System and method of ablative cutting and pulsed vacuum aspiration
AssigneeThe Spectranetics Corporation
InventorsBrandon Thomas Hendrick, Kenneth P. Grace
Life of this patent
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Abstract
A system for ablation and removal of occlusions from blood vessels is provided. Laser cutting systems and mechanical cutting systems are provided in catheter devices, the cutting systems operable to ablate, cut, dislodge, and otherwise remove occlusions within a blood vessel that may limit or prevent proper circulation. Pulsed aspiration systems are further provided, the pulsed aspiration systems operable to remove ablated, cut, or dislodged material without excessive or unnecessary removal of blood and fluid.
Claims20
An aspiration system for use with a catheter, the aspiration system comprising:
- a vacuum pump in fluid communication with a catheter;
- a valve assembly in communication with the vacuum pump, the valve assembly having an open position and closed position;
- and
- a controller for alternating the position of the valve assembly between the open position and the closed position.
The aspiration system of claim 5, wherein the filter comprises a substantially transparent housing
A catheter aspiration system comprising:
- a catheter having a tubular wall, the tubular wall comprising a distal end and an orifice for a lumen extending proximally from the distal end, wherein the orifice is smaller than the lumen;
- a plurality of optical fibers located within the tubular wall and exposed at the distal end of the catheter;
- a vacuum pump in fluid communication with the lumen;
- a valve assembly in communication with the vacuum pump, the valve assembly having an open position and closed position;
- and
- a controller for alternating the position of the valve assembly between the open position and the closed position.
A catheter aspiration system comprising:
- a catheter comprising a distal tip having a cutting blade attached thereto and extending therefrom;
- a vacuum pump in fluid communication with the distal tip;
- a valve assembly in communication with the vacuum pump, the valve assembly having an open position and closed position;
- and
- a controller for alternating the position of the valve assembly between the open position and the closed position.
Dependencies are inferred from the claim text.