Epistaxis Treatment System with Controlled Compression Device
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Solution Overview
Problem
Current medical devices for treating epistaxis (nosebleeds) often cause trauma and risk secondary hemorrhage due to uncontrolled pressure and difficulty in introducing and removing hemostatic agents within the nasal cavity, with existing systems being uncomfortable and inefficient in achieving rapid hemostasis.
Innovation Solution
A system comprising a compressible shape memory member with a compressible configuration for insertion and an expanded configuration for contact within the nasal cavity, enveloped in a flexible film or net, and a compression device using an implantation tube and clip for controlled pressure application and removal, minimizing trauma and secondary hemorrhage risks.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If an expandable packing or balloon is used to apply pressure against the nasal cavity walls to stop bleeding, then hemostasis is achieved, but the pressure applied is uncontrolled and exceeds the necessary pressure, causing patient discomfort and potential trauma
Solution Approach 1:
The patent applies parameter changes by using a compressible organ that can be progressively compressed to different degrees. The compression device allows controlled adjustment of compression parameters (force, duration) to achieve hemostasis at the minimum necessary pressure, rather than applying excessive fixed pressure. This resolves the contradiction by making the pressure parameter variable and controllable.
Solution Approach 2:
The patent incorporates feedback mechanisms where the compression device allows incremental compression adjustments based on monitoring of hemostasis progress. The system enables the operator to assess bleeding control and adjust compression levels accordingly, preventing excessive pressure application while ensuring adequate hemostasis.
2Reliability
If a hemostatic packing or wick is inserted into the nasal cavity to achieve hemostasis, then bleeding is stopped, but the insertion and removal processes are traumatic and risk secondary hemorrhage
Solution Approach 1:
The patent uses a compression device as an intermediary mechanism that applies compression through a controlled interface (compression element) rather than directly inserting traumatic packing material. The compression device mediates the hemostatic action, allowing removal of the device without direct trauma to the hemostasis site, as the compression element can be withdrawn while maintaining contact with the tissue.
Solution Approach 2:
The patent segments the hemostatic function from the insertion/removal trauma by using a separate compression device that applies force through a compression element. The compression element can be designed to detach or be withdrawn independently, separating the traumatic removal action from the hemostasis maintenance, thereby reducing secondary hemorrhage risk.
3Reliability
If an inflatable balloon system is used to apply pressure for hemostasis, then bleeding control is achieved, but the system is flexible and difficult to insert and position precisely within the nasal cavity
Solution Approach 1:
The patent applies local quality by designing the compression element with specific structural characteristics (rigid or semi-rigid portions) at the insertion end to facilitate precise positioning, while the compression application area maintains the necessary compliance. This localized structural differentiation enables easy insertion and precise positioning without sacrificing bleeding control capability.
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 effectively controls pressure for hemostasis, reduces trauma during insertion and removal, and prevents secondary hemorrhage, providing a more ergonomic and efficient treatment for epistaxis compared to existing methods.
Implementation Method 1
a compression device for the compressible organ in the casing, said compression device being configured to bring the compressible organ into its compressed or expanded configuration
Implementation Method 2
a shape-memory compressible organ having a compressed configuration, in which the compressible organ is compressed and is configured to be introduced into a patient's nasal cavity, and an expanded configuration, in which the compressible organ is expanded
Data Source
Figure 1
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AI summary
The invention relates to a system (1) for treating an epistaxis, comprising: a compressible body (20, 120) designed to come into contact with walls of a nasal cavity of a patient, or surrounded by a veil of hemostatic properties; an envelope (30, 130) designed to envelop the compressible body (20, 120); and a compression device for compressing (10, 110) the compressible body (20, 30) in the envelope, said compression device being designed so as to compress or release the compressible body (20, 120).