Diagnostics TRIZ Cases

An inner shaft and drive bar pivot the moving jaw while keeping actuation parts within the outer tube to reduce tissue contact.

A locking ring, collet, and compressible pin secure the surgical tool in the handle to eliminate wobble and improve precision.

A disposable planetary gear assembly lowers surgical tool speed for safer control while avoiding sterilization burden and infection risk.

A locking ring, collet, and compressible pin secure the surgical tool in the handle to eliminate play and improve procedural precision.

A ball-joint clamp with elastic pressurization adjusts holding force, letting medical devices be fixed securely and repositioned in angle as needed.

Laser photodisruption opens the pia mater to a target depth, reducing insertion force and limiting damage to nearby vessels and brain tissue.

Snap-fitted dovetail brake liners replace glued parts, simplifying field service while maintaining stable friction braking in medical support arms.

A two-part interlock uses load and orientation checks to prevent patient support collapse during disconnection from the base.

An elastic member and fixing controller vary ball-joint holding force, allowing secure medical instrument positioning with easy angle adjustment.

Force sensing on the lock actuator reveals the actual joint lock state, helping medical holding arms avoid unsafe or incorrect operation.

A fail-safe pin-locking mechanism forces lower-pin removal before upper-pin release to prevent patient support collapse and disconnection.

A ramped friction lock lets an articulated arm reposition quickly in 3D and hold tools in place without collapse or repeated knob adjustments.

A reflowed polymer sheath, metallic tube, and support filament combine to keep delivery shafts flexible while resisting axial stretching.

Photoelectric and ionization sensing adjusts suction and airflow in real time to evacuate surgical smoke while limiting tissue risk.

A rotatable arm and single-plane pulley path let one counterbalance handle left- or right-side load centers with consistent force and lower friction.

An expandable occlusive member plus embolic filling seals the aneurysm neck quickly, reducing recanalization without antiplatelet therapy.

A cam head, tapered washer, and locking pin create a surgical retractor clamp that stays secure through repeated sterilization and use.

A cable-driven transmission boosts dexterity, stiffness, and payload in compact surgical manipulators while preserving tactile feedback.

Rolling elements replace friction and elastomer parts to keep surgical screwdriver torque limiting accurate after sterilization.

A single fastener locks rails, posts, and other parts in multiple directions at once, cutting clamp complexity, operation time, and sterilization burden.

An angled through-bore lets the nut slide quickly for long-distance adjustment, then tilt back into secure thread engagement with spring-assisted locking.

A collet and axial connector keep the energy applicator locked, replaceable, and calibrated for precise robotic surgery.

A heat-set dual-layer occlusive mesh seals wide-neck aneurysms quickly, promotes rapid thrombus formation, and avoids antiplatelet therapy.

A two-part interlock and software-synced release sequence prevents patient support collapse during base disconnection under load.

Multiple low-pressure cranial pins and an adjustable rail support stable pediatric head fixation and surgical accessories without high-pin injury risk.

Overmolded sleeve-to-handpiece coupling improves forceps attachment stability, simplifies assembly, and reduces damage risk.

A housing rib restrains trigger arm splay in forceps, improving actuation stability while simplifying packaging and preventing damage.

A pivoting anchor and radiopaque markers help left atrial appendage occluders fit varied anatomies and verify placement during imaging.

Detachable cable and connector interfaces let laser modules and handpieces be swapped independently for easier upgrades and maintenance.

A nested drive body, shaft, clip, and spring transfer rotary and linear inputs in forceps while saving space and improving stability.

Precomputed target volumes and laser alignment guide surgical camera setup to keep trackers visible and avoid workflow-disrupting repositioning.

An expandable occlusive member is reshaped by embolic filling to seal the aneurysm neck faster and avoid recanalization and antiplatelet dependence.

A cam head, tapered washer, and locking pin secure retractor rods while reducing clamp wear and maintaining reliable repeated use.

A fluidically connected solder chamber meters solder into the insert recess, improving joint strength while reducing defects, corrosion risk, and rework.

IMU-based pose sensing replaces vision and manual registration to speed surgical platform positioning and improve accuracy under lighting and occlusion.

A dual-layer mesh occluder blocks aneurysm blood flow at deployment, speeding durable occlusion without relying on antiplatelet therapy.

A releasable connector and concentric protective sheath let robotic surgical tools keep secure shaft support while simplifying applicator replacement.

Dual one-way clutches and a movable lock let a support arm stay compact, easy to maneuver, and lock accurately at any rotation.

Movable clamps on an arcuate rail let surgeons reposition retractors and guidance frames during surgery without contaminating the field.

A force-limiting spring in the handpiece coupling protects the drive shaft while keeping forceps actuation compact, stable, and easier to manufacture.

A cam-driven forceps actuation assembly cuts packaging space while limiting transmitted force to protect the end effector and improve control.

Motorized positioning and orienting let a microscope return to a target point after repositioning, cutting manual realignment time in surgery.

A polymer sheath, metallic tube, and support filament are reflow-joined to keep an elongate shaft flexible while resisting axial stretching.

A single-handle unlock and linked caster brake improve surgical table positioning precision, stability, and manual release during power failure.

A clamping rail extension and mediating member add vertical motion and pitch rotation for precise 3D surgical instrument positioning.

A ring gear, planet gears, and lead screws replace routed cables to cut friction, simplify pre-tensioning, and improve force transmission reliability.

Opposing locking members and a bias element secure a surgical attachment in both axial directions, reducing slippage and bending-induced deflection.

A rotatable pulley arm lets one counterbalance mechanism handle left- or right-side load centers of gravity with consistent gravity compensation.

A nested drive shaft assembly actuates forceps jaws and blade in less space while limiting over-travel to improve stability and prevent damage.

A replaceable cutting plate in the reload assembly prevents deformation after firing and maintains effective tissue transection.

Electromagnetic field distortion lets the navigation system automatically identify and track surgical instruments for precise minimally invasive access.

An elastic retraction mechanism keeps the spinal MIS surgery hole open without manual control, reducing instrument interference and tissue damage.

A rotating helical screw creates negative pressure to draw plaque into internal blades, improving small-vessel debulking with less vessel wall damage.

A single-use hysteroscopic resection tool integrates peristaltic pumping, suction, and tissue trapping to avoid sterilization burden and infection risk.

Body pressure sensing adjusts ceramic-member height across body parts to maintain a consistent massage intensity.

Fiducial markers and a calibration fixture align a virtual target with the implant marker, reducing depth and registration errors in AR-guided placement.

An anvil with concentric staple-forming arrays and motorized drive supports aligned cutting, clamping, and sealing for reliable anastomosis.

Folding grooves turn a 5 mm surgical instrument into a spreader, preserving trocar access while distributing organ support and reducing tension.

Electrical conductivity sensing detects the bone-to-tissue transition and triggers a brake to arrest drill advancement near sensitive anatomy.

A spring-biased pawl keeps stapler jaws closed until the firing rod retracts, preventing inadvertent cutting-element exposure.

A guide links the metaphyseal resection surface to the diaphyseal canal, aligning the humeral stem and tray while limiting cortical impingement.

Threaded fasteners let a surgical jig compress or distract the joint for controlled bone alignment in hallux valgus correction.

Replaceable cartridges combine RF tissue sealing and cutting in one instrument, while pressure feedback controls clamping during surgery.

Patient-specific apertures set local cutting depths from CT-based anatomy, helping control bone cuts and protect adjacent tissue.