1. Articles from Himanshu N. Patel

    1-4 of 4
    1. MICRO-MOLDED Anamorphic Reflector Lens For Image Guided THERAPEUTIC/DIAGNOSTIC Catheters

      MICRO-MOLDED Anamorphic Reflector Lens For Image Guided THERAPEUTIC/DIAGNOSTIC Catheters

      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. The optical fiber and the lens assembly are together configured to provide a common path for optical radiation reflected from a target and from a reference interface between the distal end of the optical fiber and the lens assembly

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    2. Atherectomy Catheters And Occlusion Crossing Devices

      Atherectomy Catheters And Occlusion Crossing Devices

      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 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.

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    3. Occlusion-crossing devices, imaging, and atherectomy devices

      Occlusion-crossing devices, imaging, and atherectomy devices

      The present invention relates to: (1) guidewire support/placement catheters; (2) support/placement catheters with imaging; (3) atherectomy catheters, (4) atherectomy catheters with imaging, (5) occlusion crossing catheters, and (6) occlusion crossing catheters with imaging as well as methods for using them to treat disorders (and particularly peripheral artery disease) and systems including them.

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    4. Catheter system and method for boring through blocked vascular passages

      Catheter system and method for boring through blocked vascular passages
      A rotating cutting head catheter for passage through chronic total occlusions or other refractory atherosclerotic plaque from diseased arteries is disclosed. The catheter's rotating cutting head is designed to reside safely within an outer protective sheath when not in use. The outer protective sheath contains one or more helical grooves or slots, and the cutting head contains protruding blades or projections that fit into these helical grooves or slots. Application of torque to an inner catheter or wire attached to the cutting head applies spin to the cutting head, and the force of the sheath's helical grooves or ...
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    1-4 of 4
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    1. (4 articles) Avinger
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    Catheter system and method for boring through blocked vascular passages Occlusion-crossing devices, imaging, and atherectomy devices Atherectomy Catheters And Occlusion Crossing Devices MICRO-MOLDED Anamorphic Reflector Lens For Image Guided THERAPEUTIC/DIAGNOSTIC Catheters Both speckle reduction and contrast enhancement for optical coherence tomography via sequential optimization in the logarithmic domain based on a refined Retinex model OCT parameters of the optic nerve head and the retina as surrogate markers of brain volume in a normal population, a pilot study Choroidal vessel density in unilateral hyperopic amblyopia using en-face optical coherence tomography Association between food and nutrients intakes and coronary plaque vulnerability in patients with coronary heart disease: An optical coherence tomography study Optical Coherence Tomography based treatment approach for patients with Acute Coronary Syndrome Using OCT Fixation Shift to Assess Eccentric Fixation in Children With Residual Amblyopia Intraretinal microvascular changes after ERM and ILM peeling using SSOCTA Image sensor for spectral-domain optical coherence tomography on a chip