Apparatus and method for everting catheter for uterine access for biopsy and cytology
AssigneeCrossBay Medical, Inc.
InventorsSteven R. Bacich, Matthew Thomas Yurek, Piush Vidyarthi
Life of this patent
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Abstract
An everting balloon system is disclosed that can be used for biopsy within a body of a patient or animal. The everting balloon system can be used to access a bodily cavity or vessel for tissue specimen collection at specific bodily locations. The everting catheter system described simplifies the process of tissue biopsy.
Claims20
A method for retrieving a tissue sample from a uterus comprising:
- inserting a distal end of an elongated element into the uterus, wherein the elongated element has a lateral opening and a cover closeable over the lateral opening;
- lavaging the uterus, wherein the lavaging the uterus comprises lavaging with at least an irrigation fluid through the lateral opening;
- positioning the tissue sample in the elongated element;
- and
- positioning the cover over the opening.
A method for retrieving a tissue sample from a uterus comprising:
- inserting a distal end of an elongated element into the uterus, wherein the elongated element has a lateral opening and a cover closeable over the lateral opening, wherein the elongated element has an inner catheter, and wherein the inner catheter has a through-lumen;
- lavaging the uterus by delivering irrigation fluid through the through-lumen;
- positioning the tissue sample in the elongated element;
- and
- positioning the cover over the opening.
A method for retrieving a tissue sample from a uterus comprising:
- inserting a distal end of an elongated element into the uterus, wherein the elongated element has a lateral opening and a cover closeable over the lateral opening;
- delivering contrast media or echogenic fluid through the lateral opening;
- lavaging the uterus;
- positioning the tissue sample in the elongated element;
- and
- positioning the cover over the opening.
A method for retrieving a tissue sample from a uterus comprising:
- inserting a distal end of an elongated element into the uterus, wherein the elongated element has a lateral opening and a cover closeable over the lateral opening;
- aspirating contrast media or echogenic fluid through the lateral opening;
- lavaging the uterus;
- positioning the tissue sample in the elongated element;
- and
- positioning the cover over the opening.
A method for retrieving a tissue sample from a uterus comprising:
- inserting a distal end of an elongated element into the uterus, wherein the elongated element has a lateral opening and a cover closeable over the lateral opening;
- delivering medication through the lateral opening;
- lavaging the uterus;
- positioning the tissue sample in the elongated element;
- and
- positioning the cover over the opening.
A method for retrieving a tissue sample from a uterus comprising:
- inserting a distal end of an elongated element into the uterus, wherein the elongated element has a lateral opening and a cover closeable over the lateral opening;
- aspirating medication through the lateral opening;
- lavaging the uterus;
- positioning the tissue sample in the elongated element;
- and
- positioning the cover over the opening.
A method for retrieving a tissue sample from a uterus comprising:
- inserting a distal end of an elongated element into the uterus, wherein the elongated element has a lateral opening and a cover closeable over the lateral opening;
- lavaging the uterus with delivery of a lavage fluid exiting through the cover;
- positioning the tissue sample in the elongated element;
- and
- positioning the cover over the opening.
Dependencies are inferred from the claim text.