Granted Patent B2

US 12,521,288 · App. 17/907,125 · Granted Jan 13, 2026

Inventors: Samuel Edmund Whittome (Cambridge, GB); Emily Lucy Triggs (Cambridge, GB); Gary Stacey (Cambridge, GB); Alexander David Norman (Cambridge, GB); Leanne Yip Heung Win (Middlesex, GB)

Assignee: PUREWICK CORPORATION

A61F13/5376A61F13/53704A61F13/53708A61M1/60A61F2013/15552A61F2013/530802

Abstract

Claims (41)

1 . A multi-layered urine capture device to be positioned adjacent a urethra of a female user, the multi-layered urine capture device comprising:

a reservoir layer defining a volume for receiving and storing urine discharged from a user;

a fluid impermeable layer defining a bottom surface of the multi-layered urine capture device;

one or more sensors disposed within the multi-layered urine capture device and configured to detect urine;

one or more electrical traces coupled to the one or more sensors and adhered, molded, or affixed to an inner surface of the fluid impermeable layer, the one or more electrical traces being configured to connect the one or more sensors to an ancillary system configured to receive information from the one or more sensors;

an outlet in the fluid impermeable layer configured receive wiring operably coupled to the one or more electrical traces; and

a fluid conduit positioned adjacent to the reservoir layer, the fluid conduit providing fluid communication between the multi-layered urine capture device and a suction source, wherein a negative pressure applied to the fluid conduit draws urine out of the volume and through the fluid conduit, wherein the outlet in the fluid impermeable layer defines a gap and the conduit is affixed or mechanically retained within the gap of the outlet.

2 . The multi-layered urine capture device of claim 1 , further comprising a permeable layer configured to direct urine away from a portion of skin surrounding a female anatomy of the user, the permeable layer biasing the urine to remain within the reservoir layer, the reservoir layer being positioned between the permeable layer and the fluid impermeable layer.

3 . The multi-layered urine capture device of claim 2 , further comprising an interface layer configured to interface with the female anatomy of the user.

4 . The multi-layered urine capture device of claim 3 , wherein the interface layer forms a gel when exposed to fluid, the gel forming a fluid impermeable barrier between the user and the interface layer.

5 . The multi-layered urine capture device of claim 3 further comprising an air inlet layer, the air inlet layer being positioned between the interface layer and the permeable layer.

6 . The multi-layered urine capture device of claim 5 , wherein the air inlet layer and the interface layer form a wall extending around a periphery of the permeable layer, the wall defining a cavity.

7 . The multi-layered urine capture device of claim 6 , wherein:

the permeable layer includes liquid directing features configured to direct the flow of urine into the reservoir layer; and

at least a portion of the liquid directing features extend into the cavity.

8 . A system including the multi-layered urine capture of claim 1 , the system further comprising a vacuum source operably coupled to the fluid conduit, the vacuum source configured to extract urine from the volume by applying a negative pressure to the multi-layered urine capture device.

9 . The multi-layered urine capture device of claim 1 , wherein the reservoir layer includes a semi-absorbent material.

10 . The multi-layered urine capture device of claim 9 , wherein the semi-absorbent material includes a foam or polyester.

11 . The multi-layered urine capture device of claim 1 , further comprising an adjustment mechanism configured to manipulate a contour of a bottom surface of the fluid impermeable layer.

12 . The multi-layered urine capture device of claim 11 , wherein the adjustment mechanism includes a wire frame defined by a plurality of longitudinal members.

13 . The multi-layered urine capture device of claim 1 , wherein the reservoir layer has a density characteristic and a rate at which urine permeates the reservoir layer relates to the density characteristic.

14 . The multi-layered urine capture urine capture device of claim 1 , wherein the fluid impermeable layer has one or more walls that extend substantially perpendicular to the bottom surface, the one or more walls defining:

a periphery of the multi-layered urine capture device; and

an inner volume of the multi-layered urine capture device.

15 . The multi-layered urine capture device of claim 1 , further comprising:

a one-way fluid permeable layer, the reservoir layer being positioned between the one-way fluid permeable layer and the fluid impermeable layer;

a fluid conduit positioned adjacent the reservoir layer, the fluid conduit providing fluid communication between the multi-layered urine capture device and a suction source;

wherein urine is drawn out of the volume and through the fluid conduit when a negative pressure is applied to the fluid conduit.

16 . The multi-layered urine capture device of claim 15 , wherein the one-way fluid permeable layer permits urine to flow into an upper surface of the reservoir layer and prevents urine from flowing out of the upper surface of the reservoir layer.

17 . The multi-layered urine capture device of claim 15 , wherein the multi-layered urine capture device further comprises an adjustment mechanism configured to manipulate a contour of a bottom surface of the fluid impermeable layer.

18 . The multi-layered urine capture device of claim 17 , wherein the adjustment mechanism includes a wire frame defined by a plurality of longitudinal members.

19 . The multi-layered urine capture device of claim 1 , further comprising a hydrophobic layer disposed with the reservoir layer between the hydrophobic layer and the fluid impermeable layer.

20 . The multi-layered urine capture device of claim 19 , wherein the hydrophobic layer includes a plurality of ridges, a plurality of channels, and a plurality of apertures disposed within the plurality of channels, the plurality of ridges and the plurality of channels being configured to direct urine to the one or more apertures of the plurality of apertures.

21 . The multi-layered urine capture device of claim 19 , further comprising a one-way fluid permeable layer disposed between the hydrophobic layer and the reservoir layer, wherein the hydrophobic layer includes a hydrophobic dimple layer including a plurality of dimples configured to direct urine to the one-way fluid permeable layer.

22 . A multi-layered urine capture device to be positioned adjacent a urethra of a female user, the multi-layered urine capture device comprising:

a reservoir layer defining a volume for receiving and storing urine discharged from a user;

a fluid impermeable layer defining a bottom surface of the multi-layered urine capture device;

one or more sensors disposed within the multi-layered urine capture device and configured to detect urine;

one or more electrical traces coupled to the one or more sensors and adhered, molded, or affixed to an inner surface of the fluid impermeable layer; and

an adjustment mechanism configured to manipulate a contour of a bottom surface of the fluid impermeable layer.

23 . The multi-layered urine capture device of claim 22 , wherein the adjustment mechanism includes a wire frame defined by a plurality of longitudinal members.

Continuity (2)

References Cited (400)