Methods and Apparatus for Removing Blood Clots and Tissue from the Patient's Head
First Claim
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1. A method for removing blood clots from a patient'"'"'s intracranial space using ultrasound, energy, the method comprising:
- forming at least one aperture in the patient'"'"'s skull;
placing an introducer through the aperture;
placing a trocar through the introducer;
advancing an ultrasound device through the trocar to a treatment location within the intracranial space;
transmitting ultrasound energy at frequencies between 1 KHz and 20 MHz from the ultrasound device.
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Abstract
Methods and apparatus for removing blood clots and tissue from the intracranial space of a patient'"'"'s head using a trocar with an ultrasound device and visualization device to locate, dissolve and remove the blood clots outside the patient'"'"'s head are provided. One or more pharmacologic agents may be delivered to the treatment area to further facilitate removal of the blood clots or other tissue.
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Citations
20 Claims
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1. A method for removing blood clots from a patient'"'"'s intracranial space using ultrasound, energy, the method comprising:
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forming at least one aperture in the patient'"'"'s skull; placing an introducer through the aperture; placing a trocar through the introducer; advancing an ultrasound device through the trocar to a treatment location within the intracranial space; transmitting ultrasound energy at frequencies between 1 KHz and 20 MHz from the ultrasound device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A method for removing blood clots from a patient'"'"'s intracranial space using ultrasound energy, the method comprising:
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forming at least one aperture in the patient'"'"'s skull; placing a trocar through the aperture; advancing an ultrasound device through the trocar to a treatment location; transmitting ultrasound energy from the ultrasound device; and removing blood clots outside the patient'"'"'s head.
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16. A method for removing blood clots from a patient'"'"'s intracranial space caused by hemorrhage, comprising the step of advancing an ultrasound device into a trocar device placed through a burr hole in the patient'"'"'s head, transmitting ultrasound energy and removing blood clots outside the head.
- 17. A method for removing tissue from a patient'"'"'s intracranial space comprising the step of advancing an ultrasound device into the patient'"'"'s head through a trocar, identifying tissue to be removed with visualization device, transmitting ultrasound energy and removing tissue outside the head.
Specification