Medical Fluid Control Circuit Layout for Compact Gas Flow Feedback
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Solution Overview
Problem
Existing fluid control arrangements for medical devices, particularly those controlling gas flows for medical applications, face challenges in achieving a compact and cost-effective configuration while ensuring precise control and feedback control of fluid flows.
Innovation Solution
A fluid control arrangement featuring a fluid control circuit with a fluid channel arrangement and fluid control components, along with a control circuitry that includes electric and/or electronic components, is designed to control or feedback control gas flows in medical devices. This arrangement utilizes carrier parts with mounting and coupling surfaces to integrate fluid control components and control circuitry components, forming a compact and efficient fluid control system.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If fluid control components and control circuitry are integrated in a compact arrangement, then device size is reduced, but manufacturing complexity increases
Solution Approach 1:
The device is divided into two separate carrier parts: a first carrier part for mounting fluid control components and a second carrier part for mounting control circuitry components. This segmentation allows each carrier to be manufactured and assembled independently, reducing overall manufacturing complexity while maintaining compact integration when the carriers are connected.
Solution Approach 2:
The patent utilizes three-dimensional spatial arrangement by stacking components on opposite sides of carrier parts. Fluid control components are mounted on one side while control circuitry is mounted on the other side, effectively using vertical dimension to pack more functionality into a smaller footprint without increasing planar complexity.
2Volume of moving object
If multiple components are integrated on carrier parts, then device compactness is improved, but assembly difficulty increases
Solution Approach 1:
By separating components into two distinct carrier parts with specialized mounting surfaces, the patent simplifies the assembly process. Each carrier can be pre-assembled and tested independently before final integration, reducing the complexity of assembling all components simultaneously while achieving compact integration.
Solution Approach 2:
The carrier parts serve multiple functions: they provide structural support, mounting surfaces for components, fluid channels for gas flow, and electrical connections for control circuitry. This multi-functionality reduces the number of separate components needed, simplifying assembly while maintaining compactness.
Data Source
AI summary
A fluid control arrangement for a medical device. The fluid control arrangement has a fluid control circuit with at least one fluid control component, through which a fluid flows. For controlling the at least one fluid control component, a control circuitry with at least one electric and/or electronic component is provided. A first carrier part has a first coupling surface and a second carrier part has a second coupling surface. In the first coupling surface at least one first fluid channel cavity and/or in the second coupling surface at least one second fluid channel cavity is provided. By connecting the carrier parts with each other with facing coupling surfaces, at least one main fluid channel is formed in the area of the separating location. At the first carrier part a first mounting surface for the at least one fluid control component can be provided.