Medical Devices

No Strings Attached

June 1, 2005 By: Sensors Staff Sensors


Being in the hospital is unpleasant enough without getting tangled in equipment cords when you try to roll over in bed. With its 4100 Digital Pulse Oximeter, Nonin Medical pulls the plug on conventional sensor cables and brings wireless technology to the bedside.

The wrist-worn 4100 Oximeter transmits SpO2, heart rate, and plethysmographic waveform data through a Class II Bluetooth radio to a Bluetooth-enabled display device up to 30 ft. away. In other words, instead of snaking across the room to a display device, the cable from the patient's finger-clip or flex sensor makes a short hop to the wrist.

Powered by two AA batteries, the 4100 Oximeter can be connected to any compatible Blue-tooth device that has the appropriate software to set up the connection and handle the data. The 4100 Oximeter is considered a slave device within a Bluetooth piconet and includes point-to-point communications, enabling one master device to be connected to one slave device. Once connected, both devices are invisible to other Bluetooth devices. The 4100 can also be used with a point-to-multipoint master, where one master can communicate with up to seven slaves in a piconet.

Currently available to OEMs, the 4100 helps keep patients connected but un-attached.

Contact Mike Hostetler, Nonin Medical Inc., Plymouth, MN; 763-553-9968, mike.
hostetler@nonin.com, www.nonin.com.


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