Hybrid apparatus for fluid supply for endoscopic irrigation and lens cleaning

1. An apparatus, comprising:

a cap configured to be coupled to a fluid source, the fluid source defining a chamber configured to contain a fluid, the cap defining a first opening, a second opening, and a third opening;

a first tube coupled to the cap such that a lumen defined by the first tube is in fluid communication with the chamber of the fluid source via the first opening when the cap is coupled to the fluid source, the first tube configured to fluidically couple a gas source to the chamber of the fluid source;

a second tube having a first end configured to be coupled to an endoscope and a second end configured to extend through the second opening of the cap such that, when the cap is coupled to the fluid source, a portion of the second tube is received in the chamber of the fluid source and the second end of the second tube is disposed in the fluid therein, the second tube configured to convey the fluid out of the chamber of the fluid source to the endoscope through the second tube; and

a third tube configured to extend through the third opening of the cap such that, when the cap is coupled to the fluid source, a portion of the third tube is received in the chamber of the fluid source and an end of the third tube is disposed in the fluid therein, the third tube configured to convey the fluid out of the chamber of the fluid source to the endoscope through the third tube.

2. The apparatus of claim 1 , wherein the cap includes a fitting configured to be coupled to the first tube.

3. The apparatus of claim 1 , wherein the first tube is coaxial with the second tube.

4. The apparatus of claim 3 , wherein a portion of the first tube forms an annular space around a portion of the second tube.

5. The apparatus of claim 1 , further comprising a check valve coupleable to the second tube and, when the first end of the second tube is coupled to the endoscope, configured to prevent a flow from the endoscope to the chamber of the fluid source.

6. The apparatus of claim 5 , wherein the check valve is configured to be disposed in the fluid contained by the chamber when coupled to the second tube.

7. The apparatus of claim 5 , wherein the check valve is configured to be disposed proximate to the second end of the second tube.

8. The apparatus of claim 5 , wherein the check valve is a first check valve and the apparatus further comprises:

a second check valve to prevent a flow from the chamber of the fluid source into the gas source.

9. The apparatus of claim 1 , wherein the first tube is configured to convey the fluid from the chamber of the fluid source to the endoscope for endoscopic lens cleaning.

10. The apparatus of claim 1 , wherein the cap is ventless.

11. The apparatus of claim 10 , wherein the cap is configured to seal the chamber of the fluid source from atmospheric air.

12. The apparatus of claim 1 , wherein the gas source is a CO 2 gas source.

13. The apparatus of claim 1 , wherein the fluid in the chamber of the fluid source is a liquid.

14. An apparatus for delivering liquid to an endoscope, the apparatus comprising:

a first connector configured to be sealingly mated to a second connector defining a passageway and coupled to a container, the first connector defining a first opening, a second opening, and a third opening, the container defining an inner volume and configured to contain the liquid;

a first tube coupled to the first connector and configured to fluidically couple a gas source to the inner volume of the container via the first opening, the first tube having a first end and a second end and defining a lumen therebetween, the first end of the first tube configured to be coupled to the gas source;

a second tube extending through the second opening of the first connector and configured to convey the liquid contained in the inner volume of the container to the endoscope through the second tube, the second tube having a first end configured to be coupled to the endoscope and a second end configured to be disposed in the liquid contained in the inner volume of the container; and

a third tube extending through the third opening of the first connector and configured to convey the liquid contained in the inner volume of the container to the endoscope through the third tube, the third tube having a first end configured to be coupled to the endoscope and a second end configured to be disposed in the liquid contained in the inner volume of the container.

15. The apparatus of claim 14 , wherein the second tube is configured to be coupled to a check valve configured to prevent the flow of liquid from the endoscope into the inner volume of the container when the first end of the second tube is coupled to the endoscope.

16. The apparatus of claim 15 , wherein the check valve is configured to be disposed in the liquid contained in the inner volume of the container when coupled to the second tube.

17. The apparatus of claim 15 , wherein the check valve is configured to be disposed proximate to the second end of the second tube.

18. The apparatus of claim 15 , wherein the check valve is a first check valve and the apparatus further comprises:

a second check valve to prevent a flow from the inner volume of the container into the gas source.

19. The apparatus of claim 14 , wherein the first tube is coaxial with the second tube.

20. The apparatus of claim 19 , wherein a portion of the first tube forms an annular space around a portion of the second tube.

21. The apparatus of claim 14 , wherein the first tube is configured to convey the liquid contained in the inner volume of the container to the endoscope for endoscopic lens cleaning.

22. The apparatus of claim 14 , wherein the cap is ventless.

23. The apparatus of claim 14 , wherein the cap is configured to seal the inner volume of the container from atmospheric air.

24. The apparatus of claim 14 , wherein the gas source is a CO 2 gas source.