{"id":5728,"date":"2021-07-19T10:25:52","date_gmt":"2021-07-19T08:25:52","guid":{"rendered":"https:\/\/lifelonghearing.com\/?p=5728"},"modified":"2025-04-14T13:00:17","modified_gmt":"2025-04-14T13:00:17","slug":"razvoj-pv","status":"publish","type":"post","link":"https:\/\/lifelonghearing.com\/sl\/razvoj-pv\/","title":{"rendered":"Razvoj PV"},"content":{"rendered":"

Tako poteka razvoj pol\u017eevih vsadkov<\/h1><\/div>

“Sluh za vse \u017eivljenje” vedno postavlja v ospredje ljudi: tiste, ki imajo koristi od pol\u017eevih vsadkov, in tiste, ki jim pri tem pomagajo. Zato danes govorimo s tistimi v sredi\u0161\u010du proizvodnje PV: z razvijalci.<\/strong><\/p>\n<\/div>

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Martin Zimmerling, rojen Innsbru\u017ean, je danes vodja razvoja vsadkov pri podjetju MED-EL. Med doktorskim \u0161tudijem se je sre\u010dal s pol\u017eevimi vsadki in bil takoj navdu\u0161en: “Razvoj vsadkov je interdisciplinarni izziv. Kon\u010dni rezultat je izdelek z visoko vrednostjo za uporabnike.”<\/p>\n

V skoraj 20 letih je in\u017eenir elektronike in diplomirani fizik izumil veliko stvari, od katerih se nekatere \u017ee uporabljajo v sistemih. “\u0160tevilo patentov ni pomembno,” skromno pravi izumitelj. “Pomembne so tiste ideje, ki uporabniku prina\u0161ajo dejanske koristi. Pogosto so male ideje tiste, ki nas vodijo naprej in na koncu naredijo poslu\u0161anje s PV prijetnej\u0161e.”<\/p>\n

Novozelandka dr. Ellyce Stehlin je v ekipi \u0161e precej nova. Njena doktorska disertacija iz medicinske tehnologije obravnava varnostne vidike vsadljivih pripomo\u010dkov pri slikanju z magnetno resonanco ali MRI. “Ker so MR preiskave vse pogostej\u0161e, je treba upo\u0161tevati tudi uporabnike vsadkov.” To je danes mogo\u010de zaradi bolj\u0161ega razumevanja naprav MRI in skrbnega razvoja novih vsadkov. “Ni \u0161e dolgo tega, kar so bolnikom s kakr\u0161nimkoli implantom odsvetovali MRI, ker so se bali u\u010dinkov elektromagnetnega polja.”<\/p>\n

MRI naprave uporabljajo mo\u010dno magnetno polje. Specialistka pojasnjuje: “Magnetno polje lahko premakne vsadek v glavi osebe, tako kot magnet hladilnika privla\u010di hladilnik.” Enota za mo\u010d magnetnega polja je Tesla.<\/p>\n

Ko ideja za\u017eivi<\/h2>\n

V Avstriji je Zimmerling \u017ee leta delal na varnih MR preiskavah z vsadki MED-EL. “Hitro sem spoznal, da je magnet v PV v najslab\u0161em mo\u017enem polo\u017eaju glede na magnetne sile pri MRI.” Pred desetimi leti je \u017ee imel idejo, da bi magnetna pola razporedil druga\u010de, sferi\u010dno. Toda prve zasnove so kirurgi z izku\u0161njami s PV zavrnili. “Sferi\u010dna zasnova je bila zanje prevelika. Dodatni napor med operacijo bi predstavljal stres za majhne otroke.”<\/p>\n

Kasneje je vodja razvoja pri\u0161el na idejo, da bi obliko krogle splo\u0161\u010dil. To je vrte\u010di se magnet v obliki diska, ki se prosto giblje znotraj vsadka. To zmanj\u0161a pritisk, ki ga magnet izvaja na bolnikovo glavo.<\/p>\n

“Kadarkoli pri vsadku nekaj spremenimo, moramo upo\u0161tevati vse mo\u017ene u\u010dinke te spremembe.” Spremenjen magnet bi lahko vplival na prenos signala med oddajno tuljavo in magnetom ali pa na varnost in zanesljivost sistemov. “Da bi vse to preverili, je potrebno veliko razmisleka in preizku\u0161anja,” pravi razvijalec, ko opisuje dolgo pot od ideje do uvedbe na trg.<\/p>\n

\"\"

Dr. Martin Zimmerling<\/p><\/div>\n

Odlo\u010ditev za najbolj\u0161ega<\/h2>\n

Ko je avstrijski proizvajalec MED-EL prejel odobritev za svoj vsadek SYNCHRONY za MRI do 3,0 Tesla, je Ellyce Stehlin delala na svoji doktorski nalogi na Univerzi v Aucklandu na Novi Zelandiji. “Tedaj \u0161e noben drug pol\u017eev vsadek tega ni omogo\u010dal. Spoznala sem, kako dejaven in napreden je bil MED-EL na tem podro\u010dju.” Tako se je odlo\u010dila, da se pridru\u017ei ekipi v Innsbrucku. a to se je celo odrekla svojemu najljub\u0161emu \u0161portu, veslanju! Zdaj pa “osvaja Alpe” s pohodni\u0161tvom, tekom, plezanjem in smu\u010danjem.<\/p>\n

Raziskovanje mo\u010dnej\u0161ih in kompleksnej\u0161ih MRI naprav hitro napreduje, vendar so potrebni tudi znanstveniki, ki tem raziskavam sledijo. “Sprejela sem izziv, da bom tem inovacijam sledila, tako bodo imeli na\u0161i uporabniki koristi od razvoja, ko se ta zgodi.” Tehni\u010darka s prijaznim nasmehom opi\u0161e svoje vsakodnevno delo kot “me\u0161anico fizikalnih testov v laboratoriju ali kliniki in ra\u010dunalni\u0161kih simulacij.”<\/p>\n

Njen nadzornik Zimmerling ji je \u017ee slu\u017eil kot \u201eposkusni zaj\u010dek\u201c: “Na primer, ob svoji glavi sem dr\u017eal pol\u017eev vsadek, da sem sam za\u010dutil interakcijo MRI z razli\u010dnimi oblikami vsadkov.”<\/p>\n<\/div><\/div><\/div><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"

“Sluh za vse \u017eivljenje” vedno postavlja v ospredje ljudi: tiste, ki imajo koristi od pol\u017eevih vsadkov, in tiste, ki jim pri tem pomagajo. Zato danes govorimo s tistimi v sredi\u0161\u010du proizvodnje PV: z razvijalci.<\/p>\n","protected":false},"author":4,"featured_media":31973,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[513],"tags":[514,525,522],"class_list":["post-5728","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-znanost","tag-pv","tag-razvoj-sr","tag-zanesljivost-slusnih-vsadkov"],"yoast_head":"\nRazvoj PV - Slovenia<\/title>\n<meta name=\"description\" content=\"Srce proizvodnje pol\u017eevih vsadkov: Razvoj vsadkov. 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