SMART ETT VENTILATION ATTACHMENT AND METHOD OF USE

• US 20170319804A1
• Filed: 09/29/2016
• Published: 11/09/2017
• Est. Priority Date: 05/09/2016
• Status: Active Grant

• Current Assignee: Art Healthcare Ltd.
• Original Assignee: Art Healthcare Ltd.
• Inventors: ELIA, Liron, IDDAN, Gavriel J.
• Granted Patent: US 10,413,688 B2
• Time in Patent Office: Days
• CPC Class Codes: A61M 16/0003 Accessories therefor, e.g. sensors, vibrators, negative pressure
• CPC Class Codes: A61M 16/04 Tracheal tubes catheters in general A61M25/00
• CPC Class Codes: A61M 16/0402 Special features for tracheal tubes not otherwise provided for
• CPC Class Codes: A61M 16/0431 with a cross-sectional shape other than circular
• CPC Class Codes: A61M 16/0463 combined with suction tubes, catheters or the like; Outside connections
• CPC Class Codes: A61M 16/0475 having openings in the tube
• CPC Class Codes: A61M 16/0477 with incorporated means for delivering or removing fluids
• CPC Class Codes: A61M 16/0479 above the cuff, e.g. giving access to the upper trachea
• CPC Class Codes: A61M 16/0484 at the distal end
• CPC Class Codes: A61M 16/161 with means for measuring the humidity
• CPC Class Codes: A61M 16/201 Controlled valves
• CPC Class Codes: A61M 2016/0413 with detectors of CO2 in exhaled gases
• CPC Class Codes: A61M 2205/07 having air pumping means
• CPC Class Codes: A61M 2205/15 Detection of leaks
• CPC Class Codes: A61M 2230/432 partial CO2 pressure (P-CO2)
• CPC Class Codes: A61M 2230/65 Impedance, e.g. conductivity, capacity

Abstract

An add-on device and method for an Endo-Tracheal Tube (ETT), the add-on device including a lengthy body having a major arc-shaped cross section sized and shaped to tightly fit over an ETT, at least one longitudinal cavity passing along the lengthy body, including a distal suction cavity ending with a suction inlet at a distal end of the lengthy body; and a distal suction outlet channel extending from a proximal end of the lengthy body, the channel is a continuous extension of the distal suction cavity and configured to provide suction to the distal suction cavity. The add-on device senses moisture at a distal end of the add-on device, and in case of detection of excessive wetness, provides suction to the distal end of the device through a cavity passing along the device, the suction is provided via a suction outlet channel extending from a proximal end of the device.

Claims

1. An add-on device for an Endo-Tracheal Tube (ETT), the add-on device comprising:

a lengthy body having a major arc-shaped cross section sized and shaped to tightly fit over an ETT,

wherein the major arc-shaped cross section extends along the length of the lengthy body, from the distal end of the lengthy body to the proximal end of the lengthy body;

at least one longitudinal cavity passing along the lengthy body, comprising a distal suction cavity ending with a suction inlet at a distal end of the lengthy body; and

a distal suction outlet channel extending from a proximal end of the lengthy body, the distal suction outlet channel is a continuous extension of the distal suction cavity and configured to provide suction to the distal suction cavity.

2. The add-on device of claim 1, wherein the add-on device comprising a moisture sensor for detection of liquid at the distal end of the lengthy body and at least one sensor data channel going through the at least one longitudinal cavity towards the proximal end of the lengthy body.

3. The add-on device of claim 1, further comprising:

a mouth suction tube adapted to extend from an external surface of the lengthy body at a location corresponding to a patient'"'"'s mouth, wherein the at least one longitudinal cavity further comprising a mouth suction cavity continuous to the mouth suction tube; and

a mouth suction outlet channel extending from the proximal end of the lengthy body, the mouth suction outlet channel is a continuous extension of the mouth suction cavity and configured to provide suction to the mouth suction cavity.

4. The add-on device of claim 3, the add-on device comprising a moisture sensor at a distal end of the mouth suction tube and at least one sensor data channel going through the at least one longitudinal cavity towards the proximal end of the lengthy body.

5. The add-on device of claim 3, wherein the mouth suction tube is connected to the lengthy body by an axis perpendicular to the lengthy body at the connection point, the mouth suction tube tiltable about the axis to adjust the position of the mouth suction tube.

6. The add-on device of claim 1, the add-on device comprising:

a liquid outlet at an external surface of the lengthy body at a location corresponding to a patient'"'"'s mouth, when in use, wherein the at least one longitudinal cavity further comprising a liquid channel cavity continuous to the liquid outlet; and

a liquid channel extending from the proximal end of the lengthy body, the liquid channel is a continuous extension of the liquid channel cavity and configured to provide liquid to the liquid outlet.

7. The add-on device of claim 6, wherein the liquid outlet is connected to the lengthy body by an axis perpendicular to the lengthy body at the connection point, the liquid outlet tiltable about the axis to adjust the position of the liquid outlet.

8. The add-on device of claim 1, comprising at the distal end of the lengthy body a recess formed in an internal wall of the lengthy body, configured to prevent clogging of the suction inlet.

9. The add-on device of claim 1, comprising an inlet at the distal end of the lengthy body and a CO₂ sampling pipe continuous to the inlet going through the at least one longitudinal cavity towards the proximal end of the lengthy body.

10. The add-on device of claim 1, comprising an outlet bundle of outlet channels including the distal suction outlet channel, the outlet bundle extending from the proximal end of the lengthy body.

11. The add-on device of claim 1, wherein the at least one longitudinal cavity pass in a thickness of the lengthy body.

23. The add-on device of claim 1, wherein the outer surface across the length of the lengthy body is smooth.

24. The add-on device of claim 1, wherein the at least one longitudinal cavity is located within the major arc-shaped cross section, and passes along the length of the lengthy body.

12. An add-on device for an Endo-Tracheal Tube (ETT), the add-on device comprising:

a liquid outlet at a location corresponding to a patient'"'"'s mouth, when in use;

a moisture sensor at a location corresponding to a patient'"'"'s mouth, when in use; and

at least one longitudinal cavity passing within a lengthy body of the add-on device, wherein the major arc-shaped cross section extends along the length of the lengthy body, from the distal end of the lengthy body to the proximal end of the lengthy body, and comprising;

a liquid channel cavity continuous to the liquid outlet; and

a moisture sensor data channel, the liquid channel cavity and moisture sensor data channel going through the at least one longitudinal cavity towards a proximal end of the add-on device,

wherein the liquid channel cavity is adapted to guide liquid from a liquid source to the liquid outlet according to data transmitted through the moisture sensor data channel.

13. A system comprising:

an add-on device for an Endo-Tracheal Tube (ETT), the add-on device comprising;

at least one longitudinal cavity passing within a lengthy body of the add-on device, wherein the major arc-shaped cross section extends along the length of the lengthy body, from the distal end of the lengthy body to the proximal end of the lengthy body, comprising a distal suction cavity ending with a suction inlet at a distal end of the add-on device;

a distal suction outlet channel extending from a proximal end of the add-on device, the distal suction outlet channel is a continuous extension of the distal suction cavity and configured to provide suction to the distal suction cavity; and

a hub for operating the add-on device, the hub comprises a controller configured to control suction supply to the distal suction outlet channel according to moisture sensor data.

14. The system of claim 13, wherein the add-on device comprises a lengthy body having a major arc-shaped cross-section.

15. The system of claim 13, wherein the controller is configured to:

detect excessive wetness based on moisture sensor data; and

when excessive wetness is detected, activate suction through the distal suction outlet channel.

16. The system of claim 13, wherein the add-on device comprises:

a mouth suction tube adapted to extend from an external surface of the add-on device at a location corresponding to a patient'"'"'s mouth, wherein the at least one longitudinal cavity further comprising a mouth suction cavity continuous to the mouth suction tube; and

a mouth suction outlet channel extending from the proximal end of the add-on device, the mouth suction outlet channel is a continuous extension of the mouth suction cavity and configured to provide suction to the mouth suction cavity,

wherein the controller is configured to;

switch a selection valve to select between the distal suction outlet channel and the mouth suction outlet channel; and

switch a pinch valve to control suction supply to the selected suction outlet channel.

17. The system of claim 13, wherein the add-on device comprises:

a liquid outlet at an external surface of the add-on device at a location corresponding to a patient'"'"'s mouth, when in use, wherein the at least one longitudinal cavity further comprising a liquid channel cavity continuous to the liquid outlet; and

a liquid channel extending from the proximal end of the add-on device, the liquid channel is a continuous extension of the liquid channel cavity and configured to provide liquid to the liquid outlet,

wherein the controller is configured to activate a liquid source to provide liquid via the liquid channel.

18. The system of claim 17, wherein the hub comprises an air compressor, wherein the controller is configured to activate the air compressor to push liquid forcefully through the liquid channel.

19. The system of claim 13, wherein the add-on device comprises an inlet at the distal end of the add-on device and a CO₂ sampling pipe continuous to the inlet going through the at least one longitudinal cavity towards the proximal end of the add-on device, and wherein the hub comprises a CO₂ level sensor configured to receive a sample of air via the CO₂ sampling pipe and to measure CO₂ level in the sample.

20. The system of claim 19, wherein the controller is configured to detect air leakage based on the measured CO₂ level.

21. The system of claim 13, wherein the controller is configured to control inflation of an inflatable section of the ETT based on sensor data.

22. A method for controlling an add-on device for an Endo-Tracheal Tube (ETT), the method comprising:

installing the add-on device over the ETT by placing a lengthy body having a major arc-shaped cross section sized and shaped to tightly fit over the ETT, wherein the major arc-shaped cross section extends along the length of the lengthy body, from the distal end of the lengthy body to the proximal end of the lengthy body;

when the add-on device is installed on the ETT, sensing moisture at a distal end of the add-on device; and

in case of detection of excessive wetness, provide suction to the distal end of the add-on device through a cavity passing along the add-on device, the suction is provided via a suction outlet channel extending from a proximal end of the add-on device.