{"id":1316,"date":"2016-10-04T18:46:52","date_gmt":"2016-10-04T17:46:52","guid":{"rendered":"http:\/\/www.crowave.com\/blog\/?p=1316"},"modified":"2016-10-04T18:46:52","modified_gmt":"2016-10-04T17:46:52","slug":"dvostruki-oscilograf-mehanicki-tlakomjer-gesenius-keller","status":"publish","type":"post","link":"https:\/\/www.crowave.com\/blog\/2016\/10\/04\/dvostruki-oscilograf-mehanicki-tlakomjer-gesenius-keller\/","title":{"rendered":"DVOSTRUKI OSCILOGRAF &#8211; MEHANI\u010cKI TLAKOMJER Gesenius &#038; Keller"},"content":{"rendered":"<p>Danas je nabavljen mehani\u010dki medicinski oscilograf, odnosno tlakomjer sa mogu\u0107nosti mehani\u010dkog bilje\u017eenja vrijednosti sr\u010danog tlaka. Oscilograf datira iz 1950-tih godina i ima oznaku: &#8220;Oscillograph zur doppelseitigen Pulsschreibung nach Prof. Gesenius &amp; Keller&#8221;. Nabavljen je samo osnovni ure\u0111aj bez igli za ispis vrijednosti, a cijeli komplet, osim uputa i potro\u0161nog materijala (papir za ispis vrijednosti, tinta za pisa\u0107e igle, papirnati ubrusi&#8230;) uklju\u010duje i \u0161est man\u017eeta razli\u010ditih veli\u010dina sa pripadaju\u0107im pumpicama (vrlo sli\u010dne onima kakve imaju i dana\u0161nji mehani\u010dki tlakomjeri), a koje se mogu postaviti na ruke ili noge. S obzirom da je tlakomjer dvostruki mogu se paralelno promatrati promjene na dvije arterijske to\u010dke na tijelu.<\/p>\n<p><a href=\"http:\/\/www.crowave.com\/blog\/wp-content\/uploads\/2016\/10\/oscillograph_gesenius_keller_06.jpg\" rel=\"lightbox[1316]\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-1322\" src=\"http:\/\/www.crowave.com\/blog\/wp-content\/uploads\/2016\/10\/oscillograph_gesenius_keller_06-1024x592.jpg\" alt=\"oscillograph_gesenius_keller_06\" width=\"1024\" height=\"592\" srcset=\"http:\/\/crowave.com\/blog\/wp-content\/uploads\/2016\/10\/oscillograph_gesenius_keller_06-1024x592.jpg 1024w, http:\/\/crowave.com\/blog\/wp-content\/uploads\/2016\/10\/oscillograph_gesenius_keller_06-300x174.jpg 300w, http:\/\/crowave.com\/blog\/wp-content\/uploads\/2016\/10\/oscillograph_gesenius_keller_06-768x444.jpg 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/p>\n<p><a href=\"http:\/\/www.crowave.com\/blog\/wp-content\/uploads\/2016\/10\/oscillograph_gesenius_keller_05.jpg\" rel=\"lightbox[1316]\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-1321\" src=\"http:\/\/www.crowave.com\/blog\/wp-content\/uploads\/2016\/10\/oscillograph_gesenius_keller_05-894x1024.jpg\" alt=\"oscillograph_gesenius_keller_05\" width=\"894\" height=\"1024\" srcset=\"http:\/\/crowave.com\/blog\/wp-content\/uploads\/2016\/10\/oscillograph_gesenius_keller_05-894x1024.jpg 894w, http:\/\/crowave.com\/blog\/wp-content\/uploads\/2016\/10\/oscillograph_gesenius_keller_05-262x300.jpg 262w, http:\/\/crowave.com\/blog\/wp-content\/uploads\/2016\/10\/oscillograph_gesenius_keller_05-768x880.jpg 768w, http:\/\/crowave.com\/blog\/wp-content\/uploads\/2016\/10\/oscillograph_gesenius_keller_05.jpg 1493w\" sizes=\"auto, (max-width: 894px) 100vw, 894px\" \/><\/a><\/p>\n<p>Lijevu polovicu ove naprave \u010dini mehanizam vrtnje papira za zapis izmjerenih vrijednosti kojeg pogoni navinuta spiralna opruga (sli\u010dno kao kod mehani\u010dkih satova). Za ispravno mjerenje potrebno je osigurati to\u010dnu i stalnu brzinu povla\u010denja papira ispod igli. U tu svrhu mehanizam je opremljen sa centrifugalnim regulatorom brzine vrtnje koji se sastoji od tri utega montirana na elasti\u010dne opruge. Ovisno o brzini vrtnje utezi \u0107e vi\u0161e ili manje pritiskati okretni disk (princip je sli\u010dan kao kod npr. kva\u010dila motora) te na taj na\u010din trenjem po potrebi ko\u010diti ili otpu\u0161tati okretni disk u sklopu mehanizma pokretanja papira. Na samom lijevom rubu mehanizma uo\u010dava se i dio podmehanizma za ru\u010dno namje\u0161tanje \u017eeljene brzine koja \u0107e se dalje automatski regulirati, a sastoji se od opruge koja se po potrebi zate\u017ee vijkom i koja onda odre\u0111enom silom trenja tako\u0111er djeluje na okretni disk.<\/p>\n<p><a href=\"http:\/\/www.crowave.com\/blog\/wp-content\/uploads\/2016\/10\/oscillograph_gesenius_keller_02.jpg\" rel=\"lightbox[1316]\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-1318\" src=\"http:\/\/www.crowave.com\/blog\/wp-content\/uploads\/2016\/10\/oscillograph_gesenius_keller_02-1024x768.jpg\" alt=\"oscillograph_gesenius_keller_02\" width=\"1024\" height=\"768\" srcset=\"http:\/\/crowave.com\/blog\/wp-content\/uploads\/2016\/10\/oscillograph_gesenius_keller_02-1024x768.jpg 1024w, http:\/\/crowave.com\/blog\/wp-content\/uploads\/2016\/10\/oscillograph_gesenius_keller_02-300x225.jpg 300w, http:\/\/crowave.com\/blog\/wp-content\/uploads\/2016\/10\/oscillograph_gesenius_keller_02-768x576.jpg 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/p>\n<p>Klju\u010d za navijanje mehanizma oscilografa nalazi se u le\u017ei\u0161tu na desnoj strani. Iznad le\u017ei\u0161ta klju\u010da nalazi se le\u017ei\u0161te bo\u010dice sa tintom koja se kapa u posebni spremnik smje\u0161ten izravno na vrhu igle za ispis.<\/p>\n<p><a href=\"http:\/\/www.crowave.com\/blog\/wp-content\/uploads\/2016\/10\/oscillograph_gesenius_keller_04.jpg\" rel=\"lightbox[1316]\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-1320\" src=\"http:\/\/www.crowave.com\/blog\/wp-content\/uploads\/2016\/10\/oscillograph_gesenius_keller_04-768x1024.jpg\" alt=\"oscillograph_gesenius_keller_04\" width=\"768\" height=\"1024\" srcset=\"http:\/\/crowave.com\/blog\/wp-content\/uploads\/2016\/10\/oscillograph_gesenius_keller_04-768x1024.jpg 768w, http:\/\/crowave.com\/blog\/wp-content\/uploads\/2016\/10\/oscillograph_gesenius_keller_04-225x300.jpg 225w, http:\/\/crowave.com\/blog\/wp-content\/uploads\/2016\/10\/oscillograph_gesenius_keller_04.jpg 1728w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><\/a><\/p>\n<p>Na centralnom mjestu na desnoj strani naprave uo\u010dava se ru\u010dica ventila kojom se regulira protok tlakova na dva mehanizma koji pokre\u0107u igle oscilografa, ovisno o tome \u0161to se \u017eeli mjeriti. Ispod manometra je gumb ventila za smanjivanje tlaka, jednako kao i kod svakog dana\u0161njeg mehani\u010dkog tlakomjera.<\/p>\n<p><a href=\"http:\/\/www.crowave.com\/blog\/wp-content\/uploads\/2016\/10\/oscillograph_gesenius_keller_07.jpg\" rel=\"lightbox[1316]\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-1323\" src=\"http:\/\/www.crowave.com\/blog\/wp-content\/uploads\/2016\/10\/oscillograph_gesenius_keller_07-1024x768.jpg\" alt=\"oscillograph_gesenius_keller_07\" width=\"1024\" height=\"768\" srcset=\"http:\/\/crowave.com\/blog\/wp-content\/uploads\/2016\/10\/oscillograph_gesenius_keller_07-1024x768.jpg 1024w, http:\/\/crowave.com\/blog\/wp-content\/uploads\/2016\/10\/oscillograph_gesenius_keller_07-300x225.jpg 300w, http:\/\/crowave.com\/blog\/wp-content\/uploads\/2016\/10\/oscillograph_gesenius_keller_07-768x576.jpg 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/p>\n<p>Na bo\u010dnoj strani ure\u0111aja nalaze se \u010detiri priklju\u010dka za spajanje tla\u010dnih cijevi iz man\u017eeta. Gumb koji se uo\u010dava na jednoj priklju\u010dnici zapravo je \u010dep koji se po potrebi mo\u017ee premjestiti na priklju\u010dno mjesto 12 ili 14, ovisno o vrsti mjerenja: ako se za\u010depi ulaz 12 tada se ure\u0111aj koristi kao obi\u010dan mehani\u010dki tlakomjer sa man\u017eetom spojenom na ulaz 14, odnosno u tom slu\u010daju radi samo manometar i gumb ventila za sni\u017eavanje tlaka.<\/p>\n<p><a href=\"http:\/\/www.crowave.com\/blog\/wp-content\/uploads\/2016\/10\/oscillograph_gesenius_keller_01.jpg\" rel=\"lightbox[1316]\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-1317\" src=\"http:\/\/www.crowave.com\/blog\/wp-content\/uploads\/2016\/10\/oscillograph_gesenius_keller_01-768x1024.jpg\" alt=\"oscillograph_gesenius_keller_01\" width=\"768\" height=\"1024\" srcset=\"http:\/\/crowave.com\/blog\/wp-content\/uploads\/2016\/10\/oscillograph_gesenius_keller_01-768x1024.jpg 768w, http:\/\/crowave.com\/blog\/wp-content\/uploads\/2016\/10\/oscillograph_gesenius_keller_01-225x300.jpg 225w, http:\/\/crowave.com\/blog\/wp-content\/uploads\/2016\/10\/oscillograph_gesenius_keller_01.jpg 1728w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><\/a><\/p>\n<p>Samim pogledom u unutra\u0161njost ure\u0111aja uo\u010dava se razvod tla\u010dnih cijevi:<\/p>\n<ul>\n<li>dvije bo\u010dne priklju\u010dnice vode izravno svaka na svoj mehanizam zakretanja mjernih igli<\/li>\n<li>donja desna priklju\u010dnica vodi samo na manometar preko gumba za smanjivanje tlaka (14)<\/li>\n<li>donja lijeva priklju\u010dnica preko razdjeljnika vodi paralelno na oba mehanizma zakretanja mjernih igli (12)<\/li>\n<li>ru\u010dica ventila (POS. 1 i POS. 2) paraleno upravlja sa dva ventila, svaki na jednoj grani mehanizma zakretanja mjernih igli<\/li>\n<\/ul>\n<p><a href=\"http:\/\/www.crowave.com\/blog\/wp-content\/uploads\/2016\/10\/oscillograph_gesenius_keller_03.jpg\" rel=\"lightbox[1316]\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-1319 size-large\" src=\"http:\/\/www.crowave.com\/blog\/wp-content\/uploads\/2016\/10\/oscillograph_gesenius_keller_03-e1475600418795-768x1024.jpg\" alt=\"oscillograph_gesenius_keller_03\" width=\"768\" height=\"1024\" srcset=\"http:\/\/crowave.com\/blog\/wp-content\/uploads\/2016\/10\/oscillograph_gesenius_keller_03-e1475600418795-768x1024.jpg 768w, http:\/\/crowave.com\/blog\/wp-content\/uploads\/2016\/10\/oscillograph_gesenius_keller_03-e1475600418795-225x300.jpg 225w, http:\/\/crowave.com\/blog\/wp-content\/uploads\/2016\/10\/oscillograph_gesenius_keller_03-e1475600418795.jpg 1728w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><\/a>Oscilograf je isproban jednostavnim spajanjem gumenih cjev\u010dica na ulazne priklju\u010dnice te su se upuhivanjem zraka pratile promjene na ure\u0111aju. Utvr\u0111eno je da manometar kao i svi ventili rade, a tako\u0111er su u funkciji i mehanizmi zakretanja igli. Mehanizam povla\u010denja papira tako\u0111er radi glatko, tako da na kraju nama ne preostaje ni\u0161ta drugo nego samo re\u0107i bravo, bravo, bravo za jednu 65 godina staru pneumatsko mehani\u010dku napravu \ud83d\ude42<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Danas je nabavljen mehani\u010dki medicinski oscilograf, odnosno tlakomjer sa mogu\u0107nosti mehani\u010dkog bilje\u017eenja vrijednosti sr\u010danog tlaka. Oscilograf datira iz 1950-tih godina i ima oznaku: &#8220;Oscillograph zur doppelseitigen Pulsschreibung nach Prof. Gesenius &amp; Keller&#8221;. Nabavljen je samo osnovni ure\u0111aj bez igli za ispis vrijednosti, a cijeli komplet, osim uputa i potro\u0161nog materijala (papir za ispis vrijednosti, tinta [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[52],"tags":[],"class_list":{"0":"post-1316","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-mehanicke","7":"czr-hentry"},"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/www.crowave.com\/blog\/wp-json\/wp\/v2\/posts\/1316","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.crowave.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.crowave.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.crowave.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.crowave.com\/blog\/wp-json\/wp\/v2\/comments?post=1316"}],"version-history":[{"count":1,"href":"https:\/\/www.crowave.com\/blog\/wp-json\/wp\/v2\/posts\/1316\/revisions"}],"predecessor-version":[{"id":1324,"href":"https:\/\/www.crowave.com\/blog\/wp-json\/wp\/v2\/posts\/1316\/revisions\/1324"}],"wp:attachment":[{"href":"https:\/\/www.crowave.com\/blog\/wp-json\/wp\/v2\/media?parent=1316"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.crowave.com\/blog\/wp-json\/wp\/v2\/categories?post=1316"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.crowave.com\/blog\/wp-json\/wp\/v2\/tags?post=1316"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}