| 摘要 |
A method of treating a patient comprises: introducing to a physiological locus of said patient a balloon formed from two vacuum thermoformed half-sections of a multilayer film a layer of sealing film and at least one layer of thermoplastic polymer film, wherein the vacuum thermoformed half-sections are bonded together; and the balloon includes an inflation element (such as a self-healing valve and/or an effervescent material) adapted to permit inflation of the balloon at the physiological locus with a fluid.
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