Eye Surgery TRIZ Cases

S-shaped neck portions maintain uniform pressure across gripping surfaces, preventing tip-end opening during closure.

A self-expanding wire compresses the ciliary muscle to increase contraction force and accommodation amplitude.

A tissue carrier uses a live hinge joint to manipulate excised eye segments during transplantation procedures.

An injectable intraocular lens employs a self-sealing elastomeric patch to adjust optical power, resolving capsular opacification and visual disturbances.

Segmented struts in a scleral prosthesis restore accommodative power by mechanically reshaping the crystalline lens to treat presbyopia.

Pressure sensor detects fluid pressure variations to signal the optimum dissection plane during intracorneal surgery.

Replacing mechanical load cells with an electromagnetic eddy current sensor eliminates hysteresis and improves frequency response during ophthalmic surgery.

A sulcus fixation frame with anterior haptic restraint members secures intraocular devices in the eye.

Hydrodynamic water jets replace ultrasonic probes to remove cataracts without generating damaging heat in surrounding eye tissue.

A phacoemulsification hand piece uses pulsed power to drive cutting tip motion.

A modular glaucoma implant uses a fixation stent and insertable drainage tubes to create customizable aqueous humor flow paths.

A surgical instrument measures aspiration flow rate and vacuum force to identify the media type during ophthalmic procedures.

A rigid trocar guides a composite microcannula containing a light guide to illuminate the distal end for precise tissue penetration.

An integrated aspiration pump in a disposable ophthalmic cutting instrument drives lens material extraction via direct fluid coupling.

Real-time sensor feedback detects low irrigation fluid volumes to prevent corneal burns and capsular tears during ophthalmic procedures.

A surgical eye marker device featuring a rotational scale for precise angular alignment and internal weights for handling stability.

Sensors monitor aspiration line dynamics to automatically adjust vacuum pressure, preventing eye collapse during ophthalmic surgery.

Reversing mandrel extraction to the ocular side eliminates nasal manipulation risks and reduces manufacturing costs for tear duct repair.

An external magnetic field displaces an internal regulator to actively control fluid flow, preventing hypotony and scarring in glaucoma treatment.

Spheroidal distal tips allow probes to approach the retina closely, preventing traction injuries during vitreous removal.

A cannula holder uses segmented claw portions to press and secure a medical cannula during surgical procedures.

Nested elastic blades slide past one another to reduce the required corneal incision length from 3 mm to 1.5 mm.

Segmented blades cut connective tissue while an elastic component cushions the retinal surface to prevent damage during membrane removal.

Segmented chambers reduce vacuum rise time, allowing a single pump to service multiple positions and eliminating the need for a second peristaltic pump.

A surgical console estimates intraocular pressure by analyzing irrigation and aspiration fluid resistance during the priming cycle.

Deformable ribs in compliant clamping zones absorb dimensional tolerances to prevent elastomer blowout from uneven force distribution.

A stimuli-responsive hydrogel transitions from liquid to solid in the tear duct, forming a secure occluding plug.

An electrolysis valve regulates fluid flow through a drainage tube using real-time pressure feedback from implanted sensors.

Merging separate pumps into one drive reduces structural complexity while maintaining precise pressure control for medical applications.

Resistive heating of a superelastic wire loop melts the anterior capsule tissue, creating a smooth rhexis boundary that reduces radial tearing risks.

A filar ocular implant expands within Schlemm's canal to enhance fluid flow.

Plasma treatment creates hydrophilic regions on an ocular implant to promote fluid flow while preventing tissue proliferation that impedes drainage.

An implantable tube with a resistive component and securing tabs manages intraocular pressure while preventing clogging and tissue displacement.

A contact lens with asymmetric posterior zones matches individual corneal topography to improve centration and optical quality.

A clip device with a sharp-pointed shaft penetrates tubing walls to create a bypass connection between fluid lines.

Adhesive-coated polymer patch reattaches retina to choroid, preventing re-detachment from unstable seals.

A surgery system uses camera images and OCT depth scans to generate enhanced tool representations for precise visual supervision.

A slotted inner tube aligns cutting edges with minimal play, reducing manufacturing complexity.

A vacuum-driven ocular biopsy device uses a three-bevel needle to extract fluid samples efficiently.

A glaucoma pump implant harnesses iris diameter changes to actively expand trabecular meshwork holes and drive aqueous humor outflow.

Remote handle actuates fluid pressure to drive dynamic surgical tool components for precise micro-surgery.

A phacoemulsification handpiece uses piezoelectric feedback to maintain natural frequency oscillation.

A vacuum limiter with an actuator and biasing element controls aspiration pressure in surgical instruments.

An intraocular optic capture device uses a flexible ring body and fixing arms to reposition dislocated lenses within the eye.

Nested shafts retract to place an ocular implant in posterior spaces, eliminating cumbersome ejection steps.

A surgical hand piece work tip with a cone-shaped distal end and integrated fluid channels.

A dual-channel LED illuminator system combines undomed and domed LEDs with wavelength converting materials to generate broad-spectrum white light.

A phacoemulsification probe uses optical sensing to detect needle contact with the lens for automated transducer control.

A pressure-driven valve modulates aqueous humor flow rates in response to intraocular and bleb pressure differentials.