초록 ▼

A system for delivering a drug to a patient according to the preferred embodiment of the present invention is shown as being of modular construction including a control module and a reservoir module. The reservoir module is removably secured to the control module by a removable hinge member at one e

A system for delivering a drug to a patient according to the preferred embodiment of the present invention is shown as being of modular construction including a control module and a reservoir module. The reservoir module is removably secured to the control module by a removable hinge member at one end and a locking member at the other end. The reservoir module includes a pressure plate upon which a tube extending from a drug container bag to the patient is supported. The control module includes a pumping mechanism including a camshaft which reciprocates valves and an expulsor in the control module engaging and interacting with the tube located on the pressure plate for forcing the drug from the drug container bag to the patient. In its most preferred form, the pressure plate includes standoffs which abut with the pump chassis for insuring proper spacing maintenance between the pressure plate of the reservoir module and the control module. In another aspect of the present invention, an occlusion detector is provided in the system including a switch on the control module which also engages and interacts with the tube of the reservoir module. The occlusion detector interrupts operation of the pumping mechanism in the event of reduced pressure in the tube.

대표청구항 ▼

Modular system for delivering a drug to a patient comprising, in combination: a control module; a reservoir module; means for removably securing the reservoir module to the control module; with the reservoir module comprising, in combination: a container for storing a drug to be delivered by the sys

Modular system for delivering a drug to a patient comprising, in combination: a control module; a reservoir module; means for removably securing the reservoir module to the control module; with the reservoir module comprising, in combination: a container for storing a drug to be delivered by the system, and means for providing communication between the drug storage container and the patient; with the control module comprising, in combination: means for forcing the drug stored in the drug storage container through the communication providing means at desired rates to the patient, with the drug forcing means of the control module interacting with the communication providing means of the reservoir module when the reservoir module is removably secured to the control module for purposes of delivering a drug stored in the drug storage container to the patient at desired rates; an occlusion detector, with the occlusion detector comprising, in combination: a switch mounted to the control module for directly engaging and abutting with the communication providing means of the reservoir module, with the switch located between the drug forcing means and the patient, with the switch being electrically connected to the drug forcing means for interrupting the forcing of the drug through the communication providing means when the pressure of the drug in the communication providing means is above a desired level.