Infusion pump with tube loading guidance and confirmation

Abstract

An infusion pump includes a housing with a door pivotally mounted to the housing, a tube channel on the housing configured to hold a tube in the infusion pump, a pumping mechanism including a shuttle, and a slide clamp ejection device.

1 . A tube pull detection system for an infusion pump comprising:
 a housing with a door pivotally mounted to the housing;   a tube channel positioned at least partially behind the door on the housing, the tube channel configured to hold a tube in the infusion pump; and   a tube pull detection device configured to detect tube pull based on one or more inputs from one or more sensors configured to detect the presence of the tube at a load point along the tube channel or one or more additional sensors arranged on the infusion pump.   
     
     
         2 . The tube pull detection system of  claim 1 , wherein the one or more additional sensors include at least one occlusion sensor configured to detect tube pull by detecting strain on the tube. 
     
     
         3 . The tube pull detection system of  claim 1 , wherein the tube pull detection device is configured to detect tube pull based on detecting a change of pressure in the tube. 
     
     
         4 . The tube pull detection system of  claim 1 , wherein the one or more additional sensors include at least an accelerometer. 
     
     
         5 . The tube pull detection system of  claim 1 , wherein the tube pull detection device further comprises a plurality of tube pull detection sensitivities, wherein each sensitivity comprises a range of limits of detected tube pull. 
     
     
         6 . The tube pull detection system of  claim 5 , further comprising a user feedback system, wherein the user feedback system includes one or more visual or auditory cues configured to provide guidance to a user. 
     
     
         7 . The tube pull detection system of  claim 6 , wherein the visual cues include a first light-emitting diode, a second light emitting diode, and a display and the auditory cues include a first alarm and a second alarm. 
     
     
         8 . The tube pull detection system of  claim 7 , wherein, in response to the tube pull detection device detecting tube pull within a specified sensitivity, at least one of the first light-emitting diode, the second light emitting diode, the display, the first alarm and the second alarm provides guidance to the user connected to the infusion pump. 
     
     
         9 . The tube pull detection system of  claim 8 , wherein the first and second alarms are configured to indicate whether the tube pull detection device detects tube pull within a first tube pull sensitivity or a second tube pull sensitivity. 
     
     
         10 . The tube pull detection system of  claim 1 , wherein the one or more additional sensors include at least one of a first Hall effect sensor configured to detect when the door is positioned in a closed state, an optical IR sensor configured to detect when the door is latched while positioned in the closed state, and a second Hall effect sensor configured to detect that a valve is closed to place the tube in an occluded state. 
     
     
         11 . A method of detecting tube pull downstream of an infusion pump, the method comprising:
 monitoring a pressure measurement of a tube of the infusion pump connected to a patient, wherein the pressure measurement is based on a current ADC measurement, a baseline ADC measurement, and a slope of an ADC-pressure plot;   comparing the pressure measurement to a threshold based on a selected tube pull sensitivity; and   determining tube pull exists on the tube of the infusion pump when the pressure measurement is greater than the threshold.   
     
     
         12 . The method of detecting tube pull of  claim 11 , further including providing feedback to a user via a user feedback system, wherein the user feedback system includes one or more visual or auditory cues. 
     
     
         13 . The method of detecting tube pull of  claim 12 , wherein providing feedback via the visual cues includes illuminating a first light-emitting diode, illuminating a second light emitting diode, and illuminating or displaying a message on a display and wherein the auditory cues includes a providing a first alarm and providing a second alarm. 
     
     
         14 . The method of detecting tube pull of  claim 13 , wherein, in response to the tube pull detection device detecting tube pull exists within a specified sensitivity, illuminating at least one of the first light-emitting diode, the second light emitting diode, the display, or playing the first alarm and the second alarm to provide guidance to a user. 
     
     
         15 . The method of detecting tube pull of  claim 13 , including indicating via the first and second light emitting diodes whether the tube is properly or improperly loaded at respective load points on the infusion pump. 
     
     
         16 . The method of detecting tube pull of  claim 13 , including indicating via the first and second alarms whether the tube pull detection device detects tube pull within a first tube pull sensitivity or a second tube pull sensitivity. 
     
     
         17 . The method of detecting tube pull of  claim 11 , further comprising monitoring, via an accelerometer, the motion of the tube and comparing the motion measurement to a threshold based on a selected tube pull sensitivity. 
     
     
         18 . The method of detecting tube pull of  claim 12 , wherein the selected tube pull sensitivity includes one of a rapid detection sensitivity and a non-rapid detection sensitivity, and wherein the threshold is lower for the rapid detection sensitivity than the non-rapid detection sensitivity. 
     
     
         19 . The method of detecting tube pull of  claim 12 , further comprising in response to determining tube pull exists on the tube, transmitting a signal to the infusion pump, the signal configured to cause the infusion pump to pause or stop operation. 
     
     
         20 . An infusion pump tube pull detection device comprising:
 one or more sensors configured to detect the presence of a tube at a load point along a tube channel or one or more additional sensors arranged on the infusion pump, wherein the infusion pump tube pull detection device is configured to detect tube pull based on one or more inputs from the one or more sensors; and   a user feedback system, wherein the user feedback system includes one or more visual or auditory cues configured to provide guidance to a user specific to a plurality of tube pull detection sensitivities, wherein each sensitivity comprises a range of limits of detected tube pull based on the one or more inputs from the one or more sensors.