Eye Surgery TRIZ Cases

Anterior and posterior supports engage capsular bag flaps, reducing damage and enhancing rotation stability.

Segmented lateral openings distribute suction across multiple positions, preventing pressure fluctuations while increasing cutting throughput.

A phacoemulsification probe uses phase detection to adjust drive frequency for resonant vibration.

A tapered proximal optical fiber couples misaligned light into the core through geometric funneling.

Pre-filled syringes eliminate manual mixing errors and greenhouse gas release by providing accurate tamponade ratios.

A holding tank uses light propagation changes to detect fluid levels independently of the liquid air interface.

A bioresorbable balloon implant delivers medicinal agents via a self-deploying valve and porous wall structure.

A silicone rubber reservoir absorbs fluid volume changes to stabilize intraocular pressure during phacoemulsification.

A sensing system measures electrical impedance at the ultrasonic handpiece tip to classify contacting tissue types in real time.

A fluid-filled cavity transmits radial forces to bend a flexible membrane within an accommodating intraocular lens.

A pressurized infusion reservoir uses a tertiary peristaltic pump to deliver stable fluid flow during ophthalmic surgery.

A microporous elastomeric membrane filters aqueous humor through controlled pore size while maintaining structural flexibility.

A surgical method positions an ophthalmological implant between the sclera and ciliary body using the limbus as a visible reference point.

Segmented manufacturing of microsurgical instrument tips using laser ablation and EDM on flat stock resolves precision versus productivity trade-offs.

A bioresorbable drainage device with a closed cross-sectional profile maintains intraocular tension.

A pivoting shearing device with biasing members separates proliferative membranes from retinal tissue using controlled scissoring motion.

Dynamic pulse shaping resolves heat and cavitation contradictions while maintaining emulsification efficiency.

A slidable stop on an optical fiber adjusts the insertion length, enabling precise light direction within the eye without fixed constraints.

Segmenting the rigid metal connector from a disposable plastic tip reduces surgical risks while lowering production costs.

Surgical instrument uses wavelength-selective material to remain opaque in visible light while transmitting near-infrared OCT imaging signals.

A heat exchange system positions a load conduit against an exhaust conduit to transfer thermal energy between pneumatic fluid paths.

A cataract surgery microscopy system projects an adjustable ring pattern onto the capsule sac to guide incision alignment.

An integrated priming vessel consolidates multiple surgical tubes into a single reservoir, preventing fluid overflow during setup.

A haptic surgical simulator provides visual and tactile feedback for manual small incision cataract surgery training.

Analyzes multiple ultrasound positions to resolve measurement precision limits caused by image tilt and depth of focus.

An operation microscope detects installed front lenses via micro-switches to set illumination parameters automatically.

An expandable sheath transitions an ocular implant from a compact delivery state to an expanded functional configuration within the eye.

A hollow needle incorporates a rotating active element to enhance ultrasonic wave emission and mechanical fragmentation of lens debris.

Segmenting the pump into a handheld module prevents posterior capsule rupture and endothelial cell loss by stabilizing chamber pressure.

Audible clicks and tactile barriers confirm insertion milestones, reducing surgery time and trauma.

Control circuit detects fault conditions via counter-electromotive force to ensure consistent injection force and displacement.

A lower portion space accommodates the rear side of an intraocular lens during slider advancement, preventing damage from manufacturing clearances.

A pressurized infusion system uses peristaltic pumps to deliver stable fluid flow during eye surgery.

A position sensor system detects membrane deflection in an IOP control device, regulating fluid flow to prevent over-pressurization and vision loss.

Parallel fluid pumps with elastic partitions maintain constant intraocular pressure during occlusions.

A glaucoma shunt uses a color-changing indicator to confirm proper placement during implantation.

Shuttle assembly retains intraocular lens in sterile vial, reducing manual handling damage during precise insertion.

An asymmetric needle tip positioned off-axis generates eccentric motion during torsional oscillation.

A hollow shaft guides a snare mechanism to encircle and fragment cataractous lenses within the eye.

A microfluidic pump uses electrocapillary actuation to drive fluid flow through a channel.

Segmenting the treadle reduces moving mass and power consumption for wireless microsurgical operation.

A single pump unit with sensors detects occlusion events and modulates irrigation flow to prevent post-occlusion surges that damage the lens capsule.

A fluid communication device regulates intraocular pressure by establishing a controlled drainage pathway between the anterior chamber and Schlemm's canal.

An intraocular shunt incorporates angiogenic material to stimulate new blood vessel growth, creating fluid pathways that bypass blocked trabecular networks.

A rotating locking connector assembly secures surgical gas supply lines to ophthalmic consoles through intentional rotation.

A motor-driven gear assembly alternates shaft rotation to remove sinus tissue while reducing device complexity and operator fatigue.

Switching between high-ultrasonic and ultrasonic frequencies reduces corneal incision heating and improves lens tissue followability.

A phacoemulsification machine assesses fluid line priming status before dispensing to deliver the commanded volume accurately.

Dual rotatable plate arrays achieve homogeneous low-level illumination by resolving mechanical shutter limitations.