Systems, methods, and devices for fallopian tube diagnostics
The present disclosure generally relates to devices, systems, and methods for Fallopian tube diagnostics. In some embodiments, a tube may have a distal end, and a balloon may be coupled to the distal end of the tube. The balloon may be disposed in the tube in a first, inverted position and movable to a second, everted position. The balloon may be extendable a distance distal of the tube distal end such that a surface of the balloon is contactable with an inner surface of the Fallopian tube. A push wire may have a distal end coupled to a second end of the balloon. The balloon may be movable from the first inverted position to the second everted position by actuation of the push wire. The surface of the balloon may include a plurality of surface features for collection of a tissue sample of the inner surface of the Fallopian tube.
1. A device for Fallopian tube diagnostics, comprising:
a tube having a distal end;
a balloon having a first end coupled to the distal end of the tube, the balloon being disposed in the tube in a first, inverted position and movable to a second, everted position, extendable a distance distal of the distal end of the tube, such that a surface of the balloon is contactable with an inner surface of a Fallopian tube;
wherein at least a majority of the length of the balloon is inelastic such that the balloon is configured to prevent over-expansion of the Fallopian tube during eversion;
and a push wire having a distal end coupled to a second end of the balloon, wherein the balloon is movable from the first inverted position to the second everted position by actuation of the push wire;
wherein the surface of the balloon includes a plurality of surface features for collection, retention, or both, of a tissue sample of the inner surface of the Fallopian tube.
2. The device according to claim 1 , wherein the plurality of surface features comprise a plurality of wrinkles in the surface of the balloon, having at least one of a plurality of edges, micro-ridges, or overlapping material, or combinations thereof.
3. The device according to claim 1 , wherein a plurality of wrinkles are formable in the balloon surface.
4. The device according to claim 1 , wherein a plurality of wrinkles in the balloon surface are configured to retain at least a portion of the tissue sample after contacting the inner surface of the Fallopian tube.
5. The device according to claim 1 , wherein the plurality of surface features are etched in the surface of the balloon.
6. The device according to claim 1 , wherein a portion of the surf ace of the balloon is embossed to form a plurality of peaks and valleys.
7. The device according to claim 1 , wherein the plurality of surface features improve adhesion of the tissue sample to the balloon surface compared to the balloon surface without the plurality of surface features.
8. The device according to claim 1 , wherein the balloon is inflatable for moving the balloon from the first inverted position to the second everted position.
9. The device according to claim 1 , further comprising a filament attached to the distal end of the push wire, wherein the filament is disposed within the balloon in the first inverted position, and the filament is extendable from the balloon in the second everted position.
10. A system for collecting a tissue sample in a body lumen, comprising:
a tube having a distal end and a balloon having a first end coupled to the distal end of the tube and a second end coupled to a distal end of a push wire, the balloon being positionable in a first, inverted state;
wherein the push wire is configured to advance to evert the balloon to a second, everted state, such that the balloon extends out of the distal end of the tube;
wherein at least a majority of the length of the balloon is inelastic such that the balloon is configured to prevent over-expansion of the body lumen during eversion;
wherein a surface of the balloon is configured in the second, everted state, to contact an inner surface of the body lumen for transference of the tissue sample to the balloon surface;
and wherein the balloon surface includes a plurality of surface features for collection, retention, or both, of the tissue sample.
11. The system according to claim 10 , wherein the plurality of surface features comprise a plurality of wrinkles in the surface of the balloon, having at least one of a plurality of edges, micro-ridges, or overlapping material, or combinations thereof.
12. The system according to claim 10 , wherein a plurality of wrinkles are formable in the balloon surface.
13. The system according to claim 10 , wherein a plurality of wrinkles in the balloon surface are configured to retain at least a portion of the tissue sample after contacting the inner surface of the body lumen.
14. The system according to claim 10 , wherein the plurality of surface features are etched in the surface of the balloon.
15. The system according to claim 10 , wherein the plurality of surface features improve adhesion of the tissue sample to the balloon surface compared to the balloon surface without the plurality of surface features.
16. A method for collecting a tissue sample in a body lumen, comprising:
providing a tube having a distal end and a balloon having a first end coupled to the distal end of the tube and a second end coupled to a distal end of a push wire, the balloon being positioned in a first, inverted state;
advancing the push wire to evert the balloon to a second, everted state, such that the balloon extends out of the distal end of the tube;
wherein at least a majority of the length of the balloon is inelastic such that the balloon is configured to prevent over-expansion of the body lumen during eversion;
contacting a balloon surface in the second, everted state, with an inner surface of the body lumen;
and wherein the balloon surface includes a plurality of surface features for collection, retention, or both, of the tissue sample.
17. The method according to claim 16 , wherein the plurality of surface features comprise a plurality of wrinkles in the surface of the balloon, having at least one of a plurality of edges, micro-ridges, or overlapping material, or combinations thereof.
18. The method according to claim 16 , wherein a plurality of wrinkles are formable in the balloon surface.
19. The method according to claim 16 , wherein a plurality of wrinkles in the balloon surf ace are configured to retain at least a portion of the tissue sample after contacting the inner surface of the body lumen.
20. The method according to claim 16 , wherein the plurality of surface features improve adhesion of the tissue sample to the balloon surface compared to the balloon surface without the surface features.