IMPLANTABLE PROSTHESIS WITH OPEN CELL FLOW REGULATION
An implantable prosthesis is provided having a membrane which holds a flowable substance. The membrane is separated into a first chamber and a second chamber with the first and second chambers being fluidly coupled via an orifice. The orifice has a size which may be adjusted by the user after implanting the prosthesis into the patient.
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15 . An implantable prosthesis, comprising:
a membrane containing a flowable substance, the membrane having a posterior wall and an anterior wall and an inner surface which is exposed to the flowable substance; and
an open cell structure positioned inside the membrane, the open cell structure being filled with the flowable substance so that the open cell structure dampens motion of the flowable substance within the membrane, the open cell structure being selectively attached to the membrane at discrete locations.
16 . The implantable prosthesis of claim 15 , wherein the open cell structure is selectively attached at a plurality of locations separated by portions of the open cell structure which are free to move relative to the inner surface of the membrane.
17 . The implantable prosthesis of claim 16 , wherein the open cell structure is attached to the posterior wall of the membrane at a plurality of locations separated by portions of the open cell structure which are free to move relative to the inner surface of the membrane along the posterior wall.
18 . The implantable prosthesis of claim 16 , wherein the open cell structure is attached to the anterior wall of the membrane at a plurality of locations separated by portions of the open cell structure which are free to move relative to the inner surface of the membrane along the anterior wall.
19 . The implantable prosthesis of claim 16 , wherein the open cell structure is selectively attached to the membrane along a strip of the inner surface of the membrane.
20 . The implantable prosthesis of claim 19 , wherein the open cell structure is selectively attached to the membrane so that the strip forms a loop.
21 . The implantable prosthesis of claim 20 , wherein the membrane has an apex in the anterior wall; the open cell structure is attached to the membrane in a loop which encircles the apex of the membrane.
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