Doctor

Old Doc Carver was a family practitioner who still made house calls. One afternoon he was called to the Tuttle house. Mrs. Tuttle was in terrible pain. The doctor came out of the bed- room a minute after he'd gone in and asked Mr. Tuttle, "Do you have a hammer?"
      
      A puzzled Mr. Tuttle went to the garage, and returned with a hammer. The doctor thanked him and went back into the bedroom. A moment later, he came out and asked, "Do you have a chisel?" Mr. Tuttle complied with the request.
      
      In the next ten minutes, Dr. Carver asked for and received a pair of pliers, a screwdriver and a hacksaw. The last request got to Mr. Tuttle. He asked, "What are you doing to my wife?"
      
      "Not a thing," replied old doc Carver. "I can't get my instrument bag open."
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I thought that joke was appropriate for this balloon I made.   What should you do for a 40th b-day party for a doctor?  What else besides an old doctor using a walker (ear hair and all!)