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Performance/Specifications |
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|
Factor/measure |
Boston Elbow |
|
| Torque |
10+ ft-lbs |
3- ft-lbs |
| Weight Lifting Ability (@14") |
9 lbs |
1.5 lbs |
| Clutch |
reverse locking |
pin lock |
| Clutch release under load |
yes
|
no |
| Speed: no load | ||
| flexion (against gravity) |
1.1 sec |
1.1 sec |
| extension (with gravity) |
1.0 sec |
1.0 sec |
| Speed: with Greifer (1.2 lbs) | ||
| flexion (against gravity) |
1.2 sec |
1.4 sec |
| extension (with gravity) |
1.0 sec |
0.9 sec |
| Weight of Elbow (no TD) |
2 lb 4 oz |
2 lb 2 oz |
| Weight of Elbow with OB TD |
3 lb 5 oz |
3 lb 3 oz |
| Weight with light weight TD |
2 lb 15 oz |
Not Available |
| Center
of Mass (from rear of housing) |
3.50 inches |
3.38 inches |
| Control Options: | ||
| myo-myo |
yes |
yes |
| servo |
1 or 2 seperate servos |
servo-servo |
| servo-servo |
no |
yes |
| switches |
yes |
Not Available |
| Touch Pads (FSR) - up to 5 |
yes |
Not Available |
| Mode Selection |
various switches |
co-contraction |
| Battery Capacity (12 volt) |
850 mAHr |
600 mAHr |
| Removable battery |
yes |
yes |
| On-board Charging |
yes |
Not Available |
| Slow charger |
yes |
yes |
| Fast Charger |
yes (1.25 hrs) |
Not Available |
| Patient adjustable humeral rotation friction |
yes |
no (wrench req'd) |
| Forearms: | ||
| wrist sizes |
4 standard (plus custom) |
1 |
| number of colors |
11 |
2 |
| range of lengths |
8.5" to 14.5" |
9.5" to 12.75" |
| maximum circumference |
9.25" |
9.25" |
| minimum coupling collar length |
2.80" |
4.75" |
| Terminal Device Compatibility: | ||
| Otto Bock electric hand |
yes |
yes |
| entri electric hand |
yes |
no |
| Steeper electric hand |
yes |
no |
| Otto Bock Greifer |
yes |
yes |
| Steeper Powered Gripper |
yes |
no |
| body powered split-hooks |
yes |
yes |
| Otto Bock electric wrist rotator |
yes |
yes |
| Modular construction (for servicing) |
yes |
yes |
| Surface Mount Technology (SMT) circuits |
yes |
yes |
| Drive Train |
direct drive (wave generator) |
belt drive |
| Free-swing mode |
yes (mechanical) |
yes (powered) |
| Myoelectrodes/amplifier size |
1" x 11/16" x 3/16" thick |
2" x 5/8" x 1/2" thick |
| Warranty |
1 yr (optional 2nd year) |
2 year |
| HCFA L-code (effective January 1, 1997) |
L7180 |
L7180 |
 |
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