PMC5491744_01
Technique tested in a model latex foley catheter. The catheter is clamped with a Kelly forceps approximately 4 cm to the end of the non-deflated balloon and the insufflation valve is positioned upwards
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Since it was not possible to deflate the balloon initially, even after cutting off the balloon valve, this new technique was performed: The catheter was clamped and preserved with a Kelly forceps proximal to the external urethral orifice omitting the insufflation track Figure 1.
Using the needle of a 20G intravenous catheter set. The needle (5cm long) has sufficient length to reach the balloon
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Catheter) was removed from the cannula Figure 2.
Schematic demonstration of the surgeon's index finger angling the balloon through the vagina while the needle is inserted into the insufflation track and eventually punctures the balloon
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Figure 3. Finally, the non-deflated balloon was punctured by the needle after completing its insertion and the catheter could be removed.