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A balloon catheter is a type of "soft" catheter with an inflatable "balloon" at its tip which is used during a catheterization procedure to enlarge a narrow opening or passage within the body. The deflated balloon catheter is positioned, then inflated to perform the necessary procedure, and deflated again in order to be removed.
A Foley catheter can also be used to ripen the cervix during induction of labor. When used for this purpose, the procedure is called extra-amniotic saline infusion . [ 9 ] In this procedure, the balloon is inserted behind the cervical wall and inflated, for example with 30-80 mL of saline. [ 9 ]
Diagram of a Foley catheter. Foley first described the use of a self-retaining balloon catheter in 1929, to be used to achieve hemostasis after cystoscopic prostatectomy. [2] He worked on development of this design for use as an indwelling urinary catheter, to provide continuous drainage of the bladder, in the 1930s.
Labor may be induced (started) if the health of the mother or the baby is at risk. Induction of labor can be accomplished with pharmaceutical or non-pharmaceutical methods. [1] In Western countries, it is estimated that one-quarter of pregnant women have their labor medically induced with drug treatment. [2]
There are two types of artificial urinary sphincters: The artificial urinary sphincter with a balloon reservoir (3-component): cuff, pump and balloon. The cuff is placed around the urethra; the pump is inserted in the scrotum and the balloon reservoir is implanted in the retropubic space – between bladder and iliac vein.
Tamponade techniques include uterine packing (extending into the vagina) with gauze that also has a Foley catheter in place to allow for bladder drainage. It is inexpensive and readily available. [1] [16] Balloon tamponade is the suggested method of tamponade in guidelines for management of PPH. [28]