Modular Medical Headlamp Assembly with Interchangeable Modules

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Solution Overview

Problem

Medical headlamps designed for multiple purposes often compromise on single specialized functions, such as beam width adjustment, leading to reduced performance and increased costs due to the need for separate headlamp assemblies for different applications in medical settings.

Innovation Solution

A modular medical headlamp assembly with a headband subassembly, electrical network, and interchangeable headlamp modules with different intensity settings, allowing for easy switching between low, medium, and high intensity modes using a common power supply and mounting system.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a single headlamp design is used to serve multiple purposes, then cost is reduced, but performance for any single specialized purpose is diminished

Engineering Contradiction:
Improvemulti-purpose capabilityVSAvoidspecialized performance
Core Design Contradiction:
Adaptability or versatilityVSReliability

Solution Approach 1:

The headlamp system is divided into a permanent headband subassembly and interchangeable headlamp modules. Each module is a self-contained unit with its own light source and optical components, allowing the user to swap modules based on the specific medical task at hand. This segmentation enables both versatility (multiple modules for different purposes) and specialized performance (each module optimized for its specific function).

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The headband subassembly serves as a universal platform that can accommodate multiple different headlamp modules through a standardized mounting interface. The electrical network in the headband provides universal power and control capabilities. This universality allows a single headband to support various specialized modules, achieving multi-purpose capability without compromising the specialized performance of each module.

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Ease of operation

If an adjustable iris is added to control beam width, then beam width adjustment is enabled, but light output is blocked requiring a brighter light source and more power

Engineering Contradiction:
Improvebeam width controlVSAvoidpower consumption
Core Design Contradiction:
Ease of operationVSUse of energy by moving object

Solution Approach 1:

The iris mechanism is removed from the system entirely. Instead of using an iris to control beam width, each headlamp module incorporates a light source with inherently controllable beam characteristics. The beam width is determined by the optical design of the module itself rather than being mechanically restricted by an iris, eliminating the trade-off between beam control and light output.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

Different headlamp modules are designed with different optical parameters to provide varying beam widths and patterns. Rather than modifying a single module's beam width with an iris, the system offers multiple modules with fixed optical characteristics optimized for different applications. Users select the appropriate module based on the required beam width, avoiding the power loss associated with iris-based adjustment.

Inventive Principle:
Principle #35Parameter changes

3Reliability

If separate headlamp assemblies are purchased for each medical purpose, then specialized performance is maintained, but cost increases

Engineering Contradiction:
Improvespecialized performanceVSAvoidnumber of assemblies required
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The system segments the headlamp into a permanent headband subassembly and interchangeable modules. Users only need to purchase one headband subassembly and then add individual modules as needed for different medical tasks. This reduces the overall complexity compared to purchasing complete separate assemblies for each purpose, while maintaining specialized performance through module-specific optimization.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

Multiple specialized headlamp functions are merged into a single integrated system by combining them in separate modules that attach to one headband subassembly. The electrical network and mounting mechanism are shared across all modules, reducing redundancy and overall system complexity while preserving the specialized capabilities of each module.

Inventive Principle:
Principle #5Merging (Combining)

Data Source

PatentUS9091428B2Medical headlamp assembly having interchangeable headlamp types
Publication Date: 2015.07.28 RIVERPOINT MEDICAL LLC
  • US9091428B2 patent drawing
  • US9091428B2 patent drawing
  • US9091428B2 patent drawing

AI summary

A medical headlamp assembly has a headband subassembly, including an electrical network, including a battery and an electrical jack and a headlamp mount. An electrical headlamp subassembly, has a mounting element that is matingly and removably engaged to the headlamp mount, and an electrical plug that is matingly and removably engaged to the jack and an electrical headlamp, electrically connected to the plug.