Patent · US Expired

Implantable medical device with a protected medication layer

US5345933A · kind A · utility

45Cited by

13References

13Claims

0Family size

Assignee

Siemens Aktiengesellschaft · DE

Inventors

Lars-Olof Peterson · Bromma, SE
Ulf Lindegren · Stuvsta-Snättringe, SE
Brigitte Stroetmann · Nuremberg, DE

Key dates

Filing date	Sep 14, 1992
Grant date	Sep 13, 1994
Priority date	—
Expiry date	Sep 14, 2012

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61L2300/608
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

An implantable medical device has surfaces that are in communication with the tissue of the patient after an implantation. At least one part of these surfaces is provided with at least one layer composed of a medication. In order to simply and reliably control the administration of a desired quantity of the medication, the medication layer is covered by at least one layer composed of an ion exchanger material.

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