CN201135683Y - Conical saccule dilating catheter - Google Patents
Conical saccule dilating catheter Download PDFInfo
- Publication number
- CN201135683Y CN201135683Y CNU2007201900544U CN200720190054U CN201135683Y CN 201135683 Y CN201135683 Y CN 201135683Y CN U2007201900544 U CNU2007201900544 U CN U2007201900544U CN 200720190054 U CN200720190054 U CN 200720190054U CN 201135683 Y CN201135683 Y CN 201135683Y
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- Prior art keywords
- sacculus
- taper
- conduit
- far
- dilating catheter
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- Expired - Lifetime
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- 230000000916 dilatatory effect Effects 0.000 title claims description 18
- 210000005077 saccule Anatomy 0.000 title 1
- 239000000463 material Substances 0.000 claims description 19
- 230000007704 transition Effects 0.000 claims description 15
- 239000004677 Nylon Substances 0.000 claims description 11
- 229920001778 nylon Polymers 0.000 claims description 11
- -1 polyethylene Polymers 0.000 claims description 9
- 229920000573 polyethylene Polymers 0.000 claims description 9
- 238000000576 coating method Methods 0.000 claims description 8
- 230000000295 complement effect Effects 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 8
- 239000004698 Polyethylene Substances 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 7
- 238000012986 modification Methods 0.000 claims description 7
- 230000004048 modification Effects 0.000 claims description 7
- 238000011161 development Methods 0.000 claims description 6
- 238000002372 labelling Methods 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 2
- 210000004204 blood vessel Anatomy 0.000 abstract description 6
- 238000007887 coronary angioplasty Methods 0.000 abstract description 3
- 238000013461 design Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 230000036285 pathological change Effects 0.000 abstract description 2
- 208000001848 dysentery Diseases 0.000 abstract 3
- 208000007536 Thrombosis Diseases 0.000 abstract 1
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 230000035515 penetration Effects 0.000 abstract 1
- 229920002614 Polyether block amide Polymers 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 description 4
- 230000001464 adherent effect Effects 0.000 description 3
- 210000004351 coronary vessel Anatomy 0.000 description 3
- 208000037803 restenosis Diseases 0.000 description 3
- 238000005481 NMR spectroscopy Methods 0.000 description 2
- 208000031481 Pathologic Constriction Diseases 0.000 description 2
- 206010050902 Postoperative thrombosis Diseases 0.000 description 2
- 238000002059 diagnostic imaging Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002107 myocardial effect Effects 0.000 description 2
- 230000001225 therapeutic effect Effects 0.000 description 2
- 210000000709 aorta Anatomy 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 231100000915 pathological change Toxicity 0.000 description 1
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical group [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 208000037804 stenosis Diseases 0.000 description 1
- 230000036262 stenosis Effects 0.000 description 1
- 230000002792 vascular Effects 0.000 description 1
Images
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
- A61M25/104—Balloon catheters used for angioplasty
-
- 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
- A61M25/005—Catheters; Hollow probes characterised by structural features with embedded materials for reinforcement, e.g. wires, coils, braids
- A61M25/0052—Localized reinforcement, e.g. where only a specific part of the catheter is reinforced, for rapid exchange guidewire port
-
- 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
- A61M25/1002—Balloon catheters characterised by balloon shape
-
- 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
- A61M2025/0183—Rapid exchange or monorail 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
- A61M25/10—Balloon catheters
- A61M2025/1043—Balloon catheters with special features or adapted for special applications
- A61M2025/1079—Balloon catheters with special features or adapted for special applications having radio-opaque markers in the region of the balloon
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Anesthesiology (AREA)
- Biophysics (AREA)
- Pulmonology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Child & Adolescent Psychology (AREA)
- Vascular Medicine (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
The utility model relates to a tapered sacculus expanding catheter used for percutaneous transluminal coronary angioplasty of interventional iatrotechnics. The tapered sacculus expanding catheter comprises sacculus, a catheter and a ruhr connector, wherein the sacculus is positioned at the front part of the catheter, the catheter is connected with the ruhr connector or connected with the ruhr connector through an armored tube, an inner tube is arranged in the catheter, the distal part and the proximal end of the sacculus respectively adopt a tapered section structure, and the middle section of the sacculus adopts a transitional taper structure; because the sacculus main body adopts the tapered structure, which conforms to the human engineering, to ensure the sacculus or the supporting frame which expands by depending on the sacculus to conform to the gradual thinner natural change of the inner diameter of human body from the near to the far, therefore, by adopting the sacculus, the damage to the blood vessel at the distal part because of over extension existed in the traditional sacculus can be reduced when the supporting frame is expanded, the wall contacting effect of the supporting frame is better, and the possibility of thrombus or narrowness repetition after operation is reduced; the penetration performance of the sacculus catheter penetrating the blood vessel or pathologic change can be enhanced by adopting the tapered structural design.
Description
Technical field
This utility model belongs to medical instruments field, relates to the employed sacculus dilating catheter of a kind of percutaneous puncture plasty, particularly a kind of vertebra shape sacculus dilating catheter that is used for the percutaneous transluminal coronary angioplasty of interventional therapeutic technique.
Background technology
Interventional therapeutic technique is to grow up in the later stage seventies, and it is at medical imaging, comprises guiding such as X line, ultrasonic, CT, NMR (Nuclear Magnetic Resonance)-imaging (MRI) down, by the percutaneous puncture approach special conduit or apparatus is inserted to diseased region and diagnoses or treat.Percutaneous transluminal coronary angioplasty is to adopt the percutaneous puncture technology that foley's tube is inserted into stenosis coronarius, and under the guiding and monitoring of medical imaging device, sacculus is expanded expansion, make the expansion of coronary stricture position, increase myocardial flow, improve the myocardial blood circulation.
Consult shown in Figure 1, because human body coronary artery distal diameter is generally less than proximal diameter, and the sacculus interlude of the sacculus dilating catheter that uses at present is straight structure, this structural design is unreasonable, do not meet changing naturally of human vas internal diameter, and easily the coronary artery far-end is caused transition damage or adherent bad, cause the rack far end vascular restenosis.
Summary of the invention
It is a kind of rational in infrastructure that the purpose of this utility model is to provide, adherent effective taper sacculus dilating catheter, in the time that expandable stent can being improved or the transition that the blood vessel far-end is caused when directly using balloon expandable damage, reduce the probability that postoperative thrombosis or restenosis take place.
The technical solution adopted in the utility model: a kind of taper sacculus dilating catheter, comprise sacculus, conduit, female Luer, its sacculus is positioned at the conduit front portion, conduit connects female Luer or connects female Luer by pillar, be provided with interior pipe in the conduit, the sacculus far-end of sacculus and balloon proximal are the two ends cone section structure, and the interlude of described sacculus is the transition pyramidal structure.
The tapering diameter of described interlude one end and the tapering diameter of sacculus far-end are complementary, and the tapering diameter of the other end and the tapering diameter of balloon proximal are complementary.
The sacculus distal taper diameter of described sacculus is less than balloon proximal tapering diameter; The interlude of sacculus is apart from the tapering diameter of the balloon proximal tapering diameter greater than distance sacculus far-end; The angle of taper of sacculus far-end and balloon proximal two ends awl section is greater than the angle of taper of interlude.
The wall thickness of the sacculus far-end of described sacculus and balloon proximal two ends awl section is greater than the wall thickness 1～30% of interlude transition taper.
Pipe is gone up embedding or is with at least one development labelling in described, is arranged on the two ends vertebra section of sacculus far-end and balloon proximal and the intersection of interlude, and the length between two development labellings is suitable with the effective length behind the balloon expandable.
Offer a seal wire side mouth on the preceding body of described conduit, be provided with the flexible transition element of a band gradient or taper in the preceding body, this flexible transition element links with the back body.
The pipe tail end is connected on the side mouth of conduit in described, and the anterior preceding body through conduit of interior pipe enters sacculus, and the point outer rim of interior pipe connects sealing with the balloon tip of sacculus, and the balloon proximal of sacculus connects with the preceding body outer rim of conduit.
The back body front end of described conduit is the groove shape in gradient, peg graft with preceding body, or peg graft with preceding body, or rustless steel wire ring and the grafting of preceding body are set at the back body front end of stainless steel tube material at the groove of the back body front end welding one band gradient of metal tube material.
Pipe is for polymer composite in described, and promptly outer wall is that nylon and inwall are polyethylene, or outer wall is that modification of nylon (PEBAX) and inwall are polyethylene, or inner tube wall scribbles polyethylene coating.
The preceding body material of described conduit is modification of nylon (PEBAX), and back body is the metal tube that coated outside has macromolecular material, or is stainless steel tube, or back body outside suit high molecule plastic pipe or coating polytetrafluoroethylene (PTFE) coating.
The positive beneficial effect that this utility model had:
1. sacculus body two ends are pyramidal structure, and the tapering diameter of sacculus far-end is less than the tapering diameter of balloon proximal, meet the human vas internal diameter by nearly tapered variation naturally extremely far away, reduce traditional sacculus because the damage that overdistension causes far away section blood vessel, make the adherent effect of support better, reduce the probability that postoperative thrombosis or restenosis take place;
2. the sacculus interlude is a pyramidal structure, meets the human vas structure, meets the characteristics that coronary artery down attenuates gradually from aorta especially, when improving expandable stent greatly or directly the damage that blood vessel is caused during balloon expandable;
3. the wall thickness difference of sacculus, the wall thickness of its two ends awl section improve the expansion effect of sacculus greater than the wall thickness of middle part active section taper;
4. the angle of taper of sacculus two ends awl section can improve the performance of passing through that foley's tube passes through blood vessel or pathological changes greater than the angle of taper of middle part active section.
Description of drawings
Fig. 1 is existing straight sacculus structural representation;
Fig. 2 is this utility model structural representation;
Fig. 3 is a taper balloon structure sketch map of the present utility model.
The specific embodiment
Consult shown in Figure 2ly, a kind of taper sacculus dilating catheter mainly comprises parts such as sacculus 1, interior pipe 2, conduit 3, pillar 4, female Luer 5; Its sacculus 1 is a radial dilatation element coronarius, be positioned at the front portion of conduit 3, the two ends of sacculus 1 are taper, and the middle part is the transition taper, comprise sacculus far-end 101, balloon proximal 102, interlude 103, balloon tip 104, be overall shaped into one or heat seal and connect; Conduit 3 is a single lumen catheter, comprise relatively harder apart from the nearer preceding body 301 of balloon proximal 102 with relative more softish apart from balloon proximal 102 back body 302 far away, body 301 materials are modification of nylon (PEBAX) before described, described back body 302 has the metal tube of macromolecular material for coated outside, also can select for use stainless steel tube to make, also can or apply one deck polytetrafluoroethylene (PTFE) coating at back body 302 outside suit high molecule plastic pipes, when using to reduce to the frictional resistance of human body; Body 301 middle part suitable positions offer a seal wire side mouth 303 before described, are provided with a flexible transition element in the preceding body 301, do support as band gradient or cone-shaped metal silk 304, and the tail end of this tinsel 304 links with back body 302; Also can adopt the Front-end Design groove shape in gradient that prior art will back body 302, peg graft with preceding body 301, or the groove and 301 grafting of preceding body of being with gradient in the back body 302 front ends welding one of metal tube material, or the rustless steel wire ring being set and preceding body 301 is pegged graft at back body 302 front ends of stainless steel tube material, the length of described cone-shaped metal silk 304 and gradient groove or rustless steel wire ring is 50～300mm; Body 302 tail ends directly connect female Luer 5 in the back, or back body 302 tail ends connection pillar 4, connect female Luer 5 by pillar 4; Passage between described female Luer 5, pillar 4, back body 302, preceding body 301 and the interior pipe 2 constitutes topping up, the tapping passage of sacculus 1.
Consult shown in Figure 3, described sacculus 1 adopts half conforming materials, make as nylon or modification of nylon (PEBAX), perhaps the middle cone section adopts half compliant materials, two ends awl section adopts non-conforming materials, the sacculus far-end 101 of sacculus 1, the two ends cone section structure of balloon proximal 102 for having wide-angle, the length of its taper is 0.2～20mm, tapering is 20～80 degree, and the tapering diameter of sacculus far-end 101 is less than the tapering diameter of balloon proximal 102, above-mentioned tapering is meant the angle between the awl section centrage and the conical surface, the tapering diameter is meant the diameter after sacculus 1 expansion, the interlude 103 of sacculus 1 is the transition pyramidal structure, the transition length of its taper is 5～100mm, tapering is 0～30 degree, and the tapering diameter of interlude 103 1 ends is complementary with the tapering diameter of sacculus far-end 101 and connects, the tapering diameter of the other end is complementary with the tapering diameter of balloon proximal 102 and connects, after sacculus 1 expansion, the tapering diameter of interlude 103 is 1～10mm, and apart from the tapering diameter of the balloon proximal 102 tapering diameter greater than distance sacculus far-end 101, the angle of taper of sacculus far-end 101 and balloon proximal 102 two ends awl section is greater than the angle of taper of interlude 103; The wall thickness difference of described sacculus 1, the wall thickness of its two ends awl section is greater than the wall thickness 1～30% of interlude 103 transition tapers.
Work process of the present utility model: the top inner chamber of guiding wire from sacculus 1 penetrated, pass from seal wire side mouth 303; When needs are given sacculus 1 pressurization, the liquid of pressurization directly can be passed through female Luer 5, send into the inner chamber of back body 302 and the cavity between preceding body 301 and the interior pipe 2 and arrive sacculus 1, finish process of expansion to sacculus 1, diameter is at 1～10 millimeter after eight atmospheric pressure expansions for sacculus 1, and such sacculus burst pressure can surpass 20 atmospheric pressure.
Claims (10)
1. taper sacculus dilating catheter, comprise sacculus, conduit, female Luer, its sacculus is positioned at the conduit front portion, conduit connects female Luer or connects female Luer by pillar, be provided with interior pipe in the conduit, the sacculus far-end and the balloon proximal of sacculus are the two ends cone section structure, it is characterized in that the interlude (103) of described sacculus (1) is the transition pyramidal structure.
2. a kind of taper sacculus dilating catheter according to claim 1, it is characterized in that the tapering diameter of described interlude (103) one ends and the tapering diameter of sacculus far-end (101) are complementary, the tapering diameter of the tapering diameter of the other end and balloon proximal (102) is complementary.
3. a kind of taper sacculus dilating catheter according to claim 1, sacculus far-end (101) the tapering diameter that it is characterized in that described sacculus are less than balloon proximal (102) tapering diameter: the interlude (103) of sacculus (1) is apart from the tapering diameter of balloon proximal (102) the tapering diameter greater than distance sacculus far-end (101); The angle of taper of sacculus far-end (101) and balloon proximal (102) two ends awl section is greater than the angle of taper of interlude (103).
4. a kind of taper sacculus dilating catheter according to claim 1 is characterized in that the wall thickness 1～30% of the wall thickness of the sacculus far-end (101) of described sacculus (1) and balloon proximal (102) two ends awl section greater than interlude (103) transition taper.
5. a kind of taper sacculus dilating catheter according to claim 1, it is characterized in that the last embedding of described interior pipe (2) or be with at least one development labelling (201), be arranged on the two ends vertebra section of sacculus far-end (101) and balloon proximal (102) and the intersection of interlude (103), the effective length after length between two development labellings (210) and sacculus (1) expansion is suitable.
6. a kind of taper sacculus dilating catheter according to claim 1, it is characterized in that offering a seal wire side mouth (303) on the preceding body (301) of described conduit (3), be provided with the flexible transition element of a band gradient or taper in the preceding body (301), this flexible transition element links with back body (302).
7. according to claim 1 or 6 described a kind of taper sacculus dilating catheters, it is characterized in that described interior pipe (2) tail end is connected on the side mouth (303) of conduit (3), the anterior preceding body (301) through conduits (3) of interior pipe (2) enters sacculus (1), the point outer rim of interior pipe (2) connects sealing with the balloon tip (104) of sacculus (1), and the balloon proximal (102) of sacculus (1) connects with preceding body (301) outer rim of conduit (3).
8. a kind of taper sacculus dilating catheter according to claim 1, back body (302) front end that it is characterized in that described conduit (3) is the groove shape in gradient, peg graft with preceding body (301), or peg graft with preceding body (301), or rustless steel wire ring and preceding body (301) grafting are set at back body (302) front end of stainless steel tube material at the groove of back body (302) front end of metal tube material welding one band gradient.
9. a kind of taper sacculus dilating catheter according to claim 1, it is characterized in that described interior pipe (2) is polymer composite, be that outer wall is that nylon and inwall are polyethylene, or outer wall is that modification of nylon and inwall are polyethylene, or interior pipe (2) inwall scribble polyethylene coating.
10. a kind of taper sacculus dilating catheter according to claim 1, preceding body (301) material that it is characterized in that described conduit (3) is a modification of nylon, back body (302) has the metal tube of macromolecular material for coated outside, or be stainless steel tube, or back body (302) outside suit high molecule plastic pipe or coating polytetrafluorethylecoatings coatings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201900544U CN201135683Y (en) | 2007-11-07 | 2007-11-07 | Conical saccule dilating catheter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201900544U CN201135683Y (en) | 2007-11-07 | 2007-11-07 | Conical saccule dilating catheter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201135683Y true CN201135683Y (en) | 2008-10-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201900544U Expired - Lifetime CN201135683Y (en) | 2007-11-07 | 2007-11-07 | Conical saccule dilating catheter |
Country Status (1)
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|---|---|
| CN (1) | CN201135683Y (en) |
Cited By (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101947350A (en) * | 2010-10-27 | 2011-01-19 | 上海硕创生物医药科技有限公司 | Eccentric hollow balloon catheter |
| CN102764476A (en) * | 2010-07-09 | 2012-11-07 | 同济大学 | Ostomy system |
| CN102793962A (en) * | 2012-07-20 | 2012-11-28 | 易生科技(北京)有限公司 | Balloon dilatation catheter |
| CN103055411A (en) * | 2013-01-25 | 2013-04-24 | 业聚医疗器械(深圳)有限公司 | Balloon catheter and manufacturing method thereof |
| CN103055412A (en) * | 2013-01-25 | 2013-04-24 | 湖南埃普特医疗器械有限公司 | Balloon catheter for coronary artery balloon dilatation and preparation method of balloon catheter |
| CN103191509A (en) * | 2012-01-05 | 2013-07-10 | 株式会社戈德曼 | Conduit and manufacturing method of conduit |
| CN103316417A (en) * | 2013-06-08 | 2013-09-25 | 周玉杰 | Cone-shaped balloon dilatation catheter |
| CN103330605A (en) * | 2013-03-15 | 2013-10-02 | 杭州启明医疗器械有限公司 | Sheath core and interventional device conveying system comprising same |
| CN103356251A (en) * | 2013-07-31 | 2013-10-23 | 中国人民解放军第三军医大学第二附属医院 | Anchoring ball sac in coronary stent |
| CN103656836A (en) * | 2012-09-19 | 2014-03-26 | 复旦大学附属华山医院 | Magnetic-compatible non-detachable latex balloon catheter |
| CN103949006A (en) * | 2014-04-15 | 2014-07-30 | 上海市第六人民医院 | Coronary artery dilating catheter carrying ligustrazine nanoparticles |
| CN104244816A (en) * | 2011-11-22 | 2014-12-24 | 阿森松技术公司 | Tracking a guidewire |
| CN104984461A (en) * | 2015-07-10 | 2015-10-21 | 乐普（北京）医疗器械股份有限公司 | Thrombus aspiration catheter |
| CN105536123A (en) * | 2016-02-18 | 2016-05-04 | 仇汉诚 | Balloon catheter |
| CN105771069A (en) * | 2016-05-27 | 2016-07-20 | 心凯诺医疗科技(上海)有限公司 | Novel balloon dilatation catheter |
| CN106880428A (en) * | 2017-03-28 | 2017-06-23 | 上海百心安生物技术有限公司 | A kind of bioabsorbable stent system and method |
| CN107007922A (en) * | 2017-03-28 | 2017-08-04 | 广州启骏生物科技有限公司 | A kind of nasal sinus balloon expandable and therapeutic system |
| CN107224659A (en) * | 2016-03-25 | 2017-10-03 | 遵义医学院附属医院 | Superior vena cava intubation expansion seal wire |
| WO2018019164A1 (en) * | 2016-07-29 | 2018-02-01 | 孙英贤 | Balloon catheter with balloon with two asymmetrical ends |
| WO2018019165A1 (en) * | 2016-07-29 | 2018-02-01 | 孙英贤 | Stent delivery system |
| CN108339186A (en) * | 2018-04-28 | 2018-07-31 | 上海脉全医疗器械有限公司 | A kind of intervention sacculus |
| CN108578879A (en) * | 2018-05-17 | 2018-09-28 | 首都医科大学附属北京友谊医院 | A kind of children's reducing sacculus dilating catheter |
| CN108738314A (en) * | 2016-03-30 | 2018-11-02 | 国立大学法人神户大学 | Tilt expansion type foley's tube and sacculus pedestal |
| CN109192034A (en) * | 2018-10-26 | 2019-01-11 | 刘林 | A kind of controllable spinal cord injury model device and making and use method |
| CN109331322A (en) * | 2018-11-16 | 2019-02-15 | 北京久事神康医疗科技有限公司 | Encephalic sacculus dilating catheter |
| CN109745145A (en) * | 2019-01-29 | 2019-05-14 | 王赞鑫 | Initiative pulse support blood vessel system and application method of the top with sacculus |
| CN113018655A (en) * | 2021-04-14 | 2021-06-25 | 鼎科医疗技术（苏州）有限公司 | Progressive expansion balloon |
| CN114225189A (en) * | 2021-12-31 | 2022-03-25 | 上海爱声生物医疗科技有限公司 | Internal imaging balloon catheter |
-
2007
- 2007-11-07 CN CNU2007201900544U patent/CN201135683Y/en not_active Expired - Lifetime
Cited By (38)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102764476A (en) * | 2010-07-09 | 2012-11-07 | 同济大学 | Ostomy system |
| CN101947350A (en) * | 2010-10-27 | 2011-01-19 | 上海硕创生物医药科技有限公司 | Eccentric hollow balloon catheter |
| CN104244816A (en) * | 2011-11-22 | 2014-12-24 | 阿森松技术公司 | Tracking a guidewire |
| CN103191509B (en) * | 2012-01-05 | 2017-03-01 | 株式会社戈德曼 | Conduit and the manufacture method of conduit |
| CN103191509A (en) * | 2012-01-05 | 2013-07-10 | 株式会社戈德曼 | Conduit and manufacturing method of conduit |
| CN102793962A (en) * | 2012-07-20 | 2012-11-28 | 易生科技(北京)有限公司 | Balloon dilatation catheter |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Beijing Tiandihexie Technology Co., Ltd. Assignor: Lepu (Beijing) Medical Equipment Co.,Ltd. Contract record no.: 2010990000499 Denomination of utility model: Conical balloon dilatation catheter Granted publication date: 20081022 License type: Exclusive License Record date: 20100709 |
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| CX01 | Expiry of patent term |
Granted publication date: 20081022 |