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510(k) Data Aggregation

    K Number
    K210002
    Device Name
    STELLA BIO
    Date Cleared
    2021-10-01

    (270 days)

    Product Code
    Regulation Number
    890.5850
    Reference & Predicate Devices
    Why did this record match?
    Device Name :

    STELLA BIO

    AI/MLSaMDIVD (In Vitro Diagnostic)TherapeuticDiagnosticis PCCP AuthorizedThirdpartyExpeditedreview
    Intended Use

    For Prescription and Home Use by prescription from a medical professional:

    The Stella BIO is a neuromuscular electronic stimulator indical supervision for adjunctive therapy in the treatment of medical diseases and conditions

    As a powered muscle stimulator, Stella BIO is indicated for the following conditions:

    • · Relaxation of muscle spasms,
    • · Prevention or retardation of disuse atrophy,
    • · Increasing local blood circulation,
    • · Immediate post-surgical stimulation of calf muscles to prevent venous thrombosis,
    • · Maintaining or increasing range of motion,
    • · Muscle re-education.

    As a transcutaneous electrical nerve stimulator for pain relief. Stella BIO is indicated for the following conditions:

    • · Symptomatic relief and management of chronic (long-term), intractable pain,
    • · Adjunctive treatment in the management of post-surgical pain and post traumatic acute pain.

    As a biofeedback device, Stella BIO is indicated for:

    · Biofeedback, relaxation and muscle re-education.

    As an external functional neuromuscular stimulator, Stella BIO is indicated for the following conditions: · Helps to relearn voluntary motor functions of the extremities.

    As a non-implanted electrical continence device, Stella BIO is indicated for the following conditions:

    · Acute and ongoing treatment of stress, urge or mixed urinary incontinence and where the following results may improve urinary control: inhibition of the detrusor muscles through reflexive mechanisms and strengthening of pelvic floor muscles.

    · Incontinence treatment for assessing EMG activity of the pelvic floor and accessory muscles such as abdominal and the gluteus muscles.

    Patient population: Stella BIO Prescription and Home Use by prescription from a medical professional can be used on adults aged 22 yrs and older.

    Environments of Use: Clinics, hospital and home environments.

    Platform: Stella BIO is a battery-powered, wireless device, accessible through software.

    Device Description

    The Stella BIO is a neuromuscular electronic stimulator, non-implantable incontinence device and biofeedback device, designed for stationary use in the clinics and hospitals by the medical professionals as well as in the home environment by the patient.

    Stella BIO is a single presentation device (one hardware) with a single software for Prescription and Home Use by prescription from a medical professional.

    For the Prescription and Home Use by prescription from a medical professional Software License, the medical professional has the ability to adjust, monitor and progress the therapy. This License comes with two User Manuals:

    • User Manual for the medical professionals (including instructions on how to adjust parameters ● of the programs and prescribe exercises for patients)
    • User Manual for the patient (including instruction on how to use programs prescribed and adjusted by the medical professional)

    The Stella BIO is a battery-powered, wireless device, accessible through software on a mobile device (PC, tablet or smartphone). Statistics reqarding the completed treatment can be retrieved from the PC.

    In order to gain a proper understanding of Stella BIO, it is important to read the manual before beginning to use the Stella BIO.

    AI/ML Overview

    This document is a 510(k) summary for the Stella BIO device, which is a neuromuscular electronic stimulator, non-implantable incontinence device, and biofeedback device. The purpose of this summary is to demonstrate that the Stella BIO device is substantially equivalent to a legally marketed predicate device, the Stiwell med4 (K080950).

    Key Acceptance Criteria and Device Performance:

    The document primarily focuses on demonstrating substantial equivalence by comparing the Stella BIO to its predicate device across various "designations" (Powered Muscle Stimulator, Functional Electrical Stimulation, Transcutaneous Electrical Nerve Stimulation, Incontinence Programs, Biofeedback). Instead of defining explicit acceptance criteria with numerical targets as one might for a diagnostic AI, the acceptance criteria here are implicitly met by demonstrating that any differences between the new device and the predicate device, or adherence to relevant voluntary standards (IEC, ANSI/AAMI, FDA guidance), do not raise new questions of safety or effectiveness.

    Therefore, the "acceptance criteria" table below is constructed by extracting the key comparative metrics and the conclusions drawn regarding their impact on safety and effectiveness.

    1. Table of Acceptance Criteria (Implicit) and Reported Device Performance:

    Feature/CharacteristicAcceptance Criteria (Implicit)Reported Stella BIO PerformanceConclusion of Impact on SE (Safety/Effectiveness)
    General Characteristics
    Power SourceMust not influence essential performance or basic safety, and still align with substantial equivalence to predicate.Battery Pack Li-Ion 7,4 V (Predicate: 11,1 V). Compliant with IEC 62133, IEC 60601-1. Battery operated, so no line current isolation needed.Does not influence essential performance or basic safety, nor impact substantial equivalence.
    Number of Output ModesMust comply with IEC 60601-1 and IEC 60601-2-10 requirements.4 (EMS, TENS, Biofeedback, Incontinence) (Predicate: 1).Does not impact essential performance, basic safety, or substantial equivalence.
    Compliance with Voluntary StandardsMust comply with recognized FDA standards and not raise new safety/effectiveness questions.IEC 60601-1, IEC 60601-1-2, IEC 60601-2-10, IEC 60601-1-11, IEC 62304, IEC 62366, IEC 62133, ANSI/AAMI NS4 (Predicate: IEC 60601-1, IEC 60601-1-2, IEC 60601-2-10). Additional standard ANSI/AAMI NS4.Does not impact essential performance, basic safety, or substantial equivalence.
    Weight & DimensionsCompliance with IEC 60601-1, IEC 60601-2-10, and IEC 60601-1-11 requirements.Weight: 112 g (Predicate: 440 g). Dimensions: 91.5 x 68.4 x 24 mm (Predicate: 175 x 95 x 30 mm).Differences do not raise any safety or effectiveness issues.
    Powered Muscle Stimulator (PMS)
    Treatment Time RangeCompliance with IEC 60601-1 and IEC 60601-2-10.1 - 60 min (Predicate: 2 - 120 min).Does not impact essential performance, basic safety, or substantial equivalence.
    Number of Output ChannelsCompliance with IEC 60601-1 and IEC 60601-2-10.Up to 8 (Predicate: 4).Does not impact essential performance, basic safety, or substantial equivalence.
    Waveform ShapeElectrical stimulation for all waveforms must be safe and compliant with IEC 60601-2-10.Rectangular, triangular, trapezoidal, sinusoidal (Predicate: Rectangular). New shapes are safer due to lower maximal phase charge, current density.Does not impact essential performance, basic safety, or substantial equivalence.
    Max Output Voltage/CurrentCompliance with IEC 60601-2-10.Varied (e.g., Max Output Voltage (2kΩ): 60 V vs 115 V for predicate; Max Output Current (2kΩ): 30 mA vs 50 mA for predicate). All tested and compliant.Does not impact essential performance, basic safety, or substantial equivalence.
    Max Current/Power DensityLower or compliant with FDA Guidance Document for Powered Muscle Stimulator 510(k)s and IEC 60601-2-10. Max Power density
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