Bioaerosol slit impaction sampling device

  • US 6,463,814 B1
  • Filed: 11/03/2000
  • Issued: 10/15/2002
  • Est. Priority Date: 11/05/1999
  • Status: Expired due to Term
First Claim
Patent Images

1. A slit impaction air sampling device, comprising:

  • a base portion having a recess formed in a top surface of said base portion, said recess being sized to receive a microscope slide;

    a microscope slide disposed in said recess;

    a depression formed in said top surface of said base portion, said depression having a depth that is larger than a depth of said recess, said depression being sized to allow air flow around said microscope slide;

    an outlet passage in communication with said depression at one end and a vacuum source at another end;

    a top cap secured to said base; and

    a venturi inlet formed in said top cap.

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