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The Lumenis Stellar M22 system has connection capability with the following available treatment modules, for multi-application treatment options. All modules are designed for aesthetic and dermatological skin procedure application, as follows:

• IPL with a spectrum of 400-1200nm (with different filters) is indicated for:

  • Benign epidermal lesions, including dyschromia, hyperpigmentation, melasma and ephelides (freckles).
  • Cutaneous lesions, including warts, scars and striae.
  • Benign cutaneous vascular lesions, including port wine stains, hemangiomas, facial, truncal and leg telangiectasias, erythema of rosacea, angiomas and spider angiomas, poikiloderma of Civatte, leg veins and venous malformations.
  • Removal of unwanted hair from all skin types, and to effect stable long term, or permanent hair reduction* in skin types I-V through selective targeting of melanin in hair follicles.
  • Mild to moderate inflammatory Acne (Acne Vulgaris).

• Multi-Spot Nd:YAG Laser, with a wavelength of 1064 nm is indicated for:

  • The coagulation and hemostasis of vascular lesions and soft tissue, including the treatment and clearance of superficial and deep telangiectasias (venulectasias) and reticular veins (0.1 - 4.0 mm diameter) of the leg.
  • The non-ablative treatment of facial wrinkles.
  • The removal of unwanted hair from all skin types, and to effect stable long term, or permanent hair reduction* in skin types I-V through selective targeting of melanin in hair follicles.

• The 1565nm ResurFX module, with a wavelength of 1565 nm, is indicated for:

  • Use in dermatological procedures requiring skin resurfacing and coagulation of soft tissue.

• Q-Switched Nd:YAG Laser, with a wavelength of 1064 nm, is indicated for:

  • Treatment of pigmented lesions.
  • Removal of dark tattoos.

(*) Permanent hair reduction is defined as the long-term, stable reduction in the number of hairs regrowing when measured at 6, 9 and 12 months after the completion of a treatment regimen.

The Lumenis Stellar M22 System is multi-application, multi-technology system intended for use in aesthetic dermatologic procedures.

The Stellar M22 System operates with four (4) treatment handpieces options (for connection capability), within serial operational mode:

• Intense Pulsed Light (IPL) handpiece;
• Multi-Spot Nd:YAG Laser handpiece;
• ResurFX Laser module and handpiece;
• Q-Switched Nd:YAG laser handpiece.

The following accessories are provided with and/or may be purchased independently for each of the four (4) available treatment handpieces of the Stellar M22 for Intense Pulsed Light (IPL) and Laser Systems:

• The Stellar IPL handpiece has nine (9) different filters available: Cut-off filters of 515, 560, 590,615, 640, 695 and 755 nm, Notch Filters of 400-600 & 800-1200 nm and 530650& 900-1200 nm. Further, the IPL handpiece has three (3) Sapphire Cool LightGuides available with sizes of: 15mm x 35mm, 8mm x 15 mm, 6 mm diameter.
• The Multi-Spot Nd:YAG handpiece has three (3) different LightGuides available in sizes of: 2mm x 4mm, 6 mm, and 9 mm.
• The ResurFX handpiece has two (2) different treatment tips available: SapphireCool and Precision tips
• The Q-Switched Nd:YAG handpiece has both disposable and gold-plated metal treatment tips available. The disposable treatment tips are available in four (4) different sizes of: 2, 2.5, 3.5, and 5 mm, while the metal treatment tips are available in seven (7) different sizes of: 2, 2.5, 3.5, 4, 5, 6 and 8 mm.

This FDA 510(k) clearance letter for the Stellar M22 device does not contain any information about acceptance criteria or a study proving the device meets said criteria for an AI/algorithm-driven component.

The document explicitly states:

• "No new clinical validation was required to support the Stellar M22 as the clinical validation of the Lumenis predicate device also applies to the subject device." This indicates that no new clinical study was performed for this specific submission to demonstrate performance.
• The modifications described are "mainly due to the addition of new Hardware to serve marketing, business and serviced purposes," and "to maintain Lumenis' high-level service capabilities to the professional end-users and their patients, through establishment of a secure transmission of technical information to the cloud for further analysis and rapid problem-solving." This strongly suggests the changes are related to connectivity and serviceability, not a new AI/algorithm feature requiring performance validation.

Therefore, I cannot provide the requested information from the provided text. The document describes a device modification for an existing system (Stellar M22) and asserts substantial equivalence to its predicate based on the fact that the changes are primarily hardware upgrades for service and marketing, and the clinical validation of the predicate device is considered applicable.

There is no mention of any AI component, performance criteria for such a component, or a study validating its performance in this submission.

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The subject Stellar M22 has connection capability with the following available treatment handpieces, for multi-application treatment options. All handpieces are designed for aesthetic and dermatological skin procedure applications, as follows:

• The Intense Pulsed Light (IPL) handpiece with a spectrum of 400-1200 nm (with 9 different filters) is indicated for:
  • Benign epidermal lesions, including dyschromia, hyperpigmentation, melasma, and o ephelides (freckles)
  • Cutaneous lesions, including warts, scars and striae O
  • Benign cutaneous vascular lesions, including port wine stains, hemoangiomas, facial, O truncal and leg telangiectasias, erythema of rosacea, angiomas and spider angiomas, poikiloderma of Civatte, leg veins and venous malformations
  • Removal of unwanted hair and to effect stable long term, or permanent* hair O reduction in skin types I-V through selective targeting of melanin in hair follicles
  • Mild to moderate inflammatory Acne (Acne vulgaris) o
• The Nd:YAG Laser handpiece with a wavelength of 1064 nm (Multi-Spot Nd:YAG) is ● indicated for:
  • The coagulation and hemostasis of vascular lesions and soft tissue, including the O treatment and clearance of superficial and deep telangiectasias (venulectasias) and reticular veins (0.1-4.0 mm. diameter) of the leg
  • The removal of unwanted hair and to effect table long term, or permanent* hair O reduction in skin types I-V through selective targeting of melanin in hair follicles
  • The non-ablative treatment of facial wrinkles o
• . ResurFX module and handpiece, with wavelength of 1565 nm, is indicated for:
  • Use in dermatological procedures requiring fractional skin resurfacing and O
    coagulation of soft tissue

The Q-Switched Nd:YAG Laser Handpiece with a wavelength of 1064 nm is indicated ● for:

• Removal of dark tattoos O
• o Treatment of pigmented lesions

*Note

Permanent hair reduction is defined as long-term, stable reduction in the number of hairs regrowing when measured at 6, 9, and 12 months after completion of treatment regime.

The subject Stellar M22 for Intense Pulsed Light (IPL) and Laser System is a multi-application, multitechnology platform with four (4) available treatment handpieces:

• Stellar Intense Pulsed Light (IPL) handpiece; ●
• . Multi-Spot Nd:YAG laser handpiece;
• ResurFX non-ablative laser handpiece: ●
• Q-Switched Nd:YAG laser handpiece. ●

The following accessories are provided with and/or may be purchased independently for each of the four (4) available treatment handpieces of the Stellar M22 for Intense Pulsed Light (IPL) and Laser Systems:

• The Stellar IPL handpiece has nine (9) different filters available: Cut-off filters of 515, . 560, 590,615, 640, 695 and 755 nm, Notch Filters of 400-600 & 800-1200 nm and 530-650& 900-1200 nm. Further, the IPL handpiece has three (3) Sapphire Cool LightGuides available with sizes of: 15mm x 35mm, 8mm x 15 mm, 6 mm diameter.
• The Multi-Spot Nd:YAG handpiece has three (3) different LightGuides available in sizes . of: 2mm x 4mm, 6 mm, and 9 mm.
• The ResurFX handpiece has two (2) different treatment tips available: SapphireCool and Precision tips
• . The Q-Switched Nd:YAG handpiece has both disposable and gold plated metal treatment tips available. The disposable treatment tips and metal treatment tips are available in seven (7) different sizes of: 2, 2.5, 3.5, 4, 5, 6 and 8 mm.

The provided text is a 510(k) summary for the Stellar M22 for Intense Pulsed Light (IPL) and Laser system. This document outlines the device's intended use, technological characteristics, and compares it to a predicate device (M22 System, K170060) to establish substantial equivalence.

However, the summary does not include specific acceptance criteria or details of a study that proves the device meets those criteria in a quantitative sense as often seen in clinical performance studies with specific endpoints. Instead, it describes "Performance Data" in the context of design verification, compliance with standards, and software validation to demonstrate that modifications to the device do not raise new questions of safety or effectiveness compared to the predicate device.

Therefore, many of the requested items (e.g., sample size for test set, number of experts for ground truth, MRMC study, standalone performance) are not detailed in this type of regulatory submission, as it focuses on demonstrating substantial equivalence rather than proving a specific diagnostic accuracy or treatment efficacy de novo.

Below is a summary based on the information provided, with "N/A" for information not present in the document.

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

The document does not explicitly present acceptance criteria in a quantitative table format that measures specific performance metrics against a defined threshold. Instead, it focuses on demonstrating that the Stellar M22 device's modifications do not introduce new safety or effectiveness concerns compared to its predicate. The "reported device performance" is framed in terms of functional verification and compliance with standards.

2. Sample size used for the test set and the data provenance

N/A - The document describes general performance data related to engineering verification and validation, and compliance with standards. It does not refer to a clinical "test set" with a specific sample size of patients or images for diagnostic or therapeutic performance evaluation. The data provenance is also not specified in terms of country of origin or retrospective/prospective nature, as this is not a clinical study report.

3. Number of experts used to establish the ground truth for the test set and the qualifications of those experts

N/A - No clinical "test set" requiring ground truth established by experts is described in this regulatory submission for substantial equivalence.

4. Adjudication method for the test set

N/A - No clinical "test set" or adjudication method is described.

5. If a multi-reader multi-case (MRMC) comparative effectiveness study was done, If so, what was the effect size of how much human readers improve with AI vs without AI assistance

N/A - This document does not describe an MRMC comparative effectiveness study or involve AI assistance for human readers. The device is a laser and IPL system for dermatological procedures, not an AI-powered diagnostic tool.

6. If a standalone (i.e. algorithm only without human-in-the loop performance) was done

N/A - This device is a medical instrument (laser and IPL system), not an algorithm or AI system. Therefore, standalone algorithm performance is not applicable.

7. The type of ground truth used (expert consensus, pathology, outcomes data, etc)

N/A - As there is no clinical "test set" for performance evaluation in the context of diagnostic accuracy or treatment efficacy against a reference standard, the concept of ground truth in that sense is not detailed. The performance data focuses on engineering and safety compliance.

8. The sample size for the training set

N/A - The document does not describe a "training set" in the context of machine learning or AI algorithms.

9. How the ground truth for the training set was established

N/A - Not applicable, as there is no mention of an AI training set or related ground truth.

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