CN111265729A - Closed sputum suction tube for double-cavity bronchial catheter - Google Patents
Closed sputum suction tube for double-cavity bronchial catheter Download PDFInfo
- Publication number
- CN111265729A CN111265729A CN202010244945.3A CN202010244945A CN111265729A CN 111265729 A CN111265729 A CN 111265729A CN 202010244945 A CN202010244945 A CN 202010244945A CN 111265729 A CN111265729 A CN 111265729A
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- Prior art keywords
- connector
- aspirator
- mantle
- sputum suction
- suction tube
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 206010036790 Productive cough Diseases 0.000 title claims abstract description 68
- 208000024794 sputum Diseases 0.000 title claims abstract description 68
- 210000003802 sputum Anatomy 0.000 title claims abstract description 65
- 210000003437 trachea Anatomy 0.000 claims abstract description 22
- 239000007788 liquid Substances 0.000 claims abstract description 10
- 206010062717 Increased upper airway secretion Diseases 0.000 claims description 13
- 208000026435 phlegm Diseases 0.000 claims description 13
- 238000002347 injection Methods 0.000 abstract description 5
- 239000007924 injection Substances 0.000 abstract description 5
- 206010011409 Cross infection Diseases 0.000 abstract description 3
- 206010029803 Nosocomial infection Diseases 0.000 abstract description 3
- 210000004881 tumor cell Anatomy 0.000 abstract description 3
- 238000003912 environmental pollution Methods 0.000 abstract description 2
- 230000001681 protective effect Effects 0.000 description 7
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 3
- 210000004072 lung Anatomy 0.000 description 3
- 208000032376 Lung infection Diseases 0.000 description 1
- 206010027476 Metastases Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000621 bronchi Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000036512 infertility Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000009401 metastasis Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 210000000115 thoracic cavity Anatomy 0.000 description 1
Images
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
-
- 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
- A61M1/90—Negative pressure wound therapy devices, i.e. devices for applying suction to a wound to promote healing, e.g. including a vacuum dressing
-
- 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
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/04—Tracheal tubes
- A61M16/0463—Tracheal tubes combined with suction tubes, catheters or the like; Outside connections
-
- 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
- A61M2210/00—Anatomical parts of the body
- A61M2210/10—Trunk
- A61M2210/1025—Respiratory system
- A61M2210/1035—Bronchi
Landscapes
- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Pulmonology (AREA)
- Surgery (AREA)
- Emergency Medicine (AREA)
- External Artificial Organs (AREA)
Abstract
The invention provides a closed sputum suction tube for a double-cavity bronchial catheter, which comprises the double-cavity bronchial catheter, a connector and the closed sputum suction tube, wherein the closed sputum suction tube also comprises a trachea connector, a sputum suction tube, a mantle and an aspirator connector, the trachea connector is fixedly connected with one end of the mantle, the other end of the mantle is fixedly connected with the aspirator connector, the sputum suction tube is arranged in the mantle, one end of the sputum suction tube is fixedly connected with the aspirator connector, the other end of the sputum suction tube penetrates through the trachea connector, a liquid injection port is further arranged on the trachea connector, and an operation button is further arranged on the aspirator connector. The two connectors are respectively communicated with a closed sputum suction tube, and the two connectors are special for special purpose, so that the risks of cross infection and tumor cell planting and transfer are avoided; the sputum suction tube is arranged in the mantle and is aseptic, so that the environmental pollution is reduced; the requirement of multiple aseptic operations can be met, and the replacement operation time is reduced; the operation button is arranged at the connecting port of the suction apparatus, so that negative pressure suction is conveniently carried out, and damage caused by continuous negative pressure is prevented.
Description
Technical Field
The invention relates to the technical field of lung isolation medical instruments, in particular to a closed sputum suction tube for a double-cavity bronchial catheter.
Background
The double-cavity bronchial cannula is used for surgical operation and is suitable for inserting a left side or a right side bronchus so as to confirm that an airway of a left lung or a right lung is unobstructed. The existing double-cavity bronchial catheter is generally matched with two disposable sputum suction tubes, which are easy to pollute after being unsealed and increase the risk of lung infection, and secondly, the two sputum suction tubes are not marked on the left side and the right side, so that the two sputum suction tubes are easy to be mixed in the repeated use process, cross infection is caused, and even the implanted metastasis of tumor cells. In addition, the sputum suction tube cannot be sterilized after being used, and can only be discarded if sterility is ensured, but the thoracic surgery needs more frequent sputum suction treatment to ensure the cleanness of respiratory tract, and the existing sputum suction tube cannot meet the requirement of multiple sterile operations clinically. And the open type sputum suction tube is easy to cause pollution to the operating room environment and medical workers. In addition, because the negative pressure suction device is not convenient to be switched on and off at any time, how to quickly and effectively utilize the suction apparatus to realize the sputum suction treatment is also an urgent problem to be solved.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a closed sputum aspirator tube for a double-lumen bronchial catheter.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a phlegm pipe is inhaled to closed for two-chamber endotracheal tube, includes that phlegm pipe is inhaled to two-chamber endotracheal tube, connector and closed, connector one end is connected phlegm pipe is inhaled to two-chamber endotracheal tube, the other end is connected phlegm pipe is inhaled to the closed, phlegm pipe is inhaled to the closed includes the trachea connector again, inhales phlegm pipe, mantle and aspirator connector, trachea connector and mantle one end fixed connection, the mantle other end with aspirator connector fixed connection, inhale the phlegm pipe setting in the mantle, its one end with aspirator connector fixed connection, the other end runs through the trachea connector, still be provided with on the trachea connector and annotate the liquid mouth, still be provided with operating button on the aspirator connector.
Preferably, the operation button comprises a snap fastener, a button box and a spring, wherein a snap fastener opening is formed in the lower end of the button box, pipeline openings are formed in the left side and the right side of the button box respectively, the snap fastener is in a shape like a Chinese character 'tu', and is arranged in the button box, a pipeline channel is formed in the upper end of the large end of the snap fastener, the small end of the snap fastener penetrates through the snap fastener opening to extend out, one end of the spring is connected with the upper end of the button box, and the other end of the spring is.
Preferably, the aspirator connecting port passes through the pipeline opening on the right side of the button box, the pipeline channel at the upper end of the snap fastener and the pipeline opening on the left side of the button box in sequence and passes through the operation button.
Preferably, when the operation button is pressed down, the snap fastener moves upwards in the button box, the spring is compressed, the pipeline channel and the pipeline openings on the left side and the right side are positioned on the same plane, and the suction device connecting port is communicated at the moment, so that the suction device connecting port is communicated with the negative pressure suction device, and sputum suction operation can be performed; when the operation button is not pressed down, the spring is in an extension state, the small head of the snap fastener extends out through the snap fastener opening on the button box, the large head of the snap fastener is clamped in the button box, the pipeline channel and the pipeline openings on the left side and the right side are positioned on different planes to block the suction apparatus connecting port, the suction apparatus connecting port and the negative pressure suction device are in a non-communication state, and damage caused by continuous negative pressure is prevented.
Preferably, the trachea connector is an elastic connector and is sleeved on the connector, so that the trachea connector and the connector can be conveniently connected and disconnected.
Preferably, the sputum suction tube is a hollow thin tube and can move in the mantle, so that the operation of medical personnel is facilitated, and the depth of the sputum suction tube inserted into the tracheal catheter is changed.
Preferably, one end of the sputum suction pipe close to the tracheal connection port is provided with a marking line, when the sputum suction pipe is withdrawn from the negative pressure suction device, the sputum suction pipe is prevented from being too deep in the tracheal catheter, and the front end of the sputum suction pipe is preferably positioned in the connector.
Preferably, a depth line is arranged on one side of the marking line close to the suction apparatus connecting port, so that the depth of the sputum suction tube entering the tracheal catheter can be conveniently judged.
Preferably, annotate liquid mouth one end fixed connection in on the trachea connector, another pot head is equipped with the block, if when the sputum is thick, can open the block, to annotating the intraoral normal saline that adds of liquid, dilute the sputum to be convenient for attract comparatively thick sputum.
Preferably, the aspirator connector is further provided with a small protective sleeve, the small protective sleeve comprises a sleeve cap and a connecting rope, one end of the connecting rope is fixedly connected to the aspirator connector, the other end of the connecting rope is fixedly connected to the sleeve cap, the sleeve cap can be sleeved on the end portion of the aspirator connector, and when the small protective sleeve is not required to be communicated with the negative pressure suction device, the small protective sleeve can protect the aspirator connector from being damaged.
Compared with the prior art, the invention has the beneficial effects that:
1. the two connectors of the double-cavity bronchial catheter are respectively communicated with the closed sputum suction tubes, so that the left and right sputum suction tubes can be conveniently distinguished, and the catheter is special for special purpose, thereby avoiding the risks of cross infection and tumor cell planting and transferring;
2. the sputum suction tube is arranged in the mantle and is aseptic, so that the environmental pollution is reduced;
3. the sputum suction tube can be withdrawn out of the tracheal catheter after being used for one time, so that the requirement of multiple aseptic operations can be met, and the operation time for replacement is shortened;
4. an operation button is arranged at the connecting port of the suction apparatus, so that negative pressure suction is convenient to carry out, and damage caused by continuous negative pressure is prevented;
5. the liquid injection port is arranged, and when the sputum is viscous, normal saline can be added, so that the viscous sputum can be conveniently sucked;
6. the air pipe connector is an elastic connector and is sleeved on the connector, so that the air pipe connector is conveniently connected with and disconnected from the connector.
Drawings
FIG. 1 is a schematic structural view of example 1 of the present invention;
FIG. 2 is a schematic view of a closed sputum aspirator structure according to example 1 of the present invention;
FIG. 3 is a schematic sectional view of the operation button spring of embodiment 1 of the present invention in an extended state;
FIG. 4 is a schematic cross-sectional view of the operation button of embodiment 1 of the present invention in a compressed state;
FIG. 5 is a schematic view of the structure of a sputum-aspirating tube according to example 1 of the present invention.
Detailed Description
In order to further understand the objects, structures, features and functions of the present invention, the following embodiments are described in detail.
Referring to fig. 1 and 2, the closed sputum suction tube for the double-lumen bronchial catheter comprises a double-lumen bronchial catheter 1, a connector 2 and a closed sputum suction tube 3, wherein one end of the connector 2 is connected with the double-lumen bronchial catheter 1, the other end of the connector is connected with the closed sputum suction tube 3, the closed sputum suction tube 3 further comprises a trachea connector 301, a sputum suction tube 302, a mantle 303 and an aspirator connector 304, the trachea connector 301 is fixedly connected with one end of the mantle 303, the other end of the mantle 303 is fixedly connected with the aspirator connector 304, the sputum suction tube 302 is arranged in the mantle 303, one end of the sputum suction tube is fixedly connected with the aspirator connector 304, the other end of the sputum suction tube penetrates through the trachea connector 301, a liquid injection port 305 is further arranged on the trachea 301, and an operation button 306 is further arranged on the aspirator connector 304.
Referring to fig. 3, the operation button 306 includes a snap button 4, a button box 5 and a spring 6, a snap button opening 501 is provided at the lower end of the button box 5, a pipe opening 502 is provided at each of the left and right sides of the button box 5, the snap button 4 is in a shape of a Chinese character 'tu', and is disposed inside the button box 5, a pipe passage 401 is provided at the upper end of the large end of the snap button 4, the small end of the snap button 4 extends through the snap button opening 501, one end of the spring 6 is connected to the upper end of the button box 5, and the other end is connected to the upper end of.
Referring to fig. 4, the suction device connection port 304 passes through the operation button 306 through the duct opening 502 on the right side of the button case 5, the duct passage 401 at the upper end of the snap button 4, and the duct opening 502 on the left side of the button case 5 in this order.
Referring to fig. 3 and 4, when the operation button 306 is pressed, the button 4 moves upwards in the button box 5, the spring 6 is compressed, the pipeline channel 401 and the pipeline openings 502 on the left and right sides are positioned on the same plane, and the suction apparatus connecting port 304 is communicated, so that the suction apparatus connecting port 304 is communicated with the negative pressure suction device, and sputum suction operation can be performed; when the operation button 306 is not pressed, the spring 6 is in an extended state, the small head of the snap button 4 extends through the snap button opening 501 on the button case 5, the large head of the snap button 4 is engaged in the button case 5, the duct channel 401 and the duct openings 502 on the left and right sides are on different planes, and the suction device connection port 304 is blocked, and the suction device connection port 304 and the negative pressure suction device are in a non-communication state, so that damage caused by continuous negative pressure is prevented.
Referring to fig. 1 and fig. 2, the air pipe connector 301 is an elastic connector, and is sleeved on the connector 2, so as to facilitate connection and disconnection between the air pipe connector 301 and the connector 2.
Referring further to fig. 2, the sputum-aspirating tube 302 is a hollow thin tube, which can move in the covering membrane 303, so as to facilitate the medical staff to operate and change the depth of the sputum-aspirating tube 302 inserted into the endotracheal tube.
Referring to fig. 5, a marking line 3001 is disposed at an end of the sputum aspirator 302 close to the tracheal connection port 301, so as to prevent the sputum aspirator 302 from being positioned too deep in the tracheal catheter when the negative pressure aspirator is withdrawn, and preferably, the front end of the sputum aspirator 302 is positioned in the connector.
Referring further to fig. 2 and 5, a depth line 3002 is disposed on a side of the marking line 3001 close to the suction apparatus connection port 304 for conveniently determining the depth of the sputum aspirator 302 entering the endotracheal tube.
Please further refer to fig. 2, one end of the liquid injection port 305 is fixedly connected to the trachea connection port 301, and the other end is sleeved with a cap 3003, for example, when the sputum is viscous, the cap 3003 can be opened, and the normal saline and the like are added into the liquid injection port to dilute the sputum, so as to facilitate the suction of the viscous sputum.
Referring to fig. 2, a small protective sleeve 3004 is further disposed on the suction apparatus connecting port 304, the small protective sleeve includes a sleeve cap 341 and a connecting rope 342, one end of the connecting rope 342 is fixedly connected to the suction apparatus connecting port 304, the other end of the connecting rope 342 is fixedly connected to the sleeve cap 341, the sleeve cap 341 can be sleeved on the end portion of the suction apparatus connecting port 304, and when the small protective sleeve 3004 is not required to be communicated with the negative pressure suction apparatus, the suction apparatus connecting port 304 can be protected from being damaged.
The present invention has been described in relation to the above embodiments, which are only exemplary of the implementation of the present invention. It should be noted that the disclosed embodiments do not limit the scope of the invention. Rather, it is intended that all such modifications and variations be included within the spirit and scope of this invention.
Claims (9)
1. The utility model provides a phlegm pipe is inhaled to closed for two-chamber endotracheal tube, includes that two-chamber endotracheal tube, connector and closed inhale the phlegm pipe, its characterized in that: connector one end is connected two-chamber bronchial catheter, the other end is connected the phlegm pipe is inhaled to the closed, the phlegm pipe is inhaled to the closed includes the trachea connector again, inhales phlegm pipe, mantle and aspirator connector, trachea connector and mantle one end fixed connection, the mantle other end with aspirator connector fixed connection, inhale the phlegm pipe setting in the mantle, its one end with aspirator connector fixed connection, the other end runs through the trachea connector, still be provided with on the trachea connector and annotate the liquid mouth, still be provided with operating button on the aspirator connector.
2. The sealed sputum aspirator for a dual-lumen bronchial catheter of claim 1, wherein: the operating button comprises a snap fastener, a button box and a spring, wherein a snap fastener opening is formed in the lower end of the button box, pipeline openings are formed in the left side and the right side of the button box respectively, the snap fastener is in a convex shape and is arranged inside the button box, a pipeline channel is formed in the upper end of the snap fastener, the snap fastener penetrates through the snap fastener opening and extends out, one end of the spring is connected with the upper end of the button box, and the other end of the spring is connected with the upper end of the.
3. The sealed sputum aspirator for a dual-lumen bronchial catheter of claim 2, wherein: the aspirator connecting port sequentially penetrates through the pipeline opening on the right side of the button box, the pipeline channel at the upper end of the snap fastener and the pipeline opening on the left side of the button box and penetrates through the operation button.
4. The sealed sputum aspirator for a dual-lumen bronchial catheter of claim 1, wherein: the air pipe connecting port is an elastic interface and is sleeved on the connecting head.
5. The sealed sputum aspirator for a dual-lumen bronchial catheter of claim 1, wherein: the sputum suction tube is a hollow thin tube and can move in the mantle.
6. The sealed sputum aspirator for a dual-lumen bronchial catheter of claim 1, wherein: and a marking line is arranged at one end of the sputum suction pipe close to the trachea connector.
7. The sealed sputum aspirator for a dual-lumen bronchial catheter of claim 6, wherein: and a depth line is arranged on one side of the marking line close to the suction apparatus connecting port.
8. The sealed sputum aspirator for a dual-lumen bronchial catheter of claim 1, wherein: annotate liquid mouth one end fixed connection in on the trachea connector, another pot head is equipped with the block.
9. The sealed sputum aspirator for a dual-lumen bronchial catheter of claim 1, wherein: still be provided with the little cover of protection on the aspirator connector, the little cover of protection includes the sleeve cap and connects the rope, connect rope one end fixed connection in on the aspirator connector, other end fixed connection in on the sleeve cap, the sleeve cap can overlap and establish aspirator connector tip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010244945.3A CN111265729A (en) | 2020-03-31 | 2020-03-31 | Closed sputum suction tube for double-cavity bronchial catheter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010244945.3A CN111265729A (en) | 2020-03-31 | 2020-03-31 | Closed sputum suction tube for double-cavity bronchial catheter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111265729A true CN111265729A (en) | 2020-06-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010244945.3A Pending CN111265729A (en) | 2020-03-31 | 2020-03-31 | Closed sputum suction tube for double-cavity bronchial catheter |
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| CN (1) | CN111265729A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2621708Y (en) * | 2003-05-19 | 2004-06-30 | 上海第二医科大学附属仁济医院 | Enclosed sputum aspirator tube |
| CN201082273Y (en) * | 2007-10-11 | 2008-07-09 | 天津市海河医院 | Artificial air flue enclosed type sputum aspirator |
| CN201445695U (en) * | 2009-05-12 | 2010-05-05 | 陈小栋 | Double-cavity bronchial cannula |
| CN202397928U (en) * | 2011-11-11 | 2012-08-29 | 冯清亮 | Tracheal tube with semi-automatic sputum aspiration function |
| CN202478355U (en) * | 2011-12-08 | 2012-10-10 | 徐春红 | Soft type double-lumen endotracheal intubation tube |
| CN204106785U (en) * | 2014-10-23 | 2015-01-21 | 西安医学院附属医院 | A kind of adjustable adapter and apply the double-lumen catheter of this adapter |
| CN204709599U (en) * | 2015-06-12 | 2015-10-21 | 中国人民解放军南京军区南京总医院 | Closed sputum aspirator tube |
| CN209316779U (en) * | 2018-06-22 | 2019-08-30 | 董蜀华 | A kind of dual cavity bronchus vessel |
| CN212262005U (en) * | 2020-03-31 | 2021-01-01 | 江苏省人民医院（南京医科大学第一附属医院） | Closed sputum suction tube for double-cavity bronchial catheter |
-
2020
- 2020-03-31 CN CN202010244945.3A patent/CN111265729A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2621708Y (en) * | 2003-05-19 | 2004-06-30 | 上海第二医科大学附属仁济医院 | Enclosed sputum aspirator tube |
| CN201082273Y (en) * | 2007-10-11 | 2008-07-09 | 天津市海河医院 | Artificial air flue enclosed type sputum aspirator |
| CN201445695U (en) * | 2009-05-12 | 2010-05-05 | 陈小栋 | Double-cavity bronchial cannula |
| CN202397928U (en) * | 2011-11-11 | 2012-08-29 | 冯清亮 | Tracheal tube with semi-automatic sputum aspiration function |
| CN202478355U (en) * | 2011-12-08 | 2012-10-10 | 徐春红 | Soft type double-lumen endotracheal intubation tube |
| CN204106785U (en) * | 2014-10-23 | 2015-01-21 | 西安医学院附属医院 | A kind of adjustable adapter and apply the double-lumen catheter of this adapter |
| CN204709599U (en) * | 2015-06-12 | 2015-10-21 | 中国人民解放军南京军区南京总医院 | Closed sputum aspirator tube |
| CN209316779U (en) * | 2018-06-22 | 2019-08-30 | 董蜀华 | A kind of dual cavity bronchus vessel |
| CN212262005U (en) * | 2020-03-31 | 2021-01-01 | 江苏省人民医院（南京医科大学第一附属医院） | Closed sputum suction tube for double-cavity bronchial catheter |
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