Drug infusion device
AssigneeMedtrum Technologies Inc.
InventorCuijun Yang
Life of this patent
Estimating the term…
Abstract
An enhanced drug infusion device includes a drug reservoir, used for accommodating the drug to be infused, provided with a piston and a screw; a driving wheel, connected with the screw, driving the screw to push the piston forward by rotation; a driving unit, driving the driving wheel to rotate; a power unit, connected with the driving unit, to offer power for the driving unit; a case, for accommodating the reservoir, the driving wheel, the driving unit and the power unit; and an adhesive patch , for attaching the infusion device to skin. The adhesive patch includes at least two layers of tape, the first side of the first layer of tape is fixedly connected with the bottom of the case, and the second side opposite to the first side of the first layer of tape is coated with an adhesive material.
Claims18
A drug infusion device, comprising:
- a reservoir, used for accommodating a drug to be infused, provided with a piston and a screw;
- a driving wheel, connected with the screw, wherein rotation of the driving wheel drives the screw to push the piston forward;
- a driving unit, driving the driving wheel to rotate;
- a power unit, connected with the driving unit, to offer power for the driving unit;
- a case, for accommodating the reservoir, the driving wheel, the driving unit and the power unit;
- and
- an adhesive patch, for attaching the drug infusion device to a skin, wherein the adhesive patch includes at least two layers of tape, a first side of a first layer of the at least two layers of the tape is fixedly connected with a bottom of the case, and a second side opposite to the first side of the first layer of the at least two layers of the tape is coated with an adhesive material,
- wherein the adhesive patch further includes at least one protective film,
- among the at least two layers of the tape and the at least one protective film, except for the first layer of the tape, the other layer(s) of the tape and the protective film(s) are annular, and laminated and sleeved on the drug infusion device.
Dependencies are inferred from the claim text.