Surgery TRIZ Cases

Merging imaging and treatment functions eliminates device exchange, reducing procedural time while enabling real-time lesion assessment.

A pressure relief vent system automatically manages internal pressure differentials in sealed medical instruments.

A wafer-level stacked lens unit uses a metal aperture layer with cut corner regions to reduce residual stress during adhesive bonding.

A reusable cover with a fixing portion secures an endoscope to prevent unauthorized reuse during rental periods.

A sliding support member connects to an operating wire within an endoscopic basket assembly.

Segmented knee prosthesis adapters enable surgeons to adjust constraint levels intraoperatively, resolving the trade-off between range of motion and stability.

A motor-driven crank and connecting rod system automates the telescopic motion of an inner container for sperm extraction.

A movable lens barrel actuator coil generates heat to prevent fogging on the distal end lens.

A biodegradable polyether network polymer crosslinked via ester linkages enables controlled hydrolytic degradation for tissue engineering scaffolds.

A shape calculating apparatus adjusts dynamic range of light intensity and detection signals to maintain accurate curvature measurements.

A PVC-free multilayer medical tube uses a thermoplastic elastomer buffer layer to bond polyolefin layers, preventing inner layer damage during coil separation.

Radially translatable blades expand via a cable system, clearing deep tissue obstructions while maintaining minimal muscle disruption.

A universal adapter uses a deformable gasket to seal and rinse surgical instrument channels, eliminating the need for multiple specific adapters.

Slotted sleeves enable 270° articulation in a disposable endoscope, eliminating sterilization damage and pull-wire buckling.

A two-shot injection moulding process creates seamless plastic surgical instruments.

A piezoelectric transducer modulates ultrasound reflections to transmit sensor data from an implanted device without active power consumption.

pH indicator sensors detect fluid contact to verify nasogastric tube position, eliminating radiation risk from x-ray confirmation.

A sensing patch with fiducial markers constrains electromagnetic field reconstruction.

Synchronized force and myoelectric sensors differentiate bruxism from non-bruxism data, enabling accurate electrical stimulation of the digastric muscle.

A square cross-section arthroscope houses larger imaging chips while a non-conductive polymer cap shields the sensor from RF damage.

An acoustic testing system detects blockages and leaks in medical device channels before cleaning, ensuring thorough disinfection.

Segmenting the network resolves data transmission speed bottlenecks while maintaining central device control capability.

An ultrasonic surgical blade with a transverse hook geometry manages stress endurance while improving cutting speed and hemostasis efficiency.

A colposcope inserter features a curved funnel-shaped distal end and integrated imaging sensor to enable comfortable cervical visualization.

A flexible filter portion transitions between collapsed and expanded states to deploy within a body vessel.

An integrated deployment device positions a sealing plug using a biodegradable anchor, eliminating manual tamping steps to reduce procedural complexity.

Separating drive and image signals into different conductor layers of a multi-layer substrate reduces crosstalk noise in compact endoscope imaging modules.

Optimizing tungsten concentration within a platinum matrix resolves the trade-off between tensile strength and workability in medical embolic coils.

A dual image pickup endoscope integrates a side-view sensor on the bending portion to maintain continuous distal end observation during insertion.

A color-image generating portion matches exponents for distance characteristics to stabilize fluorescence and return-light images.

A medical image processing apparatus composites multiple focus-shifted images to generate a deep focus output for clinical observation.

Nested dynamic microvalves prevent non-targeted embolization by blocking reflux without restricting forward flow, reducing adverse events.

A hydrophobic adsorbent filter unit efficiently absorbs and detains cervical cells from vaginal secretions.

A distal end configuring member with a spray nozzle atomizes cleaning solution toward observation windows.

Radiopaque guidelines on a substrate indicate position along length, resolving inaccurate location determination from patient translation during CT scanning.

A closure device uses a snare loop assembly to encircle and ligate tissue via a releasable suture mechanism.