Device for preventing blood from flowing back
The utility model discloses a device for preventing blood from flowing back, which comprises a three-way valve body, the valve body comprises a valve seat, a valve core is connected in the valve seat, a wrench is arranged on the valve core, and an injection interface, an injection interface and a pr...
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Main Author | |
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Format | Patent |
Language | Chinese English |
Published |
30.11.2021
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Subjects | |
Online Access | Get full text |
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