Patents by Inventor Thomas A. Silvestrini
Thomas A. Silvestrini has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 10350058Abstract: Implantable corneal and intraocular implants such as a mask are provided. The mask can improve the vision of a patient, such as by being configured to increase the depth of focus of an eye of a patient. The mask can include an aperture configured to transmit along an optical axis substantially all visible incident light. The mask can further include a transition portion that surrounds at least a portion of the aperture. This portion can be configured to switch from one level of opacity to another level of opacity through the use of a controllably variable absorbance feature such as a switchable photochromic chromophore within a polymer matrix.Type: GrantFiled: February 17, 2017Date of Patent: July 16, 2019Assignee: AcuFocus, Inc.Inventor: Thomas A. Silvestrini
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Publication number: 20190099263Abstract: A two-part accommodating intraocular lens (IOL) device for implantation in a capsular bag of a patient's eye. The IOL device includes a primary lens assembly and a power changing lens. The primary lens assembly includes a fixed lens and a peripherally disposed centration member. The centration member has a circumferential distal edge and a first coupling surface adjacent the circumferential distal edge. The power changing lens has an enclosed, fluid- or gel-filled lens cavity and haptic system disposed peripherally of the lens cavity. The haptic system has a peripheral engaging edge configured to contact the capsular bag and a second coupling surface. The first and second coupling surfaces are in sliding contact with one another to permit movement of the power changing lens relative to the primary lens assembly and also to maintain a spaced relationship between the fixed lens and the lens cavity during radial compression of the power changing lens.Type: ApplicationFiled: December 3, 2018Publication date: April 4, 2019Inventors: Daniel Brady, Thomas Silvestrini, Ramgopal Rao
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Patent number: 10159564Abstract: A two-part accommodating intraocular lens (IOL) device for implantation in a capsular bag of a patient's eye. The IOL device includes a primary lens assembly and a power changing lens. The primary lens assembly includes a fixed lens and a peripherally disposed centration member. The centration member has a circumferential distal edge and a first coupling surface adjacent the circumferential distal edge. The power changing lens has an enclosed, fluid- or gel-filled lens cavity and haptic system disposed peripherally of the lens cavity. The haptic system has a peripheral engaging edge configured to contact the capsular bag and a second coupling surface. The first and second coupling surfaces are in sliding contact with one another to permit movement of the power changing lens relative to the primary lens assembly and also to maintain a spaced relationship between the fixed lens and the lens cavity during radial compression of the power changing lens.Type: GrantFiled: May 2, 2016Date of Patent: December 25, 2018Assignee: LensGen, Inc.Inventors: Daniel Brady, Thomas Silvestrini, Ramgopal Rao
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Publication number: 20180344453Abstract: An accommodating intraocular lens (IOL) can be implanted either alone or as part of a two-part lens assembly. The IOL comprises an optic, a flexible membrane and a peripheral edge coupling the optic and the flexible membrane. The peripheral edge comprises an external circumferential surface having a height and a force transmitting area defined along a portion of the height of the external circumferential surface. A closed volume spaces apart the optic and the flexible membrane. The optic is axially displaced and the flexible membrane changes in curvature about a central axis when a radial compressive force is applied to the force transmitting area. A volume defined by the closed volume remains fixed when the optic is axially displaced and the flexible membrane changes in curvature and/or when the radial compressive force is applied to the force transmitting area.Type: ApplicationFiled: June 7, 2018Publication date: December 6, 2018Inventors: Daniel Brady, Thomas Silvestrini, Ramgopal Rao
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Patent number: 10111745Abstract: An accommodating intraocular lens (IOL) comprises an anterior lens, a posterior surface and an articulating member joining the anterior lens and the posterior surface to define an enclosed cavity. The articulating member comprises anterior and posterior arms coupling the anterior lens and the posterior surface, respectively. The articulating member further comprising a peripheral portion. A posterior flex region is disposed about the posterior arm and at a distance from the peripheral portion. The posterior flex region permits the flexible posterior surface to articulate relative to the posterior arm, to decrease the radius of curvature of the posterior surface as the peripheral portions on opposing sides of the IOL move toward one another in a first state and to increase the radius of curvature of the posterior surface as the peripheral portions on opposite sides of the IOL move away from one another in a second state.Type: GrantFiled: November 9, 2015Date of Patent: October 30, 2018Assignee: LensGen, Inc.Inventors: Thomas Silvestrini, Ramgopal Rao
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Publication number: 20180271645Abstract: An accommodating intraocular lens device is provided. The accommodating intraocular lens device comprises a base assembly and a power lens. The base assembly comprises a first open end, a second end coupled to a base lens, and a haptic surrounding a central cavity. The haptic may comprise an outer periphery, an inner surface and a height between a first edge and a second edge. The power lens is configured to fit within the central cavity. The power lens may comprise a first side, a second side, a peripheral edge coupling the first and second sides, and a closed cavity configured to house a fluid. The first side of the power lens may be positioned at a predetermined distance from the first edge of the haptic.Type: ApplicationFiled: June 1, 2018Publication date: September 27, 2018Inventors: Daniel Brady, Thomas Silvestrini, Ramgopal Rao
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Patent number: 10016301Abstract: Disclosed are devices, methods and systems for treatment of eye disease such as glaucoma. Implants are described herein that enhance aqueous flow through the normal outflow system of the eye with minimal to no complications. The implant can be reversibly deformed to a first shape, such as a generally linear shape conducive to insertion. Upon insertion, the implant can deform to a second shape, such as a generally non-linear shape conducive to retention within the eye. The shape also improves fluid flow from the anterior chamber and prevents or reduces clogging.Type: GrantFiled: December 24, 2013Date of Patent: July 10, 2018Assignee: Novartis AGInventors: Thomas A. Silvestrini, Steven John, Jose Garcia, Richard S. Lilly
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Publication number: 20180177639Abstract: A method for adjusting the refractive power of a fluid-filled intraocular lens implanted into a patient's eye. The method comprises selecting a pattern to cause a flattening of the intraocular lens or an increase in curvature of the intraocular lens, and ablating the pattern, onto either an optical element of the intraocular lens or a flexible element of the intraocular lens, to alter either one or both of a refractive power and an amplitude of accommodation of the intraocular lens. The ablating occurs while the intraocular lens remains implanted in the patient's eye. The ablating maintains the integrity of a fluid-filled interior cavity defined between the optical element and the flexible element, but causes the flattening of the intraocular lens or the increase in curvature of the intraocular lens.Type: ApplicationFiled: February 21, 2018Publication date: June 28, 2018Applicant: LensGen, Inc.Inventors: Ramgopal Rao, Thomas Silvestrini
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Patent number: 10004596Abstract: An accommodating intraocular lens (IOL) can be implanted either alone or as part of a two-part lens assembly. The IOL comprises an optic, a flexible membrane and a peripheral edge coupling the optic and the flexible membrane. The peripheral edge comprises an external circumferential surface having a height and a force transmitting area defined along a portion of the height of the external circumferential surface. A closed volume spaces apart the optic and the flexible membrane. The optic is axially displaced and the flexible membrane changes in curvature about a central axis when a radial compressive force is applied to the force transmitting area. A volume defined by the closed volume remains fixed when the optic is axially displaced and the flexible membrane changes in curvature and/or when the radial compressive force is applied to the force transmitting area.Type: GrantFiled: July 31, 2014Date of Patent: June 26, 2018Assignee: LensGen, Inc.Inventors: Daniel Brady, Thomas Silvestrini, Ramgopal Rao
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Publication number: 20180071143Abstract: Described herein are devices and methods for treating eye conditions. Described is an ocular implant including an elongate member having an internal lumen forming a flow pathway, at least one inflow port communicating with the flow pathway, and at least one outflow port communicating with the flow pathway. The elongate member is adapted to be positioned in the eye such that at least one inflow port communicates with the anterior chamber, at least one outflow port communicates with the suprachoroidal space to provide a fluid pathway between the anterior chamber and the suprachoroidal space when the elongate member is implanted in the eye. The elongate member has a wall material imparting a stiffness to the elongate member. The stiffness is selected such that after implantation the elongate member deforms eye tissue surrounding the suprachoroidal space forming a tented volume.Type: ApplicationFiled: September 1, 2017Publication date: March 15, 2018Inventors: Thomas A. Silvestrini, Eugene de Juan, JR.
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Publication number: 20170342096Abstract: A silicone oil having a mean molecular weight average greater than about 20,000 Daltons, with no more than about 3% to about 4% of the total silicone oil by weight being comprised of components having a molecular weight less than about 15,000 Daltons. In some embodiments, the silicone oil is used in intraocular lens devices.Type: ApplicationFiled: May 26, 2017Publication date: November 30, 2017Applicant: LensGen, Inc.Inventor: Thomas Silvestrini
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Patent number: 9763828Abstract: Described herein are devices and methods for treating eye conditions. Described is an ocular implant including an elongate member having an internal lumen forming a flow pathway, at least one inflow port communicating with the flow pathway, and at least one outflow port communicating with the flow pathway. The elongate member is adapted to be positioned in the eye such that at least one inflow port communicates with the anterior chamber, at least one outflow port communicates with the suprachoroidal space to provide a fluid pathway between the anterior chamber and the suprachoroidal space when the elongate member is implanted in the eye. The elongate member has a wall material imparting a stiffness to the elongate member. The stiffness is selected such that after implantation the elongate member deforms eye tissue surrounding the suprachoroidal space forming a tented volume.Type: GrantFiled: November 4, 2013Date of Patent: September 19, 2017Assignee: Novartis AGInventors: Thomas A. Silvestrini, Eugene de Juan, Jr.
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Publication number: 20170156850Abstract: Implantable corneal and intraocular implants such as a mask are provided. The mask can improve the vision of a patient, such as by being configured to increase the depth of focus of an eye of a patient. The mask can include an aperture configured to transmit along an optical axis substantially all visible incident light. The mask can further include a transition portion that surrounds at least a portion of the aperture. This portion can be configured to switch from one level of opacity to another level of opacity through the use of a controllably variable absorbance feature such as a switchable photochromic chromophore within a polymer matrix.Type: ApplicationFiled: February 17, 2017Publication date: June 8, 2017Inventor: Thomas A. Silvestrini
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Patent number: 9603704Abstract: Implantable corneal and intraocular implants such as a mask are provided. The mask can improve the vision of a patient, such as by being configured to increase the depth of focus of an eye of a patient. The mask can include an aperture configured to transmit along an optical axis substantially all visible incident light. The mask can further include a transition portion that surrounds at least a portion of the aperture. This portion can be configured to switch from one level of opacity to another level of opacity through the use of a controllably variable absorbance feature such as a switchable photochromic chromophore within a polymer matrix.Type: GrantFiled: December 7, 2015Date of Patent: March 28, 2017Assignee: AcuFocus, Inc.Inventor: Thomas A. Silvestrini
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Patent number: 9554941Abstract: Described herein are delivery devices and methods of using the devices for delivering an ocular implant into a suprachoroidal space without use of a goniolens. The delivery device includes a handle including a channel extending from a proximal end of the handle to a distal end of the handle, an applier coupled to the handle, the applier including a blunt distal tip and an elongate, flexible wire insertable through a fluid channel of an ocular implant, and a fiber optic image bundle reversibly inserted through the channel such that the fiber optic image bundle extends to a region proximal to the blunt distal tip of the applier.Type: GrantFiled: December 16, 2015Date of Patent: January 31, 2017Assignee: Novartis AGInventors: Thomas A. Silvestrini, Richard S. Lilly
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Patent number: 9549846Abstract: This disclosure relates generally to methods and devices for use in treating eye conditions with implantable drug delivery devices. One method includes introducing an implant into the suprachoroidal space, wherein the interior volume of the implant is plugged with a drug-release material comprising at least one active agent that elutes through at least one opening in the implant, wherein the drug-release material degrades from the interior volume of the implant over a period time.Type: GrantFiled: July 27, 2015Date of Patent: January 24, 2017Assignee: NOVARTIS AGInventors: Luke Clauson, Thomas A. Silvestrini, Tsontcho Ianchulev, Steven John
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Patent number: 9549845Abstract: Described herein is a delivery device and methods for delivering an ocular implant into an eye. The delivery device includes a proximal handle portion; a distal delivery portion coupled to a distal end of the handle portion and configured to releasably hold an ocular implant and includes a sheath positioned axially over a guidewire; and a metering system configured to provide visual guidance regarding depth of advancement of an implant positioned on the guidewire into an anatomic region of the eye. Also disclosed is a device and method for loading an implant onto the delivery device.Type: GrantFiled: September 12, 2013Date of Patent: January 24, 2017Assignee: Novartis AGInventors: Eugene de Juan, Jr., Steven John, Jose Garcia, Richard S. Lilly, Thomas A. Silvestrini
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Publication number: 20160317286Abstract: A two-part accommodating intraocular lens (IOL) device for implantation in a capsular bag of a patient's eye. The IOL device includes a primary lens assembly and a power changing lens. The primary lens assembly includes a fixed lens and a peripherally disposed centration member. The centration member has a circumferential distal edge and a first coupling surface adjacent the circumferential distal edge. The power changing lens has an enclosed, fluid- or gel-filled lens cavity and haptic system disposed peripherally of the lens cavity. The haptic system has a peripheral engaging edge configured to contact the capsular bag and a second coupling surface. The first and second coupling surfaces are in sliding contact with one another to permit movement of the power changing lens relative to the primary lens assembly and also to maintain a spaced relationship between the fixed lens and the lens cavity during radial compression of the power changing lens.Type: ApplicationFiled: May 2, 2016Publication date: November 3, 2016Applicant: LensGen, Inc.Inventors: Daniel BRADY, Thomas SILVESTRINI, Ramgopal Rao
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Publication number: 20160317287Abstract: An intraocular lens (IOL) device comprising a first lens, a second lens and a circumferential haptic. The first lens comprises a pair of opposing and deformable surfaces and a cavity defined therebetween. The first lens has a first lens diameter. The second lens has a second lens diameter. The circumferential haptic has an outer peripheral edge and couples the first lens and the second lens. A main IOL cavity is defined by the circumferential haptic, the first lens and the second lens. The IOL device is resiliently biased to an unaccommodated state, characterized by the IOL device having a first diameter d1 in the absence of radial compressive forces exerted on the outer peripheral edge. The IOL device actuates to an accommodated state being characterized by a second diameter d2 in response to radial compressive forces exerted on the outer peripheral edge, wherein d1>d2.Type: ApplicationFiled: May 2, 2016Publication date: November 3, 2016Applicant: LensGen, Inc.Inventors: Thomas SILVESTRINI, Daniel BRADY, Ramgopal Rao
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Publication number: 20160175152Abstract: Described herein are delivery devices and methods of using the devices for delivering an ocular implant into a suprachoroidal space without use of a goniolens. The delivery device includes a handle including a channel extending from a proximal end of the handle to a distal end of the handle, an applier coupled to the handle, the applier including a blunt distal tip and an elongate, flexible wire insertable through a fluid channel of an ocular implant, and a fiber optic image bundle reversibly inserted through the channel such that the fiber optic image bundle extends to a region proximal to the blunt distal tip of the applier.Type: ApplicationFiled: December 16, 2015Publication date: June 23, 2016Inventors: Thomas A. Silvestrini, Richard S. Lilly