Surgery – Truss – Pad
Patent
1979-12-03
1983-01-04
Howell, Kyle L.
Surgery
Truss
Pad
128765, A61B 1000
Patent
active
043668224
ABSTRACT:
The removal and separation of bone marrow cells for the purpose of analysis is carried out in a minimum number of steps by interposing a filtration chamber between a bone marrow needle and aspirator, withdrawing bone marrow particles together with sinusoidal blood through the filtration chamber so as to filter out or separate the bone marrow particles from the blood, and thereafter opening the filtration chamber to expose the particles for removal from the filter. The filtration chamber is constructed to define a fitting which can be releasably but sealingly connected at one end to the end of the needle and at the opposite end to the aspirator or syringe so that the necessary vacuum can be established and maintained for withdrawal of the specimen through the chamber without danger of contamination; and a seating surface within the chamber is so formed as to facilitate placement of a filter pad to collect the bone marrow particles and expose the particles for removal when the chamber is opened.
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Applied Medical Devices, Inc.
Hanley John C.
Howell Kyle L.
Reilly John E.
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