Trigno Spring Contact

For indwelling EMG recording

The Trigno™ Spring Contact Adapter gives users the ability to collect indwelling, fine wire EMG through the robust Trigno™ system. Delsys makes no assertions or recommendations on the type of recording electrode to use, or the method of its application. This responsibility befalls the electrode manufacturer, the client performing the study and the Institutional Review Board overseeing the study.

Specifications
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Trigno Spring Contact Adapter

Spring Contacts

Custom connectors

Up to 850 Hz bandwidth

Up to 40 m range

Specifications

User’s Guide

Sensor Channels
1x EMG, up to 6x IMU

Reference Type
Dual on-board stabilizing reference

Inter-Electrode Spacing
User Defined

Size (Body)
27 x 46 x 13 mm

Size (Head)
23 x 30 x 7 mm

Mass
25 g

Operating Range
40 m in RF mode
Host Dependent/unlimited datalogger

Wireless Protocol
-2.400-2.483 GHz ISM Band, Proprietary RF Protocol
-BLE V4.2

EMG Bandwidths
10-850 Hz
20-450 Hz

EMG Sampling Rate (Max)
4370 s/sec

Accelerometer Sampling Rate (Max)
963 sa/sec

Gyroscope Sampling Rate (Max)
741 sa/sec

Orientation Sampling Rate (Max)
222 sa/sec

Sensor Resolution
16 bits

EMG Baseline Noise (typical)
750 nV

EMG Input Range
11 mV / 22 mV rti

CMRR
<-80 dB

Battery Life
Up to 8 hours

Recharge Time (typical)
2.5 hours

Inter-Sensor Latency
< 1 sampling period

EMG Analog Output Delay
48 ms Fixed

ACC/Gyro Analog Output Delay
96 ms Fixed

On-Board EMG Filter
-Butterworth bandpass (40/80 dB/dec)
-RMS Envelope Calculation (100 ms window)

Real-Time IMU Orientation Filter
Quaternions or RPY (selectable)

Material
Medical Grade Polycarbonate

Seal and Protection
UV-sealed to prevent moisture from entering the sensor & to enhance patient safety

Patents
Protected by one or more of the following Patents 6480731, 6238338, 6440067, 9351559, 8971983, EP1070479