Diagnostics TRIZ Cases

A patient-specific cranial implant places focused ultrasound transmitters in the skull opening to avoid bone attenuation and improve brain targeting.

An expandable occlusive member is deformed by embolic filling to seal the aneurysm neck quickly, reducing recanalization and rupture risk.

A layered damper uses central-layer shear deformation to absorb surgical imaging impacts and shorten return to steady state.

A motorized linkage extends, pans, and tilts the camera to capture obstructed objects across changing positions and orientations.

An expandable braid is deployed at the aneurysm neck, then deformed by embolic fill to create a stable seal and reduce recanalization.

A cam-driven forceps handpiece uses a spring-based force limiter to protect the end effector, improve stability, and support precise tissue control.

A laser-guided target volume helps position a surgical camera for clear line of sight, improving tracking accuracy and reducing repositioning.

A linear-actuated brake linkage and secure rail clamp make surgical tables easier to adjust while maintaining stable patient positioning.

A two-part drive bar with identical snap-in struts simplifies forceps assembly, cuts manufacturing cost, and frees space for other components.

Sequential barrier stages maintain sterility while opening fluid flow for chemical decontamination of sensitive medical devices.

A nested inner and outer shaft layout adds rotational locking and force limiting to protect forceps jaws while simplifying packaging and use.

An adjustable cross nut and one-arm lock keep surgical limb positioning accurate as threads wear, while simplifying replacement and sterilization.

An adjustable cross nut and dual-locking carriage maintain precise limb positioning despite thread wear while reducing sterilization effort.

A compressible staple and compliant firing bar adapt to tissue thickness, improving staple formation while limiting tissue damage and bleeding.

Straight flute blades and a compound conical tip cut mastoid bone faster, lower heat transfer, and improve hole roundness for bone fixtures.

Arc-slot adjustment at the distal hub corrects tolerance-driven axis misalignment in a medical load balancing arm and preserves device orientation.

A spindle, threaded plate, and wedge ramp let multiple holding segments lock with one hand while maintaining strong clamping force and low friction.

A nested sleeve, arm, and sliding lock structure transmits high torque and axial load while keeping surgical tool couplings slim and flex-resistant.

An integrated jaw tongue guides the reciprocating blade into the slot, preventing blade damage while reducing separate guide components and cost.

A nested inner and outer shaft layout improves forceps stability and packaging space while enabling precise end effector rotation and force limiting.

An offset yaw-axis layout avoids gimbal lock in minimally invasive robot arms, preserving RCM and widening horizontal instrument motion.

A two-surface screw-and-pin coupling minimizes play and tolerance stack-up, giving surgical instruments repeatable navigation array alignment.

An angle-dependent disk brake increases holding torque as arm position changes, keeping inserted medical devices stable against external forces.

Converts rotary shaft motion into axial end effector movement, allowing linear surgical tools to work with powered rotary handles.

Separating the slider assembly, drive plate, and torsion spring improves sterilization coverage while supporting reuse and instrument life.

Straight flute blades and a curved tip cut mastoid bone with less heat, faster debris removal, and improved hole roundness.

A locking ring, collet, and compressible pin secure surgical tools in the handle to eliminate play and improve control during procedures.

A sliding release switch manually rotates cable capstans to open robotic surgical jaws during power loss, enabling safe tool removal.

Real-time monitoring of burr speed and torque triggers handle vibration to help remove occlusions while protecting vessel walls and stents.

A hydraulic master-slave cylinder design uses rolling diaphragms to deliver MRI-safe continuous rotation with precise position and torque control.

Variable drive speed adapts massage time and intensity to body shape, keeping patterns consistent across users and simplifying mechanics.

A cam lever and spring clip-on clamp stabilizes surgical retractor blades while allowing quick adjustment and secure locking on the frame.

A stranded stainless steel wire with TiN vacuum-arc coating boosts soft tissue cutting force, resists breakage, and improves ultrasound visibility.

A braided intrasaccular occlusive member is deformed by an embolic element to seal the aneurysm neck quickly and promote thrombus and endothelial growth.

Variable drive speed matched to user weight and spinal length keeps massage patterns consistent while adjusting strength and completion time.

Multiple low-pressure pins and adjustable accessory supports stabilize pediatric cranial fixation without skull fracture risk or extra OR assistance.

An inner shaft and drive bar pivot the forceps jaw within the outer tube diameter, reducing tissue contact during opening and closing.

A blocking linkage and force-limiting spring prevent premature actuator motion and excessive jaw force, improving forceps stability and damage resistance.

Multiple receptacles and clamp holders let treatment devices securely mount filters or gas exchangers without dedicated attachment points.

A ball-and-clamp docking arm enables precise multi-axis positioning and secure table mounting of multiple surgical instruments.

A linkage brake and single-handle release let a surgical table top lock firmly yet unlock quickly for precise patient positioning.

An eccentric-drive oscillating blade improves minimally invasive bone and tissue resection while reducing nerve damage and surgeon strain.

Low-frequency PWM adds tactile feedback as torque or speed nears limits, helping operators avoid vessel wall or stent damage.

A cam head, tapered washer, and locking pin create a durable surgical retractor clamp that resists wear and stays easy to sterilize.

A geared adapter converts a rotary handle shaft into axial end effector motion, enabling linear-driven surgical tools to work with rotary handles.

Adjustable stiffness elements tune static force compensation in compliant graspers to reduce fatigue while preserving intuitive jaw-force feedback.

A polymer sheath, metal tube, and support filament are reflowed into an elongate shaft that stays flexible while resisting axial stretching.

Axial locking and a counterweighted clutch keep robotic energy applicators securely engaged for precise drilling, sawing, and tissue work.

Switchable gear ratios and load-based control let a motorized prosthetic knee generate bending and extension power for smoother step ascent.

A pre-compressed spring in the forceps drive shaft limits jaw actuation force to prevent damage while keeping the assembly compact and stable.