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U.S. Department of Health and Human Services

Class 2 Device Recall 52leaf Standard MLC multileaf collimator

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  Class 2 Device Recall 52leaf Standard MLC multileaf collimator see related information
Date Initiated by Firm January 16, 2012
Date Posted February 23, 2012
Recall Status1 Terminated 3 on July 26, 2012
Recall Number Z-1090-2012
Recall Event ID 61074
510(K)Number K943224  K050442  K071992  
Product Classification Accelerator, linear, medical - Product Code IYE
Product Varian brand Varian 52-leaf Standard MLC multileaf collimator;

Reference/FSCA Identifier: CP-04792; Model Number(s): All models, including
H52, H54, H56, HHM; Product is manufactured and distributed by Varian Medical Systems Inc., Palo Alto, CA.

The Multileaf Collimator is intended to assist the Radiation Oncologist in the delivery of radiation to well defined target volumes while sparing surrounding normal tissue and critical organs from excess radiation.
Code Information Serial Numbers/CODES:   H520102 ,H520235 ,H520362 ,H520458 ,H520542 ,H520614 ,H520682 ,H520740 ,H520797 ,H520116 ,H520237 ,H520364 ,H520461 ,H520545 ,H520615 ,H520684 ,H520743 ,H520798 ,H520122 ,H520244 ,H520367 ,H520468 ,H520546 ,H520618 ,H520685 ,H520745 ,H520799 ,H520126 ,H520247 ,H520368 ,H520474 ,H520547 ,H520619 ,H520687 ,H520746 ,H520800 ,H520130 ,H520251 ,H520369 ,H520481 ,H520548 ,H520620 ,H520689 ,H520747 ,H520801 ,H520134 ,H520300 ,H520370 ,H520482 ,H520552 ,H520622 ,H520690 ,H520748 ,H520804 ,H520136 ,H520302 ,H520373 ,H520485 ,H520553 ,H520624 ,H520691 ,H520750 ,H520808 ,H520138 ,H520304 ,H520378 ,H520488 ,H520554 ,H520625 ,H520693 ,H520752 ,H520809 ,H520141 ,H520305 ,H520380 ,H520489 ,H520555 ,H520626 ,H520695 ,H520755 ,H520810 ,H520146 ,H520311 ,H520381 ,H520490 ,H520557 ,H520627 ,H520697 ,H520756 ,H520811 ,H520154 ,H520312 ,H520386 ,H520493 ,H520559 ,H520628 ,H520698 ,H520757 ,H520813 ,H520156 ,H520315 ,H520387 ,H520496 ,H520560 ,H520630 ,H520699 ,H520760 ,H520815 ,H520161 ,H520318 ,H520391 ,H520499 ,H520563 ,H520631 ,H520700 ,H520761 ,H520817 ,H520168 ,H520319 ,H520394 ,H520501 ,H520564 ,H520632 ,H520701 ,H520762 ,H520818 ,H520169 ,H520320 ,H520395 ,H520505 ,H520566 ,H520633 ,H520704 ,H520763 ,H520820 ,H520172 ,H520322 ,H520396 ,H520506 ,H520571 ,H520637 ,H520707 ,H520765 ,H520821 ,H520175 ,H520324 ,H520398 ,H520508 ,H520575 ,H520639 ,H520708 ,H520766 ,H520823 ,H520179 ,H520326 ,H520406 ,H520509 ,H520577 ,H520640 ,H520710 ,H520767 ,H520824 ,H520180 ,H520328 ,H520408 ,H520511 ,H520578 ,H520642 ,H520714 ,H520768 ,H520827 ,H520182 ,H520329 ,H520409 ,H520512 ,H520580 ,H520643 ,H520715 ,H520769 ,H520828 ,H520183 ,H520330 ,H520410 ,H520513 ,H520582 ,H520647 ,H520717 ,H520771 ,H520832 ,H520184 ,H520333 ,H520412 ,H520514 ,H520584 ,H520648 ,H520718 ,H520772 ,H520833 ,H520186 ,H520334 ,H520413 ,H520517 ,H520585 ,H520649 ,H520719 ,H520773 ,H520840 ,H520190 ,H520335 ,H520414 ,H520518 ,H520587 ,H520650 ,H520720 ,H520774 ,H520841 ,H520191 ,H520336 ,H520421 ,H520520 ,H520589 ,H520654 ,H520721 ,H520775 ,H520843 ,H520192 ,H520338 ,H520423 ,H520521 ,H520590 ,H520659 ,H520722 ,H520776 ,H520849 ,H520197 ,H520340 ,H520432 ,H520522 ,H520596 ,H520660 ,H520724 ,H520778 ,H520851 ,H520198 ,H520346 ,H520436 ,H520524 ,H520598 ,H520661 ,H520726 ,H520783 ,H520852 ,H520199 ,H520347 ,H520437 ,H520525 ,H520599 ,H520663 ,H520727 ,H520784 ,H520853 ,H520202 ,H520350 ,H520438 ,H520529 ,H520600 ,H520664 ,H520728 ,H520785 ,H520854 ,H520204 ,H520351 ,H520439 ,H520531 ,H520601 ,H520665 ,H520731 ,H520786 ,H520855 ,H520205 ,H520352 ,H520440 ,H520532 ,H520605 ,H520666 ,H520732 ,H520790 ,H520856 ,H520211 ,H520354 ,H520442 ,H520533 ,H520609 ,H520671 ,H520734 ,H520793 ,H520857 ,H520216 ,H520356 ,H520443 ,H520535 ,H520610 ,H520674 ,H520737 ,H520794 ,H520858 ,H520217 ,H520357 ,H520445 ,H520537 ,H520611 ,H520678 ,H520738 ,H520795 ,H520859 ,H520221 ,H520359 ,H520447 ,H520541 ,H520612 ,H520679 ,H520739 ,H520796 ,H520860  ,H541142 ,H561022 ,H561064 ,H561137 ,H561176 ,HHM0006 ,HHM0064 ,H541227 ,H561023 ,H561067 ,H561138 ,H561178 ,HHM0007 ,HHM0066 ,H541249 ,H561024 ,H561069 ,H561139 ,H561179 ,HHM0008 ,HHM0067 ,H541331 ,H561025 ,H561070 ,H561140 ,H561180 ,HHM0009 ,HHM0069 ,H541344 ,H561026 ,H561076 ,H561141 ,H561181 ,HHM0010 ,HHM0099 ,H541425 ,H561027 ,H561096 ,H561142 ,H561182 ,HHM0011 ,HHM1202 ,H541429 ,H561028 ,H561100 ,H561144 ,H561185 ,HHM0012 ,H541449 ,H561029 ,H561101 ,H561145 ,H561186 ,HHM0013 ,H541463 ,H561030 ,H561102 ,H561146 ,H561187 ,HHM0014 ,H541465 ,H561031 ,H561103 ,H561147 ,H561188 ,HHM0015 ,H541467 ,H561033 ,H561104 ,H561148 ,H561189 ,HHM0016 ,H541640 ,H561034 ,H561105 ,H561149 ,H561190 ,HHM0017 ,H542515 ,H561035 ,H561106 ,H561150 ,H561191 ,HHM0018 ,H542737 ,H561036 ,H561107 ,H561151 ,H561192 ,HHM0019 ,H542755 ,H561037 ,H561109 ,H561152 ,H561193 ,HHM0020 ,H542834 ,H561038 ,H561110 ,H561153 ,H561194 ,HHM0022 ,H543057 ,H561039 ,H561111 ,H561154 ,H561195 ,HHM0023 ,H543093 ,H561040 ,H561112 ,H561155 ,H561196 ,HHM0024 ,H543311 ,H561041 ,H561113 ,H561156 ,H561199 ,HHM0025 ,H544189 ,H561043 ,H561114 ,H561157 ,H561200 ,HHM0026 ,H545563 ,H561044 ,H561115 ,H561158 ,H561201 ,HHM0027 ,H545773 ,H561045 ,H561116 ,H561159 ,H561203 ,HHM0028 ,H561006 ,H561046 ,H561117 ,H561160 ,H561204 ,HHM0029 ,H561008 ,H561047 ,H561118 ,H561161 ,H561205 ,HHM0030 ,H561009 ,H561048 ,H561119 ,H561162 ,H561206 ,HHM0031 ,H561010 ,H561050 ,H561120 ,H561163 ,H561207 ,HHM0032 ,H561011 ,H561052 ,H561121 ,H561166 ,H561208 ,HHM0033 ,H561012 ,H561053 ,H561122 ,H561167 ,H561209 ,HHM0034 ,H561013 ,H561054 ,H561123 ,H561168 ,H561210 ,HHM0035 ,H561015 ,H561057 ,H561124 ,H561169 ,H561211 ,HHM0036 ,H561016 ,H561058 ,H561126 ,H561170 ,H561212 ,HHM0038 ,H561017 ,H561059 ,H561128 ,H561171 ,H561215 ,HHM0039 ,H561018 ,H561060 ,H561130 ,H561172 ,H563989 ,HHM0060 ,H561019 ,H561061 ,H561134 ,H561173 ,H564795 ,HHM0061 ,H561020 ,H561062 ,H561135 ,H561174 ,HHM0004 ,HHM0062 ,H561021 ,H561063 ,H561136 ,H561175 ,HHM0005 ,HHM0063 
Recalling Firm/
Manufacturer
Varian Medical Systems, Inc. Oncology Systems
911 Hansen Way
Palo Alto CA 94304-1028
For Additional Information Contact Peter J. Coronado
650-424-5731
Manufacturer Reason
for Recall
When using the Standard and Millennium 52-leaf MLC multi-leaf collimators for beam shaping, under specific treatment conditions, dose may be delivered outside of the intended treatment field that exceed the expected transmission dose.
FDA Determined
Cause 2
Device Design
Action Varian Medical Systems sent an "URGENT MEDICAL DEVICE CORRECTION" letter dated January 16, 2012 to all affected customers. The letter describes the product, problem, and actions to be taken by the customers. The letter provides recommended actions when planning and treating dynamic fields on the 52 leaf MLCs. Contact the Help Desk at 1-888-827-4265 for questions regarding this recall.
Distribution Worldwide Distribution-USA (nationwide) including Puerto Rico and the countries of Canada, China, Austria, Belgium, Denmark, Finland, France, Germany, Greece, Hungary, Ireland, Italy, Latvia, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Spain, Sweden, Switzerland, United Kingdom, Singapore, Bahrain, Egypt, Hong Kong, India, Indonesia, Israel, Malaysia, Morocco, Nepal, South Africa, South Korea, Taiwan, Turkey, Ukraine, United Arab Emirates, Japan, Brazil, Chile, Colombia, Mexico, Panama, Venezuela, Saudi Arabia, and Australia.
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 = IYE and Original Applicant = VARIAN ASSOC., INC.
510(K)s with Product Code = IYE and Original Applicant = VARIAN MEDICAL SYSTEMS
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