04660570 is referenced by 44 patents and cites 17 patents.

An instrument (10) for obtaining a fetal blood sample including an elongated member (12) having an open end portion (14) and a membrane (16) disposed over the open end portion (14) for perfecting a seal about the open end portion (14). A lancet (18) in the form of a blade (64) or a sharp ended capillary tube (48) is disposed in the elongated member (12) for piercing the membrane (16) and making an incision in the skin of a fetus (20). A plunger (26) is supported within the elongated member (12) and is movable to create a suction within the open end portion (14) to draw fetal blood from the incision through the pierced membrane (16) and into the open end portion (14).

Title
Fetal blood sampling instrument
Application Number
625738
Publication Number
4660570
Application Date
September 8, 1986
Publication Date
April 28, 1987
Inventor
Mitchell P Dombrowski
103 Mapleton, Grosse Point Farms, 48236
MI, US
Agent
Reising Ethington Barnard Perry & Milton
IPC
A61B 5/00
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