Abstract: Provided is a medical liquid injection device including a base body, a needle assembly mounted on the base body, a reservoir fluidly connected to the needle assembly and having an inner space in which a medical liquid is stored, a plunger disposed inside the reservoir, and configured to move in a longitudinal direction of the reservoir according to an amount of the medical liquid stored in the reservoir, and a first sensor unit configured to measure the amount of the medical liquid stored in the reservoir according to the movement of the plunger.

Abstract: Provided is a liquid medication control injection device including a blood glucose measuring unit configured to measure blood glucose of target of injection at least a plurality of times, sequentially, a first liquid medication injection unit configured to inject a first liquid medication containing a component for controlling a decrease in blood glucose of the target of injection to the target of injection, and a second liquid medication injection unit configured to inject a second liquid medication containing a component for controlling an increase in blood glucose of the target of injection, wherein the component of the second liquid medication is different from that of the first liquid medication.

Abstract: Provided is a medical liquid injection device including a base body, a needle assembly mounted on the base body, a reservoir fluidly connected to the needle assembly and having an inner space in which a medical liquid is stored, a plunger disposed inside the reservoir, and configured to move in a longitudinal direction of the reservoir according to an amount of the medical liquid stored in the reservoir, and a first sensor unit configured to measure the amount of the medical liquid stored in the reservoir according to the movement of the plunger.

Abstract: An apparatus for infusing medical liquid, the apparatus including: a needle module having at least one needle portion formed to be injected into a user's body; a medical liquid storage portion having an inner space to store medical liquid delivered to the needle module, wherein an inner surface of the inner space includes a surface-treated shape; and a driving portion connected to the medical liquid storage portion to transfer the medical liquid of the medical liquid storage portion to the needle module.

Abstract: The present disclosure provides a pump including: a housing having a shaft hole part; a shaft part extending to an outside of the housing through the shaft hole part; a power generation part arranged inside the housing and transmitting power to the shaft part; and a fluid provided in an inner space of the housing. A certain distance is formed between an inner circumferential surface of the shaft hole part and an outer circumferential surface of the shaft part, and a discharge passage is formed such that the inner space of the housing communicates with an outer space thereof.

Abstract: Provided is a network security management system and management server for controlling a disposable drug injector. A method of controlling a disposable drug injector by using a drug injector controller includes searching for a nearby device for connecting to a disposable drug injector, authenticating that a found device is the disposable drug injector that is controllable by the drug injector controller, requesting, from the disposable drug injector, to set a data accessing authority and a device controlling authority, and controlling the disposable drug injector in which the data accessing authority and the device controlling authority are set via network communication.

Abstract: The present disclosure provides a drug discharge assembly including a drive piece linearly reciprocated along one direction, a rotating unit being in contact with an end of the drive piece and rotating in one direction according to a linear reciprocating motion of the drive piece, a flexible tube disposed adjacent to the rotating unit and having a curved section at least partially extending in a circumferential direction, and a pressing unit mounted on the rotating unit and rotating while pressing the tube according to a rotation of the rotating unit, and a drug injection device comprising the same.

Abstract: The present disclosure provides a pump including a housing having a shaft hole, a membrane assembly disposed inside the housing, and a shaft assembly mounted on the housing. The shaft assembly includes a shaft inserted into the shaft hole, and a sealing member disposed on an end portion of the shaft and having a plurality of contact regions on an inner surface of the housing along a longitudinal direction of the shaft.

Abstract: A medical liquid injection device is provided. The medical liquid injection device includes a base body, a needle assembly mounted on the base body, a reservoir fluidly connected to the needle assembly and having a guide groove on an inner surface, and a driving unit configured to move a plunger disposed inside the reservoir.