Surgery TRIZ Cases

Textured inner surface reduces friction in endoscope working channel tubes, easing tool insertion through bends.

Disposable endoscope couplers use locking elements to secure instruments in place while a protective cover prevents bacterial ingress into hard-to-clean areas.

A magnetic locator detects the position and orientation of components hidden under opaque surfaces using field interaction.

A two-layer surgical implant seals spinal dura defects using a tensioned inner layer and collagen outer layer.

A wavelength interrogation apparatus uses a fiber Bragg grating and electrical circuit to generate precise start pulses.

A laser therapy device with multiple generation modes delivers targeted pulsed light.

Touch panel interface translates drag and tap inputs into precise actuator movements, eliminating manual knob fatigue during endoscopic procedures.

Integral piezoelectric ceramic force sensing separates stroke and power control, resolving low-amplitude tissue selectivity limits in neurosurgery.

A transmittance adjusting device uses an optical filter to modulate light wavelengths for enhanced blood vessel imaging.

Optimizing spectral filter characteristics in a biodiagnosis apparatus to enhance color contrast between fluorescent and non-fluorescent tissue sites.

An annuloplasty band tightens the mitral valve annulus to reduce regurgitation and improve coaptation.

Unique magnetic signatures allow wearable devices to identify sub-assemblies, resolving complexity trade-offs by activating only required functions.

A multi-segment clot retrieval device uses hinged pinching cells to engage and remove vascular obstructions.

Inverting the viewpoint to the site of interest displays approaching instruments in the field of view, resolving visibility loss when tracking tools near the target.

Angled air water nozzle sprays cleaning fluid across observation windows to remove body fluids and debris that impair optical clarity.

Segmented window components allow repair of internal cameras and illuminators without removing the main seal, resolving assembly damage risks in dense packing.

Segmented gastrostomy bolsters use dissolvable capsules and ripcords to resolve insertion trauma while providing immediate deployment confirmation.

A three-dimensional converted optical structure image reconstructs the middle layer as a reference plane to visualize duct orientations.

A medical apparatus integrates endoscope deflection and basket deployment controls into a single actuation mechanism.

A pivotable end effector rotates to position either tendon end as the leading tip for precise stripping.

Video processor detects endoscope light guide connections and switches illumination sources automatically.

Processor calculates baseline light scattering data to exclude residual liquid regions, ensuring accurate index value computation.

A computing device directs an imaging system to capture pseudo dark frames and determines noise patterns for image processing.

An in-vivo capsule monitors battery voltage and captured image frames to detect premature activation, preventing device malfunction during use.

Video capture device analyzes image data to identify recording indicators and transmit timestamps.

A sliding guide moves an accessory channel along a track, resolving fixed-length control limits.

A minimally invasive intravascular Doppler sensor measures superior vena cava blood flow velocity to provide continuous hemodynamic data.

Mechanical tensioning eliminates inflation complexity and leakage risks while maintaining reliable sealing effectiveness.

A blood flow measurement device calculates the slope of change over time in biological tissue to evaluate circulation state.

Insulated wire segments eliminate continuous conductive paths to stop MRI-induced heating while maintaining mechanical torque control.

Recording device associates temporal endoscope image data with extracted biological information to generate three-dimensional views.

An integrated suction mechanism evacuates fluids and debris from the oral cavity while maintaining mirror reflectivity, streamlining dental procedures.

A multi-piece dermatome uses a removable member and detent-based engagement to secure the main housing.

A detachable coupling system connects modular imager and display housings via ferrule components for secure attachment.

Segmented partition structural members reinforce the endoscope joint section, resolving durability trade-offs against device complexity.

A multi-mode light source generates excitation and illumination beams for combined fluorescence and reflectance imaging.

Varying radiographic densities in the imaging body produce multiple shades, resolving poor visibility on dense tissue.

A chronic disease management test analyzes oral fluid samples to detect medication nonadherence and drug-drug interactions.

Shellac coatings retard magnesium corrosion via enzymatic hydrolysis, preventing uncontrolled hydrogen release and adverse tissue reactions.

A negative lens features a recessed face that creates an air layer on the deflection prism.

Transverse channels distribute cooling liquid to the bit tip without scattering, preventing fragmentation and extending service life.

A CWUSB adapter uses a frame buffer to generate numeric association data for secure wireless communication.

Force sensor array replaces rigid fixation and imaging to track patient motion, reducing radiation exposure and discomfort during radiosurgery.

Resin molded endoscope exterior member features through holes holding operating members at predetermined angles.

Piezoelectric fiber oscillation dynamically shifts light incidence angles, resolving the laser illumination intensity versus speckle pattern contradiction.

Segmenting solid microneedles from adjacent vias resolves the mechanical stability versus fluid access trade-off in biosensor fabrication.

A self-assembling closure device deploys an endo-cameral portion to cover a hole and extra-cameral arms to secure the wall.