The Millar Telemetry System is the new standard in wireless, implantable telemetry technology to measure high-fidelity physiological signals in rats > 175 grams (and other small animals e.g. guinea pigs). The system allows for the measurement of true high-fidelity ventricular and arterial pressure, sympathetic nerve activity (SNA), biopotentials (i.e., ECG, EMG, EEG) and tissue oxygen.
The rat telemetry system offers researchers the ability to improve data quality in basic cardiovascular research, safety pharmacology studies and toxicology studies. Data can be recorded for longer periods of time and in conditions unhindered by anesthesia or restraint. Additional benefits include reduced handling induced stress artifact and lab maintenance.
The Cohousing feature now allows the housing of up to two telemetered rats in one cage or allows one larger rat (>350g) to be implanted with two telemeters while retaining high quality, accurate recordings.
The complete system requires the Telemeter, Configurator and SmartPad and integrates with any data acquisition system.
Digital data transmission and wireless inductive power supply and battery backup charging, enable 24/7 digital data collection from implanted telemeters in free-roaming conscious animals.
|Signals||Low fidelity pressure, temperature, activity,
low frequency biopotential
|High-fidelity ventricular and arterial pressure, temperature, SNA, low and high frequency biopotential, tissue oxygen|
|Sampling Frequency||250 to 500 Hz||Up to 2000 Hz|
|Transmission||All transmitters send data on a single frequency||Digital transmission offers up to 30 individual transmission bands|
|Animal size||Mice, rats and larger||Rats, guinea pigs (>175 g)|
|Housing arrangement||Telemetered animals must be individually housed||Can house up to two telemetered rats per cage with cohousing feature enabled|
|Recording range||Up to 1 m||Up to 5 m|
|Monitor duration||Limited by battery life||Continuous power, rechargable backup battery in vivo|
|Continuous data||Limited by battery life||True 24/7|
|Refurbishment||Need to monitor battery state, refurbish when low||No refurbishment waiting or cost, just recharge and continue|
|Output format||Proprietary interface||Standard analog voltage|