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: A compact 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, multiple three-dimensional circuits, 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: 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, with multiple second electrical contacts exposed on the surface of the case and second fastening portions that cooperate with the first fastening portions, when the control structure and the infusion structure are assembled with each other, the first fastening portions and the second fastening portions are fastened, the first electrical contacts and the corresponding second electrical contacts press against each other, thereby electrically connecting the control structure and the infusion structure, which helps to optimize the internal circuit design and improve the reliability of the electrical connection.

Abstract: A unilaterally driven drug infusion system, includes: an infusion unit, including a reservoir, a piston and a screw, the piston arranged in the reservoir; a driving unit including a rotating shaft and a driving member, the driving member including a driving end; a driving wheel provided with wheel teeth; a linear actuator and a reset unit respectively connected to the driving member; a control unit controlling the linear actuator or the reset unit to apply different driving powers on the driving member; and a sensing unit operatively connected to the control unit and used to sense or recognize the user's body movements, and different body movements represent different functional instructions, and according to the body movements sensed or recognized by the sensing unit. The control unit controls the infusion unit to execute corresponding functional instructions.

Abstract: A driving structure of a drug infusion device, includes at least one driving unit and at least one driving wheel; a linear actuator, electrically connected with the driving unit, pulling the driving unit to move in the driving direction after being powered; a power supply used to supply the power to the linear actuator; a program unit and a first switch unit. The power supply, the program unit, the first switch unit and the linear actuator are electrically connected, when the linear actuator is powered, the driving unit implements driving, and the driving unit triggers a first signal, indicating the end point of the driving direction, which reduces the power consumption of the infusion device.

Abstract: An integrated artificial pancreas with multiple infusion modes, includes: 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 cannula wall. It takes only one insertion to perform both analyte detection and drug infusion.

Abstract: A needle mechanism module for drug infusion device, includes: an infusion needle, provided with a front end and a rear end; a needle holder; provided with at least an auxiliary engaging part, the infusion needle being arranged on the needle holder, when the needle holder is at the working position, the rear end is inserted into the skin, and the front end is connected to the drug storage unit of the infusion device; an auxiliary engaging portion, arranged within the infusion device, engaged with the auxiliary engaging part to limit the needle holder at the working position; and a stopper, arranged on the housing of the infusion device, when the needle mechanism module is at intermediate position, the stopper limits the position of the needle holder, the front end is connected with the drug storage unit of the infusion device, to balance the internal and external pressures.

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: A high-reliability analyte detection device, includes: a bottom shell ; a sensor, with the sensor being assembled on the bottom shell, the sensor including a signal output end and a detection end, wherein the signal output end is provided with at least two mutually insulated first electrical connection areas, and the signal output end is curved or bent toward the bottom surface of the bottom shell; a transmitter, with the transmitter and the bottom shell being engaged with each other, and the transmitter being provided with at least two mutually insulated second electrical connection areas which correspond to the first electrical connection areas, wherein the first electrical connection areas are electrically connected to the corresponding second electrical connection areas; and an elastic member, with the signal output end being in contact with the elastic member.

Abstract: A closed-loop artificial pancreas insulin infusion control system, includes: a detection module; a program module is configured to obtain the insulin dose infused per day by users; an infusion module, connected to and controlled by the program module, is configured to infuse insulin required according to the data of the current insulin infusion dose; and a motion sensor configured to sense the user's physical activity status which is sent to the program module and is one of the variable factors of the total daily dose (TDD) algorithm or the current insulin infusion algorithm. This system automatically detect the physical condition of the user and accurately calculate the TDD value and the current insulin infusion dose, enhancing user experience.

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: 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: An installation unit of an analyte detection device, includes: a sensor unit, which is provided near a front end of the installation unit; a trigger component, prior to starting the trigger component, the installation unit not performing an installation action; an auxiliary needle module, which is used to prick the in vivo part of a sensor under the skin; a parallel slider module, which is used to carry the sensor unit; a base, which is embedded in the installation unit from the front end of the installation unit; an elastic assembly, which is sleeved on the auxiliary needle module; and an outer casing, which is used to carry the trigger component, the auxiliary needle module, the parallel slider module, and the base. The installation unit has a simple and compact structure, a small size, low production and fabrication costs, and is convenient for users to use.

Abstract: A body fluid analyte detection device, includes: a transmitter, provided with at least one first clamping part; a bottom shell, provided with a second clamping part corresponding to the first clamping part, the transmitter being assembled on the bottom shell by mutual snap fitting of the first clamping part and the second clamping part, the bottom shell including a fixing part and a force application part, and the fixing part being fixed and applying a force to the force application part in a direction to disable the bottom shell, so that the first clamping part and the second clamping part are separated from each other, and then the bottom shell and the transmitter are separated; a battery, used for supplying power to the transmitter; a sensor, used for detecting body fluid analyte parameter information and electrically connected to the transmitter to transmit a parameter signal.

Abstract: A body fluid analyte detection apparatus is provided. Applying a force to a force applying portion of a bottom case in one direction can make the bottom case fail, and then separate the bottom case and a transmitter from each other. Before the bottom case is mounted to a human body, the bottom case is fixed together with a mounting unit by means of a snap-fit portion. Operation steps of a user when separating the bottom case from the transmitter are reduced, and the failure rate of the bottom case before being mounted to the human body is also reduced, thereby improving the user experience, and enhancing the reliability of the body fluid analyte detection apparatus.

Abstract: A unidirectional-driven drug infusion device, includes: a reservoir, a piston and a screw, the piston is arranged in the reservoir; a driving module which includes at least one driving wheel and at least one driving arm that cooperate with each other, the circumferential surface of the driving wheel is provided with wheel teeth; a power module coupled to the driving arm; a control module, connected to the power module, controls the power module to apply different driving powers to the driving arm, making the driving arm perform linear reciprocating motion; and a friction member which is in contact with the surface of the driving wheel. This device can fully utilize the internal space of the infusion device, and its weight and volume is reduced.

Abstract: A bilateral-driven patch-type drug infusion device comprises: an infusion unit; a driving wheel drives the screw to move by rotation, pushing the piston forward; a driving unit includes at least two driving portions, the driving unit pivots around a pivot shaft, driving different driving portions in different direction; and an infusion tube structure, which includes a base and an infusion needle, and the base includes an initial position (L), a working position (N), and an intermediate position (M). The driving unit can drive the driving wheel in two directions for infusion drug, making the infusion unit have multiple infusion modes, enhancing user experience.

Abstract: A bilaterally driven closed-loop artificial pancreas, includes: a detection module; an infusion module, including: a drug storage unit; a screw and a driving wheel provided with wheel teeth, the driving wheel driving the screw and the screw pushing a piston; a driving unit cooperating with the driving wheel, the driving unit including at least two driving portions; a power unit connected to the driving unit, the power unit outputting two forces in two directions on the driving unit; and a program module imported the total daily dose algorithm and the current insulin infusion algorithm. The artificial pancreas can accurately calculate the TDD value and the current insulin infusion dose, and enhance user experience.

Abstract: A bilaterally driven intelligent control infusion device, comprising: infusion unit, the infusion unit comprises a drug storage unit, a piston and a rigid screw, the piston is arranged in the drug storage unit, a metal piece arranged on the piston, fixedly connected to the rigid screw; a driving wheel, provided with wheel teeth, drives the screw movement by rotation, the screw advances the piston to move; a driving unit cooperating with the driving wheel; and a power unit, connected to the driving unit, outputs forces in two different directions on the driving unit to lead driving unit to pivot; a position detector, interacted with the metal piece to generate signal; a program unit, connected to the infusion unit, convert the received signal into the piston position information and can control the driving unit to operate with different infusion rate according to requirements.

Abstract: A bilaterally driven closed-loop artificial pancreas, includes: a detection module; an infusion module, the infusion module includes: a drug storage unit; a screw and a driving wheel provided with wheel teeth, the driving wheel driving the screw and the screw pushing a piston; a driving unit cooperating with the driving wheel, the driving unit including at least two driving portions; a power unit connected to the driving unit, the power unit outputting two forces in two directions on the driving unit; and a program module. The power unit is controlled by the program module. The artificial pancreas has higher infusion efficiency and can enhance user experience.