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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.

Numen™ Coil Embolization System is intended to endovascularly obstruct or occlude blood flow in vascular abnormalities of the neurovascular and peripheral vessels. Numen™ Coil Embolization System is indicated for endovascular embolization of: - . Intracranial aneurysms - Other neurovascular abnormalities such as arteriovenous malformations and . arteriovenous fistulae - . Arterial and venous embolizations in the peripheral vasculature NumenFR™ Detachment System is intended for use with MicroPort NeuroTech Numen™ Coil Embolization System in the embolization of intracranial aneurysms and other vascular abnormalities of the neuro and peripheral vasculature.

The Numen™ Coil Embolization System is composed of two parts as described below: - An introducer sheath: The function of the introducer sheath is to facilitate introduction . of the coil into the microcatheter. - . The coil system: The coil system is composed of a pusher and coil implant. The coil is a permanent implant intended to occlude blood flow in vascular abnormalities. The pusher is used to deliver the coil implant to the target lesion. The MicroPort NeuroTech NumenFR™ Detachment System is a sterile, handheld, singlepatient use device designed for use with the MicroPort NeuroTech Numen™ Coil Embolization System. The device is operated by two pre-loaded batteries.

The Optima Coil System is intended for the endovascular embolization of intracranial aneurysms and other neurovascular abnormalities such as arteriovenous malformations and arteriovenous fistulae. The Optima Coil System is also intended for vascular occlusion of blood vessels within the neurovascular system to permanently obstruct blood flow to an aneurysm or other vascular malformation and for arterial and venous embolizations in the peripheral vasculature.

The Optima Coil System is a series of specialized coils that are inserted into the vasculature under angiographic visualization to embolize intracranial aneurysms and other vascular anomalies. The system consists of an embolization coil implant comprised of platinum and tungsten, affixed to a delivery pusher to facilitate insertion into the hub of a microcatheter. The system is available in various shapes, lengths, and sizes. The devices are to be placed into aneurysms to create blood stasis, reducing flow into the aneurysm and thrombosing the aneurysm. Upon positioning coils into the aneurysm, the coils are detached from the delivery pusher in a serial manner until the aneurysm is occluded.

Target Detachable Coils are intended to endovascularly obstruct or occlude blood flow in vascular abnormalities of the neurovascular and peripheral vessels. Target Detachable Coils are indicated for endovascular embolization of: - Intracranial aneurysms - Other neurovascular abnormalities such as arteriovenous malformations and arteriovenous fistulae - Arterial and venous embolizations in the peripheral vasculature

Stryker Neurovascular Target Detachable Coils are comprised of the following coil types: Target 360 Nano, Target Helical Nano, Target 360 Ultra, Target Helical Ultra, Target 360 Soft, Target 3D, Target 360 Standard, Target XXL 360, Target XL 360 Soft, Target XL 360 Standard, Target XL Helical, Target Tetra. All Target Coils are stretch resistant coils. Target Coils incorporate a length of monofilament stretch resistant fiber or in the case of the Target Tetra, multi-strand material through the center of the coil designed to help resist stretching. Target Coils are designed for use with the Stryker Neurovascular InZone® Detachment System (sold separately). Each Target Coil type consists of a platinum-tungsten alloy coil attached to a stainless-steel delivery wire.

Numen™ Coil Embolization System is intended to endovascularly obstruct or occlude blood flow in vascular abnormalities of the neurovascular and peripheral vessels. Numen™ Coil Embolization System is indicated for endovascular embolization of: -Intracranial aneurysms -Other neurovascular abnormalities such as arteriovenous malformations and arteriovenous fistulae -Arterial and venous embolizations in the peripheral vasculature NumenFR™ Detachment System is intended for use with MicroPort NeuroTech Numen™ Coil Embolization System in the embolization of intracranial aneurysms and other vascular abnormalities of the neuro and peripheral vasculature.

MicroPort NeuroTech has developed the Numen™ Coil Embolization System and NumenFR™ Detachment System. The Numen™ Coil Embolization System is designed to be used in conjunction with the NumenFRTM Detachment System (sold separately) for endovascular embolization of vascular abnormalities described in the intended use. The Numen™ Coil Embolization System is composed of two parts as described below: - . An introducer sheath: The function of the introducer sheath is to facilitate introduction of the coil into the microcatheter. - . The coil system: The coil system is composed of a pusher and coil implant. The coil is a permanent implant intended to occlude blood flow in vascular abnormalities. The pusher is used to deliver the coil implant to the target lesion. The MicroPort NeuroTech NumenFRTM Detachment System is a sterile, handheld, single-patient use device designed for use with the MicroPort NeuroTech Numen™ Coil Embolization System. The device is operated by two pre-loaded batteries.

Axium™ Detachable Coil: Axium™ Detachable Coils are intended for the endovascular embolization of intracranial aneurysms. Axium™ Detachable Coils are also intended for the embolization of other neuro vascular abnormalities such as arteriovenous malformations and arteriovenous fistulae. Axium™ Prime Detachable Coil: (Models: APB-X-Y-3D-ES, APB-X-Y-3D-SS, APB-X-Y-HX-ES, APB-X-Y-HX-SS) The Axium™ Prime Detachable Coils are intended for the endovascular embolization of intracranial aneurysms. The Axium™ Prime Detachable Coils are also intended for the embolization of other neuro vascular abnormalities such as arteriovenous malformations and arteriovenous fistulae. Axium™ Prime Detachable Coil: (Models: FC-X-Y-3D) The Axium™ Prime Detachable Col is intended for the endovascular embolization of intracranial aneurysms and other neurovascular abnormalities, such as arteriovenous malformations and arteriovenous fistulae. The Axium™ Prime Detachable Coils are also intended for arterial and venous embolizations in the peripheral vasculature.

The Axium™ Detachable Coil and Axium™ Prime Detachable Coil consist of a platinum embolization coil attached to a composite implant delivery pusher with a radiopaque positioning marker and a hand-held Instant Detacher (I.D.) which when activated detaches the coil from the delivery pusher tip. The I.D. is sold separately.

The Penumbra LP Coil System is indicated for the embolization of: - · Intracranial aneurysms - · Other neurovascular abnormalities such as arteriovenous malformations and arteriovenous fistulae - · Arterial and venous embolizations in the peripheral vasculature

The Penumbra LP Coil System is comprised of the Penumbra LP Coil, a platinum embolization coil attached to a composite delivery pusher with a radiopaque positioning marker and the Penumbra LP Coil Detachment Handle. The coil/delivery pusher is packaged separately from the Penumbra LP Coil Detachment Handle. Penumbra LP Coil includes the following coil configurations: - Ruby Coil LP ● - Packing Coil LP ● - PTC Coil LP ● - Helical Coil LP ● - Hybrid Coil LP ●

Target Detachable Coils are intended to endovascularly obstruct or occlude blood flow in vascular abnormalities of the neurovascular and peripheral vessels. Target Detachable Coils are indicated for endovascular embolization of: - Intracranial aneurysms - . Other neurovascular abnormalities such as arteriovenous malformations and arteriovenous fistulae - Arterial and venous embolizations in the peripheral vasculature

Stryker Neurovascular Target Detachable Coils are comprised of the following coil types: Target 360 Nano, Target Helical Nano, Target 360 Ultra, Target Helical Ultra, Target 360 Soft, Target 3D, Target 360 Standard, Target XXL 360, Target XL 360 Soft, Target XL 360 Standard, Target XL Helical, Target Tetra (Subject Device). All Target Coils are stretch resistant coils. Target Coils incorporate a length of multi-strand material through the center of the coil designed to help resist stretching. Target Coils are designed for use with the Stryker Neurovascular InZone® Detachment System (sold separately). Each Target Coil type consists of a platinum-tungsten alloy coil attached to a stainless steel delivery wire. For Target Coils with the Tetrahedral shape, the distal end of the main coil is formed such that the diameter of the distal loop is approximately 75% that of the overall secondary outer diameter (OD) size.

The Optima Coil System is intended for the endovascular embolization of intracranial aneurysms and other neurovascular abnormalities such as arteriovenous malformations and arteriovenous fistulae. The Optima Coil System is also intended for vascular occlusion of blood vessels within the neurovascular system to permanently obstruct blood flow to an aneurysm or other vascular malformation and for arterial and venous embolizations in the peripheral vasculature.

The Optima Coil System is a series of specialized coils that are inserted into the vasculature under angiographic visualization to embolize intracranial aneurysms and other vascular anomalies. The system consists of an embolization coil implant comprised of platinum and tungsten, affixed to a delivery pusher to facilitate insertion into the hub of a microcatheter. The system is available in various shapes, lengths and sizes. The devices are to be placed into aneurysms to create blood stasis, reducing flow into the aneurysm and thrombosing the aneurysm. Upon positioning coils into the aneurysm, the coils are detached from the delivery pusher in a serial manner until the aneurysm is occluded.

The CEREPAK™ Uniform, Uniform 3D, Heliform Soft, Heliform XtraSoft, Heliform XL, Heliform XtraSoft XL, Freeform, and Freeform Mini Detachable Coil Systems are indication of intracranial aneurysms, neurovascular abnormalities such as arteriovenous malformations and arterial and arterial and venous embolizations in the peripheral vasculature. The CEREPAK™ Freeform XtraSoft Detachable Coil System is indication of intracranial aneurysms.

CEREPAK™ is a platform delivery system that aids in the delivery of embolic coils (or "microcoils") using standard endovascular methods to treat hemorrhagic conditions. It consists of two main components, the CEREPAK™ Detachable Coils, and the CEREPAK™ Detacher. These components will be provided sterile and sold separately. The CEREPAK™ Detachable Coils are comprised of an embolic coil implant (microcoil) attached to a delivery system. The CEREPAK™ Detacher is a mechanical accessory that aids in the detachment of the CEREPAK™ Detachable Coils. The delivery system of the CEREPAK™ Detachable Coils consists of a long, thin hypotube (delivery tube) shaft with an attachment interface to secure the microcoil at its distal end until deployment is required. Microcoil designs are based on the microcoils present in the predicate device. The delivery tube is advanced with the microcoil through a compatible microcatheter using standard endovascular techniques until the microcoil is placed at the target lesion. The CEREPAK™ Detacher interacts with the delivery system to detach the microcoils. Upon finger actuation, the Detacher translates (slides) a component within the delivery tube that aided in securing the microcoil. This detaches the microcoil from the delivery tube. Once the microcoil is detached at the desired location, the delivery tube can be removed and discarded.