There is now available to those just starting their medical practices, smaller hospitals as well as  laboratories an opportunity to purchase used medical equipment.  These are private companies who offer a large variety of equipment from fetal monitors to defibrillators.  Many of them offer repair services should you equipment fail at any point. It is to the buyers benefit to look at the many companies that offer the type of equipment you may require.  Many of these are available on line and will give you information regarding a particular speciality item and or pricing. Always be sure to check the background of any company online.