| Technical Specifications |
|
NESS L300 Foot Drop System Control Unit Specifications |
| Classification |
Internally powered, continuous operation. |
| Operation Modes |
Gait, Training, Clinician and Standby. |
| Battery type |
Rechargeable AAA NiMH 1.2 V, 900 mAh. |
| Controls |
On/Off illuminated button.
Gait Mode illuminated button for changing operation Modes.
Intensity +/- buttons to fine-tune the intensity.
Volume +/- buttons control buzzer volume. |
| Indications |
Three status LEDs: Control Unit, RF Stim Unit and Intelli-Sense Gait Sensor.
Numerical display designates relative stimulation intensity.
Illuminated buttons designate system operation Mode.
"Beeps" for audible indications. |
| Carrying |
In pocket, neck strap, wrist strap or belt pouch. |
| Dimensions |
Height: 71 mm (2.8").
Width: 46 mm (1.8").
Depth: 17.5 mm (0.7"). |
| Weight |
45 grams (1.5 oz). |
| Environmental |
Transport and storage temperature: -20° to 60°C (-4 to 140°F).
Operating conditions temperature: 5° to 40°C (41 to 104°F).
Charging temperature: 5° to 40°C (41 to 104°F).
Relative humidity: 25% to 85%.
Atmospheric pressure: 900 hPa to 1060 hPa. |
| |
| NESS L300 Foot Drop System RF Stim Unit Specifications |
| Classification |
Internally powered, continuous operation with type BF applied parts. |
| Operating voltage |
3.7 V. |
| Battery type |
Proprietary rechargeable LiIon (Lithium Ion) 3.7 V, 700 mAh. |
| Indications |
Status (fault, battery, charging) and Stimulation LEDs "Beeps" for audible indications |
| Dimensions |
Height: 74 mm (2.9").
Width: 43 mm (1.7").
Depth: 15 mm (0.6"). |
| Weight |
50 grams (1.6 oz). |
| Environmental |
Transport and storage temperature: -20° to 60°C (-4 to 140°F).
Operating conditions temperature: 5° to 40°C (41 to 104°F).
Charging temperature: 5° to 40°C (41 to 104°F).
Relative humidity: 25% to 85%.
Atmospheric pressure: 900 hPa to 1060 hPa. |
| |
| NESS L300 Foot Drop System Pulse Parameters |
| Pulse |
Balanced Biphasic. |
| Waveform |
Symmetric or Asymmetric. |
Intensity
|
0-90mA [0-80mA in 1 mA resolution (positive phase)]. |
| Max Voltage |
120 V . |
| |
Symmetric |
|
Asymmetric |
|
| Positive Pulse duration |
100 µs |
200 µs |
300 µs |
|
100 µs |
200 µs |
300 µs |
|
| Negative Pulse duration |
100 µs |
200 µs |
300 µs |
|
400 µs |
800 µs |
1200 µs |
|
|
Inter-phase interval |
50 µs |
|
0 |
|
| Total Pulse duration |
250 µs |
450 µs |
650 µs |
|
500 µs |
1000 µs |
1500 µs |
|
| Max Load |
5000 Ω (Subject to Max Voltage limitation). |
| Pulse repetition rate |
20-45 Hz (5 Hz resolution). |
| Gait Parameters |
| Ramp up |
0 - 2 seconds, 0.1 second resolution. |
| Ramp down |
0 - 2 seconds, 0.1 second resolution. |
| Extend (Delay) |
0 - 100% of stance time, 10% resolution. |
| Max duration |
4 seconds. |
|
Training Parameters |
| On time |
4 - 20 seconds, 1 second resolution. |
| Off time |
4 - 60 seconds, 1 second resolution. |
| Ramp up |
0 - 2 seconds, 1 second resolution. |
| Ramp down |
0 - 2 seconds, 1 second resolution. |
| Total time |
1 - 60 minutes. |
| |
| NESS L300 Foot Drop System Leg Cuff Specifications |
| Leg Cuff |
Fabric-polymer Leg Cuff. |
| Limb Size |
29 – 51 cm (11" – 20") limb circumference. |
| Dimensions |
Height: 135 mm (5.3").
Width: 100 mm (3.9").
Depth: 125 mm (4.9"). |
| Weight |
Approximately 150 grams (4.8 oz). |
| |
| NESS L300 Foot Drop System Electrode Specifications |
| Electrodes |
Two, 45 mm hydrogel Electrodes.
Note: Use only Electrodes provided by NESS Ltd. or
Bioness. |
| Electrode Base |
Two relocateable polymer Electrode Bases for individual fitting. |
| |
| NESS L300 Foot Drop System Intelli-Sense Gait Sensor Specifications |
| Classification |
Internally powered, continuous operation with type BF applied
part(s). |
| Battery type |
Lithium coin cell, CR2430, 280 mAh. |
Dimensions of
the transmitter |
Height: 80 mm (3.2").
Width: 50 mm (2.0").
Depth: 10 mm (0.4"). |
| Weight |
35 grams (1.1 oz). |
| Environmental |
Transport and storage temperature: -20° to 60°C (-4 to 140°F).
Operating conditions temperature: 5° to 40°C (41 to 104°F).
Relative humidity: 25% to 85%.
Atmospheric pressure: 900 hPa to 1060 hPa. |
| |
| NESS L300 Foot Drop System Power Supply Specifications |
Use medical Class II safety approved power supply provided/approved
by NESS Ltd. or Bioness with the following ratings: |
| Input |
| Voltage |
100-240V AC. |
| Current |
200 mA. |
| Frequency |
50-60 Hz. |
| Output |
| Voltage |
5V ± 5%. |
| Current |
1300 mA. |
| Current |
Note: Do not use the Control Unit or RF Stim Unit while charging. |
| |
| NESS L300 Foot Drop System Wireless Link Specifications |
| Frequency band |
2.4 GHz, ISM band. |
| Transmission power |
Complies with FCC 15.247 (for US) / ETSI EN300-440 (for
Europe) Regulations. |
