Eye Surgery TRIZ Cases

Dynamic irrigation control stabilizes intraocular pressure during high-vacuum cataract extraction, preventing tip occlusions without ultrasound energy.

Segmenting aspiration paths into separate tubes prevents nucleus fragment clogging during intraocular surgery, maintaining reliable fluid flow.

A vitrectomy apparatus uses a pressure sensor and controller to dynamically adjust valve timing for precise cutting device operation.

Segmented boss structures enable gas purging from intraocular chambers, resolving reliability issues caused by trapped air.

Slitted irrigation ports in a phacoemulsification sleeve splay open to offset pressure drops from post-occlusion surge, stabilizing anterior chamber pressure.

An implant conduit connects the lacrimal apparatus to paranasal sinuses via a created fistula.

Directional treadle movements program ophthalmic surgery settings via a display, eliminating procedure interruptions from manual switching.

An osmotic swell plate drives autonomous drug release from a punctal plug, preventing overflow loss in the lacrimal system.

A surgical system monitors irrigation pressure and flow rate to detect occlusion stages.

A surgical robot aligns a movable arm part with a fixed cannula connection to resolve precision and flexibility trade-offs in minimally invasive procedures.

Segmented tubes with expandable sections adjust discharge rates to stabilize intraocular pressure and prevent tissue injury during insertion.

Angled subsidiary channels create turbulence to dissipate harmful pressure pulses, preventing intraocular pressure drops during particle breakthrough.

Triggered propulsion drives trocar-cannula assemblies at controlled velocities, resolving tissue trauma and wound geometry inconsistencies.

A motorized eye attachment with an oscillating tip mechanically wears down pigmented conjunctiva lesions layer by layer.

Topographical features and control structures regulate aqueous outflow, reducing invasiveness and occlusion risks in glaucoma treatment.

A microsurgery device uses a sliding suction cup to deploy a cutting element for precise lens capsule access.

An illuminated vitrectomy probe integrates an optical fiber array within its cannula lumen to deliver light directly to the surgical site.

Haptics capture and confine the lens under the anterior capsular leaflet, correcting residual refractive errors without invasive surgical procedures.

A dual-port surgical fluid reservoir system manages irrigation pressure via a dedicated air pocket, replacing slow metal tubes with rapid gas flow adjustments.

Segmented chambers with restricted apertures isolate bubbles in trap zones, maintaining accurate pressure readings during ophthalmic priming.

Segmented cannula structure maintains constant fluid flow cross-section while optimizing fiber spacing for superior illumination in eye surgery.

Mechanical vibration of the condenser lens induces mode mixing in short optical fibers, eliminating inter-mode interference patterns.

Oscillating vitrectomy probe tube reduces fluid viscosity, minimizing retinal traction forces during surgery.

Single-port hybrid gauge design merges illuminator, infusion line, and vitrectomy probe to reduce ocular tissue trauma from multiple incisions.

Segmenting drainage into intrascleral and subconjunctival pathways reduces conjunctival irritation while maintaining long-term efficacy.

Thermally sealing hydrophobic filter media between rigid cassette surfaces eliminates costly housings and gaskets while maintaining sterile air filtration.

Strobed illumination decouples probe and light frequencies, resolving visualization blur during high-speed microsurgery.

Segmented inner tube increases productivity by enabling parallel cuts during oscillation, reducing procedure time.

An auxiliary pump chamber compensates for main plunger pulsations, enabling stable viscosity-independent flow without complex dual pump systems.

Bidirectional reciprocating motion of the internal tube doubles cut rate while minimizing retinal traction forces during tissue removal.

Resilient sleeve covers rigid cannula to prevent tissue damage while maintaining structural integrity during surgery.

Diagonal slits in the ultrasonic handpiece horn convert longitudinal vibrations into torsional motion, eliminating complex electric motors and seals.

Continuous dam creates a seal for tissue retraction, reducing trauma and instrument access limits in single incision surgery.

A surgical console vacuum system adjusts pressure via in-line sensors to maintain fluidic control during phacoemulsification.

Cutting tube with fixed edge separation defines strip width, resolving precision versus complexity trade-offs in surgical extraction.

A surgical system adjusts irrigation fluid pressure using real-time sensor readings and a compensation factor to maintain stable intraocular conditions.

Distributed strain sensors determine lateral force magnitude and position along a robotic tool shaft, preventing excessive retinal pressure during microsurgery.

A segmented dexterous manipulation device articulates within a constrained workspace to enable precise surgical control.

Multiple orthogonal trackers coalesce data to maintain photoactivating light precision despite eye movement.

Low-intensity ultrasonic energy dislodges extracellular debris in the trabecular meshwork to reduce intraocular pressure.

An asymmetric punctal plug anchors in the canaliculus via a domed side to maintain high drug concentration while preventing systemic absorption.

A wire snare directs light through its cutting segment to assist clinicians in identifying the location of the cutting segment during ophthalmic surgery.

A motion-compensated surgical tool uses optical coherence tomography to maintain precise cutting depth during microsurgery.

Oblique illumination directs light onto ocular targets to generate scattered observation images for precise surgical identification.

Electric discharge machining creates microsurgical instruments from a single metal blank, eliminating grinding steps that limit size reduction.

CMOS sensor camera captures grayscale images to decode barcodes and measure fluid levels within surgical cassettes.