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 . A blood glucose test strip meter for determining a blood glucose level in a body of a user, wherein the blood glucose test strip meter is capable of communicating with an insulin infusion pump adapted for infusing insulin into the body of the user, the blood glucose test strip meter comprising:
 a housing adapted to be carried by the user;   a test strip port coupled to the housing to receive a test strip and test a blood sample from the user to determine the blood glucose level of the user;   a processor contained in the housing and coupled to the test strip port to process the determined blood glucose level from the test strip port;   a memory contained in the housing and coupled to the processor to store data indicative of the determined blood glucose level of the user;   at least one button contained in the housing and coupled to the processor to receive commands from the user;   a display contained in the housing and coupled to the processor to display the data indicative of the determined blood glucose level of the user; and   a radio frequency (RF) transceiver contained in the housing and coupled to the processor to transmit a communication including the data indicative of the determined blood glucose level of the user and a unique identification information of the blood glucose test strip meter to the insulin infusion pump such that the insulin infusion pump is capable of discerning by the unique identification information whether the communication is intended for receipt by the insulin infusion pump,   wherein the blood glucose test strip meter receives a confirmation of receipt of the data transmitted from the insulin infusion pump.   
     
     
         96 . The blood glucose test strip meter according to  claim 95 , wherein the insulin infusion pump is further adapted for calculating an estimated amount of insulin to be infused into the body of the user based upon the determined blood glucose level of the user and a target concentration of blood glucose in the user. 
     
     
         97 . The blood glucose test strip meter according to  claim 95 , wherein the radio frequency transceiver automatically transmits the communication including the data indicative of the determined blood glucose level of the user to the insulin infusion pump. 
     
     
         98 . The blood glucose test strip meter according to  claim 95 , wherein the display is further adapted to indicate a status of the communication including the data indicative of the determined blood glucose level of the user being transmitted from the radio frequency transceiver to the insulin infusion pump, or to indicate the confirmation of receipt of the data transmitted from the insulin infusion pump to the radio frequency transceiver. 
     
     
         99 . The blood glucose test strip meter according to  claim 95 , wherein the communication transmitted by the radio frequency transceiver to the insulin infusion pump further includes a time at which the blood glucose level of the user was determined. 
     
     
         100 . The blood glucose test strip meter according to  claim 95 , wherein the communication is DC balanced encoded for transmission from the blood glucose test strip meter to the insulin infusion pump. 
     
     
         101 . The blood glucose test strip meter according to  claim 100 , wherein the DC balanced encoded communication includes data translated from 4 bits of data into 6 bits of data for transmission from the blood glucose test strip meter to the insulin infusion pump. 
     
     
         102 . The blood glucose test strip meter according to  claim 95 , wherein the radio frequency transceiver is adapted to transmit a bolus command to the insulin infusion pump in response to receiving a command from the user. 
     
     
         103 . The blood glucose test strip meter according to  claim 95 , wherein the radio frequency transceiver is capable of being deactivated in response to a first command from the user and being reactivated in response to a second command from the user. 
     
     
         104 . A method of operating a blood glucose test strip meter, comprising:
 receiving a test strip at a test strip port in the blood glucose test strip meter;   testing a blood sample from a user on the test strip to determine a blood glucose level of the user;   storing data indicative of the blood glucose level of the user in a memory;   receiving commands from the user using at least one button on the blood glucose test strip meter;   displaying the data indicative of the blood glucose level of the user on a display;   transmitting via radio frequency (RF) to an insulin infusion pump a communication including the data indicative of the determined blood glucose level of the user and an unique identification information of the blood glucose test strip meter; and   receiving via radio frequency a confirmation of receipt of the data from the insulin infusion pump,   wherein the insulin infusion pump receives via radio frequency 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, discerns by the unique identification information whether the data is intended for receipt by the insulin infusion pump, and transmits the confirmation of receipt of the data to the blood glucose test strip meter.   
     
     
         105 . The method according to  claim 104 , wherein the insulin infusion pump is adapted for calculating an estimated amount of insulin to be infused into the user based upon the determined blood glucose level of the user and a target concentration of blood glucose in the user. 
     
     
         106 . The method according to  claim 104 , wherein the communication including the data indicative of the determined blood glucose level of the user is automatically transmitted to the insulin infusion pump. 
     
     
         107 . The method according to  claim 104 , further comprising indicating a status of the communication including the data indicative of the determined blood glucose level of the user being transmitted via radio frequency from the blood glucose test strip meter to the insulin infusion pump. 
     
     
         108 . The method according to  claim 104 , wherein the communication including the data indicative of the determined blood glucose level of the user transmitted via radio frequency from the blood glucose test strip meter to the insulin infusion pump further includes a time at which the blood glucose level of the user was determined. 
     
     
         109 . The method according to  claim 104 , further comprising indicating the confirmation of receipt of the data transmitted from the insulin infusion pump to the blood glucose test strip meter. 
     
     
         110 . The method according to  claim 104 , further comprising encoding the communication utilizing a DC balanced encoding scheme for transmission from the blood glucose test strip meter to the insulin infusion pump. 
     
     
         111 . The method according to  claim 110 , wherein the communication is DC balanced encoded from 4 bits of data into 6 bits of data for transmission from the blood glucose test strip meter to the insulin infusion device. 
     
     
         112 . The method according to  claim 104 , further comprising transmitting a bolus command to the insulin infusion pump in response to receiving a command from the user. 
     
     
         113 . The method according to  claim 104 , wherein the communication transmitted via radio frequency is by a radio frequency (RF) transceiver is capable of being deactivated in response to a first command from the user and being reactivated in response to a second command from the user.