Surgery TRIZ Cases

Slit-based elastic deformation and magnetic attraction enable secure clamping, reducing patient discomfort during swallowing.

An endoscope calibration system estimates optical parameters for scope and adapter combinations using integrated imaging and measurement parts.

A non-invasive probe measures muscle oxygenation using sculpted visible and near-infrared light fluxes to calculate myoglobin saturation levels.

Electric control rotates the blade to detach the cup, preventing excessive bone loss and minimizing damage during hip revision surgery.

Flexible inner shaft enables steerable access in constrained joint spaces, reducing blade breakage during microfracture procedures.

Digital microscope system integrated with home healthcare personal computer enables independent patient laboratory testing.

Adjusting coil pipe diameter and towing wire size matches over-tube attached rigidity to non-attached states, reducing unnatural repulsive forces.

A control device manages image sensor readout periods and light source exposure to generate display and support images.

Spring-loaded wiper wipes endoscope lens to eliminate manual cleaning interruptions.

An automated endoscope system uses image processing to align the insertion section with the papillary portion.

A machine learning system recognizes morphological features in brain wave scans to determine diagnostic probabilities.

Integrating blood and fecal data predicts treatment-seeking behavior while managing multi-system complexity.

A laser light source emits illumination to generate a beat signal from interference between tissue and probe surfaces for accurate contact detection.

Rotational cam switching presses a friction member against a contact surface to retain the endoscope bending state without continuous operator intervention.

Segmenting the sonic connector with varying diameters reduces machining difficulty and stress concentrations while maintaining resonance performance.

Amphiphilic A-B-A' polyester structure balances mechanical strength and biodegradability to prevent post-surgical adhesions.

Dynamic magnetic field control stabilizes and steers intraluminal capsules, resolving the contradiction between precise positioning and reliable affixing.

Cobalt-chromium alloy stents integrate platinum group metals to deliver high radiopacity without nickel or iron.

An electrochemical sensor detects nitric oxide concentrations in sweat via integrated fluidic circuits.

A power providing device uses a stopper to restrict the motion range of its power providing part for stable energy delivery.

A shape memory alloy closure device expands from a constrained state to seal tissue punctures.

Segmented prosthetic humeral head portions couple through a rotator cuff interval, preserving muscle integrity and avoiding subscapularis transection.

A surface-applied scattering marker calibrates microwave antenna arrays to improve imaging precision and reduce ionizing radiation exposure.

A sensor array system selects optimal element combinations to detect physiological parameters with high accuracy.

A single catheter device combines a hollow central channel with an inflatable balloon to perform angiogram and angioplasty procedures.

A surgical tensor distributes load through two pivot points to separate bones.

An endoscope illuminator adjusts light quantity ratios between emphasis and non-emphasis narrow band sources to optimize contrast.

A control device adjusts compressed gas pressure and impeller speed to maintain precise rotational parameters in medical drive systems.

A hardness adjustment device positions coil spring and wire retainers at distinct radial locations to reduce mechanical burden on internal components.

Rotatable retention surfaces conform to bone material, reducing rib fractures and patient pain during cardiothoracic surgery.

A radially expandable cage aligns foreign objects with its longitudinal axis for extraction.

An endoscope uses low coherence light interference to measure absolute distance and correct image brightness for accurate observation.

A translator tool and provisional augment system guides surgeons to establish precise screw starting points and trajectories during shoulder replacement procedures.

A medical implant X-ray marker uses a swellable coating to self-center and prevent metal-on-metal contact.

A calibration device extracts representative points to create a data table that adjusts measurement markers based on optical distortion.

Three two-axis joints connect endoscope shaft segments to achieve large angle bending in all spatial directions while maintaining image stability.

A reprocessing tool redirects cleaning fluid horizontally to align with endoscope recesses.

Magnetic detection in removable endoscope bending units eliminates electrical contact failures during washing while maintaining reliable signal transmission.

Electromagnetic-radiation combiner merges coherent and incoherent light beams to deliver high-intensity, speckle-free illumination for endoscopy.

A shock wave generator uses a spheroidal reflector to focus acoustic energy at the second focal point, targeting fibrous plaques without invasive surgery.

A cleaning device uses a distribution chamber and compressed air supply line to generate pressure surges for narrow-bore channels.

End-face electrodes with orthogonal wiring reduce probe size and improve connection reliability.

Fixing protrusions on the pedestal engage holes in the cover to prevent component scattering during storage, reducing contamination risk.

An hourglass shield uses absorbent walls to contain urine, reducing contamination in sterile sample collection.

Segmented retractors stabilize endoscopic working spaces, resolving the contradiction between tissue visualization and operative stability.

Polyamide fiber-reinforced resin local coils minimize radiation damping while avoiding electromagnetic field interference in combined PET/MRI systems.

A one-piece housing integrates rotor and bearing chambers to simplify assembly of pneumatic surgical instruments.

An ultrasonic ingestion detection system transmits signals to identify medicine intake via reflected intensity changes.

A steering control mechanism uses a rotational drive wheel to manage bending tension in endoscope wires.