Transfusion set is a common medical consumable, which is aseptically processed to establish a channel between the vein and the liquid medicine for intravenous transfusion. Generally, it is composed of eight parts connected by intravenous needle or injection needle, needle protective cap, transfusion hose, liquid medicine filter, flow rate regulator, drip pot, cork puncture device, and air filter, and some transfusion sets also have injection parts , dosing port, etc.
1. The material of the transfusion set
(1) PVC transfusion set
Its main material is PVC and the plasticizer dioctyl phthalate (DEHP). DEHP can accumulate in tissues, blood and body fluids and cause liver toxicity, reproductive toxicity, etc. As an endogenous interference factor, DEHP also has carcinogens. PVC transfusion set has the advantages of high strength, softness, transparency, low price, etc. It has the longest use time and the widest range.
(2) TPE transfusion set
As a new substitute for PVC material, the main components of TPE transfusion set are ultra-low density polyethylene polyolefin and thermoplastic elastomer. At present, only a very small number of domestic manufacturers produce. TPE transfusion set has the advantages of saturated double bonds, no polar groups and ester plasticizers, safe and non-toxic to the human body, no adsorption to drugs, and guarantees the efficacy of drugs.
(3) PE transfusion set
An transfusion set with a double-layer filter medium structure, which has strong dirt holding capacity, high filtration precision, and low drug adsorption rate, which can effectively prevent the damage of particles to the human body, reduce the stimulation of blood vessels by drug products, and improve the purity of the infused liquid. , thereby reducing the pain at the puncture site, extravasation, vascular spasm caused by stimulation of the vascular wall, and avoid interruption of the transfusion. Since only a small number of domestic manufacturers produce it, there are few clinical applications.
(4) PP transfusion set
transfusion sets made of this type of material are rare in clinical applications. They are mainly used for the production of transfusion bottles, transfusion bags and syringes. They are relatively safe materials, but they also have a certain adsorption effect on certain drugs.
2. Working principle
Under the action of atmospheric pressure, the liquid in the bottle flows into the drip bucket along the thinner transfusion hose. When the water column pressure of the drip bucket is greater than the venous pressure, the liquid in the bottle flows into the vein along the hose.
3. Specifications
The specifications of the transfusion set include ordinary transfusion set, barrel type transfusion set, bag type transfusion set, burette type transfusion set, light-proof transfusion set, precision filter transfusion set, air purification transfusion set, etc. The transfusion set is mainly related to disposable intravenous transfusion needles. It is used as a set for clinical gravity transfusion.
4. Precautions
(1) The product can only be used for gravity transfusion.
(2) Product failure or damaged packaging is strictly prohibited.
(3) One-time use, use immediately after unpacking, and destroy after use.
(4) 20 drops of distilled water is equivalent to 1ml±0.1ml.
(5) The suitable temperature is: 10～40℃.
(6) The storage and transportation of this product should pay attention to moisture-proof, heat-proof, sun-proof, pressure-proof, etc.
5. How to operate
Before use, medical staff check the disinfection validity period of the disposable transfusion set and whether there is air leakage or other abnormalities in the packaging, take out the transfusion set, and insert the bottle insertion needle part into the transfusion bottle (if it is an transfusion bag, unless the air inlet tube and the bottle insertion needle are integrated. transfusion set, otherwise it is not necessary to open the air inlet device, that is, insert the air inlet needle or open the air inlet hole), hang the transfusion bottle on the transfusion rod, exhaust the air until the liquid flows to the lower end of the transfusion tube, close the regulator, and then insert the intravenous needle Puncture the sterilized vein, and after fixing it, untie the tourniquet and adjust the flow rate.
CMC Tech Co.,Ltd. is comitted to providing customers with a complete set of medical consumable parts supply system and complete pharmaceutical packing solutions.If you are willing to learn about some transfusion set, please contact us in time.
Comments (0)