Surgery TRIZ Cases

Composite phosphors on a UV LED broaden the spectrum to resolve Color Rendering Index limitations and improve saturated color accuracy.

An esophageal heat transfer device circulates a cooling medium to induce systemic hypothermia in patients.

A bone rasp apparatus uses a protrusion to space material removal members from compact bone layers.

Secures sleeve to retroperitoneal fat via minimal bindings, reducing tissue damage and surgical duration.

Selective modulation of specific audio frequency components creates brain wave entrainment patterns within musical compositions.

A wearable biofluid monitoring system uses a flexible microfluidic substrate with embedded electrodes to collect and analyze sweat data.

Dual processing sections encode medical images at different quality levels for simultaneous backup and educational recording.

An inverted collapse mechanism captures thrombi by bending Nitinol elements, reducing axial force and minimizing vessel injury during extraction.

An external observation terminal detects endoscope disposition and liquid states through a light-transmitting panel, avoiding internal structural complexity.

A hinged urinary stone collection device retains captured stones in a sealed volume for laboratory analysis.

Crosslinked epoxy block copolymers form a durable mesh structure that anchors hydrophilic homopolymers, resolving coating separation under friction.

Bulging fulcrums and axial wire projections reduce outer diameter and component interference in endoscope bending sections.

A steerable guiding sheath uses a rack and pinion mechanism to actuate puller wires for precise bi-directional deflection.

Offset circumferential cuts in stainless steel hypotubes prevent kinking during navigation, reducing manufacturing costs compared to nitinol alternatives.

Nested locking member and inner seal prevent leakage while simplifying device exchange.

Segmented filter struts expand to eliminate gaps, while biofixation material seals the vessel wall to prevent emboli bypass.

Processor evaluates motion information reliability to prevent unnecessary focus adjustments during temporary motions or contrast changes.

An optical barrier between light-guiding and image-guiding regions prevents crosstalk from solid-state sources, eliminating bothersome reflections.

A toroidal implantable apparatus uses a shape memory element to deform for insertion and return to its original configuration.

A mobile pressure wave generator moves between treatment and retracted positions via a guide structure.

An endoscope image display apparatus switches spectral images within designated areas while maintaining positional coincidence with white light views.

A nested double-lumen tube with an inflatable tampon-bladder prevents aspiration pneumonia by maintaining a pressure gradient against gastric contents.

An endoscope control lever adjusts its radial distance from the fulcrum axis to modify torque output.

Resonance Raman spectroscopy classifies cancerous and benign tissues by analyzing molecular vibration intensities, replacing invasive biopsy procedures.

A replacement reader device communicates wirelessly with proprietary implant devices using a protocol translation layer.

A surgical clamp uses a deformable article and flexible band to apply adjustable clamping pressure across tissue surfaces.

Opaque markers on a reference rod verify anatomical positions to correct imaging inaccuracies caused by patient movement.

Shape memory structures enable tissue integration to resolve infection risks from transcutaneous vascular access.

A ring-shaped scattering element distributes illumination light via spatially varying coefficients to enhance optical efficiency.

Electrospinning fabricates porous membranes that transport biological factors, eliminating laser perforation steps.

An optical transmitter converts electrical signals to light, transmitting data across a free space chamber to overcome bandwidth limits in medical devices.

P4HB-polymer matrices support high tricalcium phosphate loadings, preventing brittleness and inflammatory responses in resorbable implants.

Segmenting the Albarran lever into disposable components eliminates germ transmission risks while maintaining secure mounting through optimized pivot gaps.

A bioabsorbable deformable ring dilates the pupil through uniform circumferential expansion, preventing iris damage from focal stress points.

A thermally controlled residence device reconfigures from a contracted to an expanded configuration using flexible hinges and temperature-responsive couplings.

Inorganic fullerene-like nanoparticles coat catheters to prevent encrustation, reducing replacement frequency and infection risks.

Switchable conductors generate Lorentz force within a magnetic field to propel a capsule body.

A handheld tonometer uses a biased plunger and indicator arm to display intraocular pressure on a gauge.

Spring-loaded plungers create vacuum levels within syringe barrels to collect measured fluid volumes and mix pre-loaded reagents without external power.

An auxetic porous body expands outward under tension to seal gastrointestinal perforations while enabling drainage through controlled porosity.

Drive shafts rotate threaded actuators to move connected linkages, enabling precise camera positioning inside body cavities.

Aligning drive unit and combined center of gravity eliminates trajectory deviation caused by gravitational torque during oscillation.

Automated projection guides patient and accessory placement, resolving inconsistent image quality caused by manual positioning errors.

Segmented fluid channels enable concurrent multi-directional cleaning by directing flow to specific jet openings without increasing device complexity.

A handheld electrical impedance myography system uses a transimpedance amplifier to measure tissue impedance via disposable electrodes.

Segmented channels distribute small blood volumes to separate containers, reducing patient discomfort from repeated venous punctures.

An inflatable embolic protection frame uses shape memory alloy to expand for capture.