Configurable Wound Drainage Manifold for Single-Incision Coverage
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Solution Overview
Problem
Existing wound drainage devices require multiple incisions for multi-dimensional wounds, are difficult to configure, cause tissue damage and pain, and are prone to fluid pooling, infection, and seroma or hematoma formation.
Innovation Solution
An adaptable wound drainage system with a drainage manifold comprising elongate members that can be adjusted between gathered and dispersed positions, a transitional connector, and a drainage tube, utilizing reduced pressure for enhanced fluid drainage, and featuring sacrificial webs for easy configuration and minimization of tissue trauma.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If multiple incision sites are used to treat multi-dimensional wounds, then the wound surface area coverage is improved, but the tissue damage and patient pain increase
Solution Approach 1:
The drainage manifold is divided into multiple elongate members that can be independently positioned and configured within the wound cavity. These segmented members can extend into different wound regions through a single incision, providing comprehensive coverage without requiring multiple incision sites, thereby reducing tissue damage and patient pain while maintaining effective wound surface area coverage
Solution Approach 2:
The drainage manifold transitions from a two-dimensional planar structure to a three-dimensional configurable structure with elongate members that can extend in multiple directions and depths within the wound cavity. This dimensional transformation allows the system to cover multi-dimensional wounds through a single incision by utilizing the third dimension (depth and spatial orientation) rather than requiring multiple surface incisions
2Productivity
If traditional drainage devices are used, then fluid drainage is achieved, but the device complexity and difficulty of configuration increase
Solution Approach 1:
The drainage manifold incorporates flexible, movable elongate members that can be dynamically adjusted and reconfigured within the wound cavity to match the specific geometry of different wounds. This dynamic configurability allows the device to adapt to various wound shapes and sizes without requiring complex pre-planning or multiple components, simplifying the overall device structure while maintaining effective fluid drainage
Solution Approach 2:
The drainage manifold is designed as a universal device that can treat various types and configurations of wounds through its adjustable elongate members. The same basic device structure can be configured for different wound geometries, eliminating the need for multiple specialized devices and reducing overall system complexity while maintaining effective fluid drainage across different application scenarios
3Productivity
If traditional drainage devices are used, then fluid removal is achieved, but fluid pooling and infection risk increase
Solution Approach 1:
The drainage manifold provides localized drainage coverage through its distributed elongate members that can be positioned to address specific regions of the wound cavity where fluid accumulation is most likely to occur. This localized approach ensures comprehensive fluid removal from all critical areas, preventing fluid pooling and reducing infection risk while maintaining efficient overall fluid removal
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 system provides improved configurability and ease of placement, reducing tissue damage, pain, and the risk of infection, while enhancing fluid drainage and cosmetic appearance.
Implementation Method 1
a reduced-pressure source adapted to provide reduced pressure to the drainage manifold
Implementation Method 2
utilize reduced pressure to enhance the drainage of fluids from the tissue site
Data Source
Figure 1
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Figure 2B
AI summary
Provided are drainage systems that may include a drainage manifold and may be suitable for draining fluid from a tissue site. The drainage manifold may include a plurality of elongate members having a moveable end that may be adapted to configure the drainage manifold to treat a uniquely shaped tissue site. The drainage manifold may be coupled to a drainage tube with a transitional connector to provide a drainage system capable of distributing reduced pressure to the tissue site to enhance the drainage of fluids.