Diagnostics TRIZ Cases

Flexible membranes enclose obstructions to prevent fragmentation and vessel trauma during extraction.

Recessed LEDs within a flexible frame protect skin from direct contact while a reflective surface directs radiation for effective treatment.

A surgical fastener dispenser integrates a marking assembly to generate external skin marks mirroring internal fastener placement.

Variable density braiding improves packing density and stability under hydrodynamic pressure.

Disinfecting sponge applicator reduces microorganism colonization and infection risk on port surfaces.

Elastic elements surround the junction between first and second connectors to provide waterproof and vibration-proof protection for interchangeable modules.

A magnetorheological fluid actuator adjusts a surgical arm position to maintain constant retraction force on patient tissue.

A transcatheter mitral valve uses a saddle-shaped Nitinol frame and bi-leaflet design for secure implantation.

A bioabsorbable bone screw incorporates iron oxide nanoparticles into a polylactic acid matrix to achieve radiographic visibility.

A rotatable handle insert locks a surgical needle to maintain precise alignment, preventing bladder perforation during retropubic midurethral sling procedures.

A grasping jaw incorporates a movement regulating portion to constrain tissue position along the axis during treatment.

A medical resector positions the drive axle eccentrically to maximize the high-frequency electrode diameter within a minimal shaft cross-section.

A coupling joint provides degrees of freedom between a forearm cuff and the tool frame.

A catheter advances a self-expanding valve prosthesis along a tether rail to the heart valve annulus, eliminating open-heart surgery risks.

Force sensors embedded in surgical robotic arms interpret pressure patterns to control robot functions directly at the instrument.

Medial lateral arms maintain joint distraction while an ancillary mount enables precise femoral cutting without patella displacement.

A septostomy device uses a shaped blade and tissue retention mechanism to cut and extract interatrial septum segments.

Sensor fusion detects table movement to coordinate robotic manipulators without direct connections, resolving integration complexity.

A surgical stapler uses a threaded rod and nut mechanism to adjust the distance between the staple cartridge and anvil.

A hybrid bone cutting method combines manual bulk removal with robotic precision shaping.

An electromagnetic sensor input device replaces mechanical controllers to reduce surgeon fatigue while maintaining precise instrument control.

Illumination features and augmented reality projections visually represent drive member position to resolve information loss in robotic-assisted surgeries.

A cryogenic ablation balloon controller regulates fluid pressure and volume to maintain continuous tissue contact.

Self-administered nasal irradiation reduces blood viscosity by disaggregating red blood cells, avoiding invasive procedures.

Offsetting the fiber optic channel from the sleeve minimizes shadowing during tissue removal, preserving sample integrity for pathology.

In situ polymerization fills irregular left atrial appendage cavities with a biocompatible matrix, preventing thrombus formation without anticoagulant therapy.

Segmenting the torque transmission unit into a disposable insert allows reuse of the main shaft and handle after torque exceedances.

A software system assigns numerical scores to athletic performance tests using standardized calculation algorithms.

Computational pivot point analysis of MRI marker data eliminates iterative scanning time while ensuring precise interventional device placement.

A segmented osseous pin uses kerfs to break at the bone entrance site, separating fixation from removal.

Movable flex ramps on the internal wall disengage under load, eliminating recalibration needs for precise surgical torque application.

A ball tip stylus with fiducials tracks bone surface points via optical cameras to define an offset-acquired surface.

A mouth appliance uses a pivoting tongue depressor to maintain an open airway during sleep.

A spline shaft and collar mechanism transmits torque for precise surgical instrument control.

A separate locking mechanism maintains the expanded plate orientation while the cam is removed, enabling larger bone graft material insertion.

A cleaning circuit circulates fluid through a treatment machine passage to sanitize surfaces without additional equipment.

Radial flow through fissures eliminates shadow zones in long flexible tubes, ensuring uniform cleaning.

Motor-driven axis bodies with piezomotors enable precise instrument advancement in compact medical devices, resolving complexity and sterilizability trade-offs.

A surgical planning system positions digital hip templates on patient anatomy to compute leg length and offset changes.

A subcutaneous positioning device guides orthopedic fasteners and secures implants via an internal attacher mechanism.

A chip assembly uses a seal member to create a fluid-tight barrier around electronic components.

A hand-held stereovision system captures intraoperative spine images to reconstruct 3D surfaces.

Magnetic forces prevent twisting and deformation of the snare loop, ensuring stable plane orientation for effective tissue engagement.

A suture retriever-sheath dilator tool with an elastic shaft expands the flexor tendon sheath to facilitate severed tendon passage.

A surgical cartridge uses distinct hot and cool zones to apply electrosurgical energy for tissue sealing.

Adjustable surgical guide controls bone alignment angles to resolve the trade-off between precise correction and surgical invasiveness.

Segmented extensions with ridges pre-compress slippery tissues against the cartridge deck, preventing movement and ensuring complete transection.