GB894094A - Apparatus for controlling or assisting respiration - Google Patents
Apparatus for controlling or assisting respirationInfo
- Publication number
- GB894094A GB894094A GB3823/60A GB382360A GB894094A GB 894094 A GB894094 A GB 894094A GB 3823/60 A GB3823/60 A GB 3823/60A GB 382360 A GB382360 A GB 382360A GB 894094 A GB894094 A GB 894094A
- Authority
- GB
- United Kingdom
- Prior art keywords
- valve
- bellows
- gas
- patient
- diaphragm
- Prior art date
- 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.)
- Expired
Links
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
-
- 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
- A61M16/0057—Pumps therefor
- A61M16/0075—Bellows-type
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/7722—Line condition change responsive valves
- Y10T137/7754—Line flow effect assisted
- Y10T137/7755—Reactor surface normal to flow
Landscapes
- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- Pulmonology (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
- Percussion Or Vibration Massage (AREA)
Abstract
894,094. Respiratory appliances. BRITISH OXYGEN CO. Ltd. Feb. 3, 1961 [Feb. 3, 1960], No. 3823/60. Class 81 (2). In a forced breathing respirator the supply valve is controlled by a pressure-responsive member which is actuated by a flow-meter in accordance with the volume of gas passed to the patient. The control-valve assembly comprises a pivoted member 7 mounted so that it can close either valve 29 or 3 according to its position and it is actuated by a bellows 9, the movable end of which carries a magnet 11. When the bellows is collapsed this magnet approaches the member 7 and attracts it, so that valve 29 is closed, but when the bellows is distended, a fixed magnet 10 predominates and the member 7 is tilted to close valve 3. Gas enters a chamber 2 through a tube 1 and thence passes through valve 3 to an injector 4, where it entrains air, and then flows through a resistance element 16 to the patient. The pressure drop across the element 16 is communicated to a diaphragm 21, dividing two chambers 19, 20, which is consequently moved towards the right at a rate depending on the setting of a needle valve 22. At the end of this movement a plunger 23 engages a valve 24 which allows gas from the supply to pass to the interior of the bellows 9 and cause this to distend until the member 7 moves over to its alternative position. The supply to the patient is thus cut off and his lungs collapse naturally while a flow of gas through pipe 28 opens a valve 27 and extracts the gas from chamber 19. This restores the diaphragm 21 to its original position while, with valve 24 now closed, the contents of the bellows escape through an adjustable valve 13. The bellows collapse slowly under the pressure of a spring 14 until the original conditions are restored. Since the rate of movement of the diaphragm 21 is constant for any given setting of the valve 22 the time during which inspiration is continued depends on the volume of gas passed to the patient. The duration of exhalation is determined by the setting of the valve 13.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL260731D NL260731A (en) | 1960-02-03 | ||
| NL112847D NL112847C (en) | 1960-02-03 | ||
| GB3823/60A GB894094A (en) | 1960-02-03 | 1960-02-03 | Apparatus for controlling or assisting respiration |
| DEB61070A DE1126566B (en) | 1960-02-03 | 1961-01-31 | Self-operated ventilator |
| FR851482A FR1279011A (en) | 1960-02-03 | 1961-02-02 | Device for regulating or assisting breathing |
| US86903A US3164149A (en) | 1960-02-03 | 1961-02-03 | Apparatus for controlling or assisting respiration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3823/60A GB894094A (en) | 1960-02-03 | 1960-02-03 | Apparatus for controlling or assisting respiration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB894094A true GB894094A (en) | 1962-04-18 |
Family
ID=9765602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3823/60A Expired GB894094A (en) | 1960-02-03 | 1960-02-03 | Apparatus for controlling or assisting respiration |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3164149A (en) |
| DE (1) | DE1126566B (en) |
| GB (1) | GB894094A (en) |
| NL (2) | NL112847C (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3251359A (en) * | 1963-04-25 | 1966-05-17 | Ismach Aaron | Automatic intermittent positive pressure ventilators |
| US3319627A (en) * | 1964-02-20 | 1967-05-16 | Mine Safety Appliances Co | Intermittent positive pressure breathing apparatus |
| GB1156073A (en) * | 1966-12-17 | 1969-06-25 | Draegerwerk Ag | An Evaporator for Anaesthetic. |
| US3623506A (en) * | 1969-09-22 | 1971-11-30 | Rockwell Mfg Co | Service regulator with high-low pressure cutoff device |
| US4186737A (en) * | 1977-11-10 | 1980-02-05 | Airco, Inc. | Drug nebulizing system for medical ventilators of the volume-limited type |
| DE3817091A1 (en) * | 1988-05-19 | 1989-11-30 | Draegerwerk Ag | PISTON CYLINDER UNIT AS A CONVEYOR IN A VENTILATOR |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2969789A (en) * | 1956-03-23 | 1961-01-31 | Morch Ernst Trier | Respirator |
| US2915056A (en) * | 1956-05-18 | 1959-12-01 | Arnold S J Lee | Respirable gas administration apparatus |
| GB868606A (en) * | 1958-11-19 | 1961-05-17 | British Oxygen Co Ltd | Apparatus for controlling or assisting respiration |
-
0
- NL NL260731D patent/NL260731A/xx unknown
- NL NL112847D patent/NL112847C/xx active
-
1960
- 1960-02-03 GB GB3823/60A patent/GB894094A/en not_active Expired
-
1961
- 1961-01-31 DE DEB61070A patent/DE1126566B/en active Pending
- 1961-02-03 US US86903A patent/US3164149A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE1126566B (en) | 1962-03-29 |
| NL112847C (en) | 1900-01-01 |
| NL260731A (en) | 1900-01-01 |
| US3164149A (en) | 1965-01-05 |
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