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EXPANDING CANNULA
US 3,509,883 A
Filed
: 11/29/1967
Issued
: 05/05/1970
Est. Priority Date
: 11/29/1967
Status: Expired due to Term
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Current Assignee
Norman R. Dibelius
Original Assignee
Norman R. Dibelius
Inventors
Dibelius, Norman R.
Application Number
US04/686,630
Time in Patent Office
888 Days
Field of Search
US Class Current
604/104
CPC Class Codes
A61F 2/064
with special features to fa...
A61F 2/9517
handle assemblies therefor
A61M 1/3659
Cannulae pertaining to extr...
A61M 25/005
with embedded materials for...
A61M 25/0053
having a variable stiffness...
A61M 27/002
Implant devices for drainag...
Y10T 24/39
Cord and rope holders
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