Diagnostics TRIZ Cases

An expandable braid plus embolic fill seals the aneurysm neck quickly, lowering recanalization risk without long-term antiplatelet therapy.

A docking member and shiftable lock replace slow threaded clamping, enabling secure medical device mounting and quick repositioning on poles.

A grooved clamp with elastic force enables hygienic suction tube attachment and secure detachment without accidental release during shaver rotation.

Torque-triggered speed reduction and reversal help an atherectomy burr avoid sticking while limiting vessel wall and stent damage.

A threaded connecting element replaces welded nozzle joints in cleaning-device pipes, cutting distortion, cost, and thread-change effort.

A linear actuator and linkage control caster braking for smoother surgical table positioning while maintaining stable patient support.

A nested guide plug inside the forceps shaft limits inner-tube travel, prevents damage, and saves packaging space without added control complexity.

A jaw pivot pin doubles as a blade stop to prevent over-travel and blade damage while reducing forceps part count and cost.

A track-mounted display uses translation, tilt, and combined head-eye sensing to keep views aligned without interrupting teleoperation tasks.

A chamfered jaw flange paired with force-limiting actuation improves forceps closure stability while helping prevent tissue and device damage.

A built-in release switch mechanically rotates cable capstans so a robotic surgical end effector can be opened during power loss.

A two-part interlock and solenoid-synchronized release allows table-top removal only in a defined orientation or load condition.

Two snap-fit drive bar struts simplify forceps assembly, preserve jaw actuation, and free space for other shaft components.

A compliant E-beam firing bar adapts anvil-cartridge spacing to tissue thickness, improving staple formation while limiting tissue damage.

A threaded T-bar and washer assembly lets one knob clamp a side rail and multiple angled objects at once, cutting clamp complexity and cost.

A tornado joint and modular support linkage keep the remote center fixed while improving surgical arm setup, spacing, and collision avoidance.

An axially movable, rotation-locked nut simplifies brush roller drum segment assembly while keeping a rigid shoulder connection.

Thermal shrink-fitting joins a medical device shaft and attachment with a gap-free interference fit that improves sterility, strength, and assembly repeatability.

A cable-tensioned link structure lets a surgical stabilizer arm change length, follow contoured paths, and then lock into rigid tissue support.

A cycloid gear boosts firing torque while a flexible shaft and introducer help position the stapling assembly through tortuous body cavities.

An eccentric rotary-to-oscillating drive enables precise bone resection in tight surgical spaces while reducing nerve entanglement and surgeon fatigue.

A biasing mechanism keeps a multi-axis surgical articulation joint aligned until needed, improving control accuracy and reducing chatter.

Control-driven positioning and orientation keep a microscope locked on a target point after user repositioning, avoiding slow manual realignment.

A disposable gear reduction assembly mechanically lowers medical tool speed while avoiding sterilization reuse risks and contamination.

A removable shaft and clamp assembly separates reusable and discardable parts, cutting tissue with low thermal spread while reducing waste and cost.

Straight flute blades improve bone shaving transport, cut drilling heat, and produce rounder mastoid holes for prosthetic fixture placement.

Opposing locking members and a bias element secure a surgical attachment in both axial directions, reducing slippage, deflection, and cutting instability.

A diverter valve and sensors route surgical smoke through different filter paths to improve particulate capture and air quality in procedures.

A pivoting jaw, translatable pin, and removable spacers let one clamp fit rails of different thickness and height with less play.

Preload springs and a low-backlash coupler eliminate installation motion and maintain precise torque transmission in robotic surgical instruments.

A counterweighted clutch and axial connector improve secure energy applicator engagement, rotational precision, and fast tool exchange in robotic surgery.

A single spindle, threaded plate, and wedge ramp clamp multiple holding segments with one-handed operation and high positioning freedom.

Coaxial gear-driven shafts create precise longitudinal engagement, improving reliable mechanical and electrical connection across loading units.

A locking ring, deformable collet, and compressible pin secure the surgical tool shaft to eliminate handle play and improve control.

A nested forceps subassembly cuts packaging space and simplifies assembly while a spring-and-clip mechanism limits jaw force to prevent damage.

A removable shaft and inner tube assembly separates reusable and disposable parts, improving sterilization, waste handling, and usage-limit control.

A Belleville washer assembly keeps a disposable torque limiter consistent at 50-1300 RPM for repeated surgical tool actuations.

Intentional cam pin misalignment shifts contact to specific slot edges, reducing jaw wobble while preserving smooth forceps actuation.

A spring-biased adapter seals unused flushing outlets, maintains perfusion pressure, and reduces contamination and media waste in hollow instrument disinfection.

Oblique shaft end surfaces enable self-aligned surgical instrument coupling, cutting calibration time while ensuring secure torque transfer.

Removing the torsion spring, drive plate, and slider assembly improves sterilization access while allowing selective reuse of functional instrument parts.

A two-part interlock and software-synchronized release prevent improper patient support detachment under load or upside-down orientation.

Rigidly mounting the localizing camera to the head clamp reduces navigation error, removes dynamic reference frames, and preserves sterility.

A single actuator drives sliding jaws and wedges to secure medical accessories on rails of different heights and thicknesses.

Preloaded disks and springs eliminate backlash in a sterile surgical drive interface, improving torque transfer and tip position predictability.

A cable-driven transmission improves dexterity, stiffness, and precision in multi-DOF surgical manipulators without the bulk of conventional robots.

Adjusting the support-to-pivot axis distance lets one cantilever joint cover broad medical device payloads with a compact, rigid structure.

Grooved driver faces and matching pin markings help users quickly identify the correct twist-drivable pin driver and avoid misuse.

By adding low-frequency PWM to the motor drive, the system creates tactile alerts as torque or speed nears limits to help avoid vessel or stent damage.