rated passed
1. 10 body
-Cortex
loca- tions
-Deep brain
where FES
may be -Spinal pattern generators
applied
to restore the use - Motor nuclei
of paralyzed mus- - Dorsal roots
cles
5.
2. Partially
Implant- ed
FES Sys-
tems (where
are the
electrodes
placed? wher
is the battery
placed? how
does it work?)
3. Neuromuscul
ar Assist
4. The
Neuromus-
cular Assist
con- sisted of:
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39
,BPK 448 Final questions with verified answers A+
rated passed
-Ventral roots • Used Medtronic hardware.
-Peripheral nerves
-Epimysial • an implanted bipolar electrode wrapped on the peroneal nerve
-Intramuscular • implanted RF receiver connected to bipolar electrode
-Skin surface • external RF transmitter and power source
• a heel switch worn inside
• Stimulation
Electrodes are the shoe. to correct foot drop
permanently implanted
near, inside, or around
the peroneal nerve to
provide greater
stimulation stability.
• The battery powered
External Unit and Sensor
remain external.
• The External Unit
communicates
transcutaneously via RF to
activate the implanted
peroneal nerve electrodes.
• 1st partially implanted
peroneal nerve stimulator.
• Developed in
1968‐1977 by McNeal,
Perry and Waters at
Rancho Los Amigos
Hospital, CA
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39
,BPK 448 Final questions with verified answers A+
rated passed
limitations of neural activity
The Neuromus-
cular Assist 12. self coiling cuff
6. Dr. Waters
ac- ceptance
crite-
ria/predictio
ns
7. STIMuSTEP con-
sists of
8. STIMuSTEP
vs ODFS
9. ActiGait
consists of
10. Fully
Implanted FES
System: Neu-
rostep
11. How to use
nerve cuffs to
stimu- late,
record or
modulate
3/
39
, BPK 448 Final questions with verified answers A+
rated passed
• Intact cognition and convenient
patient motivation were
required to wear and -electrodes stimulates the tibial nerve (stimulates higher up in the
operate the equipment hip) and implanted receiver/stimulator
on a daily basis, and -control box and foot switch
• It was diflcult to
obtain balanced dorsiflexion • First pacemaker‐like device
with a single channel of • All components were implanted in the thigh
stimulation. • First to meet the acceptance criteria of Waters (1977)
• Designed and tested by Neurostream Technologies
• broad acceptance of a
footdrop correction system chronically implanted cutts provides insulation to segments of nerves
would require a fully recorded signals depend on cutt length (longer stronger)
implanted system, as for
the heart pacemaker.
• multi‐channel
peroneal stimulation would
be necessary in order to
obtain more balanced
dorsiflexion.
-Epieneural electrodes
on the deep and
superficial peroneal
branches and im-
planted
receiver/stimulator
-control box and foot switch
• Functional results
equivalent to ODFS
• But - No skin irritation
- More comfortable - More
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