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23-10-2017, 11:31 PM

I want source code for blood donor database

jaseela123d · 24-10-2017, 04:15 PM

A blood donation occurs when a person voluntarily draws blood and uses it for transfusion and / or turns it into bio-pharmaceutical drugs through a process called fractionation (separation of whole blood components). The donation can be whole blood (WB), or specific components directly (the latter is called apheresis). Blood banks often participate in the collection process, as well as in the procedures that follow it.

At present in the developed world, most blood donors are unpaid volunteers who donate blood for a community supply. In poorer countries, established supplies are limited and donors usually donate blood when family or friends need a transfusion (direct donation). Many donors donate as a charity, but in countries that allow paid donations, some donors are paid, and in some cases there are non-money incentives such as paid time off from work. Donors can also draw blood for their own future use (autologous donation). Donating is relatively safe, but some donors have bruises where the needle is inserted or they may feel dizzy.

Potential donors are evaluated for anything that may make their blood not safe to use. The test includes tests for diseases that can be transmitted through a blood transfusion, including HIV and viral hepatitis. The donor should also answer questions about your medical history and perform a brief physical examination to make sure the donation is not hazardous to your health. The frequency with which a donor can donate varies from days to months depending on the donor component and the laws of the country where the donation is made. For example, in the United States, donors should wait eight weeks (56 days) for donations of whole blood, but only seven days between donations of platelets and twice for seven days in plasmapheresis.

The amount of blood drawn and methods vary. The collection can be done manually or with an automated equipment that only takes specific components of the blood. Most blood components used for transfusion have a short shelf life, and maintaining a constant supply is a persistent problem. This has led to a greater interest in auto-transfusion, whereby the patient's blood recovers during surgery for continuous reinfusion, or alternatively, "self-donates" before it is needed.

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