Eye Surgery TRIZ Cases
- Side-Exit Needle Probe for Posterior Eye Segment Access
A medical probe with a retractable side-exit needle delivers fluid through the sclera to the posterior eye segment.
- Surgical Hand-piece Bottom Fluid Tube for Phacoemulsification and Aspiration
A surgical hand-piece bottom fluid tube directs irrigation through a cone-shaped blade to emulsify cataract tissue.
- Glaucoma Drainage Implant Shunt for Controlled Fluid Release
A shunt with a pointed end penetrates the drainage implant tube wall to create a fluid flow channel.
- Lacrimal Cannula Distal Tip Design for Sealing and Insertion
Segmented cannula diameters enable easy insertion while preventing over-penetration, ensuring complete canaliculus filling without tissue damage.
- CPC Cone Optical Element for Wide-Angle Surgical Illumination
A compound parabolic concentrator cone scatters light beams from an optical fiber, eliminating glare and index switching issues in ophthalmic surgery.
- Lacrimal Duct Tube With Hydrophilic Coating For Sheath Insertion
A lacrimal duct tube uses a hydrophilic-coated portion to reduce friction during insertion into medical sheaths.
- Intraocular Lens Cartridge Injector with Protective Membrane
Nested disposable cartridge injector wraps intraocular lens in protective membrane to prevent deformation and contamination during 1.8 mm incision surgery.
- Arcuate Scaffold for Aqueous Humor Outflow in Schlemm's Canal
An arcuate scaffold bypasses collagen accumulation in the trabecular meshwork by providing a low-resistance path for aqueous humor drainage.
- Silicone Contact Lens Hydrogel Coating for Oxygen Permeability
Plasma-treated silicone lenses use crosslinked hydrophilic coatings to resolve surface hydrophobicity and ensure durable oxygen permeability.
- Ultrasonic Handpiece Spatula for Retinal Membrane Dissection
A piezoelectric ultrasonic handpiece drives a spatula to separate heavy retinal membranes via high-frequency vibration.
- Eye Therapy Light Source With Sunlight-Like Spectrum
A light source emitting 380 to 780 nm wavelengths overlaps 55% of the normalized solar spectrum for eye wellness applications.
- Vitrectomy Apparatus Multisensor Pressure Feedback Control
A vitrectomy apparatus uses multisensor pressure feedback to adjust the pressure source duty cycle for precise cutting control.
- Pressure Sensing Chamber Tubing Extension Design
A pressure sensing chamber uses a tubing extension with strategically sized ports to maintain fluid communication while retaining air bubbles in the conduit.
- Structured Illumination Probe for Ophthalmic Surgery
On-axis structured illumination eliminates off-axis distortion artifacts while maintaining high contrast for retinal visualization.
- Over-molded Elastomeric Acoustic Coupling for Surgical Cassette
An over-molded elastomeric acoustic coupling integrates directly with a rigid surgical cassette housing to transmit ultrasonic signals.
- Phacoemulsification Tip Geometry for Lateral Displacement Control
Dual bends in the transition zone decouple shaft displacement from distal twisting vibrations, resolving efficiency-complication trade-offs.
- Injection-Molded Light Sleeve for Surgical Instrument Illumination
An injection-molded light sleeve encircling a cannula eliminates bulky optical fibers, reducing incision size and manufacturing complexity.
- Thermochromic Sleeve for Surgical Instrument Tip Temperature Monitoring
A thermochromic sleeve changes color to indicate surgical instrument tip temperature.
- Asymmetric Phacoemulsification Needle for Efficient Lens Fragmentation
An asymmetric phacoemulsification needle tip creates hybrid motion to fragment lens tissue, reducing heat and device complexity.
- Lacrimal Implant Angled Geometry for Reversible Tear Blockage
Angled lacrimal implant body biases against canaliculus walls to secure retention and enable sustained localized drug release.