Varsity Healthcare Partners has announced the close of its sale of Probo Medical to Avista Capital Partners.

Probo, based in Fishers, Ind., is a supplier of refurbished diagnostic imaging equipment. Founded in 2014, the company’s set of services include equipment sales, part sales, equipment rentals, depot repair service, equipment installation and de-installation, and field-based repair service

VHP, with offices in Los Angeles and Stamford, Conn., is a lower middle market private equity firm focused on healthcare services. Founded in 2014, VHP aims to commit equity investments ranging from $20 million to $60 million.

Avista, based in New York, makes control buyout investments in middle market healthcare companies. Founded in 2005, the firm focuses on the following healthcare subsectors: pharmaceuticals, medical devices, outsourced pharmaceutical services, distribution and consumer-driven healthcare.

Terms of the transaction were not disclosed.