CN112618818B - Drainage device with flushing function for hepatobiliary department - Google Patents
Drainage device with flushing function for hepatobiliary department Download PDFInfo
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- CN112618818B CN112618818B CN202110010933.9A CN202110010933A CN112618818B CN 112618818 B CN112618818 B CN 112618818B CN 202110010933 A CN202110010933 A CN 202110010933A CN 112618818 B CN112618818 B CN 112618818B
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- drainage
- tube
- flushing
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- bottle
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- 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
- A61M25/00—Catheters; Hollow probes
-
- 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
- A61M25/00—Catheters; Hollow probes
- A61M2025/0019—Cleaning catheters or the like, e.g. for reuse of the device, for avoiding replacement
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Pulmonology (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- External Artificial Organs (AREA)
Abstract
The invention discloses a drainage device with a flushing function for hepatobiliary medicine, which comprises a drainage front tube for inserting into a wound for drainage and a flushing mechanism which is communicated with the drainage front tube and is used for flushing the drainage front tube. The invention realizes the cooperative matching of drainage and flushing operation without mutual interference by arranging the drainage front tube with the U-shaped cavity, the drainage mechanism comprising the negative pressure mechanism and the flushing mechanism, and increases the drainage efficiency by one step; through being equipped with the casing, hanging knot, detachable battery, conveniently carry the use, have better practicality.
Description
Technical Field
The invention relates to a drainage device for hepatobiliary department, in particular to a drainage device with a flushing function for hepatobiliary department.
Background
The drainage tube is a medical instrument for clinical surgery drainage, which guides pus, blood and liquid accumulated in human tissue or body cavity to the outside of the body, prevents postoperative infection and promotes wound healing. The surgical drainage tube used clinically has a plurality of types, and is used for catheterization, and is used for wounds, thoracic cavities, brain cavities, gastrointestinal tracts, biliary tracts and the like. Surgical drainage is used to direct pus, blood, fluids accumulated in human tissue or cavities to the outside of the body, preventing post-operative infections and affecting wound healing.
Traditional drainage tube is blocked by tissue fluid easily, causes drainage to terminate, needs to pull down the drainage tube and washes, destroys the wound easily, and is inconvenient to use.
Disclosure of Invention
Based on the defects in the prior art mentioned in the background art, the invention provides a drainage device with a flushing function for hepatobiliary medicine.
The invention adopts the following technical scheme to overcome the technical problems, and specifically comprises the following steps:
the drainage device with the flushing function for the hepatobiliary department comprises a drainage front tube for being inserted into a wound for drainage and a flushing mechanism which is communicated with the drainage front tube and is used for flushing the drainage front tube;
a drainage hole is formed in the surface of the drainage front pipe, and a U-shaped cavity is formed in the drainage front pipe; a drainage mechanism is communicated with one side, close to the drainage hole, of the U-shaped cavity; and one side, away from the drainage hole, of the U-shaped cavity is communicated with a flushing mechanism.
As a further scheme of the invention: the drainage mechanism comprises a drainage tube communicated with the upper part of the U-shaped cavity, and a drainage bottle is communicated with the tail end of the drainage tube.
As a further scheme of the invention: the drainage bottle is communicated with a negative pressure mechanism which enables the drainage bottle to be in a negative pressure state, the negative pressure mechanism comprises an air suction tube, the air suction tube is communicated with the drainage bottle through an air suction tube, the air suction tube is communicated with an exhaust tube, and the air suction tube is connected with a driving mechanism.
As a further scheme of the invention: the driving mechanism comprises a piston disc nested in the air suction cylinder, the piston disc is connected with a piston rod, the piston rod is rotationally connected with a connecting rod, the tail end of the connecting rod is fixedly connected with a traction column, the traction column is rotationally connected with an eccentric disc, the eccentric disc is fixedly connected with a linkage shaft, and the linkage shaft is connected with an output shaft of a driving motor through a transmission gear set.
As a further scheme of the invention: the flushing mechanism comprises a flushing pipe communicated with the lower part of the U-shaped cavity, the flushing pipe is communicated with a liquid suction cylinder, the liquid suction cylinder is communicated with a liquid suction pipe, the liquid suction pipe is communicated with a liquid storage bottle, and flushing liquid is filled in the liquid storage bottle; the structure of the liquid suction cylinder is the same as that of the liquid suction cylinder and is connected with the same driving mechanism.
As a further scheme of the invention: the drainage device with the flushing function for the hepatobiliary department further comprises a shell for accommodating the drainage mechanism and the negative pressure mechanism; the detachable battery is arranged in the shell, the driving motor is electrically connected with the battery and the switch in sequence through leads, and the switch is arranged on the outer surface of the shell; the inner wall of the shell is fixedly connected with a hanging buckle for fixing.
As a further scheme of the invention: be equipped with on the drainage front pipe with drainage tube interference fit's first nozzle stub, first nozzle stub with U die cavity upper portion intercommunication, the drainage bottle be equipped with this drainage bottle screw thread cup joint's first bottle lid, the drainage tube with the exhaust tube all runs through first bottle lid and with first bottle lid seal is fixed.
As a further scheme of the invention: the drainage front pipe is provided with a second short pipe in interference fit with the flushing pipe, and the second short pipe is communicated with the lower part of the U-shaped cavity; the liquid storage bottle is provided with a second bottle cap which is in threaded sleeve joint with the liquid storage bottle, and the liquid suction pipe penetrates through the second bottle cap and is fixed with the second bottle cap in a sealing manner.
As a further scheme of the invention: the exhaust pipe with the exhaust tube intercommunication department is equipped with the first check valve that avoids gaseous backward flow drainage bottle, the blast pipe with the exhaust tube intercommunication department is equipped with the second check valve that avoids outside gas to enter into the exhaust tube.
As a further scheme of the invention: the flushing pipe with the third check valve that the drawing liquid section of thick bamboo was taken out in drawing liquid section of thick bamboo intercommunication department is equipped with and avoids the flushing liquid backward flow drawing liquid section of thick bamboo, the drawing liquid pipe with the fourth check valve that drawing liquid section of thick bamboo intercommunication department is equipped with and avoids the flushing liquid backward flow stock solution bottle.
After adopting the structure, compared with the prior art, the invention has the following advantages: the invention realizes the cooperative matching of drainage and flushing operation without mutual interference by arranging the drainage front tube with the U-shaped cavity, the drainage mechanism comprising the negative pressure mechanism and the flushing mechanism, and increases the drainage efficiency by one step; through being equipped with the casing, hanging knot, detachable battery, conveniently carry the use, have better practicality.
Drawings
Fig. 1 is a schematic diagram of the internal structure of a drainage device with a flushing function for hepatobiliary medicine in right view.
Fig. 2 is an enlarged view at a in fig. 1.
Fig. 3 is a schematic diagram of the internal structure of a drainage device with a flushing function for hepatobiliary medicine.
Fig. 4 is a schematic diagram of the left internal structure of the drainage device with the flushing function for hepatobiliary medicine.
Fig. 5 is a perspective view of a drainage front tube in a drainage device with a flushing function for hepatobiliary medicine.
In the figure: 1-a housing; 101-placing a groove; 2-drainage front tube; 201-drainage holes; 202-U cavity; 3-a first short tube; 4-drainage tube; 5-sleeve; 6-a first bottle cap; 7-an exhaust pipe; 8-a suction cylinder; 9-exhaust pipe; 10-a piston plate; 11-a piston rod; 12-connecting rod; 13-a traction column; 14-eccentric discs; 15-linkage shafts; 16-a drive gear set; 17-a drive motor; 18-a second short tube; 19-a flush tube; 20-a liquid extracting cylinder; 21-an extraction tube; 22-a second bottle cap; 23-drainage bottle; 24-a liquid storage bottle; 25-cell; 26-a switch; 27-hanging buckle; 28-latch cover plate.
Detailed Description
In order that the invention may be readily understood, a more complete description of the invention will be rendered by reference to the appended drawings. The drawings illustrate preferred embodiments of the invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Referring to fig. 1 to 5, in an embodiment of the present invention, a drainage device with a flushing function for hepatobiliary medicine is characterized in that the drainage device with a flushing function for hepatobiliary medicine includes a drainage front tube 2 for inserting into a wound for drainage, and a flushing mechanism which is communicated with the drainage front tube 2 and is used for flushing the drainage front tube 2;
a drainage hole 201 is formed in the surface of the drainage front pipe 2, and a U-shaped cavity 202 is formed in the drainage front pipe 2; a drainage mechanism is communicated with one side, close to the drainage hole 201, of the U-shaped cavity 202; the side of the U-shaped cavity 202, which is far away from the drainage hole 201, is communicated with a flushing mechanism.
Specifically, the interstitial fluid of wound place enters into in the U die cavity 202 in the drainage front tube 2 through drainage hole 201, enters into in the drainage mechanism, and the flushing mechanism is with the flush fluid injection to the drainage front tube 2 is washed in the U die cavity 202 in the drainage front tube 2, avoids drainage front tube 2 to block up, improves drainage efficiency, drainage and flushing operation mutually noninterfere cooperation.
In one embodiment of the invention, the drainage mechanism comprises a drainage tube 4 communicated with the upper part of the U-shaped cavity 202, and a drainage bottle 23 is communicated with the tail end of the drainage tube 4.
Specifically, the tissue fluid to be drained flows into the drainage bottle 23 through the drainage tube 4, and the drainage bottle 23 collects the tissue fluid.
In another embodiment of the present invention, the drainage bottle 23 is communicated with a negative pressure mechanism which makes the drainage bottle 23 in a negative pressure state, the negative pressure mechanism comprises an air suction tube 8, the air suction tube 8 is communicated with the drainage bottle 23 through an air suction tube 7, the air suction tube 8 is communicated with an exhaust tube 9, and the air suction tube 8 is connected with a driving mechanism.
Specifically, the air in the drainage bottle 23 is pumped out by the air pump 8, so that the drainage bottle 23 is in a negative pressure state, and the drainage bottle 23 performs negative pressure suction on tissue fluid in the drainage front tube 2 through the drainage tube 4, so that the drainage efficiency is improved.
In yet another embodiment of the present invention, the mechanism in the driving embodiment includes a piston disc 10 nested in the air suction barrel 8, the piston disc 10 is connected with a piston rod 11, the piston rod 11 is rotatably connected with a connecting rod 12, the tail end of the connecting rod 12 is fixedly connected with a traction column 13, the traction column 13 is rotatably connected with an eccentric disc 14, the eccentric disc 14 is fixedly connected with a linkage shaft 15, and the linkage shaft 15 is connected with an output shaft of a driving motor 17 through a transmission gear set 16.
In yet another embodiment of the present invention, a first one-way valve for preventing the backflow of air from the drainage bottle 23 is disposed at the connection between the air extraction tube 7 and the air extraction tube 8, and a second one-way valve for preventing the entry of external air into the air extraction tube 8 is disposed at the connection between the air extraction tube 9 and the air extraction tube 8.
Specifically, the driving motor 17 drives the eccentric disc 14 to rotate through the linkage shaft 15, and the eccentric disc 14 drives the piston disc 10 to reciprocate in the air suction cylinder 8 through the traction column 13, the connecting rod 12 and the piston rod 11, so that the extraction of the air in the drainage bottle 23 is realized.
In yet another embodiment of the present invention, the flushing mechanism includes a flushing pipe 19 communicated with the lower portion of the U-shaped cavity 202, the flushing pipe 19 is communicated with a liquid suction cylinder 20, the liquid suction cylinder 20 is communicated with a liquid suction pipe 21, the liquid suction pipe 21 is communicated with a liquid storage bottle 24, and flushing liquid is filled in the liquid storage bottle 24; the structure of the liquid suction tube 20 is the same as that of the air suction tube 8 and is connected with the same driving mechanism.
Specifically, the liquid suction cylinder 21 pumps the flushing liquid in the liquid storage bottle 24 into the U-shaped cavity 202 of the drainage front pipe 2, washes the U-shaped cavity 202, and prevents the flushing liquid from directly impacting the wound under the blocking guide flow of the inner wall of the U-shaped cavity 202.
In yet another embodiment of the present invention, the drainage device for hepatobiliary medicine with a flushing function further comprises a housing 1 for accommodating a drainage mechanism and a negative pressure mechanism; a detachable battery 25 is arranged in the shell 1, the driving motor 17 is electrically connected with the battery 25 and a switch 26 in sequence through wires, and the switch 26 is arranged on the outer surface of the shell 1; a hanging buckle 27 for fixing is fixedly connected to the inner wall of the shell 1.
Specifically, through being equipped with detachable battery 25 and hanging knot 27, the user hangs knot casing 1 at personnel's waist, conveniently removes and carries, the doctor-patient activity of being convenient for.
In yet another embodiment of the present invention, the drainage front pipe 2 is provided with a first short pipe 3 in interference fit with the drainage pipe 4, the first short pipe 3 is communicated with the upper portion of the U-shaped cavity 202, the drainage bottle 23 is provided with a first bottle cap 6 in threaded connection with the drainage bottle 23, and the drainage pipe 4 and the air extraction pipe 7 both penetrate through the first bottle cap 6 and are fixed with the first bottle cap 6 in a sealing manner.
Specifically, the convenient personnel dismantles drainage tube 4, conveniently dismantles drainage bottle 23.
In yet another embodiment of the present invention, the drainage front pipe 2 is provided with a second short pipe 18 in interference fit with the flushing pipe 9, and the second short pipe 18 is communicated with the lower part of the U-shaped cavity 202; the liquid storage bottle 24 is provided with a second bottle cap 22 in threaded sleeve connection with the liquid storage bottle 24, and the liquid suction pipe 21 penetrates through the second bottle cap 22 and is fixed with the second bottle cap 22 in a sealing manner.
Specifically, the drainage front tube 2 and the flushing tube 9 are convenient to detach; the liquid storage bottle 24 is convenient to disassemble and assemble.
In yet another embodiment of the present invention, a third one-way valve for preventing the flushing liquid from flowing back to the suction cylinder 20 is disposed at a position where the flushing pipe 19 is communicated with the suction cylinder 20, and a fourth one-way valve for preventing the flushing liquid from flowing back to the liquid storage bottle 24 is disposed at a position where the suction pipe 21 is communicated with the suction cylinder 20.
In yet another embodiment of the present invention, a sleeve 5 is sleeved outside the drainage tube 4 and the flushing tube 9, the front end of the sleeve 5 is in interference fit with the drainage front tube 2, and the tail end of the sleeve 5 is fixedly connected with the casing 1.
Specifically, avoid drainage tube 4 and wash pipe 9 to take place to twine to block up, conveniently arrange in order.
In addition, the shell 1 is provided with a placing groove 101 for accommodating the drainage bottle 23 and the liquid storage bottle 24, and the front end of the placing groove 101 is hinged with a lock catch door plate 28, so that the drainage bottle 23 and the liquid storage bottle 24 can be conveniently dismounted.
The foregoing is illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and the specific structure thereof is allowed to vary. It is intended that all such variations as fall within the scope of the appended claims.
Claims (6)
1. The drainage device with the flushing function for the hepatobiliary department is characterized by comprising a drainage front tube (2) for being inserted into a wound for drainage and a flushing mechanism which is communicated with the drainage front tube (2) and is used for flushing the drainage front tube (2);
a drainage hole (201) is formed in the surface of the drainage front pipe (2), and a U-shaped cavity (202) is formed in the drainage front pipe (2); a drainage mechanism is communicated with one side, close to the drainage hole (201), of the U-shaped cavity (202); one side of the U-shaped cavity (202) far away from the drainage hole (201) is communicated with a flushing mechanism;
the drainage mechanism comprises a drainage tube (4) communicated with the upper part of the U-shaped cavity (202), and the tail end of the drainage tube (4) is communicated with a drainage bottle (23);
the drainage bottle (23) is communicated with a negative pressure mechanism which enables the drainage bottle (23) to be in a negative pressure state, the negative pressure mechanism comprises an air suction tube (8), the air suction tube (8) is communicated with the drainage bottle (23) through an air suction tube (7), the air suction tube (8) is communicated with an exhaust tube (9), and the air suction tube (8) is connected with a driving mechanism;
the driving mechanism comprises a piston disc (10) nested in the air extracting cylinder (8), the piston disc (10) is connected with a piston rod (11), the piston rod (11) is rotationally connected with a connecting rod (12), the tail end of the connecting rod (12) is fixedly connected with a traction column (13), the traction column (13) is rotationally connected with an eccentric disc (14), the eccentric disc (14) is fixedly connected with a linkage shaft (15), and the linkage shaft (15) is connected with an output shaft of a driving motor (17) through a transmission gear set (16);
the flushing mechanism comprises a flushing pipe (19) communicated with the lower part of the U-shaped cavity (202), the flushing pipe (19) is communicated with a liquid suction barrel (20), the liquid suction barrel (20) is communicated with a liquid suction pipe (21), the liquid suction pipe (21) is communicated with a liquid storage bottle (24), and flushing liquid is filled in the liquid storage bottle (24); the structure of the liquid suction cylinder (20) is the same as that of the air suction cylinder (8) and is connected with the same driving mechanism.
2. The drainage device with the flushing function for hepatobiliary medicine according to claim 1, wherein the drainage device with the flushing function for hepatobiliary medicine further comprises a shell (1) for containing a drainage mechanism and a negative pressure mechanism; a detachable battery (25) is arranged in the shell (1), the driving motor (17) is electrically connected with the battery (25) and a switch (26) in sequence through wires, and the switch (26) is arranged on the outer surface of the shell (1); the inner wall of the shell (1) is fixedly connected with a hanging buckle (27) for fixing.
3. The drainage device with the flushing function for hepatobiliary medicine according to claim 1, wherein a first short tube (3) in interference fit with the drainage tube (4) is arranged on the drainage front tube (2), the first short tube (3) is communicated with the upper portion of the U-shaped cavity (202), a first bottle cap (6) in threaded sleeve connection with the drainage bottle (23) is arranged on the drainage bottle (23), and the drainage tube (4) and the exhaust tube (7) penetrate through the first bottle cap (6) and are fixed with the first bottle cap (6) in a sealing mode.
4. The drainage device with the flushing function for hepatobiliary medicine according to claim 1, wherein a second short tube (18) in interference fit with the flushing tube (19) is arranged on the drainage front tube (2), and the second short tube (18) is communicated with the lower part of the U-shaped cavity (202); the liquid storage bottle (24) is provided with a second bottle cap (22) which is in threaded sleeve connection with the liquid storage bottle (24), and the liquid suction pipe (21) penetrates through the second bottle cap (22) and is fixed with the second bottle cap (22) in a sealing mode.
5. The drainage device with the flushing function for hepatobiliary medicine according to claim 1, wherein a first one-way valve for avoiding gas from flowing back to a drainage bottle (23) is arranged at the communication part of the exhaust pipe (7) and the exhaust cylinder (8), and a second one-way valve for avoiding external gas from entering the exhaust cylinder (8) is arranged at the communication part of the exhaust pipe (9) and the exhaust cylinder (8).
6. The drainage device with the flushing function for hepatobiliary medicine according to claim 1, wherein a third one-way valve for preventing flushing fluid from flowing back to the flushing fluid cylinder (20) is arranged at the communication position of the flushing tube (19) and the flushing fluid cylinder (20), and a fourth one-way valve for preventing flushing fluid from flowing back to the liquid storage bottle (24) is arranged at the communication position of the flushing tube (21) and the flushing fluid cylinder (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110010933.9A CN112618818B (en) | 2021-01-06 | 2021-01-06 | Drainage device with flushing function for hepatobiliary department |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110010933.9A CN112618818B (en) | 2021-01-06 | 2021-01-06 | Drainage device with flushing function for hepatobiliary department |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112618818A CN112618818A (en) | 2021-04-09 |
| CN112618818B true CN112618818B (en) | 2023-05-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110010933.9A Active CN112618818B (en) | 2021-01-06 | 2021-01-06 | Drainage device with flushing function for hepatobiliary department |
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| Country | Link |
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| CN (1) | CN112618818B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114366867B (en) * | 2022-01-11 | 2024-04-02 | 北京常欣医疗科技有限公司 | Drainage equipment for hepatobiliary surgery with prevent cross infection |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104837513A (en) * | 2012-12-07 | 2015-08-12 | 美德乐控股公司 | Aspirating device having flushable drainage line |
| CN108671273A (en) * | 2018-04-08 | 2018-10-19 | 无锡市人民医院 | A kind of liver and gall surgical department blocks electronic drainage bottle with putting |
| CN109966573A (en) * | 2019-05-07 | 2019-07-05 | 冯勇 | A kind of medical treatment department of general surgery hepatobiliary drainage device |
| CN110237319A (en) * | 2019-07-12 | 2019-09-17 | 西安交通大学医学院第二附属医院 | Hepatobiliary drainage flusher |
| CN209713756U (en) * | 2018-08-06 | 2019-12-03 | 王兆雄 | A kind of hepatobiliary drainage device of energy auto-flushing and cleaning drainage tube |
| CN112156244A (en) * | 2020-10-11 | 2021-01-01 | 田敏 | Hepatobiliary surgery nursing drainage device |
-
2021
- 2021-01-06 CN CN202110010933.9A patent/CN112618818B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104837513A (en) * | 2012-12-07 | 2015-08-12 | 美德乐控股公司 | Aspirating device having flushable drainage line |
| CN108671273A (en) * | 2018-04-08 | 2018-10-19 | 无锡市人民医院 | A kind of liver and gall surgical department blocks electronic drainage bottle with putting |
| CN209713756U (en) * | 2018-08-06 | 2019-12-03 | 王兆雄 | A kind of hepatobiliary drainage device of energy auto-flushing and cleaning drainage tube |
| CN109966573A (en) * | 2019-05-07 | 2019-07-05 | 冯勇 | A kind of medical treatment department of general surgery hepatobiliary drainage device |
| CN110237319A (en) * | 2019-07-12 | 2019-09-17 | 西安交通大学医学院第二附属医院 | Hepatobiliary drainage flusher |
| CN112156244A (en) * | 2020-10-11 | 2021-01-01 | 田敏 | Hepatobiliary surgery nursing drainage device |
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| CN112618818A (en) | 2021-04-09 |
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