Tissue Expander Sphere and Hemisphere*
Hydrogel implant for expansion of orbita and connecting tissue sack
at congenital anophthalmia and microophthalmia
* also known as Tissue Expander Orbita and Socket
Introduction: Self-inflation by osmotic principle
osmed self-inflating tissue expanders are made of a specially developed hydrogel that uses the
osmotic principle to gain volume.
Before expansion, osmed hydrogel expanders are small and hard and are easy to handle. After
implantation, osmed hydrogel expanders absorb body fluid and grow consistently to their
predefined form and size. The increased volume of the implant leads to an increase of soft tissue.
General advantages of osmed tissue expanders are: safe material, low complication rate, low risk of
infection, small incision, minimal trauma and short surgical time; controlled swelling without
pressure peaks. A short surgical time reduces post-operative pain and saves costs.
Indications for use
Expansion of the orbita at congenital anophthalmia and microophthalmia with Tissue
Expander Sphere
Expansion of the connecting tissue sack at congenital anophthalmia and
microphthalmia with Tissue Expander Hemisphere
This device is intended for temporary implantation.
Special advantages
Unique methods
Can prevent severe surgical procedure
Fixation of Tissue Expander Hemisphere possible
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Dimensions: Sphere
Before swelling
After swelling*
Order No.
Item
Volume
Diameter
Volume
Diameter
352-7100
Sphere 1 ml
0,.12 ml
6 mm
1 ml
12.4 mm
352-7200
Sphere 2 ml
0.30 ml
8 mm
2 ml
15.5 mm
352-7300
Sphere 3 ml
0,30 ml
8 mm
3 ml
18.0 mm
352-7400
Sphere 4 ml
0.43 ml
9 mm
4 ml
19.7 mm
352-7500
Sphere 5 ml
0.43 ml
9 mm
5 ml
21.8 mm
* in vitro in 0.9% NaCl-Sol.
In-vitro-swelling-curve*: Sphere
6
352-7500
Volume in ml
5
352-7400
4
352-7300
3
352-7200
2
352-7100
1
0
0
30
60
90
120
150
Time in hours
* in-vitro in 0,9% NaCl -solution
BK/2010-05
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Dimensions: Hemisphere
Before swelling
After swelling*
Order No.
Item
Volume
Diameter
Volume
Diameter
352-6040
Hemisphere 0.4 ml
0.06 ml
6 mm
0.4 ml
11.2 mm
352-6090
Hemisphere 0.9 ml
0.13 ml
8 mm
0.9 ml
14 mm
352-6090/P Hemisphere 0.9 ml
(drill hole parallel)
0.13 ml
8 mm
0.9 ml
14 mm
352-6150
Hemisphere 1.5 ml
0.20 ml
9 mm
1.5 ml
18 mm
352-6200
Hemisphere 2.0 ml
0.28 ml
10 mm
2.0 ml
20 mm
* in vitro in 0.9% NaCl-Sol.
In-vitro-swelling-curve*: Hemisphere
3
Volume in ml
352-6200
2
352-6150
352-6090
1
352-6040
0
0
30
60
90
120
150
Time in hours
* in-vitro in 0,9% NaCl -solution
0297
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