Fresenius Ag

Michael Zimmermann

Klaus Heilmann

Veit Otto

Thomas Nicola

Thomas Kreischer

Helmut Schmidt

Claus Jessen

Josef Herrmann

Stefan Schulze

Christian Schwegmann

The invention relates to a device for purifying protein-containing solutions such as blood, blood plasma or cell culture media, where a biocompatible support material made of a plastic material, selected from the group of polyacrylates, polymethacrylates, polysulfone and polyether sulfone, is coated with albumin, which is bound by peptide binding. In addition, the invention relates to a method of producing the support material according to this invention and the use of the device.

Device for purifying solutions containing proteins and use of the device

Multilayer polymer film for a multichamber medical bag and process for

Apparatus for controlling a fluid flow includes a housing having a first fitting for connection of a tube and at least one further fitting for detachable securement of a coupling piece of a peritoneal catheter. Accommodated in the housing is a rotary valve which is indexable in predetermined positions to selectively establish a fluid communication between the fittings. Associated with one of the fittings is at least one closure member which is acted upon by the rotary valve for displacement in a radial direction to open and close a passage to the peritoneal catheter.

Apparatus for controlling a fluid flow

The invention concerns a cannula comprising a cannula tube with a preferably rigid upper section, an end section which is bent laterally and a hook-shaped curved section which has in its concave side a tangentially inward ground lumen opening. The lumen opening has a sharply inwardly directed rear edge. This results in the advantage that during piercing of natural and synthetic walls the cutting of plugs from the material to be perforated is avoided.

Hypodermic needle

Growing community of inventors

St. Wendel, Germany

Michael Zimmermann