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Sutures na tiyata
Sutures na tiyata suna da mahimmanci don rufe raunuka, suna da ikon yin aiki da ƙarfi fiye da mannen nama da kuma hanzarta aiwatar da aikin warkarwa na halitta. Akwai kayan suture da yawa waɗanda aka karɓa don wannan dalili - irin su robobi masu lalacewa da marasa lalacewa, sunadaran sunadarai da aka samo asali, da ƙarfe - amma aikinsu ya iyakance saboda taurinsu. Kayan sutura na al'ada na iya haifar da rashin jin daɗi, kumburi da raunin warkarwa, a tsakanin sauran matsalolin bayan tiyata.
A ƙoƙarin magance wannan matsala, masu bincike daga Montreal sun ƙera sabbin sutures ɗin tiyata masu tauri mai tauri (TGS).
Wadannan sutures na gaba-gaba sun ƙunshi ambulan gel mai santsi, duk da haka mai tauri, suna kwaikwayon tsarin kyallen takalma masu laushi. A cikin sanya suturar tiyata mai tauri mai tauri (TGS) a gwajin, masu binciken sun gano cewa gel ɗin gel ɗin da ba shi da ƙarfi ya rage lalacewar da yawanci ke haifar da sutures na gargajiya.
Sutures ɗin tiyata na al'ada sun kasance a cikin ƙarni kuma ana amfani da su don riƙe raunuka tare har sai an kammala aikin warkarwa. Amma sun yi nisa daga manufa don gyaran nama. Ƙunƙarar zaruruwa na iya yanki da lalata kyallen jikin da ba su da ƙarfi, wanda ke haifar da rashin jin daɗi da rikitarwa bayan tiyata.
A cewar masu binciken, wani ɓangare na matsala tare da sutures na al'ada shine rashin daidaituwa tsakanin kyallen jikinmu masu laushi da tsaurin suture wanda ke shafa akan tuntuɓar nama. Jami'ar McGill da INRS Énergie Matériaux Télécommunications Researchungiyar Cibiyar Nazarin Sadarwa sun tunkari wannan matsala ta hanyar haɓaka sabuwar fasaha wacce ta kwaikwayi makanikan tendons.
Ƙwararren Ƙwararrun Dan Adam
Don magance matsalar, ƙungiyar ta ƙirƙiri sabuwar fasaha wacce ke kwaikwayi injiniyoyi na tendons. “Tsarin mu yana yin wahayi ne daga jikin ɗan adam, kwafin endotenon, wanda yake da ƙarfi da ƙarfi saboda tsarin hanyar sadarwa biyu.
Yana haɗa fibers collagen tare yayin da hanyar sadarwar sa ta elastin ke ƙarfafa shi,” in ji jagorar marubucin Zhenwei Ma, ɗalibin PhD a ƙarƙashin kulawar Mataimakin Farfesa Jianyu Li a Jami'ar McGill.
Sheath na endotenon yana samar da wani wuri mai santsi don rage juzu'i tare da nama da ke kewaye kuma yana ba da kayan gyara nama a cikin raunin jijiya, wanda ya ƙunshi sel da tasoshin jini da jigilar jama'a da gyaran jijiyoyi.
Za a iya kera sutures ɗin tiyata masu tauri (TGS) don samar da keɓaɓɓen magani bisa buƙatun majiyyaci, in ji masu binciken.
Kayayyakin Suture na Gaba na Gaba
Sutures na Jami'ar McGill sun ƙunshi sanannen suturar suturar kasuwanci a cikin ambulan gel wanda ke kwaikwayon wannan kwasfa. Za a iya ƙirƙira sutures ɗin tiyata mai tauri mai tauri (TGS) har zuwa 15cm tsayi kuma ana iya bushe shi don adana dogon lokaci.
Yin amfani da fata na farko na porcine sannan samfurin bera, masu binciken sun nuna cewa za a iya amfani da su don daidaitattun suturar tiyata da ƙuƙwalwa kuma suna da tasiri don rufe raunuka ba tare da haifar da kamuwa da cuta ba.
Sutures na tiyata mai tauri (TGS) - a cikin wani layi daya tare da sheaths na endotenon - kuma ana iya tsara su don ba da magani na musamman na rauni.
Keɓaɓɓen Maganin Rauni
Masu binciken sun nuna wannan ka'ida ta hanyar ɗora sutures tare da fili na ƙwayoyin cuta, pH jin microparticles, kwayoyi da nanoparticles masu kyalli don rigakafin kamuwa da cuta, kula da gadon rauni, isar da magunguna da aikace-aikacen bioimaging.
“Wannan fasaha tana ba da kayan aiki iri-iri don ci gaba da sarrafa raunuka. Mun yi imanin za a iya amfani da shi don isar da magunguna, hana kamuwa da cuta, ko ma sa ido kan raunuka tare da hoton infrared kusa,” in ji Li na Sashen Injin Injiniya.
"Ikon sa ido kan raunuka a cikin gida da daidaita tsarin kulawa don ingantacciyar warkarwa shine jagora mai ban sha'awa don ganowa," in ji Li, wanda kuma shi ne Shugaban Bincike na Kanada a Biomaterials da Lafiyar Musculoskeletal.
Bayanan Farko:
1. Jami'ar McGill
2. Bioinspired m gel sheath ga robust kuma m surface functionalization. Zhenwei Ma et. al. Ci gaban Kimiyya, 2021; 7 (15): eabc3012 DOI: 10.1126/sciadv.abc3012