CN107865997A - Drainage system and guider - Google Patents
Drainage system and guider Download PDFInfo
- Publication number
- CN107865997A CN107865997A CN201711108378.3A CN201711108378A CN107865997A CN 107865997 A CN107865997 A CN 107865997A CN 201711108378 A CN201711108378 A CN 201711108378A CN 107865997 A CN107865997 A CN 107865997A
- Authority
- CN
- China
- Prior art keywords
- drainage
- catheter
- conduit portion
- cavity
- drainage system
- 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.)
- Pending
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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
- A61M25/10—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
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/09—Guide wires
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2210/00—Anatomical parts of the body
- A61M2210/10—Trunk
- A61M2210/1021—Abdominal cavity
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Pulmonology (AREA)
- Biophysics (AREA)
- Hematology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Child & Adolescent Psychology (AREA)
- External Artificial Organs (AREA)
Abstract
The present invention relates to a kind of drainage system, including the first conduit portion and the second conduit portion, the first conduit portion includes drainage catheter and inflating catheter, and the second conduit portion includes drainage portion and injection section；Wherein, the drainage catheter of the first conduit portion is connected with the drainage portion of the second conduit portion, and the inflating catheter of the first conduit portion is connected with the injection section of the second conduit portion；Built-in catheter also includes air bag, and air bag is inflated by the injection section of built-in catheter.The specific embodiment of the invention provides a kind of drainage system and guider.Drainage system includes air bag and the inflating catheter to airbag aeration.Inflated by the way that drainage system is inserted after human body in air bag, so that drainage system is fixed on human body.It is that drainage system is oriented to when inserting human body by guider, so as to which drainage system to be inserted to the preferable drainage location of human body, reaches more preferable drainage effect.
Description
Technical field
The present invention relates to technical field of medical instruments, more particularly to a kind of drainage system and guider.
Background technology
Splanchnocoel closed drainage is that surgery, Internal Medicine-Oncology and severe medical science section apply more extensive technology, is treatment chest
The effective way of seroperitoneum.Pleural effusions and ascites common disease factor is inflammation, malignant tumour etc., because the etiological treatment course for the treatment of is grown, product
Liquid production is fast, when producing the hydrops of more than moderate, often needs multiple drawing liquid.It is pernicious swollen as tumor incidence raises year by year
It is also significantly raised that knurl merges splanchnocoel product malignant hydrothorax incidence.In the therapeutic process of malignant pleural effusion, it is often necessary to long
Phase indwelling drainage tube.On the one hand drainage Pleural effusions, it on the other hand can pass through drainage tube and inject chemotherapy or targeting medicine to splanchnocoel
Thing, so as to be treated.
But traditional thoracic cavity drawing liquid is by expanding the punching of skin device and then being drained.By expanding the operation of skin device and putting pipe ratio
More difficult, big with expanding skin device patient skin being damaged, the shortcomings of liquid easily exosmoses after tube drawing, is present.
Clinically there is also being drained CVC by way of.But the fixing device of its conduit is similar to
Butterfly butterfly structure.By fixing conduit from both sides by fixed structure and skin closure.Conduit after skin closure is fixed not
Reliably, some internal conduit portion is ostracised to external after a few days, and the rejection that this may be intrinsic with human body is relevant,
The sense of discomfort of patient and the suture infection of skin are also increased simultaneously.
The content of the invention
In order to solve problem of the prior art, the application specific embodiment provides a kind of drainage system and is oriented to and fills the present invention
Put, fixed by painless the realizing in conduit of the drainage system, the drainage system is moved by the guider.
To achieve the above object, on the one hand, the specific embodiment of the invention provides a kind of drainage system, including the first conduit
Part and the second conduit portion, first conduit portion include drainage catheter and inflating catheter, the second conduit part subpackage
Include drainage portion and injection section；Wherein, the drainage catheter of the first conduit portion is connected with the drainage portion of the second conduit portion,
The inflating catheter of first conduit portion is connected with the injection section of the second conduit portion；
The built-in catheter also includes air bag, and the air bag is inflated by the injection section of built-in catheter.
In a possible design, the drainage portion and injection section are coaxially disposed, and the injection section wraps up institute
State drainage portion.
In a possible design, the end of the inflating catheter also includes the first connector, first connector
Including threaded connection port and socket connection port.
In a possible design, the end of the inflating catheter also includes the second connector, second connector
For the connector with check function.
In a possible design, the connector with check function include the first connecting cavity, the second connecting cavity,
Check cavity and adjusting rod；
First connecting cavity is used to be connected with aerating device, and second connecting cavity is used to be connected with inflating catheter；
The check cavity is pyramidal structure, the vertex of a cone of the pyramidal structure close to the first connecting cavity, the pyramidal structure
Bottom is bored close to the second connecting cavity；
The adjusting rod is arranged in the cavity between the first connecting cavity, the second connecting cavity and check cavity, the adjusting rod
Including spring opposite side including divisional plane, between the side at the side of the divisional plane and check cavity cone bottom includes sealing ring.
Second aspect, the application specific embodiment provide a kind of guider, including fixing device and seal wire, the seal wire
Being set through the fixing device, the seal wire includes the first elbow and the second elbow respectively through the both ends of fixing device, when
When the seal wire is linear state, the square difference 180 degree of bending of the first elbow and the second elbow of the seal wire.
In a possible design, the seal wire is spring.
The specific embodiment of the invention provides a kind of drainage system and guider.The drainage system include air bag and
To the inflating catheter of the airbag aeration.Inflated by the way that the drainage system is inserted after human body in air bag, so that described
Drainage system is fixed on human body.It is that the drainage system is oriented to when inserting human body by the guider, so as to draw described
Stream device inserts the preferable drainage location of human body, reaches more preferable drainage effect.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding of the present application, forms the part of the application, this Shen
Schematic description and description please is used to explain the application, does not form the improper restriction to the application.In the accompanying drawings：
Fig. 1 is that a kind of drainage catheter provided has been embodied in the application；
Fig. 2 is that one kind the second conduit portion part section sectional drawing provided has been embodied in the application；
Fig. 3 is that a kind of interface provided has been embodied in the application；
Fig. 4 additionally provides a kind of interface with check function；
Fig. 5 is a kind of guider that the application specific embodiment provides.
Embodiment
To make the purpose, technical scheme and advantage of the application clearer, below in conjunction with the application specific embodiment and
Technical scheme is clearly and completely described corresponding accompanying drawing.Obviously, described embodiment is only the application one
Section Example, rather than whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not doing
Go out under the premise of creative work the every other embodiment obtained, belong to the scope of the application protection.
Below in conjunction with accompanying drawing, the technical scheme that each embodiment of the application provides is described in detail.
The application specific embodiment provides a kind of drainage system, by setting inflatable bladders on conduit, so that institute
Conduit air bag before human body is inserted is stated to be in without gaseity, and to airbag aeration after conduit inserts human body, and then pass through
Conduit is fixed on the purpose of human body by air bag in short-term.
Fig. 1 is that a kind of drainage system provided has been embodied in the application.As shown in figure 1, the drainage system includes the
One conduit portion 101, the second conduit portion 102 and junction portion 103.Wherein, the second conduit portion 102 includes draining hole 104,
Draining hole 104 is drained for inserting human body.First conduit portion 101 includes being used to receive the second conduit portion 102
The liquid that drains of draining hole 104.The junction portion 103 is used for the second conduit portion 102 and the first conduit portion 101
Connection.
In the specific implementation of the application, first conduit portion 101 also includes drainage catheter 105 and inflating catheter
106, second conduit portion 102 includes drainage portion 107 and injection section 108.Wherein, first conduit portion 101
Drainage catheter 105 be connected with the drainage portion 107 of the second conduit portion 102, the inflation of first conduit portion 101 is led
Pipe 106 is connected with the injection section 108 of the second conduit portion 102.
Second conduit portion 102 also includes air bag 109, and the air bag 109 is arranged on the table of the second conduit portion 102
Face.In one example, the air bag 109 can be soft rubber material.
The injection section 108 of second conduit portion 102 includes the interface 110 with the air bag 109, when the air bag
109 by the injection section 108 of the second conduit portion 102 when being inflated, and the air bag 109 is circular or ellipse.When the gas
When gas in capsule 109 is let go, the air bag 109 narrows down to and the surface of the second conduit portion 102.Certainly, it is above-mentioned to air bag
Illustrate a kind of concrete example of simply the application, and cannot be used for the restriction to the application airbag structure, the application specific implementation
The inflated configuration of air bag 109 is not construed as limiting.
When using the drainage system, when the gas in air bag 109 is let go, the second conduit portion 102 is placed into
Predetermined drainage location in human body splanchnocoel.After position adjustment of second conduit portion 102 in human body splanchnocoel is good,
Inflated by the inflating catheter 105 of the first conduit portion 101 into air bag 109.The volume of air bag 109 after inflation becomes big, so as to
The second conduit portion 102 is set to be fixed in human body.When the inflating catheter 106 of first conduit portion 101 is inflated, the gas
Capsule 109 is inflated so as to reach second conduit portion 102 and the relatively-stationary purpose of human body.
In a specific embodiment, the injection section 107 and drainage portion 108 of second conduit portion 102 are same
Axle is set.If Fig. 2 is that the part section sectional drawing of the second conduit portion of one kind 102 provided has been embodied in the application.Such as Fig. 2 institutes
Show, including drainage portion 107, injection section 108 and air bag 109.Wherein, drainage portion 107 and injection section 108 are coaxially set
Put, shown drainage portion 107 is wrapped in the inner side of injection section 108.The injection section 108 also includes opening 110, described to open
What second conduit portion 102 in the outside of mouth 110 was also wrapped up is provided with air bag 109.
The drainage portion 107 and injection section 108 for the second conduit portion 102 for needing to illustrate are coaxially disposed only a kind of reason
Think state.Because drainage portion 107 and injection section 108 are respectively that flexible pipe is formed, as long as therefore the drainage portion 107 filled
Gas part 108 is being coaxially disposed described in the application specific embodiment.
In the specific implementation of the application, on the drainage catheter 105 and inflating catheter 106 interface is respectively further comprised
111.The interface 111 of described one end of drainage catheter 105 receives the liquid drained, the interface 111 of described one end of inflating catheter 106
For being inflated to air bag 109.
In one example, Fig. 3 is that a kind of interface provided has been embodied in the application.As shown in figure 3, the interface can be with
It is the port connection for being connected with the port of drainage catheter 105 or being connected with inflating catheter 106.
The interface can include interface body 201, and one end of the interface body 201 includes first interface 202.It is described
First interface 202 is used to be connected with drainage catheter 105 or inflating catheter 106.The other end of interface body 201 can also include the
Two interfaces 203 and/or the 3rd interface 204.The second interface 203 can be the interface of the inner side of interface body 201, by that will fill
Device of air or drainage bag are connected with the second interface 203, so as to complete to inflate or drain.3rd interface 204 can be connect
The external screw joint in the outside of mouth body 201, will be connected aerating device or drainage bag by the 3rd interface 204, so as to complete to fill
Gas or drainage.
In the example described in above-mentioned Fig. 3, when the interface is the interface of inflating catheter 106, because no non-return fills
Put, generally also need to set the device for making the inflating catheter closing on the inflating catheter.
In order that the outward appearance of the drainage system is more succinct, in the specific implementation of the application, Fig. 4 additionally provides one
Interface of the kind with check function.As shown in figure 4, including the first connecting cavity 401, the second connecting cavity 402, check cavity 403 and adjust
Pole 404.Wherein, first connecting cavity 401 is used to be connected with aerating device, and second connecting cavity 402 is used for and inflation
Conduit 106 connects.
The check cavity 403 is pyramidal structure, and the vertex of a cone of the pyramidal structure is close to the first connecting cavity 401, the taper
The cone bottom of structure is close to the second connecting cavity 402.
The adjusting rod 404 is arranged on the cavity between the first connecting cavity 401, the second connecting cavity 402 and check cavity 403
In.The adjusting rod 404 includes divisional plane 405, and the side of the divisional plane 405 and check cavity 403 are wrapped between boring the side at bottom
Include spring 406.The side of the divisional plane 405 is to including sealing ring 407 between the side of the vertex of a cone of check cavity 403.Due to spring
406th, the effect of taper check cavity 403 and sealing ring 407, so that the gas being charged in air bag 109 will not be revealed.
The adjusting rod 404 also includes actively regulation first 408 close to one end of the first connecting cavity 401, when needing to air bag
During 109 inflation, after aerating device is inserted into the first connecting cavity 401, the sealing ring 407 being arranged on adjusting rod 404 will be to cone bottom
It is mobile, so as to be inflated to air bag 109.After the completion of being inflated to air bag 109, the aerating device is taken from the first connecting cavity 401
Go out, due to the effect of spring force, sealing ring 407 and taper check cavity 403 are by the air seal in the air bag 109.So as to protect
Demonstrate,prove the air-tightness of air bag 109.
In the specific implementation of the application, when the drainage system is inserted into human body splanchnocoel, due to described
Drainage system is flexible pipe, more difficult so as to cause the drainage system being moved to preferable drainage location.Therefore, in the application
Specific implementation in, additionally provide a kind of guider.
Fig. 5 is a kind of guider that the application specific embodiment provides, as shown in figure 5, including fixing device 501 and leading
Silk 502.The both ends of the seal wire 502 include the first elbow 503 and the second elbow 504 respectively, and the seal wire 502 is linear state
When, first elbow 503 at the seal wire both ends and the second elbow 504 differ 180 degree.Double bend can significantly identify intraperitoneal
The method on drainage tube top, so as to which drainage system is guided to assigned direction.
And seal wire 502 of the prior art is single elbow structure, operating personnel can not when moving conduit by seal wire
The bending method of catheter tip is determined, so as to cause drainage tube ineffective.
And the application is by the drainage tube of the drainage system by the seal wire 502 when being moved to preferable drainage location,
Due to the crotch of seal wire both ends difference 180 degree, so as to the method that also can determine that intraperitoneal catheter tip, reach more effective
The purpose of drainage.
In the specific implementation of the application, the seal wire can stretch out according to needs during use from fixing device.
In a possible design, the seal wire 502 is bending spring.When the seal wire 502 stretches out from fixing device 501
When, second elbow 504 of described one end being extended linearly, the second of one end is extended when described in fixing device 501
Elbow 504 reverts to original case of bending when departing from the fixing device 501.
In embodiments herein, when the drainage system inserts human body, by the seal wire 502 along drainage catheter
105 stretch out from drainage portion 107, the first elbow 503 of the seal wire 502 is stretched out the drainage portion 107.Pass through mobile institute
Seal wire 502 is stated, drainage portion 107 is moved to preferable position.By the second elbow for adjusting the other end of seal wire 502 outside human body
504 elbow direction, so as to adjust the bending direction on the top of drainage portion 107 for inserting human body.So as to reach best drainage
Effect.
It should be noted that term " comprising ", "comprising" or its any other variant are intended to the bag of nonexcludability
Contain, so that process, method, commodity or equipment including a series of elements not only include those key elements, but also including
The other element being not expressly set out, or also include for this process, method, commodity or the intrinsic key element of equipment.
In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that including the key element
Other identical element in process, method, commodity or equipment also be present.
Above-described embodiment, the purpose of the present invention, technical scheme and beneficial effect are carried out further
Describe in detail, should be understood that the embodiment that the foregoing is only the present invention, be not intended to limit the present invention
Protection domain, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc., all should include
Within protection scope of the present invention.
Claims (7)
- A kind of 1. drainage system, it is characterised in that including the first conduit portion and the second conduit portion, first conduit portion Including drainage catheter and inflating catheter, second conduit portion includes drainage portion and injection section；Wherein, the first conduit part The drainage catheter divided is connected with the drainage portion of the second conduit portion, the inflating catheter of the first conduit portion and the second conduit portion Injection section connection；The built-in catheter also includes air bag, and the air bag is inflated by the injection section of built-in catheter.
- 2. drainage system according to claim 1, it is characterised in that the drainage portion and injection section are coaxially disposed, The injection section wraps up the drainage portion.
- 3. drainage system according to claim 1, it is characterised in that the end of the inflating catheter also includes the first connection Part, first connector include threaded connection port and socket connection port.
- 4. drainage system according to claim 1, it is characterised in that the end of the inflating catheter also includes the second connection Part, second connector are the connector with check function.
- 5. drainage system according to claim 4, it is characterised in that the connector with check function includes first Connecting cavity, the second connecting cavity, check cavity and adjusting rod；First connecting cavity is used to be connected with aerating device, and second connecting cavity is used to be connected with inflating catheter；The check cavity is pyramidal structure, and the vertex of a cone of the pyramidal structure is close to the first connecting cavity, the cone bottom of the pyramidal structure Close to the second connecting cavity；The adjusting rod is arranged in the cavity between the first connecting cavity, the second connecting cavity and check cavity, and the adjusting rod includes Including spring opposite side between the side at divisional plane, the side of the divisional plane and check cavity cone bottom includes sealing ring.
- 6. a kind of guider, it is characterised in that including fixing device and seal wire, the seal wire is set through the fixing device Put, the seal wire includes the first elbow and the second elbow respectively through the both ends of fixing device, when the seal wire is linear state When, the square difference 180 degree of bending of the first elbow and the second elbow of the seal wire.
- 7. guider according to claim 6, it is characterised in that the seal wire is spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711108378.3A CN107865997A (en) | 2017-11-09 | 2017-11-09 | Drainage system and guider |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711108378.3A CN107865997A (en) | 2017-11-09 | 2017-11-09 | Drainage system and guider |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107865997A true CN107865997A (en) | 2018-04-03 |
Family
ID=61752660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711108378.3A Pending CN107865997A (en) | 2017-11-09 | 2017-11-09 | Drainage system and guider |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107865997A (en) |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0268068A2 (en) * | 1986-10-23 | 1988-05-25 | Kontron-Holding Ag | Angioplasty catheter |
| CN2373113Y (en) * | 1999-05-10 | 2000-04-12 | 张宇峰 | Multifunction intrathoracic drainage tube |
| CN2655931Y (en) * | 2003-07-07 | 2004-11-17 | 吕军吉 | Medical multifunctional drainage tube |
| US20040243199A1 (en) * | 2001-09-18 | 2004-12-02 | Celsion Corporation | Device and method for treatment of tissue adjacent a bodily conduit by thermocompression |
| CN2683161Y (en) * | 2004-02-26 | 2005-03-09 | 朱向国 | Disposable double-face fixing close thorax drainage tube |
| CN101804236A (en) * | 2010-02-24 | 2010-08-18 | 中山大学附属第一医院 | Hystero-salpingography and recanalization surgical instrument and use method thereof |
| CN201759975U (en) * | 2010-08-23 | 2011-03-16 | 刘庆祚 | Balloon drainage tube |
| CN201996963U (en) * | 2011-01-30 | 2011-10-05 | 上海淞行实业有限公司 | Bidirectional positioning thoracic cavity drainage tube |
| CN202219026U (en) * | 2011-10-06 | 2012-05-16 | 孟子敏 | Internal-fixation chest drainage tube |
| CN103071229A (en) * | 2013-01-14 | 2013-05-01 | 安徽奥弗医疗设备科技有限公司 | Inflatable drainage tube fixing device |
| CN203075437U (en) * | 2013-01-25 | 2013-07-24 | 阳泉煤业（集团）有限责任公司 | Double-cavity balloon tube |
| CN203154553U (en) * | 2012-12-14 | 2013-08-28 | 上海微创医疗器械（集团）有限公司 | Guide wire for transradial artery interventional imaging |
| CN205054571U (en) * | 2015-10-08 | 2016-03-02 | 许褚 | Novel tear way drainage tube |
| CN205073491U (en) * | 2015-11-06 | 2016-03-09 | 无锡市中医医院 | Anti -drop postoperative drainage tube |
-
2017
- 2017-11-09 CN CN201711108378.3A patent/CN107865997A/en active Pending
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0268068A2 (en) * | 1986-10-23 | 1988-05-25 | Kontron-Holding Ag | Angioplasty catheter |
| CN2373113Y (en) * | 1999-05-10 | 2000-04-12 | 张宇峰 | Multifunction intrathoracic drainage tube |
| US20040243199A1 (en) * | 2001-09-18 | 2004-12-02 | Celsion Corporation | Device and method for treatment of tissue adjacent a bodily conduit by thermocompression |
| CN2655931Y (en) * | 2003-07-07 | 2004-11-17 | 吕军吉 | Medical multifunctional drainage tube |
| CN2683161Y (en) * | 2004-02-26 | 2005-03-09 | 朱向国 | Disposable double-face fixing close thorax drainage tube |
| CN101804236A (en) * | 2010-02-24 | 2010-08-18 | 中山大学附属第一医院 | Hystero-salpingography and recanalization surgical instrument and use method thereof |
| CN201759975U (en) * | 2010-08-23 | 2011-03-16 | 刘庆祚 | Balloon drainage tube |
| CN201996963U (en) * | 2011-01-30 | 2011-10-05 | 上海淞行实业有限公司 | Bidirectional positioning thoracic cavity drainage tube |
| CN202219026U (en) * | 2011-10-06 | 2012-05-16 | 孟子敏 | Internal-fixation chest drainage tube |
| CN203154553U (en) * | 2012-12-14 | 2013-08-28 | 上海微创医疗器械（集团）有限公司 | Guide wire for transradial artery interventional imaging |
| CN103071229A (en) * | 2013-01-14 | 2013-05-01 | 安徽奥弗医疗设备科技有限公司 | Inflatable drainage tube fixing device |
| CN203075437U (en) * | 2013-01-25 | 2013-07-24 | 阳泉煤业（集团）有限责任公司 | Double-cavity balloon tube |
| CN205054571U (en) * | 2015-10-08 | 2016-03-02 | 许褚 | Novel tear way drainage tube |
| CN205073491U (en) * | 2015-11-06 | 2016-03-09 | 无锡市中医医院 | Anti -drop postoperative drainage tube |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180403 |
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| RJ01 | Rejection of invention patent application after publication |