Pumping apparatus with secure loading features
First Claim
1. A pumping apparatus and pump set for use to deliver a supply of liquid to a patient, the pump set comprising a conduit for the liquid and a safety interlock device associated with the conduit, the pumping apparatus comprising:
- a pumping device operable to act on the pump set to drive flow of the liquid in the pump set;
a control system for controlling operation of the pumping device;
at least two electromagnetic radiation detecting sensors operatively connected to the control system of the pumping apparatus, a first of said sensors being positioned on the pumping apparatus for identifying the safety interlock device in a loaded position of the device and configured to send a signal to the control system indicating the safety interlock device is properly loaded on the pumping apparatus, and a second of said sensors being positioned on the pumping apparatus for detecting a fault condition associated with the positioning of the safety interlock device and configured to send a signal to the control system indicating the safety interlock device is not properly loaded on the pumping apparatus, the first sensor being configured to indicate that the safety interlock is properly loaded on the pumping apparatus only when electromagnetic radiation is detected by the first sensor and the second sensor being configured to indicate that the safety interlock is not properly loaded on the pumping device only when electromagnetic radiation is detected by the second sensor;
wherein said safety interlock device transmits infrared radiation through the safety interlock device and blocks visible light.
5 Assignments
0 Petitions
Accused Products
Abstract
A pumping apparatus and pump set for use to deliver a supply of liquid to a patient. The feeding set has a conduit for the nutrient liquid and a safety interlock device associated with the conduit. The pumping apparatus has a pumping device and a control system for controlling operation of the pump. An electromagnetic radiation source is operatively connected to the control system of the pump for emitting an electromagnetic radiation signal in a direction for striking the safety interlock device of the feeding set. The safety interlock device being adapted to affect the direction of the electromagnetic radiation. An electromagnetic radiation detector is operatively connected to the control system for receiving the electromagnetic radiation signal when the direction is affected by the safety interlock device, and provides an indication to the control system that the feeding set conduit is properly positioned in the feeding pump.
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Citations
7 Claims
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1. A pumping apparatus and pump set for use to deliver a supply of liquid to a patient, the pump set comprising a conduit for the liquid and a safety interlock device associated with the conduit, the pumping apparatus comprising:
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a pumping device operable to act on the pump set to drive flow of the liquid in the pump set; a control system for controlling operation of the pumping device; at least two electromagnetic radiation detecting sensors operatively connected to the control system of the pumping apparatus, a first of said sensors being positioned on the pumping apparatus for identifying the safety interlock device in a loaded position of the device and configured to send a signal to the control system indicating the safety interlock device is properly loaded on the pumping apparatus, and a second of said sensors being positioned on the pumping apparatus for detecting a fault condition associated with the positioning of the safety interlock device and configured to send a signal to the control system indicating the safety interlock device is not properly loaded on the pumping apparatus, the first sensor being configured to indicate that the safety interlock is properly loaded on the pumping apparatus only when electromagnetic radiation is detected by the first sensor and the second sensor being configured to indicate that the safety interlock is not properly loaded on the pumping device only when electromagnetic radiation is detected by the second sensor; wherein said safety interlock device transmits infrared radiation through the safety interlock device and blocks visible light. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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Specification