CN209060113U - Closed sputum aspirator tube - Google Patents

Abstract

The utility model provides a kind of closed sputum aspirator tube, it is related to medical instruments field, the closed sputum aspirator tube includes machine end and patient end, and the patient end includes sequentially connected three-way connection and check valve, and the both ends of the check valve are separately connected the three-way connection and suction sputum pipeline；The check valve can be such that the suction tube of the suction sputum pipeline passes through, and the check valve can be closed voluntarily after the suction tube is extracted.The closed sputum aspirator tube of the application, alleviates the technical problem that safety existing for sputum aspirator tube in the prior art is low, and structural volume is big, weight is big.

Description

Closed sputum aspirator tube

Technical field

The utility model relates to medical instruments fields, more particularly, to a kind of closed sputum aspirator tube.

Background technique

Sputum aspirator tube is for aspirating sputum.One end of sputum aspirator tube is connect with Negative pressure machine, and the other end is provided with three-way connection. One of interface of three-way connection connects on sputum aspirator tube, other two interface connects peripheral hardware.Two interfaces for connecing peripheral hardware connect respectively Connect artificial airway's system and breathing circuit system.There is trachea cannula in artificial airway's system, sputum aspirator tube is connected to trachea cannula Interface.By in the air flue of one end insertion human body of the Mo Feikong of trachea cannula, air bag is inflated with fixation after determining good position The position of trachea cannula.The interface section of trachea cannula stretches out human body via oral cavity at this time, and sputum aspirator tube is just connected to this interface. The purpose of connection breathing circuit system is not interrupt oxygen supply during suction sputum.

Sputum aspirator tube includes machine end and patient end, is suction sputum pipeline among machine end and patient end.Machine end includes negative pressure Control switch and vacuum suction machine interface.Patient end includes tracheal cannula joint and breath return circuit joint.Suction sputum pipeline includes inhaling The both ends of skirt and bag film, bag film are tightly connected by clip and machine end and patient end, and suction tube is fixed with machine end Connection, suction tube can stretch in patient end.Three-way connection setting is in patient end, in the close suction sputum pipeline of three-way connection One end is provided with isolating valve.

The connection method of sputum aspirator tube is: the vacuum suction machine interface of machine end being connected to attractor, by the gas of patient end The connection of the corresponding interface of cannula connector and trachea cannula, the breath return circuit joint of patient end is connect with ventilator.Machine end Vacuum cavitations switch be normally closed switch, need suction sputum Shi doctor's Manual press vacuum cavitations switch.It is not needing to attract sputum When patient end isolating valve be in off state, only when suction sputum in need just open isolating valve, suction tube is inserted via trachea cannula Enter in human respiratory tract.

The process of sputum aspirator tube attraction sputum is: when needing suction sputum to intervene, first turns on aspirator and adjusts negative pressure pressure, The overhanging pipe of aspirator is connected with the vacuum suction machine interface of machine end simultaneously.Secondly, open isolating valve, by suction tube via Trachea cannula is inserted into human respiratory tract.It is provided with scale on the conduit on suction tube and trachea cannula on sputum aspirator tube, is led to It crosses the corresponding coincidence of the scale of the two, the end of the conduit on the front end and trachea cannula of the suction tube on sputum aspirator tube is aligned. The suction tube promoted on sputum aspirator tube is continued thereafter with, general advance distance can make the front end of the suction tube on sputum aspirator tube at 2 centimetres Touch the secretion such as sputum.Finally, pressing vacuum cavitations switch on one side, suction tube is withdrawn from one side.As suction tube is withdrawn from, remove To after isolating valve, sputum enters in the bag film of suction sputum pipeline.

When suction tube is removed after isolating valve, isolating valve is closed.There are flushing hole and flushing pipe on rear side of isolating valve, leads to It crosses and injects flushing liquor to flushing hole to clean to the sputum in official jargon.There are also medicine-pouring holes on three-way connection, for example, working as sputum Via medicine-pouring hole saline injection when needing to dilute.

Above-mentioned sputum aspirator tube has the following problems: since the structural volume of isolating valve is larger, and isolating valve is when in use It is constantly in vacant state, the presence of isolating valve can cause to pull to entire pipeline, and sputum aspirator tube is caused to be easy to be detached from from human body.This Outside, it also found that the presence of isolating valve can bring sense of discomfort to patient in clinic, be easy to cause the accidents such as Extubation in Patients.In addition, The vacuum cavitations switch of machine end is normally closed switch, and spring is being arranged inside.In use, being opened by the spring touched in it Vacuum cavitations switch.But vacuum cavitations switch is also easy that patient is allowed to accidentally touch when not in use.

To sum up, a kind of closed sputum aspirator tube how is provided, overall volume is small, light-weight, and safety is good, is this field skill Art personnel's urgent problem to be solved.Based on this, the utility model provides a kind of closed sputum aspirator tube and is asked with solving above-mentioned technology Topic.

Utility model content

The purpose of this utility model is to provide a kind of closed sputum aspirator tubes, are deposited with alleviating sputum aspirator tube existing in the prior art Safety it is low, the technical problem that structural volume is big, weight is big.

Closed sputum aspirator tube provided by the utility model, including machine end and patient end, the patient end include being sequentially connected Three-way connection and check valve, the both ends of the check valve are separately connected the three-way connection and suction sputum pipeline；The check valve The suction tube of the suction sputum pipeline can be made to pass through, and the check valve can be closed voluntarily after the suction tube is extracted.

Further, the check valve includes valve body and spool, and the spool is fixedly connected in the valve body；It is described Spool uses silica gel, and the spool is valve structure；The valve structure includes at least two valves.

Further, the spool is circle, and the valve structure is the structure prolonging half radial circumference from the center of circle and dissipating.

Further, the valve structure has 6 to 10 valves.

Further, the starting point at the separated place of the adjacent petals of the valve structure the center of circle, clearing end on a radius.

Further, the separated length of the adjacent valve accounts for 1/4 to the 3/4 of entire radius length.

Further, the outer diameter of the valve body is 0.5cm to 2.5cm.

A kind of closed sputum aspirator tube is provided in the present embodiment, and the closed sputum aspirator tube includes machine end and patient end.Its Machine end is connected with vacuum suction machine, and vacuum suction machine, which is used to provide in suction sputum, draws required power.Patient end, that is, it is whole A suction sputum one end close from patient.Patient end on closed sputum aspirator tube has three-way connection, and three-way connection includes three interfaces, In an interface be connected on closed sputum aspirator tube, other two interface is respectively trachea cannula interface and ventilator interface.It breathes back Road connects on ventilator interface, does not interrupt the supply of oxygen during suction sputum.

Suction sputum pipeline includes suction tube and bag film, and the both ends of bag film are connected by clip and the sealing of machine end and patient end It connects, suction tube is fixedly connected with machine end, and suction tube can stretch in patient end.

Patient end includes sequentially connected three-way connection and check valve, check valve be connected to three-way connection and suction sputum pipeline it Between.Check valve can be such that the suction tube of suction sputum pipeline passes through, and check valve can be closed voluntarily after suction tube is extracted.Threeway There are also medicine-pouring ports on connector, for example, when sputum needs to dilute via medicine-pouring hole saline injection.

The closed sputum aspirator tube of the present embodiment, the process by the attraction sputum after connection is: when needing suction sputum to intervene, It first turns on aspirator and adjusts negative pressure pressure, while the vacuum suction machine interface of the overhanging pipe of aspirator and machine end being connected It connects.Then nursing staff is by the suction tube of suction sputum pipeline directly through check valve, and it is slotting to go deep into tracheae for suction tube after check valve In the conduit of pipe, via in trachea cannula insertion human respiratory tract.On the conduit on suction tube and trachea cannula on sputum aspirator tube It is provided with scale, is overlapped by corresponding to the scale of the two, it will be on the front end and trachea cannula of the suction tube on sputum aspirator tube The end of conduit is aligned.The suction tube promoted on sputum aspirator tube is continued thereafter with, general advance distance can make on sputum aspirator tube at 2 centimetres The front end of suction tube touch the secretion such as sputum.Finally, pressing vacuum cavitations switch on one side, suction tube is withdrawn from one side.When Check valve can be closed voluntarily when suction tube is removed after check valve.There are flushing hole and flushing between check valve and suction sputum pipeline Pipe cleans the sputum in official jargon by injecting flushing liquor to flushing hole.

The closed sputum aspirator tube of the present embodiment, check valve can be such that the suction tube of suction sputum pipeline passes through, and pull out in suction tube Out after check valve, check valve can be closed voluntarily.Compared with isolating valve, since isolating valve includes that suction tube is made to pass through and cannot make Suction tube is set to pass through two states, spool will have conducting and closure two states.The spool of check valve is only required to make to inhale Skirt passes through, it is seen that the volume and weight of check valve can be smaller than isolating valve.

The utility model additionally provides a kind of closed sputum aspirator tube, including the upper closed sputum aspirator tube, the machine end packet Negative pressure switch is included, the negative pressure switch has locking function, can keep the negative pressure switch in off position.

Further, the negative pressure switch includes deflating cap, inner support column and spring；The deflating cap is arranged described interior On the outside of support column, and it is rotatablely connected with the inner support column；Deflating cap includes two escape ports, and the escape port is for avoiding institute State the vacuum suction connector of machine end；The inner support column includes cavity, and the spring is arranged in the cavity, the spring For pressure spring, the both ends of the spring are against the downside of the deflating cap and the inside bottom wall of the cavity respectively.

Further, the negative pressure switch further includes blocking seat, and the separate of the inner support column is arranged in the blocking seat One end of the deflating cap.

The beneficial effect of the closed sputum aspirator tube of the present embodiment is:

1, during suction sputum, air flue and the external world of patient is relatively isolated, and is prevented medical staff infected, is improved medical care people The safety of member.

2, isolating valve is substituted for check valve, not only realizes the effect of isolation, but also do not need during suction sputum Medical staff is opened and closed isolating valve manually, simplifies operation, particular avoids forgetting the problem of closing isolating valve, improves patient's Safety.

3, the structure of check valve simplifies, and volume and weight can be reduced.

4, safety fittings are also provided in machine end, there is locking function in the negative pressure switch of machine end, born to prevent It compresses switch and is accidentally touched, improve the safety of medical staff and patient.

Based on this, the utility model is compared with original technology, and with high security, structure is simple, overall volume is small, weight is small The advantages of.

Detailed description of the invention

It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art Under the premise of labour, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is the structural schematic diagram of the closed sputum aspirator tube of embodiment two；

Fig. 2 is the structural schematic diagram of check valve；

Fig. 3 is a kind of structure of spool；

Fig. 4 is the structure of another spool；

Fig. 5 is state diagram of the closed sputum aspirator tube in suction sputum；

Fig. 6 is the structure chart of negative pressure switch, and diagram state is the lockup state of negative pressure switch；

Fig. 7 is the structure chart of negative pressure switch, and diagram state is the normal condition of negative pressure switch.

Label: 100- machine end；110- vacuum suction connector；120- negative pressure switch；121- deflating cap；In 122- Support column；123- blocking seat；124- escape port；200- patient end；210- three-way connection；211- trachea cannula interface； 212- ventilator interface；220- feeding opening；230- check valve；231- valve body；232- spool；234- valve；300- suction sputum Pipeline；310- suction tube；320- bag film；400- flushing hole.

Specific embodiment

The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical Novel protected range.

In the description of the present invention, it should be noted that such as occur term " center ", "upper", "lower", " left side ", " right side ", "vertical", "horizontal", "inner", "outside" etc., indicated by orientation or positional relationship be orientation based on the figure or Positional relationship is merely for convenience of describing the present invention and simplifying the description, rather than the device or member of indication or suggestion meaning Part must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention. In addition, such as there is term " first ", " second ", " third " are used for description purposes only, be not understood to indicate or imply opposite Importance.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, such as there is term " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one Connect to body；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be indirect by intermediary It is connected, can be the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition State the concrete meaning of term in the present invention.

Embodiment one

As Figure 1-Figure 5, a kind of closed sputum aspirator tube is provided in the present embodiment, and the closed sputum aspirator tube includes machine Device end 100 and patient end 200.Its machine end 100 is connected with vacuum suction machine, and vacuum suction machine is for providing absorption in suction sputum Required power.Patient end 200, that is, one end that entire suction sputum is close from patient.Patient end 200 on closed sputum aspirator tube has three Pass joint 210, three-way connection 210 include three interfaces, and one of interface is connected on closed sputum aspirator tube, other two interface point It Wei not trachea cannula interface 211 and ventilator interface 212.Breathing circuit connects on ventilator interface 212, during suction sputum not Interrupt the supply of oxygen.

Such as Fig. 1 and Fig. 5, suction sputum pipeline 300 includes suction tube 310 and bag film 320, and the both ends of bag film 320 pass through card Hoop is tightly connected with machine end 100 and patient end 200, and suction tube 310 is fixedly connected with machine end 100, and suction tube 310 is in patient It can stretch in end 200.

Such as Fig. 1 and Fig. 5, patient end 200 includes sequentially connected three-way connection 210 and check valve 230, and check valve 230 connects It connects between three-way connection 210 and suction sputum pipeline 300.Check valve 230 can be such that the suction tube 310 of suction sputum pipeline 300 passes through, and And check valve 230 can be closed voluntarily after suction tube 310 is extracted.There are also feeding openings 220 on three-way connection 210, for example, working as Via medicine-pouring hole saline injection when sputum needs to dilute.

Such as Fig. 1 and Fig. 5, the closed sputum aspirator tube of the present embodiment, the process by the attraction sputum after connection is: working as needs It when suction sputum is intervened, first turns on aspirator and adjusts negative pressure pressure, while by the negative pressure of aspirator overhanging pipe and machine end 100 The connection of attractor interface.Then nursing staff passes through unidirectional by the suction tube 310 of suction sputum pipeline 300 directly through check valve 230 Suction tube 310 gos deep into the conduit of trachea cannula after valve, via in trachea cannula insertion human respiratory tract.Attraction on sputum aspirator tube It is provided with scale on conduit on pipe 310 and trachea cannula, is overlapped by corresponding to the scale of the two, by the suction on sputum aspirator tube The end of conduit on the front end and trachea cannula of skirt 310 is aligned.Continue thereafter with promote sputum aspirator tube on suction tube 310, one As advance distance in the front end of 2 centimetres of suction tubes that can make on sputum aspirator tube 310 touch the secretion such as sputum.Finally, on one side Vacuum cavitations switch is pressed, withdraws from suction tube 310 on one side.When suction tube 310 is removed after check valve, check valve can be voluntarily It closes.Have flushing hole 400 and flushing pipe between check valve and suction sputum pipeline 300, by flushing hole 400 inject flushing liquor come Sputum in official jargon is cleaned.

The closed sputum aspirator tube of the present embodiment, check valve can be such that the suction tube 310 of suction sputum pipeline 300 passes through, and inhale After skirt 310 extracts check valve, check valve can be closed voluntarily.Compared with isolating valve, since isolating valve includes making suction tube 310 It passes through and suction tube 310 cannot be made to pass through two states, spool will have conducting and closure two states.The valve of check valve Core is only required to pass through suction tube 310, it is seen that the volume and weight of check valve can be smaller than isolating valve.

Such as Fig. 2, in the optinal plan of the present embodiment, the check valve 230 includes valve body 231 and spool 232, the valve Core is fixedly connected in the valve body；The spool uses silica gel, and the spool is valve structure；The valve structure includes The suction tube 310 of at least two valves 234, the suction sputum pipeline is passed through from the gap of the adjacent valve 234.

The material of the spool of check valve is silica gel.Spool is valve structure, including at least two valves 234.Need suction sputum When, the suction tube 310 of suction sputum pipeline can be passed through from the gap of adjacent valve 234.Suction sputum finishes withdraw from sputum aspirator tube after, by It is silica gel material in spool, the valve of spool can closure voluntarily.

Such as Fig. 3, further, the spool is circle, and the valve structure is to prolong what half radial circumference dissipated from the center of circle Structure.

Such as Fig. 3 and Fig. 4, further, the valve structure has 6 to 10 valves.

Such as Fig. 4, further, the starting point at the separated place of the adjacent petals of the valve structure is in the center of circle, and clearing end is half On diameter.

Such as Fig. 4, further, the separated length of adjacent petals accounts for 1/4 to the 3/4 of entire radius length.

Further, the outer diameter of the valve body is 0.5cm to 2.5cm.

Such as Fig. 5, the diameter of the connecting tube before and after check valve is between 1cm to 1.5cm.The outer diameter of the check valve of the application is 0.5cm is between 2.5cm, that is to say, that when using general suction sputum pipeline, the outer dimension and connection sputum aspirator tube of check valve The size of the pipe on road is similar.Compared with the sputum aspirator tube of other forms, the outside ruler of the check valve of the sputum aspirator tube in the present embodiment It is very little can be smaller.Check valve includes valve body and spool, and plastics universal on existing sputum aspirator tube, valve can be used in the material of valve body Core uses silica gel.Overall weight also can be smaller in the case that check valve with above structure is smaller on the outside.Therefore, originally Sputum aspirator tube in embodiment, it is too many that the part of check valve will not protrude structure, it is not easy to hang up other structures, will not cause to suffer from Person's is uncomfortable, is avoided that the malpractice that pipeline caused by patient activity falls off.

Embodiment two

As shown in Fig. 1-Fig. 7, the closed sputum aspirator tube provided in this embodiment is to the described close of the offer of embodiment one The further improvement of sputum aspirator tube is closed, technical solution described in embodiment one also belongs to the embodiment, and embodiment one has been described Technical solution be not repeated to describe.

Specifically, as Figure 6-Figure 7, providing a kind of closed sputum aspirator tube, the machine end packet in the present embodiment Negative pressure switch 120 is included, the negative pressure switch 120 has locking function, the negative pressure switch 120 is maintained at closing shape State opens the effect of safety lock, prevent negative pressure switch in off position when by false triggering.Negative pressure switch 120 is normally closed switch, only It is just opened when having suction sputum.

Such as Fig. 6 and Fig. 7, further, a kind of structure of negative pressure switch 120 is: negative pressure switch 120 include deflating cap 121, Inner support column 122, spring.For the setting of deflating cap 121 in 122 outside of inner support column, the inner support column 122 includes cavity, The spring is arranged in the cavity, and the spring is pressure spring, and the both ends of the spring are against the deflating cap 121 respectively Downside and the cavity inside bottom wall.

The spring of negative pressure switch 120 is pressure spring, the spring in compressive state deflating cap 121 and inner support column 122 it Between, when nobody presses, negative pressure switch is in off state.When needing to open negative pressure switch, deflating cap 121 is pressed, when deflating cap is pressed Under moment, negative pressure switch is in the open state.

Fig. 6 is the lockup state figure of negative pressure switch, and the setting of deflating cap 121 is on the outside of interior support column 122, and and inner support Column 122 is rotatablely connected, and deflating cap 121 includes two escape ports 124, and the vacuum suction that escape port 124 is used to avoid machine end connects First 110.When needing to open negative pressure switch, rotating switch cap 121 goes to the state of Fig. 6.

Fig. 7 is the normal condition figure of negative pressure switch.The escape port 124 of deflating cap 121 at this time, presses deflating cap 121 at this time When, due to there is the presence of escape port 124, deflating cap can press what escape port 124 was mutually abutted with vacuum suction connector 110 State.In the state of there was only rotary switc cap 121 to Fig. 7, deflating cap 121 could be pressed.

Such as Fig. 6 and Fig. 7, further, the negative pressure switch 120 further includes blocking seat 123, and the blocking seat 123 is arranged In one end far from the deflating cap 121 of the inner support column 122.Blocking seat 123 is used for the behaviour when pressing negative pressure switch Hand provides biggish supporting surface.

The beneficial effect of the closed sputum aspirator tube of the present embodiment is:

1, during suction sputum, air flue and the external world of patient is relatively isolated, and is prevented medical staff infected, is improved medical care people The safety of member.

2, isolating valve is substituted for check valve, not only realizes the effect of isolation, but also do not need during suction sputum Medical staff is opened and closed isolating valve manually, simplifies operation, particular avoids forgetting the problem of closing isolating valve, improves patient's Safety.

3, the structure of check valve simplifies, and volume and weight can be reduced.

4, machine end is also provided with safety fittings, has locking function in the negative pressure switch of machine end, for preventing negative pressure Switch is accidentally touched, and the safety of medical staff and patient are improved.

Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new The range of each embodiment technical solution of type.

Claims (10)

1. a kind of closed sputum aspirator tube, which is characterized in that including machine end and patient end, the patient end includes sequentially connected three Pass joint and check valve, the both ends of the check valve are separately connected the three-way connection and suction sputum pipeline；The check valve can Pass through the suction tube of the suction sputum pipeline, and the check valve can be closed voluntarily after the suction tube is extracted.

2. closed sputum aspirator tube according to claim 1, which is characterized in that the check valve includes valve body and spool, described Spool is fixedly connected in the valve body；The spool uses silica gel, and the spool is valve structure；The valve structure packet Include at least two valves.

3. closed sputum aspirator tube according to claim 2, which is characterized in that the spool is circle, and the valve structure is Prolong the structure that half radial circumference dissipates from the center of circle.

4. closed sputum aspirator tube according to claim 3, which is characterized in that the valve structure has 6 to 10 valves.

5. closed sputum aspirator tube according to claim 3, which is characterized in that the separated place of the adjacent petals of the valve structure Starting point the center of circle, clearing end on a radius.

6. closed sputum aspirator tube according to claim 5, which is characterized in that the separated length of the adjacent valve accounts for entire half 1/4 to the 3/4 of electrical path length.

7. closed sputum aspirator tube according to claim 2, which is characterized in that the outer diameter of the valve body is 0.5cm to 2.5cm.

8. a kind of closed sputum aspirator tube, which is characterized in that described including the described in any item closed sputum aspirator tubes of such as claim 1-7 Machine end includes negative pressure switch, and the negative pressure switch has locking function, can keep the negative pressure switch in off position.

9. closed sputum aspirator tube according to claim 8, which is characterized in that the negative pressure switch includes deflating cap, inner support Column and spring；

The deflating cap is arranged on the outside of the inner support column, and is rotatablely connected with the inner support column；The deflating cap includes Two escape ports, the escape port are used to avoid the vacuum suction connector of the machine end；

The inner support column includes cavity, and the spring is arranged in the cavity, and the spring is pressure spring, and the two of the spring End is against the downside of the deflating cap and the inside bottom wall of the cavity respectively.

10. closed sputum aspirator tube according to claim 9, which is characterized in that the negative pressure switch further includes blocking seat, described One end far from the deflating cap of the inner support column is arranged in blocking seat.