CN107569726B - Closed sputum aspirator - Google Patents

Closed sputum aspirator Download PDF

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Publication number
CN107569726B
CN107569726B CN201710895345.1A CN201710895345A CN107569726B CN 107569726 B CN107569726 B CN 107569726B CN 201710895345 A CN201710895345 A CN 201710895345A CN 107569726 B CN107569726 B CN 107569726B
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China
Prior art keywords
sputum aspirator
sputum
aspirator tube
circle
connect
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CN107569726A (en
Inventor
韩元
陈圣杰
邢彦君
段书霞
韩修恒
付迎坤
王娜
常聪
田大斌
张娟
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HENAN YADU INDUSTRIAL Co Ltd
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HENAN YADU INDUSTRIAL Co Ltd
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Abstract

A kind of closed sputum aspirator, including T-type triple valve, the sputum aspirator tube insertion end being connect with T-type triple valve is equipped with fluid injection pipe device, the fluid injection pipe device is equipped with solenoid valve in being connect with sputum aspirator tube insertion end, solenoid valve is connect with controller, in the head position of the tapering point of the insertion end of sputum aspirator tube, one annular flow gauge is set, the annular flow is calculated as the annular of thickness, four through-holes are disposed radially between inner circle and outer circle, pressure sensor is arranged in position between two through-holes of the arbitrary neighborhood, the signal wire of pressure sensor in the annular flow gauge is connect with controller;An anti-suck-back device is embedded in the sputum aspirator tube pipe shaft interface being connect with T-type triple valve 1.Can during suction sputum to the flow of sputum into monitoring, control the unlatching of solenoid valve, liquid or the difficult sputum being sucked out of flushing liquor dilution be added, there is automation, the features such as saving the time, improve the safety of suction sputum.

Description

Closed sputum aspirator
Technical field
The present invention relates to a kind of medical instruments fields, and in particular to a kind of closed sputum aspirator.
Background technology
The widely used method for removing artificial airway's secretion clinical at present is closed endotracheal suction technology, will be closed Sputum aspirator tube connects into closed system with artificial airway, lung ventilator Y-piece and vacuum suction equipment, and entire suction sputum operation is opposite It is carried out in closed space, is not necessarily to disconnect lung ventilator in therapeutic process, can effectively reduce because suction sputum causes the generation of alveolar collapse, It can the substantially reduced histanoxia caused by suction sputum;The exposure of patients with respiratory tract is avoided, the generation of VAP can be effectively reduced;Simultaneously Using closed sputum aspirator suction sputum, cross-infection can be effectively reduced, medical worker and other patients is especially avoided to occur to intersect sense Dye, can effectively protect medical worker improve the safety of nursery work, reduce the generation of nosocomial infection.
It includes negative pressure control valve, is respectively equipped with lung ventilator interface, trachea cannula interface and the T-type with sputum aspirator tube insert port Triple valve connects the intake interface of negative pressure control valve and the transparent membrane protective jacket of sputum aspirator tube insert port, has in film protective jacket The both ends of taper sputum aspirator tube, sputum aspirator tube are respectively equipped with opening, and one end of sputum aspirator tube is connected to negative pressure control valve on negative pressure control valve It is enclosed construction in normal state, negative pressure control valve can be connect with sputum aspirator, and suction sputum tube wall housing is Packed transparent The outer wall of sputum aspirator tube is isolated from the outside by film protective jacket, and inner cavity is connected with negative pressure control valve;The sputum aspirator tube other end is opening Formula structure is machined with sputum suction hole on the tube wall held around port, is inserted into T-type triple valve sputum aspirator tube insertion end, T-type triple valve with thoroughly Bright film protective jacket, which is connected, constitutes a sealing space.The other both ends of T-type triple valve can be connect with trachea cannula and lung ventilator, structure At a complete respiration channel.Injection catheter mouth and oxygen interface tube are also separately set on T-type triple valve, can be added by priming device Enter liquid or flushing liquor etc., respiratory tract is rinsed.
But above-mentioned solution technical solution has blindness in operation, and the viscosity for not having accurate sputum monitors, behaviour Make easily occur the generation of the symptoms such as throat mucosa injury, hemotoncus or bleeding accidentally, is brought to the suction sputum operation of medical staff all More unfavorable factors.
Invention content
It is above-mentioned insufficient to solve the problems, such as, a kind of closed sputum aspirator is provided, it can be during suction sputum to phlegm The flow of liquid controls the unlatching of solenoid valve into monitoring, and liquid or the difficult sputum being sucked out of flushing liquor dilution is added.
The present invention uses following technical scheme:
A kind of closed sputum aspirator, including T-type triple valve 1,8 insertion end of sputum aspirator tube that is connect with T-type triple valve 1 are equipped with The tapering point of fluid injection pipe device 2, one end of sputum aspirator tube pipe shaft is inserted by sputum aspirator tube insertion end in T-type triple valve, the suction The other end of phlegm pipe connects negative pressure control valve 9, and the end of the negative pressure control valve 9 is connected to sputum aspirator connector, the note Liquid pipe device 2 is equipped with solenoid valve 3 in being connect with sputum aspirator tube insertion end, and solenoid valve 3 is connect by conducting wire with controller, the note Liquid pipe device 2 includes the container 4 equipped with cleaning solution, and an annular flow is arranged in the head position of the tapering point of the insertion end of sputum aspirator tube Gauge 5, the annular flow gauge 5 are the annular for having thickness, and the medium filled between circle and outer circle including inner circle is latex, And four through-holes 12 are disposed radially between inner circle and outer circle, the position setting between two through-holes of the arbitrary neighborhood The signal wire of pressure sensor 13, the pressure sensor 13 in the annular flow gauge 5 is connect with controller, and controller is real-time Receive the pressure value of four pressure sensors in annular flowmeter 5;In the sputum aspirator tube pipe shaft interface being connect with T-type triple valve 1 An embedded anti-suck-back device 6.
The anti-suck-back device 6 is a circular diaphragm, and five equal portions, the circle are divided into from circle centre position by diaphragm Diaphragm is made of resin material.
A kind of application method of closed sputum aspirator is:Negative pressure control valve 9 is by close for sputum aspirator tube under the situation of lower valve Closed state is pressed, and is opened, and sputum aspirator tube 8 starts to draw sputum, and the ring in the tapering point head position of 8 insertion end of sputum aspirator tube is arranged Shape flowmeter 5 is started to work, and the signal wire of four pressure sensors in the annular flow gauge 5 is connect with controller, is controlled The pressure value of four pressure sensors of device real-time reception processed, when sucking sputum unobstructed in sputum aspirator tube, four sensor detections The pressure value arrived is equal in magnitude, illustrates that sputum is relatively more, when the pressure sensor of wherein one or two is significantly less than its overbottom pressure When force snesor, illustrate that sputum amount is few, when four pressure sensors have not detected that liquid flows into, controller according to Real-time reception to pressure sensor pressure signal and preset time threshold be compared judgement, it is pre- in more than controller If time threshold when, when the pressure sensor in annular flow gauge 5 has also been not detected sputum and flows into, controller sends corresponding Control command to solenoid valve, open solenoid valve 3, the medicine that drips from fluid injection pipe device 2 automatically drop or dilution, dilute sputum Concentration, to help sputum is sucked out.
The beneficial effects of the invention are as follows:Can during suction sputum to the flow of sputum into monitoring, control solenoid valve It opens, liquid or the difficult sputum being sucked out of flushing liquor dilution is added, there is automation, save the time, improve the safety etc. of suction sputum Feature.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the sectional view of annular flow gauge of the present invention.
Fig. 3 is the structure chart of the anti-suck-back device of the present invention.
Wherein 1 is T-type triple valve, and 2 be fluid injection pipe device, and 3 be solenoid valve, and 4 are equipped with the container of cleaning solution, and 5 be annular Flowmeter, 6 be anti-suck-back device, and 7 be transparent membrane protective jacket, and 8 be sputum aspirator tube, and 9 be negative pressure control valve, and 10 be that trachea cannula connects Interface, 11 be lung ventilator connector, and 12 be through-hole, and 13 be pressure sensor.
Specific implementation mode
The present invention is described further with reference to the accompanying drawings and detailed description.
A kind of closed sputum aspirator, including T-type triple valve 1,8 insertion end of sputum aspirator tube that is connect with T-type triple valve 1 are equipped with The tapering point of fluid injection pipe device 2, one end of sputum aspirator tube pipe shaft is inserted by sputum aspirator tube insertion end in T-type triple valve, the suction The other end of phlegm pipe connects negative pressure control valve 9, and the end of the negative pressure control valve 9 is connected to sputum aspirator connector, the note Liquid pipe device 2 is equipped with solenoid valve 3 in being connect with sputum aspirator tube insertion end, and solenoid valve 3 is connect by conducting wire with controller, the note Liquid pipe device 2 includes the container 4 equipped with cleaning solution, and an annular flow is arranged in the head position of the tapering point of the insertion end of sputum aspirator tube Gauge 5, the annular flow gauge 5 are the annular for having thickness, and the medium filled between circle and outer circle including inner circle is latex, And four through-holes 12 are disposed radially between inner circle and outer circle, the position setting between two through-holes of the arbitrary neighborhood The signal wire of pressure sensor 13, the pressure sensor 13 in the annular flow gauge 5 is connect with controller, and controller is real-time Receive the pressure value of four pressure sensors in annular flowmeter 5;In the sputum aspirator tube pipe shaft interface being connect with T-type triple valve 1 An embedded anti-suck-back device 6;The anti-suck-back device 6 is a circular diaphragm, and five equal portions are divided into from circle centre position by diaphragm, The circular diaphragm is made of resin material, when opening negative pressure control valve 9 starts to draw sputum, this anti-suck-back device 6 It being in an open state, opening state is an annular channel, and when closing negative pressure control valve, this anti-suck-back device is closed state, It prevents after negative pressure control valve is closed suddenly, remaining sputum, which is flow backwards, in sputum aspirator tube enters human body, and secondary injury is caused to human body.
A kind of application method of closed sputum aspirator is:Negative pressure control valve 9 is by close for sputum aspirator tube under the situation of lower valve Closed state is pressed, and is opened, and sputum aspirator tube 8 starts to draw sputum, and the ring in the tapering point head position of 8 insertion end of sputum aspirator tube is arranged Shape flowmeter 5 is started to work, and the signal wire of four pressure sensors in the annular flow gauge 5 is connect with controller, is controlled The pressure value of four pressure sensors of device real-time reception processed, when sucking sputum unobstructed in sputum aspirator tube, four sensor detections The pressure value arrived is equal in magnitude, illustrates that sputum is relatively more, when the pressure sensor of wherein one or two is significantly less than its overbottom pressure When force snesor, illustrate that sputum amount is few, when four pressure sensors have not detected that liquid flows into, controller according to Real-time reception to pressure sensor pressure signal and preset time threshold be compared judgement, it is pre- in more than controller If time threshold when, when the pressure sensor in annular flow gauge 5 has also been not detected sputum and flows into, controller sends corresponding Control command to solenoid valve, open solenoid valve 3, the medicine that drips from fluid injection pipe device 2 automatically drop or dilution, dilute sputum Concentration, to help sputum is sucked out.
The closed sputum aspirator of the present invention has the characteristics that automation, can save the time, improve the safety of suction sputum with The reliability of operation.
What has been described above is only a preferred embodiment of the present invention, it is noted that for those skilled in the art, Under the premise of not departing from general idea of the present invention, several changes and improvements can also be made, these should also be considered as the present invention's Protection domain.

Claims (2)

1. a kind of closed sputum aspirator, including T-type triple valve(1)And T-type triple valve(1)The sputum aspirator tube of connection(8)In insertion end Equipped with fluid injection pipe device(2), sputum aspirator tube(8)The tapering point of one end of pipe shaft is inserted into T-type triple valve by sputum aspirator tube insertion end(1) In, the other end of the sputum aspirator tube connects negative pressure control valve(9), the negative pressure control valve(9)End be connected to sputum aspirator Connector, it is characterised in that:The fluid injection pipe device(2)Solenoid valve is equipped in being connect with sputum aspirator tube insertion end(3), solenoid valve (3)It is connect with controller by conducting wire, the fluid injection pipe device(2)It include the container equipped with cleaning solution(4), in sputum aspirator tube An annular flow gauge is arranged in the head position of the tapering point of insertion end(5), the annular flow gauge(5)To there is the ring of thickness Shape, the medium filled between inner circle and outer circle is latex, and four through-holes are disposed radially between inner circle and outer circle(12), Two through-holes of arbitrary neighborhood(12)Between position be arranged pressure sensor(13), the annular flow gauge(5)In pressure Force snesor(13)Signal wire connect with controller, controller real-time reception annular flow gauge(5)In four pressure sensors Pressure value;With T-type triple valve(1)The sputum aspirator tube pipe shaft interface of connection embeds an anti-suck-back device(6).
2. closed sputum aspirator as described in claim 1, it is characterised in that:The anti-suck-back device(6)For a circle Diaphragm is divided into five equal portions from circle centre position by diaphragm, is made of resin material.
CN201710895345.1A 2017-09-28 2017-09-28 Closed sputum aspirator Active CN107569726B (en)

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Application Number Priority Date Filing Date Title
CN201710895345.1A CN107569726B (en) 2017-09-28 2017-09-28 Closed sputum aspirator

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Application Number Priority Date Filing Date Title
CN201710895345.1A CN107569726B (en) 2017-09-28 2017-09-28 Closed sputum aspirator

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CN107569726A CN107569726A (en) 2018-01-12
CN107569726B true CN107569726B (en) 2018-07-31

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203555984U (en) * 2013-10-23 2014-04-23 江西格兰斯医疗器械有限公司 Novel medical closed suction catheter
CN203885983U (en) * 2014-06-06 2014-10-22 宁波华坤医疗器械有限公司 Closed type suction catheter
WO2016006496A1 (en) * 2014-07-11 2016-01-14 株式会社村田製作所 Suction device
CN205252145U (en) * 2015-10-12 2016-05-25 濡新(北京)科技发展有限公司 Expectoration system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130144268A1 (en) * 2011-12-02 2013-06-06 Pacific Hospital Supply Co., Ltd. Sealing valve cover used in sputum suction pipe
US20130312759A1 (en) * 2012-05-24 2013-11-28 Pacific Hospital Supply Co., Ltd. Airtight suction device with air supply function and rotary switch thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203555984U (en) * 2013-10-23 2014-04-23 江西格兰斯医疗器械有限公司 Novel medical closed suction catheter
CN203885983U (en) * 2014-06-06 2014-10-22 宁波华坤医疗器械有限公司 Closed type suction catheter
WO2016006496A1 (en) * 2014-07-11 2016-01-14 株式会社村田製作所 Suction device
CN205252145U (en) * 2015-10-12 2016-05-25 濡新(北京)科技发展有限公司 Expectoration system

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