Manufacture of a Multi-Purpose Low-Cost Animal Bench-Model for Teaching Tracheostomy
May 18th, 2019
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This article illustrates every step of the manufacture of a new multi-purpose low-cost animal bench-model for subglottic airway access management. All the procedures are shown in the video. The model's realism and its suitability for training the given clinical maneuvers were assessed by independent senior otolaryngologists and anesthesiologists.
Overview
This article describes the manufacturing process of a low-cost animal bench model for teaching tracheostomy. The model's effectiveness was evaluated by experts in the field.
Key Study Components
Area of Science
- Otolaryngology
- Anesthesiology
- Medical Training
Background
- Tracheostomy is a common procedure in intensive care and emergency situations.
- There is a significant need for effective training in this procedure.
- The outcome of tracheostomy is influenced by the operator's skill level.
- Simulation and specific training are essential for improving procedural outcomes.
Purpose of Study
- To create a realistic and cost-effective training model for tracheostomy.
- To assess the model's suitability for teaching clinical maneuvers.
- To provide a resource for improving training in airway management.
Methods Used
- Manufacturing steps of the animal bench model were documented.
- Expert evaluation through questionnaires post-procedure.
- Assessment of model realism and training effectiveness.
- Video documentation of the entire process.
Main Results
- The model received positive feedback from senior otolaryngologists and anesthesiologists.
- Experts confirmed the model's realism and training value.
- Training outcomes improved with the use of the model.
- Participants felt more confident in performing tracheostomy after training.
Conclusions
- The low-cost animal bench model is effective for teaching tracheostomy.
- It enhances training and procedural outcomes in clinical settings.
- Further development and use of such models are encouraged.
Frequently Asked Questions
What is the purpose of the animal bench model?
The model is designed to teach tracheostomy procedures effectively.
Who evaluated the model?
Senior otolaryngologists and anesthesiologists assessed the model's effectiveness.
How was the model tested?
Experts completed procedures using the model and provided feedback through questionnaires.
What are the benefits of using this model?
It improves training outcomes and operator confidence in performing tracheostomy.
Is the model cost-effective?
Yes, it is designed to be low-cost while maintaining realism for training.
Can this model be used in other training scenarios?
While focused on tracheostomy, the principles of simulation can apply to other procedures.
Executive Industry Relevance
This low-cost animal bench model addresses a critical gap in procedural training for tracheostomy, a high-frequency intervention in intensive care and emergency settings. By providing a realistic, reproducible, and affordable simulation tool, it supports skill acquisition and dexterity development essential for reducing procedural variability and improving clinical outcomes. The model enables standardized training across medical education and residency programs, contributing to workforce readiness and risk mitigation in airway management.
Strategic Applications in Biopharma R&D
Early Discovery & Target Validation
- Scientific Value: Enables mechanistic understanding of airway anatomy and tissue interaction during surgical intervention.
- Operational Value: Provides a standardized biological platform for iterative technique refinement and operator assessment.
Screening & Assay Development
- Scientific Value: Facilitates development of consistent procedural models for evaluating training efficacy and skill transfer.
- Operational Value: Supports assay-like standardization through quantifiable expert feedback on realism and utility.
Translational & Preclinical Research
- Scientific Value: Bridges anatomical fidelity with clinical relevance, supporting translational validity of training interventions.
- Operational Value: Enables preclinical-style validation of simulation tools before clinical implementation.
Pipeline & Workflow Integration
The model fits within the discovery-to-translation continuum by enabling early-stage skill validation and procedural de-risking in a controlled biological system prior to clinical application.
- Discovery Biology: Supports hypothesis testing around tissue handling, suturing techniques, and anatomical navigation in a reproducible model.
- Screening: Delivers quantitative readiness assessments via expert scoring on realism (3.45/5) and training usefulness (4.75/5).
- Analytics: Generates structured feedback on procedural fidelity and educational impact for iterative model improvement.
- Translational Research: Connects simulation-based training to clinical skill transfer, supporting risk-adjusted advancement in medical education workflows.
- Enterprise Reuse: Designed for rapid, low-cost replication (15 minutes, 10€) enabling broad deployment across training sites.
Operational & Enterprise Impact
- Scientific Value: Enhances predictive confidence in operator readiness through anatomically grounded simulation.
- Operational Value: Ensures reproducibility and scalability via standardized manufacturing and minimal resource requirements.
- Strategic Value: Improves go/no-go decisions in training progression by providing objective benchmarks for skill acquisition.
- Portfolio Impact: Supports risk-adjusted prioritization of trainees based on demonstrated procedural competence in a validated model.
Implementation Considerations
- Requires basic dissection and suturing expertise with access to swine tissue and standard surgical instruments.
- Dependent on availability of biological specimens (swine upper airways, thymus, esophagus, skin) and simple materials (foam, wood tablet, sutures, ink).
- Necessitates cross-team standardization in tissue preparation and model assembly to maintain consistency across training units.
- Adaptation considerations include tissue variability across animal sources and potential need for preservative methods for extended use.
- Practical limitations include biological sourcing constraints and the need for proper handling and disposal of organic materials.
Biopharma FAQs
Why is anatomical realism important in tracheostomy training models?
Anatomical realism ensures trainees develop accurate spatial awareness and tissue handling skills, which directly translate to improved performance in clinical tracheostomy procedures.
How does independent variable isolation support model validation in procedural training?
Isolating variables such as tissue preparation and suturing technique allows consistent evaluation of training impact, enabling reliable comparison across users and sessions.
What quantitative measurements enable assessment of training model effectiveness?
Expert scoring on anatomical realism (3.45/5) and training usefulness (4.75/5) provides measurable benchmarks for model validation and iterative improvement.
Why are replication requirements critical for cross-functional training collaboration?
Replication ensures all trainees receive standardized training experiences, reducing variability in skill acquisition and supporting uniform competency assessment across teams and institutions.
What statistical analysis capabilities are needed before implementing a training model like this?
Basic descriptive statistics, such as mean scores and standard deviation from expert feedback, are sufficient to evaluate model performance and guide refinements.
