Modular Fundus Camera Lens with Universal Connection Unit
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Solution Overview
Problem
Conventional fundus cameras are inflexible, heavy, and expensive, with components not interchangeable, limiting adaptation to modern cameras or different applications, and requiring cable connections to image-processing stations.
Innovation Solution
A fundus camera lens with a connection unit for analog or digital cameras, allowing component interchangeability and adjustable features like diopter compensation and ring lighting, enabling use with various cameras and applications without needing a base station connection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional fundus cameras use integrated housing with fixed components, then structural stability is maintained, but adaptability to different applications and modern camera technology is reduced
Solution Approach 1:
The fundus camera system is divided into separate modular components: a camera unit and a lens assembly that can be independently exchanged. The lens assembly includes a connection unit that interfaces with the camera unit, allowing the lens to be detached and replaced without affecting the camera body. This segmentation enables different lens assemblies to be used with the same camera unit, providing adaptability to various applications while maintaining simple individual components.
Solution Approach 2:
The connection unit is designed with universal compatibility to interface with different camera units. The lens assembly can be connected to various analog or digital camera units through standardized connection interfaces, allowing a single lens assembly to serve multiple functions across different camera platforms and applications, thereby improving versatility without increasing complexity of individual components.
2Weight of moving object
If conventional fundus cameras are designed as complete integrated units, then reliability is improved, but weight and cost increase significantly
Solution Approach 1:
By separating the camera unit from the lens assembly, each component can be optimized independently for minimal weight while maintaining reliability through standardized connection interfaces. The lens assembly with its connection unit can be detached and replaced, allowing the use of lighter materials and designs in each separate component rather than requiring a heavy integrated housing.
3Adaptability or versatility
If conventional fundus cameras use fixed lens assemblies, then manufacturing precision is maintained, but adaptability to modern camera technology is limited
Solution Approach 1:
The lens assembly is designed as a separate module with a standardized connection unit that interfaces with the camera unit. This segmentation allows the lens assembly to be manufactured independently using precise optical manufacturing techniques, then easily attached to or replaced on camera units. The standardized connection interface simplifies the manufacturing process by providing clear alignment and mounting features, while enabling the lens assembly to be adapted to different camera technologies without remanufacturing the entire system.
4Ease of operation
If conventional fundus cameras require cable connections to base stations, then image processing capability is improved, but device complexity and portability are reduced
Solution Approach 1:
The lens assembly is extracted as a separate detachable module from the camera system, with a connection unit that allows it to be independently attached or removed. This extraction eliminates the need for permanent cable connections to base stations, as the lens assembly itself contains the necessary optical and interface components. The modular design improves portability by allowing the lens to be easily attached or removed without complex cabling, while maintaining full functionality through the standardized connection interface.
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 flexible adaptation to modern camera technology, reduces weight and cost, and allows for one-handed operation with improved illumination and image capture capabilities, enhancing usability in diverse applications including veterinary settings.
Implementation Method 1
a ring light (18) which emits light in the direction of an eye (4)
Implementation Method 2
a beam splitter (21) which couples light from two external light sources (17) and/or a flashlight (32) into a common beam path
Implementation Method 3
a lens (22) with a focal point set at infinity, onto which parallel light rays coming from the background of the eye (4) strike
Data Source
Figure 1
Figure 2~3
AI summary
The invention relates to a fundus camera objective for recording the background of an eye. Moreover, the invention relates to a camera (30) having a fundus camera objective (20). In addition, the invention relates to a ring light (18), which is connected to the fundus camera objective (20) or a camera (30) and is used to illuminate the surroundings of the eye (4). The fundus camera objective (20) can be connected to a general analog or digital camera (30), wherein individual components can be replaced and thus a simple adaptation is possible to more modern cameras or other intended uses. The fundus camera objective for recording an eye background contains an objective (22), a lens barrel (19), and an ocular (28), wherein said fundus camera objective (20) has a fundus camera objective connection unit (31) on the camera side, and can be coupled via said fundus camera objective connection unit (31) to a camera (30).