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Thermoform saves time in surgery

Special thermoformed packaging for a medical device from Medex of Dublin, OH, is designed so that clinicians in a non-sterile environment can open the package and present its contents to surgical staff in a sterile operating room without compromising the product's sterility.

Manufactured by Plastofilm Industries (Wheaton IL) the package consists of two thermoforms sealed by DuPont's (Wilmington DE) Tyvek® lidding.

To unpack the product--an inflation system for balloon catheters--a clinician grips the product through a molded grip in an outer thermoform of Eastman Chemical's (Kingsport TN) Eastar(TM) PETG copolyester. The package is turned upside down and the lidding removed. Then while still holding a grip the clinician uprights the package and releases some pressure allowing the product and inner PETG thermoform to drop onto the work surface untouched. Such a process saves time by eliminating the need to physically touch the item before surgery which would require resterilization.

Such a "controlled drop" is an unusual feature according to Medex. "I've seen competitors' trays and I have not seen that feature on them" says Paul Kaminski Medex's manager of automation and packaging engineering. Designed by Medex the package was used to launch the product in January '96.

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