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510(k) Data Aggregation

    K Number
    K160052
    Device Name
    CUR Model 1
    Date Cleared
    2016-05-20

    (130 days)

    Product Code
    Regulation Number
    882.5890
    Reference & Predicate Devices
    N/A
    Predicate For
    AI/MLSaMDIVD (In Vitro Diagnostic)TherapeuticDiagnosticis PCCP AuthorizedThirdpartyExpeditedreview
    Intended Use

    A transcutaneous electrical nerve stimulation (TENS) Mode which is indicated for the symptomatic relief and management of chronic intractable pain, and for temporary relief of pain associated with sore and aching muscles in the shoulder, waist, back, neck, upper extremities (arm) and lower extremities (leg) due to strain from exercise or normal household work activities. , and

    A powered muscle stimulation (PMS) mode which is indicated to improve and facilitate muscle performance in healthy muscles.

    The CUR Model 1 should be applied to normal, healthy, dry and clean skin of adult patients.

    Device Description

    CUR is a high-quality wearable medical device that provides professional-grade TENS therapy along with an easy-to-use interface and compact aesthetic design. It is comprised of the main CUR device, a disposable gel pad, and a charging cable with AC adapter for recharging the device.

    A use session typically begins with the user placing the Gel Pad on the skin near the location of pain, attaching the CUR Device to the Gel Pad using the magnetic attachment points on the bottom surface of the Device and on the plastic connector of the Gel Pad. The user then presses the power "start/stop" button on the Device to begin treatment. The user may use buttons on the Device labeled with standard ISO "+" and "-" symbols to control the intensity of treatment. They also may connect the Device to a compatible Mobile Device via Bluetooth and control treatment through the CUR Mobile App. After treatment is finished, the user may leave the Device attached to the Gel Pad until the next treatment session, or may remove the Device from the Gel Pad and attach the Device to the Charging Base using the magnetic attachment points on the Device and Charging Base to store and re-charge the Device.

    CUR Model 1 may be used for pain relief on most parts of the body. Intended placements include:

    • Shoulder ●
    • Waist ●
    • Back
    • Neck
    • Upper extremities (arm) ●
    • Lower extremities (leg)

    Do not place CUR Model 1 on the throat, chest, or head.

    The disposable Gel Pad utilizes a high-quality polyacrylate hydrogel material that provides excellent patient comfort, biocompatibility, and adherence to a wide range of skin types. Pads typically last about 6-10 days with regular daily use and storage before needing to be replaced. And since the Device uses an internal rechargeable battery for power, no other batteries or consumables are needed offering increased convenience and positive benefit to the environment.

    The Mobile App provides access to treatment controls and usage instructions for the device from a compatible mobile device. This is an added convenience for cases where the user would rather adjust the treatment from their mobile devices rather than directly from the app and also a means of providing detailed warnings and usage instructions information in a portable way that the user can access at any time.

    AI/ML Overview

    The provided text describes the Thimble Bioelectronics CUR Model 1, a transcutaneous electrical nerve stimulator (TENS) and powered muscle stimulation (PMS) device. The document primarily focuses on demonstrating substantial equivalence to predicate devices rather than directly presenting a standalone study for the device against specific acceptance criteria.

    However, based on the non-clinical testing section and the comparison tables, we can infer the acceptance criteria are largely related to meeting established electrical performance specifications and international safety/performance standards.

    Here's an analysis of the requested information:

    1. A table of acceptance criteria and the reported device performance

    Since specific acceptance criteria are not explicitly listed in a direct "acceptance criteria table" in the document, these are inferred from the technological characteristics comparison with predicate devices and the non-clinical testing performed against recognized standards. The "reported device performance" refers to the CUR Model 1's measured electrical specifications.

    Acceptance Criterion (Inferred)Reported Device Performance (CUR Model 1)Justification/Reference
    Electrical Safety Standards ComplianceComplies with IEC 60601-1:2012, IEC 60601-2-10:2012, IEC 60601-1-11:2010"Verification and validation test results established that the device meets its intended use... including compliance with the following standards: Safety: IEC 60601-1... IEC 60601-2-10... IEC 60601-1-11" (Page 10)
    EMC Standards ComplianceComplies with IEC 60601-1-2:2014, FCC Part 15"EMC: IEC 60601-1-2:2014... FCC part 15" (Page 10)
    Software Standards ComplianceComplies with IEC 62304:2006"Software: IEC 62304:2006" (Page 10)
    Usability Standards ComplianceComplies with IEC 62366-1:2015"Usability: IEC 62366-1:2015" (Page 10)
    Biocompatibility Standards ComplianceComplies with ISO 10993-5:2009, ISO 10993-10:2010"Biocompatibility: ISO 10993-5:2009... ISO 10993-10:2010" (Page 10)
    Patient Leakage Current (Normal Condition)
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