Nanjing Runze Fluid Control Equipment Co., LTD.
Nanjing Runze Fluid Control Equipment Co., LTD.
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The Main Role of Precision Syringe Pumps and the Basic Principles They Follow

Ⅰ. Understanding Syringe Pumps


The syringe pump is composed of a stepper motor and the driver, the screw, the holder, etc. It has a reciprocating moving screw and nut, and the syringe pump is therefore also called a screw pump. The principle is to push the syringe through the mechanical device to achieve high-precision, smooth and artery-free liquid transfer.


The whole process is high-speed movement, working smoothly without pulsation delivery characteristics; 10000 times the wide range of operating speed greatly increases the flexibility of user use; delivery of different characteristics of the fluid only need to replace the syringe, as well as when greater than or equal to 30% of the full stroke, the error can be controlled at ≤ ± 0.5% , which is of high precision. Syringe pumps are widely used not only in medical treatment, but also in laboratories and industry.


Ⅱ. Know the Precision Syringe Pump


The precision syringe pump consists of a precision motor, drive unit, screw rod, push block and fixed bracket, etc., which can reciprocate. The push block is connected to the push rod of the syringe and pushes or pulls out the piston, thus achieving high precision, smooth and pulsation-free liquid transfer.


Precision syringe pump, also called microinfusion pump, is a fixed volume type of infusion pump, which is a supplement to volumetric infusion pump in microdosing and has higher accuracy compared to general volumetric infusion pump in small-dose administration. The precision syringe pump is a reciprocating pump made according to the piston principle, which can pump the drug into the vein at a uniform speed per unit time and can strictly control the infusion speed and maintain the effective concentration of the drug in the blood.


It has the advantages of easy operation, precise drug delivery, constant speed and continuous pumping, etc. It has been used for antibiotics, nutritional fluids, hemostatic drugs, respiratory excitatory drugs, neurotrophic drugs, acid drugs, sedative and analgesic drugs, inotropic drugs, chemotherapeutic drugs, insulin and vasoactive drugs (antihypertensive, hypotensive, cardiotonic and antiarrhythmic), etc. It is widely used in cardiovascular medicine patients, critically ill patients, patients who need precise drug administration, pediatric and special drug infusion. 


Ⅲ. Basic principles of precision syringe pumps


The clinical use of the precision syringe pump follows the following basic principles: 1)  The patient-centered principle. In the process of medical care, we should adhere to the patient-centered principle, always putting the patient's safety in an important position. 2) The principle of drug accuracy. In the process of clinical use of medical syringe pumps / infusion pumps, we should accurately set the drug dose and the speed of drug injection into the body to ensure the safety of the use process. 3) The principle of regular maintenance of the instrument. 


To ensure accurate and precise medication, medical syringe pumps / infusion pumps should be managed by manually, and need regular calibration maintenance.

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