Surgery TRIZ Cases

A telescopic oral hygiene tool combines a toothbrush and tongue scraper that move between collapsed and extended configurations.

A distal end reflector angles illumination light to a rear observation region, enabling side viewing in tight conduit spaces.

Nests tapered channel tubes in concave grooves to reduce insertion diameter while preserving multiple treatment capabilities.

An endoscope valve unit uses an electric drive force generation section to switch between open and closed positions.

Wrapping flaps seal the sheath around the endoscope, reducing disinfection time and resource consumption.

Multispectral filter arrays transmit specific wavebands to image sensors, enabling simultaneous color and spectral capture within space-constrained endoscopes.

A surgical bur with a single cutting flute removes tissue debris through unimpeded flow paths.

Chamfered superior and inferior faces on a rotatable PLIF implant enable insertion at an oblique angle, increasing distraction between vertebral bodies.

A medical image processor displays stage-based notification indications reflecting scene recognition frequency.

A one-piece cutting tool with a serrated hemispherical tip provides enhanced process damping during machining operations.

Deployable loop elements on a retrieval snare engage complex geometries while minimizing axial reach to prevent entanglement with structural filter legs.

A cleaning device seating adjustor positions an endoscope to align its imaging element with the cleaning member for reliable surface purification.

A prosthetic hip system integrates a reamer in the acetabular socket and a polygonal cutter cap for femoral head reshaping.

Sequential balloon expansion fixes the intestinal wall and pushes the insertion part forward to reduce friction during advancement.

A biasing mechanism positions the shock wave generator at a fixed distance from the balloon wall, preventing effectiveness loss as the valve opens wider.

Offset electrical terminals and infrared sensors enable high data transmission in a small diameter connector, avoiding bulky relay optics.

Hydrated hydrogel surrounds permanent markers, creating acoustic contrast that resolves ultrasound visibility issues for accurate biopsy site localization.

A silicone light cable cap shields the illuminated tip with a movable thermal shield.

Compositional tuning of biocorrodible iron alloys accelerates corrosion rates while maintaining ductility and reducing magnetic artifacts for medical devices.

A capsule endoscope estimates position using extracorporeal antennae and wireless signals to determine movement tracks.

An opaque light shielding wall separates the illumination zone from the imaging zone to block stray light artifacts.

A scanning endoscope apparatus compares actuator signal frequencies with stored resonance values to detect operational abnormalities.

A rotating filter switches illumination between broadband and narrowband spectra to capture depth-resolved tissue images.

Stacked planar members with angled planes reduce manufacturing costs and prevent disconnection during surgical use.

A combined valve housing unifies suction and gas injection functions into a single polymer component.

Segmented struts with angled hinges expand radially outward to secure tissue contact, preventing inward bending and rotational misalignment during compression.

Sequential pulsed LED coupling aligns optical waveguides to transfer high-power-density radiation, eliminating dead times and reducing power consumption.

Extraoperative scaffolding matrix facilitates revascularization and accelerates natural healing without adding bulk to the tendon.

Driver prevents battery depletion by automatically cutting power when the light source detaches from the endoscope body.

Nanoparticle-doped endoscope windows absorb light to raise lens temperature above the dew point, preventing fog without adding mechanical bulk.

A diagnostic ultrasound system displays elastic images alongside real-time compression state information derived from applied pressure.

Endoscope apparatus adjusts image shift and distortion via conditional expressions for clear stereoscopic display.

Liquid supply section discharges fluid onto the flat lid portion to detach adherent air bubbles.

A skin mesher uses stacked mirrored blades and a crank drive to cut tissue with precision.

C-PARS detects absorption-induced changes in reflected light with a camera, eliminating ultrasound coupling agents and mechanical transducers.

Electronic sensors measure knee gaps and tensioners adjust ligament forces to resolve trade-offs between measurement precision and system complexity.

Semicircular wire guards with guide walls prevent bending operation wires from disengaging pulleys during tension maintenance.

Curved ultrasonic blades generate focused acoustic pressure to create and expand microbubbles, enabling precise tissue erosion without direct contact.

A calibration jig aligns a medical camera with an elongated strip using precision grooves, eliminating time-consuming post-assembly calibration.

Controller adjusts driving and modulation frequencies to match optical fiber resonance changes, maintaining a constant scanning locus and frame rate.

An endoscope image-capturing device uses a sealed case for the sensor and an external electro-optic conversion element.

Separate locking device with threaded adjusting means sets interjacent distances between locking surfaces to engage proximal and distal rings.

Segmentation separates the absorbent cartridge from the suction source, improving ease of operation while managing device complexity.

A lithotripter drive unit combines periodic and pulsed probe deflections to fragment calculi.

Frequency-dependent gain compensates for human body signal attenuation to restore image quality.

A tunable liquid crystal lens assembly adjusts focal points electronically without mechanical actuators.

Stacked translucent screens project layered images to resolve depth perception discrepancies and eliminate visual strangeness in enlarged displays.

Applying coating fluid to a flexible film enables precise transfer onto irregular microneedle surfaces, resolving deposition consistency challenges.

Offset image sensors in a stereo endoscope shaft resolve the trade-off between installation space and image capture resolution.