Biopsy needle assembly
    2.
    发明专利

    公开(公告)号:AU3070595A

    公开(公告)日:1996-02-22

    申请号:AU3070595

    申请日:1995-07-18

    Applicant: BAXTER INT

    Abstract: A bone marrow biopsy needle assembly includes an elongated tubular cannula having an axially extending lumen therethrough, and a cannula handle attached to the proximal end of the cannula, the cannula handle extending transversely to the axis of the cannula and having a cavity aligned with and open to the proximal end of the cannula. The handle is provided with a cover connected to the cannula by means of a living hinge. A stylet having a knob affixed to its proximal end which knob is sized to fit within the cavity with the stylet slidably received within the cannula lumen. The cavity is provided with projections that engage the knob to prevent relative rotation between the stylet and the cannula. A guide is provided to facilitate insertion of a stylet into the cannula for sample removal.

    Needle device with improved handle

    公开(公告)号:AU3132995A

    公开(公告)日:1996-02-22

    申请号:AU3132995

    申请日:1995-07-18

    Applicant: BAXTER INT

    Abstract: A bone biopsy needle assembly which includes a handle having a proximal concave curved surface having an off-center radius producing a first relatively narrow end and a second relatively wide end of the handle. The wide end is curved to conform to the shape of a user's palm, and the narrow end forms a surface to limit lateral slippage in the direction of the user's forefinger. The handle also has a distal surface with a receiving opening. A cannula has a central lumen, with a first end extending into the receiving opening and being connected to the distal surface of the handle toward the relatively narrow end and having a second end extending distally from the handle. A removable stylet is slidably received within the lumen and has a proximal knob carried by the handle.

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