SRS Cone Adapter

REF: 50-370

Aktina’s Small Field Circular Collimators are safe, light-weight, simple to use, and extremely accurate. The Adapter simply snaps onto the Elekta LINAC head without the need for modifications to the collimator face plate.Inter-changeable cones are provided over a range of 5 through 40mm field sizes (increments of 1mm). Each cone is uniquely recognized by the Elekta LINAC by a simple coding system: code value = size of the cone in mm. This reduces potential errors that could occur at treatment.

The system has been jointly validated by Aktina and Elekta and is compatible with Elekta’s bar code scanner system for jaw size verification.

The precision LINAC interface is extremely reproducible without any play.

US Patent 9449727

Obtaining a Product User Manual

User manuals can be obtained in either electronic format (PDF) or hard copies.

To obtain an electronic copy of a user manual, select the language of choice below and click on ‘get username/password’ button to request a username and password. Once a username and password has been provided, click on the ‘download’ button. Aktina will respond to username/password requests within 24 hours.

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To obtain a hard copy of a user manual, click on the ‘request hard copy’ button below for the desired language.

English Request hard copy
Manual de espanol (Spanish) Solicitar copia impresa
中文手冊 (Chinese) 索取硬拷贝
Manuale italiano (Italian) Richiedi copia cartacea
Manuel en francais (French) Demander une copie papier
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日本語マニュアル (Japanese) ハードコピーを請求する
Hrvatski priručnik (Croatian) Zatražite tiskani primjerak
Manual Português (Portuguese) Solicitar cópia impressa

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Technical Specifications

LINAC Compatibility Elekta Digitial Accelerators (with bar code scanning)
MLC Compatibility Agility and MLCi2
Linac Interface Direct Mount
Adapter Weight 6.9 kg (15.2 Lbs)
Cone Weight 5.2 - 5.6 kg (11 - 12 lbs)
Collimation Type Divergent
Cone Sizes Available 5 through 40 mm
Attenuating Material Lead
Cone Exterior Stainless Steel
Patient Clearance 33.1 cm
Code Type Beam Block Tray
Code Value no cone: 64
with cone: cone size in mm
QA insert: 63
TPS Compatibility Monaco 5.11 or greater
Pinnacle 9.10 or greater
Raystation v5 (with DICOM filter applied)
IEC performance data Available upon request (email:

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