Surgery: kinesitherapy – Kinesitherapy – Device with applicator having specific movement
Reexamination Certificate
2001-02-20
2001-08-14
Grosz, Alexander (Department: 3628)
Surgery: kinesitherapy
Kinesitherapy
Device with applicator having specific movement
C601S152000, C601S049000
Reexamination Certificate
active
06273866
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention generally relates to the field of bed systems. More particularly, the present invention relates to the field of adjustable air mattresses for beds. In particular, the present invention relates to the field of automatic and passively pressurized air massager cushioning devices or the like.
2. Description of the Prior Art
Air bed systems are well known in the art. Many of the prior art air bed systems include an air mattress and a box spring. The prior art air mattress construction have problems which can cause discomfort and disruption to the sleeping process. One of the prior art mattresses is a conventional air mattress which comprises simply a flexible enclosure filled with air. When depressed, the enclosure depresses slightly in the vicinity of the loading and also increases pressure in the remaining volume of the enclosure. The response is both resistive and bouncy, which are undesirable characteristics as far as the comfort of the user is concerned.
The following ten (10) prior art patents are found to be pertinent to the field of the present invention:
1. U.S. Pat. No. 3,879,776 issued to Solen on Apr. 29, 1996 for “Variable Tension Fluid Mattress” (hereafter the “Solen patent”);
2. U.S. Pat. No. 4,005,236 issued to Graebe on Jan. 25, 1977 for “Expandable Multicelled Cushioning Structure” (hereafter the “Graebe patent”);
3. U.S. Pat. No. 4,120,061 issued to Clark on Oct. 17, 1978 for “Pneumatic Mattress With Valved Cylinders Of Variable Diarneter” (hereafter the “Clark patent”);
4. U.S. Pat. No. 4,454,615 issued to Whitney on Jun. 19, 1984 for “Air Pad With Integral Securement Straps” (hereafter the “Whitney patent”);
5. U.S. Pat. No. 4,629,253 issued to Williams on Dec. 16, 1986 for “Seat Occupant-Activated Underseat Support Air-Cushion” (hereafter the “Williams patent”);
6. U.S. Pat. No. 4,631,767 issued to Carr et al. on Dec. 30, 1986 for “Air Flotation Mattress” (hereafter the “Carr patent”);
7. U.S. Pat. No. 4,827,546 issued to Cvetkovic on May 9, 1989 for “Fluid Mattress” (hereafter the “Cvetkovic patent”);
8. U.S. Pat. No. 4,895,352 issued to Stumpf on Jan. 23, 1990 for “Mattress Or Cushion Spring Array” (hereafter the “Stumpf patent”);
9. U.S. Pat. No. 4,967,431 issued to Hargest et al. on Nov. 6, 1990 for “Fluidized Bed With Modular Fluidizable Portion” (hereafter the “Hargest patent”); and
10. U.S. Pat. No. 5,097,552 issued to Viesturs on Mar. 24, 1992 for “Inflatable Air Mattress With Straps To Attach It To A Conventional Mattress” (hereafter the “Viesturs patent”).
The Solen patent discloses a variable tension fluid mattress. It comprises a fluid chamber defined by an upper wall and a bottom wall which form a base. The fluid chamber can be compartmentalized by a longitudinal divider and cross dividers to provide individual zones of the fluid chamber. A plurality of pressure expandable pads are clamped to the upper wall by a disc which is secured to a hollow stem which communicates with the fluid chamber. A restraining chain is mounted within each pad and merely serves to limit the upward expansion of the pad regardless of the internal pressure.
The Graebe patent discloses an expandable multicelled cushioning structure. It comprises a common base and a plurality of cells which are attached to the base, and are initially in a configuration so that the cells when formed are spaced apart but when later expanded by a pressurized fluid, will contact or be closely spaced to one another at their sidewalls.
The Clark patent discloses a pneumatic mattress with valved cylinders of variable diameter. It comprises a plurality of valved cylinder cells held by a cover in a side-by-side relationship. Each cell comprises upper and lower cylindrical sections of equal diameter interconnected by a corrugated cylindrical section which has a smaller diameter. Each lower cylindrical section has an orifice which connects the interior of the cell with an air plenum that extends along the entire underside of the mattress. Each orifice registers with a valve that projects from the inner surface of the plenum opposite the cell orifice and is supported by a small, collapsible section of the cell in a normally open position, so that when a load is applied to the top of the cell it automatically closes the orifice against the registering valve.
The Whitney patent discloses an air pad with integral securement straps. It comprises an upper layer and a lower layer which are joined together at a heat seal extending around the entire periphery of the pad. The pad is filled with air, water, a gel or the like. Securement straps are provided on the pad and fitted around and under the corners of a standard bed mattress to hold the pad in position on the mattress.
The Williams patent discloses a seat occupant-activated underseat support aircushion. It comprises a support base and an airtight expandable air cushion which rests on the support base. The top of the air-cushion is pressed upward against the bottom side of the vehicle seat cushion. A bellows type air pump is disposed within the air cushion and provides an outside air-intake.
The Carr patent discloses an air flotation mattress. It comprises a lower inflatable chamber with a series of side-by-side air supply channels and an air-pervious upper wall. An inflatable compartment is overlaid on the chamber and forms a secondary air-pervious wall. A fan assembly is operatively coupled with the lower inflatable chamber to supply pressurized air.
The Cvetkovic patent discloses a fluid mattress. It comprises side frames, a bottom support, and flexible and contractible bellows distributed over the bottom support. Connecting tubings are connected from the bellows to adjacent bellows to permit fluid flow therebetween. A top cover is extended over the bellows. Coil springs are mounted on top of the bellows to support the top cover.
The Stumpf patent discloses a mattress or cushion spring array. It comprises a plurality of spring units. Each spring knit has a body, a top deformable end, and a bottom deformable end, where the ends are free for axial compression. The spring units are interconnected together by connecting fins which extend from the body of each spring unit.
The Hargest patent discloses a fluidized bed with a modular fluidizable portion. A plurality of fluidizable cells are disposed and attached atop of an air permeable support. Each cell contains a discrete mass of fluidizable material which can be manually detachable and removable from the support for ease of cleaning and replacement.
The Viesturs patent discloses an inflatable air mattress with straps to attach it to a conventional mattress. It comprises an upper air impervious flexible layer and a lower air impervious flexible layer. The peripheries of the first and second layers are joined together in an air impervious sealed relationship.
None of these prior art patents teach an air spring bedding system, resting or therapeutic structure to provide a matrix surface that is both supportive and pliable with minimal surface tension. It is desirable to have a very efficient and also very effective design and construction of an air spring bedding system for providing comfort and tranquillity to a user during his or her sleep by two different air support structures to create a matrix surface that is both supportive and pliable with minimal surface tension.
The following two (2) prior art patents were further found to be pertinent to the field of the present invention:
1. U.S. Pat. No. 4,852,195 issued to Schulman on Aug. 1, 1989 for “Fluid Pressurized Cushion” (hereafter the “Schulman patent”); and
2. U.S. Pat. No. 4,005,236 issued to Purdy et al. on Oct. 28, 1997 for “Cushioning Mattress For Reducing Shear And Friction” (hereafter the “Purdy patent”).
The Schulnan patent discloses a fluid pressurized cushion. It comprises a hollow air filled body support cushion which is formed from three interfitting matrices. Each matrix has a set of hollow cells, wherein the cells of each matrix are spaced apart to accommodate be
Leventhal Robert
Thomas Paul B.
Chen Tony D.
D2RM Corp.
Fong Jerry
Grosz Alexander
Rozsa Thomas I.
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