System for Providing Blood Glucose Measurements to an Infusion Device

Abstract

An infusion system includes a characteristic determining device and an infusion device. The characteristic determining device includes a receptacle for receiving and testing an analyte from the user to determine a concentration of the analyte in the user. The characteristic determining device also includes a communication system for transmitting a communication including data indicative of the determined concentration of the analyte in the user, and the infusion device includes a communication system for receiving the communication from the characteristic determining device. The infusion device further includes a bolus estimator for calculating an estimated amount of fluid to be infused into the body of the user based upon the received data indicative of the determined concentration of the analyte in the user and a target concentration of the analyte in the user, and an indicator to indicate when the estimated amount of fluid to be infused has been calculated.

1 - 94 . (canceled) 
     
     
         95 . An infusion system for infusing insulin into a body of a user, the infusion system comprising:
 a blood glucose test strip meter including:   a meter housing adapted to be carried by the user;   a test strip port coupled to the meter housing to receive a test strip and test a blood sample from the user to determine a blood glucose level of the user;   a meter processor contained in the meter housing and coupled to the test strip port to process the determined blood glucose level from the test strip port; and   a wireless meter communication system contained in the meter housing and coupled to the meter processor to transmit a communication including data indicative of the determined blood glucose level of the user and a unique identification information of the blood glucose test strip meter; and   an infusion device including:   an infusion device housing adapted to be carried by the user;   a drive mechanism contained in the infusion device housing and operatively coupled with a reservoir containing insulin to infuse insulin into the body of the user;   a wireless infusion device communication system contained in the infusion device housing to receive from the wireless meter communication system the communication including the data indicative of the determined blood glucose level of the user and the unique identification information; and   an infusion device processor contained in the infusion device housing and coupled to the wireless infusion device communication system to process the data indicative of the determined blood glucose level of user, to discern by the unique identification information whether the data is intended for receipt by the infusion device, and to control the infusion device.   
     
     
         96 . The infusion system according to  claim 95 , further including:
 a bolus estimator used in conjunction with the infusion device processor to calculate an estimated amount of insulin to be infused into the body of the user based upon the received data indicative of the determined blood glucose level of the user and a target concentration of blood glucose in the user; and   an infusion device indicator to indicate when the estimated amount of insulin to be infused has been calculated.   
     
     
         97 . The infusion system according to  claim 95 , wherein the wireless meter communication system automatically transmits the communication including the data indicative of the determined blood glucose level of the user and the unique identification information of the blood glucose test strip meter to the wireless infusion device communication system. 
     
     
         98 . The infusion system according to  claim 95 , wherein the blood glucose test strip meter further includes a user input device for inputting commands, and the wireless meter communication system transmits the communication including the data indicative of the determined blood glucose level of the user to the wireless infusion device communication system in response to a command from the user input device. 
     
     
         99 . The infusion system according to  claim 95 , wherein the blood glucose test strip meter further includes an indicator to indicate a status of the communication including the data indicative of the determined blood glucose level of the user being transmitted from the wireless meter communication system to the wireless infusion device communication system. 
     
     
         100 . The infusion system according to  claim 95 , wherein the communication transmitted from the wireless meter communication system to the wireless infusion device communication system further includes a time at which the blood glucose level of the user was determined. 
     
     
         101 . The infusion system according to  claim 95 , wherein the wireless meter communication system includes one of a transmitter and a transceiver, and the wireless infusion device communication system includes one of a receiver and a transceiver. 
     
     
         102 . The infusion system according to  claim 95 , wherein the infusion device is an insulin infusion pump. 
     
     
         103 . The infusion system according to  claim 95 , wherein the wireless meter communication system and the wireless infusion device communication system communicate using one of radio frequencies and infrared frequencies. 
     
     
         104 . The infusion system according to  claim 96 , wherein the infusion device further includes a user input device for inputting an estimate of a material to be ingested by the user, and further wherein the bolus estimator includes the capability to calculate the estimated amount of insulin to be infused into the body of the user based upon the inputted estimate of the material to be ingested by the user. 
     
     
         105 . The infusion system according to  claim 95 , wherein the infusion device further includes a memory for storing data, and further wherein the data indicative of the determined blood glucose level of the user received by the wireless infusion device communication system from the wireless meter communication system is stored in the memory of the infusion device. 
     
     
         106 . In an infusion system including a blood glucose test strip meter and an infusion device, a method for infusing insulin into a body of a user, the method comprising the steps of:
 receiving and testing a blood sample from the user on a test strip to determine a blood glucose level of the user;   transmitting wirelessly with the blood glucose test strip meter a communication including data indicative of the blood glucose level of the user and a unique identification information of the blood glucose test strip meter;   receiving wirelessly with the infusion device the communication including the data indicative of the blood glucose level of the user and the unique identification information of the blood glucose test strip meter; and   discerning by the unique identification information of the blood glucose test strip meter whether the data is intended for receipt by the infusion device.   
     
     
         107 . The method according to  claim 106 , further comprising:
 calculating an estimated amount of insulin to be infused into the body of the user based upon the received data indicative of the blood glucose level of the user and a target concentration of blood glucose in the user; and   indicating when the estimated amount of insulin to be infused has been calculated.   
     
     
         108 . The method according to  claim 106 , wherein the blood glucose test strip meter automatically transmits the communication including the data indicative of the determined blood glucose level of the user and the unique identification information of the blood glucose test strip meter. 
     
     
         109 . The method according to  claim 106 , further comprising inputting a command on the blood glucose test strip meter, wherein the communication including the data indicative of the determined blood glucose level of the user is transmitted wirelessly from the blood glucose test strip meter to the infusion device in response to the inputted command. 
     
     
         110 . The method according to  claim 106 , wherein the communication including the data indicative of the determined blood glucose level of the user transmitted wirelessly from the blood glucose test strip meter to the infusion device further includes a time at which the blood glucose level of the user was determined. 
     
     
         111 . The method according to  claim 106 , wherein the blood glucose test strip meter and the infusion device communicate wirelessly using one of radio frequencies and infrared frequencies. 
     
     
         112 . The method according to  claim 106 , wherein the blood glucose test strip meter includes one of a transmitter and a transceiver, and the infusion device includes one of a transmitter and a transceiver. 
     
     
         113 . The method according to  claim 107 , further comprising inputting an estimate of a material to be ingested by the user, wherein the estimated amount of insulin to be infused into the body of the user is calculated further based upon the inputted estimate of the material to be ingested by the user. 
     
     
         114 . The method according to  claim 106 , further comprising storing in a memory of the infusion device the data indicative of the determined blood glucose level of the user received by the infusion device from the blood glucose test strip meter.