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US 2008/0176948 A1Published application
Topical Anesthetic for Rapid Local Anesthesia and Method of Applying a Topical Anesthetic
AssigneeDermWorx Incorporated
InventorsDavid M. Cohen, Eugene R. Cooper
Life of this patent
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Abstract
A topical anesthetic for rapid local anesthesia is provided. The topical anesthetic includes an anesthetic, volatile and non-volatile solvents, and a thickener. In addition, a method is taught for applying the topical anesthetic to the face of a patient without occlusion. The anesthetic is applied topically to an area for injection such that the dermatological procedure (cosmetic injections) can be performed in fifteen minutes.
Claims30
A topical anesthetic for rapid local anesthesia, comprising:
- an anesthetic;
- a volatile solvent;
- and
- a non-volatile solvent.
1 more element
A topical anesthetic, comprising:
- 4% by weight lidocaine;
- 4% by weight propylene glycol;
- 4% by weight oleyl alcohol;
- 3% by weight hydroxypropylcellulose;
- 17% by weight polydimethysiloxane;
- and
- 68% by weight isopropyl alcohol.
4 more elements
Dependencies are inferred from the claim text.