WO2021203587A1 - Dispositif d'occlusion portatif destiné à la mesure de la fonction pulmonaire, et dispositif et système de mesure - Google Patents

Dispositif d'occlusion portatif destiné à la mesure de la fonction pulmonaire, et dispositif et système de mesure Download PDF

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Publication number
WO2021203587A1
WO2021203587A1 PCT/CN2020/105156 CN2020105156W WO2021203587A1 WO 2021203587 A1 WO2021203587 A1 WO 2021203587A1 CN 2020105156 W CN2020105156 W CN 2020105156W WO 2021203587 A1 WO2021203587 A1 WO 2021203587A1
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WO
WIPO (PCT)
Prior art keywords
blocking
handheld
measurement
host
housing
Prior art date
Application number
PCT/CN2020/105156
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English (en)
Chinese (zh)
Inventor
徐成喜
徐孟哲
Original Assignee
徐成喜
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Filing date
Publication date
Application filed by 徐成喜 filed Critical 徐成喜
Publication of WO2021203587A1 publication Critical patent/WO2021203587A1/fr

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/08—Detecting, measuring or recording devices for evaluating the respiratory organs
    • A61B5/091—Measuring volume of inspired or expired gases, e.g. to determine lung capacity
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/08—Detecting, measuring or recording devices for evaluating the respiratory organs
    • A61B5/087—Measuring breath flow
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32—Details
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/02—Construction of housing; Use of materials therefor of lift valves
    • F16K27/029—Electromagnetically actuated valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
    • F16K31/0644—One-way valve
    • F16K31/0655—Lift valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
    • F16K31/0675—Electromagnet aspects, e.g. electric supply therefor
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
    • G05B19/0423—Input/output

Definitions

  • the present invention relates to the technical field of occlusion of pulmonary function measurement, and more specifically, the present invention relates to a handheld pulmonary function measurement occlusion device, measurement device and system.
  • SOT single blocking technique
  • Rint blocking technique
  • SOT single occlusion technology
  • Single occlusion technology utilizes the stretch reflex (Hering-Breuer reflex) of infants up to 12 months of age. Therefore, this technology can be used for children younger than 1 year old.
  • Rint technology is suitable for people in the age range from 1 to 100 years old.
  • This technique calculates the internal resistance of the airway and can be used for people who cannot produce peak flow and follow the instructions of the caregiver.
  • the spirometry technique is suitable for people in the age range of approximately 5-100 years. This technology measures peak flow and volume during forced deep exhalation and inspiration. For SOT/Rint measurements, three values are necessary to calculate the required breathing parameters: air flow, volume, and pressure. For spirometry variables, flow and volume values are necessary for calculating respiratory parameters.
  • the flow rate is measured using the time-of-flight principle of ultrasonic transducers. The time difference between the transducers that receive ultrasonic waves is the speed of the air flow between the transducers.
  • the gas volume is calculated by integrating the flow rate with time.
  • the transducer is composed of the transmitter and the receiver.
  • the disadvantages of the existing equipment include the inability to measure adult patients who cannot breathe spontaneously, and patients under the age of 2 who can breathe spontaneously; the existing SOT and Rint technologies are both optional modules based on expensive basic systems. Moreover, these systems use methods other than ultrasound to measure flow; various competing products are expensive desktop products, and there are no portable lung function devices that can evaluate infants, children, and the elderly who cannot perform spirometry; Existing The hand-held lung function respirator of the US uses a motor-driven actuator to block the airflow by abutting against the wall of the airflow tube. Since the motor is driven by a mechanical arm, the blocking time control accuracy of this method is not high.
  • the technical problem to be solved by the present invention is to provide a handheld lung function measurement blocking device, measuring device and system that can test various age groups and have high blocking time control accuracy.
  • the present invention provides a hand-held measurement blocking device for lung function, which includes a housing, a blocking module, a sensor, and an airflow tube.
  • the airflow tube penetrates the housing, and the blocking module is fixed at Inside the housing, the blocking module can block or open the airflow pipe, and at least one of the sensors is arranged in the airflow pipe.
  • the blocking module includes a cover, a fixing bracket, a slider, an electromagnetic chuck, a spring, a bearing, and a retaining ring
  • the fixing bracket includes a vent and an intermediate shaft
  • the first airflow tube is fixed on the fixing Below the bracket
  • the slider includes a circular tube on the left and an inverted T-shaped part on the right; the diameter of the circular tube on the left is the same as the diameter of the spring;
  • the circular cylinder on the left is matched with the intermediate shaft, the sliding block slides axially on the intermediate shaft, the bearing is mounted on the sliding block, and the retaining ring is mounted on the sliding block.
  • the right side of the block blocks the bearing, the electromagnetic chuck is fixed on the cover, the spring and the slider are installed in sequence, and the cylinder on the left side of the slider presses the spring.
  • the cover is fixed on the fixing bracket so that the inverted T-shaped part and the air vent are kept in a long closed state, and air flow cannot pass through.
  • a sensor which is integrated with the airflow pipe and is impermeable to water.
  • the housing is a handheld device.
  • it also includes at least one of a pressure sensor, a battery, and a digital electronic device.
  • the airflow pipe is provided with at least one sensor.
  • the senor is encapsulated in the housing filled with a sealant.
  • a pulmonary function measurement device comprising the pulmonary function hand-held measurement blocking device and a host
  • the host is arranged outside the housing, the host includes a microprocessor, and the microprocessor controls the measurement data and sends out With a blocking instruction, the host supplies power to the blocking module, and the host is connected to the blocking module through a USB interface.
  • the host is used to control the blocking module.
  • the electromagnetic chuck is energized to generate a magnetic force to attract the slider and compress the spring again, and the slider is axially leftward After moving, the inverted T-shaped part is separated from the vent, and the airflow tube is opened to achieve ventilation;
  • the electromagnetic chuck is de-energized and loses its magnetism, and the slider passes through the The elastic force of the spring is reset and restored to a normal occlusive state.
  • a lung function measurement system includes a lung function measurement device and a computer system.
  • the computer system includes user software, a database, and a calculation module.
  • the computer system communicates with the host via USB or Bluetooth.
  • the invention can simultaneously use SOT and Rint measurement technologies to measure gas flow, volume and pressure values; at the same time, electromagnetic blocking technology is used to make the blocking time accurately controllable.
  • the invention is suitable for patients aged 0-100 and normal people.
  • Fig. 1 is a schematic diagram of the external structure of a handheld lung function measurement blocking device according to a preferred embodiment of the present invention
  • FIG. 2 is a schematic diagram of the structure of the hand-held measurement blocking device for lung function in a closed state according to a preferred embodiment of the present invention
  • FIG. 3 is a schematic diagram of the airflow direction and structure of the handheld lung function measuring blocking device of a preferred embodiment of the present invention when the device is turned on;
  • FIG. 4 is a schematic structural diagram of a blocking module according to a preferred embodiment of the present invention.
  • FIG. 5 is a schematic structural exploded view of a blocking module according to a preferred embodiment of the present invention.
  • FIG. 6 is a schematic diagram of the structure of a functional measurement system according to a preferred embodiment of the present invention.
  • FIG. 7 is a schematic diagram of the airflow direction and structure of the handheld lung function measuring blocking device according to another preferred embodiment of the present invention when the device is turned on;
  • FIG. 8 is a schematic diagram of the airflow direction and structure of the handheld lung function measuring blocking device of another preferred embodiment of the present invention in an on state;
  • a hand-held pulmonary function measurement blocking device includes a housing 1, a blocking module 2, and an airflow tube 3.
  • the airflow tube 3 penetrates through the housing 1, and the blocking module 2 is fixed.
  • the blocking module 2 is in the middle of the air duct 3; the housing includes a lower housing 102, a mouth piece 103 and a housing upper 101.
  • the housing upper 101 is fixed above the housing lower 102, and the mouth piece 103 is fixed. In the middle of the right side of the housing upper 101 and the lower housing 102.
  • the airflow pipe 3 includes a first airflow pipe 301 and a second airflow pipe 302, and the blocking module 2 is located between the first airflow pipe 301 and the second airflow pipe 302 to block or open the airflow pipe 3.
  • the blocking module 2 includes a cover 201, a fixed bracket 202, a slider 203, an electromagnetic chuck 204, a spring 205, a bearing 206, and a retaining ring 207.
  • the fixed bracket 202 includes a vent 2021, an intermediate shaft 2022,
  • the first airflow tube 301 is below the fixed bracket 202;
  • the slider 203 includes a circular tube on the left and an inverted T-shaped part on the right; the diameter of the circular tube on the left of the slider 203 is the same as the diameter of the spring 205;
  • the block 203 slides axially on the intermediate shaft 2022 of the fixed bracket 202, the slider 203 matches the intermediate shaft 2022, the bearing 206 is mounted on the slider 203, the retaining ring 207 is mounted on the right side of the slider 203 to block the bearing 206, and the electromagnetic chuck 204 is fixed on the cover 201, and the spring 205 and the slider 203 are installed in sequence.
  • the cylinder on the left side of the slider 203 presses the spring 205, and the cover 201 is fixed on the fixed bracket 202 so that the right side of the slider 203 is inverted.
  • the T-shaped part and the vent 2021 of the fixed bracket 202 are kept in a long closed state, and air flow cannot pass through.
  • the blocking module 2 shown in FIG. 3 when the host sends a work command, the electromagnetic chuck 204 is energized to generate a magnetic force to attract the slider 203 and compress the spring 205 again.
  • the inverted T-shaped part is separated from the vent 2021 of the fixed bracket 202, and the airflow tube is opened to achieve ventilation; when the host issues a cancel work order, the electromagnetic chuck 204 loses its magnetism when the power is cut off, and the slider 203 is reset by the elastic force of the spring 205 and returns to normal State (long closed state).
  • the components of the magnetron can be blocked and opened instantly, which is more accurate than the traditional motor-driven mechanical arm blocking method.
  • At least one sensor is arranged in the airflow pipe, and the measurement parameters include air flow, volume and pressure.
  • a hand-held pulmonary function measurement blocking device includes a casing 1, a blocking module 2, and an airflow tube 3.
  • the airflow tube 3 penetrates through the casing 1, and the blocking module 2 is fixed.
  • the blocking module 2 is in the middle of the air duct 3; the housing includes a lower housing 102, a mouth piece 103, and a housing upper 101.
  • the housing upper 101 is fixed above the lower housing 102, and the mouth piece 103 is fixed. In the middle of the right side of the housing upper 101 and the lower housing 102.
  • the airflow pipe 3 includes a first airflow pipe 301 and a second airflow pipe 302, and the blocking module 2 is located between the first airflow pipe 301 and the second airflow pipe 302 to block or open the airflow pipe 3.
  • the slider in the blocking module adopts an upper and lower structure.
  • the slider is a cylinder.
  • One section of the slider has two rings of elastic pistons.
  • the elastic pistons are closely matched with the outer wall.
  • the slider moves up and down through electromagnetic control to block or open the airflow pipe.
  • a sensor is set in the airflow pipe, and the measurement parameters include air flow, volume and pressure.
  • a handheld lung function measurement blocking device includes a casing 1, a blocking module 2, and an airflow tube 3.
  • the airflow tube 3 penetrates through the casing 1, and the blocking module 2 is fixed.
  • the blocking module 2 is in the middle of the air duct 3; the housing includes a lower housing 102, a mouth piece 103 and a housing upper 101.
  • the housing upper 101 is fixed above the housing lower 102, and the mouth piece 103 is fixed. In the middle of the right side of the housing upper 101 and the lower housing 102.
  • the airflow pipe 3 includes a first airflow pipe 301 and a second airflow pipe 302, and the blocking module 2 is located between the first airflow pipe 301 and the second airflow pipe 302 to block or open the airflow pipe 3.
  • the slider in the blocking module adopts a left and right structure.
  • the slider is a cylinder.
  • One section of the slider has two rings of elastic pistons.
  • the elastic pistons are tightly matched with the outer wall.
  • the slider moves horizontally through electromagnetic control to block or open the airflow pipe.
  • At least one sensor is arranged in the airflow pipe, and the measurement parameters include air flow, volume and pressure.
  • the airflow pipe includes a first airflow pipe and a second airflow pipe.
  • the blocking module is located between the first airflow pipe and the second airflow pipe to block or open the airflow pipe.
  • the airflow tube includes a replaceable flexible tube.
  • the airflow pipe includes a rigid wall to place the rigid elastic pipe and provide support for the elastic pipe.
  • the elastic tube is a silicone rubber tube. It also includes a host. The host is set outside the shell. The host is used to control the blocking module. When the host sends a work command, the electromagnetic chuck is energized to generate a magnetic force to attract the slider and compress the spring again.
  • the inverted T-shaped part on the side is separated from the vent of the fixed bracket, and the airflow tube is opened to realize ventilation; when the host issues a cancel work command, the electromagnetic chuck loses its magnetism when the power is turned off, and the slider is reset by the elastic force of the spring to return to a normal air-tight state.
  • It also includes a sensor, which is integrated with the airflow pipe and is impervious to water. The sensor is enclosed in a housing filled with sealant.
  • the shell is a handheld device.
  • the air flow pipe is provided with at least one sensor.
  • the lower part of the shell and the upper part of the shell are arranged so as to be easy to disassemble and replace the elastic pipeline.
  • the measuring device further includes at least one of a pressure sensor, a battery, and a digital electronic device.
  • a pulmonary function measurement device includes the above-mentioned hand-held pulmonary function measurement blocking device and a host.
  • the host is arranged outside the housing.
  • the host includes a microprocessor.
  • the microprocessor controls the measurement data and sends out the resistance.
  • the host computer supplies power to the blocking module, and the host is connected to the blocking module through the USB interface.
  • the host is used to control the blocking module.
  • the electromagnetic chuck is energized to attract the slider and compress the spring again.
  • the inverted T-shaped part is separated from the vent, and the air flow tube is opened to achieve ventilation; when the host issues a cancel work order, the electromagnetic chuck loses its magnetism when the power is turned off, and the slider is reset by the elastic force of the spring to return to the normal air-tight state .
  • a pulmonary function measurement system includes the above-mentioned pulmonary function measurement device and a computer system.
  • the computer system includes user software, a database, and a calculation module.
  • the computer system communicates with the host via USB or Bluetooth.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Pulmonology (AREA)
  • Pathology (AREA)
  • Molecular Biology (AREA)
  • Biophysics (AREA)
  • Electromagnetism (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Physiology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)

Abstract

Sont divulgués, un dispositif d'occlusion portatif destiné à la mesure de la fonction pulmonaire, et un dispositif et un système de mesure. Le dispositif d'occlusion portatif destiné à la mesure de la fonction pulmonaire comprend un boîtier (1), un module d'occlusion (2), des capteurs et un tuyau d'écoulement de gaz (3), le tuyau d'écoulement de gaz (3) pénétrant dans le boîtier (1) ; le module d'occlusion (2) est fixé à l'intérieur du boîtier (1) ; le module d'occlusion (2) peut occlure ou ouvrir le tuyau d'écoulement de gaz (3) ; et au moins un capteur est disposé dans le tuyau d'écoulement de gaz (3). Les techniques de mesure SOT et Rint peuvent être utilisées pour mesurer le débit de gaz, les valeurs de capacité et de pression. Le dispositif d'occlusion portatif destiné à la mesure de la fonction pulmonaire utilise une technique d'occlusion électromagnétique pour obtenir un temps d'occlusion précis et commandable, et est approprié pour des patients et des personnes normales âgées de 0 à 100 ans.
PCT/CN2020/105156 2020-04-10 2020-07-28 Dispositif d'occlusion portatif destiné à la mesure de la fonction pulmonaire, et dispositif et système de mesure WO2021203587A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202010281396.7A CN111407283A (zh) 2020-04-10 2020-04-10 一种肺功能手持测量阻断装置、测量装置和系统
CN202010281396.7 2020-04-10

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WO2021203587A1 true WO2021203587A1 (fr) 2021-10-14

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111407283A (zh) * 2020-04-10 2020-07-14 苏州健通医疗科技有限公司 一种肺功能手持测量阻断装置、测量装置和系统

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5233998A (en) * 1989-09-11 1993-08-10 Micro Medical Ltd. Apparatus for measuring airway resistance
US6066101A (en) * 1998-04-20 2000-05-23 University Of Maryland Airflow perturbation device and method for measuring respiratory resistance
US20020020410A1 (en) * 2000-06-29 2002-02-21 Goran Rydin Method and arrangement for evaluating effective flow resistance of a patient breathing circuit
WO2012004793A1 (fr) * 2010-07-06 2012-01-12 Pulmone Advanced Medical Devices, Ltd. Système et procédés de mesure de volumes pulmonaires
CN111407283A (zh) * 2020-04-10 2020-07-14 苏州健通医疗科技有限公司 一种肺功能手持测量阻断装置、测量装置和系统

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5233998A (en) * 1989-09-11 1993-08-10 Micro Medical Ltd. Apparatus for measuring airway resistance
US6066101A (en) * 1998-04-20 2000-05-23 University Of Maryland Airflow perturbation device and method for measuring respiratory resistance
US20020020410A1 (en) * 2000-06-29 2002-02-21 Goran Rydin Method and arrangement for evaluating effective flow resistance of a patient breathing circuit
WO2012004793A1 (fr) * 2010-07-06 2012-01-12 Pulmone Advanced Medical Devices, Ltd. Système et procédés de mesure de volumes pulmonaires
CN111407283A (zh) * 2020-04-10 2020-07-14 苏州健通医疗科技有限公司 一种肺功能手持测量阻断装置、测量装置和系统

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