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FDA Medical Device Recalls (openFDA)

Impac Medical Systems Inc: Impac Medical Systems Sequencer Product Usage: The intended us of Sequencer is to assists in the process of patient treatment on a radiotherapy treatment machine. Sequencer provides the capability to notify the user of actions that need to take place prior to treatment, to display reference images for set up purposed and to auto setup the machine to predefined settings. The actual settings are read from the treatment machine, via the machines communication interface, and compared to predefined values. if a mismatch occurs between the planned values and the actual machine settings, treatment is prohibited. At appropriate points during the treatment, the actual delivered values are recorded to provide treatment tracking.

Recall number
Z-0052-2012
Recalling firm
Impac Medical Systems Inc
Product
Impac Medical Systems Sequencer Product Usage: The intended us of Sequencer is to assists in the process of patient treatment on a radiotherapy treatment machine. Sequencer provides the capability to notify the user of actions that need to take place prior to treatment, to display reference images for set up purposed and to auto setup the machine to predefined settings. The actual settings are read from the treatment machine, via the machines communication interface, and compared to predefined values. if a mismatch occurs between the planned values and the actual machine settings, treatment is prohibited. At appropriate points during the treatment, the actual delivered values are recorded to provide treatment tracking.
Status
Terminated
Initiated
2011-09-09
Posted
2011-10-17
Terminated
2012-03-06
Reason
Varian reported a problem related to certain collimator rotation values which are incorrect on TrueBeam compared to planned values in Mosaiq.
Root cause
Nonconforming Material/Component
Action
" Impac Medical Systems Inc., sent an USER NOTICE letter to all affected consignees on September 20, 2011. The letters identified the source characterization error, clinical impact, and final resolution. The letter states that Elekta Support will follow up with each consignee and remotely correct the source characterization. Customers were instructed to sign, date and return the attached Confirmation of Receipt Form by one of the three ways indicated. The letter instructs consignees to distribute this notice to any and all users of IMPAC software that may potentially be affected by the issue. For questions, concerns, and requests for upgrade, email support@impac.com or call. The letter provided consignees with a complete list of contact information..
Quantity
11 devices
Distribution
Nationwide Distribution (USA) - including the states of: AZ, CA, FL, NJ, NY, NV, TX, VA and WA.
Lot, serial or model codes
All sites with the configuration of the 4D IEC 1217 source file used for the Varian TrueBEam treatment machine.
510(k) numbers
["K981313"]
PMA numbers
not on file
Product code
IYE
Firm FEI
1000123805
Firm city
Sunnyvale
Firm state
CA
Firm country
not on file

Where this comes from

Register
FDA Medical Device Recalls (openFDA)
Publisher
U.S. Food and Drug Administration (openFDA)
File
device-recall-0001-of-0001.json.zip
sha256
b87518bfe2e8
Size
288210821 bytes
Published
2026-09-28
Read
2026-09-29T08:25:23.626Z
Source file
Source file retained · verify
Refresh due
2026-10-06

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Cite as

FDA Medical Device Recalls (openFDA) (U.S. Food and Drug Administration (openFDA)), device-recall-0001-of-0001.json.zip, sha256 b87518bfe2e8, published 2026-09-28

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