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US 4,957,629 AGranted
Obstetrical filter and trap
OwnerLawrence M. Smith, Emily M. Smithinventors
Life of this patent
Estimating the term…
Abstract
A filter for obstetrical fluids and particulate matter having an enclosure containing a first chamber and a second chamber is disclosed. The first chamber has a solid partition forming first and second cavities in the first chamber. The first cavity has an inlet and the second cavity has an outlet. The second chamber contains a filter and the edge of the partition is pressed against the surface of the filter.
Claims11
A filter for obstetrical fluids and particulate matter, comprising:
- a. an enclosure containing a first chamber and a second chamber;
- 1. said first chamber having therein:
- A. a solid partition having an edge, said partition forming first and second cavities in said first chamber;
- I. said first cavity having an inlet thereinto;
- II. said second cavity having an outlet therefrom;
- 2. said second chamber containing a filter means having a surface thereon;
- and
- 3. said edge of said partition pressing against said surface of said filter means.
5 more elements
A filter for obstetrical fluids and particulate matter, comprising:
- a. an enclosure containing a first chamber and a second chamber;
- 1. said first chamber having therein:
- A. a solid partition having an edge, said partition forming first and second cavities in said first chamber;
- I. said first cavity having an inlet thereinto;
- II. said second cavity having an outlet therefrom;
- 2. said second chamber wholly occupied by filter means having a surface;
- and
- 3. said edge of said partition pressing against said surface of said filter means, forcing all of said fluid to flow through said filter means.
5 more elements
A filter for obstetrical fluids and particulate matter, comprising:
- a. an enclosure separable into a first chamber and a second chamber;
- 1. said first chamber having therein:
- A. a solid partition having an edge, said partition forming first and second adjacent cavities in said first chamber;
- I. said first adjacent cavity having inlet means thereinto;
- II. said second adjacent cavity having outlet means therefrom;
- 2. said second chamber removably receiving replacable filter means having a surface thereon;
- and
- 3. said edge of said partition pressing against said surface of said replacable filter means when said first and said second chambers are assembled to form said enclosure.
5 more elements
Dependencies are inferred from the claim text.