Laser Surgery TRIZ Cases

A processing module generates control data for femtosecond laser systems to limit treatment time and irradiation intensity.

A femtosecond laser pulse train uses a nanosecond-interval prepulse to initiate an avalanche process, reducing lateral damage during corneal tissue processing.

Beveled sleeve and notched design minimize radial tears by ensuring predictable resistive heating loop expansion.

Networked central computer diagnoses surgical machine faults remotely, minimizing downtime caused by inefficient on-site technician visits.

A laser treatment device detects pressure transients to control radiation parameters in real time.

Dynamic focal point adjustment via scattered light intensity feedback minimizes capsulotomy overcut while reducing energy exposure and procedure time.

Merging the lens and cone into a single unit eliminates assembly steps that compromise sterility and positioning precision.

A concave acoustic diverter disperses photodisruption shock waves to prevent refocusing, protecting retinal integrity from tissue damage.

Femtosecond laser ionizes corneal water to generate reactive oxygen species, increasing rigidity without cytotoxicity.

A reconfigurable layer and immiscible liquids adjust the meniscus curvature to correct refractive surprises after intraocular lens implantation.

External energy delivery tensions zonules to open the iridocorneal angle, reducing intraocular pressure without invasive surgery.

A beam delivery system uses an image capture device to detect lateral redirecting characteristics of a laser beam for precise positioning.

Digital micro-mirror devices scan photoactivating light to strengthen the cornea, reducing treatment time and system complexity.

Rib members project into the negative pressure cavity to lock the ophthalmological interface against rotation while maintaining uniform contact pressure.

Ultraviolet femtosecond laser radiation precisely ablates corneal tissue while preventing damage to the lens and retina.

Penetrating electrodes with rough surfaces enhance bipolar cell coupling, while non-visible light powers the device without visible spectrum interference.

Rigid support arm with horizontal hinge replaces motorized drives to enable precise manual positioning of focused light pulses for eye tissue breakdown.

Computer adjusts surgical pupil diameter using an eye model to account for corneal curvature and patient interface distortion.

An ophthalmic probe extends curved optic fibers to direct light to anterior retinal regions, reducing trauma from multiple incisions.

An angled laser beam minimizes bubble longitudinal dimensions to produce thin corneal flaps, avoiding irregular cleavage zones from isotropic focusing.

An excimer laser unit performs cornea ablation using a photoablative pattern to induce positive spherical aberration.

An optical coherence tomography surgical instrument detects tissue motion via interference patterns to drive real-time actuator corrections.

A photomedical system generates a virtual alignment pattern visible to the physician without projecting light onto the patient's eye.

A coherent fiber bundle transmits patterned laser beams from a remote source to an eye, maintaining spatial relationships without bulky scanning hardware.

An integrated ophthalmic surgical system positions a pulsed laser source and optical head unit via an adjustable gantry.

Mechanics substitution replaces vibrating cutting elements with an optical fiber scanner, eliminating retinal traction and surgical noise.

A surgical laser controller creates three-dimensional compression zones within the lens cortex to restore accommodation.

A computer-controlled laser device creates precise channels in eye tissue to facilitate photosensitizer introduction without epithelial removal.

Replacing flashlamps with VCSEL pumps stabilizes energy output and reduces thermal losses in ophthalmic lasers.

A computer-aided system generates three-dimensional cut patterns for femtosecond laser pulses in eye tissue models.

A pulsed laser creates a precise capsulorrhexis opening using a biocompatible dye to absorb energy and induce thermal tissue separation.

Segmented diffraction optical elements align multi-wavelength beams with fiber cores, resolving power non-uniformity in surgical photocoagulation.

Automated laser system creates self-sealing corneal incisions, eliminating surgeon variability and irregular wound healing.

Replacing spherical cuts with oval edges eliminates transition zones, reducing computational complexity while correcting complex refractive errors.

Rigid support arm with horizontal hinge enables manual application of ophthalmological light projector, reducing system weight and mechanical complexity.

An overflow trough manages excess wetting agent through perforations, preventing slippage caused by gravity without requiring manual assistance.

A femtosecond laser isolates a corneal lenticule through precise cut surfaces to enable refractive correction.

Control arrangement executes a predetermined test scan pattern to identify deviations between desired and actual focus positions without risking tissue damage.

A patient-specific face mask establishes precise alignment between an ophthalmic device and a patient's eye, eliminating complex automated positioning systems.

A treatment probe uses a fiber taper to reduce light divergence and a fluid channel to aggregate eye fluids for precise positioning.

A treatment protocol adjusts medication dosage and frequency based on surgical depth to enhance healing speed.

Continuous reflection monitoring detects eye movement during docking, preventing unintended surgical cuts caused by undetected loss of corneal applanation.

A retinal photostimulation device uses dynamically adjustable headrest, chin rest, and forehead rest components to accommodate various patient anatomies.

Automated image processing identifies anatomical landmarks to replace visual estimation, ensuring accurate corneal flap centration.

Phase modulation distributes energy into distinct spots, generating simultaneous cavitation bubbles to reduce cutting time.

Automated image analysis detects surgical events to adjust instrument parameters, overcoming human perception delays during phacoemulsification.

Photoablation removes stiffened lens material, allowing polymer injection that restores elasticity and refractive properties for presbyopia correction.

Segmented annular bifocal surface focuses light from different depths to capture fundus and iris images simultaneously, enabling precise laser alignment.

Bidirectional bus eye tracking apparatus compensates for patient movement to maintain alignment precision at 1000 Hz pulse rates.