Liquid supply device and analytical test device
US6017494A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 24, 1998 |
| Grant date | Jan 25, 2000 |
| Priority date | — |
| Expiry date | Apr 24, 2018 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01L2400/0683
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A liquid supply device for transporting a liquid to a predetermined portion includes a liquid container for holding a liquid therein, which has an opening, a sealing sheet member which is impermeable but rupturable and seals the opening of the container, and an absorbent material which is capable of transporting the liquid by capillary action, the absorbent material being disposed on the sealing sheet member, out of contact with the liquid when the sealing sheet member is not ruptured, while when the sealing sheet member is ruptured and the absorbent material is brought into contact with the liquid, part of the absorbent material being continuously held within the liquid and transporting the liquid to the predetermined position. An analytical test device using the above liquid supply device is provided, which may be used, for instance, immunoassay.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.