Ablation treatment of bone metastases

Details Ablation treatment of bone metastases Ablation treatment of bone metastases

2005-04-19

2005-04-19

Gibson, Roy D. (Department: 3739)

Surgery

Instruments

Electrical application

C606S049000, C607S101000, C607S102000

Reexamination Certificate

active

06881214

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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