CN106924864A - A kind of anti-reflux ureter bracket of super-hydrophobic oleophobic - Google Patents
A kind of anti-reflux ureter bracket of super-hydrophobic oleophobic Download PDFInfo
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- CN106924864A CN106924864A CN201710169126.5A CN201710169126A CN106924864A CN 106924864 A CN106924864 A CN 106924864A CN 201710169126 A CN201710169126 A CN 201710169126A CN 106924864 A CN106924864 A CN 106924864A
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- ureter
- end part
- ureter bracket
- hydrophobic oleophobic
- bladder
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- 210000000626 ureter Anatomy 0.000 title claims abstract description 74
- 230000000151 anti-reflux effect Effects 0.000 title claims abstract description 17
- 230000003075 superhydrophobic effect Effects 0.000 title claims abstract description 6
- 230000002209 hydrophobic effect Effects 0.000 claims abstract description 18
- 210000003734 kidney Anatomy 0.000 claims abstract description 18
- 210000002700 urine Anatomy 0.000 abstract description 24
- 210000001124 body fluid Anatomy 0.000 abstract description 10
- 239000010839 body fluid Substances 0.000 abstract description 10
- 206010061218 Inflammation Diseases 0.000 abstract description 4
- 208000015181 infectious disease Diseases 0.000 abstract description 4
- 230000004054 inflammatory process Effects 0.000 abstract description 4
- 230000000903 blocking effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 6
- 238000002788 crimping Methods 0.000 description 5
- 238000010992 reflux Methods 0.000 description 5
- 208000031737 Tissue Adhesions Diseases 0.000 description 4
- 210000004204 blood vessel Anatomy 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
- 230000008859 change Effects 0.000 description 3
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- 241000233866 Fungi Species 0.000 description 2
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- 230000006378 damage Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 229950003499 fibrin Drugs 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000638 stimulation Effects 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 230000002485 urinary effect Effects 0.000 description 2
- 208000031868 Calculus ureteric Diseases 0.000 description 1
- 206010030113 Oedema Diseases 0.000 description 1
- 208000009911 Urinary Calculi Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- YNWIGNSUFWCIKT-UHFFFAOYSA-N [F].[Mo] Chemical compound [F].[Mo] YNWIGNSUFWCIKT-UHFFFAOYSA-N 0.000 description 1
- 239000002473 artificial blood Substances 0.000 description 1
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- 230000000747 cardiac effect Effects 0.000 description 1
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- 238000000576 coating method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 210000004351 coronary vessel Anatomy 0.000 description 1
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- 238000002618 extracorporeal membrane oxygenation Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000001631 haemodialysis Methods 0.000 description 1
- 230000000322 hemodialysis Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000003447 ipsilateral effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 210000001630 jejunum Anatomy 0.000 description 1
- 230000003907 kidney function Effects 0.000 description 1
- 230000003211 malignant effect Effects 0.000 description 1
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- 230000007246 mechanism Effects 0.000 description 1
- 239000002103 nanocoating Substances 0.000 description 1
- 210000005036 nerve Anatomy 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 210000003200 peritoneal cavity Anatomy 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- ABTOQLMXBSRXSM-UHFFFAOYSA-N silicon tetrafluoride Chemical compound F[Si](F)(F)F ABTOQLMXBSRXSM-UHFFFAOYSA-N 0.000 description 1
- 210000002784 stomach Anatomy 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
- 201000011086 ureterolithiasis Diseases 0.000 description 1
- 208000019206 urinary tract infection Diseases 0.000 description 1
- 238000012795 verification Methods 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
- A61M25/0017—Catheters; Hollow probes specially adapted for long-term hygiene care, e.g. urethral or indwelling catheters to prevent infections
-
- 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
- A61M27/00—Drainage appliance for wounds or the like, i.e. wound drains, implanted drains
- A61M27/002—Implant devices for drainage of body fluids from one part of the body to another
- A61M27/008—Implant devices for drainage of body fluids from one part of the body to another pre-shaped, for use in the urethral or ureteral tract
-
- 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
- A61M25/0067—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
- A61M25/007—Side holes, e.g. their profiles or arrangements; Provisions to keep side holes unblocked
-
- 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
- A61M25/02—Holding devices, e.g. on the body
- A61M25/04—Holding devices, e.g. on the body in the body, e.g. expansible
-
- 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
- A61M25/0045—Catheters; Hollow probes characterised by structural features multi-layered, e.g. coated
- A61M2025/0046—Coatings for improving slidability
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hematology (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- Biophysics (AREA)
- Pulmonology (AREA)
- Urology & Nephrology (AREA)
- Otolaryngology (AREA)
- Ophthalmology & Optometry (AREA)
- Epidemiology (AREA)
- External Artificial Organs (AREA)
- Prostheses (AREA)
Abstract
The present invention relates to a kind of anti-reflux ureter bracket of super-hydrophobic oleophobic, described ureter bracket is tubular body, and a diameter of 1 3mm is sequentially provided with kidney end part, partial ureter and bladder end part；Described kidney end part is in curly, and distal end end face is opening；Described bladder end part is also in curly, and proximal face is closing；Described kidney end part and the inside of partial ureter are all hollow, and outer wall is provided with some staggered conduction holes；The conduction hole of most proximal end is 3 10cm with the distance of bladder end part；The inner surface of described ureter bracket and outer surface are equipped with hydrophobic oleophobic layer, and described hydrophobic oleophobic thickness degree is 50 200nm.Be isolated for body fluid, urine and ureter bracket by the hydrophobic oleophobic layer on ureter bracket surface of the invention, and then prevents the generation of blocking, adhesion, inflammation and courses of infection, and the anti-reflux effect of the ureter bracket is protruded, and possesses good drainage patency.
Description
Technical field
The present invention relates to technical field of medical instruments, specifically, it is related to a kind of anti-reflux ureter of super-hydrophobic oleophobic
Support.
Background technology
Ureter bracket is instrument the most frequently used during various benign and malignant disease in the urological systems are treated, and its effect includes interior
Support and interior drainage, can effectively release upper urinary stone, the temporary upper urinary that ureter oedema is caused, and prevention of postoperative is defeated
Narrow and leakage of urine the generation of urinary catheter, recovers beneficial to Ipsilateral renal function.Ureter bracket need to be routinely retained in patient's body necessarily
Time.But the use of ureter bracket is often accompanied with some complication.Ureter bracket during indwelling can and body fluid with
And the various hydrophilic or lipophilic group crosslinking that urine is contained within, agglomerate is formed, cot is such as formed, cause inadequate drainage even to hinder
Plug, need to change again；The outer surface of ureter bracket can also stimulate surrounding tissue, produce inflammatory reaction, and serious causes and week
Enclose tissue and produce adhesion, the place of inserting is become narrow；After overlong time is inserted, the inside and outside table of bacterium, fungi in ureter bracket
Face is colonized, growth, causes organism infection.Urine reflux during rami ureterici mounts pipe then often leads to patient's pain in the back, the soreness of waist
Deng can also increase the risk of urinary tract infections.These complication largely influence disease therapeuticing effect and the life of patient
Quality.
Chinese patent literature CN201020509411.0, day for announcing 2011.03.02, disclose a kind of unidirectional drainage urine output
Pipe holder pipe, is from up to down sequentially made up of, in ureter renal plevis section, urine output pipeline section, tubal bladder linkage section and bladder section
Unidirectional drainage device is provided with the conduit of bladder linkage section, the unidirectional drainage device is a resilient rectangular rubber of tool
Flat tube, it is circle that its openend struts, and is fixed on the pipe inner wall of tubal bladder linkage section, and closed end is placed in bladder section
Side, upper and lower tube wall overlaps closed together.The correct indwelling of unidirectional drainage ureter stent of the utility model is urinated after in vivo
Liquid can only enter bladder from renal plevis and urine output Tube Drain, and urine is backflowed without normal direction renal plevis and ureter in bladder.Chinese patent literature
CN201420827018.4, day for announcing 2015.06.17, disclose a kind of anti-reflux ureter rack tube, including a hollow tube
Body, the hollow tube has straight length, the first crimping segment and the second crimping segment, is provided with least on first crimping segment
One surround the tube wall of first crimping segment and the elastic tubular film of the urine outlet can be completely covered, in the elastic tube
Shape film is provided with least one opening opened when the elastic tubular film internal pressure is more than external pressure.The utility model
The anti-reflux ureter rack tube for being provided is provided with elastic tubular film on the outside of the urine outlet of its first crimping segment, works as elastic tube
When pressure inside shape film is more than outside pressure, the opening is opened, can be by this by the liquid flowed out in ureter rack tube
Opening discharge；When pressure outside elastic tubular film is more than internal pressure, opening closure, so as to avoid intravesical urine
Liquid reflux is returned in renal plevis, causes the secondary injury to patient.But both ureter brackets be all by increase component come
Anti-reflux purpose is reached, if on the one hand component deformation then causes anti-reflux effect to weaken significantly, another aspect component increases
With body fluid or the contact surface of urine, easily trigger and block and infect.
In sum, needing one kind badly can be effectively anti-reflux, especially avoids with body fluid, urine contact to prevent drainage not
Freely, the ureter bracket of tissue adhesion and courses of infection.But relevant report is had no at present.
The content of the invention
The purpose of the present invention is directed to deficiency of the prior art, there is provided one kind can be effectively anti-reflux, especially avoid with
Body fluid, urine contact are preventing inadequate drainage, tissue adhesion and the ureter bracket of courses of infection.
To achieve the above object, the present invention is adopted the technical scheme that：
A kind of ureter bracket, described ureter bracket is tubular body, be sequentially provided with kidney end part, partial ureter and
Bladder end part；Described kidney end part is in curly, and distal end end face is opening；Described bladder end part is also in curling
Shape, proximal face is closing；Described kidney end part and the inside of partial ureter are all hollow, and outer wall is provided with some
Staggered conduction hole；The conduction hole of most proximal end is 3-10cm with the distance of bladder end part；Described ureter bracket
Inner surface and outer surface are equipped with hydrophobic oleophobic layer.
Described hydrophobic oleophobic thickness degree is 50-200nm.
The a diameter of 1-3mm of described ureter bracket.
Adjacent conduction hole distance is 0.5-1mm, a diameter of 0.4-1mm of described conduction hole.
The proximal face shape in curved surface of described bladder end part.
The invention has the advantages that：
1st, ureter bracket surface of the invention is provided with hydrophobic oleophobic layer, and it forms on the surface of ureter bracket and protects together
Cuticula, body fluid, urine and ureter bracket are isolated, and prevent surface attachment fibrin therein, the knot of ureter bracket
Stone etc. and block, it is to avoid inadequate drainage and change the trouble of support, at the same avoid ureter bracket and surrounding tissue adhesion,
Inflammatory reaction and the place of inserting is produced to become narrow risk, and also with the anti-infection effect for preventing germ to be colonized.And it is described
Hydrophobic oleophobic thickness degree be 50-500nm, good buffer action can be played, can with the surface strong bonded of ureter bracket,
And ureter bracket overall diameter will not be made excessive and influence anti-reflux effect and increase to insert difficulty, will not also make rami ureterici
The interior diameter of frame is too small and causes inadequate drainage.
2nd, its bladder end part of ureter bracket of the invention is completely enclosed, and conduction hole and bladder end part have necessarily
Distance, and ureter bracket integral diameter is smaller, therefore can effectively prevent urine reflux in bladder, and ensure that higher drawing
Stream efficiency.
3rd, the proximal face of bladder end part shape in curved surface, can avoid that patient is caused to damage.
4th, kidney end part and bladder end part can effectively prevent ureter bracket from shifting all in curly.
Brief description of the drawings
Fig. 1 is ureter bracket structural representation of the invention.
Fig. 2 is hydrophobic oleophobic Rotating fields schematic diagram.
Specific embodiment
The specific embodiment that the present invention is provided is elaborated below in conjunction with the accompanying drawings.
The reference and part being related in accompanying drawing are as follows：
1. the partial ureter of kidney end part 2.
3. the conduction hole of bladder end part 4.
5. hydrophobic oleophobic layer
Embodiment 1
Fig. 1 is referred to, Fig. 1 is ureter bracket structural representation of the invention.Described ureter bracket is generally thin
Tubular body, a diameter of 1-3mm is sequentially provided with kidney end part 1, partial ureter 2 and bladder end part 3.Described kidney end
1 is divided to be in curly, distal end end face is opening.Described bladder end part 3 is also in curly, and proximal face is closing, end
The hemispherical curved in face.Described kidney end part 1 and the inside of partial ureter 2 are all hollow, and outer wall is provided with friendship
The conduction hole 4 of mistake arrangement, adjacent conduction hole distance is 0.5-1mm, a diameter of 0.4-1mm of conduction hole 4.The conduction hole of most proximal end
4 distance apart from bladder end part 3 is 3-10cm.
Fig. 2 is referred to, Fig. 2 is hydrophobic oleophobic Rotating fields schematic diagram.The inner surface of described ureter bracket and outer surface
Hydrophobic oleophobic layer 5 is equipped with, described hydrophobic oleophobic 5 thickness of layer are 50-200nm.
It should be noted that the effect of described hydrophobic oleophobic layer 5 is formed together in the inner and outer surfaces of ureter bracket
Diaphragm, the surface of body fluid, urine and ureter bracket is separated by, it is therefore prevented that body fluid, urine are directly contacted with it, and then are prevented
Surface attachment fibrin therein, calculus of ureter bracket etc. and block, it is to avoid inadequate drainage and change the fiber crops of support
It is tired；Also avoid ureter bracket and surrounding tissue adhesion, produce inflammatory reaction and the place of inserting to become narrow risk, and have
Prevent bacterium, fungi to be colonized, reach anti-infectious effect.Described hydrophobic oleophobic thickness degree is preferably 50-500nm, the specification
Show that good buffer action can be played according to clinical verification, and be able to will not make with the surface strong bonded of ureter bracket
The overall diameter of ureter bracket is excessive and reduce anti-reflux effect and difficulty is inserted in increase, will not also make the interior straight of ureter bracket
Footpath is too small and causes inadequate drainage.Described hydrophobic oleophobic layer 5 is preferably the composite Nano coating with super-hydrophobic oleophobic property, its
Material can be fluorine-containing nanometer polymer, such as fluorine carbon-nano polymer, silicon fluoride nanometer polymer, fluorine molybdenum nanometer polymer
Deng, can using plasma coating technique be allowed to be deposited on the surface of ureter bracket.The near-end end of described bladder end part 3
Face is set to closing, and its outer wall is completely enclosed, can effectively prevent intravesical urine from passing through ureter reflux.Institute
The diameter of the ureter bracket stated is set to 1-3mm, and diameter is smaller, can reduce the stimulation for Ureteral orifice end, utilizes
The anti-reflux mechanism of ureter itself plays anti-reflux effect.The distal end end face of described kidney end part 1 is to be open, and outer wall
Conduction hole 4 is set, is that, for drainage of urine, described conduction hole 4 is staggered, and diameter is set to 0.4-1mm, can be notable
Improve drainage efficiency.Distance of the conduction hole 4 of most proximal end apart from bladder end part 3 is set to 3-10cm, can effectively prevent urine output
Pipe is slight to be moved down and causes in bladder urine from conduction hole 4 and reflux, on the other hand also assures that possess more drawing on ureter
Discharge orifice 4, it is ensured that preferable drainage effect.Described kidney end part 1 and bladder end part 3 in curly, can make the present invention
Ureter fix well, prevent displacement.The proximal face of described bladder end part 3 is set to curved, can anti-not-go-end
Portion's injured patient's bladder body.
Under ureter bracket working condition of the invention, described kidney end part 1 is located in kidney, described urine output pipe portion
2 are divided to be located in ureter, described bladder end part 3 is then in bladder.It can be well isolated from body fluid, urine, it is to avoid right
The stimulation and the field planting of germ of surrounding tissue, possess anti-reflux function, and drainage is unobstructed, can effectively reduce the generation of complication.
Also, it should be noted that the design in equipment surfaces design hydrophobic oleophobic layer of the invention is not limited only to the present invention.
Apply also for following apparatus：1st, chamber scope, including digestive endoscopy (gastroscope, enteroscope, Sigmoidoscope, choledochoscope etc.), thoracoscope,
Laparoscope, cystoscope and joint of vertebral column mirror etc.；2nd, chamber Insertion, including intrathoracic drain, peritoneal cavity drainage tube, catheter, courage
Pipe holder, nerve trachea, nose bile duct, stomach jejunum pipe etc.；3rd, blood vessel inserts thing, and mainly various vessel catheters, seal wire, blood vessel are replaced
For thing and various intravascular stents, vessel catheter includes that various arterio-venous catheters, hemodialysis catheter, ECMO insert arterio-venous catheter
Include various artificial blood vessels Deng, replacement vessels, intravascular stent includes inserting the various supports of blood vessel, such as cardiac coronary-artery
Deng.Reach the purpose of isolation body fluid or drain or nutrient solution or blood.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
Member, on the premise of the inventive method is not departed from, can also make some improvement and supplement, and these are improved and supplement also should be regarded as
Protection scope of the present invention.
Claims (5)
1. a kind of anti-reflux ureter bracket of super-hydrophobic oleophobic, it is characterised in that described ureter bracket is tubular body, according to
It is secondary to be provided with kidney end part, partial ureter and bladder end part；Described kidney end part is in curly, and distal end end face is opening
's；Described bladder end part is also in curly, and proximal face is closing；Described kidney end part and partial ureter it is interior
Portion is all hollow, and outer wall is provided with some staggered conduction holes；The conduction hole of most proximal end and the distance of bladder end part
It is 3-10cm；The inner surface of described ureter bracket and outer surface are equipped with hydrophobic oleophobic layer.
2. ureter bracket according to claim 1, it is characterised in that described hydrophobic oleophobic thickness degree is 50-
200nm。
3. ureter bracket according to claim 1, it is characterised in that a diameter of 1-3mm of described ureter bracket.
4. ureter bracket according to claim 1, it is characterised in that adjacent conduction hole distance is 0.5-1mm, described
The a diameter of 0.4-1mm of conduction hole.
5. ureter bracket according to claim 1, it is characterised in that the proximal face of described bladder end part is in song
Planar.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710169126.5A CN106924864A (en) | 2017-03-21 | 2017-03-21 | A kind of anti-reflux ureter bracket of super-hydrophobic oleophobic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710169126.5A CN106924864A (en) | 2017-03-21 | 2017-03-21 | A kind of anti-reflux ureter bracket of super-hydrophobic oleophobic |
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|---|---|
| CN106924864A true CN106924864A (en) | 2017-07-07 |
Family
ID=59432816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710169126.5A Pending CN106924864A (en) | 2017-03-21 | 2017-03-21 | A kind of anti-reflux ureter bracket of super-hydrophobic oleophobic |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107952157A (en) * | 2017-12-12 | 2018-04-24 | 上海英诺伟医疗器械有限公司 | A kind of Double-layer drainage tube |
| CN109513096A (en) * | 2018-08-13 | 2019-03-26 | 孙磊 | A kind of body cavity drainage tube |
| WO2022260316A1 (en) * | 2021-06-07 | 2022-12-15 | 인제대학교 산학협력단 | Internal drainage catheter for ascites drainage |
| WO2023217269A1 (en) * | 2022-05-13 | 2023-11-16 | 广州维力医疗器械股份有限公司 | Stent and implantation device thereof |
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2017
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| Title |
|---|
| 薛歆: "疏水疏油纳米银镀膜冠状动脉支架的研究", 《中国优秀博硕士学位论文全文数据库（博士） 医药卫生科技辑》 * |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107952157A (en) * | 2017-12-12 | 2018-04-24 | 上海英诺伟医疗器械有限公司 | A kind of Double-layer drainage tube |
| CN109513096A (en) * | 2018-08-13 | 2019-03-26 | 孙磊 | A kind of body cavity drainage tube |
| CN109513096B (en) * | 2018-08-13 | 2021-09-14 | 孙磊 | Body cavity drainage tube |
| WO2022260316A1 (en) * | 2021-06-07 | 2022-12-15 | 인제대학교 산학협력단 | Internal drainage catheter for ascites drainage |
| WO2023217269A1 (en) * | 2022-05-13 | 2023-11-16 | 广州维力医疗器械股份有限公司 | Stent and implantation device thereof |
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