Laser Surgery TRIZ Cases

Fluid injection separates the lens capsule from the anterior hyaloid membrane, enabling laser incisions that improve intraocular lens placement accuracy.

A portable ophthalmic apparatus uses a pixelated optical sensor to capture reflected wavefronts for prescription calculation.

Segments treatment into peripheral biomechanical flattening and central volumetric ablation to preserve corneal thickness while correcting aberrations.

A femtosecond laser ionizes tissue water to generate reactive oxygen species for collagen cross-linking.

Laser Doppler vibrometry replaces bulky contact sensors to measure eye surface vibrations, resolving interference issues and improving measurement precision.

Automated parameter loading resolves manual adjustment errors and improves operational efficiency across diverse disease treatments.

A beam blocking member truncates laser scanlines near the internal focal plane to improve spot distribution uniformity and reduce redundant pulse deposition.

A probe selection method uses axial length and iris width to determine optimal dimensions for ultrasound treatment.

Liquid coupling minimizes optical aberrations while vacuum suction stabilizes the eye, reducing intraocular pressure and tissue damage risks.

Automated spot sequencing marks retinal coagulation sites to resolve operator dependency and prevent healthy tissue damage.

A virtual aperture integrated into an intraocular lens scatters optical rays across the retina to reduce stray light.

Low-pulse-energy femtosecond laser induces refractive index changes without optical breakdown, eliminating tissue destruction and haze.

Negative pressure in a sealed chamber stabilizes the eye without mechanical pressing, preventing intraocular pressure surges and optic nerve damage.

A retinal imaging apparatus uses a dual-focus light transfer device to route illumination and return signals through a wide-angle lens system.

A scanning controller overlays optical scan data onto surgical microscope images.

A laser scanner circuit transforms treatment paths to maintain high-speed scanning accuracy on tilted eye tissue.

A computer-based surgery support system interfaces with phacoemulsification devices to automate surgical data recording and centralized storage.

Asymmetric aberration patterns in customized lenses improve intermediate vision while reducing dysphotopsia and glare common in multifocal treatments.

An enhanced cutting pattern increases photodisruption point density to compensate for eye movement latency, ensuring accurate ophthalmic incisions.

Cross-linking stiffens the corneal pocket wall to prevent collapse and reduce graft rejection risks.

Segmented suction orifices prevent corneal deformation during vacuum fixation.

A microscope adjusts OCT beam diameter and shape using wavefront measurements.

A cannula with an angled spatula and optical fiber directs laser light to lift and cut retinal membranes.

Real-time temperature feedback dynamically modulates laser pulse frequency and amplitude, preventing excessive corneal heating and cell damage.

Non-linear angular deflection spaces optical breakthroughs evenly along curved corneal cuts, reducing processing time and avoiding plasma bubble interference.

Four internal reflectors direct laser pulses to separate eye quadrants, eliminating rotation and reducing procedure time.

Rotating mirrors guide UV laser beams into a hand piece module, maintaining normal incidence on the cornea despite eye movement.

A wavefront aberrometer uses a switchable calibration light source to ascertain the adjusted focal length of its variable lens.

Periodic visible light pulses synchronized with camera acquisition eliminate dazzling ocular movements, ensuring precise laser irradiation accuracy.

A femtosecond laser scans the eye to acquire reflectance images for anatomical feature detection.

OCT imaging detects corneal marks to guide laser pulses, resolving alignment precision trade-offs in cataract procedures.

In-situ polymerized gel conforms to topography, resolving flexibility versus precision trade-offs during vision correction.

Six-dimensional eye orientation tracking compensates for rotational and translational decentration during ophthalmological laser treatment.

An adapter integrates a reference structure into the beam path to enable optical detection of position for precise laser alignment.

Electromagnetic drives oscillate a deflection mirror at resonance, eliminating mechanical wear and motion artifacts in ophthalmological scans.

Automated magnetic positioning replaces manual alignment, reducing treatment time and improving accuracy in ophthalmic surgery.

Photosensitizers allow high-speed laser scanning to form precise refractive structures in hydrogel lenses, correcting post-surgical vision errors.

LED-based slit illumination reduces heat radiation and eliminates mechanical guide mechanisms, preserving patient mobility during refractive surgery.

Disposable transparent plates generate permanent discoloration zones to document femtosecond laser focus alignment without complex photodetectors.

Liquid intermediary matches corneal refractive index to eliminate beam refraction, resolving mechanical stress trade-offs during precise surgical positioning.

A nomogram-based calculation system adjusts laser ablation parameters using preoperative manifest refraction and higher-order aberrations data.

Zonal reconstruction captures high spatial frequency content without uniform grids, reducing RMS errors compared to Zernike polynomials.

A femtosecond laser docking apparatus uses a mechanical stop on the suction ring to constrain cone lowering depth.

A control device determines optimized spatial pulse distance for ophthalmological laser pulses based on tissue factors and energy levels.

Foot pedal navigation of OCT tissue layers resolves hands-free control constraints during vitreoretinal surgery.

A tilted projection optical unit displaces laser focus via scanning angle changes without vertical mechanical movement.

A laser processing adapter separates illumination and observation beam paths using a peripheral region to guide light without entering the central imaging zone.

Relocating the imaging sensor behind a folding mirror via a triangular prism reduces lateral bulk and clears the surgeon's view.

A polarization beam splitter decouples detection light from illumination light, suppressing stray light that reduces eye lens analysis accuracy.