Hemostatic stent for cardiac aorta surgery
A technology for large blood vessels and surgery, which is applied in the field of hemostatic stents for cardiac major blood vessel surgery, can solve the problems of increasing hemostasis efficiency, reducing hemostatic stent pipelines, affecting the blood supply and oxygen supply of tissues and organs, and achieving the effect of convenient operation.
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[0042] As an embodiment of the present invention, refer to Figure 5-6 , the pressure limiting mechanism 52 includes a movable plate one 32, and the movable plate one 32 is movably installed in the bottom wall of the installation groove, a spring three 33 is arranged between the movable plate one 32 and the bottom wall of the installation groove, and the movable plate one 32 is close to the spring three One end of 33 is movablely installed with terminal two 31, and one side of terminal two 31 far away from movable plate one 32 is provided with terminal two 30 matched with terminal two 31, and one end near physiological saline storage barrel 12 in conduit 29 is provided with The electromagnetic valve 27 is provided with a one-way valve 28 at the center of the electromagnetic valve 27, and the electromagnetic valve 27 is electrically connected with the terminal 2 30.
[0043] When the pressure in the sealing ring one 5 reaches a predetermined value, the movable plate one 32 can ...
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