Patent ID: 8377131

Claim:
A medical implant comprising: a flexible container, a proximal end thereof being an open end, said flexible container having 2 n layers of flexible surrounding walls, each surrounding wall being provided with a plurality of through holes thereon through which an interior of the flexible container is in fluid communication with an exterior of the flexible container, wherein n is an integer of 1-5; a tubular fitting being connected to the open end of the flexible container for inserting or infusing a medical filling material into the flexible container through the tubular fitting; and a thrust part connected to the flexible surrounding walls of the flexible container and at a distal end of the flexible container, wherein the thrust part comprises a receiving seat and a ring, said receiving seat comprising a central bore and an annular groove surrounding the central bore and opposite to the central bore, wherein n layer of a tubular surrounding wall is inserted into the ring and is folded so that the 2 n layers of flexible surrounding walls are formed with the ring imbedded between the 2 n layers of flexible surrounding walls, and the ring with the 2 n layers of flexible surrounding walls are tightly received in the annular groove and detained therein, wherein n is defined as above; and wherein the tubular fitting is provided with threads at a proximal end thereof for the convenience of mounting and dismounting of a tool for infusing the medical filling material.