Telemyo DTS-System

Product Introduction MyoMuscle
Telemyo DTS-System
Telemetry system for EMG
and Biomechanical Sensors
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DTS Device Family
3 major device categories can be used for the Direct Transmission System
technology of EMG and mobil biomechanical sensors
cDTS Clinical
System
DTS Desk Receiver
System
Designed for clinical use
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Pre-processed RMS EMG
No EMG raw data supported
Up to 4 channel EMG
Transmission up to 20m
DTS Belt Receiver
System
Standard lab system
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Up to 16 channels
Unfiltered EMG raw data
Analog out to Mocap systems
Transmission up to 20m
Portable field system
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Up to 16 channel (raw EMG)
Works an additional receiver
Long dist. transmission (100m)
Optional data logging
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Full Compatibility to Other MR3 Modules
Any DTS transmitter/receiver combination is fully compatible to MR3‘s
multi-device modules and configurations
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DTS = Direct Transmission System
The DTS System s transmit EMG and sensor data directly from the subject
or application site to the receiver/PC
Notebook
Direct USB
Connection to PC
DTS Desk Receiver
or Clinical Receiver
Telemetry
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Comfortable Use
The DTS technology dramatically simplifies the EMG setup and allows for
very natural movement
 Quick and easy electrode attachment
 Subjects are not influenced by cables
 Very helpful for small subjects/children
 Very natural movement
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EMG Transmission Probes
A small amplifier probe is equipped with a WiFi radio module that transmits
EMG data in real time up to 15 meter distance
EMG transmission probe
• Size:
• Weight:
• Battery:
• Charging:
3.2 x 2.2 x 1.5 cm
14 grams
8 hours
2.5 hours
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Flexible Application Concept
A short connection cable allows for free electrode selection and free
positioning of transmission probes
 Support of different cable lengths
 Snap and Pinch connectors
 Fine Wire Adaptor
 Reference electrode integrated
on backside
 Fixation with double adhesive tape
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Flexible Application Concept
The connection cable allows for management of pressure areas, skin
prolongation, small or thin muscles
Skin prolongation at mm. er.spinae
Small muscle areas, e.g. m. interossei
Thin muscle regions
(e.g. m. sternocleidomastoideus)
Transmission probe is moved
away from pressure area
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Free EMG-Electrode Selection
Almost any electrode type can be used – Fine Wire included
1
4
 Single / Dual electrodes
 Adhesive or Wet Gel
2
3
 Re-usable (Beckmann style)
 Centralized or decentralized snap
 Incontinence probes
 Numerous styles/manufacturers
 Commercial Fine Wire or
 needle electrodes
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Clinical DTS system works
with pre-processed
RMS EMG , no raw data and fine wire support!
Full Research Compatibility
Technical recommendations for kinesiological surface/fine wire EMG are
covered by the amplifier technology
Compatible to ISEK and SENIAM Guidelines
 Full EMG bandpass 10 to 500 Hz
 No Notch filtering within EMG band
 Adjustable to Fine Wire – LP Filter at 1500 Hz
International Society of
Electrophysiology and Kinesiology
 CMRR > 100 dB
 Baseline noise < 1 uV RMS
 Input impedance > 100 Mohm
Surface Electromyography for the
Non-Invasive Assessment of
Muscles
Clinical DTS system works with pre-processed
RMS EMG , no raw data and fine wire support!
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Superior Signal Quality
High quality baseline noise level, typically below 2.5 uV
Mean Baseline Noise
VMO, uV
Mean, uV
100
50
1.03
0
s 0.00 0.05
Clinical DTS system works with pre-processed
RMS EMG , no raw data support!
0.10
0.15
0.20
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Technical Transmission Details
A very sophisticated WiFi transmission concept manages optimal
transmission even in difficult WiFi conditions
 WiFi Delay guaranteed constant
(< 1ms)
 Delay adjustable if needed
(36 – 312ms)
 WiFi channel selectable
(14 channels)
 Sync channel available
(triggered system start)
 32 channel option
(requires two receivers)
 Sampling rate 1500 or 3000 Hz
(surface or fine wire)
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Additional Available DTS Sensors
Growing list of available
mobile biomechanical and
physiological sensors
Easy to use, pre-calibrated
Software Selection Menu
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3D Acceleration
Small, light-weight 3D acceleration sensor in 6 or 16 G – measures
acceleration, impact/heel strike, vibration and tremor
DTS transmission
probe
Interface cable allows
precise sensor positioning
Weight:
Length:
Width:
Height:
2.8 g
2.03 cm
1.5 2cm
0.76 cm
Acceleration
Sensor
Machine Vibration/Acceleration
Tremor Measurement
Tibia bone / gait analysis
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2D Electrical Goniometer
Axis free 2D flexible goniometer for shoulder, spine, elbow, wrist, hip, knee
and ankle range of motion measurements
Shoulder
Knee
Spine
Goniometer
Elbow
DTS transmission probe
Range:
Accuracy:
crosstalk:
Available:
+/- 180 degrees
+/- 2 degrees
< 5 degrees
in 5 sizes
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2D Inclinometer
Small 2D inclination sensor for head, trunk, all extremities and tools, lever
arms on machines, tilting platforms
Upper Arm
Head
Thigh
DTS probe with
built-in Inclinometer
Length:
3.05 cm
Width:
3.05 cm
Height:
3.05 cm
Weight:
45.4 g
Accuracy: +/- 2 degrees
Trunk
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Mechanical Goniometer
1D mechanical goniometer for elbow, hip, knee and ankle range of motion
measurements
Elbow
DTS probe
Gliding mechanism compensates axis migration
Knee
Goniometer
Length:
Width:
Height:
Weight:
Range:
Accuracy:
27.94-29.21 cm
1.905 cm
4.1275-5.08 cm
34 g
+/- 160°
1°
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Local Pressure
Thin pressure sensitive sensor allows for local pressure measurements
between human surface and interfaces or ground
Heel
Wrist
DTS
probe
Pressure
Sensor
Linearity (Error): <± 5%
Repeatability: <± 2.5% of full scale
Hysteresis: < 4.5% of full scale
Response Time:
< 5 μsec
Sensitivity:
1 lbs, 25 lbs, 100 lbs
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Hand Grip Strength
High precision and research compatible hand grip dynamometer
in selectable 5 grip sizes
Force Grip Sensor
DTS probe
Range:
0-899 N
Sensitivity:
5.56 mV / N
5 grip positions: 35 – 87 mm
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Foot Switch System
Accurate foot switch system with 2 or 4 sensors per foot, sensitivity
adjustment and multi-level signal output
DTS
Probe
Foot switch
sensors
Alternative foot soles
Response time:
Output Range:
Sensitivity Adjustment:
Diameter :
~2 ms
0 to +5 volts
015 to 1.2 kg/cm2
18.5 mm
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Multi-Sensor Setups
Complex multi-sensor setups can be arranged within a few minutes
Goniometer
EMG
Accelerometer
Original recording of 100m sprint
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DTS System in Action
Clean, stable signal even in high impact conditions
Stable artifact
free baseline
Highly dynamic
jump activity
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DTS System in Action
DTS Telemetry connected to Bertec 3D force plate instrumented treadmill
EMG of 4
leg muscles
Goniometer signal
of knee joint
Inclination signal
of trunk
3D forces of
Bertec treadmill
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DTS System in Action
DTS System used with contact free optical foot switch system Optogait
EMG signals of 4
leg muscles
2D Goniometer
signal
Inclination sensor
for arm swing
3D accelerometer
tibia bone
Virtual foot switch
Optogait
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DTS System in Action
DTS system in multi-sensor clinical gait analysis on floor
EMG of 4 Leg
muscles
Goniometer knee
joint
Inclination arm
swing
3D accelerometer
tibia bone
Multi-level foot
switch signal
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DTS System in Action
DTS connected to Bionix 3D trunk training machine
Rotation and tilt
signal from 3D
trainer
EMG of trunk
muscles
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DTS System in Action
DTS in combination with MyoMotion, MyoPressure-S and MyoVideo
Vertical ground
reaction force curve
3D angle
data from
MyoMotion
EMG of lower
body muscles
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Clinical DTS System in Action
cDTS system in combination with MyoVideo and foot switches
2 channels
EMG
Foot Switch
signal
Auto-tracked
angles from video
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Clinical DTS System in Action
cDTS system in combination with MyoMotion: PC workspace evaluation
3D Motion Angles
from MyoMotion
2 channels
EMG
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Clinical DTS System in Action
cDTS system in combination with Moby handheld force sensor
Force Signal
from Moby
2 channels
EMG
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The Belt Receiver Concept
Belt Receiver
Concept
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The Belt Receiver Concept
The belt receiver is designed for field studies, mobile use and mainly meant
to used so that the subject carries it around (eg. mounted to belt)
Synchronized
DV Video
Mini
Receiver
Telemetry
DTS
Belt Receiver
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Flexible Belt Receiver Design
Depending on the experimental design, the DTS Belt receiver can be
used in 3 transmission modes
Retransmission
 Portable Belt receiver mode
 Long distance telemetry (100m)
Telemetry
Direct USB Connection
 USB - Desktop mode
 Direct transmission (15 m)
EMG probes on subject
Data Logging
 No PC needed
 Fully mobile in field studies
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Belt Receiver: Retransmission Mode
Belt receiver is positioned at subject’s belt: retransmission to a second
receiver connected to PC allows longer distance (up to 100m)
Up to 100m!
A second USB receiver receives
WiFi retransmission data
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Belt Receiver long distance
In Retransmission mode transmission the belt receiver can be used with
3 different USB – receiver models
USB PC Interface
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Standard Device
MINI – Receiver (accessory)
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with additional 8 AD inputs
2400R– Receiver (accessory)
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•
with additional 8 AD inputs
Analog output for all channels
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Belt Receiver: Retransmission Mode
For long distance transmission up to 100m in sports science, ergonomics
and other field study conditions
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Belt Receiver: USB Connection Mode
Belt Receiver can directly be connected to PC: for stationary or laboratory
use up to 10 – 15 meters transmission distance
Up to 10-15m!
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Belt Receiver: Data Logger Mode
WiFi card is replaced with a compact flash card:
long duration recording (8 hours) for monitoring and field studies
Unlimited in distance
 Offline!
 No PC needed!
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Integration of Other Input Signals
The optional Mini Receiver in combination with Belt receiver allows
direct connection of 8 stationary input signals from e.g. force plates or
isokinetics
Stationary biomechanical devices
Telemetry
System
Isokinetics
WiFi
Force Plates
Analysis PC
Mini Receiver
Analog Input
USB
Multiple
Devices
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Analog Output Option
The optional Analog Output Receiver in combination with belt receiver
converts telemetric data to analog output signals that can be directly
connected to A/D boards of motion capture systems
Motion Capture Systems
Telemetry
System
WiFi
Analysis PC
Analog Output
Receiver
Analog Output
USB
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Belt Receiver: Wireless Sync System
Both the Mini and Analog Output Receiver are equipped with a wireless
sync system to allow shared recording starts
MINI Receiver
Wireless Sync Signal
receiver connected to the
portable DTS receiver
Any
External
System with
Sync In/Out
Real time sync
(1ms)
External Sync
In or Out
Analog Out Receiver
Sync Port
at DTS System
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Free Educational Booklets
Free download at: www.noraxon.com
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