230000000903 blocking Effects 0.000 claims abstract description 17.

Status Active legal-status Critical Current Adjusted expiration legal-status Critical Links Assignors: PRINCE, STEVEN W., MANSFIELD, STANLEY Priority to PCT/US2011/048201 priority patent/WO2012027180A2/en Priority to CN201180042837.7A priority patent/CN103079643B/en Publication of US20120043482A1 publication Critical patent/US20120043482A1/en Priority to US14/144,509 priority patent/US9082520B2/en Application granted granted Critical Publication of US8637841B2 publication Critical patent/US8637841B2/en First worldwide family litigation filed litigation Critical (A1) 'Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). reassignment VARIAN MEDICAL SYSTEMS, INC. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Family has litigation Application filed by Varian Medical Systems Inc filed Critical Varian Medical Systems Inc Priority to US12/861,368 priority Critical patent/US8637841B2/en Assigned to VARIAN MEDICAL SYSTEMS, INC. Original Assignee Varian Medical Systems Inc Priority date (The priority date is an assumption and is not a legal conclusion.

Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) Prince Stanley Mansfield Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Granted Application number US12/861,368 Other versions US8637841B2 Google Patents US20120043482A1 - Multi level multileaf collimators

US20120043482A1 - Multi level multileaf collimators

Multi leaf collimator definition