Potential for Injury from Circumcision Clamps

U.S. Food and Drug Administration (Rockville, MD 20857, USA), 29 August 2000.

(You are encouraged to copy and distribute this information)

Dear Colleague:

This letter is to alert you to the potential for injury from two commonly used circumcision clamps, the Gomco®/gomco-type and Mogen®/mogen-type clamps. Both are widely used during circumcision to remove the foreskin while protecting the glans penis.

Although research suggests that circumcision is generally a safe procedure, we are concerned that some serious device-related complications have occurred. We received 105 reports of injuries involving circumcision clamps between July 1996 and January 20001. These have included laceration, hemorrhage, penile amputation, and urethral damage.

We are providing recommendations below that can help avoid these complications.

Nature of the Problem

Gomco® and Gomco-type Clamps

The use of Gomco® and gomco-type clamps that have been reassembled by users with parts from different manufacturers, or that have bent parts or mismatched components, has led to clamps breaking, slipping, falling off during use, tearing penile tissue or failing to make a tight seal. Please note that although Gomco- and gomco-type clamps may appear to have interchangeable parts, these parts may not always be safely interchanged because they may vary slightly in dimensions.

Mogen® and Mogen-type Clamps

The use of Mogen® and mogen-type clamps that have jaw gap dimensions greater than those in the manufacturer's specifications, or use of clamps inappropriately sized for patients, has led to patient injuries. In such cases, the clamp may allow too much tissue to be drawn through the opening of the device, thus facilitating the removal of an excessive amount of foreskin and in some cases, a portion of the glans penis.

Recommendations

General:

Before performing a circumcision procedure, examine the clamp to determine that all parts are available, undamaged, and within the manufacturer's specification.

Gomco® and Gomco-type clamps:

Mogen® and Mogen-type clamps:

Reporting Adverse Events to FDA

The Safe Medical Devices Act of 1990 (SMDA) requires hospitals and other user facilities to report deaths and serious injuries associated with the use of medical devices. This means that if the use of a Gomco/gomco-type clamp or a Mogen/mogen-type clamp result in a death or serious injury, you must report that event. We request that you follow the procedures established by your facility for such mandatory reporting.

If a circumcision clamp malfunctions, you can report this directly to the manufacturer. Alternatively, you can report directly to MedWatch, the FDA's voluntary reporting program. You may submit reports to MedWatch four ways: online to http://www.accessdata.fda.gov/scripts/medwatch/ by telephone at 1-800-FDA-1088; by FAX at 1-800-FDA-0178, or by mail to MedWatch, Food and Drug Administration, HF-2, 5600 Fishers Lane, Rockville, MD 20857.

Getting More information

If you have questions regarding this letter, please contact Sherry Purvis-Wynn, Office of Surveillance and Biometrics (HFZ-510), 1350 Piccard Drive, Rockville, Maryland, 20850, by fax at 301-594-2968, or by e-mail at phann@cdrh.fda.gov. Additionally, a voice mail message may be left at 301-594-0650, and your call will be returned as soon as possible.

All of the FDA medical device postmarket safety notifications can be found on the World Wide Web at http://www.fda.gov/cdrh/safety.html. Postmarket safety notifications can also be obtained through e-mail on the day they are released by subscribing to our list server. To subscribe, send a message to fdalists@archie.fda.gov. In the body of the text, type "subscribe dev-alert".

Sincerely yours,

David W. Feigal, Jr., MD, MPH
Director
Center for Devices and Radiological Health
Food and Drug Administration


References

  1. FDA MedWatch Reports, July 1992 through January 2000.
  2. IPM Procedure: Circumcision Clamps, Health Devices 2000 January; 29(1):22-3.
  3. Hazard: Routine inspection needed for scissors-type circumcision clamps, Health Devices 1999 Mar; 28(3):115-6.

Additional Information

  1. Hazard: Incompatibility of different brands of Gomco-Type circumcision clamps. Health Devices 1997 Feb; 26(2):76-7.
  2. Hazard: Amputations with use of adult-size scissors-type circumcision clamps on infants. Health Devices 1995 Jul; 4(7):286-7.
  3. Hazard: Damaged Allied Healthcare Products Gomco circumcision clamp. Health Devices 1993 Mar; 22(3):154-5.

Citation:

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