YOTOQ YARALARI BILAN KASALLANGAN BEMORLAR UCHUN CHOYSHAB MATOLARINING SIFAT KO‘RSATKICHLARINI KOMPLEKS BAHOLASH
Keywords:
yotoq yarasi, bosim jarohati, tibbiy tekstil, choyshab matosi, gigroskopiklik, havo o‘tkazuvchanligi, kapillyarlik, ishqalanish, mikroiqlim, yuza zichligi, mustahkamlik, paxta tolasi, aralash mato.Abstract
maqolada yotoq yaralari bilan kasallangan bemorlar uchun mo‘ljallangan choyshab matolarining gigiyenik, fizik-mexanik va ekspluatatsion xususiyatlari kompleks baholangan. Tadqiqotning ilmiy muammosi shundan iboratki, bemor terisi bilan uzoq muddat kontaktda bo‘ladigan choyshab materiali bir vaqtning o‘zida namlikni boshqarishi, yetarli havo almashinuvini ta’minlashi, mexanik ta’sirlarga va takroriy yuvishga chidamli bo‘lishi hamda teri–mato interfeysida ortiqcha ishqalanishni kuchaytirmasligi kerak. Tadqiqot obyekti sifatida amaliyotda qo‘llanilayotgan paxta va aralash tolali beshta mato namunasi tanlandi. Tolali tarkib, yuza zichligi, gigroskopiklik, havo o‘tkazuvchanligi, rangga chidamlilik, nam ishlov berishdan keyingi chiziqli o‘lchamlarning o‘zgarishi, tanda va arqoq yo‘nalishlaridagi mustahkamlik hamda kapillyarlik ko‘rsatkichlari aniqlandi. Natijalar barcha tekshirilgan namunalarda havo o‘tkazuvchanligi me’yoriy qiymatdan pastligini, ayrim namunalarda esa gigroskopiklik va o‘lcham barqarorligi bo‘yicha nomuvofiqlik mavjudligini ko‘rsatdi. Adabiyotlar tahlili namlikning teri–tekstil interfeysidagi ishqalanishni oshirishi va shu orqali siljish deformatsiyalarini kuchaytirishi mumkinligini ko‘rsatadi. Shuning uchun funksional tibbiy choyshab materiallarini tanlashda gigroskopiklik, havo o‘tkazuvchanligi va kapillyarlik bilan bir qatorda ishqalanish hamda namlik transporti xususiyatlarini ham kompleks baholash zarur.
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