The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 15, 2008
Filed:
Apr. 18, 2007
L. Michael Cutrer, Chatsworth, CA (US);
Richard a Terwilliger, Venice, CA (US);
Joe Wong, South Pasadena, CA (US);
Fredrick Winch, Snohomish, WA (US);
L. Michael Cutrer, Chatsworth, CA (US);
Richard A Terwilliger, Venice, CA (US);
Joe Wong, South Pasadena, CA (US);
Fredrick Winch, Snohomish, WA (US);
North American Scientific, Inc., Chatsworth, CA (US);
Abstract
A brachytherapy device may include an expandable outer cage, an expandable inner cage positioned within the outer cage and configured to receive radioactive material at its perimeter, and a movable actuator configured to cause the outer and inner cages to expand simultaneously in response to movement of the actuator between certain positions while maintaining a substantially constant separation distance between the outer and inner cages.