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The Rist™ 071 Radial Access Guide Catheter is indicated for the introduction of interventional devices into the peripheral, coronary, and neuro vasculature.

The Rist™ 071 Radial Access Guide Catheter is a single lumen, variable stiffness catheter with a stainless steel and nitinol reinforced shaft to provide support. The embedded stainless-steel flat wire cross coil is in the proximal section of the catheter, which transitions to a nitinol round wire single coil in the distal end. The catheter has a radiopaque platinum/iridium marker band on the distal end to aid in visualization. The distal 25 cm of the Rist™ 071 Radial Access Guide Catheter has a hydrophilic coating which reduces the insertion force and allows the catheter to traverse the vasculature more easily. The catheter has a nominal outer diameter of 0.084 inches and a nominal inner diameter of 0.071 inches. It is available in three working lengths: 95 cm, 100 cm, and 105 cm. The Rist™ 071 Radial Access Guide Catheter has a PTFE-lined lumen to reduce friction with other devices introduced through the lumen. It is intended to provide access to the target site via transradial access and, once in place, provides a reinforcing conduit for other intravascular devices. A radial access dilator is included as an accessory. The Rist™ 071 Radial Access Guide Catheter is supplied sterile, non-pyrogenic, and intended for single use only.

The Riptide™ Aspiration System is intended for use in the revascularization of patients with acute ischemic stroke secondary to intracranial large vessel occlusive disease (within the internal carotid, middle cerebral – M1 and M2 segments, basilar, and vertebral arteries) within 8 hours of symptom onset. Patients who are ineligible for intravenous tissue plasminogen activator (IV t-PA) or who fail IV t-PA therapy are candidates for treatment.

The Riptide™ Aspiration System is designed to restore blood flow in patients with acute ischemic stroke secondary to intracranial large vessel occlusive disease. The Riptide™ Aspiration System is designed for use within the internal carotid, middle cerebral – M1 and M2 segments, basilar, and vertebral arteries. The Riptide™ Aspiration System is composed of the following components: - Arc™ Catheter . - Riptide™ Aspiration Tubing . - Riptide™ Aspiration Pump ● - Riptide™ Collection Canister with Intermediate Tubing . The Arc™ Catheter is introduced into the vasculature through the Split-Y Introducer Sheath. A lubricous, tapered liner is used to create a structure that has both proximal stiffness and distal flexibility. The Arc™ Catheter has a radiopaque marker band encapsulated at the distal tip for visualization under fluoroscopy. The Arc™ Catheter is navigated to the intended treatment site and positioned proximal to the site of occlusion. The Arc™ Catheter is the only component of the Riptide™ Aspiration System that is used intravascularly. The Riptide™ Aspiration Tubing serves as a conduit to supply vacuum from the Riptide™ Aspiration Pump to the distal tip of the Arc™ Catheter. The Riptide™ Aspiration Tubing provides a connection between the sterile and non-sterile environments. The proximal end of the Riptide™ Aspiration Tubing is connected to the Riptide™ Collection Canister (outside of the sterile environment) while the distal end of the Riptide™ Aspiration Tubing is connected to the Arc™ Catheter (inside the sterile environment). The Riptide™ Collection Canister is connected to the Riptide™ Aspiration Pump (also outside of the sterile environment) via the Intermediate Tubing. The Riptide™ Aspiration Pump is designed to generate vacuum for the Riptide™ Aspiration System. The vacuum pressure of the Riptide™ Aspiration Pump is set by turning the vacuum control valve until the vacuum gauge reads a minimum of 20inHg but not exceeding 25inHg. The Riptide™ Aspiration Pump is reusable, non-sterile, and intended to be utilized outside of the sterile environment. The Riptide™ Collection Canister is provided non-sterile and is pre-assembled with the Intermediate Tubing. The Riptide™ Collection Canister with Intermediate Tubing is single-use and the repository for aspirated material. The Riptide™ Collection Canister is placed into the receptacle of the Riptide™ Aspiration Pump while the Intermediate Tubing is connected to the vacuum inlet port.