US 12,310,769 B2
Method for performing angiography and angioplasty within lumen of a blood vessel
Rajeev Lochan, Dubai (AE)
Filed by Rajeev Lochan, Dubai (AE)
Filed on Sep. 10, 2020, as Appl. No. 17/016,645.
Prior Publication US 2022/0296183 A1, Sep. 22, 2022
Int. Cl. A61B 6/00 (2024.01); A61B 6/12 (2006.01); A61B 6/50 (2024.01); A61F 2/00 (2006.01); A61F 2/958 (2013.01); A61M 25/00 (2006.01); A61M 25/10 (2013.01); A61B 8/12 (2006.01)
CPC A61B 6/12 (2013.01) [A61B 6/481 (2013.01); A61B 6/504 (2013.01); A61F 2/958 (2013.01); A61M 25/104 (2013.01); A61B 8/12 (2013.01); A61M 2025/1079 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A method for performing angiography and angioplasty within a lumen of a blood vessel, the method comprising:
moving a soft angiography balloon threaded on an angiography guide wire towards a target site within a lumen of a blood vessel using the support of a guide catheter, wherein the soft angiography balloon is configured to fully inflate via a contrast agent disposed therein such that the soft angiography balloon conforms to an internal shape of the lumen without compressing or altering the internal shape, wherein the soft angiography balloon is configured to fully retain the contrast agent such that no contrast agent contacts an external surface of the soft angiography balloon or the blood vessel;
inflating, with the contrast agent, the soft angiography balloon at a first position of the target site, wherein the soft angiography balloon conforms to the internal shape at the first position;
recording, at the first position, one or more angiographic pictures of the internal shape;
in response to recording the one or more angiographic pictures, deflating the soft angiography balloon;
advancing the deflated soft angiography balloon towards a second position at the target site;
re-inflating, with the contrast agent, the soft angiography balloon at the second position such that the soft angiography balloon conforms to the internal shape at the second position;
recording two or more angiographic pictures of the internal shape at the second position;
advancing, on an angioplasty guide wire that is independent from the angiography guide wire, an angioplasty balloon towards the target site based on the angiographic pictures recorded at at least one of the first position and the second position, wherein the angioplasty balloon comprises a high-pressure semi-compliant balloon that is entirely physically separate from the soft angiography balloon, wherein no contrast agent contacts an external surface of the angioplasty balloon;
re-positioning the soft angiography balloon around the target site to determine an ideal position for the angioplasty balloon; and
performing, via the angioplasty balloon, angioplasty at the ideal position.