BLOODLETTING SYRINGE, BLOODLETTING SYRINGE SYSTEM AND BLOODLETTING METHODS
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United States of America
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Issued Date -
Mar 3, 2022
app pub date -
Aug 31, 2020
filing date -
Aug 31, 2020
priority date (Note) -
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Abstract
A bloodletting syringe, including: a hollow needle that can be placed under skins, a barrel connected to the hollow needle, and a pump outlet being connected to the barrel, wherein the pump outlet is a one-way port. When pumping, the pump outlet is opened, air is pumped out of the barrel and hollow needle, when the pumping is stopped, the pump outlet is automatically closed; air pressure in the barrel becomes lower than the pressure outside of the barrel. The bloodletting syringe, bloodletting syringe systems and bloodletting methods of the present invention can be used to remove blood stasis in muscles and tissues safely and with great control by medical staff.
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