Wɔ nnɛyi aduruyɛ mfiridwuma a ɛkɔ so nya nkɔso no akyi no, balloon dilatation catheters abɛyɛ adwinnade a ɛho hia wɔ ntini mu oprehyɛn a wɔde wɔn ho hyɛ mu no mu. nea wɔpaw no ne catheter no ahobammɔ, ahoɔden a ɛtra hɔ kyɛ ne dwumadi no wɔ abusuabɔ tẽẽ, na edi dwuma titiriw wɔ oprehyɛn no mu nkonimdi anaa huammɔdi mu{1}}
Balloon dilatation catheter no fã titiriw ne balloon no, na ne nneɛma no akɔ so afi rɔba a edi kan no so akɔ nnɛyi polymer nneɛma. so mprempren no, balost nsu a ɛwɔ gua so ne polyamide (PA) ne polyethylene terephthalate (Po Ahoɔden. Polyethylene terephthalate no yɛ nea wɔpɛ sɛ ɛyɛ nea ɛbrɛ ne nnuru a ɛyɛ den yiye, na ɛfata titiriw ma bere tenten a wɔde bɛhyɛ nipadua no mu.
Mpɛn pii no, wɔde polyurethane (PU) anaa polyethylene (PE) nneɛma a wɔde yɛ catheter no fã titiriw. polyurethane nneɛma betumi atew abufuw a ɛba mogya ntini no fasu so no so na atew oprehyɛn mu asiane ahorow so esiane wɔn biocompatibility ne elasticity a ɛyɛ papa. polyethylene betumi ayɛ nsakrae wɔ vascular akwan a ɛyɛ den a ɛwɔ ne ho a ɛyɛ mmerɛw{22 so.
Bio nso, sɛnea ɛbɛyɛ a catheter no betumi ayɛ mfonini no yiye na ama nnuruyɛfo a wɔwɔ x-ray ase no ayɛ adwuma pɛpɛɛpɛ no, mpɛn pii no, wɔde ade a wɔde kata so a barium nkyene anaa iodine. akata catheter no ani yi so no, ɛnyɛ sɛ saa ade a wɔde kata so yi ma ntini no a wotumi hu no tu mpɔn nko, na mmom ɛma ne biosafety.
Wɔ atifi hɔ nneɛma no akyi no, catheters a ɛyɛ balloon a ɛwɔ soro a ɛyɛ fɛ no bi nso betumi de mfiridwuma a wɔde kata ade so, te sɛ nnuru a wɔde kata ade so. adi dwuma saa ade a wɔde kata so no betumi de nnuru adi dwuma tẽẽ wɔ akuru no ho bere a balloon no trɛw, na ɛma wonya nkɛntɛnso abien a efi ntini a wɔde sa yare ne nea esiw ano no mu a wɔde aduru no restenosis{2}}
Ne tiawa mu no, material selection of balloon dilatation catheters no yɛ nea efi nsusuwii a ɛkɔ akyiri a efi afã horow pii. mu ba ɛnyɛ sɛ ɛka ahobammɔ ne nkɛntɛnso a ɛwɔ oprehyɛn no mu nko, na mmom egyina hɔ ma aduruyɛ mfiridwuma a ɛkɔ anim.