MAUDE Adverse Event Report: GYNESONICS SONATA RADIOFREQUENCY ABLATION HANDPIECE; COAGULATOR-CUTTER, ENDOSCOPIC, UNIPOLAR (AND ACCESSORIES)

Model Number	RFA-002
Medical Device Problem Code	Adverse Event Without Identified Device or Use Problem (2993)
Health Effect - Clinical Code	Leiomyosarcoma (4550)
Type of Reportable Event	Serious Injury
Event or Problem Description
It was reported that 2 patients received sonata procedures on unknown dates and later were diagnosed with sarcoma.No additional information was provided regarding the location of the sarcoma or any details surrounding the cases.No previous medical history was provided.No information on status of patients.
Additional Manufacturer Narrative
Lot number of the device not provided by the complainant; therefore, the udi, expiration and manufacturing dates are not known.Device history record (dhr) review was unable to be conducted for the disposable device as the identification numbers were not provided by the complainant.The device involved in this event was not returned for evaluation purposes therefore visual and functional analysis of the product could not be performed.We are unable to confirm a relationship between the device and the issue reported.The information obtained during complaint investigation will be included in our global complaint trending and product surveillance will continue to monitor complaints of this type for adverse trends.If the product is received or additional information is obtained, the investigation will be reopened accordingly per standard operating procedure.

• Brand Name: SONATA RADIOFREQUENCY ABLATION HANDPIECE
• Common Device Name: COAGULATOR-CUTTER, ENDOSCOPIC, UNIPOLAR (AND ACCESSORIES)
• Manufacturer (Section D): GYNESONICS; 200 cardinal way #250; redwood city CA 94063
• Manufacturer (Section G): GYNESONICS; 200 cardinal way #250; redwood city CA 80027
• Manufacturer Contact: daniel guevara ; 562 parkway; coyol free park zone b24; alajuela 20102 ; CR 20102
• MDR Report Key: 25185779
• Report Number: 3005875675-2026-00006
• Device Sequence Number: 10755713
• Product Code: KNF
• UDI-Device Identifier: 10817929020371
• UDI-Public: 10817929020371
• Combination Product (Y/N): N
• Initial Reporter Country: UK
• PMA/510(K) Number: K211535
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Foreign,User Facility,Company Representative
• Initial Reporter Occupation: Non-Healthcare Professional
• Type of Report: Initial
• Report Date (Section B): 05/15/2026

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: Yes
• Is this a Product Problem Report?: No
• Operator of Device: Health Professional
• Device Model Number: RFA-002
• Device Catalogue Number: RFA-002
• Was Device Available for Evaluation?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 04/23/2026
• Initial Report FDA Received Date: 05/15/2026
• Was Device Evaluated by Manufacturer? (Y/N): No
• Is the Device Labeled for Single Use? (Y/N): Yes
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Usage of Device: Initial
• Patient Sequence Number: 1
• Outcome Attributed to Adverse Event: Other
• Patient Sex: Unknown