1. Clinical palpation and fetal heart auscultation teaching system of interactive sense of touch feedback, its characterized in that includes:

the 3D model processing module is used for converting real-time dynamics of a simulated pregnant woman into a 3D digital signal, the 3D model processing module comprises an acquisition unit and a 3D modeling unit, a signal input end of the acquisition unit is electrically connected with a signal output end of the simulated pregnant woman through a serial port, a signal output end of the acquisition unit is electrically connected with an analog/digital conversion unit, a signal output end of the analog/digital conversion unit is electrically connected with a 3D data calculation processing unit, and a signal output end of the 3D data calculation processing unit is electrically connected with a signal input end of the 3D modeling unit;

a display module for displaying the 3D modeling unit to form a 3D model;

the question bank management module is used for adding, deleting, modifying and looking up questions of the question bank;

the teaching module is used for teaching daily practice of students, all questions used for practice are called from the question bank management module, and relevant prompts are given to the corresponding questions after the students answer the wrong questions;

the examination module is used for enabling a teacher to log in the system and conduct examination on line after the teacher generates examination paper, and comprises a teacher examination unit and a student examination unit;

the teacher examination unit comprises a test paper management unit and a teacher score management unit, the test paper management unit is used for adding examination questions required in the question bank management module into the test paper management unit one by one and generating examination papers, and the score management unit is used for checking and exporting scores of students taking examinations;

the student assessment unit is used for on-line answering after a student logs in the system, and checking the score of the student through the student score management unit after answering;

the control module is used for controlling the simulated pregnant woman to change the corresponding body position according to the corresponding question when the teaching module is used or the examination module is used, and simultaneously controlling the display module to display a 3D model formed by the 3D modeling unit;

the system setting module comprises a teacher system setting unit and a student system setting unit;

the teacher system setting module comprises an account management unit and an authority management unit, wherein the account management unit is used for teachers to add, modify and delete student information under a college to which the teachers belong, and specifically comprises account name modification and password resetting, and the authority management module is used for limiting the login time of students and limiting the corresponding accounts to log in the system;

the student system setting unit is used for students to modify passwords and check personal information.

2. The interactive tactile feedback clinical palpation and fetal heart auscultation teaching system according to claim 1, wherein said account management unit further comprises a batch import unit for importing trainees 'information in batch and a batch modification unit for modifying trainees' information in batch.

3. The interactive tactile feedback clinical palpation and fetal heart auscultation teaching system according to claim 1, wherein said authority management module further comprises a batch modification unit, said batch modification unit is used for batch operation of login authority of multiple students.

4. The interactive tactile feedback clinical palpation and fetal heart auscultation teaching system of claim 1, wherein said serial port is configured as a CH341SER communication serial port.

5. The interactive tactile feedback clinical palpation and fetal heart auscultation teaching system of claim 4, wherein said control module is connected to a database through a communication module, said database storing sounds for auscultation, wherein the sounds are of the type uterine murmurs, sounds of gastrointestinal motility, abdominal aorta murs, and umbilical cord murs.

6. The interactive tactile feedback clinical palpation and fetal heart auscultation teaching system of claim 5, wherein said control module controls a simulated infant in said simulated pregnant woman to adjust six fetal orientations of occipital left anterior, occipital right anterior, occipital left lateral, occipital right lateral, sacral left anterior, sacral right anterior.

7. The interactive touch feedback clinical palpation and fetal heart auscultation teaching method is characterized by comprising the following steps of:

s1, the teacher enters the system by inputting the account number and the password;

s2, adding student information in a manual input or batch import mode;

s3, the student enters the system by inputting an account number and a password;

s4, the teacher opens the teaching module and introduces the required teaching questions from the question bank management module;

s5, checking whether the connection between the simulated pregnant woman and the serial port is normal or not, and resetting the simulated pregnant woman;

s6, enabling the students to enter a teaching module for learning;

s7, when the student finishes the study work, the teacher opens the examination module to introduce the questions to be examined from the question bank management module, and the examination paper is generated through the examination paper management unit;

s8, the students open the student assessment units for online assessment, and after the assessment is completed, the students can check the scores through the student score management units.

8. The interactive tactile feedback clinical palpation and fetal heart auscultation teaching method of claim 7, wherein said step S8 comprises the steps of:

s9, visual diagnosis, wherein different pregnant woman models are selected through selection of subjects, the pregnant woman models mainly comprise pregnant striae gravidarum pregnant woman abdomens, operation scar pregnant woman abdomens, pregnant woman abdomens with overlarge abdomens, pregnant woman abdomens with undersized abdomens, pointy abdomens and pendulous abdomens, the selection is prompted to be reselected when the selection is wrong, and the next step is carried out and scoring is carried out when the selection is correct;

s10, performing four palpation steps, wherein the four palpation steps comprise four steps, namely, the first step of pressing the uterine fundus, the second step of pressing the abdomen, the third step of pressing the pubic symphysis and the fourth step of pressing the pubic symphysis, each step can judge whether the pressing position is correct, the palpation animation is played and a question is answered after the pressing is correct, and if the pressing is incorrect, a warning prompt interface appears and the score is scored;

s11, judging the orientation of the fetus, wherein the orientation of the fetus needs to be judged after the step S10 is completed, and if the judgment is correct, a whole perspective simulation fetus model simulating the interior of the pregnant woman appears and scores are given;

s12, auscultating the fetal heart, auscultating the position of the fetal heart to be changed differently according to different fetal orientations, and providing auscultation positions of four kinds of noise, including four kinds of noise including uterine noise, sounds of gastrointestinal peristalsis, abdominal aorta noise and umbilical cord noise.

9. The interactive tactile feedback clinical palpation and fetal heart auscultation teaching method of claim 8, wherein each step of the steps S8, S9, S10 is followed by a question after the correct operation, and when all questions are answered, the model perspective display of the step is followed, and if the answer is wrong, the correct choice is highlighted twice, and only the first answer is correct, there is a score.

Background

In the teaching of obstetrical department, four palpation and fetal heart auscultation are difficult teaching, which is mainly because the theoretical knowledge of the four palpation and fetal heart auscultation teaching relates to multiple disciplines such as geometric principle, mechanical principle, medical principle and the like, and the four palpation teaching has strong technical operability, so the four palpation teaching is difficult to implement, and is especially important for the teaching of the four palpation in clinical teaching, which plays an important role in checking whether the fetus is abnormal and the delivery smoothness, therefore the teaching of the four palpation is strengthened, and in the past clinical teaching, the traditional teaching mode is mainly developed, and the teaching effect of the four palpation and fetal heart auscultation is poor due to the lack of corresponding operation skill teaching.

Disclosure of Invention

The technical task of the invention is to provide a clinical palpation and fetal heart auscultation teaching system and method with interactive tactile feedback to solve the above problems.

The technical scheme of the invention is realized as follows:

the invention provides an interactive touch feedback clinical palpation and fetal heart auscultation teaching system, which comprises a 3D model processing module, wherein the 3D model processing module is used for converting real-time dynamics of a simulated pregnant woman into a 3D digital signal, the 3D model processing module comprises an acquisition unit and a 3D modeling unit, the signal input end of the acquisition unit is electrically connected with the signal output end of the simulated pregnant woman through a serial port, the signal output end of the acquisition unit is electrically connected with an analog-to-digital conversion unit, the signal output end of the analog-to-digital conversion unit is electrically connected with a 3D data calculation processing unit, and the signal output end of the 3D data calculation processing unit is electrically connected with the signal input end of the 3D modeling unit;

a display module for displaying the 3D modeling unit to form a 3D model;

the question bank management module is used for adding, deleting, modifying and looking up questions of the question bank;

the teaching module is used for teaching daily practice of students, all questions used for practice are called from the question bank management module, and relevant prompts are given to the corresponding questions after the students answer the wrong questions;

the examination module is used for enabling a teacher to log in the system and conduct examination on line after the teacher generates examination paper, and comprises a teacher examination unit and a student examination unit;

the teacher examination unit comprises a test paper management unit and a teacher score management unit, the test paper management unit is used for adding examination questions required in the question bank management module into the test paper management unit one by one and generating examination papers, and the score management unit is used for checking and exporting scores of students taking examinations;

the student assessment unit is used for on-line answering after a student logs in the system, and checking the score of the student through the student score management unit after answering;

the control module is used for controlling the simulated pregnant woman to change the corresponding body position according to the corresponding question when the teaching module is used or the examination module is used, and simultaneously controlling the display module to display a 3D model formed by the 3D modeling unit;

the system setting module comprises a teacher system setting unit and a student system setting unit;

the teacher system setting module comprises an account management unit and an authority management unit, wherein the account management unit is used for teachers to add, modify and delete student information under a college to which the teachers belong, and specifically comprises account name modification and password resetting, and the authority management module is used for limiting the login time of students and limiting the corresponding accounts to log in the system;

the student system setting unit is used for students to modify passwords and check personal information.

Preferably, a batch import unit and a batch modification unit are further arranged in the account management unit, the batch import unit is used for importing the information of the students in batches, and the batch modification unit is used for modifying the information of the students in batches.

Preferably, the authority management module is further provided with a batch modification unit, and the batch setting unit is used for performing batch operation on the login authorities of the plurality of students.

Preferably, the serial port is set as a CH341SER communication serial port.

Preferably, the control module is connected with a database through a communication module, and sounds played during auscultation are stored in the database, wherein the played sounds are uterine noise, enterogastric peristalsis sounds, abdominal aorta noise and umbilical cord noise.

Preferably, the control module controls the simulation baby in the simulation pregnant woman to adjust six fetal positions of left front pillow, right front pillow, left transverse pillow, right transverse pillow, left front sacrum and right front sacrum.

The invention also provides a clinical palpation and fetal heart auscultation teaching method based on interactive tactile feedback, which comprises the following steps:

s1, the teacher enters the system by inputting the account number and the password;

s2, adding student information in a manual input or batch import mode;

s3, the student enters the system by inputting an account number and a password;

s4, the teacher opens the teaching module and introduces the required teaching questions from the question bank management module;

s5, checking whether the connection between the simulated pregnant woman and the serial port is normal or not, and resetting the simulated pregnant woman

S6, enabling the students to enter a teaching module for learning;

s7, when the student finishes the study work, the teacher opens the examination module to introduce the questions to be examined from the question bank management module, and the examination paper is generated through the examination paper management unit;

s8, the students open the student assessment units for online assessment, and after the assessment is completed, the students can check the scores through the student score management units.

Preferably, the step S8 includes the steps of:

s9, visual diagnosis, wherein different pregnant woman models are selected through selection of subjects, the pregnant woman models mainly comprise pregnant striae gravidarum pregnant woman abdomens, operation scar pregnant woman abdomens, pregnant woman abdomens with overlarge abdomens, pregnant woman abdomens with undersized abdomens, pointy abdomens and pendulous abdomens, the selection is prompted to be reselected when the selection is wrong, and the next step is carried out and scoring is carried out when the selection is correct;

s10, performing four palpation steps, wherein the four palpation steps comprise four steps, namely, the first step of pressing the uterine fundus, the second step of pressing the abdomen, the third step of pressing the pubic symphysis and the fourth step of pressing the pubic symphysis, each step can judge whether the pressing position is correct, the palpation animation is played and a question is answered after the pressing is correct, and if the pressing is incorrect, a warning prompt interface appears and the score is scored;

s11, judging the orientation of the fetus, wherein the orientation of the fetus needs to be judged after the step S10 is completed, and if the judgment is correct, a whole perspective simulation fetus model simulating the interior of the pregnant woman appears and scores are given;

s12, auscultating the fetal heart, auscultating the position of the fetal heart to be changed differently according to different fetal orientations, and providing auscultation positions of four kinds of noise, including four kinds of noise including uterine noise, sounds of gastrointestinal peristalsis, abdominal aorta noise and umbilical cord noise.

Preferably, each operation in the steps S8, S9, S10 will generate a question after the operation is correct, when all the questions are answered, the model perspective display of the step will be generated, if the answer is wrong twice, the correct option will be highlighted, and only if the answer is correct for the first time, the score will be generated.

Compared with the prior art, the invention has the advantages and positive effects that:

the invention has convenient use and vivid teaching process, so that students can learn by various modes such as observation, touch and the like during learning, compared with the traditional teaching mode, the students can learn corresponding operating skills by actual practice, the teaching effects of four palpation and fetal heart auscultation are greatly improved, the students can examine the learning content after practice, corresponding knowledge points are answered during examination, and the student scores are recorded and scored according to the correctness of the answer, thereby improving the mastering of the students on knowledge.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic diagram of an interactive tactile feedback clinical palpation and fetal heart auscultation teaching system according to an embodiment of the invention;

FIG. 2 is a schematic diagram of the structure of a 3D model processing module of an interactive tactile feedback clinical palpation and fetal heart auscultation teaching system according to an embodiment of the invention;

FIG. 3 is a block diagram of a system setup module of an interactive tactile feedback clinical palpation and fetal heart auscultation teaching system according to an embodiment of the invention;

FIG. 4 is a schematic diagram of an assessment module of an interactive tactile feedback clinical palpation and fetal heart auscultation teaching system according to an embodiment of the invention;

FIG. 5 is a first diagram of step S5 of the interactive tactile feedback clinical palpation and fetal heart auscultation instructional method according to an embodiment of the invention;

FIG. 6 is a second drawing of step S5 of the interactive tactile feedback clinical palpation and fetal heart auscultation instructional method according to an embodiment of the invention;

FIG. 7 is a first diagram of step S1 of the interactive tactile feedback clinical palpation and fetal heart auscultation instructional method according to an embodiment of the invention;

FIG. 8 is a second drawing of step S1 of the interactive tactile feedback clinical palpation and fetal heart auscultation tutorial method according to an embodiment of the invention;

FIG. 9 is a third drawing of step S1 of the interactive tactile feedback clinical palpation and fetal heart auscultation tutorial method according to an embodiment of the invention;

FIG. 10 is a fourth drawing of step S1 of the interactive tactile feedback clinical palpation and fetal heart auscultation instructional method according to an embodiment of the invention;

FIG. 11 is a first drawing of step S2 of the interactive tactile feedback clinical palpation and fetal heart auscultation instructional method according to an embodiment of the invention;

FIG. 12 is a second drawing of step S2 of the interactive tactile feedback clinical palpation and fetal heart auscultation tutorial method according to an embodiment of the invention;

FIG. 13 is a third drawing of step S2 of the interactive tactile feedback clinical palpation and fetal heart auscultation tutorial method according to an embodiment of the invention;

FIG. 14 is a first drawing of step S7 of the interactive tactile feedback clinical palpation and fetal heart auscultation instructional method according to an embodiment of the invention;

FIG. 15 is a second drawing of step S7 of the interactive tactile feedback clinical palpation and fetal heart auscultation tutorial method according to an embodiment of the invention;

FIG. 16 is a third drawing of step S7 of the interactive tactile feedback clinical palpation and fetal heart auscultation tutorial method according to an embodiment of the invention;

FIG. 17 is a fourth drawing of step S7 of the interactive tactile feedback clinical palpation and fetal heart auscultation instructional method according to an embodiment of the invention;

FIG. 18 is a fifth drawing of step S7 of the interactive tactile feedback clinical palpation and fetal heart auscultation tutorial method according to an embodiment of the invention;

FIG. 19 is a diagram of step S9 of the interactive tactile feedback clinical palpation and fetal heart auscultation teaching method according to an embodiment of the invention;

FIG. 20 is a first drawing of step S10 of the interactive tactile feedback clinical palpation and fetal heart auscultation instructional method according to an embodiment of the invention;

FIG. 21 is a second drawing of step S10 of the interactive tactile feedback clinical palpation and fetal heart auscultation tutorial method according to an embodiment of the invention;

FIG. 22 is a third drawing of step S10 of the interactive tactile feedback clinical palpation and fetal heart auscultation tutorial method according to an embodiment of the invention;

FIG. 23 is a fourth drawing of step S10 of the interactive tactile feedback clinical palpation and fetal heart auscultation instructional method according to an embodiment of the invention;

FIG. 24 is a fifth drawing of step S10 of the interactive tactile feedback clinical palpation and fetal heart auscultation tutorial method according to an embodiment of the invention;

FIG. 25 is a first drawing of step S11 of the interactive tactile feedback clinical palpation and fetal heart auscultation instructional method according to an embodiment of the invention;

FIG. 26 is a second drawing of step S11 of the interactive tactile feedback clinical palpation and fetal heart auscultation tutorial method according to an embodiment of the invention;

FIG. 27 is a third drawing of step S11 of the interactive tactile feedback clinical palpation and fetal heart auscultation tutorial method according to an embodiment of the invention;

FIG. 28 is a first drawing of step S12 of the interactive tactile feedback clinical palpation and fetal heart auscultation tutorial method according to an embodiment of the invention;

FIG. 29 is a second drawing of step S12 of the interactive tactile feedback clinical palpation and fetal heart auscultation tutorial method according to an embodiment of the invention;

FIG. 30 is a third drawing of step S12 of the interactive tactile feedback clinical palpation and fetal heart auscultation tutorial method according to an embodiment of the invention;

FIG. 31 is a flowchart of a method for interactive tactile feedback clinical palpation and fetal heart auscultation teaching according to an embodiment of the invention;

FIG. 32 is a flowchart illustrating a clinical palpation and fetal heart auscultation teaching method with interactive tactile feedback according to an embodiment of the invention.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

The invention is further described with reference to the following figures and specific examples.

Example 1

As shown in fig. 1-4, the interactive tactile feedback clinical palpation and fetal heart auscultation teaching system according to the embodiment of the invention is composed of a 3D model processing module, a display module, a question bank management module, a teaching module, an examination module, a control module and a system setting module;

as shown in fig. 2, the 3D model processing module is used for converting real-time dynamics of a simulated pregnant woman into a 3D digital signal, the 3D model processing module is composed of an acquisition unit, an analog/digital conversion unit, a 3D data calculation processing unit and a 3D modeling unit, a signal input end of the acquisition unit is electrically connected with a signal output end of the simulated pregnant woman through a serial port, wherein the serial port is selected as a CH341SER communication serial port, a signal output end of the acquisition unit is electrically connected with a signal input end of the analog/digital conversion unit, a signal output end of the analog/digital conversion unit is electrically connected with a signal input end of the 3D data calculation processing unit, and a signal output end of the 3D data calculation processing unit is electrically connected with a signal input end of the 3D modeling unit;

as shown in fig. 1 and fig. 3, the system setting module is used for information entry, modification, deletion of login personnel and permission setting of system login, and is composed of a teacher system setting unit and a student system setting unit, an account management unit and a permission management unit are arranged in the teacher system setting module, the account management unit is used for teachers to add, modify and delete student information under a college to which the teacher belongs, the specific modification range is account name modification and password resetting, and the function is unique to the teacher system setting unit;

in order to facilitate the operation of teachers and improve the working efficiency, a batch import unit for importing information of students in batches and a batch modification unit for modifying the information of the students in batches are further arranged in the account management unit, wherein the batch import unit supports the import of EXCEL forms, the authority management module is used for limiting the login time of the students and limiting the corresponding accounts to log in the system, and the student system setting unit is used for students to modify passwords and check personal information;

as shown in fig. 1, the question bank management module is used for teachers to add, delete, modify and refer to questions in the question bank;

as shown in fig. 1, the teaching module is used for daily practice of a student during teaching, questions used for the practice are all called from the question bank management module, and relevant prompts are given to the corresponding questions after the student answers the wrong questions;

as shown in fig. 1 and 4, the examination module is used for a teacher to generate examination papers, and then a student logs in the system and performs examination online, and the examination module specifically comprises a teacher examination unit and a student examination unit, wherein the teacher examination unit comprises a test paper management unit and a teacher score management unit, the test paper management unit is used for adding examination questions required in the question bank management module into the test paper management unit one by one and generating examination papers, the score management unit is used for checking and exporting examination paper participating students, the student examination unit is used for performing online answer after the student logs in the system, and after answer is completed, the student score management unit checks the score of the student

The control module is used for controlling the simulation pregnant woman to change the corresponding body position according to the corresponding questions when a student uses the teaching module or the examination module, specifically six fetal positions including a left front occipital region, a right front occipital region, a left lateral occipital region, a right lateral occipital region, a left front sacrum region and a right front sacrum region, and controlling the display module to display a 3D model formed by the 3D modeling unit;

because different fetal positions and auscultation fetal heart positions can be changed differently, the database for storing simulated sounds is arranged and is connected with the database through the communication module control module, and the simulated sounds specifically include four sounds, namely uterine noise, enterogastric peristalsis sound, abdominal aorta noise and umbilical cord noise.

With the above device, as shown in fig. 31, the interactive tactile feedback clinical palpation and fetal heart auscultation teaching method of the present invention comprises the following steps:

s1, as shown in the figures 7-10, the teacher enters the system by inputting the account password;

s2, adding student information in a manual input or batch import mode as shown in figures 11-13;

s3, the student enters the system by inputting an account number and a password;

s4, the teacher opens the teaching module to introduce the required teaching questions from the question bank management module;

s5, as shown in fig. 5-6, checking whether the connection between the simulated pregnant woman and the serial port is normal, and resetting the simulated pregnant woman

S6, enabling the students to enter a teaching module for learning;

s7, as shown in the figures 14-18, when the student finishes the study work, the teacher opens the examination module to lead in the questions to be examined from the question bank management module, and the examination paper is generated through the examination paper management unit;

s8, the students open the student assessment units for online assessment, and after the assessment is completed, the students can check the scores through the student score management units;

as shown in fig. 32, the assessment content specifically includes the following steps:

s9, visual diagnosis, as shown in figure 19, selecting different pregnant woman models by selecting subjects, wherein the pregnant woman models mainly comprise striae gravidarum pregnant woman abdomens, operation scar pregnant woman abdomens, too large abdomen pregnant woman abdomens, too small abdomen pregnant woman abdomens, cuspate abdomens and pendulous abdomens, prompting to reselect if the selection is wrong, and entering the next step and scoring if the selection is correct;

s10, performing four-step palpation, as shown in figures 20-24, wherein the four-step palpation comprises four steps, namely, pressing the uterine fundus, pressing the abdomen, pressing the pubic symphysis, and pressing the pubic symphysis in the fourth step, wherein each step can judge whether the pressing position is correct, and after the pressing is correct, a palpation animation is played and a question is answered, and if the pressing is wrong, a warning prompt interface appears and a score is scored;

s11, judging the orientation of the fetus, as shown in the figures 25-27, judging the orientation of the fetus after the step S10 is completed, if the judgment is correct, generating a whole perspective simulation fetus model inside the simulation pregnant woman, and scoring;

s12 auscultation of fetal heart, as shown in fig. 28-30, the position of the fetal heart is auscultated differently according to different fetal orientations, and four kinds of auscultation positions of noise are provided, including four kinds of noise including uterine noise, sounds of gastrointestinal peristalsis, abdominal aorta noise, and umbilical cord noise, when the stethoscope is put to the auscultation position, different sounds are played according to different positions, and simultaneously a question is asked about what the operator is, if the answer is correctly selected, the sound animation is displayed in perspective, and scoring is performed;

in order to improve the learning efficiency of students, enhance the knowledge mastering, and enable teachers to know the knowledge mastering conditions of each student, each step of operation in the steps S8, S9 and S10 can generate question asking after the operation is correct, after all questions are answered, the model perspective display of the step can be generated, if the answer is wrong, the correct option is highlighted twice, and only if the answer is correct for the first time, the score can be obtained.

The present invention can be easily implemented by those skilled in the art from the above detailed description. It should be understood, however, that the intention is not to limit the invention to the particular embodiments described. On the basis of the disclosed embodiments, a person skilled in the art can combine different technical features at will, thereby implementing different technical solutions.