Bonanno catheter

Bonanno Catheter

The Bonanno catheter is a specialized medical device used primarily within the field of urology and nephrology. It is designed for suprapubic catheterization, a procedure that involves the insertion of a catheter into the bladder through the abdomen, above the pubic bone. This technique is often employed when urethral catheterization is not possible or advisable. The Bonanno catheter has unique features that distinguish it from other types of catheters, making it a critical tool in managing urinary retention and performing bladder drainage in specific patient populations.

Design and Features

The Bonanno catheter is characterized by its balloon-like tip, which can be inflated once the catheter is correctly positioned within the bladder. This inflation mechanism is crucial for securing the catheter in place, preventing it from dislodging. Typically, the device is made from silicone or latex, materials chosen for their flexibility and biocompatibility. The catheter's design allows for continuous or intermittent drainage of urine, thereby accommodating the varying needs of patients.

Indications

Suprapubic catheterization using the Bonanno catheter is indicated in several clinical scenarios, including:

• Urinary retention that is refractory to urethral catheterization
• Need for long-term bladder drainage, where urethral catheterization is contraindicated or has led to complications such as urethral strictures
• Situations requiring frequent and easy access to the bladder for diagnostic or therapeutic interventions
• Postoperative management in urological surgeries to ensure bladder decompression

Procedure

The insertion of a Bonanno catheter is typically performed under local anesthesia, although sedation or general anesthesia may be used depending on the patient's condition and the complexity of the procedure. The steps include:

1. Cleaning and preparing the suprapubic area
2. Making a small incision above the pubic bone
3. Using a trocar and cannula to puncture the bladder
4. Inserting the Bonanno catheter through the cannula
5. Inflating the catheter's balloon to secure it in place
6. Connecting the catheter to a drainage system

Complications

While suprapubic catheterization with a Bonanno catheter is generally safe, potential complications can arise, including:

• Infection, particularly urinary tract infections (UTIs)
• Bladder spasms
• Hematuria (blood in the urine)
• Injury to surrounding organs during insertion
• Catheter blockage or dislodgment

Care and Maintenance

Proper care and maintenance of the Bonanno catheter are essential to minimize complications. This includes regular monitoring of urine output, ensuring the catheter is securely in place, and maintaining cleanliness at the catheter site. Healthcare providers should provide patients and caregivers with detailed instructions on catheter care.

Conclusion

The Bonanno catheter represents a vital tool in the management of urinary retention and bladder drainage, offering an alternative route for catheterization when urethral approaches are not feasible. Its design and application in specific clinical scenarios underscore the importance of tailored approaches in patient care within urology and nephrology.

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