Incubator Hood Positioning for Continuous Infrared Heating
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Solution Overview
Problem
Existing thermotherapy devices for newborns face challenges in maintaining continuous heat radiation while the hood is moved between closed and open positions, often requiring expensive IR-transparent materials and complex mechanics, and may not allow simultaneous heating of the hood or efficient heat transfer.
Innovation Solution
The hood is suspended from the support structure to move outside the radiation cone of the radiant heater, eliminating the need for IR-transparent materials and allowing the radiant heater to operate in both hood positions, with a coupling mechanism using rocker arms or a chain/toothed belt drive for smooth movement, and optional spring/absorber mechanisms for easy operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the hood is made IR-transparent to allow heat radiation through it, then continuous heating can be maintained, but the material cost increases significantly and integration becomes difficult
Solution Approach 1:
The invention extracts the hood from the radiation path of the heater. By suspending the hood from the support structure so that it lies outside the radiation cone when open, the hood no longer needs to be IR-transparent. The heater radiates directly onto the reclining surface without the hood interfering, eliminating the need for expensive IR-transparent materials while maintaining continuous heating capability.
2Adaptability or versatility
If the radiant heater is integrated within the hood, then the heater can be moved with the hood, but the heater must be switched off during hood movement for safety, interrupting the heating process
Solution Approach 1:
The invention extracts the heater from the hood structure and mounts it independently on the support structure. This allows the heater to remain stationary and operational while the hood moves freely between closed and open positions. The heater can maintain continuous operation without safety interruptions because it is no longer integrated within the moving hood.
Solution Approach 2:
The heater can be switched on in advance before the hood is opened and allowed to reach operating temperature while the hood is still closed. This preliminary heating action ensures that when the hood is opened, the heater is already at full operating temperature and can immediately provide the required heat without interruption.
3Ease of operation
If the hood is swung backwards out of the way, then access to the patient is improved, but the radiant heater must be arranged at considerable height, affecting mechanical stability and transportability
Solution Approach 1:
Instead of swinging the hood backwards horizontally, the invention moves the hood into a different spatial dimension by suspending it from the support structure. The hood is positioned to lie outside the radiation cone while maintaining a compact vertical arrangement. This dimensional change allows good patient access without requiring the heater to be positioned at considerable heights, thereby maintaining mechanical stability and ease of transport.
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
Enables continuous heat radiation to the reclining surface with improved accessibility and reduced mechanical complexity, allowing the radiant heater to reach operating temperature before hood opening, thus ensuring consistent heat supply to the newborn.
Implementation Method 1
a radiant heater suspended from a support structure, directed toward the reclining surface
Implementation Method 2
the hood to be suspended from the support structure, such that, after moving from the closed position into the open position, it lies with its end facing toward the support structure vertically at least at the height of the radiant heater and horizontally further removed from the support structure than this
Data Source
AI summary
A heat therapy device, in particular an incubator, for treating newborn children, has a bordered lying surface (4) freely accessible from above for accommodating a newborn child. A hood (18) can be moved between a closed position in which the bordered lying surface (4) is covered and an open exposed bordered lying surface position. A radiation heater (16) is suspended from a support structure (8) and is directed at the surface (4), in such a way that, after the movement from the closed position to the open position, the end (18b) of the hood facing the support structure (8) lies vertically at least at the height of the radiation heater (16) and lies horizontally further from the support structure (8) than the radiation heater, such that the hood (18) assumes a position outside of a radiation cone (16a) from the radiation heater (16) onto the lying surface (4).