ClassID:

23665

A61M2202/025 - CPC Classification

Classification description:

Special media to be introduced, removed or treated; Gases Helium

Recent Application in this class:
#1
20260061151
2026-03-05

VALVE MODULE AND FILTER

#2
20260034316
2026-02-05

VAPORIZER IMPROVEMENTS

#3
20250325761
2025-10-23

DRUG DELIVERY DEVICES AND METHODS FOR ADMINISTERING SUBSTANCES TO A BODY CAVITY BY HETEROGENOUS AEROSOLIZATION

#4
20250325760
2025-10-23

DRUG DELIVERY DEVICES AND METHODS FOR ADMINISTERING SUBSTANCES TO A BODY CAVITY BY HETEROGENOUS AEROSOLIZATION

#5
20250213606
2025-07-03

MEDICINAL AGENT (EMBODIMENTS) AND DEVICE FOR USING SAME

#6
20250152880
2025-05-15

SYSTEM AND METHOD FOR CONTROLLING AND MONITORING FLOW IN AN ENDOTRACHEAL TUBE

#7
20250144354
2025-05-08

POSITIVE PRESSURE BREATHING CIRCUIT

#8
20250135135
2025-05-01

POSITIVE PRESSURE BREATHING CIRCUIT

#9
20250099703
2025-03-27

APPARATUS FOR CONTROLLING GAS DELIVERY TO A PATIENT

#10
20250018142
2025-01-16

METHODS AND APPARATUS FOR PREVENTING RAINOUT

#11
20240424324
2024-12-26

QUANTUM PRODUCTION AND SUPPLY OF ONE OR MORE BREATHING OR OTHER SUBSTANCES TO AN ORGANISM

#12
20240390634
2024-11-28

Methods of Reducing the Risk of Mortality Associated With a Medical Treatment

#13
20240379221
2024-11-14

HUMIDIFICATION DEVICE COMMUNICATIONS

#14
20240335627
2024-10-10

SYSTEMS FOR INHALATION OF THERAPEUTIC AND DIAGNOSTIC GAS AND METHODS OF USE THEREOF

#15
20240264144
2024-08-08

SYSTEMS AND METHODS FOR EX VIVO ORGAN CARE

#16
20240181241
2024-06-06

DIFFUSION AND INFUSION RESISTANT IMPLANTABLE DEVICES FOR REDUCING PULSATILE PRESSURE

#17
20240181189
2024-06-06

SYSTEM AND METHOD FOR CONTROLLING AND MONITORING FLOW IN AN ENDOTRACHEAL TUBE

#18
20240082531
2024-03-14

Hyperthermic humidification system

#19
20230051940
2023-02-16

Systems for inhalation of therapeutic and diagnostic gas and methods of use thereof

#20
20220339373
2022-10-27

PLASMA ENHANCED AEROSOL DEVICE

#21
20220313940
2022-10-06

SENSING ARRANGEMENTS FOR MEDICAL DEVICES

#22
20220296824
2022-09-22

VAPORIZER IMPROVEMENTS

#23
20220168533
2022-06-02

Methods and apparatus for preventing rainout

#24
20220118215
2022-04-21

CLOSED-CIRCUIT MIXED GAS DELIVERY SYSTEMS AND METHODS

#25
20220062576
2022-03-03

GAS INHALATION DEVICE WITH CONSTANT CONCENTRATION OF GAS ENTERING RESPIRATORY TRACT AND WITHOUT RESPIRATORY RESISTANCE

#26
20220054790
2022-02-24

Hyperthermic humidification system

#27
20220040436
2022-02-10

VALVE MODULE AND FILTER

#28
20220023614
2022-01-27

Diffusion and infusion resistant implantable devices for reducing pulsatile pressure

#29
20210346615
2021-11-11

DEVICES AND METHODS FOR DELIVERING A SUBSTANCE TO A BODY CAVITY UTILIZING BLOW-FILL-SEAL TECHNOLOGY

#30
20210316153
2021-10-14

System for treatment of respiratory infections and cancers of the respiratory system using cold atmospheric plasma

#31
20210316106
2021-10-14

Method for treatment of respiratory infections and cancers of the respiratory system using cold atmospheric plasma

#32
20210316088
2021-10-14

DEVICES AND METHODS FOR DELIVERING A SUBSTANCE TO A BODY CAVITY

#33
20210236762
2021-08-05

Treatment of infections and associated pathophysiological conditions

#34
20210085907
2021-03-25

Delivery of gases to the nasal airway

#35
20210069453
2021-03-11

Hyperthermic humidification system

#36
20210069452
2021-03-11

Hyperthermic humidification system

#37
20210069396
2021-03-11

Diffusion and infusion resistant implantable devices for reducing pulsatile pressure

#38
20210052830
2021-02-25

USE OF ANTISTATIC MATERIALS IN THE AIRWAY FOR THERMAL AEROSOL CONDENSATION PROCESS

#39
20210038843
2021-02-11

System and method for controlling and monitoring flow in an endotracheal tube

#40
20210015985
2021-01-21

Hollow fiber membrane-type artificial lung

#41
20210008322
2021-01-14

METHOD FOR INHALATION EFFECT ON THE BODY, AND APPARATUS FOR IMPLEMENTING SAME

#42
20200384234
2020-12-10

Hyperthermic humidification system

#43
20200368459
2020-11-26

Dual metered inhaler

#44
20200360646
2020-11-19

Metal-organic framework materials in gases delivery systems

#45
20200289768
2020-09-17

DRUG DELIVERY DEVICES AND METHODS FOR ADMINISTERING SUBSTANCES TO A BODY CAVITY BY HETEROGENOUS AEROSOLIZATION

#46
20200061329
2020-02-27

Sensing arrangements for medical devices

#47
20190365483
2019-12-05

Electrosurgical gas control module

#48
20190255276
2019-08-22

Valve module and filter

#49
20190254154
2019-08-15

Cold Plasma Treatment Devices and Associated Methods

#50
20190174833
2019-06-13

Vaporizer improvements

#51
20190150831
2019-05-23

System for determining airway patency

#52
20190134328
2019-05-09

Methods and systems for leak estimation

#53
20190117909
2019-04-25

Use of antistatic materials in the airway for thermal aerosol condensation process

#54
20190091425
2019-03-28

Systems for inhalation of therapeutic and diagnostic gas and methods of use thereof

#55
20190083721
2019-03-21

High-flow luer lock connector for a luer lock connection

#56
20190070384
2019-03-07

Hyperthermic humidification system

#57
20190015621
2019-01-17

Delivery of gases to the nasal airway

#58
20180361100
2018-12-20

Methods and apparatus for preventing rainout

#59
20180344958
2018-12-06

Anesthesia assessment system and method for lung protective ventilation

#60
20180333288
2018-11-22

Pressure-Distributing Wound Prevention and Treatment Device

#61
20180325459
2018-11-15

Detection of expiratory airflow limitation in ventilated patient

#62
20180272098
2018-09-27

Medical vaporizer with carrier gas characterization, measurement, and/or compensation

#63
20180272096
2018-09-27

Universal medical gas delivery system

#64
20180264032
2018-09-20

COMBINATION OF NITRIC OXIDE, HELIUM AND ANTIBIOTIC TO TREAT BACTERIAL LUNG INFECTIONS

#65
20180185608
2018-07-05

Portable devices for administration of therapeutic gas mixtures and methods of use

#66
20180185605
2018-07-05

Methods of reducing the risk of mortality associated with a medical treatment

#67
20180177969
2018-06-28

TREATMENT GAS SUPPLYING APPARATUS

#68
20180125398
2018-05-10

System and Method for Monitoring Pleural Fluid

#69
20180071469
2018-03-15

Apparatus for controlling gas delivery to a patient

#70
20170350737
2017-12-07

Flow sensor

#71
20170312460
2017-11-02

Administering the noble gas argon during cardiopulmonary resuscitation

#72
20170304566
2017-10-26

Methods of treating RSV infections

#73
20170304565
2017-10-26

Inhalation device for use in aerosol therapy of respiratory diseases

#74
20170291006
2017-10-12

METHOD FOR DETERMINING GASES PROPORTIONS IN AN INHALABLE MEDICAL GASEOUS COMPOSITION AND INHALATION TEMPERATURE OF SUCH INHALABLE MEDICAL GASEOUS COMPOSITION

#75
20170266037
2017-09-21

Respiratory system for inducing therapeutic hypothermia

#76
20170246409
2017-08-31

Methods and systems for leak estimation

#77
20170203073
2017-07-20

Metal-organic framework materials in gases delivery systems

#78
20170128721
2017-05-11

Oral appliance for administration of electrical stimulation and method for the use thereof

#79
20170128692
2017-05-11

System for providing flow-targeted ventilation synchronized to a patient's breathing cycle

#80
20160361508
2016-12-15

Rescue inhaler

#81
20160354614
2016-12-08

Cold plasma treatment devices and associated methods

#82
20160213879
2016-07-28

Home-based heliox system with carbon dioxide removal

#83
20160206301
2016-07-21

Bronchial sealant delivery methods and systems

#84
20160175545
2016-06-23

Aerosolization device

#85
20160136380
2016-05-19

Nebulizer mouthpiece for reducing drug loss

#86
20160121070
2016-05-05

System and method of controlling the delivery of medical gases to a patient

#87
20160106993
2016-04-21

Harmonic cold plasma devices and associated methods

#88
20160045682
2016-02-18

Methods, systems, and devices related to delivery of alcohol with an inhaler

#89
20150351955
2015-12-10

Respiratory system for inducing therapeutic hypothermia

#90
20150297306
2015-10-22

MANAGING A DETACHABLE COMPONENT OF A MEDICAL DEVICE

#91
20150258287
2015-09-17

Device to deliver a predetermined amount of a substance to a natural orifice of the body

#92
20150224277
2015-08-13

GAS IDENTIFICATION SYSTEM AND VOLUMETRICALLY CORRECTED GAS DELIVERY SYSTEM

#93
20150221476
2015-08-06

Cold plasma treatment devices and associated methods

#94
20150209546
2015-07-30

Anesthesia Machine

#95
20150196728
2015-07-16

Handheld therapeutic gas delivery

#96
20150144136
2015-05-28

Hyperthermic humidification system

#97
20150136129
2015-05-21

PORTABLE HANDHELD BLENDING GAS ENRICHED PRESSURE SUPPORT SYSTEM AND METHOD

#98
20150127079
2015-05-07

Cold plasma treatment devices and associated methods

#99
20150107584
2015-04-23

Methods and systems for leak estimation

#100
20150090259
2015-04-02

DELIVERY OF GASES TO THE NASAL AIRWAY

#101
20150083126
2015-03-26

Breathing Circuit Humidification System

#102
20150080687
2015-03-19

Non-invasive methods for determining cardiac output

#103
20150059743
2015-03-05

VENTILATOR

#104
20150045687
2015-02-12

Detection of expiratory airflow limitation in ventilated patient

#105
20150031968
2015-01-29

System and method for monitoring pleural fluid

#106
20150000655
2015-01-01

Flow sensor

#107
20140366874
2014-12-18

System and method for controlling and monitoring flow in an endotracheal tube

#108
20140290651
2014-10-02

CRUDE NEON WITH NITROGEN AND OXYGEN AS A HYPERBARIC INTERVENTION BREATHING MIXTURE

#109
20140238398
2014-08-28

System for providing flow-targeted ventilation synchronized to a patients breathing cycle

#110
20140216252
2014-08-07

Arrangement for removing carbon dioxide from an extracorporeal flow of blood by means of inert gases

#111
20140194792
2014-07-10

Swallowing air pulse therapy mouthpiece and method for the use thereof

#112
20140166011
2014-06-19

Nebulizer mouthpiece for reducing drug loss

#113
20140150792
2014-06-05

System for providing flow-targeted ventilation synchronized to a patients breathing cycle

#114
20140090644
2014-04-03

Handheld therapeutic gas delivery

#115
20140066840
2014-03-06

High-flow luer lock connector for a luer lock connection

#116
20140060534
2014-03-06

Respiratory system for inducing therapeutic hypothermia

#117
20140041652
2014-02-13

Nano-aerosol generation system and methods

#118
20140034056
2014-02-06

Ventilation system with a two-point perspective view

#119
20140020680
2014-01-23

Aerosolization device

#120
20130283197
2013-10-24

Display of respiratory data graphs on a ventilator graphical user interface

#121
20130276789
2013-10-24

Ventilator with integrated blower to provide negative or positive pressure in a ventilator system

#122
20130220324
2013-08-29

SYSTEMS AND METHODS FOR PROVIDING OSCILLATORY PRESSURE CONTROL VENTILATION

#123
20130220314
2013-08-29

MEDICAL VAPORIZER WITH POROUS VAPORIZATION ELEMENT

#124
20130199524
2013-08-08

Humidifier bypass valve

#125
20130186397
2013-07-25

Ventilator respiratory variable-sized gas accumulator

#126
20130160766
2013-06-27

Methods and apparatus for preventing rainout

#127
20130072861
2013-03-21

Cold plasma treatment devices and associated methods

#128
20130072860
2013-03-21

Cold plasma treatment devices and associated methods

#129
20130072859
2013-03-21

Cold plasma treatment devices and associated methods

#130
20130072858
2013-03-21

Cold plasma treatment devices and associated methods

#131
20130071286
2013-03-21

Cold Plasma Sterilization Devices and Associated Methods

#132
20130069530
2013-03-21

Harmonic cold plasma devices and associated methods

#133
20130068732
2013-03-21

Harmonic cold plasma devices and associated methods

#134
20130068226
2013-03-21

Cold plasma treatment devices and associated methods

#135
20120315614
2012-12-13

METHOD FOR ENHANCING TRAINING EFFECTIVENESS

#136
20120291781
2012-11-22

Dry powder delivery device

#137
20120277584
2012-11-01

Two-phase surgical procedure for creating a pneumostoma to treat chronic obstructive pulmonary disease

#138
20120272957
2012-11-01

System and method of controlling the delivery of medical gases to a patient

#139
20120260718
2012-10-18

Microfluidic device and method of use

#140
20120234321
2012-09-20

AEROSOLISATION SYSTEM

#141
20120192863
2012-08-02

HUMIDIFICATION IN BREATHING CIRCUITS

#142
20120192862
2012-08-02

PATIENT-CONTROLLED AEROSOL ADMINISTRATION

#143
20120189711
2012-07-26

Modular extracorporeal systems and methods for treating blood-borne diseases

#144
20120174926
2012-07-12

System and method of preventing the delivery of hypoxic gases to a patient

#145
20120167885
2012-07-05

Systems And Methods For Ventilation To Obtain A Predetermined Patient Effort

#146
20120165654
2012-06-28

MEANS AND METHOD FOR PERFORMING HYPERPOLARIZING GAS IMAGING

#147
20120160239
2012-06-28

Breathing Apparatus

#148
20120152241
2012-06-21

Breathing Apparatus

#149
20120138053
2012-06-07

Gas dispenser for dispensing accurate doses of therapeutic gas from a reservoir containing highly compressed therapeutic gas

#150
20120118285
2012-05-17

Methods, systems and devices using LOX to provide ventilatory support

#151
20120097879
2012-04-26

COMPRESSED GAS CYLINDER WITH AN INTEGRAL VALVE

#152
20120080031
2012-04-05

Respiratory system for inducing therapeutic hypothermia

#153
20120030611
2012-02-02

Display of respiratory data graphs on a ventilator graphical user interface

#154
20110306935
2011-12-15

Self-sealing device and method for delivery of a therapeutic agent through a pneumostoma

#155
20110277765
2011-11-17

System for providing flow-targeted ventilation synchronized to a patient's breathing cycle

#156
20110265024
2011-10-27

Ventilation system with a two-point perspective view

#157
20110264606
2011-10-27

Method and system for supplying portable gas cylinders

#158
20110259333
2011-10-27

Ventilation system with system status display for maintenance and service information

#159
20110259327
2011-10-27

Methods and devices for sensing respiration and controlling ventilator functions

#160
20110209702
2011-09-01

Proportional Solenoid Valve For Low Molecular Weight Gas Mixtures

#161
20110178458
2011-07-21

INSUFFLATION OF BODY CAVITIES

#162
20110154241
2011-06-23

Visual indication of alarms on a ventilator graphical user interface

#163
20110138311
2011-06-09

Display Of Respiratory Data On A Ventilator Graphical User Interface

#164
20110136096
2011-06-09

Systems and methods for ex vivo organ care

#165
20110132367
2011-06-09

Ventilator Respiratory Variable-Sized Gas Accumulator

#166
20110132366
2011-06-09

Ventilator respiratory gas accumulator with purge valve

#167
20110132365
2011-06-09

Ventilator respiratory gas accumulator with sampling chamber

#168
20110132364
2011-06-09

Ventilator respiratory gas accumulator with dip tube

#169
20110118669
2011-05-19

Enhanced pneumostoma management device and methods for treatment of chronic obstructive pulmonary disease

#170
20110108025
2011-05-12

Aerosolization device

#171
20110079222
2011-04-07

Broad-band, low frequency, high-amplitude, long time duration, oscillating airway pressure breathing apparatus and method utilizing bubbles

#172
20110073112
2011-03-31

Broad-band, low frequency, high-amplitude, long time duration, oscillating airway pressure breathing apparatus and method utilizing bubbles

#173
20110041847
2011-02-24

Patient ventilation system with a gas identification unit

#174
20100318021
2010-12-16

High-flow luer lock connector for a luer lock connection

#175
20100288283
2010-11-18

DYNAMIC ADJUSTMENT OF TUBE COMPENSATION FACTOR BASED ON INTERNAL CHANGES IN BREATHING TUBE

#176
20100288279
2010-11-18

Patient control of ventilation properties

#177
20100269821
2010-10-28

Patient ventilation system with a gas identification unit

#178
20100242959
2010-09-30

Delivery of gases to the nasal airway

#179
20100206305
2010-08-19

Nebulizer

#180
20100163043
2010-07-01

SELF-CONTAINED ORAL VENTILATION DEVICE

#181
20100016908
2010-01-21

Swallowing air pulse therapy mouthpiece and method for the use thereof

#182
20090270794
2009-10-29

Mixed-gas insufflation system

#183
20090241953
2009-10-01

VENTILATOR WITH PISTON-CYLINDER AND BUFFER VOLUME

#184
20090241948
2009-10-01

HUMIDIFICATION IN BREATHING CIRCUITS

#185
20090240192
2009-09-24

INSUFFLATION OF BODY CAVITIES

#186
20090235925
2009-09-24

AEROSOLISATION SYSTEM

#187
20090209971
2009-08-20

Surgical instruments for creating a pneumostoma and treating chronic obstructive pulmonary disease

#188
20090209970
2009-08-20

Single-phase surgical procedure for creating a pneumostoma to treat chronic obstructive pulmonary disease

#189
20090209936
2009-08-20

Aspirator and method for pneumostoma management

#190
20090209924
2009-08-20

Enhanced pneumostoma management device and methods for treatment of chronic obstructive pulmonary disease

#191
20090209917
2009-08-20

Aspirator for pneumostoma management

#192
20090209909
2009-08-20

PERCUTANEOUS SINGLE-PHASE SURGICAL PROCEDURE FOR CREATING A PNEUMOSTOMA TO TREAT CHRONIC OBSTRUCTIVE PULMONARY DISEASE

#193
20090209906
2009-08-20

Self-sealing device and method for delivery of a therapeutic agent through a pneumostoma

#194
20090209856
2009-08-20

TWO-PHASE SURGICAL PROCEDURE FOR CREATING A PNEUMOSTOMA TO TREAT CHRONIC OBSTRUCTIVE PULMONARY DISEASE

#195
20090205665
2009-08-20

METHODS AND DEVICES FOR FOLLOW-UP CARE AND TREATMENT OF A PNEUMOSTOMA

#196
20090205663
2009-08-20

CONFIGURING THE OPERATION OF AN ALTERNATING PRESSURE VENTILATION MODE

#197
20090205661
2009-08-20

SYSTEMS AND METHODS FOR EXTENDED VOLUME RANGE VENTILATION

#198
20090205658
2009-08-20

DEVICES AND METHODS FOR DELIVERY OF A THERAPEUTIC AGENT THROUGH A PNEUMOSTOMA

#199
20090205651
2009-08-20

One-piece pneumostoma management system and methods for treatment of chronic obstructive pulmonary disease

#200
20090205650
2009-08-20

Variable length pneumostoma management system for treatment of chronic obstructive pulmonary disease

#201
20090205649
2009-08-20

Multi-layer pneumostoma management system and methods for treatment of chronic obstructive pulmonary disease

#202
20090205648
2009-08-20

Pneumostoma management system with secretion management features for treatment of chronic obstructive pulmonary disease

#203
20090205647
2009-08-20

Pneumostoma management system having a cosmetic and/or protective cover

#204
20090205646
2009-08-20

Flexible pneumostoma management system and methods for treatment of chronic obstructive pulmonary disease

#205
20090205645
2009-08-20

PNEUMOSTOMA MANAGEMENT METHOD FOR THE TREATMENT OF CHRONIC OBSTRUCTIVE PULMONARY DISEASE

#206
20090205644
2009-08-20

Pneumostoma management system for treatment of chronic obstructive pulmonary disease

#207
20090205643
2009-08-20

ACCELERATED TWO-PHASE SURGICAL PROCEDURE FOR CREATING A PNEUMOSTOMA TO TREAT CHRONIC OBSTRUCTIVE PULMONARY DISEASE

#208
20090199852
2009-08-13

Continuous positive airway pressure device

#209
20090121592
2009-05-14

Mobile functional hospital unit for the temporary distribution of medical fluids

#210
20090107491
2009-04-30

Respiratory system for inducing therapeutic hypothermia

#211
20090101144
2009-04-23

PORTABLE GAS OPERATING INHALER

#212
20090090363
2009-04-09

Hyperthermic humidification system

#213
20090075129
2009-03-19

MICROFLUIDIC DEVICE AND METHOD OF USE

#214
20090071481
2009-03-19

Method and devices for administration of therapeutic gases

#215
20090071476
2009-03-19

Method and devices for administration of therapeutic gases

#216
20090071475
2009-03-19

Method and devices for administration of therapeutic gases

#217
20090071474
2009-03-19

Method and devices for administration of therapeutic gases

#218
20090065001
2009-03-12

Method and devices for administration of therapeutic gases

#219
20090044804
2009-02-19

Method and devices for administration of therapeutic gases

#220
20080295830
2008-12-04

Tool and method for customized inhalation

#221
20080262377
2008-10-23

Respiratory system for inducing therapeutic hypothermia

#222
20080243050
2008-10-02

Insufflation of Body Cavities

#223
20080236577
2008-10-02

Humidification in Breathing Circuits

#224
20080228130
2008-09-18

Methods and systems for occluding collateral flow channels in the lung

#225
20080178882
2008-07-31

System for providing flow-targeted ventilation synchronized to a patient's breathing cycle

#226
20080178880
2008-07-31

System for providing flow-targeted ventilation synchronized to a patient's breathing cycle

#227
20080105259
2008-05-08

Gas identification system and respiratory technologies volumetrically corrected gas delivery system

#228
20080095607
2008-04-24

Method and system for supplying portable gas cylinders

#229
20080078389
2008-04-03

HELIOX DELIVERY SYSTEM AND METHOD WITH POSITIVE PRESSURE SUPPORT

#230
20080078385
2008-04-03

SYSTEM AND METHOD FOR DELIVERY OF MEDICATION VIA INHALATION

#231
20080017194
2008-01-24

Systems and methods for ex vivo organ care

#232
20070181126
2007-08-09

Method and apparatus for ventilating a patient with a breathing gas mixture formed from nitric oxide, air, and oxygen

#233
20070135757
2007-06-14

Multiple lumen monitored drug delivery nasal cannula system

#234
20070068523
2007-03-29

Method for administration of therapeutic gases

#235
20070062529
2007-03-22

Apparatus and method for determining and displaying functional residual capacity data and related parameters of ventilated patients

#236
20070044799
2007-03-01

Modular oxygen regulator system and respiratory treatment system

#237
20060283450
2006-12-21

Respiratory device measurement system

#238
20060271015
2006-11-30

High-flow luer lock connector for a luer lock connection

#239
20060118118
2006-06-08

Drug delivery systems

#240
20050247313
2005-11-10

Nebulizer breathing system

#241
20050235985
2005-10-27

Nebulizer with auxiliary inlet port

#242
20050123483
2005-06-09

Portable gas operating inhaler

#243
20050121038
2005-06-09

Method and apparatus for pharyngeal augmentation of ventilation

#244
20050121025
2005-06-09

Portable gas operating inhaler

#245
20050045180
2005-03-03

Method for indicating the amount of ventilation inhomogeneity in the lung

#246
20050028816
2005-02-10

Methods for easing pain and anxiety from atrial or ventricular defibrillation

#247
20050010164
2005-01-13

Mixed-gas insufflation system

#248
19247536
2026-02-03

Thermomagnetic inhaler and method of use