Steerable Orthopedic Endoscope With Optical and Electromagnetic Navigation
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Solution Overview
Problem
Current orthopedic endoscopes have a rigid cylindrical design with a fixed field of view angle, leading to surgical blind spots and restricted operational areas, and lack navigation designs, increasing the learning curve and safety risks for surgeons.
Innovation Solution
A steerable orthopedic endoscope system with a bendable portion, rotating adjustment component, angle detection, and navigation functionality, allowing for variable observation angles and precise lens positioning through optical and electromagnetic navigation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a rigid cylindrical design with fixed field of view angle is used, then the endoscope structure is simple and easy to manufacture, but surgical blind spots and restricted operational areas occur
Solution Approach 1:
The endoscope incorporates a bendable portion with bending sections that can dynamically change shape and orientation during surgery. The bendable portion includes multiple bending sections that can be independently controlled to steer the lens toward different anatomical structures, transforming the rigid structure into a dynamic, adaptable system that responds to surgical needs
Solution Approach 2:
The endoscope shaft is divided into a rod portion and a bendable portion with discrete bending sections. Each bending section can be controlled independently through pull wires, allowing segmented control of the endoscope's curvature and orientation. This segmentation enables precise positioning of the lens while maintaining structural integrity
2Device complexity
If navigation design is not included, then the device complexity is reduced, but the learning curve increases and surgical safety risks increase
Solution Approach 1:
The system incorporates an angle detection component with a marker on the rotating wheel and a detection device that identifies the marker to obtain rotation angle information. This feedback mechanism provides real-time data about lens orientation and position, allowing the navigation system to accurately track and display the endoscope's location and orientation relative to anatomical structures
Solution Approach 2:
The patent replaces subjective surgeon interpretation of anatomical structures with an automated optical navigation system. The processor receives angle detection information and automatically calculates pose parameters (coordinates and direction angles), substituting mechanical estimation with computational geometry and optical tracking to improve safety and reduce learning curve
3Device complexity
If a fixed field of view angle is used, then the endoscope design is simplified, but blind spots and restricted operational areas occur during surgery
Solution Approach 1:
The bendable portion with controllable bending sections enables dynamic adjustment of the lens orientation and viewing angle during surgery. The endoscope can be steered to redirect the field of view toward different anatomical structures, eliminating blind spots and restricted operational areas while maintaining a relatively simple optical design
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
Enhances surgical accuracy, reduces medical safety risks, and shortens the learning curve by enabling precise lesion detection and improved surgical quality.
Implementation Method 1
an angle detection component, comprising a marker arranged on the rotating wheel and a detection device configured to identify the marker, wherein the detection device obtains a rotation angle of the rotating wheel by detecting changes of the marker
Implementation Method 2
the processor receives rotation angle information obtained by the angle detection component, and calculates a pose of the lens relative to the rod portion according to the rotation angle information, and the pose comprises coordinates and a direction angle of the lens
Implementation Method 3
obtain pose information of a lens based on a rotation angle of a rotating wheel, and co-locate the lens through optical magnetic composite
Implementation Method 4
co-locate the lens through optical magnetic composite
Data Source
AI summary
The present disclosure belongs to the technical field of orthopedic surgery, and in particular, to a steerable orthopedic endoscope system with navigation function. The system includes a handle, an endoscope body, a rotating adjustment component, an angle detection component, a processor, an optical navigation component, and an electromagnetic navigation component. The endoscope body includes a rod portion, a bendable portion, and a lens. The bendable portion is internally provided with bending sections. The rotating adjustment component includes a rotating wheel and two pull wires. The angle detection component includes an marker arranged on the rotating wheel and a detection device configured to identify the marker. The processor is electrically connected to the angle detection component and the rotating adjustment component.