CN110464893A - Emergence fast and safely sputum aspirator - Google Patents

Abstract

The present invention provides Emergence fast and safely sputum aspirator, solves sputum in the prior art and flows into negative pressure cavity and pollutes, and is not easy cleaning and sterilizing；Sputum aspirator tube is drawn onto the problem of throat inner wall can damage throat.Including piston cylinder, piston cylinder includes cylinder, vent valve, piston rod, flexible handle, the front end of piston cylinder is connected with pipe fitting, pipe fitting is connected with sputum aspirator tube, and sputum aspirator tube is connected with suction sputum ball, and multiple suction sputum mouths are provided on the outer surface of suction sputum ball, sputum bottle interface is installed, sputum bottle interface is connected with sputum bottle below cylinder.The present invention can reduce rotary pulling sputum aspirator tube to patient throat bring pain by using spherical suction sputum ball；By multiple suction sputum mouths, the case where throat's inner wall is sucked in sputum aspirator tube can be avoided；Using the sputum aspirator tube of two cavity configuration of a pipe, the function of suctioning sputum on one side dilute sputum while can be realized；Using slidable movable slider and lifting slider, the situation that sputum during suction sputum enters in piston cylinder can be avoided.

Description

Emergence fast and safely sputum aspirator

Technical field

The present invention relates to the field of medical instrument technology, specifically Emergence fast and safely sputum aspirator.

Background technique

Sputum aspirator is mainly used in clearing of respiratory tract phlegm, currently, hospital is for the vomiting of headstroke stupor, pulmonary infection phlegm The rescue of the patients such as bolt, surgical operation, acute laryngemphraxis, emergency treatment tracheotomy will carry out trachea cannula and through gas such as oropharynx suction sputums Road management measure, to remove airway secretions or foreign matter, so that airway patency is kept, if airway secretions or vomitus cleaning Not in time, can cause infection exacerbations, side atelectasis, it is serious when can lead to patient asphyxia even death serious consequence.

Currently, in hospital clinical nursing, generally use electric sputum sucker in first aid procedures, it is not only at high cost, heavy without It is easy to carry, it is often more important that must rely on power supply could work, and need to assemble sputum aspirator when first aid, can delay patient Rescue time, while also making troubles outdoor development rescue, it is unsuitable for being widely used, and existing Manpower sputum aspirator is generally adopted Non-energy-consumption, noiseless with negative-pressure design, and special messenger is dedicated, can avoid cross-infection, use is safe, but it is existing manually Sputum aspirator collection phlegm is ineffective, and sputum is easy to flow into negative pressure cavity during suction sputum, not only pollutes and is not easy clear to negative pressure cavity It washes, sterilize, also, either electric sputum sucker or Manpower sputum aspirator are all to carry out suction sputum using single sputum aspirator tube, first Sputum aspirator tube is injected bottleneck throat from the mouth of patient, then sputum aspirator tube is lifted in rotation, can cause suffering in this way to patient, such as The suction sputum mouth of fruit sputum aspirator tube is drawn onto throat inner wall, and the negative pressure increase inside sputum aspirator tube can then damage patient throat.

Therefore, the present invention provides Emergence and is solved the above problems with fast and safely sputum aspirator.

Summary of the invention

For above situation, for the defect for overcoming the prior art, the present invention provides Emergence fast and safely sputum aspirator, Sputum is easy to flow into negative pressure cavity and pollutes effective solution in the prior art, is not easy cleaning and sterilizing；Suction is lifted in rotation Phlegm pipe, which carries out suction sputum, to cause suffering to patient；The suction sputum mouth of sputum aspirator tube is drawn onto throat inner wall, and the negative pressure inside sputum aspirator tube increases The problem of patient throat being damaged.

Emergence fast and safely sputum aspirator, including piston cylinder, the piston cylinder include cylinder, vent valve, sliding peace Through cylinder back-end and flexible handle is connected with mounted in the intracorporal piston rod of cylinder, piston rod, which is characterized in that the piston cylinder Front end is connected with pipe fitting, and the other end of the pipe fitting is connected with sputum aspirator tube, and the other end of the sputum aspirator tube integrally connects It is connected to suction sputum ball, is provided on the outer surface of the suction sputum ball multiple through suction sputum suction sputum ball inside and be connected to respectively with sputum aspirator tube Mouthful, the sputum bottle interface with check valve is installed below the cylinder, the sputum bottle interface is connected with sputum bottle.

Preferably, the inside of the pipe fitting and sputum aspirator tube is divided into charging line and suction sputum pipeline, the suction by partition Phlegm pipeline is connected to multiple suction sputum mouths, and the suction sputum pipeline in the pipe fitting is equipped with check valve, the suction sputum ball it is outer Multiple mouth sprays being connected to charging line and be located above multiple suction sputum mouths are provided on surface, on the outer surface of pipe fitting It is connected with the filling opening being connected to charging line.

Preferably, be equipped with the bulb stopper chamber being connected to each suction sputum mouth in the suction sputum ball, the bulb stopper is intracavitary be placed with it is more A bulb stopper.

Preferably, the diameter of multiple bulb stoppers is greater than the diameter of bulb stopper chamber opening, and the diameter of multiple bulb stoppers is greater than The diameter of each suction sputum mouth.

Preferably, the intracorporal front end of the cylinder is slidably fitted with the bevelled movable slider of top tape, the movable slider It is fixedly connected between piston rod, the intracorporal top of cylinder is fixedly installed with the locating rod above movable slider, described The bevelled lifting slider of bottom belt is slidably fitted in locating rod, the inclined-plane at the top of the movable slider and lifting slider bottom Inclined-plane sliding contact, the compressed spring being equipped in the locating rod between lifting slider and cylinder inboard wall.

Preferably, the rear end of the movable slider is connected with connecting plate, and lock mounting groove is provided on the connecting plate, The bevelled lock of top tape is slidably fitted in lock mounting groove, the bottom of the lock and lock mounting groove is equipped with lock Spring, the inside of the piston rod are provided with the through-hole through piston rod rear and front end, and latch hook bar is slidably fitted in through-hole, described The front end of latch hook bar is connected with the bevelled latch hook of bottom belt, be slidably fitted on the latch hook bar on rear side of the latch hook and The rear end of the bevelled sliding lock block of bottom belt, the latch hook bar is connected with the button on rear side of piston rod.

Preferably, the button spring being equipped on the latch hook bar between piston rod and button, on the piston rod The reset spring being equipped between piston rod and cylinder.

Preferably, the rear end of the cylinder is connected with the fixation handle of annular, and the flexible handle is slidably mounted on In fixed handle.

The present invention can reduce during suction sputum rotary pulling sputum aspirator tube to patient's larynx by using spherical suction sputum ball Portion's bring pain；By multiple suction sputum mouths in suction sputum ball, the case where throat's inner wall is sucked in sputum aspirator tube can be avoided；Using one The sputum aspirator tube of two cavity configuration of pipe can be realized the function of suctioning sputum on one side dilute sputum while；Using slidable movable slider and Lifting slider can be avoided the situation that sputum during suction sputum enters in piston cylinder, and mentality of designing of the present invention is clear, structure letter It is clean, it is at low cost, it is convenient for carrying, it is practical.

Detailed description of the invention

Fig. 1 is stereoscopic schematic diagram one of the present invention.

Fig. 2 is stereoscopic schematic diagram two of the present invention.

Fig. 3 is diagrammatic cross-section of the present invention.

Fig. 4 is broken isometric schematic diagram of the present invention.

Fig. 5 is movable slider stereoscopic schematic diagram of the present invention.

Fig. 6 is suction sputum ball diagrammatic cross-section of the present invention.

Fig. 7 is latch hook bar floor map of the present invention.

Fig. 8 is sputum aspirator tube diagrammatic cross-section of the present invention.

Fig. 9 is latch hook of the present invention and lock connection disassembling schematic diagram.

Specific embodiment

For the present invention aforementioned and other technology contents, feature and effect, in following cooperation with reference to figures 1 through Fig. 9 pairs In the detailed description of embodiment, can clearly it present.The structure content being previously mentioned in following embodiment is attached with specification Figure is reference.

Required negative pressure when suction sputum, it is adult are as follows: 40-53kpa, children are as follows: 33-40kpa, so operator is using this dress Sense of heaviness is not had when setting, and is capable of the carry out suction sputum operation of very comfortable.

Each exemplary embodiment of the invention is described below with reference to accompanying drawings.

Embodiment one, the present invention are Emergence fast and safely sputum aspirator, including piston cylinder, and piston cylinder mentions for the present apparatus For negative pressure power, the piston cylinder includes cylinder 101, is mounted on the vent valve 102 of 101 top of cylinder, is slidably mounted on cylinder Piston rod 103 in 101, one end that piston rod 103 is located in cylinder 101 is connected with piston, between piston and cylinder 101 Sealing ring is installed, piston moves forward and backward in cylinder 101 can produce negative-pressure sucking, to provide power, piston for suction sputum When forward movement, the air in cylinder 101 can be discharged outside cylinder 101 by vent valve 102, and lubrication is smeared on 101 inner wall of cylinder Oil, piston rod 103 through 101 rear end of cylinder and are connected with flexible handle 104, pull flexible handle 104 that can pull piston rod 103, which is characterized in that the front end of the piston cylinder is connected with pipe fitting 2, and pipe fitting 2 is the nontoxic flexible material of safety transparent, Such as: natural rubber material, PVC material, silica gel etc., pipe fitting 2 can also be directly sleeved on cylinder with 101 integrally connected of cylinder 101 front end, the other end of the pipe fitting 2 are connected with sputum aspirator tube 3, and sputum aspirator tube 3 is identical as the material of pipe fitting 2, institute The other end for stating sputum aspirator tube 3 is connected with suction sputum ball 4, and suction sputum ball 4 is identical as the material of sputum aspirator tube 3, outside the suction sputum ball 4 It is provided on surface multiple outside the suction sputum mouth 5 suction sputum ball 4 inside and be connected to respectively with sputum aspirator tube 3, multiple suction sputum mouths 5 Edge is equipped with arc-shaped edges, prevents from scratching patient throat when suction sputum, when giving patient throat suction sputum, does not have to rotation sputum aspirator tube, multiple The suction sputum mouth 5 can enter the sputum of all directions in cylinder 1 by sputum aspirator tube 3 under negative-pressure sucking effect, if One of suction sputum mouth 5 has encountered throat's inner wall, other several suction sputum mouths 5 are still ventilated, therefore will not inhale because negative pressure increases Broken throat's inner wall, the lower section of the cylinder 101 is equipped with the sputum bottle interface 105 with check valve, the sputum bottle interface 105 It is connected with sputum bottle 106, threaded connection can be used herein, the top of sputum bottle 106 is provided with a venthole, when sputum enters cylinder After in body 101, piston rod 103 is moved forward, and sputum and air can be promoted in sputum bottle 106 from sputum bottle interface 105, phlegm Check valve in liquid bottle interface 105 can prevent the sputum in sputum bottle 106 to be again introduced into cylinder 101, and venthole can be Air discharge in sputum bottle 106.

Embodiment two, on the basis of example 1, the inside of the pipe fitting 2 and sputum aspirator tube 3 are divided by partition 6 to add Liquid pipe road 7 and suction sputum pipeline 8, partition 6 is identical as 3 material of sputum aspirator tube, and charging line 7 and suction sputum pipeline 8 are respectively individually sky Chamber, the back-end closure of the charging line 7 in pipe fitting 2, is not connected to cylinder 101, and suction sputum pipeline 8 runs through pipe fitting 2 and cylinder 101 connections, the suction sputum pipeline 8 is connected to multiple suction sputum mouths 5, and suction sputum mouth 5 is only connected to suction sputum pipeline 8, not with liquid feeding Pipeline 7 is connected to, and sputum enters suction sputum pipeline 8 through suction sputum mouth 5, is finally entered back into cylinder 101, the suction sputum in the pipe fitting 2 Pipeline 8 is equipped with check valve, and the check valve in suction sputum pipeline 8 flows into sputum aspirator tube after sputum can be prevented to be inhaled into cylinder 101 again In 3, when sputum enters in cylinder 101 under the action of negative-pressure sucking, piston rod 103, which travels forward, at this time is squeezed in cylinder 101 Air in front of piston, the air compression before piston can quickly get into sputum in sputum bottle 106, the suction sputum ball 4 it is outer Multiple mouth sprays 9 being connected to charging line 7 and be located at multiple 5 tops of the suction sputum mouth, multiple hydrojets are provided on surface The outer edge of mouth 9 is equipped with arc-shaped edges, prevents from scratching patient throat when suction sputum, is connected with and adds on the outer surface of pipe fitting 2 Liquid pipe road 7 be connected to filling opening 10, give patient throat suction sputum when, if sputum is too sticky, can by filling opening 10 to Patient throat instills normal saline dilution sputum, and physiological saline flows out dilution sputum from multiple mouth sprays 9 by charging line 7, Physiological saline can be added while suction sputum, physiological saline can pass through multiple suction sputum mouths 5 and sputum after the outflow of multiple mouth sprays 9 It is sucked into sputum bottle 106 together.

Embodiment three is equipped with the bulb stopper being connected to each suction sputum mouth 5 in the suction sputum ball 4 on the basis of example 2 Chamber 11, only one is in the opening in suction sputum ball 4 to the bulb stopper chamber 11, and this opening is connected to each suction sputum mouth 5 respectively, institute It states and is placed with multiple bulb stoppers 12 in bulb stopper chamber 11, each bulb stopper 12 can enter suction sputum mouth 5 by opening, in suction sputum process In, if patient feels that suction is too big, if uncomfortable, bulb stopper 12 can be pinched in suction sputum mouth 5 with hand, be reduced with this Suction.

Example IV, on the basis of embodiment three, the diameter of multiple bulb stoppers 12 is greater than the straight of the opening of bulb stopper chamber 11 Diameter, the material of multiple bulb stoppers 12 can be the hard plastic of non-toxic and safe, and the maximum suction that piston cylinder can be generated cannot Bulb stopper chamber 11 is sucked out in bulb stopper 12, when squeezing bulb stopper 12 with hand, then bulb stopper 12 can be squeezed out bulb stopper chamber 11, multiple balls The diameter of plug 12 is greater than the diameter of each suction sputum mouth 5, and after being extruded into suction sputum mouth 5 with hand handle bulb stopper 12, bulb stopper 12 is in suction sputum mouth 5 Elastic force effect it is lower can be fixed, only squeezing bulb stopper 12 just with hand again can move.

Embodiment five, on the basis of example 1, the front end in the cylinder 101 are slidably fitted with top with inclined-plane Movable slider 13, the movable slider 13 can slide back and forth in cylinder 101, and the initial position of movable slider 13 is in sputum 105 top of bottle interface, movable slider 13 can expose sputum bottle interface 105, the movable slider 13 and piston after moving backward It is fixedly connected between bar 103, movable slider 13 can move together with piston rod 103, and the top in the cylinder 101 is fixed The locating rod 14 for being located at 13 top of movable slider is installed, integrally connected can be used herein, it is common that threaded connection etc. can also be used Connection type, the bevelled lifting slider 15 of bottom belt is slidably fitted in the locating rod 14, and lifting slider 15 can be fixed It is slided up and down on the bar 14 of position, the inclined-plane sliding contact on the inclined-plane and 15 bottom of lifting slider at 13 top of movable slider, and Two inclined-planes can be overlapped, and when movable slider 13 slides back and forth, lifting slider 15 also can be on the inclined-plane of movable slider 13 Lower movement, when the inner wall at the top of lifting slider 15 and cylinder 1 contacts, the front end face of movable slider 13 is a good and lifting slider 15 front end face is overlapped, the cavity and movable slider 13 and lifting slider 15 of 105 top of sputum bottle interface in the cylinder 101 made Subsequent space separates, and 103 moving range of piston rod will not be entered after sputum is sucked into cylinder 1, will not be carried out to plunger shaft It pollutes, the compressed spring 16 being equipped in the locating rod 14 between 101 inner wall of lifting slider 15 and cylinder, when activity is sliding When block 13 is mobile to 1 front end of cylinder, lifting slider can decline under the action of compressed spring 16.

Embodiment six, on the basis of embodiment five, the rear end of the movable slider 13 is connected with vertical connection Plate 17 is provided with the lock mounting groove through 17 front/rear end of connecting plate on the connecting plate 17, latches and slides up and down in mounting groove The bevelled lock 18 of top tape is installed, the bottom of the lock 18 and lock mounting groove is equipped with latch spring 19, latches 18 can slide up and down in lock mounting groove, after lock 18 is due to external force slide downward, when external force revocation rear catch 18 exists It is resetted under the action of latch spring 19, the inside of the piston rod 103 is provided with the through-hole through 103 rear and front end of piston rod, leads to Latch hook bar 21 is slidably fitted in hole, latch hook bar 21 can slide back and forth in through-hole, and the front end of the latch hook bar 21 integrally connects Be connected to the bevelled latch hook 22 of bottom belt, the inclined-plane of latch hook 22 and the inclined-plane on lock 18 can direction it is consistent and can weigh It closes, when pushing latch hook bar 21 forward, latch hook 22 can be pressed downward lock 18, when the minimum point of latch hook 22 is moved to lock 18 When in front of highest point, lock 18 resets, and piston rod 103 can then move together with movable slider 13 at this time, the latch hook bar It is slidably fitted on 21 on rear side of latch hook 22 and the bevelled sliding lock block 23 of bottom belt, sliding lock block 23 can be in latch hook bar It is slid back and forth on 21, and spring is installed between movable slider 23 and latch hook bar 21, the bevel direction of 23 bottom of sliding lock block Bevel direction with lock 18 continues to push latch hook bar forward on the contrary, when needing isolation piston bar 103 and movable slider 13 21, movable closing piece 23 can push lock 18, when in front of the highest point that the minimum point of movable closing piece 23 is moved to lock 18, lock Button 18 resets, and pulls back latch hook bar 21 at this time, lock 18 can movable closing piece 23 toward stirring at latch hook 22, movable closing piece 23 with After latch hook 22 contacts, the inclined-plane minimum point of the two is overlapped, and continues to pull back latch hook bar 21, lock 18 first can be by movable closing piece 23 inclined-plane pushes, and when the minimum point of movable closing piece 23 and latch hook 22 is moved to the highest point rear of lock 18, lock 18 is multiple Position, latch hook 22 are separated with lock 18, and movable closing piece 23 is also resetted because of the effect of spring, and twitching piston rod 103 at this time, then activity is sliding Block 13 does not move, and when needing the movable chamber of cleaning piston bar 103, piston rod 103 is not required to connection movable slider 13, extracts at this time Thimerosal can enter the movable chamber of piston rod 103, when suction sputum, to avoid piston rod 103 and its movable chamber from being contaminated, then Piston rod 103 needs to connect movable slider 13, the rear end of the latch hook bar 21 be connected with positioned at piston rod 103 rear side by Button 24 can push latch hook bar 21 to travel forward by button 24.

Embodiment seven is equipped on the latch hook bar 21 positioned at piston rod 103 and button 24 on the basis of embodiment six Between button spring 25, after clicking button 24, button 24 can move backward reset under the action of button spring 25, The reset spring 26 being equipped between piston rod 103 and cylinder 101 on the piston rod 103, piston rod 103 moves backward Afterwards, it can be moved forward under the action of reset spring 26 and return to original position.

Embodiment eight, on the basis of example 1, the rear end of the cylinder 101 are connected with the fixation handle of annular 27, the flexible handle 104 is slidably mounted in fixed handle 27, when operation, can be operated with a hand, be held fixed first Then hand 27 twitches flexible handle 104.

When specific operation, operator need band gloves, firstly, check cylinder 101 whether gas leakage, sputum aspirator tube 3 and suction sputum Whether there is or not breakages for ball 4, and then suction sputum ball 4 is put into patient throat by handheld sputum aspirator tube 3, and then another hand button press 24, makes Latch hook 22 is connect with lock 18, i.e., piston rod 103 is connect with activity sliding 13, then twitches piston rod by flexible handle 104 103 carry out suction sputum, and sputum can enter suction sputum pipeline 8 by suction sputum mouth 5, enter finally into cylinder 101, at this time piston rod 103 It is moved forward under the action of reset spring 25, the air in 101 inner piston rod of cylinder, 103 front is squeezed, and air is by putting Air valve 102 is discharged cylinder 101, and sputum is extruded into sputum bottle 106, if sputum is too sticky, can infuse in filling opening 10 Physiological saline is penetrated, physiological saline flows out dilution sputum from mouth spray 9 by charging line 7, and the sputum diluted at this time passes through suction Phlegm mouth 5 is inhaled into cylinder 101；

After suction sputum, sputum bottle 106 is backed out, the sputum of the inside is cleared up and carries out cleaning and sterilizing, then suction sputum ball 4 is put into It in thimerosal, then extracts and carries out cleaning and sterilizing in thimerosal to cylinder 101, cylinder is then discharged by sputum bottle interface 105 again Body 101 then presses lower button 24 again, makes piston rod 103 and movable slider 13 if necessary to the movable chamber of cleaning piston bar 103 Separation, then extract thimerosal and enter in cylinder 101, thimerosal can enter the movable chamber income cleaning and sterilizing of piston rod 103.

The present invention can reduce during suction sputum rotary pulling sputum aspirator tube to patient's larynx by using spherical suction sputum ball Portion's bring pain；By multiple suction sputum mouths in suction sputum ball, the case where throat's inner wall is sucked in sputum aspirator tube can be avoided；Using one The sputum aspirator tube of two cavity configuration of pipe can be realized the function of suctioning sputum on one side dilute sputum while；Using slidable movable slider and Lifting slider can be avoided the situation that sputum during suction sputum enters in piston cylinder, and mentality of designing of the present invention is clear, structure letter It is clean, it is at low cost, it is convenient for carrying, it is practical.

Claims (8)

1. Emergence fast and safely sputum aspirator, including piston cylinder, the piston cylinder includes cylinder (101), vent valve (102), piston rod (103), the piston rod (103) being slidably mounted in cylinder (101) run through cylinder (101) rear end and are connected with Flexible handle (104), which is characterized in that the front end of the piston cylinder is connected with pipe fitting (2), the pipe fitting (2) it is another End is connected with sputum aspirator tube (3), and the other end of the sputum aspirator tube (3) is connected with suction sputum ball (4), the suction sputum ball (4) Outer surface on be provided with it is multiple through the suction sputum mouths (5) that suction sputum ball (4) are internal and are connected to respectively with sputum aspirator tube (3), the cylinder (101) the sputum bottle interface (105) with check valve is installed, the sputum bottle interface (105) is connected with sputum bottle below (106).

2. Emergence according to claim 1 fast and safely sputum aspirator, which is characterized in that the pipe fitting (2) and The inside of sputum aspirator tube (3) is divided into charging line (7) and suction sputum pipeline (8) by partition (6), the suction sputum pipeline (8) with it is multiple The suction sputum mouth (5) connection, the suction sputum pipeline (8) in the pipe fitting (2) are equipped with check valve, the suction sputum ball (4) it is outer Multiple mouth sprays (9) for being connected to and being located above multiple suction sputum mouths (5) with charging line (7), pipe fitting are provided on surface (2) filling opening (10) being connected to charging line (7) is connected on outer surface.

3. Emergence according to claim 2 fast and safely sputum aspirator, which is characterized in that in the suction sputum ball (4) Equipped with the bulb stopper chamber (11) being connected to each suction sputum mouth (5), multiple bulb stoppers (12) are placed in the bulb stopper chamber (11).

4. Emergence according to claim 3 fast and safely sputum aspirator, which is characterized in that multiple bulb stoppers (12) Diameter be greater than the diameter of bulb stopper chamber (11) opening, the diameters of multiple bulb stoppers (12) is greater than the diameter of each suction sputum mouth (5).

5. Emergence according to claim 1 fast and safely sputum aspirator, which is characterized in that in the cylinder (101) Front end be slidably fitted with the bevelled movable slider of top tape (13), between the movable slider (13) and piston rod (103) It is fixedly connected, the top in the cylinder (101) is fixedly installed with the locating rod (14) above movable slider (13), described The bevelled lifting slider of bottom belt (15) is slidably fitted in locating rod (14), the inclined-plane at the top of the movable slider (13) with The inclined-plane sliding contact of lifting slider (15) bottom is equipped with positioned at lifting slider (15) and cylinder on the locating rod (14) (101) compressed spring between inner wall (16).

6. Emergence according to claim 5 fast and safely sputum aspirator, which is characterized in that the movable slider (13) Rear end be connected with connecting plate (17), be provided with lock mounting groove on the connecting plate (17), sliding peace in lock mounting groove Equipped with the bevelled lock (18) of top tape, the lock (18) and the bottom for latching mounting groove are equipped with latch spring (19), The inside of the piston rod (103) is provided with the through-hole through piston rod (103) rear and front end, is slidably fitted with latch hook bar in through-hole (21), the front end of the latch hook bar (21) is connected with the bevelled latch hook of bottom belt (22), slides on the latch hook bar (21) It is dynamic to be equipped with positioned at latch hook (22) rear side and the bevelled sliding lock block of bottom belt (23), the rear end one of the latch hook bar (21) It is connected with the button (24) being located on rear side of piston rod (103).

7. Emergence according to claim 6 fast and safely sputum aspirator, which is characterized in that on the latch hook bar (21) The button spring (25) being equipped between piston rod (103) and button (24) is equipped on the piston rod (103) and is located at Reset spring (26) between piston rod (103) and cylinder (101).

8. Emergence according to claim 1 fast and safely sputum aspirator, which is characterized in that the cylinder (101) Rear end is connected with the fixation handle (27) of annular, and the flexible handle (104) is slidably mounted in fixed handle (27).