Laser Surgery TRIZ Cases

Camera system captures stereoscopic corneal images for display through a stereo microscope eyepiece during surgery.

Optical coherence tomography sensor on surgical tool measures distance from tissue in multiple directions, replacing inaccurate visual shadow evaluation.

Self-expanding drainage tube eliminates temporary sutures by regulating flow until bleb formation reduces intraocular pressure.

Dual scanning apparatuses deflect a pulsed laser beam to create a high-speed scanning region for precise eye tissue treatment.

Real-time tracking adjusts the laser focus based on eye position data, ensuring capsulotomy incision completeness despite involuntary patient movement.

Periodic light projection prevents oxygen depletion and endothelial cell damage while strengthening the cornea.

A planning device generates control data for laser-based cornea transplantation using custom cut surfaces.

A variable stage optical system uses a Z scanner to move the laser focal point along the depth axis.

Separating the eye body from the irradiation test object allows independent positioning to simulate complex rotational eye movements during calibration.

Optical breakdown ablates corneal tissue with matched incision geometries to minimize post-operative induced astigmatism from misalignment.

Homogenized donor corneal tissue maintains hydration and biocompatibility, resolving synthetic material trade-offs.

Auxiliary incision structure enables photodisruption gas escape from corneal tissue during femtosecond laser flap preparation.

A precompensator modifies the laser wavefront before entering the eye to minimize optical distortions.

A plunger with a viscoelastic soft tip dissipates spring energy to prevent sudden ejection of the intraocular lens during insertion.

Rotating polarizers attenuate anterior corneal glare, resolving low contrast ratios in laser eye surgery imaging systems.

A wavefront transformation system calculates new Zernike coefficients to account for pupil geometry changes.

Electronic shutter circuit controls medical laser output using fast switches and sensors.

Optical coherence tomography detects bubble formation by comparing interferometric datasets, preventing eye tissue damage during laser treatment.

Rounded phacoemulsification tips with micro wire ports prevent capsule rupture during aspiration of coagulated walls.

A patient-specific finite element model distributes main and inclined collagen fibers to simulate corneal tissue cuts.

A computer-controlled laser system creates precise corneal channels to introduce photosensitizers without epithelial removal.

Integrates digital imaging with laser control to resolve physician repositioning needs during ophthalmic surgery.

Laser ablation reshapes the corneal stroma to create a central zone concavity that provides near-vision add power after epithelial regeneration.

A post-occlusion chamber collapse canceling system detects occlusion breaks and activates aspiration line venting to stabilize anterior chamber pressure.

A deformable gel block conforms to the eye shape within a double-walled ring to secure the coupling interface.

Laser-induced micro-disruptions replace temporary sunscreens by providing permanent structural skin modification that eliminates repeated application needs.

A combined wavefront and topography system determines customized ablation targets for laser vision correction.

Photothermal collagen denaturing replaces manual forceps to eliminate errant tears and posterior capsule damage during cataract surgery capsulorrhexis.

A laser surgical system combines photoablation with Laser Induced Optical Breakdown to achieve precise refractive corrections.

Spectral domain optical coherence tomography image processor modifies laser scan patterns to provide real-time feedback, preventing surgical complications.

A scanning laser system uses pulsed beams to induce tissue fluorescence for real-time optical feedback during corneal epithelial removal.

A modulated laser system scans the eye to create a mapping and delivers precise treatment based on individual anatomy.

A control unit adjusts an optical lens position using corneal topography data, eliminating applanation plates and reducing intraocular pressure.

Calculation unit isolates internal refractive power distribution using corneal and whole eye measurement data.

Automated femtosecond laser systems create precise corneal pockets for intracorneal lenses, eliminating the need for external reading glasses.

An influence matrix integrates prior surgical data to correct high-order aberrations, improving refractive outcomes.

Copolymerized stabilizers prevent extractability while carbon-fluorine bonds dissipate ultraviolet energy to resist degradation.

A compact laser energy monitor integrates beam shaping and homogenizing lenses to detect light intensity accurately.

Preliminary marking resolves the contradiction between procedure execution and location identification accuracy during vision correction surgery.

Centripetal energy delivery minimizes lens capsule rupture risk while a rotating chopper blade eliminates ultrasound heat generation during cataract removal.

A steerable laser probe uses a flexible housing tube and actuation controls to guide an optic fiber for precise laser aiming.

An imaging-based laser system adjusts pulse power based on distance from the imaged eye layer to control surgical scanning.

A temperature-controlled intraocular lens delivery device uses embedded resistive heaters to maintain polymer compressibility during surgical insertion.

Recessed valve elastomer surface reduces mechanical stress during rotation, resolving torque and fabrication complexity trade-offs.

A multi-mode laser system customizes beam parameters and scanning procedures for precise ophthalmic tissue alteration.

Rotationally asymmetric patient interface expands treatment surface area by enabling non-coaxial laser beam placement beyond conventional optical axis limits.

A single aspherical mirror replaces multiple lenses to focus laser beams in a linear pattern, reducing device size and energy loss.

Pulsed laser device with adjustable beam deflector directs radiation to target volumes within the eye.

Decoupling a portion of the laser beam allows dynamic intensity adjustment, resolving the trade-off between corneal depth resolution and treatment duration.