WO2020186662A1

WO2020186662A1 - Breathing machine, breathing wearable device, and method for assisting in breathing therefor

Info

Publication number: WO2020186662A1
Application number: PCT/CN2019/095659
Authority: WO
Inventors: 鲍永新; 王丽娥; 鲍永岩; 刘丹; 陈作雷; 张海青; 魏建凤; 李婧
Original assignee: 青岛市妇女儿童医院（青岛市妇幼保健院、青岛市残疾儿童医疗康复中心、青岛市新生儿疾病筛查中心）
Priority date: 2019-03-21
Filing date: 2019-07-12
Publication date: 2020-09-24

Abstract

A breathing machine, comprising a breathing unit (2). The breathing unit (2) is provided with a cavity (3), a pressure suction shaft (5), and a driving mechanism (10); a first part (6) of the pressure suction shaft is located in the cavity, and a second part (7) of the pressure suction shaft extends to the outside (9) of the cavity by means of a channel (8); the driving mechanism (10) is connected to the first part of the pressure suction shaft, and can drive the pressure suction shaft to move along the channel; the second part of the pressure suction shaft is connected to a contact part (11) in contact with a patient (8) which is used for assisting the patient in breathing. The apparatus may be used in place of intercostal muscle and abdominal muscle functions to assist the patient in completing chest breathing and abdominal breathing. Also disclosed are a breathing wearable device and a method for assisting in breathing therefor.

Description

Ventilator, breathing wear device and method of assisting breathing

Technical field

This application belongs to the technical field of medical devices, and in particular relates to a ventilator, a breathing wearable device and a method for assisting breathing.

Background technique

As an effective means to artificially replace the autonomous ventilation function, the ventilator has been widely used in respiratory failure caused by various reasons, anesthesia breathing management during major operations, respiratory support treatment and emergency resuscitation. It is occupied in the field of modern medicine. Very important location. However, the existing ventilators must buckle the face mask for the patient, and they are all in positive pressure breathing mode. On the one hand, it makes the patient feel very inconvenient. On the other hand, positive pressure breathing often cannot fully simulate the physiological breathing state and is in positive pressure breathing mode for a long time. It is easy to cause barotrauma to the patient's body, which is not conducive to the patient's recovery, and even endangers the patient's life.

Patent CN 202822383 U discloses a non-invasive negative pressure electric ventilator, which includes an electric piston suction compressor and a breathing box. The breathing interface of the electric piston suction compressor is connected to the ventilation interface of the breathing box through a hard tube. The breathing box fits the upper body of the patient. The electric piston suction compressor is used to ventilate or inhale the breathing box, so that the breathing box is in a state of positive pressure, normal pressure, and negative pressure, thereby completing the dynamics in a more physiological breathing mode. The breathing movement of a patient with respiratory paralysis.

Summary of the invention

The purpose of this application is to provide a ventilator, a breathing wear device using the ventilator, and a method for assisting breathing with the ventilator and the breathing wear device.

The first embodiment of the present application provides a ventilator, including a breathing unit having a cavity, a suction and pressure shaft, and a driving mechanism; the first part of the suction and pressure shaft is located in the cavity, and the second part of the suction and pressure shaft passes through the channel Extending to the outside of the cavity; the driving mechanism is connected to the first part of the suction and pressure shaft, which can drive the suction and pressure shaft to move along the channel; the second part of the suction and pressure shaft is connected with a contact part that contacts the patient to assist the patient in breathing .

As a preferred embodiment, an anti-rotation component is further provided between the suction and pressure shaft and the channel to prevent the suction and pressure shaft from rotating. Preferably, the specific structure is: the suction and pressure shaft is provided with one or more first protrusions, and the passage is provided with one or more first grooves matching the first protrusions; and vice versa Of course.

As a preferred embodiment, the ventilator further has a control unit, which can be used to control the driving mechanism to drive the suction and pressure shaft to move along the passage.

As a first preferred embodiment of the driving mechanism, the driving mechanism includes a first driving machine that can be used to drive the support frame to rotate; the support frame is provided with a first assembly that can rotate with the support frame, and the first assembly includes At least two drive elements that can be separated and combined; each drive element is provided with a first internal thread, and the combined first internal thread matches the first external thread provided on the first part of the suction and pressure shaft for Drive the suction and pressure shaft to move.

As a preferred embodiment, the cavity has a cavity wall on which a first trough is provided, and the support frame is provided with a roller located in the first trough.

As a preferred embodiment, the driving mechanism includes one or more linear motors, the linear motors are installed on the support frame, and the driving parts are arranged on the movable platform of the linear motors. Through the work of the linear motor, the driving part is moved, thereby realizing separation and splicing. Or, as an alternative embodiment, the support frame is provided with one or more guide grooves, and each guide groove is provided with a moving part that can move along the guide groove; the driving part is installed on the moving part On; the moving part is provided with a rack, and the support frame is provided with a driving gear for driving the rack to move; through the driving of the driving gear, the rack drives the moving part, and further drives the driving part to separate and split movement.

As a preferred embodiment, the suction and pressure shaft may be provided with a first clamping member whose diameter is larger than the diameter of the channel and is located in the cavity.

As a preferred embodiment, the control unit is a first control unit, which is electrically connected to the first driving machine, the linear motor or the driving gear, and is used to control its movement.

As a second preferred embodiment of the drive mechanism, the drive mechanism includes a frame mounted in the cavity, the first part of the suction and pressure shaft can slide in the frame, and the frame body and the first part of the suction and pressure shaft A closed space is formed between the closed space, and the closed space is connected with a pipe for filling the closed space with a material, and the pipe can be connected to the atmosphere or a material source. Preferably the substance is liquid or gas. Preferably, the control unit is a second control unit, which is electrically connected to the material source, and is used to control the filling or extraction of the material in the enclosed space.

As a third preferred embodiment of the driving mechanism, the driving mechanism includes a second driving machine directly connected to the first part of the suction and pressure shaft for driving the movement of the suction and pressure shaft. Preferably, the control unit is a third control unit, which is electromechanically connected to the second drive for controlling its movement.

In addition, as a preferred embodiment, the contact part and the second part of the suction and pressure shaft are detachably connected together. Preferably, an engaging structure is provided between the two, and the engaging structure includes a first part with a T-shaped opening in cross section and a second part with a T-shaped opening; the first part is arranged on the contact part, and the The second component is arranged on the second part of the suction and pressure shaft. Preferably, the contact part is a patch, which can be attached to the patient's body to assist breathing.

As a preferred embodiment, the ventilator may include multiple breathing units, and the cavity of each breathing unit is arranged in the same mounting body. Preferably, each breathing unit can share one contact part.

As a preferred embodiment, the ventilator is provided with a displacement measuring device, preferably a displacement sensor, which can be used to measure the movement distance of the suction and pressure shaft. Preferably, the contact portion can be provided with a mechanical measurement device, preferably a tension pressure sensor, for measuring the force applied by the ventilator to the patient.

The second embodiment of the present application provides a respiratory wearable device (hereinafter may be referred to as a wearable device for short), which includes a contact surface and a housing, and an inner cavity formed between the contact surface and the housing; the ventilator is arranged inside In the cavity; wherein the contact portion of the ventilator is installed at the contact surface, or can be an integral structure with the contact surface; the mounting body of the ventilator is connected to the housing.

As a preferred embodiment, multiple ventilators may be provided in the wearable device. Preferably, the ventilators can be connected by a first telescopic or movable connecting member. Preferably, the first connecting member may have one or more connecting elements, and each connecting element has a second protruding member with an enlarged head and a second groove provided with a second clamping member; The second protruding member is inserted into the second groove of the other connecting element for connection. Preferably, the communication line between each ventilator and the control unit can also be arranged along the first connecting piece.

As a preferred embodiment, a second connecting piece with an adjustable length is provided between the mounting body and the housing of the ventilator, which can be used to support the ventilator in the inner cavity. Preferably, the second connecting member has a cylinder, a first rod and a second rod. The cylinder is provided with a second internal thread and a third internal thread, and the spiral directions of the two are opposite; The first end is connected to the mounting body of the ventilator, the second end of the first rod body is provided with a second external thread, which matches the second internal thread of the cylinder; the first end of the second rod body is connected to the wearable device The shell is connected, and the second end of the second rod body is provided with a third external thread, which matches with the third internal thread of the cylinder.

The third embodiment of the present application provides a method for assisted breathing by a ventilator, which can be implemented by the ventilator described in any of the foregoing embodiments, including:

Fix the end of the ventilator away from the contact part, the contact part is in contact with the patient, and the movement range of the suction and pressure shaft is recorded when the patient breathes calmly and the patient takes the maximum deep breath;

When the patient's breathing parameters decrease, the control unit controls the drive mechanism to drive the suction and pressure shaft to reciprocate to compensate the patient. Based on the motion range of the suction and pressure shaft during calm breathing, the movement of the suction and pressure shaft during the maximum deep breathing The amplitude is the limit to assist the patient to breathe.

As a preferred embodiment, the end of the ventilator away from the contact part is fixed, and the contact part is in contact with the patient. The first control unit controls the driving part to separate so that the suction and pressure shaft is in a free state. When breathing deeply, the movement range of the suction and pressure shaft; when the patient’s breathing parameters decrease, the first control unit controls the driving parts to be combined and cooperates with the suction and pressure shaft; the first control unit further controls the rotation of the first driving machine to drive the support frame and drive The suction and pressure shaft is rotated to drive the suction and pressure shaft to reciprocate in the channel to compensate the patient's breathing. Based on the motion range of the suction and pressure shaft during calm breathing, the motion range of the suction and pressure shaft during the maximum deep breathing is the limit. The driving mechanism drives the suction and pressure shaft to increase or decrease the movement amplitude of the suction and pressure shaft by a percentage, so as to assist the patient to breathe. or,

As a preferred embodiment, the end of the ventilator away from the contact part is fixed, the contact part is in contact with the patient, and the pipe is connected to the atmosphere, so that the suction and pressure axis is in a free state. When the patient breathes calmly and the patient takes the maximum deep breath, the The movement range of the suction and pressure shaft; when the patient’s breathing parameters decrease, the second control unit controls the pipeline to connect the material source, and drives the suction and pressure shaft to reciprocate in the passage by filling or extracting the material from the enclosed space to compensate the patient for breathing. Based on the motion range of the suction and pressure shaft during calm breathing, and the maximum motion amplitude of the suction and pressure shaft during deep breathing as the limit, the driving mechanism can also drive the suction and pressure shaft to increase or decrease the suction by a percentage. The movement range of the finale assists the patient to breathe. or,

As a preferred embodiment, the end of the ventilator away from the contact part is fixed, the contact part is in contact with the patient, the second driver is not driven, and the suction and pressure shaft is in a free state, and when the patient breathes calmly and when the patient takes maximum deep breathing, The range of motion of the suction and pressure shaft; when the patient’s breathing parameters decrease, the third control unit controls the reciprocating motion of the second driving machine, thereby driving the suction and pressure shaft to reciprocate in the channel to compensate the patient’s breathing to calm the breathing during the breathing Based on the movement range of the pressure shaft, the movement range of the suction and pressure shaft during the maximum deep breath is the limit, and the suction and pressure shaft can also be driven by the driving mechanism to increase or decrease the movement range of the suction and pressure shaft by a percentage. The patient breathes.

As a preferred embodiment, for the soft tissue of the patient, the control unit can also set a range of compensation activities for the rise and fall of the soft tissue.

The fourth embodiment of the present application provides a method for assisting breathing with a respiratory wearable device, which can be implemented by using the respiratory wearable device described in any of the preceding embodiments, including:

Fix the shell of the breathing wear device, the contact surface is in contact with the patient, and record the motion range of the suction and pressure shaft when the patient is breathing calmly and the patient is taking the maximum deep breath; when the patient's breathing parameter decreases, the control unit controls the driving mechanism to drive the suction and pressure shaft Perform reciprocating motion to compensate the patient for breathing, based on the motion range of the suction and pressure shaft during calm breathing, and use the motion range of the suction and pressure shaft during the maximum deep breathing as the limit to assist the patient in breathing.

As a preferred embodiment, the housing of the respiratory wear device is fixed, the contact surface is in contact with the patient, and the second connector is adjusted according to the patient's body structure to make the wearable device fit the patient; the first control unit controls The driving parts are separated, so that the suction and pressure shaft is in a free state, and the movement amplitude of the suction and pressure shaft is recorded when the patient is breathing calmly and the patient is taking maximum deep breathing; when the patient's breathing parameters are reduced, the first control unit controls the driving parts to be combined and matched with the suction and pressure shaft ; The first control unit further controls the rotation of the first driving machine, thereby driving the support frame and the driving member to rotate, driving the suction and pressure shaft to reciprocate in the channel, and compensate the patient for breathing, based on the movement range of the suction and pressure shaft when breathing calmly , Taking the maximum deep breathing motion range of the suction and pressure axis as the limit, assisting the patient to breathe. or,

As a preferred embodiment, the housing of the respiratory wearable device is fixed, the contact surface is in contact with the patient, and the second connector is adjusted according to the patient's body structure to make the wearable device fit the patient; the pipe is connected to the atmosphere so that The suction and pressure axis is in a free state, and the movement amplitude of the suction and pressure axis is recorded when the patient is breathing calmly and the patient is taking the maximum deep breath; when the patient's breathing parameter decreases, the second control unit controls the pipeline to connect to the material source, and fills or pulls out the enclosed space Substance, to drive the suction and pressure shaft to reciprocate in the channel to compensate the patient's breathing, based on the motion range of the suction and pressure shaft during calm breathing, and to limit the motion range of the suction and pressure shaft during the maximum deep breathing, to assist the patient in performing Breathe. or,

As a preferred embodiment, the housing of the respiratory wear device is fixed, the contact surface is in contact with the patient, and the second connecting member is adjusted according to the patient's body structure so that the wearable device fits the patient; the second driver is not Drive, the suction and pressure shaft is in a free state, and record the movement range of the suction and pressure shaft when the patient is breathing calmly and the patient is taking the maximum deep breath; when the patient's breathing parameters are reduced, the third control unit controls the reciprocating motion of the second driver to drive the suction and pressure shaft Reciprocating movement in the channel to compensate the patient for breathing, based on the movement range of the suction and pressure axis during calm breathing, and the maximum movement range of the suction and pressure axis during deep breathing, to assist the patient in breathing.

The beneficial effects of this application:

(1) The ventilators and breathing wearable devices provided by this application realize negative pressure breathing of patients by expanding or compressing breathing parts (such as the chest cavity and abdominal cavity);

(2) The ventilator or breathing wearable device provided by this application can record, copy and restore chest wall breathing movement point by point, instead of intercostal muscles, which is closer to physiological breathing movement; compared to conventional positive pressure breathing (such as mask breathing Machine), this application will not cause barotrauma to the patient, and is more conducive to the recovery of the patient;

(3) In this application, normal breathing can be used as a reference, deep breathing is the limit, and breathing parameters can be adjusted within the interval, which is safe and reliable; this application can also record and exclude ineffective soft tissue movements;

(4) The ventilator of the present application mainly realizes negative pressure breathing, and can also be used in combination with a positive pressure ventilator to realize dual control of the patient's breathing.

Description of the drawings

Figure 1 is a schematic diagram of the first type of breathing unit, in which the driving parts are split;

Figure 2 is a schematic diagram of the first type of breathing unit, in which the driving member is separated;

Figure 3 is a schematic diagram of a second type of breathing unit;

Figure 4 is a schematic top view of the support frame;

Figure 5 is a schematic top view of the anti-rotation component;

Fig. 6 is a schematic diagram of electrical connection of the first control unit;

Figure 7 is a schematic diagram of a third type of breathing unit;

Figure 8 is a schematic diagram of a fourth type of breathing unit;

Figure 9 is a schematic front view of the locking structure;

Figure 10 is a three-dimensional schematic diagram of the locking structure;

Figure 11 is a schematic diagram of the ventilator;

Figure 12 is a schematic diagram of a breathing wearable device;

Figure 13 is a schematic diagram of the use of the wearable device;

Figure 14 is a schematic diagram of breathing wearable equipment assisting exhalation;

Figure 15 is a schematic diagram of the respiratory wearable device assisting inhalation;

Figure 16 is a schematic diagram of the first connecting piece;

Figure 17 is a schematic diagram of a second connecting member;

Number in the figure: 1 ventilator, 2 breathing unit, 3 cavity, 4 cavity wall, 5 suction and pressure shaft, 6 suction and pressure shaft first end, 7 suction and pressure shaft second end, 8 channels, 9 external, 10 drive mechanism, 11 Contact part, 12 patients, 13 first clip, 14 first driver, 15 support frame, 16 first assembly, 17 driver, 18 first internal thread, 19 first trough, 20 roller, 21 linear motor, 22 movable platform, 23 guide groove, 24 moving part, 25 rack, 26 driving gear, 27 first external thread, 28 anti-rotation part, 29 first protrusion, 30 first groove, 31 first control unit , 32 frame, 33 confined space, 34 pipe, 35 material source, 36 second control unit, 37 third control unit, 38 snap-in structure, 39 first part, 40 second part, 41 mounting body, 42 displacement measurement Device, 43 pressure measuring device, 44 respiratory wearable device, 45 contact surface, 46 housing, 47 inner cavity, 48 first connecting piece, 49 connecting element, 50 second protruding piece, 51 head, 52 second groove, 53 second clip, 54 second connecting member, 55 cylinder, 56 first rod, 57 second rod, 58 second internal thread, 59 third internal thread, 60 first end of first rod, 61 first rod The second end, 62 second external thread, 63 the first end of the second rod body, 64 the second end of the second rod body, 65 the third external thread, 66 bracket, 67 one end of the ventilator.

detailed description

The technical solutions of the present application will be described in detail below in conjunction with specific embodiments. However, it should be understood that without further description, elements, structures and features in one embodiment can also be beneficially combined into other embodiments.

In the description of this application, it should be understood that the terms "first" and "second" are only used for description purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of these features.

In the description of this application, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "bottom", "inner", etc. are based on the orientation or positional relationship shown in Figures 1 to 3 It is only for the convenience of describing the application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the application.

In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral Ground connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication between two components. For those of ordinary skill in the art, the specific meanings of the above-mentioned terms in this application can be understood under specific circumstances.

The described implementations are merely descriptions of the preferred implementations of the application, and are not intended to limit the scope of the application. Without departing from the design spirit of the application, various modifications made by those of ordinary skill in the art to the technical solutions of the application And improvements should fall within the scope of protection determined by the claims of this application.

1. Ventilator

The first embodiment of the present application provides a ventilator 1, as shown in Figures 1-3, Figure 7, Figure 8 and Figure 11, including a breathing unit 2 having a cavity 3 and a cavity The first part 6 of the suction and pressure shaft is located in the cavity 3, and the second part 7 of the suction and pressure shaft extends to the outside 9 of the cavity 3 through a channel 8 opened on the cavity wall 4. The driving mechanism 10 is connected to the first part 6 of the suction and pressure shaft, and can drive the suction and pressure shaft 5 to move along the channel 8; the second part 7 of the suction and pressure shaft is connected with a contact part 11, which can be in contact with the patient 12 to assist the patient in breathing.

The suction and pressure shaft 5 may be provided with a first clamping member 13 with a diameter larger than that of the channel 8 and located in the cavity 3 to prevent the first part 6 of the suction and pressure shaft from being separated from the cavity 3.

(1) First embodiment of drive mechanism

As shown in Figures 1-3, the driving mechanism 10 includes a first driving machine 14, which can be used to drive the support frame 15 to rotate; the support frame 15 is provided with a first component 16 that can rotate with the support frame 15, and The assembly 16 includes at least two drive members 17 that can be separated and assembled, and each drive member 17 is provided with a first internal thread 18.

Preferably, the cavity wall 4 is provided with a first trough 19, and the support frame 15 is provided with a roller 20 located in the first trough 19, and the roller 20 can guide the support frame 15 in the first trough. One moves in the trough 19, and the other can support the support frame 15.

The driving member 17 can be mounted on the support frame 15 in various ways. Preferably, as shown in FIGS. 1 and 2, the driving mechanism 10 includes one or more linear motors 21, and the linear motors 21 are mounted on the support frame 15. Above, the driving member 17 is arranged on the movable platform 22 of the linear motor. Through the work of the linear motor, the driving member 17 is moved, thereby realizing separation and splicing. Or, preferably, as shown in Figures 3 and 4, the support frame 15 is provided with one or more guide grooves 23, and each guide groove 23 is provided with a moving member 24 that can move along the guide groove 23 (Figure 4 is the top view of FIG. 3, the part of the guide groove that is blocked by the moving part 24 is indicated by dashed lines); the driving part 17 is installed on the moving part 24; the moving part 24 is provided with a rack 25, the support frame 15 is provided with a driving gear 26 for driving the rack 25 to move; through the driving of the driving gear 26, the rack 25 drives the moving part 24, and further drives the driving part 17 to separate and split.

The first part 6 of the suction and pressure shaft is provided with a first external thread 27 which matches with the first internal thread 18 of the drive member 17 after splitting.

An anti-rotation component 28 is also provided between the suction and pressure shaft 5 and the passage 8 to prevent the suction and pressure shaft 5 from rotating, so that the suction and pressure shaft 5 can move axially relative to the passage 8. Figure 5 shows the structure of an anti-rotation component 28, wherein one or more first protrusions 29 are provided on the suction and pressure shaft 5, and one or more first protrusions 29 are provided on the passage 8 The first groove 30 matched with the protruding member 29; since the passage 8 does not rotate, the suction and pressure shaft 5 cannot rotate, and can only move axially in the passage 8. In the same way, the opposite structure can also be set, that is, through A first groove is provided on the suction and pressure shaft 5, and a first protruding piece matching the first groove is provided on the channel 8 to realize the above-mentioned function.

When the driving member 17 is in a combined state under the action of the moving member 24 driven by the linear motor 21 or the driving gear 26 (for example, the driving member 17 can be combined into a rotatable cylinder), the first internal thread 18 and the first The external thread 27 is matched, as shown in Figure 1; when the first driving machine 14 drives the support frame 15 to rotate and drives the driving member 17 to rotate, the first internal thread 18 drives the first external thread 27, because the suction shaft 5 is in the passage 8 It cannot rotate under the restriction of, therefore, driven by the first internal thread 18, the suction and pressure shaft 5 moves along the axial direction of the channel 8 (that is, moves up and down in FIGS. 1-3). The arrangement of the first clamping member 13 can also enable the first external thread 27 and the first internal thread 18 to match with each other after the driving member 17 is joined together without being separated.

The driving mechanism 10 may also include a first control unit 31, which is electrically connected to the first driving machine 14, the linear motor 21 or the driving gear 26, for controlling its movement, as shown in FIG. 6, where the linear motor 21 and The drive gear 26 selects one of them, and therefore, the connection of the latter is indicated by a broken line.

(2) Second embodiment of drive mechanism

As shown in Figure 7, the drive mechanism 10 includes a frame 32 installed in the cavity 3. The first part 6 of the suction and pressure shaft can slide up and down along the frame 32. A closed space 33 is formed between, and the closed space 33 is connected with a pipe 34 for filling the closed space 33 with substances, and the pipe 34 can be connected to the atmosphere or a material source 35. The material source 35 is used to fill the enclosed space 33 with material, such as gas or liquid, through the pipe 34, which can press the suction shaft 5 to move outward, that is, move downward; when the material source 35 pulls the material from the enclosed space 33, it can make The suction and pressure shaft 5 moves inwardly, that is, upward movement; thus, the axial movement of the suction and pressure shaft 5 along the channel 8 is realized.

Wherein, as in the first embodiment, an anti-rotation component 28 may be provided between the suction and pressure shaft 5 and the passage 8 to prevent the suction and pressure shaft 5 from rotating, so that the suction and pressure shaft 5 can move axially relative to the passage 8. For details, please refer to the first implementation manner, which will not be repeated here.

The driving mechanism 10 may further include a second control unit 36 which is electrically connected to the material source 35 for controlling the filling or extraction of the material into the enclosed space 33.

(3) Third embodiment of driving mechanism

As shown in FIG. 8, the driving mechanism 10 includes a second driving machine 34 which is directly connected to the first part 6 of the suction and pressure shaft for driving the movement of the suction and pressure shaft 5.

The driving mechanism 10 may further include a third control unit 37 which is electrically connected to the second driving machine 34 for controlling its movement.

In each embodiment of the driving mechanism 10, the driving mechanism 10 is respectively controlled by the first control unit 31, the second control unit 36 and the third control unit 37, which can be collectively referred to as being controlled by the control unit.

Regardless of the above implementation of the driving mechanism 10 or other feasible driving mechanisms, the ventilator described in this application can also:

As a preferred embodiment, the contact portion 11 and the second portion 7 of the suction and pressure shaft are detachably connected together, and preferably a locking structure 38 is provided between the two, as shown in Figures 9-11, The engaging structure 38 includes a first part 39 with a T-shaped opening in cross section and a second part 40 with a T-shape; the first part 39 is arranged on the contact portion 11, and the second part 40 is arranged on the second part of the suction and pressure shaft. Part 7 is on.

As a preferred embodiment, the contact portion 11 is a patch, which can be attached to the patient's body to assist breathing. When the contact part 11 and the second part 7 of the suction and pressure shaft are detachably connected together, the contact sheet 11 can be made of disposable materials, which can be thrown away after use to avoid cross infection.

As a preferred embodiment, a ventilator 1 may include multiple breathing units 2, the cavity 3 of each breathing unit is arranged in the same mounting body 41, and each breathing unit 2 may share a contact portion 11. As shown in Figure 11, there are three breathing units 2, but it is worth understanding that the number of breathing units 2 can be more than three, and the number can be adjusted according to the actual needs of the ventilator (such as size, intensity, etc.) , For example, 1, 2, 3, 4, etc.

As a preferred embodiment, the ventilator 1 is provided with a displacement measuring device 42, for example, a displacement sensor, for measuring the movement distance of the suction and pressure shaft 5. The displacement measuring device 42 may be arranged between the suction and pressure shaft 5 and the cavity wall 4, or between the suction and pressure shaft 5 and the mounting body 41, as shown in FIG. 2. The displacement measuring device 42 can be electrically connected to the

control unit

31, 36 or 37 according to the selected driving mechanism 10; thereby, the displacement data can be recorded.

As a preferred embodiment, as shown in FIG. 2, the contact portion 11 may be provided with a mechanical measurement device 43, such as a tension and pressure sensor, for measuring the force applied by the ventilator to the patient, so as to more accurately grasp the assisted breathing Strength. The pressure measuring device 43 can be electrically connected to the control unit according to the selected driving mechanism 10; thereby, pressure data can be recorded.

When the ventilator 1 is in use, the end 67 of the ventilator far away from the contact portion 11 can be fixed, for example, mounted on a bracket, so that the ventilator is activated to assist the patient in breathing.

2. Breathing wearable equipment

The second embodiment of the present application provides a respiratory wearable device 44 (may be referred to as a wearable device for short), as shown in FIGS. 12-15, which can act on the chest cavity and/or abdomen of the human body; the wearable device 44 has contact The face 45 and the outer shell 46, and the inner cavity 47 formed by the two, the ventilator 1 is disposed in the inner cavity 47. Wherein, the contact portion 11 of the ventilator 1 is installed at the contact surface 45, or may be an integral structure with the contact surface 45; the mounting body 41 of the ventilator 1 is connected to the housing 46.

Multiple ventilators 1 can be set in one wearable device 44, and the location and number of ventilators 1 can be adjusted according to the actual situation of the patient; if the location is narrow, a small number of ventilators 1 can be arranged; if the breathing area is large and the breathing intensity is high , You can deploy more ventilators. As shown in Figure 12, for female patients, there are fewer ventilators near the soft tissues, and more ventilators near the diaphragm.

As a preferred embodiment, the ventilators 1 may be connected to each other through a telescopic or movable first connecting member 48, so as to be mutually stable and mutually traction. FIG. 16 shows an embodiment of the first connecting member 48. It should be understood that the selection of the first connecting member 48 is not limited to this, for example, it may also be hinged. In FIG. 16, the first connecting member 48 may have one or more connecting members 49, and each connecting member 49 has a second protruding member 50 with an enlarged head 51 and a second groove with a second clamping member 53 inside. 52. By inserting the head 51 of the second protrusion 50 of one connecting element 49 into the second groove 52 of the other connecting element 49, the connection between the connecting elements 49 is realized. When two ventilators 1 are connected, the second protrusion 50 of the first connecting element is connected to one ventilator 1, and the second groove 52 of the last connecting element is connected to the other ventilator. The communication lines between each ventilator 1 and the control unit may also be arranged along the first connecting piece 48, or the ventilator 1 may be connected in series through a communication line arranged on the first connecting piece 48, and then connected to Control unit; this arrangement can make the structural layout of the ventilator cavity more concise.

As a preferred embodiment, a second connecting member 54 with an adjustable length is provided between the mounting body 41 and the housing 46 of the ventilator 1 to support the ventilator 1 in the inner cavity 47. FIG. 14, FIG. 15 and FIG. 17 show an embodiment of the second connecting member 54. It should be understood that the selection of the second connecting member 54 is not limited to this. Figure 17 is a longitudinal cross-sectional view of the second connecting member 54 having a cylinder 55, a first rod 56 and a second rod 57, the cylinder 55 is provided with a second internal thread 58 and a third The spiral directions of the two are opposite; the first end 60 of the first rod is connected to the mounting body 41 of the ventilator 1, and the second end 61 of the first rod is provided with a second external thread 62, which is connected to the barrel The second internal thread 58 of the body 55 matches; the first end 63 of the second rod body is connected to the casing 46 of the wearable device, and the second end 64 of the second rod body is provided with a third external thread 65 which is connected to the cylinder 55 The third internal thread 59 matches. By rotating the cylinder, the first rod and the second rod can move into the cylinder at the same time, or move outside the cylinder at the same time, so that the second connecting member 54 is shortened or elongated.

When the respiratory wearable device 44 is in use, the housing 46 of the respiratory wearable device can be fixed, for example, mounted on a bracket 66, as shown in FIGS. 13-15, the bracket 66 is around the front of the patient's chest (or the front of the abdomen) The arc-shaped bracket, both ends of the bracket can be fixed on the bed frame and other parts, thereby enabling the breathing wearable device 44 to assist the patient in breathing.

3. The method of ventilator assisted breathing

The third embodiment of the present application provides a method for assisting breathing with a ventilator, which can be implemented by using the ventilator described in any of the above embodiments, including:

Fixing the end 67 of the ventilator away from the contact part, the contact part 11 being in contact with the patient 12 (such as the patient's chest and/or abdomen), and recording the motion range of the suction and pressure shaft when the patient is breathing calmly and the patient is breathing the most deeply;

When the patient's breathing parameter decreases, the

control unit

31, 36 or 37 controls the drive mechanism 10 to drive the suction and pressure shaft 5 to reciprocate, and compensate the patient for breathing. Based on the motion range of the suction and pressure shaft during calm breathing, take the maximum deep breath At this time, the motion range of the suction and pressure shaft is the limit, which assists the patient to breathe.

According to the difference of the driving mechanism 10, it can also be specifically:

(1) Install the ventilator 1 on the bracket, the contact portion 11 is in contact with the patient 12 (such as the patient's chest and/or abdomen), and the first control unit 31 controls the driving member 17 to separate, so that the suction and pressure shaft 5 is in a free state , To record the movement amplitude of the suction and pressure axis when the patient breathes calmly and when the patient takes the maximum deep breath;

When the patient's breathing parameter decreases, the first control unit 31 controls the driving member 17 to be combined and cooperates with the suction and pressure shaft 5; the first control unit 31 further controls the first driving machine 14 to rotate, thereby driving the support frame 15 and the driving member 17 to rotate and drive The suction and pressure shaft 5 reciprocates in the channel 8 to compensate the patient's breathing, based on the movement range of the suction and pressure shaft during calm breathing, and the maximum deep breathing when the movement range of the suction and pressure shaft is the limit. The driving mechanism 10 drives the suction and pressure shaft 5 to increase or decrease the movement amplitude of the suction and pressure shaft 5 by a percentage, so as to assist the patient to breathe. or,

(2) Install the ventilator 1 on the support, the contact part 11 is in contact with the patient 12 (such as the patient's chest and/or abdomen), the pipe 34 is connected to the atmosphere, so that the suction and pressure shaft 5 is in a free state, and the patient's peaceful breathing is recorded and The movement amplitude of the suction and pressure shaft when the patient is breathing the most deeply;

When the patient's breathing parameter decreases, the second control unit 36 controls the pipe 34 to connect to the material source 35, and drives the suction and pressure shaft 5 to reciprocate in the channel 8 by filling or withdrawing the material from the enclosed space 33 to compensate the patient for breathing. Based on the motion range of the suction and pressure shaft during calm breathing, and the maximum motion range of the suction and pressure shaft during deep breathing, the suction and pressure shaft 5 can also be driven by the drive mechanism 10 to increase or decrease by a percentage. The movement range of the suction and pressure shaft 5 is described to assist the patient in breathing. or,

(3) Install the ventilator 1 on the bracket, the contact portion 11 is in contact with the patient 12 (such as the patient's chest and/or abdomen), the second driving machine 34 is not driven, the suction and pressure shaft 5 is in a free state, and the patient is calm. The range of motion of the suction and pressure shaft when breathing and when the patient takes maximum deep breathing;

When the patient's breathing parameter decreases, the third control unit 37 controls the second driving machine 34 to reciprocate, thereby driving the suction and pressure shaft 5 to reciprocate in the passage 8 to compensate the patient for breathing to calm the movement range of the suction and pressure shaft during breathing As a basis, taking the maximum deep breathing motion range of the suction and pressure shaft as the limit, the driving mechanism 10 can also drive the suction and pressure shaft 5 to increase or decrease the motion range of the suction and pressure shaft 5 by a percentage to assist the patient Take a breath.

4. Breathing wearable equipment to assist breathing

The fourth embodiment of the present application provides a method for assisting breathing with a respiratory wearable device, which can be implemented by using the respiratory wearable device described in any of the above embodiments, including:

Fix the shell 46 of the respiratory wearable device, the contact surface 45 is in contact with the patient 12 (such as the patient's chest and/or abdomen), and the movement amplitude of the suction and pressure shaft is recorded when the patient breathes quietly and the patient takes the maximum deep breath;

When the patient's breathing parameter decreases, the

control unit

(1) Mount the housing 46 of the respiratory wearable device on the bracket 66, the contact surface 45 is in contact with the patient 12 (such as the patient's chest and/or abdomen), and the second connecting member 54 is adjusted according to the patient's body structure so that The wearable device 44 fits the patient better. For example, for the protruding part of the patient's chest cavity, the length of the second connecting member 54 is shortened, and for the recessed part between the chest cavity, the length of the second connecting member 54 is extended (as shown in the figure). 14, the length of the second connecting piece is longer in the depression in the middle of the thoracic cavity, and the length of the second connecting piece is slightly shorter at the adjacent two sides); the first control unit 31 controls the separation of the driving member 17 so that the suction and pressure shaft 5 In a free state, record the motion range of the suction and pressure shaft when the patient is breathing calmly and the patient is breathing the most deeply;

(2) Mount the housing 46 of the respiratory wearable device on the bracket 66, the contact surface 45 is in contact with the patient 12 (such as the patient's chest and/or abdomen), and the second connector 54 is adjusted according to the patient's body structure so that The wearable device 44 fits the patient better; the pipe 34 is connected to the atmosphere, so that the suction and pressure shaft 5 is in a free state, and the movement amplitude of the suction and pressure shaft when the patient is breathing calmly and the patient is breathing maximum deep;

When the patient's breathing parameter decreases, the second control unit 36 controls the pipe 34 to connect to the material source 35, and drives the suction and pressure shaft 5 to reciprocate in the channel 8 by filling or drawing the material from the enclosed space 33 to compensate the patient for breathing. Based on the motion range of the suction and pressure shaft during calm breathing, and the maximum motion range of the suction and pressure shaft during deep breathing, the suction and pressure shaft 5 can also be driven by the drive mechanism 10 to increase or decrease by a percentage. The movement range of the suction and pressure shaft 5 is described to assist the patient in breathing. or,

(3) Mount the housing 46 of the respiratory wearable device on the bracket 66, the contact surface 45 is in contact with the patient 12 (such as the patient's chest and/or abdomen), and the second connecting member 54 is adjusted according to the patient's body structure so that The wearable device 44 fits the patient better; the second driving machine 34 is not driven, the suction and pressure shaft 5 is in a free state, and the movement amplitude of the suction and pressure shaft is recorded when the patient is breathing calmly and the patient is breathing the most deeply;

Figure 14 is a schematic diagram of assisted exhalation, and Figure 15 is a schematic diagram of assisted inhalation; with the assistance of the wearable device, the patient can be well breathed. In addition, the wearable device can be installed not only in the chest cavity, but also in the abdomen, or both in the chest cavity and the abdomen, so as to better assist the patient in breathing.

Claims

A ventilator, characterized in that it comprises a breathing unit,

The breathing unit has a cavity, a suction and pressure shaft, and a driving mechanism;

The first part of the suction and pressure shaft is located in the cavity, and the second part of the suction and pressure shaft extends to the outside of the cavity through the channel;

The driving mechanism is connected to the first part of the suction and pressure shaft, and can drive the suction and pressure shaft to move along the channel;

The second part of the suction and pressure shaft is connected with a contact part which is in contact with the patient for assisting the patient to breathe.
The ventilator according to claim 1, wherein an anti-rotation component is provided between the suction and pressure shaft and the passage to prevent the suction and pressure shaft from rotating.
The ventilator according to claim 2, wherein the anti-rotation component structure is: one or more first protrusions are provided on the suction and pressure shaft, and one or more and The first groove matches the first protrusion; vice versa.
The ventilator according to any one of claims 1, further comprising a control unit, which can be used to control the driving mechanism to drive the suction and pressure shaft to move along the passage.
The ventilator according to any one of claims 1 to 4, wherein the driving mechanism comprises a first driving machine, which can be used to drive the support frame to rotate; and the support frame is provided with a first drive that can rotate with the support frame. A component, the first component includes at least two drive parts that can be separated and combined; each drive part is provided with a first internal thread, the combined first internal thread and a first part arranged on the first part of the suction and pressure shaft The external threads are matched to drive the movement of the suction and pressure shaft.
The ventilator according to claim 5, wherein the cavity has a cavity wall on which a first tank is provided, and the supporting frame is provided with a roller located in the first tank; the The driving mechanism includes one or more linear motors, the linear motors are installed on the support frame, and the driving parts are arranged on the movable platform of the linear motors; the control unit is a first control unit, which is electrically connected to the first driving machine and the linear motor. Connection to control its movement.
The ventilator according to claim 5, wherein the cavity has a cavity wall on which a first tank is provided, and the supporting frame is provided with a roller located in the first tank; the The support frame is provided with one or more guide grooves, and each guide groove is provided with a moving part that can move along the guide groove; the driving part is installed on the moving part; the moving part is provided with a rack, so The supporting frame is provided with a driving gear for driving the rack to move; the rack drives the moving part through the drive of the driving gear, and further drives the driving part to separate and split movement; the control unit is the first control unit, which It is electrically connected with the first driving machine and the driving gear for controlling its movement.
The ventilator according to any one of claims 1 to 4, wherein the driving mechanism comprises a frame mounted in the cavity, the first part of the suction and pressure shaft can slide in the frame, and the frame A closed space is formed between the first part of the suction and pressure shaft, and the closed space is connected with a pipe for filling the closed space with a material, and the pipe can be connected to the atmosphere or a material source.
The ventilator according to claim 8, wherein the control unit is a second control unit, which is electrically connected to the material source, and is used to control the filling or extraction of the material in the enclosed space.
The ventilator according to any one of claims 1-4, wherein the driving mechanism comprises a second driving machine, and the second driving machine is directly connected to the first part of the suction and pressure shaft for driving the suction and pressure shaft Movement; Preferably, the control unit is a third control unit, which is electromechanically connected to the second drive for controlling its movement.
The ventilator according to any one of claims 1-4 and 8, wherein the ventilator comprises a plurality of breathing units; the cavity of each breathing unit is arranged in the same mounting body; each breathing unit shares one Contact part.
The ventilator according to any one of claims 1-4 and 8, wherein the suction and pressure shaft is provided with a first clip, the diameter of which is greater than the diameter of the channel, and is located in the cavity; the contact portion Removably connected to the second part of the suction and pressure shaft; the contact part is a patch, which can be attached to the patient's body for assisting breathing; the ventilator is equipped with a displacement measuring device for measuring The movement distance of the suction and pressure shaft; the contact part is provided with a mechanical measuring device for measuring the force applied by the ventilator to the patient.
A breathing wear device, comprising a contact surface and a housing, and an inner cavity formed between the contact surface and the housing; the ventilator according to any one of claims 1-12 is arranged in the inner cavity; wherein the The contact part of the ventilator is installed at the contact surface, or is an integral structure with the contact surface; the mounting body of the ventilator is connected with the housing.
The respiratory wearable device according to claim 13, wherein a plurality of ventilators are provided in the wearable device; the ventilators are connected by a first retractable or movable connecting member.
The respiratory wearable device according to claim 13 or 14, characterized in that a second connecting member with an adjustable length is provided between the mounting body of the ventilator and the housing, for supporting the ventilator in the inner cavity.
A method for assisted breathing by a ventilator, implemented by the ventilator according to any one of claims 1-12, comprising:

Fix the end of the ventilator away from the contact part, the contact part is in contact with the patient, and the movement range of the suction and pressure shaft is recorded when the patient breathes calmly and the patient takes the maximum deep breath; when the patient's breathing parameter decreases, the control unit controls the driving mechanism to drive The suction and pressure shaft performs reciprocating motion to compensate the patient for breathing. Based on the motion range of the suction and pressure shaft during calm breathing, the motion range of the suction and pressure shaft during the maximum deep breathing is used as the limit to assist the patient in breathing.
A method for assisting breathing with a breathing wearable device, implemented by the breathing wearable device according to any one of claims 13-15, comprising:

Fix the shell of the breathing wear device, the contact surface is in contact with the patient, and record the motion range of the suction and pressure shaft when the patient is breathing calmly and the patient is taking the maximum deep breath; when the patient's breathing parameter decreases, the control unit controls the driving mechanism to drive the suction and pressure shaft Perform reciprocating motion to compensate the patient for breathing, based on the motion range of the suction and pressure shaft during calm breathing, and use the motion range of the suction and pressure shaft during the maximum deep breathing as the limit to assist the patient in breathing.