Eye Surgery TRIZ Cases

Hollow microneedles with customizable geometry adapt to specific drug viscosities and skin regions through precise manufacturing parameter adjustments.

A three-dimensional prediction network interpolates anterior chamber depth and eye length to determine intraocular lens positioning.

Integrated ocular fluid management system uses diaphragm position control to maintain balanced aspiration and infusion flows.

Dual-tube sensors measure anterior chamber and atmospheric pressure differentials to regulate valve flow against fibrosis resistance.

Adjustable protrusion length and dynamic bending enable wide opening movement in thin pipes, resolving rigidity constraints.

Handheld delivery device ejects rod implants via plunger and buttons, reducing eye trauma during intravitreal placement.

A surgical device uses a triggered propulsion system to drive a trocar-cannula assembly axially through eye tissue.

Learning auto phaco energy control detects aspiration flow deviations to reduce post-occlusion surge risk and eye trauma.

A delivery device uses a metered guidewire to position an ocular implant precisely within the eye.

An integrated anti-vacuum surge module regulates aspiration flow using a solenoid valve and real-time sensor feedback.

Segmented illumination uses angled, high-intensity light to make transparent vitreous visible without overexposing the retina.

A cyclic aperture flow regulator system modulates fluid aperture cross-sectional area to stabilize aspiration flow rates during surgical procedures.

Automated motorized drive applies controlled engagement forces through a mechanical linkage to align cassettes without manual strain.

A dual frequency phacoemulsification circuit switches between low and high frequencies to drive a piezoelectric transducer.

Switchable passive components in the output filter maintain consistent gain and reject third harmonic distortion during multi-frequency phacoemulsification.

A shunt device with a stent basket diverts aqueous humor from the anterior chamber to the retrobulbar space.

Concentration gradient polymeric devices prevent initial burst drug release and reduce systemic side effects through sustained diffusion.

Dynamic pressure feedback compensates for system fluctuations during high pulse rates, maintaining reliable vitrector operation beyond compressor limits.

A slider with slanted and edge abutting portions regulates rear supporting portion motion to prevent tangling and reoperation.

Automated actuators position the refraction measurement apparatus relative to the eye for precise optical data capture.

A dual pump aspiration system manages fluid flow using integrated vacuum and flow rate control loops for stable surgical performance.

A cannula hub embeds phosphorescent material to emit color-coded light for device identification.

A malleable hollow clip provides intra-luminal flow for aqueous humor drainage through ophthalmic tissue attachment.

Electrical impedance measurement differentiates vitreous, balanced salt solution, and lens fragments during aspiration to improve procedural accuracy.

Curved septum geometry reduces insertion force and prevents leakage under high intraocular pressure in ophthalmic surgery.

An off-axis needle tip design creates eccentric motion during torsional vibration to fragment lens material.

Dynamic gas pressure regulation compensates for aspiration-induced fluctuations to maintain stable intraocular pressure during ophthalmic surgery.

A dual lumen work tip transmits ultrasonic energy while managing fluid flow in a single instrument.

A pre-loaded corneal tissue delivery device enables precise, atraumatic implantation of donor tissue through small incisions.

An injection needle with an offset three-facet point distributes penetration force across tissue.

Flexible polyimide and latex device navigates the subretinal space via a trans-scleral approach.

A control apparatus generates lower and higher frequency signals to produce a beat vibration for eye lens emulsification.

Nested sleeves channel cooling fluid through outer peak and valley structures to prevent thermal injury to ocular tissue during phacoemulsification.

Replacing mechanical floats with capacitance detection eliminates interference from condensation, debris, or foam in ocular surgery cassettes.

A sliding reinforcing slider absorbs steering forces applied to a surgical hand tool primary tube.

An adjustable fiber guides light through a cannula for intraocular use or uncouples for chandelier mode.

A robotic intraocular manipulator uses stacked disc elements with curved surfaces to achieve precise bending motion.

A transparent outer casing enables direct edge-on visualization of the trephine blade and inner tube base without parallax errors.

A curved phacoemulsification probe tip directs aspiration along a second axis while an angled fluid sleeve injects irrigation fluid into the surgical region.

An adjustable fiber optic illumination device with a loop portion that changes size and position to provide diffuse, side illumination.

A tapered section in a phacoemulsification handpiece tailors ultrasonic standing wave nodes along the hollow titanium needle.

A pressure regulator system uses fluid impedance calibration to stabilize infusion flow during ophthalmic surgery.

Segmenting chambers with a selective barrier prevents gas molecule diffusion, maintaining molecular balance and reducing energy consumption.

Refraction elements on manifold bases detect cassette types to prevent surgical console errors.

A tensioned flexible plasma electrode enables precise tissue incision by reducing treatment time and minimizing thermal artifacts compared to laser ablation.

Corrugated membrane actuators resolve glaucoma drainage limitations by dynamically adjusting channel size in response to pressure differentials.

A corneal microshunt diverts aqueous humor to the eye surface using a flow-restricting member.

An ocular punctum plug retains treatment mediums by blocking nasolacrimal drainage to reduce systemic side effects.