Laser Surgery TRIZ Cases

Ultrashort visible and infrared laser pulses create precise glaucoma drainage channels with less scarring and collateral tissue damage.

Mechanical fixation between transparent plates enables precise layered laser cutting of one cornea into multiple implants with preserved quality and shelf life.

A multistage slide and brake mechanism stops head motion under resistive force, helping protect the eye during manual positioning.

Tissue expansion and contraction are measured during laser heating to adjust later pulses for precise temperature control and reduced collateral damage.

Real-time intraocular imaging helps surgeons locate Schlemm's canal and place glaucoma implants more accurately with fewer complications.

Selective disruption of superficial corneal epithelium improves cross-linking agent uptake while limiting tissue damage and treatment time.

A single transparent beam sampler creates three sampled beams for redundant energy monitoring and focal depth measurement with lower loss and simpler alignment.

Combining OCT with direct, retroillumination, or Scheimpflug images improves cataract, floater, and corneal opacity classification for planning.

Angled coupling of transformed B-scan images gives surgeons real-time OCT cross views with minimal delay for more precise eye surgery.

A short suction path and manual bellows improve ocular aspiration response, reduce clogging, and simplify lens extraction equipment.

Test patterns of optical breakdowns reveal threshold energy drift, helping ophthalmic lasers maintain safe and consistent incision performance.

Interference-light feedback corrects astigmatism before and during OCT raster scans, preserving homogeneous eye imaging at higher scan speeds.

ERG amplitude and kinetics guide retinal heating in real time, helping maintain therapeutic temperature while preventing overtreatment.

Stored user profiles automatically adjust illumination, headrest height, and component positions to improve comfort and reduce setup time.

By removing liquid before ablation and reapplying it afterward, this case improves laser energy transfer while protecting the eye surface.

A dual-pump aspiration handpiece improves suction response and cuts irrigation fluid volume during lens extraction, reducing corneal cell damage.

Variable-power laser shot patterns treat lens opacifications and improve accommodative amplitude while avoiding invasive cataract surgery.

Reflected eye-pattern imaging and virtual markers guide precise contact glass centering, reducing manual uncertainty and enabling logged verification.

Overlapping control-element tests with parameter ascertaining cuts laser system test time and reduces patient waiting while docked.

A shared SLO-OCT optical path and objective lens improve retinal laser targeting accuracy while enabling real-time imaging and treatment.

Integrated fundus imaging, gaze fixation, and OCT-guided light modulation enable precise retinal therapy despite eye movement.

A z-direction sensor and controller calculate target-to-retina distance and radiant exposure to prevent retinal overexposure during laser treatment.

Controlled spherical aberration in the central pupil extends focus depth for presbyopia while limiting glare and starburst at night.

An SLM splits and focuses therapeutic laser light onto multiple eye targets at once, cutting treatment time and easing alignment.

A sealed, temperature-controlled optical housing keeps treatment laser beam parameters stable despite environmental changes during eye treatment.

Coordinated red and near-infrared light doses stimulate ocular photoacceptors to restore cell function without invasive treatment side effects.

Precise cleavage of the trabecular meshwork improves aqueous outflow and lowers intraocular pressure while preserving delicate eye support structures.

Focused femtosecond laser pulses modify UV absorber bonds inside an IOL to customize diopter power and correct aberrations after implantation.

A shallow non-corrective laser surface pass after corneal reshaping reduces haze and recurrent erosions while preserving refractive correction.

Precise femtosecond laser cuts create interlocking corneal structures that ease implant insertion and prevent drop into the anterior chamber.

A rotatable multi-aperture beam shaper switches between laser pulses to control beam size, shape, and intensity while maintaining alignment.

Real-time OCT guidance derives tool trajectories for robotic lens extraction, improving removal completeness while avoiding posterior capsule rupture.

An optical pattern, camera, and computer detect corneal misalignment in real time to guide perpendicular eye positioning during ophthalmic procedures.

Real-time imaging generates a tissue modification score to adjust laser scan pattern, beam power, and focal spot during eye treatment.

A single ultrasonic handpiece combines phacoemulsification with irrigation and aspiration to cut instrument changes, cost, and infection risk.

OCT-guided non-contact laser targeting treats the trabecular meshwork accurately while reducing analgesia needs, thermal damage, and side effects.

Real-time imaging scores eye tissue modification during laser treatment, enabling precise feedback control without interrupting the procedure.

Real-time OCT compares pre-op and in-treatment eye data to align laser vision correction accurately despite eye movement and setup variability.

A secondary surgical field camera adds real-time viewing of the eye exterior and nearby tools without interrupting the primary fundus view.

Dual-camera disparity tracking estimates eye instrument depth in real time, improving ophthalmic guidance precision with lower processing load.

Real-time OCT imaging through a surgical fiber probe helps place glaucoma incisions at trabecular meshwork and Schlemm's canal boundaries.

A photochemical kinetic model guides corneal cross-linking depth and light dosing to achieve targeted biomechanical change with less damage.

Real-time OCT matched with pre-op eye structure data corrects cyclorotation and centering errors in laser vision correction.

Multi-angle eye imaging extracts iris state to control therapeutic or detection light, improving alignment and reducing tissue damage.

A phase modulator pre-compensates multifocal IOL phase shift so laser vitreolysis stays focused on floaters instead of dispersing toward the retina.

Image-guided laser trabeculoplasty detects vessel-related eye changes and reroutes treatment to reduce bleeding and adverse effects.

Camera-based corneal position comparison detects eye misalignment before docking, improving ophthalmic laser targeting accuracy.

Laser scan paths are modified to keep iris UV exposure below a set limit while preserving precise corneal incisions.

Flexible contact members form a stable reduced-pressure seal on varied eye shapes, improving laser access while maintaining comfort.

Real-time retinal exposure tracking adjusts surgical illumination and warnings to limit phototoxicity without excessive false alarms.