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MONTGOMERY® Long-Term Cannula


Product Description

Montgomery® Long-Term Cannula

The patented Montgomery Long-Term Cannula is the result of many years of clinical research and design. Used to replace standard tracheostomy tube, the cannula features a special angled internal flange to ensure that the tube rests horizontally when placed in the trachea. With the Montgomery Cannula, no tube protrudes into the trachea! Made from flexible medical grade silicone, the tube has a highly polished surface that helps maintain a healthy and comfortable tracheostoma. After insertion, a ring washer is slid up to the skin to help ensure patient safety. The tube can be trimmed to a low profile. A groove along the length of the tube confirms the correct position (rotation) of the flange inside. A cleaning and care video is available.

Montgomery Long-Term Cannula diameters correspond to standard tracheostomy tube sizes 4, 6, 8, and 10. There are six different lengths to choose from for each diameter (24 total sizes). The stoma length is measured (in millimeters) along the bottom of the stoma from the inside tracheal wall to the outside skin.

Each Montgomery Long-Term Cannula is supplied sterile, and includes the tube, two plug/ring sets, and product information.


Size = Diameter (trach) x Length (mm)

Size 4

Size 6

Size 8

Size 10

330425 Size 4 x 25

330625 Size 6 x 25

330825 Size 8 x 25

331025 Size 10 x 25

330433 Size 4 x 33

330633 Size 6 x 33

330833 Size 8 x 33

331033 Size 10 x 33

330441 Size 4 x 41

330641 Size 6 x 41

330841 Size 8 x 41

331041 Size 10 x 41

330449 Size 4 x 49

330649 Size 6 x 49

330849 Size 8 x 49

331049 Size 10 x 49

330457 Size 4 x 57

330657 Size 6 x 57

330857 Size 8 x 57

331057 Size 10 x 57

330465 Size 4 x 65

330665 Size 6 x 65

330865 Size 8 x 65

331065 Size 10 x 65


A variety of removable accessories for the Montgomery Long-Term Cannula are available.

These include speaking valves, 15mm adaptors, and additional plug/ring sets.


To order this product, you must have a prescription from a physician. For details and instruction, please click on PRESCRIPTION POLICY.

Product Videos

Cannula System Procedure 11:42

Describes the surgical procedure of placing a Montgomery cannula

  • Cannula System...
    Describes the surgical procedure of placing a Montgomery cannula
  • Cleaning & Car...
    This video demonstrates the cleaning and care of the Montgomer...

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