Patents by Inventor Anthony J. Fernandez
Anthony J. Fernandez 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).
-
Patent number: 11957376Abstract: An atherectomy catheter device includes an elongate body, a drive shaft extending proximally to distally within the elongate body, and a cutter attached to the drive shaft. The cutter includes a serrated annular cutting edge formed on a distal edge of the cutter and a recessed bowl extending radially inwards from the annular cutting edge to a center of the cutter. The recessed bowl has a first curvature. The cutter further includes a plurality of grinding segments extending inwardly from the distal edge within the bowl. Each of the plurality of segments has a second curvature that is different from the first curvature.Type: GrantFiled: August 1, 2022Date of Patent: April 16, 2024Assignee: Avinger, Inc.Inventors: Himanshu N. Patel, Richard R. Newhauser, Anthony J. Fernandez, Vincent Yeh
-
Publication number: 20230157718Abstract: An atherectomy catheter device includes an elongate body, a drive shaft extending proximally to distally within the elongate body, and a cutter attached to the drive shaft. The cutter includes a serrated annular cutting edge formed on a distal edge of the cutter and a recessed bowl extending radially inwards from the annular cutting edge to a center of the cutter. The recessed bowl has a first curvature. The cutter further includes a plurality of grinding segments extending inwardly from the distal edge within the bowl. Each of the plurality of segments has a second curvature that is different from the first curvature.Type: ApplicationFiled: August 1, 2022Publication date: May 25, 2023Inventors: Himanshu N. Patel, Richard R. NEWHAUSER, Anthony J. FERNANDEZ, Vincent YEH
-
Publication number: 20220273336Abstract: An atherectomy catheter includes an elongate catheter body, a cutter at a distal end of the catheter body, and a nosecone attached to a distal end of the catheter body. The cutter is configured to excise tissue from the body. The nosecone is configured to hold tissue excised from the cutter. The nosecone includes a distal section, a proximal section, and a connection mechanism that is configured to allow the distal section to attach and detach from the proximal section during use. The distal section includes a plug configured to sit within an inner diameter of the proximal section when the proximal section is connected to the distal section.Type: ApplicationFiled: May 18, 2022Publication date: September 1, 2022Inventors: Anthony J. FERNANDEZ, Richard R. NEWHAUSER, Himanshu N. PATEL
-
Patent number: 11399863Abstract: An atherectomy catheter device includes an elongate body, a drive shaft extending proximally to distally within the elongate body, and a cutter attached to the drive shaft. The cutter includes a serrated annular cutting edge formed on a distal edge of the cutter and a recessed bowl extending radially inwards from the annular cutting edge to a center of the cutter. The recessed bowl has a first curvature. The cutter further includes a plurality of grinding segments extending inwardly from the distal edge within the bowl. Each of the plurality of segments has a second curvature that is different from the first curvature.Type: GrantFiled: October 1, 2018Date of Patent: August 2, 2022Assignee: Avinger, Inc.Inventors: Himanshu N. Patel, Richard R. Newhauser, Anthony J. Fernandez, Vincent Yeh
-
Publication number: 20220168011Abstract: An atherectomy catheter includes an elongate flexible catheter body, a cutter near the distal end of the catheter body, a drive shaft connected to the cutter and extending within the catheter body, an imaging element near the distal end of the catheter body.Type: ApplicationFiled: February 17, 2022Publication date: June 2, 2022Inventors: Himanshu N. PATEL, John B. SIMPSON, Anthony J. FERNANDEZ, Richard R. NEWHAUSER, Priyanshu GUPTA, Michael ZUNG, Wendy Ngo LAM, Maegan K. SPENCER, Peter Howard SMITH, Stephen C. DAVIES, Nicholas J. SPINELLI, Charles W. MCNALL, Theodore W. KETAI, Manish KANKARIA, Mark W. ASKEW, Kent C.B. STALKER
-
Patent number: 11344327Abstract: An atherectomy catheter includes an elongate catheter body, a cutter at a distal end of the catheter body, and a nosecone attached to a distal end of the catheter body. The cutter is configured to excise tissue from the body. The nosecone is configured to hold tissue excised from the cutter. The nosecone includes a distal section, a proximal section, and a connection mechanism that is configured to allow the distal section to attach and detach from the proximal section during use. The distal section includes a plug configured to sit within an inner diameter of the proximal section when the proximal section is connected to the distal section.Type: GrantFiled: June 1, 2017Date of Patent: May 31, 2022Assignee: Avinger, Inc.Inventors: Anthony J. Fernandez, Richard R. Newhauser, Himanshu N. Patel
-
Patent number: 11284916Abstract: An atherectomy catheter includes an elongate flexible catheter body, a cutter near the distal end of the catheter body, a drive shaft connected to the cutter and extending within the catheter body, an imaging element near the distal end of the catheter body.Type: GrantFiled: November 12, 2019Date of Patent: March 29, 2022Assignee: Avinger, Inc.Inventors: Himanshu N. Patel, John B. Simpson, Anthony J. Fernandez, Richard R. Newhauser, Priyanshu Gupta, Michael Zung, Wendy Ngo Lam, Maegan K. Spencer, Peter Howard Smith, Stephen C. Davies, Nicholas J. Spinelli, Charles W. McNall, Theodore W. Ketai, Manish Kankaria, Mark W. Askew, Kent C. B. Stalker
-
Publication number: 20220071656Abstract: An atherectomy catheter for use in a vessel includes an elongate catheter body and an annular cutter. The elongate catheter body includes a fixed jog section with a pre-set curvature and a flexible section that has a greater flexibility than a remainder of the elongate catheter body. The fixed jog section and flexible section are formed of a frame including a plurality of circumferential slits therein. Also described herein is an atherectomy catheter for use in a vessel includes an elongate catheter body, an annular cutter, and an s-shaped curved portion in the elongate catheter body. The curved portion includes a frame having a longitudinal proximal spine and a longitudinal distal spine. The longitudinal proximal spine is positioned approximately 180 degrees away from the longitudinal distal spine.Type: ApplicationFiled: November 18, 2021Publication date: March 10, 2022Inventors: Himanshu N. PATEL, Anthony J. FERNANDEZ, Vincent YEH
-
Patent number: 11224459Abstract: An atherectomy catheter for use in a vessel includes an elongate catheter body and an annular cutter. The elongate catheter body includes a fixed jog section with a pre-set curvature and a flexible section that has a greater flexibility than a remainder of the elongate catheter body. The fixed jog section and flexible section are formed of a frame including a plurality of circumferential slits therein. Also described herein is an atherectomy catheter for use in a vessel includes an elongate catheter body, an annular cutter, and an s-shaped curved portion in the elongate catheter body. The curved portion includes a frame having a longitudinal proximal spine and a longitudinal distal spine. The longitudinal proximal spine is positioned approximately 180 degrees away from the longitudinal distal spine.Type: GrantFiled: June 30, 2017Date of Patent: January 18, 2022Assignee: Avinger, Inc.Inventors: Himanshu N. Patel, Anthony J. Fernandez, Vincent Yeh
-
Publication number: 20200323553Abstract: An atherectomy catheter includes an elongate catheter body, a cutter at a distal end of the catheter body, and a nosecone attached to a distal end of the catheter body. The cutter is configured to excise tissue from the body. The nosecone is configured to hold tissue excised from the cutter. The nosecone includes a distal section, a proximal section, and a connection mechanism that is configured to allow the distal section to attach and detach from the proximal section during use. The distal section includes a plug configured to sit within an inner diameter of the proximal section when the proximal section is connected to the distal section.Type: ApplicationFiled: June 1, 2017Publication date: October 15, 2020Inventors: Anthony J. FERNANDEZ, Richard R. NEWHAUSER, Himanshu N. PATEL
-
Publication number: 20200315654Abstract: An atherectomy catheter includes an elongate flexible catheter body, a cutter near the distal end of the catheter body, a drive shaft connected to the cutter and extending within the catheter body, an imaging element near the distal end of the catheter body.Type: ApplicationFiled: November 12, 2019Publication date: October 8, 2020Inventors: Himanshu N. PATEL, John B. SIMPSON, Anthony J. FERNANDEZ, Richard R. NEWHAUSER, Priyanshu GUPTA, Michael ZUNG, Wendy Ngo LAM, Maegan K. SPENCER, Peter Howard SMITH, Stephen C. DAVIES, Nicholas J. SPINELLI, Charles W. MCNALL, Theodore W. KETAI, Manish KANKARIA, Mark W. ASKEW, Kent C.B. STALKER
-
Patent number: 10568655Abstract: Atherectomy catheters and methods of using them are described herein. In particular, described herein are optical coherence tomography (OCT) catheters that may include a distal tip that can be deflected away from the long axis of the device using a multi-channel bushing. The bushing may include at a hinge point that is offset (e.g., located on a side of the elongate body near the distal end of the elongate body) and a rotatable cutter near an imaging assembly that can be driven against the wall with a high mechanical advantage.Type: GrantFiled: March 13, 2017Date of Patent: February 25, 2020Assignee: Avinger, Inc.Inventors: John B. Simpson, Himanshu N. Patel, Anthony J. Fernandez, Richard R. Newhauser
-
Publication number: 20190209206Abstract: An atherectomy catheter for use in a vessel includes an elongate catheter body and an annular cutter. The elongate catheter body includes a fixed jog section with a pre-set curvature and a flexible section that has a greater flexibility than a remainder of the elongate catheter body. The fixed jog section and flexible section are formed of a frame including a plurality of circumferential slits therein. Also described herein is an atherectomy catheter for use in a vessel includes an elongate catheter body, an annular cutter, and an s-shaped curved portion in the elongate catheter body. The curved portion includes a frame having a longitudinal proximal spine and a longitudinal distal spine. The longitudinal proximal spine is positioned approximately 180 degrees away from the longitudinal distal spine.Type: ApplicationFiled: June 30, 2017Publication date: July 11, 2019Inventors: Himanshu N. PATEL, Anthony J. FERNANDEZ, Vincent YEH
-
Publication number: 20190029714Abstract: An atherectomy catheter device includes an elongate body, a drive shaft extending proximally to distally within the elongate body, and a cutter attached to the drive shaft. The cutter includes a serrated annular cutting edge formed on a distal edge of the cutter and a recessed bowl extending radially inwards from the annular cutting edge to a center of the cutter. The recessed bowl has a first curvature. The cutter further includes a plurality of grinding segments extending inwardly from the distal edge within the bowl. Each of the plurality of segments has a second curvature that is different from the first curvature.Type: ApplicationFiled: October 1, 2018Publication date: January 31, 2019Inventors: Himanshu N. PATEL, Richard R. NEWHAUSER, Anthony J. FERNANDEZ, Vincent YEH
-
Publication number: 20170273711Abstract: Atherectomy catheters and methods of using them are described herein. In particular, described herein are optical coherence tomography (OCT) catheters that may include a distal tip that can be deflected away from the long axis of the device using a multi-channel bushing. The bushing may include at a hinge point that is offset (e.g., located on a side of the elongate body near the distal end of the elongate body) and a rotatable cutter near an imaging assembly that can be driven against the wall with a high mechanical advantage.Type: ApplicationFiled: March 13, 2017Publication date: September 28, 2017Inventors: John B. SIMPSON, Himanshu N. PATEL, Anthony J. FERNANDEZ, Richard R. NEWHAUSER
-
Patent number: 9687233Abstract: A surgical stapling device is configured for use in open and/or laparoscopic surgical procedures. The device includes a handle assembly, a shaft assembly coupled to the handle assembly, and an end-effector coupled to the shaft assembly. The end-effector comprises of a jaw assembly configured to clamp, staple, and/or cut a target tissue. The handle assembly comprises of a trigger element that can activate a drive assembly to advance a deployment assembly to staple and/or cut the aforementioned target tissue. The deployment assembly comprises of a deployment slide member to either advance the deployment assembly in a first direction or retreat the deployment assembly in a second direction.Type: GrantFiled: May 7, 2014Date of Patent: June 27, 2017Assignee: Dextera Surgical Inc.Inventors: Anthony J. Fernandez, Bryan D. Knodel
-
Patent number: 9592075Abstract: Atherectomy catheters and methods of using them are described herein. In particular, described herein are optical coherence tomography (OCT) catheters that may include a distal tip that can be deflected away from the long axis of the device using a multi-channel bushing. The bushing may include at a hinge point that is offset (e.g., located on a side of the elongate body near the distal end of the elongate body) and a rotatable cutter near an imaging assembly that can be driven against the wall with a high mechanical advantage.Type: GrantFiled: March 16, 2016Date of Patent: March 14, 2017Assignee: Avinger, Inc.Inventors: John B. Simpson, Himanshu N. Patel, Anthony J. Fernandez, Richard R. Newhauser
-
Publication number: 20160192962Abstract: Atherectomy catheters and methods of using them are described herein. In particular, described herein are optical coherence tomography (OCT) catheters that may include a distal tip that can be deflected away from the long axis of the device using a multi-channel bushing. The bushing may include at a hinge point that is offset (e.g., located on a side of the elongate body near the distal end of the elongate body) and a rotatable cutter near an imaging assembly that can be driven against the wall with a high mechanical advantage.Type: ApplicationFiled: March 16, 2016Publication date: July 7, 2016Inventors: John B. SIMPSON, Himanshu N. PATEL, Anthony J. FERNANDEZ, Richard R. NEWHAUSER
-
Publication number: 20140332578Abstract: A surgical stapling device is configured for use in open and/or laparoscopic surgical procedures. The device includes a handle assembly, a shaft assembly coupled to the handle assembly, and an end-effector coupled to the shaft assembly. The end-effector comprises of a jaw assembly configured to clamp, staple, and/or cut a target tissue. The handle assembly comprises of a trigger element that can activate a drive assembly to advance a deployment assembly to staple and/or cut the aforementioned target tissue. The deployment assembly comprises of a deployment slide member to either advance the deployment assembly in a first direction or retreat the deployment assembly in a second direction.Type: ApplicationFiled: May 7, 2014Publication date: November 13, 2014Applicant: Cardica, Inc.Inventors: Anthony J. Fernandez, Bryan D. Knodel
-
Publication number: 20130277410Abstract: A surgical stapling and cutting device is constructed with a knife safety lockout element to prevent a knife element from cutting tissue if staples cannot be applied first to the tissue prior to being cut. The surgical stapling and cutting device comprises of a staple holder for holding a staple cartridge, an anvil movably coupled to the staple holder for opposing and deforming staples, a knife safety lockout element for blocking a knife element from being deployed, and a safety spring element for activating or biasing the knife safety lockout element into an active state to block the knife element from being deployed.Type: ApplicationFiled: April 10, 2013Publication date: October 24, 2013Applicant: Cardica, Inc.Inventors: Anthony J. Fernandez, Bryan D. Knodel, Jinhoon Park