ClearanceBrief
Recall Z-0713-06 ยท LLZ System, Image Processing, Radiological

Sonosite, Inc.

SonoCalc IMT 3.0, a windows based software used in conjunction with images from high-resolution ultrasound systems (MicroMaxx, TITAN, and SonoSite180PLUS). This software generates a report with the patients intima media thickness (IMT) based on average thickness of the carotid artery.

DateApr 6, 2006 (initiated Oct 26, 2005)
StatusTerminated
ReasonWhen SonoCalc IMT 3.0 software is used with the SonoSite 180Plus ultrasound system, the software miscalculates the intima-media-thickness, a measurement of risk for cardiovascular or cerebrovascular events. Underestimates percentage of stenosis, false negative result.
Root causeOther
ActionOn October 26, 2005, the company sent their customers a User Guide Addendum that told customers how to verify that the image calibration data was correct.
Quantity155 units of the SonoCalc product to about 80 customers/distributors
DistributionNationwide, Kuwait, Mexico, South Africa, Chile, Spain, Japan, Puerto Rico, Australia. A list of 155 cases in which the software was sent out lists medical facilities, physicans, and SonoSite Distributors.
FDA recordOpen on fda.gov

510(k) clearances named in this recall

K030223SONOCALC
Sonometric Health, LLC, Feb 6, 2003