Need help? Give us a call today at 1-866-443-3246 Providian Medical Equipment LLC. is a full service refurbished ultrasound, CT scanner and MRI equipment sales and service company, providing premium, industry-leading new and used diagnostic imaging equipment to the healthcare industry. Thank you for visiting the Ultrasound Probes SIUI page. The terms SIUI and the various SIUI product codes are trademarks of SIUI and the use of these terms on Providian’s website are only for factual descriptions of products. Providian is not an authorized licensed SIUI distributor and is in no way associated with SIUI.