented stents resolve capture reliability contradictions by nesting a movable proximal stent to prevent dislodgement during vessel withdrawal.

A hermetically sealed load sensing assembly protects electronic components from harsh sterilization environments.

An asymmetric torque ratchet mechanism prevents unintended rotation during bone distraction procedures, ensuring precise surgical adjustments.

An autonomous wheelchair navigates users safely while monitoring biometric health parameters through integrated sensor arrays.

A robotic tool control system projects tissue locations and sets trajectories to meet moving targets in three-dimensional space.

Segmented disposable jaws and reusable shafts lower costs while a spring-cam mechanism extends the knife blade for efficient sealing and severing.

A surgical instrument control circuit uses a timer to manage motor power flow based on jaw position.

A removable control unit measures skin tone and adjusts radiation power levels.

An optical fiber embedded in a medical instrument detects curvature changes to generate trigger signals.

A surgical instrument sliding part pivots on a perpendicular axis for single-handed cleaning.

A battery and control module uses semi-flexible contact pins to engage a surgical tool unit, enabling reliable power transfer between modular components.

A balloon-mounted photoacoustic transducer converts light energy into acoustic pressure waves to disrupt calcified lesions.

A robotic drive handle transmits manual articulation inputs to an instrument drive mechanism for precise shaft orientation.

A composite laser device emits multiple frequencies to penetrate deeper into tissues without causing significant heating.

Segmenting the cylindrical portion into a rigid shell and soft inner layer resolves strength versus adaptability trade-offs in connector cleaning.

A medical needle guide with a tracker calculates the distal tip position using processor logic and known needle length.

Segmented catheter design maintains structural integrity under high negative pressure to remove organized thrombus without fragmentation.

A processor identifies spatial markers in medical data and real-time images to superimpose anatomical features.

Segmented rigid and flexible elements allow curved drilling in intervertebral spaces while maintaining structural stability.

A surgical stapling apparatus knife drive lockout mechanism uses resilient members to control locking engagement.

Compressible sidewalls create negative pressure to draw blood, eliminating gravity siphon gradients and reducing clotting risks.

A hybrid screw combines radiolucent body segments with radiopaque tip and head components to enable clear fluoroscopic visualization.

Compressible intermediate section tensions leaflet tissue to close regurgitant gaps between implants and commissures.

A bone cutting guide uses a mechanical stop to constrain saw blade insertion depth during osteotomy procedures.

Motor windings transmit identification data through existing connection contacts, eliminating separate control lines that corrode during sterilization.

A motorized surgical stapler uses a cell selection switch to regulate DC motor power, preventing tissue damage from excessive torque.

A directional reflector assembly with a conical aperture focuses microwave energy from an electrosurgical ablation probe onto target tissue.

An asymmetric distal edge on the catheter window prevents blade contact during off-axis movement, resolving reliability issues from biased cutter positioning.

A surgical stapling instrument employs a flexible band and brake assembly to control cutting member retraction within the end effector.

A skin treatment device uses a force sensor to detect applied pressure and provide distinct feedback indications for optimal, high, low, or no contact states.

A bone perforator uses a cam and bolt pin to transmit rotation between drive shaft and drill head.

Relocating the pivot point extends the moment arm, generating high closure pressure while preventing mechanical failure.

Curved deck projections guide the sled to resolve tissue compression inconsistencies while ensuring precise staple placement.