CN102522038A - Model for demonstrating pathological change of simulated portal cirrhosis - Google Patents
Model for demonstrating pathological change of simulated portal cirrhosis Download PDFInfo
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- CN102522038A CN102522038A CN2011103908734A CN201110390873A CN102522038A CN 102522038 A CN102522038 A CN 102522038A CN 2011103908734 A CN2011103908734 A CN 2011103908734A CN 201110390873 A CN201110390873 A CN 201110390873A CN 102522038 A CN102522038 A CN 102522038A
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Abstract
The invention relates to a model for demonstrating pathological change of simulated portal cirrhosis, which belongs to medical teaching equipment and particularly relates to a teaching tool for demonstrating pathological change of portal cirrhosis. The teaching tool is mainly composed of a heart model, an abdominal aorta model, an abdominal aorta branch model, a hepatic artery branch model, stomach, navel, spleen, small rectum, small intestine and liver lobule models, a portal vein branch model, a portal vein branch model, a central vein model, a pseudo lobule model, a sublobular vein model, a blood pool and an abdominal dropsy pool; and a model system of pathological clinical correlation of portal cirrhosis is formed. The model is simple in structure, convenient to operate and intuitive and easily understood for teaching, and is favorable for developing abilities of students to observe and analyze problems.
Description
Technical field
The invention belongs to medical teaching equipment, particularly demonstrate the teaching aid of Laennec's cirrhosis pathological change.
Background technology
In traditional Laennec's cirrhosis teaching; The main multimedia that adopts presents the Laennec's cirrhosis pathological characteristic; Like pseudolobuli formation, fibrous connective tissue hyperplasia, the liver inner structure is changed like blood vessel extruding, distortion, distortion, and cause the portal venous pressure rising; The corresponding clinical manifestation of reasoning then is like hemorrhage of digestive tract, splenomegaly, navel evagination, ascites formation etc.
[1]Because the complicated student's indigestion of content dynamic process.In experimental teaching, main through observing characteristics under the pathological section understanding cirrhosis mirror, the indigestion cirrhosis takes place, the development trend evolution process.Utilize model demonstration teaching visual pattern, and can show the dynamic evolution process of disease development.
Summary of the invention
The purpose of this invention is to provide a kind of simulation Laennec's cirrhosis pathological change demonstrating model, simple in structure easy to operate, it is visual and understandable to impart knowledge to students, and is become dynamically by static state, makes abstract knowledge become vivid.
Realize that this practical new technique scheme is: mainly by cardiac module, abdominal aorta model, abdominal aorta branch model, arteria hepatica branch model, stomach, navel, spleen, small intestine, rectum, lobuli hepatis model, portal vein belongs to a model, branch of portal vein model, central vein model, pseudolobuli model, blood pool and ascites pond and forms.Cardiac module is connected with abdominal aorta branch model, arteria hepatica model; Abdominal aorta branch model and portal vein belong to a model and join with stomach, navel, spleen, small intestine model respectively; The rectum model links to each other with the splenic vein model through superior rectal vein; The central vein model joins in branch of portal vein model, arteria hepatica branch model and the lobuli hepatis, gets into blood pool through the sublobular vein model at last.Small intestine model tube wall has the aperture of oozing out, and it is the ascites pond down.The pseudolobuli model is arranged around the central vein, have around portal vein model head, the spleen model gas bag packet around.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Among the figure,
The 1-cardiac module
2-arteria hepatica branch model
The 3-stomach model
4-stomach great cardiac vein
5-navel model
The secondary umbilical vein of 6-
7-spleen model
8-splenic vein model
9-inferior mesenteric vein model
10-rectum model
11-superior mesenteric vein model
12-small intestine model
13-portal vein model
14-branch of portal vein model
The 15-hepatic sinusoid
16-central vein model
17-, 18-, 19-pseudolobuli model
20-lobuli hepatis model
21-sublobular vein model
The 22-blood pool
23-ascites pond
25 small bowels ooze out the hole
25-abdominal aorta model
26-abdominal aorta model switch
27-, 29-, 30-, 31-abdominal aorta branch model
28-portal vein head airbag
Referring to accompanying drawing 1, this device cardiac module 1 joins with abdominal aorta model 25.Abdominal aorta branch model 27,29,30,31 belongs to stomach great cardiac vein model 4, secondary umbilical vein model 6, splenic vein model 8, the superior mesenteric vein model 11 that props up with portal vein, is connected through stomach 3, navel 5, spleen 7, small intestine 12 models respectively.Rectum model 10 is connected with splenic vein model 8 through inferior mesenteric vein model 9.Branch of portal vein model 14 forms hepatic sinusoid 15 and links to each other with central vein model 16 after joining with arteria hepatica branch model 2 in lobuli hepatis model 20, get into blood pool 22 through sublobular vein 21 at last.Small intestine model 12 walls have the aperture of oozing out, and its below is ascites pond 23.Pseudolobuli model 17,18,19 is arranged around the central vein 16.Have around the portal vein head 28, spleen 7 gas bag packet around.
During use; At the cardiac module 1 weak tea liquid of packing into, turn on abdominal aorta model switch 26, represent arterial blood to get into arteria hepatica branch 2 and abdominal aorta branch 27,29,30,31; And flow into stomach 3, navel 5, spleen 7, small intestine 12 respectively; Represent venous blood to flow into the portal vein genus gradually subsequently and prop up, like stomach great cardiac vein model 4, secondary umbilical vein model 6, splenic vein model 8, superior mesenteric vein model, access door vein 13, branch of portal vein 14 then; And arrive the central vein 16 in the lobuli hepatis 20, flow into blood pool 22 through sublobular vein 21 at last.Simulated the liver blood cyclic process this moment.When Laennec's cirrhosis took place, its pathological change was that pseudolobuli forms, the fibrous connective tissue hyperplasia, the liver inner structure is changed like blood vessel extruding, distortion, distortion, and cause that portal venous pressure raises.Simulation process is following: pseudolobuli model 17,18,19 airbag aerations are expanded; And oppress section and sublobular vein 21 before, during and after the central vein model 16 respectively; The result makes branch of portal vein model 14 inflow central vein models 13 inner bloods be obstructed, and causes portal vein model 13 pressure rising (portal vein head airbag 28 inflation simulated pressures raise).Simultaneously, the portal vein genus props up like stomach great cardiac vein model 4, secondary umbilical vein model 6, splenic vein model 8, superior mesenteric vein model 11 extravasated blood and causes spleen model 7 extravasated blood enlargements (airbag aeration simulation spleen enlargement around the spleen).Open small intestine model 12 walls then and ooze out aperture 24, make intestinal tube liquid be exuded to ascites pond 23 and formation ascites.
See that from the above-mentioned teaching plan of the present invention this apparatus structure is simple, easy to operate, visual in image, make cirrhosis pathological change, clinical pathology contact., look like specifically to dynamically by static state by taking out.Can dynamically understand the process of cirrhosis incidence and development, improve the ability of observation of students problem analysis.
List of references
[1] Wang Bin, old life is man. Pathology and Pathophysiology [M]. and the 6th edition. Beijing: People's Health Publisher .2009:208-209.
Claims (8)
1. simulate Laennec's cirrhosis pathological change demonstrating model for one kind; It is characterized in that mainly belonging to a model, branch of portal vein model, central vein model, pseudolobuli model, sublobular vein model, blood pool and ascites pond and forming by cardiac module, abdominal aorta model, abdominal aorta branch model, arteria hepatica branch model, stomach, navel, spleen, rectum, small intestine, lobuli hepatis model, portal vein; Cardiac module is connected with abdominal aorta branch model, arteria hepatica branch model; Abdominal aorta branch model and portal vein belong to a model, link to each other with stomach, navel, spleen, small intestine model respectively.
2. the rectum model links to each other with the splenic vein model through superior rectal vein, and the central vein model of branch of portal vein model, arteria hepatica branch model and lobuli hepatis inner model joins, and the latter gets into blood pool through the sublobular vein model.
3. the pseudolobuli model is positioned at around the central vein model.
4. by the described simulation Laennec's cirrhosis of claim 1 pathological change demonstrating model; It is characterized in that cardiac module, abdominal aorta model, abdominal aorta branch model, arteria hepatica branch model and stomach, navel, spleen, small intestine left-half; Adopting trnaslucent materials and outward appearance is pale red (simulation arterial blood color), and portal vein belongs to a model, central vein model and stomach, navel, spleen, the small intestine right half part is white transparent material (a simulation venous blood color).
5. the pseudolobuli model is an air bag, compressing central vein model during inflation (simulation cirrhosis pathological change).
6. there is air bag to center on (can simulate splenomegaly during inflation) around the spleen model.
7. portal vein model head and air bag join (during inflation simulated main portal vein blood pressure raise).
8. the small intestine model is a blister cavities, and blood vessel is crossed in the centre, and is white liquid in the small intestine blister cavities, oozes out (simulation ascites forms) through the small bowel aperture and gets into the ascites pond.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103908734A CN102522038A (en) | 2011-12-01 | 2011-12-01 | Model for demonstrating pathological change of simulated portal cirrhosis |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011103908734A CN102522038A (en) | 2011-12-01 | 2011-12-01 | Model for demonstrating pathological change of simulated portal cirrhosis |
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| CN102522038A true CN102522038A (en) | 2012-06-27 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1056762A (en) * | 1990-05-23 | 1991-12-04 | 周经华 | Dynamic demonstration model for human blood circulation |
| CN2396465Y (en) * | 1999-11-02 | 2000-09-13 | 崔维贞 | Urine producing demonstrator |
| CN1855174A (en) * | 2005-04-28 | 2006-11-01 | 郑凤和 | Analog person for blood-vessel intercurrent therapy |
| CN201556339U (en) * | 2009-11-05 | 2010-08-18 | 北京医模科技有限公司 | Pancreas model |
| CN201600821U (en) * | 2010-02-05 | 2010-10-06 | 北京医模科技有限公司 | Section model of right kidney |
| CN201638447U (en) * | 2010-03-23 | 2010-11-17 | 天津市天堰医教科技开发有限公司 | Liver model |
-
2011
- 2011-12-01 CN CN2011103908734A patent/CN102522038A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1056762A (en) * | 1990-05-23 | 1991-12-04 | 周经华 | Dynamic demonstration model for human blood circulation |
| CN2396465Y (en) * | 1999-11-02 | 2000-09-13 | 崔维贞 | Urine producing demonstrator |
| CN1855174A (en) * | 2005-04-28 | 2006-11-01 | 郑凤和 | Analog person for blood-vessel intercurrent therapy |
| CN201556339U (en) * | 2009-11-05 | 2010-08-18 | 北京医模科技有限公司 | Pancreas model |
| CN201600821U (en) * | 2010-02-05 | 2010-10-06 | 北京医模科技有限公司 | Section model of right kidney |
| CN201638447U (en) * | 2010-03-23 | 2010-11-17 | 天津市天堰医教科技开发有限公司 | Liver model |
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Application publication date: 20120627 |