After a while, your Trapdoor ™ C-tube may wear out. If it does, your
doctor can replace it with a new one. If you see any of the following
signs of wear or failure on your Trapdoor ™ notify your doctor
immediately:

• a crack in the hinge, tube or cap
            
• a loose, leaky fit between the Trapdoor ™ connecting tube
  and the C-tube
              
• unusual discharge or irritation at tube site

If you have any other problems with the Trapdoor ™ , refer to the
Troubleshooting Chart on page 36.