Absorbent device

• US 4,965,900 A
• Filed: 10/25/1989
• Issued: 10/30/1990
• Est. Priority Date: 10/25/1989
• Status: Expired due to Fees

• Current Assignee: Gary D. Smith
• Original Assignee: Gary D. Smith
• Inventors: Smith, Gary D.
• Primary Examiner(s): TRETTEL, MICHAEL
• Application Number:
  US07/426,241
• Time in Patent Office: 370 Days
• Field of Search: 4/451, 4/456, 5/463, 5/470, 5/484, 5/987, 5/501
• US Class Current: 5/695
• CPC Class Codes: A47C 21/046 without active means, e.g. with openings or heat conductors
• CPC Class Codes: A61F 5/485 Absorbent protective pads mattress underlays A47C21/06; bed linen A47G9/02

Abstract

An absorption pad for a bed is disclosed including a bag like member having an upper and a lower compartment, a moisture impervious periphery and bottom and a moisture permeable top covering and internal divider wall. A non-absorbant, moisture permeable cushion is encased in the upper compartment and a removable filter member including a non-absorbant moisture permeable filter cushion member having an internal moisture absorbing element and support members is disposed in the lower compartment.

Claims

1. An absorbent device for a bed or the like comprising:

a bag like container having a moisture impervious bottom and moisture impervious peripherial sides, a non-absorbent, moisture permeable fabric like top and a non-absorbent moisture permeable divider dividing the container into an upper compartment and a lower compartment;

a non-absorbent, moisture permeable, resilient cushion in said top compartment; and

a filter cushion member including a moisture absorbing element removably received in said bottom compartment.

2. The absorbent device as claimed in claim 1 including means for preventing compression of said moisture absorbing element under an external force on said top cushion.

3. The absorbent device as claimed in claim 2 wherein said means for preventing compression includes a plurality of spaced apart support members uniformly and transversely distributed in said filter cushion member.

4. The absorbent device as claimed in claim 3 wherein said filter cushion member comprises a resilient, non-absorbent, open cell member, said support members being embedded in said resilient, non-absorbent open cell member.

5. The absorbent device as claimed in claim 4 wherein said resilient non-absorbent open cell member includes top and bottom portions having a plurality of aligned pairs of transverse reliefs, one support member being disposed in each pair of aligned reliefs between said top and bottom portions.

6. The absorbent device as claimed in claim 5 wherein said support members are radially noncompressive, elongated members extending transversely across said resilient non-absorbent open cell member.

7. The absorbent device as claimed in claim 5 further including an absorbant member disposed between said top and bottom portions of said resilient, non-absorbant open cell member and between said support members.

8. The absorbent device as claimed in claim 4 wherein said filter cushion member is encased in a non-absorbent, moisture permeable covering.

9. An absorbent device for a bed or the like comprising:

a flexible bag like member having a moisture impervious perimeter and bottom, a non-absorbent moisture permeable top and internal divider subdividing the bag like member into an upper compartment and a lower compartment, said bag like member including means for opening and closing an access into said lower compartment;

a non-absorbent, moisture permeable cushion in said upper compartment; and

an absorbent element in the lower compartment, said absorbent element being insertable into and removable from said lower compartment through said access.

10. The absorbent device as claimed in claim 9 wherein said non-absorbent, moisture permeable cushion is tightly encased in a non-absorbent, moisture permeable casing, and

a non-absorbent, moisture impervious bag like member is sealedly attached to said casing along a top perimeter edge of said casing forming said lower compartment and said non-absorbent moisture impervious perimeter and bottom of said bag like member.

11. The absorbent device as claimed in claim 10 including a zippered opening in said non-absorbent, moisture impervious bag like member opening into said lower compartment.

12. The absorbent device as claimed in claim 10 wherein said absorbent element is encased in a non-absorptive, moisture permeable covering.

13. The absorbent device as claimed in claim 12 wherein said absorbent element includes support means for preventing compression of said absorbent element under the influence of an external force.

14. The absorbent device as claimed in claim 13 wherein said support means includes a plurality of elongated spaced apart cylindrical members in said absorbent element.

15. The absorbent device as claimed in claim 14 wherein said covering encasing said absorbent element includes a handle.

16. The absorbent device as claimed in claim 14 wherein said absorbent element is disposed between mating halves of a resilient, non-absorbent filter cushion element, said filter cushion element including a plurality of relieved portions with said support members disposed in said relieved portions between said mating halves.

17. The absorbent device as claimed in claim 16 wherein said absorbent element comprises a cotton liner disposed between said mating halves of said filter cushion element and between at least some of said support members.

18. The absorbent device as claimed in claim 17 wherein said non-absorbent, moisture permeable cushion in said upper compartment is about 1/2 inch thick and said filter cushion element in said lower compartment is about 3 to 4 inches thick.

19. An absorbent device for a bed or the like comprising:

a flexible bag like member having a moisture impervious bottom, moisture impervious perimeter sidewalls and perimeter end walls, a non-absorbent, moisture permeable top and a moisture permeable internal divider subdividing the bag like member into a an upper compartment and a lower compartment, said bag like member including a closable access opening into at least the lower compartment;

a non-absorbent, moisture permeable cushion in said upper compartment; and

a filter cushion member in said bottom compartment including a resilient, moisture permeable filter cushion element and a moisture absorbing element internally of said moisture permeable filter cushion element, said filter cushion member further including means for limiting compression of said resilient filter cushion element.