64 patents
Utility
Optical coherence tomography for biological imaging
12 Dec 23
Described herein are catheters for use with Optical Coherence Tomography (OCT) that include an optical fiber core having a first refractive index and an interface medium having a second refractive index, where the first and second refractive indexes are mismatched such that receiving electronics configured to receive optical radiation reflected from the reference interface and the target operate in a total noise range that is within 5 dB of the shot noise limit.
John F. Black, Maegan K. Spencer, Michael Zung, Charles W. McNall, Evangeline Lumabas, Michael H. Rosenthal, John B. Simpson
Filed: 22 Feb 22
Utility
Occlusion-crossing devices
24 Oct 23
A catheter system includes a catheter that includes an outer shaft and a rotatable inner shaft having a drill tip.
Himanshu N. Patel
Filed: 6 Oct 20
Utility
Atherectomy Catheter with Laterally-displaceable Tip
19 Oct 23
Described herein are atherectomy catheters, systems and methods that include a distal tip region that may be moved laterally so that its long axis is parallel with the long axis of the main catheter body axis.
Michael H. ROSENTHAL, Michael ZUNG, Nicholas J. SPINELLI, Charles W. MCNALL, John B. SIMPSON, John F. BLACK
Filed: 20 Jun 23
Utility
Optical pressure sensor assembly
15 Aug 23
Optical pressure sensor assemblies that can be used with existing catheters and imaging systems.
Peter H. Smith, Manish Kankaria
Filed: 1 Mar 21
Utility
Atherectomy catheter with laterally-displaceable tip
8 Aug 23
Described herein are atherectomy catheters, systems and methods that include a distal tip region that may be moved laterally so that its long axis is parallel with the long axis of the main catheter body axis.
Michael H. Rosenthal, Michael Zung, Nicholas J. Spinelli, Charles W. McNall, John B. Simpson, John F. Black
Filed: 20 Aug 18
Utility
Micro-molded Anamorphic Reflector Lens for Image Guided Therapeutic/diagnostic Catheters
20 Jul 23
A catheter system for optical coherence tomography includes an elongate catheter body, an optical fiber in the elongate catheter body, and an anamorphic lens assembly coupled with a distal end of the optical fiber.
Himanshu N. PATEL, Manish KANKARIA, Kin F. CHAN
Filed: 14 Mar 23
Utility
Atherectomy Catheter with Serrated Cutter
25 May 23
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.
Himanshu N. Patel, Richard R. NEWHAUSER, Anthony J. FERNANDEZ, Vincent YEH
Filed: 1 Aug 22
Utility
Optical coherence tomography with graded index fiber for biological imaging
16 May 23
A system for optical coherence tomography includes a source of optical radiation, an optical fiber, and a graded index fiber attached to a distal end of the optical fiber.
Manish Kankaria
Filed: 22 Mar 21
Utility
Micro-molded anamorphic reflector lens for image guided therapeutic/diagnostic catheters
18 Apr 23
A catheter system for optical coherence tomography includes an elongate catheter body, an optical fiber in the elongate catheter body, and an anamorphic lens assembly coupled with a distal end of the optical fiber.
Himanshu N. Patel, Manish Kankaria, Kin F. Chan
Filed: 14 Jun 21
Utility
Occlusion-crossing Devices
3 Nov 22
A catheter system includes a catheter that includes an outer shaft and a rotatable inner shaft having a drill tip.
Himanshu N. PATEL
Filed: 6 Oct 20
Utility
Atherectomy Catheter with Shapeable Distal Tip
13 Oct 22
An atherectomy catheter for use in a vessel includes a catheter and a rotatable cutter.
Himanshu N. PATEL, Michael ZUNG
Filed: 16 Oct 20
Utility
Atherectomy Catheter
1 Sep 22
Described herein are atherectomy catheters, systems and methods that include longitudinally displaceable drive shafts that drive actuation of one or more cutters at the distal end of the catheter.
Himanshu N. PATEL, John B. SIMPSON, Charles W. McNALL, Maegan K. SPENCER, Michael ZUNG, Priyanshu GUPTA, Nicholas J. SPINELLI, Myra L. FABRO, Eduardo SUCGANG, Theodore W. KETAI
Filed: 20 May 22
Utility
Catheter Device with Detachable Distal End
1 Sep 22
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.
Anthony J. FERNANDEZ, Richard R. NEWHAUSER, Himanshu N. PATEL
Filed: 18 May 22
Utility
Atherectomy catheters with imaging
9 Aug 22
An atherectomy catheter includes an elongate flexible catheter body, an elongate deflectable distal tip coupled to the catheter body at a hinge point, a rotatable cutter near the distal end of the catheter body, and a drive shaft extending within the catheter body and configured to rotate the cutter.
Priyanshu Gupta, Michael Zung, Charles W. McNall, Himanshu N. Patel, Christina Van
Filed: 15 Mar 13
Utility
Optical Coherence Tomography for Biological Imaging
4 Aug 22
Described herein are catheters for use with Optical Coherence Tomography (OCT) that include an optical fiber core having a first refractive index and an interface medium having a second refractive index, where the first and second refractive indexes are mismatched such that receiving electronics configured to receive optical radiation reflected from the reference interface and the target operate in a total noise range that is within 5 dB of the shot noise limit.
John F. BLACK, Maegan K. SPENCER, Michael ZUNG, Charles W. MCNALL, Evangeline LUMABAS, Michael H. ROSENTHAL, John B. SIMPSON
Filed: 22 Feb 22
Utility
Atherectomy catheter with serrated cutter
2 Aug 22
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.
Himanshu N. Patel, Richard R. Newhauser, Anthony J. Fernandez, Vincent Yeh
Filed: 1 Oct 18
Utility
Atherectomy catheter
12 Jul 22
Described herein are atherectomy catheters, systems and methods that include longitudinally displaceable drive shafts that drive actuation of one or more cutters at the distal end of the catheter.
Himanshu N. Patel, John B. Simpson, Charles W. McNall, Maegan K. Spencer, Michael Zung, Priyanshu Gupta, Nicholas J. Spinelli, Myra L. Fabro, Eduardo Sucgang, Theodore W. Ketai
Filed: 2 Jul 19
Utility
Atherectomy Catheter Drive Assemblies
16 Jun 22
A drive assembly for driving an imaging catheter has a rotatable fiber and a rotatable drive shaft.
Brian Y. TACHIBANA, Charles W. McNALL, Michael ZUNG, Peter Howard SMITH, Brian CHIU, Douglas Joseph Scott BOURNE, Priyanshu GUPTA
Filed: 22 Dec 21
Utility
Atherectomy Catheters and Occlusion Crossing Devices
2 Jun 22
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.
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
Filed: 17 Feb 22
Utility
Catheter device with detachable distal end
31 May 22
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.
Anthony J. Fernandez, Richard R. Newhauser, Himanshu N. Patel
Filed: 1 Jun 17