Excisional biopsy device and methods
First Claim
1. A breast tissue treatment device, comprising:
- a shaft having a window near a distal tip thereof;
a tissue cutting tool, the cutting tool being attached near the distal tip of the shalt, the cutting tool being configured to selectively bow out of the window and to retract within the window; and
a tissue collection and isolation device, the tissue collection and isolation device being configured to collect tissue cut by the tissue cutting tool and to physically isolate the collected tissue from a surrounding tissue.
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Accused Products
Abstract
An excisional biopsy device includes a tubular member having a window near a distal tip thereof; a cutting tool, a distal end of the cutting tool being attached near the distal tip of the tubular member, at least a distal portion of the cutting tool being configured to selectively bow out of the window and to retract within the window; and a tissue collection device externally attached at least to the tubular member, the tissue collection device collecting tissue excised by the cutting tool as the biopsy device is rotated and the cutting tool is bowed. An excisional biopsy method for soft tissue includes the steps of inserting a generally tubular member into the tissue, the tubular member including a cutting tool adapted to selectively bow away from the tubular member and an external tissue collection device near a distal tip of the tubular member; rotating the tubular member; selectively varying a degree of bowing of the cutting tool; collecting tissue severed by the cutting tool in the tissue collection device; and retracting the tubular member from the soft tissue. The tubular member may include an imaging transducer and the method may include the step of displaying information received from the transducer on a display device and the step of varying the degree of bowing of the cutting tool based upon the displayed information from the imaging transducer. Alternatively, the imaging transducer may be disposed within a removable transducer core adapted to fit within the tubular member.
272 Citations
26 Claims
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1. A breast tissue treatment device, comprising:
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a shaft having a window near a distal tip thereof;
a tissue cutting tool, the cutting tool being attached near the distal tip of the shalt, the cutting tool being configured to selectively bow out of the window and to retract within the window; and
a tissue collection and isolation device, the tissue collection and isolation device being configured to collect tissue cut by the tissue cutting tool and to physically isolate the collected tissue from a surrounding tissue. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A method of retrieving a specimen from a mass of tissue, including the steps of:
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inserting an instrument that includes a cutting clement and a tissue collection and isolation element into the mass of tissue, the cutting element being configured to cut the specimen from the mass of tissue and the tissue collection and isolation element being configured to collect the specimen and to physically isolate the specimen from the mass of tissue;
cutting the specimen, and collecting the cut specimen and physically isolating the specimen from the mass of tissue. - View Dependent Claims (13, 14, 15, 16, 17, 18)
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19. A tissue treatment device, comprising:
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a shaft defining a proximal and a distal end;
a tissue treatment assembly attached near the distal end of the shaft and including a first tool configured to cut the tissue and a second tool configured to collect the cut tissue and to isolate the collected tissue from a surrounding tissue, the first tool being configured to selectively extend away from the shaft and to refract toward the shaft, the second tool being configured to open so as to collect the cut tissue and close so as to isolate the collected tissue as the first tool is selectively extended and retracted, respectively. - View Dependent Claims (20, 21, 22, 23, 24, 25, 26)
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Specification