Blogs

28
Feb 2022

Package Integrity Testing using VeriPac 310 Series

Package-Integrity-Testing-using-VeriPac 310

Finding the appropriate packaging for perishable foods can be quite challenging for manufacturers. Apart from considering factors such as vulnerability and freshness, a food package must ensure safety throughout its shelf life or until it reaches the end-user. To ensure that the contents are not exposed to any foreign contamination, manufacturers should conduct regular tests that can evaluate the ability of the packaging in maintaining seal integrity. Package integrity testing can pinpoint the exact location of leaks which helps operators identify the problematic area and make necessary adjustments. As a result, manufacturers can be sure of the packaging quality and ensure that the customers enjoy their products in the freshest possible state.

For inspecting package integrity of food products, PTI has developed VeriPac 310 series, a non-destructive, non-invasive Container Closure Integrity Testing (CCIT) system for highly effective leak detection. It is an ASTM approved patented vacuum decay leak test method F2338-09 recognized by the FDA as a consensus standard for package integrity testing. The VeriPac 310 provides quantitative measurements for identifying package defects before critical process issues get out of control. The tests can be performed in any sequence with real-time results.

VeriPac 310 series was developed using VeriPac leak test instruments. The next generation of VeriPac systems combines both technological innovation and practical adjustments to current technology to make it the most sensitive and versatile vacuum-based leak detection technology to date. Through the introduction of unique test cycles, pneumatic controls and processing algorithms, the VeriPac technology is establishing itself as the foremost vacuum-based leak detection technology. VeriPac systems reduce waste and provide operators with a clear understanding of package quality.

Technology Overview

Under this method, VeriPac leak testers are connected to the test chamber designed to hold the sample packages. Vacuum is then applied to the package being tested. The absolute transducer technology is used to monitor the test chamber for both the level of vacuum as well as the change in vacuum over a predetermined test time. VeriPac 310 test systems are suitable for manual or automatic operation and are designed for laboratory offline testing and production applications for QA/QC statistical process control. Testing is more reliable, sensitive and efficient than destructive methods such as the water bath or burst test.

Benefits of VeriPac 310 Series

  • Non-destructive, non-subjective, no sample preparation
  • Deterministic, quantitative test method
  • Repeatable, rapid and reliable testing
  • Cost effective and economical
  • Simplifies the inspection and validation process
  • ASTM test method and FDA standard
Readmore...
package integrity testing, container closure integrity testing, ccit, veripac 310 series, CCI
180
08
Sep 2021

A Quick Rundown on Medical Device Package Inspection Techniques Offered by PTI

A Quick Rundown on Medical Device Package Inspection Techniques Offered by PTI

Package validations for medical devices play a significant role in ensuring safe and effective use of products when they reach the patient. Packaging for these safety-critical products must withstand the rigors of the manufacturing process, storage, and the distribution cycle. Package integrity is crucial to maintaining sterility for medical devices, especially those that are to be used during medical procedures or implanted into patients. This is because even a minute defect in the package can affect sterility of the device and cause health risk to the patient. Given below is a list of non-destructive package inspection techniques that help maintain highest quality standards.

CCI techniques offered by PTI

Vacuum Decay technology

Vacuum Decay is a non-destructive package inspection technique that offers the ability to inspect both the entire body of the package and seals for micro leaks and defects. The technology proven to provide reliable, reproducible, repeatable, and accurate quantitative results, is recognized by the FDA as a consensus standard for container closure integrity testing (CCIT). Vacuum Decay leak test method is an ASTM Test method (ASTM F2338) that was developed using PTI instruments, it is listed in ISO 11607 and referenced in the United States Pharmacopeia Chapter on CCI (USP Chapter 1207).

Technology overview

Vacuum Decay test method is simple in practice and challenges container integrity based on fundamental physical properties. The samples are placed in a closely fitting test chamber, equipped with external vacuum source. A pre-determined vacuum level is selected depending on test sample and level of sensitivity required. The next step involves evacuating the test chamber and test system dead space for a pre-determined period. Differential pressure transducers are used to monitor change in vacuum level for a specified period. A pressure increase beyond predetermined pass/fail limit indicates container leakage.

Advantages of Vacuum Decay technology:

  • Non-destructive package inspection system
  • Accurate and reliable results
  • Definite pass/fail result based on quantitative test data 
  • Accommodates multiple packaging formats
  • Eliminates destructive, subjective testing methods 
  • Effective in detecting even minute leaks 

Airborne Ultrasound technology

Airborne Ultrasound technology is a non-destructive Container Closure Integrity test used to examine seal quality for defects. It is an ASTM Test Method F3004 and FDA recognized standard for seal quality integrity testing. These tests are primarily conducted to provide advanced seal quality inspection of pouches, flexible packages and tray seals. Airborne Ultrasound technology is a non-destructive and non-invasive seal quality inspection technique suitable for many materials including Tyvek, paper, foil, film, aluminum and plastic. Airborne Ultrasound technology offers a comprehensive approach to evaluate seal quality even in conditions where a seal has a defect but may not leak.

Technology overview

Under this method, ultrasonic waves are propagated through the package seals as they move along the sensor head. This causes reflections of sound waves. The signal strength is either eliminated or reduced in the presence of any defect/leak. Such variations in signal strength are closely monitored to identify the defects.

Benefits of Airborne Ultrasound technology

  • Non-destructive, non-subjective, no sample preparation
  • Accurate and reliable results
  • Deterministic package inspection technique 
  • Works on multiple packaging formats and materials 
  • Economical cost-effective solution for seal integrity testing
  • Can be applied to 100% inline seal quality testing
Readmore...
medical device package testing, cci, ccit, airborne ultrasound technology, vacuum decay technology, pharma package inspection
341
17
Aug 2021

How to Ensure CCI of Combination Products

How to Ensure CCI of Combination Products

The rapidly increasing preference towards combination pharmaceutical products continues to fuel innovation, while presenting unique challenges in implementing a container closure integrity (CCI) testing strategy. Common examples of combination products include prefilled syringes, pen injectors, inhalers, and drug-eluting stents, orthopedic products, infusion pumps and more. The packaging for combination products can be just as complex as the products themselves. Hence, container closure integrity testing in line with current USP <1207> guidance and regulation is critical to ensure package integrity.

Techniques to ensure CCI: Helium leak testing & Microcurrent HVLD technology

1. Helium leak testing

Helium leak testing refers to the process of finding leaks in some type of enclosed or sealed system using helium as a “tracer” gas and measuring its concentration as it escapes due to leakage. Apart from being an ideal solution for ensuring Container Closure Integrity, the technology is also applicable in package design, monitoring product quality, failure analysis and line set up and validation.

Under this method, a helium leak detector otherwise known as Mass Spectrometer Leak Detector (MSLD) is used to identify and calculate size of the leak. The test part is first connected to a leak detector and then the tracer gas, helium is introduced. In the presence of a leak, helium escapes from the test parts and this partial pressure is measured and results are displayed on the meter. Helium Leak Detection per ASTM F2391, has long been recognized by the FDA as a consensus standard for package integrity evaluation. The test method is also referenced in the United States Pharmacopeia (USP) Chapter on Container Closure Integrity (CCI) – USP <1207>.

2. Microcurrent HVLD technology

PTI’s MicroCurrent HVLD technology is a non-destructive, non-invasive container closure integrity test method that is found to be highly effective across applications such as pre-filled syringes, vials, cartridges, ampoules, BFS, bottles and pouches. This technique can precisely detect any leak in a wide range of liquid-filled products including extremely low conductivity sterile water for injection (WFI) and proteinaceous products with suspensions. Under this method, the sealed container is scanned using electrode probes to detect the presence of any leak. Defects in the container as well as its approximate location can be identified by analyzing a change in the current flow. MicroCurrent HVLD technology utilizes about 50% less voltage and exposes the product and environment to less than 5% of the voltage when compared to conventional HVLD solutions. It is one of the most effective CCI technologies for all parenteral and biologic products.

Benefits of PTI’s MicroCurrent HVLD technology

  • Non-destructive, non-invasive, no sample preparation
  • Highly effective across all parenteral products, including extremely low conductivity liquids (WFI)
  • Ensure higher levels of accuracy and reliability in results
  • Offline and 100% online inspection at high production speeds
  • Simplifies the inspection and validation process
  • Referenced in USP 1207 Guideline
Readmore...
cci, pre filled syringes, helium leak testing, microcurrent hvld technology, container closure integrity testing
334
17
Jun 2021

E-Scan 655 – Quality Assurance Solution for Pre-Filled Syringes

E-Scan 655 – Quality Assurance Solution for Pre-Filled Syringes

Over the years, there has been a steady increase in the demand for pre-filled syringes for injectable drug products that can be self-administered. However, considering the complex nature of pre-filled syringes, Container Closure Integrity assurance can be quite challenging. Container Closure Integrity is understood as the ability of containers to maintain a sterile barrier against possible contamination. A leak or breach in the sterile barrier can rapidly convert a lifesaving drug into a threat for patients. Parenteral products are the highest risk of all packaging formats. Vials, ampoules, and pre-filled syringes have the highest potential for microbial growth, and the risk to the end patient amplifies the focus needed on CCI for these applications.

High Voltage Leak Detection (HVLD) has been in the market for decades. However, PTI’s MicroCurrent technology has revolutionized HVLD. MicroCurrent HVLD  aims to achieve a high level of CCI assurance across the entire range of parenteral products. High Voltage Leak Detection is a deterministic test method included in USP 1207, and is an established and reliable solution for all liquid filled parenteral products.

Pre-filled syringe testing using HVLDmc (E-Scan 655) technology

The E-Scan 655 is a Microcurrent HVLD technology-based leak test instrument used to inspect vials, syringes, and other liquid filled parenteral products. It is a non-destructive conductivity test method, exposing the package and product to lower voltage than other conductivity-based solutions.

The E-Scan 655 features a fast test cycle and simple operation. It can accommodate a wide range of applications and products, including low conductivity sterile water for injection (WFI) and proteinaceous products with suspensions. The technology uses a non-contact, non-invasive test method that requires no sample preparation. Additional benefit include ability to migrate from laboratory to 100% inline testing applications at high production speeds.

Technology Overview

The E-Scan testing process uses a set of electrode probes to scan a non-conductive container that is sealed. The container material can be glass, plastic, or poly laminate. The container or package must contain liquid (minimum fill 30%). In the presence of a pinhole, crack, or other defects, there will be a resistance differential and change in current flow, indicating a breach in the container. The approximate defect location can be identified.

Benefits of MicroCurrent HVLD technology

  • Non-destructive, non-invasive, no sample preparation
  • High level of repeatability and accuracy
  • Effective across all parenteral products, including extremely low conductivity liquids (WFI)
  • Lower voltage exposure produces no ozone, eliminating risk to the product and environment
  • Listed in USP Chapter as recommended method for parenteral liquid package inspection
  • Robust method and approximate 3x Signal-Noise-Ratio for a wide range of product classes and package formats
  • Simplifies the inspection and validation process
Readmore...
pre-filled syringe testing, Parenteral Product Leak Testing, container closure integrity testing, CCI, E-scan 655, microcurrent HVLD technology
485
23
Mar 2021

How is Vacuum Decay Technology an Ideal Nutrition Package Inspection Solution

How is Vacuum Decay Technology an Ideal Nutrition Package Inspection Solution

Nutritional products are expected to be manufactured with zero tolerance to defects and should reach the consumers in the best and safest possible state. This is a criterion that cannot be ignored due to health and safety regulations. This is because most nutritional products are subject to innate chemical reactions. Defects in the nutritional packaging can cause the products to deteriorate with exposure to oxygen, moisture and bacteria. Fats and other infant nutrients can go rancid and inert.

Among other nutritional products, the standard of quality within dehydrated dairy industry is most critical. Even a minute defect in the package can deteriorate product quality, making it unfit for consumption. This is especially true for protein-based powders which are manufactured under controlled conditions to prevent spoilage and retain its nutritional purpose throughout its shelf life.

The protein content in most dairy products allows bacteria to consume majority of oxygen content before an increase in oxygen is detected by gas testing equipment. Leaks as small as 10-20 microns will only increase the oxygen content to levels below 3%, which cannot be detected using conventional testing methods. However, such leaks can dramatically decrease the typical 12 to 24 months shelf life of protein-based products. Oxygen and moisture ingress into the package will rapidly degrade the product prior to use, changing flavor, texture, and ultimately turning any valuable product into a liability.

Since conventional testing methods like water bath or dye ingress fall short of detecting such defects, it is important to apply techniques that offer high sensitivity leak testing and quality assurance.

Ensuring package integrity with Vacuum Decay technology

Vacuum Decay technology is a Container Closure Integrity test method with proven capability of non-destructively testing packaging at the production line with unmatched reliability and sensitivity. Non-destructive testing not only allows a greater understanding of package quality, but also reduces waste as compared to destructive test methods. Waste reduction in turn results in higher return on investment and brings operations closer to green initiatives.

Vacuum Decay technology operates by placing sample packages in a closely fitting evacuation test chamber, which is equipped with an external vacuum source. Single or dual vacuum transducer technology is used to monitor the test chamber for both the level of vacuum as well as the change in vacuum over a predetermined test time. The changes in absolute and differential vacuum indicate the presence of leaks and defects within the package. PTI’s VeriPac Series a practical alternative and significant improvement to destructive test methods and can precisely detect leaks as small as 5 microns, identifying process issues before they become critical, avoiding catastrophic quality deviations.

Benefits of Vacuum Decay technology:

  • Non-destructive technology
  • ASTM Test Method F2338, FDA Consensus Standard and referenced in USP 1207 Guidelines
  • Accurate, repeatable results
  • Pass/fail results backed by quantitative test data
  • Completely tool-less with no changeover to test different packaging formats
  • Identifies which cavity is defective
  • Eliminates destructive, subjective testing methods
Readmore...
nutrition package inspection, vacuum decay technology, cci, container closure integrity test, nutritional packaging inspection
655
19
Mar 2021

Why is MicroCurrent HVLD Technology a Preferred CCI Technique for Ensuring Integrity of Biologic Products

Why is MicroCurrent HVLD Technology a Preferred CCI Technique for Ensuring Integrity of Biologic Products

Often described as the driving force of pharmaceutical industry, biologic drugs have the ability to address chronic diseases, unmet medical needs and comprise of more than half of the drugs in development. These are generally large complex molecules, derived from human, animal, or microorganisms through biotechnology. Examples include blood components, cells, vaccines, tissues, and recombinant proteins. The ability of biological drugs to treat life threatening diseases coupled with aging population has lead to tremendous growth in the global biological drugs market. However, the rapid growth of biological products has also increased packaging challenges to deliver safe and effective products.

Drug contamination is a serious concern in any medical industry; however, for biologics, it amplifies several folds because they are used to treat serious illnesses and chronic conditions. Contamination has a direct impact on product stability resulting in reduced shelf life and efficacy. Along with maintaining an acceptable shelf-life, there are other challenges too. Another important factor that can affect the quality of a drug is environmental conditions. For example, if a product is exposed to extreme temperature during transit, the product quality may be compromised. A biologic can also lose its stability if it’s unable to withstand variations in light and chemicals that it might encounter. Therefore, in order to cover packaging challenges associated with biological products, ensuring its container closure integrity is crucial.

Ensuring package integrity with PTI’s MicroCurrent HVLD technology

PTI’s MicroCurrent HVLD technology is a non-destructive, non-invasive container closure integrity test method that is found to be highly effective across applications such as pre-filled syringes, vials, cartridges, ampoules, BFS, bottles and pouches. This technique can precisely detect any leak in a wide range of liquid-filled products including extremely low conductivity sterile water for injection (WFI) and proteinaceous products with suspensions. Under this method, the sealed container is scanned using electrode probes to detect the presence of any leak. Defects in the container as well as its approximate location can be identified by analyzing a change in the current flow. MicroCurrent HVLD technology utilizes about 50% less voltage and exposes the product and environment to less than 5% of the voltage when compared to conventional HVLD solutions. It is one of the most effective CCI technologies for all parenteral and biologic products.

Benefits of PTI’s MicroCurrent HVLD technology

  • Non-destructive, non-invasive, no sample preparation
  • Highly effective across all parenteral products, including extremely low conductivity liquids (WFI)
  • Ensure higher levels of accuracy and reliability in results
  • Offline and 100% online inspection at high production speeds
  • Simplifies the inspection and validation process
  • Referenced in USP 1207 Guideline
Readmore...
Microcurrent HVLD, CCI, container closure integrity, container closure integrity testing, Integrity of biologic products
724

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