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Contrast Catheter Dynamic Injection Flow and Pressure Tester-Technical Literature In clinical applications, catheter products are often used to quickly and stably enter liquids such as contrast agents and high-concentration drugs into patients under high pressure conditions, in order to achieve clinical purposes such as imaging and treatment.
.
Common power injection catheters include angiography catheters, microcatheters, support catheters, central venous catheters, implantable drug delivery devices and some intravascular catheters such as trocar peripheral catheters
.
The detection principle connects the catheter to the actual or simulated connecting line through the catheter hub or its adjacent end.
The connecting line is then connected to a constant pressure device filled with injection fluid or simulated injection fluid
.
The pressure of the pressure source is set to the syringe pressure limit recommended by the product, and the system flow should be measured by a mass balance or other suitable method
.
The peak pressure at the catheter population should also be recorded by an on-line pressure sensor
.
The test report shall include the following contents: a) identification of the test catheter; b) description of the injection fluid, dynamic viscosity (mPa s) and density (kg/m') of the injection fluid; c) temperature of the test fluid (°C); d pressure Source pressure (Pa); e) connecting pipe length and inner diameter (mm); f steady-state flow achieved in the system (mL/s) 3g) pressure at the conduit inlet (Pa), technical parameters 1, test pressure: 0 -10MPa adjustable error is not more than ±2%2, test flow: 0 ~ 500ml error is not more than ±2%3, water temperature: 37 degrees Celsius, the error is not more than ±1 degrees Celsius 4, data storage: 500 groups 5, the weight of the whole machine: About 50kg Contrast Catheter Dynamic Injection Flow and Pressure Tester-Technical Literature
.
Common power injection catheters include angiography catheters, microcatheters, support catheters, central venous catheters, implantable drug delivery devices and some intravascular catheters such as trocar peripheral catheters
.
The detection principle connects the catheter to the actual or simulated connecting line through the catheter hub or its adjacent end.
The connecting line is then connected to a constant pressure device filled with injection fluid or simulated injection fluid
.
The pressure of the pressure source is set to the syringe pressure limit recommended by the product, and the system flow should be measured by a mass balance or other suitable method
.
The peak pressure at the catheter population should also be recorded by an on-line pressure sensor
.
The test report shall include the following contents: a) identification of the test catheter; b) description of the injection fluid, dynamic viscosity (mPa s) and density (kg/m') of the injection fluid; c) temperature of the test fluid (°C); d pressure Source pressure (Pa); e) connecting pipe length and inner diameter (mm); f steady-state flow achieved in the system (mL/s) 3g) pressure at the conduit inlet (Pa), technical parameters 1, test pressure: 0 -10MPa adjustable error is not more than ±2%2, test flow: 0 ~ 500ml error is not more than ±2%3, water temperature: 37 degrees Celsius, the error is not more than ±1 degrees Celsius 4, data storage: 500 groups 5, the weight of the whole machine: About 50kg Contrast Catheter Dynamic Injection Flow and Pressure Tester-Technical Literature
