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Embosphere Microspheres are indicated for use in the embolization of:

• Hypervascular tumors, including symptomatic uterine fibroids
• Prostatic arteries for symptomatic Benign Prostatic Hyperplasia (BPH)
• Arteriovenous malformations
• Blood vessels to occlude blood flow to control bleeding/hemorrhaging in the peripheral vasculature

Embosphere Microspheres are small, compressible, hydrophilic, biocompatible spheres made of acrylic polymer and porcine-derived gelatin. The microspheres are packaged in 0.9% saline and are provided sterile and non-pyrogenic in a vial or in a syringe.

The product is provided in seven size ranges to allow physicians to choose the appropriate size necessary for the vessel being embolized. The size ranges available are:
• 50-100 microns
• 40-120 microns
• 100-300 microns
• 300-500 microns
• 500-700 microns
• 700-900 microns
• 900-1200 microns

The principles of operation for the subject device Embosphere Microspheres are the same as the predicate device Embosphere Microspheres (K181300). Embosphere Microspheres are permanent implantable devices and are designed for controlled, targeted embolization. All indications for Embosphere Microspheres; uterine arteries, arteriovenous malformations, hypervascular tumors and prostate arteries all involve arterial embolization. The procedure of arterial embolization is similar for all arteries. Appropriately sized microspheres for target vessel occlusion are chosen by the trained interventional radiologist. The delivery procedure involves arterial access through an artery, using a guidewire and microcatheter under fluoroscopic guidance. Once the catheter tip is placed in the artery(ies) supplying the targeted tissue, Embosphere Microspheres mixed with a non-ionic contrast agent are delivered in a controlled manner under visualization to occlude the feeding vessel(s) to interrupt artery blood flow to the targeted area. The device is intended for single use.

I am sorry, but the provided text is an FDA 510(k) Clearance Letter for a medical device (Embosphere Microspheres). It details the regulatory clearance process, the device's intended use, and its equivalence to a predicate device.

This document does NOT contain information about any AI/ML model, its acceptance criteria, or a study proving that an AI/ML device meets those criteria.

Therefore, I cannot extract the information required to answer your request regarding the acceptance criteria and the study proving the device meets them, as it pertains to an AI model. The provided text describes a physical medical device and its regulatory review, not a software or AI-driven diagnostic tool.

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