초록 ▼

An infusion pump includes a plurality of projections configured so that they enter the subcutaneous region of the patients skin and provides a painless means of creating a breach in the stratum corneum which is sealed against leakage by the skin surrounding each projection and provides a flow path f

An infusion pump includes a plurality of projections configured so that they enter the subcutaneous region of the patients skin and provides a painless means of creating a breach in the stratum corneum which is sealed against leakage by the skin surrounding each projection and provides a flow path for either a basal and bolus injection of medication. The pump includes a drug reservoir containing a drug. The pump includes a microactuator and includes a housing having a foundation or lid which opens and closes so that the medication container can be inserted and supported in a delivery mode position. A micro actuator is used to advance either a roller or a piston in communication with the medication container. Attached to the micro-actuator is a device that is mounted for movement along the access of the medication container. The device indexes along the medication container that is used to dispense the medication.

대표청구항 ▼

1. A device useful for dispensing a liquid comprising: a plurality of needles, the needles each including a sharpened end and being bent adjacent to the sharpened end; a base including bores in which the needles are at least partially inserted, the base including an annular space to which the bo

1. A device useful for dispensing a liquid comprising: a plurality of needles, the needles each including a sharpened end and being bent adjacent to the sharpened end; a base including bores in which the needles are at least partially inserted, the base including an annular space to which the bores extend; a cap sealingly mounted to the base and forming a plenum space with the base, the plenum space including a portion of the base annular space, the cap including a fluid passageway in fluid communication with the plenum space. 2. A device in accordance with claim 1, further comprising: an annular member having a center hole, the base positioned in the center hole. 3. A device in accordance with claim 2, further comprising: a ring positioned against the needle bends, the needles positioned between the ring and the annular member, the needle sharpened ends extending past the ring. 4. A device in accordance with claim 3, wherein the needle sharpened ends extend past the ring a distance between about 0.5 mm and about 3.0 mm. 5. A device in accordance with claim 11, wherein the needle sharpened ends are bent between at and angle between about 1 degree and about 25 degrees.