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The Disposable ureteral stent is intended for temporary drainage from the ureteropelvic junction to the bladder of the ureter in a variety of benign, malignant and post-traumatic conditions of the ureter. These conditions include stones and/or stone fragments or other ureteral obstructions such as those associated with ureteral stricture, malignancy of abdominal organs, retroperitoneal fibrosis or ureteral trauma, or in association with Extracorporeal Shock Wave Lithotripsy (ESWL). The stent should be placed using endoscopic surgical technique. The stent is not intended as a permanent indwelling device. The indwelling time should not exceed thirty (30) days. The 4Fr model is intended to be used for pediatric (adolescents, children, and infants) patients.

Disposable ureteral stents are sterile, single-use devices, that are inserted into the ureter endoscopically to facilitate the drainage of urine from the kidney to the bladder and can be used for treatment of ureter blockage and stricture. The stents are available in 4.0 to 12.0 French (Fr) diameter, with lengths ranging from 12.0 to 30.0 centimeters (cm). The device includes a polyurethane stent, a push catheter, and optional accessories - a guide wire (coated guide wire, hydrophilic guide wire, or zebra guide wire) and a guide wire sheath. The stents include Type A, C, D, F, and H stents all of which are composed of tube bodies only. The stents are secured in the urinary tract with pigtail loops on the proximal (renal pelvis) and distal (bladder) ends. The Disposable ureteral stents are not intended as a permanent indwelling device and is labeled for indwell time not to exceed thirty (30) days only.

The Disposable Ureteral Access Sheath is used to establish a continuous conduit during urological endoscopic procedures facilitating the in and out passage of endoscopes and other instruments into the urinary tract.

The proposed device, Disposable Ureteral Access Sheath is used to establish a continuous conduit during urological endoscopic procedures facilitating the in and out passage of endoscopes and other instruments into the urinary tract. This device is divided into five types: - Z type Straight joint access sheath - Y type negative suction Y joint access sheath - W type negative suction W joint access sheath - T type Straight joint access sheath - C type negative suction W joint access sheath This product consists of access sheath and dilator tube. The access sheath tube consists of access sheath tube body and access sheath joint. The surface of access sheath tube is coated with polyvidone (PVP). The dilator tube consists of dilator tube body and dilator tube connector. The access sheath tube body is made from nylon (PA), stainless steel and polytetrafluoroethylene (PTFE). The access sheath joint is made from polycarbonate (PC), acrylonitrile-butadiene-styrene copolymer (ABS) and silicone. The dilator tube body and dilator tube connector are made from PE. The proposed devices are sterilized by Ethylene Oxide Gas to achieve a SAL of 10-6 and supplied sterility maintenance package which could maintain the sterility of the device during the shelf life of 3 years.