Composition for local anesthesia
AssigneeShowa Yakuhin Kako Co., Ltd.
InventorsMitsuhiro Haraguchi, Yoshihiko Kawasaki
Life of this patent
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Abstract
A composition for local anesthesia which comprises a local anesthetic such as lidocaine hydrochloride as an active ingredient and an agent for sustaining anesthetic action selected from the group consisting of antihistamines such as diphenhydramine hydrochloride or hydroxyzine hydrochloride, and does not substantially contain catecholamines such as epinephrine, which has increased durability of anesthetic action without using catecholamines, and is useful as a safe composition for local anesthesia for performing short-time dental operations such as tooth extraction or oral surgery operations.
Claims14
A composition for local anesthesia which comprises a local anesthetic as an active ingredient and an agent for sustaining anesthetic action selected from the group consisting of antihistamines, and does not substantially contain a catecholamine.
An agent for sustaining action of a local anesthetic selected from the group consisting of antihistamines.
Dependencies are inferred from the claim text.