Patent · US Active

Implants and biodegradable fiducial markers

US9308283B2 · kind B2 · utility

22Cited by
96References
25Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 21, 2014
Grant dateApr 12, 2016
Priority date—
Expiry dateAug 21, 2034

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61K2123/00
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Implantable materials may be used in an iatrogenic site. Applications include radiopaque materials for fiducial marking. For instance, a method of treating fiducially marking a patient comprising placing a fiduciary marker in the patient at a tissue in the patient, said marker comprising a collection of pharmaceutically acceptable, covalently-crosslinked hydrolytically biodegradable hydrogel particles into the tissue of the patient, the collection comprising a plurality of the particles having a covalently attached radiopaque agent, with the radiopaque agent being present in the collection at a concentration of at least about 0.1% w/w.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.