Ventilator Bellows Mechanism for Simplified Manufacturing
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Ventilators are complex devices that pose challenges in training and manufacturing due to their mechanical, electrical, and software components, making them difficult to operate and produce, especially with supply chain issues and expensive materials.
Innovation Solution
A ventilator design featuring an adjustable inspiratory circuit with a bellows and expiratory circuit, a control module to manage breaths and volume, a UV light disinfectant chamber, and an alarm system, along with a rotating cam and cam follower to control the bellows' movement, housed in a protective casing with intuitive controls.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If complex mechanical, electrical, and software components are used in ventilators, then the ventilator can provide precise control and monitoring functions, but the device complexity increases making it difficult to train operators and manufacture
Solution Approach 1:
The patent extracts and removes complex electronic control systems, software components, and sophisticated mechanical assemblies from the ventilator design. By taking out these complex elements and replacing them with simple mechanical components like bellows, valves, and cam mechanisms, the invention achieves reliable breath delivery while dramatically reducing device complexity and making it easier to manufacture and operate
Solution Approach 2:
The patent employs simple, inexpensive mechanical components that can be easily manufactured and replaced if needed. The use of basic materials and straightforward assembly methods allows for rapid production and potential disposable components, reducing the need for complex maintenance and training
2Reliability
If precise engineering and assembly are implemented to ensure proper functioning, then the ventilator reliability improves, but the manufacturing time and cost increase
Solution Approach 1:
The ventilator is divided into distinct functional modules (inspiratory bellows assembly, expiratory valve assembly, control mechanism) that can be manufactured separately and assembled through straightforward connections. This segmentation allows for simplified production processes, reduced assembly complexity, and faster manufacturing while maintaining reliable function of each component
Solution Approach 2:
The patent replaces complex electronic control systems with simple mechanical mechanisms such as cam-follower systems and spring-loaded valves. This substitution eliminates the need for precise electronic assembly and calibration, allowing for faster manufacturing using traditional mechanical fabrication methods while ensuring reliable operation through mechanical design
3Strength
If complex materials are used to produce components, then the ventilator durability and performance improve, but the supply chain issues and cost increase
Solution Approach 1:
The patent uses uniform, standard materials throughout the ventilator construction, such as common plastics, metals, and rubber compounds that are readily available through standard supply chains. This homogeneity in material selection simplifies procurement, reduces dependency on specialized materials, and maintains adequate durability without increasing cost or manufacturing difficulty
Solution Approach 2:
The ventilator employs inexpensive, easily manufactured materials that can be produced through standard manufacturing processes. While individual components may have limited lifetimes, their low cost and ease of replacement mean that durability is maintained through simple replacement rather than requiring expensive, complex materials
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The ventilator simplifies operation and reduces manufacturing complexity, ensuring effective air supply and disinfection while being cost-effective and easier to manufacture, with a straightforward training process and reduced reliance on complex electronics.
Implementation Method 1
the expiratory circuit comprises a disinfectant chamber positioned downstream from the inlet port and upstream from the discharge port with the disinfectant chamber comprising a light source that emits UV light
Data Source
AI summary
A ventilator that moves breathable air into and out of the lungs of a patient. The ventilator includes an inspiratory circuit with an inlet, a bellows, and an outlet port for moving air into the lungs of the patient. An expiratory circuit includes an inlet port and a discharge port for moving the air out of the lungs. The inspiratory circuit is adjustable to control a number of breathes per time period and a volume of the breaths.