FDA Adverse Event Malfunction Summary report: N

NEXUS® BONESCALPEL® 20MM BLUNT BLADE AND IRRIGATION TUBING KIT

MDR report key: 20993612 · Received December 20, 2024

Report

Report Number
2435119-2024-00057
Event Type
Malfunction
Date Received
December 20, 2024
Report Date
December 20, 2024
Manufacturer
MISONIX, INC.
Product Code
LFL
PMA / PMN Number
K231117
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
MA, US
Reporter Occupation
RISK MANAGER
Health Professional
N

Narratives

Additional Manufacturer Narrative · 0

ON NOVEMBER 20, 2024, MISONIX® LLC., A BIOVENTUS® CO., RECEIVED MEDSUN REPORT#: (B)(4) INVOLVING A NEXUS® BONESCALPEL® 20MM BLUNT BLADE AND IRRIGATION TUBING KIT (PART NUMBER: 110-31-1120, LOT NUMBER: 243148). THE REPORT DOES NOT MATCH ANY COMPLAINTS RECEIVED IN THE TIMEFRAME OF THE EVENT. THE SPECIFIC DATE OF THE EVENT WAS NOT REPORTED. A SERIOUS INJURY TO THE PATIENT OR USER WAS NOT REPORTED. DELAY IN TREATMENT WAS NOT REPORTED. MEDICAL INTERVENTION REQUIRED TO PRECLUDE SERIOUS INJURY WAS NOT REPORTED. SPECIFICALLY, THE MEDSUN REPORT INDICATED: "THE BONE SCALPEL WAS USED FOR THE LAMINECTOMY, WHILE IT WAS ON THE MAYO STAND IT WAS NOTICED BY THE SURGICAL TECHNICIAN THAT THE TIP WAS BROKEN OFF. THE BROKEN TIP WAS ALSO ON THE MAYO STAND. THE SURGEON WAS MADE AWARE OF THE INCIDENT AND THE SCALPEL WAS REMOVED FROM THE FIELD. THE INCIDENT WAS REPORTED TO THE MANAGER. THE BROKEN INSTRUMENT WAS TAKEN TO MATERIALS HANDLING MANAGER AFTER THE CASE." MISONIX CONTACTED THE INITIAL REPORTER WHOSE NAME AND ADDRESS WAS ON THE RECEIVED MEDSUN REPORT. AS OF THE DATE OF THIS REPORT A RESPONSE WITH ADDITIONAL DETAILS HAS NOT BEEN RECEIVED. A REVIEW OF POST MARKET SURVEILLANCE DATA FOR THE NEXUS® SYSTEM DID NOT SHOW ANY SIGNIFICANT ADVERSE TRENDS FOR BREAKAGE OF ULTRASONIC PROBE TIPS. THE CURRENT FREQUENCY OF OCCURRENCE IS WITHIN THE FREQUENCY IN THE ORIGINAL RISK MANAGEMENT REPORT. THERE IS NO CHANGE TO THE RESIDUAL RISK OR RISK-BENEFIT RATIO OF THE DEVICE. THE RISK OF HARM IS MITIGATED BY THE NATURE IN WHICH TITANIUM ULTRASONIC BLADES BREAK DURING USE. TITANIUM DOES NOT SHATTER, SPLINTER, OR CREATE MULTIPLE FRAGMENTS THAT WOULD BE DIFFICULT TO LOCATE OR REMOVE FROM THE SURGICAL FIELD. IN MOST CASES, THE BROKEN PIECES CAN BE EASILY IDENTIFIED BY DIRECT VISUAL EXAMINATION AND REMOVED FROM THE SURGICAL FIELD. IN CASES WHERE BROKEN PIECES CANNOT BE IDENTIFIED VISUALLY, ENHANCED VISUALIZATION THROUGH THE ROUTINE USE OF LOUPE-FITTED EYEGLASSES OR MICROSCOPES CAN AID IN IDENTIFYING AND REMOVING BROKEN PIECES FROM THE SURGICAL FIELD. SURGICAL SUITES TYPICALLY HAVE ACCESS TO DIAGNOSTIC IMAGING EQUIPMENT, SUCH AS X-RAY OR FLUOROSCOPY, AND WOULD BE ABLE TO QUICKLY IDENTIFY AND LOCATE ANY FRAGMENTS NOT FOUND BY DIRECT OR ENHANCED VISUALIZATION. THE BROKEN PIECES THAT REMAIN IN THE OPERATIVE FIELD CAN THEREFORE BE FOUND AND EXTRACTED QUICKLY AND EASILY WITHOUT SIGNIFICANT DELAY IN THE SURGICAL PROCEDURE. THE INSTRUCTIONS FOR USE MANUAL (100-10-1000, REVISION K) FOR THE NEXUS® ULTRASONIC SURGICAL ASPIRATION SYSTEM CONTAINS THE FOLLOWING WARNINGS AND CAUTIONS TO PREVENT BLADE BREAKAGE. WARNING: THE NEXUS® ULTRASONIC SURGICAL ASPIRATOR SYSTEM IS INTENDED TO BE USED IN VARIOUS TYPES OF INVASIVE, SURGICAL PROCEDURES. THERE MAY BE INDIRECT DANGER TO THE PATIENT SHOULD THE DEVICE FAIL DURING THE PROCEDURE. IT IS RECOMMENDED THAT THE FACILITY FOLLOWS ITS BACK-UP EQUIPMENT PROTOCOLS. WARNING: ULTRASONIC PROBE TIPS CAN BREAK UNDER EXCESSIVE USE IN EXTREME CONDITIONS, E.G. WHEN CUTTING FOR EXTENDED DURATION IN TIGHT CAVITIES WITH LIMITED LATERAL MOTION. THE PROBE TIP COULD BREAK INTO TWO OR MORE FRAGMENTS WITH THE MAIN FRAGMENT REMAINING ATTACHED TO THE HANDPIECE. ALL FRAGMENTS MUST BE RETRIEVED IMMEDIATELY FROM THE SURGICAL SITE. THE FRAGMENTS SHOULD BE CHECKED TO ENSURE THAT NO FURTHER PIECES ARE MISSING. IT IS POSSIBLE THAT A FRAGMENT IS PROPELLED OUTSIDE OF THE SURGICAL CAVITY. DIAGNOSTIC IMAGING, SUCH AS X-RAY, MUST BE USED IF A FRAGMENT CANNOT BE FOUND TO CONFIRM THAT THE BROKEN PIECE IS OUTSIDE OF THE SURGICAL CAVITY. WARNING: BREAKAGE OF ULTRASONIC PROBE TIPS WILL RESULT IN SHARP EDGES THAT CAN BE HARMFUL TO SOFT TISSUE EVEN WITHOUT ACTIVATION OF ULTRASOUND. PROBE TIPS CAN BEND OR DEFORM BEFORE THEY ACTUALLY BREAK. PROBE TIPS SHOWING SIGNS OF DEFORMATION OR CRACKING SHOULD BE REPLACED IMMEDIATELY SINCE PROBE TIP BREAKAGE IS OTHERWISE IMMINENT. DO NOT BEND OR TWIST THE ULTRASONIC PROBE TIPS SINCE IT REDUCES THE STRUCTURAL INTEGRITY AND CAN RESULT IN PROBE TIP BREAKAGE DURING USE. DISPOSE OF DEFORMED OR BROKEN PROBE TIPS IMMEDIATELY IN A SHARPS CONTAINER IN ACCORDANCE WITH YOUR FACILITY BIOLOGICAL HAZARDOUS WASTE PROCEDURE. WARNING: DURING SYSTEM CHECK, MAKE SURE THE PROBE TIP OF THE HANDPIECE IS FREE FROM CONTACT WITH ANY OBJECT. ALLOWING CONTACT WITH THE PROBE TIP MAY RESULT IN DAMAGE AND/OR PERSONAL INJURY. CAUTION: THE SYSTEM CHECK SHOULD ALWAYS BE DONE IN ADVANCE OF PREPARING PATIENT FOR SURGERY TO MINIMIZE RISK TO PATIENT IN CASE OF SYSTEM MALFUNCTION. REFER TO SECTION 7.11 - SYSTEM CHECK. CAUTION: LOOSE PROBE TIP/TISSUE CONTACT UPON AN INITIAL BONE INCISION CAN CAUSE A THIN PROBE TIP TO RESONATE NOT ONLY LONGITUDINALLY BUT ALSO TRANSVERSELY. THIS CAN CAUSE A THIN PROBE TIP TO BREAK. IT IS NECESSARY TO ENGAGE BONE ACTIVELY AND WITH A MINIMAL PROBE TIP PRESSURE GREATER THAN ZERO IN ORDER TO PREVENT THE SHATTERING. CAUTION: CONTACT OF THE ULTRASONIC PROBE TIP OR THE EXPOSED EXTENSION WITH METAL, SURGICAL INSTRUMENTS OR OTHER OBJECTS DURING ULTRASOUND USE MUST BE AVOIDED. SUCH CONTACT CAN DAMAGE THE ULTRASONIC COMPONENTS VERY EASILY AND MAY RESULT IN COMPROMISED PERFORMANCE, INCLUDING FAILURE. DISCARD ANY EXTENSIONS OR PROBE TIPS THAT SHOW SIGNS OF DAMAGES LIKE GOUGES, NICKS OR FRACTURES. EXTERNAL ASPIRATION MAY BE USED BUT IT IS RECOMMENDED THAT A PLASTIC SUCTION PROBE TIP SHOULD BE USED WHEN IN PROXIMITY WITH THE PROBE TIP. CAUTION: THE NEXUS® SYSTEM SHOULD BE FULLY TESTED AND INSPECTED PRIOR TO EACH PROCEDURE. THE CONSOLE, FOOTSWITCH, HANDPIECES, ALL CABLES AND ACCESSORIES SHOULD BE EXAMINED FOR PROPER APPEARANCE AND CONDITION. AS OF THE DATE OF THIS REPORT A RESPONSE WITH ADDITIONAL DETAILS OF THE CASE HAS NOT BEEN RECEIVED FROM THE INITIAL REPORTER. IT IS UNCLEAR IF THE "BROKEN INSTRUMENT" THAT "WAS TAKEN TO MATERIALS HANDLING MANAGER AFTER THE CASE" IS AVAILABLE FOR EVALUATION. A FULL INVESTIGATION CANNOT BE PERFORMED WITHOUT THE DEVICE. THE INVESTIGATION HAS BEEN CONCLUDED AT THIS TIME. THIS CASE MAY BE REOPENED IF ADDITIONAL INFORMATION IS RECEIVED AT A LATER DATE.

Description of Event or Problem · 0

ON NOVEMBER 20, 2024, MISONIX® LLC., A BIOVENTUS® CO., RECEIVED MEDSUN REPORT#: (B)(4) INVOLVING A NEXUS® BONESCALPEL® 20MM BLUNT BLADE AND IRRIGATION TUBING KIT (PART NUMBER: 110-31-1120, LOT NUMBER: 243148). THE REPORT DOES NOT MATCH ANY COMPLAINTS RECEIVED IN THE TIMEFRAME OF THE EVENT. THE SPECIFIC DATE OF THE EVENT WAS NOT REPORTED. A SERIOUS INJURY TO THE PATIENT OR USER WAS NOT REPORTED. DELAY IN TREATMENT WAS NOT REPORTED. MEDICAL INTERVENTION REQUIRED TO PRECLUDE SERIOUS INJURY WAS NOT REPORTED. SPECIFICALLY, THE MEDSUN REPORT INDICATED: "THE BONE SCALPEL WAS USED FOR THE LAMINECTOMY, WHILE IT WAS ON THE MAYO STAND IT WAS NOTICED BY THE SURGICAL TECHNICIAN THAT THE TIP WAS BROKEN OFF. THE BROKEN TIP WAS ALSO ON THE MAYO STAND. THE SURGEON WAS MADE AWARE OF THE INCIDENT AND THE SCALPEL WAS REMOVED FROM THE FIELD. THE INCIDENT WAS REPORTED TO THE MANAGER. THE BROKEN INSTRUMENT WAS TAKEN TO MATERIALS HANDLING MANAGER AFTER THE CASE." MISONIX CONTACTED THE INITIAL REPORTER WHOSE NAME AND ADDRESS WAS ON THE RECEIVED MEDSUN REPORT. AS OF THE DATE OF THIS REPORT A RESPONSE WITH ADDITIONAL DETAILS HAS NOT BEEN RECEIVED.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
2354628 NEXUS® BONESCALPEL® 20MM BLUNT BLADE AND IRRIGATION TUBING KIT 20MM, BLUNT BLADE + IRRIGATION TUBING KIT LFL MISONIX, INC. 110-31-1120 243148

Patients

Seq Age Sex Outcome Treatment
1 71 YR Male Other