Infusion needle structure of drug infusion device
AssigneeMedtrum Technologies Inc.
InventorCuijun Yang
Life of this patent
Estimating the term…
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.
Claims12
An infusion needle structure of a drug infusion device, comprising:
- an infusion needle comprising a front end and a back end;
- a needle holder provided with at least one auxiliary fastener, wherein the infusion needle is arranged on the needle holder, when the needle holder is in a working position, the back end is pierced into a skin while the front end is connected with a drug storage unit;
- a 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 a housing of the infusion device;
- and
- an unlock rod inserted into the unlock hole and pushed, thus releasing and resetting the needle holder.
Dependencies are inferred from the claim text.