Handheld Surgical Lighting Device With Deflectable Attachment
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Solution Overview
Problem
Existing lighting devices for surgical instruments are bulky, expensive, cumbersome, and pose safety hazards due to heat generation, infection risks, and require constant repositioning, limiting precision and effectiveness in surgical procedures.
Innovation Solution
A compact, battery-powered lighting device with a deflectable contact leg and spring-biased engagement ring for easy attachment to handheld surgical instruments, featuring LED light sources and a non-contact switching mechanism for activation, allowing precise illumination and reducing bulk and heat risks.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If a lighting device includes a light source integrally formed within a tool, then illumination precision is improved, but device bulk and cost increase
Solution Approach 1:
The lighting device is separated from the surgical instrument, with the light source housed in a standalone unit that can be attached to various instruments. This segmentation allows the lighting function to be provided without permanently increasing the bulk of the surgical instrument itself.
Solution Approach 2:
The lighting device is designed to be universally attachable to multiple different surgical instruments through a standardized mounting mechanism. This multi-functionality allows a single lighting device to serve various instruments without requiring integral lighting in each instrument.
2Weight of moving object
If a lighting device is made compact and lightweight, then ease of manipulation is improved, but power source capacity is reduced
Solution Approach 1:
The lighting device uses LED light sources that can be activated periodically or on-demand rather than continuously, allowing for lower power consumption while maintaining effective illumination during surgical procedures.
Solution Approach 2:
The device replaces traditional high-power incandescent or halogen lighting systems with low-power LED technology, dramatically reducing power requirements while maintaining or improving illumination quality, thus enabling compact design with adequate battery life.
3Use of energy by stationary object
If a corded lighting device is used, then continuous power supply is improved, but mobility and precision are reduced
Solution Approach 1:
The lighting device incorporates an internal battery power source that provides autonomous operation without requiring connection to external power sources or cables. This self-service capability eliminates the mobility restrictions and manipulation precision issues associated with corded devices.
4Ease of manufacture
If a reusable lighting device is used, then cost effectiveness is improved, but sterilization complexity and infection risk increase
Solution Approach 1:
The lighting device is designed as a disposable single-use item that can be discarded after one use, eliminating the need for complex sterilization processes and reducing infection risk. This approach maintains cost effectiveness by avoiding the high sterilization infrastructure requirements while ensuring patient safety.
5Illumination intensity
If traditional light sources are used, then illumination intensity is improved, but heat generation and safety hazards increase
Solution Approach 1:
The device replaces traditional incandescent or halogen light sources that generate significant heat with LED technology, which produces minimal heat while providing adequate or superior illumination. This substitution maintains brightness requirements while eliminating the heat-related safety hazards.
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 solution provides precise, adjustable illumination that minimizes bulk and heat risks, enhancing surgical precision and safety while reducing the need for constant repositioning and infection risks.
Implementation Method 1
a spring-biased engagement ring for easy attachment to handheld surgical instruments
Implementation Method 2
featuring LED light sources
Data Source
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AI summary
Lighting devices are disclosed for use with handheld surgical instruments, along with holsters for supporting surgical instruments with lighting devices thereon and kits containing surgical instruments and lighting devices.