Abstract: The invention relates to a pulp paper for flexible film zinc-manganese battery, which comprises a base paper with only one layer and slurry coated on both sides which comprises modified starch, polyelectrolyte, water retaining agent, organic/inorganic composite corrosion inhibitor, and electrolytes wherein the polyelectrolyte is one or more of polyglutamic acid, sodium polyglutamate, potassium polyglutamate, polyaspartic acid, sodium polyaspartate and sodium polyaspartate, and the water retaining agent is a sodium salt or a potassium salt of hyaluronic acid. The pulp paper in the invention has the advantages of thin layer, simple composition, fast absorption speed, large liquid absorption capacity, good liquid-retaining ability, good ionic conductivity and low wet resistance which boosts good application value in the field of flexible battery technology.

Abstract: The present invention provides a method for algorithm adjustment applying a motion sensor in a Continuous Glucose Monitoring system and a system using the method, comprising sensing an activity level of a patient by a motion sensor and providing signals to a processer, then adjusting a series of related algorithms depending partly on the signals by the processer to provide more accurate and reliable blood glucose related data that is the basis of desirable treatment plans; and automatically operating the CGM system including switching the system to an audio-off mode or pausing a calibration of the glucose sensor by the processer.

Abstract: The present invention provides a closed loop control method to control an artificial pancreas and the artificial pancreas using this method, comprising constructing an autoregressive model by initiatively introducing the insulin absorption lag factor, calculating an amount of insulin to be delivered at the current time using the autoregressive model and a PID controller respectively, and tuning the parameters of the autoregressive model and the PID controller respectively using the average of the calculation results in order to provide a more accurate prediction of glucose trends and a more desirable amount of insulin delivery.

Abstract: The present invention provides a closed loop control method in an artificial pancreas and a system using the method, comprising sensing an activity level of a patient by at least one motion sensor and providing signals to at least one processer; then adjusting a series of related algorithms depending partly on the signals by the processer to provide more accurate and reliable data that is the basis of desirable treatment plans, and sending corresponding instructions by the processer for automatic operations of the artificial pancreas to realize a closed loop control.

Abstract: Disclosed is an analyte sensing system (1), comprising: a sensor probe (11) for collecting the analyte content in human body and transmitting the collected analyte content information; a transmitter (13) connected to the sensor probe (11) for receiving the analyte content information transmitted by the sensor probe (11) implanted subcutaneously and converting same into a radio signal to output; and a receiver for receiving the radio signal comprising the analyte content information transmitted by the transmitter (13) and converting same into analyte content data to display to the user. The analyte sensing system (1) uses an automatic installer (122) to implant the sensor probe (11) into the human body, and obtains the analyte content information collected by the sensor probe (11) through the transmitter (13) and the receiver. The analyte sensing system (1) has a small structure, and is easy to use and convenient to operate.

Abstract: A delivery safety ensuring method for a wearable delivery system, comprising two major steps to double-ensure that an instruction sent from a smart device trying to control the wearable delivery device reflects the true intention of the user. The first step is to restrict a delivery amount instructed by smart device within a pre-determined range using an alternative physical key, and the second step is to require authentication using an independent authentication tool through proximity communication. Both steps of the safety ensuring method require no open network access, solving the problem of the smart device being vulnerable to program failure and external viruses so as to enhance delivery safety, especially against malicious external attacks from open network. A wearable delivery system using this method is further provided.

Abstract: Disclosed is a delivery system including a position detecting unit, comprising a housing (1), a reservoir (2), a piston (3), a lead screw (4) and at least two or more position sensors (5a,5b,5c,5d,5e), wherein the piston (3) includes a detectable feature. The position sensors (5a,5b,5c,5d,5e) are arranged on or adjacent to the outer wall of the reservoir (2) composing a sensor array, configured to sense a change of the magnetic field or the electric field caused by the displacement of the detectable feature to generate a signal based on which the position of the piston (3) can be determined using algorithms, and to detect the infusion abnormality by sensing the displacement abnormality of the piston (3), endowing an infusion device with performances as compact structure, low cost, high precision, fast reaction and a minimum volume under the premise of safety guarantee.

Abstract: A delivery system of a portable delivery device, using a chamber with three connections structure (10) arranged on the upper housing (1) as a buffer channel for the flow passage of the drug fluid from the external syringe into the reservoir (6) and from the reservoir (6) into the infusion needle; and the structures on the upper, the lower housings (1), (4) and the needle seat (2) accommodating the infusion needle mate with each other sophisticatedly ensuring the compactness of the delivery device and enabling the patient to control the position of the infusion needle safely and conveniently at the same time; in additional, the needle seat cover (7, 8) which covers the needle seat (2) enhances the safety of using the infusion needle. The delivery system of a portable delivery device has advantages of small size, sophisticated structure, simple operation, safety guarantee.

Abstract: A one step all-in-one apparatus for body fluid sampling and sensing, comprising: a housing(1), a plurality of integrated sampling and sensing assemblies, a cartridge(12), sealing films(101,102), an upper cover(13), a sampling port(6), a linear actuating mechanism and a control circuit, with every integrated sampling and sensing assembly comprising a micro fluid-sampling needle(2), a needle hub(3) and a test strip(4); the micro fluid-sampling needles(2) penetrate the skin to sample the body fluid and deliver the body fluid to the test strips(4) directly, and changes occurred on the test strips(4) are read by the sensor(5), wherein sampling and sensing are completed in one step.

Abstract: A unilateral driving mechanism for a portable infusion system is provided. The unilateral driving mechanism comprises an actuator (1), a swinging part (2), gears (4), blockers (5), a compression spring (6), a rod (7), a reservoir (8), a plunger (9) and a control circuit. One end of the rod (7) is connected with the gears (4), the other end of the rod (7) is connected with the plunger (9), and one lower limb of the swinging part (2) is connected with the spring (6). The unilateral driving mechanism for a portable infusion system has advantages of compact structure, small volume, low power consumption, low cost, high precision and convenience in use.

Abstract: A multi-mode power supply system for a portable infusion device is provided, comprising a Battery I and an Battery II, the Battery I constantly charges the Battery II constituting a charging circuit, which adopts one of multiple charging modes including a basal-rate slow charging mode, a bolus-dose fast charging mode and a background charging mode depending on different drug infusion conditions; the Battery I powers the control unit independently, and the Battery II powers the driving unit independently; a unidirectional conduction circuit, a monitoring circuit and a detecting circuit are further comprised to ensure the normal operation of the power supply system under various circumstances.

Abstract: Disclosed is a disposable tubeless fluid delivery system, comprising a button unit for receiving instructions given by a user through pressing button, a key unit for outputting a selection instruction indicating at least one working mode a fluid reservoir unit for storing a fluid, an indwelling unit for letting through the fluid to a patient, wherein the indwelling unit comprises an indwelling cannula, and a fluid driving unit for delivering the fluid stored in the fluid reservoir unit to the subcutaneous tissue of the patient by the indwelling unit, and a control unit for outputting the delivery instruction to the fluid driving unit and controlling the fluid driving unit to deliver the fluid or suspend fluid delivery. In the present disclosure, a pump base and a wireless control device are integrated to achieve a purpose of small volume, low cost and convenient wearing.

Abstract: A tubeless fluid delivery device, comprising a controller (11) and a pump (12) combined with the controller (11). The controller (11) comprises a first housing having a first built-in circuit. The first housing is provided with a first engagement portion and a first insertion portion electrically connected to the first built-in circuit. The pump (12) comprises a second housing having a second built-in circuit, a drug storage cylinder, a piston, a push rod, a driving means and a battery. The second housing is provided with a second engagement portion correspondingly engaged with the first engagement portion and a second insertion portion electrically connected to the second built-in circuit. The second insertion portion is correspondingly inserted in the first insertion portion to realize electrical connection. The present disclosure solves the problem that a drug fluid infusion device in the prior art has complex operation, large size and high cost.

Abstract: Disclosed is a disposable tubeless fluid delivery system, comprising a button unit for receiving instructions given by a user through pressing button, a key unit for outputting a selection instruction indicating at least one working mode a fluid reservoir unit for storing a fluid, an indwelling unit for letting through the fluid to a patient, wherein the indwelling unit comprises an indwelling cannula, and a fluid driving unit for delivering the fluid stored in the fluid reservoir unit to the subcutaneous tissue of the patient by the indwelling unit, and a control unit for outputting the delivery instruction to the fluid driving unit and controlling the fluid driving unit to deliver the fluid or suspend fluid delivery. In the present disclosure, a pump base and a wireless control device are integrated to achieve a purpose of small volume, low cost and convenient wearing.

Abstract: A catheter-free drug fluid infusion device, comprising a controller (11) and a pump (12) combined with the controller (11). The controller (11) comprises a first housing having a first built-in circuit. The first housing is provided with a first engagement portion and a first insertion portion electrically connected to the first built-in circuit. The pump (12) comprises a second housing having a second built-in circuit, a drug storage cylinder, a piston, a push rod, a driving means and a battery. The second housing is provided with a second engagement portion correspondingly engaged with the first engagement portion and a second insertion portion electrically connected to the second built-in circuit. The second insertion portion is correspondingly inserted in the first insertion portion to realize electrical connection between the first built-in circuit and the second built-in circuit.

Abstract: Disclosed is an analyte sensing system (1), comprising: a sensor probe (11) for collecting the analyte content in human body and transmitting the collected analyte content information; a transmitter (13) connected to the sensor probe (11) for receiving the analyte content information transmitted by the sensor probe (11) implanted subcutaneously and converting same into a radio signal to output; and a receiver for receiving the radio signal comprising the analyte content information transmitted by the transmitter (13) and converting same into analyte content data to display to the user. The analyte sensing system (1) uses an automatic installer (122) to implant the sensor probe (11) into the human body, and obtains the analyte content information collected by the sensor probe (11) through the transmitter (13) and the receiver. The analyte sensing system (1) has a small structure, and is easy to use and convenient to operate.

Abstract: Disclosed is a single needle integrated artificial pancreas, wherein the single needle integrated artificial pancreas comprises a fluid reservoir unit; a fluid driving unit connected to the drug reservoir unit; an indwelling unit connected to the fluid reservoir unit and comprising a glucose sensor, an insulin indwelling cannula, a puncture needle and an inserter; wherein the glucose sensor and the indwelling cannula are simultaneously implanted in the same subcutaneous tissue in a patient via the inserter under the aid of the puncture needle; and the puncture needle is a steel puncture needle or groove puncture needle; and a glucose monitoring and insulin delivery control unit is respectively connected to the fluid reservoir unit, the fluid driving unit and the indwelling unit. The single needle integrated artificial pancreas reduces the chance of a diabetic patient being infected and is simple in installation and convenient to use.