Evaporative fluid pouch and systems for use with body fluids
View Patent ↗An inline storage-and-liquid-processing pouch for use with body fluids from a patient is presented that involves introducing body fluids into a first chamber in the storage-and-liquid-processing pouch and flowing air through a second chamber. The chambers are separated by a high-moisture-vapor-transfer-rate member. The air flow in the second chamber enhances liquid removal from the first chamber across the high-moisture-vapor-transfer-rate member. Other systems, devices, and methods are disclosed herein.
1. A system for treating a tissue site on a patient with reduced-pressure, the system comprising:
a reduced-pressure dressing for disposing proximate to the tissue site;
a first reduced-pressure conduit fluidly coupled to the reduced-pressure dressing for delivery of reduced pressure thereto; and
an inline storage-and-liquid-processing pouch having a first chamber and a second chamber, wherein the first chamber is fluidly coupled to the first reduced-pressure conduit and configured to be fluidly coupled to a reduced-pressure source, and wherein the second chamber has an evaporation port adapted to allow air to flow out of the second chamber and is configured to be fluidly coupled to a positive-pressure source.
2. The system of claim 1 , wherein the inline storage-and-liquid-processing pouch comprises:
a pouch body having an interior portion divided into two parts by a first high-moisture-vapor-transfer-rate member to form the first chamber and the second chamber;
a storage material disposed within the first chamber; and
an air-movement manifold disposed within the second chamber.
3. The system of claim 2 , wherein the storage material comprises an absorbent member.
4. The system of claim 2 , wherein the storage material comprises an absorbent member and a first wicking member.
5. The system of claim 2 , wherein the storage material comprises an absorbent member, a first wicking member, and a second wicking member, wherein the absorbent member is disposed between the first wicking member and the second wicking member.
6. An inline storage-and-liquid-processing pouch for use with body fluids from a patient, the inline storage-and-liquid-processing pouch comprising:
a pouch body having an interior portion divided into two parts by a first high-moisture-vapor-transfer-rate member to form a first chamber and a second chamber;
a first port formed on the pouch body and fluidly coupled to the first chamber;
a second port formed on the pouch body and fluidly coupled to the first chamber;
a first evaporation port formed on the pouch body and fluidly coupled to the second chamber; and
a second evaporation port formed on the pouch body and fluidly coupled to the second chamber.
7. The inline storage-and-liquid-processing pouch of claim 6 , further comprising a storage material.
8. The inline storage-and-liquid-processing pouch of claim 7 , wherein the storage material comprises an absorbent member and a first wicking member.
9. The inline storage-and-liquid-processing pouch of claim 7 , wherein the storage material comprises an absorbent member, a first wicking member, and a second wicking member, wherein the absorbent member is disposed between the first wicking member and the second wicking member.
10. The inline storage-and-liquid-processing pouch of claim 6 , further comprising a first micro-pump coupled to the pouch body and fluidly coupled to the first port, wherein the first micro-pump is operable to produce reduced pressure delivered to the first port.
11. The inline storage-and-liquid-processing pouch of claim 6 , further comprising a second micro-pump coupled to the pouch body and fluidly coupled to the first evaporation port, wherein the second micro-pump is operable to produce air flow in the second chamber between the first evaporation port and the second evaporation port.
12. The inline storage-and-liquid-processing pouch of claim 6 , further comprising:
a first micro-pump coupled to the pouch body and fluidly coupled to the first port, wherein the first micro-pump is operable to produce reduced pressure that is delivered to the first port; and
a second micro-pump coupled to the pouch body and fluidly coupled to the first evaporation port, wherein the second micro-pump is operable to produce air flow in the second chamber between the first evaporation port and the second evaporation port.
13. The inline storage-and-liquid-processing pouch of claim 6 , wherein the pouch body has surface area in plane view greater than 200 centimeters 2 and less than 730 centimeters 2 .
14. An inline storage-and-liquid-processing pouch for use with body fluids from a patient, the inline storage-and-liquid-processing pouch comprising:
a pouch body having an interior portion divided into three parts by a first high-moisture-vapor-transfer-rate member and a second high-moisture-vapor-transfer-rate member to form a first chamber, a second chamber, and a third chamber, wherein the first chamber is between the second and third chambers;
a first air-movement manifold disposed within the second chamber;
a second air-movement manifold disposed within the second chamber;
a first port formed on the pouch body and fluidly coupled to the first chamber;
a second port formed on the pouch body and fluidly coupled to the first chamber;
a first evaporation port formed on the pouch body and fluidly coupled to the second chamber;
a second evaporation port formed on the pouch body and fluidly coupled to the second chamber;
a third evaporation port formed on the pouch body and fluidly coupled to the third chamber; and
a fourth evaporation port formed on the pouch body and fluidly coupled to the third chamber.
15. The inline storage-and-liquid-processing pouch of claim 14 , further comprising a storage material disposed within the first chamber.
16. The inline storage-and-liquid-processing pouch of claim 15 , wherein the storage material comprises an absorbent member and a first wicking member.
17. The inline storage-and-liquid-processing pouch of claim 15 , wherein the storage material comprises an absorbent member, a first wicking member, and a second wicking member, wherein the absorbent member is disposed between the first wicking member and the second wicking member.
18. The system of claim 1 , further comprising a reduced-pressure source fluidly coupled to the first chamber.
19. The system of claim 1 , wherein the positive-pressure source is fluidly coupled to the second chamber at a second evaporation port and configured to move air within the second chamber.
20. An inline storage-and-liquid-processing pouch for use with body fluids from a patient, the inline storage-and-liquid-processing pouch comprising:
a pouch body having an interior portion comprising a first chamber and a second chamber;
a storage material disposed within the first chamber;
an air-movement manifold disposed within the second chamber;
a first port adapted to fluidly couple the first chamber to a reduced-pressure source; and
a second port adapted to fluidly couple the second chamber to a positive-pressure source.
21. The inline storage-and-liquid-processing pouch of claim 20 , wherein the pouch body is adapted to maintain a relative humidity gradient between the first chamber and the second chamber.
22. The inline storage-and-liquid-processing pouch of claim 20 , wherein the storage material comprises an absorbent member and a first wicking member.