Apparatus and method for accessing the bone marrow

摘要

An apparatus and method for accessing the bone marrow of a human's sternum is provided. The apparatus includes a tissue penetrator configured to penetrate the sternum, a trigger mechanism configured to engage when the tissue penetrator contacts the sternum and a depth control mechanism operable to limit the penetration of the tissue penetrator into the sternum to a pre-selected depth.

主权项

1. An apparatus for accessing the bone marrow inside a bone comprising:
a penetrator assembly comprising a tissue penetrator and a luer lock connector, the tissue penetrator having a hollow cannula disposed in non-movably fixed relation to the luer lock connector; a driver operable to drive a portion of the tissue penetrator into the bone marrow; and a depth control mechanism operable to control the depth of penetration of the tissue penetrator into the bone and associated bone marrow, the depth control mechanism comprising an annular stop positioned to physically obstruct passage of the tissue penetrator.