CN110215598A - A kind of dosing structure and closed sputum aspirator - Google Patents
A kind of dosing structure and closed sputum aspirator Download PDFInfo
- Publication number
- CN110215598A CN110215598A CN201910604689.1A CN201910604689A CN110215598A CN 110215598 A CN110215598 A CN 110215598A CN 201910604689 A CN201910604689 A CN 201910604689A CN 110215598 A CN110215598 A CN 110215598A
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- Prior art keywords
- dosing
- interface
- inner core
- drug
- rotary inner
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- 206010036790 Productive cough Diseases 0.000 title claims abstract description 33
- 210000003802 sputum Anatomy 0.000 title claims abstract description 33
- 208000024794 sputum Diseases 0.000 title claims abstract description 33
- 239000003814 drug Substances 0.000 claims abstract description 46
- 229940079593 drug Drugs 0.000 claims abstract description 40
- 239000007788 liquid Substances 0.000 claims description 6
- 238000011010 flushing procedure Methods 0.000 claims description 5
- 230000000241 respiratory effect Effects 0.000 claims description 4
- 238000005399 mechanical ventilation Methods 0.000 abstract description 8
- 210000002345 respiratory system Anatomy 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 description 14
- 238000010586 diagram Methods 0.000 description 7
- 230000029058 respiratory gaseous exchange Effects 0.000 description 6
- 230000008676 import Effects 0.000 description 5
- 239000012530 fluid Substances 0.000 description 4
- 238000002627 tracheal intubation Methods 0.000 description 3
- 239000002360 explosive Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 206010011409 Cross infection Diseases 0.000 description 1
- 206010029803 Nosocomial infection Diseases 0.000 description 1
- 206010073310 Occupational exposures Diseases 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012840 feeding operation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 231100000675 occupational exposure Toxicity 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 208000023504 respiratory system disease Diseases 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/84—Drainage tubes; Aspiration tips
- A61M1/85—Drainage tubes; Aspiration tips with gas or fluid supply means, e.g. for supplying rinsing fluids or anticoagulants
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/84—Drainage tubes; Aspiration tips
- A61M1/86—Connectors between drainage tube and handpiece, e.g. drainage tubes detachable from handpiece
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M31/00—Devices for introducing or retaining media, e.g. remedies, in cavities of the body
Landscapes
- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Anesthesiology (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Veterinary Medicine (AREA)
- Surgery (AREA)
- Vascular Medicine (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Pulmonology (AREA)
- Medical Preparation Storing Or Oral Administration Devices (AREA)
- External Artificial Organs (AREA)
Abstract
The present invention provides a kind of dosing structure and closed sputum aspirator, including dosing shell, the rotary inner core being rotatably connected in dosing shell drives the dosing of rotary inner core rotation to rotate lid；The dosing shell is equipped with dosing interface, drug interface, connecting interface, it is set on the rotary inner core there are three the channel being connected, the rotary inner core rotates so that dosing interface is connected to drug interface by channel or connecting interface is connected to drug interface by channel.Dosing structure provided by the invention and closed sputum aspirator, dosing structure is rotatable to switch to suction sputum and dosing two states, easy to operate, high reliablity, it can carry out normal suction sputum operation, and under the conditions of mechanical ventilation, drug is instilled in respiratory tract as administration channel using closed sputum aspirator, has reached the desired effect of accurate administration, has greatly facilitated administration process and reduce the clinical manipulation risk of intrarterial.
Description
Technical field
The present invention relates to the field of medical instrument technology more particularly to dosing structure and closed sputum aspirators.
Background technique
Closed sputum aspirator is common medical instrument.In respiratory disease therapeutic process, medical staff is according to disease
Feelings need to carry out dosing techniques in respiratory tract, according to the action principle and mode of different pharmaceutical, partially need to carry out respiratory tract
Drug instills, and currently in on-mechanical aeration condition, medical staff is deep into pipe for medicament dropping using a thin conduit
Enter；Under the conditions of mechanical ventilation, medical staff needs temporarily to withdraw mechanical ventilation device, and drug is instilled by trachea cannula
Or respiration loop pipe instills, and has not only influenced the duration of mechanical ventilation in this way, but also will cause high amount of drug waste, so that being administered
Journey dose inaccuracy, leverages therapeutic effect, increases clinical manipulation risk.
In view of this, it is necessary to closed sputum aspirator in the prior art be improved, to solve the above problems.
Summary of the invention
The purpose of the present invention one is to disclose a kind of dosing structure, and rotary inner core rotates so that dosing interface and drug interface
It is connected to drug interface by channel by channel connection or connecting interface, so as to which two kinds of shapes of dosing and suction sputum are flexibly presented
State, easy to operate, high reliablity.
To achieve the above object, it the present invention provides a kind of dosing structure, including dosing shell, is rotatably connected on outside dosing
Rotary inner core in shell drives the dosing of rotary inner core rotation to rotate lid；The dosing shell is equipped with dosing interface, drug connects
Mouthful, connecting interface, set on the rotary inner core there are three the channel being connected, the rotary inner core rotate so that dosing interface and
Drug interface is connected to by channel or connecting interface is connected to drug interface by channel.
In some embodiments, be equipped with rotational positioning set in the dosing shell, the dosing interface, drug interface,
Connecting interface is connected to rotational positioning set, and the rotary inner core lower rotation is connected in rotational positioning set.
In some embodiments, the rotary inner core outer wall is equipped with annular slot, and the rotational positioning set inner wall is equipped with
Annular fixture block, the annular fixture block are located in annular slot.
In some embodiments, be equipped with groove at the top of the rotary inner core, the rotary inner core side wall offer with it is recessed
The card slot of slot connection, the dosing rotation are covered equipped with embedding link block in a groove, and the link block is equipped with and is held in card
Fixture block in slot.
In some embodiments, rotational positioning set top is equipped with limited step, and the fixture block is on limited step
Fitting rotation.
In some embodiments, three channels being connected are T-shaped, and the connecting interface and drug interface are positioned at same
On straight line, the vertical straight line setting of the dosing interface.
In some embodiments, two channels being located along the same line are arranged immediately below card slot.
It in some embodiments, further include the dosing bottom cover for being connected to dosing outer casing bottom.
In some embodiments, the dosing shell and rotational positioning set are an integral structure.
The purpose of the present invention two is to disclose a kind of closed sputum aspirator, and dosing structure is rotatable to switch to suction sputum and dosing
Two states, easy to operate, high reliablity can carry out normal suction sputum operation, and under the conditions of mechanical ventilation, using closed
Sputum aspirator tube instills drug in respiratory tract as administration channel, reaches the desired effect being accurately administered, greatly facilitates and be administered
Journey and the clinical manipulation risk for reducing intrarterial.
To achieve the above object, the present invention provides a kind of closed sputum aspirator, including sequentially connected negative pressure control valve,
Dosing structure, pipeline liquid injecting device, flushing liquor connector, drop the medicine connector, joint for respiratory device being connected on pipeline liquid injecting device.
Compared with prior art, the beneficial effects of the present invention are: dosing structure provided by the invention and closed sputum aspirator,
Dosing structure is rotatable to switch to suction sputum and dosing two states, and easy to operate, high reliablity can carry out normal suction sputum operation,
And under the conditions of mechanical ventilation, drug is instilled in respiratory tract as administration channel using closed sputum aspirator, has reached essence
The desired effect being really administered greatly facilitates administration process and reduces the clinical manipulation risk of intrarterial.
Detailed description of the invention
Fig. 1 is the perspective view of dosing structure shown in the present invention；
Fig. 2 is the schematic diagram of internal structure of dosing structure shown in the present invention；
Fig. 3 is the explosive view of dosing structure shown in the present invention；
Fig. 4 is the state diagram of the suction sputum mode of dosing structure shown in the present invention；
Fig. 5 is the state diagram of the close pattern of dosing structure shown in the present invention；
Fig. 6 is the state diagram of the dosing mode of dosing structure shown in the present invention；
Fig. 7 is the structural schematic diagram of closed sputum aspirator shown in the present invention；
Fig. 8 is the explosive view of closed sputum aspirator shown in the present invention；
Fig. 9 is the schematic diagram of internal structure of negative pressure control valve shown in fig. 7 in a non-operative state；
Figure 10 is the schematic diagram of internal structure of negative pressure control valve shown in fig. 7 in the operating condition.
Specific embodiment
The present invention is described in detail for each embodiment shown in reference to the accompanying drawing, but it should be stated that, these
Embodiment is not limitation of the present invention, those of ordinary skill in the art according to these embodiments made by function, method,
Or equivalent transformation or substitution in structure, all belong to the scope of protection of the present invention within.
Embodiment one:
A kind of dosing structure as shown in Figs. 1-3, including dosing shell 1, are rotatably connected in the rotation in dosing shell 1
Core 2, the dosing for driving rotary inner core 2 to rotate rotate lid 3.It further include the dosing bottom cover 14 for being connected to 1 bottom of dosing shell.Dosing
Shell 1 is polyhedron, has anti-skidding effect.
The dosing shell 1 is equipped with dosing interface 12, drug interface 13, connecting interface 11, sets on the rotary inner core 2
There are three the channels 20 being connected.Three channels 20 being connected are T-shaped, and the connecting interface 11 and drug interface 13 are located at together
On one straight line, the setting of the dosing interface 12 vertical straight line.Dosing interface 12 is female Luer, can be with matching standard syringe
Tool uses, and convenient for injection medical fluid, is additionally provided with dosing mouth helmet 121 at dosing interface 12.
Rotational positioning set 15 is equipped in the dosing shell 1, the dosing shell 1 and rotational positioning set 15 are integral type knot
Structure, the dosing interface 12, drug interface 13, connecting interface 11 are connected to rotational positioning set 15.
2 lower rotation of rotary inner core is connected in rotational positioning set 15, and specifically, 2 outer wall of rotary inner core is set
There is annular slot 23, the rotational positioning covers 15 inner walls and is equipped with annular fixture block 152, and the annular fixture block 152 is located at annular slot
In 23, so that rotary inner core 2 is free to rotate and will not cover 15 disengagings with rotational positioning.
Groove 21 is equipped at the top of the rotary inner core 2,2 side wall of rotary inner core offers the card slot being connected to groove 21
22, the dosing rotation lid 3 is equipped with the link block 31 in groove 21, and the link block 31 is equipped with and is held in card slot 22
In fixture block 311 keep dosing rotation lid 3 and rotary inner core 2 same so as to connect dosing rotation lid 3 and link block 31
Step rotation.
Two channels 20 setting being located along the same line is immediately below card slot 22.15 top of rotational positioning set is equipped with
Limited step 151, the fixture block 311 are bonded rotation on limited step 151.Limited step 151 is semicircle, to prevent from adding
Medicine rotation lid 3 rotates excessively.For the ease of using, it can be rotated in dosing and mark suction sputum, dosing, closing on lid 3, so that suction sputum pair
When quasi- drug interface 13, dosing structure is in suction sputum mode, and when so that dosing being directed at drug interface 13, dosing structure is in dosing
Mode, when turning off alignment drug interface 13, dosing structure is in close pattern.
The dosing structure working principle is as follows: rotation dosing rotates lid 3, drives rotary inner core 2 to rotate synchronously, makes to connect
Mouth 11 is connected to drug interface 13 by two channels 20, and a remaining channel 20 is not connected to dosing interface 12, is suction sputum
Mode is as shown in figure 4, suction sputum operation can be carried out.
It rotates dosing and rotates lid 3, rotary inner core 2 is driven to rotate synchronously, make connecting interface 11 and dosing interface 12 by two
A channel 20 is connected to, and a remaining channel 20 is not connected to drug interface 13, is close pattern as shown in figure 5, without appointing
What is operated.
It rotates dosing and rotates lid 3, rotary inner core 2 is driven to rotate synchronously, make dosing interface 12 and drug interface 13 by two
A channel 20 is connected to, and a remaining channel 20 is not connected to connecting interface 11, is dosing mode as shown in fig. 6, can be added
Medicine operation.
Embodiment two:
A kind of closed sputum aspirator as Figure 7-8, including it is sequentially connected negative pressure control valve 4, dosing structure, closed
Pipeline 5, flushing liquor connector, drop the medicine connector, joint for respiratory device being connected on pipeline liquid injecting device 5.
Negative pressure control valve 4 as shown in Figure 9 and Figure 10 includes pressure valve shell 41, circulation lock 42, pressure valve lid 43, pressure valve interior bar
44, pressure valve sealing element 45, spring 46, pressure valve bottom cover 47, negative pressure mouth helmet 48.Pressure valve shell 41 and circulation lock 42 are integrally formed.
Pressure valve bottom cover 47 is connected to 41 bottom of pressure valve shell.
Pressure valve sealing element 45, which is arranged, to be connected in pressure valve interior bar 44, and pressure valve interior bar 44 is located in pressure valve shell 41, in pressure valve
44 top of bar is connect with pressure valve lid 43, and 45 top of pressure valve sealing element is by 42 pressure holding of circulation lock, without departing from pressure valve shell 41.Spring
46 one end are connected on pressure valve bottom cover 47, and the spring other end is connected to 44 bottom of pressure valve interior bar.Pressure valve sealing element 45 is equipped with ring
Shape recessed portion 450.
Pressure valve lid 43 is pressed, spring 46 is compressed, and pressure valve lid 43 drives pressure valve interior bar 44, pressure valve sealing element 45 to synchronize and move down
So that annular recess 450 is moved between negative pressure import 492 and vacuum outlet 491, negative pressure import 492 and vacuum outlet 491
It is connected to by annular recess 450, the connecting interface 11 of dosing structure is connect with the negative pressure import 492 of negative pressure control valve 4, is convenient for
Suction sputum operation is carried out, vacuum outlet 491 connects Negative pressure machine (not shown).After the completion, the pressure valve that comes loose lid 43, spring 46 reset, pressure
Valve deck, pressure valve interior bar 44, pressure valve sealing element 45, which synchronize, moves up reset, and annular recess 450 is moved to negative pressure import 492 and negative pressure
491 top of outlet, negative pressure import 492 and vacuum outlet 491 are obstructed by pressure valve sealing element 45.
The pipeline liquid injecting device 5 includes main pipe 51 and the PE bagging 52 that is coated on outside main pipe 51, can thoroughly by germ with
Isolation effectively avoids cross-infection between patient, reduces medical staff's occupational exposure.
It further include the drug connector 131 being connect with the drug interface 13 of dosing structure, sealing 5 one end of pipeline and drug connector
131 connections, sealing 5 other end of pipeline are connect with two pass joints 54, and sealing 5 both ends of pipeline are equipped with bagging retainer plate 53, bagging
Retainer plate 53 is connect with drug connector 131, two pass joints 54 respectively, is improved sealing pipeline 5 and is connected with drug connector 131, two
The stability of first 54 connection.
Two pass joint 54 connect with five-way joint 6 and is equipped with sealing valve plate 55 between the two.Further include and five-way joint 6
The gas interface 642 of connection, the intubation 7 connecting with gas interface 642, intubation 7 are equipped with dosing holes 70.The gas interface
Gas grafting mouth sealing ring 641 is equipped between 642 and five-way joint 6, the gas interface 642 is equipped with gas interface retainer plate 643,
Ensure the stability that gas interface 642 is connect with five-way joint 6.
Flushing liquor connector includes the L-type connector 611 connecting with five-way joint 6, and the rinse mouth connecting with L-type connector 611 connects
Adapter tube 612, the rinse mouth 613 being connect with rinse mouth connecting tube 612, the rinse mouth helmet 614 being connected on rinse mouth 613.It is logical
Flushing liquor connector saline injection is crossed, pressing negative pressure control valve 4 can easily reach clean to cleaning inside main pipe 51
Decontamination effect.
Dripping medicine connector includes the L-type connector 621 connecting with five-way joint 6, the dosing mouth connection connecting with L-type connector 621
Pipe 622, the dosing mouth 642 connecting with dosing mouth connecting tube 622, the dosing mouth helmet 645 being connected on dosing mouth 642 also wrap
Include the feeding operations stressed plate 623 for being connected in dosing mouth connecting tube 622 and abutting with dosing mouth 624.It can by drop medicine connector
The spray vaporization medical fluid into respiratory tract, to may act on entire respiratory tract, reduction sputum is sticky, reduces sputum and blocks artificial airway
Incidence.
Joint for respiratory device includes the breathing interface 632 connecting with five-way joint 6, between the breathing interface 632 and five-way joint 6
Equipped with breathing sealing joint circle 631, the breathing interface 632 is equipped with interface retainer plate 633, it is ensured that breathing 632 He of interface
The stability that five-way joint 6 connects.It breathes interface 632 and connects ventilator (not shown), so as to keep mechanical ventilation state.
Under the conditions of mechanical ventilation, medical fluid is injected by dosing interface 12, medical fluid successively slides into channel under Gravitative Loads
20, drug interface 13, drug connector 131, main pipe 51, two pass joints 54, five-way joint 6, dosing mouth 642, intubation 7, finally
It is discharged to specified location in respiratory tract from dosing holes 70, has reached the desired effect of accurate administration, has greatly facilitated and be administered
Journey and the clinical manipulation risk for reducing intrarterial.
The series of detailed descriptions listed above only for feasible embodiment of the invention specifically
Protection scope bright, that they are not intended to limit the invention, it is all without departing from equivalent implementations made by technical spirit of the present invention
Or change should all be included in the protection scope of the present invention.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (10)
1. a kind of dosing structure, which is characterized in that including dosing shell (1), be rotatably connected in the rotation in dosing shell (1)
Core (2) drives the dosing rotation lid (3) of rotary inner core (2) rotation；
The dosing shell (1) is equipped with dosing interface (12), drug interface (13), connecting interface (11), the rotary inner core
(2) it is set on there are three the channel (20) being connected, the rotary inner core (2) rotates so that dosing interface (12) and drug interface
(13) it is connected to drug interface (13) by channel (20) by channel (20) connection or connecting interface (11).
2. dosing structure according to claim 1, which is characterized in that be equipped with rotational positioning set in the dosing shell (1)
(15), the dosing interface (12), drug interface (13), connecting interface (11) are connected to rotational positioning set (15), the rotation
Inner core (2) lower rotation is connected in rotational positioning set (15).
3. dosing structure according to claim 2, which is characterized in that rotary inner core (2) outer wall is equipped with annular slot
(23), rotational positioning set (15) inner wall is equipped with annular fixture block (152), and the annular fixture block (152) is located at annular slot
(23) in.
4. dosing structure according to claim 3, which is characterized in that groove (21) are equipped at the top of the rotary inner core (2),
Rotary inner core (2) side wall offers the card slot (22) being connected to groove (21), and the dosing rotation lid (3), which is equipped with, to be embedded in
Link block (31) in groove (21), the link block (31) are equipped with the fixture block (311) being held in card slot (22).
5. dosing structure according to claim 4, which is characterized in that be equipped with limiting stand at the top of the rotational positioning set (15)
Rank (151), the fixture block (311) are bonded rotation on limited step (151).
6. dosing structure according to claim 5, which is characterized in that three channels (20) being connected are T-shaped, the company
Connection interface (11) and drug interface (13) are located along the same line, the vertical straight line setting of the dosing interface (12).
7. dosing structure according to claim 6, which is characterized in that two channels (20) setting being located along the same line
Immediately below card slot (22).
8. dosing structure according to claim 1, which is characterized in that further include being connected to adding for dosing shell (1) bottom
Medicine bottom cover (14).
9. dosing structure according to claim 2, which is characterized in that the dosing shell (1) and rotational positioning set (15)
It is an integral structure.
10. a kind of closed sputum aspirator, which is characterized in that including appointing in sequentially connected negative pressure control valve, such as claim 1-9
Dosing structure, pipeline liquid injecting device described in one, flushing liquor connector, drop the medicine connector, joint for respiratory device being connected on pipeline liquid injecting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910604689.1A CN110215598B (en) | 2019-07-05 | 2019-07-05 | Dosing structure and closed sputum aspirator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910604689.1A CN110215598B (en) | 2019-07-05 | 2019-07-05 | Dosing structure and closed sputum aspirator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110215598A true CN110215598A (en) | 2019-09-10 |
| CN110215598B CN110215598B (en) | 2024-07-09 |
Family
ID=67812823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910604689.1A Active CN110215598B (en) | 2019-07-05 | 2019-07-05 | Dosing structure and closed sputum aspirator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110215598B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113181441A (en) * | 2021-04-16 | 2021-07-30 | 温州医科大学附属第二医院（温州医科大学附属育英儿童医院） | Aspirator of convenient operation |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN110215598B (en) | 2024-07-09 |
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