Biomedical Engineering Reference
In-Depth Information
2004 Landi et
al. Italy +
Indonesia
Sponge
impregnation,
isotactic pressing,
sintering of HA in
simulated body fluid
CaO + H
PO
Yes:
1250°C
for 1 h
23 ± 3.8 MPa Closed 6%
Open 60%
66%
Porosity
control:
possibly by
controlling HA
particle size.
Not suggested
by authors
3
4
2003 Charriere
et al. EPFL,
Switzerland
Thermoplastic
negative porosity
by Ink jet printing,
slip casting process
for HA
DCPA + calcite No: 90°C
for 1 day
12.5 ± 4.6
MPa
—
44%
Porosity
control:
negative
printing
2003 Almirall et al.
Barcelona,
Spain
α-TCP foamed with
hydrogen peroxide
at different conc.,
liq. ratios, poured in
PTFE molds
α-TCP + (10%
and 20% H
No: 60°C
for 2 h
1.41 ± 0.27
MPa
2.69 ± 0.91
MPa
35.7% macro
29.7% micro
26.8% macro
33.8% micro
65.5%
60.7%
Porosity
control:
different
concentration,
α-TCP particle
sizes
O
)
2
2
2003 Ramay et al.
Seattle, WA
Slurries of HA
prepared: gel-casting
+ polymer sponge
technique, sintered.
HA powder Yes:
600°C
for 1 h
1350°C
for 2 h
0.5-5 MPa 200-400 μm 70-77% Porosity
control:
replicate of
polymer sponge
template
(Contd.)
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