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Claims for Patent: 6,872,390

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Claims for Patent: 6,872,390

Title: Local anesthetic methods and kits
Abstract:Methods of reversing local anesthesia are disclosed. The methods comprise administering a local anesthetic and alpha adrenergic receptor agonist to induce local anesthesia followed by reversing anesthesia with a low dose of an alpha adrenergic receptor antagonist. Also disclosed are kits comprising a local anesthetic, an alpha adrenergic receptor agonist and a low dose of an alpha adrenergic receptor antagonist.
Inventor(s): Weber; Eckard (San Diego, CA), Katz; Howard I. (La Jolla, CA)
Assignee: Novalar Pharmaceuticals, Inc. (DE)
Application Number:10/155,020
Patent Claims: 1. A solution comprising phentolamine mesylate at a concentration of from about 0.001 mg/ml to about 0.25 mg/ml, wherein said solution is effective to reverse anesthesia in an animal caused by previous administration of an anesthetic agent and an alpha adrenergic receptor agonist, said solution being present in a container that fits into a standard dental local anesthetic syringe.

2. The solution of claim 1, wherein said phentolamine mesylate is present at a concentration of from about 0.05 mg/ml to about 0.1 mg/ml.

3. The solution of claim 1, wherein said container comprises a dose of phentolamine mesylate at or below about 0.25 mg.

4. The solution of claim 3, wherein said dose is at or below about 0.1 mg.

5. The solution of claim 4, wherein said dose is about 0.08 mg.

6. The solution of claim 4, wherein said dose is about 0.032 mg.

7. The solution of claim 1, wherein said container is a CARPULE.

8. The solution of claim 1, wherein said container has a volume of between 1.6 and 1.8 ml.

9. The solution of claim 1, wherein said phentolamine mesylate is at a concentration of about 0.05 mg/ml to about 0.25 mg/ml.

10. The solution of claim 1, wherein said phentolamine mesylate is at a concentration of about 0.25 mg/ml.

11. The solution of claim 1, wherein said container comprises a dose of phentolamine mesylate of between about 0.0018 mg to about 0.45 mg.

12. The solution of claim 1, wherein said dose is between about 0.09 mg to about 0.45 mg.
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