Abstract: The invention relates to a method and a device for treatment of glaucoma, wherein by means of an elongated catheter provided with a distal portion and a proximal portion, a tube-shaped implant is inserted and released in a Schlemm's canal with two opposite openings exposed by an incision and a folded up scleral flap. In a first phase, the distal portion inserted into the Schlemm's canal through the first opening, while a fluid or gaseous medium is injected at the same time, and exited through the second opening, which is, in circumferential direction, oppositely located. The implant detachably disposed at the protruding distal portion and, in a second phase, inserted, in circumferential direction, into the expanded Schlemm's canal up to the first opening. Subsequently, the distal portion, which protrudes from the first opening, is detached from the implant and, together with the catheter, removed.

Abstract: The invention refers to a tube configured as an implant for insertion at least at one location into the exposed Schlemm's canal of an eye and which, for example, has been mechanically dilated. The elongated tube insertable into the Schlemm's canal includes a plurality openings that are arranged at the tube in axial direction distanced from each other by ring parts and that are in communication with the trabecular tissue the interior space of the tube and the aqueous humor veins of the episcleral vein system and further includes openings oriented in axial direction at a circular arc shaped segment corresponding to the cross section profile of the tube. To realize the natural trabecular aqueous humor drainage, the tube are inserted into the Schlemm's canal that either the openings in the segment are in communication with the aqueous humor veins or that segment with the openings are associated with the trabecular tissue.

Abstract: The invention relates to a method and a device for treatment of glaucoma, wherein by means of an elongated catheter provided with a distal portion and a proximal portion, a tube-shaped implant is inserted and released in a Schlemm's canal with two opposite openings exposed by an incision and a folded up scleral flap. In a first phase, the distal portion inserted into the Schlemm's canal through the first opening, while a fluid or gaseous medium is injected at the same time, and exited through the second opening, which is, in circumferential direction, oppositely located. The implant detachably disposed at the protruding distal portion and, in a second phase, inserted, in circumferential direction, into the expanded Schlemm's canal up to the first opening. Subsequently, the distal portion, which protrudes from the first opening, is detached from the implant and, together with the catheter, removed.

Abstract: The invention relates to a method and a device for treatment of glaucoma, wherein by means of an elongated catheter provided with a distal portion and a proximal portion, a tube-shaped implant is inserted and released in a Schlemm's canal with two opposite openings exposed by an incision and a folded up scleral flap. In a first phase, the distal portion inserted into the Schlemm's canal through the first opening, while a fluid or gaseous medium is injected at the same time, and exited through the second opening, which is, in circumferential direction, oppositely located. The implant detachably disposed at the protruding distal portion and, in a second phase, inserted, in circumferential direction, into the expanded Schlemm's canal up to the first opening. Subsequently, the distal portion, which protrudes from the first opening, is detached from the implant and, together with the catheter, removed.

Abstract: A method and device are proposed for carrying out ophthalmologic analysis especially for the pathological evaluation of the Schlemm's canal that has been exposed through a scleral flap and into which an micro catheter is inserted that also includes a medium line by which medium is brought into the lumen of the Schlemm's canal for dilating the lumen and a light guide for illumination such that analog images of the dilated lumen, the inner wall of the trabecular tissue and the veins of the aqueous humor can be taken by a camera and transmitted to an outside monitor for visual evaluation.

Abstract: The invention refers to a tube configured as an implant for insertion at least at one location into the exposed Schlemm's canal of an eye and which, for example, has been mechanically dilated. The elongated tube insertable into the Schlemm's canal includes a plurality openings that are arranged at the tube in axial direction distanced from each other by ring parts and that are in communication with the trabecular tissue the interior space of the tube and the aqueous humor veins of the episcleral vein system and further includes openings oriented in axial direction at a circular arc shaped segment corresponding to the cross section profile of the tube. To realize the natural trabecular aqueous humor drainage, the tube are inserted into the Schlemm's canal that either the openings in the segment are in communication with the aqueous humor veins or that segment with the openings are associated with the trabecular tissue.

Abstract: A method and device are proposed for carrying out ophthalmologic analyses especially for the pathological evaluation of the Schlemm's canal that has been exposed through a scleral flap and into which an micro catheter is inserted that also includes a medium line by means of which medium is brought into the lumen of the Schlemm's canal for dilating the lumen and a light guide for illumination such that analog images of the dilated lumen, the inner wall of the trabecular tissue and the veins of the aqueous humor can be taken by a camera and transmitted to an outside monitor for visual evaluation.

Abstract: A method for improving the draining of aqueous humor in an eye of a living being and a device for widening the Schlemm's canal is described wherein a first incision is made in a lamellar section of the sclera to form a first scleral flap which is then folded upwards in the direction of the cornea, thereby creating a recess in the sclera.

Abstract: A method for improving the draining of aqueous humor in an eye of a living being and a device for widening the Schlemm's canal is described wherein a first incision is made in a lamellar section of the sclera to form a first scleral flap which is then folded upwards in the direction of the cornea, thereby creating a recess in the sclera.

Abstract: A device for use in a surgical procedure on an eye of a living being, includes a retraction member, destined for insertion into the anterior chamber of the eye. The retraction member has a hook-shaped engagement part for retracting the iris, whereby at least the engagement part of the retraction member is made of a deformable material with shape memory. Thus, the retraction member is insertable into the anterior chamber with the engagement part exhibiting a substantially straight configuration, and subsequently the engagement part is able to recover its original hook-shaped configuration as a consequence of its material characteristics.

Abstract: A method for improving a drainage of aqueous humor in an eye of a living being and a device for maintaining the drainage of aqueous humor are described, wherein a first incision is made in a lamellar section of the sclera to form a first scleral flap which is then folded upwards in the direction of the cornea, thereby creating a recess in the sclera. A second scleral flap is formed by incising a second lamellar section in the area of the recess and lifted upwardly in the direction of the first sclera flap, thereby creating a second recess and exposing a portion of the Schlemm's canal for permitting injection of a highly viscous medium. At least one support element is implanted in the lumen of the Schlemm's canal on each of both sides of the second recess and, optionally, in the exposed portion of the Schlemm's canal, whereby each of the support elements is made of a material that is decomposable by the tissue of the Schlemm's canal and/or aqueous humor.

Abstract: Method for improving aqueous humor drainage in an eye with a Schlemm's canal in which eye the aqueous humor secreted by the ciliary body is drained through the subsequent outflow pathways and to a device to maintain aqueous humor drainage. A medium injected in the form of a hydrophilic liquid or a biocompatible gaseous medium or a mixture of the hydrophilic liquid and the gaseous medium into Schlemm's canal, which is microsurgically exposed at one or more locations, locally expands Schlemm's canal by the increased pressure. With a support element subsequently implanted in the lumen of Schlemm's canal, the inner walls of the canal are supported and permanently held in an expanded position, whereby unimpeded drainage of the aqueous humor from Schlemm's canal through the subsequent outflow pathways is ensured.

Abstract: An instrument for use in ophthalmic surgery, includes an elongated body portion having one end formed with an engagement member for insertion through an incision into the anterior chamber of the eye for retracting the iris. A fixation member is slidably secured to the body portion for positioning and fixing the body portion in place. The body portion is made of a flexible polymeric material having a hue which contrasts a hue of the iris, at least along an area starting from the engagement member to at least half the length of the body portion.

Abstract: An apparatus for focusing a light flux, includes a light source, and a light-conducting system which guides light radiating from the light source along a first light-conducting passageway oriented in a direction of the path of light, and along a second light-conducting passageway extending at an angle to the first light-conducting passageway. The light conducting system includes a first optical lens which is positioned at an entry side into the first light-conducting passageway, a deflector which is positioned at an exit side of the first light-conducting passageway for deflecting visible light into the second light-conducting passageway, and an optical assembly which is disposed in the second light-conducting passageway. The optical assembly is formed by an dimming disk, adjustable with respect to the second light-conducting passageway, for selective control of light intensity of the visible radiation, and a second optical lens for focusing the deflected radiation.

Abstract: An ophthalmic surgical device for pulverizing the lens nucleus in the eye and for removing particles of the macerated lens nucleus from the eye of a living being, includes a housing which supports a mounting that receives at its forward end a guide tube. Set within the guide tube is a tubular probe which has one end carrying a cutting element and another end operatively connected to a motor for rotating the tubular probe together with the cutting element and/or moving the tubular probe together with the cutting element in axial direction relative to the stationary guide tube.

Abstract: An iris retractor for use in ophthalmic surgery, includes an elongated body portion for insertion through an incision in the eye to retract the iris, with the body portion including two parallel shafts secured to each other along a common longitudinal edge wherein each shaft has at least one end formed with a hook-shaped member. The shafts of the body portion are so joined together that the hook-shaped members diverge from the longitudinal edge downward at an angle to one another to exhibit a .LAMBDA.-shaped configuration, and exhibit parallel shanks which are spaced from each other at a distance, the dimension of which depends on the angle between the hook-shaped members.

Abstract: An aspiration and irrigation system of an ophthalmologic device for performing surgical operations on an eye of a living being, includes an irrigation unit for conducting a fluid under pressure to the eye via a first passageway, and an aspiration unit for simultaneous removal of fluid and/or tissue from the eye via a second passageway. The aspiration unit includes a two-stage pump system with a primary vacuum pump producing suction to effect a withdrawal of fluid and/or tissue from the eye through the second passageway and a secondary vacuum pump positioned downstream of the primary pump in a third passageway in communication with the second passageway, for boosting the suction pressure produced by the primary pump.

Abstract: Apparatus for microsurgical operations on the eye of a living being includes a housing having a compartment which receives a carrier module having a first support structure for conducting a passageway for supply of an irrigation fluid to a surgical site, a second support structure spaced laterally from the first support structure for conducting a second passageway for withdrawal of material from the surgical site, and at least one catch. The compartment which is subdivided in sections by spaced partition walls houses a pump for peristaltically transporting material in the second passageway, an interrupter unit for controlling the fluid flow through the first passageway, and a pull-in and locking mechanism which is engageable with the catch for pulling the carrier module into the compartment in a snap-like manner and releasably securing the carrier module therein such that the interrupter unit is in engagement with the first passageway and the pump is in engagement with the second passageway.

Abstract: An aspiration and irrigation system, in particular for performing surgical operations on an eye of a living being to maintain the intraocular pressure, includes a pressure unit for supplying gaseous fluid to the eye via a first fluid passageway and communicating with an infusion unit comprised of successively arranged first and second infusion bottles, both containing a liquid fluid. An irrigation unit is connected with the second infusion bottle for conducting liquid fluid from said second infusion bottle to the eye via a second fluid passageway; with the liquid fluid in the second infusion bottle being pressurized by gaseous fluid supplied from the pressure unit. A multiport valve selectively controls the flow between the first and second fluid passageways to the eye. Tissue and/or gaseous and liquid fluids are removed from the eye by an aspiration unit.

Abstract: A process and an apparatus for the surgical correction of ametropia, which can occur as a function of the corneal curvature in the optical system of one or both eyes of living beings, are proposed. The apparatus includes a grinder essentially comprising a base member to be fixed to the eye and a rotary-driven grinding or polishing punch. A displacement of the focal point in the retinal plane is achieved and consequently the ratio of the optical axis to the refractive force of the eye is corrected by grinding and/or polishing the cornea surface in the optical curvature region.