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Pentax Issues Urgent Recall of Duodenoscopes for Bug Fixes

Endoscope in doctor's hand

Pentax is recalling a duodenoscope with a troubled history after the U.S. Food and Drug Administration approved design changes intended to prevent the surgical tool from spreading infections between patients.

The scopes are used in endoscopic procedures, and models by several companies have posed problems for cleaning between procedures. Doctors use the scopes to place small cameras inside patients and perform minimally invasive surgeries and tests. They can be used for things like gallstones, pancreatitis and draining bile ducts.

Design Makes Scopes Hard to Clean

Their complicated design may make it difficult to thoroughly clean and sterilize them of patient fluids and organisms between procedures.

Did you contract a superbug infection from an ERCP duodenoscope procedure?

Scopes made by Olympus have been implicated in a superbug outbreak, and scopes made by Fujifilm have been removed from the market altogether.

The latest Pentax recall involves the ED-3490TK duodenoscope, which has been linked to risk of spreading bacterial infections.

Last year, Pentax reported that the scope involved in the newest recall had design flaws that could lead to infection in patients. The cleaning instructions for the scopes had previously been updated in February 2016.

Pentax Plans to Replace Parts

The company plans to replace the forceps elevator mechanism, O-ring seal and distal end cap in the recall, according to the FDA. Pentax will also update its operation manual. The changes are designed to reduce the potential that patient fluids will leak into the enclosed elevator channel and under the instrument’s distal cap.

The device was previously recalled for similar reasons in January 2017.  At the time, health care facilities were told to stop using any of the devices that showed any signs of damage, such as loose parts, cracks and gaps in the adhesive or kinks or bends in tubing.

The FDA said it will continue to “closely monitor the association between reprocessed endoscopes and the transmission of infectious agents.”

Last modified: February 8, 2018

Author

Elaine Silvestrini is a career journalist with a strong desire to learn, explain, and help people. At Drugwatch, Elaine has reported about trials over whether talcum powder caused ovarian cancer and allegations that Androgel causes heart problems in patients who use it. She has chronicled the billions of dollars generated for big pharmaceutical companies by certain drugs and efforts to warn consumers about the dangers of specific medical problems. Elaine has received six health literacy certificates for completing courses offered by the Centers for Disease Control and Prevention. She brings more than 20 years of experience covering state and federal court systems, learning the intricacies of criminal and civil law, developing investigative pieces about how the law affects people’s lives and digging through and digesting reams of court records on a daily basis.


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  1. U.S. Food and Drug Administration. (2018, February 7). Pentax Medical Duodenoscope Model ED-3490TK: FDA Safety Communication – Updated Design and Labeling Cleared. Retrieved from https://www.fda.gov/Safety/MedWatch/SafetyInformation/SafetyAlertsforHumanMedicalProducts/ucm595788.htm
  2. U.S. Food and Drug Administration. (2017, January 17). Class 2 Device Recall Pentax Video Duodenoscope. Retrieved from https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfRES/res.cfm?id=155670