Solid drug tablets for implantable drug delivery devices
US11844856B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 21, 2021 |
| Grant date | Dec 19, 2023 |
| Priority date | — |
| Expiry date | Oct 8, 2041 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2202/06
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A drug dosage form is provided in the form of a solid tablet which is greater than 50% by weight the local anesthetic agent. The local anesthetic agent may be selected from the group consisting of an aminoamide, an aminoester, and a combination thereof. The drug tablet may be in the form of a mini-tablet which is greater than 70 wt % drug, with the balance being excipient. For example, the anesthetic agent may include lidocaine, in a salt or base form, combined with binder and lubricant excipients. Implantable drug delivery devices including the tablets are also provided, e.g., one or more of the drug tablets may be contained in a biocompatible housing. The drug tablets may be substantially cylindrical with flat end faces, and the device may have from 10 to 100 drug tablets aligned in the housing with the flat end faces of adjacent tablets abutting one another.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.