The present invention provides an adaptor that is suitable for attachment to an endoscopic device for delivery of a secondary gas. The adaptor generally comprises an adaptor body with first and second fluid transport components and can include a gas inlet on one of the fluid transport components sui
The present invention provides an adaptor that is suitable for attachment to an endoscopic device for delivery of a secondary gas. The adaptor generally comprises an adaptor body with first and second fluid transport components and can include a gas inlet on one of the fluid transport components suitable for attachment to a secondary gas source. A sealing member can be included to prevent leakage of any fluid (e.g., liquid or gas) that is transported through channels extending through the fluid transport components. The adaptor may be used in endoscopy methods and is particularly useful for adding a secondary gas source in an endoscopy procedure.
대표청구항▼
1. An adaptor for an endoscopic device, the adaptor comprising an adaptor body having: a first fluid transport component in a non-fluid connection with a second fluid transport component, the first and second fluid transport components each having walls with exterior surfaces and interior surfaces d
1. An adaptor for an endoscopic device, the adaptor comprising an adaptor body having: a first fluid transport component in a non-fluid connection with a second fluid transport component, the first and second fluid transport components each having walls with exterior surfaces and interior surfaces defining respective first and second channels extending therethrough, each fluid transport component having a flared end and a tapered end whereby each of the first and second channels extends through the flared end and the tapered end;an inlet port extending outward from the exterior surface of the second fluid transport component, the inlet port having a central passage defined through the exterior surface of the second fluid transport component and into the interior surface of the second fluid transport component so as to be in fluid connection with the second channel;a shroud comprising a wall extending radially outwardly from the exterior surfaces of the first and second fluid transport components,wherein the wall extends axially with respect to the first and second fluid transport components such that the tapered end of the second fluid transport component is completely surrounded by the shroud, and wherein the tapered end of the first fluid transport component extends beyond a height of the wall surrounding the tapered end of the second fluid transport component,wherein the adaptor is configured to be attached in-line between an endoscopic device and a water source connector such that the first and second channels are in fluid connection with the endoscopic device and the water source connector,wherein the channel in the first fluid transport component is a liquid channel, the channel in the second fluid transport component is a gas channel, and the inlet port extends outward from the second fluid transport component such that the central passage in the inlet port is in fluid connection with the gas channel, andwherein the inlet port is configured to receive a secondary gas source for providing to the endoscopic device. 2. The adaptor of claim 1, further comprising a sealing member located at the interior surface of one or both of the flared ends of the first and second fluid transport components. 3. The adaptor of claim 1, wherein the inlet port comprises a luer connector. 4. The adaptor of claim 1, wherein the central passage in the inlet port is substantially perpendicular to the second channel of the second fluid transport component. 5. The adaptor of claim 1, wherein the adaptor body is a single, monolithic structure. 6. The adaptor of claim 1, wherein an internal diameter of the gas channel at the tapered end of the second fluid transport component is greater than an internal diameter of the liquid channel at the tapered end of the first fluid transport component. 7. The adaptor of claim 1, wherein an external diameter of the flared end of the first fluid transport component is greater than an external diameter of the flared end of the second fluid transport component. 8. The adaptor of claim 1, wherein the flared ends of the first and second fluid transport components are shaped to engage fluid transport elements extending from a portion of the endoscopic device. 9. The adaptor of claim 8, wherein the flared ends are shaped to facilitate a press-fit, sealed engagement with the fluid transport elements on the endoscopic device without secondary engaging means. 10. The adaptor of claim 1, wherein the tapered ends of the first and second fluid transport components are shaped to engage receptacles in a water source connector. 11. The adaptor of claim 10, wherein the tapered ends are shaped to facilitate a press-fit, sealed engagement with the water source connector receptacles without secondary engaging means. 12. The adaptor of claim 1, wherein the first and second fluid transport components are substantially parallel and are in a side-by-side connection. 13. The adaptor of claim 1, wherein the adaptor body comprises a polymeric material. 14. The adaptor of claim 13, wherein the polymeric material is chemical resistant, heat resistant, or both chemical resistant and heat resistant. 15. The adaptor of claim 1, further comprising a tubing coupled between the inlet port and an insufflator unit for supplying a secondary gas source to the first or second fluid transport channel. 16. The adaptor of claim 1, wherein the first fluid transport component has a greater length than the second fluid transport component. 17. The adaptor of claim 1, wherein each of the first and second fluid transport components comprises a central body between the tapered end and the flared end. 18. The adaptor of claim 17, wherein an external diameter of the central body is greater than an external diameter of each of the tapered ends of the first and second fluid transport components, and wherein the external diameter of the central body is less than the external diameter of each of the flared ends of the first and second fluid transport components. 19. The adaptor of claim 1, wherein an external diameter of each of the flared ends of the first and second fluid transport components is greater than an external diameter of each of the tapered ends of the first and second fluid transport components. 20. The adaptor of claim 1, wherein the tapered end of the first or second transport components comprises a metallic material, and wherein a remaining portion of the adaptor body comprises a polymeric material. 21. The adaptor of claim 1, wherein the wall extends circumferentially about the first and second fluid transport components so as to define an opening for at least partially receiving the tapered end of the first and/or second fluid transport component. 22. The adaptor of claim 1, wherein the inlet port comprises a barb connector. 23. The adaptor of claim 1, wherein the inlet port extends outward from the exterior surface of the second fluid transport component such that the central passage is separate from, and branches off of, the second channel. 24. The adaptor of claim 1, wherein the second channel comprises a first open end and a second open end, and wherein the central passage intersects the second channel between the first and second open ends. 25. A method of performing an endoscopic procedure, the method comprising using an assembly including an endoscopic device, a water source, a gas source, and an adaptor according to claim 1. 26. A method for supplying a secondary gas in an endoscopic procedure, the method comprising: using an endoscopic device having attached thereto a water source with a connector;affixing in-line between the water source connector and the endoscopic device an adaptor comprising: an adaptor body having: a first liquid transport component in a non-fluid connection with a second gas transport component, the first liquid and second gas transport components each having walls with exterior surfaces and interior surfaces forming respective first and second channels extending therethrough, each transport component having a flared end and a tapered end whereby each of the first and second channels extends through the flared end and the tapered end, wherein the first and second channels are in fluid connection with the endoscopic device and the water source connector;a gas inlet port extending outward from the exterior surface of the second gas transport component, the inlet port having a central passage defined through an exterior surface of the second gas transport component and into the interior surface of the second gas transport component so as to be in fluid connection with the second channel formed in the second gas transport component; anda shroud comprising a wall extending radially outwardly from the exterior surfaces of the first liquid and second gas transport components,wherein the wall extends axially with respect to the first liquid and second gas transport components such that the tapered end of the second gas transport component is completely surrounded by the shroud, and wherein the tapered end of the first liquid transport component extends beyond a height of the wall surrounding the tapered end of the second gas transport component; andsupplying a secondary gas source to the endoscopic device via the gas inlet port on the adaptor. 27. The method of claim 26, wherein the secondary gas comprises carbon dioxide. 28. The adaptor of claim 17, wherein the inlet port extends outward from the central body of the second transport component.
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