Instructions For Use - Ossur GII Unloader Spirit Gebrauchsanweisung

Instructions For Use

A. Dynamic Force Strap
B. Mid Strap
C. Anterior Tibial Strap
D. Thigh Shell
Unloader Spirit Indications for Use:
• Mild to Severe Unicompartmental
Osteoarthritis
• Unicompartmental knee conditions
that require load reduction to affected
compartment such as articular cartilage defect
repair, meniscal cartilage repair, avascular
necrosis, and tibia plateau fracture
• Normal activities of daily living
• Patients under 250 lbs (115Kg)
Caution: For patients with peripheral vascular
disease, neuropathy, and sensitive skin, close
physician supervision is recommended
The Ossur GII Unloader™ Spirit
is modifiable to provide an good fit to the leg
anatomy while
Modifications to extension stops, shell alignment,
varus or valgus force, strap length, pad size, and
shell contour should only be made by the health
care professional.
Adjusting hinge contour and corrective forces:
(Picture 1).
Before putting the brace on the leg, loosen the two
tamper-proof hinge adjustment screws using the
supplied Allen wrench.
2. Seat the patient on the edge of a chair, leg in full
extension
3. Loosen the tibia strap
4. Place brace on leg with center of hinge in line
with center of patella. The hinge should be placed
midline in the anterior / posterior plane
5. Secure midstrap
Use spacer pads to quantify hinge angulation (each
pad = 3 degrees). (Picture 2).
6. Insert spacer pads between the patient's leg
and the condyle pad of the hinge
7. Align shells and hinge with leg anatomy
8. With slight pressure against the hinge, tighten
2
knee brace
®
providing corrective
E. Hinge adjustment mechanism
F. Polycentric hinge
G. Hinge adjustment mechanism
H. Calf Shell
the bottom hinge adjustment screw followed
by the top adjustment screw
9. Remove the brace, tighten the adjustment
screws
10. To ensure adjustment is secure, apply varus or
valgus strain to the mechanism. If the mechanism
clicks, go to step 1
Shell adjustment:
1. Remove liners from the brace
2. Use heat gun to warm specific area of shell
3. Apply pressure to adjust the shell shape
Strap length adjustment (Picture 3).
1. Determine strap length to be removed
2. Remove strap from brace
3. Locate Velcro loop end and remove Velcro hook
piece
forces.
4. Cut along sewn cut lines. Each line is 1 inch (2.5
cm)
5. Re-apply strap
Strap Pad Adjustment (Picture 4).
When strap pad interferes with D-ring or ability to
tighten strap:
1. Remove pad from strap
2. Cut along indentations
3. Place back on strap
Applying the Brace for use (note: instructions show
medial hinged brace):
1) Sit patient on edge of chair, leg fully extended
2) Loosen the tibia strap
3) Position brace on leg with center of hinge in line
with top of kneecap
Attach the brace straps in the following sequence.
(Picture 5).
4) Mid Strap –
a) Wrap strap around back of leg with strap pad on
top of calf muscle
b) Thread through strap ring and secure
c) Straps should be tight, without restricting
circulation or causing cramping
ENGLISH