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The Development of The
Davidson Marking System® Products
and Bradley Products, Inc. |
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| In
the late 1970's, lab technicians were just beginning
to explore the application we now call MOHS, a technique
for orienting excised tissue from tumors with the aid
of dye. At that time, dyes that provided good adherence
through processing were not available. Mrs.
Stewart's Bluing provided blue, mercurochrome provided red
and India ink was used for black. Dr. Terence Davidson
(UCSD) contracted with Bradley
Products, Inc. to research and develop
a collection of dyes in different colors. Finally,
after 300 samples were tested, a pigment of good
quality was found. The original full complement
of five colors became complete after more than 600
materials had been tested. In 1985, these became
known as The
Davidson Marking System®.
Most recently, a seventh color has been added and more
pigments are continually being tested.
It has now been over 20 years since Bradley Products introduced The Davidson Marking System®. These high quality tissue marking dyes enjoy wide acceptance in hospitals, clinics and research facilities around the world. The Davidson® dyes are visible, reliable and safe. While the dyes were originally developed and continue to have importance for orienting tissue, many other applications have employed their use as well. They are useful for both frozen and fresh tissue processing and can be used to process multiple specimens in a single cassette so as to better distinguish between specimens. This makes them both efficient and economical. Bradley Products has recently introduced two new products. The Davidson® Cryocup® System will revolutionize frozen section processing, simplifying and speeding up the preparation of specimens. The Davidson® Small Specimen Kit solves the increasingly common problem of tracking small specimens during histologic preparation. Both products have been developed jointly by Bradley Products and Dr. Davidson in response to needs identified by those in the medical laboratory community. Go to Publications to download a product announcement sheet for The Davidson® Cryocup® System or The Davidson® Small Specimen Kit. Direct involvement with the professional community and a commitment to quality sets Bradley Products apart as the original supplier of tissue marking dyes. We invite your questions and comments and we thank you for your interest in our products. Please contact us. |
Lab Slides of
Davidson Marking System® Dyes In Use |
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