04151832 is referenced by 40 patents and cites 3 patents.

A vacuum housing connected to a vacuum generator has one open end covered by a fine sieve to provide a serum collection space. A test strip of blotting paper is flush against an intermediate air permeable membrane which is in turn flush against a support sieve.

Title
Serum abstraction device
Application Number
5/779495
Publication Number
4151832
Application Date
March 21, 1977
Publication Date
May 1, 1979
Inventor
Geerd Hamer
6101 Weiterstadt, Vorm Heiligen Kreuz 15
DE
IPC
G01N 33/16
A61B 17/28
A61M 1/00
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