MICROFLUIDIC DELIVERY SYSTEM FOR RELEASING FLUID COMPOSITIONS
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Abstract
A microfluidic refill includes a reservoir having a hollow body and an opening; a transport member in fluid communication with the reservoir; and a lid enclosing the opening of the reservoir. The lid is in fluid communication with the transport member. The lid comprises a rigid microfluidic delivery member. The rigid microfluidic delivery member includes a die and electrical traces that are in electrical communication with the die, wherein the electrical traces terminate at electrical contacts, wherein the electrical traces are disposed on only one plane. The die has a fluid chamber in fluid communication with the transport member at an inlet of the fluid chamber and with an orifice at an outlet of the fluid chamber and.
26 Citations
40 Claims
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1-20. -20. (canceled)
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21. A method of connecting a microfluidic delivery refill with a microfluidic delivery system, wherein the microfluidic delivery refill comprises a rigid microfluidic delivery member having a die and electrical leads that are in electrical communication with the die, wherein the electrical leads terminate at electrical contacts, wherein the electrical contacts are disposed on a first plane, the method comprising the steps of:
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providing a housing having an interior and an exterior; and sliding the microfluidic delivery refill toward the interior of the housing in a direction parallel with the first plane. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32)
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33. A microfluidic delivery refill comprising:
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a reservoir that encloses a fluid composition; a transport member in fluid communication with the reservoir, wherein the fluid composition travels from the reservoir and along the transport member in a direction of travel, and wherein the transport member comprises a cross-sectional area taken orthogonal to the direction of travel; and a microfluidic delivery member in fluid communication with the transport member and aligned with the direction of travel, wherein the microfluidic delivery member receives an electrical signal from an electrical source and delivers a dose of the fluid composition, and wherein a dosing ratio of the dose of the fluid composition to the cross-sectional area of the transport member is less than about 7×
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5 mm. - View Dependent Claims (34, 35, 36)
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37. A microfluidic delivery system comprising:
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a housing; a microfluidic delivery refill releasably connectable with the housing, wherein the refill comprises a rigid microfluidic delivery member having a die and electrical traces that are in electrical communication with the die, wherein the electrical traces terminate at electrical contacts, wherein the electrical contacts and the die are disposed on parallel planes. - View Dependent Claims (38, 39, 40)
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Specification