CN114366884B - Integrated thoracic cavity closed drainage device - Google Patents
Integrated thoracic cavity closed drainage device Download PDFInfo
- Publication number
- CN114366884B CN114366884B CN202210101753.6A CN202210101753A CN114366884B CN 114366884 B CN114366884 B CN 114366884B CN 202210101753 A CN202210101753 A CN 202210101753A CN 114366884 B CN114366884 B CN 114366884B
- Authority
- CN
- China
- Prior art keywords
- catheter
- drainage
- assembly
- flux switch
- tube
- Prior art date
- 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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- 210000000115 thoracic cavity Anatomy 0.000 title claims abstract description 20
- 230000004907 flux Effects 0.000 claims abstract description 26
- 239000012528 membrane Substances 0.000 claims abstract description 22
- 239000007788 liquid Substances 0.000 claims abstract description 12
- 239000000956 alloy Substances 0.000 claims abstract description 7
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 7
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 230000009977 dual effect Effects 0.000 abstract description 2
- 230000006870 function Effects 0.000 abstract description 2
- 210000004379 membrane Anatomy 0.000 description 14
- 201000003144 pneumothorax Diseases 0.000 description 9
- 208000027418 Wounds and injury Diseases 0.000 description 7
- 210000000038 chest Anatomy 0.000 description 6
- 206010052428 Wound Diseases 0.000 description 5
- 210000004072 lung Anatomy 0.000 description 3
- 210000004224 pleura Anatomy 0.000 description 3
- 210000003281 pleural cavity Anatomy 0.000 description 3
- 206010002091 Anaesthesia Diseases 0.000 description 2
- 206010008479 Chest Pain Diseases 0.000 description 2
- 208000034656 Contusions Diseases 0.000 description 2
- 229920000297 Rayon Polymers 0.000 description 2
- 230000037005 anaesthesia Effects 0.000 description 2
- 230000009519 contusion Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 230000003601 intercostal effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 210000001519 tissue Anatomy 0.000 description 2
- 208000000059 Dyspnea Diseases 0.000 description 1
- 206010013975 Dyspnoeas Diseases 0.000 description 1
- 208000019693 Lung disease Diseases 0.000 description 1
- 208000002193 Pain Diseases 0.000 description 1
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001574 biopsy Methods 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000036772 blood pressure Effects 0.000 description 1
- 230000005794 circulatory dysfunction Effects 0.000 description 1
- 210000003109 clavicle Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 230000004064 dysfunction Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000000642 iatrogenic effect Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 229960004393 lidocaine hydrochloride Drugs 0.000 description 1
- YECIFGHRMFEPJK-UHFFFAOYSA-N lidocaine hydrochloride monohydrate Chemical compound O.[Cl-].CC[NH+](CC)CC(=O)NC1=C(C)C=CC=C1C YECIFGHRMFEPJK-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003387 muscular Effects 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 230000036407 pain Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004202 respiratory function Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000008223 sterile water Substances 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- A61M1/04—Artificial pneumothorax apparatus
Abstract
The invention discloses an integrated thoracic closed drainage device, which comprises a drainage bottle and a puncture drainage assembly; the puncture drainage assembly comprises a catheter, a one-way valve assembly arranged on a catheter passage and used for drainage, and a flux switch used for controlling gas and liquid to pass through; the catheter is a shape alloy memory catheter, and is provided with a conical tip; the one-way valve assembly comprises a semi-permeable membrane assembly communicated with the catheter, and one side of the semi-permeable membrane assembly is provided with an opening, and the other side of the semi-permeable membrane assembly is closed. The catheter is arranged as a shape alloy memory catheter, so that the catheter can be smoothly placed in the thoracic cavity, and the dual functions of puncture and drainage are achieved. The drainage from the chest cavity to the outside is realized by arranging flux switch, one-way valve component, drainage bottle and other components; meanwhile, the drainage device has small wound, convenient use and convenient carrying.
Description
Technical Field
The invention relates to the technical field of drainage devices, in particular to an integrated thoracic closed drainage device.
Background
The pleural cavity is a closed potential cavity void of gas, and once the tightness of the pleural cavity is broken, gas enters and accumulates in the chest cavity to cause the lungs to compress, which is called pneumothorax. A large number of pneumothorax patients are accompanied with obvious respiratory or circulatory dysfunction, chest pain and chest distress and serious dyspnea, and symptoms such as heart rate acceleration, blood pressure reduction, shock and the like can also occur due to disappearance of venous blood back-heart negative pressure. Clinically, lung tissues and visceral pleura are ruptured due to primary lung diseases or are caused by iatrogenic factors, such as surgery, lung biopsy, placement of central venous catheters, surgery requiring access to the chest cavity, etc.; in daily life, the Chinese medicinal composition is mainly caused by sharp tool injury, blunt contusion and traffic accidents; battlefield is mainly caused by chest and back penetrations (gun shots), contusions (car accidents) and intense explosions.
The occurrence rate of pneumothorax in the wounded person who takes place chest wound is up to 97.6%, and the wounded pneumothorax usually takes place urgently, changes soon and needs urgent treatment, and effective treatment can save more than 90% wounded person's life, if mishandling or the untimely breathing of leading to the patient, circulation dysfunction, serious person can endanger patient's life safety, so need carry out first aid to it in the scene of rescuing stage outside the hospital.
The existing pneumothorax treatment mode is that doctors carry out in an operating room: the skin of the patient is cut, a drainage tube is inserted into the chest cavity through the 2 nd intercostal of the clavicle midline, and the external section of the drainage tube is connected with a drainage bag or a drainage bottle to carry out continuous chest cavity closed drainage. During operation, the patient takes a semi-lying position or a supine position, is sterilized locally and conventionally, is spread with sterile towel, is subjected to local infiltration anesthesia by 1% lidocaine hydrochloride, and is anesthetized to parietal pleura. After successful anesthesia, an incision of about 1-2cm in length is made along the intercostal, the muscular layer is passively separated, the parietal pleura is punctured, a drainage tube is placed into the pleural cavity from the incision, and then the drainage tube is fixed by local skin suturing and connected with a sterile water seal bag or bottle. The drainage device mainly comprises a closed drainage bag, a drainage connecting pipe, a joint and a three-way cock, is large in size, inconvenient to carry, complex to operate and large in formed wound, and is not suitable for outdoor first aid, battlefield first aid, pre-hospital first aid and other conditions. Meanwhile, the existing drainage device is easy to generate the phenomena of untimely exhaust and liquid discharge, and also can generate the phenomenon of gas backflow, so that the use danger is high.
Disclosure of Invention
The invention aims to provide an integrated thoracic cavity closed drainage device which is convenient to use, small in formed wound, timely in drainage and capable of avoiding backflow, and is used for solving the technical problems in the background technology.
The technical scheme of the invention provides an integrated thoracic closed drainage device, which comprises a drainage bottle and a puncture drainage assembly; the puncture drainage assembly comprises a catheter, a one-way valve assembly arranged on a catheter passage and used for drainage, and a flux switch used for controlling gas and liquid to pass through;
the catheter is a shape alloy memory catheter, and is provided with a conical tip; the one-way valve assembly comprises a semi-permeable membrane assembly communicated with the catheter, and one side of the semi-permeable membrane assembly is provided with an opening, and the other side of the semi-permeable membrane assembly is closed.
In a preferred embodiment, a section of transparent tube assembly is connected to the catheter, the transparent tube assembly comprises an outer tube and an inner tube, an inserting portion communicated with the catheter is arranged inside the inner tube, and the semipermeable membrane assembly is arranged in the inner tube and is inserted and fixed with the inserting portion through an opening.
In a preferred embodiment, the inner tube extends into the flux switch away from the semipermeable membrane assembly end, one side of the flux switch is connected with the outer tube, the other side of the flux switch is connected with a drainage bottle interface, the drainage bottle is in threaded connection with the drainage bottle interface, and the back of the drainage bottle is provided with adhesive.
In a preferred embodiment, the inner tube is arranged through the flux switch, the inner tube is a hose, the flux switch comprises a fixing part and a knob part, a pressing tube assembly is arranged on the knob part, the pressing tube assembly is contacted with the side surface of the catheter, and when the knob part is rotated, the pressing tube assembly moves along the direction of closing or opening the flux switch;
the knob part comprises an upper limit part and a lower limit part which are connected through a connecting plate, wherein the upper limit part and the lower limit part are respectively provided with a cylindrical cavity, the cylindrical cavities are arranged deviating from the longitudinal axis of the inner tube, and the pressure tube assembly is arranged between the upper limit part and the lower limit part;
the pipe pressing assembly comprises an arc limiting plate, a pressing column and a spring, wherein two sides of the arc limiting plate extend into the cylindrical cavity of the upper limiting part and the cylindrical cavity of the lower limiting part respectively, the pressing column is perpendicular to the arc limiting plate, the spring is sleeved on the pressing column, the end part of the pressing column is in contact with the inner pipe, and the arc limiting plate is in abutting-pressing contact with the cylindrical cavity.
In a preferred embodiment, a butterfly application is provided on the catheter.
The technical scheme of the invention has the beneficial effects that:
1. the catheter is arranged as a shape alloy memory catheter, so that the catheter can be smoothly placed in the thoracic cavity, and the dual functions of puncture and drainage are achieved. The drainage from the chest cavity to the outside is realized by arranging flux switch, one-way valve component, drainage bottle and other components; meanwhile, the drainage device has small wound, convenient use and convenient carrying.
2. The semi-permeable membrane component ensures that gas and liquid can be timely drained into the inner tube, and simultaneously ensures that external gas cannot enter the chest. The inner tube and the appearance are both set to be transparent, so that the collection condition of gas and liquid in the inner view and the operation process are observed from the outside, and then the flux switch is controlled to be turned on or off in time.
Drawings
Figure 1 is a schematic diagram of the overall structure of the invention,
figure 2 is a disassembled view of the structure of the present invention,
figure 3 is a graph showing the relationship between the tube pressing assembly and the knob position,
FIG. 4 is a view showing another view angle of the tube pressing assembly and the knob portion according to the present invention.
Reference numerals illustrate: 1 drainage bottle, 11 viscose, 2 guide pipe, 21 through hole, 22 drainage bottle interface, 23 scale mark, 3 check valve subassembly, 31 semipermeable membrane subassembly, 4 flux switch, 41 fixed part, 42 knob portion, 421 connecting plate, 422 upside limit portion, 423 downside limit portion, 424 cylindricality cavity, 43 press pipe subassembly, 431 arc limiting plate, 432 press post, 433 spring, 5 transparent pipe subassembly, 51 outer tube, 52 inner tube, 6 grafting portion, 7 butterfly are applied.
Detailed Description
The invention will be described in further detail with reference to the drawings and the detailed description. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Referring to fig. 1-4, the technical scheme of the invention provides an integrated thoracic cavity closed drainage device, which comprises a drainage bottle 1 and a puncture drainage assembly; the puncture drainage assembly comprises a catheter 2, a one-way valve assembly 3 arranged on the passage of the catheter 2 and used for drainage, and a flux switch 4 used for controlling the gas-liquid to pass through.
Catheter 2 is a shape alloy memory catheter 2, catheter 2 being provided with a tapered tip to facilitate penetration into the chest cavity. The catheter 2 is made of 0.08-0.12 mm thin-wall medical alloy, the surface of the catheter is provided with scale marks 23, and the length of the catheter 2 is 8-15 cm. The far end of the catheter 2 is made of an elastic temperature control memory bending material, after the catheter is punctured into the chest, the temperature influence in a receptor can automatically roll into a closed circular shape to protect the tissue in the chest from being damaged by the catheter 2, and 3 through holes 3 are formed in the annular inner side wall of the catheter 2 and are used for collecting the gas or liquid in the chest in multiple directions.
The one-way valve assembly 3 comprises a semi-permeable membrane assembly 31 communicated with the catheter 2, wherein one side of the semi-permeable membrane assembly 31 is provided with an opening, and the other side is closed. The catheter 2 is connected with a section of transparent tube assembly 5, the transparent tube assembly 5 comprises an outer tube 51 and an inner tube 52, a plug-in part 6 communicated with the catheter 2 is arranged inside the inner tube 52, and the semipermeable membrane assembly 31 is arranged in the inner tube 52 and fixedly plugged with the plug-in part 6 through an opening.
The semipermeable membrane component 31 ensures that the intrathoracic gas or liquid flows out of the body in one direction and cannot flow back, and the semipermeable membrane component 31 is made of polymer nano materials and can only pass through the liquid and the gas in one direction. The semi-permeable membrane assembly 31 ensures that gas and liquid can be timely drained into the inner tube 52, and simultaneously ensures that external gas cannot enter the chest cavity. The inner tube 52 and the outer tube 51 are both set in a transparent state so as to observe the gas and liquid collection condition in the inner tube 52 from the outside and the operation progress, thereby timely controlling the opening or closing of the flux switch 4.
The inner tube 52 is kept away from the semi-permeable membrane assembly 31 end and extends into the flux switch 4, one side of the flux switch 4 is connected with the outer tube 51, the other side is connected with the drainage bottle interface 22, the drainage bottle 1 is in threaded connection with the drainage bottle interface 22, and the back of the drainage bottle 1 is provided with the viscose glue 11 so as to fix the drainage bottle 1 on a human body, and the drainage stability is improved. The catheter 2 is also provided with a butterfly application 7 which is used for being applied to the surface of the skin for fixation and preventing the catheter 2 from falling off after puncture is successful.
The inner tube 52 is disposed through the flux switch 4, the inner tube 52 is a flexible tube, the flux switch 4 includes a fixing portion 41 and a knob portion 42, a tube pressing assembly 43 is disposed on the knob portion 42, the tube pressing assembly 43 contacts with the side surface of the catheter 2, and when the knob portion 42 is rotated, the tube pressing assembly 43 moves along the direction of closing or opening the flux switch 4. The inner tube 52 is pressed by the tube pressing assembly 43 to form a closed state of the inner channel, so that the purpose of sealing the flow channel of the inner tube 52 is achieved, and otherwise, the channel is opened.
The knob portion 42 includes an upper limiting portion 422 and a lower limiting portion 423 connected by a connecting plate 421, the upper limiting portion 422 and the lower limiting portion 423 are each provided with a cylindrical cavity 424, the cylindrical cavities 424 are disposed offset from the longitudinal axis of the inner tube 52, and the pressure tube assembly 43 is disposed between the upper limiting portion 422 and the lower limiting portion 423. The pressing tube assembly 43 comprises an arc-shaped limiting plate 431, a pressing column 423 and a spring 433, wherein two sides of the arc-shaped limiting plate 431 extend into the cylindrical cavity 424 of the upper limiting part 422 and the lower limiting part 423 respectively, the pressing column 423 is perpendicular to the arc-shaped limiting plate 431, the spring 433 is sleeved on the pressing column 423, the end part of the pressing column 423 is in contact with the inner tube 52, and the arc-shaped limiting plate 431 is in pressing contact with the cylindrical cavity 424.
The thickness of the inner walls of the upper limiting part 422 and the lower limiting part 423 is gradually increased, that is, the vertical distance from the inner walls of the upper limiting part 422 and the lower limiting part 423 to the longitudinal axis of the inner tube 52 is gradually reduced, when the knob part 42 is rotated, the arc limiting plate 431 gradually approaches the inner tube 52 because of the barrier of the inner walls of the upper limiting part 422 and the lower limiting part 423, and the pressing column 423 thereon gradually presses the inner tube 52 to close the passage; reverse twisting of knob portion 42 with inner tube 52 closed opens the passage of inner tube 52.
Finally, the drainage device related in the scheme can be used in any environment inside and outside a hospital, including outdoor sudden pneumothorax and battlefield emergency. Compared with the traditional operation treatment mode, the thoracic closed drainage device is simpler and more convenient and has smaller wound, and ensures that the puncture position, depth and the like meet the treatment requirements when doctors or users perform minimally invasive operations on pneumothorax; and rapidly drain and exhaust pneumothorax, thereby guaranteeing the safety and treatment effect of the operation, greatly reducing the death rate and the body injury of the patient, greatly improving the working efficiency, shortening the operation time and reducing the pain of the patient. The pneumothorax closed drainage device is simple to operate and convenient to maintain, and can be used by a patient in various complex environments.
It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art and which are included in the embodiments of the present invention without the inventive step, are intended to be within the scope of the present invention. Structures, devices and methods of operation not specifically described and illustrated herein, unless otherwise indicated and limited, are implemented according to conventional means in the art.
Claims (2)
1. An integral thoracic closed drainage device is characterized in that: comprises a drainage bottle and a puncture drainage assembly; the puncture drainage assembly comprises a catheter, a one-way valve assembly arranged on a catheter passage and used for drainage, and a flux switch used for controlling gas and liquid to pass through;
the catheter is a shape alloy memory catheter, and is provided with a conical tip; the one-way valve assembly comprises a semi-permeable membrane assembly communicated with the catheter, and one side of the semi-permeable membrane assembly is provided with an opening, and the other side of the semi-permeable membrane assembly is closed;
the catheter is connected with a section of transparent pipe assembly, the transparent pipe assembly comprises an outer pipe and an inner pipe, a plug-in part communicated with the catheter is arranged inside the inner pipe, and the semipermeable membrane assembly is arranged in the inner pipe and fixedly plugged with the plug-in part through an opening;
the inner tube extends into the flux switch far away from the semi-permeable membrane assembly end, one side of the flux switch is connected with the outer tube, the other side of the flux switch is connected with a drainage bottle interface, the drainage bottle is in threaded connection with the drainage bottle interface, and the back of the drainage bottle is provided with adhesive;
the inner tube penetrates through the flux switch, the inner tube is a hose, the flux switch comprises a fixing part and a knob part, a tube pressing assembly is arranged on the knob part and is contacted with the side surface of the catheter, and when the knob part is rotated, the tube pressing assembly moves along the direction of closing or opening the flux switch;
the knob part comprises an upper limit part and a lower limit part which are connected through a connecting plate, wherein the upper limit part and the lower limit part are respectively provided with a cylindrical cavity, the cylindrical cavities are arranged deviating from the longitudinal axis of the inner tube, and the pressure tube assembly is arranged between the upper limit part and the lower limit part;
the pipe pressing assembly comprises an arc limiting plate, a pressing column and a spring, wherein two sides of the arc limiting plate extend into the cylindrical cavity of the upper limiting part and the cylindrical cavity of the lower limiting part respectively, the pressing column is perpendicular to the arc limiting plate, the spring is sleeved on the pressing column, the end part of the pressing column is in contact with the inner pipe, and the arc limiting plate is in abutting-pressing contact with the cylindrical cavity.
2. The integrated thoracic closed drainage device of claim 1 wherein: the catheter is provided with a butterfly application.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210101753.6A CN114366884B (en) | 2022-01-27 | 2022-01-27 | Integrated thoracic cavity closed drainage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210101753.6A CN114366884B (en) | 2022-01-27 | 2022-01-27 | Integrated thoracic cavity closed drainage device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114366884A CN114366884A (en) | 2022-04-19 |
| CN114366884B true CN114366884B (en) | 2024-02-23 |
Family
ID=81146646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210101753.6A Active CN114366884B (en) | 2022-01-27 | 2022-01-27 | Integrated thoracic cavity closed drainage device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114366884B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010090908A (en) * | 2000-04-08 | 2001-10-22 | 유인술 | A check valve typed thoracic cavity inserting tube |
| KR20140016721A (en) * | 2012-07-31 | 2014-02-10 | 에이스메디칼 주식회사 | Suction catheter for surgical |
| CN114366883A (en) * | 2022-01-27 | 2022-04-19 | 北京启丹医疗科技有限公司 | Combined closed thoracic drainage device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6638253B2 (en) * | 2001-07-17 | 2003-10-28 | Eugene Michael Breznock | Method and apparatus for chest drainage |
| US7135010B2 (en) * | 2003-09-30 | 2006-11-14 | Damage Control Surgical Technologies, Inc. | Method and apparatus for rapid deployment chest drainage |
-
2022
- 2022-01-27 CN CN202210101753.6A patent/CN114366884B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010090908A (en) * | 2000-04-08 | 2001-10-22 | 유인술 | A check valve typed thoracic cavity inserting tube |
| KR20140016721A (en) * | 2012-07-31 | 2014-02-10 | 에이스메디칼 주식회사 | Suction catheter for surgical |
| CN114366883A (en) * | 2022-01-27 | 2022-04-19 | 北京启丹医疗科技有限公司 | Combined closed thoracic drainage device |
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| Publication number | Publication date |
|---|---|
| CN114366884A (en) | 2022-04-19 |
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