Merit Medical Systems, Inc.
VACUUM-ASSISTED SOFT TISSUE BIOPSY DEVICE

Abstract:

Devices and methods used to obtain a tissue sample utilizing a vacuum assist are disclosed. The devices include a handle, an inner cannula, and an outer cannula. The devices include a vacuum tube in communication with a sample notch of the inner cannula. The handle is actuated to drive the inner cannula into a lesion such that the sample notch is disposed within the lesion. A vacuum is generated in the vacuum tube and the sample notch as the stylet is driven into the lesion. A tissue sample is sucked into the sample notch and the outer cannula is displaced over the sample notch to sever the tissue sample from the lesion.