Portable Siemens Acuson Freestyle

Portable Siemens Acuson Freestyle Ultrasound

The World’s First Ultrasound System with Wireless Transducers

The Siemens Acuson Freestyle ultrasound system is designed to meet the unique needs of point-of-care practitioners during ultrasound-guided procedures.

Below is a generalized description of this systems technology, specifications, features, and options. The below may not reflect the features and options available on units in our inventory.

Improved workflow. Increased mobility. It all starts with wireless transducers.
Superior Image Quality

  • Synthetic focusing provides clarity throughout the entire field of view without requiring the user to set focal zones in advance
  • Advanced Spatial Compounding and Speckle Filters provide excellent detail and contrast resolution for improved target and needle visualization during ultrasound-guided procedures
  • 8 GHz ultra-wideband (UWB) high data rate radio provides exceptional real-time wireless imaging
  • Multiple antennas on the transducer and system dedicated to reliable high speed image data transmission

Simpler, More Efficient Workflow

  • Built-in transducer controls allow easy access to real-time operating functions
  • Lightweight, ergonomic transducers are easy to prepare for sterile procedures
  • Simplified user interface with fast access to most commonly used controls
  • Wireless or wired DICOM connectivity
  • Helps reduce the risk of contaminating the sterile field during an ultrasound-guided procedure

Easier, More Flexible Scanning

  • Greater flexibility in positioning the system and the transducer because there is no cable tethering them together
  • Freedom from cable weight or torque allows for greater ease in obtaining accurate transducer and needle positioning during point-of-care procedures

Improved Mobility and Control

  • Quick boot up and shut down in less than 30 seconds
  • System can operate on battery power, streamlining set-up at the patient bedside
  • Wireless alert system helps keep track of transducer location
  • Compact console design requires minimal space in patient room or procedure room

System Specifications

  • System Height: 335 mm (13.2 in)
  • Width: 373mm (14.7 in)
  • Depth: 121 mm (4.8 in)
  • Weight: 4.8 kg (10.5 lbs)

System Console

  • Small footprint mobile roll stand, table top mountable, or zero footprint wall mountable
  • Compact and lightweight module with high-resolution display and streamlined user interface
  • AC or internal battery power
  • Integrated dual transducer battery chargers


  • Adjustable brightness
  • 15 inch (38.1 cm) high-bright LED LCD
  • Resolution: 1024 x 768 pixels
  • Energy saving display power management
  • High contrast ratio
  • Wide viewing angles

Imaging Modes

  • B-Mode (2D)
  • Color Flow Doppler Velocity Mode
  • Color Flow Doppler Power Mode

Control Mechanisms

  • Intuitive and flexible user interface control mechanisms
  • Real-time scanning controls accessible
  • System console: dual rotary controls, side panel soft keys, trackball and trackball keys
  • Transducer slider and soft keys
  • Compatible external USB mouse
  • System console
  • Lower panel soft keys
  • Setup
  • Patient (New Patient)
  • Measure
  • View
  • Side panel soft keys
  • B-mode and Color Flow Controls
  • Selection
  • On/off toggle for select functions
  • Dual rotary controls
  • B-mode and Color Flow controls:
  • Selection
  • On/off toggle for select functions
  • Value adjustment for all controls
  • Transducer slider and soft keys
  • B-mode and Color Flow controls
  • Selection
  • On/off toggle for select functions
  • Value adjustment for all controls

Wireless Imaging

  • Lossless digital image data high speed
  • wireless transmission using a proprietary 7.8 GHz ultrawideband radio
  • 500 MHz minimum bandwidth
  • Scanning distance from transducer to system console: Up to 3 meters
  • Multiple antennas in the transducers and system console combined with proprietary high speed antenna switching system provide optimal wireless link
  • Wireless signal quality meter provides real-time feedback
  • Average Noise Level display provides real-time quantified measure of wireless imaging signal quality
  • Back channel Bluetooth® radio used for bidirectional control data communication

Hard Drive

  • 16 GB solid state flash memory
  • Approximately 100,000 image frames

System Input/Output

  • Input/Output- Transducer cable adapter
  • Ethernet RJ45 (10 Base T/100 Base T)
  • (2) USB-A
  • Output
  • VGA (15 pin D-sub miniature) 1024 x 768, 60 Hz

Power Supply

  • Voltage: 100 – 240 V (50/60 Hz)
  • Power consumption: maximum 0.08 kVA (may vary with configuration)
  • Atmospheric pressure range: 700 — 1060 hPa (525 —795 mmHg) or up to 3050 m (10,000 ft)
  • Ambient operating temperature range: +10“ to +40”C (50° to 104F)
  • Humidity operating: 10 — 75%, non-condensing
  • Maximum heat output: 273 BTU/hr

Image File Formats

  • Export to USB-compatible storage media; PC-readable JPEG, MOV and XML (patient information)

Digital Patient Study Storage, Archiving, and Documentation Device

  • Digital storage of still frames and clips
  • Onboard patient study list
  • Study viewing capability
  • Viewing formats, full screen, quad screen, twelve imaging screen
  • Optional Video Printer- B/W Printer (Sony UP 897)

System Applications & Reporting

  • Abdomen
  • General Imaging
  • MSK
  • Nerve
  • OB/GYN
  • Small Parts
  • Vascular

Pain Management Imaging

  • Musculoskeletal (MSK)
  • Nerve

Women’s Imaging

  • Breast Imaging
  • Gynecology
  • Obstetrics

Small Parts

  • Breast
  • Deep
  • General
  • Superficial
  • Thyroid

Vascular Imaging

  • Arterial
  • Carotid
  • General
  • Venous Difficult
  • Venous Lower Extremity
  • Venous Superficial
  • Venous Upper Extremity


  • DICOM-compatible system providing PACS connectivity
  • DICOM Storage Class
  • DICOM Storage Commitment
  • DICOM Modality
  • DICOM Echo
  • Connectivity over Ethernet
  • Storage over USB compatible storage media
  • Wired Ethernet networking
  • IEEE 802.11 b/g wireless networking (Wi-Fi)


  • Miniaturized ultrasound front-end and digital signal processing subsystem with high data rate ultra-wideband radio
  • Cordless operation with adapter cable option
  • Lightweight, ergonomic design
  • Flat transducer base allows transducer to stand on end for single operator transducer cover placement

Wireless Transducer Technologies

  • Multiple antennas integrated in transducers foroptimal data link quality
  • Transducer remote control soft keys: slider and two oftkeys labeled for +/- control
  • Auto-freeze automatically freezes image aftertime out period during non-scanning to conserve battery life
  • Auto-unfreeze automatically unfreezes image after sensing user grasp of a transducer that has entered
  • Auto-freeze
  • Transducer On/Off LEDf‌index marker
  • Up to 90 minutes of continuous scanning with fully charged transducer battery
  • Low battery level waming messages
  • Removable wireless transducer battery
  • Transducer battery charger
  • Dual charger integrated into system console
  • Charging transducer batteries requires either of the following:
    • – System console is connected to AC main power; or
    • – System console batteries are charged
  • LED indicator of charging activity on battery
  • Indicator and readout of battery charge level on system console screen
  • Transducer location
  • Audio tone for transducer status
  • Integrated Bluetooth radio aids in location tracking

Transducer Disinfection and Sterilization

  • Transducer and transducer battery immersible for cleaning and disinfection
  • STERRAD 100S system sterilizable
  • Transducers:
  • L8-3
  • C5-2
  • L13-5