US3809079A - Resuscitator - Google Patents
Resuscitator Download PDFInfo
- Publication number
- US3809079A US3809079A US00289068A US28906872A US3809079A US 3809079 A US3809079 A US 3809079A US 00289068 A US00289068 A US 00289068A US 28906872 A US28906872 A US 28906872A US 3809079 A US3809079 A US 3809079A
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- Prior art keywords
- air
- mouth
- face mask
- way
- resuscitator
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- 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
- A61M16/04—Tracheal tubes
- A61M16/0488—Mouthpieces; Means for guiding, securing or introducing the tubes
-
- 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
- A61M16/04—Tracheal tubes
- A61M16/0488—Mouthpieces; Means for guiding, securing or introducing the tubes
- A61M16/049—Mouthpieces
- A61M16/0493—Mouthpieces with means for protecting the tube from damage caused by the patient's teeth, e.g. bite block
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S128/00—Surgery
- Y10S128/26—Cannula supporters
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S128/00—Surgery
- Y10S128/912—Connections and closures for tubes delivering fluids to or from the body
Definitions
- ABSTRACT This invention is directed to a resuscitator having a combined face mask and air-way that is particularly useful in hospital emergency rooms and which facilitates the manual placement and subsequent ventilation of a patients lungs in a positive and reliable manner.
- An alternative to the foregoing procedure is to force air from the operators mouth directly through an oral air-way which avoids the air-way obstructionproblem but which is also often ineffective because of air leak age around the outside of the air-way and out through the patients mouth or air leakage out of the nose or the inherent instability of the airway sticking some distance out of the mouth.
- Another object of the invention is the provision of a face maskand air-way that has a minimum of air leakage through the expedient of delivering air directly to the posterior oro-pharynx with the resultant natural puffing out of a patients cheeks into the periphery of the mask thus sealing and preventing further loss of air pressure.
- a further object of the invention is to provide a very stable air-way andface mask combination that can be grasped in one hand by its face mask for the positive insertion of the air-way into the patients throat and which will also permitthe operator to hold the patients chin forward with the same hand that he holds the face mask thus allowing him to further improve resuscitation by this generally accepted method.
- FIG. I is a central section through my combination air-way and face mask shown in operative position with a patients face that is shown in dotted lines, the dotand-dash lines depicting an air bag respirator and its connection with the air-way.
- FIG. 2 is a section taken on line 2-2 of FIG. 1.
- FIG. 3 is an elevational view showing the interior of the air-way and face mask.
- FIG. 4 is an elevational view showing the exterior of the air-way and face mask shown in FIG. 1.
- FIG. 5 is an enlarged, fragmental sectional view taken on line 5--5 of FIG. 4.
- FIG. 1 of the drawings theresuscitator 10 has a face 'mask 11 made from a somewhat flexible and transparent resinous material, the central .body portion 12 being dome-shaped and relatively thick and therefore less flexible while the periphery 13 of the mask has an attenuated, highly flexible and inwardly curved formation that conforms closely to the configuration of the human face around the nose and the mouth features.
- the central body portion of the face mask is provided with an opening 14 which is disposed in substantial alignment with a patients mouth, the opening being preferably circular in form and having a smooth internal wall.
- a tubular air-way member 15 is removably fitted through the opening 14 in the face mask and is preferably molded in one-piece from a relatively inflexible resinousplastic material.
- a slip joint is formed between the air-way member and the face mask by providing its exterior, mask engaging portion 16 with a series of Iongitudinally spaced apart, -circular ribs 17 whose crests have diameters slightly larger than the internal diameter of the opening 14 in the face mask.
- the portion 16 of the air-way member has a narrow, longitudinally disposed key 18 which projects beyond the crests of the ribs 17 and cooperates with a blind-end slot 19 formed in the opening 14 to act as a limit stop for the face mask
- the outer free end of the air-way member is provided with a standard fitting 20 adapted! to form a tight detachable connection with a hose connector 21 of a conventional respirator bag 22, it being understood that in the absence of said bagsaid fitting 20 may act as a mouth piece in mouth-to-mouth resuscitation procedures.
- the air-way member also has a curved end portion 23 adapted to be inserted through a patients mouth into the throat, the terminal end 24 of the curved portion being open and also provided with a series of holes 25 formed in the sides thereof. lntennediate the curved portion 23 and the mask engaging portion 16 the airway has a rectangular shield 26 projecting laterally from its exterior face, a hard plastic bite sleeve 27 being molded into the member adjacent the shield 26 on the oral side of said member.
- the resuscitator bag is now connected to the air-way fitting 20 and resuscitation proceeds in the usual manner it being noted that full resuscitating air will be delivered to the patients lungs and any leakage that might occur around the curved portion 23 and the patients throat and through the teeth will tend to puff out the patients cheeks and increase the effective seal between the attenuated portion 13 of the face mask and the patients face, helping to prevent air leakage from the now tightly sealed space between the interior of the face mask 11 and the patients face.
- a face mask having an attenuated periphery adapted to engage a patients face around the nose and mouth, an opening formed substantially through the center of said face mask, a tubular air-way member removably mounted in said opening, said tubular air-way member having a straight portion extending axially through said opening and projecting beyond the inner and outer sides of said face mask, a detachable joint securing said straight portion to said face mask, said straight portion having a series of longitudinally spaced exterior ribs having crests thereon formed on a large diameter than the interior diameter of said opening and a longitudinal key projecting from said straight portion radially outwardly from said ribs, a key receiving, blind end slat formed in the body of said face mask and in open communication with said opening, a curved end portion on the inner side of said air-way adapted for insertion into a patients mouth, and a fitting on the outer end
- a dome-shaped face mask having a relatively thick central body portion and an attenuated, flexible periphery curved inwardly to terminate in a thin, marginal edge adapted to engage a patients face around the nose and mouth and to provide an air-tight seal therebetween
- detachable couplding means comprising an opening formed substantiallythrough the center of said face mask, a tubular air-way removably mounted in said coupling means, said tubular air-way member having a straight portion extending axially through said coupling means and projecting beyond the inner and outer sides of said face mask, a curved end portion on the inner side of said air-way adapted for insertion into a patients mouth, and a fitting on the outer end of said air-way to serve as a connection to a respirator bag and a mouth-piece for use in mouth-to-mouth resuscitation procedures.
- said coupling means further comprises a longitudinal key projecting from said striaght portion radially outwardly from said ribs, and a key receiving, blind end slot in the body of said face mask and in open communication with said coupling means.
Abstract
This invention is directed to a resuscitator having a combined face mask and air-way that is particularly useful in hospital emergency rooms and which facilitates the manual placement and subsequent ventilation of a patient''s lungs in a positive and reliable manner.
Description
United States Patent [191 I Buttaravoli 1 5 RESUSCITATOR [75] Inventor: Philip M. Buttaravoli, Cincinnati,
Ohio
[73] Assignee: E-Med Corporation, Cincinnati,
Ohio
22 Filed: Sept. 14, 1972 [21] App]. No.: 289,068
[52] US. Cl, l28/l45.7, 128/351 3 [51] Int. Cl A6lm 16/00 [58] Field of Search 128/145,145.5, 145.6, 128/145.7,146,141, 351, 349, 348,141,188
[56] References Cited UNITED STATES PATENTS 3,046,978 7/1962 Lea 128/145.7 3,683,908 8/1972 3,009,459 11/1961 3,037,501 6/1962 [11'] 3,809,079 [451 May 7, 1974 3,182,659 5/1965 Blount 128/146 3,017,880 l/1962 Brook 128/351 3,291,121 12/1966 Vizneau 128/145.7
FOREIGN PATENTS OR APPLICATIONS 931,672
8/1955 Gerrnany 128/357 Primary Examiner-Richard A. Gaudet Assistant Examiner-G. F. Dunne Atrorney, Agent, or Firm-John W. Melville; Albert E.
Strasser; Stanley H. Foster [57 ABSTRACT This invention is directed to a resuscitator having a combined face mask and air-way that is particularly useful in hospital emergency rooms and which facilitates the manual placement and subsequent ventilation of a patients lungs in a positive and reliable manner.
5 Claims, 5 Drawing Figures 1 RESUSCITATOR BACKGROUND OF THE INVENTION During rrasuscitation proceedings in emergency room practice the ventilation of a patients lungs is usually an extremely difficuItpif not impossible task, leading in many cases to an unsuccessful resuscitation. Conventionally a face mask connected with a manually oper ated air bag respirator is used with a separate oral airwayto provide positive pressure breathing. During this procedure air that is forced by the bag into the space between the mask interior and the patients face often tends to force the patients cheeks away from the periphery of the mask allowing air that should enter the air-way to leak therebetween, especially in the adentulous patient whose cheeks tend to naturally sink in under exterior pressure. Further partial or complete obstruction of the air-way by the patients tongue or lips increases the air leakage between the face mask and the patients cheeks.
An alternative to the foregoing procedure is to force air from the operators mouth directly through an oral air-way which avoids the air-way obstructionproblem but which is also often ineffective because of air leak age around the outside of the air-way and out through the patients mouth or air leakage out of the nose or the inherent instability of the airway sticking some distance out of the mouth.
I SUMMARY OF THE INVENTION It is'therefore an object of this invention to provide a combination oral air-way and face mask that will insure the full and effective delivery of resuscitating air to a patients lungs in a quickand efficient manner thereby facilitating and creating more reliable resuscitation practices.
Another object of the invention is the provision of a face maskand air-way that has a minimum of air leakage through the expedient of delivering air directly to the posterior oro-pharynx with the resultant natural puffing out of a patients cheeks into the periphery of the mask thus sealing and preventing further loss of air pressure.
A further object of the invention is to provide a very stable air-way andface mask combination that can be grasped in one hand by its face mask for the positive insertion of the air-way into the patients throat and which will also permitthe operator to hold the patients chin forward with the same hand that he holds the face mask thus allowing him to further improve resuscitation by this generally accepted method.
Further objects of the invention will be apparent from the following specification taken in conjunction with the accompanying drawings, wherein:
BRIEF DESCRIPTION OF THE DRAWINGS FIG. I is a central section through my combination air-way and face mask shown in operative position with a patients face that is shown in dotted lines, the dotand-dash lines depicting an air bag respirator and its connection with the air-way.
FIG. 2 is a section taken on line 2-2 of FIG. 1.
FIG. 3 is an elevational view showing the interior of the air-way and face mask.
FIG. 4 is an elevational view showing the exterior of the air-way and face mask shown in FIG. 1.
FIG. 5 is an enlarged, fragmental sectional view taken on line 5--5 of FIG. 4.
DESCRIPTION OF THE PREFERRED EMBODIMENT With reference to FIG. 1 of the drawingstheresuscitator 10 has a face 'mask 11 made from a somewhat flexible and transparent resinous material, the central .body portion 12 being dome-shaped and relatively thick and therefore less flexible while the periphery 13 of the mask has an attenuated, highly flexible and inwardly curved formation that conforms closely to the configuration of the human face around the nose and the mouth features. The central body portion of the face mask is provided with an opening 14 which is disposed in substantial alignment with a patients mouth, the opening being preferably circular in form and having a smooth internal wall.
A tubular air-way member 15 is removably fitted through the opening 14 in the face mask and is preferably molded in one-piece from a relatively inflexible resinousplastic material. A slip joint is formed between the air-way member and the face mask by providing its exterior, mask engaging portion 16 with a series of Iongitudinally spaced apart, -circular ribs 17 whose crests have diameters slightly larger than the internal diameter of the opening 14 in the face mask. By axially forcing theface mask engaging portion 15 of theair-way member into the opening 14 from the interior side of the mask a firm but detachable slip joint is provided between the face mask and the air-way member. As best shown in FIGS. 3 and 5 of the drawings the portion 16 of the air-way member has a narrow, longitudinally disposed key 18 which projects beyond the crests of the ribs 17 and cooperates with a blind-end slot 19 formed in the opening 14 to act as a limit stop for the face mask The outer free end of the air-way member is provided with a standard fitting 20 adapted! to form a tight detachable connection with a hose connector 21 of a conventional respirator bag 22, it being understood that in the absence of said bagsaid fitting 20 may act as a mouth piece in mouth-to-mouth resuscitation procedures.
The air-way member also has a curved end portion 23 adapted to be inserted through a patients mouth into the throat, the terminal end 24 of the curved portion being open and also provided with a series of holes 25 formed in the sides thereof. lntennediate the curved portion 23 and the mask engaging portion 16 the airway has a rectangular shield 26 projecting laterally from its exterior face, a hard plastic bite sleeve 27 being molded into the member adjacent the shield 26 on the oral side of said member.
OPERATION As best illustrated by dotted lines 28 in FIG. 2 of the patients mouth by manually grasping the sides of the face mask and flexing them together and forwardly into the said dotted line condition. In this condition the operator has excellent control and unobstructed visability for manipulation of the air-way into the patients mouth. When the operator is satisfied that the air-way is properly positioned, the face mask sides are released and the resuscitator assumes the position relative to a patients face depicted in FIG. 1 of the drawing whereby upon further inward pressure on the resuscitator the attenuated periphery 13 of the face mask will engage the patients face around his nose and mouth to form an effective, air-tight seal between the mask and the patients face and cheeks. The resuscitator bag is now connected to the air-way fitting 20 and resuscitation proceeds in the usual manner it being noted that full resuscitating air will be delivered to the patients lungs and any leakage that might occur around the curved portion 23 and the patients throat and through the teeth will tend to puff out the patients cheeks and increase the effective seal between the attenuated portion 13 of the face mask and the patients face, helping to prevent air leakage from the now tightly sealed space between the interior of the face mask 11 and the patients face.
What is claimed is:
1. In a resuscitator which facilitates the manual placement and subsequent ventilation of a patients lungs, a face mask having an attenuated periphery adapted to engage a patients face around the nose and mouth, an opening formed substantially through the center of said face mask, a tubular air-way member removably mounted in said opening, said tubular air-way member having a straight portion extending axially through said opening and projecting beyond the inner and outer sides of said face mask, a detachable joint securing said straight portion to said face mask, said straight portion having a series of longitudinally spaced exterior ribs having crests thereon formed on a large diameter than the interior diameter of said opening and a longitudinal key projecting from said straight portion radially outwardly from said ribs, a key receiving, blind end slat formed in the body of said face mask and in open communication with said opening, a curved end portion on the inner side of said air-way adapted for insertion into a patients mouth, and a fitting on the outer end of said air-way to serve as a connection to a resperator bag and as a mouth piece for use in mouth-tomouth resuscitation procedures.
2. In a resuscitator which facilitates the manual placement and subsequent ventilation of a patients lungs, a dome-shaped face mask having a relatively thick central body portion and an attenuated, flexible periphery curved inwardly to terminate in a thin, marginal edge adapted to engage a patients face around the nose and mouth and to provide an air-tight seal therebetween, detachable couplding means comprising an opening formed substantiallythrough the center of said face mask, a tubular air-way removably mounted in said coupling means, said tubular air-way member having a straight portion extending axially through said coupling means and projecting beyond the inner and outer sides of said face mask, a curved end portion on the inner side of said air-way adapted for insertion into a patients mouth, and a fitting on the outer end of said air-way to serve as a connection to a respirator bag and a mouth-piece for use in mouth-to-mouth resuscitation procedures.
3.-The resuscitator set forth in claim 1 wherein a mouth engaging shield projects from the air-way member intermediate its straight portion and it's curved portion.
4. The resuscitator set forth in claim 3 wherein said striaght portion is provided with a series of longitudinally spaced exterior ribs having crests thereon formed on a large diameter than the interior diameter of said coupling means in said face mask.
5. The resuscitator set forth in claim 4 wherein said coupling means further comprises a longitudinal key projecting from said striaght portion radially outwardly from said ribs, and a key receiving, blind end slot in the body of said face mask and in open communication with said coupling means. i
Claims (5)
1. In a resuscitator which facilitates the manual placement and subsequent ventilation of a patient''s lungs, a face mask having an attenuated periphery adapted to engage a patient''s face around the nose and mouth, an opening formed substantially through the center of said face mask, a tubular air-way member removably mounted in said opening, said tubular air-way member having a straight portion extending axially through said opening and projecting beyond the inner and outer sides of said face mask, a detachable joint securing said straight portion to said face mask, said straight portion having a series of longitudinally spaced exterior ribs having crests thereon formed on a large diameter than the interior diameter of said opening and a longitudinal key projecting from said straight portion radially outwardly from said ribs, a key receiving, blind end slat formed in the body of said face mask and in open communication with said opening, a curved end portion on the inner side of said air-way adapted for insertion into a patient''s mouth, and a fitting on the outer end of said air-way to serve as a connection to a resperator bag and as a mouth piece for use in mouth-to-mouth resuscitation procedures.
2. In a resuscitator which facilitates the manual placement and subsequent ventilation of a patient''s lungs, a dome-shaped face mask having a relatively thick central body portion and an attenuated, flexible periphery curved inwardly to terminate in a thin, marginal edge adapted to engage a patient''s face around the nose and mouth and to provide an air-tight seal therebetween, detachable couplding means comprising an opening formed substantially through the center of said face mask, a tubular air-way removably mounted in said coupling means, said tubular air-way member having a straight portion extending axially through said coupling means and projecting beyond the inner and outer sides of said face mask, a curved end portion on the inner side of said air-way adapted for insertion into a patient''s mouth, and a fitting on the outer end of said air-way to serve as a connection to a respirator bag and a mouth-piece for use in mouth-to-mouth resuscitation procedures.
3. The resuscitator set forth in claim 1 wherein a mouth engaging shield projects from the air-way member intermediate it''s straight portion and it''s curved portion.
4. The resuscitator set forth in claim 3 wherein said striaght portion is provided with a series of longitudinally spaced exterior ribs having crests thereon formed on a large diameter than the interior diameter of said coupling means in said face mask.
5. The resuscitator set forth in claim 4 wherein said coupling means further comprises a longitudinal key projecting from said striaght portion radially outwardly from said ribs, and a key receiving, blind end slot in the body of said face mask and in open communication with said coupling means.
Priority Applications (1)
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US00289068A US3809079A (en) | 1972-09-14 | 1972-09-14 | Resuscitator |
Applications Claiming Priority (1)
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US00289068A US3809079A (en) | 1972-09-14 | 1972-09-14 | Resuscitator |
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US3809079A true US3809079A (en) | 1974-05-07 |
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US00289068A Expired - Lifetime US3809079A (en) | 1972-09-14 | 1972-09-14 | Resuscitator |
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Cited By (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3946736A (en) * | 1974-10-18 | 1976-03-30 | Neward Theodore C | Respirator assist device |
US4470413A (en) * | 1982-01-29 | 1984-09-11 | Dr/a/ gerwerk Aktiengesellschaft | Protective breathing apparatus including a mask and mouthpiece |
DE3543931A1 (en) * | 1985-12-12 | 1987-06-19 | Ruediger Dr Dinse | Breathing mask |
US4719911A (en) * | 1986-10-20 | 1988-01-19 | Carrico George L | Air filter mask with mouth retention means |
GB2198957A (en) * | 1986-12-09 | 1988-06-29 | James Ian Brayshaw | Mouth to mouth resuscitator |
EP0417026A1 (en) * | 1989-09-04 | 1991-03-13 | Ambu International A/S | Protective device kit for use in pulmonary ventilation treatment by the mouth-to-mouth or mouth-to-nose methods |
US5022392A (en) * | 1988-11-22 | 1991-06-11 | Yeakel Joseph D | Apparatus for secretion deflection during intubation |
GB2277688A (en) * | 1993-05-05 | 1994-11-09 | David Stewart | A self-retaining device to facilitate the inhalation of gas to human beings and animals |
US5694929A (en) * | 1996-02-26 | 1997-12-09 | Christopher; Kent L. | Method and apparatus for ventilation/oxygenation during guided insertion of an endotracheal tube |
GB2367757A (en) * | 2000-10-12 | 2002-04-17 | Janice Alexander | Mask for cyclists |
US6405725B1 (en) * | 1996-02-26 | 2002-06-18 | Evergreen Medical, Inc. | Method and apparatus for ventilation/oxygenation during guided insertion of an endotracheal tube |
US6543446B1 (en) | 1996-02-26 | 2003-04-08 | Evergreen Medical Incorporated | Method and apparatus for ventilation/oxygenation during guided insertion of an endotracheal tube |
US6568388B2 (en) | 1996-02-26 | 2003-05-27 | Evergreen Medical Incorporated | Method and apparatus for ventilation / oxygenation during guided insertion of an endotracheal tube |
US6571798B1 (en) * | 2000-04-05 | 2003-06-03 | W. Keith Thornton | Device for improving breathing and method of constructing same |
US6631713B1 (en) | 1996-02-26 | 2003-10-14 | Evergreen Medical Incorporated | Method and apparatus for ventilation/oxygenation during guided insertion of an endotracheal tube |
US20040099273A1 (en) * | 2002-11-27 | 2004-05-27 | Wright Clifford A. | Rescue device and kit and method of using same |
US6763831B2 (en) * | 2001-08-02 | 2004-07-20 | Joseph A. Sniadach | Adjustable ventilation mask for a patient |
US20050139220A1 (en) * | 1996-02-26 | 2005-06-30 | Evergreen Medical Incorporated | Method and apparatus for ventilation / oxygenation during guided insertion of an endotracheal tube |
US20050229932A1 (en) * | 2004-04-20 | 2005-10-20 | Wolfgang Rittner | Passenger oxygen mask |
US20050268914A1 (en) * | 2004-06-03 | 2005-12-08 | Paoluccio John A | Mouthpiece and mask for ventilation assistance and connector for joining objects |
US20060054168A1 (en) * | 2004-09-10 | 2006-03-16 | Mesure Technology Co., Ltd. | Face mask |
US20070181132A1 (en) * | 2006-02-06 | 2007-08-09 | Worley Brian D | Ventilator to tracheotomy tube coupling |
US20080287743A1 (en) * | 2007-05-17 | 2008-11-20 | Boston Scientific Scimed, Inc. | Medical retractor and stabilizing assembly and related methods of use |
US20090139524A1 (en) * | 2005-08-30 | 2009-06-04 | Ultimate Medical Pty. Ltd. | Oxygenating device and method |
US20100206315A1 (en) * | 2004-04-06 | 2010-08-19 | Thompson Darrell K | Cardiopulmonary Resuscitation Device |
US8511309B2 (en) | 2006-02-06 | 2013-08-20 | Brian D. Worley | Ventilator to tracheotomy tube coupling |
US20140190484A1 (en) * | 2011-11-18 | 2014-07-10 | Roscoe C. Peace | Multiple-use airway mask |
US20200246570A1 (en) * | 2014-02-28 | 2020-08-06 | Chris Salvino | Non-rebreather face mask |
US10869984B2 (en) | 2006-02-06 | 2020-12-22 | Lazarus Medical, L.L.C. | Ventilator to tracheotomy tube coupling |
US11324877B2 (en) * | 2009-12-17 | 2022-05-10 | Dechoker LLC | Airway assist device |
US11446460B1 (en) | 2021-10-08 | 2022-09-20 | Dechoker LLC | Pressure regulated airway assist device |
US11633530B2 (en) * | 2021-08-03 | 2023-04-25 | Dcstar Inc | Suction device for sucking obstruction in respiratory tract and use method therefor |
US11701462B2 (en) | 2016-07-15 | 2023-07-18 | Dechoker LLC | Airway assist device |
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US3009459A (en) * | 1956-11-05 | 1961-11-21 | Ruben Henning | Apparatus for artificial respiration |
US3017880A (en) * | 1958-09-16 | 1962-01-23 | Brook Airway Ltd | Resuscitator |
US3037501A (en) * | 1959-02-02 | 1962-06-05 | Scott Aviation Corp | Quick-donning breathing mask |
US3046978A (en) * | 1960-06-22 | 1962-07-31 | Lawrence N Lea | Manually operated resuscitator |
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US3683908A (en) * | 1969-10-20 | 1972-08-15 | Tantrimudalige Anthony Don Mic | Apparatus for sealing the oesophagus and providing artificial respiration |
Cited By (42)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3946736A (en) * | 1974-10-18 | 1976-03-30 | Neward Theodore C | Respirator assist device |
US4470413A (en) * | 1982-01-29 | 1984-09-11 | Dr/a/ gerwerk Aktiengesellschaft | Protective breathing apparatus including a mask and mouthpiece |
DE3543931A1 (en) * | 1985-12-12 | 1987-06-19 | Ruediger Dr Dinse | Breathing mask |
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