Teaching model for displaying colon cancer metastasis path

Abstract

A teaching model for displaying a colon cancer metastasis path is characterized in that a model main body comprises a colon module, a blood vessel network module and a liver module, the colon module and the liver module are connected through the blood vessel network module, and a support is provided with a first bracket for fixing the colon module and a second bracket for fixing the liver module; a hollow cavity channel is formed in the blood vessel network module to serve as a transfer channel, and a through hole for communicating the transfer channel with the outside is further reserved in the blood vessel network module; the model body further comprises a teaching rod and an interaction assembly which can be in magnetic attraction fit inside and outside the blood vessel network module, the interaction assembly comprises a medicine model, a cancer cell model and an immune cell model, and the outer diameter of the interaction assembly is smaller than the hole diameter of the through hole so that the in-out function of the interaction assembly between the transfer channel and the outside can be achieved. Through cooperation of the interaction assembly and the magnetic suction rod, the processes of transfer, onset paths and the like of cancer cells, immune cells and drug models in a vascular network are simulated.

Description

TECHNICAL FIELD

[0001] The utility model discloses medical teaching appliance technical field relates especially a kind of teaching model of demonstration colon cancer metastatic pathway. BACKGROUND

[0002] Colon cancer is common digestive tract tumor, it can be transferred to liver, lung by portal vein route and form the same type tumor as primary site tumor, i.e. metastasis or metastatic carcinoma. Traditional teaching process only plays classroom animation or two-dimensional picture to show the metastasis process of cancer cells in blood vessels, lacks interactivity, and students are difficult to remember and understand. INVENTION CONTENTS

[0003] The utility model discloses medical teaching appliance technical field relates especially a kind of teaching model of demonstration colon cancer metastatic pathway.

[0004] In order to realize the above-mentioned purpose, the utility model discloses the following technical scheme: a kind of teaching model of demonstration colon cancer metastatic pathway, including model main body and support, model main body includes colon module, blood vessel network module and liver module, colon module and liver module are connected by blood vessel network module, support is equipped with the first bracket for fixing colon module and the second bracket for fixing liver module respectively on;Blood vessel network module is equipped with hollow cavity to be used as transfer channel, blood vessel network module is also reserved with the through-hole for the intercommunication of transfer channel and outside;

[0005] Model main body also includes the teaching stick and interactive component that can be in blood vessel network module inside and outside magnetic attraction cooperation, interactive component includes drug model, cancer cell model and immune cell model, the outer diameter of interactive component is less than the aperture of through-hole, to realize the in-and-out function of interactive component between transfer channel and outside.

[0006] Preferably, blood vessel network module is formed by transparent or translucent material by 3D printing, and the blood vessel network module includes a colon vein module and a hepatic portal vein module connected in communication, wherein the colon vein module is adhered to the surface of the colon module at the end thereof, and the hepatic portal vein module is adhered and fixed to the liver module at the proximal end thereof.

[0007] Preferably, the number of through-holes is not less than one, and the through-holes are located at the end of the colon vein module and the proximal end of the hepatic portal vein module, and a fixing plug is detachably connected to the through-holes, and the outer diameter of the fixing plug matches the aperture of the through-holes.

[0008] Preferably, the blood vessel network module is fixed with an LED light strip in the direction of blood flow.

[0009] Preferably, the colon module is provided with a primary cancer section display area, the primary cancer section display area comprises, from outside to inside, an exposed section of serosa layer, muscle layer and mucosa layer, the mucosa layer is concave inward to form a plurality of first grooves exposed to the section, and the first grooves are inlaid with primary tumor models; the liver module is provided with a section as a metastatic cancer section display area, and the section is provided with a plurality of second grooves inlaid with metastatic focus models.

[0010] Preferably, the teaching rod is provided with a magnetic suction sub-component and a magnetic suction mother component at two ends for magnetic attraction, the cancer cell model is provided with the magnetic suction sub-component, and the immune cell model and the drug model are provided with the magnetic suction mother component.

[0011] Preferably, the colon module and the liver module are further fixed with a plurality of NFC tags.

[0012] Preferably, the primary tumor models and the first grooves and the metastatic focus models and the second grooves are detachably connected.

[0013] The utility model discloses the beneficial effects are: through the cooperation of interactive component and magnetic attraction rod, simulate cancer cell, immune cell and drug model in the transfer of vascular network, the path of taking effect etc. Process, and combine primary cancer section display area and metastatic cancer section display area and directly show the pathological morphology of each organ, and it is convenient for student to understand and remember relevant knowledge points. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the structural schematic diagram of the utility model model main part;

[0015] Figure 2 It is the structural schematic diagram of the utility model teaching model;

[0016] Figure 3 It is the structural schematic diagram of the utility model support;

[0017] Figure 4 It is the structural schematic diagram of the utility model teaching rod and interactive component. DETAILED DESCRIPTION

[0018] The technical scheme in the embodiments of the utility model will be clearly and completely described in combination with the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0019] In combination with the embodiments and the drawings of the utility model Figures 1-4A teaching model for showing the metastasis path of colon cancer, comprising a model main body and a support 4, the model main body comprising a colon module 1, a blood vessel network module 2 and a liver module 3, the colon module 1 and the liver module 3 being connected through the blood vessel network module 2, the support 4 being provided with a first bracket for fixing the colon module 1 and a second bracket 41 for fixing the liver module, respectively; the blood vessel network module 2 being provided with a hollow cavity as a metastasis channel 20, and the blood vessel network module 2 being further provided with a through hole 201 for connecting the metastasis channel 20 and the outside;

[0020] The model main body further comprises a teaching rod 6 and an interactive component which can be magnetically attracted in and out of the blood vessel network module, the interactive component comprising a drug model 53, a cancer cell model and an immune cell 52 model, the outer diameters of the interactive component being smaller than the hole diameter of the through hole 201, so as to realize the in-and-out function of the interactive component between the metastasis channel 20 and the outside.

[0021] Further, the through hole 201 is located on the side or top surface of the blood vessel network module.

[0022] Further, the first bracket comprises left and right supporting rods arranged transversely, the ends of the left and right supporting rods being horizontally extended forward to form a support rod 421 for hanging the transverse colon, the support rod 421 being arranged parallel to the horizontal plane and passing through the gap between the blood vessel network module 2 and the colon module, and the end of the support rod 421 being further connected with a positioning arm 420 which is connected perpendicularly with the support rod 421 to avoid the model main body from slipping off the support rod 421. The second bracket 41 is provided at the top with a U-shaped groove for lifting and supporting the liver module, the opening of the U-shaped groove being matched with the liver module to facilitate lifting the liver module.

[0023] Further, the positioning arm 420 is located below and in front of the second bracket 41, so that the blood vessel network module 2 is shaped in an inclined state, facilitating multi-directional display of the model main body and widening the operation space of the interactive component and the teaching rod.

[0024] A teaching model for showing the metastasis path of colon cancer, the blood vessel network module 2 being formed by 3D printing of transparent or translucent material, the blood vessel network module 2 comprising a colon vein module and a hepatic portal vein module 21 which are connected, wherein the end of the colon vein module is adhered to the surface of the colon module 1, the proximal end of the hepatic portal vein module is adhered and fixed with the liver module 3, and the blood vessel network module 2 is clamped between the liver module 3 and the colon module 1, so that the model main body can be integrally accommodated and accurately positioned.

[0025] Further, the blood vessel network module is a 3D-printed transparent silicone blood vessel.

[0026] A teaching model for showing the metastasis path of colon cancer, the blood vessel network module can be detachably connected with the colon module and the liver module through ligation fixation or chimeric fixation respectively, facilitating cleaning and maintenance. The ligation strip can be fixed by being passed through the paired perforations of the colon module and the liver module and then being tied with the transparent silicone blood vessels. Further, the ligation strip can be a nylon or rubber tie; the paired perforations are arranged at the opposite positions of the liver model and the hepatic portal vein module, and the transverse colon back surface, the ascending colon and the descending colon inner surface of the colon vein module.

[0027] A teaching model for showing the metastasis path of colon cancer, the number of through holes 201 is not less than one, the through holes 201 are located at the end of the colon vein module and the proximal end of the hepatic portal vein module, and the fixing plug is detachably connected with the through hole 201, and the outer diameter of the fixing plug matches the hole diameter of the through hole 201. The colon vein module includes a left colon vein pipeline group 221 and a right colon vein group 222. During use, the interactive components can be placed into the through holes, and the interactive components in the metastasis channel are guided by the teaching rod to move along the blood flow direction under the magnetic attraction, such as the cancer cell model which can adopt a low-invasive cancer cell model with smooth surface and a high-metastasis cell model with protrusions on the surface, the immune cell model which can adopt a T cell model or a macrophage model, and the drug model which can be a capsule model or a molecular model. The outer diameter of each interactive component is not less than 1 cm, and the diameter of the metastasis channel is not less than 2 cm.

[0028] A teaching model for showing the metastasis path of colon cancer, the teaching rod 6 is provided with a magnetic attraction sub-component and a magnetic attraction mother component at both ends, the cancer cell model 51 is provided with the magnetic attraction sub-component, and the immune cell model 52 and the drug model 53 are provided with the magnetic attraction mother component. After the cancer cell model is placed into the end (distal end) of the colon vein module, the cancer cell model can be guided to move along the path from the distal end of the vein module to the proximal end of the hepatic portal vein in the metastasis channel by the teaching rod, simulating the metastasis process; the cancer cell model can also be placed in the metastasis channel, and the immune cell model is placed into the through hole, and the immune cell model is guided to approach the cancer cell model by the other end of the teaching rod, and then the teaching rod is removed, so that the immune cell model and the cancer cell model are naturally attracted under the cooperation of the magnetic attraction sub-component and the magnetic attraction mother component, simulating the targeted recognition, and the drug model can be placed into the proximal end of the hepatic portal vein or the end of the colon vein, and the drug model can move along the targeted treatment path of different drugs under the guidance of the teaching rod.

[0029] Further, the shell of the interactive component is composed of magnetic attraction sub-components or magnetic attraction mother component particles, and the number of the teaching rods can be one or more.

[0030] Further, the diameter of the transfer channel 20 gradually increases as the distance between the transfer channel 20 and the proximal end of the hepatic portal vein decreases, and the transfer channel is provided with a first opening and a second opening at the end of the colon vein module and the proximal end of the hepatic portal vein, respectively. The first opening and the second opening are both obliquely cut or vertically arranged with respect to the blood flow direction, and the first opening and the second opening are both provided with a cover body for opening / closing the first opening and the second opening, facilitating the cleaning and nursing of the teaching mold.

[0031] Further, the cover body is connected to the blood vessel network module through insertion or rotation, and in the teaching demonstration state, the cover body can be inserted to achieve the effect of blocking the first opening and the second opening, so that the transfer channel is only connected to the outside through the through hole, facilitating the teaching of the interactive component; after the demonstration is over, the cover body can be removed or dissociated, so that the first opening and the second opening are opened, and the interactive component is quickly separated from the transfer channel by flushing or tilting and turning, facilitating the storage and arrangement of the teaching aid.

[0032] A teaching model for showing the metastasis path of colon cancer, the blood vessel network module 2 is fixed with an LED lamp strip along the blood flow direction, and the red light of the LED lamp strip displays the simulated one-way blood flow effect.

[0033] A teaching model for showing the metastasis path of colon cancer, the colon module 1 is provided with a primary cancer section display area, which includes, from outside to inside, an exposed section of the serosa layer, the muscle layer and the mucosa layer, the mucosa layer is concave outward to form a plurality of first grooves exposed to the section, and the first grooves are embedded with primary tumor models; the liver module is provided with a section as a metastatic cancer section display area, and the section is provided with a plurality of second grooves embedded with metastatic focus models. Further, the number of primary cancer section display areas is not less than one, and the plurality of primary cancer section display areas are arranged in the ascending colon, the transverse colon and the descending colon.

[0034] Further, the colon model 1 and the liver model 3 are both silicone colored models. The liver model section is also provided with a simple diagram of the left hepatic vein, the middle hepatic vein and the right hepatic vein, which facilitates the indication and explanation of the further distal metastasis process of colon cancer from the inferior vena cava during the teaching process.

[0035] A teaching model for showing the metastasis path of colon cancer, the primary tumor model and the first groove, and the metastatic focus model and the second groove are all detachably connected. The primary tumor model and the first groove, and the metastatic focus model and the second groove are all magnetically attracted and matched, which facilitates the taking and display.

[0036] A teaching model for showing the metastasis path of colon cancer, the colon module 1 and the liver module 3 surface are also fixed with NFC tags. Teaching animations can be input and stored in the NFC tags, and the teaching animations can be conveniently read through the sensing of intelligent devices, and the teaching effect can be deepened by playing the animations of cancer metastasis, immune synapses, drug metabolism and the like on the terminal of a smart device such as a mobile phone, which can replace the teaching and demonstration, and students can freely perform the operations of starting, stopping and repeatedly playing the animations according to individual needs, so that the understanding and memory effect is deepened.

[0037] Further, the NFC tags can also be fixed or hung on the support, facilitating the sensing operation of the intelligent device.

[0038] The above is only a preferred specific implementation manner of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. An educational model showing the metastatic pathway of colon cancer comprising a model body and a stand, characterized in that, The model body comprises a colon module, a blood vessel network module and a liver module, the colon module and the liver module are connected through the blood vessel network module, and the bracket is respectively provided with a first bracket for fixing the colon module and a second bracket for fixing the liver module; the blood vessel network module is provided with a hollow cavity as a transfer channel, and the blood vessel network module is also provided with through holes for connecting the transfer channel and the outside; The model body further comprises a teaching rod and an interactive component which can be magnetically attracted to the inside and outside of the blood vessel network module, the interactive component comprises a drug model, a cancer cell model and an immune cell model, the outer diameters of the interactive component are smaller than the hole diameters of the through holes, so as to realize the in-out function of the interactive component between the transfer channel and the outside.

2. The educational model of claim 1, wherein: The blood vessel network module is formed by 3D printing of a transparent or semi-transparent material, and comprises a colon vein module and a hepatic portal vein module which are connected, wherein the colon vein module is adhered to the surface of the colon module at the end, and the hepatic portal vein module is adhered and fixed to the liver module at the proximal end.

3. The educational model illustrating the metastatic pathway of colon cancer according to claim 2, wherein: The number of the through holes is not less than one, the through holes are located at the end of the colon vein module and the proximal end of the hepatic portal vein module, and the fixed plugs are detachably connected to the through holes and have outer diameters matched with the hole diameters of the through holes.

4. The educational model for demonstrating the metastatic pathway of colon cancer according to claim 1 or 2, wherein: The blood vessel network module is fixed with an LED lamp strip along the blood flow direction.

5. A teaching model for demonstrating the metastatic pathway of colorectal cancer according to claim 1, characterized in that: The colon module is provided with a primary cancer section display area, the primary cancer section display area comprises, from the outside to the inside, an exposed section of a serosa layer, a muscle layer and a mucosa layer, the mucosa layer is concave from the inside to the outside to form a plurality of first grooves exposed to the section, and the first grooves are embedded with primary tumor models; the liver module is provided with a section as a metastatic cancer section display area, and the section is provided with a plurality of second grooves embedded with metastatic focus models.

6. The educational model of claim 1, wherein: The teaching rod is provided with a magnetic sub-component and a magnetic mother component at both ends for magnetic attraction, the cancer cell model is provided with the magnetic sub-component, and the immune cell model and the drug model are provided with the magnetic mother component.

7. A teaching model for demonstrating the metastatic pathway of colorectal cancer according to claim 1, characterized in that: The surfaces of the colon module and the liver module are further fixed with a plurality of NFC tags.

8. The educational model of claim 5, wherein: The primary tumor models and the first grooves, and the metastatic focus models and the second grooves are detachably connected.

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