CN104288849A - Chest drainage device - Google Patents
Chest drainage device Download PDFInfo
- Publication number
- CN104288849A CN104288849A CN201410630040.4A CN201410630040A CN104288849A CN 104288849 A CN104288849 A CN 104288849A CN 201410630040 A CN201410630040 A CN 201410630040A CN 104288849 A CN104288849 A CN 104288849A
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- CN
- China
- Prior art keywords
- chamber
- water
- sealing
- pipe
- drainage
- 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.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 122
- 238000007789 sealing Methods 0.000 claims abstract description 119
- 239000007788 liquid Substances 0.000 claims abstract description 19
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims abstract description 17
- 239000012267 brine Substances 0.000 claims description 53
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 claims description 53
- 210000000115 thoracic cavity Anatomy 0.000 claims description 27
- 239000011780 sodium chloride Substances 0.000 abstract description 9
- 206010051986 Pneumatosis Diseases 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 4
- 230000002980 postoperative effect Effects 0.000 abstract description 2
- 208000002151 Pleural effusion Diseases 0.000 abstract 1
- 210000003281 pleural cavity Anatomy 0.000 description 8
- 241000521257 Hydrops Species 0.000 description 6
- 206010030113 Oedema Diseases 0.000 description 6
- 239000012530 fluid Substances 0.000 description 6
- 150000003839 salts Chemical class 0.000 description 6
- 230000000241 respiratory effect Effects 0.000 description 2
- 206010048612 Hydrothorax Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000071 blow moulding Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002685 pulmonary effect Effects 0.000 description 1
- 230000004202 respiratory function Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
Classifications
-
- A61M1/0001—
-
- 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
- A61M2202/00—Special media to be introduced, removed or treated
- A61M2202/0014—Special media to be introduced, removed or treated removed from the body
-
- 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
- A61M2202/00—Special media to be introduced, removed or treated
- A61M2202/04—Liquids
- A61M2202/0492—Pleural
Landscapes
- External Artificial Organs (AREA)
Abstract
The invention belongs to the technical field of medical instruments, and particularly relates to a chest drainage device which is applicable to drainage of a postoperative patient suffering from pleural effusion and pneumatosis and having a chest operation and a heart operation. The chest drainage device comprises a drainage chamber and a saline chamber, wherein the drainage chamber and the saline chamber are hollow cavities; a drainage tube connector and a water sealing tube connector are formed in the top of the drainage chamber; a water sealing tube is communicated with the inner cavity of the saline chamber through the water sealing tube connector, and the free end of the water sealing tube extends into the liquid surface of normal saline in the saline chamber; the drainage chamber and the saline chamber are two chambers which are independent of each other and are clamped together through a clamping groove-clamping block structure. According to the device, misconnection of the drainage tube in the using process can be effectively prevented; meanwhile, the internal liquid level of the saline chamber and the distance between a tube orifice of the water sealing tube and the liquid surface are controlled, so that the tube orifice of the water sealing tube can be positioned below the horizontal plane all the time when the patient inhales, and difficulty in drainage caused by over-extension of the water sealing tube into the liquid surface is avoided.
Description
Technical field
The invention belongs to technical field of medical instruments, be specifically related to a kind of drainage device of thoracic cavity, be applicable to the drain of hydrothorax, pneumatosis, thoracic surgery, operation on heart postoperative patient.
Background technology
In medical domain, when there is pneumatosis and hydrops in the thoracic cavity of patient, lung may be caused to subside, respiratory function declines, and even threat to life, will carry out closed drainage of pleural cavity usually to such patient.Existing clinical treatment use maximum drainage systems be closed thoracic drainage bottle, formed by two bottles of parallel combinations, comprise drainage lumens, salt water cavity, catheter, water sealing (sealing water) pipe and escape pipe, catheter is connected with ductus thoracicus, the intrathoracic hydrops of patient and pneumatosis enter in drainage lumens by ductus thoracicus, catheter, hydrops is stored in drainage lumens, and the pneumatosis of spilling enters in saline bottle from water sealing (sealing water) pipe discharges from escape pipe again.Although this closed thoracic drainage bottle is handy, but there is many problems, such as: the external connecting portion of two bottle structure is more, very easily makes mistakes during use, be also unfavorable for sealing; The filling opening of salt water cavity, easily has dirt to fall in saline bottle upward; The cross section of salt water cavity is too little, if liquid adds very little, when the fluid column in water sealing (sealing water) pipe rises with negative pressure, salt water cavity liquid level declines obviously, water sealing (sealing water) pipe lower surface is easily exposed liquid level and sucks air and enter thoracic cavity, if liquid adds too much, namely water sealing (sealing water) pipe lower port is inserted liquid level and descended dark, in thoracic cavity, gas, liquid must be drawn by fluid column in larger pressure expressed water tube sealing, do not reach the effect of abundant drain like this.A kind of product is separately had to be upper and lower cavity structure, but water sealing (sealing water) pipe and liquid-feeding tube are separate type, this water sealing (sealing water) pipe and liquid-feeding tube separation design, two semi-involution molding must be passed through during production, the sealing in involutory gap cannot be ensured, scientifically cannot carry out finished product factory testing, so this patent is theoretic product, there is no exploitativeness.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, solve the problems that existing closed thoracic drainage bottle exists, a kind of drainage device of thoracic cavity is provided.
In order to realize object of the present invention, the technical solution used in the present invention is:
A kind of drainage device of thoracic cavity, comprise diversion chamber and brine chamber, described diversion chamber and brine chamber are the cavity of hollow, the top of described diversion chamber is provided with drainage tube interface, the top of described diversion chamber is also provided with water sealing (sealing water) pipe interface, water sealing (sealing water) pipe by water sealing (sealing water) pipe interface by diversion chamber and the inner space of brine chamber and the free end of water sealing (sealing water) pipe to stretch in brine chamber below normal saline liquid level; Described diversion chamber and brine chamber are two relatively independent chambers, and two chambers are linked together by interface arrangment or bridging arrangement or hook structure.
The external structure of described diversion chamber and brine chamber is column structure, the bottom of described diversion chamber is provided with draw-in groove or fixture block, the top of described brine chamber is provided with the fixture block or draw-in groove that match, after described diversion chamber and brine chamber are connected together, on the whole in column structure.
The external structure of described diversion chamber and brine chamber is cylinder, and the external upper of described brine chamber is provided with the fixture block of strip, and the longitudinal section of described fixture block is inverted trapezoidal structure, and the lower surface of described diversion chamber outside is provided with the draw-in groove matched with fixture block.
The top of described brine chamber is provided with the liquid-feeding tube that is communicated with its inner chamber, and the internal diameter of described liquid-feeding tube is greater than the external diameter of described water sealing (sealing water) pipe, and the free end of described water sealing (sealing water) pipe stretches in described brine chamber through after described liquid-feeding tube.
The sidewall of described diversion chamber is provided with drainage flow and reads scale, the horizontal plane minimum control scale that described brine chamber sidewall is provided with liquid volume added and the highest control scale of horizontal plane, and described water sealing (sealing water) pipe sidewall is provided with water-column and reads scale.
The top of described liquid-feeding tube is provided with a plug, and described plug is set in the outside of described water sealing (sealing water) pipe, and the sidewall of described liquid-feeding tube is provided with a filling opening.
The sidewall of described diversion chamber is provided with a groove, and described water sealing (sealing water) pipe, liquid-feeding tube, plug are all arranged in groove.
Described groove runs through the upper and lower surface of diversion chamber, and described water sealing (sealing water) pipe, liquid-feeding tube, plug all do not protrude from the outer surface of described diversion chamber.
The cross section of described diversion chamber inner chamber is not more than the cross section of described brine chamber inner chamber.
The upper surface of described diversion chamber is provided with the drop handle for mounting knob.
Beneficial effect of the present invention is:
1. in total of the present invention, only need be connected a unique interface with the closed thoracic drainage tube that patient establishes during use is drainage tube interface, drainage tube misconnection when preventing use;
2. diversion chamber and brine chamber two cavitys are absolute construction completely, can process respectively, and be made by blow molding process, ensure that its sealing, be connected together by notch, from being worked into use, all very convenient;
3. independent design plug is enclosed within water sealing (sealing water) pipe, not only can fix water sealing (sealing water) pipe, prevent water sealing (sealing water) pipe movable, the mouth of pipe of liquid-feeding tube can also be covered, having a filling opening for adding normal saline and aerofluxus at the sidewall of liquid-feeding tube in addition, having prevented dirt from directly falling in salt water cavity;
4. the level cross-sectionn of salt water cavity is designed to the level cross-sectionn being not less than drainage lumens, ensure that patient is when air-breathing, after fluid column rises, the water sealing (sealing water) pipe mouth of pipe is all the time below horizontal plane, is unlikely to again water sealing (sealing water) pipe and stretches into liquid level and cross dark and cause drain difficulty.
Accompanying drawing explanation
Fig. 1 is external structure schematic diagram of the present invention;
Fig. 2 is broken section structural representation of the present invention;
Fig. 3 is A portion close-up schematic view in Fig. 2;
Fig. 4 is the broken section structural representation of H-H in Fig. 2.
1 is diversion chamber, and 2 is brine chamber, and 3 is drainage tube interface, and 4 is water sealing (sealing water) pipe interface, and 5 is water sealing (sealing water) pipe, and 6 is fixture block, and 7 is liquid-feeding tube, and 8 is filling opening, and 9 is plug, and 10 is groove, and 11 is drop handle.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further described:
Embodiment: see Fig. 1, Fig. 2, Fig. 3, Fig. 4.
The invention discloses a kind of drainage device of thoracic cavity, comprise diversion chamber 1 and brine chamber 2, described diversion chamber 1 and brine chamber 2 are the cavity of hollow, the top of described diversion chamber 1 is provided with drainage tube interface 3, the top of described diversion chamber 1 is also provided with water sealing (sealing water) pipe interface 4, water sealing (sealing water) pipe 5 is by water sealing (sealing water) pipe interface 4 by the inner space of diversion chamber 1 with brine chamber 2, and the free end of water sealing (sealing water) pipe 5 to stretch in brine chamber 2 below normal saline liquid level; Described diversion chamber 1 and brine chamber 2 are two relatively independent chambers, and two chambers are connected together by draw-in groove and fixture block structure.The drainage device of thoracic cavity structure of the present invention's design, diversion chamber 1 and brine chamber 2 are designed to two relatively independent chambers, two chambers are linked together by interface arrangment or bridging arrangement or hook structure, in a word, two chambers can be processed respectively, then link together, include but not limited to the connected mode that the present embodiment is enumerated.This version, compared with prior art integral structure, more easily processes.
The top of brine chamber 2 is provided with the liquid-feeding tube 7 that is communicated with its inner chamber, the internal diameter of described liquid-feeding tube 7 is greater than the external diameter of described water sealing (sealing water) pipe 5, like this, the free end of water sealing (sealing water) pipe 5 just can stretch in described brine chamber 2 through after liquid-feeding tube 7, and below the liquid level going deep into normal saline.The top of liquid-feeding tube 7 is provided with a plug 9, described plug 9 is set in the outside of described water sealing (sealing water) pipe 5, gap between liquid-feeding tube 7 and water sealing (sealing water) pipe 5 tube wall is blocked by plug 9, in case foreign body enters brine chamber 2 from liquid-feeding tube 7, the sidewall of liquid-feeding tube 7 is provided with a filling opening 8, can add the normal saline brine chamber 2 from filling opening 8.
Diversion chamber 1 is all designed to column structure with the external structure of brine chamber 2, such as, the common structure such as prism, cylinder can choice for use, the bottom of described diversion chamber 1 is provided with draw-in groove or fixture block, the top of described brine chamber 2 is provided with the fixture block or draw-in groove that match, after described diversion chamber 1 is connected together with brine chamber 1, on the whole in column structure.In the present embodiment, diversion chamber 1 is cylinder with the external structure of brine chamber 2, the external upper of described brine chamber 2 is provided with the fixture block 6 of strip, the longitudinal section of described fixture block 6 is inverted trapezoidal structure, the lower surface of described diversion chamber 1 outside is provided with the draw-in groove matched with fixture block 6, and the upper surface of diversion chamber 1 is provided with drop handle 11.Fixture block 6 is designed to inverted trapezoidal structure, drop handle 11 is installed a handles, like this, just can very easily whole drainage device be moved.
The sidewall of described diversion chamber 1 is provided with drainage flow and reads scale, and described brine chamber 2 sidewall is provided with horizontal plane minimum control scale and the highest control scale of horizontal plane of liquid volume added, and described water sealing (sealing water) pipe 5 sidewall is provided with water-column and reads scale.The design of these scales, can adopt conventional design, such as, all designs one section of transparency window, transparency window can arrange scale, observable liquid level position at the sidewall of diversion chamber 1, brine chamber 2, water sealing (sealing water) pipe 5.
The sidewall of diversion chamber 1 is provided with a groove, and described water sealing (sealing water) pipe 5, liquid-feeding tube 7, plug 9 are all arranged in groove 10.Because groove 10 runs through the upper and lower surface of diversion chamber 1, as one preferred embodiment, described water sealing (sealing water) pipe 5, liquid-feeding tube 7, plug 9 all do not protrude from the outer surface of described diversion chamber 1, and plug 9 is set in the outside of water sealing (sealing water) pipe 5, play a clamping positioning action to liquid-feeding tube 7, water sealing (sealing water) pipe 5 yet, therefore, whole drainage device is from external structure, and be a complete cylindrical structure, cylinder upper surface is after drop handle 11 place mounting knob, can move easily, without any redundancy structure.Certainly, water sealing (sealing water) pipe 5, liquid-feeding tube 7, plug 9 also can protrude from the outer surface design of diversion chamber 1.
The cross section of described diversion chamber 1 inner chamber is not more than the cross section of described brine chamber 2 inner chamber.
Use principle of the present invention is summarized as follows:
From filling opening 8, add appropriate normal saline in brine chamber 2, allow level control in minimum and the highest control scale, the closed thoracic drainage tube established is connected in drainage tube interface 3.
Owing to needing the patient carrying out closed drainage of pleural cavity, pleural space is barotropic state at first, when closed thoracic drainage tube connects described thoracic cavity closed drainage device, pneumatosis in pleural space and hydrops to enter in diversion chamber 1 and occupy diversion chamber 1 certain space, drainage-fluid is stored in the inner chamber of diversion chamber 1, gas and vapor permeation in drain gas out and diversion chamber 1 also stretches into brine chamber 2 end opening by water sealing (sealing water) pipe 5 and overflows into brine chamber 2, owing to having gap between liquid-feeding tube 7 and water sealing (sealing water) pipe 5, therefore, gas can be discharged by liquid-feeding tube 7 and filling opening 8, this process can continue until intrapleural pressure power close to atmospheric pressure in environment residing for patient.Afterwards along with respiratory carries out the drain of remaining pneumatosis and (or) hydrops, upon inhalation, negative pressure in pleural space, cause diversion chamber 1 and negative pressure in brine chamber 2 inner chamber, saline sucks water sealing (sealing water) pipe 5 naturally from brine chamber, fluid column rise reach pressure that certain altitude produces equal with the pressure absolute value in pleural space time, fluid column stops rising, upon exhalation, pleural space is malleation, circulates and so forth, carries out along with respiratory movement goes round and begins again, gas the most at last in pleural space or hydrops drain totally, thus promote that pulmonary opens again.
In the present invention, water sealing (sealing water) pipe 5, and to be positioned by plug 9 for sleeve structure designs with liquid-feeding tube 7, overcomes the defect that in prior art, water sealing (sealing water) pipe 5 and liquid-feeding tube 7 design respectively.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a drainage device of thoracic cavity, comprise diversion chamber (1) and brine chamber (2), described diversion chamber (1) and brine chamber (2) are the cavity of hollow, the top of described diversion chamber (1) is provided with drainage tube interface (3), it is characterized in that: the top of described diversion chamber (1) is also provided with water sealing (sealing water) pipe interface (4), water sealing (sealing water) pipe (5) by water sealing (sealing water) pipe interface (4) by diversion chamber (1) and the inner space of brine chamber (2) and the free end of water sealing (sealing water) pipe (5) to stretch in brine chamber (2) below normal saline liquid level; Described diversion chamber (1) and brine chamber (2) are two relatively independent chambers, and two chambers are linked together by interface arrangment or bridging arrangement or hook structure.
2. drainage device of thoracic cavity according to claim 1, it is characterized in that: described diversion chamber (1) is column structure with the external structure of brine chamber (2), the bottom of described diversion chamber (1) is provided with draw-in groove or fixture block, the top of described brine chamber (2) is provided with the fixture block or draw-in groove that match, after described diversion chamber (1) and brine chamber (1) are connected together, on the whole in column structure.
3. drainage device of thoracic cavity according to claim 2, it is characterized in that: described diversion chamber (1) is cylinder with the external structure of brine chamber (2), the external upper of described brine chamber (2) is provided with the fixture block (6) of strip, the longitudinal section of described fixture block (6) is inverted trapezoidal structure, and the lower surface of described diversion chamber (1) outside is provided with the draw-in groove matched with fixture block (6).
4. the drainage device of thoracic cavity according to claim arbitrary in claim 1 to claim 3, it is characterized in that: the top of described brine chamber (2) is provided with the liquid-feeding tube (7) that is communicated with its inner chamber, the internal diameter of described liquid-feeding tube (7) is greater than the external diameter of described water sealing (sealing water) pipe (5), and the free end of described water sealing (sealing water) pipe (5) stretches in described brine chamber (2) through after described liquid-feeding tube (7).
5. drainage device of thoracic cavity according to claim 4, it is characterized in that: the sidewall of described diversion chamber (1) is provided with drainage flow and reads scale, described brine chamber (2) sidewall is provided with horizontal plane minimum control scale and the highest control scale of horizontal plane of liquid volume added, and described water sealing (sealing water) pipe (3) sidewall is provided with water-column and reads scale.
6. drainage device of thoracic cavity according to claim 4, it is characterized in that: the top of described liquid-feeding tube (7) is provided with a plug (9), described plug (9) is set in the outside of described water sealing (sealing water) pipe (5), and the sidewall of described liquid-feeding tube (7) is provided with a filling opening (8).
7. drainage device of thoracic cavity according to claim 6, is characterized in that: the sidewall of described diversion chamber (1) is provided with a groove, and described water sealing (sealing water) pipe (5), liquid-feeding tube (7), plug (9) are all arranged in groove (10).
8. drainage device of thoracic cavity according to claim 7, it is characterized in that: described groove (10)) run through the upper and lower surface of diversion chamber (1), described water sealing (sealing water) pipe (5), liquid-feeding tube (7), plug (9) all do not protrude from the outer surface of described diversion chamber (1).
9. drainage device of thoracic cavity according to claim 1, is characterized in that: the cross section of described diversion chamber (1) inner chamber is not more than the cross section of described brine chamber (2) inner chamber.
10. drainage device of thoracic cavity according to claim 1, is characterized in that: the upper surface of described diversion chamber (1) is provided with the drop handle (11) for mounting knob.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410630040.4A CN104288849B (en) | 2014-11-11 | 2014-11-11 | Drainage device of thoracic cavity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410630040.4A CN104288849B (en) | 2014-11-11 | 2014-11-11 | Drainage device of thoracic cavity |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104288849A true CN104288849A (en) | 2015-01-21 |
| CN104288849B CN104288849B (en) | 2016-04-13 |
Family
ID=52308952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410630040.4A Active CN104288849B (en) | 2014-11-11 | 2014-11-11 | Drainage device of thoracic cavity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104288849B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105013028A (en) * | 2015-08-03 | 2015-11-04 | 江西龙之吻医疗科技有限公司 | Closed thoracic drainage device |
| CN111481749A (en) * | 2020-04-08 | 2020-08-04 | 扬州大学附属医院 | Improved closed thoracic drainage device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4289158A (en) * | 1976-09-10 | 1981-09-15 | C. R. Bard, Inc. | Suction control apparatus |
| US4650477A (en) * | 1982-10-15 | 1987-03-17 | Sorenson Research Co. Inc. | Suction drainage apparatus |
| CN201115733Y (en) * | 2007-10-31 | 2008-09-17 | 陈长法 | Portable drainage device |
| CN102908684A (en) * | 2012-11-10 | 2013-02-06 | 江西源生狼和医疗器械有限公司 | Negative pressure drainage bottle for closed drainage of pleural cavity |
| CN103285434A (en) * | 2013-05-17 | 2013-09-11 | 朱建军 | Three-cavity drainage bottle |
| CN204133921U (en) * | 2014-11-11 | 2015-02-04 | 周勇飞 | Drainage device of thoracic cavity |
-
2014
- 2014-11-11 CN CN201410630040.4A patent/CN104288849B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4289158A (en) * | 1976-09-10 | 1981-09-15 | C. R. Bard, Inc. | Suction control apparatus |
| US4650477A (en) * | 1982-10-15 | 1987-03-17 | Sorenson Research Co. Inc. | Suction drainage apparatus |
| CN201115733Y (en) * | 2007-10-31 | 2008-09-17 | 陈长法 | Portable drainage device |
| CN102908684A (en) * | 2012-11-10 | 2013-02-06 | 江西源生狼和医疗器械有限公司 | Negative pressure drainage bottle for closed drainage of pleural cavity |
| CN103285434A (en) * | 2013-05-17 | 2013-09-11 | 朱建军 | Three-cavity drainage bottle |
| CN204133921U (en) * | 2014-11-11 | 2015-02-04 | 周勇飞 | Drainage device of thoracic cavity |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105013028A (en) * | 2015-08-03 | 2015-11-04 | 江西龙之吻医疗科技有限公司 | Closed thoracic drainage device |
| CN111481749A (en) * | 2020-04-08 | 2020-08-04 | 扬州大学附属医院 | Improved closed thoracic drainage device |
| CN111481749B (en) * | 2020-04-08 | 2024-06-11 | 扬州大学附属医院 | Improved thoracic closed drainage device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104288849B (en) | 2016-04-13 |
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Effective date of registration: 20171229 Address after: 331500 Yongfeng County, Jiangxi province biomedical industry park, Ji'an Patentee after: Jiangxi Gang Gang Medical Instrument Co., Ltd. Address before: 331500 Ji'an City, Jiangxi province Yongfeng County Road No. 3 Zhenen en Jiang River after building a unit room 602 Patentee before: Zhou Yongfei |