Kabelloses MRT Kommunikationssystem IMROC

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IMROC-IR
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IMROC IR™
Relax. You can talk again. And no cables.

Our second generation IMROC brings wireless IR mobility as well as unsurpassed clarity to MRI communications:
- Lightweight fiber optical headphones. With its multi-channel adaptive noise reduction and echo cancellation, IMROC brings hands-free, full        duplex communications between MRI scanner and control rooms
-Wall-mounted diffuse IR transmitters mean no cables or wires, in fact complete freedom of movement in the MRI suite
-Personal control unit for each doctor supports channel selection, microphone muting and headphone volume control
- Control room mixing console supports full duplex communication among doctors and technologists, and also enables control over the        interactive environment: muting participants, adjusting noise reduction, adjusting a patient’s music volume.
- Built-in MP4 stereo entertainment system, to make patient comfort complete
- Class 1 Laser System, FDA/CDRH registered
- Completely safe, field-proven, certified EMI/RFI immunity

Talk & Walk
New productivity using MR-safe communications:
- Fully wireless system uses diffused IR (DIR™) transmission — no RF, no cables, no restrictions
- Doctors can speak with each other, with their patient, and with technologists
- Enables up to eight concurrent dialogs during a scan – five staff members, plus a patient
- Crisp, clear speech with very low latency
- Adaptive DSP-based noise reduction filters out EPI gradient noise, ensuring excellent sound quality
- Lightweight self-hearing headset with built-in ear defenders, high fidelity optical speakers, and FOMRI dual channel noise cancelling microphone.
- Automatic noise reduction with four selectable modes
- Field-proven reliability

Control
A professional duplex system with a rich feature set:
-Total interactive control over channel configurations, headset and microphone operation in real-time
- Uses personal control units in combination with an advanced control room mixing console
- Automatic or selective control over advanced capabilities such as multi-channel adaptive noise reduction and echo cancellation
- Selectable headset noise attenuation of up to 30 dB
- Music can be sent directly to a patient using the built-in MP4 player or by connecting a compatible external player to the mixing console

Versatility
Hands-free, cable-free flexibility for any iMRI suite:
-Supports any combination of headset and user channel arrangements
-IR technology provides total wireless coverage in both the scanning room and the control room. No RF.
-Integrates optoacoustic transducers developed specifically for high-field MRI environments, state-of-the-art DSP, and lightweight fiber optical headsets
-A control and switching unit is provided for each doctor, enabling complete personal control over microphone and headphones
-Supplemental headsets can be added for use by technologists or guests
-Features an MP4 stereo patient entertainment system

How Optoacoustics' Adaptive Noise Reduction Works
EPI sequences used in MR imaging can produce acoustic noise levels as great as 130 dB (about as loud as a jet plane at takeoff), as well as very high electromagnetic and radio frequency noise. These noises are not just discomforting to patient and staff alike, they render standard microphones useless for communications.
Our advanced noise cancelling optical communications products enable safe, crystal-clear verbal communications among MRI staff, as well as between doctors and MRI patients.
We achieve this using two complementary techniques:
Using pressure gradient optical microphones with inherent low self noise, wide bandwidth, a high dynamic range and a high directivity index.
Using two separate phase and amplitude matched microphones, arranged orthogonally, to capture input sound at the precisely the same location. 
No other system available today offers the level of performance, reliability and ease of use that is provided by our IMROC™ and FOMRI™ systems.

Case Study: For M. D. Anderson Staff, the End of the ‘Runaround’Case Study: For M.D. Anderson Staff, the End of the "Roundaround"

Download the Article: Can You Hear Me Now? rt image magazineArticle RT Image Magazine: Can You Hear Me Now?#

IMROC has been developed in close collaboration with many of the world's leading MRI research institutes.

Following are some publications of recent research using IMROC:
Interventional-Cardiovascular MR: Role of the Interventional MR Technologist.
      Jonathan R. Mazal (National Heart Lung and Blood Institute, NIH, USA), Toby Rogers,
      William H. Schenke, Anthony Z. Faranesh, Michael Hansen, Kendall O’Brien,
      Kanishka Ratnayaka, Robert J. Lederman
      – Radiologic Technology, 2015 – Springer.
The Advanced Multimodality Image-Guided Operating (AMIGO) Suite.
      Daniel F. Kacher MS (Brigham and Women's Hospital, Boston, MA), Brendan Whalen, Ahin Handa,
      Ferenc A. Jolesz MD
      – Intraoperative Imaging and Image-Guided Therapy, 2014 – Springer.
Transthoracic Delivery of Large Devices into the Left Ventricle Through the Right Ventricle and Interventricular Septum: Preclinical Feasibility.
      Majdi Halabi (Division of Intramural Research, Cardiovascular and Pulmonary Branch,
      National Heart Lung and Blood Institute, NIH, USA),
      Kanishka Ratnayaka, Anthony Z. Faranesh, Michael S. Hansen, Israel M. Barbash, Michael A. Eckhaus,
      Joel R. Wilson, Marcus Y. Chen, Michael C. Slack, Ozgur Kocaturk, William H. Schenke, Victor J. Wright,
      Robert J. Lederman
      – Journal of Cardiovascular MR, 2013 – Society for Cardiovascular Magnetic Resonance (SCMR).
Real-Time Cardiovascular Magnetic Resonance Subxiphoid Pericardial Access and Pericardiocentesis Using Off-the-Shelf Devices in Swine.
      Majdi Halabi (Division of Intramural Research, Cardiovascular and Pulmonary Branch,
      National Heart Lung and Blood Institute, NIH, USA),
      Anthony Z. Faranesh, William H. Schenke, Victor J. Wright, Michael S. Hansen, Christina E. Saikus,
      Ozgur Kocaturk, Robert J. Lederman and Kanishka Ratnayaka
      – Journal of Cardiovascular MR, 2013 – Society for Cardiovascular Magnetic Resonance (SCMR).
Real-Time Magnetic Resonance Imaging-Guided Cryoablation of Small Renal
Tumors at 1.5 T.
      Kamran Ahrar, Judy U. Ahrar (Department of Radiology, Univ. Texas M.D. Anderson Cancer Center,
      Houston, USA),
      Sanaz Javadi, Li Pan, Denái R. Milton, Christopher G. Wood, Surena F. Matin, R. Jason Stafford
      – Investigative Radiology, 2013 – Lippincott Williams & Wilkins.
Real-time MRI-Guided Right Heart Catheterization in Adults Using Passive Catheters.
      Kanishka Ratnayaka (Division of Intramural Research, Cardiovascular and Pulmonary Branch, National
      Heart Lung and Blood Institute, NIH, USA),
      Anthony Z. Faranesh, Michael S. Hansen, Annette M. Stine, Majdi Halabi,
      Israel M. Barbash, William H. Schenke, Victor J. Wright, Laurie P. Grant,
      Peter Kellman, Ozgur Kocaturk and Robert J. Lederman
      – European Heart Journal, 2012 – Oxford Journals.
Magnetic Resonance Imaging–Guided Biopsy in the Musculoskeletal System Using a Cylindrical 1.5-T Magnetic Resonance Imaging Unit.
      Judy U. Ahrar (Department of Radiology, Univ. Texas M.D. Anderson Cancer Center, Houston, USA),
      Jason Stafford, Sadeer Alzubaidi, Kamran Ahrar
      – Topics in Magnetic Resonance Imaging, 2011 – Wolters Kluwer.
Magnetic Resonance Imaging–Guided Laser Ablation of Bone Tumors.
      Kamran Ahrar, Jason Stafford (Department of Radiology, Univ. Texas M.D. Anderson Cancer Center,
      Houston, USA)
      – Techniques in Vascular and Interventional Radiology, 2011 – Elsevier.
Phase Only Cross-Correlation Tracking of a Passive Marker for MR-guided Interventions.
      R.J. Stafford (Department of Imaging Physics, Univ. of Texas M.D. Anderson Cancer Center, Houston, USA), F. Maier,
      A.J. Krafft, M. Bock, A. Winkel, and K. Ahrar
      – Proc. Intl. Soc. Mag. Reson. Med. 18, 2010.
MRI-Guided Tumor Ablation at High Magnetic Field: Technologies, Devices, Advantages
and Limitations.
      S. Javadi (Interventional Radiology, Univ. Texas M.D. Anderson Cancer Center, Houston, USA),
      J.U. Ahrar, R.J. Stafford, M. Bock, J.W. Jenne, K. Ahrar
      – Journal of Vascular and Interventional Radiology, 2009 – Elsevier.
Implementation of Clinical MR Services: MR-Guided Biopsy Technique, A Clinical Perspective.
      K. Ahrar, J. Stafford, J. Ahar, S. Javdi, Y. Valenzuela (Department of Radiology, Univ. Texas
      M.D. Anderson Cancer Center, Houston, USA),
      – Proceedings of the Seventh Interventional MRI Symposium; Baltimore, Maryland, USA,
         September 12-13, 2008.
Additional IMROC research reference links are invited.