US3889671A - Nasal adapter for administering analgesic gas - Google Patents
Nasal adapter for administering analgesic gas Download PDFInfo
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- US3889671A US3889671A US443715A US44371574A US3889671A US 3889671 A US3889671 A US 3889671A US 443715 A US443715 A US 443715A US 44371574 A US44371574 A US 44371574A US 3889671 A US3889671 A US 3889671A
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- Prior art keywords
- nosepiece
- expiration
- valve
- respiratory
- nasal adapter
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- Expired - Lifetime
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/06—Respiratory or anaesthetic masks
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/06—Respiratory or anaesthetic masks
- A61M16/0605—Means for improving the adaptation of the mask to the patient
- A61M16/0616—Means for improving the adaptation of the mask to the patient with face sealing means comprising a flap or membrane projecting inwards, such that sealing increases with increasing inhalation gas pressure
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/08—Bellows; Connecting tubes ; Water traps; Patient circuits
- A61M16/0866—Passive resistors therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/01—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes specially adapted for anaesthetising
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2210/00—Anatomical parts of the body
- A61M2210/06—Head
- A61M2210/0618—Nose
Definitions
- This invention relates generally to an improved device for administering anaesthesia and more particularly to an improved nasal adapter for use by dentists in administering analgesic gas.
- an improved nasal adapter for administering gas analgesia which comprises a nosepiece connectible with a source of gaseous analgesia, shaped and sized to conform to the patients nose with the nosepiece being provided with respiratory valves for associated air intake and expiration and with each valve provided with adjustable air regulatory controls.
- a sealing flange is also provided along with the entire rim of the nosepiece so that it may be placed in substantially air sealing abutment against the patients face while the nosepiece itself is large enough to comfortable accomodate the patients nose, thus allowing breathing room.
- a strap may be provided to hold the entire nosepiece to the head.
- FIG. 1 is a view in perspective of the invention nasal adapter as shown applied to a patients face (in phantom lines) and over the patients nose.
- FIG. 2 is a sectional view taken along line 2-2 of FIG, 1 in the direction of the arrows with the regulatory valves shown in exploded fashion.
- FIG. 3 is a sectional view taken along line 33 of FIG. 2 is the direction of the arrows.
- FIG. 4 is a view similar to FIG. 1 except it is shown from the other side of the face and in a plane slightly below that of FIG. 1.
- a laterally extending connecting tube 20 which is connectible to a gas analgesia source 22 (only partially shown).
- a semi-circular (or U-shaped) air-intake valve 24 In a similar location, on the left side of the nosepiece, there is provided, and integral therewith, a semi-circular (or U-shaped) air-intake valve 24, whose function will be presently described hereinbelow. It is to be understood that the position of the connecting tube 20 and intake valve 24 may be reversed, since this is not critical to the invention.
- a U- shaped (or semi-circular) expiration valve 26 whose function will also be described subsequently.
- Valve controls 28 and 30 are provided for the air intake valve 24 and expiration valve 26, respectively.
- the air intake valve control 28 is a generally circular shaped disc 32 provided with a semicircular shaped cut-out portion 34.
- a boss 36 is provided on the nosepiece, to the rear of valve 24, which forcibly registers with central circular opening 38 in disc 32 to hold it rotatingly in place.
- the expiration valve control 30 is an elongated body 40 having a circular opening 42 in its upper portion which will allow it to be forcibly registered with a boss 44 located at the tip of the nosepiece to enable it to be held rotatingly in place also.
- a sealing flange 50 is provided integral with the entire rim 52 of the nosepiece.
- a strap 54 (shown by phantom lines) may be employed to be secured around the head. The strap may be held in place by means of oppositely, vertically disposed projections 56 located just below the bridge of the nosepiece.
- the nasal adapter of the invention is constructed of a plastic material, and preferably a light transluscent plastic material, such that it may be sterilized and reused a number of times, but, that, however, when normal wear and tear requires that it be disposed of, this may be done so relatively inexpensively. Moreover, a large number in various sizes can be kept on hand at one time causing no interruptions for sterilization procedures. Contrast this to the prior art adapters, which are more expensive and only a few are kept on hand at one time.
- the nasal adapter is placed over the nose of the patient (as shown in FIG. 1) with the sealing flange 50 in substantially air tight abutment with the face.
- the head strap when secured assures this.
- Connecting tube 20 is hooked up to a suitable source of gas analgesia (not shown).
- the gas analgesia is generally a mixture of nitrous oxide and oxygen well known to those skilled in the art.
- the administrator may adjust the degree to which the patient is rendered pain free. This is accomplished by means ofthe intake valve control 28. in other words, by rotating the valve control (FIG. 4) around the pivotal point (i.e. boss 36) the fresh air coming in can be anywhere from minimal to maximal. Similarly by rotating the expiration valve control 30, the amount of air and gas analgesia residue mixture expired can be var ied, again, from minimal to maximal. It can be seen that the regulatory valve controls allow the administrator to control the analgesic function to a high degree. Further, because of its transluscent plastic construction, the nosepiece of the invention can be more effectively checked for sanitation and the patients breathing is more readily observable. When the particular opera tion is ended, the adapter can be sterilized and used over and over again. It is submitted, therefore, that there has now been provided a semi-disposable nasal adapter of improved construction for gas analgesia.
- An improved nasal adapter for administering gas analgesia which comprises a nosepiece for covering the nose and means for connecting the nosepiece with a source of gaseous analgesia, said nosepiece being provided with respiratory check valves for associated air intake and expiration with each respective check valve being in turn provided with adjustable regulatory controls for air intake and expiration and sealing means being provided for said nosepiece, so that when said adapter is placed over the nose there will be allowed into said adapter the introduction of a mixture of gaseous analgesia and air and the expiration of the residue of said mixture from said adapter.
- said nosepiece has opposing lateral sides, an underside, a closed side and an open side, the air intake respiratory check valve being located in one of said lateral sides, said source of gaseous analgesia being introduced through the other said lateral side, and the expiration respiratory check valve being located in said underside and includes means for directing the expiration of the residue of gaseous analgesia and air downwardly and towards the open side of said nosepiece.
- a nasal adapter according to claim 3 wherein said air intake respiratory valve and expiration respiratory valve are each U-shaped.
- a nasal adapter according to claim 2 wherein the air regulatory intake valve control further comprises a generally circular shaped disc provided with semicircular shaped opening means said disc being rotatable over said air intake respiratory valve and wherein the regulatory expiration valve control further comprises an elon gated body rotatable over said expiration respiratory valve.
- a nasal adapter according to claim 1 wherein said sealing means for said nosepiece further comprise a flange integral with the entire rim of said nosepiece.
Abstract
An improved nasal adapter for administering analgesic gas having integral respiratory valves and adjustable regulators therefor and a substantially air tight sealing flange and which is constructed of relatively inexpensive plastic material, such that a large number can be kept on hand for use,, and such that it can be disposed of economically after a series of alternating sterilizations and applications.
Description
United States Patent Baker June 17, 1975 NASAL ADAPTER FOR ADMINISTERING 958,569 5/1910 Venner l28/l40 N ANALGESIC GAS FOREIGN PATENTS OR APPLICATIONS [76] Inventor: Alfred Baker, l53 E. Central Ave, 20,5l9 lO/l9l4 United Kingdom 128/211 Pearl River, NY. 10965 1 Primary Examiner-Richard A. Gaudet [22] Filed Feb. 1974 Assistant Examiner-Henry .I. Recla [21] Appl. No: 443.715 Attorney, Agent, or Firm-Charles J. Speciale. Esq.
52 11.5. C1 128/206; 128/140 N [571 ABSTRACT [51} Int. Cl 1. A61m 17/00 An improved a al adapter for administering analgesic 153] Field f S h 128/2054] 1, gas having integral respiratory valves and adjustable 128/195 198, 140 R, 140 N 146.1465, regulators therefor and a substantially air tight sealing 147 141 R, 142 139 188, 145 R flange and which is constructed of relatively inexpensive plastic material, such that a large number can be [56] Reference Cit d kept on hand for use,, and such that it can be disposed UNITED STATES PATENTS of economically after a series of alternating steriliza- 302949 8/1884 Skene 128/195 and appl'camns' 747 742 12/l903 Marshall [28/210 10 Claims, 4 Drawing Figures PATENTEDJUN 17 1915 SHEEI 1 NASAL ADAPTER FOR ADMINISTERING ANALGESIC GAS BACKGROUND OF THE INVENTION 1. Field of the Invention:
This invention relates generally to an improved device for administering anaesthesia and more particularly to an improved nasal adapter for use by dentists in administering analgesic gas.
2. Description of the Prior Art:
The administration of gas analgesia during dental work of a potentially painful nature has become widely known. More and more dentists are relying on this type of anaesthestic since there are minimal after-effects to the patient, such as those suffered from a novacaine injection or the administration of a sleep-inducing anaesthetic.
There are, of course, a number of nose cones on the market for administering gas analgesia. These are usually of heavy surgical metal and plastic construction with rubber inner linings and with separate valves for each type of mask. Being of expensive construction, the practitioner usually has a limited stock on hand, generally only a small, medium and large nose cone. Thus, there must be constant interruption for sterilization between patients. Since they are sterilized after each patient use. the inner linings tend to become distorted after a time, and since they are of expensive construction, the administration of gas analgesia can become disadvantageous.
SUMMARY OF THE INVENTION It is, therefore, among one of the principal objectives of this invention to provide a semi-disposable nasal adapter of improved construction for administering analgesic gas.
In accord with the present invention, there has now been provided an improved nasal adapter for administering gas analgesia which comprises a nosepiece connectible with a source of gaseous analgesia, shaped and sized to conform to the patients nose with the nosepiece being provided with respiratory valves for associated air intake and expiration and with each valve provided with adjustable air regulatory controls. A sealing flange is also provided along with the entire rim of the nosepiece so that it may be placed in substantially air sealing abutment against the patients face while the nosepiece itself is large enough to comfortable accomodate the patients nose, thus allowing breathing room. A strap may be provided to hold the entire nosepiece to the head.
BRIEF DESCRIPTION OF THE DRAWINGS The invention will be hereinafter more fully described with reference to the accompanying drawing in which:
FIG. 1 is a view in perspective of the invention nasal adapter as shown applied to a patients face (in phantom lines) and over the patients nose.
FIG. 2 is a sectional view taken along line 2-2 of FIG, 1 in the direction of the arrows with the regulatory valves shown in exploded fashion.
FIG. 3 is a sectional view taken along line 33 of FIG. 2 is the direction of the arrows.
FIG. 4 is a view similar to FIG. 1 except it is shown from the other side of the face and in a plane slightly below that of FIG. 1.
DESCRIPTION OF THE PREFERRED EMBODIMENTS Referring now to the figures of the drawing, the nasal adapter 10 of the invention comprises a nosepiece l2 shaped and sized to conform to the patients nose (not visible). The nosepiece can be made up into a number of sizes to accomodate most patients. Thus, the nosepiece will have a right side 14, a left side 16 and an underside 18.
In a generally central location in the right side of the nosepiece is provided a laterally extending connecting tube 20 which is connectible to a gas analgesia source 22 (only partially shown). In a similar location, on the left side of the nosepiece, there is provided, and integral therewith, a semi-circular (or U-shaped) air-intake valve 24, whose function will be presently described hereinbelow. It is to be understood that the position of the connecting tube 20 and intake valve 24 may be reversed, since this is not critical to the invention. Along the underside 18 of the nosepiece, in a generally central location and integral therewith, is provided a U- shaped (or semi-circular) expiration valve 26, whose function will also be described subsequently.
Valve controls 28 and 30 are provided for the air intake valve 24 and expiration valve 26, respectively. The air intake valve control 28 is a generally circular shaped disc 32 provided with a semicircular shaped cut-out portion 34. A boss 36 is provided on the nosepiece, to the rear of valve 24, which forcibly registers with central circular opening 38 in disc 32 to hold it rotatingly in place. The expiration valve control 30 is an elongated body 40 having a circular opening 42 in its upper portion which will allow it to be forcibly registered with a boss 44 located at the tip of the nosepiece to enable it to be held rotatingly in place also.
A sealing flange 50 is provided integral with the entire rim 52 of the nosepiece. To hold the nasal adapter to the face of the patient a strap 54 (shown by phantom lines) may be employed to be secured around the head. The strap may be held in place by means of oppositely, vertically disposed projections 56 located just below the bridge of the nosepiece.
The nasal adapter of the invention is constructed of a plastic material, and preferably a light transluscent plastic material, such that it may be sterilized and reused a number of times, but, that, however, when normal wear and tear requires that it be disposed of, this may be done so relatively inexpensively. Moreover, a large number in various sizes can be kept on hand at one time causing no interruptions for sterilization procedures. Contrast this to the prior art adapters, which are more expensive and only a few are kept on hand at one time.
Describing now the operation of the present invention, the nasal adapter is placed over the nose of the patient (as shown in FIG. 1) with the sealing flange 50 in substantially air tight abutment with the face. The head strap, when secured assures this. Connecting tube 20 is hooked up to a suitable source of gas analgesia (not shown). The gas analgesia is generally a mixture of nitrous oxide and oxygen well known to those skilled in the art. By the action of the valves when the patient inhales, the air-intake valve 24 is opened and fresh air enters (FIG. 3), and when the patient exhales the expiration valve 26 is opened and expired air is emitted (FIG. 2). Thus, when gas analgesia is allowed to enter the nosepiece (FIG. 3), the patient will be breathing in a mixture of fresh air and analgesic through air intake valve 24 and gas source 22, respectively, and expiring the resultant residue through expiration valve 26. By virtue of the position of the latter, the expired residue is emitted downwardly (arrow FIG. 2) and towards the patients mouth. Thus, when he breathes through his mounth to breathe, he will inhale more analgesic. This is a critical feature of the invention. Moreover, the expired analgesic is directed away from the dentists face so that he can work without himself becoming anaes thetized.
By varying the amounts of air and gas analgesia mixture, the administrator may adjust the degree to which the patient is rendered pain free. This is accomplished by means ofthe intake valve control 28. in other words, by rotating the valve control (FIG. 4) around the pivotal point (i.e. boss 36) the fresh air coming in can be anywhere from minimal to maximal. Similarly by rotating the expiration valve control 30, the amount of air and gas analgesia residue mixture expired can be var ied, again, from minimal to maximal. It can be seen that the regulatory valve controls allow the administrator to control the analgesic function to a high degree. Further, because of its transluscent plastic construction, the nosepiece of the invention can be more effectively checked for sanitation and the patients breathing is more readily observable. When the particular opera tion is ended, the adapter can be sterilized and used over and over again. It is submitted, therefore, that there has now been provided a semi-disposable nasal adapter of improved construction for gas analgesia.
What is claimed is:
1. An improved nasal adapter for administering gas analgesia which comprises a nosepiece for covering the nose and means for connecting the nosepiece with a source of gaseous analgesia, said nosepiece being provided with respiratory check valves for associated air intake and expiration with each respective check valve being in turn provided with adjustable regulatory controls for air intake and expiration and sealing means being provided for said nosepiece, so that when said adapter is placed over the nose there will be allowed into said adapter the introduction of a mixture of gaseous analgesia and air and the expiration of the residue of said mixture from said adapter. in controlled amounts and wherein said nosepiece has opposing lateral sides, an underside, a closed side and an open side, the air intake respiratory check valve being located in one of said lateral sides, said source of gaseous analgesia being introduced through the other said lateral side, and the expiration respiratory check valve being located in said underside and includes means for directing the expiration of the residue of gaseous analgesia and air downwardly and towards the open side of said nosepiece.
2. A nasal adapter according to claim 1 wherein said air intake respiratory valve and expiration respiratory valve are each curve-shaped in opposite direction.
3. A nasal adapter according to claim 2 wherein said air intake respiratory valve and expiration respiratory valve are each semi-circular shaped.
4. A nasal adapter according to claim 3 wherein said air intake respiratory valve and expiration respiratory valve are each U-shaped.
5. A nasal adapter according to claim 2 wherein the air regulatory intake valve control further comprises a generally circular shaped disc provided with semicircular shaped opening means said disc being rotatable over said air intake respiratory valve and wherein the regulatory expiration valve control further comprises an elon gated body rotatable over said expiration respiratory valve.
6. A nasal adapter according to claim 1 wherein said sealing means for said nosepiece further comprise a flange integral with the entire rim of said nosepiece.
7. A nasal adapter according to claim 1 wherein said nosepiece is provided with strap retaining means for securing the adapter.
8. A nasal adapter according to claim 2 wherein the construction is a transluscent plastic material.
9. A nasal adapter according to claim 1 wherein said nosepiece is a unitary body.
10. A nasal adapter according to claim 2 wherein said expiration respiratory check valve opens in the direction of the wearer.
Claims (10)
1. An improved nasal adapter for administering gas analgesia which comprises a nosepiece for covering the nose and means for connecting the nosepiece with a source of gaseous analgesia, said nosepiece being provided with respiratory check valves for associated air intake and expiration with each respective check valve being in turn provided with adjustable regulatory controls for air intake and expiration and sealing means being provided for said nosepiece, so that when said adapter is placed over the nose there will be allowed into said adapter the introduction of a mixture of gaseous analgesia and air and the expiration of the residue of said mixture from said adapter, in controlled amounts and wherein said nosepiece has opposing lateral sides, an underside, a closed side and an open side, the air intake respiratory check valve being located in one of said lateral sides, said source of gaseous analgesia being introduced through the other said lateral side, and the expiration respiratory check valve being located in said underside and includes means for directing the expiration of the residue of gaseous analgesia and air downwardly and towards the open side of said nosepiece.
2. A nasal adapter according to claim 1 wherein said air intake respiratory valve and expiration respiratory valve are each curve-shaped in opposite direction.
3. A nasal adapter according to claim 2 wherein said air intake respiratory valve and expiration respiratory valve are each semi-circular shaped.
4. A nasal adapter according to claim 3 wherein said air intake respiratory valve and expiration respiratory valve are each U-shaped.
5. A nasal adapter according to claim 2 wherein the air regulatory intake valve control further comprises a generally circular shaped disc provided with semicircular shaped opening means said disc being rotatable over said air intake respiratory valve and wherein the regulatory expiration valve control further comprises an elongated body rotatable over said expiration respiratory valve.
6. A nasal adapter according to claim 1 wherein said sealing means for said nosepiece further comprise a flange integral with the entire rim of said nosepiece.
7. A nasal adapter according to claim 1 wherein said nosepiece is provided with strap retaining means for securing the adapter.
8. A nasal adapter according to claim 2 wherein the construction is a transluscent plastic material.
9. A nasal adapter according to claim 1 wherein said nosepiece is a unitary body.
10. A nasal adapter according to claim 2 wherein said expiration respiratory check valve opens in the direction of the wearer.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US443715A US3889671A (en) | 1974-02-19 | 1974-02-19 | Nasal adapter for administering analgesic gas |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US443715A US3889671A (en) | 1974-02-19 | 1974-02-19 | Nasal adapter for administering analgesic gas |
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US3889671A true US3889671A (en) | 1975-06-17 |
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US443715A Expired - Lifetime US3889671A (en) | 1974-02-19 | 1974-02-19 | Nasal adapter for administering analgesic gas |
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Cited By (38)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4071026A (en) * | 1976-02-05 | 1978-01-31 | Jesse Althen Bevins | Intra-oral filtering device |
US4216769A (en) * | 1978-09-29 | 1980-08-12 | Grimes Jerry L | Bi-flow nasal cup |
US4219020A (en) * | 1978-08-09 | 1980-08-26 | Fraser Sweatman, Inc. | Scavenger valve attachment for inhalation sedation system mask |
US4266540A (en) * | 1978-10-13 | 1981-05-12 | Donald Panzik | Nasal oxygen therapy mask |
US4655213A (en) * | 1983-10-06 | 1987-04-07 | New York University | Method and apparatus for the treatment of obstructive sleep apnea |
US4782832A (en) * | 1987-07-30 | 1988-11-08 | Puritan-Bennett Corporation | Nasal puff with adjustable sealing means |
US4944310A (en) * | 1981-04-24 | 1990-07-31 | Somed Pty. Ltd. | Device for treating snoring sickness |
US5065756A (en) * | 1987-12-22 | 1991-11-19 | New York University | Method and apparatus for the treatment of obstructive sleep apnea |
US5404873A (en) * | 1993-06-16 | 1995-04-11 | King System Corporation Division Of Barco Molding, Inc. | Anesthesia circuit |
US6435181B1 (en) * | 1999-08-30 | 2002-08-20 | Sunrise Medical Hhg Inc. | Respiratory mask with adjustable exhaust vent |
US20020170557A1 (en) * | 2001-05-08 | 2002-11-21 | Schmidt James N. | Mask with inhalation valve |
US6752150B1 (en) * | 1999-02-04 | 2004-06-22 | John E. Remmers | Ventilatory stabilization technology |
US20040216740A1 (en) * | 1999-02-04 | 2004-11-04 | Remmers John E. | Ventilatory stabilization technology |
US20050229932A1 (en) * | 2004-04-20 | 2005-10-20 | Wolfgang Rittner | Passenger oxygen mask |
US7004162B1 (en) * | 1992-11-09 | 2006-02-28 | Canadian Monaghan, Ltd. | Exhalation valve |
US20090025725A1 (en) * | 2007-07-26 | 2009-01-29 | Uti Limited Partnership | Transient intervention for modifying the breathing of a patient |
US20090133696A1 (en) * | 2007-10-26 | 2009-05-28 | Remmers John E | Ventilation stabilization system |
US20110094513A1 (en) * | 2009-10-28 | 2011-04-28 | Nihon Kohden Corporation | Oxygen mask |
US20120285462A1 (en) * | 2011-05-11 | 2012-11-15 | Pierro Brian W | Lateral gas line configuration |
US8826910B2 (en) | 1997-02-10 | 2014-09-09 | Resmed Limited | Mask and vent assembly therefor |
US20140283837A1 (en) * | 2013-03-19 | 2014-09-25 | Carmelo Thomas Turrisi | High Concentration Nasal Oxygen Mask |
US8915250B2 (en) | 2011-05-11 | 2014-12-23 | Carefusion 207, Inc. | Tube placement in non-invasive ventilation |
US8925548B2 (en) | 2011-05-11 | 2015-01-06 | Carefusion 207, Inc. | Non-invasive ventilation facial skin protection |
US8944059B2 (en) | 2011-05-11 | 2015-02-03 | Carefusion 207, Inc. | Non-invasive ventilation exhaust gas venting |
US9022029B2 (en) | 2011-05-11 | 2015-05-05 | Carefusion 207, Inc. | Carbon-dioxide sampling system for accurately monitoring carbon dioxide in exhaled breath |
CN106110459A (en) * | 2016-07-27 | 2016-11-16 | 田鸣 | A kind of anesthesia nose cup |
USD777905S1 (en) * | 2015-04-21 | 2017-01-31 | Parker-Hannifin Corporation | Nasal mask |
CN106880897A (en) * | 2017-03-15 | 2017-06-23 | 中国人民解放军第三军医大学第二附属医院 | A kind of anesthetic tube |
US10137274B2 (en) | 2001-11-20 | 2018-11-27 | Fisher & Paykel Healthcare Limited | Patient interfaces |
USD867578S1 (en) | 2017-06-23 | 2019-11-19 | Accutron, Inc. | Inhalation apparatus |
USD874064S1 (en) | 2018-05-18 | 2020-01-28 | Trudell Medical International | Mask |
US10576228B2 (en) | 2016-06-15 | 2020-03-03 | Accutron, Inc. | Inhalation apparatus |
USD893806S1 (en) | 2018-11-09 | 2020-08-18 | Trudell Medical Internationl | Mask and shroud |
USD903097S1 (en) | 2018-05-18 | 2020-11-24 | Trudell Medical International | Mask |
WO2021088383A1 (en) * | 2019-11-06 | 2021-05-14 | 吴敏 | Oxygen mask |
USD936825S1 (en) | 2018-03-09 | 2021-11-23 | Hu-Friedy Mfg Co., Llc | Capnography fitting |
US11253666B2 (en) | 2016-07-22 | 2022-02-22 | Nihon Kohden America, Inc. | Masks, systems, and methods for assisting respiration including scattering chamber |
US11439869B2 (en) | 2017-05-19 | 2022-09-13 | Trudell Medical International | Positive expiratory pressure device |
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Cited By (53)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4071026A (en) * | 1976-02-05 | 1978-01-31 | Jesse Althen Bevins | Intra-oral filtering device |
US4219020A (en) * | 1978-08-09 | 1980-08-26 | Fraser Sweatman, Inc. | Scavenger valve attachment for inhalation sedation system mask |
US4216769A (en) * | 1978-09-29 | 1980-08-12 | Grimes Jerry L | Bi-flow nasal cup |
US4266540A (en) * | 1978-10-13 | 1981-05-12 | Donald Panzik | Nasal oxygen therapy mask |
US4944310A (en) * | 1981-04-24 | 1990-07-31 | Somed Pty. Ltd. | Device for treating snoring sickness |
US4655213A (en) * | 1983-10-06 | 1987-04-07 | New York University | Method and apparatus for the treatment of obstructive sleep apnea |
US4782832A (en) * | 1987-07-30 | 1988-11-08 | Puritan-Bennett Corporation | Nasal puff with adjustable sealing means |
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