(70 days)
The Amsco Evolution Medium Steam Sterilizer Models HC-900 and HC-1200 are designed for sterilization of heat and moisture-stable materials used in healthcare facilities and are available in two configurations:
- Prevacuum is equipped with Prevacuum, Gravity, Liquid, Leak Test and DART (Bowie-Dick) cycles.
- Steam Flush Pressure-Pulse (SFPP) is equipped with SFPP, Prevacuum, Gravity, Liquid, Leak Test and DART (Bowie-Dick) cycles.
The Amsco Evolution Medium Steam Sterilizer models HC-900 and HC-1200 are designed for sterilization of heat and moisture-stable materials used in healthcare facilities and are available in two configurations:
- Prevacuum is equipped with Prevacuum, Gravity, Liquid, Leak Test and DART (Bowie-Dick) cycles.
- Steam Flush Pressure-Pulse (SFPP) - is equipped with SFPP, Prevacuum, Gravity, Liquid, Leak Test and DART (Bowie-Dick) cycles.
The chamber sizes of the proposed Amsco Evolution Medium Steam Sterilizer Models are as follows: - 26" x 37½" x 42" (Model HC 900)
- 26" x 37½" x 54" (Model HC - 1200)
Here's a breakdown of the acceptance criteria and the study that proves the device meets them, based on the provided text:
Acceptance Criteria and Device Performance for STERIS Amsco Evolution Medium Steam Sterilizer (Models HC-900 and HC-1200)
1. Table of Acceptance Criteria and Reported Device Performance
The acceptance criteria for this medical device, a steam sterilizer, are tied to its ability to achieve a sufficient sterility assurance level (SAL), specifically a probability of survival of at least 10-6, and proper functioning of its various cycles. The performance is demonstrated through validation studies against industry standards.
| Acceptance Criteria | Reported Device Performance |
|---|---|
| Sterility Assurance Level (SAL): At least 10-6 probability of survival for all sterilization cycles. | Demonstrated: All validated cycles (Prevac, Gravity, SFPP, Liquid) achieved a sterility assurance level of at least 10-6 through complete kill of biological indicators and an appropriate safety factor (Fo value of at least 12 where applicable). |
| Empty Chamber Thermal Conditions: Capable of providing steady-state thermal conditions consistent with the predicted SAL in the load. | Demonstrated: Empty chamber testing, performed as described in ANSI/AAMI-ST8 Section 5.4.2.5, confirmed the sterilizer's capability across Prevac, Gravity, Liquid, and SFPP cycles. Meets ANSI/AAMI-ST8 Sections 4.4.2.2 and 4.4.2.5. |
| Fabric Test Pack (SFPP, Gravity, Prevac cycles): Qualification according to ANSI/AAMI-ST8 Section 5.5.2, including: - Fo value of at least 12. - Moisture retention of less than 3% increase in presterilization test pack weight. - No evidence of wet spots. | Demonstrated: - All SFPP, Gravity, and Prevac cycles validated with fabric test packs met the Fo value of at least 12. - Moisture retention was less than 3% increase in presterilization weight. - No wet spots were exhibited. |
| Full Load Instrument Trays (SFPP, Gravity, Prevac cycles): Qualification according to ANSI/AAMI-ST8 Section 5.5.4, including: - SAL of at least 10-6 using half-cycle analysis. - Moisture retention of less than 20% increase in presterilization weight of the towel. - No evidence of wet spots on the outer wrapper. | Demonstrated: - All SFPP, Gravity, and Prevac cycles validated with full load instrument trays achieved an SAL of at least 10-6 using half-cycle analysis. - Moisture retention was less than 20% increase in presterilization weight of the towel. - No wet spots were found on the outer wrapper. |
| Liquid Cycles: Qualification according to ANSI/AAMI-ST8 Section 5.5.3, including: - SAL of at least 10-6 through achievement of a time-at-temperature sufficient to produce an Fo value of at least 12. - Water loss not exceeding 50 ml. - Automatic sealing of the flask closure. | Demonstrated: - All LIQUID cycles validated using three 1,000 ml flasks achieved an SAL of at least 10-6 with an Fo value of at least 12. - Water loss did not exceed 50 ml. - Automatic sealing of the flask closure occurred. |
| DART Cycle: Qualification according to ANSI/AAMI-ST8 Section 5.6.1, demonstrating a uniform color change throughout the test sheet using the Bowie-Dick Test Pack. | Demonstrated: The DART cycle validated with the Bowie-Dick Test Pack showed a uniform color change throughout the test sheet. |
| Software Validation: Compliance with FDA's moderate level of concern recommendations for software in medical devices. | Demonstrated: Software validation for cycle operation was performed according to "Guidance for the Content for Premarket Submissions for Software Contained in Medical Devices (05/11/05)." |
| Safety and Performance Requirements: Compliance with national safety codes and standards (e.g., UL, CSA, ASME). | Demonstrated: The device complies with UL Electrical Safety Code 61010-1, CSA Standard C22.2 No. 1010-1, and ASME Section VIII, Division 1. |
| Controller Safeguards: Ability to abort cycles and provide appropriate signals/warnings for unmet conditions or malfunctions. | Demonstrated: The built-in PC controller safeguards abort the cycle and provide appropriate signals, alerts, and warnings when required conditions are not met or a malfunction occurs. |
2. Sample Size Used for the Test Set and Data Provenance
The document does not explicitly state the exact "sample size" in terms of specific numbers of sterilizer units tested or the total number of sterilization runs. However, the testing was conducted as part of internal validation studies by STERIS Corporation.
- Test Set Description: The test set for the validation of the sterilizer functionality involved various loads (fabric test packs, full load instrument trays, 1,000 ml liquid flasks) and cycles (Prevac, Gravity, SFPP, Liquid, DART).
- Data Provenance: The studies were performed by STERIS Corporation for regulatory submission in the USA (FDA 510(k)). The data would therefore be considered prospective in the context of validating the device's performance for this submission. The country of origin for the data is implicitly the USA, as STERIS is a US-based company submitting to the US FDA.
3. Number of Experts Used to Establish Ground Truth for the Test Set and Qualifications
The document does not specify the number of experts or their qualifications for establishing the "ground truth" for the test set. For a sterilizer, the ground truth is typically established through a combination of:
- Standardized Biological Indicators (BIs): These contain a known population of resistant spores, and their complete kill (indicated by no growth) after a sterilization cycle directly demonstrates sterility.
- Physical Monitoring: Temperature, pressure, and time data recorded by the sterilizer itself, along with calibrated sensors.
- Chemical Indicators: Devices that change color or state when exposed to specific sterilant conditions.
- Weight Measurements: For moisture retention assessments.
The "experts" in this context are likely the validation engineers and microbiologists who design, execute, and analyze these tests, ensuring they conform to recognized standards like ANSI/AAMI ST8.
4. Adjudication Method for the Test Set
The concept of "adjudication" (e.g., 2+1, 3+1) is typically relevant for studies involving human interpretation (e.g., radiologists reading images) where disagreement needs to be resolved. For objective performance testing of a sterilizer, especially against quantitative criteria like SAL, Fo values, and moisture retention, an adjudication method in this sense is not directly applicable.
The "adjudication" occurs through verification against predefined, quantitative criteria outlined in standards such as ANSI/AAMI ST8. If a test run meets all specified criteria (e.g., BI kill, correct Fo value, acceptable moisture, uniform color change for DART), it is deemed successful. No expert consensus or tie-breaking is needed for these objective measurements.
5. If a Multi-Reader Multi-Case (MRMC) Comparative Effectiveness Study Was Done
No, a multi-reader multi-case (MRMC) comparative effectiveness study was not done. This type of study is relevant for diagnostic devices where human operators interpret results (e.g., medical imaging AI). A steam sterilizer's performance is assessed through objective physical and biological tests, not human reader interpretation. Therefore, there is no "effect size of how much human readers improve with AI vs without AI assistance" to report.
6. If a Standalone (i.e., algorithm only without human-in-the-loop performance) Was Done
Yes, the studies described are essentially standalone in terms of the device's core function. The sterilizer's performance in achieving sterility is evaluated directly, independent of a human operator's real-time interaction with the sterilization process outcome. The "algorithm" here is the sterilizer's control system, and its performance is measured against objective standards. Human involvement is in setting up the tests, loading the sterilizer, and analyzing the results, but not in actively "interpreting" the sterilization event itself in a way that would alter its effectiveness.
7. The Type of Ground Truth Used
The ground truth used for these studies is a combination of:
- Biological Data (Microbiological Sterility): Complete inactivation of challenging biological indicators (e.g., spores). This provides direct evidence of killing microorganisms.
- Physical Measurements: Temperature, pressure, and time data collected by calibrated sensors within the sterilizer chamber and load, used to calculate Fo values (lethality measure).
- Gravimetric/Visual Assessments: For moisture retention (weighing test packs pre and post-sterilization) and visual inspection for wet spots and uniform color change (Bowie-Dick test).
- Standardized Test Packs/Loads: Specifically defined by ANSI/AAMI ST8, such as fabric test packs, full load instrument trays, and 1,000 ml liquid flasks, which represent challenging conditions for sterilization.
This is a robust form of empirical and standards-based ground truth.
8. The Sample Size for the Training Set
The document does not specify a "training set" in the typical machine learning sense. This is because the Amsco Evolution Medium Steam Sterilizer is a physical device with a deterministic control system, not an AI/machine learning algorithm that requires a training dataset. The "training" for such a device involves rigorous engineering design, manufacturing, and internal testing to meet specifications, which is then formally validated as described in the effectiveness studies.
9. How the Ground Truth for the Training Set Was Established
As there is no "training set" in the context of an AI/ML algorithm for this device, the concept of establishing ground truth for a training set does not apply here. The device's operational parameters and performance are based on established scientific principles of sterilization (heat, steam, time, pressure) and validated through adherence to industry standards, not through learning from data.
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STERIS®
JUN 2 9 2009
510(k) Summary For Amsco Evolution Medium Steam Sterilizer Models HC-900 and HC-1200
STERIS Corporation 5960 Heisley Road Mentor, OH 44060 Phone: (440) 354-2600 Fax No: (440) 639-4459
Contact:
Robert F. Sullivan Senior Director FDA Regulatory Affairs Telephone:(440) 392-7695 Fax No: (440) 357-9198
Summary Date:
June 17, 2009
STERIS Corporation = 5960 Heisley Road = Mentor, OH 44060-1834 USA = 440-354-2600
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1. Device Name
| Trade Name: | Amsco Evolution Medium Steam Sterilizer |
|---|---|
| Models: | HC-900 and HC-1200 |
| Common/Usual Name: | Steam Sterilizer |
| Classification Name: | Steam Sterilizer (21 CFR 880.6880)Product Code 80 FLE |
2. Predicate Device
K082435, Amsco Evolution Medium Steam Sterilizer, product code [FLE] cleared December 30, 2008.
3. Description of Device
The Amsco Evolution Medium Steam Sterilizer models HC-900 and HC-1200 are designed for sterilization of heat and moisture-stable materials used in healthcare facilities and are available in two configurations:
- Prevacuum is equipped with Prevacuum, Gravity, Liquid, Leak Test and . DART (Bowie-Dick) cycles.
- . Steam Flush Pressure-Pulse (SFPP) - is equipped with SFPP, Prevacuum, Gravity, Liquid, Leak Test and DART (Bowie-Dick) cycles.
The chamber sizes of the proposed Amsco Evolution Medium Steam Sterilizer Models are as follows:
- 26" x 37½" x 42" (Model HC 900) �
- . 26" x 37½" x 54" (Model HC - 1200)
4. Intended Use
The Amsco Evolution Medium Steam Sterilizer models HC-900 and HC-1200 are designed for sterilization of heat and moisture-stable materials used in healthcare facilities and are available in two configurations:
- . Prevacuum - is equipped with Prevacuum, Gravity, Liquid, Leak Test and DART (Bowie-Dick) cycles.
- Steam Flush Pressure-Pulse (SFPP) is equipped with SFPP, Prevacuum, . Gravity, Liquid, Leak Test and DART (Bowie-Dick) cycles.
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:
The Amsco Evolution Medium Prevacuum Steam Sterilizer is equipped with the following factory-programmed sterilization cycles and cycle values (Table 4-1):
| Cycles | SterilizeTemperature | SterilizeTime | Dry Time | Recommended Load |
|---|---|---|---|---|
| Prevac | 270°F (132°C) | 4 minutes | 30 minutes | Double wrapped instrument trays, maximum weight 25 lbs (11.3 kg) each and Fabric Packs. Refer to Table 4-3 for recommended quantities. |
| Prevac | 270°F (132°C) | 4 minutes | 5 minutes | Single Fabric Pack |
| Gravity | 250°F (121°C) | 30 minutes | 15 minutes | Fabric Packs. Refer to Table 4-3 for recommended quantities. |
| Liquid* | 250°F (121°C) | 45 minutes | N/A | Refer to Table 4-4 for recommended quantities. |
| Prevac | 275°F (135°C) | 3 minutes | 30 minutes | Double wrapped instrument trays, maximum weight 25 lbs (11.3 kg) each. Refer to Table 4-3 for recommended quantities. |
| Gravity | 270°F (132°C) | 15 minutes | 30 minutes | Double wrapped instrument trays, maximum weight 25 lbs (11.3 kg) each. Refer to Table 4-3 for recommended quantities. |
| Gravity | 250°F (121°C) | 30 minutes | 30 minutes | Double wrapped instrument trays, maximum weight 25 lbs (11.3 kg) each. Refer to Table 4-3 for recommended quantities. |
| Gravity | 270°F (132°C) | 25 minutes | 15 minutes | Fabric Packs. Refer to Table 4-3 for recommended quantities. |
| DART Warm-UpDART | 270°F (132°C) | 3 minutes | 1 minute | N/A |
| DART | 270°F (132°C) | 3 ½ minutes | 1 minute | Bowie-Dick Test Pack,DART Test Pack |
| Leak Test | N/A | N/A | N/A | N/A |
| Cycles | Sterilize Temperature | Sterilize Time | Dry Time | Recommended Load |
| SFPP | 270°F (132°C) | 4 minutes | 30 minutes | Double wrapped instrument trays,maximum weight 25 lbs (11.3 kg) each and Fabric Packs. Refer to Table 4-3 for recommended quantities. |
| SFPP | 275°F (135°C) | 3 minutes | 30 minutes | Double wrapped instrument trays,maximum weight 25 lbs (11.3 kg) each. Refer to Table 4-3 for recommended quantities. |
| Prevac | 270°F (132°C) | 4 minutes | 30 minutes | Double wrapped instrument trays,maximum weight 25 lbs (11.3 kg) each and Fabric Packs. Refer to Table 4-3 for recommended quantities. |
| Gravity | 250°F (121°C) | 30 minutes | 15 minutes | Fabric Packs. Refer to Table 4-3 for recommended quantities. |
| SFPP | 270°F (132°C) | 4 minutes | 5 minutes | Single Fabric Pack |
| Prevac | 275°F (135°C) | 3 minutes | 30 minutes | Double wrapped instrument trays,maximum weight 25 lbs (11.3 kg) each. Refer to Table 4-3 for recommended quantities. |
| Gravity | 270°F (132°C) | 15 minutes | 30 minutes | Double wrapped instrument trays,maximum weight 25 lbs (11.3 kg) each. Refer to Table 4-3 for recommended quantities |
Table 4-1. Amsco Evolution Medium Prevacuum Steam Sterilizer factory-programmed sterilization cycles and cycle values
*The liquid cycle is for non-patient contact use only.
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The Amsco Evolution Medium Steam Flush Pressure-Pulse (SFPP) Sterilizer is equipped with the following factory-programmed sterilization cycles and cycle values (Table 4-2):
| Table 4-2. Amsco Evolution Medium Steam Flush Pressure-Pulse (SFPP) | |
|---|---|
| Sterilizer factory-programmed sterilization cycles and cycle valuesA LIE LA LE LE LE LE LE LE LE LE LE LE LE LE LE LE LE LE LE LE LE LE LE LE LE LE LE LE LE LE LE LE LE LE LE LE LE LE LE LE LE LE LE LE LE LE LE LE LE LE LE LE LE LE LE LE LE |
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STERIS Response to 06/10/09 Request for Additional Information K091136/S001: Amsco Evolution Medium Steam Sterilizer (Models HC-900 and HC-1200)
| Cycles | SterilizeTemperature | SterilizeTime | Dry Time | Recommended Load |
|---|---|---|---|---|
| Liquid* | 250°F (121°C) | 45 minutes | N/A | Refer to Table 4-4 forrecommended quantities. |
| DARTWarm-Up | 270°F (132°C) | 3 minutes | 1 minute | N/A |
| DART | 270°F (132°C) | 3 ½ minutes | 1 minute | Bowie-Dick Test Pack,DART Test Pack |
| Leak Test | N/A | N/A | N/A | N/A |
*The liquid cycle is for non-patient contact use only.
The following table lists STERIS's recommended loads by sterilizer size:
| Sterilizer recommended loads per sterilizer size | ||
|---|---|---|
| Sterilizer Size | Wrapped Instrument Trays | Fabric Packs |
| 26" x 37 ½" x 42" | 12 | 18 |
| 26" x 37 ½" x 54" | 16 | 30 |
Table 4-3. Amsco Evolution Medium Steam
The following table is a guideline for liquid cycle processing:
Table 4-4. Amsco Evolution Medium Steam Sterilizer Liquid Cycle* Guideline
| 1200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001403147271-2-(1100 0 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 | A S M B | |
|---|---|---|
| 1000 ml | 45 minutes | |
| i1 | 1 |
- The liquid cycle is for non-patient contact use only.
The Amsco Evolution Medium Steam Sterilizer is offered in the following chamber sizes:
- 26" x 37½" x 42" (Model HC 900)
- · 26" x 371/2" x 54" (Model HC 1200)
ട്. Description of Safety and Substantial Equivalence
A summary of the technological characteristics of the device subject of this premarket notification in comparison to those of the predicate devices is included in Table 5-5.
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| General SterilizerFeatures | Amsco Evolution Medium SteamSterilizer (Models HC-900 and HC-1200) | Amsco Evolution Medium SteamSterilizer (K082435)(Models HC-600 and HC-1500) |
|---|---|---|
| Intended Use | A steam sterilizer intended forsterilization of non-porous and porous,heat- and moisture-stable materials inhealthcare facilities. | A steam sterilizer intended forsterilization of non-porous and porous,heat- and moisture-stable materials inhealthcare facilities. |
| Operating Principle | Steam is the sterilizing agent. | Steam is the sterilizing agent. |
| Sterilization CyclesOffered | PrevacGravitySFPPLiquid | PrevacGravitySFPPLiquid |
| Chamber Sizes | 26" x 26" x 39"26" x 37.5" x 60" | 26" x 37.5" x 42"26" x 37.5" x 54" |
| Chamber Door | Type 316L stainless steelVertical Sliding (26"x26")Hinged or Horizontal Sliding(26"x37½") | Type 316L stainless steelVertical Sliding (26"x26")Hinged or Horizontal Sliding(26"x37½") |
| Shell Assembly | Type 316L stainless steelASME certified | Type 316L stainless steelASME certified |
| Control Technology | Unity ControllerTouch Screen8.4" DisplayInk on Paper Printer | Unity ControllerTouch Screen8.4" DisplayInk on Paper Printer |
| Process Monitors | Chamber TransducerDual Element Chamber Drain Sensor | Chamber TransducerDual Element Chamber Drain Sensor |
| Safety Devices | Pressure Relief ValveChamber Float SwitchControl Lockout Switch | Pressure Relief ValveChamber Float SwitchControl Lockout Switch |
| Table 5-5. Summary of the Proposed and predicate Devices | |||||
|---|---|---|---|---|---|
Effectiveness
Effectiveness of sterilizer function and exposure time recommendations was demonstrated by complete kill of biological indicators and by verifying an appropriate safety factor or sterility assurance level (SAL) of at least 106 probability of survival. STERIS validates its sterilization cycles using recommended practices, standards and guidelines developed by independent organizations such as the Association for the Advancement of Medical Instrumentation (AAMI). The Amsco Evolution Steam Sterilizers have been validated to meet the requirements of ANSI/AAMI ST8, Fourth Edition, November 2001.
The results of the Amsco Evolution Steam Sterilizer verification studies demonstrate that the sterilizer performs as intended. The results are summarized as follows:
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- Empty chamber testing performed as described in Section 5.4.2.5 of . ANSI/AAMI-ST8, for the Prevac, Gravity, Liquid and SFPP cycles. These cycles demonstrated that the sterilizer is capable of providing steady state thermal conditions within the chamber that are consistent with the predicted sterility assurance level (SAL) in the load. The stcrilizer meets the requirements of Sections 4.4.2.2 and 4.4.2.5 of ANSI/AAMI-ST8.
- All SFPP cycles validated using the fabric test pack, described in Section . 5.5.2.1 of ANSI/AAMI-ST8, were qualified according to Section 5.5.2 ANSI/AAMI-ST8. These cycles demonstrated a sterility assurance level of at least 10th through achievement of a time-at-temperature sufficient to produce an « Fo value of at least 12, moisture retention of less than 3% increase in presterilization test pack weight, and no evidence of wet spots.
- All SFPP cycles validated using full load instrument trays, described in 5.5.4.1 ● of ANSI/AAMI-ST8, were qualified according to Section 5.5.4 ANSI/AAMI-ST8. These cycles demonstrated a sterility assurance level of at least 10° using half-cycle cycle analysis, moisture retention of less than 20% increase in presterilization weight of the towel, and no evidence of wet spots on the outer wrapper.
- All GRAVITY cycles validated using the fabric test pack, described in Section 5.5.2.1 of ANSI/AAMI-ST8, were qualified according to Section 5.5.2 ANSI/AAMI-ST8. These cycles demonstrated a sterility assurance level of at least 10° through achievement of a time-at-temperature sufficient to produce an Fo value of at least 12, moisture retention of less than 3% increase in presterilization test pack weight, and no evidence of wet spots.
- All GRAVITY cycles validated using full load instrument trays, described in . 5.5.4.1 of ANSI/AAMI-ST8, were qualified according to Section 5.5.4 ANSI/AAMI-ST8. These cycles demonstrated a sterility assurance level of at least 100 using half-cycle cycle analysis, moisture retention of less than 20% increase in presterilization weight of the towel, and no evidence of wet spots on the outer wrapper.
- All PREVAC cycles validated using the fabric test pack, described in Section . 5.5.2.1 of ANSI/AAMI-ST8, were qualified according to Section 5.5.2 ANSVAAMI-ST8. These cycles demonstrated a sterility assurance level of at least 100 through achievement of a time-at-temperature sufficient to produce an Fo value of at least 12, moisture retention of less than 3% increase in presterilization test pack weight, and exhibited no wet spots.
- All PREVAC cycles validated using full load instrument trays, described in . 5.5.4.1 of ANSI/AAMI-ST8, were qualified according to Section 5.5.4 ANSI/AAMI-ST8. These cycles demonstrated a sterility assurance level of at least 10° using half-cycle analysis, moisture retention of less than 20% increase in presterilization weight of the towel, and no evidence of wet spots on the outer wrapper.
- All LIQUID cycles validated using three 1,000 ml flasks, described in Section � 5.5.3.1 of the ANSI/AAMI-ST8, and were qualified according to Section 5.5.3 of ANSI/AAMI-ST8. These cycles demonstrated a sterility assurance level of at least 10° through achievement of a time-at-temperature sufficient to produce
{7}------------------------------------------------
an Fo value of at least 12, water loss not exceeding 50 ml, and automatic sealing of the flask closure. The liquid cycle is for non-patient contact use only.
- The DART cycle validated using the Bowie-Dick Test Pack, as described in o 5.6.1.1 of the ANSI/AAMI-ST8, was qualified according to Section 5.6.1 of the ANSI/AAMI-ST8, and demonstrated a uniform color change throughout the test sheet.
- The software validation for the cycle operation was performed according to . FDA's moderate level of concern recommendations provided in the document "Guidance for the Content for Premarket Submissions for Software Contained in Medical Devices (05/11/05)."
Safety
STERIS sterilizers including the Amsco Evolution Steam Sterilizer have been designed, constructed and tested to meet the safety and performance requirements of various national safety codes and standards. The Amsco Evolution Steam Sterilizer complies with the following requirements:
- . Underwriters Laboratory (UL) Electrical Safety Code 61010-1 certified by Intertek Testing Services (ITS).
- . Canadian Standards Association (CSA) Standard C22.2 No. 1010-1 as certified by Intertek Testing Services.
- American Society of Mechanical Engineers (ASME), Section VIII, Division 1 ● for unfired pressure vessels.
Hazards -- Failure of Performance
Failure of the sterilization process can lead to incidence of cross contamination, the transmission of potentially infectious organisms from one infected person to another who was not otherwise infected prior to the incident.
To avoid failure, the user must ensure that the materials, instruments and devices to be sterilized are thoroughly cleaned, the manufacturer's instructions for use are followed, the cycle to be used for each type of sterilizer load has been validated, the sterilizer has been maintained in accordance with the sterilizer manufacturer's recommended maintenance schedule and is operating properly, and each sterilizer load is monitored with available and validated biological and chemical sterilization process indicators.
The technology designed into STERIS steam sterilizers including the Amsco Evolution Steam Sterilizer provide pc controller safeguards that abort the cycle and give appropriate signals, alerts and warnings when required conditions have not been met or when a malfunction occurs.
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User Information
STERIS conducts in-house training and has developed a series of user training videos that provide helpful information about the appropriate use of steam sterilizers. STERIS further provides information to the user that is intended to ensure safe and effective use of steam sterilization in its detailed Operator Manual and other labeling. STERIS also recommends the use and periodic review of the AAMI steam sterilization standards to ensure further assurance of the safe and effective use of steam sterilization equipment in healthcare facilities.
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DEPARTMENT OF HEALTH & HUMAN SERVICES
Image /page/9/Picture/1 description: The image is a black and white logo for the U.S. Department of Health & Human Services. The logo features a stylized eagle with its wings spread, and the words "DEPARTMENT OF HEALTH & HUMAN SERVICES. USA" are arranged in a circle around the eagle. The eagle is facing to the right.
JUN 29 2009
Public Health Service
Food and Drug Administration 9200 Corporate Boulevard Rockville MD 20850
Mr. Robert F. Sullivan Senior Director Steris Corporation 5960 Heisley Road Mentor Ohio 44060
... ... ... .. .. .. ..
Re: K091136
Trade/Device Name: Amsco Evolution Medium Steam Sterilization (Models HC-900 and HC-1200)
Regulation Number: 21 CFR 880.6880 Regulation Name: Steam Sterilizer Regulatory Class: II Product Code: FLE Dated: June 17, 2009 Received: June 18, 2009
Dear Mr. Sullivan:
We have reviewed your Section 510(k) premarket notification of intent to market the device referenced above and have determined the device is substantially equivalent (for the indications for use stated in the enclosure) to legally marketed predicate devices marketed in interstate commerce prior to May 28, 1976, the enactment date of the Medical Device Amendments, or to devices that have been reclassified in accordance with the provisions of the Federal Food, Drug, and Cosmetic Act (Act) that do not require approval of a premarket approval application (PMA). You may, therefore, market the device, subject to the general controls provisions of the Act. The general controls provisions of the Act include requirements for annual registration, listing of devices, good manufacturing practice, labeling, and prohibitions against misbranding and adulteration.
If your device is classified (see above) into either class II (Special Controls) or class III (PMA), it may be subject to additional controls. Existing major regulations affecting your device can be found in the Code of Federal Regulations, Title 21, Parts 800 to 898. In addition, FDA may publish further announcements concerning your device in the Federal Register.
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Page 2- Mr. Sullivan
Please be advised that FDA's issuance of a substantial equivalence determination does not mean that FDA has made a determination that your device complies with other requirements of the Act or any Federal statutes and regulations administered by other Federal agencies. You must comply with all the Act's requirements, including, but not limited to: registration and listing (21 CFR Part 807); labeling (21 CFR Part 801); medical device reporting (reporting of medical device-related adverse events) (21 CFR 803); good manufacturing practice requirements as set forth in the quality systems (QS) regulation (21 CER Part 820); and if applicable, the electronic product radiation control provisions (Sections 531-542 of the Act); 21 CFR 1000-1050.
If you desire specific advice for your device on our labeling regulation (21 CFR Part 801), please go to
http://www.fda.gov/AboutFDA/CentersOffices/CDRH/CDRHOffices/ucm115809.htm for the Center for Devices and Radiological Health's (CDRH's) Office of Compliance. Also, please note the regulation entitled, "Misbranding by reference to premarket notification" (21CFR Part 807.97). For questions regarding the reporting of adverse events under the MDR regulation (21 CFR Part 803), please go to http://www.fda.gov/cdrl/mdr/ for the CDRH's Office of Surveillance and Biometrics/Division of Postmarket Surveillance.
You may obtain other general information on your responsibilities under the Act from the Division of Small Manufacturers, International and Consumer Assistance at its toll-free number (800) 638-2041 or (240) 276-3150 or at its Internet address http://www.fda.gov/cdrh/industry/support/index.html.
Sincerely yours.
Susan Penner
Susan Runner, D.D.S., M.A. Acting Director Division of Anesthesiology, General Hospital, Infection Control and Dental Devices Office of Device Evaluation Center for Devices and Radiological Health
Enclosure
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Indications for Use
510(k) Number (if known): K091136
Device Name:
Amsco Evolution Medium Steam Sterilizer (Models HC-900 and HC-1200)
Indications For Use:
The Amsco Evolution Medium Steam Sterilizer Models HC-900 and HC-1200 are designed for sterilization of heat and moisture-stable materials used in healthcare facilities and are available in two configurations:
- Prevacuum is equipped with Prevacuum, Gravity, Liquid, Leak Test and DART . (Bowie-Dick) cycles.
- Steam Flush Pressure-Pulse (SFPP) is equipped with SFPP, Prevacuum, . Gravity, Liquid, Leak Test and DART (Bowie-Dick) cycles.
The Amsco Evolution Medium Prevacuum Steam Sterilizer is equipped with the following factory-programmed sterilization cycles and cycle values (Table 4-1):
| Cycles | Sterilize Temperature | Sterilize Time | Dry Time | Recommended Load |
|---|---|---|---|---|
| Prevac | 270°F (132°C) | 4 minutes | 30 minutes | Double wrapped instrumenttrays, maximum weight 25lbs (11.3 kg) each andFabric Packs. Refer toTable 4-3 for recommendedquantities. |
| Prevac | 270°F (132°C) | 4 minutes | 5 minutes | Single Fabric Pack |
| Gravity | 250°F (121°C) | 30 minutes | 15 minutes | Fabric Packs. Refer toTable 4-3 for recommendedquantities. |
| Liquid* | 250°F (121°C) | 45 minutes | N/A | Refer to Table 4-4 forrecommended quantities. |
| Prevac | 275°F (135°C) | 3 minutes | 30 minutes | Double wrapped instrumenttrays, maximum weight 25lbs (11.3 kg) each. Refer toTable 4-3 for recommendedquantities |
Table 4-1. Amsco Evolution Medium Prevacuum Steam Sterilizer factory-programmed sterilization cycles and cycle values
(Division Sign-Off)
Division of Anesthesiology, General Hospital
Infection Control, Dental Devices
510(k) Number:
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STERIS Response to 06/10/09 Request for Additional Information K091136/S001: Amsco Evolution Medium Steam Sterilizer (Models HC-900 and HC-1200)
| Cycles | Sterilize Temperature | Sterilize Time | Dry Time | Recommended Load |
|---|---|---|---|---|
| Gravity | 270°F (132°C) | 15 minutes | 30 minutes | Double wrapped instrumenttrays, maximum weight 25lbs (11.3 kg) each. Refer toTable 4-3 for recommendedquantities. |
| Gravity | 250°F (121°C) | 30 minutes | 30 minutes | Double wrapped instrumenttrays, maximum weight 25lbs (11.3 kg) each. Refer toTable 4-3 for recommendedquantities. |
| Gravity | 270°F (132°C) | 25 minutes | 15 minutes | Fabric Packs. Refer toTable 4-3 for recommendedquantities. |
| DARTWarm-Up | 270°F (132°C) | 3 minutes | 1 minute | N/A |
| DART | 270°F (132°C) | 3 ½ minutes | 1 minute | Bowie-Dick Test Pack,DART Test Pack |
| Leak Test | N/A | N/A | N/A | N/A |
*The liquid cycle is for non-patient contact use only.
The Amsco Evolution Medium Steam Flush Pressure-Pulse (SFPP) Sterilizer is equipped with the following factory-programmed sterilization cycles and cycle values (Table 4-2)
| Cycles | SterilizeTemperature | SterilizeTime | Dry Time | Recommended Load |
|---|---|---|---|---|
| SFPP | 270°F (132°C) | 4 minutes | 30 minutes | Double wrapped instrument trays,maximum weight 25 lbs(11.3 kg) each and FabricPacks. Refer to Table 4-3for recommendedquantities. |
| SFPP | 275°F (135°C) | 3 minutes | 30 minutes | Double wrapped instrument trays,maximum weight 25 lbs(11.3 kg) each. Refer toTable 4-3 forrecommended quantities. |
| Table 4-2. Amsco Evolution Medium Steam Flush Pressure-Pulse (SFPP) | |
|---|---|
| Sterilizer factory-programmed sterilization cycles and cycle values |
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STERIS Response to 06/10/09 Request for Additional Information K091136/S001: Amsco Evolution Medium Steam Sterilizer (Models HC-900 and HC-1200)
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| Cycles | SterilizeTemperature | SterilizeTime | Dry Time | Recommended Load |
|---|---|---|---|---|
| Prevac | 270°F (132°C) | 4 minutes | 30 minutes | Double wrapped instrument trays, maximum weight 25 lbs (11.3 kg) each and Fabric Packs. Refer to Table 4-3 for recommended quantities. |
| Gravity | 250°F (121°C) | 30 minutes | 15 minutes | Fabric Packs. Refer to Table 4-3 for recommended quantities. |
| SFPP | 270°F (132°C) | 4 minutes | 5 minutes | Single Fabric Pack |
| Prevac | 275°F (135°C) | 3 minutes | 30 minutes | Double wrapped instrument trays, maximum weight 25 lbs (11.3 kg) each. Refer to Table 4-3 for recommended quantities. |
| Gravity | 270°F (132°C) | 15 minutes | 30 minutes | Double wrapped instrument trays, maximum weight 25 lbs (11.3 kg) each. Refer to Table 4-3 for recommended quantities. |
| Liquid* | 250°F (121°C) | 45 minutes | N/A | Refer to Table 4-4 for recommended quantities. |
| DARTWarm-Up | 270°F (132°C) | 3 minutes | 1 minute | N/A |
| DART | 270°F (132°C) | 3 1/2 minutes | 1 minute | Bowie-Dick Test Pack,DART Test Pack |
| Leak Test | N/A | N/A | N/A | N/A |
*The liquid cycle is for non-patient contact use only.
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The following table lists STERIS's recommended loads by sterilizer size:
| Sterilizer Size | Wrapped Instrument Trays | Fabric Packs |
|---|---|---|
| 26" x 37 ½" x 42" | 12 | 18 |
| 26" x 37 ½" x 54" | 16 | 30 |
Table 4-3. Amsco Evolution Medium Steam Sterilizer recom 1 Parti .
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The following table is a guideline for liquid cycle processing:
Table 4-4. Amsco Evolution Medium Steam Sterilizer Liquid Cycle* Guideline
| Number ofContainers | Volume of Liquid In OneContainer | Minimum RecommendedSterilize Time at 250°F (121°C) |
|---|---|---|
| 3 | 1000 ml | 45 minutes |
*The liquid cycle is for non-patient contact use only.
The Amsco Evolution Medium Steam Sterilizer is offered in the following chamber sizes:
- 26" x 371/2" x 42" (Model HC 900) .
- 26" x 371/2' x 54" (Model HC 1200) .
Prescription Use (Part 21 CFR 801 Subpart D) AND/OR
Over-The-Counter Use (21 CFR 801 Subpart C)
(PLEASE DO NOT WRITE BELOW THIS LINE-CONTINUE ON ANOTHER PAGE IF NEEDED)
Concurrence of CDRH, Office of Device Evaluation (ODE)
Shule H. Murphy
(Division-Sign-Off)
Division of Anesthesiology, General Hospital Infection Control, Dental Devices
510(k) Number: K091131
§ 880.6880 Steam sterilizer.
(a)
Identification. A steam sterilizer (autoclave) is a device that is intended for use by a health care provider to sterilize medical products by means of pressurized steam.(b)
Classification. Class II (performance standards).