Lyophilization container and method of using same
US11634257B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 2, 2020 |
| Grant date | Apr 25, 2023 |
| Priority date | — |
| Expiry date | Sep 2, 2040 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61J1/2093
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Provided is a multi-part lyophilization container for lyophilizing a fluid, storing the lyophilizate, reconstituting the lyophilizate, and infusing the reconstituted lyophilizate into a patient, including a method of using same. The container includes a front surface, a back surface, a non-breathable section including a port region, a breathable section including a breathable membrane, and an occlusion zone encompassing a boundary between the non-breathable section and the breathable section. The non-breathable section is configured to accommodate any of a liquid, a solid, a gas or combination thereof. The breathable section is configured to accommodate only a gas. The method includes creating a temporary seal between the non-breathable section of the container and the breathable section, inputting a liquid into the non-breathable section, freezing the liquid, removing the temporary seal to allow vapor transport between the non-breathable section and the breathable section, and adding heat energy the frozen liquid under vacuum.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.