CPC A61M 25/1002 (2013.01) [A61B 18/06 (2013.01); A61K 31/045 (2013.01); A61M 5/007 (2013.01); A61M 5/142 (2013.01); A61M 5/172 (2013.01); A61M 25/1011 (2013.01); A61M 29/02 (2013.01); A61B 2018/00577 (2013.01); A61M 2025/105 (2013.01); A61M 2025/1052 (2013.01); A61M 2202/02 (2013.01)] | 8 Claims |
1. A method for treating diabetes and obesity, the method comprising:
inserting a first delivery catheter that is a needle catheter or a needle-based catheter into a first treatment site in a common hepatic artery;
infusing a chemical formulation from a formulation infusion lumen of the first delivery catheter to a tissue of the body lumen at the first treatment site, wherein the chemical formulation infused is effective to injure and/or damage the tissue at the first treatment site;
withdrawing the first delivery catheter from the first treatment site;
inserting a second delivery catheter that is the same or different as the first delivery catheter and that is a needle catheter or a needle-based catheter into a second treatment site in the common hepatic artery, wherein the second treatment site is a different treatment site than the first treatment site;
infusing a chemical formulation from a formulation infusion lumen of the second delivery catheter to a tissue of the body lumen at the second treatment site, wherein the chemical formulation infused is effective to injure and/or damage the tissue at the second treatment site; and
withdrawing the second delivery catheter from the second treatment site;
wherein the injury and/or damage to the tissue at the first treatment site and to the tissue at the second treatment site is effective to have a benefit of relieving symptoms comprising reduction of HbA1c (A1c), glucose level, and body weight; and
wherein the first and/or second delivery catheter comprises a balloon around a circumference of a shaft and the formulation infusion lumen in the shaft that passes through a region of the shaft that comprises the balloon thereon.
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