WO2016180243A1 - Tube d'aspiration de mucus - Google Patents

Tube d'aspiration de mucus Download PDF

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Publication number
WO2016180243A1
WO2016180243A1 PCT/CN2016/080548 CN2016080548W WO2016180243A1 WO 2016180243 A1 WO2016180243 A1 WO 2016180243A1 CN 2016080548 W CN2016080548 W CN 2016080548W WO 2016180243 A1 WO2016180243 A1 WO 2016180243A1
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WO
WIPO (PCT)
Prior art keywords
coughing
port
tube
suction
suction hole
Prior art date
Application number
PCT/CN2016/080548
Other languages
English (en)
Chinese (zh)
Inventor
白海波
许庆宾
徐恒谦
韩广
张路
Original Assignee
濡新（北京）科技发展有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 濡新（北京）科技发展有限公司 filed Critical 濡新（北京）科技发展有限公司
Publication of WO2016180243A1 publication Critical patent/WO2016180243A1/fr

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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
    • A61M16/0051—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes with alarm devices
    • 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
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • 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
    • A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/02—Access sites

Definitions

  • This invention relates to medical devices and, more particularly, to a coughing circuit for both coughing machines and ventilators.
  • Invasive ventilation refers to mechanical ventilation that requires artificial airway access through oral or nasal tracheal intubation or tracheotomy. After the artificial airway is established in critically ill patients, their cough reflex is weakened, the upper respiratory tract warming and humidifying function is deprived, the cilia self-cleaning effect is weakened, and airway secretion is increased (see “Standard airway management mode for the quality of adult critically ill patients in the hospital. Impact [J]", Tang Guirong, Jiang Shiyin, Huaxia Medical, 2011, 24 (2): 216-217), timely and effective cleaning of the respiratory tract is one of the key factors to ensure effective mechanical ventilation treatment and save critically ill patients.
  • sucking can lead to unnecessary tracheal mucosal damage, increase the risk of lung infection, aggravate hypoxemia and acute left heart failure; if the sucking is not timely, it may cause airway patency, reduced ventilation, suffocation or even arrhythmia. Studies have shown that sucking may cause the following complications, such as arrhythmia, airway damage, increased intracranial pressure, hemodynamic abnormalities, etc., thus affecting the rehabilitation of patients.
  • the principle of the automatic coughing machine is to simulate a normal person's physiological coughing mechanism, and after the ventilator applies an inspiratory flow to the patient, rapidly apply a sudden and short expiratory flow to the patient to promote the patient's airway.
  • the secretions are discharged outward.
  • the coughing machine needs to establish a gas passage that is in effective communication with the ventilator and the patient during operation, and needs to be able to control the opening and closing of the airway between the ventilator and the patient, and can also monitor the mechanical ventilation of the patient, such as inhalation. Point, exhalation start and end point, tidal volume, respiratory pressure, etc. Therefore, for a fully automatic coughing machine, a coughing line that matches its function is required.
  • the respiratory pipelines used in clinical practice mainly include single-line type and double-line type.
  • the structure and material of the breathing pipeline will be different.
  • the single line establishes a one-way gas passage between the anesthesia machine or the ventilator and the mask for conveying the gas output from the anesthesia machine or the ventilator through the breathing valve to the mask for inhalation by the patient, and the gas exhaled by the patient passes through the mask.
  • Figure 1 shows a two-line reinforced reinforced water cup type breathing circuit.
  • the dual tubing is used to establish a breathing connection between the anesthesia machine or the ventilator and the patient.
  • the dual line includes a line 54 and a line 55, the ports of which are connected together by a Y-shaped member 52 and connected to the patient's airway through a adapter 51.
  • the line 55 is for delivering the gas output from the anesthesia machine or the ventilator to the patient, and the line 54 is for exhaling the gas exhaled by the patient through the anesthesia machine or the ventilator.
  • a water jacket cup 53 is disposed on the pipeline 54 for treating condensation in the pipeline and maintaining normal ventilation of the pipeline to reduce the risk of liquid entering the interior of the ventilator or the patient's respiratory tract through the pipeline.
  • Existing breathing circuits can only establish a gas path between the ventilator and the patient. Connected, it is not possible to connect a fully automatic synchronous cough machine.
  • the object of the present invention is to provide a coughing tube for a fully automatic synchronous coughing machine to meet the establishment of a fully automatic synchronous coughing machine, to connect the ventilator and the patient's airway, to control the ventilation of the ventilator, and to monitor the patient.
  • the object of the present invention is to invent a coughing tube having three pneumatic circuit ports, wherein the first pneumatic circuit port is connected to the patient through a tracheal intubation (patient circuit), and the second pneumatic circuit interface Connected to the ventilator through the breathing circuit, the third pneumatic interface is connected to the fully automatic synchronous coughing machine to establish a pneumatic connection between the patient, the ventilator, and the fully automatic synchronous coughing machine, and can be based on the patient's Breathing conditions and coughing set the ventilator airway in the airway connection on or off in a timely manner to provide a pneumatic foundation for the normal operation of the fully automatic synchronous coughing machine.
  • the coughing tube of the present invention includes a three-way valve
  • the three-way valve includes: a body having a closed space therein, the body is provided with a first port, a second port and a third port, wherein the first port a ventilator port in communication with the ventilator, the second port being a coughing machine port in communication with the coughing machine, the third port acting as a patient port in communication with the patient's airway; the first port being closable by deformation
  • An elastic member disposed in the body at a junction of the first port and the body; and an intake and exhaust port, the intake and exhaust ports being disposed on the body, and the air inlet or exhaust through the intake and exhaust ports can be elastic Component deformation;
  • the coughing tube of the present invention further includes a measurement and control line for transmitting a gas pressure signal collected from the three-way valve and the throttling device to the coughing machine, and the coughing machine controls the said through the measuring and controlling line Intake or exhaust of the intake and exhaust ports.
  • the structural form and materials used are convenient for sterilization, and mass production can be supplied in a sterile state.
  • Figure 1 shows the structure of a prior art breathing circuit.
  • Fig. 2 is a structural view showing a first embodiment of the coughing tube of the present invention.
  • Fig. 3 is a perspective view showing a first embodiment of the three-way valve of the present invention.
  • Figure 4 is a cross-sectional view showing the three-way valve shown in Figure 3 in a first state.
  • Figure 5 is a cross-sectional view showing the three-way valve shown in Figure 3 in a second state.
  • Figure 6 is a blasting view of a second embodiment of the three-way valve of the present invention.
  • Figure 7 is a cross-sectional view of the three-way valve shown in Figure 6.
  • Figure 8 is a cross-sectional view showing a third embodiment of the three-way valve of the present invention.
  • Figure 9 is a perspective cross-sectional view of the elastic member of Figure 8.
  • FIG. 10 is a perspective view of the throttle device of the present invention.
  • Figure 11 is a cross-sectional view of the throttling device shown in Figure 10.
  • Figure 12 is a structural view showing a second embodiment of the coughing tube of the present invention.
  • Figure 13 is a perspective view of a first embodiment of a pipe clamp of the present invention.
  • Figure 14 is a front elevational view of the pipe clamp shown in Figure 13;
  • Figure 15 is a perspective view of a second embodiment of the pipe clamp of the present invention.
  • Figure 16 is a front elevational view of the pipe clamp shown in Figure 15.
  • Figure 17 is a perspective view of a row pipe.
  • Figure 18 is a front elevational view of the row pipe of Figure 17.
  • Figure 19 is a perspective view of the suction cap of the present invention.
  • Figure 20 is a perspective view of another perspective view of the suction cap of the present invention.
  • Figure 21 is a front elevational view of the suction cap of Figure 19.
  • Figure 22 is a cross-sectional view taken along line B-B of Figure 21 .
  • Figure 23 is a plan view showing the suction cap of Figure 19 after deployment.
  • Figure 24 is a cross-sectional view taken along line A-A of Figure 23 .
  • Figure 25 is a perspective view of a first embodiment of a measurement and control line joint of the present invention.
  • Figure 26 is a front elevational view of the metering and control line connector of Figure 25.
  • Figure 27 is a cross-sectional view taken along line A-A of Figure 26.
  • Figure 28 is a perspective view of a second embodiment of the measurement and control line joint of the present invention.
  • Figure 29 is a front elevational view of the control and control line connector of Figure 28.
  • Figure 30 is a side elevational view of the metering and control line connector of Figure 28.
  • Figure 31 is a structural view showing a third embodiment of the coughing tube of the present invention.
  • Fig. 2 shows a structural view of an embodiment of the coughing tube of the present invention.
  • the coughing circuit comprises a three-way valve 4, a measuring and controlling line 2 and a coughing machine hose 9.
  • the three-way valve 4 is used to connect three gas paths: a ventilator gas path, a coughing machine gas path, and a patient gas path.
  • the three-way valve 4 is connected to the ventilator, the coughing machine, and the patient through the ventilator line, the coughing machine line, and the patient line, respectively.
  • the coughing machine monitors the patient's breathing condition according to the collected pressure and flow signal of the patient's breathing, determines whether the patient's breathing meets the coughing requirement, and determines the coughing start and end time.
  • the coughing machine closes the coughing machine hose 9 through its internal valve, so that the ventilator line communicates with the patient's airway, and the ventilator normally mechanically ventilates the patient.
  • the three-way valve 4 is operated through the measuring and controlling line 2 to close the ventilator line, so that the coughing machine hose 9 communicates with the patient line and is generated in the coughing machine hose 9. Negative pressure to assist the patient to cough.
  • the coughing machine line further comprises a throttling device 20, the throttling device 20, the measuring and controlling line 2 and the pressure sensor in the coughing machine constitute a differential pressure type flow meter.
  • the throttling device 20 adopts the venturi principle.
  • the throttling device 20 is provided with two pressure detecting ports on the upper and lower sides (in the vertical direction shown in FIG. 2), and detects the pressure of the passing gas and transmits through the measuring and controlling pipeline 2. Go to the coughing machine (not shown).
  • the throttling device 20 is connected to the ventilator port 17, which in turn is connected to the ventilator (which can be connected to the ventilator via a hose).
  • the coughing machine hose 9 is a threaded tube, and the inner wall of the threaded tube is smooth and has no wrinkles or grooves, so that the resistance of the gas flowing through the threaded tube is small, which is beneficial to ensure the coughing effect.
  • the coughing machine hose 9 can also be in the form of a common breathing tube structure such as a bellows or a retractable breathing tube.
  • the coughing tube of the invention is a three-way pipeline structure, which is respectively connected with a patient, a ventilator and a coughing machine; and the ventilation of the ventilator air passage is controlled by the balloon valve, and the ventilator airway is cut off simultaneously. Coughing action.
  • the coughing tube of the present invention has a pressure and flow signal collecting point, and the coughing machine can monitor the patient's breathing condition (including parameters such as exhalation start and end point, inhalation start and end point, tidal volume, etc.), and can The patient's auxiliary drainage is completed with the mechanical ventilation of the ventilator interrupted, and the open manual suction and the closed manual suction can be completed without interrupting the mechanical ventilation of the ventilator.
  • Fig. 3 is a perspective view of a first embodiment of the three-way valve using a balloon as an elastic member.
  • Figure 4 is a cross-sectional view showing the three-way valve shown in Figure 3 in a first state.
  • Figure 5 is a cross-sectional view showing the three-way valve shown in Figure 3 in a second state.
  • the three-way valve includes a body 15 having a closed space inside.
  • the body 15 is provided with an intake and exhaust port 21, the body 15 is also provided with three airway ports: a first port (ventilator port) 17, a second port (cough machine port) 18 and a third port (patient port) 19, so that three gas paths can be connected : ventilator airway, coughing machine circuit and patient airway.
  • the ventilator port 17 is connected to the ventilator through a breathing hose (not shown) to form a ventilator airway.
  • the coughing machine port 18 is connected to the coughing machine via a coughing machine hose 9 to form a coughing machine circuit.
  • the patient port 19 is connected to the patient's airway through the patient's tubing to form a patient's airway, thereby establishing an airway connection between the patient, the ventilator, and the coughing machine.
  • the ventilator port 17, the coughing port 18, and the patient port 19 are inner or outer conical joints that conform to industry standards ("YY 1040.1-2003 Anesthesia and Respiratory Conical Joints Part 1: Cone and Taper Sets"). It can be 15mm or 22mm.
  • the body 15 is a hollow structure. Inside the body 15, at the junction of the body 15 and the ventilator port 17, an elastic member 16 is provided, and the first port 17 can be closed after the elastic member 16 is deformed.
  • the elastic member 16 is shown as a balloon 16 (see FIG. 4), and the balloon 16 is exemplified below, but the scope of protection of the present invention is not limited thereto, and components having the same working principle can be applied to the present invention. It is included in the present invention.
  • the balloon 16 can be inflated and vented.
  • the inflation and exhaust of the balloon 16 is achieved through the intake and exhaust ports 21.
  • the intake and exhaust port 21 is connected to the balloon 16.
  • the balloon 16 can enclose the ventilator port 17 after inflation, causing the ventilator line to close.
  • the coughing machine inflates the inside of the balloon 16 via the intake and exhaust port 21, causing the balloon 16 to expand and close the ventilator port 17.
  • venting is required, the coughing machine opens the intake and exhaust port 21, and the balloon 16 is vented, causing the balloon 16 to contract to a natural state and open the ventilator port 17.
  • the balloon 16 when the ventilator is operating normally, the balloon 16 is in a natural state, i.e., unexpanded, and the gas supplied by the ventilator is delivered to the patient through the ventilator port 17, patient port 19.
  • the coughing machine applies a coughing action to the patient, the coughing device inflates the balloon 16, and the balloon 16 expands and closes the ventilator port 17.
  • Figure 4 shows a cross-sectional view of the three-way valve 4 in an open state, at which point the ventilator port 17 is open and the airflow provided by the ventilator can be delivered to the patient through the ventilator port through the three-way valve 4.
  • Figure 5 shows a cross-sectional view of the three-way valve 4 in a closed state, with the ventilator port 17 closed by the inflated balloon 16, which can apply a coughing action to the patient.
  • the balloon 16 can be replaced with other switches or valves as long as it can be controlled to open or block the ventilator port 17.
  • a patient airway pressure detecting port 22 is disposed on the patient port 19.
  • the measuring and controlling line 2 transmits the pressure signal collected from the patient airway pressure detecting port 22 and the ventilator port 17 on the three-way valve to the coughing machine, and transmits the pneumatic control signal given by the coughing machine to the balloon 16 .
  • the measuring and controlling pipeline 2 is a connecting pipe, and according to actual needs, a more or less number of connecting pipes of the number of pipes can be selected as the measuring and controlling pipe 2.
  • Detecting the patient's airway pressure is the basis for the coughing machine to judge the patient's breathing condition, such as judging the patient's respiratory rate, breathing start and stop time, peak respiratory pressure, etc., and in order to be able to malfunction in the ventilator or the balloon valve, the ventilator cannot be ventilated.
  • the ventilator cannot be ventilated.
  • the coughing machine can give an alarm. .
  • the three-way valve should maintain the vertical state shown in Figure 3, so as to prevent sputum and other secretions from contaminating the balloon 16, while also avoiding sputum and other secretions contaminating the patient's airway pressure detection port 22 Or balloon 16.
  • Figure 6 is a blasting view of a second embodiment of the three-way valve.
  • Figure 7 is a cross-sectional view of the three-way valve shown in Figure 6.
  • the body 15 includes a first body member 15A, a second body member 15B, and a third body member 15C that are engaged with the combined cost body 15.
  • the body 15 is designed to be detachable for ease of replacement of the balloon 16 which is relatively easy to lose.
  • a ventilator port 17 and a coughing machine port 18 are provided on the first body member 15A.
  • a patient port 19 is disposed on the second body member 15B.
  • the second body member 15B has an opening therein, and the opening The apertures are aligned with the capsules of the balloon 16 and are of uniform size.
  • the third body member 15C is provided with an intake and exhaust port 21.
  • the intake and exhaust port 21 is small, and the capsule port of the balloon 16 is relatively large, so the third body member 15C has a cover that covers the second body member 15B and is aligned with the capsule mouth of the balloon 16.
  • the opening has a small hole, and the small hole communicates with the intake and exhaust port 21.
  • the balloon 16 is placed adjacent the interface of the ventilator port 17 and the body 15 to form a separate enclosed space with the body.
  • a rib 17A is placed at the interface, and when the balloon is inflated, the rib 17A can restrain the balloon 16 from excessive deformation of the bottom of the balloon 16.
  • the preferred use state of the three-way valve 4 is vertical.
  • the use state of the three-way valve 4 may be flat (as shown in FIG. 6), and when horizontally placed, there may be condensed water, sputum, etc. flowing to the three-way valve and collected therein, in order to prevent These fluids affect the three-way valve, particularly the balloon 16.
  • a blocking step 17B may be provided inside the three-way balloon valve housing.
  • the barrier step 17B is disposed inside the body 15 between the connection port of the ventilator port 17 and the body 15, the connection port of the coughing machine port 18 and the body 15.
  • the barrier step 17B has a height to block the condensed water, sputum, and the like.
  • the barrier step 17B does not divide the body 15 into two confined spaces because the body 15 is a tee that requires ventilator port 17, cougher port 18, and patient port 19 to be ventilated.
  • the barrier step 17B is provided on the first body member 15A and the second body member 15B as shown in FIG.
  • the ventilator port, the coughing machine port, and the patient port are inner conical joints or outer diameters in accordance with industry standards ("YY1040.1-2003 anesthesia and respiratory equipment conical joints Part 1: cone and taper sleeves”) Conical joint, wherein the ventilator port and the patient port are 15 mm inner conical joints, and the coughing machine port is a 15 mm outer conical interface.
  • the ventilator port 17 and the cougher port 18 are connected obliquely to the body 15 in opposite directions in order to leave room for connection to the ventilator tubing (not shown) and the cougher hose 9.
  • FIG. 7 to 9 show a third embodiment of the three-way valve 4, which is based on the first embodiment, replacing the balloon 16 with the sheet diaphragm 23.
  • the structure of the third body member 15C is changed to be suitable for fixing the sheet diaphragm 23, and a separate closed space can be formed therewith.
  • the sheet diaphragm 23, like the balloon, can be deformed by compressed gas to close the ventilator port 17.
  • FIG. 9 shows an isometric cross-sectional view of a sheet diaphragm 23.
  • Figure 8 is a cross-sectional view showing a three-way valve using the sheet diaphragm shown in Figure 9 as an elastic member.
  • the sheet diaphragm 23 has a faster response speed and a better sealing effect than the balloon 16, but the balloon 16 has higher reliability.
  • the three-way valve 4 can be used not only for the gas path but also for the liquid.
  • the structure of the throttle device 20 will be described in detail below with reference to FIGS. 10 and 11.
  • FIG. 10 shows a perspective view of the throttling device 20
  • FIG. 11 shows a cross-sectional view of the throttling device 20
  • the throttle device 20 is a section of a circular tube comprising: a first steady flow section 20A, a throat 20B and a second steady flow section 20C.
  • the throat 20B is located between the first steady flow section 20A and the second steady flow section 20C.
  • the inner diameter of the throttle device 20 is not uniform, and the inner diameter of the throat portion 20B is smaller than the first steady flow portion 20A and the second constant flow portion 20C.
  • the pressure of the fluid flowing through the throat before flowing through the throat is not zero due to the smaller flow cross section, and the difference is The flow rate of the fluid can be inferred.
  • the inner diameters of the first steady flow section 20A and the second steady flow section 20C are constant or vary little. If the inner diameter is varied, then the trend is that the closer to the throat 20B, the smaller the inner diameter.
  • the first steady flow section 20A and the second steady flow section 20C are connected to the inner surface of the throat 20B by a circular arc transition.
  • the inner diameters of the first steady flow section 20A and the second steady flow section 20C are larger than the inner sides of the interface portions at both ends of the round pipe The path is small.
  • a pressure collecting port 31 is provided in front of and behind the throat 20B.
  • two pressure collecting ports 31 are respectively disposed on the first steady flow section 20A and the second steady flow section 20C.
  • the throttling device 20 is of a symmetrical structure, taking a plane perpendicular to the axis of the main body of the throttling device and having the same distance from both ends, and the throttling device has a symmetrical structure with respect to the plane.
  • both ends of the throttling device 20 are sized to meet the snorkel industry standard to facilitate access to the breathing circuit and to the three-way valve 4.
  • an industry standard taper joint size of 15 mm gauge is used.
  • the throat 20B has a minimum inner diameter of 8 mm and the throat 20B has a length of 2.5 mm.
  • the first constant flow section 20A and the second steady flow section 20C have inner diameters of 10 mm and lengths of 10 mm, respectively.
  • the inner diameter of the pressure collecting port 31 on both sides of the throat 20B is 2.5 mm.
  • the pressure collection port 31 is 6 mm from the center of the throat 20B.
  • the throttling device 20 can be integrated with other pipelines or pipeline components, pipeline joints, pipeline valves, and the like.
  • the material of the throttle device 20 may be PP (polypropylene), PE (polyethylene), ABS (acrylonitrile-butadiene-styrene copolymer), PVC (polyvinyl chloride), nylon (polyamide fiber), etc.
  • Polymer materials can also be other materials, such as stainless steel, aluminum alloy and other metal materials.
  • Figure 12 shows another preferred embodiment of the cough line of the present invention.
  • the present embodiment on the basis of the first embodiment of the coughing tube of the present invention, more components are added to enable better cooperation with the coughing machine.
  • the pipe card 1 can make the measurement and control line 2 better arranged.
  • the structure of the pipe card 1 will be described below with reference to Figs. 13 to 18 .
  • the pipe card 1 is used to fasten the measurement and control line 2 to the outer surface of the coughing machine hose 9 by means of snapping.
  • the pipe card 1 comprises a pipe card body 41, and the pipe card body 41 is a notched ring (first notched ring), and the inner diameter of the ring is slightly smaller than the outer diameter of the coughing machine hose tube 9, for example, 2 mm, so that The coughing machine hose 9 is held tightly.
  • the material of the pipe card may be polymer materials such as PP (polypropylene), PE (polyethylene), ABS (acrylonitrile-butadiene-styrene copolymer), PVC (polyvinyl chloride), nylon (polyamide fiber). .
  • the advantage of using such a material is that the tube body 41 is relatively easy to open to fit into the cougher hose 9 during installation.
  • the material of the pipe clamp can also be other materials, such as stainless steel, aluminum alloy and other metal materials. The use of such materials requires a soft coughing machine hose 9 to be inserted into the tube body 41, but the tube card is durable and durable.
  • the central angle of the tube card body 41 is preferably greater than 180° and less than 360°, more preferably between 240° and 320°.
  • the wall width D of the pipe card main body 41 (see FIG. 13, that is, the distance between the front and rear planes of the ring of the pipe card main body 41) may be 0.5 mm or more and 10 mm or less, and the recommended value is 5 mm.
  • the wall thickness H of the pipe card body 41 (see FIG. 14 , the distance between the inner ring wall of the pipe card body 41 and the outer ring wall) may be greater than or equal to 0.5 mm and less than or equal to 5 mm, and the recommended value is 2 mm to 3 mm.
  • a second notched ring 42 is disposed on the outer ring surface of the pipe card body 41.
  • the second notched ring 42 is optimally positioned on the outer ring opposite to the annular notch of the pipe card body 41. More preferably, the notch of the second notched ring 42 is opposite to the direction of the annular notch opening of the pipe card body 41, and more preferably, the center of the two notches is in a straight line.
  • the second notched ring 42 is used for fixing the measuring and controlling line 2 to the tube card 1 by means of snapping, thereby realizing the purpose of fixing the measuring and controlling line 2 on the coughing machine hose 9 so that the measuring and controlling pipeline 2
  • the layout and direction of the use process are more reasonable, and the phenomenon of winding, knotting, and unintended bending is reduced.
  • the central angle of the second notched ring 42 must be greater than 180° and less than 360°, more preferably between 240° and 320°.
  • the wall width d2 of the second notched ring 42 (see FIG. 13, that is, the distance between the front and rear planes of the ring of the second notched ring 42) may be greater than or equal to 0.5 mm and less than or equal to 10 mm, and the recommended value is 5 mm. .
  • the wall thickness h2 of the second notched ring 42 (see FIG. 14 , the distance between the inner ring wall of the second notched ring 42 and the outer ring wall) may be greater than or equal to 0.5 mm and less than or equal to 3 mm, and the recommended value It is 1.5mm.
  • the wall width d2 of the second notched ring 42 may be equal to the wall width D of the pipe card body 41.
  • more small size notched rings can be added to the pipe card body 41 in order to secure more pipes.
  • the ends of the pipe card body 41 are respectively provided with two third notched rings 43.
  • the centers of the two third notched rings 43 are distributed on concentric circles centered on the center of the pipe card body 41.
  • the center angles of the two third notched rings 43 must be greater than 180° and less than 360°. More preferably, it is between 240° and 320°.
  • the wall width d3 of the third notched ring 43 (the distance between the front and rear planes of the ring of the third notched ring 43) may be 0.5 mm or more and 10 mm or less, and the recommended value is 5 mm.
  • the wall thickness h3 of the third notched ring 43 (the distance between the inner ring wall and the outer ring wall of the third notched ring 43) may be greater than or equal to 0.5 mm and less than or equal to 3 mm, and the recommended value is 1.5 mm.
  • the wall width d3 and the wall thickness h3 of the third notched ring 43 may be equal to the wall width d2 and the wall thickness h2 of the second notched ring 42.
  • Figures 15 to 16 show a second embodiment of a pipe clamp.
  • the outer ring surface of the pipe card body 41 is distributed with two notched ring-shaped annular rings 42.
  • the second notched ring 42 is optimally positioned with the pipe card body 41.
  • the annular ring is opposite to the outer ring, and is annularly symmetrical with respect to the annular center of the tube body 41 of the tube body 41.
  • the second notched ring 42 is used for fixing the measuring and controlling line 2 to the tube card 1 by means of snapping, thereby realizing the purpose of fixing the measuring and controlling line 2 on the coughing machine hose 9 so that the measuring and controlling line 2
  • the layout and direction of the process are more reasonable, and the phenomenon of winding, knotting, and unintended bending is reduced.
  • the notches of the two second notched rings 42 are relatively distributed.
  • the centers of the two second notched rings 42 are distributed on concentric circles centered on the center of the pipe card body 41, and the arc lengths between the centers of the two second notched rings 42 are measured and controlled.
  • the center line (see Figure 17) of the outermost two tubes is equal to the center line E (see Figure 18).
  • the inner diameter of the two second notched rings 42 is the same as the outer diameter of the row pipe.
  • the central angle of the two second notched rings 42 must be greater than 180° and less than 360°, more preferably between 240° and 320°.
  • the wall width d2 of the second notched ring 42 (the distance between the two faces of the ring of the second notched ring 42) may be greater than or equal to 0.5 mm and less than or equal to 10 mm, and the recommended value is 5 mm.
  • the wall thickness h2 of the second notched ring 42 (the distance between the inner ring wall and the outer ring wall of the ring of the second notched ring 42) may be greater than or equal to 0.5 mm and less than or equal to 3 mm, and the recommended value is 1.5 mm. .
  • the wall width d2 of the second notched ring 42 may be equal to the wall width D of the pipe card body 41 for ease of manufacture.
  • a circular arc recess 44 is further disposed on the outer surface between the two second notched rings 42 of the pipe card body 41, and the number of the arcuate recesses 44 is different from the pipe in the joint pipe except the two ends.
  • the number of tubes is the same.
  • the function of the arcuate recess 44 is to allow each of the lines of the bank to be snapped into a recess.
  • the inner diameter of the arcuate recess 44 is the same as the outer diameter of the tube of the interconnecting conduit.
  • the distance between the centers of the rings of two adjacent arcuate recesses 44 is equal to the distance between the centers of two adjacent tubes of the banker.
  • more small-sized notched rings may be disposed in other portions of the pipe card body 41, which may be present in pairs, may be single occurrences, or may be multiple simultaneous occurrences, and the size features are the same as above.
  • the purpose of adding more small size notched rings is to secure more of the row and individual lines to the coughing machine hose 9.
  • the third notched ring 43 is also included in the second embodiment, and its structure is the same as that of the first embodiment, and details are not described herein again.
  • the embodiment is directed to the disadvantage that the existing pipe fixing frame is inconvenient to fix the connecting pipe, and the coughing machine hose 9 is a single pipe, and the correspondingly dimensioned, open-faced notched ring is arranged on the fixing frame.
  • the joint pipeline can be more conveniently and effectively fixed on the fixing frame, so that the measuring and controlling pipeline 2 and the coughing machine hose 9 can form a bundle of stable and compact pipelines, so that the coughing machine hose 9 and the layout of the measuring and controlling pipeline 2 is more reasonable, and effectively improves the winding, knotting, unintended bending and the like of the measuring and controlling pipeline 2, and improves the efficiency and convenience of the installation operation.
  • the coughing sputum that the patient coughs when the coughing machine assists the patient's drainage is temporarily stored in the patient's pipeline, and then cleaned by the medical staff.
  • the breathing circuit, coughing machine line, and patient line need to be connected at all times. Even when cleaning the sputum, the patient line cannot be removed for cleaning.
  • the coughing tube of the present embodiment further includes a sputum joint 7 (see FIG. 12), and the sputum joint 7 is mounted on the patient port 19.
  • the sputum joint 7 is used to temporarily store sputum and other secretions discharged from the patient.
  • the sump joint 7 is a three-way joint. To enable storage, the sump joint 7 is designed to be connected by a horizontal pipe and a vertical pipe (horizontal and vertical with reference to the direction shown in Fig. 12). The horizontal pipe and the vertical pipe can be connected vertically, so that the storage joint 7 has a vertical direct port and two horizontal interfaces.
  • the interface of the vertical tube is connected to the patient port of the three-way valve 4.
  • An interface of the horizontal tube is connected to the patient connection hose 5, which can be sealed by the sealing cover 6 when the patient connection hose 5 is not installed.
  • the middle of the horizontal tube may have a downward recess for storage.
  • the other interface of the horizontal tube is covered by a suction cover 8.
  • the reservoir joint 7 is connected to the patient port of the three-way valve 4.
  • the road 2 is transferred to the coughing machine, which controls the opening or closing of the three-way valve 4 according to the gas pressure and a preset procedure.
  • the structure of the cough cap 8 will be described below with reference to Figs. 19 to 24 .
  • Figure 19 is a perspective view of the suction cap of the present invention.
  • Figure 20 is a perspective view of another perspective view of the suction cap of the present invention, in which a portion of the cover is cut away to clearly show the structure of the suction cap.
  • Figure 21 is a front elevational view of the suction cap of Figure 19.
  • Figure 22 is a cross-sectional view taken along line B-B of Figure 21 .
  • Figure 23 is a plan view showing the suction cap of Figure 19 after deployment.
  • Figure 24 is a cross-sectional view taken along line A-A of Figure 23 .
  • the suction cover 8 has a cover and side seals.
  • the side seals are used to wrap the nozzle of the sump joint 7.
  • the cover plate has a suction hole 24 and a suction hole block 25 for sealing the suction hole 24.
  • the suction cover 8 further includes a suction hole surrounding edge 37, and the suction hole surrounding edge 37 extends from the inner side of the cover plate to surround the suction hole. 24, concentric with the suction hole 24.
  • the suction hole surrounding edge 37 is annular and has a certain taper.
  • the side of the suction hole surrounding edge 37 that is in contact with the suction hole 24 has a larger diameter, the other side has a smaller diameter, and the smaller diameter side is called a suction hole.
  • the rim edge 38 and the suction hole rim 38 are used to fit the suction hole plug 25 to enhance the sealing property.
  • the suction plug 25 includes a plug 27 which is a cylinder and the head of the plug 27 has a conical shape for easy insertion into the suction hole 24.
  • a groove is provided at a distance from the head of the plug 27, the distance is such that the head can completely pass through the thickness of the cover body and fully fits with the suction hole edge 38, and can be appropriately enlarged. The distance.
  • the function of the groove is to insert the head of the plug 27 into the position of the groove.
  • the width of the groove is not less than the thickness of the cover plate around the suction hole 24, and the diameter of the suction hole block 25 at the groove is larger than the diameter of the suction hole 24, so that the suction hole 24 and the suction hole block 25 The sealing effect between the two is better.
  • the diameter of the suction hole 24 is slightly larger than the diameter of a suction tube (not shown) which is commonly used in the clinic, and the diameter of the suction hole 24 in the present embodiment is 4.8 mm.
  • the thickness of the cover around the suction aperture 24 is less than the thickness of the cover at other locations to facilitate insertion of the suction aperture plug 25 and insertion of suction tubes of different sizes (not shown).
  • the suction plug 25 further includes a pull handle 28.
  • the handle 28 is a projection projecting from the tail of the plug 27 to facilitate insertion and removal of the plug 27.
  • the figure shows that the shape of the handle 28 is a fan shape, and it is obvious that the handle 28 is not limited to this shape.
  • the suction plug 25 further includes a first connector 29.
  • One end of the first connecting member 29 is located at the junction of the plug 27 and the pull handle 28, and can be integrally formed with the plug 27 and the pull handle 28.
  • the other end of the first connecting member 29 is located on the side seal of the cover, and of course may be provided at other positions of the cover.
  • the suction cover 8 also has a retaining ring 26 which is connected to the cover side seal by a second connecting member 30, although it can of course also be provided at other positions of the cover.
  • the fixing ring 26 is sleeved on the vertical tube of the storage joint 7, so that the suction cover 8 does not fall off when the suction cover 8 is opened, and the suction cover 8 is conveniently covered after sucking.
  • the suction plug 25 can be pulled out from the suction hole 24, and a suction tube (not shown) is inserted from the suction hole 24 into the storage joint 7 for suction. There is no need to terminate the work of the ventilator and cough machine during this process.
  • Another method of using the suction cover 8 is to remove the suction cover 8 from the storage joint 7, so that the interface on the storage joint 7 that was previously closed by the suction cover 8 is fully opened, and only the retaining ring 26 is retained.
  • the medical staff can be used for sucking and other treatment. This type of usage causes the ventilator and cough machine to alert because the leak rate of the pneumatic system is too high.
  • the water collecting cup 10 can be connected between the two coughing machine hoses 9 to prevent the water vapor from condensing and returning to the patient.
  • the water collecting cup 10 has a cup body and a cup lid, and a tee tube is connected to the cup lid.
  • the two ports respectively connect the coughing machine hose 9 to the left and right, and the third port is connected to the cup body.
  • the end of the coughing machine hose 9 is connected to the bacteria filter 14.
  • the bacteria filter 14 is used to filter the gas extracted from the lungs of the patient and the airway to prevent the bacteria from contaminating the coughing machine.
  • the coughing machine should be connected to the measuring and controlling pipeline 2, and the measuring and controlling pipeline 2 has a plurality of pipelines. How to connect the multiple pipelines simply and correctly is very necessary. And for medical devices, it is also very important.
  • the measurement and control line 2 is connected to the coughing machine through the measurement and control line connector 12.
  • the metering line connector 12 can be locked to the coughing machine by a nut 11.
  • an O-ring 13 is added between the measurement and control line connector 12 and the coughing machine for ensuring the tightness between the test tube joint 12 and the corresponding interface of the coughing machine.
  • Figure 25 shows a first embodiment of the metering and control line joint 12 of the present invention for error proofing of multiple lines.
  • Figure 26 shows a front view of the metering and control line connector 12 shown in Figure 25.
  • Figure 27 shows a cross-sectional view along line A-A in Figure 26.
  • the gauge connection 12 includes a joint body 33 and an error proof pin 34.
  • the joint main body 33 can be designed to have a suitable shape and thickness as needed, and is shown in a disk shape in FIG.
  • the joint main body 33 has two error-proof pins 34 provided on the joint main body 33 side, that is, the mis-proof pins 34 are not symmetrically disposed on the joint main body 33.
  • the mis-correcting pin 34 may be located only on the side of the joint main body 33, that is, not penetrating the joint main body 33.
  • the joint main body 33 is provided with a plurality of holes for accommodating a line.
  • the error proof pin 34 is illustrated as a cylinder and may be other shapes as needed.
  • the function of the error-proof mounting pin 34 is to match the shape of the interface of the fitting into which the pipe joint 12 is inserted, and correspondingly, the fitting There should be an error-proof mounting hole (not shown) that accommodates the error-proof mounting pin 34.
  • the measurement and control line connector 12 can be attached to the accessory only when the error proof pin 34 is opposite the misalignment hole. Therefore, when the pipeline is correctly penetrated into the hole of the joint main body 33, it is ensured that the measuring and controlling pipe joint 12 is correctly connected with the fitting to be inserted, and the pipeline is not connected.
  • a specific pipeline is first installed in a specific hole on the joint main body 33, and then the measurement and control pipeline joint 12 is installed at a position to be installed, in this embodiment, a measuring and controlling tube installed in the coughing machine On the road mount (not shown).
  • the measurement and control pipe mounting seat is provided with an error-proof mounting hole (not shown) complementary to the mis-proof mounting pin 34, and a mounting hole (not shown) corresponding to each of the lines. Since the mis-proof mounting pin 34 is asymmetrically arranged, when the measuring and controlling pipe joint 12 is installed in the wrong installation manner, the anti-error pin 34 cannot enter the corresponding mis-correcting hole, and the anti-error pin 34 will be installed with the measuring and controlling pipe. Interference in the seat causes the control and control line connector 12 to be in the desired position. Because this kind of error is very easy to be noticed by the operator, it is possible to prevent the incorrect installation of the pipeline while connecting a plurality of pipelines at the same time.
  • the number of the mis-correcting pins 34 is two, but the number of the mis-correcting pins 34 is not limited to two, and may be one, three or other numbers.
  • the key to the error-proof mounting pin 34 having an effective anti-missing function is that it must be arranged asymmetrically on the measuring and controlling pipe joint 12. And the length of the anti-error pin should not be too short, otherwise it will weaken the function of the anti-error pin. In the present embodiment, the length of the error proof pin is 5 mm.
  • Figure 28 shows a perspective view of a second embodiment of the metered and controlled tubing connector 12 of the present invention.
  • Figure 29 is a front elevational view of the measurement and control line connector 12 of Figure 28.
  • Figure 30 is a side elevational view of the measurement and control line connector 12 of Figure 28.
  • the measurement and control pipe joint 12 of the present embodiment further includes a pipeline guiding pipe 35 which is located in the hole of the joint main body 33, and the pipeline guiding pipe 35 and the joint main body 33 One piece is formed.
  • the line guide tube 35 is inserted into the line.
  • the pipeline guiding pipe 35 has a hollow cylindrical structure, the outer surface has a taper, and the diameter is larger than the inner diameter of the pipeline. In the present embodiment, the diameter of the pipeline guiding pipe 35 is 1.5 mm larger than the inner diameter of the pipeline.
  • the line guide tube 35 facilitates the insertion and fixation of the pipeline.
  • the center of the joint main body 33 of the measurement and control pipe joint 12 of the present embodiment further has a deformation preventing hole 36.
  • the deformation preventing hole 36 helps to uniformly measure the material distribution of the pipe joint 12, thereby reducing the probability of unintended contraction deformation when the pipe joint 12 is formed and controlled. degree.
  • Figure 31 shows yet another embodiment of the cough line of the present invention.
  • the difference compared to the embodiment shown in Fig. 12 is that the reservoir joint 7 is replaced by a closed suction tube 23, thereby further reducing the incidence of cross infection.

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  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Public Health (AREA)
  • Pulmonology (AREA)
  • Vascular Medicine (AREA)
  • Emergency Medicine (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)

Abstract

La présente invention concerne un tube d'aspiration de mucus, comprenant une soupape (4) à 3 voies comportant un corps (15) de soupape comprenant un espace renfermé ménagé en son sein, et un premier orifice (17), un deuxième orifice (18) et un troisième orifice (19) ménagés sur celui-ci ; des composants élastiques (16, 23) entourant le premier orifice par déformation, et disposés au niveau d'une jonction du premier orifice (17) et du corps (15) de soupape ; un orifice (21) d'échappement de gaz ménagé au niveau du corps (15) de soupape et permettant la déformation des composants élastiques (16, 23) par la réception ou l'expulsion d'un gaz à travers celui-ci ; et un tube de détection et de commande (2) conçu pour transmettre à un dispositif d'aspiration de mucus un signal indiquant une pression de gaz détectée au niveau de la soupape (4) à 3 voies. De plus, le dispositif d'aspiration de mucus est conçu pour commander, par l'intermédiaire du tube de détection et de commande (2), la réception ou l'expulsion du gaz à travers l'orifice (21) d'échappement de gaz. Le dispositif de la présente invention établit une communication d'air entre un patient, un dispositif respiratoire, et le dispositif d'aspiration de mucus.
PCT/CN2016/080548 2015-05-08 2016-04-28 Tube d'aspiration de mucus WO2016180243A1 (fr)

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CN201510232892.2A CN104784794B (zh) 2015-05-08 2015-05-08 一种咳痰管路
CN201510232892.2 2015-05-08

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CN112826991A (zh) * 2020-12-31 2021-05-25 陇东学院 一种护理内科多功能吸痰装置
CN113018525A (zh) * 2021-03-01 2021-06-25 南方医科大学南方医院 一种可计量多功能安全型密闭式吸痰装置
CN116688265A (zh) * 2023-08-04 2023-09-05 中日友好医院(中日友好临床医学研究所) 一种自动可调抽吸囊液装置

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CN106563199B (zh) * 2015-10-08 2020-02-04 北京谊安医疗系统股份有限公司 一种用于呼吸机的呼吸阀
CN105343944B (zh) * 2015-10-12 2017-08-25 濡新（北京）科技发展有限公司 咳痰系统
CN105944202B (zh) * 2016-06-03 2018-02-02 吴小忠 一种用于辅助支气管镜吸痰的转换鞘装置
CN106110457B (zh) * 2016-07-20 2019-03-15 蔡小奇 一种排痰机及其呼吸机系统
CN106139273A (zh) * 2016-08-11 2016-11-23 成都润泰智通科技有限公司 导管不易缠绕的综合治疗器
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CN109718400B (zh) * 2019-01-14 2024-05-31 上海市第一人民医院 智能自动吸痰器械
CN111009865B (zh) * 2019-11-28 2021-06-25 烟台职业学院 一种防误爬电力线杆装置
CN111658939B (zh) * 2020-05-19 2023-10-03 中国科学院合肥物质科学研究院 一种用于拔管防喷溅智能化中央吸引装置及其使用方法

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CN113018525A (zh) * 2021-03-01 2021-06-25 南方医科大学南方医院 一种可计量多功能安全型密闭式吸痰装置
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CN116688265B (zh) * 2023-08-04 2023-10-17 中日友好医院(中日友好临床医学研究所) 一种自动可调抽吸囊液装置

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