CN-121982962-A - Palace examination simulation teaching system

CN121982962ACN 121982962 ACN121982962 ACN 121982962ACN-121982962-A

Abstract

The invention relates to a medical simulation teaching technology, in particular to a cervical examination simulation teaching system, wherein a physical part comprises a matrix model and an interactable cervical simulation component, a data processing part comprises an intelligent control module, a teaching evaluation module and an intelligent feedback module, a visualization part comprises an AR visualization feedback module, radial pressure, axial pressure and displacement sensors of the cervical simulation component are used for synchronously collecting and warehousing palpation stress and large change of the cervical opening, the teaching evaluation module is used for automatically scoring based on standard data, an AR terminal is used for displaying a pressure threshold ring, a track guide line and judgment prompts in a superposition mode, evaluation feedback and intelligent guidance are used for generating error correction points, and reproducible training, objective examination and closed-loop promotion are realized.

Inventors

ZHANG XINXIN
WANG YUQI
LI XUANLIANG
LIU FENGSHUO
BAI YUHAN
LI JIAZHEN
YANG HANYU
ZHANG YUSHI
GUO LI

Assignees

首都医科大学

Dates

Publication Date: 20260505
Application Date: 20260302

Claims (10)

1. The uterus opening examination simulation teaching system is characterized by comprising a high-fidelity physical simulation module, a stable fixing mechanism, a multidimensional data acquisition module, an intelligent control module, a teaching evaluation module and an intelligent feedback module; The high-fidelity physical simulation module comprises a matrix model and a cervical simulation assembly, wherein the cervical simulation assembly comprises a replaceable cervical module and a variable aperture simulation mechanism; an installation cabin is arranged in the parent model, a transmission system is arranged in the installation cabin, and the transmission system is used for driving the replaceable cervical module to be alternately switched; the stable fixing mechanism is arranged in the installation cabin and comprises a pin shaft type electromagnet locking assembly, a clamping plate and a sliding block, the clamping plate is used for positioning and limiting rotation of the replaceable cervical module which is rotated in place, and the sliding block is used for connecting the replaceable cervical module; The multidimensional data acquisition module at least comprises a plurality of radial pressure sensors, an axial pressure sensor and a displacement sensor, wherein the radial pressure sensors are used for detecting radial stress of each corner area at the periphery of the uterine opening, the axial pressure sensors are used for detecting axial pressure, and the displacement sensor is used for detecting diameter change of the uterine opening; The intelligent control module comprises a hardware control unit which controls the electromagnet locking assembly to change the cervical morphology; the pin shaft stretches out when the electromagnet locking assembly is electrified, and the replaceable cervical module is locked; Controlling the current of the electromagnet locking assembly to adjust the extension length of the pin shaft, wherein the larger the extension length of the pin shaft is, the larger the uterine opening is expanded; The teaching evaluation module scores and outputs a scoring result based on the acquired data of the multidimensional data acquisition module, and the intelligent feedback module outputs an improvement suggestion based on the scoring result.
2. The system according to claim 1, wherein the outer layer of the replaceable cervical module is a composite structure of medical silica gel and polyurethane elastomer, and the replaceable cervical module with different hardness and rebound characteristics is replaced to simulate different cervical states.
3. The system of claim 1, wherein the mounting compartment comprises a lower fixed plate and an upper fixed plate, and wherein the transmission system and the cervical simulator assembly are disposed within the mounting compartment.
4. A cervical inspection simulation teaching system according to claim 3 and characterized in that the transmission system comprises a plurality of gears and an adjustment wheel, rotation of the adjustment wheel driving rotation of the gears to effect a rotational switching of the replaceable cervical module.
5. The system according to claim 1, wherein the clamping plate is arranged at the rear part of the replaceable cervical module, the clamping plate is provided with a sliding groove, the sliding block is circumferentially arranged in the sliding groove and can be expanded outwards, and the replaceable cervical module is fixed on the sliding block, so that the outer diameter of the replaceable cervical module is increased when the inner diameter of the replaceable cervical module is expanded, and the replaceable cervical module is fixed without shaking.
6. The cervical inspection simulation teaching system according to claim 1, wherein the electromagnet locking assembly is a servo-controllable pin electromagnet, the pin is ejected and inserted into the clamping plate and locked to the replaceable cervical module after power is applied, and the pin is retracted to release the replaceable cervical module after power is applied.
7. The system for simulating and teaching the examination of the uterine opening according to claim 1, wherein the radial pressure sensors are uniformly distributed along the circumferential direction of the uterine opening and respectively correspond to different fixed angle areas, and the axial pressure sensors are arranged at the top end of a cervical canal or at stress points of a simulated fornix.
8. The system according to claim 1, wherein the hardware control unit samples, filters, calibrates and synchronizes the acquired data of the multi-dimensional data acquisition module, and uses the processed data for calculation of the degree of opening of the uterine cavity and palpation behavior evaluation.
9. The system according to claim 1, wherein the teaching and evaluation module is provided with an evaluation standard library, and the evaluation dimension at least comprises one of cervical state, cervical opening degree, palpation and knock force, threshold, diagnosis time consumption and effective operation, and outputs a corresponding evaluation conclusion.
10. The system according to claim 1, further comprising a visual feedback module and an intelligent guidance module, wherein the visual feedback module comprises a display terminal and a virtual model generation unit, the virtual model generation unit generates visual contents based on a comparison result of standard operation data and actual operation data and displays the visual contents in a superposition manner by the display terminal, and the intelligent guidance module generates operation guidance information based on the comparison result and outputs the operation guidance information in a text, voice or virtual guide line.

Description

Palace examination simulation teaching system Technical Field The invention relates to the field of medical simulation teaching, in particular to a high-fidelity simulation teaching system for uterine opening expansion examination (gynaecology and obstetrics) with real-time storage, AR visual enhanced feedback and reverse operation guidance of real-time operation data. Background The teaching mode of the cervical dilation examination is mostly dependent on theoretical teaching, video/clinical observation and static model demonstration, so that the cervical dilation examination can be observed but cannot be practiced, meanwhile, the static model can only usually show a single cervical state and a fixed cervical form, the dynamic dilation process from one finger to ten fingers of the first labor process and the cervical difference under different clinical scenes are difficult to restore, and part of simulation equipment has the problems that the modules are unstable to fix, the operation is easy to shake, the hand feeling is distorted, the sensing dimension is single, the real operation details are difficult to capture, and the model cannot be dynamically changed. Moreover, the evaluation of the existing simulation teaching is based on subjective judgment of teachers, data acquisition and retention of the operation process of students are lacked, feedback is often lagged and is not systematic, key data formed in the teaching process is often lacked in structural retention and traceable recording, the students are difficult to review and review based on historical data after class, standard actions cannot be contrasted, error reasons are positioned and improved continuously, training of the students is caused to stay in simple repetition, and the improvement efficiency is low. In addition, the teaching scheme applying the AR also often stays at an anatomical display or composite presentation level, cannot directly guide practice, cannot utilize actual operation data to act on AR visual enhancement feedback and accurate operation guidance, and therefore, a learner is difficult to accurately judge the size of the cervical dilation and cannot distinguish the cervical state. Disclosure of Invention The invention aims to provide a simulation teaching system for checking uterine openings, which aims to solve the technical problems. The invention provides a palace examination simulation teaching system, which comprises a high-fidelity physical simulation module, a stable fixing mechanism, a multidimensional data acquisition module, an intelligent control module, a teaching evaluation module and an intelligent feedback module; The high-fidelity physical simulation module comprises a matrix model and a cervical simulation assembly, wherein the cervical simulation assembly comprises a replaceable cervical module and a variable aperture simulation mechanism; an installation cabin is arranged in the parent model, a transmission system is arranged in the installation cabin, and the transmission system is used for driving the replaceable cervical module to be alternately switched; the stable fixing mechanism is arranged in the installation cabin and comprises a pin shaft type electromagnet locking assembly, a clamping plate and a sliding block, the clamping plate is used for positioning and limiting rotation of the replaceable cervical module which is rotated in place, and the sliding block is used for connecting the replaceable cervical module; The multidimensional data acquisition module at least comprises a plurality of radial pressure sensors, an axial pressure sensor and a displacement sensor, wherein the radial pressure sensors are used for detecting radial stress of each corner area at the periphery of the uterine opening, the axial pressure sensors are used for detecting axial pressure, and the displacement sensor is used for detecting diameter change of the uterine opening; The intelligent control module comprises a hardware control unit which controls the electromagnet locking assembly to change the cervical morphology; the pin shaft stretches out when the electromagnet locking assembly is electrified, and the replaceable cervical module is locked; Controlling the current of the electromagnet locking assembly to adjust the extension length of the pin shaft, wherein the larger the extension length of the pin shaft is, the larger the uterine opening is expanded; The teaching evaluation module scores and outputs a scoring result based on the acquired data of the multidimensional data acquisition module, and the intelligent feedback module outputs an improvement suggestion based on the scoring result. Furthermore, the outer layer of the replaceable cervical module is of a composite structure of medical silica gel and polyurethane elastomer, and the replaceable cervical with different hardness and rebound characteristics is replaced to simulate different cervical states. Further, the installation cabin comprises a lowe