US 12,273,989 B2
Linac joints
Ian Shinton, Crawley (GB); and Shaikh Mohammad Ismail Abdul Gaffar, Crawley (GB)
Assigned to Elekta Limited, Crawley (GB)
Appl. No. 18/000,052
Filed by Elekta Limited, Crawley (GB)
PCT Filed May 28, 2021, PCT No. PCT/EP2021/064455
§ 371(c)(1), (2) Date Nov. 28, 2022,
PCT Pub. No. WO2021/240002, PCT Pub. Date Dec. 2, 2021.
Claims priority of application No. 2007977 (GB), filed on May 28, 2020.
Prior Publication US 2023/0239991 A1, Jul. 27, 2023
Int. Cl. H05H 7/22 (2006.01); A61N 5/10 (2006.01); H01P 1/04 (2006.01); H01P 3/12 (2006.01); H05H 7/02 (2006.01); H05H 9/00 (2006.01)
CPC H05H 7/22 (2013.01) [A61N 5/1078 (2013.01); H01P 1/042 (2013.01); H01P 3/12 (2013.01); H05H 7/02 (2013.01); H05H 9/00 (2013.01); A61N 2005/1095 (2013.01); H05H 2007/025 (2013.01); H05H 2277/11 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A reusable ConFlat (CF) joint for a medical linear accelerator (linac), the reusable CF joint comprising:
a CF choke flange comprising:
a choke groove; and
a first CF groove comprising a first knife-edge, wherein the choke groove is disposed radially inwards from the first CF groove on the CF choke flange;
a CF cover flange comprising:
a second CF groove comprising a second knife-edge and aligned with the first CF groove; and
a gasket disposed between and in contact with the first CF groove and the second CF groove;
wherein the CF choke flange and the CF cover flange comprise a waveguide aperture configured to allow passage of at least one of RF waves or electrons through the waveguide aperture along a waveguide.