These look like a good option for rolling drink carts. Most "medical" is built pretty solid. Cut some holes add cup holders.
https://www.amazon.com/ProHeal-Medi...2lkZ2V0TmFtZT1zcF9waG9uZV9zZWFyY2hfYXRm&psc=1
https://www.amazon.com/ProHeal-Medi...2lkZ2V0TmFtZT1zcF9waG9uZV9zZWFyY2hfYXRm&psc=1