Patent ID: 11963862
Assignee: BOSTON SCIENTIFIC SCIMED, INC.
Field: Medical technology (Instruments)
Classification: CPC A  C | IPC A  C

Claim 0:
1. A cell encapsulation device for implantation in a body, the cell encapsulation device comprising:
one or more cell encapsulation layers, each of the cell encapsulation layers including:
a first membrane that is semipermeable;
a second membrane that is semipermeable;
a first plurality of weld lines, the second membrane attached to the first membrane by the first plurality of weld lines; the first membrane, the second membrane, and the first plurality of weld lines defining a chamber for encapsulating cells, the chamber including at least one access port;
a guide tube extending into the chamber from the at least one access port, the guide tube including a porous wall along at least a portion of its length, the guide tube capable of guiding movement of a catheter within the chamber;
at least one access catheter extending away from the chamber from the at least one access port, the at least one access catheter fluidly connected to the guide tube;

wherein the at least one access port includes a first access port and a second access port; and
the at least one access catheter includes a first access catheter fluidly connected the first access port, and a second access catheter fluidly connected to the second access port, wherein the guide tube extends through the chamber from the first access port to the second access port.