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medi 4C

Intended purpose 

medi 4C is a hyperextension brace. The 
product is exclusively to be used for the 
orthotic fitting of the lumbar spine / 
thoracic spine and only on unbroken 
skin.

Indications

• 

Stable vertebral compression fractures 
of the lower thoracic and lumbar spine

• 

Temporary immobilisation after 
operations of unstable fractures of 
vertebral bodies or veretebral discs 
and after decompressing operations 
with and without internal stabilisation  

• 

Conservative inoperable or postoperative 
treatment for tumours and metastases 
of the spinal column

• 

Axial stabilisation for osteoporotic 
vertebral colapse in the thoracic and 
lumbar spine

Contraindications

The medi 4C hyperextension orthosis 
should not be used for patients with 
unstable lumbar or thoracic vertebral 
fractures with and without neuroloical 
deficit which require surgery.

Adjusting the width

First loosen the 4 allen screws on the 
chassis (A/B) and adjust the orthosis to 
the width of the patient’s body.
Please ensure that the orthosis lies flat 
against the body. Retighten the screws 
on the chassis (A/B)

Adjusting the upper angle

Loosen the two upper screws (C). Adjust 
the angle so that the two extension pads 
lie just below the cavicle (Fig. 3) Tighten 
the two screws (C).

Adjusting the length

Remove both side pads (G) and loosen 
the screws on the lateral chasis (H). 
Adjust the orthosis to the length of the 
patient’s body.  

Important note: the chassis (H) can be 

moved up or down on the connecting 

sites to match the level of the lesion. 

Take care not to bend the lateral 

frame sections for adjusting the 

length after removing from the 

chassis. If necessary, only the upper 

chest rod and pelvis clasp should be 

set. Do not use any sharp-edged tools. 

Sharply bent parts should be replaced 

rather then re-bent.

Cut the padding (G) to the required 
length and attach it with the Velcro 
strip. Tighten the chassis screws (H).

Adjusting the extension pads

After loosening the screws you can 
adjust the height of the extension pads 
(D) and the lateral angle. Please ensure 
that the central chassis (A) does not 
come into contact with the sternum.

Adjusting the lower angle

Loosen the two screws (E). Adjust the 
angle to position the symphysis pad (F) 
to suit the body contours. Please ensure 
that the symphysis pad is not too low to 
allow the patient to sit upright. Now 
tighten both screws.

medi 4C with ratchet closer

Closing the buckle

Fold back the buckles of both closers. 
Push both ends of the straps into the clip 
openings from the back until they 
emerge from the front. Opening the 
clasp to 90 degrees and closing it draws 
the strap in and it can easily move into 
hyperextension. 

Caution: Do not close 

the belt by force! 

On reaching the 

desired final position, press both buckles 
closed. The strap can be shortened using 

English

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