04795446 is referenced by 49 patents and cites 30 patents.

A cannula for insertion into a body incision is provided with a tip having an opening in the sidewall and a pair of recesses in the outer surface of the tip forming a longitudinally extending ridge on one side on the tip for facilitating the insertion of the tip into the incision and dilating the incision.

Title
Medical tube device
Application Number
6/823918
Publication Number
4795446
Application Date
January 30, 1986
Publication Date
January 3, 1989
Inventor
David C Fecht
Manchester
MO, US
Agent
William R O Meara
Andrew J Beck
Stanley N Garber
Assignee
Sherwood Medical Company
MO, US
IPC
A61M 5/00
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