A valve loading system (100) is provided that uses a valve loader (106) to transfer a valve or other medical device from a storage cartridge (104) into a deployment catheter (102). The valve or other medical device can be implanted or positioned within a patient using the catheter after the valve or other medical device has been compressed and loaded into the catheter using the valve loader. The process then can be repeated by using the valve loading system to load or introduce another valve or other medical device into the catheter.