How to Change a Mickey Gastronomy Tube Button

If someone that you know has to be g-tube fed, you probably have to change their "button" often. The Mickey button is where you connect the tubing for feeding or administering meds. This is a low profile unit on his abdomen and needs to be changed monthly for sanitary reasons.


  1. 1
    Always wear gloves. First remove the old button by attaching the empty 5 cc syringe (provided with replacement button) to the port or opening on the side of the button. Slowly pull the plunger on syringe until all water is extracted button unit. Usually about 3 cc's. This button has a balloon on bottom which, when filled, holds the button in place in stomach. Removing the fluid allows the balloon to deflate for safer removal.
  2. 2
    Clean area with peroxide / Betadine and cotton swabs.
  3. 3
    Prepare syringe with clean water. 3 cc's is usually enough.
  4. 4
    Open sterile package and remove new button. Lube stem to new button with water soluble lubricant. Use only enough to provide an easy insertion to g-tube site on abdomen.
  5. 5
    Slowly insert new button into opening at site on abdomen. When the new button is in place, slowly add water with syringe through port on side of button. Usually 2-3 cc's will secure button firmly on abdomen. Check snugness of button. Wipe are with Betadine and you are finished!.


  • You don't necessarily need Betadine or peroxide unless there is an infection. Saline or soap and water are enough.

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Categories: Medication and Medical Equipment