CN204147401U - A kind of foley's tube with spinous process - Google Patents
A kind of foley's tube with spinous process Download PDFInfo
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- CN204147401U CN204147401U CN201420413208.1U CN201420413208U CN204147401U CN 204147401 U CN204147401 U CN 204147401U CN 201420413208 U CN201420413208 U CN 201420413208U CN 204147401 U CN204147401 U CN 204147401U
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- sacculus
- tube
- foley
- spinous process
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Abstract
This utility model is applicable to technical field of medical instruments, provide a kind of foley's tube with spinous process, comprise the base be tightly connected successively, near-end body, far-end outer tube, sacculus and most advanced and sophisticated body, described sacculus, far-end outer tube, near-end body is communicated to base successively and forms pressure chamber, the interior pipe run through for guiding wire is provided with in described far-end outer tube and sacculus, the end of described interior pipe docks with described most advanced and sophisticated body, the outer surface of described sacculus is provided with at least three spinous process extended along length of balloon direction, described spinous process and described sacculus adopt identical elastomeric material one-body molded.The foley's tube that this utility model provides by sacculus and spinous process one-body molded, all there is elasticity, flap memory performance is excellent, appearance profile is less, convenient by narrow or severe bends diseased region, and withdraw effective, proximal vessel can not be caused to damage, be particularly suitable for treating serious angulation pathological changes.Sacculus can bear larger pressure simultaneously, and safety is good.
Description
Technical field
This utility model belongs to interventional medical device technical field, particularly a kind of foley's tube with spinous process.
Background technology
Percutaneous tranluminal coronary angioplasty is the effective ways of coronary heart disease myocardial revascularization, but in percutaneous tranluminal coronary angioplasty, the problem of acute vascular complications and postoperative restenosis limits its extensive use clinically.Prior art has the common sacculus of employing to carry out transluminal coronary angioplasty, by sacculus, mechanicalness extruding is carried out to blood vessel, cause speckle cracked brokenly and tube chamber is increased, but being easy to be formed that serious inner membrance is torn, interlayer like this, the incidence rate of Acute vessel closure is up to 2% ~ 10%.In addition, can the hyperplasia of stimulating endothelial and smooth muscle cell to the major injury of blood vessel wall, finally cause vascular restenosis.Adopt the restenosis rate about 25% ~ 40% after common balloon expandable coronary artery.
In order to solve the problem, prior art proposes again a kind of Cutting balloon, its utilization in percutaneous tranluminal coronary angioplasty especially serves important function in the interventional therapy of thin vessels and in-stent restenosis, has become the essential therapeutic arsenals for the treatment of of instent restenosis.Adopt Cutting balloon expansion inner membrance tear incidence rate, half a year restenosis incidence rate and 9 months clinical events incidence rates be all starkly lower than common sacculus.Existing Cutting balloon is mainly non-compliance sacculus, and it arranges 3 ~ 4 cutting blades on the surface of sacculus, and blade stretches out surperficial a few tenths of a mm, and stringer is embedded in balloon wall.But because its appearance profile is larger, be not suitable for for serious angulation pathological changes, and sacculus withdraws bad after expansion, when pathological changes proximal vessel severe bends, withdraw in sacculus process and likely cause proximal vessel to damage, repeatedly Repeated expansion and comparatively large to the damage of blood vessel when withdrawing, and the expansion of larger pressure can not be born.
Utility model content
The purpose of this utility model is to provide a kind of foley's tube with spinous process, is intended to solve existing foley's tube appearance profile comparatively large, is not suitable for the pathological changes that seriously strikes a bargain, and withdraws bad, large to blood vessel injury problem after expansion.
This utility model realizes like this, a kind of foley's tube with spinous process, comprise the base be tightly connected successively, near-end body, far-end outer tube, sacculus and most advanced and sophisticated body, described sacculus, far-end outer tube, near-end body is communicated to base successively and forms pressure chamber, the interior pipe run through for guiding wire is provided with in described far-end outer tube and sacculus, the end of described interior pipe docks with described most advanced and sophisticated body, the outer surface of described sacculus is provided with at least three spinous process with flexibility extended along length of balloon direction, described spinous process and described sacculus adopt identical elastomeric material one-body molded.
As optimal technical scheme of the present utility model:
Described sacculus comprises cylindric pars intermedia and the end of two tapers; Described spinous process is positioned at described pars intermedia and length direction along pars intermedia is arranged; The end of described two tapers is connected with far-end outer tube and most advanced and sophisticated body respectively.
Described guiding wire stretches into interior pipe from the position of described far-end outer tube away from sacculus and extends to most advanced and sophisticated body.
The part that described interior pipe is arranged in described sacculus is provided with developing mark ring.
Described spinous process is blade-like, and its cross section is triangle, wedge shape, rectangle or trapezoidal.
Described spinous process is zigzag, and its surface scribbles medicine.
Described spinous process has 3, is uniformly distributed in the outer surface of sacculus, and described sacculus adopts three lobe flap structure.
Described base is the base with female Luer.
The outer surface of described near-end body is provided with lubricant coating.
Described most advanced and sophisticated body has the tip of taper, and the hardness of described most advanced and sophisticated body is less than the hardness of interior pipe.
The foley's tube that this utility model provides by sacculus and spinous process one-body molded, all there is elasticity, flap memory performance is excellent, spinous process can be compressed with sacculus, curling etc., what the appearance profile of sacculus entirety can be done is very little, convenient by diseased region that is narrow or severe bends, and withdraws effective, proximal vessel can not be caused to damage, be particularly suitable for treating serious angulation pathological changes.Meanwhile, when sacculus bears larger pressure, spinous process also can not damage sacculus, and safety is good.This foley's tube is that the expansion of lesion vessels provides more effective treatment means.
Accompanying drawing explanation
Fig. 1 is the structural representation of the foley's tube that this utility model embodiment provides;
Fig. 2 is the enlarged drawing of a-quadrant in Fig. 1;
Fig. 3 is the side view of sacculus in the foley's tube that provides of this utility model embodiment;
Fig. 4 is the partial schematic diagram of the another kind of structure of the foley's tube that this utility model embodiment provides.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, this utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain this utility model, and be not used in restriction this utility model.
Below in conjunction with specific embodiment, specific implementation of the present utility model is described in detail:
Refer to Fig. 1 ~ Fig. 3, this utility model embodiment provides a kind of foley's tube with spinous process, it comprises the base 1, near-end body 2, far-end outer tube 3, sacculus 4 and the most advanced and sophisticated body 5 that are tightly connected successively, wherein, base 1 is preferably the base of band female Luer, its near-end body 2, far-end outer tube 3, sacculus 4 and most advanced and sophisticated body 5 all have certain elasticity or flexibility, so that run at Ink vessel transfusing.One end of near-end body 2 is connected to base 1, and the other end connects far-end outer tube 3, and the other end of far-end outer tube 3 connects sacculus 4.Be provided with the interior pipe 6 run through for guiding wire 7 in far-end outer tube 3 and sacculus 4, interior pipe 6 opening can be arranged on far-end outer tube 3 tube wall on and away from sacculus 4.The end of interior pipe 6 docks with most advanced and sophisticated body 5, and form inner chamber and provide space for the activity of guiding wire 7, guiding wire 7 stretches into from interior tube opening end, and extends to most advanced and sophisticated body 5 along interior pipe 6.Sacculus 4, far-end outer tube 3, near-end body 2 are communicated to base 1 successively and constitute airtight pressure chamber.In addition, the outer surface of sacculus 4 is provided with at least three spinous process 8 extended along length of balloon direction, and this spinous process 8 and sacculus 4 adopt identical elastomeric material one-body molded.
In the present embodiment, usually lubricant coating is scribbled at the outer surface of near-end body 2, lubricant coating mainly adopts politef or polyvinylpyrrolidone, and lubricant coating is mainly used in reducing near-end body 2 and is entering and withdrawing from the frictional resistance produced in the process of human vas.
During use, guiding wire 7 on far-end outer tube 3 in tube opening end stretch into interior pipe 6, and extend to most advanced and sophisticated body 5, sacculus 4 is guided to move to diseased region in the blood vessel, exerted pressure to pressure chamber by outside decompressor, sacculus 4 is expanded, and the speckle of diseased region cuts along the expansion direction of sacculus 4 by spinous process 8.Treat the contraction of rear pumpback sacculus 4 to withdraw.
Because spinous process 8 and sacculus 4 adopt identical elastomeric material one-body molded, spinous process 8 is the same with sacculus 4 has flexibility, spinous process 8 can be compressed with sacculus 4, curling etc., what the appearance profile of sacculus entirety can be done is very little, convenient by diseased region that is narrow or severe bends, and withdraw effective after balloon expandable, proximal vessel can not be caused to damage, be particularly suitable for treating serious angulation pathological changes.Meanwhile, because spinous process 8 and sacculus 4 are integrated and have elasticity, when sacculus 4 bears larger pressure, spinous process 8 also can not damage sacculus 4 and blood vessel, and safety is good.This foley's tube is that the expansion of lesion vessels provides more effective treatment means.
With further reference to Fig. 2, sacculus 4 can comprise cylindric pars intermedia 41 and the end 42 of two tapers, and spinous process 8 is positioned at pars intermedia 41 and length direction along pars intermedia 41 is arranged; The end 42 of two tapers is connected with far-end outer tube 3 and most advanced and sophisticated body 5 respectively.In addition, spinous process 8 is preferably uniformly distributed in the surface of pars intermedia 41.As Fig. 3, as a kind of implementation, spinous process 8 can arrange 3, and this sacculus 4 adopts three lobe flap structure, and when balloon expandable withdraws, with three spinous process 8 for reference point shrinks, sacculus 7 shrinks rear external diameter and reaches minimum and then withdraw from blood vessel smoothly.
In the present embodiment, each connecting portion mainly adopts heat seal bonding.Sacculus 4 and spinous process 8 can adopt soft resin material to make, the flap structure of sacculus 4 is carried out at certain temperature and process conditions, makes the folding memory performance of sacculus 4 excellent, after dilation repeatedly, still can maintain original folding dress lobe number, there is good memory performance.
With further reference to Fig. 2, most advanced and sophisticated body 5 has the tip of taper, be convenient to stretch into blood vessel and run in the blood vessel, and the hardness of most advanced and sophisticated body 5 is preferably less than the hardness of interior pipe 6, can better and guiding wire 7 fit, more easily pass through bending pathological changes.
With further reference to Fig. 1, in order to the track following the tracks of sacculus 4 determines its position in the blood vessel, the part that can be arranged in sacculus 4 at interior pipe 6 arranges developing mark ring 9.In the present embodiment, developing mark ring 9 arranges two, can certainly be one or more.
In the present embodiment, spinous process 8 can be blade-like, and its cross section is triangle, wedge shape, rectangle or trapezoidal, as Fig. 3.Also can be zigzag, as Fig. 4, can reduce sacculus 4 in process of expansion with vascular plaque slippage may, the medicines such as anti-neointimal hyperplasia, anti-inflammatory and antithrombotic can be scribbled on its surface simultaneously, while sacculus 4 cuts pathological changes the drag residence carried at diseased region, for vascular treatment plays better therapeutic effect.
The foley's tube that this utility model provides by sacculus and spinous process one-body molded, all there is elasticity, flap memory performance is excellent, with traditional non-integral structure and compared with the cutting catheter adopting hard blade, appearance profile is less, withdraw effective, be convenient to through narrow and small or bending diseased region, and withdraw in process and can not injure proximal tissue, larger pressure can be born simultaneously, this foley's tube is specially adapted to serious angulation pathological changes, and vasodilatory effects is good and safety is good.
The foregoing is only preferred embodiment of the present utility model; not in order to limit this utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. the foley's tube with spinous process, it is characterized in that, comprise the base, near-end body, far-end outer tube, sacculus and the most advanced and sophisticated body that are tightly connected successively, described sacculus, far-end outer tube, near-end body are communicated to base successively and form pressure chamber, the interior pipe run through for guiding wire is provided with in described far-end outer tube and sacculus, the end of described interior pipe docks with described most advanced and sophisticated body, the outer surface of described sacculus is provided with at least three spinous process extended along length of balloon direction, and described spinous process and described sacculus adopt identical elastomeric material one-body molded.
2. foley's tube as claimed in claim 1, is characterized in that, described sacculus comprises cylindric pars intermedia and the end of two tapers; Described spinous process is positioned at described pars intermedia and length direction along pars intermedia is arranged; The end of described two tapers is connected with far-end outer tube and most advanced and sophisticated body respectively.
3. foley's tube as claimed in claim 1, it is characterized in that, described guiding wire stretches into interior pipe from the position of described far-end outer tube away from sacculus and extends to most advanced and sophisticated body.
4. foley's tube as claimed in claim 1, it is characterized in that, the part that described interior pipe is arranged in described sacculus is provided with developing mark ring.
5. foley's tube as claimed in claim 1, it is characterized in that, described spinous process is blade-like, and its cross section is triangle, wedge shape, rectangle or trapezoidal.
6. foley's tube as claimed in claim 1, it is characterized in that, described spinous process is zigzag, and its surface scribbles medicine.
7. foley's tube as claimed in claim 1, it is characterized in that, described spinous process has 3, is uniformly distributed in the outer surface of sacculus, and described sacculus adopts three lobe flap structure.
8. foley's tube as claimed in claim 1, it is characterized in that, described base is the base with female Luer.
9. foley's tube as claimed in claim 1, it is characterized in that, the outer surface of described near-end body is provided with lubricant coating.
10. foley's tube as claimed in claim 1, it is characterized in that, described most advanced and sophisticated body has the tip of taper, and the hardness of described most advanced and sophisticated body is less than the hardness of interior pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420413208.1U CN204147401U (en) | 2014-07-24 | 2014-07-24 | A kind of foley's tube with spinous process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420413208.1U CN204147401U (en) | 2014-07-24 | 2014-07-24 | A kind of foley's tube with spinous process |
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| Publication Number | Publication Date |
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| CN204147401U true CN204147401U (en) | 2015-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420413208.1U Active CN204147401U (en) | 2014-07-24 | 2014-07-24 | A kind of foley's tube with spinous process |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104998341A (en) * | 2015-06-05 | 2015-10-28 | 乐普（北京）医疗器械股份有限公司 | Cutting balloon |
| CN105771067A (en) * | 2016-03-29 | 2016-07-20 | 中国人民解放军第二军医大学 | Low limit contact type high-pressure balloon |
| CN107616862A (en) * | 2016-07-14 | 2018-01-23 | 上海微创医疗器械（集团）有限公司 | Medical balloon and preparation method thereof |
| CN107669382A (en) * | 2017-11-08 | 2018-02-09 | 王子亮 | Foley's tube conveying device is used in a kind of entocranial artery shaping |
| CN110115610A (en) * | 2019-02-02 | 2019-08-13 | 张嘉 | A kind of orthopaedics sacculus and orthopaedics balloon apparatus with spinous process |
| CN113613702A (en) * | 2019-03-28 | 2021-11-05 | 株式会社钟化 | Balloon catheter |
| CN114712671A (en) * | 2022-04-13 | 2022-07-08 | 四川大学华西医院 | Double-layer spinous process balloon catheter carrying medicine |
| CN114768057A (en) * | 2022-04-09 | 2022-07-22 | 四川大学华西医院 | Cutting sacculus pipe of medicine carrying |
| CN114796810A (en) * | 2022-04-12 | 2022-07-29 | 四川大学华西医院 | Cutting sacculus pipe of medicine carrying |
| CN115154854A (en) * | 2022-04-11 | 2022-10-11 | 四川大学华西医院 | Double-layer medicine-carrying balloon catheter |
-
2014
- 2014-07-24 CN CN201420413208.1U patent/CN204147401U/en active Active
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104998341A (en) * | 2015-06-05 | 2015-10-28 | 乐普（北京）医疗器械股份有限公司 | Cutting balloon |
| CN104998341B (en) * | 2015-06-05 | 2019-03-05 | 乐普（北京）医疗器械股份有限公司 | A kind of Cutting balloon |
| CN105771067A (en) * | 2016-03-29 | 2016-07-20 | 中国人民解放军第二军医大学 | Low limit contact type high-pressure balloon |
| CN107616862A (en) * | 2016-07-14 | 2018-01-23 | 上海微创医疗器械（集团）有限公司 | Medical balloon and preparation method thereof |
| CN107669382A (en) * | 2017-11-08 | 2018-02-09 | 王子亮 | Foley's tube conveying device is used in a kind of entocranial artery shaping |
| CN110115610A (en) * | 2019-02-02 | 2019-08-13 | 张嘉 | A kind of orthopaedics sacculus and orthopaedics balloon apparatus with spinous process |
| CN113613702A (en) * | 2019-03-28 | 2021-11-05 | 株式会社钟化 | Balloon catheter |
| CN114768057A (en) * | 2022-04-09 | 2022-07-22 | 四川大学华西医院 | Cutting sacculus pipe of medicine carrying |
| CN114768057B (en) * | 2022-04-09 | 2023-08-15 | 四川大学华西医院 | Medicine-carrying cutting balloon catheter |
| CN115154854A (en) * | 2022-04-11 | 2022-10-11 | 四川大学华西医院 | Double-layer medicine-carrying balloon catheter |
| CN115154854B (en) * | 2022-04-11 | 2023-08-15 | 四川大学华西医院 | Double-layer medicine carrying balloon catheter |
| CN114796810A (en) * | 2022-04-12 | 2022-07-29 | 四川大学华西医院 | Cutting sacculus pipe of medicine carrying |
| CN114712671A (en) * | 2022-04-13 | 2022-07-08 | 四川大学华西医院 | Double-layer spinous process balloon catheter carrying medicine |
| CN114712671B (en) * | 2022-04-13 | 2023-04-07 | 四川大学华西医院 | Double-layer spinous process balloon catheter carrying medicine |
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