| 主权项 |
1. A biopsy device, comprising:
a housing body defining a longitudinal axis; a cannula assembly having a first elongate cannula having a first side wall configured to define a first lumen and an elongate side opening that extends through the first side wall, and a second elongate cannula coaxial with the first elongate cannula, the second elongate cannula having a second side wall configured to define a second lumen and a cutting edge, the second side wall having a vacuum side port in fluid communication with the second lumen; a vacuum source positioned in the housing body, the vacuum source having a chamber side wall having a chamber vacuum port, the vacuum source having a seal interposed in sealing engagement between the chamber vacuum port and the second elongate cannula; and a trigger slide assembly coupled to the housing body, and coupled to the cannula assembly, and configured to move the second elongate cannula to align the vacuum side port of the second elongate cannula with the chamber vacuum port of the vacuum source to supply vacuum from the vacuum source to the second lumen of the second elongate cannula. |
