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Viking Björk
Viking Olov Björk (3 December 1918, in Sunnansjö, Dalarna – 18 February 2009) was a Swedish cardiac surgeon. Early life and education Björk wrote his dissertation in 1948, titled "Brain perfusion in dogs with artificially oxygenated blood". Björk–Shiley valve In 1968, he collaborated with American engineer Donald Shiley to develop the Björk–Shiley valve, a mechanical prosthetic heart valve. It was the first "tilting disc valve", used to replace the aortic or mitral valve. Many modifications followed, including the convexo-concave valve. The convexo-concave valve had defects in form of strut fractures. Therefore, the monostrut valve was introduced to prevent outflow strut fractures. The Bjork–Shiley valve was manufactured by Pfizer Pfizer Inc. ( ) is an American Multinational corporation, multinational Pharmaceutical industry, pharmaceutical and biotechnology corporation headquartered at The Spiral (New York City), The Spiral in Manhattan, New York Ci ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sunnansjö
Sunnansjö is a locality situated in Ludvika Municipality, Dalarna County, Sweden. It had 560 inhabitants in 2010. Notable residents * Viking Björk Viking Olov Björk (3 December 1918, in Sunnansjö, Dalarna – 18 February 2009) was a Swedish cardiac surgeon. Early life and education Björk wrote his dissertation in 1948, titled "Brain perfusion in dogs with artificially oxygenated b ... (1918-2008), cardiac surgeon References Populated places in Ludvika Municipality {{Dalarna-geo-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dalarna
Dalarna (; ), also referred to by the English exonyms Dalecarlia and the Dales, is a (historical province) in central Sweden. Dalarna adjoins Härjedalen, Hälsingland, Gästrikland, Västmanland and Värmland. It is also bordered by Norway in the west. The province's borders mostly coincide with the modern administrative Dalarna County (). The area is a holiday destination for Swedes from the south, who often travel there in the summer, drawn by its fishing lakes, campgrounds, and forests. Some Swedes own or rent a second home in Dalarna, where vegetable gardens and apple trees are commonplace. In mid-June, midsummer celebrations and dances are held in many of the small villages and in the larger cities. Dalarna is a region full of historical associations, and both its products and its people have strong local characteristics. In the western district Lima, some people in villages speak a traditional dialect, Dalecarlian, while in Älvdalen, they speak Elfdalian, a di ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sweden
Sweden, formally the Kingdom of Sweden, is a Nordic countries, Nordic country located on the Scandinavian Peninsula in Northern Europe. It borders Norway to the west and north, and Finland to the east. At , Sweden is the largest Nordic country by both area and population, and is the List of European countries by area, fifth-largest country in Europe. Its capital and largest city is Stockholm. Sweden has a population of 10.6 million, and a low population density of ; 88% of Swedes reside in urban areas. They are mostly in the central and southern half of the country. Sweden's urban areas together cover 1.5% of its land area. Sweden has a diverse Climate of Sweden, climate owing to the length of the country, which ranges from 55th parallel north, 55°N to 69th parallel north, 69°N. Sweden has been inhabited since Prehistoric Sweden, prehistoric times around 12,000 BC. The inhabitants emerged as the Geats () and Swedes (tribe), Swedes (), who formed part of the sea-faring peopl ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Donald Shiley
Donald Pearce Shiley (January 19, 1920 – July 31, 2010) was the inventor of the Bjork–Shiley valve, a prosthetic heart valve. He was a 1951 alumnus of the University of Portland, where he studied engineering. Early life He was born in Yakima, Washington, on January 19, 1920. His family was homesteaders, and followed the fruit harvest; he joined his brothers at harvest time through the years of the Great Depression, but quickly learned that his interest and skill were in “fixing things” on the farm. He said that “I liked machines. I liked the way they are ideas that get built.“ Shiley attended Oregon State University, the Land-grant university in Oregon, on a scholarship, but left to join the Navy for service in World War II. After the war, he enrolled at the University of Portland, a private Roman Catholic institution, using the G.I. Bill benefits to study engineering and chemistry. In 1951, he graduated first in his class. Career Shiley began working at Edwards ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Heart Valve
A heart valve is a biological one-way valve that allows blood to flow in one direction through the chambers of the heart. A mammalian heart usually has four valves. Together, the valves determine the direction of blood flow through the heart. Heart valves are opened or closed by a difference in blood pressure on each side. The mammalian heart has two atrioventricular valves separating the upper atria from the lower ventricles: the mitral valve in the left heart, and the tricuspid valve in the right heart. The two semilunar valves are at the entrance of the arteries leaving the heart. These are the aortic valve at the aorta, and the pulmonary valve at the pulmonary artery. The heart also has a coronary sinus valve and an inferior vena cava valve, not discussed here. Structure The heart valves and the chambers are lined with endocardium. Heart valves separate the atria from the ventricles, or the ventricles from a blood vessel. Heart valves are situated around the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Aortic Valve
The aortic valve is a valve in the heart of humans and most other animals, located between the left ventricle and the aorta. It is one of the four valves of the heart and one of the two semilunar valves, the other being the pulmonary valve. The aortic valve normally has three cusps or leaflets, although in 1–2% of the population it is found to congenitally have two leaflets. The aortic valve is the last structure in the heart the blood travels through before stopping the flow through the systemic circulation. Structure The aortic valve normally has three cusps however there is some discrepancy in their naming. They may be called the left coronary, right coronary and non-coronary cusp. Some sources also advocate they be named as a left, right and posterior cusp. Anatomists have traditionally named them the left posterior (origin of left coronary), anterior (origin of the right coronary) and right posterior. The three cusps, when the valve is closed, contain a sinus called ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mitral Valve
The mitral valve ( ), also known as the bicuspid valve or left atrioventricular valve, is one of the four heart valves. It has two Cusps of heart valves, cusps or flaps and lies between the atrium (heart), left atrium and the ventricle (heart), left ventricle of the heart. The heart valves are all one-way valves allowing blood flow in just one direction. The mitral valve and the tricuspid valve are known as the Heart valve#Atrioventricular valves, atrioventricular valves because they lie between the atria and the ventricles. In normal conditions, blood flows through an open mitral valve during diastole with contraction of the left atrium, and the mitral valve closes during systole with contraction of the left ventricle. The valve opens and closes because of pressure differences, opening when there is greater pressure in the left atrium than ventricle and closing when there is greater pressure in the left ventricle than atrium. In abnormal conditions, blood may flow backward thro ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pfizer
Pfizer Inc. ( ) is an American Multinational corporation, multinational Pharmaceutical industry, pharmaceutical and biotechnology corporation headquartered at The Spiral (New York City), The Spiral in Manhattan, New York City. Founded in 1849 in New York by German entrepreneurs Charles Pfizer (1824–1906) and Charles F. Erhart (1821–1891), Pfizer is one of the oldest pharmaceutical companies in North America. Pfizer develops and produces medicines and vaccines for immunology, oncology, cardiology, endocrinology, and neurology. The company's largest products by sales are the Pfizer–BioNTech COVID-19 vaccine ($11 billion in 2023 revenues), apixaban ($6 billion in 2023 revenues), a pneumococcal conjugate vaccine ($6 billion in 2023 revenues), palbociclib ($4 billion in 2023 revenues), and tafamidis ($3 billion in 2023 revenues). In 2023, 46% of the company's revenues came from the United States, 6% came from Japan, and 48% came from other countries. Pfizer has been a publi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Svenska Dagbladet
(, "The Swedish Daily News"), abbreviated SvD, is a daily List of Swedish newspapers, newspaper published in Stockholm, Sweden. History and profile The first issue of appeared on 18 December 1884. During the beginning of the 1900s the paper was one of the right-wing publications in Stockholm. Ivar Anderson is among its former editors-in-chief who assumed the post in 1940. The same year was sold by Trygger family to the Enterprise Fund which had been established by fourteen Swedish businessmen to secure the ownership of the paper. The paper is published in Stockholm and provides coverage of national and international news as well as local coverage of the Greater Stockholm region. Its Subscription business model, subscribers are concentrated in the capital, but it is distributed in most of Sweden. The paper was one of the critics of the Prime Minister Olof Palme, and in December 1984 it asked him to resign from the office following his interview published in ''Hufvudstadsbl ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
1918 Births
The ceasefire that effectively ended the First World War took place on the eleventh hour of the eleventh day of the eleventh month of this year. Also in this year, the Spanish flu pandemic killed 50–100 million people worldwide. In Russia, this year runs with only 352 days. As the result of Julian to Gregorian calendar switch, 13 days needed to be skipped. Wednesday, January 31 ''(Julian Calendar)'' was immediately followed by Thursday, February 14 ''(Gregorian Calendar)''. Events World War I will be abbreviated as "WWI" January * January – 1918 flu pandemic: The "Spanish flu" ( influenza) is first observed in Haskell County, Kansas. * January 4 – The Finnish Declaration of Independence is recognized by Soviet Russia, Sweden, Germany and France. * January 8 – American president Woodrow Wilson presents the Fourteen Points as a basis for peace negotiations to end the war. * January 9 – Battle of Bear Valley: U.S. troops engage Yaqui Native Ameri ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
2009 Deaths
This is a list of lists of deaths of notable people, organized by year. New deaths articles are added to their respective month (e.g., Deaths in ) and then linked below. 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 1986 Earlier years ''Deaths in years earlier than this can usually be found in the main articles of the years.'' See also * Lists of deaths by day * Deaths by year (category) {{DEFAULTSORT:deaths by year ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
