Described herein are devices and methods for creating a capsulorhexis. In some embodiments, the device includes a template with a tearing profile, which, when placed against the capsular bag, defines a perimeter of a capsulorhexis. In some embodiments, the device further includes rigid sections and bendable sections which are configured to transition the template between a first bent configuration for insertion through a corneal incision and a second unbent configuration for creation of the capsulorhexis. In some embodiments, the device further includes connecting elements which enter through the corneal incision and, when manipulated, transition the device between the first bent configuration and the second unbent configuration. In some embodiments, the connectors are configured to impart a downward force on the template and thus the capsular bag during the capsulorhexis creation.

Methods and systems for planning and forming incisions in a cornea, lens capsule, and/or crystalline lens nucleus are disclosed. A method includes measuring spatial dispositions, relative to a laser surgery system, of at least portions of the corneal anterior and posterior surfaces. A spatial disposition of an incision of the cornea is generated based at least in part on the measured corneal anterior and posterior spatial dispositions and at least one corneal incision parameter. A composite image is displayed that includes an image representative of the measured corneal anterior and posterior surfaces and an image representing the corneal incision.

A device for performing an ophthalmic procedure in an eye including a hand-held portion; an elongate member extending from a distal end region of the hand-held portion; and an aspiration pump within the hand-held portion. The elongate member includes a lumen and an opening near a distal end region of the elongate member. The aspiration pump is in fluid communication with the opening of the elongate member. The aspiration pump includes a camshaft extending along a longitudinal axis and having a plurality of lobed cams; tubing extending parallel to the longitudinal axis; and a plurality of cam followers driven by the cams of the camshaft to move in a plane perpendicular to the longitudinal axis to sequentially compress the tubing. Related devices, systems, methods are provided.

An exemplary surgical device includes a shaft with a lumen defined therethrough and an element movable from a stored position to a deployed position in which a larger portion of the element extends out of the distal end of the lumen; wherein motion from the stored position to the deployed position causes a first leg of the element to advance distally relative to the distal end of the shaft, and causes a second leg of the element to move proximally relative to the distal end of the shaft.

A hand-held aspiration device is provided which has a relatively small suction volume along a suction path to improve responsiveness of the aspiration device when the device is activated. The device may be manually powered and may be provided without electronic controls. The device has a suction path which may be purged into a disposal enclosure to reduce the volume of material under the influence of the suction pressure during the procedure. The suction source may also be part of the hand-held unit to further reduce the suction path and suction volume.

A phacoemulsification system includes a phacoemulsification probe and a sensing assembly. The phacoemulsification probe includes: (i) a needle, which is configured to be inserted into a lens capsule of an eye and to be vibrated to emulsify a lens of the eye, (ii) an irrigation channel, configured for flowing irrigation fluid into the lens capsule, and (iii) an aspiration channel, configured for removing at least eye fluid from the lens capsule. The sensing assembly is coupled with a proximal end of the phacoemulsification probe and is configured to sense a pressure of at least one of the irrigation fluid and the eye fluid.

Apparatus and methods are described for performing a procedure on a patient's eye. A robotic unit inserts an ophthalmic tool into the patient's eye via an incision in a cornea of the patient's eye. The location and the orientation of the tip of a control-component tool that is configured to be moved by an operator is determined, based upon data received from one or more location sensors that are disposed on a control-component arm that is coupled to the control-component tool, and the tip of the ophthalmic tool is moved within the patient's eye in a manner that corresponds with movement of the control-component tool. Force feedback is provided to the operator via the control-component arm. Other applications are also described.

A system and method for inserting an intraocular lens in a patient's eye includes a light source for generating a light beam, a scanner for deflecting the light beam to form an enclosed treatment pattern that includes a registration feature, and a delivery system for delivering the enclosed treatment pattern to target tissue in the patient's eye to form an enclosed incision therein having the registration feature. An intraocular lens is placed within the enclosed incision, wherein the intraocular lens has a registration feature that engages with the registration feature of the enclosed incision. Alternately, the scanner can make a separate registration incision for a post that is connected to the intraocular lens via a strut member.

The present invention relates to a surgical instrument assembly useful during retinal surgery. In particular, a surgical instrument described herein may be constructed from a small gauge. A guarded blade having an exposed sharp blade tip is described. A sleeve may be used to guard the blade tip while leaving a sharp cutting tip exposed. Use of a sleeve to guard the blade while allowing the sharp tip to remain exposed in the manner of the invention may allow for safer dissection of tissues. When used for surgeries involving the eye, a blade having a polymer sleeve and an exposed tip may inhibit and/or avoid the occurrence of inadvertent retinal tissue injury. For example, using a small gauge blade guarded by a polymer sleeve during retinal surgical procedures may reduce or inhibit injuries to the retinal tissue when used during retinal surgical procedures such as membrane peeling and/or dissection. The present invention relates to a surgical instrument, in particular a vitreoretinal surgical assembly, having a guarded blade useful during retinal surgery. For example, a vitreoretinal surgical assembly may be used to dissect at least one of adherent internal limiting membrane, epiretinal membrane, diabetic tractional membranes and/or proliferative vitreoretinal disorders.

A laser surgery system includes a light source, an eye interface device, a scanning assembly, a confocal detection assembly and preferably a confocal bypass assembly. The light source generates an electromagnetic beam. The scanning assembly scans a focal point of the electromagnetic beam to different locations within the eye. An optical path propagates the electromagnetic beam from a light source to the focal point, and also propagates a portion of the electromagnetic beam reflected from the focal point location back along at least a portion of the optical path. The optical path includes an optical element associated with a confocal detection assembly that diverts a portion of the reflected electromagnetic radiation to a sensor. The sensor generates an intensity signal indicative of intensity the electromagnetic beam reflected from the focal point location. The confocal bypass assembly reversibly diverts the electromagnetic beam along a diversion optical path around the optical element.