Manufacturing a Therapeutic Device and System with a Container Wall having First and Second Pores
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United States of America Patent
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Issued Date -
Jun 27, 2024
app pub date -
Apr 25, 2022
filing date -
Apr 27, 2021
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Abstract
A method of manufacturing a therapeutic device includes forming a container wall that is sized to contain multiple cells capable of producing a therapeutic agent within an interior region of the container wall. The method further includes exposing the container wall to a solvent to remove material from the container wall to define first pores along an interior portion of the container wall and second pores along an exterior portion of the container wall. The first pores have a first average size that (i) allows passage of the therapeutic agent through the first pores and (ii) prevents passage of immune cells through the first pores. The second pores have a second average size that is larger than the first average size, and the second pores are sized to promote vascularization along the exterior portion.
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