How do you deflate a catheter?

no you don't need foley catheter

The term 'catheter' means a thin flexible tube inserted into the body to permit introduction or withdrawal of fluids or to keep the passageway open

No, they're inserted at different sites. In a suprapubic an incision in made just above the pubic hair region hence the name.

In the hospital setting, nurses have to deal with this issue on a pretty regular basis. Pulling a Foley Catheter out causes: Pain Hematuria (bloody urine) Possible bladder trauma Possible urethra...

A small rubber catheter with an inflatable balloon tip that is inserted into a stab incision in the cyst, after the contents of the cyst have been drained