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Sana Couch

Sana Couch
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Model: 250L
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Sana Couch

The sana couch 250 L couch/semi-couch safety ergo meter has been developed for use in the cardiology sector. Special safety aspects, e.g. in cases of suspected cardiovascular disorders, stress test after a cardiac infarction or after bypass operations, and special exercise ergometry applications, such a heart catheter examinations, require the use of a couch/semi-couch safety ergo meter. Its use is also recommended for the examination of elderly and disabled patients.


Infinite move ability and adjustability via remote control

Thanks to the couch's infinite move ability (0-45°), it is possible to find the ideal lying position for every patient and examination method. In case of incident, the patient can be moved immediately into a suitable treatment position. The patient's calm position enables high quality ECG presentation and blood pressure measurements. The height is fixed by means of an adjustable saddle, which also prevents the patient from sliding to the side. The patient's comfort is increased by a headrest. Both elements as well as the couch's slope can be adjusted via remote control. The reclining posi­tion at 45° is very comfortable. Medical exercise examinations have proven that the performance in this position corresponds to the performance on a bicycle ergo meter. Unlike with previous couch ergometers, the pedaling movement of the legs is now identical to the movement on a bicycle ergo meter. This is due to the unique design of the pedal crank shaft. This feature eliminates all performance-related obstacles in couch-ergometry.


The speed-independent load is granted by a high-end eddy current brake with computer-controlled torque measurement. This control, together with the ideal cen­trifugal mass dimensioning, results in a very pleasant pedaling feeling, allowing the patient to fully exploit his or her reserves. The mechanism, consisting of state-of-the art components, runs almost noiseless, even at high speed.


The computer-controlled electronic high-end control centre is situated in the measuring head of the sana couch 250 L. The measuring head’s front-side features the control elements and a backlit graphic high-resolution LCD display. Its side, containing the display, is usually oriented towards the person operating the device. This is why an LED speed display is mounted on the head’s upper side, clearly visibile for the patient. If the device is used in the rehabilitation or training sector, the measuring head can easily be turned around to allow view on the display and control unit


• High load precision

• Rotable measuring head

• Measurements controllable using a PC program or an ECG/ergo-spiro unit via RS-232 Stable steel/aluminium construction for a max. weight of 160 kg

• Almost noiseless, even at high speed

• Elegant, dirt-repellent casing

• Low maintenance

• Precise blood pressure measuring

• Slope, saddle height and headrest adjustable via remote control infinitely variable (0-45°)


Power supply 230-249V, 50 Hz and 115V, 60 Hz

Interfaces RS-232 (galvanically isolated)

Dimensions / basis 90kg / dimensions/basis / 60 x 160 cm

Standard EC directive MDD 93/42/EEC, DIN VDE 0750-238

Braking principle Computer-controlled eddy current brakes with torque measurement, independent of revolutions per minute.

Power range 1 until 999 Watt

Load range 20 until 999 Watt

Range of revolutions 30 until130 n/min

Load precision In accordance with DIN VDE 0750-238 (in revolution-independent region)

Displays Graphic LCD with 320 x 240 pixels, CCFT backlit for alphanumerical and graphical display of the ergometry

parameters and of the user instructions as well as programming and service information’s

Pulse measurement Priority principle: 1. ECG, 2. opto, 3. R-R Measuring range 35 to 240 heartbeats

Blood pressure measurement Indirect with special modified R-R measurement system. Computer analysis with distortion-free suppression of

interfaces during ergonometry. Automatic pressure release with 3mmHg/pulse. Quick pressure release at the

average of high amplitudes.

Variable couch size 90 cm x 55 cm for heights from 140 cm to 205 cm; weights up to 160 kg. The seat and the headrest

are adjustable to the patient's correct reclining position via remote control. A 50 cm wide paper-roll carrier is situated under the headrest. The couch can be continuously altered from a slope of about 45° (exercise

position) to a flat position. The slope is also adjusted via remote control. Handle as mounting aid A stable, adjustable handle serving as a mounting aid is located near the head.

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