Abstract: A patch-type drug infusion device includes a control structure provided with multiple first fastening portions and first electrical contacts; and an infusion structure including a case, a power supply, a flexible circuit board, and an elastic conductor, and provided with multiple second electrical contacts and second fastening portions that cooperate with the first fastening portions. The first fastening portions and the second fastening portions are fastened, the first electrical contacts connect with the corresponding second electrical contacts, making the structure more compact and improving the space utilization rate inside the infusion structure.

Abstract: An analyte detection system, includes a bottom case housing, which is used for mounting to the surface of human skin; a sensor mounted on the bottom case housing for detecting the analyte parameter information; a transmitter unit including a transmitters shell, an internal circuit, a transmitter and a motion sensor, the transmitter sending the analyte parameter information to the outside world, the motion sensor connected to the internal circuit operationally, used for induction or identify the user's body movements. According to induction or recognition of body movements by the motion sensor, the internal circuit controls the sensor or the transmitter to execute the corresponding functional instructions to enhance the user experience.

Abstract: A highly integrated analyte detection device is provided. The transmitter is composed of a shell, a cover body, a circuit module and an electrical connection module. The circuit module is fixedly connected with the shell, one end of the electric connection module is fixedly connected with the circuit module, the other end extends to the outside through the through hole on the shell, and is electrically connected with other structural parts. The sealing material is filled between the electric connection module and the through hole, and the cover body and the shell are clamped together to form a seal for the circuit module, which makes the transmitter structure simpler. The shell and the circuit module can be processed separately and then assembled. The production process is less difficult and the production cost is reduced at the same time.

Abstract: The invention discloses a miniature closed-loop artificial pancreas system, comprising: infusion unit configured to deliver drugs; program unit comprising input end and output end, and the input end comprises a plurality of electrically connective regions for receiving signals of analyte data in the body fluid, after the output end is electrically connected to the infusion unit, according to the received signals of analyte data in the body fluid, the program unit controls whether the infusion unit delivers drugs; an infusion cannula with conductive area, the infusion cannula is the drug infusion channel; and a plurality of electrodes for detecting analyte data in body fluid, the electrode comprising conductive-area electrode and cannula-wall electrode, and one or more cannula-wall electrodes being located on/in the wall of the infusion cannula. It takes only one insertion to perform both analyte detection and drug infusion.

Abstract: A micro analyte sensor includes a substrate, which includes an internal part and an external part; a first electrode group and a second electrode group, located on the surface of the internal part, each electrode group including at least one working electrode and at least one additional electrode. The external part is provided with pins corresponding to each electrode, the pins are respectively electrically connected with the working electrode and the additional electrode through wires. The first electrode group detects the analyte at the first frequency and provides the first detection signal, and the second electrode group detects the analyte at the second frequency and provides the redundant detection signal, and the first frequency is not less than the second frequency.

Abstract: A unilaterally driven drug infusion device includes: a reservoir, a piston and a screw, the piston connected with the screw and arranged in the reservoir; a driving unit including rotating shaft and driving member, and the driving member including driving end; driving wheel provided with wheel teeth; a linear actuator and a reset unit respectively connected to the driving member; and at least two blocking walls, arranged at one side of the driving unit to limit the advancing position of the driving unit. The infusion device is able to precisely control the rotation amplitude of the driving member and improve the infusion accuracy of the infusion device. The user or the closed-loop system is able to flexibly select different infusion modes to precisely control the body fluid level to meet the needs of the body, improving user experience.

Abstract: The invention discloses a drug delivery system with graphical user interface comprises a detection device, for detecting the blood glucose level of the user; an infusion device, for infusing a drug into the user's body; and a control device, wirelessly communicated with the detection device and the infusion device, the control device controlling the drug delivery of the infusion device, and the control device provided with a graphical user interface, the graphical user interface comprising a main screen, the main screen comprising an insulin information display area and a blood glucose information display area, wherein the insulin information display area comprising insulin infusion status information, the graphical user interface displays the insulin infusion status information in a graphical and/or textual manner, to facilitate the user to intuitively know the insulin infusion status information and blood glucose information at that time.

Abstract: Provided is an installation unit of an analyte detection device. A buckle structure of a parallel slider module is in contact with an annular structure of the analyte detection device, so that releasable connection is formed between the parallel slider module and the analyte detection device; when the parallel slider module is located at a distal end, the analyte detection device is fixed on the parallel slider module, and after the parallel slider module slides to a proximal end, the analyte detection device is automatically separated from the parallel slider module.

Abstract: The invention discloses an automatic detection method based on the change rate of the difference between the actual blood glucose values, including: obtaining an actual blood glucose value of the user at the current time; obtaining a historical actual blood glucose value of the user at the previous time, and calculate a difference between the actual blood glucose values at the current time and at the previous time; calculating a change rate of the difference between the actual blood glucose values at the current time; and comparing the change rate of the difference between the actual blood glucose values at the current time with a preset threshold, and determining an event type based on the comparing result. Based on the determined event type, the artificial pancreas can automatically adjust the corresponding infusion strategy to achieve closed-loop control of the artificial pancreas.

Abstract: Disclosed is a management device for displaying glucose information. The screen of the management device is divided into the plurality of display areas, at least comprising a first display area for displaying the status of the management device, a second display area for displaying real-time glucose information, and a third display area for displaying historical glucose concentration information. The user can intuitively and easily get the glucose information in the body.

Abstract: A drug infusion device includes a control mechanism, provided with first electrical contacts exposed to a surface of the control mechanism; and an infusion mechanism, including a housing, and the infusion mechanism being provided with second electrical contacts exposed on a surface of the housing. When the control mechanism and the infusion mechanism are assembled with each other, the first electrical contacts and the second electrical contacts press against each other, thereby electrically connecting the control mechanism with the infusion mechanism. An end of the first electrical contact is flush with the control mechanism surface or protruding from the surface of the control mechanism in contact with the first electrical contact. When the control mechanism and the infusion mechanism are assembled, the first electrical contact and the second electrical contact may be contacted preferentially, the reliability of the electrical connection between the control mechanism and the infusion mechanism is improved.

Abstract: A highly integrated intelligent analyte detection device, includes: a bottom case including a first connection region; a transmitter including a transmitter case and an internal circuit, the internal circuit including at least two second electrical connection ends and at least two first electrical connection ends, at least two first electrical connection ends electrically conductive; a sensor including a signal output portion and a detection portion, and the signal output portion provided with at least two third electrical connection ends; and a second connection region including at least two conductive areas and at least one insulation area, and at least two third electrical connection ends respectively electrically connected to the corresponding second electrical connection ends, reducing the complexity of internal structure in the device and the size of the device, thus enhancing the user experience.

Abstract: An infusion needle structure of drug infusion device includes: an infusion needle including a front end and a back end; a needle holder provided with at least one auxiliary fastener; one fastening portion, arranged inside the infusion device, cooperates with the auxiliary fastener to lock the needle holder in the working position; an unlock hole provided on the needle holder or on the housing of the infusion device; and an unlock rod that is inserted into the unlock hole and pushed, thus releasing and resetting the needle holder. The infusion needle is able to reset and released when the infusion device is during replacement.

Abstract: The invention discloses a bilateral-driven medical device with infusion and detection integrated, comprising: drug infusion unit; program unit comprising input end and output end, and the input end comprises a plurality of electrically connective regions for receiving signals of analyte data in the body fluid, after the output end is electrically connected to the power unit, the program unit controls whether the drug infusion unit delivers drugs; and an infusion cannula provided with at least two detecting electrodes, the infusion cannula is the drug infusion channel, the electrodes are disposed on the cannulawall. It takes only one insertion to perform both analyte detection and drug infusion.

Abstract: A body fluid analyte detection device, includes: a transmitter, provided with at least one first fastener part; a bottom case, provided with at least one second fastener part corresponding to the first fastener part, and the bottom case including at least one fixed portion and at least one force-receiving portion. When separating the bottom case and the transmitter, the fixed portion is fixed and a force is applied to the force-receiving portion in one direction, separating the bottom case and the transmitter. The body fluid analyte detection device further includes a sensor connected with the transmitter to transmit the parameter signal; and a battery assembled in the bottom case or in the transmitter. The part holding the battery is the battery portion. A force is applied to the force-receiving portion in only one direction to make the bottom case fail and thereby separating the transmitter and the bottom case, simplifying user action and enhancing user experience.

Abstract: A highly integrated analyte detection device, includes: a bottom case; a sensor including a signal output portion and a detection portion; a transmitter provided with at least two second electrical connection ends which are corresponding to the first electrical connection ends; and a connection member, arranged between the first electrical connection ends and the second electrical connection ends, including at least two conductive areas and at least one insulation area. The insulation area is provided between two adjacent conductive areas, and at least two first electrical connection ends are respectively electrically connected to the corresponding second electrical connection ends.

Abstract: The invention discloses a closed-loop artificial pancreas device with integrated detection and infusion, comprising: infusion unit configured to deliver drugs; program unit comprising input end and output end, and the input end comprises a plurality of electrically connective regions for receiving signals of analyte data in the body fluid, after the output end is electrically connected to the infusion unit, according to the received signals of analyte data in the body fluid, the program unit controls whether the infusion unit delivers drugs; an infusion cannula with conductive area, the infusion cannula is the drug infusion channel; and a plurality of electrodes for detecting analyte data in body fluid, the electrode comprising conductive-area electrode and cannula-wall electrode, the conductive area of the infusion cannula being at least as a conductive-area electrode, and one or more cannula-wall electrodes being located on/in the wall of the infusion cannula.

Abstract: A unilaterally driven closed-loop artificial pancreas, includes: a detection module, an infusion module and a program module. The infusion module includes a reservoir, a piston, a screw, a driving unit, a driving wheel provided with wheel teeth, at least one linear actuator and at least one reset unit. The driving unit includes at least one rotating shaft and at least one driving member. The driving member includes a driving end. The driving member rotates around the rotating shaft. The linear actuator and the reset unit respectively connect to the driving member. The program module is connected to the detection module and the infusion module respectively, imported the total daily dose algorithm and the current insulin infusion algorithm. The driving power can be controlled, and it can accurately calculate the TDD value and the current insulin infusion dose.

Abstract: A unilateral-driven patch-type drug infusion device, includes: an infusion unit, which includes a drug storage unit; a screw connected to a piston and a driving wheel provided with wheel teeth, respectively, the driving wheel drives the screw to move by rotation, pushing the piston forward; at least one driving unit cooperating with the driving wheel, the driving unit includes at least one driving portion; a power unit and a reset unit coupled to the driving unit, and an infusion tube structure, which includes a base and an infusion needle, and the base includes an initial position, a working position, and an intermediate position. This infusion device can output controllable and stable driving force, which eliminates safety hazards and improves user experience.

Abstract: This invention discloses a drug infusion device, including: a drug storage unit; a piston and a driving wheel respectively connected with a screw, the driving wheel drives the screw to move by rotation, the piston is arranged in the drug storage unit, the screw advances the piston to move; a driving unit cooperating with the driving wheel, the driving unit includes more than two driving arms, the driving unit, through the multiple pivoting movement modes, drives driving arms to perform tooth number adjustable driving on the driving wheel for increment-adjustable infusion; and a power unit connected to the driving unit, the power unit exerts a force on the driving unit to lead the driving unit to perform a plurality of pivot steps. More than two driving arms are stalled on the driving unit, thereby achieving multi-level engagement on the driving wheel, and finally achieving the purpose of increment-adjustable infusion.