Intermittent fluid delivery apparatus and method
US5876370A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Nov 26, 1997 |
| Grant date | Mar 2, 1999 |
| Priority date | — |
| Expiry date | Nov 26, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S128/13
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An apparatus and method for delivering a fluid during a series of infusion intervals, consecutive infusion intervals being separated by a non-infusion interval, each infusion interval beginning at a predetermined time and having a first predetermined period, and each non-infusion interval beginning at a predetermined time and having a second predetermined period. The apparatus comprises a pump mechanism and circuitry operatively connected to the pump mechanism. The circuitry is configured so that, if the pump is disabled during one of the infusion intervals, the circuitry will determine the length of time the pump is disabled, interrupt the infusion interval while the pump is disabled, and delay the beginning of subsequent infusion and non-infusion intervals for a length of time approximately equal to the length of time the pump is disabled. If the pump is disabled and then enabled during the second predetermined period of one of the non-infusion intervals, begin the succeeding infusion interval at the predetermined beginning time.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.