IN-VITRO ASSESSMENT OF WATER-VAPOR TRANSMISSION OF SYNTHETIC WOUND DRESSINGS

被引：196

作者：

WU, P ^{[1
]}

FISHER, AC ^{[1
]}

FOO, PP ^{[1
]}

QUEEN, D ^{[1
]}

GAYLOR, JDS ^{[1
]}

机构：

[1] CONVATEC LTD, WOUND HEALING RES INST, DEESIDE CH5 2NU, CLWYD, WALES

来源：

BIOMATERIALS | 1995年 / 16卷 / 03期

关键词：

WOUND DRESSINGS; HYDROCOLLOID; WATER VAPOR TRANSMISSION; AIR VELOCITY;

D O I：

10.1016/0142-9612(95)92114-L

中图分类号：

R318 [生物医学工程];

学科分类号：

0831 ;

摘要：

The water vapour transmission rate (WVTR) of 14 commercially available synthetic wound dressings (11 hydrocolloids, 2 hydrogels and 1 polyurethane film) was evaluated over 24 and 48 h periods using a modified ASTM standard method (ASTM E96-90). For the 48 h studies a novel microcomputer-controlled apparatus was employed. The dressings exhibited a wide range of WVTRs (76-9360 g m(-2) d(-1) at 24 h under forced air convection of 0.4 m s(-1)). The influence of air velocity of 0.4 m s(-1) was not significant if the WVTR of the dressing was less than 880 g m(-2) d(-1) when measured under static air conditions. The influence of outer barrier layers and additional bandages on WVTR was also examined.

引用

页码：171 / 175

页数：5

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