Amy,
Although I've never tried to use it this way, I have a portable suction machine that I am suposed to be able to plug in to my cigarrette lighter in the car. Don't remember how long it will operate on this since I have never done it. Machine comes in a carrying case about 8" by 8" by 8". Don't know if it would work for you, but might investigate. Beats lugging one of those huge stationaries if it does.

Take care,
Eileen


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Aug 1997 unknown primary, Stage III
mets to 1 lymph node in neck; rt ND, 36 XRT rad
Aug 2001 tiny tumor on larynx, Stage I total laryngectomy; left ND
June 5, 2010 dx early stage breast cancer
June 9, 2011 SCC 1.5 cm hypo pharynx, 70% P-16 positive, no mets, Stage I