Mobile sterilization apparatus and method for using the same
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Solution Overview
Problem
Existing mobile sterilization cabinets face challenges such as difficulty in maneuverability, space efficiency, water retention, and visual assessment of sterilization status, which can lead to contamination and inefficiencies in hospital settings.
Innovation Solution
A novel mobile sterilization system with a transfer cart and improved filter integrity assessment method, featuring a double filter system and adjustable transfer cart configurations for easier movement and sterilization status verification, along with enhanced drainage and filter ports for maintaining sterility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a mobile sterilization cabinet is designed with wheels for maneuverability, then ease of operation is improved, but stability during sterilization cycles deteriorates
Solution Approach 1:
The system is divided into two separate components: a mobile sterilization cabinet and a separate transfer cart. The cabinet remains stationary during sterilization cycles, providing stability, while the transfer cart with casters provides mobility for transporting trays. This segmentation resolves the contradiction by assigning different functional requirements to different components.
2Ease of manufacture
If filters are made disposable and pre-positioned, then ease of manufacture is improved, but reliability of sterility deteriorates due to potential damage during handling
Solution Approach 1:
Filters are pre-positioned in the cabinet before sterilization cycles begin. This preliminary action ensures filters are correctly installed and sealed before any handling that might compromise them. The filters remain in place throughout the sterilization process, maintaining reliability while simplifying manufacturing through standardization.
3Ease of operation
If cabinet doors are made large for easy access, then ease of operation is improved, but space efficiency deteriorates
Solution Approach 1:
The system separates the cabinet access function from the tray transfer function. The cabinet has smaller doors that open into a compact interior, while the separate transfer cart handles the movement of trays. This segmentation allows the cabinet to have a smaller footprint while maintaining ease of access through the transfer cart mechanism.
4Device complexity
If a single filter system is used, then device complexity is reduced, but reliability of sterility assessment deteriorates due to inability to verify filter integrity
Solution Approach 1:
The system uses a double filter arrangement where one filter serves as a backup and the other can be inspected. This partial redundancy allows for verification of filter integrity by examining one filter while the other maintains sterility. The excessive filter provides both reliability through backup capability and verification opportunity without excessive complexity.
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 enhances the mobility and storage efficiency of sterilized medical instruments, ensures sterility by verifying filter integrity without opening the container, and reduces contamination risks through improved drainage and filter management.
Implementation Method 1
The hot air and steam generated by the autoclave is able to penetrate into interior chamber 10 of cabinet 5, thereby sterilizing cabinet 5 and its contents
Implementation Method 2
filters 50 prevent the passage of contaminants through vents 35 into the interior of the cabinet
Data Source
AI summary
A sterilization cabinet, comprising a top panel, at least two side panels, and a floor panel forming a part of a chamber of the sterilization cabinet; at least one door connected to at least one of the at least two side panels of the sterilization cabinet; a vent formed in at least one of the two side panels; at least one first filter covering the vent and a filter cover configured to hold the first filter against the vent; a drain positioned in the floor panel, wherein the floor panel has a slope configured to cause condensate within the chamber to flow into the drain and wherein the drain is the only outlet for the condensate along the floor panel; and a second filter covering the drain such that condensate flowing into the drain passes through the second filter.