Oscillating positive expiratory pressure device

• US 9,517,315 B2
• Filed: 11/27/2013
• Issued: 12/13/2016
• Est. Priority Date: 11/30/2012
• Status: Active Grant

• Current Assignee: Trudell Medical International (Trudell Medical Limited)
• Original Assignee: Trudell Medical International (Trudell Medical Limited)
• Inventors: Meyer, Adam, Kopala, Raphael, Dobson, Chris, Schmidt, James, Alizoti, Neritan
• Primary Examiner(s): Ho, Jackie T
• Assistant Examiner(s): Luarca, Margaret
• Application Number:
  US14/092,091
• Publication Number:
  US 20140150790A1
• Time in Patent Office: 1,112 Days
• Field of Search: 128/204.18
• US Class Current: 1/1
• CPC Class Codes: A61M 16/0006 with means for creating vibrations in patients' airways
• CPC Class Codes: A61M 16/0866 Passive resistors therefor
• CPC Class Codes: A61M 16/20 Valves specially adapted to medical respiratory devices
• CPC Class Codes: A61M 16/205 used for exhalation control
• CPC Class Codes: A61M 16/208 Non-controlled one-way valves, e.g. exhalation, check, pop-off non-rebreathing valves
• CPC Class Codes: A61M 2205/3365 Rotational speed

Abstract

A respiratory treatment device comprising at least one chamber, a chamber inlet configured to receive air into the at least one chamber, at least one chamber outlet configured to permit air to exit the at least one chamber, and a flow path defined between the chamber inlet and the at least one chamber outlet. A restrictor member positioned in the flow path is moveable between a closed position, where a flow of air along the flow path is restricted, and an open position, where the flow of air along the flow path is less restricted. A vane in fluid communication with the flow path is operatively connected to the restrictor member and is configured to reciprocate between a first position and a second position in response to the flow of air along the flow path.

Claims

1. A respiratory treatment device comprising:

a housing enclosing at least one chamber;

a chamber inlet configured to receive air into the at least one chamber;

at least one chamber outlet configured to permit air to exit the at least one chamber;

a flow path defined between the chamber inlet and the at least one chamber outlet;

an orifice positioned in the at least one chamber along the flow path such that the flow path passes through the orifice, and,

a vane positioned adjacent the orifice, the vane being configured to rotate in response to the flow of air through the orifice;

wherein the vane is biased by an elastic band toward a position where a central portion of the vane is not aligned with the orifice.

2. The respiratory treatment device of claim 1, wherein the vane is substantially planar.

3. The respiratory tournament device of claim 1, where an end of the elastic band is attached to a side of the vane opposite the side of the vane adjacent the orifice.

4. The respiratory treatment device of claim 1, further comprising a restrictor member operatively connected to the vane, the restrictor member being configured to rotate between a closed position, where the flow of air along the flow path is restricted, and an open position, where the flow of air along the flow path is less restricted.

5. The respiratory treatment device of claim 4, wherein the restrictor member and the vane are operatively connected by a shaft.

6. The respiratory treatment device of claim 5, wherein the restrictor member has a center of mass offset from an axis of rotation of the shaft.

7. The respiratory treatment device of claim 6, wherein a force of gravity biases the restrictor member and the vane toward the position where the central portion of the vane is not aligned with the orifice.

8. The respiratory treatment device of claim 4, wherein the restrictor member is biased by the elastic band.

9. The respiratory treatment device of claim 5, wherein the restrictor member is biased by the elastic band.

10. A respiratory treatment device comprising:

a housing enclosing at least one chamber;

a chamber inlet configured to receive air into the at least one chamber;

at least one chamber outlet configured to permit air to exit the at least one chamber;

a flow path defined between the chamber inlet and the at least one chamber outlet;

a restrictor member movable between a closed position, where the flow of air along the flow path is restricted, and an open position, where the flow of air along the flow path is less restricted;

an orifice positioned in the at least one chamber along the flow path such that the flow path passes through the orifice, and,

a vane positioned adjacent the orifice, the vane being operatively connected to the restrictor member and configured to rotate in response to the flow of air through the orifice;

wherein the restrictor member is biased by an elastic band toward a position where a central portion of the vane is not aligned with the orifice.

11. The respiratory treatment device of claim 10, wherein the restrictor member and the vane are operatively connected by a shaft.

12. The respiratory treatment device of claim 10, wherein the elastic band is attached to the vane.

13. The respiratory treatment device of claim 11, wherein the elastic band is attached to the vane.

14. A respiratory treatment device comprising:

a housing enclosing at least one chamber;

a chamber inlet configured to receive air into the at least one chamber;

at least one chamber outlet configured to permit air to exit the at least one chamber;

a flow path defined between the chamber inlet and the at least one chamber outlet;

a restrictor member movable between a closed position, where the flow of air along the flow path is restricted, and an open position, where the flow of air along the flow path is less restricted;

an orifice positioned in the at least one chamber along the flow path such that the flow path passes through the orifice, and,

a vane positioned adjacent the orifice, the vane being operatively connected to the restrictor member and configured to rotate in response to the flow of air through the orifice;

wherein the vane and restrictor member are biased by an elastic band toward a position where a central portion of the vane is not aligned with the orifice.

15. The respiratory treatment device of claim 14, wherein the restrictor member and the vane are operatively connected by a shaft.

16. The respiratory treatment device of claim 14, wherein the elastic band is attached to the vane.

17. The respiratory treatment device of claim 15, wherein the elastic band is attached to the vane.