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US 2003/0229343 A1Published application
Device for removal of tissue lesions
AssigneeEthicon Endo-Surgery, Inc.
InventorsThomas E. Albrecht, John A. Hibner, Elizabeth L. Sebern
Life of this patent
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Abstract
An excisional biopsy device and method are disclosed. The device can include a probe housing having a rotatable RF loop cutter mounted at the distal end of the probe, and the RF loop cutter can include at least one electrode supplied with an RF actuating signal for cutting tissue. A rotational drive and specimen containment sheath can also be included.
Claims19
A medical device comprising:
- an electrode rotatably supported for rotation about an axis;
- a rotational drive for rotating the electrode about the axis to cut around a tissue mass to sever a tissue specimen from the tissue mass;
- and
- a specimen containment sheath for receiving the tissue specimen.
1 more element
A medical device for removal of a lesion from tissue comprising:
- a probe housing;
- a rotatable cutter mounted at the distal end of the probe housing, wherein the cutter comprises at least one electrode;
- a drive for rotationally driving the cutter around a tissue specimen containing the lesion;
- a specimen containment sheath adapted to be deployed by the cutter as it is rotated to perform a rotational cut, such that the specimen containment sheath is drawn around the tissue specimen as the cutter cuts around the specimen.
1 more element
A medical device comprising:
- an electrode rotatably supported for rotation through an arc of at least about 90 degrees to severe a tissue specimen;
- and
- a specimen containment sheath deployable upon rotation of the electrode.
Dependencies are inferred from the claim text.