Micro-fluidic chip of multi-fetal placenta vascular anastomosis model, system and use method
A microfluidic chip and simulation system technology, applied in the field of microfluidics, can solve problems such as application limitation of single-fetus maternal-fetal barrier and other problems
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Embodiment 1
[0054] This embodiment discloses a microfluidic chip of a multi-fetal placental vascular anastomosis model, such as figure 1 As shown, the chip body 1 is included, the chip body 1 is provided with a maternal fluid channel 103 and two or more fetal fluid channels 104, a porous membrane 2 is arranged between the maternal fluid channel 103 and the fetal fluid channel 104, and the fetal fluid channel There are connecting channels between the channels 104 that can be connected or disconnected.
[0055] In this embodiment, when there are two fetal fluid channels 104, it is used to simulate the twin placental vascular anastomosis model, when there are three fetal fluid channels 104, it is used to simulate the placental vascular anastomosis model of triplets, and so on to simulate multiple Fetoplacental vascular anastomosis model.
[0056] In this embodiment, the porous membrane 2 is preferably but not limited to porous polycarbonate membrane, polyester membrane, polytetrachlorethyle...
Embodiment 2
[0068] This embodiment provides a microfluidic chip of a multi-fetal placental vascular anastomosis model, such as Image 6 and Figure 7 As shown, the microfluidic chip includes a chip body 1, and the chip body 1 is provided with a maternal fluid channel 103 and two or more fetal fluid channels 104, and a porous membrane is arranged between the maternal fluid channel 103 and the fetal fluid channel 104. 2. A connection channel that can be connected or disconnected is provided between the fetal fluid channels 104 . The connecting channels include a first connecting channel 105 that enables two-way or multi-directional communication between the fetal fluid channels 104 , and a second connecting channel 106 that is connected to the fetal fluid channel 104 and allows only one-way flow of fluid.
[0069] The difference between this embodiment and Embodiment 1 is: First, this embodiment arranges all or part of the fluid channel 104 and the matrix fluid channel 103 on the same side...
Embodiment 3
[0079] Embodiment 3 This embodiment discloses a multiple-fetal placental vascular anastomosis simulation system, including the microfluidic chip provided in Embodiment 1 or Embodiment 2 and at least 3 fluid pumps, using multiple fluid pumps to provide fetal fluid channels 104 and The parent fluid channel 103 pumps fluid.
[0080] In this embodiment, preferably, fluid is pumped into the input connection port of the second connection channel 106 through a separately provided fluid pump. The fluid pump is not the fluid pump of the fetal fluid channel 104 and the maternal fluid channel 103, but is a separate fluid pump.
[0081] In this embodiment, the fluid pumps are respectively connected to the input connection ports of the fetal fluid channel 104 , the maternal fluid channel 103 , and the second connection channel 106 to pump fluid into the channels. The fluid pump is preferably but not limited to a two-way continuous syringe pump model WH-BCSP-22. The output port of the pump...
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