Body fluid sampling/fluid delivery device
First Claim
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1. A body fluid sampling or fluid delivery system, wherein the microchannels are capillary channels, comprising:
- a polymeric support;
an array of polymeric microneedles coupled to the support, each of a microneedle, each of a microneedle having a height of 500 to 2000 μ
m and a tapering angle of 60 to 90°
;
a plurality of polymeric microchannels each of a microchannel being associated with a microneedle, the plurality of polymeric microchannels being integrally formed with the array of polymeric microneedles without bonding; and
at least one polymeric reservoir coupled to the plurality of microchannels.
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Abstract
A body fluid sampling or fluid delivery system includes a polymeric support and an array of polymeric microneedles coupled to the support, each of a microneedle having a height of 500 to 2000 μm and a tapering angle of 60 to 90°. A plurality of polymeric microchannels are provided with being associated with a microneedle. The plurality of polymeric microchannels are integrally formed with the array of polymeric microneedles without bonding. At least one polymeric reservoir is coupled to the plurality of microchannels.
65 Citations
69 Claims
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1. A body fluid sampling or fluid delivery system, wherein the microchannels are capillary channels, comprising:
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a polymeric support; an array of polymeric microneedles coupled to the support, each of a microneedle, each of a microneedle having a height of 500 to 2000 μ
m and a tapering angle of 60 to 90°
;a plurality of polymeric microchannels each of a microchannel being associated with a microneedle, the plurality of polymeric microchannels being integrally formed with the array of polymeric microneedles without bonding; and at least one polymeric reservoir coupled to the plurality of microchannels. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55)
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56. A method of body fluid sampling from a patient, comprising:
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providing a system with an array of microneedles and microchannels that are integrally formed; introducing the array of microneedles into a patient; collecting a body fluid from the patient in the sample chamber; and measuring a parameter of the body fluid in the sample chamber. - View Dependent Claims (57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69)
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Specification