Anti-thrombotic intravenous indwelling needle and anti-thrombotic method thereof

Abstract

The invention discloses an anti-thrombotic intravenous indwelling needle and an anti-thrombotic method thereof, and relates to the technical field of medical equipment. According to the key points ofthe technical scheme, the anti-thrombotic intravenous indwelling needle comprises a needle seat, an indwelling hose in sealed connection with the top end of the needle seat, a puncture needle, a firstliquid inlet port, a second liquid inlet port, a first liquid guiding tube, a second liquid guiding tube, an infusion tube, an indwelling needle warming device, a connection fixing belt and a warmingbandage; an inner cavity of the needle seat is provided with a first rubber sealing plug and a second rubber sealing plug which partition the inner cavity of the needle seat into an infusion cavity,a positive pressure cavity and a bottom sealing cavity; and the positive pressure cavity is internally provided with a liquid storing cavity. The intravenous indwelling needle can be locally warmed during intravenous infusion, thus an intravenous indwelling needle tube and limbs of a patient are locally warmed, thus blood circulation and the tissue metabolism function can be improved, cohesion ofproteins and blood coagulation factors in blood vessels of the patient is affected, thus blood coagulation starting of blood platelets is weakened, thrombus forming is prevented, after intravenous infusion is completed, blood can be prevented from flowing back into the intravenous indwelling needle, and the blood is prevented from flowing back.

Description

technical field [0001] The invention relates to the technical field of medical equipment, in particular to an antithrombotic venous indwelling needle and an antithrombotic method thereof. Background technique [0002] Venous indwelling needles are also called trocars. As a substitute for scalp needles, venous indwelling needles have the advantages of simple operation, soft cannula, long indwelling time in the vein, and not easy to puncture blood vessels, which relieves the pain of repeated punctures for patients. , It reduces the workload of nursing staff and is very popular among nurses and patients in clinical practice. However, the existing ordinary indwelling needle must be sealed when the infusion is suspended, and the tube must be flushed every 6-8 hours, otherwise it is easy to form a thrombus, causing blockage and vasculitis; There is a hidden danger of flushing the formed thrombus into the blood vessel, which not only easily brings side effects to the human body, b...

AI Technical Summary

Problems solved by technology

However, the existing ordinary indwelling needle must be sealed when the infusion is suspended, and the tube must be flushed every 6-8 hours, otherwise it is easy to form a thrombus, causing blockage and vasculitis; There is a hidden danger of flushing the formed thrombus into the blood vessel, which not only easily brings side effects to the human body, but also increases the economic burden of the patient and the workload of the medical staff.

[0003] In recent years, the anti-thrombotic indwelling needles in the prior art have many patented products of "positive pressure joint" and "anti-reflux", but they still cannot prevent the formation of thrombus. The infusion channel must be flushed with normal saline, sealed with heparin sodium after the end, and the tube needs to be drained every 6 to 8 hours, so the workload is very heavy. In addition, when using the traditional indwelling needle, the nursing care of the drain During the procedure, a large number of thrombi will be rushed into the blood vessels of the human body, causing very serious potential hidden dangers, and also acute vascular diseases, such as redness, swelling and pain at the injection site of the patient, which has brought harm to the patient, and there is a medical The defect of low quality; in addition, the above-mentioned nursing procedures need to pay for the expenses of flushing fluid, sealing fluid and labor costs of nursing. These expenses greatly exceed the price of the indwelling needle itself, so the medical cost is relatively high

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