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Dormia® N. Stone Retrieval Devices

Dormia® N. Stone baskets are designed for stone extraction within the ureter during rigid or semi-rigid ureteroscopy. N. Stone baskets feature a 4-wire helical shape with an atraumatic tip for effective stone retention. The Teflon coated sheath reduces friction and provides smooth movements within the ureteroscope. All baskets feature an ergonomic and removable handle that can be operated with one hand.

Dormia N Stone

Quick Look


  • 4-wire construction for effective stone retention in a helical-wire design
  • Nitinol Basket Cage for maximum shape retention memory
  • Kink-resistant, and flexible design


  • Teflon coated sheath reduces friction and provides smooth movements within ureteroscopes


  • Removable, ergonomic and single-handed use
  • Quality torque to aid in stone capture

Ordering Information

Dormia N. Stone Retrieval Baskets
Item Diameter



Basket Size(mm)

Sales UOM EA / Sales UOM
EXT624 2.5 90; 12.5 Each 1 EA
EXT424 3.0 90; 15.0 Each 1 EA
EXT224 4.0 90; 15.0 Each 1 EA

Dormia® No-Tip, N. Stone Brief Statement

Extraction of urinary tract calculi.

Any conditions contraindicating the use of a stone extractor. Any known allergies to the medical device materials. Extraction of biliary duct calculi.

Warnings and Precautions
Do not use with a flexible endoscope. This type of instrument must only be used by trained and experienced professionals.

Adverse Events
Lesions of the urinary tract if the operating procedure and the warnings set out below are not observed.

The risks and benefits of using Dormia® No-Tip, N. Stone should be considered in patients.

The information provided is not comprehensive with regard to product risks. For a comprehensive listing of indications, contraindications, warnings and precautions refer to the product’s Instructions for Use. Alternatively, you may contact a Coloplast representative at 1-800-258-3476 and/or visit the company Website at

Complications from the use of this device should be brought to the attention of your Coloplast Representative and your physician.

Caution: Federal (USA) law restricts this device to sale by or on the order of a physician.
Minneapolis, MN

Ordering information

For ordering information, please call 800-258-3476.


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