Modular Handle Assembly with Detachable Extension for Medical Instruments
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Solution Overview
Problem
Existing medical handle assemblies for scopes like laryngoscopes and otoscopes are limited in their multifunctionality and capacity to hold secondary objects, as they are typically dedicated to specific instruments and lack versatility in accommodating a variety of medical tools within a confined space.
Innovation Solution
A handle assembly with a primary housing featuring a standardized laryngoscope blade connector and a detachable housing extension with an internal compartment, allowing for the integration of secondary instruments and tools, such as a flashlight unit and otoscope head, which can be used with multiple medical instruments and tools.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a handle assembly is dedicated to a specific medical instrument, then it provides specialized functionality for that instrument, but it reduces versatility and the ability to accommodate multiple medical tools
Solution Approach 1:
The handle assembly incorporates a standardized ISO 7376.7 connector that can interface with multiple types of medical instruments including laryngoscope blades, otoscope heads, and other diagnostic tools. This universal connector design allows a single handle to perform multiple functions across different medical procedures, directly resolving the contradiction between versatility and complexity by enabling one device to serve multiple purposes without requiring multiple specialized handles
Solution Approach 2:
The handle assembly is divided into modular components: a primary handle body containing essential features and a detachable housing extension that can be added or removed based on needs. This segmentation allows the base handle to remain simple while the extension provides additional functionality when required, enabling versatility only when needed and maintaining simplicity for basic operations
2Quantity of substance
If extra room is utilized in the handle to hold secondary devices, then storage capacity is improved, but the handle structure becomes more complex
Solution Approach 1:
The detachable housing extension contains an internal compartment that can store secondary devices such as otoscope heads or other small medical tools. This nested storage structure utilizes the available space within the handle's cylindrical form factor, allowing storage capacity to increase without significantly expanding the external dimensions or complicating the overall handle structure
Solution Approach 2:
The housing extension is selectively detachable, allowing users to attach it when storage capacity is needed and remove it when not needed. This dynamic configuration enables the handle to adapt its storage capacity based on operational requirements, increasing storage only when necessary while maintaining a simpler structure for basic handle operations
3Adaptability or versatility
If a standardized connector is used to accommodate multiple instruments, then interchangeability is improved, but the ability to provide instrument-specific features is reduced
Solution Approach 1:
The standardized ISO 7376.7 connector enables reliable mechanical and electrical connections across multiple instrument types while maintaining consistent performance characteristics. The connector design preserves instrument-specific functionality through proper signal routing and mechanical alignment, ensuring that interchangeability does not compromise the reliability or specialized features of each instrument type
Solution Approach 2:
The handle assembly acts as an intermediary between the standardized connector and various instruments, providing adapter mechanisms or interface circuits that translate between the universal connection standard and instrument-specific requirements. This intermediary function allows different instruments to connect reliably through the same standardized interface while maintaining their unique operational characteristics
Data Source
AI summary
A handle assembly for a medical instrument, such as an otoscope, and the full assembly of the medical instrument. The handle assembly has a primary housing with a first end and an opposite open second end. The primary housing defines a central cavity. A standardized connector is formed at the first end. A detachable housing extension is attached to the opposite end. The housing extension defines an internal compartment that is accessible when detached. An otoscope head is provided that is sized to fit within the internal compartment. The otoscope head has a base, a neck, and a speculum support. The speculum support has a large open end, an opposite small open end, and a funnel shaped peripheral wall that extends there between. A slot is formed in the peripheral wall to enable secondary instruments to be manipulated within the speculum support.