Importance

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Abstract

A biopsy device, including: a housing having a shape of a container, the housing having an opening on a first side thereof, a cannula, a biopsy needle, wherein the biopsy needle is inserted into the cannula, wherein the cannula and the biopsy needle are received within the housing such that the cannula and the biopsy needle are vertically movable within the housing, a first hook, wherein the first hook is in engagement with the biopsy needle; a first spring, wherein the first spring urges the biopsy needle downward, second hook, wherein the second hook is in engagement with the cannula; and a second spring, wherein the second spring urges the cannula downward. The first hook and the second hook are located within the housing. The first hook releases the biopsy needle and the second hook releases the cannula causing the biopsy needle to protrude downward prior to the cannula protruding downward. The biopsy needle is spaced apart from the first spring and the cannula is spaced apart from the second spring. The biopsy needle and the cannula can be displayed on an image screen without overlapping the first spring and the second spring.

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First Claim