Sterile Vapocoolant Dispenser With Hermetic Fluid Pathway

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Solution Overview

Problem

Existing vapocoolant dispensing devices are cumbersome, potentially injurious, and can cause contamination due to the use of flammable materials and microorganisms, leading to recalls and other issues.

Innovation Solution

A sterilizable and/or sterile vapocoolant dispenser designed for hermetic containment and high-energy radiation sterilization, maintaining a sterile fluid pathway until use, without requiring additional sterile packaging.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If existing vapocoolant dispensing devices are used, then vapocoolant can be delivered, but the devices are prone to microorganism contamination and cause injury

Engineering Contradiction:

ImprovesterilityVSAvoidmicroorganism contamination and injury

Core Design Contradiction:

ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The device is pre-sterilized using high-energy radiation before use, and the sterility is maintained until the moment of application. This preliminary sterilization action ensures the device is free from microorganisms before contacting the patient, eliminating the contamination risk present in existing devices.

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The dispenser is designed as a single-use disposable device that is sterilized and sealed, then discarded after one use. This eliminates the need for reprocessing and reuse that can lead to microorganism contamination in existing devices, while the disposable nature ensures consistent sterility.

Inventive Principle:

Principle #27Cheap short-living objects (Disposable)

2Ease of operation

If existing dispensing techniques are used, then vapocoolant can be delivered, but the devices are cumbersome to employ

Engineering Contradiction:

Improveease of useVSAvoiddevice complexity

Core Design Contradiction:

Ease of operationVSDevice complexity

Solution Approach 1:

The device is segmented into distinct functional components: a reservoir for vapocoolant, a valve mechanism for controlled release, a nozzle for targeted application, and an ergonomic housing. This segmentation allows each component to be optimized independently while simplifying the overall operation for the user.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The device incorporates an automatic spray mechanism that activates when the valve is opened, eliminating the need for manual pumping or complex operation. The vapocoolant is delivered automatically through the nozzle system, reducing the operational burden on the user.

Inventive Principle:

Principle #25Self-service

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

Provides a safe, efficient, and sterile method for dispensing vapocoolant, reducing the risk of contamination and injury, while ensuring consistent sterility and ease of use.

Implementation Method 1

the container and its contents are configured for sterilization by high energy radiation

Methodology Applied

Scientific EffectHigh energy radiation sterilization: Radiation

Data Source

PatentUS12623831B2Vapocoolant device

Publication Date: 2026.05.12 623 MEDICAL LLC

AI summary

The present disclosure discloses and describes a vapocoolant dispenser. Specifically, the dispenser comprises a housing and container of vapocoolant, the dispenser configured to receive a sterilizable dose of high energy radiation and to provide a sterile, hermetically sealed vapocoolant dispenser.