IP Library › Granted Patent US 12,193,731
Granted Patent B2
US 12,193,731 · App. 18/144,368 · Granted Jan 14, 2025

Chemical ablation formulations and methods of treatments for various diseases

Inventor: Lixiao Wang (Henderson, NV)
Assignee: Neurotronic, Inc.
A61B18/1492A61B18/0218A61B18/18A61B18/1815A61B18/24A61K49/0438A61M25/10A61N7/00A61B2018/00285A61B2018/00345A61B2018/00482A61B2018/00541A61B2018/00577A61B2018/00994A61B2018/0212A61F2007/0063A61F2007/0091A61F2007/126A61K47/10A61K47/12A61K47/14A61M25/1011A61M2025/1052A61N2007/0043
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Quick Facts
Patent No.
US 12,193,731
App. No.
18/144,368
Granted
Jan 14, 2025
Kind
B2
Abstract

Embodiments of the present invention are directed to the treatment of hypertension, diabetes, obesity, heart failure, end-stage renal disease, digestive disease, urological disease, cancers, tumors, pains, asthma, pulmonary arterial hypertension, and chronic obstructive pulmonary disease by delivering of an effective amount of formulations at desired temperature to target tissue. The formulations include gases, vapors, liquids, solutions, emulsions and suspensions of one or more ingredients. The temperature may enhance safety and efficacy of the formulations for the treatments. The amounts of the formulation and/or energy are effective to injury or damage the tissues to have a benefit of symptom relive.

Claims (28)

1. A method of treating diseases comprising hypertension and diabetes, the method comprising:

inserting a delivery catheter into a vascular lumen adjacent to a nerve;

delivering energy from the delivery catheter adjacent to the nerve, wherein the energy is chosen from radiofrequency, cryoablation, microwave, laser, ultrasound, high intensity focused ultrasound, and combinations thereof;

infusing a chemical formulation at a temperature and at a pressure from the delivery catheter adjacent to the nerve, wherein the chemical formulation is at least one of 10 wt % to 100 wt % ethanol and 1 wt % to 100 wt % acetic acid, wherein an amount of the chemical formulation delivered in combination with the amount of energy delivered is effective to injure or damage the nerve to have a benefit of relieving symptoms of the diseases; and

withdrawing the delivery catheter from the body lumen;

wherein the diseases comprise hypertension and diabetes.

2. The method of claim 1 , wherein the diseases further comprise obesity.

3. The method of claim 1 , wherein the diseases further comprise heart failure.

4. The method of claim 1 , wherein the diseases further comprise pulmonary arterial hypertension.

5. The method of claim 1 , wherein the vascular lumen comprises a renal artery.

6. The method of claim 1 , wherein the method is performed with the vascular lumen comprising a renal artery and is performed again with the vascular lumen comprising a different vascular lumen.

7. The method of claim 1 , wherein the energy delivered adjacent to the nerve is sufficient to bring the temperature adjacent to the nerve to a range of −40° C. to 140° C., and/or wherein the energy delivered from a chemical formulation adjacent to the nerve is in an amount from about 2 cal/g to about 150 cal/g.

8. The method of claim 1 , wherein the delivery catheter is a needle-based delivery catheter.

9. The method of claim 1 , wherein the delivery catheter is a balloon delivery catheter comprising a balloon disposed along an elongated shaft, wherein the method further comprises:

inflating the balloon after inserting and before the delivering of the energy and chemical formulation; and

deflating the balloon after the delivering of the energy and chemical formulation and before the withdrawing.

10. The method of claim 9 , wherein the balloon has a diameter in an inflated state in a range of from 2 millimeters to 30 millimeters.

11. The method of claim 9 , wherein the balloon delivery catheter further comprises a marker band located distally of the balloon.

12. The method of claim 9 , wherein the balloon comprises a material chosen from a polyamide, a nylon, a polyether block amide, a polyester, a polyethylene terephthalate, a polyurethane, a copolymer thereof, and a mixture thereof.

13. The method of claim 1 , wherein the chemical formulation comprises at least one of a gas, vapor, liquid, solution, and an emulsion and/or suspension of one or more ingredients.

14. The method of claim 1 , wherein the temperature of the chemical formulation is in the range of −40° C. to 140° C., and wherein the pressure of the formulation is in the range of 1 to 12 ATM.

15. The method of claim 1 , wherein infusion of the chemical formulation from the delivery catheter adjacent to the nerve is effective to decrease the temperature of the vascular lumen adjacent to the nerve.

16. A method of treating diseases comprising hypertension and diabetes, the method comprising:

inserting a delivery catheter into a vascular lumen adjacent to a nerve;

delivering energy from the delivery catheter adjacent to the nerve, wherein the energy is chosen from radiofrequency, cryoablation, microwave, laser, ultrasound, high intensity focused ultrasound, and combinations thereof;

infusing a chemical formulation at a temperature and at a pressure from the delivery catheter adjacent to the nerve, wherein the chemical formulation is 100 wt % ethanol, wherein an amount of the chemical formulation delivered in combination with the amount of energy delivered is effective to injure or damage the nerve to have a benefit of relieving symptoms of the diseases; and

withdrawing the delivery catheter from the body lumen;

wherein the diseases comprise hypertension and diabetes.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 9, 2023
From: WANG, LIXIAO
To: NEUROTRONIC, INC.
Reel/Frame 063573/0394 →
Continuity (8)
Continuation 16563192 · Sep 6, 2019
Continuation 16419587 · May 22, 2019
Continuation 14438411
Provisional Application 61849928 · Feb 5, 2013
Provisional Application 61848483 · Jan 4, 2013
Provisional Application 61797647 · Dec 12, 2012
Provisional Application 61796118 · Nov 2, 2012
Related Publication 20230270489A1 · Aug 31, 2023
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