Ablation treatment of bone metastases
First Claim
1. A method of treating a cancerous bone tumor or pain associated with a cancerous bone tumor in the body of a patient, comprising:
- inserting at least one probe into the cancerous bone tumor or tissue proximate to said cancerous bone tumor, the at least one probe being adapted to be connected to external apparatus external to the patient'"'"'s body which can deliver power through the at least one probe to tissue within or near the cancerous bone tumor; and
applying power from the external apparatus to the tissue near or within the cancerous bone tumor through the at least one probe, causing heating of the tissue near or within the cancerous bone tumor to ablate at least a portion of the tissue near or within the bone tumor or to relieve pain associated with the cancerous bone tumor.
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Accused Products
Abstract
Ablative treatment of metastatic bone tumors and relief of pain associated with metastatic bone tumors is achieved by heat ablation of the bone tumor or tissue near the bone tumor by an ablation probe. In one form the probe is an electrode coupled to a high frequency power supply to provide ablative heating of tissue proximate to an electrode that is placed in or near the bone tumor. Cooling of the electrode by fluid circulation from a cooling apparatus outside the patient'"'"'s body may be used to enlarge the region of high frequency heating around the electrode. Image guidance of the electrode placement may be monitored by an imaging device. Tracking of the electrode by an image-guided navigator helps in placement of the electrode with respect to the configuration of the bone and bone metastasis. A set of tools accommodates biopsy and various shapes of electrodes according to clinical requirements. Several forms of electrodes, energy delivery and cooling apparatus and methods accommodate the specific objectives.
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Citations
15 Claims
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1. A method of treating a cancerous bone tumor or pain associated with a cancerous bone tumor in the body of a patient, comprising:
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inserting at least one probe into the cancerous bone tumor or tissue proximate to said cancerous bone tumor, the at least one probe being adapted to be connected to external apparatus external to the patient'"'"'s body which can deliver power through the at least one probe to tissue within or near the cancerous bone tumor; and
applying power from the external apparatus to the tissue near or within the cancerous bone tumor through the at least one probe, causing heating of the tissue near or within the cancerous bone tumor to ablate at least a portion of the tissue near or within the bone tumor or to relieve pain associated with the cancerous bone tumor. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A system for treating a cancerous bone tumor or pain associated with a cancerous bone tumor in the body of a patient, comprising:
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a cannula adapted to be inserted into the cancerous bone tumor;
a probe adapted to be passed through the cannula into the cancerous bone tumor or tissue nearby to the cancerous bone tumor, the probe adapted to be connected to an external apparatus external to the body of the patient which can deliver power through the probe to heat at least a portion of the cancerous bone tumor; and
a connection from the probe to the external apparatus to deliver the power from the external apparatus through the probe. - View Dependent Claims (10, 11, 12, 13, 14, 15)
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Specification