THROMBECTOMY CATHETER SYSTEMS
First Claim
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1. A thrombectomy catheter system comprising:
- a catheter including a catheter body defining an exhaust lumen and an infusion lumen and including a high pressure tube, the high pressure tube having a nozzle orifice positioned to direct a fluid jet into a distal opening of the exhaust lumen;
a source of infusion fluid communicating with a proximal end of the infusion lumen; and
a fluid control device fluidly coupled between the thrombectomy catheter and the source of infusion fluid, the fluid control device being adapted to regulate a flow rate of infusion fluid from the source of infusion fluid to the infusion lumen of the thrombectomy catheter.
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Abstract
A thrombectomy catheter system is disclosed which includes a catheter having an exhaust lumen, an infusion lumen and a high pressure tube. The high pressure tube includes a nozzle orifice for forming a high pressure jet of fluid for cutting occlusive material from within a body lumen. The nozzle orifice is positioned to direct the high pressure jet of fluid into the distal end of the exhaust lumen which creates a suctioning effect. The infusion lumen replaces fluid that is removed from the body lumen through the exhaust lumen by a suctioning effect created by the fluid jet.
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Citations
33 Claims
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1. A thrombectomy catheter system comprising:
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a catheter including a catheter body defining an exhaust lumen and an infusion lumen and including a high pressure tube, the high pressure tube having a nozzle orifice positioned to direct a fluid jet into a distal opening of the exhaust lumen; a source of infusion fluid communicating with a proximal end of the infusion lumen; and a fluid control device fluidly coupled between the thrombectomy catheter and the source of infusion fluid, the fluid control device being adapted to regulate a flow rate of infusion fluid from the source of infusion fluid to the infusion lumen of the thrombectomy catheter. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33)
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Specification