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I love your concept, but the reality is a little stranger. The bladder when empty will look like a closed fist with almost zero volumn. As a result, the end of your stent will embed itself into the walls of the bladder thus causing it damage. This can introduce bladder infection. Also, with the sphincters always open, it defeats the primary defense of infection via the urethra. Thirdly, when there is damage, the body repairs same and grows around any obstacle, simmilar to how a tree will grow each side of a steel fence / pole. Due to the stent urine flow being of low pressure, the fluid speed does not clean it out. As a result, it can get blocked.

Temporary stents / catheters are risky due to the above, but a semi permanent stent can cause a lot of complications.

If your stent grows into the bladder and/or gets blocked, you are facing an emergency surgery to prevent your bladder bursting and/or worse, kidney damage, something I would not want to face. So although I support you in what you wish to attain, I don't think that your actions have been fully evaluated.

Thanks for sharing your concerns.

If any of them were a real danger, I think I would have experienced at least one of the complications you mentioned by now, but that is not the case. If ten years of heavy stent use can't be considered fully evaluated, I don't know what will.

I do, for your sake, hope it stays that way, but in my own humble opinion, I wounldn't risk that.

Yeah. If you're too afraid to try stents, you might be better off sticking to controlled diaper wetting..