Patents by Inventor Michael Calhoun
Michael Calhoun 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: 20260137842Abstract: An intravascular device including a transferable drug coating adhered to an exposed outer surface on the device, the drug coating comprising an anti-proliferative active ingredient and a xanthophyll excipient. The xanthophyll may be selected from the group consisting of lutein, astaxanthin, zeaxanthin, meso zeaxanthin, cryptotaxanthin, tunaxanthin, salmoxanthin, and parasiloxanthin, and mixtures thereof. The anti-proliferative active ingredient may be selected from the group consisting of sirolimus, everolimus, zotarolimus, bioliimus, tacrolimus, pimecrolimus, paclitaxel, and mixtures thereof. The device may be used in the treatment of eye disease.Type: ApplicationFiled: May 10, 2023Publication date: May 21, 2026Applicant: J.D. Franco & Co., LLCInventors: Edward PARSONAGE, Stephen MICHAEL, Zachary TEGELS, Michael CALHOUN
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Patent number: 12318327Abstract: A method may include accessing a terminal branch of an ophthalmic artery through a face of a subject. Additionally, the method may include positioning a device within the ophthalmic artery of the subject and treating at least one of a blockage, a stenosis, a lesion, plaque or other physiology in at least one of the ophthalmic artery or a junction between an internal carotid artery and the ophthalmic artery.Type: GrantFiled: April 14, 2023Date of Patent: June 3, 2025Assignee: J.D. FRANCO & CO., LLCInventors: Michael Calhoun, Jeff Franco, Robert M. Vidlund
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Publication number: 20250128031Abstract: A method may include accessing an artery in communication with an ophthalmic artery of a subject, and advancing a microcatheter along the accessed artery so as to align a distal end of the microcatheter with an ostium of the ophthalmic artery, wherein the microcatheter includes a lumen having a guidewire positioned therein. In addition, the method includes proximally withdrawing the guidewire relative to the microcatheter so as to enable a distal portion of the microcatheter to assume a curved relaxed configuration, and cannulating the ostium with the distal portion of the microcatheter when the distal portion is in the curved relaxed configuration.Type: ApplicationFiled: November 5, 2024Publication date: April 24, 2025Applicant: J.D. Franco & Co., LLCInventors: Michael CALHOUN, Stephen MICHAEL, Zachary TEGELS
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Patent number: 12161825Abstract: A method may include accessing an artery in communication with an ophthalmic artery of a subject, and advancing a microcatheter along the accessed artery so as to align a distal end of the microcatheter with an ostium of the ophthalmic artery, wherein the microcatheter includes a lumen having a guidewire positioned therein. In addition, the method includes proximally withdrawing the guidewire relative to the microcatheter so as to enable a distal portion of the microcatheter to assume a curved relaxed configuration, and cannulating the ostium with the distal portion of the microcatheter when the distal portion is in the curved relaxed configuration.Type: GrantFiled: February 4, 2021Date of Patent: December 10, 2024Assignee: J.D. FRANCO & CO., LLCInventors: Michael Calhoun, Stephen Michael, Zachary Tegels
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Publication number: 20240099882Abstract: A method of treating an eye of a patient may include positioning an expandable strut structure within at least one of an internal carotid artery, an ophthalmic artery, or an ostium at a junction between the internal carotid artery and the ophthalmic artery. Additionally, the method may include directing blood flow towards the ophthalmic artery via a diverter element associated with the expandable strut structure.Type: ApplicationFiled: June 2, 2023Publication date: March 28, 2024Applicant: J.D. Franco & Co., LLCInventors: Robert VIDLUND, Michael Calhoun, Jeff Franco
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Publication number: 20240082055Abstract: A method may include accessing a terminal branch of an ophthalmic artery through a face of a subject. Additionally, the method may include positioning a device within the ophthalmic artery of the subject and treating at least one of a blockage, a stenosis, a lesion, plaque or other physiology in at least one of the ophthalmic artery or a junction between an internal carotid artery and the ophthalmic artery.Type: ApplicationFiled: April 14, 2023Publication date: March 14, 2024Applicant: J.D. Franco & Co., LLCInventors: Michael Calhoun, Jeff Franco, Robert M. VIDLUND
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Patent number: 11759218Abstract: A method may include delivering a first catheter to a location within an arterial vasculature of a subject. The location may include at least one of an internal carotid artery of the subject or a junction between an ophthalmic artery of the subject and the internal carotid artery of the subject. The method also may include moving a second catheter relative to the first catheter so as to reorient a direction of a distal opening of the second catheter, the second catheter being connected to the first catheter at a joint.Type: GrantFiled: July 24, 2020Date of Patent: September 19, 2023Assignee: J.D. FRANCO & CO., LLCInventors: Robert Vidlund, Michael Calhoun, Jeff Franco
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Patent number: 11701255Abstract: A method of treating an eye of a patient may include positioning an expandable strut structure within at least one of an internal carotid artery, an ophthalmic artery, or an ostium at a junction between the internal carotid artery and the ophthalmic artery. Additionally, the method may include directing blood flow towards the ophthalmic artery via a diverter element associated with the expandable strut structure.Type: GrantFiled: August 19, 2020Date of Patent: July 18, 2023Assignee: J.D. FRANCO & CO., LLCInventors: Robert Vidlund, Michael Calhoun, Jeff Franco
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Patent number: 11690985Abstract: A method of inducing retrograde blood flow may include extending a sheath through opposite walls of one of an artery and a vein of a subject and through a wall of the other of the artery and the vein such that a distal end of the sheath may be positioned within one of the artery and the vein. The method may include inducing retrograde blood flow in the artery and delivering the induced retrograde blood flow into the vein of the subject via the sheath.Type: GrantFiled: September 22, 2017Date of Patent: July 4, 2023Assignee: J.D. FRANCO & CO., LLCInventors: Michael Calhoun, Jeff Franco
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Patent number: 11654047Abstract: A method may include accessing a terminal branch of an ophthalmic artery through a face of a subject. Additionally, the method may include positioning a device within the ophthalmic artery of the subject and treating at least one of a blockage, a stenosis, a lesion, plaque or other physiology in at least one of the ophthalmic artery or a junction between an internal carotid artery and the ophthalmic artery.Type: GrantFiled: July 17, 2020Date of Patent: May 23, 2023Assignee: J.D. FRANCO & CO., LLCInventors: Michael Calhoun, Jeff Franco, Robert M. Vidlund
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Patent number: 11478249Abstract: A method may include positioning a first device within an internal carotid artery of a subject and impeding antegrade blood flow in the internal carotid artery. Additionally, the method may include delivering a pharmaceutical agent through an external carotid artery for passage into an ophthalmic artery of the subject.Type: GrantFiled: February 22, 2019Date of Patent: October 25, 2022Assignee: J.D. Franco & Co., LLCInventors: Robert Vidlund, Michael Calhoun
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Patent number: 11278389Abstract: A method for treating at least one of an ophthalmic artery or an ostium between the ophthalmic artery and an internal carotid artery of a subject may include delivering a microcatheter to a location within vasculature of the subject. The method may further include delivering a filter to a location within at least one of the ophthalmic artery or the ostium and transitioning the filter between a first delivery configuration and a second deployed configuration. Further, the method may include deploying a stent to a location within the internal carotid artery.Type: GrantFiled: December 7, 2017Date of Patent: March 22, 2022Assignee: J.D. Franco & Co., LLCInventors: Michael Calhoun, Jeff Franco, Kemal Schankereli
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Patent number: 11213659Abstract: A method may include inflating a first balloon within an internal carotid artery so as to block antegrade flow of blood into an ophthalmic artery. Additionally, the method may include maintaining antegrade flow of blood in the internal carotid artery via a perfusion lumen in the first balloon. Further, the method may include inserting a device into the ophthalmic artery via a lumen extending through a portion of the first balloon to a side opening in the first balloon.Type: GrantFiled: June 20, 2019Date of Patent: January 4, 2022Assignee: J.D. Franco & Co., LLCInventors: Robert Vidlund, Michael Calhoun
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Publication number: 20210169633Abstract: A method of treating an eye of a patient may include positioning an expandable strut structure within at least one of an internal carotid artery, an ophthalmic artery, or an ostium at a junction between the internal carotid artery and the ophthalmic artery. Additionally, the method may include directing blood flow towards the ophthalmic artery via a diverter element associated with the expandable strut structure.Type: ApplicationFiled: August 19, 2020Publication date: June 10, 2021Applicant: J.D. Franco & Co., LLCInventors: Robert VIDLUND, Michael Calhoun, Jeff Franco
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Publication number: 20210154446Abstract: A method may include accessing an artery in communication with an ophthalmic artery of a subject, and advancing a microcatheter along the accessed artery so as to align a distal end of the microcatheter with an ostium of the ophthalmic artery, wherein the microcatheter includes a lumen having a guidewire positioned therein. In addition, the method includes proximally withdrawing the guidewire relative to the microcatheter so as to enable a distal portion of the microcatheter to assume a curved relaxed configuration, and cannulating the ostium with the distal portion of the microcatheter when the distal portion is in the curved relaxed configuration.Type: ApplicationFiled: February 4, 2021Publication date: May 27, 2021Applicant: J.D. Franco & Co., LLCInventors: Michael CALHOUN, Stephen MICHAEL, Zachary Tegels
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Publication number: 20210145463Abstract: A method may include delivering a first catheter to a location within an arterial vasculature of a subject. The location may include at least one of an internal carotid artery of the subject or a junction between an ophthalmic artery of the subject and the internal carotid artery of the subject. The method also may include moving a second catheter relative to the first catheter so as to reorient a direction of a distal opening of the second catheter, the second catheter being connected to the first catheter at a joint.Type: ApplicationFiled: July 24, 2020Publication date: May 20, 2021Applicant: J.D. Franco & Co., LLCInventors: Robert Vidlund, Michael Calhoun, Jeff Franco
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Patent number: 10933226Abstract: A method may include accessing an artery in communication with an ophthalmic artery of a subject, and advancing a microcatheter along the accessed artery so as to align a distal end of the microcatheter with an ostium of the ophthalmic artery, wherein the microcatheter includes a lumen having a guidewire positioned therein. In addition, the method includes proximally withdrawing the guidewire relative to the microcatheter so as to enable a distal portion of the microcatheter to assume a curved relaxed configuration, and cannulating the ostium with the distal portion of the microcatheter when the distal portion is in the curved relaxed configuration.Type: GrantFiled: November 27, 2019Date of Patent: March 2, 2021Assignee: J.D. Franco & Co., LLCInventors: Michael Calhoun, Stephen Michael, Zachary Tegels
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Patent number: 10898212Abstract: A method for treating tissue of at least one of an internal carotid artery, an ophthalmic artery, or an ostium between the internal carotid artery and the ophthalmic artery of a subject may include expanding a first expandable device of a first device in the internal carotid artery. The method also may include delivering a second device in the ophthalmic artery via the first device and expanding a second expandable device of the second device in the ophthalmic artery. Further, the method may include adjusting a radial position of the second expandable device relative to the first expandable device.Type: GrantFiled: May 30, 2018Date of Patent: January 26, 2021Assignee: J.D. Franco & Co., LLCInventors: Michael Calhoun, Robert Vidlund
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Publication number: 20200345540Abstract: A method may include accessing a terminal branch of an ophthalmic artery through a face of a subject. Additionally, the method may include positioning a device within the ophthalmic artery of the subject and treating at least one of a blockage, a stenosis, a lesion, plaque or other physiology in at least one of the ophthalmic artery or a junction between an internal carotid artery and the ophthalmic artery.Type: ApplicationFiled: July 17, 2020Publication date: November 5, 2020Applicant: J.D. Franco & Co., LLCInventors: Michael Calhoun, Jeff Franco, Robert M. Vidlund
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Patent number: 10814109Abstract: A method may include accessing an artery in communication with an ophthalmic artery of a subject, and advancing a microcatheter along the accessed artery so as to align a distal end of the microcatheter with an ostium of the ophthalmic artery, wherein the microcatheter includes a lumen having a guidewire positioned therein. In addition, the method includes proximally withdrawing the guidewire relative to the microcatheter so as to enable a distal portion of the microcatheter to assume a curved relaxed configuration, and cannulating the ostium with the distal portion of the microcatheter when the distal portion is in the curved relaxed configuration.Type: GrantFiled: November 27, 2019Date of Patent: October 27, 2020Assignee: J.D. Franco & Co., LLCInventors: Michael Calhoun, Stephen Michael, Zachary Tegels