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UPJ obstruction
new treatment
no organ damage
nor skin scars
fast recovering time
This site will show you a minimally invasive
way to treat your UPJ obstruction.
There are a variety of accepted treatments for primary or secondary ureteropelvic junction (UPJ) obstruction.
- Although open pyeloplasty remains the gold standard, several endoscopic and laparoscopic techniques are available as alternative treatment options.
These techniques include:
- Laparoscopic transperitoneal pyeloplasty,
- Antegrade endoscopic endopyelotomy and endopyeloplasty,
- Retrograde endopyelotomy, and
- Retrograde balloon dilatation alone.
Open pyeloplasty is an invasive, dismembering treatment with a mean postoperative hospital stay of 6 days.
Laparoscopic and endoscopic techniques are less invasive than open pyeloplasty but they are associated with a long learning curve for the operator and a long operation time (mean, 245 minutes).
We devised a new method for treating primary UPJ obstruction using a detachable inflatable spacer balloon positioned stream up through the bladder. First the obstruction is dilated with a special dilatation balloon. After doing that a double J catheter is placed followed by the spacer ballon catheter next to the double J.
The reason for developing a new method to treat UPJ obstruction was to try to help patients using a minimally invasive, straightforward, and fast procedure with a fast recovering time and without organ or skin scars.
The procedure can be done in 30 minutes. This means a considerable reduction in OR time, complications and costs to the public health system.
To know if you deal with a primary UPJ obstruction or a secondary, a diagnostic dilatation with a common PTA balloon can be done on an out patient base.
In case a waist in the balloon (visible on X-ray fluoroscopy) does not appear while filling the balloon with contrast medium, it probably is a secondary stenosis, caused by external compression.
In case a waist is visible at higher balloon pressures it’s a primary stenosis caused by intrinsic wall factors.
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UPJ obstruction
The intended use of the Overtoom balloon is to treat primary ureteral strictures.
Specially strictures causing UPJ obstruction.

Bricker urostomy
The Overtoom balloon has successfully been used to treat primary ureteral strictures of the anastomosis with Bricker ileal conduits.
The balloon has also been used successfully as a kidney blocker to bypass leaking Bricker ileal conduits.

Vesico vaginal fistula
New treatment option by using Overtoom balloons as kidney blockers to bypass the bladder.
Vesico vaginal fistula. Disaster for women.