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A hepatic portal vein and demonstration device technology, applied in the field of clinical medical demonstration teaching, can solve the problems of poor teaching effect, boring and dull teaching process, and inability to demonstrate the process of hepatic portal vein blood return for students, so as to achieve easy acceptance of knowledge, reduce boring and dull, Improve the effect of teaching
Pending Publication Date: 2020-06-16
PUTIAN UNIV
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[0003] In the existing teaching process, there is no demonstration model of hepatic portal vein blood reflux, and the theoretical knowledge is taught orally based on the teacher's experience. The teaching process is boring and dull, and the teaching effect is poor, and it is impossible to truly and specifically demonstrate the hepatic portal vein to students. blood flow process
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[0046] In order to explain in detail the technical content, structural features, achieved goals and effects of the technical solution, the following will be described in detail in conjunction with specific embodiments and accompanying drawings.
[0047] In the description of this application, unless otherwise clearly stipulated and limited, the terms "first" and "second" are only used for the purpose of description, and cannot be understood as indicating or implying relative importance; unless otherwise specified or Note that the term "multiple" means two or more; the terms "connection" and "fixation" should be understood in a broad sense, for example, "connection" can be a fixed connection, a detachable connection, or an integrated Ground connection, or electrical connection; it can be directly connected or indirectly connected through an intermediary. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according...
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Abstract
The invention relates to a hepatic portal vein blood backflow demonstration device which comprises a demonstration model. The demonstration model comprises esophageal veins, esophageal vein plexus, gastric left veins, hepatic portal veins, semi-azygos veins, azygos veins, superior vena cava, rectal vein plexus, anal veins, private part internal veins, superior rectum veins, submesenteric veins, splenic veins, subrectal veins, intrailiac veins, iliac general veins, inferior vena and light-emitting devices. The light-emitting devices are arranged in a vein tube formed by communicating the esophageal veins, the esophageal vein plexus, the gastric left veins, the hepatic portal veins, the semi-azygos veins, the azygos veins, the superior vena cava, the rectum vein plexus, the anal veins, the private part internal veins, the superior rectum veins, the submesenteric veins, the splenic veins, the subrectal veins, the intrailiac veins and the inferior vena. According to the hepatic portal veinblood backflow demonstration device, the hepatic portal vein blood backflow process can be demonstrated to students more truly and clearly, the boring and stiff teaching process is reduced, and the teaching effect is improved.
Description
technical field [0001] The invention relates to the technical field of clinical medicine demonstration teaching, in particular to a hepatic portal blood reflux demonstration device. Background technique [0002] Hepatic portal vein, also known as portal vein. A thick vein that is collected by the capillaries of the digestive tract (stomach, intestine, pancreas, spleen, etc.) and enters the liver at the hilum of the liver. The characteristic is that both ends are connected with capillaries. After the hepatic portal vein enters the liver, it gradually branches to form the hepatic sinusoid (capillaries of the liver), and then flows into the inferior vena cava through the hepatic vein. The venous trunk that guides blood from unpaired organs in the abdominal cavity [stomach, spleen, pancreas, intestine (except the posterior segment of the rectum)] to the liver. It is formed by the confluence of collaterals such as the splenic vein, anterior mesenteric vein, posterior mesenteri...
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