| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a method for creating a "biological stent" in a tubular structure (for example, the urethra). <P>SOLUTION: The biological stent is created by situating a microwave balloon device (100) in the urethra of the patient in proximity to the prostate gland, inflating the balloon (112) to apply a sufficient squeezing pressure on urethral tissue to effect a certain amount of temporary widening of the urethra, and heating the narrowed bore of the urethra (preferably by employing a microwave generator having a transmitter (110) located in the balloon) to make permanent the widening of the urethra due to the formation of a biological stent. The heating, and elasticity of urethral tissue may be monitored to determine when a sufficient energy has been delivered to the urethral tissue. <P>COPYRIGHT: (C)2009,JPO&INPIT |
