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US 2007/0191732 A1Published application
Cryogenic probe
OwnerJames Voegeleinventor
Life of this patent
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Abstract
A medical apparatus and method useful for obtaining a tissue sample are provided. The apparatus can include a rotating and trasnslating cutter, a probe, and an outer sheath. The probe can be cooled, such as with a cryogenic substance. The sheath can shield surrounding tissue from the outer surface of the rotating cutter.
Claims12
A biopsy device comprising:
- a handpiece;
- an outer cannular cutter supported for translation relative to the handpiece;
- a cryogenic probe disposed at least partially within the outer cannular cutter;
- and
- a cannula sheath disposed around at least a portion of the outer cannular cutter.
2 more elements
A biopsy device comprising:
- a probe adapted to receive a cryogenic material;
- a hollow cutter disposed about at least a portion of the probe, wherein the cutter is movable with respect to the probe to sever tissue;
- and
- a sheath movable with the hollow cutter.
1 more element
A method for providing a biopsy sample comprising the steps of:
- positioning a probe into tissue to be sampled;
- cooling tissue adjacent to a portion of the probe;
- advancing and rotating a hollow cutter over a portion of the probe to sever a sample of the cooled tissue from the surrounding tissue;
- and
- shielding the surrounding tissue from the rotating hollow cutter.
2 more elements
Dependencies are inferred from the claim text.