Ureteral bypass devices and procedures

摘要

A ureteral bypass device and procedure suitable for performing internal urinary diversions within patients, including patients such as humans and veterinary animals (cats and dogs). The device includes a nephrostomy catheter having a proximal end, an oppositely-disposed distal end, and means for securing the distal end within the renal pelvis of a kidney of a patient, a cystostomy catheter having a proximal end, an oppositely-disposed distal end, and means for securing the distal end of the cystostomy catheter within the urinary bladder of the patient, and an adaptor fluidically connected to the proximal ends of the nephrostomy and cystostomy catheters so as to fluidically connect the nephrostomy and cystostomy catheters together through the adaptor. If implanted subcutaneously, the adaptor may include an entry site that has a self-sealing septum that can be accessed with a needle while the device remains implanted and secured under the skin to subcutaneous tissue.

主权项

1. A procedure for performing an internal urinary diversion that bypasses a ureter of a patient between a kidney and urinary bladder of the patient, the procedure comprising:
creating an incision in the skin of a patient; implanting a nephrostomy catheter through the incision so that the nephrostomy catheter is entirely external of the ureter, and securing a first end of the nephrostomy catheter within the renal pelvis of a kidney of the patient; implanting a cystostomy catheter through the incision so that the cystostomy catheter is entirely external of the ureter, and securing a first end of the cystostomy catheter within the urinary bladder of the patient; removably assembling second ends of the nephrostomy and cystostomy catheters to an adaptor with connectors to yield a ureteral bypass device in which the nephrostomy and cystostomy catheters are fluidically connected together through the adaptor and the ureteral bypass device defines an internalized urinary diversion through which urinary drainage occurs from the kidney to the urinary bladder and entirely bypasses the ureter of the patient, the connectors enabling interchangeability of the nephrostomy and cystostomy catheters with additional nephrostomy and cystostomy catheters, the adaptor having an internal reservoir compartment and an entry site that comprises a self-sealing septum; and implanting the adaptor and closing the incision so that the ureteral bypass device is entirely located internally of the patient, the entry site of the adaptor is subcutaneously located in proximity to skin of the patient, and the septum is accessible through the skin of the patient to enable performing diagnostic and therapeutic procedures including testing, sampling and flushing of the ureteral bypass device in its entirety while the ureteral bypass device is within the patient and without necessitating removal of the ureteral bypass device from the patient or surgical manipulation.