Fluid regulators provide a fluid to a cannula for use by a person. Fluid conservers also a fluid to a cannula for use by a person. A fluid conserver may be operational in a continuous flow mode of operation and an intermittent flow mode of operation. The selection of either the continuous flow mode
Fluid regulators provide a fluid to a cannula for use by a person. Fluid conservers also a fluid to a cannula for use by a person. A fluid conserver may be operational in a continuous flow mode of operation and an intermittent flow mode of operation. The selection of either the continuous flow mode of operation and the intermittent flow mode of operation may be based on a position of a flow selector. A home fill device may operate with a fluid conserver and may include an oxygen concentrator which provides a source of fluid.
대표청구항▼
1. An apparatus in fluid communication with a first source of pressurized fluid and a second source of pressurized fluid, the apparatus comprising: a pressure reduction section;a unitary body member having a first portion with a first recess sized to receive the pressure reduction section and a seco
1. An apparatus in fluid communication with a first source of pressurized fluid and a second source of pressurized fluid, the apparatus comprising: a pressure reduction section;a unitary body member having a first portion with a first recess sized to receive the pressure reduction section and a second portion extending from the first portion, the second portion including a first threaded surface, the unitary body member having a first fluid conduit which is in fluid communication with an exterior of the second portion of the unitary body member at a fluid inlet and with the first recess in the first portion of the unitary body member at a fluid outlet;a first coupler having a cylindrical body with a second threaded surface on an exterior of the cylindrical body of the coupler and a third threaded surface provided in a second recess of the coupler, the third threaded surface cooperating with the first threaded surface of the second portion of the unitary body member to couple the first coupler to the unitary body member, the first coupler having a second fluid conduit which is in fluid communication with the first fluid conduit of the second portion of the unitary body member when the first coupler is coupled to the unitary body member, wherein the first source of pressurized fluid is coupled to the first coupler through the second threaded surface on the exterior of the cylindrical body of the first coupler; anda second coupler coupled to the first portion of the unitary body member at a location spaced apart from the first coupler, the second coupler being in fluid communication with a third fluid conduit of the unitary body member, the third fluid conduit of the unitary body member being in fluid communication with the first fluid conduit of the unitary body member at a first location which is prior to fluid outlet of the first fluid conduit, wherein the second source of pressurized fluid is coupled to the second coupler. 2. The apparatus of claim 1, wherein the second portion of the unitary body extends beyond an axial end surface of the first portion of the unitary body. 3. The apparatus of claim 2, wherein the first coupler includes a flange which is received in a third recess of the first portion of the unitary body, a top surface of the flange being flush with the axial end surface of the first portion of the unitary body. 4. The apparatus of claim 3, further comprising a seal positioned between the flange of the first coupler and the unitary body. 5. The apparatus of claim 1, wherein the pressure reduction section includes a housing having an open end and a fluid outlet, a piston, a base member, and a spring, the piston, the base member, and the spring being received into the open end of the housing and cooperating to communicate fluid from the first recess of the unitary body to the fluid outlet of the housing. 6. The apparatus of claim 1, further comprising a flow selector having a plurality of fluid conduits which correspond to a plurality of flow rates, the flow selector being supported by the unitary body and movable relative to the unitary body to position one of the plurality of fluid conduits in fluid communication with the fluid outlet. 7. The apparatus of claim 6, wherein a housing supports an axle, the flow selector being rotatably coupled to the axle. 8. The apparatus of claim 7, wherein the axle includes a fluid conduit which is in fluid communication with an interior of the housing. 9. The apparatus of claim 6, further comprising a plurality of additional body members coupled to the unitary body, the plurality of additional body parts supporting a conserver which regulates the flow of fluid from the fluid outlet to a cannula coupled to at least one of the additional body members. 10. The apparatus of claim 1, wherein the unitary body is made from one of aluminum, composite, and polymeric materials and the second coupler is made from one of brass, copper, and titanium. 11. An apparatus in fluid communication with a first source of pressurized fluid and a second source of pressurized fluid, the apparatus comprising: a pressure reduction section having a housing having an open end and a fluid outlet, a piston, a base member, and a spring, the piston, the base member, and the spring being received into the open end of the housing;a unitary body member having a first portion with a first recess sized to receive the pressure reduction section and a second portion extending from the first portion, the second portion including a first threaded surface, the unitary body member having a first fluid conduit which is in fluid communication with an exterior of the second portion of the unitary body member at a fluid inlet and with the first recess in the first portion of the unitary body member at a fluid outlet, the piston, the base member, and the spring of the pressure reduction section cooperate to communicate fluid from a first recess of the unitary body to the fluid outlet of the housing of the pressure reduction section; anda first coupler having a cylindrical body with a second threaded surface on an exterior of the cylindrical body of the coupler and a third threaded surface provided in a second recess of the coupler, the third threaded surface cooperating with the first threaded surface of the second portion of the unitary body member to couple the first coupler to the unitary body member, the first coupler having a second fluid conduit which is in fluid communication with the first fluid conduit of the second portion of the unitary body member when the first coupler is coupled to the unitary body member, wherein the first source of pressurized fluid is coupled to the first coupler through the second threaded surface on the exterior of the cylindrical body of the first coupler. 12. The apparatus of claim 11, further comprising a flow selector having a plurality of fluid conduits which correspond to a plurality of flow rates, the flow selector being supported by the unitary body and movable relative to the unitary body to position one of the plurality of fluid conduits in fluid communication with the fluid outlet of the housing. 13. The apparatus of claim 12, wherein the housing supports an axle, the flow selector being rotatably coupled to the axle. 14. The apparatus of claim 13, wherein the axle includes a fluid conduit which is in fluid communication with an interior of the housing. 15. The apparatus of claim 11, further comprising a plurality of additional body members coupled to the unitary body, the plurality of additional body parts supporting a conserver which regulates the flow of fluid from the fluid outlet of the housing to a cannula coupled to at least one of the additional body members. 16. The apparatus of claim 11, wherein the unitary body is made from one of aluminum, composite, and polymeric materials and the first coupler is made from one of brass, copper, and titanium. 17. The apparatus of claim 11, wherein the second portion of the unitary body extends beyond an axial end surface of the first portion of the unitary body. 18. The apparatus of claim 17, wherein the first coupler includes a flange which is received in a third recess of the first portion of the unitary body, a top surface of the flange being flush with the axial end surface of the first portion of the unitary body. 19. The apparatus of claim 18, further comprising a seal positioned between the flange of the first coupler and the unitary body.
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