A Bonanno catheter is a

medical device A medical device is any device intended to be used for medical purposes. Significant potential for hazards are inherent when using a device for medical purposes and thus medical devices must be proved safe and effective with reasonable assura ...

. It was originally designed for

suprapubic cystostomy A suprapubic cystostomy or suprapubic catheter (SPC) (also known as a vesicostomy or epicystostomy) is a surgically created connection between the urinary bladder and the skin used to drain urine from the bladder in individuals with obstruction o ...

(drainage of urine from the

bladder The urinary bladder, or simply bladder, is a hollow organ in humans and other vertebrates that stores urine from the kidneys before disposal by urination. In humans the bladder is a distensible organ that sits on the pelvic floor. Urine enters ...

through the skin, bypassing the

urethra The urethra (from Greek οὐρήθρα – ''ourḗthrā'') is a tube that connects the urinary bladder to the urinary meatus for the removal of urine from the body of both females and males. In human females and other primates, the urethra c ...

). Described by Dr J.P. Bonanno in 1970 and patented in 1987, it is produced by the medical supplies company

Becton Dickinson Becton, Dickinson and Company, also known as BD, is an American multinational medical technology company that manufactures and sells medical devices, instrument systems, and reagents. BD also provides consulting and analytics services in certai ...

. Apart from bladder drainage, it also has various other uses for which it has not actually been designed, such as

thoracostomy A thoracostomy is a small incision of the chest wall, with maintenance of the opening for drainage. It is most commonly used for the treatment of a pneumothorax. This is performed by physicians, paramedics, and nurses usually via needle thoracosto ...

and

paracentesis Paracentesis (from Greek κεντάω, "to pierce") is a form of body fluid sampling procedure, generally referring to peritoneocentesis (also called laparocentesis or abdominal paracentesis) in which the peritoneal cavity is punctured by a needl ...

. The drain consists of a straight metal trocar, which serves as a core and guide for a plastic tube with a curved end that is kept straight while the trocar is inside. At the end of the plastic tube, a small flat plate is present that can be taped or sutured to the skin. The drain then ends in a connector that can be connected with a drainage bag.

References

Medical devices {{medical-equipment-stub