The dilator lock secures dilator to sheath, make synchronously movement of dilator and sheath possible
The inner lumen is lined by PTFE to facilitate operation
A ureteral access sheath adapted for insertion into a urethra includes an elongate tube
Hydrophilic coating creats low friction surface to ease the process
It is used for the establishment of surgical pathway for endoscopic surgery in Department of Urology. It helps endoscopy or other instruments to enter the urinary tract and provides a channel of continuous operation.And it can reduce the possibility of trauma, and prevent the precision equipment and the soft endoscope from damage.
It is used to expand and establish channels for instrumentation when patients with renal calculi or hydronephrosis are treated with percutaneous nephrostomy dilation and endoscopic surgery.
In clinic, the expansion tube with sheath tube is implanted into the human body under the guidance of guide wire, and the expansion tube is removed, and the sheath tube is placed in the body for surgical instruments or drainage catheter placement.
Because it can remain in the human body for a period of time, reducing the pain of patients and the workload of nursing staff, it is a common minimally invasive surgical instrument in clinic.