Ultrafiltration membrane, device, bioartificial organ, and related methods
First Claim
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1. An implantable device comprising:
- a) a membrane consisting of a plurality of nanofabricated pores having a width less than 500 nanometers, wherein said plurality of nanofabricated pores have a slit shape, wherein the distance between each of said plurality nanofabricated pores is less than 500 nanometers, wherein said plurality of nanofabricated pores are arranged in a rectangular configuration on said membrane, wherein said rectangular configuration is at least a 2;
1 arrangement of said nanofabricated pores on said membrane, wherein said thickness of said membrane is less than 500 nanometers;
b) a housing containing said membrane; and
c) a fluid delivery passageway with a first end and a second end, said first end positioned outside of said housing, said second end positioned to deliver fluid across said membrane.
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Abstract
The present invention relates to ultrafiltration. In particular, the present invention provides nanoporous membranes having pores for generating in vitro and in vivo ultrafiltrate, devices and bioartificial organs utilizing such nanoporous membranes, and related methods (e.g., diagnostic methods, research methods, drug screening). The present invention further provides nanoporous membranes configured to avoid protein fouling with, for example, a polyethylene glycol surface coating.
44 Citations
22 Claims
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1. An implantable device comprising:
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a) a membrane consisting of a plurality of nanofabricated pores having a width less than 500 nanometers, wherein said plurality of nanofabricated pores have a slit shape, wherein the distance between each of said plurality nanofabricated pores is less than 500 nanometers, wherein said plurality of nanofabricated pores are arranged in a rectangular configuration on said membrane, wherein said rectangular configuration is at least a 2;
1 arrangement of said nanofabricated pores on said membrane, wherein said thickness of said membrane is less than 500 nanometers;b) a housing containing said membrane; and c) a fluid delivery passageway with a first end and a second end, said first end positioned outside of said housing, said second end positioned to deliver fluid across said membrane. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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Specification