CN107198812A - A kind of medical catheter with barrier film - Google Patents
A kind of medical catheter with barrier film Download PDFInfo
- Publication number
- CN107198812A CN107198812A CN201710567412.7A CN201710567412A CN107198812A CN 107198812 A CN107198812 A CN 107198812A CN 201710567412 A CN201710567412 A CN 201710567412A CN 107198812 A CN107198812 A CN 107198812A
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- CN
- China
- Prior art keywords
- barrier film
- medical catheter
- cross
- medium
- section
- 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
Links
- 230000004888 barrier function Effects 0.000 title claims abstract description 91
- 239000013536 elastomeric material Substances 0.000 claims abstract description 3
- 239000000463 material Substances 0.000 claims description 9
- 239000012943 hotmelt Substances 0.000 claims description 4
- 238000001746 injection moulding Methods 0.000 claims description 4
- 238000002844 melting Methods 0.000 claims description 4
- 238000002583 angiography Methods 0.000 claims description 3
- 230000017531 blood circulation Effects 0.000 claims description 3
- 230000000241 respiratory effect Effects 0.000 claims description 3
- 239000005060 rubber Substances 0.000 claims description 3
- 239000004743 Polypropylene Substances 0.000 claims 1
- 239000003292 glue Substances 0.000 claims 1
- 239000005020 polyethylene terephthalate Substances 0.000 claims 1
- 239000004814 polyurethane Substances 0.000 claims 1
- 239000004800 polyvinyl chloride Substances 0.000 claims 1
- 229910052710 silicon Inorganic materials 0.000 claims 1
- 239000010703 silicon Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 description 8
- 210000002784 stomach Anatomy 0.000 description 6
- 238000005452 bending Methods 0.000 description 4
- 230000003993 interaction Effects 0.000 description 4
- 210000004051 gastric juice Anatomy 0.000 description 3
- 210000004072 lung Anatomy 0.000 description 3
- 235000015097 nutrients Nutrition 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 230000002496 gastric effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 208000036828 Device occlusion Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000002939 deleterious effect Effects 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 230000016507 interphase Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000029052 metamorphosis Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000037081 physical activity Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000002601 radiography Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000000126 substance Substances 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
- A61M25/0043—Catheters; Hollow probes characterised by structural features
-
- 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
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/02—General characteristics of the apparatus characterised by a particular materials
- A61M2205/0216—Materials providing elastic properties, e.g. for facilitating deformation and avoid breaking
-
- 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
- A61M2210/1025—Respiratory system
-
- 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
- A61M2210/1042—Alimentary tract
- A61M2210/1053—Stomach
-
- 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
- A61M2210/1078—Urinary tract
- A61M2210/1085—Bladder
-
- 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
- A61M2210/12—Blood circulatory system
Abstract
The invention provides a kind of medical catheter with barrier film, include the body of cylinder, the barrier film being made up of elastomeric material is provided with the inwall of the body, the inner chamber of the body is divided into main tube cavity and auxiliary tube chamber by the barrier film, the cross-section lengths of barrier film described in the cross section of the body are more than the chord length of the body cross section corresponding to the barrier film two ends, and arc length of the length less than the body cross section corresponding to the barrier film two ends of the barrier film cross section.A kind of medical catheter stability in use with barrier film that the present invention is provided is high.
Description
Technical field
The invention belongs to medical instruments field, it is related to a kind of medical catheter with barrier film.
Background technology
Intervention class medical catheter is typically applied to radiography in decompression, defeated nutrient solution or patient's body in vivo.
A kind of Double-chamber gastrointestinal is disclosed just like notification number for CN201361361Y utility model patent in the market to draw
Flow tube, it is due to double by using two pipelines side by side it is achieved thereby that can be while the effect for inputting and exporting
The cross-sectional area of the conduit tool of chamber is all fixed, so when the medium of conduction is more or medium particle is larger,
It is easy for so that situations such as conduit is blocked, the stability used is low.
The content of the invention
An object of the present invention is to provide a kind of medical catheter with barrier film, it is intended to solves medical catheter and was using
Catheter blockage easily occurs in journey and the problem of stability in use is low should be sent out.
In order to solve the above technical problems, the invention provides a kind of medical catheter with barrier film, include the body of cylinder,
The barrier film being made up of elastomeric material is provided with the inwall of the body, the inner chamber of the body is divided into main tube cavity by the barrier film
And auxiliary tube chamber, the cross-section lengths of barrier film described in the cross section of the body are more than described corresponding to the barrier film two ends
The chord length of body cross section, and the length of the barrier film cross section is transversal less than the body corresponding to the barrier film two ends
The arc length in face.
The present invention is further arranged to, and the body is applied to catheter, respiratory siphon, blood circulation pipe and angiography tube.
The present invention is further arranged to, and the thickness of the barrier film is less than the thickness of the body.
The present invention is further arranged to, and the end of the body offers the flow-guiding mouth that the body is passed in and out for medium,
The barrier film leaves the gap passed through for medium between the end of the flow-guiding mouth and the end of the body.
The present invention is further arranged to, and the end of the body offers the flow-guiding mouth that the body is passed in and out for medium,
The end of the main tube cavity is provided with the extension tube connected with the main tube cavity, the flow-guiding mouth be located at the auxiliary tube chamber and
In the extension tube.
The present invention is further arranged to, and the material of the barrier film is one kind in silica gel, rubber, PU, PET, PP or PVC.
The present invention is further arranged to, and the barrier film is provided with several.
The present invention is further arranged to, and the body and the barrier film are prepared into using hot-melt extruded or hot-melting and injection-molding
Arrive.
Compared with prior art, the invention provides a kind of medical catheter with barrier film, body is positioned over it in human body
Afterwards, body is when bending, and because barrier film is elastic, the bending for so allowing for body is normally carried out,
Just preferably body can be deformed upon by the elastic deformation property of barrier film, and reduce phase interaction between body and human body
Size firmly, comfort level is higher in use by patient, while the influence for producing the body of patient is just smaller, is easy to suffer from
Person's rehabilitation, simultaneously because the outer wall of body is a cylindrical structure, so also can preferably agree with tissue, right
The ill effect that human body is produced is also smaller；Moreover, because the length of barrier film is between the body corresponding to barrier film two ends
Between chord length and arc length, so when body is bent, barrier film can by the stiff metamorphosis of itself,
And length change caused by the bending of body is made up, and further reduce the resistance produced by barrier film is bent to body
Power size, usage comfort is further improved；Simultaneously when compared with multimedium by body, such as liquid nutrient solution etc.
When more, just under the pressure effect of medium inelastic deformation can occur first for barrier film, and increases medium and pass through
When area so that medium can preferably pass through, i.e., the size of main tube cavity and auxiliary tube chamber can be according to specific Jie
The quantity of matter is changed, and can not only so be improved the efficiency of transmission medium, while can also prevent body from blocking, be made
Stability is high；And when medium is more, elastic deformation can also occur for barrier film, so that body is fitted to medium
Ying Xinggeng is high；During actual use, either main tube cavity or auxiliary tube chamber can be right by the deformation of barrier film
The cross-sectional area of tube chamber is changed, and specific medium situation is adapted to, practical.
Brief description of the drawings
Fig. 1 is the structural representation in the embodiment of the present invention 1；
Fig. 2 is the sectional view in the embodiment of the present invention 1；
Fig. 3 is the enlarged drawing of part A in figure；
Fig. 4 is in the embodiment of the present invention 2 structural representation；
Fig. 5 is the sectional view in the embodiment of the present invention 3.
Wherein, 1, body；2nd, barrier film；3rd, main tube cavity；4th, auxiliary tube chamber；5th, flow-guiding mouth；6th, extension tube.
Embodiment
Further detailed is made to a kind of medical catheter with barrier film proposed by the present invention below in conjunction with the drawings and specific embodiments
Describe in detail bright.According to following explanation and claims, advantages and features of the invention will become apparent from.It should be noted that, accompanying drawing is equal
Using very simplified form and using non-accurately ratio, only to convenience, the embodiment of the present invention is lucidly aided in illustrating
Purpose.Same or analogous reference represents same or analogous part in accompanying drawing.
Embodiment 1
A kind of medical catheter with barrier film, as shown in Figure 1, Figure 2 and Figure 3, the conduit are applied in stomach tube, and it includes circle
The barrier film 2 being made up of elastic PU materials is provided with the body 1 of cylindricality, the inwall of the body 1, by the barrier film 2 by institute
The inner chamber for stating body 1 is divided into main tube cavity 3 and auxiliary tube chamber 4, the barrier film 2 described in perpendicular cross section with the axle center of body 1
Cross-section lengths be more than the chord length of the cross section of the body 1 corresponding to the two ends of barrier film 2, and the barrier film 2 is transversal
The length in face is less than the arc length of the cross section of the body 1 corresponding to the two ends of barrier film 2.
The end of the body 1 offers the flow-guiding mouth 5 that the body 1 is passed in and out for medium, the end of the main tube cavity 3
Extension tube 6 is provided with and communicated with the main tube cavity 3, the flow-guiding mouth 5 is located in the auxiliary tube chamber 4 and the extension tube 6；
The cross-section lengths of the barrier film 2 are equal to the chord length and the half of arc length sum of the body 1 on same cross section；While institute
The thickness for stating barrier film 2 is less than the thickness of the body 1, and the two is made by way of hot-melt extruded.
When using the stomach tube, body 1 when physical activity and drives pipe through human body and in the tissue of human body
When body 1 is bent, because the length of barrier film 2 is greater than the chord length of the body 1 corresponding to the two ends of barrier film 2, so manage
Barrier film 2 just can be by the deformation of its own from without producing inhibition to the deformation of body 1, i.e., during the deformation of body 1
The BENDING PROCESS of body 1 can be relatively simple progress so that the interaction force produced between body 1 and human body compared with
It is small, so body 1 not only in use can be more comfortable, simultaneously because the effect produced to tissue is small, so
Also human body recovery just can be preferably beneficial to.
Moreover, when carrying out when exchange of medium by body 1 and human body, when medium by main tube cavity 3 or
When auxiliary tube chamber 4, because barrier film 2 is soft elastic construction, so when the medium of the side of barrier film 2 is more, every
Film 2 just so as to increase the cross-sectional area of the more side of medium, and can cause the logical of medium by occurring inelastic deformation first
Cross more simple, improve the efficiency of medium conduction, simultaneously because cross section is increased, so also can prevent body 1 simultaneously
Block, it is more stable using process；And when medium further increases, bullet can also further occur for barrier film 2
Property deformation so that medium by faster；Wherein, due to being all between the length of barrier film 2 and the chord length and arc length of body 1
With a certain distance, even if so medium is more, also can preferably prevent barrier film 2 to be attached on the inwall of body 1, so
Main tube cavity 3 and auxiliary tube chamber 4 normally can just conduct to medium, when medium is more in auxiliary tube chamber 4, every
Film 2 greatly adds the cross-sectional area of auxiliary tube chamber 4 to the direction generation activity of main tube cavity 3, so that the biography for the medium accelerated
Lead；Because the thickness of barrier film 2 is less than the thickness of body 1, so barrier film 2 occupies the volume in less pipeline, for conducting
The volume of medium is bigger, while the deformation of barrier film 2 is also easier to carry out, pipeline can preferably be bent.
Because extension tube 6 increases the total length of stomach tube, when so when to patient, the end of auxiliary tube chamber 4
Stay in stomach, and extension tube 6 just can continue to extend and enter in enteron aisle, so in the trouble to gastric digestion nutrition inconvenience
When person, nutrient media can be directly sent in enteron aisle, simultaneously because the end of auxiliary tube chamber 4 is also in stomach,
So the export to media such as gastric juice can also be carried out normally, it is practical；Its septation 2 can also keep expanding main tube cavity
3 and while 4 openings of sizes of auxiliary tube chamber, prevent from fitting on the inwall of body 1.
Meanwhile, stomach tube is during work, and gastric juice etc. has certain corrosivity, but is due to that barrier film 2 is by PU materials
What material was made, so barrier film 2 not only has preferable flexibility, but also with preferable chemical resistance, so can
The corrosive effect of gastric juice etc. is preferably resisted, so that more permanent be operated, service life is long；And body 1 and barrier film 2 are
It is made by way of hot-melt extruded, so the smoothness of the outer wall of body 1 is higher, during specifically used just further
The interphase interaction for reducing body 1 and human body size, usage comfort is higher.
Embodiment 2
A kind of medical catheter with barrier film 2, as shown in figure 4, being with the difference of embodiment 1, the conduit application
In catheter, the end of the body 1 offers the flow-guiding mouth 5 that the body 1 is passed in and out for medium, positioned at the flow-guiding mouth
The gap passed through for medium, and the horizontal stroke of the barrier film 2 are left between the end of the barrier film 2 and the end of the body 1 at 5 ends
The length difference of section length and the chord length of the body 1 corresponding to the two ends of barrier film 2, equal to corresponding to the two ends of barrier film 2
Chord length and 0.95 times of arc length length difference.
By body 1 with carrying out when exchanging of medium in human bladder, because the flow-guiding mouth 5 on body 1 is less, so it is situated between
When matter is more, medium just can be flowed out and be acted on human bladder from flow-guiding mouth 5 with faster speed, so to wing
When Guang is cleaned, additionally it is possible to so that the effect of cleaning treatment is more preferable；Wherein, due to the length and the string of body 1 of barrier film 2
It is long be all with a certain distance, even if so medium is more, also can preferably prevent barrier film 2 to be attached to pipe between arc length
On the inwall of body 1, such main tube cavity 3 and auxiliary tube chamber 4 normally can just conduct to medium.
Wherein, due to being provided with flow-guiding mouth 5 on the end only one of which cavity of body 1, because flow-guiding mouth 5 is in body 1
There is sunk structure, so when body 1 is passing in and out human body, the outer wall of flow-guiding mouth 5 is all easily caused to human body on outer wall
Certain friction, and make it that usage comfort is relatively low, now medium is after the end of body 1 is reached, the end of barrier film 2 and body
There is the gap that medium passes through, so the medium in main tube cavity 3 and auxiliary tube chamber 4 can be entered by flow-guiding mouth 5 between 1 end
Go out body 1, so can just reduce the quantity of flow-guiding mouth 5 on body 1, so as to reduce the deleterious effect caused to human body, make
Further it is improved with comfort level.
Embodiment 3
A kind of medical catheter with barrier film 2, as shown in figure 5, being with the difference of embodiment 1, the conduit application
In respiratory siphon, the barrier film 2 is provided with several, and body 1 is divided into a main tube cavity 3 and several auxiliary tube chambers 4,
Wherein described body 1 and the barrier film 2 are all made up of hot-melting and injection-molding.
Because auxiliary tube chamber 4 has several, so when air is passed through to lung by body 1, several are auxiliary
The flow-guiding mouth 5 of the diverse location helped on tube chamber can just carry out the flowing of medium between lung, so the medium between lung
Exchange scope it is wider, effect is more preferable；Simultaneously because body 1 is also what hot-melting and injection-molding was formed, the outer wall of such body 1 just can
A relatively smooth state is kept, the interaction produced with human body is also just smaller, and usage comfort is higher
Embodiment 4
A kind of medical catheter with barrier film 2, is with the difference of embodiment 1, and the conduit is applied to blood circulation
Guan Zhong, can also be used in angiography tube, at the same the material of the barrier film 2 be silica gel material, or rubber, PET, PP or
One kind in PVC, so it is specifically used in different patients when, it is possible to according to specific circumstances from different materials
Material, and conduit is adapted to patient the most and is used, it is practical.
It should be noted that the embodiment of each in this specification is described by the way of progressive, each embodiment emphasis is said
Bright be all between the difference with other embodiment, each embodiment identical similar portion mutually referring to.
Foregoing description is only the description to present pre-ferred embodiments, not to any restriction of the scope of the invention, this hair
Any change, modification that the those of ordinary skill in bright field does according to the disclosure above content, belong to the protection of claims
Scope.
Claims (8)
1. a kind of medical catheter with barrier film, includes the body of cylinder, it is characterised in that be provided with the inwall of the body
The inner chamber of the body is divided into main tube cavity and auxiliary tube chamber by the barrier film being made up of elastomeric material, the barrier film, the body
The cross-section lengths of barrier film described in cross section are more than the chord length of the body cross section corresponding to the barrier film two ends, and
The length of the barrier film cross section is less than the arc length of the body cross section corresponding to the barrier film two ends.
2. a kind of medical catheter with barrier film according to claim 1, it is characterised in that the body is applied to urethral catheterization
Pipe, respiratory siphon, blood circulation pipe and angiography tube.
3. a kind of medical catheter with barrier film according to claim 1 or 2, it is characterised in that the thickness of the barrier film is small
In the thickness of the body.
4. a kind of medical catheter with barrier film according to claim 1 or 2, it is characterised in that open the end of the body
Provided with the flow-guiding mouth that the body is passed in and out for medium, the barrier film is close to the end of the flow-guiding mouth and the end of the body
Between leave the gap passed through for medium.
5. a kind of medical catheter with barrier film according to claim 1 or 2, it is characterised in that open the end of the body
Provided with the flow-guiding mouth that the body is passed in and out for medium, the end of the main tube cavity is provided with the extension connected with the main tube cavity
Pipe, the flow-guiding mouth is located in the auxiliary tube chamber and the extension tube.
6. a kind of medical catheter with barrier film according to claim 3, it is characterised in that the material of the barrier film is silicon
One kind in glue, rubber, PU, PET, PP or PVC.
7. a kind of medical catheter with barrier film according to claim 3, it is characterised in that the barrier film is provided with some
It is individual.
8. a kind of medical catheter with barrier film according to claim 3, it is characterised in that the body and the barrier film
Prepared using hot-melt extruded or hot-melting and injection-molding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710567412.7A CN107198812A (en) | 2017-07-12 | 2017-07-12 | A kind of medical catheter with barrier film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710567412.7A CN107198812A (en) | 2017-07-12 | 2017-07-12 | A kind of medical catheter with barrier film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107198812A true CN107198812A (en) | 2017-09-26 |
Family
ID=59910767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710567412.7A Pending CN107198812A (en) | 2017-07-12 | 2017-07-12 | A kind of medical catheter with barrier film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107198812A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101116634A (en) * | 1999-06-08 | 2008-02-06 | 爱德华兹生命科学公司 | Multiple lumen access device |
| CN101829024A (en) * | 2010-04-30 | 2010-09-15 | 杭州善誉医药科技有限公司 | Dual-cavity stomach tube |
| CN202505956U (en) * | 2012-04-26 | 2012-10-31 | 石家庄诺利达医疗器械有限公司 | Dual-cavity tube |
| CN102836494A (en) * | 2012-05-21 | 2012-12-26 | 杭州善誉医药科技有限公司 | Three-cavity nasogastric tube |
| CN202876053U (en) * | 2012-05-21 | 2013-04-17 | 杭州善誉医药科技有限公司 | Triple-cavity stomach tube |
| CN104428031A (en) * | 2012-05-25 | 2015-03-18 | C·R·巴德股份有限公司 | Multi-lumen catheter with enhanced flow features |
| CN106345041A (en) * | 2016-10-10 | 2017-01-25 | 许荣德 | Drainage catheter |
| CN208372264U (en) * | 2017-07-12 | 2019-01-15 | 上海鹏冠生物医药科技有限公司 | A kind of medical catheter with diaphragm |
-
2017
- 2017-07-12 CN CN201710567412.7A patent/CN107198812A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101116634A (en) * | 1999-06-08 | 2008-02-06 | 爱德华兹生命科学公司 | Multiple lumen access device |
| CN101829024A (en) * | 2010-04-30 | 2010-09-15 | 杭州善誉医药科技有限公司 | Dual-cavity stomach tube |
| CN202505956U (en) * | 2012-04-26 | 2012-10-31 | 石家庄诺利达医疗器械有限公司 | Dual-cavity tube |
| CN102836494A (en) * | 2012-05-21 | 2012-12-26 | 杭州善誉医药科技有限公司 | Three-cavity nasogastric tube |
| CN202876053U (en) * | 2012-05-21 | 2013-04-17 | 杭州善誉医药科技有限公司 | Triple-cavity stomach tube |
| CN104428031A (en) * | 2012-05-25 | 2015-03-18 | C·R·巴德股份有限公司 | Multi-lumen catheter with enhanced flow features |
| CN106345041A (en) * | 2016-10-10 | 2017-01-25 | 许荣德 | Drainage catheter |
| CN208372264U (en) * | 2017-07-12 | 2019-01-15 | 上海鹏冠生物医药科技有限公司 | A kind of medical catheter with diaphragm |
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Application publication date: 20170926 |