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Jan 1, 1200
First blood flow
Ibn al-Nafis first describes the blood flow that goes to and between the lungs. He calles it pulmonary circulation. -
Feb 18, 1553
BLood flow theory #2
Michael servetus states that blood flows from one side of the heart though the other by passing the lungs instead of al-Nafis' findings. For this he is burned at the stake. -
Capillaries
Marcello Malpighi uses a rudimentary microscope to observe the capillary system. The capillary system is a network of vessels that connect the viens and the arteries. -
first blood transfusion
Richard Lower performs the first blood transfusion in animals. Lower does this by connecting the jugular vien of a dog thats bled out to the neck artery of a second dog -
Human blood transfusion
French physician Jean-Baptise Denise conducted the first human transfusion with a teenage boy who suffered from persistent fevers. He attaches a lambs carotid artery with the boys forarm.The boy suffered no negative consequences. -
banning of the blood transfusions involving humans
Dr. Denis sues Antoine Mauroy's widow in 1668 for ultimately ruining his reputation. This carries to the French Parliament's and eventually they ban all transfusions involving humans. Many countries follow their footsteps. -
Red blood cell size
Anton Van Leeu. Made a discovery on how small red blood cells actually are. He states, " 25000 smaller than a grain of rice." -
Human to human blood transfusion
Philip Syng Physick was footnoted for the first human to human blood transfusion. Physicks work was never published. -
First recorded human to human blood transfusion.
James blundell uses a syringe to inject a patient with 12-14 ounces of many doners blood. The patient dies shortly after -
platelets
Sir williams Osler noticed that their was small cell fragment in the bone narrow. With this he discovered the platelets. -
Blood A,B, and C
karl Landsteiner wrote a paper of the three main blood types that humans can have. When he gots his results he found that their is two different antibodies that cause aggulation. -
Fourth blood type
Dr. Landsteiner, Alfred von Decastello and Adriano Sturli all come together to discover the fourth blood type AB. AB causes aggulation in both "A" and "B" . -
Sodium Citrate
Albert Hustin of Brussels and Luis Agote of Buenos Aires both discover that adding sodium citrate to blood will keep it from clotting. In April they publish their findings. -
Discovery of blood concervation
Francis Peyton Rous and J.R. Turner discover that cirtate-glucose solution that an concerve blood for up to a few weeks. THis means that their can be blood transfers for people. -
U.S. army and blood
Dr. Oswald Robertson collects and stores O blood and takes it into battle so they can uses it. This leads to the discovery of the first blood depot. -
First blood donor sevice
Percey Lane Oliver makes a blood donor service which requires certain people to be on call 24/7 in cace a hospital needs blood at any given time. These people undergo disease test to make sure the blood is okay for donation. -
Cadaver
Dr. Serge Yudin was the first person to test the efficianty of tranfurring humans with cadaver blood. He was successful with is first patient who was a young man who tried to commit suicide with a cadaver of an old man. This made the soviets the first to establish a hospital with its own place to store blood transfusions for laer use. -
Barcelona Blood Transfusion Service.
Federico Duran-Jorda establishes the Barcelona Blood Transfusion service. This service collects blood and stores it in bottles under refrigeration. Barcelona Blood Transfusion service also transported it to different hospitals during the Spanish Civil War. -
civilian blood donor service
The American Cross organizes a civilian blood donor service to collect blood plasma to send and help in the war. At the end of the war they collect over 13 million units of blood. Dr. Isidor Ravdin treats patients at Pearl Habor with the blood donated. -
invention of blood bags
Dr. Carl W. Walter comes up with the idea of making a plastic bag for the collection of blood. Before the invention of the plastic bag, glass bottles were used to collect blood. -
Hemoglobin
Dr. Max Perutz uses a X-ray crystallography to discover the structure of a hemoglobin. A hemoglobin is the proteins within the red blood cells that carry oxygen. -
AIDS
Scientist first discovered a syndrome called GRIDS which stands for Gay-related Immunodeficiency Disease because most of the peole with the syndrome had been reported gay. Then with time they called it AIDS which stands for Acquired Immune Deficiency Syndrome -
virus causing AIDS
Dr. Robert Gallo anounces at press conference that he discovered the virus that is in AIDS. This virus is called HTLV III which stands for human T-cell lymphotropic virus. -
AIDS from blood transfusions
After many people who had blood transfusions ened up having AIDS, they conducted the first screening test to detect the presence or absence of HIV antibodies which they called the ELISA test. This test is lated adopted by many blood banks across the world. -
screening for infectious dieases
after the develpoment of AIDS, doctors conducted a tests to screen donated blood for infectious diseases. Some of the test include the anti-HTLV-I test, the hepatitis C test, the HIV-1, the HIV-2 antibodies test and the HIV p24 antigen test.
