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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0281179 (1994-07-27) |
발명자 / 주소 |
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출원인 / 주소 |
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인용정보 | 피인용 횟수 : 330 인용 특허 : 0 |
The invention relates to a method and system for monitoring pressure conditions in the fluid pressure upstream and downstream of an intravenous fluid administration system and to detect upstream and/or downstream occlusions. In addition, the invention incorporates a method for detecting pressure con
The invention relates to a method and system for monitoring pressure conditions in the fluid pressure upstream and downstream of an intravenous fluid administration system and to detect upstream and/or downstream occlusions. In addition, the invention incorporates a method for detecting pressure conditions at an upstream or downstream detector across the wall of the tubing to identify upstream or downstream occlusions, respectively. The present invention also relates to a process for determining the fluid pressure in a fluid tube across the tube wall where the normal tube force changes over time, and more particularly, using a normalization process to eliminate changes in the tubing resilience.
An occlusion detection system comprising: a fluid tube; an infusion pump, the fluid tube operatively engaged to the infusion pump, the infusion pump having an inlet valve, an expulsor valve and an outlet valve, the valves engaging the tube to force fluid through the tube at a baseline pressure, the
An occlusion detection system comprising: a fluid tube; an infusion pump, the fluid tube operatively engaged to the infusion pump, the infusion pump having an inlet valve, an expulsor valve and an outlet valve, the valves engaging the tube to force fluid through the tube at a baseline pressure, the valves further operative to create a normal negatively directed transient pressure condition less than the baseline pressure upstream of the pump during un-occluded operation: a pressure sensor connected to the fluid tube of the infusion pump for monitoring the negatively directed transient pressure; a control module connected to the sensor, the control module including means for detecting an absence of the negatively directed transient pressure in fluid tube; and an alarm module for signaling an upstream occlusion when the means for detecting indicates the negatively directed transient pressure condition is absent.
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