CN106730222B - Oxygen mask with respiration sensor - Google Patents

Oxygen mask with respiration sensor Download PDF

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Publication number
CN106730222B
CN106730222B CN201611239816.5A CN201611239816A CN106730222B CN 106730222 B CN106730222 B CN 106730222B CN 201611239816 A CN201611239816 A CN 201611239816A CN 106730222 B CN106730222 B CN 106730222B
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optical fiber
section
pressure sensing
micro
mask
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CN106730222A (en
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卞羽琪
孙翠玲
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Yancheng Teachers University
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Yancheng Teachers University
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/06Respiratory or anaesthetic masks
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/0003Accessories therefor, e.g. sensors, vibrators, negative pressure
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M2205/00General characteristics of the apparatus
    • A61M2205/33Controlling, regulating or measuring
    • A61M2205/3306Optical measuring means
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M2205/00General characteristics of the apparatus
    • A61M2205/33Controlling, regulating or measuring
    • A61M2205/3327Measuring
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M2205/00General characteristics of the apparatus
    • A61M2205/33Controlling, regulating or measuring
    • A61M2205/3331Pressure; Flow

Abstract

The oxygen mask with breathing sensor is a new mask combining sensor and oxygen mask into one, the mask includes incident optical fiber, emergent optical fiber, optical fiber ring, micro-bending section, optical fiber leading-out tube, pressure sensing sheet, convex pressure sensing section, concave pressure sensing section and optical fiber guiding support, the incident optical fiber, optical fiber ring, micro-bending section and emergent optical fiber constitute optical fiber transmission assembly, the optical fiber leading-out tube, mask fixing fiber support, pressure sensing sheet fixing fiber support and optical fiber guiding support constitute optical fiber support assembly, the micro-bending section and pressure sensing sheet constitute optical fiber sensing assembly.

Description

Oxygen mask with respiration sensor
Technical Field
The invention relates to an oxygen mask, in particular to an oxygen mask with a breathing sensor, and belongs to the technical field of medical equipment.
Background
The oxygen mask has various models, the product is very mature, but the oxygen mask with the breathing sensor is not many, the technology is not mature, especially the breathing sensor in the oxygen mask is generally used as an independent sensor, and has no big relation with the oxygen mask, as for the breathing sensor, the existing breathing sensor mainly has an electrode impedance type, a heat sensitive probe type, an elastic sensing type and an optical fiber type, the three common breathing sensors in the front have the defects of inconvenient use, inaccurate measurement, easy electromagnetic interference and the like, while the existing optical fiber breathing sensor generally adopts a sensitive film reflection type, in order to improve the sensitivity of the sensor, the sensitive film is close to the end face of the optical fiber, so that the dynamic range of the sensitive film is small, the mechanical size requirement on the sensor is harsh, the manufacturing difficulty is high, the end face of the optical fiber needs to be polished, the manufacturing cost is high, the optical fiber in the optical fiber breathing sensor is divided into two sections, has a fracture, the normal transmission of the optical fiber end face is easy to be poor in long-term use or in a plum season, when the end face of the optical fiber has water vapor or mildew, the normal transmission of the optical fiber is influenced, the measurement error is generated, and the reliability of the measurement data is influenced.
Disclosure of Invention
The invention aims to provide the oxygen mask which is simple to manufacture, has low requirement on the mechanical size of the sensor, has a large dynamic range of the pressure sensing film, is low in manufacturing cost, has no fracture in an optical fiber, is not influenced by environmental factors, and can be used for a long time.
The technical problem to be solved by the invention is realized by the following technical scheme: the oxygen mask with the breathing sensor comprises an optical fiber leading-out pipe (1), an incident optical fiber (2), an incident optical fiber buffer section (3), a mask fiber fixing support (4), an optical fiber ring (5), a first micro-bending section (6), a pressure sensing piece support (7), an oxygen mask (8), a mask edge (9), a conical groove (10), a thin steel wire shaft (11), a pressure sensing piece (12), a pressure sensing piece fiber fixing support (13), a convex pressure sensing section (14), a concave pressure sensing section (15), an emergent optical fiber buffer section (16), an optical fiber guide support (17), an emergent optical fiber (18), a second micro-bending section (19), a third micro-bending section (20) and an oxygen pipe (21).
Incident optical fiber (2), incident optical fiber buffer section (3), optic fibre ring (5), first little curved section (6), the little curved section of second (19), the little curved section of third (20), emergent optical fiber buffer section (16) and emergent optical fiber (18) constitute optical fiber transmission assembly, optic fibre stand component is constituteed to optic fibre stand pipe (1), the solid fine support of face guard (4), the solid fine support of pressure sensing piece (13) and optic fibre direction support (17), first little curved section (6), the little curved section of second (19), the little curved section of third (20) and pressure sensing piece (12) constitute optic fibre sensing assembly.
The oxygen mask is characterized in that two pressure sensing piece supports (7) are arranged at the upper end of the oxygen mask (8), a conical groove (10) used for being embedded into a thin steel wire shaft (11) is formed in the pressure sensing piece supports (7), three mask fiber fixing supports (4) are arranged in the middle of the oxygen mask (8), an optical fiber leading-out pipe (1) is arranged on an oxygen pipe (21), the side surface of the thin steel wire shaft (11) is connected with a pressure sensing piece (12) capable of rotating around the thin steel wire shaft (11), a convex pressure sensing section (14) is arranged at the waist of the pressure sensing piece (12), and a concave pressure sensing section (15) is arranged at the tail of the pressure sensing piece (12).
Be equipped with two optical fiber ring (5) between oxygen face guard (8) middle part and sense preforming (12) waist, contain first little curved section (6) above optical fiber ring (5), second little curved section (19) and third little curved section (20), optical fiber ring (5) are oval, be equipped with incident optic fibre buffer section (3) between optical fiber ring (5) and incident optic fibre (2), be equipped with emergent optic fibre buffer section (16) between optical fiber ring (5) and emergent optic fibre (18), optical fiber ring (5) left side is fixed by the solid fine support of three face guard (4), optical fiber ring (5) right side is fixed by the solid fine support of two sense preforming (13).
The optical fiber guiding support (17) used for shaping the shapes of the outgoing optical fiber buffer section (16) and the incoming optical fiber buffer section (3) is arranged at the joint of the oxygen pipe (21) and the oxygen mask (8), the bottom end of the optical fiber guiding support (17) is connected with the inner wall of the oxygen pipe (21), the incoming optical fiber (2) and the outgoing optical fiber (18) are led out by the optical fiber leading-out pipe (1), the optical fibers in the oxygen mask (8) and the oxygen pipe (21) are bare fibers with protective layers, the optical fibers outside the oxygen mask (8) and the oxygen pipe (21) are optical fibers with protective sleeves and reinforcing wires, and the optical path direction sequentially comprises the incoming optical fiber (2), the incoming optical fiber buffer section (3), the first microbending section (6), the second microbending section (19), the third microbending section (20), the outgoing optical fiber buffer section (16) and the outgoing optical fiber (18).
When the nose or mouth exhales, the expiratory airflow generates pressure on the pressure sensing piece (12), the pressure sensing piece (12) compresses the optical fiber ring (5) through the pressure sensing piece support (7) to enable the curvature radiuses of the first micro-bending section (6), the second micro-bending section (19) and the third micro-bending section (20) to be reduced, the attenuation of the optical fiber is increased, and the light intensity in the emergent optical fiber is reduced; when the nose or mouth inhales, the inhaled air flow has a pulling force effect on the pressure-sensitive sheet (12), the pressure-sensitive sheet (12) pulls the optical fiber ring (5) through the pressure-sensitive sheet support (7) to increase the curvature radiuses of the first slightly-bent section (6), the second slightly-bent section (19) and the third slightly-bent section (20), the attenuation of the optical fiber is reduced, and the light intensity in the emergent optical fiber is increased; the light intensity change is the sum of the light intensity changes of the first micro-bending section (6), the second micro-bending section (19) and the third micro-bending section (20), so that the sensitivity of the sensor is high; when the sensor is in a static state, the elasticity of the optical fiber ring (5) enables the pressure sensing sheet (12) to reset; the size of the breathing pressure can be known by measuring the degree of light intensity variation in the outgoing optical fiber.
Due to the adoption of the technical scheme, the invention has the advantages and positive effects that: the oxygen mask with the breathing sensor has the advantages of simple structure, low manufacturing cost, high sensitivity and low requirement on the mechanical dimension of the sensor, and the breathing sensor in the mask has the characteristics of large dynamic range of a pressure sensing film, long service life of the sensor, no influence of environmental cleanliness, electromagnetic interference resistance and the like, and is suitable for the oxygen supply of a doctor and the remote detection of the breathing condition.
Drawings
The invention is further illustrated with reference to the following figures and examples, the invention having the following 2 figures:
figure 1 is a front view of the present invention,
fig. 2 is a right side view of the present invention.
The numbers indicated in the figures represent the following, respectively:
1. the optical fiber protection device comprises an optical fiber leading-out tube, 2 incident optical fibers, 3 incident optical fiber buffer sections, 4 mask fiber fixing supports, 5 optical fiber rings, 6 first micro-bending sections, 7 pressure sensing piece supports, 8 oxygen masks, 9 mask edges, 10 conical grooves, 11 thin steel wire shafts, 12 pressure sensing pieces, 13 pressure sensing piece fiber fixing supports, 14 convex pressure sensing sections, 15 concave pressure sensing sections, 16 emergent optical fiber buffer sections, 17 optical fiber guide supports, 18 emergent optical fibers, 19 second micro-bending sections, 20 third micro-bending sections and 21 oxygen tubes.
Detailed Description
1. According to fig. 1 and 2, the oxygen mask with the respiration sensor comprises an optical fiber leading-out pipe (1), an incident optical fiber (2), an incident optical fiber buffer section (3), a mask fiber fixing support (4), an optical fiber ring (5), a first micro-bending section (6), a pressure sensing sheet support (7), an oxygen mask (8), a mask edge (9), a conical groove (10), a thin steel wire shaft (11), a pressure sensing sheet (12), a pressure sensing sheet fiber fixing support (13), a convex pressure sensing section (14), a concave pressure sensing section (15), an emergent optical fiber buffer section (16), an optical fiber guide support (17), an emergent optical fiber (18), a second micro-bending section (19), a third micro-bending section (20) and an oxygen pipe (21).
2. Incident optical fiber (2), incident optical fiber buffer section (3), optic fibre ring (5), first little curved section (6), the little curved section of second (19), the little curved section of third (20), emergent optical fiber buffer section (16) and emergent optical fiber (18) constitute optical fiber transmission assembly, optic fibre stand component is constituteed to optic fibre stand pipe (1), the solid fine support of face guard (4), the solid fine support of pressure sensing piece (13) and optic fibre direction support (17), first little curved section (6), the little curved section of second (19), the little curved section of third (20) and pressure sensing piece (12) constitute optic fibre sensing assembly.
3. The oxygen mask is characterized in that two pressure sensing piece supports (7) are arranged at the upper end of the oxygen mask (8), a conical groove (10) used for being embedded into a thin steel wire shaft (11) is formed in the pressure sensing piece supports (7), three mask fiber fixing supports (4) are arranged in the middle of the oxygen mask (8), an optical fiber leading-out pipe (1) is arranged on an oxygen pipe (21), the side surface of the thin steel wire shaft (11) is connected with a pressure sensing piece (12) capable of rotating around the thin steel wire shaft (11), a convex pressure sensing section (14) is arranged at the waist of the pressure sensing piece (12), and a concave pressure sensing section (15) is arranged at the tail of the pressure sensing piece (12).
4. Be equipped with two optical fiber ring (5) between oxygen face guard (8) middle part and sense preforming (12) waist, contain first microbending section (6) above optical fiber ring (5), second microbending section (19) and third microbending section (20), optical fiber ring (5) are oval, oval minor axis length is 2.6 centimetres, major axis length is 3.8 centimetres, first microbending section (6), the radius of curvature of second microbending section (19) and third microbending section (20) is 1 centimetre, be equipped with incident optical fiber buffer segment (3) between optical fiber ring (5) and incident optical fiber (2), be equipped with emergent optical fiber buffer segment (16) between optical fiber ring (5) and emergent optical fiber (18), optical fiber ring (5) left side is fixed by three face guard solid fine support (4), optical fiber ring (5) right side is fixed by two sense preforming solid fine supports (13).
5. An optical fiber guide support (17) used for shaping the shapes of an outgoing optical fiber buffer section (16) and an incoming optical fiber buffer section (3) is arranged at the joint of an oxygen tube (21) and an oxygen mask (8), the bottom end of the optical fiber guide support (17) is connected with the inner wall of the oxygen tube (21), the incoming optical fiber (2) and the outgoing optical fiber (18) are led out by an optical fiber leading-out tube (1), optical fibers in the oxygen mask (8) and the oxygen tube (21) are bare fibers with protective layers, optical fibers outside the oxygen mask (8) and the oxygen tube (21) are optical fibers with protective covers and reinforcing wires, optical paths sequentially run to the incoming optical fiber (2), the incoming optical fiber buffer section (3), a first micro-bending section (6), a second micro-bending section (19), a third micro-bending section (20), the outgoing optical fiber buffer section (16) and the outgoing optical fiber (18), and the specification of the optical fiber is 10 mu m/125 mu m single-mode optical fiber.
6. The oxygen mask with the breathing sensor is formed by adding the element on the basis of a common oxygen mask (9), the optical fiber in the sensor is a whole section of optical fiber, no joint or fracture mark exists in the middle, during manufacturing, a protecting sleeve of a middle section of a single finished single-mode optical fiber jumper wire is stripped to enable the optical fiber jumper wire to become a bare fiber, the bare fiber is respectively embedded into a mask fiber fixing support (4), a pressure sensing piece fiber fixing support (13), an optical fiber guide support (17) and an optical fiber leading-out pipe (1) after being wound for two circles at an optical fiber ring (5) and is firmly glued by glass cement, the optical fiber guide support (17) and the optical fiber leading-out pipe (1) are both symmetrically folded by two half lobes, if distance transmission needs to be increased, only the adapter of an optical cable and the adapter of the optical fiber jumper wire need to be coupled through a coupler, and in order to guarantee the coupling quality, an FC type optical fiber adapter is preferentially used.
7. The sensor in the oxygen mask is a light intensity modulation type optical fiber sensor manufactured by utilizing the optical fiber microbending loss principle.

Claims (1)

1. An oxygen mask with a respiration sensor comprises an optical fiber leading-out pipe (1), an incident optical fiber (2), an incident optical fiber buffer section (3), a mask fiber fixing support (4), an optical fiber ring (5), a first micro-bending section (6), a pressure sensing piece support (7), an oxygen mask (8), a conical groove (10), a thin steel wire shaft (11), a pressure sensing piece (12), a pressure sensing piece fiber fixing support (13), a convex pressure sensing section (14), a concave pressure sensing section (15), an emergent optical fiber buffer section (16), an optical fiber guide support (17), an emergent optical fiber (18), a second micro-bending section (19), a third micro-bending section (20) and an oxygen pipe (21);
the method is characterized in that: an incident optical fiber (2), an incident optical fiber buffer section (3), an optical fiber ring (5), a first micro-bending section (6), a second micro-bending section (19), a third micro-bending section (20), an emergent optical fiber buffer section (16) and an emergent optical fiber (18) form an optical fiber transmission assembly, an optical fiber leading-out pipe (1), a mask fiber fixing bracket (4), a pressure sensing piece fiber fixing bracket (13) and an optical fiber guide bracket (17) form an optical fiber bracket assembly, and the first micro-bending section (6), the second micro-bending section (19), the third micro-bending section (20) and the pressure sensing piece (12) form an optical fiber sensing assembly;
the upper end of an oxygen mask (8) is provided with two pressure sensing piece supports (7), a conical groove (10) for embedding a thin steel wire shaft (11) is formed in the upper surface of each pressure sensing piece support (7), three mask fiber fixing supports (4) are arranged in the middle of the oxygen mask (8), an optical fiber leading-out pipe (1) is arranged on an oxygen pipe (21), the side surface of the thin steel wire shaft (11) is connected with a pressure sensing piece (12) capable of rotating around the thin steel wire shaft (11), the waist of the pressure sensing piece (12) is provided with a convex pressure sensing section (14), and the tail of the pressure sensing piece (12) is provided with a concave pressure sensing section (15);
two optical fiber rings (5) are arranged between the middle part of an oxygen mask (8) and the waist part of a pressure sensing piece (12), the optical fiber rings (5) comprise a first slightly-bent section (6), a second slightly-bent section (19) and a third slightly-bent section (20), the optical fiber rings (5) are oval, an incident optical fiber buffer section (3) is arranged between the optical fiber rings (5) and an incident optical fiber (2), an emergent optical fiber buffer section (16) is arranged between the optical fiber rings (5) and an emergent optical fiber (18), the left side of each optical fiber ring (5) is fixed by three mask fiber fixing supports (4), and the right side of each optical fiber ring (5) is fixed by two pressure sensing piece fiber fixing supports (13);
an optical fiber guide support (17) used for shaping the shapes of an outgoing optical fiber buffer section (16) and an incoming optical fiber buffer section (3) is arranged at the joint of an oxygen tube (21) and an oxygen mask (8), the bottom end of the optical fiber guide support (17) is connected with the inner wall of the oxygen tube (21), the incoming optical fiber (2) and the outgoing optical fiber (18) are both led out by an optical fiber leading-out tube (1), the optical fibers in the oxygen mask (8) and the oxygen tube (21) are bare fibers with protective layers, the optical fibers outside the oxygen mask (8) and the oxygen tube (21) are optical fibers with protective sleeves and reinforcing wires, and the optical paths of the optical fibers sequentially run to the incoming optical fiber (2), the incoming optical fiber buffer section (3), a first microbending section (6), a second microbending section (19), a third microbending section (20), the outgoing optical fiber buffer section (16) and the outgoing optical fiber (18);
when the nose or mouth exhales, the expiratory airflow generates pressure on the pressure sensing piece (12), the pressure sensing piece (12) compresses the optical fiber ring (5) through the pressure sensing piece support (7) to enable the curvature radiuses of the first micro-bending section (6), the second micro-bending section (19) and the third micro-bending section (20) to be reduced, the attenuation of the optical fiber is increased, and the light intensity in the emergent optical fiber is reduced; when the nose or the mouth inhales, the inspiratory airflow has a pulling effect on the pressure sensing sheet (12), the pressure sensing sheet (12) pulls the optical fiber ring (5) through the pressure sensing sheet bracket (7) to increase the curvature radius of the first slightly-bent section (6), the second slightly-bent section (19) and the third slightly-bent section (20), the attenuation of the optical fiber is reduced, and the light intensity in the emergent optical fiber is increased; the light intensity change is the sum of the light intensity changes of the first micro-bending section (6), the second micro-bending section (19) and the third micro-bending section (20), so that the sensitivity of the sensor is high; when the sensor is in a static state, the elasticity of the optical fiber ring (5) enables the pressure sensing sheet (12) to reset; the breathing pressure can be obtained by measuring the light intensity change degree in the emergent optical fiber.
CN201611239816.5A 2016-12-28 2016-12-28 Oxygen mask with respiration sensor Active CN106730222B (en)

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CN107091845A (en) * 2017-07-09 2017-08-25 盐城师范学院 Optical fiber type building seam monitoring probe

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US5056513A (en) * 1989-05-29 1991-10-15 Revo' Air Micro-air-wave detection device particularly for breathing monitoring and surveillance
CN1116404A (en) * 1993-01-19 1996-02-07 奥泼特温公司 Method, sensor and device to sense breathing
TW201231105A (en) * 2011-01-21 2012-08-01 Nat Defense Medical Ct Positive and negative pressure air supplying device for upper gastrointestinal endoscopy
CN103987427A (en) * 2011-10-26 2014-08-13 埃尔瓦有限公司 Air-treatment mask systems, and related methods and air-treatment masks

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CN204766941U (en) * 2015-07-01 2015-11-18 南通大学附属医院 Facial decompression of respirator is filled up

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US5056513A (en) * 1989-05-29 1991-10-15 Revo' Air Micro-air-wave detection device particularly for breathing monitoring and surveillance
CN1116404A (en) * 1993-01-19 1996-02-07 奥泼特温公司 Method, sensor and device to sense breathing
TW201231105A (en) * 2011-01-21 2012-08-01 Nat Defense Medical Ct Positive and negative pressure air supplying device for upper gastrointestinal endoscopy
CN103987427A (en) * 2011-10-26 2014-08-13 埃尔瓦有限公司 Air-treatment mask systems, and related methods and air-treatment masks

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