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The INTRABEAM is intended for use in radiotherapy treatments.
The INTRABEAM SMART Spherical Applicator is used with the INTRABEAM to deliver a prescribed dose of intraoperative radiation to the treatment margin or tumor bed during intracavity and intraoperative radiotherapy treatments.
The safety and effectiveness of the INTRABEAM as a replacement for whole breast irradiation in the treast cancer has not been established.
The INTRABEM Needle Applicator (comprising the Needle Applicator and guide shafts) is intended for use in combination with the INTRABEAM to intraoperatively administer radiation to tissue including irradiation of intracranial tumors.
The INTRABEAM SMART Stand is designed as an instrument support and positioning unit for the INTRABEAM.
The INTRABEAM Spherical Sizer Set shall support the doctor (surgeon and/or radiation oncologist) in assessing which spherical-shaped applicator shall be used for the radiation therapy procedure, involving INTRABEAM.

The INTRABEAM 700 is a radiation therapy device intended for targeted treatments of selected lessions for minimally invasive, intraoperative, interstital, intracavity and contact radiation therapy of tumors or tumor beds within the body of cancer patients. By applying the radiation source in conjunction with various applicators, a prescribed dose of low energy radiation can be delivered to the target volume. The delivery of the radiation dose is controlled via the integrated control unit and software.
The INTRABEAM 700 is provided as a mobile workstation. Like the previously cleared versions of the INTRABEAM system, the INTRABEAM 700 provides several tools for Quality Assurance of radiation delivery, which are intended to verify the proper functioning of the radiotherapy treatment system.
The main components of the INTRABEAM 700 system are:

• INTRABEAM Workplace - mobile cart containing the following:
  • Control Console 700 (CC700)
  • Computer with Software Version 5.0
  • Touchscreen monitor and mouse
  • UNIDOS Romeo Electrometer
  • V-guide
• XRS 4 X-ray Source
• Quality Assurance Tools: PAICH, PDA, and Ionization Chamber with Ionization Chamber Holder
• radiance Third party treatment planning simulation software
  The INTRABEAM SMART Stand is connected to the INTRABEAM 700 and is used to mount the X-ray generator (XRS 4) and the necessary applicator, in order to deliver the prescribed radiation dose at the target site.
  The INTRABEAM Spherical Applicator is a sterile disposable product that shall be placed in contact with the tumor mass and/or tumor resection cavity to deliver a prescribed dose of intraoperative radiation.
  The INTRABEAM Spherical Sizer Set is a sterile disposable product that shall be placed in contact with body part and/or tumor mass to help support the doctor (surgeon and/or radiation oncologist) in assessing which spherical-shaped applicator shall be used for the radiation therapy procedure, involving INTRABEAM.
  The INTRABEAM Needle Applicator has not been updated since the last clearance, K162568.

The provided document is a 510(k) Premarket Notification from the FDA, which assesses the substantial equivalence of a new medical device (INTRABEAM 700) to a legally marketed predicate device (INTRABEAM 600). The document focuses on regulatory compliance, safety, and performance testing to demonstrate equivalence, rather than providing details of a clinical study designed to prove the device meets specific acceptance criteria in a clinical setting with human subjects.

Therefore, the document does not contain the information requested regarding acceptance criteria and the specifics of a study proving the device meets those criteria, particularly in the context of AI assistance or human reader performance. The "Performance Testing - Bench" section describes non-clinical system testing, software verification, and compliance with various IEC standards (EMC, Electrical, Mechanical, Thermal Safety, Radiation Safety, Usability/Human Factors), which are important for device safety and functionality but are not clinical performance "acceptance criteria" as would be evaluated in a multi-reader multi-case (MRMC) study or a standalone AI performance study.

The document primarily relies on demonstrating substantial equivalence to a predicate device through:

• Identical or equivalent indications for use.
• Similar technological characteristics.
• Compliance with relevant safety and performance standards (e.g., IEC 60601-series).

In summary, none of the requested information regarding acceptance criteria for clinical performance, test set sample sizes, data provenance, expert ground truth establishment, adjudication methods, MRMC studies, standalone AI performance, or training set details are present in the provided text. The document focuses on bench testing and regulatory compliance, not clinical efficacy or AI performance metrics.

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