Patent · US Expired

Coupling a membrane to the skin of a human being

US4938232A · kind A · utility

3Cited by

5References

5Claims

0Family size

Assignee

Dornier Medizintechnik GmbH · DE

Inventors

Othmar Wess · Munich, DE
Reiner Groezinger · Gilching, DE
Kai Isdebski · Bad Saulgau, DE
Manfred Windsheimer · Germering, DE
Wolfgang Erhardt · Fürstenfeldbruck, DE

Key dates

Filing date	Oct 23, 1989
Grant date	Jul 3, 1990
Priority date	—
Expiry date	Oct 23, 2009

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61B8/4281
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

A membrane is coupled to the skin of a human being, there being a gel layer provided between the membrane and the skin, the apparatus comprises a wiping structure movably mounted in a frame, one side of the membrane facing away from the skin and locally and progressively the membrane is forced against the gel layer and the skin so that progressively air bubbles in the gel layer are driven out of that layer and the layer is interposed bubblefree between the skin and the membrane. The wiper may swivel or roll; there may be plural wiper blades.

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