公开(公告)号：US20230302192A1

公开(公告)日：2023-09-28

申请号：US18327140

申请日：2023-06-01

Applicant: Boston Scientific Scimed, Inc.

Inventor： Gerald FREDRICKSON ,  Amanda L. SMITH ,  Andrew PIC ,  Sophia GERVASIO ,  Lauren LYDECKER

IPC: A61L26/00 ,  A61L31/16 ,  A61K31/722 ,  A61L31/04

CPC classification number: A61L26/0023 ,  A61L31/16 ,  A61K31/722 ,  A61L31/042 ,  A61L26/008 ,  A61L26/0066 ,  A61L2300/232 ,  A61L2300/418 ,  A61L2300/60 ,  A61L2400/04 ,  A61M25/09

Abstract: In various aspects, the present disclosure pertains to methods of treating or preventing bleeding at a tissue site comprising applying a chitosan powder composition to the tissue site, In various aspects, the present disclosure pertains to chitosan powder compositions for application to a tissue site, where the powder compositions comprise a chitosan salt, a crosslinked chitosan, a derivatized chitosan, or a combination thereof. In various aspects, the disclosure pertains to catheter assemblies, which are preloaded with a chitosan powder composition and which are configured to deliver the chitosan powder composition a tissue site.