Kwihlabathi lamayeza anamhlanje, ukuchaneka, ukuthembeka, nokhuseleko azinakuguqulwa. Phakathi kwezixhobo ezininzi ezixhobisa abaqeqeshi bezempilo ukuba banikezele ngononophelo oluphezulu, ii-catheter ekhokelayoibalasele njengecandelo elibalulekileyo kwiinkqubo ezingenelelayo kancinci. Njengenxalenye yoluhlu olubanzi lwecatheters zonyango, ii-catheters ezikhokelayo zidlala indima ebalulekileyo kuxilongo, unyango, kunye nongenelelo lotyando. Kuba iingcali ezibandakanyekayo kunikezelo lwezonyango kunyeizinto ezityiwayo zonyango, ukuqonda izicelo, iintlobo, kunye nokwahlula kwezi zixhobo ngundoqo ekunikezeni izisombululo zezempilo ezisemgangathweni.
Yintoni iCatheter eKhokelayo?
I-catheter ekhokelayo ngumbhobho owenziwe ngokukodwa osetyenziselwa ukukhokela ezinye izixhobo, ezifana ne-stents, iibhaluni, okanye i-guidewires, kwindawo ethile ngaphakathi komzimba-ngokuqhelekileyo ngaphakathi kwenkqubo ye-vascular. Ezi catheters zinika inkxaso kunye nokuzinza, ukuvumela ulawulo oluchanekileyo ngexesha leenkqubo ezifana ne-coronary angiography okanye i-percutaneous coronary intervention (PCI).
Ngokungafani nee-catheters zokuxilonga, ii-catheters ezikhokelayo zikhulu ububanzi kwaye zinamandla ngakumbi, ezivumela ukuba zihambise ezinye izixhobo ngelixa zigcina indawo yazo ngaphakathi kwenqanawa. Ngokuqhelekileyo zifakwe kwi-peripheral artery (efana ne-femoral okanye i-radial artery) kwaye zihamba nge-vascular system ukufikelela entliziyweni okanye ezinye iindawo ekujoliswe kuzo.
Iintlobo zeeCatheters eziKhokelayo
Kukho iintlobo ezahlukeneyo ze-catheters ezikhokelayo ezikhoyo, nganye ilungiselelwe ukuhlangabezana neemfuno ezithile zeklinikhi kunye nokwahluka kwe-anatomical. Ukukhethwa kohlobo lwe-catheter kuxhomekeke kwinkqubo, imeko yesigulane, kunye nokukhethwa kukagqirha. Ezinye iintlobo eziqhelekileyo ziquka:
Judkins Left (JL) noJudkins Right (JR): Ezi zisetyenziswa ngokuqhelekileyo kungenelelo lwecoronary. I-JL yenzelwe i-coronary artery yasekhohlo, ngelixa i-JR isetyenziselwa ekunene.
I-Amplatz (AL / AR): Yenzelwe ukufikelela kwi-vascular complex okanye i-atypical, ngakumbi xa i-catheters esemgangathweni ayikwazi ukunika inkxaso eyaneleyo.
Iinjongo ezininzi (MP): Inikeza ukuguquguquka kokufikelela kwiindawo ezininzi ze-vascular.
Ugcino olongezelelweyo (i-XB okanye i-EBU): Inikezela ngenkxaso eyongeziweyo kunye nokuzinza kumatyala anzima okanye i-anatomy ye-tortuous.
Uhlobo ngalunye luyahluka ngokwemilo yencam, ubude, kunye nokuguquguquka, okwenza ukhetho olufanelekileyo lubaluleke kakhulu kwimpumelelo yenkqubo.
Ukusetyenziswa kweeCatheter eziKhokelayo kuSebenzi lwezoNyango
I-catheters ekhokelayo isetyenziswa ngokubanzi kwiinkqubo ze-cardiovascular, i-neurology, kunye ne-radiology yokungenelela. Nazi ezinye zezicelo zabo eziphambili:
Ungenelelo lweCoronary: Ukuququzelela ukubekwa kweestents okanye iibhaluni kwimithambo evalekileyo ngexesha leangioplasty.
Iinkqubo ze-Electrophysiology: Ukwazisa imephu kunye nezixhobo zokukhupha entliziyweni.
Iinkqubo ze-Neurovascular: Ukuhambisa iikhoyili okanye i-embolic agents ekuphatheni i-aneurysms okanye i-arteriovenous malformations.
I-Peripheral Interventions: Isetyenziselwa ukufikelela kwi-artery ye-peripheral kunye nokuhambisa unyango kwiinqanawa ezivaliweyo okanye ezinqamlekileyo.
Ngenxa yokuguquguquka kwazo kunye nendima ebalulekileyo ekunikezeni ezinye izixhobo, ii-catheters ezikhokelayo zisisiseko kuluhlu lwaso nasiphi na isixhobo sonyango okanye umthengisi wezinto ezisetyenziswayo zonyango.
Umahluko phakathi kweGuidewire kunye neCatheter
Nangona isetyenziswa rhoqo kunye,guidewireskunye neecatheters zisebenza ngeenjongo ezahlukeneyo kwiinkqubo zonyango.
I-Guidewire: Intambo encinci, eguquguqukayo esetyenziselwa ukuhamba nge-vascular system ukufikelela kwithagethi ethile. Isebenza njenge "pathfinder" yee-catheters kunye nezinye izixhobo.
I-Catheter: Ityhubhu evulekileyo eqhubela phambili ngaphezulu kwesikhokelo sokuhambisa izixhobo zonyango okanye zokuxilonga kwindawo yonyango.
Ngamafutshane, i-guidewire ikhokelela indlela, kwaye i-catheter ilandela. Ngelixa i-guidewire inikezela ukuhamba, i-catheter ibonelela ngesakhiwo kunye ne-conduit yezinye izixhobo.
IiCatheters eziKhokelayo kuLuhlu lwezoBonelelo lwezoNyango
Ngokunyuka kwezifo zentliziyo kunye nokutshintsha kwehlabathi ukuya kwiinkqubo ezihlaselayo kancinci, imfuno ye-catheters ekhokelayo ikhule kakhulu. Abathumeli bangaphandle kunye nabavelisi bezinto zonyango kufuneka baqinisekise ukuba ezi zixhobo ziyahlangabezana nemigangatho yomgangatho wamazwe ngamazwe njenge-ISO kunye nesatifikethi se-CE.
Izinto ezifana nokuvala inzala, ukuqina kwezinto eziphathekayo, ukuhambelana kwebhayoloji, kunye nokupakishwa zizinto ezibalulekileyo eziqwalaselwayo ekuthunyelweni kwamanye amazwe.catheters zonyango. Iinkampani zisebenza kwihlabathi jikeleleizinto ezityiwayo zonyangourhwebo kufuneka luzazi iimfuno zolawulo kwiimarike ekujoliswe kuzo njenge-EU, i-US, kunye noMbindi Mpuma.
Ukuqukumbela
I-catheter ekhokelayo ingaphezulu nje kweqhekeza letyhubhu-sisixhobo esibalulekileyo esenza iinkqubo zokusindisa ubomi. Njengoko iinkqubo zokhathalelo lwempilo kwihlabathi liphela ziqhubeka zisebenzisa iindlela eziphucukileyo, ezingaphantsi konyango, ii-catheters ezikhokelayo ziya kuhlala zizixhobo eziyimfuneko koogqirha. Kubathathi-nxaxheba kubonelelo lwezonyango kunye neshishini lokusetyenziswa kwezonyango, ukuqonda kunye nokukhuthaza ixabiso lezi zixhobo kubalulekile ekuqhubeni izinto ezintsha kunye nokuphucula ukunakekelwa kwesigulane.
Ixesha lokuposa: Jun-09-2025