Laser Surgery TRIZ Cases

Evaluates permissible focal position and irradiation energy combinations to prevent damage to non-treatment eye areas.

A surgical apparatus integrates an OCT detection unit and depth adjusting mechanism to visualize corneal layers during lamellar keratoplasty.

A nomograph system calibrates corneal laser treatment coefficients using post-operative astigmatism measurements.

A glaucoma drainage implant uses a thermomechanically active pressure relief flap to mobilize the valve non-invasively.

Adaptive optics modify laser wavefronts to compensate for ocular aberrations during retinal photocoagulation.

Derives an effective treatment vector from an influence matrix incorporating prior eye treatments to eliminate high-order aberrations and improve visual acuity.

Real-time fluorescence monitoring of riboflavin markers stabilizes corneal structure and prevents post-LASIK ectasia.

Periodic energy delivery raises retinal temperature to activate heat shock proteins while maintaining average thermal levels below permanent damage thresholds.

Simulation and validation engines verify surgical volume, total energy, and procedure time against safety thresholds before execution.

UV femtosecond laser pulses create precise corneal flaps while minimizing damage to the lens and retina.

Nonparallel objective axes and a deflection member resolve vignetting by integrating OCT paths without large lenses.

Retrieves prior corneal treatment results to identify induced aberrations and adapts initial correction parameters, reducing newly introduced optical errors.

Real-time thermal feedback controls excimer laser pulse energy to prevent tissue damage while maintaining high repetition rates for faster treatment.

Wavelength division merges aiming and treatment beams from one diode, eliminating complex fiber optics while maintaining beam superposition precision.

Pulsed laser marks guide surgical interventions to correct refractive errors and reduce optical aberrations.

Integrated confocal detection uses reflected plasma light to measure tissue depth, eliminating separate imaging devices and reducing system complexity.

Normalized standard deviation transition monitoring estimates remaining laser pulses for automated treatment control.

Focused pulsed laser radiation creates slit-like incisions in the cornea with controlled cross-sectional contours.

Iterative Fourier transform reconstructs wavefront elevation maps, resolving Zernike polynomial inaccuracies in non-circular apertures.

Retractable primary and secondary beam monitors track laser characteristics to correct positional drift caused by mechanical arm movement.

A compact photodynamic therapy laser head uses fiber optic mode-mixing to homogenize dual-wavelength beams for precise tissue targeting.

A confocal measuring system detects existing corneal laser cuts using polarization beam splitting and optical phase delay mechanisms.

A movable beam delivery guide adjusts laser orientation relative to the patient's head axis.

A laser treatment apparatus scans light across multiple tissue spots using intermittent emission patterns.

A deployment device positions an intraocular shunt using tactile resistance feedback from a distal protrusion contacting the anterior chamber angle.

Rapidly shifting wavelength matches absorption peaks, reducing device size and power consumption while maintaining surgical precision.

Simulation models predict and compensate for induced high-order aberrations by adjusting system parameters, achieving sub-0.1 µm RMS error.

A resiliently suspended contact glass retracts upon excessive force to protect the eye during laser treatment.

Co-injecting a distinct red diode laser wavelength into the primary beam path via a beam combiner to create a co-propagating signal.

Coupling liquid mediates pressure transmission between the eye and sensor, distinguishing leaks from movement to prevent treatment interruptions.

Fluorescent indicators enable automated laser pattern analysis, eliminating manual calibration bottlenecks.

Patient interface with force transducers monitors eye contact pressure during laser surgery alignment.

A harmonic scanning path shifts optical radiation focus along a sinusoidal trajectory to create precise cuts in transparent materials.

An adaptive ophthalmic system detects fluidics cassettes to display relevant instrument ports, preventing connection errors during setup.

A computer-aided system generates 3D cutting patterns for femtosecond laser pulses, resolving beam deflection complexity and enabling precise tissue incisions.

Interchangeable curved moulds adapt to varying corneal curvatures, resolving rigidity-versus-adaptability trade-offs while stabilizing keratoconus progression.

A laser parameter system calculates spherical aberration parameters based on individual pupillometry data.

Curved arc scanning captures depth data to correct target misalignment, preventing tissue damage during ophthalmic procedures.

A biocompatible drug system uses semifluorinated alkanes to deliver antiviral medications and cell pathway inhibitors directly to inflamed tissues.

A laser target beam generates a line progression to overlay planned eye treatment spots, resolving slow sequential scanning bottlenecks in ophthalmic devices.

A laser generates fiducial markers on the eye to align toric intraocular lens implants with high precision.

Replacing mechanical drives with acoustic radiation pressure enables high-speed focus repositioning for precise three-dimensional incision guidance.

Overlapping laser access channels enable complete lenticule surface separation while preserving corneal integrity and reducing surgical complexity.

A tiltable projection optic unit shifts the laser focus to enable precise tissue machining without vertical mechanical displacement.

A predictive ophthalmic apparatus analyzes quasi-real time images to determine recommended surgical regions and procedures based on intraocular pressure.

An ophthalmic device replaces mechanical mirrors with acousto-optic modulators to eliminate inertia limits and enable MHz pulse rates.

A laser system uses a temperature-registration device to monitor eye heat during treatment.