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Medical catheter structure for bridging in vitro and application of medical catheter structure

A technology for medical catheters and catheters, applied in catheters, blood circulation treatment, suction devices, etc., to achieve the effect of scientific design, significant technical effects, and good safety.

Pending Publication Date: 2020-10-20
吴向阳
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  • Claims
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AI Technical Summary

Problems solved by technology

[0012] In view of the above defects, the present invention provides an in vitro bridging medical catheter structure, which solves the problem of maintaining blood circulation for the distal ischemic tissue, maintaining the muscle tissue under the thrombus from necrosis, and allowing the blood flow to be monitored and controlled. Can effectively prevent the high incidence of serious complications after thrombectomy

Method used

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  • Medical catheter structure for bridging in vitro and application of medical catheter structure
  • Medical catheter structure for bridging in vitro and application of medical catheter structure
  • Medical catheter structure for bridging in vitro and application of medical catheter structure

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Embodiment 1

[0040] Embodiment 1: A kind of in vitro bridging medical catheter and its application method

[0041] A 75-year-old patient was admitted to the hospital due to cold and pale right lower limbs for 20 hours. Examination showed that the skin below the thighs of the lower limbs was pale and cold, and blood vessels collapsed. Ultrasound showed thrombosis at the end of the femoral artery and external iliac artery, occlusion of the lumen, and minimal blood flow at the distal end. The venous system of the lower extremities was unremarkable. He had a history of cerebral hemorrhage, chronic obstructive pulmonary disease, hypertension, and diabetes. In terms of treatment, if thrombolysis is selected, the risk of vital organ hemorrhage, especially cerebral hemorrhage, is extremely high. If it occurs, it will cause disability or long-term bed rest, and eventually die of lung infection; if femoral artery thrombectomy is performed, postoperative bone loss may occur Compartment syndrome, massi...

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Abstract

The invention belongs to the field of medical equipment and relates to a medical catheter structure for bridging in vitro and application of the medical catheter structure. The medical catheter structure for bridging in vitro mainly comprises a soft thick cannula, a blood flow control device, two connecting ports, a blood flow detection meter and a pipeline. By means of in-vitro bridging, the problem about restoration of blood circulation for tissue with distal acute ischemia is solved, blood flow volume in a bridging catheter can be monitored and controlled, the most appropriate blood flow volume of the distal tissue of an embolized blood vessel is maintained, and the purposes of preventing necrosis of locally ischemic tissue and controllably releasing systemic inflammation factors and necrotic tissue are achieved. Meanwhile, with step-by-step compensation of collateral vessels around the embolized blood vessel, the blood flow volume in the bridging catheter can be adjusted to be lower step by step until the bridging catheter is removed. With application of the medical catheter structure for treatment, endovascular thrombectomy is not needed, the using method is simple, and the medical catheter structure can be widely applied to the medical field.

Description

technical field [0001] The invention belongs to the field of medical equipment, and relates to an extracorporeal bridging medical catheter structure and its application. Background technique [0002] Causes of arterial thrombosis [0003] People with high blood pressure, high blood fat, high (blood) viscosity, high smoking addiction, coronary heart disease, especially myocardial infarction and atrial fibrillation, atherosclerosis and abdominal aortic aneurysm are high-risk groups of arterial embolism. Many reports indicate that the most common cause of peripheral arterial embolism is cardiogenic: 94% of embolisms are from heart disease, 77% of which are accompanied by atrial fibrillation; coronary heart disease includes myocardial infarction, atrial fibrillation, congestive heart failure and aneurysm about 60% %; rheumatic heart disease accounted for 20%; rheumatic heart disease and coronary heart disease, both have thrombosis in the left heart, the patients are mainly midd...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61M25/14A61M1/36
CPCA61M1/3621A61M25/0045A61M1/3656A61M1/3659
Inventor 吴向阳
Owner 吴向阳
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