CN201263727Y - Single lumen balloon catheter for treating chronic total coronary occlusion pathological change - Google Patents
Single lumen balloon catheter for treating chronic total coronary occlusion pathological change Download PDFInfo
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- CN201263727Y CN201263727Y CN 200820122534 CN200820122534U CN201263727Y CN 201263727 Y CN201263727 Y CN 201263727Y CN 200820122534 CN200820122534 CN 200820122534 CN 200820122534 U CN200820122534 U CN 200820122534U CN 201263727 Y CN201263727 Y CN 201263727Y
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- sacculus
- conduit
- tube
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- foley
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- 230000001684 chronic effect Effects 0.000 title claims abstract description 15
- 230000036285 pathological change Effects 0.000 title claims description 14
- 231100000915 pathological change Toxicity 0.000 title claims description 14
- 208000001778 Coronary Occlusion Diseases 0.000 title 1
- 206010011086 Coronary artery occlusion Diseases 0.000 title 1
- 210000004351 coronary vessel Anatomy 0.000 claims abstract description 8
- 239000007788 liquid Substances 0.000 claims description 24
- 238000007789 sealing Methods 0.000 claims description 9
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 102000029749 Microtubule Human genes 0.000 abstract 1
- 108091022875 Microtubule Proteins 0.000 abstract 1
- 210000004688 microtubule Anatomy 0.000 abstract 1
- 208000019802 Sexually transmitted disease Diseases 0.000 description 8
- 210000004204 blood vessel Anatomy 0.000 description 5
- 238000013146 percutaneous coronary intervention Methods 0.000 description 5
- 230000008602 contraction Effects 0.000 description 4
- 230000000916 dilatatory effect Effects 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000004523 agglutinating effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000002586 coronary angiography Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 208000037803 restenosis Diseases 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
- 230000002792 vascular Effects 0.000 description 1
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Abstract
The utility model provides a single-lumen sacculus conduit for treating coronary artery chronic total occlusion (CTO). The single-lumen sacculus conduit is characterized in that a sacculus expanding conduit sleeved outside a guide wire is provided with only one lumen, which is not only the lumen for the guide wire to pass through, but also is a sacculus expanding lumen, and the diameter of the sacculus can be smaller. Based on characteristics of the self structure, the utility model reduces the diameter of the CTO sacculus in a great degree, and causes the diameter of a sacculus tube to be the same as that of a microtubule so that the sacculus tube can easily pass through a CTP position.
Description
Technical field
This utility model relates to a kind of medical foley's tube, specifically, is a kind of single-lumen foley's tube that becomes by the chronic sexually transmitted disease (STD) of entirely shutting of interventional method treatment coronary artery.
Background technology
Coronary artery is chronic to entirely shut (Chronic Total Occlusions, CTO) pathological changes accounts for 1/3 of whole coronary angiographies, but accept percutaneous coronary intervention (pci) (Percutaneous CoronaryIntervention, PCI) person is less than 8%, accounts for 10%～20% of whole PCI cases.It is the technical difficult point that exists that the CTO pathological changes is accepted PCI ratio main cause on the low side, and its postoperative is inaccessible again and restenosis incidence rate height.
Current, mainly come pathological changes in the operation, but still having 80% CTO interventional therapy loser is that guiding wire can not pass through pathological changes by CTO with CTO seal wire and microtubular.And foley's tube also is difficult to by the CTO pathological changes because size and diameter are bigger.Generally speaking, the blood vessel that the chronic sexually transmitted disease (STD) of entirely shutting becomes takes place, not only blood vessel diameter is little, but also very crooked.This possesses little, the soft easy premium properties with vascular bending of diameter with regard to the medical apparatus and instruments that requires to get involved.So if want to adopt foley's tube to come the pathological changes by CTO, this just requires the CTO sacculus to have identical diameter with microtubular, less than 3f, even between 1.5-2.5f.; the foley's tube of prior art has two tube chambers; be used for dilating sacculus and by guiding wire respectively, therefore the refinement of the diameter of whole foley's tube is restricted, so foley's tube can not be used for the treatment of the chronic pathological changes of entirely shutting of coronary artery in the prior art.
The purpose of this utility model provides and a kind ofly passes through the CTO diseased region easily, reduces the minor diameter foley's tube that blood vessel wall is damaged, and to overcome the defective that prior art exists, satisfies the needs that the chronic sexually transmitted disease (STD) of entirely shutting of treatment becomes.
The utility model content
This utility model provides a kind of single-lumen foley's tube that is used for the treatment of the chronic pathological changes of entirely shutting of coronary artery (CTO), balloon diameter is little, maneuverability is fine, be easy to pass through the CTO diseased region, minimizing damages blood vessel wall, has solved the technical problem that adopts the chronic sexually transmitted disease (STD) of entirely shutting of foley's tube treatment to become.
To achieve these goals, this utility model provides a kind of single-lumen foley's tube that is used for the treatment of the chronic pathological changes of entirely shutting of coronary artery (CTO), it is characterized in that, comprise: sacculus, be arranged on the far-end of described foley's tube, the injection of the liquid by inside and discharging are expanded and are shunk; Conduit, the inwall of its outer wall and described sacculus end bonds together; Breeches joint is arranged on the near-end of described foley's tube, is used for injecting in described conduit described liquid; And guiding wire, the inside of running through whole described conduit and described sacculus, pass from the far-end of described conduit and described sacculus, wherein said conduit has only a tube chamber, is used for passing through and injecting liquid to described sacculus of described guiding wire, is provided with the hermetic unit of diameter greater than the end near the far-end of described guiding wire, by the distal seal of this part with described sacculus, and the near-end inwall of described conduit is provided with sealing member, prevents that described liquid from flowing out from the near-end of described conduit.
In addition, optimal way of the present utility model is, described conduit runs through the inside of whole described sacculus, the tube wall of the described conduit of described sacculus inside is provided with a plurality of holes, described liquid injects described sacculus inside by described a plurality of holes, and described guiding wire seals the far-end of described sacculus by the far-end that seals described conduit.
In addition, optimal way of the present utility model is, described conduit enters the part of described sacculus, also be provided with second conduit of diameter in the described sacculus less than described conduit, the inwall of the outer wall of the far-end of this second conduit and the far-end of described sacculus bonds together, the far-end of near-end and described conduit is opposed, described guiding wire runs through described conduit and described second conduit, and described hermetic unit seals the far-end of described sacculus by the far-end that seals described second conduit.
In addition, optimal way of the present utility model is that described conduit is a microtubular.
In addition, optimal way of the present utility model is that described hermetic unit is the globe valve of projection.
In addition, optimal way of the present utility model is that the end of described guiding wire has certain tapering, forms described hermetic unit by this tapering root partly.
In addition, optimal way of the present utility model is that described sacculus is the enhancement mode sacculus.
In addition, optimal way of the present utility model is to be provided with " O " RunddichtringO in the far-end of described conduit.
Advantage of the present utility model is:
Sacculus dilating catheter of the present utility model has only a tube chamber, the shared tube chamber of tube chamber that seal wire passes through and balloon expandable tube chamber, so balloon diameter can be done smallerly, the diameter of foley's tube is identical with microtubular, less than 3f, even between 1.5-2.5f, this has improved the ability that foley's tube passes through the CTO diseased region to a great extent.
This utility model has reduced the diameter of sacculus largely based on the feature of self structure, has improved the ability that foley's tube passes through the CTO diseased region, therefore has very big using value and application prospect.
Description of drawings
Fig. 1 is the profilograph of a kind of single-lumen foley's tube of the present utility model;
Fig. 2 is the enlarged drawing of single-lumen balloon catheter proximal end shown in Figure 1;
Fig. 3 is the drawing in side sectional elevation of single-lumen foley's tube shown in Figure 1;
Fig. 4 is for cutting the drawing in side sectional elevation of single-lumen foley's tube shown in Figure 1 open from the A-A of Fig. 1;
The profilograph of the sacculus part that Fig. 5 leads for another kind of single-lumen sacculus of the present utility model;
Fig. 6 is the profilograph of another single-lumen foley's tube of the present utility model;
The specific embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with the accompanying drawings and the specific embodiments this utility model is described in detail.
Fig. 1 is the profilograph of a kind of single-lumen foley's tube of the present utility model.Fig. 2 is the enlarged drawing of single-lumen balloon catheter proximal end shown in Figure 1.
As figure, single-lumen foley's tube 100 comprises: sacculus 103, be arranged on the far-end of described foley's tube, and the injection of the liquid by inside and discharging are expanded and are shunk; Conduit 102 runs through the inside of sacculus, and the inwall of its outer wall and described sacculus end bonds together; Breeches joint 101 is arranged on the near-end of foley's tube, is used for injecting in the conductive pipe liquid; And guiding wire 200, run through whole conduit and sacculus inside, wherein, conduit has only a tube chamber, is used for passing through and injecting liquid to sacculus of guiding wire, is provided with the hermetic unit 201 of diameter greater than the end near the far-end of seal wire, by the distal seal of this part with conduit, thereby the far-end of sealing sacculus, and the near-end inwall of conduit is provided with sealing member 104, prevents that described liquid from flowing out from the near-end of described conduit.In the present embodiment, sealing member 104 is conical rubber seal, and the outer wall of its root and the inwall of distal end of catheter bond together, and the inwall at its top is close on the guiding wire.
Guiding wire passes from conduit head end 105, and the conduit of sacculus inside is provided with the point 106 that develops, wherein, on the tube wall of the conduit in the sacculus a plurality of holes 107 are arranged, liquid enters sacculus by one or more holes and finishes balloon expandable, by the pumpback syringe pump, form vacuum, sacculus is shunk.Because guiding wire tube chamber and the shared tube chamber of expansion tube chamber, this tube chamber generally speaking of walking at guiding wire is inc, so guiding wire will carry out special handling, (distance apart from the end is 1-5cm in the present embodiment) locates the hermetic unit (in the present embodiment be globe valve) 201 of a diameter greater than the guiding wire diameter near wire distal, after conduit arrives diseased region, guiding wire returns in conduit to be removed or conduit moves ahead in guiding wire, foley's tube tube chamber far-end is sealed, this single lumen catheter forms closure, liquid will flow according to direction as shown, and enter sacculus by the micropore on the body of rod tube wall in the sacculus 107, make inflation and contraction.
Fig. 3 is the drawing in side sectional elevation of single-lumen foley's tube shown in Figure 1.As figure, foley's tube has only a tube chamber, is the tube chamber of guiding wire, also is the balloon expandable tube chamber, balloon expandable liquid flows by the gap between foley's tube 102 inner chambers and the guiding wire 200, and wherein liquid is the side mouth injection by Y-type joint 101.
Fig. 4 is for cutting the drawing in side sectional elevation of single-lumen foley's tube open from the A-A of Fig. 1.As shown in the figure, porose 107 on the tube wall of the conduit in the sacculus, liquid enters by these holes 107 or flows out sacculus 103, thereby finishes the expansion and the contraction of sacculus 103.Can there be 1-12 equally distributed hole in hole 107 on the tube wall of the conduit in the sacculus along circumferencial direction, and 1-100 equally distributed hole alongst can be arranged.These holes also can uneven distribution.The hole can be circular, also can be other any shape.
The profilograph of the sacculus part that Fig. 5 leads for another kind of single-lumen sacculus of the present utility model is to realize the closed another kind of mode of single-lumen foley's tube inner chamber, and other parts of foley's tube 300 are identical with part shown in Figure 1.As figure, guiding wire 400 far-ends are processed into the shape of certain taper, the distal lumen of conduit 301 has the sealing ring of an O type circle 304 as foley's tube, when returning in conduit, guiding wire 400 removes or conduit moves ahead in guiding wire, guiding wire 400 conical surfaces contact with O type circle 304, foley's tube tube chamber far-end 305 is sealed, this single lumen catheter forms closure, liquid will flow according to direction as shown, and enter sacculus 302 by the hole 307 on the tube wall of the conduit in the sacculus, make inflation and contraction.That is to say that in the present embodiment, the end of guiding wire has certain tapering, form hermetic unit by this tapering root partly.
Fig. 6 is the profilograph of another single-lumen foley's tube 500 of the present utility model.In the present embodiment, conduit 502 is microtubulars, comprises mutual agglutinating outer tube 506, middle tube 507 and inner tube 508 from outside to inside successively.In addition, in the present embodiment, sacculus 503 is enhancement mode sacculus (as fiber reinforcement type sacculus).
As figure, conduit 502 enters the part of described sacculus 503, also be provided with second conduit 504 of diameter in the sacculus less than conduit 502, the inwall of the outer wall of the far-end of this second conduit 504 and the far-end of sacculus bonds together, the far-end of near-end and conduit 502 is opposed, guiding wire 600 runs through the conduit 502 and second conduit 504, hermetic unit (spherical valve) 601 seals the far-end of sacculus by the far-end that seals second conduit 504, and the near-end inwall of conduit 502 is provided with the sealing member 510 identical with sealing member 104 among Fig. 1, prevents that liquid from flowing out from the near-end of conduit 502.
Other parts with described structure is identical before, are omitted detailed description at this as Y-type joint 501, sealing ring 505, the point 509 that develops.
As figure, microtubular 502 has identical tube chamber with sacculus 503, and guiding wire 600 and balloon expandable liquid need all finish by this common tube chamber that guiding wire is walked and balloon expandable.Liquid enters sacculus by the microtubular single-lumen and finishes balloon expandable, by the pumpback syringe pump, forms vacuum, and sacculus is shunk.Remove or conduit moves ahead in guiding wire when guiding wire returns in conduit, foley's tube tube chamber far-end is by obturation, and this single lumen catheter forms closure, makes inflation and contraction.
In this utility model, in the single-lumen foley's tube of the described chronic pathological changes of entirely shutting (CTO), be enclosed within the outer sacculus dilating catheter of guiding wire and have only a tube chamber, it is the tube chamber that guiding wire passes through, it also is the tube chamber of balloon expandable, reduced by a tube chamber than conventional foley's tube, balloon diameter can be done forr a short time, has identical diameter with microtubular, less than 3f, even between 1.5-2.5f, the easier CTO of passing through diseased region, minimizing overcome the defective that prior art exists to the injury that blood vessel wall causes.
In this utility model, in the single-lumen foley's tube of the described chronic pathological changes of entirely shutting (CTO), on the tube wall of bar a lot of holes are arranged in the sacculus, perhaps sacculus directly is bonded on the microtubular, guarantees that liquid can enter or flows out sacculus by the guiding wire tube chamber.
In this utility model, in described guiding wire, near the shape to guiding wire far-end is handled, as adopting globe valve form or taper guiding wire, form closure with the tube chamber of foley's tube, solved the problem that the single-lumen sacculus can't directly be expanded and shrink.
As from the foregoing, this utility model has reduced the diameter of sacculus largely based on the feature of self structure, has improved the ability that foley's tube passes through the CTO diseased region, therefore has very big using value and application prospect.
The above only is a preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from this utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (8)
1. a single-lumen foley's tube is used for the treatment of the chronic pathological changes of entirely shutting of coronary artery, it is characterized in that, comprising:
Sacculus is arranged on the far-end of described foley's tube, and the injection of the liquid by inside and discharging are expanded and shunk;
Conduit, the inwall of its outer wall and described sacculus end bonds together;
Breeches joint is arranged on the near-end of described foley's tube, is used for injecting in described conduit described liquid; And
Guiding wire runs through the inside of whole described conduit and described sacculus, passes from the far-end of described conduit and described sacculus, wherein
Described conduit has only a tube chamber, is used for passing through and injecting liquid to described sacculus of described guiding wire,
Be provided with the hermetic unit of diameter near the far-end of described guiding wire greater than the end, by the distal seal of this part with described sacculus, and
The near-end inwall of described conduit is provided with sealing member, prevents that described liquid from flowing out from the near-end of described conduit.
2. single-lumen foley's tube according to claim 1 is characterized in that,
Described conduit runs through the inside of whole described sacculus, the tube wall of the described conduit of described sacculus inside is provided with a plurality of holes, described liquid injects described sacculus inside by described a plurality of holes, and described guiding wire seals the far-end of described sacculus by the far-end that seals described conduit.
3. single-lumen foley's tube according to claim 1 is characterized in that,
Described conduit enters the part of described sacculus, also be provided with second conduit of diameter in the described sacculus less than described conduit, the inwall of the outer wall of the far-end of this second conduit and the far-end of described sacculus bonds together, the far-end of near-end and described conduit is opposed, described guiding wire runs through described conduit and described second conduit, and described hermetic unit seals the far-end of described sacculus by the far-end that seals described second conduit.
4. single-lumen foley's tube according to claim 3 is characterized in that,
Described conduit is a microtubular.
5. according to any described single-lumen foley's tube in the claim 1 to 4, it is characterized in that,
Described hermetic unit is the globe valve of projection.
6. according to any described single-lumen foley's tube in the claim 1 to 4, it is characterized in that,
The end of described guiding wire has certain tapering, forms described hermetic unit by this tapering root partly.
7. according to any described single-lumen foley's tube in the claim 1 to 4, it is characterized in that,
Described sacculus is the enhancement mode sacculus.
8. according to any described single-lumen foley's tube in the claim 1 to 4, it is characterized in that,
Be provided with " O " RunddichtringO in the far-end of described conduit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200820122534 CN201263727Y (en) | 2008-09-17 | 2008-09-17 | Single lumen balloon catheter for treating chronic total coronary occlusion pathological change |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200820122534 CN201263727Y (en) | 2008-09-17 | 2008-09-17 | Single lumen balloon catheter for treating chronic total coronary occlusion pathological change |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201263727Y true CN201263727Y (en) | 2009-07-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200820122534 Expired - Fee Related CN201263727Y (en) | 2008-09-17 | 2008-09-17 | Single lumen balloon catheter for treating chronic total coronary occlusion pathological change |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201263727Y (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013086700A1 (en) * | 2011-12-14 | 2013-06-20 | 东莞市迪凯精密管材有限公司 | Balloon dilatation catheter provided with soft cladding tip |
| CN103860265A (en) * | 2012-12-11 | 2014-06-18 | 韦伯斯特生物官能(以色列)有限公司 | Lasso catheter with guide wire |
| CN107088258A (en) * | 2017-05-27 | 2017-08-25 | 苏州朗特斯医疗科技有限公司 | Elastic adjusting type single-chamber sacculus dilating catheter |
| CN107468295A (en) * | 2017-09-06 | 2017-12-15 | 何冀芳 | Work foley's tube/microtubular reinforcing support system and intervention conducting system |
| CN108136159A (en) * | 2015-10-07 | 2018-06-08 | 美敦力瓦斯科尔勒公司 | With the occlusive part bypass equipment for entering back into needle and distal side stabilization utricule |
| CN110448364A (en) * | 2019-09-11 | 2019-11-15 | 广州启骏生物科技有限公司 | Puncturing hole auxiliary expanding equipment and puncturing operation system |
| CN111150924A (en) * | 2020-01-20 | 2020-05-15 | 上海键程数据科技有限公司 | Novel clinical interventional diagnosis and treatment vascular occlusion structure and opening method |
| CN114887202A (en) * | 2022-04-18 | 2022-08-12 | 李立 | Sacculus pipe and sacculus pipe subassembly that carry through conveying pipe |
| CN115137948A (en) * | 2022-06-27 | 2022-10-04 | 上海心玮医疗科技股份有限公司 | Shutoff sacculus pipe subassembly |
| CN115253031A (en) * | 2022-07-12 | 2022-11-01 | 青岛博泰医疗器械有限责任公司 | Single-cavity balloon catheter |
| CN115999013A (en) * | 2021-10-22 | 2023-04-25 | 上海拓脉医疗科技有限公司 | A kind of medical catheter and medical kit |
-
2008
- 2008-09-17 CN CN 200820122534 patent/CN201263727Y/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013086700A1 (en) * | 2011-12-14 | 2013-06-20 | 东莞市迪凯精密管材有限公司 | Balloon dilatation catheter provided with soft cladding tip |
| CN103860265A (en) * | 2012-12-11 | 2014-06-18 | 韦伯斯特生物官能(以色列)有限公司 | Lasso catheter with guide wire |
| CN103860265B (en) * | 2012-12-11 | 2019-11-01 | 韦伯斯特生物官能(以色列)有限公司 | Cyclic annular mapping catheter with leading line |
| CN108136159A (en) * | 2015-10-07 | 2018-06-08 | 美敦力瓦斯科尔勒公司 | With the occlusive part bypass equipment for entering back into needle and distal side stabilization utricule |
| CN107088258A (en) * | 2017-05-27 | 2017-08-25 | 苏州朗特斯医疗科技有限公司 | Elastic adjusting type single-chamber sacculus dilating catheter |
| CN107468295B (en) * | 2017-09-06 | 2024-05-07 | 何冀芳 | Working saccule catheter/microcatheter stress application support system and intervention conduction system |
| CN107468295A (en) * | 2017-09-06 | 2017-12-15 | 何冀芳 | Work foley's tube/microtubular reinforcing support system and intervention conducting system |
| CN110448364A (en) * | 2019-09-11 | 2019-11-15 | 广州启骏生物科技有限公司 | Puncturing hole auxiliary expanding equipment and puncturing operation system |
| CN111150924A (en) * | 2020-01-20 | 2020-05-15 | 上海键程数据科技有限公司 | Novel clinical interventional diagnosis and treatment vascular occlusion structure and opening method |
| CN115999013A (en) * | 2021-10-22 | 2023-04-25 | 上海拓脉医疗科技有限公司 | A kind of medical catheter and medical kit |
| CN114887202A (en) * | 2022-04-18 | 2022-08-12 | 李立 | Sacculus pipe and sacculus pipe subassembly that carry through conveying pipe |
| CN115137948A (en) * | 2022-06-27 | 2022-10-04 | 上海心玮医疗科技股份有限公司 | Shutoff sacculus pipe subassembly |
| CN115253031A (en) * | 2022-07-12 | 2022-11-01 | 青岛博泰医疗器械有限责任公司 | Single-cavity balloon catheter |
| CN115253031B (en) * | 2022-07-12 | 2025-12-09 | 青岛博泰医疗器械有限责任公司 | Single-cavity tract balloon catheter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090701 Termination date: 20160917 |