C - Chemistry – Metallurgy – 12 – N
Patent
C - Chemistry, Metallurgy
12
N
C12N 5/08 (2006.01) A61F 2/02 (2006.01) A61K 35/39 (2006.01) A61M 1/34 (2006.01)
Patent
CA 2107123
2107123 9216165 PCTABS00016 A device which serves as an artificial pancreas comprises a hollow fiber (12) which is surrounded by islets of Langerhans (14) enclosed in a housing (22). The islets are suspended in a temperature sensitive matrix (25) which is sufficiently viscous to support islets at a temperature below about 45 ·C and sufficiently fluid to enable removal of islet suspension at a temperature above about 45 ·C. A warm (e.g., 48· to 50 ·C) solution may be flushed through the device to change the physical state of the temperature sensitive matrix from a semi-solid state to a liquified semi-gel state. The temperature sensitive supporting material also enables long term maintenance of islet cells in in vitro culture.
Chick William L.
Sullivan Susan J.
Gowling Lafleur Henderson Llp
W.r. Grace & Co.,-Conn.
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