78 results about "Intraocular lens injector" patented technology

A plunger for an IOL injector device includes a shaft with a distal tip and a compressible sleeve positioned about the shaft with the tip extending forwardly of the sleeve. In a first stage of IOL advancement through the injector device, the plunger tip engages and pushes the IOL through a first section of the injector body. In a second stage of IOL advancement, the sleeve enters the narrowing section of the injector body toward the open tip thereof with the IOL and sleeve both undergoing compression. The sleeve compresses and lengthens in a forward direction ultimately enveloping the plunger distal tip. Viscoelastic applied inside the injector accumulates between the leading edge of the compressed sleeve and the compressed IOL thereby creating hydraulic pressure which pushes the compressed IOL through the remainder of the injector body and out the open distal tip thereof.

A plunger needle (3) for an intraocular lens injector has a plunger tip (4) with a contact area for making contact with a lens (L), the contact area being arranged in a front face (40) of the plunger tip (4), which is curved cylindrically. The plunger needle (3) according to the invention, with its specially configured plunger tip (3), permits reliable guiding of the lens (L) upon injection into an eye and prevents the lens (L) becoming stuck in the injector. It is also easy to produce.

An IOL injector subassembly, comprising a lens cartridge, an IOL, and a fastener connected to the lens cartridge arranged to hold the IOL in a position disposed over at least a portion of the first lumen segment and over at least the second lumen segment. A method for facilitating loading of an IOL injector, comprising removing the fastener, and rotating the first portion relative to the second portion to fold the IOL.

An intraocular lens (IOL) assembly packaged for shipping, comprising an IOL injector component having a lumen wall, and an IOL, at least one of the lumen wall and the optic comprising a first lens retention feature for impeding progress of the lens through said lumen toward the distal end. An IOL injector for injecting an IOL, comprising at least two projections extending from said lumen wall, the projections being configured and arranged to interfere with said soft tip prior to and during engagement of said soft tip with the IOL. An intraocular lens storage system, comprising a receptacle within the container, and a tapered portion, the tapered portion and the receptacle permitting a user's fingers to extend into the container to grasp a portion of a shuttle in the receptacle and remove the shuttle form the container.

Disclosed herein is an intraocular lens injector for inserting an intraocular lens into an eye, the intraocular lens injector including: a cylindrical cylinder, into which a plunger for passing the intraocular lens to be guided into the eye is inserted; a connection block having a C-shaped longitudinal cross-section and integrally formed at the front end of the cylinder; a cartridge, which is connected to the connection block and includes first and second wing portions, which are folded with respect to each other, first and second receiving grooves formed at the connection portion of the first and second wing portions and having a semicircular longitudinal cross-section, and a truncated conical guide portion, which extends from the second receiving groove in the lateral direction and includes a guide passage having a circular cross-section corresponding to the shape of the assembled first and second receiving grooves; and an engagement member having a circular cross-section corresponding to the shape of the assembled first and second receiving grooves and maintaining the intraocular lens in a folded state.

An IOL injector kit comprising a first body portion having a first lumen disposed therethrough, a proximal end, a distal end configured to deposit an IOL into an eye, a second body portion having a second lumen disposed therethrough, a proximal end and distal end, a container comprising a wall defining a container lumen, a first open end configured to receive the proximal end of the first body portion into the container lumen, and a second open end configured to receive the distal end of the second body portion into the container lumen, and an IOL disposed inside said container.

An intraocular lens (IOL) injector for delivering an IOL into an eye of a patient includes an IOL load chamber and connected delivery tube, and a push rod for urging the IOL through the delivery tube and out of a distal tip thereof. The push rod is guided and biased against one side of the injector load chamber. The injector may include an inflatable pusher for urging the IOL through the delivery tube and out of a distal tip thereof. The inflatable pusher has a proximal end that may be open to an internal cavity of the injector, wherein a plunger movable in the injector cavity forces fluid such as air or saline into the pusher. A distal end of the pusher may be forked to capture a trailing end of the IOL, or may have a bulbous configuration to ensure the pusher does not pass the IOL.

An IOL injector comprises an injector body, a plunger and a plunger collar. The injector body has a lumen wall defining a lumen, a loading bay, a stop, and an opening adapted for delivery of an IOL into an eye. The plunger comprising a plunger body, a plunger shaft and a plunger tip. The collar comprises a hole or a channel, the plunger shaft extending therethrough. The plunger shaft is slidably, frictionally engaged with the collar. The plunger and the collar are arranged within the lumen such that an outer surface of the collar can smoothly slide within the lumen wall from a first location where the tip is proximal of an IOL disposed at the loading bay to a second location where the stop interferes with the collar. The collar has an outer dimension that is substantially equal to a dimension of the lumen.

An IOL injector (210), comprising an injector body (220) having a lumen wall (222) defining a lumen (227), a plunger (230) configured and arranged to move through the lumen, and a sleeve (240), the sleeve configured and arranged so as to contact at least a portion of the lumen wall and to slidably engage with at least a portion of the plunger.

An injector and method for injecting a dual optic AIOL into an eye wherein the AIOL is loaded into the injector in an initially loaded condition with the first and second optics in generally coaxial alignment. A lens moving element is provided and operable to move the first optic toward the proximal end of the main body whereupon the first optic becomes located proximally of the second optic. A stop may be provided to prevent the second optic from moving proximally with the first optic. Displacing the optics to a non-coaxial position reduces the cross-sectional area of the AIOL which allows the AIOL to non-destructively compress to the size of the opening of the injector tip which may be as small as about 2.8 mm or less, for example.

An IOL injector device allows for both powered and manual delivery of an IOL. The injector has a tubular housing. A plunger is longitudinally disposed within the housing and has first and second ends. The first end is disposed towards the front end of the housing. A drive system is coupled to the housing. The drive system causes longitudinal translation of the plunger along the primary axis of the housing. A normally engaged clutch system is coupled to the drive system. The normally engaged clutch system allows manual disengagement of the drive system. A knob coupled to the plunger allows for manual operation of the injector.

An intraocular lens (IOL) injector assembly comprising an injector body having a shuttle reception opening defined at least in part by a first sidewall and a second sidewall, and a shuttle comprising a first wing including a first portion of a shuttle lumen wall and a second wing including a second portion of a shuttle lumen wall. The first wing and the second wing are coupled together by a hinge. When in a closed state, the first portion of the shuttle lumen wall and the second portion of the shuttle lumen wall define at least a portion of an operative shuttle lumen. The shuttle and sidewalls are configured such that the first wing and the second wing interfere with the first sidewall and the second sidewall, respectively, as the shuttle passes through the shuttle reception opening, such that the closed state of the shuttle is attained.