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TECHNICAL INFORMATION
3.3.1.
Modular Arm Abduction Orthosis
T e c h n i c a l
D e s c r i p t i o n
a n d
I n s t r u c t i o n s
ING-TI-3.3.1-2004/1
Modular Arm Abduction Orthosis - Technical Information 3.3.1. , ING corporation, spol. s r.o. © 2004
Technical Information 3.3.1.
Modular Arm Abduction Othosis
1. INTRODUCTION AND TECHNICAL DESCRIPTION
1.1.
PRODUCT NAME
DA
Modular Arm Abduction Orthosis
1.2.
RANGE OF APPLICATION
Modular Arm Abduction Orthosis is designed for relief and immobilization of the shoulder arm-area especially in the treatment of post-traumatic and postoperative conditions. The orthosis enables the positioning
of the upper extremity - the adjustment of the angle of shoulder abduction, the adjustment of the horizontal
flexion in shoulder and elbow joints. The Modular Arm Abduction Orthosis is provided as an assembly for
individual treatment. The orthosis is prescribed by a medical doctor, fabrication and fitting are performed by
the orthotist. Advantages of the orthosis are adjustability at any time and improved wearing comfort
(minimal weight, hygienic qualities, mobility of a patient). The orthosis does not ensure the same fixation
compared to plaster cast.
1.3.
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2
3
The orthosis consists of length-adjustable trunk
(4), upper arm (3) and forearm (1), (2) bars.
Pelvic (6) and thoracic (5) band are attached to
the trunk bar. Upper arm (8) and forearm (7) rests
are attached to the arm bars. Modules are
assembled using the set of screws and bolts (10).
The orthosis is fixed on the patient using the set
of straps (9).
5
10
1
4
7
1
2
3
4
5
forearm bar (1)
forearm bar (2)
upper arm bar
trunk bar
thoracic band
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The Modular Arm Abduction Orthosis of the
universal size is available suitable both for left
and right sided applications.
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6
7
8
9
10
Pelvic band - shoulder joint
Shoulder joint - elbow joint
Elbow joint- mp joint
Shoulder abduction angle
Shoulder horizontal flexion angle
Elbow horizontal flexion angle
pelvic band
forearm rest
upper arm rest
set of straps
set of screws
B
A
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320-400 mm
190-280 mm
310-410 mm
40 o - 105 o
0 o - 90 o
0 o - 130 o
2. MEASUREMENT
2.1.
C
TECHNICAL DESCRIPTION
MEASUREMENTS
The ING modular arm abduction orthosis is
assembled and adjusted according to the
following measurements:
A forearm length (olecranon - mp joint)
B upper arm length (axilla - olecranon)
C length axilla - trochanter
α angle of abduction of shoulder
β angle of horizontal flexion of elbow
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Modular Arm Abduction Othosis
Technical Information 3.3.1.
2.2.
MEASURING PROCEDURE
The affected arm of the patient should be kept in
prescribed therapeutic position during measuring
and application of the orthosis.
Measure the length of the forearm (olecranon to
mp joint) - measurement A.
Measure the length of the upper arm (axilla to
olecranon) - measurement B.
Measure the trunk length (axilla to trochanter) measurement C.
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Technical Information 3.3.1.
Modular Arm Abduction Othosis
Measure the angle of abduction - angle α.
Measure the angle of elbow rotation - angle β.
3. FITTING OF THE ORTHOSIS
Fit the thoracic band to patient. The upper edge
should be approximately 2-3 cm bellow the axilla.
Fit the pelvic band to patient. The lower edge
should be approximately 5 cm above the
trochanter.
Prevent the pressure effect to the anterior
superior iliac spine (A.S.I.S.)!
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Modular Arm Abduction Othosis
Technical Information 3.3.1.
Preshape manually trunk bands - if necessary.
Attach the pelvic band to the trunk bar.
Tighten the screws reliably.
Attach the thoracic band to the trunk bar.
Tighten the screws reliably.
Release the bolts of the trunk bar.
The orthosis is ready for the length adjustment of
the trunk bar.
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Technical Information 3.3.1.
Modular Arm Abduction Othosis
The length between the outer edges of the trunk
bands is equal the measurement C minus 7 cm
(measured on the inner surface).
Tighten the bolts reliably.
Release the bolts of the upper arm bar.
The orthosis is ready for the length adjustment of
the upper arm bar.
The length of the upper arm bar is equal the
measurement B minus 7 cm (measured between
the shoulder joint and elbow one).
Tighten the bolts reliably.
The bolts fix the upper arm rest on the upper arm
bar. The position of the upper arm rest can be
modified.
Place the upper arm rest in the distance of 1/3
length of the upper arm bar (measured from the
elbow joint).
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Modular Arm Abduction Othosis
Technical Information 3.3.1.
Release the bolts of the forearm bar.
The orthosis is ready for the length adjustment of
the forearm bar.
The length of the forearm bar is equal the
measurement A (measured between the elbow
joint and the edge of the hand rest ).
Tighten the bolts reliably.
The bolts fix the forearm rest on the forearm bar.
The position of the forearm rest can be modified.
Place the forearm rest in the distance of 1/2
length of the forearm bar.
Adjust the horizontal flexion of the shoulder joint.
Tighten the screws reliably.
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Technical Information 3.3.1.
Modular Arm Abduction Othosis
Adjust the angle of abduction using the adjustment unit.
Measure and check the angle of abduction.
Adjust the horizontal flexion of the elbow joint.
The fixed value or the limited range of motion can
be adjusted in the elbow joint.
Tighten the screws reliably.
Measure and check the horizontal flexion of the
elbow joint.
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Modular Arm Abduction Othosis
Technical Information 3.3.1.
4. APPLICATION AND FINAL
FITTING OF THE ORTHOSIS
4.1.
FITTING
Place the orthosis under the arm of the patient and
hold the orthesis in the desired position.
Place the thoracic strap within the roll guides of
the thoracic band and fix it by means of both
hook and pile closure.
Place the pelvic strap within the roll guides of the
pelvic band and fix it by means of both hook and
pile closure.
Place the diagonal strap within the roll guides of
the pelvic band over the opposite shoulder and fix
it by means of both hook and pile closure.
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Technical Information 3.3.1.
Modular Arm Abduction Othosis
Fasten the shoulder strap.
This strap is optional.
Fasten the strap of the upper arm rest.
Fasten the strap of the forearm rest.
The orthosis now provides the stability of the
shoulder joint and it is ready for fine adjustments.
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Modular Arm Abduction Othosis
Technical Information 3.3.1.
4.2.
FINE ADJUSTMENTS
The final adjustments can be maintained after the
preliminary fitting of the orthosis.
The following adjustments can be provided:
• adjustment of the forearm length
• adjustment of the upper arm length
• adjustment of the trunk bar length
• adjustment of the angle of abduction
The adjustment sleeve on the threaded rod
provides angle adjustment:
Left rotation = increased angle of abduction
Right rotation = decreased angle of abduction
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ING corporation, spol. s r.o.
Technical Information 3.3.1.
Modular Arm Abduction Othosis
• adjustment of the horizontal flexion of the
shoulder joint
• adjustment of the horizontal flexion of the
elbow joint
Rotate the forarm rest if the small angle of
abduction is adjusted
Rotated forarm rest enables the patient better fit
and support of the forearm
Tighten the bolts reliably.
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Modular Arm Abduction Othosis
Technical Information 3.3.1.
5. CHECK-OUT
The following check-out is reccomended:
• positioning and fitting of the pelvic and thoracic
band
• positioning and fastening of the straps
• adjustment of the shoulder angle of abduction
• adjustment of the shoulder angle of horizontal
flexion
• positioning and fitting of the upper arm rest
• adjustment of the elbow angle of horizontal
flexion
• positioning and fitting of the forearm rest
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Technical Information 3.3.1.
Modular Arm Abduction Othosis
Ventral view of the Arm Abduction Orthosis.
Lateral view of the Arm Abduction Orthosis.
Dorsal view of the Arm Abduction Orthosis.
Diagonal rear view of the Arm Abduction
Orthosis.
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Modular Arm Abduction Othosis
Technical Information 3.3.1.
Sitting in the Arm Abduction Orthosis.
Patient can wear standard clothes using Modular
Arm Abduction Orthosis.
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ING corporation, spol. s r.o.
ING corporation, spol. s r.o.
Dr. Jánského 3238, 738 01 Frýdek-Místek, Czech Republic
Tel: +420 558 663 215, fax: +420 558 663 217