阅读说明：本技术 呼吸肺装置 (Breathe lung device ) 是由 J·L·帕克 G·V·拉普 N·S·黑格 于 2019-04-26 设计创作，主要内容包括：本发明题为“呼吸肺装置”。本发明公开了一种装置,所述装置使用正空气压力将肺置于多种不同充气状态中。示例性装置包括外壳和空气供应部件。所述外壳包括接收合成肺或真实肺中的至少一者的平台。所述平台处于与周围环境相同的空气压力下。所述空气供应部件位于所述外壳的一个或多个内部腔体内。所述空气供应部件使用正压力对所述合成肺或所述真实肺充气。(The present invention is entitled " breathing lung device ".The invention discloses a kind of device, lung is placed in a variety of different inflated conditions by described device using positive air pressure.Exemplary means include shell and air supply component.The shell includes the platform for receiving at least one of synthesis lung or true lung.The platform is under air pressure identical with ambient enviroment.The air supply component is located in one or more internal cavities of the shell.The air supply component inflates the synthesis lung or the true lung using normal pressure.)

1. a kind of system, the system comprises:

Air driven pump；

Valve, the valve include:

First port, the first port are pneumatically couple to the air driven pump；

Second port, the second port are configured as and synthesis at least one of lung or true lung pneumatic communication；And

Third port, the third port is for being vented；And

Controller, the controller be configured as making the valve by the first port be connected to the second port with by institute Second port is stated to be connected between the third port alternately.

2. system according to claim 1 further includes pressure sensor, the pressure sensor is configurable to generate pressure Value and the controller is sent by the pressure value, the pressure sensor is located at the second port and the synthesis lung Or between the true lung,

Wherein if the pressure value is brought down below first threshold, the controller indicates that the valve connects the first port It is connected to the second port,

Wherein if the pressure value is more than second threshold, the controller indicates that the second port is connected to by the valve The third port.

3. system according to claim 2, wherein the valve further includes the 4th port for exhaust,

Wherein if the pressure value is more than the second threshold, the controller further indicates the valve by described first Port is connected to the 4th port.

4. system according to claim 2 further includes the first user control, first user control is matched It is set to the value for allowing user to change the first threshold.

5. system according to claim 4, wherein first user control includes potential difference meter or digital switch At least one of.

6. system according to claim 4 further includes second user control device, the second user control device is matched It is set to the value for allowing user to change the second threshold.

7. system according to claim 6, wherein the second user control device includes potential difference meter or digital switch At least one of.

8. system according to claim 1 further includes pump speed control device, the pump speed control device is configured as User is allowed to change the amount of the air stream as caused by the air driven pump.

9. system according to claim 8, wherein the pump speed control include in potential difference meter or digital switch extremely Few one.

10. system according to claim 1 further includes accessory, the accessory includes:

First opening, first opening are configured to couple to the synthesis lung or the true lung；

Second opening, second opening are couple to the second port of the valve；And

Third opening,

Wherein when the synthesis lung or the true lung are connected to the described first opening, the accessory is configured as allowing medical treatment Device enters the synthesis lung or the true lung via first opening and third opening.

11. system according to claim 10 further includes the air-lock device for being couple to the third opening.

12. a kind of device, described device include:

Shell, the shell include:

Platform, the platform are configured as receiving synthesis at least one of lung or true lung, and the platform is in and ring around Under the identical pressure in border；And

One or more internal cavities；And

Air supply component, the air supply component is located in one or more of internal cavities of the shell, described Air supply component is configured with normal pressure and inflates to the synthesis lung or the true lung.

13. device according to claim 12, wherein the air supply component includes:

Air driven pump；

Valve, the valve include:

First port, the first port are pneumatically couple to the air driven pump；

Second port, the second port are configured as and the synthesis lung or the true lung pneumatic communication；And

Third port, the third port is for being vented；And

Controller, the controller be configured as making the valve by the first port be connected to the second port with by institute Second port is stated to be connected between the third port alternately.

14. device according to claim 13, wherein the air supply component further includes pressure sensor, the pressure Sensor is configurable to generate pressure value and sends the controller for the pressure value, and the pressure sensor is located at institute It states between second port and the synthesis lung or the true lung,

Wherein if the pressure value is brought down below first threshold, the controller indicates that the valve connects the first port It is connected to the second port,

Wherein if the pressure value is more than second threshold, the controller indicates that the second port is connected to by the valve The third port.

15. device according to claim 14, wherein the air supply component further includes the first user control, institute State the value that the first user control is configured as that user is allowed to change the first threshold.

16. device according to claim 15, wherein the air supply component further includes second user control device, institute State the value that second user control device is configured as that user is allowed to change the second threshold.

17. device according to claim 14, wherein the air supply component further includes pump speed control device, it is described Pump speed control device is configured as the amount for allowing user to change the air stream as caused by the air driven pump.

18. device according to claim 14, wherein the air supply component further includes accessory, the accessory includes:

First opening, first opening are configured to couple to the synthesis lung or the true lung；

Second opening, second opening are couple to the second port of the valve；And

Third opening,

Wherein when the synthesis lung or the true lung are connected to the described first opening, the accessory is configured as allowing medical treatment Device enters the synthesis lung or the true lung via first opening and third opening.

19. device according to claim 18, wherein the air supply component further includes being couple to the third opening Air-lock device.

20. device according to claim 14, wherein the valve further includes for air to be discharged towards the air driven pump 4th port,

Wherein if the pressure value is more than the second threshold, the controller further indicates the valve by described first Port is connected to the 4th port.

Background technique

For being inflated usually using negative pressure to lung to the simulator of Isolated-lung (for example, plasticizing or animal lung) ventilation. For example, using the negative pressure (that is, subatmospheric) around lung to pulmonary ventilation, to allow lung to be full of naturally in atmospheric pressure Ventilation gas lower or close to atmospheric pressure.The technology needs lung to be maintained in sealing room.These devices are not in the case where training It is difficult to operate, and significant training/user experience can not be provided.Substitute technology is come using high pressure accumulator (about 50psi) Operation valve, this needs to use compressed oxygen or air from tank or compressor, to increase the complexity of the system, size And noise.

Summary of the invention

The present invention includes the device that breathing lung is presented using positive low-pressure air.Exemplary means include shell and air supply Component.Shell includes the platform for receiving at least one of synthesis lung or true lung.Platform is in pressure identical with ambient enviroment Under power.Air supply component is located in one or more internal cavities of shell.Air supply component uses positive low-pressure air pair Synthesize lung or the inflation of true lung.

In one aspect of the invention, air supply component includes pneumatic diaphragm pump, valve and controller.Other can also be used The pump of type, such as vane pump, vortex pump and plunger pump.Valve includes first port, which is pneumatically couple to pneumatically Pump；Second port, the second port are configured as and synthesis lung or true lung pneumatic communication；And third port, the third end Mouth is for being vented.Controller makes valve that first port are being connected to second port and second port is connected between third port Alternately.

In another aspect of the invention, air supply component includes pressure sensor, which is configured as It generates pressure value and sends controller for the pressure value.Pressure sensor be located at second port and synthesis lung or true lung it Between.If pressure value is brought down below first threshold, first port is connected to second port by controller indication valve.If pressure Value is more than second threshold, then second port is connected to third port by controller indication valve.

In an additional aspect of the present invention, air supply component includes the first user control, which is matched It is set to the value for allowing user to change first threshold.

It is of the invention still further in terms of, air supply component includes second user control, the second user control quilt It is configured to the value for allowing user to change second threshold.

In other aspects of the present invention, air supply component includes pump speed control, which is configured as permitting Family allowable changes the speed of the motor of air driven pump to realize variable air-breathing rate.

Of the invention again in terms of other, air supply component includes accessory, which has the first opening, this first is opened Mouth is configured to couple to synthesis lung or true lung；Second opening, second opening are couple to the second port of valve；And third Opening.Synthesis lung or true lung are connected to the first opening.The accessory allow medical device via third be open and first be open into Enter to synthesize lung or true lung.

In yet other aspects of the invention, air supply component includes the air-lock device for being couple to third opening.Lock gas dress Set can be customization or can be ready-made device.

According to description provided herein, other feature, advantage and suitable application area be will become obvious.It should be appreciated that tool Body embodiment and specific example are intended merely for illustrative purpose, it is no intended to limit the scope of the present disclosure.

Detailed description of the invention

Being merely to illustrate property of attached drawing purpose described herein, it is no intended to limit the scope of the present disclosure in any way.It is attached Component in figure is not drawn necessarily to scale, but emphasis is placed in and is illustrated in the principle of the present invention.In the accompanying drawings:

Fig. 1 shows the block diagram for the system that embodiment according to the present invention is formed；

Fig. 2 shows the schematic diagrames of the component of the system of Fig. 1 in the first mode of operation；

Fig. 3 shows the schematic diagram of the component of the system of Fig. 1 in the second mode of operation；

Fig. 4 shows the schematic diagram of the process of the execution of system as shown in Figure 1；

Fig. 5 shows the perspective view of exemplary means, which is configured as the system for accommodating Fig. 1；

Fig. 6 shows the perspective view of the device of Fig. 5；

Fig. 7 shows the local perspective view of the device of Fig. 5；

Fig. 8 shows the local perspective view of the device of Fig. 5；

Fig. 9-1 shows the perspective view of the device of Fig. 5；And

Fig. 9-2 shows the partial view of the device of Fig. 9-1.

Specific embodiment

It is described below substantially exemplary only, it is no intended to limit the disclosure, application or purposes.Be described below only with Way of illustration and not limitation explains the device for providing interactive breathing lung device and its operates each with application method Kind embodiment.It should be appreciated that various embodiments as described herein can help to simplify the process of tissue suction.

Fig. 1 is shown for showing the interactive respiratory system 20 with interactive training purpose.System 20 include via It is pneumatically connected (that is, solid line between box) and/or wired or wireless signal communication connection (that is, dotted line between box) Come many components coupled.System 20 includes controller 24, the controller and valve 30, pressure sensor 32, minimum lung size control Device 34 processed and maximum 36 signal communication of lung size control device.System 20 further includes air pump 40, the air pump and respiratory rate The wired or wireless signal communication of control device 42.Air pump 40 and 30 pneumatic communications of valve/connection.Valve 30 and pressure sensor 32 and Lung 44 (for example, animal or synthesis lung) pneumatic communication.Pressure sensor 32 is sampled with predetermined sampling rate, to allow inhaling Smooth transition between gas and expiratory mode.

Controller 24 is based on the minimum lung size value as provided by minimum lung size control device 34, by maximum lung size control Maximum lung size value provided by device 36 processed and the air pressure value provided by pressure sensor 32 are provided to valve 30 Valve control signal.Controller 24 may include programmable logic controller (PLC), hardwired/solid-state controller or similar signal processing/ Control device, the microprocessor of such as associated circuit.Control 34,36,42 may include potential difference meter or similar dress It sets.

Air pump 40 receives respiratory rate signal from respiratory rate control device 42.This control is by the air generated of air pump 40 The amount of stream.Value of the speed of the motor of air pump 40 based on respiratory rate signal.Air pump 40 supplies air to valve 30.In a reality Apply in scheme, valve 30 be include the solenoidal four-way valve of spring return function, the spring return function solenoid is as caused by controller 24 Valve control signal controls.Example valve is produced by Humphrey Products Co., Ltd (Humphrey Products Corporation). Valve control signal makes valve 30 allow to enter in lung 44 or make the air from air pump 40 turn from the received air of the institute of air pump 40 Second exhaust port 56 is connected to to first exhaust port 54 and by lung 44.In one embodiment, first exhaust port It 54 or is attached to the additional tubing of first exhaust port 54 and is positioned to direct air into air pump 40 so as to air The motor of pump 40 provides cooling effect.It is big that atmospheric pressure near first exhaust port and second exhaust port 54,56 is in standard Under air pressure.Exemplary air pump 40 is high flow capacity diaphragm pump, such as by Parker Hannifin Corporation (Parker-Hannifin Corporation) the high flow capacity diaphragm pump produced.

Fig. 2 shows the first pneumatic operation modes of system 20.First pneumatic operation mode is pulmonary aspiration or sucking mode. It, will be received from 40 institute of air pump from the 24 received valve control signal order valve 30 of institute of controller under the first pneumatic operation mode Air at pump port 50 is directed to the lung port 52 connecting with lung 44.Pressure sensor 32 is connected to lung 44 and lung port 52 Between.Under the first pneumatic operation mode, lung 44 is according to true from received control of breathing signal institute, 42 institute of respiratory rate control device Fixed rate inflation.Therefore, lung 44 is inflated using positive air pressure.After the starting of system 20 or whenever by 32 institute of pressure sensor It is pneumatic that the pressure value of sensing causes first when being brought down below the minimum lung size value as provided by minimum lung size control device 34 Operation mode.Minimum lung size value is equal to pressure value.

Fig. 3 shows the second pneumatic operation mode of system 20.Second pneumatic operation mode is lung deflation or expiratory mode. Under the second pneumatic operation mode, guide from the 24 received valve control signal order valve 30 of institute of controller from the 40 received skies of institute of pump Gas is to be discharged first exhaust port 54.In addition, lung port 52 is connected to second exhaust port 56 by valve control signal order valve 30. The lung 44 of inflation starts to be deflated to the lower pressure at second exhaust port 56 (that is, normal atmosphere since this is pneumatically connected Pressure).

It is more than the maximum as provided by maximum lung size control device 36 in the pressure value sensed as pressure sensor 32 Cause the second pneumatic operation mode when lung size value.Maximum lung size value is equal to pressure value.

System 20 may include the relief valve (not shown) between valve 30 and lung 44.The feelings of air-breathing mode are kept in valve 30 Under condition, relief valve is by the air pressure in the lung 44 that is set to release.

As shown in Figures 2 and 3, sealable entrance or access interface 60 are arranged between lung 44 and lung port 52.It can be close The access interface 60 of envelope allows medical device when system 20 changes between air-breathing and expiration state (for example, scope, phase Machine, tool) it is inserted into lung 44.Sealable access interface 60 provides sealing element around the medical device being inserted into lung 44 Or minimum leakage sealing element.Sealable access interface 60 allows user to test and/or hand in the equipment for be designed to lung Mutual formula training.For example, various types of scopes or tool can be inserted in user, such as lung valve is (for example, by the fast company of Si Purui (Spiration, Inc.) production), imaging device, delivery catheter, tissue sampling or therapeutic device etc..

Fig. 4 shows the exemplary process diagram for the process 70 that system 20 executes as shown in Figure 1.Firstly, swashing at step 72 Live system 20 and the lung of attachment is supplied air to by air pump 40, therefore lung is inflated-simulate air-breathing.Air pump 40 with The speed (that is, respiratory rate control device 42) or default speed (that is, air pump motor speed (volume of air/second)) previously selected Supply air.Next, controller 24 is based on from the 32 received air pressure value of institute of pressure sensor at steps in decision-making 74 (P_Lung) to provide order to valve 30.If P_LungLess than predetermined maximum air pressure threshold value (P_max) (by maximum lung size control device 36 settings), then process 70 returns to step 72.If P_LungGreater than P_max, then process 70 proceeds to step 76.At step 76, control Lung air is discharged in 24 order valve 30 of device processed, therefore makes lung deflation-simulation exhalation.

Next, at decision block 78, if P_LungGreater than predetermined minimum air pressure threshold (P_min) (by minimum lung ruler Very little control device 34 is set), then process 70 keeps the lung expiratory mode of step 76.If P_LungLess than P_min, then process 70 is back to The lung of step 72 sucks.

In one embodiment, under low air flow operation mode, as shown in step 80, maximum lung control device 36 It is set to the maximum value (or higher than the value that will be jumped) and respiratory rate control device 42 is set sufficiently low, thus make air Pump rate is matched with setting slip (hole in air system-lung side), to be made according to respiratory rate control (air pump output) Lung holding is inflated to specific dimensions.Air pressure is from not up to trip point, therefore lung holding is inflated to specific dimensions.This permits Perhaps lung indefinitely keeps the state in variable recharge.

Fig. 5 and Fig. 6 is the perspective view of lung box 100, which is configured as accommodating the component of the system 20 of Fig. 1.Lung box 100 Including shell 102 and transparency cover 106.Shell 102 includes the platform 104 of support lung.Transparency cover 106 covers platform 104 to allow The received lung of observation institute.Transparency cover 106 rests on the reception edge of shell 102.In order to operate, transparency cover 106 must be removed, so Lung 44 is placed in-Fig. 7 on platform 104 afterwards.Next, lung 44 is connected to accessory 108 (for example, accessory with barb) and is used Clamping device 112 is fixed against leakage-Fig. 8.Transparency cover 106 is put back into, but need not also be put back to, and system 20 can be made to work.

Fig. 9-1 shows the perspective view of lung box 100, and wherein control lid 120 is removed to appear more control regions 122.Figure 9-2 is the front view of more control regions 122.More control regions 122 include respiratory rate control handle 42-1, maximum lung size Control Knob 36-1 and minimum lung size Control knob 34-1.Control handle 42-1,36-1,34-1 are connected to the potential difference of preceding calibration The device of multiple and different signals can be generated by counting (not shown) or other.

In one embodiment, controller 24 is configured as the additional air leakage that management enters around port 110.Into Inbound port 110 receives sealable access interface 60.However, due to various reasons, some air may leak out sealable connect Inbound port 60.Respiratory rate can be changed to compensate the amount of predetermined leakage in controller 24.