Laser Surgery TRIZ Cases

Segmenting the housing tube into distinct stiffness zones resolves the trade-off between structural stability and steerability in ophthalmic procedures.

Femtosecond laser pulses create gradient index layers within polymeric intraocular lenses to adjust refractive power.

A femtosecond laser control system adjusts pulse energy based on local tissue scattering and absorption properties.

A phacoemulsification system applies laser energy to clear aspiration tube blockages while maintaining optimal vacuum levels.

Multi-sectional light imaging reconstructs three-dimensional eye geometry to resolve lens tilt measurement errors in laser surgery.

Measured pulse characteristics compensate for biodynamic effects, reducing residual structures and correcting high-order aberrations in refractive treatments.

A computational system predicts post-operative iris color by measuring patient anatomical features and comparing them against a reference database.

A control device manages pulsed laser shot sequences to generate overlapping cavitation bubbles for precise corneal tissue separation.

Rotating prisms or vibrating mirror membranes move the focal spot across the fiber core, eliminating inter-mode interference patterns in short surgical fibers.

Rotating mirror set module guides femtosecond laser pulses through a two-dimensional XY scanner to create precise corneal ablation patterns.

Temporally offset diffracted pulses create cumulative photo-disruption while limiting cavitation bubble expansion that corrupts incision precision.

A multi-laser eye tracking system scans light across a region of interest using sequentially activated semiconductor chips to increase dwell time.

Dynamic threshold dithering adapts grid width to local shot density, reducing ablation artefacts in low and high-density regions.

A divergence adjustment element modifies beam spread to stabilize focal position in material processing systems.

Segmented dual couplers resolve alignment precision versus ease of operation trade-off by restricting mobility before rigid coupling.

A non-confocal detection system determines laser focus position relative to a patient interface surface using intensity peaks.

Segmenting the housing sleeve into regions of varying stiffness resolves the trade-off between structural stability and steerability for ophthalmic surgery.

Dynamic fixation systems adjust target images in real time to resolve eye movement instability caused by refractive changes during cataract surgery.

An elliptical ocular suction ring shapes the liquid interface to minimize force on the patient eye surface.

Confocal scanning maps the posterior boundary layer of the cornea to guide precise keratoplastic incisions, resolving applanation-induced shape distortion.

An inclined edge cutting device removes trabecular meshwork tissue while protecting the back wall of Schlemm's canal from damage during glaucoma surgery.

Dynamic wavefront modulation compensates spherical and chromatic aberrations, enabling precise material removal with fewer optical elements.

A steerable laser probe uses a flexible housing tube and actuation mechanism to guide an optic fiber.

A two-wavelength reflectometer determines melanin concentrations in the retinal pigment epithelium and choroid.

Segmenting contact into a moving rod lens reduces biomechanical stress and intraocular pressure during ophthalmic surgery.

Opaque body absorbs laser radiation to define cutting edges, reducing energy input into the eye while maintaining precise flap geometry.

A liquid-coupled patient interface stabilizes the eye using vacuum suction for femtosecond laser procedures.

Visible alignment pattern projects onto retina for automatic multi-spot laser delivery, resolving physician fatigue from lengthy point-by-point treatments.

An imaging-guided docking system processes OCT data to separate lens shift and tilt, resolving misalignment issues during cataract surgery.

Stochastic focal point spacing variation disrupts regular grating structures, eliminating rainbow effects and diffraction phenomena in refractive eye surgery.

Integrating scanner within arm joint reduces component count and power loss while maintaining precise beam deflection.

A handheld probe delivers thermal energy to fuse retinal tissues.

A Q-switched laser selectively ablates anterior stroma melanocytes to change iris color appearance without damaging surrounding tissue.

Parallel beam emission resolves measurement speed bottlenecks to enable real-time biomechanical analysis of eye tissue.

A free-floating mechanism adjusts optical path length to maintain beam alignment with the patient's eye during movement.

Electronic control of miniaturized light source arrays replaces mechanical scanners to resolve eye movement errors during ophthalmic imaging.

Displacing the scanner system along the optical axis synchronizes with zoom changes, extending focus range without enlarging the zoom system diameter.

A flexible lens with ridges directs light into the patient's eye using an LED array on a printed circuit board.

Virtual images from optical coherence tomography overlay microscope views to identify outflow structures, bypassing total internal reflection limits.

A scanning laser system uses OCT imaging of handpiece markings to track relative positions and actuate the scanner.

Slanted cannula tips and linear cutting blades create straight incisions that seal quickly without screwing motion.

A probe laser source detects occlusions via reflection signals to disable a treatment laser before overheating occurs.

A beam delivery system adjusts light power and spot size using optical fibers and lenses for precise tissue treatment.

A micropulsed laser system delivers subthreshold photostimulation to retinal tissue using low duty cycle pulses.

Diffractive splitter splits single fiber beam into multiple spots, resolving coupling complexity in retinal photocoagulation probes.

Shifts pupil-centered wavefront data to align ablation with the visual axis, resolving misalignment errors.

Nanoparticle-coated dyes diffuse into the vitreous body and generate mechanical cavitation forces to destroy floaters without invasive surgery.

A non-contact laser imaging and coagulation apparatus enables remote surgical control via wide-angle digital image acquisition.

Adaptive correction adjusts control signals to offset mechanical lag errors, ensuring precise corneal tissue reshaping at high scan rates.