Reservoir assembly and drug solution injection device comprising same
AssigneeEoflow Co., Ltd.
InventorsSangjin HAN, Hyunduk ROH, Dong Kuk OH, Kyung Seo CHO
Life of this patent
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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.
Claims9
A reservoir assembly comprising:
- a reservoir comprising a storage space for medical liquid;
- a plunger inserted into the reservoir and moving along the reservoir;
- a connector connected to the plunger and comprising 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.
A medical liquid injection device comprising:
- a reservoir assembly in which medical liquid is stored;
- a needle assembly ejecting the medical liquid;
- and
- a driving unit connected to the reservoir assembly and moving the medical liquid to the needle assembly from the reservoir assembly in driving,
- wherein the reservoir assembly comprises:
- a reservoir comprising a storage space for the medical liquid;
- a plunger inserted into the reservoir and moving along the reservoir;
- a connector connected to the plunger and comprising 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 contacting the connector along movement of the connector.
Dependencies are inferred from the claim text.