Surgery TRIZ Cases

A transcatheter deployable mesh hammock wraps tissue in a cradle-like fashion using magnetic coupling for secure fixation.

Segmented arm members press against the intestinal wall to advance the endoscope deeper while reducing friction during insertion.

Segmenting the Albarran lever into a disposable component prevents pathogen transmission between patients while maintaining reliable locking security.

A stretchable coating member covers an endoscope operation wire to allow relative movement while maintaining liquid-tight sealing.

A monolithic ultrasonic horn merges body and nose to secure piezoelectric stacks while transmitting energy.

Helical threads convert rotation into linear expansion, resolving trial-and-error sizing challenges during spinal fusion.

A detachable endoscope coupling mechanism uses rotating shafts and elastic members to establish hooking connections between insertion and operation units.

Slit longitudinal elements in the intermediate member merge cable connections, reducing production complexity while maintaining control reliability.

An endoscope sheath uses a retroreflector to verify correct insertion and alignment, preventing imaging errors.

Fixation elements secure the flexible endoscope distal end within a channel while guide tracks direct accessory positioning to prevent tissue injury.

A processing apparatus emits partially coherent light with optimized coherence length to extract interference components from scattered signals.

A theranostic electroporator delivers biphasic pulses via ceramic glass electrodes to optimize drug delivery.

Circumferential rubbing of prefilled syringe gaskets removes production scratches, preventing liquid drug leakage through the seal.

Nested x, y, and z coils within a compact probe enable real-time 3D imaging inside blood vessels without ionizing radiation exposure.

Remote processing extracts correction parameters from historical frames, reducing operating theater noise and space requirements.

A wearable device detects fertility phases by analyzing heart rate variability alongside acceleration data.

Interlocking ridges in a flexible polymer hinge maintain mandibular offset while preventing complete closure for consistent airflow.

Fluid pressure moves a valve body forward inside a detachable connector to seal endoscope conduits, eliminating manual alignment complexity.

A radiopaque trial balloon expands within the disc space to reveal exact dimensions, preventing improper implant sizing and subsequent device migration.

Curved femoral and tibial bases attach to bone surfaces using locking screws to secure an implantable mechanical energy absorbing system.

Nested optical components enable stereoscopic and multispectral imaging inside constrained endoscope tubes.

An automated vascular anastomosis mechanism turns vessel walls outward by 90 degrees, resolving poor alignment and leakage risks in fragile tissue repair.

A light source device multiplexes LED and laser diode beams using a dichroic optical member to combine distinct wavelength bands into a unified white light output.

An ultrasonic measurement system detects physical parameters in prosthetic knee joints using propagation tuned oscillators.

An endoscope insertion assisting tool uses a diameter enlarging structure to expand its tip, allowing a protruding balloon to pass through without entanglement.

ZnO nanoparticles dispersed in a magnesium matrix control biodegradability while preventing galvanic coupling and neurotoxic effects.

Spaced guides in an endoscope channel prevent drag on the insertion tube, maintaining operability during deformation.

An endoscope apparatus applies alternating narrow-band laser light to a subject and processes the reflected signals to generate display images.

Merging illumination chamber with fluid conduit eliminates complex watertight sealing in downsized endoscopes.

Depositing metal on a sacrificial mold surface before polymerizing the substrate resolves adhesion strength versus process complexity trade-offs.

Segmented barbs and nested structures enable reliable defect closure by reducing device diameter while maintaining manufacturing simplicity.

Spatial segmentation of connector portions with shielding members reduces radiation noise transfer, enhancing EMC without increasing power supply.

Specific light wavelengths stimulate fibroblasts to regenerate collagen, strengthening the eyelid structure and enhancing meibum secretion.

A urine analysis device employs a heat-conducting plate to capture thermal energy from the urine jet.

A portable testing device uses a magnifying lens group and external light source to analyze body fluids for fertility assessment.

A medical dilator tip transitions from a stepped to smooth profile via radial expansion for safe insertion.

An ultrasonic surgical probe excises knee ligaments via high-frequency vibration.

A DC/DC converter with a comparator circuit maintains optimal lamp voltage, preventing overdischarging and extending battery life.

Electrodes detect neural presence and direction to prevent tissue compression while expanding the operative corridor.

Nested screw mechanism adjusts bending wire tension without increasing operation portion length or overall device volume.

Helical segments in a cannulated reamer shaft enable simultaneous bending and torsional force transfer for navigating tight surgical spaces.

A failure-cause detecting circuit monitors acceleration to predict pre-failure states in endoscopes.

Resilient latching elements replace complex screw or welding methods to simplify assembly while maintaining play-free axial fixation of the image transmitter.

An expandable insertion element creates a firm internal friction fit within endoscopic devices, preventing epoxy joint damage during removal.

A magnetic actuator drives an inner unit via a ball transmission mechanism, resolving the trade-off between adjustment flexibility and device complexity.

Segmenting the light path into transparent and polarized areas eliminates opaque portions, increasing image sensitivity in low-light conditions.

Multi-wavelength illumination unit provides simultaneous blue, green, red, and infrared light for endoscopic imaging.

Sub-micron ridge patterns on stents accelerate endothelial coverage, reducing late thrombosis risk.