Cassette for an infusion pump
US5993420A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 22, 1998 |
| Grant date | Nov 30, 1999 |
| Priority date | — |
| Expiry date | Jan 22, 2018 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2205/14
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A cassette which is adapted to be insertable into and removable from an infusion pump. The cassette has a housing, a length of flexible tubing supported by the housing, and a first vertically movable member disposed in the housing. The first vertically movable member has a slot formed therein, and a portion of the flexible tubing is disposed within the slot. The first vertically movable member is movable between a clamped position in which the flexible tubing is clamped to prevent any substantial liquid flow therethrough and an unclamped position in which substantial liquid flow through the flexible tubing is enabled, and a spring is provided for biasing the first vertically movable member to the clamped position. The first vertically movable member may be designed so that the closure of a door of an infusion pump in which the cassette is inserted will cause the vertically movable member to be in the unclamped position to allow liquid flow through the flexible tubing. The cassette may have means for maintaining the first vertically movable member in the unclamped position, such as a retaining pin. The cassette has a second vertically movable member with a first surface and a second…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.