Patents by Inventor Len Takudzwa Magara
Len Takudzwa Magara 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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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
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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
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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
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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
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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
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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
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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
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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
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Patent number: 11116627Abstract: Intraocular lens injectors described herein may include a symmetrical arranged storage compartment, nozzle passage, and plunger tip in order to symmetrically fold and provide symmetrical loading to an intraocular lens during advancement and delivery so as to avoid rotation of the intraocular lens about longitudinal, vertical, and/or lateral axes during advancement and/or delivery of the intraocular lens.Type: GrantFiled: July 10, 2019Date of Patent: September 14, 2021Inventors: Yinghui Wu, Douglas Brent Wensrich, Len Takudzwa Magara
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Publication number: 20200197168Abstract: An intraocular lens (IOL) folding device is described.Type: ApplicationFiled: June 27, 2019Publication date: June 25, 2020Inventors: Yinghui Wu, Douglas Brent Wensrich, Todd Taber, Len Takudzwa Magara
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Publication number: 20200197167Abstract: An IOL injector having a collapsible mechanism and/or a lever-driven rack and pinion is described.Type: ApplicationFiled: December 12, 2019Publication date: June 25, 2020Inventors: Douglas Brent Wensrich, Len Takudzwa Magara, Jian Liu, Anubhav Chauhan
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Publication number: 20200197160Abstract: 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: ApplicationFiled: August 6, 2019Publication date: June 25, 2020Inventors: Len Takudzwa Magara, Douglas Brent Wensrich, Yinghui Wu, Rudolph F. Zacher, Todd Taber
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Publication number: 20200197166Abstract: 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: ApplicationFiled: December 12, 2019Publication date: June 25, 2020Inventors: Yinghui Wu, Len Takudzwa Magara, Sudarshan B. Singh, Douglas Brent Wensrich, Todd Taber
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Publication number: 20200197162Abstract: 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: ApplicationFiled: December 12, 2019Publication date: June 25, 2020Inventors: Yinghui Wu, Len Takudzwa Magara, Douglas Brent Wensrich
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Publication number: 20200015959Abstract: 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: July 10, 2019Publication date: January 16, 2020Inventors: Douglas Brent Wensrich, Todd Taber, Len Takudzwa Magara, Jian Liu
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Publication number: 20200015956Abstract: Intraocular lens injectors described herein may include a symmetrical arranged storage compartment, nozzle passage, and plunger tip in order to symmetrically fold and provide symmetrical loading to an intraocular lens during advancement and delivery so as to avoid rotation of the intraocular lens about longitudinal, vertical, and/or lateral axes during advancement and/or delivery of the intraocular lens.Type: ApplicationFiled: July 10, 2019Publication date: January 16, 2020Inventors: Yinghui Wu, Douglas Brent Wensrich, Len Takudzwa Magara