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PVA particles are indicated for arterial embolization of arteriovenous malformations (AVMs) and hypervascular tumors in the peripheral vasculature, and for vascular occlusion of blood vessels within the neurovascular system for the embolization of AVMs and neoplastic lesions.

The subject devices are particles of nonabsorbable synthetic polyvinyl alcohol (PVA) foam. The devices do not contain any colorant or other additive, and are uncol ted. Each is offered in a range of particle sizes, from which the clinician may saleot the particle size most appropriate for the desired effect and targeted vasculature. The devices are delivered to the selected vascular location by means of a syringe, through an infusion catheter of diameter appropriate for the selected particle size.

PVA particles may be used for vascular occlusion of blood vessels within the neurovascular systems. They are intended for use in the endovascular management of arteriovenous malformations (AVMs) and neoplastic lesions when presurgical devascularization is desirable.

The subject devices are particles of nonabsorbable synthetic polyvinyl alcohol (Pva) foam. The devices do not contain any colorant or other additive, and are uncoated. Each is offered in a range of particle sizes, from which the clinician may select the particle size most appropriate for the desired effect and targeted vasculature. The devices are intended to be delivered to the selected anatomical site by means of a syringe, through an infusion catheter of appropriate diameter. The devices are provided sterile, non-pyrogenic, and are intended for single-use.