Are My Rigid Containers · Polypropylene SMS (Spunbond-Meltblown-Spunbond) To bacteria “You can...
Transcript of Are My Rigid Containers · Polypropylene SMS (Spunbond-Meltblown-Spunbond) To bacteria “You can...
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Are My Rigid Containers
Maintaining Sterility?
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Are My Rigid Containers Maintaining Sterility?
Objectives1. List the observations to be taken each time a rigid container
is prepared for use
2. Describe do-it-yourself tests your SPD can perform to do a “quick check” on the container’s integrity
3. Explain how a minute hole in a container is different from the same size hole in cotton, paper and polypropylene wrap
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….And the Inspection Begins!
Inspect container for defects; should be free from − cracks− corrosion− pitting
Rivets and screws should be secure
Inspect edges of container lid and bottom to confirm no sharp burrs or dents that could affect the gasket seal or proper closure
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Tiny crack magnified
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Even with Diligent Visual Inspection, No Guarantees
Object Millimeters (mm) Micrometers (µm)aka: microns
Smallest size human can see 0.100 100
Magnified hole above, too small to see 0.080 80
Staphylococcus aureus bacterium 0.001 1
Tiny crack in dent Tiny hole 80µm
80 Staphylococcus bacteria standing in a row to reach across the hole that no one can see without magnification!!
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All “holes” Are Not Created Equal
Bacteria go right through holes/cracks in containers because it is an open space = nothing to stop them
But not through polypropylene non-woven wrap. Why?
Two reasons:
1. Thousands of microscopic fibers make up multiple layers of particle traps: let air through, but trap bacteria: tortuous pathway like a complex maze
2. And in some, each fiber is electret treated, making it charged in order to attract & trap any bacteria trying to penetrate the fabric.
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B
Tortuous pathway & electret, charged fibers
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Screen type; hole size capture
Contain hole or Crack
Woven cotton reusable
Polypropylene SMS (Spunbond-Meltblown-Spunbond)
To bacteria“You can enter, but never leave”
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Filters and Retention Plates
Inspect retention plates for − distorted shape − bent levers that do not secure plates properly − Inadequate spring or compression
Verify filter retention posts are secure (don’t wobble; not bent)
Inspect filter holder to ensure there are no dents, cracks, chips or sharp places
Inspect filters to make certain:− no holes− good fit in holder: fills the space without creases, folds, or
crimped edges
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Assembled Filter Unit Upon securing filter in holder, inspect retention plates to ensure
proper locking of the mechanism; does not loosen or “pop-out”
Reusable Valves: Valve itself must not have − dents − breaks − cuts − chips− foreign debris
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Gasket
Gasket seal must be completely inserted and undamaged with no:
− cracks− cuts− tears − separation (from seated track position)− visible degradation or color change (indicates aging
oxidation or chemical damage)− is not hardened
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Gasket Seal
Check container lid for “bounce” upon opening. Absence of “noticeable bounce” may indicate gasket − is degraded − no longer pliable− ruptured− requires gasket replacement
Inspect gasket for visible compression indentation formed by the upper lip of the container bottom; should be:
− uniform and continuous around entire gasket length
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Latches and Handle Observe latches are
− not separating from base− not loose− not bent − open up and down easily− latch spring is not protruding− latch bracket is not separated from lid
A solid click must occur when closing latches to confirm securely clasped with enough pressure on gasket to create seal
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Demonstration Video
Dollar Bill Seal Check
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Demonstration Video
Water Leak Check
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Demonstration Video
Water Leak Check
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Preparation and Assembly
Rigid container locks: Confirm handle is
− not loose− handle sleeve is not cracked or torn
Must have tamper-evident locks or seals
Never use a container with a lock that is not adequately sealed
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Per Manufacturer
Only components of the rigid container system specified by the manufacturer should be used
Manufacturer’s written instructions for inspection, repair, cleaning and preventive maintenance should be followed
− observe manufacturers identified indicators for maintenance
− prescribed frequency per DFU
Record date required for scheduled maintenance and document compliance and date
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Washing When loading washer, all parts must be
separated so detergent and water contact all surfaces of all containers
Place: − container base such that water doesn’t collect
• typically upside down − lids at an angle − retention plates in instrument basket and/or
away from direct, high pressure spray
Process per manufacturer’s Instruction for Use (IFUs) Use pH neutral detergent to avoid damage Ensure the container bottoms, lids and all components
(filters, plates, etc.) are dry prior to assembly
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Washed
After washing and inspection
All components completely dry
Assemble
Load following manufacturer’s instructions
Follow manufacturer's instructions for sterilization of container and its specific contents
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Verify that the container system and the items to be sterilized have been tested and validated for sterilization cycles used within your facility
Sterilization
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Sterilization
When instructions conflict or are not sufficient, contact the instrument manufacturer for guidance
If conflicting directions are not solvable and the device is needed urgently, the instrument manufacturers’ instructions must be followed.
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Sterilization
For steam sterilization cycles, pre-vacuum sterilizers are the preferred choice
Rigid containers:
− SHOULD BE placed on shelves in a steam sterilizer below absorbent items
− SHOULD NOT BE stacked in the sterilizer*
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* EXCEPTION: the manufacturer has provided written recommendations and documentation that stacking of their containers in the sterilizer has been validated.
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Cool, Then Store
Allow rigid containers to cool before removing from sterilizer cart
Do Not Place on shelves before cooled as will increase condensation (wet packs)
Do Not Touch filters at all but especially while hot as can create contamination channel
Protect from puncture and from contamination when transporting to storage area
Maintain container in a position parallel with floor while shelving
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Storage The integrity of a sterile packaged item is event-related
The chance of contamination increases over time and with increased handling
Sterile storage areas should be maintained with:
− Temperature ranging from 68º – 75º F (20º-24º C)− Humidity level ranging from 30 – 70%− At least four positive pressure air exchanges per hour
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How Many Times Are Your Containers Reused?
Junghannss estimated that containers are:− disassembled− washed − reassembled− sterilized− transported within or outside the facility− handled with dirty sharps and disinfected
re-used 1,400 to 2,300 times (a low estimate)
That’s a lot of opportunity for damaging each container
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Time to renew our insurance policies! Renewed focus on inspection, maintenance, quality assurance
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Quality Assurance
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Quality Assurance
Quality assurance testing of containers should be performed − before initial use and periodically thereafter− major change in packaging systems, materials, tray
configuration, or content density
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Quality Assurance
Biological testing Place the biological indicator inside the tray, set, or pack being
tested, usually in each corner and in the center of the set
Verification of the ability to dry the set under user conditions Observe the set for any:
− condensate on the instruments or package contents− wet or moist towels or silicone mats− visible water inside the container
Evidence of retained moisture will require additional steps to determine the necessary cycle
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Continued Sterility Confidence
Fast periodic “checks” on several containers similar to video demonstrations shown are suggested:
− leak check
− dollar bill test gasket seal check
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Quality Assurance
For instructions for periodic product quality assurance testing of rigid sterilization containers systems, refer
to AAMI’s currentST 79
“Comprehensive guide to steam sterilization and sterility assurance in health care facilities”
http://www.aami.org/
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SterileEach Use Yearly
Seals• Worn• Abraded• Cuts. Creases• Slipped from position• Lose• Hardened• Degrading (oxidized)• Stretched
Dents, cuts, cracks
Handle
Filter Housing
Latches
Bolts, rivets, nuts for movement
Test bacterial barrier effectiveness
• Hospital-associated infections (HAI) kill more people in the US than motor vehicle, breast cancer and HIV combined
• Surgical Site Infections represent 17% of all HAIs
• Over 27 million surgical procedures performed annually
• Essential that every instrument, device and implant we certify as sterile, is indeed sterile
• Our initials represent our personal professional assurance
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Dunkelberg Study
216 rigid sterilization containers obtained in-use inventory of 4 hospitals inspected per facilities policy
All judged appropriate for maintaining content sterility
However, majority (80%) failed to prevent contamination after sterilization when tested with aerosolized bacteria
We need to do a better job of inspection, verification, quality assurance
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We Must Do A Better Job
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Are My Rigid Containers Maintaining Sterility?
For Your Patient’s SafetyTake the Steps Necessary To Ensure You Are Confident They Are!
Thank You!!33
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1. International Association of Healthcare Central Service Materiel Management (IAHCSMM). In: Lind N, Ninemeier JD, eds. Central Service Technical Manual. 7th ed. Chicago, IL: International Association of Healthcare Central Service Materiel Management;2007:237-264.
2. Association for the Advancement of Medical Instrumentation (AAMI), American National Standards Institute (ANSI). Containment devices for reusable medical device sterilization. ANSI/AAMI ST77:2006. Arlington, VA : Association for the Advancement of Medical Instrumentation; 2006.
3. Association for periOperative Registered Nurses (AORN). Recommended Practices for Selection and Use of Packaging Systems for Sterilization. In: Conner R, ed. 2010Perioperative Standards and Recommended Practices. Denver, CO: AORN, Inc.; 2010:447-456.
4. Association for the Advancement of Medical Instrumentation (AAMI), American National Standards Institute (ANSI). Comprehensive guide to steam sterilization and sterility assurance in health care facilities. ANSI/AAMI ST79:2010, ANSI/AAMI ST79/A1:2009 and ANSI/AAMI ST79/A1:2008. Arlington, VA: Association for the Advancement of Medical Instrumentation; 2009.
5. Association for periOperative Registered Nurses (AORN). Recommended Practices for Sterilization in the Perioperative Practice Setting. In: Conner R, ed. 2013 Perioperative Standards and Recommended Practices. Denver, CO: AORN, Inc.; 2013.
6. Update: The Joint Commission’s Position on Steam Sterilization in: The Joint Commission Perspective, July 2009, Vol. 29, Number 7; p.8,11.
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ReferencesAre My Rigid Containers Maintaining Sterility?
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Selection and Use of Rigid Containers for SterilizationAdditional Resources
Association of periOperative Registered Nurses (AORN)2170 South Parker Road, Suite 300Denver, CO 80231-5711Phone: 800-755-2676; Fax: 303-750-2927; www.aorn.org
Association for the Advancement of Medical Instrumentation (AAMI)1110 North Glebe Road, Suite 220Arlington, VA 22201-4795Phone: 703-525-4890; Fax: 703-276-0793; www.aami.org
The Joint CommissionOne Renaissance BLVDOakbrook Terrace, IL 60181Phone: 630-792-5000; Fax: 630-792-5599; www.jointcommission.org
Centers for Medicare and Medicaid Services (CMS)7500 Security BoulevardBaltimore, MD 21244Phone: 877-267-2323; www.cms.gov
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Selection and Use of Rigid Containers for SterilizationAdditional Resources
American Hospital AssociationDivision of Quality Control and ManagementOne North FranklinChicago, Illinois 60606Phone: 312-422-3000; Fax: 312-422-4796; http://www.hospitalconnect.com/ah; a/about/index.html
Association for Professionals in Infection Control and Epidemiology, Inc. (APIC)1275 K Street, NW, Suite 1000Washington, DC 20005-4006Phone: 202-789-1890; Fax: 202-789-1899; www.apic.org
Centers for Disease Control and Prevention (CDC)Hospital Infections Program1600 Clifton RoadAtlanta, GA 30333Phone: 800-311-3435; www.cdc.gov
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