CN209316785U - A kind of integral type single saccule dilating catheter - Google Patents
A kind of integral type single saccule dilating catheter Download PDFInfo
- Publication number
- CN209316785U CN209316785U CN201821340207.3U CN201821340207U CN209316785U CN 209316785 U CN209316785 U CN 209316785U CN 201821340207 U CN201821340207 U CN 201821340207U CN 209316785 U CN209316785 U CN 209316785U
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- catheter body
- sacculus
- full pipe
- self
- integral type
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- 210000005077 saccule Anatomy 0.000 title claims abstract description 39
- 230000000916 dilatatory effect Effects 0.000 title claims abstract description 37
- 238000010079 rubber tapping Methods 0.000 claims abstract description 18
- 241000463219 Epitheca Species 0.000 claims abstract description 14
- 230000000149 penetrating effect Effects 0.000 claims abstract description 8
- 230000008676 import Effects 0.000 claims abstract description 7
- 229940030225 antihemorrhagics Drugs 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 230000000025 haemostatic effect Effects 0.000 claims description 3
- 239000002775 capsule Substances 0.000 claims 1
- 230000003902 lesion Effects 0.000 description 13
- 210000004204 blood vessel Anatomy 0.000 description 9
- 239000002872 contrast media Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 231100000216 vascular lesion Toxicity 0.000 description 4
- 210000001367 artery Anatomy 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000011017 operating method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 210000005259 peripheral blood Anatomy 0.000 description 2
- 239000011886 peripheral blood Substances 0.000 description 2
- 238000002601 radiography Methods 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 210000002385 vertebral artery Anatomy 0.000 description 2
- 208000031481 Pathologic Constriction Diseases 0.000 description 1
- 208000007536 Thrombosis Diseases 0.000 description 1
- 206010053648 Vascular occlusion Diseases 0.000 description 1
- 230000001464 adherent effect Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 210000001105 femoral artery Anatomy 0.000 description 1
- 210000003090 iliac artery Anatomy 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910001000 nickel titanium Inorganic materials 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 210000003137 popliteal artery Anatomy 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 210000002321 radial artery Anatomy 0.000 description 1
- 230000036262 stenosis Effects 0.000 description 1
- 208000037804 stenosis Diseases 0.000 description 1
- 230000002966 stenotic effect Effects 0.000 description 1
- 208000021331 vascular occlusion disease Diseases 0.000 description 1
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- Media Introduction/Drainage Providing Device (AREA)
Abstract
The utility model discloses integral type single saccule dilating catheter, including catheter body, the front and rear of catheter body is respectively to penetrate portion and operation portion, and the rear end of the front end and operation portion that penetrate portion offers seal wire import and guide wire exit openings respectively；Sacculus, what sacculus was set to catheter body penetrates portion；First full pipe, the first full pipe are arranged along catheter body, and one end of the first full pipe is connected to sacculus, and the other end of the first full pipe is the first external tapping, and the first external tapping is located at the side of the operation portion of catheter body；Second full pipe, the second full pipe are arranged along catheter body, and one end of the second full pipe extends between the portion of penetrating and operation portion, and the other end of the second full pipe is the second external tapping, and the second external tapping is located at the side of the operation portion of catheter body；Self-expansion type bracket, self-expansion type bracket are set on catheter body；Self-expansion type bracket has epitheca proximal end and outer sheath distal, and self-expansion type bracket is paperwrapped on catheter body by epitheca proximal end, and outer sheath distal is connect with the second full pipe.
Description
Technical field
The utility model relates to medical instruments fields, more particularly to a kind of integral type single saccule dilating catheter.
Background technique
Currently, clinically commonly treatment Peripheral vascular occlusion or narrow means mainly include balloon expandable forming, branch
Mount into etc..The sacculus dilating catheter clinically used is mostly single saccule dilating catheter.Single saccule dilating catheter is suitable for pre-expansion
It is expanded after opening local patholoic change blood vessel or bracket merging, especially blood vessel is compared with Long lesion or segmental stenotic-occlusive.
The whole operation process of existing single saccule expansion generally requires repeatedly to exchange sacculus progress predilation, rear expansion,
It is easy to cause road to enter damage and the thrombosis of blood vessel, and needs DSA radiography repeatedly, extend operating time, increase patient and doctor
Raw ray exposure.In addition, also considerably increasing medical treatment cost using multiple sacculus, huge financial burden is brought to patient.
Therefore, a kind of integral type list that structure is simple and convenient to operate, reduces wound, reducing operation cost is had increasing need for
Sacculus dilating catheter.
Utility model content
Based on this, the purpose of the utility model is to provide one kind, and there is structure to be simple and convenient to operate, reduces wound, drop
The integral type single saccule dilating catheter of the features such as low operation cost.
A kind of integral type single saccule dilating catheter, including
Catheter body, the front and rear of the catheter body are respectively the portion and operation portion of penetrating, the front end for penetrating portion and
The rear end of the operation portion offers seal wire import and guide wire exit openings respectively；
Sacculus, what the sacculus was set to the catheter body penetrates portion；
First full pipe, the first full pipe are arranged along the catheter body, one end of the first full pipe with it is described
The other end of sacculus connection, the first full pipe is the first external tapping, and first external tapping is located at the behaviour of the catheter body
Make the side in portion；
Second full pipe, the second full pipe are arranged along the catheter body, and one end of the second full pipe extends to
Described to penetrate between portion and the operation portion, the other end of the second full pipe is the second external tapping, second external tapping
Positioned at the side of the operation portion of the catheter body；
Self-expansion type bracket, the self-expansion type bracket are set on the catheter body；The self-expansion type bracket has
Epitheca proximal end and outer sheath distal, the epitheca be proximally located at it is described penetrate between portion and the outer sheath distal, the epitheca proximal end
The self-expansion type bracket is paperwrapped on the catheter body, the outer sheath distal is connect with the described second full pipe.
The integral type single saccule dilating catheter of the utility model is by being arranged sacculus and self-expanding in the portion of penetrating of catheter body
Formula bracket, using sacculus to carrying out predilation and rear expansion at vascular lesion, and after the release of self-expansion type bracket it is adjustable its
Expanse degree is greatly reduced the number of sacculus exchange in the prior art, avoids obviously being contracted using multiple single saccules
Short operating time, and the damage of approach blood vessel is avoided, complication is reduced, reduces patient and the exposure of doctor's ray, and operate opposite
Simply, operating method is easily mastered.
It is further preferred that the catheter body passes through the middle part of the sacculus.
It is further preferred that penetrating in portion for the catheter body is provided with preceding Marking ring, the preceding Marking ring is located at described
In sacculus.
It is further preferred that the preceding Marking ring is two.
It is further preferred that the sacculus is taper sacculus, the taper sacculus is towards one end of the seal wire import
Diameter is less than its diameter towards one end of the guide wire exit openings.
It is further preferred that there are two middle Marking rings, two middle Marking rings to be located at described for setting on the catheter body
Between the epitheca proximal end and outer sheath distal of self-expansion type bracket.
It is further preferred that further including push rod, the push rod is connect with the outer sheath distal of the self-expansion type bracket.
It is further preferred that first external tapping is provided with haemostatic valve.
It is further preferred that the balloon surface is provided with hydrophilic coating.
The integral type single saccule dilating catheter of the utility model the utility model has the advantages that
(1) by catheter body penetrate portion before and after sacculus and self-expansion type bracket is respectively set, using sacculus to blood vessel
Lesion carries out predilation and expands afterwards, and its adjustable expanse degree after the release of self-expansion type bracket, greatly reduces
The number of sacculus exchange in the prior art avoids that operating time can be obviously shortened, and reduce operation using multiple single saccules
Cost.
(2) damage that can avoid approach blood vessel in surgical procedure, reduces complication, reduces patient and the exposure of doctor's ray.
(3) penetrability is strong, and operation is relatively easy, and operating method is easily mastered, and handling is good.
(4) there is structure to be simple and convenient to operate, reduce wound, drop for the integral type single saccule dilating catheter of the utility model
The advantages that low operation cost.
In order to better understand and implement, according to the present invention will be described in detail below with reference to the accompanying drawings.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the integral type single saccule dilating catheter preferred structure of embodiment one.
Fig. 2 is the signal after the integral type single saccule dilating catheter preferred structure self-expansion type bracket expansion of embodiment one
Figure.
Fig. 3 is the structural schematic diagram of the integral type single saccule dilating catheter preferred structure of embodiment two.
Fig. 4 is the signal after the integral type single saccule dilating catheter preferred structure self-expansion type bracket expansion of embodiment two
Figure.
Wherein, the sacculus 2 in Fig. 1-Fig. 4 is expansion state signal.
Specific embodiment
It mentions in the present specification or up, down, left, right, before and after, front, the back side, top, the bottom that may mention etc.
Positional terms are defined relative to each construction shown in the drawings, they are opposite concepts.Therefore, it is possible to can root
Correspondingly changed according to different location locating for it, different use states.So also should not be by these or others side
Position term is construed to restricted term.
Embodiment one
Please refer to Fig. 1 and Fig. 2.Fig. 1 is the structural representation of the integral type single saccule dilating catheter preferred structure of embodiment one
Figure.Fig. 2 is the schematic diagram after the integral type single saccule dilating catheter preferred structure self-expansion type bracket expansion of embodiment one.This reality
Apply the integral type single saccule dilating catheter of example, including catheter body 1, sacculus 2, the first full pipe 3, the second full pipe 4 and self-expanding
Formula bracket 5.
Specifically, the front and rear of the catheter body 1 is respectively to penetrate portion 1 and operation portion 12, it is described penetrate portion 1 before
End and the rear end of the operation portion 12 offer seal wire import 110 and guide wire exit openings 120 respectively.
What the sacculus 2 was set to the catheter body 1 penetrates portion 1.The embodiment of the present invention catheter body 1 passes through the sacculus
2 middle part.The predilation and expansion afterwards that the sacculus 2 can be used for periphery lesion vessels.
The sacculus 2 can preferably select non-compliance sacculus, and maximum pressure tough can expand up to 20-25atm
It opens and reduces interlayer.The diameter of the sacculus 2 can be arranged in 2-12mm, length is arranged in 20-200mm, can expire substantially
Sufficient arteria carotis, vertebral artery, Qia Gu popliteal artery and inferior genicular artery stenotic lesion.
In addition, 2 surface of sacculus is preferably provided with hydrophilic coating, reduces to normal blood vessels friction, can rapidly enter
At lesion vessels.
The first full pipe 3 is arranged along the catheter body 1, and one end of the first full pipe 3 and the sacculus 2 connect
Logical, the other end of the first full pipe 3 is the first external tapping 30, and first external tapping 30 is located at the behaviour of the catheter body 1
Make the side in portion 12.Preferably, the present embodiment is provided with haemostatic valve 6 in first external tapping 30.
The second full pipe 4 is arranged along the catheter body 1, and one end of the second full pipe 4 extends to described penetrate
Between portion 1 and the operation portion 12, the other end of the second full pipe 4 is the second external tapping 40, second external tapping 40
Positioned at the side of the operation portion 12 of the catheter body 1.
The self-expansion type bracket 5 is set on the catheter body 1.The self-expansion type bracket 5 has epitheca proximal end 51
With outer sheath distal 52, the epitheca proximal end 51 penetrates between portion 1 and the outer sheath distal 52 positioned at described, the epitheca proximal end 51
The self-expansion type bracket 5 is paperwrapped on the catheter body 1, the outer sheath distal 52 is connect with the described second full pipe 4.
The embodiment of the present invention self-expansion type bracket 5 is preferably made of nickel-titanium alloy material, break resistance is strong,
It precisely discharges and without cripetura.The self-expansion type bracket 5 can be set to straight barrel type.
The predilation and expansion afterwards that the sacculus 2 can be used for periphery lesion vessels, the self-expansion type bracket 5 can before discharging
Expansion lesion vessels in advance, after the self-expansion type bracket 5 release, if form is dissatisfied can to expand the self-expanding again
Formula bracket 5 guarantees the abundant expansion or good adherent effect of the self-expansion type bracket 5.
Preferably, penetrating in portion 1 for the embodiment of the present invention catheter body 1 is preferably provided with two preceding Marking rings 13, and two
A preceding Marking ring 13 is located in the sacculus 2, and two preceding Marking rings 13 are for positioning the sacculus 2.
There are two middle Marking rings 14, two middle Marking rings 14 to be located at the self-expansion type for setting on the catheter body 1
Between the epitheca proximal end 51 and outer sheath distal 52 of bracket 5, the middle Marking ring 14 positions the self-expansion type bracket for marking
5。
In order to preferably push the catheter body 1, the present embodiment is additionally provided with push rod 7, the push rod 7 with it is described
The outer sheath distal 52 of self-expansion type bracket 5 connects.The push rod 7 is pushed outward, the releasable self-expansion type bracket 5.
The application method of the integral type single saccule dilating catheter of the utility model:
Under Perspective Conditions, the catheter body 1 is sent into lesion vessels along seal wire, the sacculus 2 is accurately positioned extremely
At vascular lesion, pressure pump is connected by the described first full pipe 3 and fills contrast agent in the sacculus 2, the sacculus 2 is swollen
Predilation is carried out to lesion vessels after swollen, radiography observes expansion effect.
The catheter body 1 is continued on seal wire Forward after 2 contrast agent of sacculus release by pumpback pressure pump, until
The self-expansion type bracket 5 reaches at the vascular lesion of predilation, pushes the push rod 52, the self-expansion type bracket outward
Affixed lesion vessels wall after 5 automatic releases, tough to strut lesion vessels, observation struts 5 effect of self-expansion type bracket.
If form is dissatisfied, the recession catheter body 1 is given, the sacculus 2 is positioned in the self-expansion type bracket 5 again
Secondary expansion, after 5 form of self-expansion type bracket is satisfied, pumpback pressure pump release contrast agents discharge 2 contrast agent of sacculus
Afterwards, and by the catheter body 1 it withdraws from vitro, completes operation.
Embodiment two
Please refer to Fig. 3 and Fig. 4.Fig. 3 is the structural representation of the integral type single saccule dilating catheter preferred structure of embodiment two
Figure.Fig. 4 is the schematic diagram after the integral type single saccule dilating catheter preferred structure self-expansion type bracket expansion of embodiment two.
The structure of the integral type single saccule dilating catheter of the present embodiment and the integral type single saccule dilating catheter of embodiment one
Structure it is roughly the same, the difference is that, the sacculus 2 is set taper sacculus, taper sacculus court by the present embodiment
It is less than its diameter towards one end of the guide wire exit openings 120 to the diameter of one end of the seal wire import 110.By the sacculus
2 are set as taper sacculus, can comply with peripheral blood vessel size trend, meet the nearly distal diameter of artery and move towards from thick to thin, make it
Penetrability is stronger, can more easily imported at vascular lesion.
The integral type single saccule dilating catheter of the utility model is suitable for arteria carotis, vertebral artery, common iliac artery, femoral artery, popliteal
The peripheral blood vessels stenosis occlusion lesion such as artery, shin arteria peronea, arteria brachialis, radial artery.
The integral type single saccule dilating catheter of the utility model the utility model has the advantages that
(1) by catheter body penetrate portion before and after sacculus and self-expansion type bracket is respectively set, using sacculus to blood vessel
Lesion carries out predilation and expands afterwards, and its adjustable expanse degree after the release of self-expansion type bracket, greatly reduces
The number of sacculus exchange in the prior art avoids that operating time can be obviously shortened, and reduce operation using multiple single saccules
Cost.
(2) damage that can avoid approach blood vessel in surgical procedure, reduces complication, reduces patient and the exposure of doctor's ray.
(3) penetrability is strong, and operation is relatively easy, and operating method is easily mastered, and handling is good.
(4) there is structure to be simple and convenient to operate, reduce wound, drop for the integral type single saccule dilating catheter of the utility model
The advantages that low operation cost.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.
Claims (9)
1. a kind of integral type single saccule dilating catheter, it is characterised in that: including
Catheter body, the front and rear of the catheter body are respectively the portion and operation portion of penetrating, the front end for penetrating portion and described
The rear end of operation portion offers seal wire import and guide wire exit openings respectively；
Sacculus, what the sacculus was set to the catheter body penetrates portion；
First full pipe, the first full pipe are arranged along the catheter body, one end of the first full pipe and the sacculus
The other end of connection, the first full pipe is the first external tapping, and first external tapping is located at the operation portion of the catheter body
Side；
Second full pipe, the second full pipe are arranged along the catheter body, and one end of the second full pipe extends to described
It penetrates between portion and the operation portion, the other end of the second full pipe is the second external tapping, and second external tapping is located at
The side of the operation portion of the catheter body；
Self-expansion type bracket, the self-expansion type bracket are set on the catheter body；The self-expansion type bracket has epitheca
Proximal end and outer sheath distal, the epitheca be proximally located at it is described penetrate between portion and the outer sheath distal, the epitheca proximal end is by institute
It states self-expansion type bracket to be paperwrapped on the catheter body, the outer sheath distal is connect with the described second full pipe.
2. integral type single saccule dilating catheter according to claim 1, it is characterised in that: the catheter body passes through the ball
The middle part of capsule.
3. integral type single saccule dilating catheter according to claim 2, it is characterised in that: the catheter body penetrates in portion
It is provided with preceding Marking ring, the preceding Marking ring is located in the sacculus.
4. integral type single saccule dilating catheter according to claim 3, it is characterised in that: the preceding Marking ring is two.
5. integral type single saccule dilating catheter according to claim 3, it is characterised in that: the sacculus is taper sacculus,
The diameter of the taper sacculus towards one end of the seal wire import is less than its diameter towards one end of the guide wire exit openings.
6. integral type single saccule dilating catheter according to claim 1, it is characterised in that: be provided with two on the catheter body
A middle Marking ring, two middle Marking rings are located between the epitheca proximal end and outer sheath distal of the self-expansion type bracket.
7. integral type single saccule dilating catheter according to claim 1-6, it is characterised in that: further include push
Bar, the push rod are connect with the outer sheath distal of the self-expansion type bracket.
8. integral type single saccule dilating catheter according to claim 1-6, it is characterised in that: described first is external
Mouth is provided with haemostatic valve.
9. integral type single saccule dilating catheter according to claim 1-6, it is characterised in that: the balloon surface
It is provided with hydrophilic coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821340207.3U CN209316785U (en) | 2018-08-20 | 2018-08-20 | A kind of integral type single saccule dilating catheter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821340207.3U CN209316785U (en) | 2018-08-20 | 2018-08-20 | A kind of integral type single saccule dilating catheter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209316785U true CN209316785U (en) | 2019-08-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821340207.3U Active CN209316785U (en) | 2018-08-20 | 2018-08-20 | A kind of integral type single saccule dilating catheter |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111760171A (en) * | 2020-06-09 | 2020-10-13 | 上海市胸科医院 | An inner stent cryo-expanding balloon |
| CN113116726A (en) * | 2021-04-12 | 2021-07-16 | 郑州大学第一附属医院 | Jejunum nutrition combination bile drainage device |
| CN113599037A (en) * | 2021-08-27 | 2021-11-05 | 苏州中天医疗器械科技有限公司 | A kind of quick-exchange balloon bracket installation device and bracket installation method |
| CN113616397A (en) * | 2021-08-27 | 2021-11-09 | 苏州中天医疗器械科技有限公司 | Integral exchange type balloon stent mounting device and stent mounting method |
| CN114849026A (en) * | 2022-04-11 | 2022-08-05 | 北京泰杰伟业科技有限公司 | Brain tissue path sheath tube system with balloon dilatation |
-
2018
- 2018-08-20 CN CN201821340207.3U patent/CN209316785U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111760171A (en) * | 2020-06-09 | 2020-10-13 | 上海市胸科医院 | An inner stent cryo-expanding balloon |
| CN113116726A (en) * | 2021-04-12 | 2021-07-16 | 郑州大学第一附属医院 | Jejunum nutrition combination bile drainage device |
| CN113116726B (en) * | 2021-04-12 | 2023-06-06 | 郑州大学第一附属医院 | Jejunum nutrition combined bile drainage device |
| CN113599037A (en) * | 2021-08-27 | 2021-11-05 | 苏州中天医疗器械科技有限公司 | A kind of quick-exchange balloon bracket installation device and bracket installation method |
| CN113616397A (en) * | 2021-08-27 | 2021-11-09 | 苏州中天医疗器械科技有限公司 | Integral exchange type balloon stent mounting device and stent mounting method |
| CN114849026A (en) * | 2022-04-11 | 2022-08-05 | 北京泰杰伟业科技有限公司 | Brain tissue path sheath tube system with balloon dilatation |
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