Cavity-filling biopsy site markers
First Claim
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1. A method of marking a biopsy site within a patient'"'"'s body, comprising:
- providing a delivery tube having a plunger;
carrying a quantity of an ultrasound-detectable bio-resorbable particulate material in the delivery tube distal to the plunger, the ultrasound-detectable bio-resorbable particulate material having a particle size between about 200 microns and about 500 microns and having internal bubble cavities having a size of at least 50 microns; and
depressing the plunger for depositing the quantity of the ultrasound-detectable bio-resorbable particulate material at the biopsy site.
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Abstract
A method of marking a biopsy site within a patient'"'"'s body includes providing a delivery tube having a plunger; carrying a quantity of an ultrasound-detectable bio-resorbable particulate material in the delivery tube distal to the plunger, the ultrasound-detectable bio-resorbable particulate material having a particle size between about 200 microns and about 500 microns and having internal bubble cavities having a size of at least 50 microns; and depressing the plunger for depositing the quantity of the ultrasound-detectable bio-resorbable particulate material at the biopsy site.
565 Citations
12 Claims
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1. A method of marking a biopsy site within a patient'"'"'s body, comprising:
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providing a delivery tube having a plunger; carrying a quantity of an ultrasound-detectable bio-resorbable particulate material in the delivery tube distal to the plunger, the ultrasound-detectable bio-resorbable particulate material having a particle size between about 200 microns and about 500 microns and having internal bubble cavities having a size of at least 50 microns; and depressing the plunger for depositing the quantity of the ultrasound-detectable bio-resorbable particulate material at the biopsy site. - View Dependent Claims (2, 3, 4)
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5. A method of marking a biopsy site within a patient'"'"'s body, comprising:
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providing a delivery tube; placing an ultrasound-detectable biopsy marker in the delivery tube, the ultrasound-detectable biopsy marker being formed of particles of material having internal bubble cavities, wherein a particle size of the particles is between about 200 microns and about 500 microns, and the bubble cavities have a size of at least 50 microns, wherein the bubble cavities have geometric centers and the bubble cavity size is measured by length through the geometric centers of the bubble cavities; and moving the ultrasound-detectable biopsy marker from the delivery tube to the biopsy site. - View Dependent Claims (6, 7, 8)
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9. A method of marking a biopsy site within a patient'"'"'s body, comprising:
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providing a delivery tube; carrying an ultrasound-detectable biopsy marker in the delivery tube, the ultrasound-detectable biopsy marker being formed of particles of material having internal bubble cavities and having a particle size between about 200 microns and about 800 microns, the bubble cavities having a size of at least 50 microns; and moving the ultrasound-detectable biopsy marker from the delivery tube to the biopsy site. - View Dependent Claims (10, 11, 12)
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Specification