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TROCAR CATHETER
US 3,459,189 A
Filed
: 07/28/1965
Issued
: 08/05/1969
Est. Priority Date
: 07/28/1965
Status: Expired due to Term
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121
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Current Assignee
Sherwood Medical Company
(Medtronic Plc)
Original Assignee
David S. Sheridan
,
Ralph D. Alley
Inventors
Alley, Ralph D.
,
Sheridan, David S.
Application Number
US04/475,489
Time in Patent Office
1,469 Days
Field of Search
US Class Current
604/166.01
CPC Class Codes
A61B 17/3415
for introducing tubes or ca...
A61M 25/0108
using radio-opaque or ultra...
A61M 25/06
Body-piercing guide needles...
A61M 25/0606
"Over-the-needle" catheter ...
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