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Chow, et al.
A C

B

Figure 8. Pressure dosage evaluation by Pliance X System: (A) The overview and setup of Pliance
X System; (B) insertion of the pressure sensor between the hypertrophic scars and pressure garment;
(C) the differences of pressure dosage between traditional pressure therapy and the suggested customized
silicone insert pressure therapy.

approach is that sewing of soft material can be realized result can be referred to Figure 8C. The result
due to the core fabric structure. The reinforced soft clearly proved the silicone insert can specifically
material can be stitched with various materials such increase the interfacial pressure between the
as smart and shape memory materials, or optical insert and the HS in all garment size (reduction)
fibers which are convenient for developing smart conditions, while its influence of pressure on
textiles, and wearable and electronic devices. other body regions (dorsal side) was somewhat
3.3 Effect of silicone insert on pressure delivery subtle. The result indicates that 10% size reduced
garment with silicone insert could exert around

Figure 7 shows the patterns of the pressure garment 25 mmHg pressure to the HS to encourage their
in different reduction factors and the assembly maturation and inhibit their growth. Although the
method. In our study, the NOVEL Pliance X 20% size reduced garment could also exert around
system was adopted for measuring the interface 25 mmHg pressure to the HS, the patients had
pressure generated by the pressure garment which major difficulties to put on the garment and fasten
had been evaluated and validated for accuracy the zipper which may adversely affect the practical
by different researchers [36,37] . The system was use of pressure garment with high risk of injuries
characterized by the slim size of sensor which to the skin. It may induce excessive pressures
is <10 mm in diameter and 1 mm in thickness. onto the healthy skin, leading to limitations of
Figure 8A shows the overview of Pliance X movements and discomfort to the patient. In this
system and Figure 8B demonstrates the process of study, the integrated 3D printed silicone insert
inserting the sensor between the pressure garment and pressure therapy can exert the specific and
and the HS. Due to the tiny size of the sensor, it adequate amount of pressure onto different body
can be inserted under the pressure garment easily. parts to effectively treat HS, thus benefiting burn
The landmarks for pressure dosage testing and the patients toward a quicker recovery.

International Journal of Bioprinting (2020)–Volume 6, Issue 2 79