Bedpan system

Claim 2

In a bedpan system for use with hospital beds or the like, a foam mattress having a wall portion defining an aperture therein open at the upper surface of the mattress and projecting thereinto, a bedpan assembly comprising a pan portion and a seat portion and insertable into the aperture in said mattress with the seat portion disposed below the level of the upper surface of said mattress, a disposable flexible bag having a closed lower portion insertable through said seat portion into said pan portion and a mouth portion flexible over said seat portion, means for aiding in the support of said bedpan assembly in said aperture, said seat portion having a wall portion defining a central opening which opens into said pan portion, and a selectively removable mattress plug substantially conforming in peripheral shape to the shape of the aperture in said mattress and substantially conforming in height to the distance between said bedpan assembly and the upper surface of the mattress, and insertable in said aperture in a position to rest on said seat portion and present an upper surface substantially coplanar with the upper surface of said mattress, said mattress plug comprising a rigid base member having a depending central portion, an outer peripheral flange and a depending wall portion between said central portion and said flange, said plug peripheral flange overlying the upper surface of said seat portion and transferring the weight of said plug and of any weight on said plug to said upper surface of said seat, said plug wall portion depending within the opening in said seat portion and being closely adjacent to said wall portion of said seat portion to control the lateral position of said plug relative to the surface of said mattress.

Claim 3

The combination of claim 1 in which said mattress plug further includes a foam material supported on said base member, and a cover enclosing the entire mattress plug and engageable with said seat portion.

Claim 4

In a bedpan system for use with hospital beds or the like having a bedspring assembly, a foam mattress having a wall portion defining an aperture therein open at the upper surface of the mattress and projecting therethrough, a bedpan assembly comprising a pan portion and a seat portion and insertable into the aperture in said mattress with the seat portion disposed below the level of the upper surface of said mattress, a disposable flexible bag having a closed lower portion insertable through said seat portion into said pan portion and a mouth portion flexible over said seat portion, a relatively rigid plate larger in size than the aperture in said mattress and disposable between the bedspring assembly and the mattress, means for securing said plate to the bedspring assembly, the bottom of said bedpan assembly being restible on said plate, and means for assisting to maintain said mattress in position on the bedspring assembly comprising flange means on said plate engageable with lateral surfaces of said bedpan assembly for positioning said bedpan assembly with respect to said plate, the engagement between said bedpan assembly and said wall of said mattress assisting to position said mattress with respect to said bedpan assembly.

Claim 5

In a bedpan system for use with hospital beds or the like having a bedspring assembly, a foam mattress having a wall portion defining an aperture therein open at the upper surface of the mattress and projecting therethrough, a bedpan assembly comprising a pan portion and a seat portion and insertable into the aperture in said mattress with the seat portion disposed below the level of the upper surface of said mattress, a disposable flexible bag having a closed lower portion insertable through said seat portion into said pan portion and a mouth portion flexible over said seat portion, a relatively rigid plate larger in size than the aperture in said mattress and disposable between the bedspring assembly and the mattress, means for securing said plate to the bedspring assembly, the bottom of said bedpan assembly being restible on said plate, and means for assisting to maintain said mattress in position on the bedspring assembly comprising flange means on said plate engageable with lateral surfaces of said bedpan assembly for positioning said bedpan assembly with respect to said plate, the engagement between said bedpan assembly and said wall of said mattress assisting to position said mattress with respect to said bedpan assembly.

Claim 6

The combination of claim 3 in which said plate further shields the bedspring assembly from contamination in the event of accident in the use of the bedpan assembly.

Claim 7

In a bedpan system for use with hospital beds or the like, a foam mattress having a wall portion defining an aperture therein open at the upper surface of the mattress and projecting thereinto, said wall portion having a generally cylindrical portion, inwardly directed lip means on said generally cylindrical portion of said wall portion of said mattress and spaced below the upper surface of said mattress, a bedpan assembly comprising a pan portion and a seat portion and outwardly directed lip means and insertable into the aperture in said mattress with at least portions of said lip means on said bedpan assembly closely overlying at least portions of said lip means on said mattress, and a disposable flexible bag having a closed lower portion insertable through said seat portion into said pan portion and a mouth portion flexible over said seat portion and pinchable between said lip means on said bedpan assembly and said lip means on said mattress, said inwardly directed lip means on said mattress comprising a plurality of discrete, spaced-apart segments having substantially coplanar upper surfaces, and further including a cavity formed in said wall of said mattress between each of at least certain of the pairs of adjacent ones of said segments, each of said cavities being of sufficient size to permit and facilitate manual insertion and tucking of the mouth portion of said flexible bag around the exterior of said seat portion of said bedpan assembly and between said lip means on said bedpan assembly and said lip means on said mattress.

Claim 8

In a bedpan system for use with hospital beds or the like, a foam mattress having a wall portion defining an aperture therein open at the upper surface of the mattress and projecting thereinto, said wall portion having a generally cylindrical portion, inwardly directed lip means on said generally cylindrical portion of said wall portion of said mattress and spaced below the upper surface of said mattress, a bedpan assembly comprising a pan portion and a seat portion and outwardly directed lip means and insertable into the aperture in said mattress with at least portions of said lip means on said bedpan assembly closely overlying at least portions of said lip means on said mattress, and a disposable flexible bag having a closed lower portion insertable through said seat portion into said pan portion and a mouth portion flexible over said seat portion and pinchable between said lip means on said bedpan assembly and said lip means on said mattress, said inwardly directed lip means on said mattress comprising a plurality of discrete, spaced-apart segments having substantially coplanar upper surfaces, and further including a cavity formed in said wall of said mattress between each of at least certain of the pairs of adjacent ones of said segments, each of said cavities being of sufficient size to permit and facilitate manual insertion and tucking of the mouth portion of said flexible bag around the exterior of said seat portion of said bedpan assembly and between said lip means on said bedpan assembly and said lip means on said mattress.

Claim 9

In a bedpan system for use with hospital beds or the like, a foam mattress having a wall portion defining an aperture therein open at the upper surface of the mattress and projecting thereinto, said wall portion having a generally cylindrical portion, inwardly directed lip means on said generally cylindrical portion of said wall portion of said mattress and spaced below the upper surface of said mattress, a bedpan assembly comprising a pan portion and a seat portion and outwardly directed lip means and insertable into the aperture in said mattress with at least portions of said lip means on said bedpan assembly closely overlying at least portions of said lip means on said mattress, and a disposable flexible bag having a closed lower portion insertable through said seat portion into said pan portion and a mouth portion flexible over said seat portion and pinchable between said lip means on said bedpan assembly and said lip means on said mattress, and further including a sheet for said mattress having an aperture alignable with the aperture in said mattress and an integral cuff covering said wall portion of said mattress and disposable within the aperture in said mattress, and in which portions of said cuff are also pinched between said lip means on said bedpan assembly and said lip means on said mattress.

Claim 10

In a bedpan system for use with hospital beds or the like, a foam mattress having a wall portion defining an aperture therein open at the upper surface of the mattress and projecting thereinto, said wall portion having a generally cylindrical portion, inwardly directed lip means on said generally cylindrical portion of said wall portion of said mattress and spaced below the upper surface of said mattress, a bedpan assembly comprising a pan portion and a seat portion and outwardly directed lip means and insertable into the aperture in said mattress with at least portions of said lip means on said bedpan assembly closely overlying at least portions of said lip means on said mattress, and a disposable flexible bag having a closed lower portion insertable through said seat portion into said pan portion and a mouth portion flexible over said seat portion and pinchable between said lip means on said bedpan assembly and said lip means on said mattress, and further including a sheet for said mattress having an aperture alignable with the aperture in said mattress and an integral cuff covering said wall portion of said mattress and disposable within the aperture in said mattress, and in which portions of said cuff are also pinched between said lip means on said bedpan assembly and said lip means on said mattress.

Claim 11

In a bedpan system for use with hospital beds or the like, a foam mattress having a wall portion defining an aperture therein open at the upper surface of the mattress and projecting thereinto, said wall portion having a generally cylindrical portion, inwardly directed lip means on said generally cylindrical portion of said wall portion of said mattress and spaced below the upper surface of said mattress, a bedpan assembly comprising a pan portion and a seat portion and outwardly directed lip means and insertable into the aperture in said mattress with at least portions of said lip means on said bedpan assembly closely overlying at least portions of said lip means on said mattress, and a disposable flexible bag having a closed lower portion insertable through said seat portion into said pan portion and a mouth portion flexible over said seat portion and pinchable between said lip means on said bedpan assembly and said lip means on said mattress, said pan portion having an upper peripheral lip, said seat portion being integrally sealed to said peripheral lip.

Claim 12

In a bedpan system for use with hospital beds or the like, a foam mattress having a wall portion defining an aperture therein open at the upper surface of the mattress and projecting thereinto, said wall portion having a generally cylindrical portion, inwardly directed lip means on said generally cylindrical portion of said wall portion of said mattress and spaced below the upper surface of said mattress, a bedpan assembly comprising a pan portion and a seat portion and outwardly directed lip means and insertable into the aperture in said mattress with at least portions of said lip means on said bedpan assembly closely overlying at least portions of said lip means on said mattress, and a disposable flexible bag having a closed lower portion insertable through said seat portion into said pan portion and a mouth portion flexible over said seat portion and pinchable between said lip means on said bedpan assembly and said lip means on said mattress, said pan portion having an upper peripheral lip, said seat portion being integrally sealed to said peripheral lip.

Claim 13

The combination of claim 7 in which said seat portion is of a resilient material.

Claim 14

The combination of claim 8 in which said seat portion is less compressible than said foam mattress and in which portions of said mattress adjacent said wall provide lateral support and centering forces for the patient during use of the system.

Claim 15

In a bedpan system for use with hospital beds or the like, a foam mattress having a wall portion defining an aperture therein open at the upper surface of the mattress and projecting thereinto, said wall portion having a generally cylindrical portion, inwardly directed lip means on said generally cylindrical portion of said wall portion of said mattress and spaced below the upper surface of said mattress, a bedpan assembly comprising a pan portion and a seat portion and outwardly directed lip means and insertable into the aperture in said mattress with at least portions of said lip means on said bedpan assembly closely overlying at least portions of said lip means on said mattress, and a disposable flexible bag having a closed lower portion insertable through said seat portion into said pan portion and a mouth portion flexible over said seat portion and pinchable between said lip means on said bedpan assembly and said lip means on said mattress, said inwardly directed lip means on said mattress comprising a plurality of discrete, spaced-apart segments having substantially coplanar upper surfaces, said seat portion having a wall portion defining a central opening which opens into said pan portion, and further including a selectively removable mattress plug substantially conforming in peripheral shape to the shape of the aperture in said mattress, and substantially conforming in height to the distance between said bedpan assembly and the upper surface of the mattress and insertable in said aperture in a position to rest on said seat portion and present an upper surface substantially coplanar with the upper surface of said mattress.

Claim 16

In a bedpan system for use with hospital beds or the like, a foam mattress having a wall portion defining an aperture therein open at the upper surface of the mattress and projecting thereinto, said wall portion having a generally cylindrical portion, inwardly directed lip means on said generally cylindrical portion of said wall portion of said mattress and spaced below the upper surface of said mattress, a bedpan assembly comprising a pan portion and a seat portion and outwardly directed lip means and insertable into the aperture in said mattress with at least portions of said lip means on said bedpan assembly closely overlying at least portions of said lip means on said mattress, and a disposable flexible bag having a closed lower portion insertable through said seat portion into said pan portion and a mouth portion flexible over said seat portion and pinchable between said lip means on said bedpan assembly and said lip means on said mattress, said inwardly directed lip means on said mattress comprising a plurality of discrete, spaced-apart segments having substantially coplanar upper surfaces, said seat portion having a wall portion defining a central opening which opens into said pan portion, and further including a selectively removable mattress plug substantially conforming in peripheral shape to the shape of the aperture in said mattress, and substantially conforming in height to the distance between said bedpan assembly and the upper surface of the mattress and insertable in said aperture in a position to rest on said seat portion and present an upper surface substantially coplanar with the upper surface of said mattress.

Claim 17

The combination of claim 10 in which said mattress plug comprises a rigid base member having a depending central portion, an outer peripheral flange and a depending wall portion between said central portion and said flange, said plug peripheral flange overlying the upper surface of said seat portion and transferring the weight of said plug and of any weight on said plug to said upper surface of said seat, said plug wall portion depending within the opening in said seat portion and being closely adjacent to said wall portion of said seat portion to control the lateral position of said plug relative to said mattress.

Claim 18

The combination of claim 11 in which said mattress plug further includes a foam material supported on said base member, and a cover enclosing the entire mattress plug and engageable with said seat portion.

Claim 19

In a bedpan system for use with hospital beds or the like, a foam mattress having a wall portion defining an aperture therein open at the upper surface of the mattress and projecting thereinto, said wall portion having a generally cylindrical portion, inwardly directed lip means on said generally cylindrical portion of said wall portion of said mattress and spaced below the upper surface of said mattress, a bedpan assembly comprising a pan portion and a seat portion and outwardly directed lip means and insertable into the aperture in said mattress with at least portions of said lip means on said bedpan assembly closely overlying at least portions of said lip means on said mattress, and a disposable flexible bag having a closed lower portion insertable through said seat portion into said pan portion and a mouth portion flexible over said seat portion and pinchable between said lip means on said bedpan assembly and said lip means on said mattress, said inwardly directed lip means on said mattress comprising a plurality of discrete, spaced-apart segments having substantially coplanar upper surfaces, said mattress being adapted to be supported on a bedspring assembly, said aperture in said mattress extending through the mattress, and further including a relatively rigid plate larger in size than the aperture in said mattress and disposable between the bedspring assembly and the mattress, means for securing said plate to the bedspring assembly, the bottom of said bedpan assembly being restable on said plate, and means for assisting to maintain said mattress in position on the bedspring assembly comprising flange means on said plate engageable with lateral surfaces of said bedpan assembly for positioning said bedpan assembly with respect to said plate, the engagement between said bedpan assembly and said wall of said mattress assisting to position said mattress with respect to said bedpan assembly.

Claim 20

In a bedpan system for use with hospital beds or the like, a foam mattress having a wall portion defining an aperture therein open at the upper surface of the mattress and projecting thereinto, said wall portion having a generally cylindrical portion, inwardly directed lip means on said generally cylindrical portion of said wall portion of said mattress and spaced below the upper surface of said mattress, a bedpan assembly comprising a pan portion and a seat portion and outwardly directed lip means and insertable into the aperture in said mattress with at least portions of said lip means on said bedpan assembly closely overlying at least portions of said lip means on said mattress, and a disposable flexible bag having a closed lower portion insertable through said seat portion into said pan portion and a mouth portion flexible over said seat portion and pinchable between said lip means on said bedpan assembly and said lip means on said mattress, said inwardly directed lip means on said mattress comprising a plurality of discrete, spaced-apart segments having substantially coplanar upper surfaces, said mattress being adapted to be supported on a bedspring assembly, said aperture in said mattress extending through the mattress, and further including a relatively rigid plate larger in size than the aperture in said mattress and disposable between the bedspring assembly and the mattress, means for securing said plate to the bedspring assembly, the bottom of said bedpan assembly being restable on said plate, and means for assisting to maintain said mattress in position on the bedspring assembly comprising flange means on said plate engageable with lateral surfaces of said bedpan assembly for positioning said bedpan assembly with respect to said plate, the engagement between said bedpan assembly and said wall of said mattress assisting to position said mattress with respect to said bedpan assembly.

Claim 21

In a bedpan assembly for use with hospital beds or the like, a foam mattress having a wall portion defining an aperture therein open at the upper surface of the mattress and projecting thereinto, a bedpan assembly comprising a pan portion and a seat portion and insertable into the aperture in said mattress with the seat portion disposed below the level of the upper surface of said mattress, a disposable flexible bag having a closed lower portion insertable through said seat portion into said pan portion and a mouth portion flexible over said seat portion, and a sheet for said mattress having an aperture alignable with the aperture in said mattress and an integral cuff around and projecting from said aperture covering said wall portion of said mattress and disposable within the aperture in said mattress, portions of said cuff lying and being trapped between said bedpan assembly and said mattress.

Claim 22

In a bedpan assembly for use with hospital beds or the like, a foam mattress having a wall portion defining an aperture therein open at the upper surface of the mattress and projecting thereinto, a bedpan assembly comprising a pan portion and a seat portion and insertable into the aperture in said mattress with the seat portion disposed below the level of the upper surface of said mattress, a disposable flexible bag having a closed lower portion insertable through said seat portion into said pan portion and a mouth portion flexible over said seat portion, and a sheet for said mattress having an aperture alignable with the aperture in said mattress and an integral cuff around and projecting from said aperture covering said wall portion of said mattress and disposable within the aperture in said mattress, portions of said cuff lying and being trapped between said bedpan assembly and said mattress.