A double j tube structure
A tube structure and tube body technology, applied in catheters, drug devices, other medical devices, etc., can solve problems such as renal dysfunction, ureteral obstruction, ipsilateral hydronephrosis, etc., and achieve the effect of expanding functions
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[0020] As an improved specific implementation, the flow rate detector 221 includes a ring-shaped pressure-sensitive crystal 2211 and a transmission crystal 2212, the transmission crystal 2212 is coaxially fixed on the inner wall of the tube body 21, and the pressure-sensitive crystal 2212 The crystal 2211 is fixed on the side of the transmission crystal 2212 facing away from the inner wall of the tube body 21 and is coaxial with the transmission crystal (2212). On the inner ring side of the transmission crystal 2212, the pressure-sensing crystal 2211 is coupled with the transmission crystal 2212 to sense the pressure and output the pressure signal to the transmission crystal 2212, and the transmission crystal 2212 is connected to the wireless transmission board 223 to transmit The pressure signal is sent to the external terminal, and then the flow rate value is calculated through the external terminal analysis. Since the urine is in the process of circulation, if an obstacle is...
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