FDA Adverse Event Injury Summary report: N

COMPUDENT STA

MDR report key: 1998668 · Received January 31, 2011

Report

Report Number
3004082685-2011-00003
Event Type
Injury
Date Received
January 31, 2011
Date of Event
October 8, 2010
Report Date
January 26, 2011
Manufacturer
MILESTONE SCIENTIFIC
Product Code
EJI
PMA / PMN Number
K061904
Adverse Event
Yes
Report Source
Manufacturer report
Reporter Location
UK
Reporter Occupation
NOT APPLICABLE

Narratives

Additional Manufacturer Narrative · 1

(B)(6), A PRACTICING DENTIST IN THE (B)(6) MADE A COMPLAINT REGARDING TWO OF HIS PTS WHO HAD ADVERSE TISSUE REACTIONS AFTER P-ASA INJECTIONS WITH THE STA (SINGLE TOOTH ANESTHESIA) INSTRUMENT. THE PTS COMPLAINED OF POST-OPERATIVE DISCOMFORT AND MINOR TISSUE ULCERATION AT THE SITE OF THE INJECTIONS; ALL CONDITIONS HAVE BEEN RESOLVED WITH NO PERMANENT TISSUE DAMAGE. ADVERSE TISSUE REACTIONS ASSOCIATED WITH THE P-ASA INJECTION HAVE BEEN VERY RARELY REPORTED OVER THE LAST TWELVE YEARS, AND THE CAUSE OF THE POST-OPERATIVE COMPLICATION IN QUESTION SHOULD NOT BE ATTRIBUTED TO THE STA, BUT TO ONE OR A COMBINATION OF THE FOLLOWING CAUSATIVE FACTORS. EXCESSIVE VOLUME OF ANESTHETIC DELIVERED, ESPECIALLY WITH 4% DRUGS; EXCESSIVE FLOW RATE OF ANESTHETIC DELIVERED; EXCESSIVE CONCENTRATION OF EPINEPHRINE DELIVERED; AN ERROR IN INJECTION TECHNIQUE, SUCH AS AN INJECTION DIRECTLY INTO THE NASO-PALATINE PAPILLA OR TISSUE RATHER THAN INTO THE NASO-PALATINE CANAL; THE ANESTHETIC CAUSED AN UNTOWARD IATROGENIC REACTION FOR REASONS THAT CANNOT BE DETERMINED.

Description of Event or Problem · 1

A COMPUDENT-STA UNIT WAS USED IN CONJUNCTION WITH A WAND-STA HANDPIECE TO PERFORM A DENTAL ANESTHETIC INJECTION. THE DENTIST REPORTED THAT PALATAL INFILTRATIONS RESULTED IN ULCERATION TO THE PALATE BETWEEN THE UPPER TEETH AND INCISIVE PAPILLA. THE CASE WAS IN AN ACTIVE SMOKER OR RECENTLY STOPPED SMOKER. THE CASE RESOLVED SPONTANEOUSLY.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
1 COMPUDENT STA EJI MILESTONE SCIENTIFIC STA-5220

Patients

Seq Age Sex Outcome Treatment
1 Other