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U.S. Department of Health and Human Services

Class 2 Device Recall RayStation

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  Class 2 Device Recall RayStation see related information
Date Initiated by Firm November 20, 2017
Create Date July 03, 2019
Recall Status1 Terminated 3 on August 08, 2023
Recall Number Z-1930-2019
Recall Event ID 83152
510(K)Number K171536  
Product Classification System, planning, radiation therapy treatment - Product Code MUJ
Product RayStation 3.5, RayStation 4.0, RayStation 4.5, RayStation 4.7, RayStation 5, RayStation 6, RayPlan 1 (RayStation 4.9) and RayPlan 2 (RayStation 6) .
Intended Use: software system designed for treatment planning and analysis of radiation therapy
Code Information Software versions:  3.5.0.16 , 3.5.1.6 , 4.0.0.14 , 4.0.1.4 , 4.0.2.9 , 4.0.3.4 , 4.5.0.19 , 4.5.1.14 , 4.5.2.7 , 4.7.0.15 , 4.7.1.10 , 4.7.2.5 , 4.7.3.13 , 4.7.4.4 , 4.7.5.4 , 4.9.0.42 , 5.0.0.37 , 5.0.1.11 , 5.0.2.35 , 5.0.3.17 , 6.0.0.24 , 6.1.0.26 , 6.1.1.2 and 6.2.0.7  
Recalling Firm/
Manufacturer		 RAYSEARCH LABORATORIES AB
Sveavagen 9
Stockholm Sweden
Manufacturer Reason
for Recall		 When calculating electron Monte Carlo dose with a very large number of histories, the dose calculation may be wrong
FDA Determined
Cause 2		 Software design
Action RaySearch issued Field Safety Notice, Medical Device Correction #24138 via email on November 20th, 2017. The letter identifies the product, issue, health risk and action to take: Do not use a number of histories above 6 million for electron dose calculation. Inspect all commissioned electron beam models for any applicator calculated with greater than 6 million. Contact customer support if you have any further questions. Confirm you have read and understood this notice. This issue will be resolved in the next version of RayStation, scheduled for market release in December 2017. Educate planning staff and all users about this workaround.
Quantity in Commerce 744
Distribution US Nationwide Distribution
Total Product Life Cycle TPLC Device Report
1 A record in this database is created when a firm initiates a correction or removal action. The record is updated if the FDA identifies a violation and classifies the action as a recall, and it is updated for a final time when the recall is terminated. Learn more about medical device recalls.
2 Per FDA policy, recall cause determinations are subject to modification up to the point of termination of the recall.
3 For details about termination of a recall see Code of Federal Regulations (CFR) Title 21 §7.55.
510(K) Database 510(K)s with Product Code = MUJ and Original Applicant = RaySearch Laboratories AB (publ)
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