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The Micro Catheter and Guidewire System is intended for the infusion of contrast media into the peripheral vessels. The Micro Catheter and Guidewire system is also infusion in intra-arterial therapy and the infusion of embolic materials for hemostasis. The system should not be used in cerebral vessels.

Micro Catheter and Guidewire System consists of a catheter, a guidewire, and accessories. The accessories include a flushing device, a shaping mandrel, an insertion tool, a torque device and a peel-able tube. The catheter is consist of a hub, a stress relief tube and a catheter shaft. The catheter shaft has three layers. The inner layer is a PTFE tube, the middle layer is consist of stainless steel wire reinforce and platinum-iridium alloy radiopaque distal marker. And the outer layer is polyamide. There is also a hydrophilic coating on the catheter surface. The guidewire is consist of a nitinol core, a polymer jacket with PVP hydrophilic coating over its entire surface, and a spring coil at distal. It has a white marker at the proximal to indicate the length inserted into human body and its relative position with the catheter.

HRSpheres Narrow-Size Embolic Microspheres are intended to be used for the embolization of arteriovenous malformations (AVMs) and hypervascular tumors, including uterine fibroids.

HRSpheres Narrow-Size Embolic Microspheres are compressible hydrogel microspheres with a regular shape, smooth surface, and calibrated size, which are formed as a result of chemical modification on polyvinyl alcohol (PVA) materials. HRSpheres Narrow-Size Embolic Microspheres consist of a macromer derived from PVA, and are hydrophilic, non-resorbable, and are available in a variety of diameters ranging from 70 - 1,200 um. The preservation solution is 0.9% sodium chloride solution. The water content of a fully polymerized microsphere is 91% ~ 94%. Microspheres are compressible to enable smooth delivery through the indicated delivery catheter. The HRSpheres are available in dyed (blue) and clear (undyed with natural color). Blue-dyed microspheres aid in the visualization of the microspheres in the delivery syringe. HRSpheres Narrow-Size Embolic Microspheres are packaged in sterile sealed glass vials for single use only and available with 1 mL, 2 mL, or 3 mL microspheres volumes per vial. HRSpheres Narrow-Size Embolic Microspheres can be delivered to a targeted area through typical microcatheters in the 1.7 – 4 Fr range. By blocking the blood supply to the target area, the tumor or malformation is starved of nutrients and shrinks in size. At the time of use. HRSpheres Narrow-Size Embolic Microspheres are mixed with a nonionic contrast agent to form a suspension solution and aid in visualization during a procedure.