Laser Surgery TRIZ Cases
- Laser Energy Adjustment for Corneal Optical Density
A control computer adjusts laser energy based on optical density measurements to direct beams through the eye.
- Tissue Holding Frame with Adhesive and Heating Element
A tissue holding frame secures Descemet's membrane using biological adhesive and a heating element, minimizing endothelial cell damage during separation.
- Custom Toric Intraocular Lens Design for Surgically-Induced Astigmatism
A custom toric intraocular lens design compensates for surgically-induced astigmatism using vector analysis of corneal topography.
- Intra Cortical Lens Implant for Presbyopia Correction
A viscoelastic intra cortical lens implant restores accommodative amplitude by reducing natural lens stiffness.
- Illuminated Microsurgical Instrument with Angled Optical Fiber
An illuminated microsurgical instrument embeds an optical fiber within a sheath to deliver light directly to the surgical site.
- Ophthalmic Treatment Scanning Module for Retinal Outline Guidance
A scanning module delivers treatment and aiming beams to create a visible retinal outline pattern.
- Flexible Endoscope with Magnetic Tracking for Orbital Surgery
A flexible endoscope integrates magnetic tracking and image-guided navigation to position surgical instruments within the orbital cavity.
- Ophthalmic Laser Apparatus Dual Beam Waveguide Integration
Separate excimer and fibre lasers use an optical waveguide to deliver optimized beams, eliminating frequency conversion instability.
- Multi-fiber Laser Probe Radial Fiber Rotation
Radial fiber rotation via a distal pass-through element separates beams, improving photocoagulation speed without increasing device complexity.
- Intralenticular Lens Fixation via Laser-Ablated Fastening Region
Laser ablation generates a precise accommodation space and single axial fastening region in the eye lens, eliminating haptic-induced positioning inaccuracies.
- OCT Calibration Adjustment Device for Laser Surgical Systems
Pre-positioned calibration targets on disposable probes resolve trade-offs between probe sterility and measurement precision.
- Vitreous Surgical Probe Flat Distal Tip via Laser Sealing
Laser irradiation seals the distal tip of a vitreous surgical probe, eliminating burrs and holes that complicate membrane removal.
- Movable Deflection Mirror for Eye-Tracking Laser Surgery
A tiltable deflection mirror steers an interferometric measuring beam to follow eye movements during refractive laser surgery.
- Corneal Treatment Apparatus with Sensor Feedback
Sensor feedback controls UV activation based on corneal proximity and riboflavin saturation, preventing tissue damage from over-exposure.
- Ophthalmic Laser Precompensator Aberration Control
A femtosecond laser precompensator corrects spherical aberrations in ophthalmic surgical beams.
- Corneal Laser Ablation Sequencing for High-Order Aberrations
Segmenting corneal ablation into primary and secondary phases resolves undercorrection of complex high-order aberrations.
- Spring Arm for Laser Treatment Apparatus
A spring arm mechanism provides dynamic support force through an elastic part connected to a mast and link.
- Ophthalmologic Device Asymmetric Pulse Processing
Elliptical pulse processing areas in femtosecond laser devices reduce energy wastage and tissue bridges during eye surgery.
- Corneal Ablation Laser Energy Measurement Feedback Control
Laser system measures pulse energy after beam shaping to dynamically control source output and maintain precise ablation delivery.
- Sub-surface Photoalteration via Laser Pulse Energy Optimization
Optimized pulsed laser parameters create precise sub-surface incisions while minimizing surface rupture in sensitive materials.
- Laser Pulse Sequences for Retinal Tissue Sclerosis
Segmented laser pulses with feedback control sclerose diseased retinal tissue while preventing surrounding photoreceptor necrosis from thermal damage.
- Ophthalmic Laser Aiming Beam Spot Segmentation
A controller divides aiming beam spots into groups and switches their positions to alternate visibility.
- Ophthalmic Interface Centration and Moisture Control
Magnifying optics in a removable ocular device image the corneal lens region, resolving field of view limits and moisture accumulation on the contact surface.
- LOI Fiducial Registration with Camera in Laser Surgery
Real-time luminescence detection confirms laser incision placement accuracy, preventing errors from calibration drift.
- Steerable Laser Probe with Auto-Fixing Flexible Housing
A steerable laser probe uses an auto-fixing actuation control to gradually curve a flexible housing tube and optic fiber for precise intraocular targeting.
- Varying Laser Numerical Aperture for Cataract Lens Fragmentation
A laser system varies numerical aperture across lens zones to fragment cataracts, reducing retinal exposure and iris shadowing during surgery.
- Ophthalmic Stimulator Pupil Constriction via Iris Heating
An ophthalmic stimulator delivers patterned irradiation to heat the iris dilator muscle and constrict the pupil.
- Handheld Ophthalmological Light Projector with Movable Focal Point
Mechanical movement of the focal point enables a compact optical system with higher numerical aperture, resolving limitations in large stationary lens designs.
- Ophthalmological Laser Control Data via Zernike Offset Correction
Corrects higher order aberrations by mapping wavefront measurements to the corneal vertex, resolving alignment discrepancies.
- Femtosecond Laser Refractive Index Modification in Ocular Tissue
High-repetition femtosecond laser pulses modify refractive index in ocular tissue, avoiding ablation damage while maintaining tissue integrity.
- Multi-Fiber Ophthalmic Probe with Optical Switching
A multi-fiber ophthalmic probe uses optical switching to deliver sequential laser shots from a fixed position.
- Intraocular Lens Position Prediction Using Crystalline Lens Thickness
A prediction method uses pre-operative crystalline lens thickness to determine intraocular lens position.