Laser Surgery TRIZ Cases

A femtosecond laser optical scanner positions a pivoting mirror between the object focal plane and the focusing system to modulate beam energy distribution.

Posterior approach sectioning fragments the lens while protecting the capsular bag from anterior instrument damage.

Bacteriorhodopsin subretinal implant absorbs ambient light to stimulate bipolar and ganglion cells, eliminating external hardware requirements.

Photothermal collagen denaturing replaces mechanical tearing to prevent errant tears and preserve capsule rim integrity during capsulorrhexis.

Segmented modules and intermediary lenses resolve optical alignment precision versus device complexity.

A patient interface system uses a tissue migration bolster structure to prevent eye tissue displacement during vacuum engagement.

Two offset rotary drives enable continuous circular motion, eliminating dead time at turning points that causes dynamic position errors in linear stages.

Analytical equations define the precise corneal volume to remove using focused laser radiation, resolving heuristic cut surface imprecision.

A light source directs a beam onto the cornea to generate a reflection image for precise eye alignment.

Pressure sensors and a control unit adjust the vacuum pump power to maintain stable suction force despite atmospheric pressure fluctuations.

A pulsed laser source emits ultraviolet radiation to ablate ophthalmic implant material, reducing water absorption and unintended tissue damage.

An acousto-optical modulator segments continuous wave laser output into microsecond pulses, preventing retinal phototoxicity from power fluctuations.

Disposable contact lenses eliminate sterilization cycles while reference marks ensure precise laser alignment without complex procedures.

Variable acceleration scan patterns reduce mechanical stress and opaque bubble formation during high-speed ophthalmic laser procedures.

Cross-linking corneal implants with riboflavin and ultraviolet light prevents immune rejection while maintaining optical clarity.

A virtual irradiation mask defines the corneal treatment area for precise laser pulse delivery.

A multi-piece intraocular lens assembly couples a platform to an optic via a retention mechanism.

Automated image evaluation detects treatment deviations during laser incisions, eliminating manual reaction time delays and improving surgical safety.

A laser eye cutting device uses a separate mechanical interface unit to couple focusing optics to a suction ring for precise tissue ablation.

Optical coherence tomography guides laser energy to modify eye tissue.

A subthreshold micropulsed laser system delivers controlled photothermal energy to retinal tissue without causing visible lesions or permanent damage.

A method controls an eye surgical laser to emit pulsed pulses in a predefined pattern for corneal volume separation.

Integrated sensors detect liquid loss in suction-held laser eye surgery interfaces, preventing air aspiration and maintaining stable optical delivery.

Merges subjective refraction and objective corneal morphology data to resolve discrepancies in astigmatism correction planning.

Scheimpflug imaging combined with OCT analysis classifies local cataract density to preset phaco-treatment instruments, resolving manual assessment errors.

Scanning system estimates gas concentration and adjusts laser parameters to reduce opaque bubble layers, maintaining surgical precision.

A confocal bypass assembly diverts laser beams around attenuating elements to maintain optical path integrity during power loss events.

A thermal capsulotomy tool uses an extendable burning element to create a stable circular opening in the lens capsule.

Focused infrared laser light generates free radicals at a specific corneal depth, preventing nonspecific tissue damage from broad UV exposure.

Adjustable reference arm compensates for projector movement to preserve measurement accuracy in ophthalmic devices.

Nonlinear multi-photon absorption modifies the refractive index of corneal tissue without causing optical breakdown or triggering wound healing responses.

A time-gated image capture component excludes laser glare during pulse incidence to enable safe physician monitoring of the ophthalmic treatment area.

LIOB generates internal stromal layers to redistribute bio-mechanical forces, correcting refractive errors without removing tissue.

Femtosecond laser ablation creates uniform thickness profiles in donor corneas, resolving irregular implant shapes that compromise surgical efficacy.

Variable depth cuts prevent plasma bubbles from interfering with laser beams, ensuring precise refractive corrections without increasing tissue damage.

An ab interno device ruptures the trabecular meshwork via Schlemm canal access, avoiding conjunctival incisions and reducing surgical trauma.

Pre-calculating corneal deformation during surgery enables complex optical corrections while reducing real-time computational complexity.

Actuation compression curves the optic fiber through a shape memory sleeve, enabling precise laser aiming in ophthalmic surgery.

Disposable diffractive polymer lenses resolve misalignment and obscuration issues in wide-angle retinal viewing, ensuring continuous surgical efficiency.

Pulsed laser creates sub-surface separation and peripherally incises corneal tissue with a periodically varying edge to secure the flap.

Dual rotator assemblies adjust the laser beam angle of incidence to resolve alignment accuracy issues for patients with abnormal body shapes.

Coated mirrors selectively reflect treatment wavelengths while transmitting unwanted light components to minimize flash-back in ophthalmic laser systems.

A feedback-driven fixation light controller automatically adjusts the light position based on imaging inputs to resolve eye misalignment during docking.

A beam delivery system uses adaptive optics to adjust the laser wavefront and maintain focal spot accuracy.

Gravitational counterforce offsets lens weight, preventing tissue stress while maintaining optical axis stability.

Cusp port interface fractures lens material while vacuum removes tissue fragments, reducing corneal damage risks.

A scanning photomedicine device projects a treatment pattern onto target tissue.

A laser system uses interchangeable contact lenses to adapt radiation focus and spot diameter for precise eye tissue incisions.

A hollow needle device uses a solid separator to create tissue separation for fluid injection.

Adapting laser irradiation parameters based on local corneal angles and radiation geometry to maintain consistent pulse efficiency across treatment positions.