CN106492325B - Drainage tube - Google Patents
Drainage tube Download PDFInfo
- Publication number
- CN106492325B CN106492325B CN201610993379.XA CN201610993379A CN106492325B CN 106492325 B CN106492325 B CN 106492325B CN 201610993379 A CN201610993379 A CN 201610993379A CN 106492325 B CN106492325 B CN 106492325B
- Authority
- CN
- China
- Prior art keywords
- drainage
- tube
- drainage tube
- drainage head
- head pipe
- 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.)
- Active
Links
- 239000007788 liquid Substances 0.000 claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 230000010354 integration Effects 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 10
- 239000008280 blood Substances 0.000 abstract description 6
- 210000004369 blood Anatomy 0.000 abstract description 6
- 230000006835 compression Effects 0.000 abstract description 3
- 238000007906 compression Methods 0.000 abstract description 3
- 208000007536 Thrombosis Diseases 0.000 abstract description 2
- 230000000903 blocking effect Effects 0.000 abstract description 2
- 230000001338 necrotic effect Effects 0.000 abstract description 2
- 206010052428 Wound Diseases 0.000 description 14
- 208000027418 Wounds and injury Diseases 0.000 description 14
- 238000000034 method Methods 0.000 description 7
- 230000035515 penetration Effects 0.000 description 2
- 230000028327 secretion Effects 0.000 description 2
- 238000007460 surgical drainage Methods 0.000 description 2
- 206010003445 Ascites Diseases 0.000 description 1
- 208000002151 Pleural effusion Diseases 0.000 description 1
- 206010067268 Post procedural infection Diseases 0.000 description 1
- 210000003567 ascitic fluid Anatomy 0.000 description 1
- 210000001124 body fluid Anatomy 0.000 description 1
- 239000010839 body fluid Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002504 physiological saline solution Substances 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000008093 supporting effect Effects 0.000 description 1
- 230000002485 urinary effect Effects 0.000 description 1
- 230000029663 wound healing Effects 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
- A61M25/00—Catheters; Hollow probes
- A61M25/0021—Catheters; Hollow probes characterised by the form of the tubing
- A61M25/0023—Catheters; Hollow probes characterised by the form of the tubing by the form of the lumen, e.g. cross-section, variable diameter
- A61M25/0026—Multi-lumen catheters with stationary elements
-
- 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
- A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
- A61M25/0068—Static characteristics of the catheter tip, e.g. shape, atraumatic tip, curved tip or tip structure
-
- 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
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/06—Body-piercing guide needles or the like
- A61M25/065—Guide needles
-
- 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
- A61M25/10—Balloon catheters
-
- 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
- A61M25/0021—Catheters; Hollow probes characterised by the form of the tubing
- A61M25/0023—Catheters; Hollow probes characterised by the form of the tubing by the form of the lumen, e.g. cross-section, variable diameter
- A61M25/0026—Multi-lumen catheters with stationary elements
- A61M2025/0037—Multi-lumen catheters with stationary elements characterized by lumina being arranged side-by-side
-
- 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
- A61M25/0043—Catheters; Hollow probes characterised by structural features
- A61M2025/0059—Catheters; Hollow probes characterised by structural features having means for preventing the catheter, sheath or lumens from collapsing due to outer forces, e.g. compressing forces, or caused by twisting or kinking
-
- 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
- A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
- A61M25/0074—Dynamic characteristics of the catheter tip, e.g. openable, closable, expandable or deformable
- A61M2025/0079—Separate user-activated means, e.g. guidewires, guide tubes, balloon catheters or sheaths, for sealing off an orifice, e.g. a lumen or side holes, of a catheter
Abstract
The invention relates to a drainage tube, which comprises a drainage tube main body, wherein the rear end of the drainage tube main body is a joint end, the front end of the drainage tube main body is a drainage head tube, three support bars extending along the length direction of the drainage head tube are arranged in the drainage head tube, one longitudinal side edge of each support bar is integrally connected with each other, the other longitudinal side edge is integrally connected with the inner wall of the drainage head tube, and a plurality of drainage holes are formed in the tube wall of the drainage head tube and in the support bars. The beneficial effects of the invention are as follows: the drainage head tube is supported by the three support bars arranged in the drainage head tube, and the drainage holes are arranged on the tube wall of the drainage head tube and the support bars so that pus, blood and liquid can flow into the drainage tube from the inside of the body, and can flow into the three chambers of the drainage tube, so that the whole drainage tube is prevented from being blocked by compression or blood clot and necrotic tissue blocking a chamber when the drainage tube is in a human body, and the drainage tube is safe and reliable and is simple to use.
Description
Technical Field
The invention relates to medical equipment, in particular to a drainage tube for draining blood and secretion of an operation part after surgical operation.
Background
The purpose of surgical drainage is to guide pus, blood, liquid and the like accumulated in human tissues or body cavities to the outside of the body, and has the functions of preventing postoperative infection, promoting wound healing and the like. Surgical drainage tubes used clinically are of various types, such as urinary catheter, pleural effusion drainage tube, peritoneal effusion drainage tube, etc.
At present, the drainage of blood and secretion at operation parts in various hospitals in various places in China generally adopts the following two measures: (1) The drainage strip is directly inserted into the incision part of the operation, the material is medical rubber, gauze and the like, and the drainage effect is poor. (2) A medical rubber silicone tube is inserted beside a suture hole, a pipeline head section is provided with a plurality of round holes or elliptical holes, and other devices are not arranged on the pipeline, so that in order to prevent the drainage tube from slipping off, a needle is sutured outside the skin for fixing the drainage tube or a pasting device is adopted for fixing, the steps are complicated, the drainage liquid hole cannot be prevented from leaking, and particularly liquid is easy to leak when the joint is flushed.
Disclosure of Invention
The invention aims to solve the technical problem of providing the drainage tube which has a simple structure and can effectively prevent the liquid inlet end of the drainage tube from being blocked, leaked and slipped.
The technical scheme for solving the technical problems is as follows: the utility model provides a drainage tube, includes the drainage tube main part, the rear end of drainage tube main part is the joint end, the front end of drainage tube main part is the drainage head pipe, be equipped with three in the drainage head pipe along the support bar that the length direction of drainage head pipe extends, three the side of a length direction of support bar is integrated with each other and is connected, another length direction's side with the inner wall integration of drainage head pipe is connected, three the support bar evenly sets up will the drainage head pipe separates into the intercommunication three cavity at drainage head pipe both ends, all be equipped with a plurality of water conservancy diversion holes on the pipe wall of drainage head pipe and on the support bar.
The beneficial effects of the invention are as follows: the drainage head tube is internally provided with three support bars which are integrally connected with one side edge in one length direction of the three support bars, the other side edge in the other length direction is integrally connected with the drainage head tube respectively, and the tube wall of the drainage head tube and the support bars are provided with drainage holes so that pus, blood and liquid can flow into the drainage tube from the inside, and can flow in three chambers of the drainage tube once one chamber is blocked, and the drainage liquid can flow from the other two chambers, thereby preventing the drainage tube from being blocked due to compression in the human body, and obviously reducing the probability of blocking the whole drainage tube by blood clots or necrotic tissues. Safe and reliable, easy to use.
On the basis of the technical scheme, the invention can be improved as follows.
Further, the middle part of drainage tube main part is close to be equipped with the gasbag on the pipe wall of drainage head pipe, can outwards expand after the gasbag pours into gas or liquid into, the rear end of drainage tube main part is equipped with the intake pipe that is used for connecting the syringe, the intake pipe pass through the air duct with the gasbag intercommunication.
The beneficial effects of adopting the further scheme are as follows: in the use process, the air bag part is arranged on the inner wall of the wound, and gas or liquid is injected into the air bag through the air inlet pipe to expand the air bag, so that the drainage head pipe at the other end of the air bag is prevented from falling off from the wound.
Further, an air inlet valve is arranged in the air inlet pipe.
The beneficial effects of adopting the further scheme are as follows: the arrangement of the air inlet valve can realize that after gas or liquid is added into the air bag, the gas and the liquid can not flow backwards when the air inlet valve is closed, so that the air bag is contracted, the drainage head tube is separated, and the safety and the reliability are improved.
Further, the air duct is arranged in the tube wall of the drainage tube main body or on the outer side of the tube wall or on the inner side of the tube wall.
The beneficial effects of adopting the further scheme are as follows: the air duct adopts the capillary tube with smaller inner diameter, and the air duct is prevented from being damaged to generate air leakage phenomenon in the using process by being arranged in the tube wall of the drainage tube main body or on the outer side of the tube wall or on the inner side of the tube wall.
Further, the gasbag is kept away from the drainage head pipe exposes one side outside the skin the outer pipe wall of drainage tube main part is last to be equipped with lock dish antiskid structure, lock dish antiskid structure is last to be overlapped and is had the lock dish.
The beneficial effects of adopting the further scheme are as follows: the utility model discloses a drainage head pipe, including the drainage head pipe, the gasbag is kept away from the gasbag, sets up lock dish antiskid structure in one side of gasbag keep away from the drainage head pipe to lock dish antiskid is established to the cover on lock dish antiskid structure, and in the use, the gasbag is established in wound inner wall inboard, and lock dish is established at wound outer wall and lock dish antiskid structure makes lock dish only can remove and can not remove to the opposite side to the gasbag direction, lock dish butt wound, prevents under the cooperation of gasbag that body fluid from exporting from the wound.
Further, the lock catch anti-slip structure is a plurality of barb-shaped structures which are arranged towards the air bag.
The beneficial effects of adopting the further scheme are as follows: the lock disc anti-slip structure adopts a barb-shaped structure, has simple structure and can prevent the lock disc from moving towards the rear end of the drainage tube main body.
Further, the front end of the drainage head tube is provided with a guide needle for puncturing the skin.
The beneficial effects of adopting the further scheme are as follows: the guiding needle can be arranged to conveniently puncture the drainage head tube into the wound.
Further, the rear end of the guide needle is inserted into the drainage head tube, and the guide needle is in interference fit with the drainage head tube.
The beneficial effects of adopting the further scheme are as follows: the guide needle and the drainage head tube are in interference fit, and are fixed firmly and stably.
Further, the included angle between two adjacent support bars is 120 degrees.
The adoption of the method has the further beneficial effects that: the contained angle between two adjacent support bars is 120 degrees, and three support bars are the symmetry setting, improve the supporting effect, reduce the drainage tube and block up, and communicate each other through the hole on the support bar wall, in case a chamber takes place to block up, the drainage liquid can get into another passageway through the hole on the wall, reduces the jam rate. The air bag has the function of preventing the drainage tube from sliding in the cavity, and the matched lock catch prevents leakage and the outer end of the cavity from sliding in to pollute the drainage cavity.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a cross-sectional view taken along the A-A plane of the flow header tube of FIG. 1;
in the drawings, the list of components represented by the various numbers is as follows:
1. the drainage tube comprises a drainage tube main body, 2, a joint end, 3, a drainage head tube, 4, a support bar, 5, a cavity, 6, a drainage hole, 7, an air bag, 8, an air inlet pipe, 9, an air duct, 10, an air inlet valve, 11, a locking disc, 12, a barb-shaped structure, 13 and a guide needle.
Detailed Description
The principles and features of the present invention are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the invention and are not to be construed as limiting the scope of the invention.
As shown in fig. 1 and 2, the drainage tube comprises a drainage tube main body 1, the rear end of the drainage tube main body 1 is a joint end 2, the front end of the drainage tube main body 1 is a drainage head pipe 3, three support strips 4 extending along the length direction of the drainage head pipe 3 are arranged in the drainage head pipe 3, one longitudinal side edge of each of the three support strips 4 is integrally connected with each other, the other longitudinal side edge of each of the three support strips 4 is integrally connected with the inner wall of the drainage head pipe 3, the three support strips 4 are uniformly provided with three chambers 5 which divide the drainage head pipe 3 into two ends of the drainage head pipe 3, a plurality of drainage holes 6 are respectively arranged on the pipe wall of the drainage head pipe 3 and the support strips 4, and an included angle between every two adjacent support strips 4 is 120 degrees. In the embodiment of the present invention, the size of each deflector hole 6 may be uniform or may be different. The drainage tube main body 1 is a flexible hose.
Preferably, in the embodiment of the present invention, an air bag 7 is disposed on a pipe wall of the middle portion of the drainage pipe body 1, which is close to the drainage head pipe 3, the air bag 7 expands outwards after injecting gas or liquid, an air inlet pipe 8 for connecting with a syringe is disposed at the rear end of the drainage pipe body 1, and the air inlet pipe 8 is communicated with the air bag 7 through an air duct 9. In the use process, the air bag 7 is partially arranged on the inner wall of a wound, and gas or liquid is added into the air bag 7 through the air inlet pipe 8 to expand the air bag 7, so that the drainage head pipe 3 at the other end of the air bag 7 is prevented from falling off from the wound.
Preferably, in the embodiment of the present invention, an intake valve 10 is provided in the intake (water) pipe 8. The arrangement of the air inlet valve 10 can realize that after the air or liquid is added into the air bag 7, the air and the liquid can not flow backwards when the air inlet valve 10 is closed, so that the air bag 7 is contracted, the drainage head tube 3 is separated, and the safety and the reliability are improved.
Preferably, in the embodiment of the present invention, the air duct 9 is provided in the wall of the drainage tube body 1 or on the outer side of the wall or on the inner side of the wall. The air duct 9 adopts a capillary tube with smaller inner diameter, and is arranged in the tube wall of the drainage tube main body 1 or on the outer side of the tube wall or on the inner side of the tube wall, so that the air duct 9 is prevented from being damaged and air leakage phenomenon occurs in the using process.
Preferably, in the embodiment of the present invention, a locking disc anti-slip structure is disposed on the outer tube wall of the drainage tube main body 1 at the side of the air bag 7 away from the drainage head tube 3, and a locking disc 11 is sleeved on the locking disc anti-slip structure. The lock disc anti-slip structure is arranged on one side, far away from the drainage head tube 3, of the air bag 7, the lock disc 11 is sleeved on the lock disc anti-slip structure, in the use process, the air bag 7 is arranged on the inner wall of a wound, the lock disc 11 is arranged on the skin side of the outer wall of the wound, the lock disc anti-slip structure enables the lock disc 11 to move only towards the air bag 7 but not towards the other side, the lock disc 11 abuts against the wound, and drainage liquid is prevented from leaking from the periphery of the drainage tube under the cooperation of the air bag 7.
Preferably, in the embodiment of the present invention, the front end of the drainage head tube 3 is provided with a guiding needle 13 for puncturing the skin. The guiding needle 13 is arranged to facilitate penetration of the drainage head tube 3 into the wound.
Preferably, the rear end of the guide needle 13 is inserted into the drainage head tube 3, the guide needle 13 and the drainage head tube 3 are in interference fit, and the fixation is firm and stable.
Working principle: the drainage head tube 3 is introduced into a part to be drained through the penetration of the guide needle 13 from the side of the operation incision, then the guide needle 13 can be cut off according to the need, and the drainage head tube 3 with the needed length is reserved; the air or liquid is added into the air inlet pipe 8 through the injector, and in the actual use process, 2.0ml of physiological saline is generally added, so that the liquid flowing into the body after the air bag 7 is damaged is prevented from damaging the human body; the lock disc 11 is sleeved on one side of the air bag 7 far away from the drainage head pipe 3 and pushed towards the air bag 7, so that the drainage tube air bag is tightened outwards to be clung to the inner wall, the lock disc 11 is tightly contacted with the skin, and the barb-shaped structure 12 can prevent the lock disc 11 from sliding towards the side far away from the air bag 7; and then the connector end 2 is connected with a drainage device to realize drainage. After the drainage is completed, the liquid or gas in the air bag 7 is extracted by the injector, and then the drainage head tube 3 is extracted.
In the invention, three support bars 4 are arranged in the drainage head tube 3 to support the drainage head tube 3, one longitudinal side edge of the three support bars 4 is integrally connected, the other longitudinal side edge is integrally connected with the drainage head tube 3, and the tube wall of the drainage head tube 3 and the support bars 4 are provided with drainage holes so that pus, blood and liquid can flow into the drainage tube from the inside, and can flow into the three chambers 5 of the drainage tube, thereby avoiding the blockage of the whole drainage tube caused by the compression or the blockage of one cavity when the drainage tube is in a human body; the air bag 7 is a device which can prevent the drainage head tube 3 from falling off from a wound, and is used for fixing, preventing the drainage tube body 1 from retracting and simultaneously enabling the air bag 7 to generate pressure on a skin drainage port to prevent liquid from exuding from the drainage port by utilizing the lock disc 11 and the barb-shaped structure 12 outside the drainage tube body 1 to interact with the air bag 7.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (5)
1. The utility model provides a drainage tube, its characterized in that includes drainage tube main part (1), the rear end of drainage tube main part (1) is joint end (2), the front end of drainage tube main part (1) is drainage head pipe (3), be equipped with three along support bar (4) that the length direction of drainage head pipe (3) extends in drainage head pipe (3), three behind support bar (4) one length direction's side each other integrated connection, another length direction's side with the inner wall integration of drainage head pipe (3) is connected, three support bar evenly sets up, will separate drainage head pipe (3) into intercommunication three cavity (5) at drainage head pipe (3) both ends, all be equipped with a plurality of water conservancy diversion holes (6) on the pipe wall of drainage head pipe (3) and on the support bar, be close to on the pipe wall of drainage head pipe (3) in the middle part of drainage tube main part (1) be equipped with gasbag (7), gasbag (7) are the inflation outwards after injecting gas or liquid, the rear end of drainage tube main part (1) is equipped with and is used for connecting air inlet tube (8) the air inlet tube (8), be equipped with air inlet tube (8) and water jacket (7) are equipped with on one side of drainage tube (1) through the water jacket (7) the intercommunication one side of drainage tube (1), the lock disc (11) is sleeved on the lock disc anti-slip structure, the lock disc anti-slip structure is a plurality of barb-shaped structures (12) which are arranged towards the air bag (7), and the front end of the drainage head tube (3) is provided with a guide needle (13) for puncturing skin.
2. A drainage tube according to claim 1, characterized in that an inlet valve (10) is provided in the inlet tube (8).
3. A drainage tube according to claim 1, wherein said airway tube (9) is provided in or on the outside of or on the inside of the tube wall of said drainage tube body (1).
4. A drainage tube according to any of claims 1 to 3, wherein the rear end of said guiding needle (13) is inserted in said drainage head tube (3), said guiding needle (13) being in an interference fit with said drainage head tube (3).
5. A drainage tube according to any of claims 1 to 3, wherein the angle between two adjacent support strips (4) is 120 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610993379.XA CN106492325B (en) | 2016-11-11 | 2016-11-11 | Drainage tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610993379.XA CN106492325B (en) | 2016-11-11 | 2016-11-11 | Drainage tube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106492325A CN106492325A (en) | 2017-03-15 |
| CN106492325B true CN106492325B (en) | 2023-12-08 |
Family
ID=58324091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610993379.XA Active CN106492325B (en) | 2016-11-11 | 2016-11-11 | Drainage tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106492325B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108421144A (en) * | 2018-04-11 | 2018-08-21 | 辛建 | A kind of multi-purpose type Y shape extrusion-resisting type drainage tube |
| CN112933309B (en) * | 2021-02-05 | 2022-03-11 | 青岛大学附属医院 | Drainage collection device |
| CN113082472A (en) * | 2021-05-08 | 2021-07-09 | 宁波市第一医院 | Drainage nephrostomy tube |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201283154Y (en) * | 2008-11-14 | 2009-08-05 | 中国人民解放军第三军医大学 | Closed intrathoracic drain |
| CN201978308U (en) * | 2011-01-20 | 2011-09-21 | 山东大正医疗器械股份有限公司 | Pressure-resistant and anti-blocking drainage tube |
| CN203749999U (en) * | 2014-03-26 | 2014-08-06 | 威海世创医疗科技有限公司 | Flushable pressure-resistant drainage pipe |
| CN205235137U (en) * | 2015-12-07 | 2016-05-18 | 无锡市人民医院 | Wash type ripple oral -lateral and inhale formula trident star drainage tube |
| CN206652073U (en) * | 2016-11-11 | 2017-11-21 | 南雨岐 | A kind of drainage tube |
-
2016
- 2016-11-11 CN CN201610993379.XA patent/CN106492325B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201283154Y (en) * | 2008-11-14 | 2009-08-05 | 中国人民解放军第三军医大学 | Closed intrathoracic drain |
| CN201978308U (en) * | 2011-01-20 | 2011-09-21 | 山东大正医疗器械股份有限公司 | Pressure-resistant and anti-blocking drainage tube |
| CN203749999U (en) * | 2014-03-26 | 2014-08-06 | 威海世创医疗科技有限公司 | Flushable pressure-resistant drainage pipe |
| CN205235137U (en) * | 2015-12-07 | 2016-05-18 | 无锡市人民医院 | Wash type ripple oral -lateral and inhale formula trident star drainage tube |
| CN206652073U (en) * | 2016-11-11 | 2017-11-21 | 南雨岐 | A kind of drainage tube |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106492325A (en) | 2017-03-15 |
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