Patents by Inventor Douglas Brent Wensrich
Douglas Brent Wensrich 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).
-
Publication number: 20240148494Abstract: Systems, methods, and apparatuses for storing and/or shipping an intraocular lens (IOL) cartridge are provided. A system comprises a packaging comprising a passage. The IOL cartridge is removably disposed within the passage. The IOL cartridge comprises a nozzle and a compartment configured to receive an IOL. The nozzle is in fluid communication with the compartment. The IOL cartridge further comprises a dial configured to rotate upon withdrawal of the IOL cartridge from the passage, wherein an inner surface of the dial is exposed to the compartment. The dial is configured to fold the IOL and release the IOL cartridge from the packaging upon rotation of the dial.Type: ApplicationFiled: January 18, 2024Publication date: May 9, 2024Inventors: Sudarshan B. SINGH, Todd TABER, Yinghui WU, Douglas Brent WENSRICH, Trevor HANEY, Andrew CHECK, Justin BENAQUISTO, Joe MARIETTA, Jonathan PENROD, Tim LAROY, Bryce PORTER
-
Patent number: 11957570Abstract: An ophthalmic device includes an optic including an optic axis and a closed-loop haptic structure coupled to the optic via a frame surrounding the optic, the closed-loop haptic structure including a closed loop extending from first and second attachment points to the frame. The closed loop includes a first hinge and a second hinge. The first hinge has a first section having a first component extending in a first angular direction, a second section having a second component extending in a second angular direction opposite to the first angular direction, and a first connecting section between the first section and the second section. The second hinge has a third section having a third component extending in the second angular direction, a fourth section having a fourth component extending in the first angular direction, the fourth section being connected to the second section to form the closed loop.Type: GrantFiled: June 18, 2021Date of Patent: April 16, 2024Assignee: Alcon Inc.Inventors: Sung Kyu Lee, Stephen John Collins, Ian Michael Marks, Jonathan David Mccann, Jian Liu, Douglas Brent Wensrich, Stephen J. Van Noy
-
Patent number: 11931247Abstract: Systems, methods, and apparatuses for storing and/or shipping an intraocular lens (IOL) cartridge are provided. A system comprises the IOL cartridge. The IOL cartridge comprises a nozzle and a compartment comprising an IOL. The nozzle is in fluid communication with the compartment. The IOL cartridge further comprises a dial disposed adjacent to the compartment, wherein an inner surface of the dial is exposed to the compartment. The dial is configured to fold the IOL upon rotation of the dial. The IOL cartridge further comprises a plunger case in fluid communication with the compartment, wherein a plunger is movably disposed within the plunger case. The IOL cartridge is configured to removably attach to a handpiece.Type: GrantFiled: August 21, 2020Date of Patent: March 19, 2024Assignee: Alcon Inc.Inventors: Sudarshan B. Singh, Todd Taber, Douglas Brent Wensrich, Yinghui Wu, Trevor Haney, Andrew Check, Justin Benacquisto, Joe Marietta, Jonathan Penrod, Tim LaRoy, Bryce Porter
-
Patent number: 11911263Abstract: Systems, methods, and apparatuses for storing and/or shipping an intraocular lens (IOL) cartridge are provided. A system comprises a packaging comprising a passage. The IOL cartridge is removably disposed within the passage. The IOL cartridge comprises a nozzle and a compartment configured to receive an IOL. The nozzle is in fluid communication with the compartment. The IOL cartridge further comprises a dial configured to rotate upon withdrawal of the IOL cartridge from the passage, wherein an inner surface of the dial is exposed to the compartment. The dial is configured to fold the IOL and release the IOL cartridge from the packaging upon rotation of the dial.Type: GrantFiled: August 21, 2020Date of Patent: February 27, 2024Assignee: Alcon Inc.Inventors: Sudarshan B. Singh, Todd Taber, Yinghui Wu, Douglas Brent Wensrich, Trevor Haney, Andrew Check, Justin Benaquisto, Joe Marietta, Jonathan Penrod, Tim LaRoy, Bryce Porter
-
Publication number: 20240033074Abstract: Systems, methods, and apparatuses for removably attaching a drive mechanism handpiece to an intraocular lens (IOL) cartridge that folds the IOL upon retraction of a cap, are provided. The IOL cartridge comprises a nozzle and a compartment configured to receive an IOL. The nozzle is in fluid communication with the compartment. The IOL cartridge also includes a retractable cap that covers the nozzle and the compartment. The retractable cap is configured to expose the nozzle and fold the IOL upon retraction of the retractable cap. The IOL cartridge may also include a plunger case that is in fluid communication with the compartment, wherein a plunger is movably disposed within the plunger case.Type: ApplicationFiled: October 12, 2023Publication date: February 1, 2024Inventors: Sudarshan B. Singh, Todd Taber, Yinghui Wu, Douglas Brent Wensrich, Sam Jang, Chris Pinkham
-
Patent number: 11833032Abstract: Systems, methods, and apparatuses for removably attaching a drive mechanism handpiece to an intraocular lens (IOL) cartridge that folds the IOL upon retraction of a cap, are provided. The IOL cartridge comprises a nozzle and a compartment configured to receive an IOL. The nozzle is in fluid communication with the compartment. The IOL cartridge also includes a retractable cap that covers the nozzle and the compartment. The retractable cap is configured to expose the nozzle and fold the IOL upon retraction of the retractable cap. The IOL cartridge may also include a plunger case that is in fluid communication with the compartment, wherein a plunger is movably disposed within the plunger case.Type: GrantFiled: August 21, 2020Date of Patent: December 5, 2023Assignee: Alcon Inc.Inventors: Sudarshan B. Singh, Todd Taber, Yinghui Wu, Douglas Brent Wensrich, Sam Jang, Chris Pinkham
-
Publication number: 20230240837Abstract: Systems, methods, and apparatuses for removably attaching a drive mechanism handpiece to an intraocular lens (IOL) cartridge that folds the IOL upon removal of a cap, are provided. The IOL cartridge comprises a nozzle and a housing comprising a slide. A compartment configured to receive an IOL is disposed within the housing. An interior portion of the slide is exposed to the compartment. The nozzle is in fluid communication with the compartment. The cap covers the nozzle and the slide. The cap is configured to expose the nozzle and advance the slide to fold the IOL upon removal of the cap.Type: ApplicationFiled: April 4, 2023Publication date: August 3, 2023Inventors: Sudarshan B. SINGH, Todd TABER, Yinghui WU, Douglas Brent WENSRICH, Sam JANG, Chris PINKHAM
-
Publication number: 20230218388Abstract: An intraocular lens (IOL) folding device is described.Type: ApplicationFiled: March 14, 2023Publication date: July 13, 2023Inventors: Yinghui WU, Douglas Brent WENSRICH, Todd TABER, Len Takudzwa MAGARA
-
Publication number: 20230149155Abstract: An apparatus for eye surgery may comprise a nozzle having a delivery lumen, an implant bay coupled to the nozzle, an implant disposed in the implant bay, and an actuator coupled to the implant bay. The actuator may comprise a housing; a bore through the housing; a plunger disposed within the bore; and a compression ring. The plunger can be configured to advance within the bore, thereby advancing the implant from the implant bay through the delivery lumen, and the bore can be configured to compress the compression ring as the plunger moves through the bore. In some embodiments, the bore can be configured to increase compression on the compression ring as the first end of the plunger moves through the bore.Type: ApplicationFiled: October 21, 2022Publication date: May 18, 2023Inventors: Harlen Hoang, Yinghui Hu, R. Mitchell Sherry, Douglas Brent Wensrich, Tuoqi Li
-
Patent number: 11642219Abstract: Systems, methods, and apparatuses for removably attaching a drive mechanism handpiece to an intraocular lens (IOL) cartridge that folds the IOL upon removal of a cap, are provided. The IOL cartridge comprises a nozzle and a housing comprising a slide. A compartment configured to receive an IOL is disposed within the housing. An interior portion of the slide is exposed to the compartment. The nozzle is in fluid communication with the compartment. The cap covers the nozzle and the slide. The cap is configured to expose the nozzle and advance the slide to fold the IOL upon removal of the cap.Type: GrantFiled: August 21, 2020Date of Patent: May 9, 2023Assignee: Alcon Inc.Inventors: Sudarshan B. Singh, Todd Taber, Yinghui Wu, Douglas Brent Wensrich, Sam Jang, Chris Pinkham
-
Patent number: 11633276Abstract: An intraocular lens (IOL) folding device is described.Type: GrantFiled: June 27, 2019Date of Patent: April 25, 2023Assignee: Alcon Inc.Inventors: Yinghui Wu, Douglas Brent Wensrich, Todd Taber, Len Takudzwa Magara
-
Publication number: 20220370196Abstract: An intraocular lens (IOL) injectors and associated methods are described. The IOL injectors may include a collapsible portion configured to reduce the length of the IOL injector when the collapsible portion is altered from an uncollapsed configuration to a collapsed configuration. In some instances, an IOL may be advanced from a storage location to a dwell location when the collapsible portion is altered from the uncollapsed configuration to the collapsed configuration. The IOL injectors may also include a combination push and screw drive.Type: ApplicationFiled: August 8, 2022Publication date: November 24, 2022Inventors: Douglas Brent Wensrich, Todd Taber, Len Takudzwa Magara, Jian Liu
-
Patent number: 11439499Abstract: An intraocular lens (IOL) injectors and associated methods are described. The IOL injectors may include a collapsible portion configured to reduce the length of the IOL injector when the collapsible portion is altered from an uncollapsed configuration to a collapsed configuration. In some instances, an IOL may be advanced from a storage location to a dwell location when the collapsible portion is altered from the uncollapsed configuration to the collapsed configuration. The IOL injectors may also include a combination push and screw drive.Type: GrantFiled: July 10, 2019Date of Patent: September 13, 2022Assignee: Alcon Inc.Inventors: Douglas Brent Wensrich, Todd Taber, Len Takudzwa Magara, Jian Liu
-
Patent number: 11413137Abstract: An IOL injector having a collapsible mechanism and/or a lever-driven rack and pinion is described.Type: GrantFiled: December 12, 2019Date of Patent: August 16, 2022Assignee: Alcon Inc.Inventors: Douglas Brent Wensrich, Len Takudzwa Magara, Jian Liu, Anubhav Chauhan
-
Patent number: 11357621Abstract: Systems, methods, and devices for inserting an intraocular lens (IOL) assembly into an eye may be provided. An apparatus for delivery of a lens component into an eye, including: a nozzle; a housing, wherein the nozzle is operatively coupled to the housing; a first lever; a second lever; and a linkage assembly. The linkage assembly may be disposed within the housing between and adjacent to the first and second levers. The linkage assembly may include a plurality of linkages pivotably coupled to each other, wherein the linkage assembly is collapsible.Type: GrantFiled: July 28, 2020Date of Patent: June 14, 2022Assignee: Alcon Inc.Inventors: Victoria Holderby, Douglas Brent Wensrich
-
Patent number: 11344406Abstract: Systems, methods, and devices, for delivery of a lens portion of a modular intraocular lens into an eye, may be provided. A device may include a housing; a nozzle positioned at an end of the housing, wherein an interior of the nozzle comprises a floor, the floor including an aperture; and a cam-actuated mechanism positioned within the housing, comprising: a lens stop comprising a base and a post, wherein the post is movably disposed within the aperture; and a slider configured to move in a direction toward the lens stop, wherein the lens stop is positioned at a distal end of the slider, the slider comprising a slot that is aligned with a portion of the base of the lens stop and configured to receive the portion of the base as the slider moves.Type: GrantFiled: December 12, 2019Date of Patent: May 31, 2022Assignee: Alcon Inc.Inventors: Yinghui Wu, Len Takudzwa Magara, Douglas Brent Wensrich
-
Patent number: 11337797Abstract: Systems, methods, and devices for inserting an intraocular lens (IOL) assembly into an eye may be provided. A device for delivery of the IOL into the eye may include a nozzle; a bay adjacent to the nozzle, wherein the bay is configured to contain the lens component and comprises a recess in a shape of a haptic extension; and a cam-actuated mechanism comprising a slider configured to move in a direction toward the nozzle; a side arm moveably disposed within the bay, wherein the side arm is positioned at an end of the slider, the end of the slider comprising a groove aligned with the side arm, wherein the groove extends from an outer edge of the slider into an interior portion of the slider, wherein the groove is angled to receive the side arm as the slider moves.Type: GrantFiled: August 6, 2019Date of Patent: May 24, 2022Assignee: Alcon Inc.Inventors: Len Takudzwa Magara, Douglas Brent Wensrich, Yinghui Wu, Rudolph F. Zacher, Todd Taber
-
Patent number: 11324589Abstract: IOL injectors and associated methods are described. An IOL injector may include a collapsible portion configured to reduce the length of the IOL injector when the collapsible portion is altered from an uncollapsed configuration to a collapsed configuration. In some instances, an IOL may be advanced from a storage location to a dwell location when the collapsible portion is altered from the uncollapsed configuration to the collapsed configuration. An IOL injector may include one or more of a hydraulic damper and a ribbed damper.Type: GrantFiled: July 10, 2019Date of Patent: May 10, 2022Assignee: Alcon Inc.Inventor: Douglas Brent Wensrich
-
Patent number: 11324590Abstract: Systems, methods, and devices for inserting an intraocular lens (IOL) assembly into an eye may be provided. A device for delivery of the IOL into the eye may include a housing; a nozzle operatively coupled to the housing; a first cylinder movably disposed within the housing; a second cylinder movably disposed within the housing, wherein the second cylinder is in fluid communication with the first cylinder; a plunger at least partially and movably disposed within the first cylinder; and a shaft movably disposed within the second cylinder, wherein the shaft is configured to move toward the lens component.Type: GrantFiled: December 12, 2019Date of Patent: May 10, 2022Assignee: Alcon Inc.Inventors: Yinghui Wu, Len Takudzwa Magara, Sudarshan B. Singh, Douglas Brent Wensrich, Todd Taber
-
Publication number: 20210307896Abstract: An ophthalmic device includes an optic including an optic axis and a closed-loop haptic structure coupled to the optic via a frame surrounding the optic, the closed-loop haptic structure including a closed loop extending from first and second attachment points to the frame. The closed loop includes a first hinge and a second hinge. The first hinge has a first section having a first component extending in a first angular direction, a second section having a second component extending in a second angular direction opposite to the first angular direction, and a first connecting section between the first section and the second section. The second hinge has a third section having a third component extending in the second angular direction, a fourth section having a fourth component extending in the first angular direction, the fourth section being connected to the second section to form the closed loop.Type: ApplicationFiled: June 18, 2021Publication date: October 7, 2021Inventors: SUNG KYU LEE, STEPHEN JOHN COLLINS, IAN MICHAEL MARKS, JONATHAN DAVID MCCANN, JIAN LIU, DOUGLAS BRENT WENSRICH, STEPHEN J. VAN NOY