Surgery – Truss – Pad
Patent
1993-03-24
1994-11-29
Hindenburg, Max
Surgery
Truss
Pad
604117, A61B 1000
Patent
active
053680464
ABSTRACT:
A bone marrow needle assembly includes a cannula housing supporting a cannula having a sharp distal end. The cannula housing is provided with a central throughbore in fluid communication with the cannula and with an ergonomic handle having a curved distal surface. A female luer lock fluid coupling is provided in the housing at the proximal end of the throughbore and within the periphery of the curved handle. A trocar is located within the cannula and extends through the luer lock and the throughbore. The trocar has a cap which extends over the luer lock and is rounded so that a substantially continuous rounded surface is presented by the semi-circular handle and the trocar cap. The distal end of the housing is provided with a threaded portion which receives a locking nut and a depth stop. The depth stop has a mating interior threaded bore which couples with the threaded distal portion of the housing so that the depth stop may be rotated to adjust the effective piercing length of the cannula. The locking nut is rotated into a locking position against the depth stop to secure the depth stop in a selected position.
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Scarfone Frank A.
Turkel David
Weisenborn Alan L.
Gordon David P.
Hindenburg Max
Symbiosis Corporation
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