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:
Mar. 26, 2019
Filed:
Oct. 29, 2015
Ethicon Endo-surgery, Llc, Guaynabo, PR (US);
Frederick E. Shelton, IV, Hillsboro, OH (US);
Michael J. Vendely, Lebanon, OH (US);
Prudence A. Turner, Independence, KY (US);
Jack Donners, Somerville, NJ (US);
Rao S. Bezwada, Whitehouse Station, NJ (US);
Aidan Craigwood, Cambridge, GB;
Caroline Hagerman, Cambridge, GB;
Ashley Easter, Cambridge, GB;
Kathrin Holtzmann, Cambridge, GB;
Ethicon LLC, Guaynabo, PR (US);
Abstract
A buttress assembly is configured to temporarily adhere to a wet surgical stapler end effector. The buttress assembly includes a buttress body and a humidity tolerant adhesive. The adhesive includes a bioabsorbable polymer having a block configuration selected from the group consisting of A-B-A and A-B-C. The A block is a bioabsorbable homopolymer characterized by a glass transition temperature of at least about 0° C., a crystallinity as measured by X-ray diffraction of at least about 30%, and a melting temperature of at least about 50° C. The B block is a bioabsorbable homopolymer or co-polymer that is characterized by a glass transition temperature of at least about −40° C., a crystallinity as measured by X-ray diffraction of at most about 25%, and 2 a molecular weight of from about 20 to about 80 kDa. The C block is a bioabsorbable hydrophilic homopolymer or co-polymer that is miscible with water at 37° C.