CN112017517B - Organ model body, preparation method thereof and application thereof in preparation of resectoscope resection training model - Google Patents
Organ model body, preparation method thereof and application thereof in preparation of resectoscope resection training model Download PDFInfo
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- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
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Abstract
The invention provides an organ model body, a preparation method thereof and application thereof in preparation of an resectoscope resection training model, and relates to the technical field of medical teaching molds, wherein the organ model body comprises a simulated organ cavity and a simulated organ pipeline, one end of the simulated organ pipeline is connected with a closed passage of the simulated organ cavity, and meanwhile, the simulated organ cavity is mainly prepared from the heart of a livestock animal, so that the feedback of the operation touch feeling and the force of a doctor for performing minimally invasive surgery training is ensured, and the training scene is more real; moreover, the livestock animal heart used as the isolated animal organ also has the advantages of convenience in acquisition and economy. Therefore, the organ model body not only saves the investment of field, cost, manpower and the like, but also can realize the daily routine of the minimally invasive surgery training, ensure that the doctor can repeatedly train for many times and achieve sufficient skill proficiency.
Description
Technical Field
The invention relates to the technical field of medical teaching molds, in particular to an organ model body, a preparation method thereof and application thereof in preparation of an resectoscope resection training model.
Background
The modern science and technology development is rapid, the medical technology is changed day by day, the health guarantee strength of the public is increased in recent years, the importance of education and training on the medical quality is emphasized by the documents issued by each executive department in succession, but at present, surgeons mostly adopt the teaching mode of 'teachers and hikers bring education' and 'practice in the place of the art', so the practical opportunity of the doctors is seriously insufficient, only the traditional mode of training the skills on patients is changed, the sufficient skill accumulation opportunity can be provided for the doctors, and meanwhile, the risk of doctors is reduced. Surgery places extremely high demands on the operating skill of the physician, and requires extensive, realistic training if one wants to get the physician with an effective skill accumulation.
At present, a method for performing minimally invasive surgery training for doctors is mainly training by using a virtual simulator composed of a 3D animation and a force feedback system, the 3D simulator is relatively convenient, but human tissues are complex multilayer materials, and the properties of the 3D simulator depend on the number of layers, the thickness of the layers, the trend of muscle fibers, humidity, temperature and the like, so that the operation touch feeling of the 3D simulation cannot meet clinical requirements all the time. Therefore, the training effect of the existing training device for minimally invasive surgery is not ideal.
In view of this, an organ model body and an resectoscope operation training model based on the organ model body are provided, so that a doctor obtains a real skill training touch, and the operation skill is improved; meanwhile, the training model for the resectoscope operation has the advantages of convenience in material taking, simple requirement on training environment, and capability of saving the investment of fields, cost, labor and the like, and becomes necessary and urgent.
In view of the above, the present invention is particularly proposed.
Disclosure of Invention
The first purpose of the invention is to provide an organ model body, which can effectively improve the feedback of the operation touch feeling and the force of a doctor in minimally invasive surgery training and has a more real training scene; meanwhile, the method has the advantages of convenience in acquisition and economy, can realize the daily use of minimally invasive surgery training, ensures that doctors can train repeatedly for many times, and achieves sufficient skill proficiency.
It is a second object of the present invention to provide a method for preparing the above organ phantom, which has the advantage of easy operation.
The third purpose of the invention is to provide an application of the organ model body in the preparation process of a training model for resectoscope resection.
The fourth purpose of the invention is to provide a preparation method of the training model for the resectoscope resection.
The fifth purpose of the invention is to provide a preparation method of the hysteroscope hysteromyoma resection training model.
In order to achieve the above purpose of the present invention, the following technical solutions are adopted:
the invention provides an organ model body, which comprises a simulated organ cavity and a simulated organ pipeline;
wherein the simulated organ cavity is mainly prepared from the heart of a livestock animal;
one end of the simulated organ pipeline is connected with the simulated organ cavity closed passage.
Further, the heart of the livestock animal comprises any one of a pig heart, a cow heart, a horse heart and a sheep heart, and is preferably a pig heart.
Further, the simulated organ pipeline is a livestock animal intestine pipe for removing grease;
preferably, the length of the intestinal canal of the livestock is 12-14 cm;
or, the simulated organ conduit is made of silica gel.
The invention provides a preparation method of the organ model body, which comprises the following steps:
(A) providing the heart of an in-vitro livestock animal, cutting off the right ventricle and the right atrium along the coronary artery, reserving the left atrium and the left ventricle, then cutting off the left auricle, and trimming the coronary surface into a wide mouth along the aortic orifice to prepare a simulated organ cavity;
(B) and (D) providing a simulated organ pipeline, and then hermetically connecting one end of the simulated organ pipeline to the wide mouth in the step (A) to prepare the organ model body.
The invention provides an application of the organ model body in preparation of a training model for resectoscope resection.
Further, the resectoscope resection training model comprises a uterine cavity resectoscope training model;
and, transurethral electroresection training models.
The invention provides a preparation method of a training model for resectoscopy, which comprises the following steps:
(C) providing the organ model body, and then cutting off a mitral valve between the left atrium and the left ventricle in the simulated organ cavity to form an integral cavity between the left atrium and the left ventricle to obtain a training model A;
(D) and fixing the beads with the holes in the simulated organ cavity of the training model A for marking different excision training points to prepare the resectoscope training model.
Further, the perforated beads in the step (D) are colored perforated beads, and comprise red perforated beads, pink perforated beads, yellow perforated beads, green perforated beads, blue perforated beads and purple perforated beads;
preferably, the beads with holes in the step (D) are fixed at the position of 2-4 cm above the apex of the heart of the simulated organ cavity.
The invention provides a preparation method of a transurethral resection training model, which comprises the following steps:
(C1) providing the organ model body, and then cutting off a mitral valve between the left atrium and the left ventricle in the heart of the livestock animal to form an integral cavity by the left atrium and the left ventricle to obtain a simulated cavity;
(D1) and fixing the beads with the holes in the simulation cavity, marking different excision training points, and preparing the transurethral electroexcision training model.
The invention provides a preparation method of a training model for uterine cavity electrostomy, which comprises the following steps:
(C2) providing the organ model body, and then cutting off a mitral valve between the left atrium and the left ventricle in the heart of the livestock animal to form an integral cavity by the left atrium and the left ventricle to obtain a simulated cavity;
(D2) and fixing the beads with the holes inside the simulation cavity, marking different excision training points, and preparing the uterine cavity electrosection training model.
The invention provides a preparation method of a hysteroscope hysteromyomectomy training model, which comprises the following steps:
(E) providing the organ model body, wherein the heart of the livestock animal has the size of 8-12cm in length for simulating a uterine cavity, and the inner diameter of the intestinal canal of the livestock of the simulated organ pipeline is 3-5cm for simulating a vagina;
then, the heart of the livestock animal is cut along the heart axis without damaging the mitral valve, and then the internal bulges of the heart, such as the valve/chordae tendineae and the like in the heart are trimmed into bulges with the diameter of 0.5-2.5cm for simulating hysteromyoma;
(F) and (E) closing the cut cardiac axis in the step (E) to obtain the hysteroscope hysteromyoma resection training model.
Compared with the prior art, the invention has the beneficial effects that:
the organ model body comprises a simulated organ cavity and a simulated organ pipeline, wherein one end of the simulated organ pipeline is connected with a closed passage of the simulated organ cavity, and meanwhile, the simulated organ cavity is mainly prepared from the heart of a livestock animal, so that the feedback of the operation touch feeling and the force of a doctor for minimally invasive surgery training is ensured, and the organ model body has the effect of more real training scene; moreover, the livestock animal heart used as the isolated animal organ also has the advantages of convenience in acquisition and economy. Therefore, the organ model body not only saves the investment of field, cost, manpower and the like, but also can realize the daily routine of the minimally invasive surgery training, ensure that the doctor can repeatedly train for many times and achieve sufficient skill proficiency.
The preparation method of the organ model body provided by the invention comprises the steps of firstly cutting off the right ventricle and the right atrium of the heart of the livestock along the coronary artery, reserving the left atrium and the left ventricle, then cutting off the left auricle, and trimming the coronary surface into a wide mouth along the aortic orifice to prepare a simulated organ cavity; and then, hermetically connecting one end of the simulated organ pipeline to the wide mouth to prepare the organ model body. The preparation method has the advantage of easy operation.
The organ model body provided by the invention can be widely applied to the preparation process of the training model for resectoscope resection.
The invention provides a preparation method of an resectoscope resection training model, which comprises the steps of resecting a mitral valve between a left atrium and a left ventricle in an organ model body, and forming an integral cavity by the left atrium and the left ventricle to obtain a training model A; and then, the beads with holes are fixed in the simulated organ cavity of the training model A, the beads with different colors represent different positioning, and positioning can be performed for training different point positions to prepare the training model for the resectoscope resection. The preparation method has the advantage of simple preparation operation, and the mitral valve is excised to form an integral cavity in the training model of the resectoscope operation, so that the trouble that the paths are unclear to the training of doctors due to a plurality of heart cavities is effectively avoided, and the homogenization assessment is easier to realize.
The preparation method of the hysteroscope hysteromyoma excision training model comprises the steps of selecting a livestock animal heart with the size of 8-12cm for simulating a uterine cavity, and selecting a livestock intestine tube with the inner diameter of 3-5cm for simulating a vagina; the preparation method has the advantage of simple preparation operation, the heart of the livestock animal is cut along the axis of the heart without damaging the mitral valve, and then the inner bulges of the heart, such as the valve/chordae tendineae and the like in the heart are trimmed into the bulges with the diameter of 0.5-2.5cm for simulating the hysteromyoma, so that the problem that the existing hysteroscope hysteromyoma excision training model is lack of focus structures is solved; meanwhile, the cardiac axis after the preparation of the simulated uterine fibroid is closed, a complete simulated uterine cavity is formed, the training of a doctor is easier to realize, and the homogenization examination is easier to realize.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
According to one aspect of the invention, an organ model body comprises a simulated organ cavity and a simulated organ conduit;
wherein the simulated organ cavity is prepared mainly from the heart of a livestock animal;
one end of the simulated organ pipeline is connected with the simulated organ cavity closed passage.
The organ model body comprises a simulated organ cavity and a simulated organ pipeline, wherein one end of the simulated organ pipeline is connected with a closed passage of the simulated organ cavity, and meanwhile, the simulated organ cavity is mainly prepared from the heart of a livestock animal, so that the feedback of the operation touch feeling and the force of a doctor for minimally invasive surgery training is ensured, and the organ model body has the effect of more real training scene; moreover, the livestock animal heart used as the isolated animal organ also has the advantages of convenience in acquisition and economy. Therefore, the organ model body not only saves the investment of field, cost, manpower and the like, but also can realize the daily routine of the minimally invasive surgery training, ensure that the doctor can repeatedly train for many times and achieve sufficient skill proficiency.
In a preferred embodiment of the present invention, the heart of the livestock animal comprises any one of a heart of a pig, a heart of a cow, a heart of a horse, and a heart of a sheep, preferably a heart of a pig.
In a preferred embodiment of the invention, the simulated organ tract is a degreased livestock intestine;
in the preferred embodiment, the length of the intestine of the livestock animal is 12-14 cm;
in another preferred embodiment of the present invention, the simulated organ conduit is made of silica gel.
According to an aspect of the present invention, a method for preparing the above organ model body comprises the following steps:
(A) providing the heart of an in-vitro livestock animal, cutting off the right ventricle and the right atrium along the coronary artery, reserving the left atrium and the left ventricle, then cutting off the left auricle, and trimming the coronary surface into a wide mouth along the aortic orifice to prepare a simulated organ cavity;
(B) and (D) providing a simulated organ pipeline, and then hermetically connecting one end of the simulated organ pipeline to the wide mouth in the step (A) to prepare the organ model body.
The preparation method of the organ model body provided by the invention comprises the steps of firstly cutting off the right ventricle and the right atrium of the heart of the livestock along the coronary artery, reserving the left atrium and the left ventricle, then cutting off the left auricle, and trimming the coronary surface into a wide mouth along the aortic orifice to prepare a simulated organ cavity; and then, hermetically connecting one end of the simulated organ pipeline to the wide mouth to prepare the organ model body. The preparation method has the advantage of easy operation.
According to one aspect of the invention, the organ model body is used for preparing a training model for resectoscopy.
The organ model body provided by the invention can be widely applied to the preparation process of the training model for resectoscope resection.
In a preferred embodiment of the present invention, the resectoscopy training model comprises a uterine cavity resectoscopy training model;
and, transurethral electroresection training models.
According to one aspect of the present invention, a method of preparing a training model for resectoscopy comprises the steps of:
(C) providing the organ model body, and then cutting off a mitral valve between the left atrium and the left ventricle in the simulated organ cavity to form an integral cavity between the left atrium and the left ventricle to obtain a training model A;
(D) and fixing the beads with the holes in the simulated organ cavity of the training model A for marking different excision training points to prepare the resectoscope training model.
The invention provides a preparation method of an resectoscope resection training model, which comprises the steps of resecting a mitral valve between a left atrium and a left ventricle in an organ model body, and forming an integral cavity by the left atrium and the left ventricle to obtain a training model A; the perforated beads were then fixed inside the simulated organ cavity of training model a for labeling different ablation training sites. The preparation method has the advantage of simple preparation operation, and the mitral valve is excised to form an integral cavity in the training model of the resectoscope so as to effectively avoid the trouble that a plurality of heart cavities can cause unclear access to the training of doctors and realize homogenization examination more easily.
In a preferred embodiment of the present invention, the porous beads in the step (D) are colored porous beads including red porous beads, pink porous beads, yellow porous beads, green porous beads, blue porous beads and purple porous beads;
as a preferable fact, the colored perforated beads are more beneficial to the identification of the point location, and further beneficial to the excision training of specific point locations by doctors.
In the above preferred embodiment, the method for positioning the beads with holes can be implemented by using various methods such as drawing dots, simple stitches, pins, etc. to fix and position.
In the above preferred embodiment, the beads with holes in the step (D) are fixed at a position 2-4 cm above the apex of the heart simulating the cavity of the organ.
In a preferred embodiment, the beads with holes are fixed at a position 2 to 4cm above the apex of the heart of the simulated organ cavity, which is the most suitable position for excisional training.
According to one aspect of the invention, a method for preparing a hysteroscopic hysteromyomectomy training model includes the following steps:
(E) providing the organ model body, wherein the heart of the livestock animal has the size of 8-12cm in length for simulating a uterine cavity, and the inner diameter of the intestinal canal of the livestock of the simulated organ pipeline is 3-5cm for simulating a vagina;
then, the heart of the livestock animal is cut along the heart axis without damaging the mitral valve, and then the internal bulges of the heart, such as the valve/chordae tendineae and the like in the heart are trimmed into bulges with the diameter of 0.5-2.5cm for simulating hysteromyoma;
(F) and (E) closing the cut cardiac axis in the step (E) to obtain the hysteroscope hysteromyoma resection training model.
The preparation method of the hysteroscope hysteromyoma excision training model comprises the steps of selecting a livestock animal heart with the size of 8-12cm for simulating a uterine cavity, and selecting a livestock intestinal canal simulation organ pipeline with the inner diameter of 3-5cm for simulating a vagina; the preparation method has the advantage of simple preparation operation, the heart of the livestock animal is cut along the axis of the heart without damaging the mitral valve, and then the internal bulges of the heart except the valve/chordae tendineae and the like in the heart are trimmed into the bulges with the diameter of 0.5-2.5cm for simulating the hysteromyoma, so that the problem that the existing hysteroscope hysteromyoma excision training model is lack of focus structures is solved; meanwhile, the cardiac axis after the preparation of the simulated uterine fibroid is closed, a complete simulated uterine cavity is formed, the training of a doctor is easier to realize, and the homogenization examination is easier to realize.
The technical solution of the present invention will be further described with reference to the following examples.
Example 1
A method of preparing a training model for resectoscopy, the method comprising the steps of:
(1) providing a complete pig heart, cutting off a right ventricle and a right atrium along a coronary artery, reserving a left atrium and a left ventricle, then cutting off a left auricle, and trimming a coronary surface into a wide mouth along an aortic orifice to prepare a simulated organ cavity;
(2) taking a section of intestinal tube with the length of 12-14 cm and the inner diameter of 3-5cm, cutting off redundant grease to obtain a simulated organ pipeline, and then sewing one end of the simulated organ pipeline on the wide mouth in the step (1) to prepare the organ model body.
(3) Providing the organ model body, and then cutting off a mitral valve between the left atrium and the left ventricle in the simulated organ cavity to form an integral cavity between the left atrium and the left ventricle to obtain a training model A;
(4) and fixing the beads with the holes at the 4cm position of the apex of the heart inside the training model A for marking different excision training points to prepare the training model for the resectoscope excision.
Example 2
A method of preparing a training model for resectoscopy, the method comprising the steps of:
(1) providing a complete sheep heart, cutting off a right ventricle and a right atrium along a coronary artery, reserving a left atrium and a left ventricle, then cutting off a left auricle, and trimming a coronary surface into a wide mouth along an aortic orifice to prepare a simulated organ cavity;
(2) taking a section of intestinal tube with the length of 12-14 cm and the inner diameter of 3-5cm, cutting off redundant grease to obtain a simulated organ pipeline, and then sewing one end of the simulated organ pipeline on the wide mouth in the step (1) to prepare the organ model body.
(3) Providing the organ model body, and then cutting off a mitral valve between the left atrium and the left ventricle in the simulated organ cavity to form an integral cavity between the left atrium and the left ventricle to obtain a training model A;
(4) placing the non-invasive part of the training model A on a plane, sewing a circle of marking line at the position of 4cm on the apex of the heart, sewing a needle inwards at 12 points, 2 points, 4 points, 6 points, 8 points and 10 points respectively, then threading a colored bead with a hole on the needle, and then penetrating the needle out of the heart cavity and knotting so as to fix the colored bead in the heart cavity for marking different excision training points, thus obtaining the training model for the resectoscope excision;
wherein, the corresponding color beads of each marking point are as follows:
red at the 12-point position, pink at the 2-point position, yellow at the 4-point position, green at the 6-point position, blue at the 8-point position, and purple at the 10-point position.
Example 3
A preparation method of a hysteroscopic hysteromyomectomy training model, which comprises the following steps:
(1) providing a pig heart with the size of 8-12cm, cutting off a right ventricle and a right atrium along a coronary artery, reserving a left atrium and a left ventricle, then cutting off a left auricle, and trimming a coronary face into a wide mouth along an aortic orifice to prepare a simulated uterine cavity;
(2) then cutting off a simulated uterine cavity along the axis of the heart without damaging the mitral valve, and then trimming the internal bulges of the heart, such as the valve/chordae tendineae and the like in the heart into bulges with the diameter of 0.5-2.5cm for simulating the hysteromyoma;
(3) suturing the cut cardiac axis in the step (2) to obtain a simulated uterine cavity with myoma;
(4) and (3) taking a section of intestinal tube with the length of 12-14 cm and the inner diameter of 3-5cm, cutting off redundant grease to obtain a simulated vagina, and then sewing one end of the simulated vagina on the wide mouth in the step (1) to prepare the hysteroscope hysteromyoma excision training model.
Example 4
A preparation method of a hysteroscopic hysteromyomectomy training model, which comprises the following steps:
(1) providing a pig heart with the size of 8-12cm, cutting off a right ventricle and a right atrium along a coronary artery, reserving a left atrium and a left ventricle, then cutting off a left auricle, and trimming a coronary face into a wide mouth along an aortic orifice to prepare a simulated uterine cavity;
(2) then cutting off a simulated uterine cavity along the axis of the heart without damaging the mitral valve, and then trimming the internal bulges of the heart, such as the valve/chordae tendineae and the like in the heart into bulges with the diameter of 0.5-2.5cm for simulating the hysteromyoma;
(3) closing the cardiac axis cut in the step (2) by adopting a nailing method to prepare a simulated uterine cavity with myoma;
(4) taking a section of intestinal tube which is 12-14 cm long and has the inner diameter of 3-5cm, cutting off redundant grease to obtain a simulated vagina, then sewing one end of the simulated vagina on the wide mouth in the step (1), and preparing the hysteroscope hysteromyomectomy training model.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (5)
1. A preparation method of a hysteroscope hysteromyoma resection training model is characterized by comprising the following steps:
(E) providing an organ model body, wherein the size of the heart of the livestock animal is 8-12cm in length for simulating a uterine cavity, and the inner diameter of the intestinal canal of the livestock of the simulated organ pipeline is 3-5cm for simulating a vagina;
then the livestock animal heart is cut along the heart axis without damaging the mitral valve, and then the valve/chordae tendineae bulges in the heart are trimmed into bulges with the diameter of 0.5-2.5cm for simulating hysteromyoma;
(F) closing the cardiac axis cut in the step (E) to prepare a hysteroscope hysteromyoma resection training model;
the organ model body comprises a simulated organ cavity and a simulated organ pipeline;
wherein the simulated organ cavity is prepared from a livestock animal heart;
one end of the simulated organ pipeline is connected with the simulated organ cavity closed passage;
the simulated organ pipeline is a livestock animal intestinal tube for removing grease.
2. The method according to claim 1, wherein the heart of the livestock animal comprises any one of a heart of pig, a heart of cow, a heart of horse and a heart of sheep.
3. The method of claim 2, wherein the livestock animal heart is a pig heart.
4. The method according to claim 1, wherein the length of the intestine of the livestock animal is 12 to 14 cm.
5. The method of any one of claims 1 to 4, wherein the method of preparing an organ model comprises the steps of:
(A) providing the heart of an in-vitro livestock animal, cutting off the right ventricle and the right atrium along the coronary artery, reserving the left atrium and the left ventricle, then cutting off the left auricle, and trimming the coronary surface into a wide mouth along the aortic orifice to prepare a simulated organ cavity;
(B) and (D) providing a simulated organ pipeline, and then hermetically connecting one end of the simulated organ pipeline to the wide mouth in the step (A) to prepare the organ model body.
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| CN113903233B (en) * | 2021-10-26 | 2022-10-28 | 暨南大学 | Simulated operation guiding method, device, equipment and storage medium of heart model |
| CN114419971A (en) * | 2022-03-11 | 2022-04-29 | 北京博医时代教育科技有限公司 | Uterus model, hysteroscope operation training model and manufacturing method thereof |
| CN114550564A (en) * | 2022-03-11 | 2022-05-27 | 北京博医时代教育科技有限公司 | Hysteroscope operation training model, manufacturing method and application |
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| CN111376482A (en) * | 2020-02-18 | 2020-07-07 | 珠海赛纳三维科技有限公司 | Operation training model, printing method and printing system thereof |
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