Compositions and method for the reduction of post-operative pain
US8603528B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jul 25, 2006 |
| Grant date | Dec 10, 2013 |
| Priority date | — |
| Expiry date | Jan 3, 2032 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K47/10
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
At least three component, body-implantable, absorbable, biocompatible, putty, and non-putty pain-relieving compositions for use in surgery comprising in intimate admixture: an analgesic having local pain-relieving activity for internal relief of pain, a finely powdered bulking material, preferably less than 50 microns, e.g. the metal salts of fatty acid, hydroxyapatite, DBM, polyglycolide, polylactide, polycaprolactones, absorbable glasses, gelatin, collagens, mono, and polysaccharides starches.An organic liquid capable of solubilizing, dispensing or suspending the analgesic, such as esters of monohydric alcohols with aliphatic monocarboxylic acids; C2-C18 monohydric alcohols with polycarboxylic acids; C8-C30 monohydric alcohols; tocopherol and esters thereof with mono or polycarboxylic acids; free carboxylic acids such as oleic, capric, and lauric; dialkyl ethers and ketones; polyhydroxy compounds and esters and ethers thereof; random or block copolymers of ethylene oxide and propylene oxide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.