Details for Patent: 5,834,489
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Title: | Methods and compositions for the treatment of pain utilizing ropivacaine |
Abstract: | Use of a pharmaceutically acceptable salt of ropivacaine for the manufacture of a pharmaceutical preparation with sensoric block and minimal motor blockade. |
Inventor(s): | Eek; Arne Torsten (Trosa, SE) |
Assignee: | AB Astra (SE) |
Filing Date: | May 05, 1997 |
Application Number: | 08/851,062 |
Claims: | 1. A method of treating a human so as to relieve pain with minimal motor blockade, said method comprising epidurally administering to said human a composition comprising a pharmaceutically acceptable salt of ropivacaine, wherein said ropivacaine is present in said composition at a concentration of less than 0.5% by weight. 2. The method of claim 1, wherein said ropivacaine is present in said composition at a concentration of between 0.01% and 0.45% by weight. 3. The method of claim 1, wherein said ropivacaine is present in said composition at a concentration of between 0.01% and 0.3% by weight. 4. The method of claim 1, wherein said ropivacaine is present in said composition at a concentration of about 0.25%. 5. The method of claim 1, wherein said ropivacaine is present in said composition at a concentration of about 0.3%. 6. The method of claim 1, wherein said pharmaceutically acceptable salt of ropivacaine is ropivacaine hydrochloride. 7. The method of any one of claims 1-6, wherein said composition is administered by continuous infusion. |