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Perfect balance. Uncompromised.

Cios Alpha is a high‐definition 2D mobile C‐arm designed to give surgeons certainty in image-guided surgery, image quality and dose. Thanks to Retina technology for optimal images, CARE technologies for the right dose in each case, and intelligent power management, the Cios Alpha delivers the perfect balance between image quality and dose.

  • Excellent images, right dose
  • Easy handling, smooth workflow
  • Extended capabilities, smart growth

Cios Alpha delivers more than the perfect balance between image quality and dose. You also profit from ease of use, fewer distractions in workflows, and optimal utilization of your equipment. Safeguard excellent image quality at the right dose for all patients, fully focus on your procedures, and grow into more profitable procedures.

Excellent images, right dose
Cios Alpha comes with Retina and CARE technologies to safeguard excellent image quality at the right dose for all patients. For each individual case, Cios Alpha puts you in control of the level of detail to see what you need to see — and to rest assured image quality does not necessarily come at the expense of higher dose.


See the details you need: Retina technology

  • Optimally transforms X-rays into outstanding images
  • See exceptionally small details regardless of clinical application, patient size or length of surgery
  • New Retina Imaging Chain with integrated Retina FD (CMOS) technology

The right dose in each individual case: CARE

  • Reducing dose is as easy as possible
  • Protect your patients and your team
  • Featuring dedicated exam sets, dose buttons, smart collimation or laser light localizer1

The extra boost when you need it: Power

  • Handle complex vascular and cardiac cases
  • Profit from intelligent power management, an Energy Storage Unit (ESU)1 and active cooling1
  • Where other systems would overheat, Cios Alpha stays cool and powerful

Easy Handling, Smooth Workflow

Cios Alpha is designed for ease of use and fewer distractions in workflows. Its straightforward system and software design reduce hassle and allow you to fully focus on what you need to do.

Concentrate on the patient, not the equipment: Ease of use

  • Save valuable time and improve efficiency in your clinical workflow
  • Reduce the need to instruct staff during surgery
  • Reduce the time to find and hold the right positions
  • Includes single-touch positioning1, motorization package1, electromagnetic brakes and touch user interface

Maintain the highest infection control standards

  • Anti-microbial surface and washable mouse1
  • Makes cleaning and disinfection as easy as possible
  • Reduces microbial growth on the system

Smart documentation and transfer of data: Data handling & connectivity

  • Reduce the time you spend on data handling and transfer
  • Intuitive interfaces and smart export functions

Extended capabilities, smart growth

Cios Alpha helps you expand your clinical capabilities and optimize utilization of your equipment. Conveniently order additional applications through the Siemens Healthineers Digital Ecosystem Store and fully integrate them into your mobile C-arm. Save costs, take on more challenging cases and grow into more profitable procedures.

Expand your capabilities the easy way: Cios OpenApps2

  • Open new possibilities by connecting to the Siemens Healthineers Digital Ecosystem Store
  • Choose from compatible and certified apps around your imaging devices and procedures
  • Download apps that help you streamline your work

Technical Details

  Cios Alpha provides cutting-edge mobile imaging for exceptionally small details at the right dose. Learn more about what is inside.

System specification
Detector technology Flat detector (FD), CMOS (complementary metal-oxide-semiconductor)
Field of view 30 cm x 30 cm (12" x 12")
20.6 cm x 20.6 cm (8" x 8")1
Image resolution 1952 x 1952 pixel / 1360 x 1360 pixel1
Power output 25 kW / 12 kW2
Orbital movement 148° (– 51.5° to + 96.5°)
Immersion depth 73 cm (28.7”)
Free space 84 cm (33.1”)
Monitors 2 x 19“ TFT premium high-brightness color display1
2 x 19“ TFT high-brightness color display"
Image storage 300,000 images
WLAN Compatible with 802.11 a/b/e/g/h/i/n WLAN standards
Clinical applications and workflows :
Vascular software Vascular Software1, Vascular Software Premium1
Live graphical overlay Yes1
Stenosis quantification Yes1
2D Measurement Yes1
Injector trigger interface Yes1
Navigation interface NaviLink 2D1
Energy Storage Unit (ESU) Yes1
Cooling system tube Active1
SmartView - HD VideoManager Yes1
DICOM Services DICOM Send / Storage Commitment1
DICOM Print1
DICOM Query / Retrieve1
DICOM Worklist / MPPS1
Digital Cine Mode (DCM) Yes1
Cios OpenApps Yes
Anti-microbial paint Yes
System control :
Control technology Touch user interface
Breaks control Electromagnetic brakes
Table-side control Yes, remote user interface1
Motorization Yes, angular and orbital1
Position storage 2 positions1
Laser light localizer Yes1
Wireless footswitch Yes
Room planning :
Unit fuse protection 100 V to 127 V 20 A slow-blow fuse
200 V to 240 V 15 A slow-blow fuse
Dimensions C-arm(l x w x h) 197 cm x 83 cm x 165 cm
(77.6“ x 32.7“ x 65“)
Dimension monitor cart(l x w x h) 70 cm x 74 cm x 179.5 cm (27.6“ x 29.1“ x 70.7“),
motor-driven1 + 16 cm (+ 6.3“)
Weight C-arm Cios Alpha 12 kW1 352 kg (775 lbs)
Cios Alpha 25 kW 360 kg (792 lbs)
Cios Alpha 25 kW with Energy Storage Unit (ESU)1 374 kg (824 lbs)
Additional weight for motorization1 13 kg (29 lbs)
Weight monitor cart 240 kg (529 lbs) (including 2 monitors, UPS)

Contact us today to learn more about how we can help you solve your most pressing challenges.

1 Option
2 Apps via Cios OpenApps are available in the Siemens Healthineers Digital Ecosystem Store only. The store as well as the apps may not be available in all countries worldwide. Please check with your Siemens Healthineers sales representative the availability of store and apps in your country.