Laser Surgery TRIZ Cases

See how positioning features on flexible valves and actuation plungers ensure uniform pressure

See how asymmetric plunger geometry with positioning features ensures uniform valve pressure in

See how positioning features on flexible valves and console plungers enable uniform, symmetric

See how a pre-alignment shelf and guide rails prevent cassette misalignment and jamming in phac

See how a surgical cassette integrates tube retainers, deformable membrane sensing, and dual-mo

See how molding a gasket with seal lips onto the rear housing creates a single-unit seal for mo

See how molded seal channels and gasket lips eliminate fluid leaks in surgical cassette manifol

See how a two-piece ultrasonic welded fluid manifold with over-molded valves resolves pressure

See how diagonal variable resistance sensors detect cassette misalignment in phacoemulsificatio

See how a surgical cassette with deformable gasket, integrated valves, and dual-pump switching

See how flexible valves with positioning features and actuation plungers maintain uniform press

See how diagonal variable-resistance sensors assess cassette attitude before clamping to preven

See how positioning features align flexible valves with console plungers to ensure uniform pres

Diagonal resistance sensing verifies surgical cassette attitude before clamping, helping stabilize fluid pressure and vacuum during eye surgery.

A welded manifold with integrated sensing and a compliance chamber stabilizes phaco fluid pressure and flow during occlusion.

A pre-alignment shelf guides the surgical cassette and tubing into the console receiver to prevent misloading, jamming, and breakage.

A molded rear-housing gasket with seal lips prevents cassette leaks and stabilizes fluid pressure control during eye surgery.

An unstable resonator with a saturable absorber generates pulsed annular laser light to raise effective energy at the condensing position.

A single solid-state laser source switches between femtosecond and nanosecond pulses to cut LASIK system size, cost, and excimer drawbacks.

Integrated probe illumination lights the anterior chamber angle at the laser tip, improving trabecular meshwork visibility and treatment positioning.

Measured fiber core diameter is used to adjust excimer laser output, preserving wavelength consistency while relaxing fiber tolerances.

Wireless mobile and voice control let a body-mounted laser ophthalmoscope avoid console tethering, reduce cable exposure, and speed parameter changes.

A widened corneal lenticule edge and transition zone reduce postoperative regression and support more predictable healing in hyperopia surgery.

A body-mounted laser ophthalmoscope uses battery power and mobile voice control to free doctor movement and reduce fiber cable damage.

By adjusting laser energy to measured fiber dimensions, this case keeps intraocular radiation consistent without tight optical fiber tolerances.

A pulse-picking controller switches between synchronous and asynchronous firing timers to control ophthalmic laser pulses with less loss and complexity.

Optical edge detection triggers in-pulse sampling to measure pulsed laser power accurately despite lag between drive current and laser output.

Reflected-beam peak intensity from a TPA detector guides micrometer-level laser focal point calibration at the zero-surface for eye surgery.

Fixed chirped mirrors replace bulky pulse compressors by turning the beam and offsetting +18,000 fs² dispersion in ophthalmic femtosecond lasers.

Two-stage gain switching prevents amplifier saturation and long recovery, enabling accurate surgical laser pulse detection across a wide dynamic range.

A two-photon absorption detector tracks reflected peak intensity to calibrate laser focus at the zero-surface with micrometer-level precision.

Real-time sensing adjusts laser dosimetry to modulate aqueous outflow and normalize intraocular pressure with fewer glaucoma treatment complications.

Real-time sensing adjusts pulsed laser dosimetry to activate stem cells, regenerate hyaline cartilage, and avoid tissue overheating.

Real-time dosimetry feedback lets a laser reshape scleral porosity to regulate uveoscleral outflow and normalize intraocular pressure.

Real-time pulse energy checks let laser systems raise normal power output while reducing or blocking pulses that would exceed eye-safety limits.

Inductive coupling keeps a surgical foot controller charged during use, removing cable hazards and extending operating time.

Measured fiber core diameter is used to tune excimer laser output, keeping intraocular treatment energy consistent while relaxing fiber tolerances.

A single resonator combines Q-switching and cavity dumping to deliver high-energy sub-nanosecond pulses without complex amplifier stages.

A reference light path and photodetector array enable real-time correction of beam drift from arm movement and thermal change.

Optical feedback through the movable arm tracks beam drift and auto-corrects focus, position, power, and pulse energy for safer eye treatment.

Dual single- and two-photon detection tracks peak intensity shifts inline, enabling real-time beam quality correction during laser processing.

Inverse corneal measurements guide laser shaping of donor tissue into customized implants that smooth keratoconus protrusions and improve vision.

A one-way brake in a multistage slide lets the medical head move away from the anatomical site while blocking harmful downward force.

Simultaneous image-based calibration sets optimal pulse times for multiple laser sources to hit target micro-perforation diameters with less waste.

An embedded steel disc and electromagnet give an elastomeric diaphragm valve more consistent fluid flow control than stroke-sensitive solenoids.

Laser melting fuses an optical fiber to a ferrule, replacing adhesives and solder to preserve transmission under heat and chemical exposure.

Donor corneal tissue is laser sculpted to match refractive profile and hydration state, improving implant biocompatibility and durability.

A replaceable contact tip and treatment guide improve ciliary body laser alignment, enabling handheld glaucoma treatment with fewer side effects.

A movable scanner and reflector path follows eye motion to keep the laser beam aligned without rigid restraints, reducing surgery system complexity and cost.

Fluorescent scan imaging and camera mapping automate laser calibration, cutting manual setup time while preserving alignment accuracy.

Controllable fiber bending and rotation replace bulky light guide arms, enabling precise laser cutting and monitoring in narrow curved cavities.

Variable pulse and row spacing lowers local energy density in corneal laser cutting, reducing tissue defects while maintaining optical breakdown.

Deconvolving the target processing volume with the laser pulse profile enables smoother ablative removal with precise pulse placement and intensity.

A built-in imaging sensor measures ophthalmic laser focal spot size from back-reflected beam images, enabling real-time checks during surgery.

Polarization-based beam splitting creates parallel laser beams with low power loss, reducing optical size for precise eye scanning.

Natural donor corneal tissue is laser sculpted to match refractive and hydration profiles, improving eye integration and reducing rejection.

An override PID limits supply air pressure to keep a vacuum generator out of its non-monotonic region and maintain stable surgical vacuum control.

PMMA discoloration patterns reveal effective pulse energy, helping calibrate eye surgery cutting lasers for consistent cuts and less tissue damage.

Laser-induced deformations lock the cannula to the ferrule, preventing hot-spot detachment in ophthalmic optical probes.

Surface treatments create a thin adhesive layer on corneal implants or tissue to enable durable suture-free bonding in the ocular environment.

Circle-like laser scanning creates corneal cavitation bubbles from a mapped reference point, improving depth relief accuracy without slow z-axis motion.

A curved vitrectomy needle uses an integrated laser light guide to break down vitreous material while reducing incision stress and tearing.

A linked movable counterweight varies beam leverage to balance the laser head and deliver precise, repeatable eye load during travel.

A multistage slide and variable counterbalance mechanism limits and reduces head force during coupling to protect the anatomical site.

A combined laser-phaco platform uses shared controls, safety interlocks, and a repositionable arm to cut procedure time and improve ergonomics.

Laser polarization is matched to local corneal collagen orientation to improve refractive index change accuracy without optical breakdown.

A core-cladding fiber and beveled tip enable color-adjustable illumination, high-angle viewing, and better probe stability in ophthalmic laser surgery.

A single ocular probe combines laser ablation, illumination, and viscoelastic injection to simplify glaucoma surgery and reduce tissue damage.

RFID-based probe verification blocks counterfeit or incompatible excimer laser probes, protecting system function and patient safety.

Conventional tissue-disruption lasers waste energy as heat; tuned infrared wavelengths and nanosecond pulses improve photodisruption efficiency.