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:
Aug. 06, 1996
Filed:
Feb. 06, 1995
Dosuk D Lee, Brookline, MA (US);
William T Conner, Somerville, MA (US);
Etex Corporation, Cambridge, MA (US);
Abstract
The invention features a method of depositing a coating on a medical device. The method includes: a) placing the medical device in an evacuated chamber, b) introducing a noble gas into the chamber, c) providing at least one target in the chamber, spaced from the device, and d) sputter depositing a coating onto the device by applying power to the target so that the noble gas forms a plasma in the vicinity of the target and material is sputtered from the target by ion bombardment and deposited on the device. In another aspect, the invention features a medical device having a coating deposited by a plasma sputtering process. Preferably, the coating is a calcium containing compound.