CN112331013A - Placenta model for teaching demonstration and practical operation examination - Google Patents

Placenta model for teaching demonstration and practical operation examination Download PDF

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Publication number
CN112331013A
CN112331013A CN202011281805.XA CN202011281805A CN112331013A CN 112331013 A CN112331013 A CN 112331013A CN 202011281805 A CN202011281805 A CN 202011281805A CN 112331013 A CN112331013 A CN 112331013A
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placenta
fetal membrane
module
blood vessel
fetal
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贾佳
刘川峡
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Chongqing Medical and Pharmaceutical College
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Chongqing Medical and Pharmaceutical College
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    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B9/00—Simulators for teaching or training purposes
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
    • G09B23/28—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for medicine
    • G09B23/281—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for medicine for pregnancy, birth or obstetrics

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  • Pregnancy & Childbirth (AREA)
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Abstract

The invention discloses a placenta model for teaching demonstration and practical operation examination, which comprises a placenta module, a fetal membrane module and an umbilical cord module, wherein the placenta module is made of flexible materials, the fetal membrane module is covered outside the placenta module in a cover shape, one end of the umbilical cord module is arranged in the middle of the fetal membrane module, the other end of the umbilical cord module extends outwards, the placenta module comprises a placenta lobule and a placenta, the fetal membrane module comprises a fetal membrane and a first blood vessel arranged below the fetal membrane, and the umbilical cord module comprises a wrapping layer and three second blood vessels arranged in the wrapping layer. The placenta model provided by the invention is similar to a real placenta, can be used for teaching demonstration, and is convenient for students to know the placenta by straight pipes; the placenta model provided by the invention adopts flexible materials, can simulate the process of true placenta delivering from the uterine cavity, and can be used for practical examination of clinical medicine or midwifery specialty.

Description

Placenta model for teaching demonstration and practical operation examination
Technical Field
The invention relates to the technical field of placenta teaching, in particular to a placenta model for teaching demonstration and practical operation examination.
Background
The placenta is one of the accessories of the fetus, the identification of the placenta is the content which is necessary for medical professional students, the natural delivery and delivery taking-over technology is one of the necessary operations of clinical medicine and delivery assistance professional skills in various colleges and universities, and the operation of assisting the placenta in delivering, namely checking the placenta and fetal membranes is necessary for the natural delivery and delivery taking-over is necessary. The medical professional students cannot see the real placenta in person due to condition limitation during the school, the understanding of the placenta is realized through pictures or models, the picture effect is indirect, the models are more visual, and meanwhile, the operation of assisting the placenta to be delivered and checking the placenta fetal membranes can only be explained by a teacher in the process of seeing, so that the practical operation chance is lacked.
Postpartum hemorrhage is the first cause of death of puerperae in China, and placenta factor is one of four major causes of postpartum hemorrhage. Therefore, it is very important for the obstetrical health care personnel to understand the structure of the placenta and the attachment position thereof in the uterus, find out the cause of the postpartum hemorrhage caused by the placenta and determine the treatment method. In training of medical care personnel, particularly basic medical care personnel, teachers generally explain anatomical relationships of the uterus and the placenta and a placenta stripping mode by means of hanging pictures at present. The method is not intuitive, so that the students are difficult to experience and master, and the teaching effect is influenced.
In the prior art, two placenta models are available, one adopts hard materials such as plastic, rubber and the like; and the other is made of flexible material. The former has high simulation, but is difficult to deliver from the uterine cavity; the latter can be delivered from the uterine cavity, but is much different from the real placenta.
Disclosure of Invention
The invention aims to provide a placenta model which has high simulation performance, can be delivered from a uterine cavity and is used for teaching demonstration and practical operation examination.
Therefore, the technical scheme adopted by the invention is as follows: a placenta model for teaching demonstration and practical operation examination comprises a placenta module, a fetal membrane module and an umbilical cord module, wherein the fetal membrane module is covered outside the placenta module in a cover shape, one end of the umbilical cord module is arranged in the middle of the fetal membrane module, and the other end of the umbilical cord module extends outwards; the placenta module comprises placenta lobules and a placenta, the placenta is an oval plate made of flexible materials, one surface of the placenta plate is a fetal surface, the other surface of the placenta plate is a maternal surface, the maternal surface is exposed outside the placenta module, 18-20 placenta lobules are arranged, the placenta lobules adopt flexible round masses with different sizes, the placenta lobules are fixed on the maternal surface of the placenta in a pasting or sewing mode to completely cover the maternal surface, and the placenta lobules and the placenta are all in blood red; the fetal membrane module comprises a fetal membrane and a first blood vessel arranged below the fetal membrane, the fetal membrane is made of flexible materials, the first blood vessel positioned in the fetal membrane can be seen through the fetal membrane, the first blood vessel is arranged on the fetal membrane in a net shape and positioned between the fetal face and the fetal membrane, and the first blood vessel is made of blue flexible materials; the umbilical cord module comprises a wrapping layer and three second blood vessels arranged in the wrapping layer, the color of each of the three second blood vessels is two blue and one red, two blue colors are wound around the spiral trend of the red color, the first blood vessel is gathered on the second blood vessel, one end of the wrapping layer is arranged in the middle of the fetal membrane, and the wrapping layer and the second blood vessels are made of flexible materials.
Preferably, the placenta and the placenta lobules are made of gauze, at most two placenta lobules are adhered to the placenta by a quick adhering device, and the rest placenta lobules are sewn on the placenta.
Preferably, the quick-attaching device is a magnetic hidden button or a magic tape.
More preferably, the fetal membrane is made of gauze, the first blood vessel is made of blue cotton threads and has thick and thin parts, the first blood vessel is sewn on the fetal membrane, and the fetal membrane is sewn on the edge of the placenta maternal surface.
More preferably, the side surface of the fetal membrane is provided with a small hole, the small hole fetal membrane capable of covering the small hole is sewn or adhered in a mode in the small hole, and the small pieces of fetal membrane are positioned above the mother surface of the placenta and are not connected with the placenta.
Further preferably, the wrapping layer is composed of multiple layers of gauze, the second blood vessel is made of red or blue cotton threads, the middle of the wrapping layer is at least provided with an opening, and the opening is provided with a quick sealing device.
Further preferably, the opening adopts horizontal opening, quick closing device includes the cover plate and designs at the cover plate and be close to the magic subsides or the magnetic hidden buckle of taking of parcel layer opening part, the cover plate passes through the magic subsides or the magnetic hidden buckle of taking pastes tightly on the parcel layer.
More preferably, the placenta lobules, the first blood vessel and the second blood vessel are all dyed by non-fading dyes.
The invention has the beneficial effects that:
(1) the placenta model provided by the invention is similar to a real placenta, can be used for teaching demonstration, and is convenient for students to know the placenta by straight pipes;
(2) the placenta model provided by the invention adopts flexible materials, can simulate the process of true placenta delivering from the uterine cavity, and can be used for practical examination of clinical medicine or midwifery specialty.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a rear view of fig. 1.
Detailed Description
The invention will be further illustrated by the following examples in conjunction with the accompanying drawings:
referring to fig. 1-2, a placenta model for teaching demonstration and practice test mainly comprises a placenta module, a fetal membrane module and an umbilical cord module, wherein the fetal membrane module is covered outside the placenta module in a cover shape.
The placenta module mainly comprises placenta lobules 1 and placenta 2, the placenta 2 is an oval plate made of flexible materials, one surface is a fetal surface, the other surface is a maternal surface, the number of the placenta lobules 1 is 18-20, the placenta lobules 1 adopt flexible round masses with different sizes, the placenta lobules 1 are fixed on the maternal surface of the placenta in a pasting or sewing mode to completely cover the maternal surface, and the placenta lobules 1 and the placenta 2 are all in blood red;
the fetal membrane module mainly comprises a fetal membrane 3 and a first blood vessel 4 arranged below the fetal membrane, wherein the fetal membrane 3 is made of flexible materials, the first blood vessel 4 positioned in the fetal membrane can be seen through the fetal membrane 3, the first blood vessel 4 is arranged on the fetal membrane 3 in a net shape and positioned between the fetal face and the fetal membrane 3, and the first blood vessel 4 is made of blue flexible materials.
The umbilical cord module mainly comprises a wrapping layer 5 and three second blood vessels 6 arranged in the wrapping layer, the three second blood vessels 6 are in two-blue-one-red color, two blue colors are wound around the red spiral trend, the first blood vessel 4 is gathered on the second blood vessels 6, one end of the wrapping layer 5 is arranged in the middle of the fetal membrane 3, and the wrapping layer 5 and the second blood vessels 6 are both made of flexible materials.
Preferably, the placenta 2 and the placenta leaflets 1 are made of gauze, at most two placenta leaflets 1 are adhered to the placenta 2 by a quick adhering device, and the other placenta leaflets 1 are sewn to the placenta 2. At most two placenta leaflets 1 are stuck on the placenta 2 in a sticking way, so that the condition that the placenta leaflets 1 fall off when the placenta is delivered actually can be simulated, and a student can remember to check the placenta leaflets after the placenta is delivered.
Preferably, the quick-attaching means is a magnetic snap or hook and loop fastener.
Preferably, the fetal membrane 3 is made of gauze, the first blood vessel 4 is made of blue cotton thread and has a thickness, the first blood vessel 4 is sewn on the fetal membrane 3, and the fetal membrane 3 is sewn on the edge of the maternal surface of the placenta 2. The first blood vessel 4 has a larger or smaller diameter, so that the simulation effect is better.
Preferably, the side surface of the fetal membrane 3 is provided with small holes, small-hole fetal membranes capable of covering the small holes are sewn or adhered in a mode by thin lines, and the small pieces of fetal membranes are positioned above the maternal surface of the placenta 2 and are not connected with the placenta 2. The condition that the fetal membrane 3 that appears when can simulate actual placenta delivery drops, the student of being convenient for remembers after the placenta delivery, examines fetal membrane 3.
Preferably, the wrapping layer 5 is composed of multiple layers of gauze, the second blood vessel 6 is made of red or blue cotton threads, the middle part of the wrapping layer 5 is at least provided with an opening, and the opening is provided with a quick sealing device. The teacher can conveniently open the opening in advance, then the second blood vessel 6 is simulated to be the umbilical cord true knot or the false knot, the student can conveniently identify the true knot or the false knot, and the student can know how to deal with the occurrence of the umbilical cord true knot or the false knot.
Preferably, the opening adopts horizontal opening, and quick closing device includes the cover plate and designs at the cover plate and be close to the magic subsides or the magnetic hidden buckle of taking of parcel layer 5 opening part, and the cover plate passes through the magic and pastes or the magnetic hidden buckle of taking pastes tightly on parcel layer 5, and horizontal opening is convenient for quick closing device's setting.
Preferably, the placenta 2, the placenta lobules 1, the first blood vessel 4 and the second blood vessel 6 are dyed by non-fading dyes, so that the placenta is not faded when being cleaned, and the placenta does not need to be colored again when being repeatedly used.

Claims (8)

1. A placenta model for teaching demonstration and practice examination is characterized in that: the device comprises a placenta module, a fetal membrane module and an umbilical cord module, wherein the fetal membrane module covers the placenta module in a cover shape, one end of the umbilical cord module is arranged in the middle of the fetal membrane module, and the other end of the umbilical cord module extends outwards;
the placenta module comprises placenta lobules (1) and a placenta (2), the placenta (2) is an oval plate made of flexible materials, one surface of the plate is a fetal surface, the other surface of the plate is a maternal surface, the maternal surface is exposed outside the placenta module, 18-20 placenta lobules (1) are arranged, the placenta lobules (1) adopt flexible round masses with different sizes, the placenta lobules (1) are fixed on the maternal surface of the placenta in a pasting or sewing mode to completely cover the maternal surface, and the placenta lobules (1) and the placenta (2) are all reddish blood;
the fetal membrane module comprises a fetal membrane (3) and a first blood vessel (4) arranged below the fetal membrane (3), the fetal membrane (3) is made of flexible materials, the first blood vessel (4) positioned in the fetal membrane can be seen through the fetal membrane (3), the first blood vessel (4) is arranged on the fetal membrane (3) in a net shape and positioned between the fetal face and the fetal membrane (3), and the first blood vessel (4) is made of blue flexible materials;
the umbilical cord module comprises a wrapping layer (5) and three second blood vessels (6) arranged in the wrapping layer, the color of each second blood vessel (6) is two blue and red, two blue spiral trends are wound around the red, the first blood vessel (4) is gathered on the second blood vessels (6), one end of the wrapping layer (5) is arranged in the middle of the fetal membrane (3), and the wrapping layer (5) and the second blood vessels (6) are made of flexible materials.
2. The placental model for educational demonstration and performance assessment according to claim 1, wherein: the placenta (2) and the placenta leaflets (1) are made of gauze, at most two placenta leaflets (1) are adhered to the placenta (2) through a quick adhering device, and the rest placenta leaflets (1) are sewn on the placenta (2).
3. The placental model for educational demonstration and performance assessment according to claim 2, wherein: the quick pasting device adopts a hidden button with magnetism or a magic tape.
4. The placental model for educational demonstration and performance assessment according to claim 1, wherein: the fetal membrane (3) is made of gauze, the first blood vessel (4) adopts blue cotton threads and has thickness, the first blood vessel (4) is sewn on the fetal membrane (3), and the fetal membrane (3) is sewn on the edge of the maternal surface of the placenta (2).
5. The placental model for educational demonstration and performance assessment according to claim 4, wherein: the side of the fetal membrane (3) is provided with a small hole, the small hole fetal membrane capable of covering the small hole is sewn or adhered in a mode by a thin line in the small hole, and the small pieces of fetal membrane are positioned above the mother body surface of the placenta (2) and are not connected with the placenta (2).
6. The placental model for educational demonstration and performance assessment according to claim 1, wherein: parcel layer (5) adopt the multilayer gauze to constitute, second blood vessel (6) adopt red or blue cotton thread, the middle part of parcel layer (5) is provided with an opening at least, and the opening part is provided with quick closing device.
7. The placental model for educational demonstration and performance assessment according to claim 6, wherein: the opening adopts horizontal opening, quick closing device includes the cover plate and designs at the cover plate and be close to the magic subsides or the magnetic hidden buckle of taking of parcel layer (5) opening part, the cover plate passes through the magic and pastes or the magnetic hidden buckle of taking pastes tightly on parcel layer (5).
8. The placental model for educational demonstration and performance assessment according to claim 1, wherein: the placenta (2), the placenta lobules (1), the first blood vessel (4) and the second blood vessel (6) are dyed by non-fading dyes.
CN202011281805.XA 2020-11-17 2020-11-17 Placenta model for teaching demonstration and practical operation examination Pending CN112331013A (en)

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Application Number Priority Date Filing Date Title
CN202011281805.XA CN112331013A (en) 2020-11-17 2020-11-17 Placenta model for teaching demonstration and practical operation examination

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Application Number Priority Date Filing Date Title
CN202011281805.XA CN112331013A (en) 2020-11-17 2020-11-17 Placenta model for teaching demonstration and practical operation examination

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CN112331013A true CN112331013A (en) 2021-02-05

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CN202011281805.XA Pending CN112331013A (en) 2020-11-17 2020-11-17 Placenta model for teaching demonstration and practical operation examination

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112885218A (en) * 2021-04-08 2021-06-01 漳州卫生职业学院 Placenta teaching model

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112885218A (en) * 2021-04-08 2021-06-01 漳州卫生职业学院 Placenta teaching model

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