CN109091745A - The operation intubation of the double sacculus of band - Google Patents
The operation intubation of the double sacculus of band Download PDFInfo
- Publication number
- CN109091745A CN109091745A CN201810619464.9A CN201810619464A CN109091745A CN 109091745 A CN109091745 A CN 109091745A CN 201810619464 A CN201810619464 A CN 201810619464A CN 109091745 A CN109091745 A CN 109091745A
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- China
- Prior art keywords
- sacculus
- intubation
- ontology
- double
- band according
- Prior art date
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Links
- 238000002627 tracheal intubation Methods 0.000 title claims abstract description 115
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 32
- 238000013022 venting Methods 0.000 claims abstract description 23
- 239000000463 material Substances 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
- 239000000741 silica gel Substances 0.000 claims description 2
- 229910002027 silica gel Inorganic materials 0.000 claims description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims 1
- 239000005977 Ethylene Substances 0.000 claims 1
- 229920001596 poly (chlorostyrenes) Polymers 0.000 claims 1
- 210000003462 vein Anatomy 0.000 abstract description 27
- 210000004369 blood Anatomy 0.000 description 9
- 239000008280 blood Substances 0.000 description 9
- 239000000853 adhesive Substances 0.000 description 6
- 230000001070 adhesive effect Effects 0.000 description 6
- 208000027418 Wounds and injury Diseases 0.000 description 4
- 208000014674 injury Diseases 0.000 description 4
- 239000011247 coating layer Substances 0.000 description 3
- 210000001367 artery Anatomy 0.000 description 2
- 239000002775 capsule Substances 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000000338 in vitro Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 210000002435 tendon Anatomy 0.000 description 2
- 230000008733 trauma Effects 0.000 description 2
- 208000037486 Postoperative Hemorrhage Diseases 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 210000000038 chest Anatomy 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000011534 incubation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000002324 minimally invasive surgery Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 210000001562 sternum Anatomy 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 210000001631 vena cava inferior Anatomy 0.000 description 1
- 210000002620 vena cava superior Anatomy 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 230000000007 visual effect 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
- A61M25/10—Balloon catheters
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biophysics (AREA)
- Pulmonology (AREA)
- Child & Adolescent Psychology (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
The invention discloses a kind of operation intubations of the double sacculus of band, it includes intubation ontology, two sacculus and reinforcing rib, the tube wall for being intubated ontology has venting channels, two sacculus are arranged at intervals at intubation ontology, and it is connected to venting channels, reinforcing rib is embedded in intubation ontology, and is located between two sacculus.Operation of the invention fixes intubation ontology in vein blood vessel by double sacculus with intubation, and the intubation ontology between double sacculus is embedded reinforcing rib, to increase the intensity of the intubation ontology between double sacculus, operation is allowed to be easy to be plugged in vein blood vessel with intubation.
Description
Technical field
The present invention relates to the technical field of medical intubation tube more particularly to a kind of operation intubations of the double sacculus of band.
Background technique
Extracorporal circulatory system must be established by carrying out openheart surgery at present, and the mode for establishing extracorporal circulatory system is breastbone of being rived using center,
Superior and inferior vena cava intubation establishes extracorporal circulatory system, and the operation wound of this mode is big, and in art and postoperative blood loss is more, and patient restores slow.
If extracorporal circulatory system, such as arteriovenous catheterization, neck venous incubation etc. are established using Micro trauma intubation operation, its main feature is that being not necessarily to
Open chest, can direct transdermal puncture complete, the operation wound of this mode is small, and blood loss is few, can establish extracorporal circulatory system in the most fast time.
But the surface of the intubation of current Micro trauma intubation operation is relatively smooth, it may occur however that pipeline collapses de- phenomenon；Or intubation
It is inadequate with the compactness or tubing intensity of arteriovenous inner wall, cause blood to flow out from the binding face of intubation and arteriovenous inner wall,
Influence surgical field of view.
Summary of the invention
The main purpose of the present invention is to provide a kind of operations of the double sacculus of band to be intubated, with solve the prior art there are because
Intubation surface it is relatively smooth and there is a phenomenon where pipeline collapses de-, or intubation and the compactness of arteriovenous inner wall or tubing intensity are not
It is enough, lead to problems such as blood flow out and influence surgical field of view.
In order to solve the above-mentioned technical problem, the present invention is implemented as follows:
Provide a kind of operation intubation of double sacculus of band comprising intubation ontology, two sacculus and reinforcing rib, this is inserted
The tube wall of tube body has venting channels, and two sacculus are arranged at intervals at the intubation ontology, and are connected to the venting channels,
The reinforcing rib is embedded in the intubation ontology, and is located between two sacculus.
In embodiments of the present invention, through the fixed intubation ontology of double sacculus in vein blood vessel, inserting between double sacculus
Tube body is embedded reinforcing rib, with increase between double sacculus intubation ontology intensity, allow operation be intubated be easy to be plugged in it is quiet
Arteries and veins is intravascular.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present application, constitutes a part of the invention, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the sectional view of the operation intubation of first embodiment of the invention.
Fig. 2 is the sectional view of the operation intubation of second embodiment of the invention.
Fig. 3 is the sectional view of the intubation ontology of second embodiment of the invention.
Fig. 4 is the sectional view of the operation intubation of third embodiment of the invention.
Fig. 5 is the sectional view of the operation intubation of four embodiment of the invention.
Fig. 6 is the sectional view of the operation intubation of fifth embodiment of the invention.
Fig. 7 is the enlarged drawing of the a-quadrant of Fig. 6.
Fig. 8 is the sectional view of the operation intubation of sixth embodiment of the invention.
Fig. 9 is the sectional view of the operation intubation of seventh embodiment of the invention.
Specific embodiment
Multiple embodiments of the application, as clearly stated, the details in many practices will be disclosed with schema below
It will be explained in the following description.It should be appreciated, however, that the details in these practices is not applied to limit the application.Also
It is to say, in some embodiments of the application, the details in these practices is non-essential.In addition, for the sake of simplifying schema,
Some known usual structures and component will be painted it in the drawings in simply illustrative mode.
About its " first " used herein, " second " etc., the meaning of order or cis-position is not especially censured, also non-use
The component described with limiting the application just for the sake of difference with same technique term or operation.
Referring to Fig. 1, it is the sectional view of the operation intubation 1 of first embodiment of the invention；As shown, this implementation
The operation of mode intubation 1 includes intubation 10, two sacculus 11 of ontology and reinforcing rib 12.The tube wall for being intubated ontology 10, which has, to be led to
Gas channel 101, two sacculus 11 are arranged at intervals on intubation ontology 10, and are connected to venting channels 101.Reinforcing rib 12 is embedded intubation
Ontology 10, and position is between two sacculus 11.In present embodiment, each sacculus 11 has venthole 111, and sacculus 11 leads to
One end of the corresponding venting channels 101 of stomata 111, is connected to each sacculus 11 with venting channels 101.Two of two sacculus 11
Venthole 111 on same venting channels 101, that is, two sacculus 11 two ventholes 111 be overlapped correspond to, in other words
Say that not there are no interval angles between two ventholes 111 of two sacculus 11.The operation of present embodiment is intubated 1
Snorkel 13, the setting of snorkel 13 connect the other end of venting channels 101 in intubation ontology 10.The material of above-mentioned sacculus 11
For polyvinyl chloride or silica gel.
When the operation of present embodiment 1 insertion vein blood vessel of intubation, snorkel 13 is exposed in vitro, then passes through ventilation
Pipe 13 pours into gas to venting channels 101, and gas enters two sacculus 11 by venting channels 101.As gas continues into
In two sacculus 11, two sacculus 11 expand and are full of air.Sacculus 11 after inflation is connected to the inner wall of vein blood vessel, sacculus
11 surface and the inner wall of vein blood vessel fit closely.When two sacculus 11 are connected to the inner wall of vein blood vessel, position is two
Vein blood vessel between a sacculus 11 forms cavity.The height H of sacculus 11 after expansion is greater than its width W, the height of sacculus 11
It is greater than 1 (H/W > 1) with the ratio of width, in other words, the height H of the sacculus 11 after expansion is at least the ball after one times of expansion
The width W of capsule 11, it is preferable that the ratio of the height and the width of sacculus 11 is greater than 2 (H/W > 2)；It is further preferred that sacculus 11
The ratio of height and the width (2 < H/W < 3) between 2 and 3, so the shape of the sacculus 11 after expansion is and flat disk, with
The surface of increase sacculus 11 is bonded intensity with the inner wall of vein blood vessel, prevents operation intubation 1 from collapsing de-.Present embodiment
In, the side of the sacculus 11 after inflation is arc surface, to allow the surface of sacculus 11 to be bonded completely with the inner wall of vein blood vessel, simultaneously
Reduce the injury to the inner wall of vein blood vessel.
The intubation ontology 10 of right present embodiment has multiple conduction holes 102, and multiple conduction holes 102 distinguish position in two balls
Except capsule 11, when the operation of present embodiment carries out venous drainage with intubation 1, the intubation ontology 10 of operation intubation 1 is inserted into
Multiple conduction holes 102 of vein blood vessel, intubation ontology 10 are located in vitro, and the blood of such vein blood vessel can be from multiple conduction holes
102 outflows, may not flow into operative region, avoid the visual field for influencing operative region, keep getting a clear view for operative region.
With intubation 1, only the intubation ontology 10 between two sacculus 11 is equipped with reinforcing rib 12 for the operation of present embodiment, adds
Strengthening tendons 12 reinforce the intensity of the intubation ontology 10 between two sacculus 11, and the intubation ontology 10 between two sacculus 11 is allowed to hold
Easily it is scheduled in the position of operation in insertion vein blood vessel.Reinforcing rib 12 is spring structure, can be the diameter springs such as uniform pitch
The isometrical spring structure of structure, varying pitch, uniform pitch Spring capable of diameter varying structure or variable-pitch and variable diameter spring structure.The section of spring structure
For round, rectangular, rectangle, quadrangle, polygon or obform body, material can be metal or plastics.The reinforcement of present embodiment
Muscle 12 uses the isometrical spring structure of uniform pitch, and section is circle.
Please refer to figs. 2 and 3, is the sectional view and intubation ontology of the operation intubation 1 of second embodiment of the invention
10 sectional view；As shown, present embodiment operation with intubation 1 it is different from the operation of above embodiment intubation
In, present embodiment operation intubation 1 the tool of intubation ontology 10 there are two venting channels 101, between two venting channels 101
With interval angles α.Two sacculus 11 are connected to corresponding venting channels 101 respectively, and two sacculus 11 are respectively provided with venthole
111, the venthole 111 of each sacculus 11 is connected to corresponding venting channels 101.Because having between two venting channels 101
Interval angles α, has interval angles α between two ventholes 111 of two sacculus 11, and two ventholes 111 are not overlapped correspondence.
Operation also increases to two snorkels 13 with the quantity of the snorkel 13 of intubation 1, and two snorkels 13 are respectively communicated with corresponding logical
Gas channel 101 can so be separately controlled to provide gas to corresponding venting channels 101 and sacculus 11 respectively and be filled with two sacculus
11 gas flow, that is, the degrees of expansion of two sacculus 11 can be identical or different, to adapt to different size of vein blood vessel
Inner wall.
Referring to Fig. 4, it is the schematic diagram of the operation intubation 1 of third embodiment of the invention；As shown, this implementation
The operation of mode is that the operation of present embodiment, which is used, is intubated 1 with the operation of intubation 1 and above embodiment with intubation difference
Reinforcing rib 12 is embedded intubation ontology 10, and is distributed on entire intubation ontology 10, so increases the intensity of intubation ontology 10, prevents
The length of intubation ontology 10 is too long and collapses, and then influences sacculus 11 and the intensity that is bonded between the tube wall of vein blood vessel, and blood can
It can be leaked from the binding face between sacculus 11 and vein blood vessel.The reinforcing rib 12 of present embodiment uses the diameter springs such as varying pitch simultaneously
Structure, the screw pitch of the reinforcing rib 12 of the setting position of corresponding multiple conduction holes 102 and the reinforcing rib 12 between two sacculus 11
Screw pitch it is different, each such conduction hole 102 is located in the screw pitch of reinforcing rib 11, is arranged with avoiding reinforcing rib 12, is avoided
Reinforcing rib 12 blocks conduction hole 102 and influences blood and flow out from conduction hole 102.In present embodiment, between two sacculus 11
Reinforcing rib 12 be integrally formed with the reinforcing rib 12 outside two sacculus 11, can also be provided separately certainly.
Referring to Fig. 5, it is the sectional view of the operation intubation 1 of four embodiment of the invention；As shown, this implementation
The intubation ontology 10 of mode includes tubing 103 and coating layer 104, and reinforcing rib 12 is embedded the tube wall surface in tubing 103, wherein managing
Wall surface refers to that the inner tube wall surface or outer tube wall surface of tubing 103, the reinforcing rib 12 of present embodiment are embedded in tubing 103
Inner tube wall surface.The tube wall surface of tubing 103 is arranged in coating layer 104, and covers reinforcing rib 12.If reinforcing rib 12 is provided only on
When tubing 103, the tube wall surface that tubing 103 is equipped with reinforcing rib 12 can generate convex-concave surface, so present embodiment is more in tubing
Coating layer 104 is arranged in 103 surfaces equipped with reinforcing rib 12, the tube wall surface for being intubated ontology 10 is presented smooth, while being promoted and being added
The bond strength of strengthening tendons 12 and tubing 103.
Fig. 6 and Fig. 7 is please referred to, is the operation sectional view of intubation 1 and the area A of Fig. 6 of fifth embodiment of the invention
The enlarged drawing in domain；As shown, the structure of the operation of present embodiment intubation 1 and the operation intubation of above embodiment
Structure difference is that the section of the reinforcing rib 12 of present embodiment is quadrangle, vertical with the intubation tube wall surface of ontology 10
The thickness D in section is less than the width W in the section parallel with the intubation tube wall surface of ontology 10, and the operation intubation of intubation 1 is thinned
The wall thickness of ontology 10 expands the internal diameter of intubation ontology 10, the operation stream of blood by operation with intubation 1 when using with intubation 1
Amount is significantly increased.The section of the reinforcing rib 12 of present embodiment is not necessarily intended to as quadrangle, can also be other shapes, as long as meeting
The thickness D in the section vertical with the tube wall surface of intubation ontology 10 is less than the section parallel with the intubation tube wall surface of ontology 10
Width W.
Referring to Fig. 8, it is the sectional view of the operation intubation 1 of sixth embodiment of the invention；As shown, this implementation
Developing mark 14 is set on the intubation ontology 10 or sacculus 11 of the operation of mode intubation 1, when using performing the operation with intubation 1, is made
User carries out the positioning of catheter position according to developing mark 14.Above-mentioned developing mark 14 can be developing ring or development item.
Referring to Fig. 9, it is the sectional view of the operation intubation 1 of seventh embodiment of the invention；As shown, this implementation
The operation intubation 1 of mode further includes the first connector 15 and the second connector 16, and one end of the first connector 15 has the first adhesive portion
151, one end of the second connector 16 has the second adhesive portion 161.First adhesive portion 151 and the first end 10a of intubation ontology 10 are viscous
It connects, the first connector 15 is made to be adhered to the first end 10a of intubation ontology 10；The second end of second adhesive portion 161 and intubation ontology 10
10b bonding, makes the second connector 16 be adhered to the second end 10b of intubation ontology 10.Above-mentioned first adhesive portion 151 or the second adhesive portion
161 modes for being adhered to intubation ontology 10 are bonded by glue.The other end of first connector 15 of present embodiment is plug,
With at least one slot or hole 152.
In conclusion according to the technical solution of the application, through the fixed intubation ontology of double sacculus in vein blood vessel, inflation
The height of sacculus afterwards is greater than its width, increases and is bonded intensity between sacculus and the inner wall of vein blood vessel, avoids operation from using and inserts
Pipe collapses de- out of vein blood vessel.The side of sacculus is arc surface, and sacculus can more be bonded with the inner wall of vein blood vessel, reduce simultaneously
Inner wall injury to vein blood vessel.Intubation ontology between double sacculus is embedded reinforcing rib, to increase inserting between double sacculus
The intensity of tube body allows operation to be easy to be plugged in vein blood vessel with intubation.In addition the intubation ontology outside double sacculus is more embedded
Reinforcing rib increases the intensity of entire intubation ontology, avoid the intubation ontology outside double sacculus from collapsing and influence sacculus with it is quiet
The fitting intensity of the inner wall of arteries and veins blood vessel avoids blood from leaking between sacculus and the inner wall of vein blood vessel.Inserting outside double sacculus
Tube body has multiple conduction holes, also illustrates that blood from multiple conduction holes outflow outside double sacculus, in minimally invasive surgery blood vessel
Double sacculus when being fixed in vein blood vessel, blood may not flow into the operative region between double sacculus, keep the view of operative region
It is wild clear.
It above are only presently filed embodiment, be not intended to limit this application.Those skilled in the art are come
It says, various changes and changes are possible in this application.All any modifications made in spirit herein and principle are equally replaced
It changes, improve, should all be included within the scope of the claims of the present application.
Claims (10)
1. a kind of operation intubation of the double sacculus of band, which is characterized in that including intubation ontology, two sacculus and reinforcing rib, institute
The tube wall for stating intubation ontology has venting channels, and two sacculus are arranged at intervals at the intubation ontology, and is connected to described logical
Gas channel, the reinforcing rib are embedded in the intubation ontology, and are located between two sacculus.
2. the operation of the double sacculus of band according to claim 1 is intubated, which is characterized in that the quantity of the venting channels is
Two, two venting channels are respectively communicated with the corresponding sacculus, have interval angles between two venting channels.
3. the operation intubation of the double sacculus of band according to claim 2, which is characterized in that the intubation ontology has multiple
Venthole, multiple ventholes respectively correspond two venting channels, and two sacculus are respectively overlay in corresponding institute
Venthole is stated, each described sacculus is passed through gas by the venting channels and the venthole and expands.
4. the operation intubation of the double sacculus of band according to claim 1, which is characterized in that the material of the sacculus is polychlorostyrene
Ethylene or silica gel.
5. the operation intubation of the double sacculus of band according to claim 1, which is characterized in that it further include multiple conduction holes, it is more
A conduction hole is disposed through the intubation ontology, and is located at outside two sacculus.
6. the operation intubation of the double sacculus of band according to claim 1, which is characterized in that it further include multiple conduction holes, it is more
A conduction hole is disposed through the intubation ontology, and is located between two sacculus.
7. the operation intubation of the double sacculus of band according to claim 1, which is characterized in that the height of the sacculus after expansion
The ratio of degree and width is greater than 1.
8. the operation intubation of the double sacculus of band according to claim 7, which is characterized in that the height of the sacculus after expansion
The ratio of degree and width is greater than 2.
9. the operation intubation of the double sacculus of band according to claim 1, which is characterized in that the reinforcing rib is spring knot
Structure, the spring structure are the isometrical spring structure of uniform pitch, the isometrical spring structure of varying pitch, uniform pitch Spring capable of diameter varying structure or change
Screw pitch Spring capable of diameter varying structure.
10. the operation intubation of the double sacculus of band according to claim 9, which is characterized in that the table with the intubation ontology
The thickness in the section of the vertical spring structure in face is less than the spring structure parallel with the intubation surface of ontology
The width in section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810619464.9A CN109091745B (en) | 2018-06-13 | 2018-06-13 | Operation cannula with double saccules |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810619464.9A CN109091745B (en) | 2018-06-13 | 2018-06-13 | Operation cannula with double saccules |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109091745A true CN109091745A (en) | 2018-12-28 |
| CN109091745B CN109091745B (en) | 2021-07-16 |
Family
ID=64796866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810619464.9A Active CN109091745B (en) | 2018-06-13 | 2018-06-13 | Operation cannula with double saccules |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109091745B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111658954A (en) * | 2020-06-29 | 2020-09-15 | 东莞科威医疗器械有限公司 | Medical intubation tube for enhancing drainage effect |
| CN111658956A (en) * | 2020-06-29 | 2020-09-15 | 东莞科威医疗器械有限公司 | Improved arteriovenous cannula |
| CN111658955A (en) * | 2020-06-29 | 2020-09-15 | 东莞科威医疗器械有限公司 | Improved medical cannula |
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| CN203829456U (en) * | 2014-04-17 | 2014-09-17 | 常州市龙莱富医用材料有限公司 | Cored femoral vein and artery cannula |
| CN106994204A (en) * | 2017-03-28 | 2017-08-01 | 杭州唯强医疗科技有限公司 | Double sacculus medicine-coated balloon dilating catheters |
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| CN1311041A (en) * | 2000-02-28 | 2001-09-05 | 鲍平 | Double saccule rack device for non-exchanging subcutaneous puncture coronary artery expansion forming operation |
| CN1646185A (en) * | 2002-04-08 | 2005-07-27 | 阿克罗斯塔克公司 | PTCA and/or PTA balloon |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111658954A (en) * | 2020-06-29 | 2020-09-15 | 东莞科威医疗器械有限公司 | Medical intubation tube for enhancing drainage effect |
| CN111658956A (en) * | 2020-06-29 | 2020-09-15 | 东莞科威医疗器械有限公司 | Improved arteriovenous cannula |
| CN111658955A (en) * | 2020-06-29 | 2020-09-15 | 东莞科威医疗器械有限公司 | Improved medical cannula |
| CN111658954B (en) * | 2020-06-29 | 2022-09-23 | 东莞科威医疗器械有限公司 | Medical intubation tube for enhancing drainage effect |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109091745B (en) | 2021-07-16 |
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Effective date of registration: 20240815 Address after: 100037, Fu Cheng Road, Beijing, Haidian District, No. 6 Patentee after: THE SIXTH MEDICAL CENTER OF PLA GENERAL Hospital Country or region after: China Address before: No.5, Tongqing Road, Dongcheng District, Dongguan City, Guangdong Province 523129 Patentee before: DONGGUAN KEWEI MEDICAL INSTRUMENT Co.,Ltd. Country or region before: China Patentee before: Li Shuanglei |