Utility model content
(1) technical problem that will solve
The technical problems to be solved in the utility model is Real-Time Monitoring blood glucose numerical value, the injection of insulin or glicentin is carried out in real time according to this numerical value, guarantee that blood glucose value is in certain scope always, realize the closed loop control of insulin or glicentin injection, prevent high blood glucose or situation on the low side from occurring, and real time output data carry out reference for the diagnosis state of an illness.
(2) technical scheme
In order to solve the problems of the technologies described above, this utility model provides a kind of portable intelligent two merit treating diabetes pump, it comprises: display lamp, shell, button, on and off switch, buzzer, LED display, insulin drug liquid tube, glicentin drug liquid tube, insulin infusion catheter, infusion syringe needle, glicentin tube for transfusion, blood-sugar detection sensor, blood sugar test sampling syringe needle, blood glucose level data transmission line, mainboard, power supply, driver, insulin infusion catheter is connected on insulin drug liquid tube, glicentin tube for transfusion is connected on glicentin drug liquid tube, infusion syringe needle is connected to the end of insulin infusion catheter and glicentin tube for transfusion, blood-sugar detection sensor one end connects blood sugar test sampling syringe needle, the other end connects blood glucose level data transmission line, blood glucose level data transmission line is connected with mainboard.
(3) beneficial effect
The two merit treating diabetes pump of the portable intelligent that technique scheme provides, the process that pancreas controls blood glucose can be simulated, by the real-time detection to blood glucose, by analysis, complete the real-time injection of insulin or glicentin, ensure that blood glucose value is in certain safety range always, realize the closed loop control of insulin or glicentin injection, prevent high blood glucose or situation on the low side from occurring, and carry out reference by external communications equipment real time output data for the diagnosis state of an illness, volume is little, be easy to carry, the quality of life of patient can be significantly improved, the real health meeting patient, treatment needs, guarantee drug safety, possesses popularizing application prospect widely.
Detailed description of the invention
Below in conjunction with drawings and Examples, detailed description of the invention of the present utility model is described in further detail.Following examples for illustration of this utility model, but are not used for limiting scope of the present utility model.
Fig. 1 shows the panel construction schematic diagram of the two merit treating diabetes pump of the present embodiment portable intelligent, with reference to shown in Fig. 1, display lamp 1 and buzzer 5 are for warning, when blood glucose value occurs that the situations such as exception (too high or too low), electricity are not enough, medicinal liquid surplus is too low occur, display lamp 1 glimmers, and buzzer 5 sends caution sound.Shell 2 adopts ABS material.Button 3 is for checking blood glucose level data in the past and injectable drug situation, calibrating, regulate the brightness etc. of LED display 6 to blood glucose show value.When calibrating blood glucose show value, finger tip can be punctured and measure current blood glucose value, comparing with blood glucose show value, have when error and button can be used to be calibrated to actual value.LED display 6 can show current blood glucose value, the medicinal liquid type of current use and the situation such as dosage, dump energy.
Fig. 2 shows the two merit treating diabetes pump structure schematic diagram of the present embodiment portable intelligent, with reference to shown in Fig. 2, insulin drug liquid tube 7 is used for storing insulin medicinal liquid, glicentin drug liquid tube 8 is used for storing glicentin medicinal liquid, because in reality, insulin is higher than glicentin frequency of utilization, so the Capacity Ratio glicentin drug liquid tube 8 of insulin drug liquid tube 7 is larger.Be provided with liquid level sensor in insulin drug liquid tube 7 and glicentin drug liquid tube 8, when medicinal liquid surplus is very few, warning can be sent by display lamp 1 and buzzer 5.In order to prevent coiling, closely, one end is connected on insulin drug liquid tube 7 and glicentin drug liquid tube 8, and the other end is connected on infusion syringe needle 10 jointly for insulin infusion catheter 9 and glicentin tube for transfusion 11.During this period in order to avoid the bidirectional-reflux of insulin and glicentin, need the hydraulic pressure of guarantee two medicinal liquid identical, therefore larger than glicentin tube for transfusion 11 of the diameter of insulin infusion catheter 9.Blood sugar test sampling syringe needle 13 can carry out real-time sampling to blood, measures blood glucose value, blood glucose level data can be transferred on mainboard 15 by blood glucose level data transmission line 14 and carry out the work such as subsequent analysis via blood-sugar detection sensor 12.Infusion in order to avoid medicinal liquid affects the precision of blood sugar test, and infusion syringe needle 10 and blood sugar test sample the different parts that syringe needle 13 thrusts human body respectively, and distance should be more than or equal to 250mm, should be arranged on the position of difficult drop-off.Driver 17 is made up of motor, 1 ~ 2 decelerator etc., and for promoting the medicinal liquid in insulin drug liquid tube 7 or glicentin drug liquid tube 8, thus complete the infusion of corresponding medicinal liquid, infusion precision can reach 0.1 unit, total amount error < 5%.Mainboard 15 can be analyzed the blood glucose level data transmitted from blood glucose level data transmission line 14, is calculated, the different signals of telecommunication is sent to driver 17 according to different results, it is made to carry out the infusion of medicinal liquid, and by information displaying such as the kind of real-time blood glucose value, infuse medical fluid and consumptions on LED display 6, when high blood glucose or on the low side time send signal display lamp 1 and buzzer 5 given the alarm.Storage chip and Bluetooth chip mainboard 15 be equipped with, storage of history data P can be got off, and by bluetooth, these historical datas are sent in mobile phone automatically, be sent to by the free nets such as Fetion, micro-letter again in the terminal of hospital or section office, set up medical archive, the medical advice of doctor also can feed back at any time.Sending information at once when there being serious problems, periodically sending information when there is no serious problems, such as once a day.Power supply 16 can adopt aneroid battery or lithium battery.
Fig. 3 shows the infusion Controlling model figure of the two merit treating diabetes pump of the present embodiment portable intelligent, and with reference to shown in Fig. 3, abscissa representing time, vertical coordinate represents user blood glucose value.Slope of a curve represents the rate of change of user blood glucose, and the blood glucose amount of user is directly proportional to the insulin level in user's body.Concrete coefficient due to the difference of everyone individuality different, need demarcate.The infusion Controlling model of the two merit treating diabetes pump of portable intelligent, the logical relation of infusion adopts different priority levels, that is: Manual Priority level → 5.8 standard controlled stage.According to the normal physiological demand of people, keep blood sugar for human body content within standard error scope.According to medical experiment, assuming that normal person's blood sugar content is on an empty stomach 5.8, the range of error that human body allows is ± 0.2.When blood sugar for human body content is when allowing outside domain of walker, report to the police and infusion of insulin or glicentin.If t, A on the actual measurement blood glucose curve that blood-sugar detection sensor 12 obtains
0the blood sugar monitoring value of point is 5.8, when arriving t
aduring the moment, the actual measurement blood glucose value of A point is V
a, slope of a curve is k, then: V
a=k (t
a-t
0)+5.8, change of blood sugar value Δ V=V
a-5.8=k (t
a-t
0).Because the characteristic of human body is different, the pass of amount of insulin secretion and blood sugar content is a specific curves, that is: Q=cV, and wherein c is constant, then the infusion amount Δ Q=c Δ V of insulin.So, Δ Q=ck (t
a-t
0).When Δ V is when allowing in domain of walker, does not then report to the police, belong to normal allowed band; When Δ V reaches the upper limit or in limited time lower of permission domain of walker, then report to the police, but driver 17 does not start; The upper of domain of walker is allowed then to report to the police in limited time when Δ V exceedes, and according to the blood glucose value variable quantity detected to the corresponding insulin of infusion in user's body; When Δ V then reports to the police in limited time lower than allowing the lower of domain of walker, and according to the blood glucose value variable quantity detected to the corresponding glicentin of infusion in user's body.
The workflow of the two merit treating diabetes pump of the present embodiment portable intelligent is used to be described below: with it being fixed on by the pump housing, as belt or pocket, infusion syringe needle 10 and blood sugar test are sampled the different parts that syringe needle 13 thrusts human body respectively, distance should be at least 250mm, should be arranged on the position of difficult drop-off.Turn on the power switch 4, the two merit treating diabetes pump of portable intelligent is started working, by blood sugar test sampling syringe needle 13 blood sampling in real time, current blood glucose value is detected by blood-sugar detection sensor 12, and be transferred in mainboard 15 by blood glucose level data transmission line 14, by infusion Controlling model, blood glucose level data is analyzed, when blood glucose value is higher or on the low side, sending the signal of telecommunication makes display lamp 1 glimmer, buzzer 5 sends caution sound, driver 17 is made to inject insulin or the glicentin of amount of calculation according to practical situation, medicinal liquid arrives infusion syringe needle 10 by insulin infusion catheter 9 or glicentin tube for transfusion 11, thus injection human body, reach the effect of stabilizing blood sugar.The information displaying such as the kind of real-time blood glucose value, infuse medical fluid and consumption on LED display 6, and are regularly sent historical data to hospital terminal by bluetooth by mainboard 15, set up medical archive.
As can be seen from the above embodiments, this utility model can simulate the process that pancreas controls blood glucose, by the real-time detection to blood glucose, by analysis, complete the real-time injection of insulin or glicentin, ensure that blood glucose value is in certain safety range always, realize the closed loop control of insulin or glicentin injection, prevent high blood glucose or situation on the low side from occurring, and carry out reference by external communications equipment real time output data for the diagnosis state of an illness, volume is little, be easy to carry, the quality of life of patient can be significantly improved, the real health meeting patient, treatment needs, guarantee drug safety, possesses popularizing application prospect widely.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from this utility model know-why; can also make some improvement and replacement, these improve and replace and also should be considered as protection domain of the present utility model.