Source: https://patents.google.com/patent/US8596269B2/en
Timestamp: 2019-05-19 08:02:03
Document Index: 143043807

Matched Legal Cases: ['§371', 'Application No. 0308187', 'Application No. 60', 'arts 2131', 'art 22', 'art 21', 'Application No. 2011']

US8596269B2 - Breathing assistance device - Google Patents
US8596269B2
US8596269B2 US12/986,441 US98644111A US8596269B2 US 8596269 B2 US8596269 B2 US 8596269B2 US 98644111 A US98644111 A US 98644111A US 8596269 B2 US8596269 B2 US 8596269B2
US12/986,441
US20120012109A1 (en
2003-07-04 Priority to FR0308187 priority Critical
2003-07-04 Priority to FR0308187A priority patent/FR2856930B1/en
2004-07-05 Priority to PCT/IB2004/002440 priority patent/WO2005002655A1/en
2004-07-05 Priority to US10/563,493 priority patent/US7874290B2/en
2011-01-07 Priority to US12/986,441 priority patent/US8596269B2/en
2011-01-07 Application filed by RESMED PARIS Sas filed Critical RESMED PARIS Sas
2012-01-19 Publication of US20120012109A1 publication Critical patent/US20120012109A1/en
2013-12-03 Publication of US8596269B2 publication Critical patent/US8596269B2/en
The present invention proposes a breathing assistance device for a patient, comprising:
This application is a continuation of U.S. application Ser. No. 10/563,493, filed on Jan. 4, 2006, which is a national phase entry under 35 U.S.C. §371 of International Application No. PCT/IB2004/002440, filed Jul. 5, 2004, which claims priority from French Application No. 0308187, filed on Jul. 4, 2003, and of U.S. Provisional Patent Application No. 60/495,922, filed on Aug. 18, 2003, all of which are incorporated herein by reference.
a source of respiratory pressurized gas,
This fixed console 100 comprises among others a source of pressurized gas 105.
The respiratory gas is conveyed from the source 195 to the patient via a conduit 110, whereof a first end is connected to said source.
More generally still, a <<breathing connection>> designates in this text the interface between the device and the patient.
Such a <<breathing connection>> can correspond to a breathing mask, as illustrated in the illustration in FIG. 1.
It is specified that it is also envisageable to utilize a device of this type in so-called <<intrusive>> mode, where the patient is then intubated with this second end.
In this latter case, the <<breathing connection>> corresponds simply to the end of the conduit with which the patient is intubated.
First of all, the general configuration of such devices generally leads to fairly significant space requirements (due to the presence of the fixed console, the conduit connecting the console and the patient, possibly other conduits such as an expiration conduit).
Furthermore, in such a general configuration, even if a certain proportion of the CO2 expirated by the patient can escape via the vents of the mask, the remaining proportion of CO2 is <<trapped>> in the conduit, where it is forced back during expiration.
A <<plug>> of CO2 is thus formed in the conduit. And pollutants such as for example germs expirated by the patient can be found in this <<plug>>.
And in certain applications (especially in the case of a device functioning in BPAP or CPAP mode), the known devices generally utilized take on the configuration illustrated FIG. 1, which comprises a mask with vents.
The devices of BPAP type (acronym of the English term Bilevel Positive Airway Pressure, this acronym being a registered trademark—and this type also able to be designated in French by the acronym VNDP for Ventilation Nasale a Deux niveaux de Pression [Nasal Ventilation at two Pressure Levels]) has the same general architecture, but functions with two control pressures (a value of inspiration pressure and a value of expiration pressure).
Other aspects, aims and advantages will emerge better from reading the following description of the invention, made in reference to the attached diagrams.
FIG. 1 has already been made in reference to the prior art;
FIG. 2 is a diagrammatic illustration of a module put to use in a device according to the present invention;
FIG. 3 a is a diagrammatic illustration of a ventilator which can be used in a module according to the present invention, this ventilator being illustrated according to a longitudinal section;
FIG. 3 b is a diagrammatic illustration of another ventilator which can be used in a module according to the present invention, this ventilator being illustrated according to a longitudinal section;
FIGS. 4 a and 4 b are a diagrammatic illustration of two variants of utilizing the invention; and
FIG. 5 is a diagrammatic illustration of a console which can be utilized in another variant of the invention.
Arranging the two parts 2131 and 2132 is done such as to minimize the space requirement of the ventilator, and especially so as to conserve a reduced diameter for this ventilator.
The module 22 also comprises means for amplifying and digitizing signals originating from the sensors of the part 22 (or of the part 21 if the sensors are located into this part), and a means of exchanging these signals with an offline console of the device.
This mask 420 corresponds to the <<breathing connection>> which has been mentioned in the introduction to this text, and which allows the patient to breathe the gas coming from a source of pressurized gas.
Nevertheless it is specified that all the variant embodiments of the invention which are put forward in this text can be realized with a breathing connection which does not correspond to a mask, but to an end of a conduit or a portion of conduit allowing the patient to be intubated.
It will be noted all the same that in the case of the device in FIG. 4 a, no ventilator or source of pressurized gas is connected to the console.
To this end, the signals have previously been amplified and digitised in the module, by the means mentioned hereinabove.
Operation of the device can thus be tracked by the central unit in <<truly>> real time, with a response time which is extremely low relative to the status changes of the device.
Such means can for example comprise a radio frequency transmitter and receiver. This can for example be a link of BlueTooth type (registered trade mark).
The other characteristics of the device of FIG. 4 b are similar to those of the device of FIG. 4 a.
FIG. 5 illustrates another mode of realization of the invention, which corresponds to an alternative embodiment.
And in this case also, the ventilator is an axial ventilator, of the type illustrated in FIG. 3 a.
It is also specified that using an axial ventilator as a source of pressurized gas can help boost the safety of the device.
In effect, in the case of a power cut depriving the source of pressurized gas of electrical power, it will be much easier for the patient to continue to breathe <<through>> an axial ventilator than <<through>> any other type of source of pressurized gas.
Another advantage still of a source of pressurized gas in the form of an axial ventilator is that the noise associated with operating such a source is diminished. The comfort of use of the device is increased—especially within the scope of treating sleep apnoea.
1. A breathing assistance apparatus for a patient, comprising:
(a) a first module including:
a source of respiratory pressurized gas, the gas source comprising a ventilator having an inlet rotor and a motor;
a breathing connection for allowing the patient to directly receive the pressurized gas;
a battery with energy for powering operations of said first module;
(b) a second module including a central control unit for controlling operation of the first module to generate airway pressure ventilation based on information from said at least one sensor, the second module including an energy source; and
(c) a wireless link between the first module and the second module, the link enabling the energy required for operating the components of the first module to be conveyed from the second module to the first module.
12. A method for providing breathing assistance for a patient, comprising:
(a) providing pressurized breathable gas to a patient with a first module, the first module including:
(b) controlling the first module with a second module, the second module including a central control unit for controlling operation of the first module to generate airway pressure ventilation based on information from said at least one sensor; and
(c) energizing the first module with the second module by a wireless link between the first module and the second module, the link enabling the energy required for operating the components of the first module to be conveyed from the second module to the first module, the second module including an energy source.
US12/986,441 2003-07-04 2011-01-07 Breathing assistance device Active 2025-05-12 US8596269B2 (en)
FR0308187 2003-07-04
FR0308187A FR2856930B1 (en) 2003-07-04 2003-07-04 A device for assisting breathing has turbine and modular sensor.
US10563493 Continuation
PCT/IB2004/002440 Continuation WO2005002655A1 (en) 2003-07-04 2004-07-05 Breathing assistance device
US11/563,493 Continuation US20080126898A1 (en) 2006-11-27 2006-11-27 System and method for generating on-chip individual clock domain based scan enable signal used for launch of last shift type of at-speed scan testing
US20120012109A1 US20120012109A1 (en) 2012-01-19
US8596269B2 true US8596269B2 (en) 2013-12-03
US10/563,493 Active 2026-12-23 US7874290B2 (en) 2003-07-04 2004-07-05 Breathing assistance device
US12/986,441 Active 2025-05-12 US8596269B2 (en) 2003-07-04 2011-01-07 Breathing assistance device
JPH02102105A (en) 1988-10-11 1990-04-13 Akai Electric Co Ltd Oxygen-feeding apparatus
JP2003000737A (en) 2001-06-21 2003-01-07 Koken Ltd Respiratory system
US20030066527A1 (en) 2001-10-09 2003-04-10 Chen Yen Ling Face mask having device for drawing air into the mask
FR2837108A1 (en) 2002-03-12 2003-09-19 Draeger Medical Ag Respiration support device for patients, has control unit setting respiration pressure on basis of rotation speed of compressor that is arranged directly in upstream of breathing mask or breathing tube
Japanese Office Action for Application No. 2011-028776 dated Jul. 2, 2013.