Cervical and endometrial biopsy instrument
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United States of America Patent
Stats
-
Dec 19, 1995
Grant Date -
N/A
app pub date -
Aug 1, 1994
filing date -
Aug 1, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A biopsy instrument for obtaining a tissue sample from a body cavity such as the endometrial tissue forming the uterine cavity or from the cervix. The instrument comprises a first generally rigid guide housing for insertion into the cavity. An elongated, flexible shaft is slidable therethrough and has spaced from its distal end a curved portion for collecting a tissue specimen thereon. The curved portion includes a set of scraping tabs and a set of collecting tabs spaced apart around the circumference of the curved portion and extending alternately outwardly therefrom. After the shaft is extended from within the housing and rotated in a first direction, the scraping tabs scrape tissue free from the endometrial surface. Upon rotating the shaft in a second opposite direction, the collecting tabs collect the free floating tissue. When the shaft is retracted within the housing, the instrument is removed from within the body cavity, and a tissue sample is available for testing.
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