Is there an existing Super VHS Medical Grade Video Cassette Recorder?

Yes, the Mitsubishi HS-MD3000U is the only medical grade S-VHS VCR now manufactured.

Models offered:

HS-MD3000U

HS-MD3000U-3 34 pint parallel interface board

HS-MD3000U-2S RS-232 interface, Sony emulation

HS-MD3000U-2P RS-232 interface, Panasonic emulation