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Avotec Silent Scan®

Psychology Software Tools

Hearing protection. Communication. Stimulation.

A supremely simple system, rugged and reliable, that provides elegant solutions to common patient complaints about MRI exams. All this leads to happier and more comfortable patients, which means less time lost and fewer incomplete scans for you.

The SS-3300 system adds three fMRI specific features to Avotec’s SS-3000 system; mode selection, third octave (OTO) filter bank, and audio calibration.

Four functional modes can be selected: clinical, functional, X10 gain, and test. In the clinical mode, the sound level output can be changed with the console volume control. In the functional mode, there is a fixed sound pressure level gain setting for the system, so the sound level output is effectively controlled by varying the input signal level; this allows for precise and repeatable sound pressure level settings .In the x10 input mode, a gain of 10 is applied to the input signal level; this feature is supplied to assist with the sometimes anemic outputs of computer sound cards. The test mode outputs a fixed gain, 1 KHz test tone that can be used for setting reference levels.

The third octave (OTO) filter bank is factory adjusted to give a flat frequency response (+/- 4dB) across the operating range. This makes the design of your audio stimulation that much simpler. Additionally, the SS-3100 system is calibrated so you know what the SPL is as a function of input frequency and amplitude.

Patient Comfort is… Hearing Protection

Patient comfort starts with protection against gradient noise, the major complaint of MRI patients. Two different headsets mean flexibility in hearing protection choices; the full coverage headset fits most head coils, while the stethoscopic headset can be used for very confining coils. The new Scan-Lock Plus™ connector and tubing assembly makes changing headsets a quick and simple operation.

Patient Comfort is… Communication

MRI patients have great anxiety about their exams, and their ability to clearly communicate with you goes a long way towards relieving that stress. Silent Scan’s™ specially designed headsets have a built-in microphone channel that allows crystal clear communication between you and your patients. Yelling or repetition never occurs, because you and your patient will easily understand each other.

Communication Console

Silent Scan’s communication console has a flexible gooseneck microphone that is designed for the technologist’s comfort. Since you no longer have to bend over to speak into an intercom, and the gooseneck microphone is always within easy reach, communication with your patients is effortless.

Patient Alarm System

For your very claustrophobic patients, Silent Scan has a built-in patient alarm system. The alarm consists of a simple, hand held rubber squeeze bulb, that when actuated by your patient, triggers an audible alarm at the communication console. Just the existence of the alarm can be comforting, and its ability to alert you to a panicky patient is a great aid to both parties.

Patient Comfort is… Music

The beneficial effects of music in reducing apprehension in MRI patients are well known. Music, when used as a comforting influence, can set the tone for the success of your patients’ visits. The Silent Scan™ headset allows your patient to relax to the music – free from gradient noise. Careful matching of transducer characteristics and filter design in the Silent Scan system provides a remarkably clear music signal for the wearer of the headset. Because the headsets offer genuine hearing protection, the highest quality sound can be enjoyed at a comfortable listening level.

Note: Pricing for this product is only available by quotation.

Psychology Software Tools, Inc has been part of the research community – creating products for research and publishing our own studies – since 1987. We’re constantly brainstorming ways to improve our products and communicating with our users to learn what they need to make the next scientific breakthrough.

Our team of researchers, developers, engineers, solutions consultants, and support technicians work across teams to accomplish one goal: facilitating the advancement of science by helping the research community. PST has teamed up with the leading companies across the behavioral research field to bring you seamless integrations needed for your research. To accommodate our customers worldwide, we offer a network of dedicated resellers who can get our products in your hands with ease and affordability.

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Avotec Silent Scan®

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