Particulate Trap in Surgical Instrument Packaging
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Solution Overview
Problem
Current surgical stapling systems face challenges in ensuring the sterility and efficiency of staple cartridge replacement and tissue handling, particularly in maintaining the sterility of the surgical instrument during procedures.
Innovation Solution
The surgical stapling system incorporates a sterile battery pack assembly with a conformal coating on the control circuit and particulate traps within the packaging assembly to maintain sterility, along with a firing member lockout mechanism to prevent unintended firing, ensuring proper tissue handling and instrument functionality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If surgical instruments are sterilized using conventional packaging methods, then sterility is maintained, but particulate contamination can still occur during sterilization and storage
Solution Approach 1:
The packaging assembly incorporates a particulate trap comprising a porous structure that allows sterilization media (steam, gas, or liquid) to pass through while physically blocking particulate matter. The porous material enables selective permeability based on particle size, permitting beneficial fluids while excluding harmful particles.
Solution Approach 2:
The particulate trap acts as an intermediary component positioned between the surgical instrument and the external environment. This intermediate barrier selectively interacts with different substances - allowing sterilization agents to reach the instrument while preventing particulate contaminants from reaching it.
2Reliability
If filters are added to packaging vents to reduce particulate contamination, then sterility is improved, but the packaging complexity increases
Solution Approach 1:
The particulate trap serves multiple functions simultaneously: it acts as a filter for particulate matter, maintains packaging vent integrity, allows sterilization media penetration, and provides structural support. This multi-functionality reduces the need for separate components for each function.
Solution Approach 2:
The particulate trap is integrated into the packaging structure as a homogeneous component rather than an add-on element. The porous material is incorporated directly into the packaging material matrix, creating a unified structure that simplifies the overall design.
3Device complexity
If conventional packaging is used without particulate traps, then packaging simplicity is maintained, but particulate contamination during sterilization occurs
Solution Approach 1:
The packaging incorporates porous materials that provide particulate filtration while maintaining simplicity. The porous structure is integrated into the packaging itself, adding minimal complexity while effectively blocking particles.
Solution Approach 2:
The particulate trap is designed to function automatically during sterilization and storage without requiring additional components or complex mechanisms. The porous structure self-regulates based on the physical properties of passing media and particles.
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 solution ensures the sterility of the surgical instrument, facilitates efficient staple cartridge replacement, and prevents unintended firing, thereby enhancing the reliability and safety of surgical procedures.
Implementation Method 1
a particulate trap (260) positioned within the packaging assembly (200). The particulate trap (260) comprises a housing (261) and a filter (262) positioned within the housing (261)
Implementation Method 2
a conformal coating on the control circuit
Data Source
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AI summary
A sterile packaging assembly configured to receive a surgical instrument is disclosed. The sterile packaging assembly comprises a vacuum-molded tray and a particulate trap. The vacuum-molded tray comprises an instrument cavity configured to receive the surgical instrument, and a trap cavity. The particulate trap is positioned in the trap cavity. The particulate trap comprises a housing including a funnel shaped side terminating in an opening. The opening is in communication with a chamber defined in the particulate trap.