The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 06, 2022
Filed:
Jan. 18, 2017
Mani, Inc., Utsunomiya, JP;
Etsuo Murakami, Utsunomiya, JP;
Masanori Oshino, Utsunomiya, JP;
MANI, INC., Utsunomiya, JP;
Abstract
There is provided a cannula that suppresses leakage of vitreous humor, etc., from a slit through which a surgical tool is inserted. A cannula () used for piercing through an eyeball during an ophthalmic operation, includes: a pipe (); a cylindrical base () fitted together with the circumference of a base end of the pipe (); a resin cap () including a cover surface () covering the surface of the base end of the pipe () and a side surface () covering a cylindrical side surface of the base (); and a slit () passing through the center of the cover surface (). The outer diameter of the cylindrical side surface of the base () at a position where the cylindrical side surface of the base () touches the side surface () of the cap is larger than the inner diameter of the side surface of the cap.