The nursing model of fistula stomy plays an important role in teaching evaluation. It provides a practical operation platform for students by simulating the real clinical environment, and also provides a scientific and objective basis for teaching evaluation. The following are some aspects of how to support teaching assessment effectively:

1. Standardized operation demonstration

The nursing model of fistula stomy has a highly simulated anatomical structure and tactile feel, which can truly reproduce the morphology of fistula stomy and its surrounding tissue. In the teaching process, teachers can conduct standardized operation demonstration through the model, show the correct nursing steps and skills, and ensure that students receive unified and standardized teaching information.

2. Students' practical operation and feedback

Students can perform practical exercises on the model, such as stomostomy irrigation, installation of care stool bags, enema, etc. Through practical operation, students can deepen their understanding of theoretical knowledge and master practical operation skills. At the same time, teachers can observe the students' operation process, give timely guidance and feedback, correct mistakes, and improve the students' operation level.

3. Objective evaluation of indicators

The nursing model of fistula stomy supports the setting of objective evaluation indicators, such as operation time, procedure integrity, and error rate during operation. These indicators can quantitatively reflect the students' operation level and skill mastery, and provide scientific basis for teaching evaluation. According to the evaluation results, teachers can objectively evaluate the learning effect of students and adjust the teaching strategies and methods in time.

4. Automated Evaluation System (optional)

Some advanced fistula care models are also equipped with automated evaluation systems. The system can record the student's operation process in real time, and analyze and score the student's operation through the preset evaluation algorithm. This automatic evaluation method not only improves the efficiency and accuracy of the evaluation, but also reduces the work burden of teachers, making the teaching evaluation more objective and just.

5. Continuous improvement and feedback loops

Through the teaching evaluation of fistula nursing model, teachers can find the problems and deficiencies in teaching in time, and make continuous improvement accordingly. At the same time, students can also understand their shortcomings and areas for improvement through assessment, so as to strengthen their learning and practice. This continuous improvement and feedback loop helps to improve the quality of teaching and students' learning. 

In summary, the fistula stomy nursing model effectively supports the teaching evaluation through standardized operation demonstration, trainees' practical operation and feedback, objective evaluation indicators, automatic evaluation system (optional), continuous improvement and feedback loop, etc., and provides a strong guarantee for training high-quality nursing talents.