Method for subcutaneous access to the vascular system of a patient
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United States of America Patent
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-
Jan 14, 2003
Issued Date -
N/A
app pub date -
Jan 8, 1999
filing date -
Jun 12, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A needle and obturator assembly for access to entrance lumens in an access device disposed subcutaneously in a body of a mammal, for transfer of fluid into and/or out of the mammal body, comprising a first needle and obturator unit for insertion through a skin portion of the mammal body and into a first of the lumens of the access device, a second needle and obturator unit for insertion through the skin portion of the mammal body and into a second of the lumens of the access device, and hub structure for supporting the first and second needle and obturator units in fixed, spaced-apart positions relative to each other after complete insertion of the first and second needle and obturator units in the respective lumens. The first and second obturators are withdrawable from their respective needles to open first and second passageways in the respective needles for the transfer of fluid into and/or out of the access device.
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