08740929 is referenced by 21 patents and cites 940 patents.

A spacing device for use in fenestrations of the paranasal sinus, the device including a sheath which forms a hollow body defining at least two apertures. The sheath includes at least one layer loaded with an active substance. The ratio q of the external diameter ra of the hollow body to the internal diameter ri of the hollow body is about 1.2 to 3.0.

Title
Spacing device for releasing active substances in the paranasal sinus
Application Number
10/470881
Publication Number
8740929 (B2)
Application Date
February 6, 2002
Publication Date
June 3, 2014
Inventor
Werner Hosemann
Greifswald
DE
Achim Gopferich
Sinzing
DE
Agent
Frost Brown Todd
Assignee
Acclarent
CA, US
IPC
A61L 31/10
A61L 31/16
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