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Geodesic Sensor Net manual available for free PDF download: Technical Manual
Geodesic Sensor Net Technical Manual (150 pages)
Brand:
Geodesic
| Category:
Medical Equipment
| Size: 2 MB
Table of Contents
Table of Contents
5
Preface
15
About this Manual
18
• Appendix C, "GSN Pinouts
18
Troubleshooting, Support, and Repair
19
Chapter 1 GSN Introduction
21
The GSN 200 (Left) and the HCGSN (Right)
21
Safety
22
Intended Use
22
GSN Environmental Conditions
22
Overall Operating Environment
22
Regulatory Compliance
23
Symbols
23
GSN Symbols
23
Sensor Array Overview
24
Core Components
24
Subject Wearing an HCGSN
25
Functional Block Diagram of a Typical GES
25
Sensor Array and Neurotravel Amplifier
26
GSN, GSNIC, and Net Amps Amplifier
26
Chapter 2 HCGSN
29
Tension Structure and Pedestal Design
32
Hydrocel Hydrating Skin Interface Chamber
32
Features
34
Pedestal and Electrode
35
Sensor Connected by Wire to Pin
35
Sizing
36
The HCGSN Comes in Adult (Left) and Child (Right) Sizes
36
Infant Nets
37
Elefix Gel
37
Infant HCGSN Outrider Sensors
37
Repair
38
Recycling and Disposal of Nets
38
For more HCGSN Information
38
Applying the GSN
38
Chapter 3 GSN 200
39
GSN 200 (256-Channel Model)
40
GSN 200 (128-Channel Model), Without Wire Management
40
Tension Structure and Pedestal Design
41
Features
41
Pedestal Components
42
Sizing
44
Infant Nets
44
Infant GSN 200Outrider Sensors
44
Infant Net Special Hypertronics Connector, with Outrider Jacks Strapped to Isolated Common
45
Repair
46
Recycling and Disposal of Nets
46
For more GSN 200 Information
47
Chapter 4 Safety
49
General Safety
49
Skin Irritation
50
Subject Cross-Contamination
50
Cords, Connectors, and Cables
51
Electrolyte
51
Lightning
51
Chapter 5 Service and Maintenance
53
Geodesic Sensor Net
53
Cable and Connector Checks
56
Component Recycling and Disposal
56
Chapter 6 Applying the GSN
57
Planning
57
Preparing the Electrolyte Formulation
58
Head Measurement
60
Measuring Head Circumference
60
Skull Landmarks
61
Net Application
62
Measure from the Nasion to the Inion
62
Placing the Sensor End of the Net in the Electrolyte Bucket
63
Lifting the Net out of the Electrolyte Bucket
64
The HCGSN Features Red Pedestals for the Nasion and Cardinal Points
65
32-Channel HCGSN
65
64-Channel GSN 200
65
Chapter 2 HCGSN
65
Thumb Placement When Applying Net
65
Place Thumbs under the Net's Perimeter Band
66
Stretch the Perimeter Band with Thumbs and Little Fingers
67
Slowly Bring the Band down over the Head
68
Check Position of Net before Disengaging Your Hands
68
The HCGSN Features Cutouts for the Ears
69
Upturn Tilted Sensors; Check the Back of the Head
69
The Nasion Is too Far to the Subject's Left
70
Adjust Net Position by Grabbing Large Sections and Shifting Them Uniformly
70
Adjust the Orbital Straps (128-Channel HCGSN)
71
Adjust Big Sections of the Net on both Sides of the Head
72
Check Mastoid Sensor Positions (128-Channel HCGSN)
72
Move each Sensor Side to Side or in a Circle to Establish Scalp Contact
73
A Properly Applied Net
73
Filling Pedestals with Hydrocel HS
74
Secure the y Clip to the Collar
74
Removal
75
Initial Removal of the Net from the Subject's Face
75
Peeling the Net from the Subject's Face
76
Chapter 7 Rinsing and Disinfecting
79
Rinsing
79
Disinfecting
81
Second Rinse
81
Drying
82
Cleaning the Sponges
82
Chapter 8 Connectivities
83
GSN and GSNIC
83
Hypertronics Connector
83
Multicontact Hypertronics Receptacle
84
Hypertronics Plug of 128-Channel GSN
84
Hypertronics Plug Released (Left) and Locked (Right)
85
Connecting the Net
86
Magnified View of Hypertac Pin and Sleeve
86
Plugging GSN into the GSNIC and the Articulated Arm
86
Smart Nets
87
Schematic View of GSN Connectors
87
Guide to Cabling
88
Chapter 9 Replacing GSN Parts
89
Replacing Electrodes (GSN 200)
89
Electrode-Replacement Kit
89
Tools Needed for Replacing Electrodes
90
Remove the Handle on the Hypertronics Plug
91
Remove the Hood
91
Remove the Screws and Slide the Clamp out
91
Let the Wires Hang Loose
92
Remove the Flat Black End
92
Note the Numbers and Letters Marked on the Connector
92
Appendix Cgsn Pinouts
92
Push the Tool until the Contact Pin Slides out
93
Use a Pair of Needle-Nose Pliers to Grip the Contact and Pull It out
94
Enlarged View of Hypertronics Contact
95
View of Connector before Inserting Contact
95
Replace the Hood Without Crimping the Wires
96
Replacing Sponges (HCGSN)
97
Replacement Sponges
97
In the Empty Pedestal, Place the Sponge Upright
97
Push the Sponge in Firmly
98
Hydrate and Again Push the Sponge in
98
Other Repairs
99
Disposal of Electrodes or Sponges
99
A Poorly Seated Sponge
99
Chapter 10 Net Faqs
101
General Issues
101
Application and Comfort
102
Electrolyte Formulations
104
Care and Maintenance
105
Chapter 11 Troubleshooting
107
General Problems
107
EEG Contains Excessive Noise
108
EEG of Poor Quality
109
Faulty Sensors
112
Before Replacing a Sensor
113
Miscellaneous
113
Chapter 12 Accessories and Supplies
115
Net Support Kit
115
Replacement Parts and Supplies
115
Items in the Net Support Kit
116
Net Support Kit Items
116
Technical Support
119
GSN 200 Sizing Chart
121
HCGSN Sizing Chart
122
Sensor Layouts
123
Appendix A Technical Support119
131
Appendix B Net Sizing and Sensor Layouts121
131
GSN Pinouts
131
Terminology
131
Abbreviations
131
Pinout Schematics
132
Schematic View of GSN Connectors
132
Pinout Tables
133
Sensor to 32-, 64-, and 128-Pin Plug
133
Sensor to 256-Pin Plug
135
Sensor
136
Gsn
137
Glossary
139
Index
145
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