Diagnostics TRIZ Cases

Real-time fiducial marker tracking corrects osteotomy guide position, eliminating reliance on absolute robotic arm accuracy and manual surgeon experience.

A filling apparatus uses a hollow support structure to constrain flexible container expansion during drug infusion.

A wireless tissue dissector uses a blade gear to rotate the cutting tip through an angled aperture for precise extraction.

An orthotic foot brace uses adjustable struts to secure to footwear and assist natural ankle dorsiflexion during walking.

Calculating tool orientation errors across three axes identifies the optimal incision site, resolving workspace limitations caused by suboptimal placement.

Bend indicators replace complex mechanical systems with visual cues, resolving the contradiction between bending precision and device complexity.

Chirp spread spectrum modulation extends communication distance beyond Bluetooth limits while keeping device complexity low through intermediary access points.

Fiber optic shape sensing replaces optical cameras to eliminate line-of-sight requirements, enabling accurate tracking inside body cavities.

Sandwiched reflective foil shield blocks phototherapy light from premature infant chest, preventing patent ductus arteriosus dilation during jaundice treatment.

Color-changing indicators verify attachment status without adding mechanical complexity to the locking mechanism.

Segmented cutting guide with dynamic adjustment mechanism enables soft tissue balancing during arthroplasty without complex navigation systems.

A surgical guide track constrains a follower to a predefined path for precise anatomic surface preparation.

A stereotactic coordinate adjuster system provides fine positional adjustment of arc support members and slide portions in surgical frames.

Controller detects unicortical paths by comparing measured depth against average cortex thickness, preventing unintended tissue damage.

Variable scaling factors realign the input device with the end effector during roll, pitch, and yaw rotation, resolving misalignment issues.

Segmented lubricant applicator cartridges prevent tissue adhesion without contaminating welding zones.

Sensors in jaw members detect tissue location and properties, displaying indications to resolve precision versus complexity trade-offs.

A control system determines a center of rotation to maintain patient positioning within a robotic work volume.

Wedge body adjusts offset and angle to resolve anatomical variation trade-offs.

A fluid absorbing sheet uses a powder super absorbent polymer within a porous carrier layer to manage body fluids.

A hand-flushing apparatus directs cleaning liquid through microsurgical injectors using a liquid-tight sleeve and cap system.

A medical observation control device restores imaging parameters to capture consistent images for accurate surgical comparison.

A cervical ripening balloon catheter uses a variable tensioning system with a fastener and pad to apply controlled dilatative pressure.

Lockout bar blocks firing member when spent staple cartridge detected, preventing tissue damage.

A surgical instrument steering input device uses a tapered drive shaft and capstan to create self-locking friction for precise end effector control.

Pre-assembled drill guide tips eliminate intraoperative alignment delays by integrating directly into bone plate threaded holes.

Helical multi-electrode catheters replace oral medications by delivering targeted RF energy to renal nerves, reducing sympathetic activity and hypertension.

A pivotable anchor assembly secures medical devices against body walls using a filament-driven mechanism.

Segmenting the sealing function into two balloons achieves reliable hemostasis without requiring prolonged manual compression.