Stethoscope Cleaning Assembly with Integrated Fluid Dispenser
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Solution Overview
Problem
Current stethoscope cleaning devices are inadequate for rapid, safe, and efficient disinfection, often requiring multiple steps, being time-consuming, and prone to contamination, which contributes to the spread of nosocomial infections.
Innovation Solution
A stethoscope cleaning assembly with a housing that allows for a single, unidirectional swipe to apply and remove cleaning fluid, using a dispenser mechanism activated by the stethoscope head's passage, ensuring effective disinfection without external buttons or pads, thus minimizing user contact and contamination risk.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple cleaning steps are used to ensure thorough disinfection, then cleaning effectiveness is improved, but cleaning time and complexity increase
Solution Approach 1:
The patent combines multiple cleaning functions (fluid application, wiping, and drying) into a single integrated cleaning head assembly. The cleaning head includes both a fluid applicator and an absorbent wiping surface that work simultaneously during one passing motion, eliminating the need for separate cleaning steps and reducing overall cleaning time while maintaining disinfection effectiveness.
Solution Approach 2:
The cleaning device pre-loads the cleaning head with disinfectant fluid before use. The fluid is stored in a reservoir and automatically applied to the wiping surface or directly to the stethoscope during the cleaning action, eliminating the need for the user to manually apply fluid during the cleaning process and reducing cleaning steps.
2Ease of operation
If manual wiping with separate pads is used, then cleaning flexibility is improved, but contamination risk increases due to multiple handling steps
Solution Approach 1:
The patent integrates the fluid applicator and absorbent wiping surface into a single sealed cleaning head assembly. This integration eliminates the need for users to handle separate pads and fluids, reducing the number of handling steps and minimizing contamination risk while maintaining cleaning flexibility through the ability to attach different cleaning heads to the stethoscope.
Solution Approach 2:
The cleaning head assembly serves as an intermediary between the user and the stethoscope surface. The sealed design of the cleaning head contains the fluid and wiping materials, allowing the user to interact only with the outer housing while the actual cleaning surfaces remain enclosed, thereby reducing direct exposure to potential contaminants.
3Reliability
If cleaning fluid is applied generously to ensure complete coverage, then disinfection effectiveness is improved, but fluid spillage and waste increase
Solution Approach 1:
The patent employs an absorbent wiping surface that is selectively positioned to contact only the specific surfaces of the stethoscope that require cleaning (the diaphragm and rim). The wiping surface's absorbent properties allow it to take up excess fluid locally at the contact point, ensuring complete coverage of the target area while preventing fluid from spreading to unintended areas or creating waste.
Solution Approach 2:
The cleaning head incorporates an absorbent, porous wiping surface that controls fluid distribution through capillary action. The porous structure absorbs and distributes the disinfectant fluid evenly across the wiping surface, ensuring complete coverage of the stethoscope surfaces while preventing over-application and fluid spillage through the controlled absorption mechanism.
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
Facilitates quick, effective disinfection of stethoscope diaphragms and rims, reducing the risk of nosocomial infections by providing a convenient, safe, and efficient cleaning process that minimizes exposure to pathogens and fluid spillage.
Implementation Method 1
a reservoir structured to contain a supply of cleaning fluid and structured to deliver the cleaning fluid to the applicator assembly
Implementation Method 2
a dispenser assembly which is cooperatively disposed relative to an activating assembly... The dispenser assembly delivers the cleaning fluid to an applicator assembly
Data Source
AI summary
An assembly structured to restrict contamination of individuals from association with the heads of stethoscope comprising a housing including a path of travel along which the head portion passes. Different embodiments include the dispensing of cleaning fluid or the delivery of protective barriers onto predetermined portions of the stethoscope heads, while passing along the path of travel. A dispenser assembly and a cooperatively disposed activating assembly are manually operated by moveable, driving engagement with the head portion passing through the housing. The activating assembly is thereby operatively positioned to activate the dispenser assembly when engaged by a head passing along the path of travel. Differently structured dispenser assemblies function to either deliver the cleaning fluid or individually dispense the barriers onto different heads, so as to either facilitate the cleaning or protective covering of exposed surfaces of the stethoscope heads, dependent on the embodiment utilized.