Multi-chamber bag
US8845611B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 16, 2008 |
| Grant date | Sep 30, 2014 |
| Priority date | — |
| Expiry date | Aug 21, 2029 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61J1/2024
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
There is provided a multi-chamber bag that is capable of securely checking a medicinal substance accommodated therein without the necessity to perform a troublesome work, while preventing a matter deteriorating the medicinal substance from reaching the inside of a medicinal-substance accommodation chamber and hence securely preventing the deterioration of the medicinal substance. In a multi-chamber bag having a bag body that has a strong seal part that joins two sheet members together to define an interior space of the bag body, and a weak seal part that joints the two sheet members together so as to be able to rupture them apart, thereby partitioning the interior space of the bag body into a medicinal-substance accommodation chamber and a diluting-solution accommodation chamber, a pair of cover sheets are provided to respectively cover the medicinal-substance accommodation chamber. Each of the cover sheets is jointed to the facing sheet member so as to form an outside seal part surrounding the medicinal-substance accommodation chamber. One of the cover sheets has a structure capable of absorbing adverse influence causing matters, and a communication part for communication between …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.