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The Needle Applicator set (comprising the Needle Applicator and guide shaft) is indicated for use in combination with the INTRABEAM® System to intraoperatively administer radiation to tissue including irradiation of intracranial tumors.

The proposed device is a modification of the INTRABEAM® System with Balloon Applicator, K090584, incorporating a Needle Applicator and guide shafts that are used to open a tract for the positioning of the applicator for irradiation of turnors. The INTRABEAM® System that will be used with the new Needle Applicator accessory was most recently described in K090584. There are no modifications to the INTRABEAM® System hardware or software. The INTRABEAM® Core System consists of the following components: PRS500 Control Console, XRS4 X-ray source, User terminal. Components of the Needle Applicator set are as follows: 1) Inner Sterile Packaging, 2) 5 cm guide shaft, 3) 6 cm guide shaft, 4) Needle Applicator. The physical design of the Needle Applicator consists of a polycarbonate case which fits over the probe of the XRS 4 X-ray source, a stainless steel shaft, and a polyetherimide tip for the Applicator. The guide shafts are stainless steel.

The Carl Zeiss Surgical INFRARED 800 with the FLOW 800 option is a surgical microscope accessory used in viewing and visual assessment of intra-operative blood flow in the cerebral vascular area including, but not limited to, assessing cerebral aneurysm and vessel branch occlusion, as well as patency of very small perforating vessels. It also aids in the real-time visualization of blood flow and visual assessment of vessel types before and after Arteriovenous Malformation (AVM) surgery. Likewise, INFRARED 800 with the FLOW 800 option used during fluorescence guided surgery aids in the visual assessment of intra-operative blood flow as well as vessel patency in bypass surgical procedures in neurosurgery, plastic and reconstructive procedures and coronary artery bypass graft surgery.

INFRARED 800 with the FLOW 800 option is an accessory to the OPMI Pentero surgical microscope for visualizing blood flow intraoperatively. INFRARED 800 allows the surgical microscope to produce light to illuminate the fluorescence properties of the Indocyanine Green (ICG) dye and to detect the emitted fluorescent signal to examine the human vascular system during surgery. FLOW 800 provides the surgeon with a processing mode that allows convenient handling and visualization of the INFRARED 800 video data.

The INTRABEAM® System is indicated for radiation therapy treatments. The INTRABEAM® Spherical Applicators are indicated for use with the INTRABEAM® System to deliver a prescribed dose of radiation to the treatment margin or tumor bed during intracavity or intraoperative radiotherapy treatments. The INTRABEAM® Balloon Applicator together with the INTRABEAM® System is intended to deliver intracavitary or interstitial radiation to the surgical margins following lumpectomy for breast cancer. The safety and effectiveness of the INTRABEAM® System as a replacement for whole breast irradiation in the treatment of breast cancer has not yet been established.

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The INTRABEAM® System is intended to be used for radiation therapy treatment. The INTRABEAM® System is indicated for radiation therapy treatments. The INTRABEAM® Spherical Applicators are indicated for use with the INTRABEAM® System to deliver a prescribed dose of radiation to the treatment margin or tumor bed during intracavity or intraoperative radiotherapy treatments.

The INTRABEAM® System described in this Special 510(k) is a modification and enhancement of the PRS400 System cleared under K980526 and K992577. The INTRABEAM® System consists of the PRS500 Control Console, the XRS 4, the Workstation Software, the User Terminal, the verification accessories, and the treatment accessories. The PRS500 Control Console provides all low-level operational control and safety functions of this System. The User Terminal with Workstation Software is the primary interface between the System and the user. The Software provides the high level control and display functions of the System. With the INTRABEAM® System, the radiologist, physicist, or technologist uses the Workstation Software on the User Terminal to set up the PRS500 Control Console (perform the pre-treatment verification and treatment planning), perform the treatment to completion, log all procedure variables and events, and after completion of the treatment, save and/or print treatment and performance data.