Pressure indicator for an oscillating positive expiratory pressure device

• US 10,363,383 B2
• Filed: 02/05/2015
• Issued: 07/30/2019
• Est. Priority Date: 02/07/2014
• Status: Active Grant

• Current Assignee: Trudell Medical International (Trudell Medical Limited)
• Original Assignee: Trudell Medical International (Trudell Medical Limited)
• Inventors: Alizoti, Neritan, Dobson, Chris, Schmidt, James
• Primary Examiner(s): Stuart, Colin W
• Application Number:
  US14/615,248
• Publication Number:
  US 20150224269A1
• Time in Patent Office: 1,636 Days
• Field of Search: 12820523, 12820222
• CPC Class Codes: A61M 16/0003 Accessories therefor, e.g. sensors, vibrators, negative pressure
• CPC Class Codes: A61M 16/0006 with means for creating vibrations in patients' airways
• CPC Class Codes: A61M 16/049 Mouthpieces
• CPC Class Codes: A61M 16/0866 Passive resistors therefor
• CPC Class Codes: A61M 16/208 Non-controlled one-way valves, e.g. exhalation, check, pop-off non-rebreathing valves
• CPC Class Codes: A61M 2016/0027 pressure meter
• CPC Class Codes: A61M 2205/3331 Pressure; Flow
• CPC Class Codes: A61M 2205/3341 stabilising pressure or flow to avoid excessive variation
• CPC Class Codes: A61M 2205/3348 Pressure measurement using a water column
• CPC Class Codes: A61M 2205/581 by audible feedback
• CPC Class Codes: A61M 2205/583 by visual feedback
• CPC Class Codes: A61M 2205/584 having a color code

Abstract

A pressure indicator for a respiratory treatment device, the pressure indicator including an instrument for measuring pressures, a conduit configured to transmit a pressure within the respiratory treatment device to the instrument, and a pressure stabilizer orifice positioned within the conduit.

Claims

1. A pressure indicator for an oscillating positive expiratory pressure (“

OPEP”

) device, the pressure indicator comprising;

a manometer;

a conduit configured to transmit a pressure from the OPEP device to the manometer, the pressure having an oscillation frequency exceeding 10 Hz; and

,

a pressure stabilizing orifice positioned within the conduit, the pressure stabilizing orifice being configured to dampen oscillations in the pressure transmitted from the OPEP device to the manometer;

wherein the pressure stabilizing orifice has a cross-sectional area between 0.196 mm² and 1.767 mm².

2. The pressure indicator of claim 1, wherein the pressure stabilizing orifice has a diameter between 0.5 mm and 1.5 mm.

3. The pressure indicator of claim 1, wherein the manometer is configured to measure pressure exceeding 5 cm H₂O.

4. The pressure indicator of claim 1, wherein a cross-sectional area of the pressure stabilizing orifice is less than a cross-sectional area of the conduit along an entire length of the conduit.

5. The pressure indicator of claim 1, further comprising a membrane configured to block a flow of air through the manometer to a surrounding atmosphere.

6. The pressure indicator of claim 1, wherein an entire length of the conduit does not exceed a combined length of the pressure indicator and the OPEP device, when the pressure indicator is connected to the OPEP device, as measured from a mouthpiece of the OPEP device to an opposite end of the OPEP device.

7. The pressure indicator of claim 1, wherein when the pressure indicator is connected to a mouthpiece of the OPEP device, a first portion of the conduit is angled outward from mouthpiece, and a second portion of the conduit extends parallel to the mouthpiece.

8. The pressure indicator of claim 7, wherein when the pressure indicator is connected to the mouthpiece of the OPEP device, the manometer is spaced from the OPEP device by a length less than a length of the first portion of the conduit.

9. The pressure indicator of claim 7, wherein when the pressure indicator is connected to the mouthpiece of the OPEP device, an entire length of the conduit does not exceed a combined length of the pressure indicator and the OPEP device, as measured from the mouthpiece to an opposite end of the OPEP device.

10. The pressure indicator of claim 1, wherein a cross-sectional area of the pressure stabilizing orifice is selectively adjustable to increase or decrease an amount of dampening.

11. A system comprising:

the pressure indicator of claim 1; and

an oscillating positive expiratory pressure device.

12. A method of providing visual feedback during administration of oscillating positive expiratory pressure (“

OPEP”

) therapy, the method comprising;

receiving a flow of air from an OPEP device into a pressure indicator connected to the OPEP device, a pressure of the air from the OPEP device oscillating at a frequency exceeding 10 Hz;

dampening oscillations in the pressure of the air from the OPEP device by passing the flow of air through a pressure stabilizing orifice positioned in the pressure indicator, the pressure stabilizing orifice having a cross-sectional area between 0.196 mm² and 1.767 mm²;

measuring the pressure of the air after the flow of air has passed through the pressure stabilizing orifice; and

,

providing an indication of the measured pressure.

13. The method of claim 12, wherein the pressure of the air from the OPEP device exceeds 5 cm H₂O.

14. The method of claim 12, wherein a manometer measures the pressure of the air after the flow of air has passed through the pressure stabilizing orifice and provides the indication.

15. The method of claim 12, wherein the indication comprises auditory feedback.

16. The method of claim 12, further comprising blocking the flow of air through the pressure indicator to a surrounding atmosphere.

17. The method of claim 12, further comprising transmitting the flow of air from the OPEP device through a conduit, wherein the pressure stabilizing orifice is positioned in the conduit, and wherein an entire length of the conduit does not exceed a combined length of the pressure indicator and the OPEP device, when the pressure indicator is connected to the OPEP device, as measured from a mouthpiece to an opposite end of the OPEP device.

18. The method of claim 17, wherein a first portion of the conduit is angled outward from the OPEP device, and a second portion of the conduit is parallel to the OPEP device.

19. The method of claim 18, wherein the second portion of the conduit is spaced from the OPEP device by a length less than a length of the first portion of the conduit.

20. The method of claim 12, further comprising adjusting an amount of dampening by increasing or decreasing a size of the pressure stabilizing orifice.

21. A pressure indicator for an oscillating positive expiratory pressure (“

OPEP”

) device, the pressure indicator comprising;

a manometer;

a conduit configured to transmit a pressure from a mouthpiece of the OPEP device to the manometer, the conduit having a first portion angled outward from the mouthpiece and a second portion extending parallel to the mouthpiece; and

,

a pressure stabilizing orifice positioned within the conduit, the pressure stabilizing orifice being configured to dampen oscillations in the pressure transmitted from the OPEP device to the manometer;

wherein an entire length of the conduit does not exceed a combined length of the pressure indicator and the OPEP device, when the pressure indicator is connected to the OPEP device, as measured from the mouthpiece to an opposite end of the OPEP device.

22. A system comprising:

the pressure indicator of claim 21; and

an oscillating positive expiratory pressure device.