Medical Powder Spray Flow Control for Uniform Endoscope Delivery
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Solution Overview
Problem
Conventional medical powder spray devices struggle with precise control over spray amount, uniform delivery, and clogging issues, particularly when used through long endoscope conduits, making it difficult to apply hemostatic and wound dressing agents effectively.
Innovation Solution
A medical powder spray apparatus with a flow rate control mechanism, utilizing vibration to disperse powder, a backflow prevention system, and air flow maintenance to ensure uniform air pressure, allowing for accurate and fixed powder application.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If conventional spray devices are used to deliver medical powder through endoscope conduits, then the device structure is simple, but the spray amount cannot be precisely controlled and uniform delivery is difficult
Solution Approach 1:
The patent implements dynamic control of the spray system by allowing adjustment of air pressure and powder feed rate during operation. The air supply system can vary pressure levels to control powder flow rate, and the vibration mechanism can be adjusted to match different powder characteristics, enabling precise control without complex fixed structures
Solution Approach 2:
The patent uses pneumatic principles to control powder delivery through air pressure regulation. An air supply device delivers compressed air to the powder, and by adjusting air pressure, the spray amount is precisely controlled. The air flow maintains uniform pressure to ensure consistent powder delivery through the endoscope conduit
2Speed
If high air pressure is used to push powder through long endoscope conduits, then the powder can reach the target location, but clogging occurs and flow uniformity is lost
Solution Approach 1:
The patent employs a vibration mechanism attached to the powder feed system to prevent clogging during high-speed powder delivery. The vibration keeps powder particles separated and moving smoothly through the conduit, maintaining reliable flow even at high delivery speeds through long endoscope channels
Solution Approach 2:
The patent dynamically adjusts air pressure and vibration frequency parameters to optimize powder flow. By changing these parameters in response to flow conditions, the system maintains high delivery speed while preventing clogging and ensuring uniform flow through the endoscope conduit
3Productivity
If powder is sprayed without flow control, then the device operation is simple, but the spray amount varies and cannot be fixed accurately
Solution Approach 1:
The patent implements feedback control by monitoring the relationship between air pressure and powder flow rate. The system adjusts air supply based on observed spray characteristics to maintain accurate and consistent powder delivery, ensuring both efficiency and precision in hemostatic agent application
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 precise and even delivery of medical powders, preventing clogging and backflow, ensuring consistent spray amounts and uniform distribution across various medical procedures.
Implementation Method 1
a vibration generation part generating vibration; a vibration transmission part transmitting the vibration from the vibration generation part to the powder accommodation part
Implementation Method 2
an air transfer pipe transferring air together with the powder supplied from the powder transfer pipe; an air supply part supplying the air to the air transfer pipe
Data Source
Figure 1~2
Figure 3~4
Figure 5A~6B
AI summary
Proposed is a medical powder spray apparatus, including a powder accommodation part (10) accommodating powder, a powder discharge means (20) discharging the powder of the powder accommodation part (10), a powder transfer pipe (30) transferring the powder of the powder discharge means (20), an air transfer pipe (40) transferring air together with the powder of the powder transfer pipe (30), an air supply part (50) supplying the air to the air transfer pipe (40), and a spray means (50) spraying the powder of the air transfer pipe (40). The powder is sprayed by means of wind pressure.