[ RadSafe ] I-125 seed rupture

Michael Bohan mike.bohan at yale.edu
Fri Feb 29 13:09:27 CST 2008

Hello RadSafers,

Iodine-125 seed are usually encapsulated in a 0.05mm thin Titanium 
walled seed.  They are reasonably robust if they are handled carefully, 
but if the personnel handling them are not careful, it's not that hard 
to compromise the containment by squeezing them too hard with forceps 
or nicking them with a scissors or scalpel.

There are many different manufacturers of these seeds, but if you go to 
this URL and click on "Brachy Sources" and then on "Source Registry", 
you will find that they have a nice list of the various sources on the 
market and most have a diagram of their construction and references to 
additional information.



Mike Bohan, RSO
Yale-New Haven Hospital
Radiological Physics
20 York St. - WWW 204
New Haven, CT 06510
Tele: (203) 688-2950
Fax: (203) 688-8682
Email: mike.bohan at yale.edu

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