—#116751

Product

SIEMENS brand COHERENCE RT Therapist versions RTT MR1.5, RTT 2.1/2.1A and RTT 2.2/ 2.2B; Software release for COHERENCE Therapist 2.3 for Primus and Oncor Linear Accelerators; Model: COHERENCE TH 2.2, Part No. 10568431, Current R640; Product Usage: The intended use of the SIEMENS branded ONCOR and PRIMUS family of linear accelerator systems is to deliver X-ray photon and electron radiation for the therapeutic treatment of cancer.

FDA product code: IYE — Accelerator, Linear, Medical
Device class: Class 2
Medical specialty: Radiology
510(k) numbers: K060226, K092145, K123812, K993425
Affected lot / code info: All units of these models.

Why it was recalled

Siemen's issued a Customer Information Letter under Update Instruction TH016/12S to alert all its affected customers of the software issues. The software release is a result of the final system testing addressing multiple performance defects and several safety issues that were not considered critical (for immediate correction) for the safe use of the device.

Root cause (FDA determination)

Software design (manufacturing process)

Action the firm took

Siemens Medical Solutions sent a Customer Information letter via mail to all affected customers. The letter identified the affected product, problem and provide instructions on the correction. Customers were instructed to include the Customer Information letter in the Owner Manual chapter "Safety Advisory Letters". 9-16-13 UPDATE: - Control Console SW 9.2.18 was released to support the rol-out 10/18/2013; Distribution of update instructions for TH017/13S and TH018/13S - Distribtuion of the Control Console SW 9.2.18 released

Recalling firm

Firm: Siemens Medical Solutions USA, Inc
Address: 757 Arnold Dr, Ste A, Martinez, California 94553-3615

Distribution

Distribution pattern: Worldwide Distribution

Timeline

Recall initiated: 0013-03-05
Posted by FDA: 2013-04-02
Terminated: 2014-08-28
Status: —

Source: openFDA Device Recall endpoint. Recall record ID #116751. The FDA issues recall classifications as health-hazard assessments, not legal findings; for legal claims consult a licensed attorney.