Cryotherapy Dispenser with Integral Applicator Pad
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Solution Overview
Problem
Existing cryotherapy devices for treating skin lesions suffer from uncontrolled coolant leakage, complex operation, and temperature increase issues due to removable parts, leading to inefficiency and safety risks.
Innovation Solution
A dispensing device with a built-in tube and integral cylindrical applicator pad, featuring a safety activator cap that prevents accidental leaks and allows for immediate coolant absorption, ensuring controlled delivery and quick application.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If removable tubes and pads are used in known containers, then the device can be disassembled for cleaning and maintenance, but the operation becomes complex and time-consuming
Solution Approach 1:
The patent integrates the tube and pad into a single pre-assembled applicator unit that is permanently attached to the dispenser body. This merging eliminates the need for separate assembly steps while maintaining cleanability through the replaceable applicator unit design.
Solution Approach 2:
The tube and pad are pre-assembled into a ready-to-use applicator unit before reaching the user. This preliminary assembly eliminates the need for operators to assemble multiple components during the procedure, reducing operational complexity and time requirements.
2Adaptability or versatility
If removable tubes are used in known containers, then the applicator can be replaced, but uncontrolled coolant leakage occurs during application and removal
Solution Approach 1:
The applicator unit with the pad is nested within the tube structure, which is permanently integrated into the dispenser body. This nested design allows the entire applicator assembly to be replaced as one unit while maintaining secure connections that prevent coolant leakage during insertion and removal.
3Productivity
If the operator acts rapidly to dispense coolant, then the treatment effectiveness is maintained, but the operation becomes more difficult to control
Solution Approach 1:
The system automatically controls coolant flow through the integrated tube and pad design. The coolant is delivered directly to the application site through the built-in tube, eliminating the need for manual coordination between dispensing and application, thereby maintaining treatment effectiveness while simplifying operator control.
4Reliability
If the pad is allowed to soak completely with coolant, then the treatment effectiveness increases, but the waiting time before application increases
Solution Approach 1:
The coolant delivery system is pre-positioned through the integrated tube design, allowing immediate and controlled delivery of coolant to the pad upon activation. This eliminates the need for waiting periods while ensuring complete saturation of the pad for effective treatment.
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 device ensures safe, efficient, and effective cryotherapy by preventing uncontrolled coolant leakage, simplifying the application process, and maintaining optimal coolant temperature, thus enhancing treatment efficacy and safety for both operator and patient.
Implementation Method 1
A downward pressure exerted on said cap causes said teeth to be inserted in said slots, so that they rest on a valve-opening element... The pressure exerted on said valve-opening element causes said valve to open, which makes the fluid flow out
Implementation Method 2
an applicator pad or filter (S) suited to absorb and convey the coolant
Implementation Method 3
a pad or filter partially inserted in said tube absorbs the fluid and conveys it to the top
Implementation Method 4
The controlled and punctual application of coolant to the lesion causes the freezing of the intracellular water and the alteration of proteins and enzymes
Data Source
Figure 1a~1d
Figure 2a~2c
Figure 3
AI summary
The invention is a new dispensing device for pressurized containers (C) of coolants for cryotherapy, with manual opening/closing valve (C1), comprising a dispenser body (A) suited to be permanently fixed to said container (C), a valve-opening element (B) and a cap (T) with teeth (T21) resting against said valve-opening element (B) to cause the opening of the valve (C1); and wherein at least one tube or duct (A1) for application of the coolant, at one end of which at least one applicator pad or filter (S) is partially and removably inserted, is permanently built in and integral with said dispenser body (A).