MAUDE Adverse Event Report: Allergan Pleasanton CoolSculpting System; Dermal cooling pack/vacuum/massager

Catalog Number	UNK Control Unit
Medical Device Problem Code	Adverse Event Without Identified Device or Use Problem (2993)
Health Effect - Clinical Code	Hyperplasia (1906)
Date of Event	06/01/2026
Type of Reportable Event	Serious Injury
Event or Problem Description
Healthcare professional reported through a distributor that a patient experienced that their "abdomen is not deflating" (overall enlarged, like that of a pregnant woman) after coolsculpting treatment in (b)(6) 2025 to the abdomen (upper and lower) using an unknown applicator.The healthcare professional also consulted about hyperplasia and later reported that "patient later indicated a wish to withdraw the case".Practice development manager later reported "in this case, when the clinic explained the characteristics of paradoxical hyperplasia symptoms to the patient, the patient withdrew their complaint and canceled the consultation.".
Additional Manufacturer Narrative
Paradoxical adipose hyperplasia (ph) is a known potential adverse event addressed in the product labeling.According to the coolsculpting user manual, under rare adverse events, ph is characterized by a visibly enlarged tissue volume within the treatment area, which may develop two to five months after treatment.Surgical intervention may be required.Ph is not related to any coolsculpting device failure mode but it is included in the risk management files of the device because it is a risk that is inherent to the use cryolipolysis for localized fat reduction.A supplemental report will be submitted if and when additional information is obtained.

• Brand Name: CoolSculpting System
• Common Device Name: Dermal cooling pack/vacuum/massager
• Manufacturer (Section D): Allergan Pleasanton; 4410 rosewood dr; pleasanton CA 94588
• Manufacturer (Section G): Dublin; 4410 rosewood dr; pleasanton CA 94588
• Manufacturer Contact: terry ingram ; 2525 dupont drive; irvine, CA 92612 ; +1(847)936-6324
• MDR Report Key: 50036606
• Report Number: 3007215625-2026-00360
• Device Sequence Number: 10556054
• Product Code: OOK
• UDI-Device Identifier: 00816417020001
• UDI-Public: (01)00816417020001
• Combination Product (Y/N): N
• Initial Reporter Country: JA
• PMA/510(K) Number: K160259
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Foreign,Health Professional
• Initial Reporter Occupation: Physician
• Type of Report: Initial
• Report Date (Section B): 07/27/2026

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 Catalogue Number: UNK Control Unit
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 07/06/2026
• Initial Report FDA Received Date: 07/27/2026
• Was Device Evaluated by Manufacturer? (Y/N): No
• Is the Device Labeled for Single Use? (Y/N): No
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Usage of Device: Reuse
• Patient Sequence Number: 1
• Outcome Attributed to Adverse Event: Required Intervention
• Patient Sex: Unknown