I believe it may have been our licensee who was the fourth case, & the
one that prompted the Bulletin, & I can verify that the incident did not
involve a break between the source & the drive cable; the source
remained connected to the cable..
kkaufman@dhs.co.la.ca.us
>>> James Myers <JHM@nrc.gov> 08/18/99 05:04am >>>
Paul,
Thanks for the clarification on the problem with the GammaMed HDR units.
The Bulletin speaks for itself. The problem appears to be a separation
from the drive mechanism and not a "break" between the source and the
drive cable as my note indicated.
Jim Myers
jhm@nrc.gov
>>> <Paul_Tyree@CIS-US.CCMAIL.compuserve.com> 08/17 5:54 PM >>>
James Myers <JHM@nrc.gov>wrote:
Subscribers,
Theratronics International Limited has issued a "User Bulletin" to
GammaMed
customers as a result of four recent incidents involving source cable
separation.
CLARIFICATION HERE:
The bulletin refers to 4 incidents in which "...the source cable became
separated from the driving mechanism." NOT separation of the source
from the
cable!...as grammatically semaphored in Mr. Myers' opening sentence
above.
BIG, HUGE, GIGANTIC DIFFERENCE - Let's be more careful out there, even
as we
strive to be helpful. Thanks for your attention.
Paul Tyree, RSO
CIS-US, Inc.
tel. 781/275-7120
The bulletin has been sent to GammaMed 12i and 12it high dose rate
afterloader
users and to the radiation control programs in the Agreement States. The
bulletin describing Theratronics recommendations to users and actions
being
taken to remedy the situation is now posted at the OSP web site's
"What's New"
area.
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information can be accessed at http://www.ehs.uiuc.edu/~rad/radsafe.html