Catalogue Number: 3676 Medtronic Solan Tonopen XL Applanation Tonometer Category: Equipment Sub-Category: Tonometer Corporation: Medtronic Solan Year Of Publication/Manufacture: c 2002 Time Period: 21st C Place Of Publication/Manufacture: Jacksonville, Florida, USA Publisher/Manufacturer: Medtronic Solan Description Of Item: Foam lined black plastic case 264 mm x 188 mm x 72 mm with turnbuckle catch containing white plastic tonometer marked 'Medtronic Solan Tono-pen XL Applanation Tonometer with logo,and LED display, battery removal stylus, batteries, battery information leaflet, Ocu-Film tip covers (9) and 36 page spiral bound instruction manual. A copy of an internal ACO e-mail outlining the device is included. Instrument only in Museum Gallery display. Historical Significance: The Tono-pen is a lightweight hand held applanation tonometer which can be used in a variety of positions. IOP is measured by a minute electronic strain gauge linked to a microchip. A single use tip cover is required when performing measurements and acts as a barrier to reduce the chance of infection.Medtronic Solan is a USA based medical electronics company founded in 1949 as an instrument repair firm. Its development of a portable battery operated pacemaker led to expansion in the medical electronic devices field. How Acquired: Donated by ACO Clinic Date Acquired: 26/11/2018 Condition: Good Location: Archive room. East wall Unit 3 Cupboard |