The records are kept at the Vic. Public Records Office. Links to records of male and female patients (I think you will need to do your own research)

http://tinyurl.com/ay8qvf8
http://tinyurl.com/a57hp6t

Asylum records are usually closed to the public for around 100 years.
http://prov.vic.gov.au/research/mental-health

Debra