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Sep 1, 2016

When Do You Need to Do Test Method Validation?

Sep 1, 2016|Test Method Validation|

By: Jim McGovern, Validation Manager, DDL
Recently, I participated in a discussion regarding the role of test method validation (TMV) in new product development. Included in that discussion was a question that comes up frequently, “When do we need to do test method validation?” One of the parties in the discussion volunteered an answer (paraphrased):

You need […]

Jul 11, 2016

ASTM D4169 Truck Profile Update

Jul 11, 2016|ASTM, ASTM D4169, Packaging Validation|

ASTM D4169, the standard practice for performance testing of shipping containers and systems, has recently been updated. The truck vibration data, profiles and testing techniques are the basis for the updates. Following is a summary of the rational for the update.

Rational for Update
In recent years the truck profile data referenced in ASTM D4169 Section 12.4 […]

Jun 9, 2016

DDL PackReview: ASTM-F1929 Dye Penetration

Jun 9, 2016|Medical Device Package Testing, Packaging Validation, Seal Strength Testing|

In this edition of DDL’s PackReview series, DDL Packaging Engineers Scott Levy and Peter Johnson discuss the following topics on ASTM –F1929 Dye Penetration testing:

What is Dye Penetration?
Why use it?
What are the different methods?
What are the major concerns?
Can anybody do ASTM-F1929?

Dye Penetration is a physical seal integrity test. The test […]

May 31, 2016

DDL Expands Scope of its ISO/IEC 17025 Accreditation

May 31, 2016|DDL News, ISO 17025, Product Testing|

DDL has expanded the scope of its ISO/IEC 17025:2005 accreditation from the American Association for Laboratory Accreditation (A2LA) to include ISO 594-1 and ISO 594-2 testing for conical (Luer) fittings.

A conical Luer fitting is the most common means of achieving a leak-free connection between two medical devices (e.g. a syringe and hypodermic needle) that carry […]

Apr 1, 2016

ASTM F88 Package Seal Strength Testing Overview

Apr 1, 2016|Medical Device Package Testing, Packaging Validation, Seal Strength Testing, Uncategorized|

Welcome to DDLs PackReview series on Seal Strength Testing
In this video, DDL Inc Package Engineers Scott Levy and Pete Johnson sat down to talk about the most frequently asked questions they receive on ASTM F88 Seal Strength testing. Some of the questions covered include:

What is seal strength testing?
Why use it?
What are the […]

Feb 3, 2016

10 Things You Should Do Before Your Next Package Validation

Feb 3, 2016|Medical Device Package Testing, Packaging Validation|

Before you set out to validate a medical device package design or process, you’ve got to do your homework in order to understand what is critical to build the proper foundation for a sterile barrier system and to avoid a breach of that system. Scott Levy, senior packaging engineer for DDL, offers the following 10 […]

Sep 18, 2015

DDL Celebrates 25th Anniversary

Sep 18, 2015|DDL News|

DDL, Inc. is celebrating its 25th anniversary of providing package, product and material testing to the medical device industry.

DDL was founded in 1990 by John Hart and Patrick Nolan. Hart and Nolan had previously worked for Eden Prairie based testing products supplier MTS Systems. The two started DDL (originally called Distribution Dynamic Labs) when an […]

Aug 6, 2015

DDL Now Offering Test Method Validation Services

Aug 6, 2015|Test Method Validation, Testing Services|

DDL is now offering test method validation (TMV) services to medical device manufacturers and developers.

Test method validation is the documented process of ensuring a test method is suitable for its intended use. It involves establishing the performance characteristics and limitations of a method and the identification of influences which may change those characteristics.

“TMV is a […]

Jul 22, 2015

DDL Expands Its Medical Device Package Testing Capacity

Jul 22, 2015|Medical Device Package Testing, Medical Device Packaging, Packaging Validation|

DDL has expanded capacity for medical device package testing at its laboratories in Fountain Valley, CA and Eden Prairie, MN.

The expansion includes the addition of more chambers at its recently opened facility at the Fountain Valley laboratory to provide increased capacity for environmental conditioning, real time aging and accelerated aging testing. Additional chamber capacity has […]

Jun 29, 2015

FAQ’s About Electrosurgical Accessory Testing IEC 60601-2-2

Jun 29, 2015|Medical Device Testing|

When DDL purchased Citech in 2010, it took on the challenge of learning the methodology to perform electrosurgical accessory testing under the guidance of Citech’s founder and president, Robert Mosenkis. Citech’s primary area of expertise was in the performance testing of the insulation that protects patients and practitioners from the high voltage electrical signals used […]

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DDL's testing laboratories are located in Eden Prairie, MN and Fountain Valley, CA. Learn more about the different testing services provided at each location.

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