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.

Abstract: An insulin patch control method and a device therefor are provided. An insulin patch control method and a device therefor are provided. The insulin patch control method according to one embodiment of the present invention comprises the steps of: obtaining, from an insulin patch, blood glucose information measured by a blood glucose sensor; inputting the obtained blood glucose information into a first neural network; estimating a pump parameter of the insulin patch on the basis of output data of the first neural network; and simulating the insulin patch by inputting the blood sugar information and the pump parameter into a second neural network.

Abstract: A 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 plunger therein, a driving unit that linearly moves the plunger, and an encoder unit disposed at an end of the driving unit to measure rotation of the driving unit.

Abstract: A liquid medicine injection device includes: a liquid medicine storage unit including a cylinder including a space configured to store liquid medicine therein and a discharge hole connected to the space, and a piston arranged inside the cylinder and moving toward the discharge hole depending on discharge of the liquid medicine; a first electrode on an outer surface of the cylinder; a second electrode on the outer surface of the cylinder, the second electrode facing the first electrode with the piston therebetween; and a circuit unit including a substrate electrically connected to the first electrode and the second electrode.

Abstract: Provided are an electroosmotic pump, including: a membrane; a first electrode which is provided on one surface of the membrane, including a porous support including an insulator and an electrochemical reaction material formed on the porous support; and a second electrode which is provided on the other surface of the membrane, including a porous support including an insulator and an electrochemical reaction material formed on the porous support, and a fluid-pumping system including the electroosmotic pump.

Abstract: Provided are a reservoir assembly and a medical liquid injection device. The reservoir assembly includes a reservoir including a storage space for medical liquid, a plunger inserted into the reservoir and moving along the reservoir, a connector connected to the plunger and including at least a portion extending to an opposite side of the storage space, a guide member into which the connector is inserted and which guides movement of the connector, and a sensor unit installed on the guide member and sensing movement of the connector.

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: 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: A method, device, and computer program product for calculating an optimal insulin injection amount is provided. A glucose measurement value for a first user is received from a biometric value measurement device, information about food eaten is received from the first user, and an insulin injection amount is calculated on the basis of the glucose measurement value and the information about food.

Abstract: Provided is a liquid medicine injection device having a needle holder slid immediately by using the elasticity of a spring such that a needle installed at the needle holder may be instantly inserted into a patient.

Abstract: The present invention discloses a liquid medicine injection device that is attached to a patient's body to inject liquid medicine such as insulin at an appropriate time. A liquid medicine injection device according to the present invention includes: a case; a liquid medicine tank that is disposed in the case and where liquid medicine is received; an electro-osmosis pump that is connected with the liquid medicine tank and moves the liquid medicine; a needle assembly that receives the liquid medicine by being connected to the electro-osmosis pump and injects the received liquid medicine into a human body; and an adhesive member combined to the case and attached to the human body.

Abstract: The present invention discloses a path-type liquid medicine delivery electro-osmosis pump that can be applied to a wearable medicine device. An electro osmosis pump according to the present invention includes: a connector provided with a liquid medicine inlet and a liquid medicine outlet; a check valve assembly combined to one side of the connector; and a driver that is connected to the other side of the connector and moves the liquid medicine toward the liquid medicine outlet by applying pressure to the liquid medicine while being separated from the liquid medicine, which passes through the check valve assembly.

Abstract: A medical liquid injection device may include a pump module, a pivot fitting, at least one sensor, and a processor. The pump module may include a shaft configured to perform a linear reciprocating movement along one direction. The pivot fitting may include a first end connected to the shaft and a second end configured to perform a rotational reciprocating movement by the linear reciprocating movement. The at least one sensor may obtain contact time information on a time at which at least one sensor comes into contact with the second end. The processor may calculate a driving time of the pump module using the contact time information and determine occurrence of occlusion of the medical liquid injection device on the basis of the driving time.

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: A needle assembly and a medical liquid injection device are provided. The needle assembly includes a needle, a cannula into which the needle is inserted, a first holder supporting the needle, a sleeve in which the first holder is disposed in an inner space thereof, and a second holder supporting the cannula, disposed to face one side of the first holder, and having a first end and a second end extending outward, wherein at least one of the first end and the second end has an cutout part with a part removed by a preset length.

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.

Abstract: A 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 plunger therein, a driving unit that linearly moves the plunger, and an encoder unit disposed at an end of the driving unit to measure rotation of the driving unit.

Abstract: A method and apparatus for determining an inactive time of a medical liquid dose calculator are provided. According to the method, an infusion error of a medical liquid infusion device may be detected, and an inactive time of the medical liquid dose calculator may be determined in response to detection of the infusion error.