CN209316784U - A kind of double sacculus dilating catheters of integral type - Google Patents
A kind of double sacculus dilating catheters of integral type Download PDFInfo
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- CN209316784U CN209316784U CN201821340183.1U CN201821340183U CN209316784U CN 209316784 U CN209316784 U CN 209316784U CN 201821340183 U CN201821340183 U CN 201821340183U CN 209316784 U CN209316784 U CN 209316784U
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- sacculus
- catheter body
- integral type
- full pipe
- double
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Abstract
The utility model discloses a kind of double sacculus dilating catheters of integral type, 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；First sacculus, what the first 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 the first 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 sacculus, the second sacculus are set to the penetrating between portion and operation portion of catheter body, and distance of distance of second sacculus away from the portion that penetrates less than the second sacculus away from operation portion；Ball expands formula bracket, and ball expands formula bracket and is covered on the second sacculus；Second full pipe, one end of the second full pipe are connected to the second sacculus, 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.
Description
Technical field
The utility model relates to medical instruments fields, more particularly to a kind of double sacculus dilating catheters of integral type.
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 pair 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 double sacculus dilating catheters of the integral type of the features such as low operation cost.
A kind of double sacculus dilating catheters of integral type, 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；
First sacculus, what first 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 the connection of first sacculus, the first full pipe is the first external tapping, and first external tapping is located at the catheter body
Operation portion side；
Second sacculus, second sacculus are set to the penetrating between portion and operation portion of the catheter body, and described second
Sacculus is less than the distance of second sacculus away from the operation portion away from the distance for penetrating portion；
Ball expands formula bracket, and the ball expands formula bracket and is covered on second sacculus；
Second full pipe, the second full pipe are arranged along the catheter body, one end of the second full pipe with it is described
The other end of the connection of second sacculus, the second full pipe is the second external tapping, and second external tapping is located at the catheter body
Operation portion side.
The double sacculus dilating catheters of the integral type of the utility model by catheter body front and back the first sacculus, the is respectively set
Two sacculus, and paste ball on the second sacculus and expand formula bracket, using the first sacculus to progress predilation at vascular lesion and rear expansion
, and the second sacculus can guarantee that the ball expands the abundant expansion or good adherent effect of formula bracket, and ball expands formula bracket to blood
Tube wall does not generate prolonged expansion tension, greatly reduces the number of sacculus exchange in the prior art, avoids using multiple single saccules,
It can be obviously shortened operating time, and reduce operation cost；The damage that can avoid approach blood vessel in surgical procedure is reduced concurrent
Disease reduces patient and the exposure of doctor's ray；Penetrability is strong, and operation is relatively easy, and operating method is easily mastered, and handling is good.
It is further preferred that the catheter body passes through the middle part of first 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 first sacculus.
It is further preferred that the preceding Marking ring is two.
It is further preferred that first sacculus be taper sacculus, the taper sacculus towards the seal wire import one
The diameter at end is less than its diameter towards one end of the guide wire exit openings.
It is further preferred that the catheter body passes through the middle part of second sacculus.
It is further preferred that being provided with middle Marking ring on the catheter body, the middle Marking ring is located at second sacculus
It is interior.
It is further preferred that be located at the conduit body position opposite for first external tapping and second external tapping
Two sides.
It is further preferred that first external tapping is provided with haemostatic valve.
It is further preferred that first balloon surface is provided with hydrophilic coating.
The double sacculus dilating catheters of the integral type of the utility model the utility model has the advantages that
(1) by catheter body front and back the first sacculus, the second sacculus is respectively set, and paste on the second sacculus ball expansion
Formula bracket, using the first sacculus to progress predilation at vascular lesion and rear expansion, and the second sacculus can guarantee that the ball expands
The abundant expansion or good adherent effect of formula bracket, and ball expands formula bracket and does not generate prolonged expansion tension to vascular wall, subtracts significantly
The number for having lacked sacculus exchange in the prior art avoids that operating time can be obviously shortened, and reduce hand using multiple single saccules
Art 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 double sacculus dilating catheters of the integral type 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 double sacculus dilating catheter preferred structures of integral type of embodiment one.
Fig. 2 is the structural schematic diagram of the double sacculus dilating catheter preferred structures of integral type of embodiment two.
Wherein, the 1st sacculus 2 is expansion state signal in Fig. 1, and the second sacculus 4 is unexpanded state signal.
The first sacculus 2 and the second sacculus 4 are expansion state signal in Fig. 2.
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
Referring to Fig. 1, Fig. 1 is the structural schematic diagram of the double sacculus dilating catheter preferred structures of integral type of embodiment one.This
The double sacculus dilating catheters of the integral type of embodiment, including catheter body 1, the first sacculus 2, the first full pipe 3, the second sacculus 4, ball expand
Formula bracket 5 and the second full pipe 6.
Specifically, the front and rear of the catheter body 1 is respectively to penetrate portion 11 and operation portion 12, the portion 11 that penetrates
Front end and the rear end of the operation portion 12 offer seal wire import 110 and guide wire exit openings 120 respectively.
What first sacculus 2 was set to the catheter body 1 penetrates portion 11.The embodiment of the present invention catheter body 1 passes through institute
State the middle part of the first sacculus 2.First sacculus 2 can select simple dilating sacculus.First sacculus 2 is conducive to spreader cone
The serious changes positions such as the narrow calcified plaque of shape, the predilation and expansion afterwards that first sacculus 2 can be used for periphery lesion vessels.
Preferably, 2 surface of the first sacculus is 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, one end of the first full pipe 3 and first sacculus 2
The other end of connection, the first full pipe 3 is the first external tapping 30, and first external tapping 30 is located at the catheter body 1
The side of operation portion 12.Preferably, the present embodiment is provided with haemostatic valve 7 in first external tapping 30.
Second sacculus 4 is set to the penetrating between portion 11 and operation portion 12 of the catheter body 1, and second sacculus
4 are less than distance of second sacculus 4 away from the operation portion 12 away from the distance for penetrating portion 11.
The ball expands formula bracket 5 and is covered on second sacculus 4.The ball expands formula bracket 5 can be with second ball
Capsule 4 is delivered at vascular lesion, does not generate prolonged expansion tension to vascular wall, and registration when advantage is release has and releases
Put the features such as rear cripetura phenomenon is unobvious, radial support power is better than periphery self-expansion type bracket.
The ball, which expands formula bracket 5, may be set to be straight barrel type.
The second full pipe 6 is arranged along the catheter body 1, one end of the second full pipe 6 and second sacculus 4
The other end of connection, the second full pipe 6 is the second external tapping 60, and second external tapping 60 is located at the catheter body 1
The side of operation portion 12.
First sacculus 2 can be used for the predilation of periphery lesion vessels, expand formula branch in second sacculus 4 and the ball
Frame 5 can expand lesion vessels before discharging in advance, be conducive to second sacculus 4 and the ball expands formula bracket 5 smoothly in place, described
First sacculus 2 is expanded after can also be used in periphery lesion vessels；After second sacculus 4 and the ball expand the release of formula bracket 5, such as
Fruit shape state is dissatisfied can to expand the ball expansion formula bracket 5 again, guarantee that the ball expands the abundant expansion or good adherent of formula bracket 5
Effect.
Preferably, there are two preceding Marking rings 13 in the setting in portion 11 that penetrates of the catheter body 1 for the present embodiment, described in two
Preceding Marking ring 13 is located in first sacculus 2.
Middle Marking ring 14 is provided on the catheter body 1, the middle Marking ring 14 is located in second sacculus 4.
The first external tapping of the embodiment of the present invention 30 and second external tapping 60 are located at the 1 position phase of catheter body
Pair two sides, can be convenient surgical procedure in this way.
The application method of the double sacculus dilating catheters of the integral type of the utility model:
Under Perspective Conditions, the catheter body 1 is sent into lesion vessels along seal wire, first sacculus 2 is accurately fixed
At position to vascular lesion, pressure pump is connected by the described first full pipe 3 and fills contrast agent in first sacculus 2, institute
Predilation is carried out to lesion vessels after stating the expansion of the first sacculus 2, radiography observes expansion effect.
The catheter body 1 is continued on seal wire Forward, directly after 2 radiography of the first sacculus release by pumpback pressure pump
Expand formula bracket 5 to the ball to reach at the vascular lesion of predilation, pressure pump is connected for contrast agent by the described second full pipe 6
It fills in second sacculus 4, the ball is expanded into the affixed lesion vessels wall of formula bracket 5, observation after the expansion of the second sacculus 4
Strut effect.
If form is dissatisfied, the recession catheter body 1 is given, first sacculus 2 or second sacculus 4 are positioned at institute
It states and is expanded again in ball expansion formula bracket 5, after the ball expands the satisfaction of 5 form of formula bracket, pumpback pressure pump release contrast agents will be described
After contrast agent release in first sacculus 2 or second sacculus 4, and the catheter body 1 is withdrawn from vitro, completes operation.
Embodiment two
Referring to Fig. 2, Fig. 2 is the structural schematic diagram of the double sacculus dilating catheter preferred structures of integral type of embodiment one.This
The structure of the double sacculus dilating catheters of integral type of the structure and embodiment one of the double sacculus dilating catheters of the integral type of embodiment is substantially
It is identical, the difference is that, the first sacculus of the embodiment of the present invention 2 is taper sacculus, and the taper sacculus is towards the seal wire
The diameter of one end of import 110 is less than its diameter towards one end of the guide wire exit openings 120.The second ball of the embodiment of the present invention
The diameter of capsule 4 is greater than the diameter of the widest part of first sacculus 2.The first sacculus of the embodiment of the present invention 2 and second ball
The structure of capsule 4 can comply with peripheral blood vessel size trend, meet the nearly distal diameter of artery and move towards from thick to thin, make its penetrability more
By force, it more conducively imports.
The first sacculus of the embodiment of the present invention 2 can preferably select non-compliance sacculus, and maximum pressure is up to 20-
25atm tough can expand and reduce interlayer.The diameter of first sacculus 2 can be arranged in 2-12mm, length setting exists
20-200mm can substantially meet arteria carotis, vertebral artery, Qia Gu popliteal artery and inferior genicular artery stenotic lesion.
The double sacculus dilating catheters of the integral type of the utility model are 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 double sacculus dilating catheters of the integral type of the utility model the utility model has the advantages that
(1) by catheter body front and back the first sacculus, the second sacculus is respectively set, and paste on the second sacculus ball expansion
Formula bracket, using the first sacculus to progress predilation at vascular lesion and rear expansion, and the second sacculus can guarantee that the ball expands
The abundant expansion or good adherent effect of formula bracket, and ball expands formula bracket and does not generate prolonged expansion tension to vascular wall, subtracts significantly
The number for having lacked sacculus exchange in the prior art avoids that operating time can be obviously shortened, and reduce hand using multiple single saccules
Art 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 double sacculus dilating catheters of the integral type 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 (10)
1. a kind of double sacculus dilating catheters of integral type, 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；
First sacculus, what first sacculus was set to the catheter body penetrates portion；
First full pipe, the first full pipe are arranged along the catheter body, one end and described first of the first full pipe
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 sacculus, second sacculus are set to the penetrating between portion and operation portion of the catheter body, and second sacculus
It is less than the distance of second sacculus away from the operation portion away from the distance for penetrating portion；
Ball expands formula bracket, and the ball expands formula bracket and is covered on second sacculus；
Second full pipe, the second full pipe are arranged along the catheter body, one end and described second of the second full pipe
The other end of sacculus connection, the second full pipe is the second external tapping, and second external tapping is located at the behaviour of the catheter body
Make the side in portion.
2. the double sacculus dilating catheters of integral type according to claim 1, it is characterised in that: the catheter body passes through described the
The middle part of one sacculus.
3. the double sacculus dilating catheters of integral type 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 first sacculus.
4. the double sacculus dilating catheters of integral type according to claim 3, it is characterised in that: the preceding Marking ring is two.
5. the double sacculus dilating catheters of integral type according to claim 3, it is characterised in that: first sacculus is taper ball
Capsule, the diameter of the taper sacculus towards one end of the seal wire import are less than it towards the straight of one end of the guide wire exit openings
Diameter.
6. the double sacculus dilating catheters of integral type according to claim 1, it is characterised in that: the catheter body passes through described the
The middle part of two sacculus.
7. the double sacculus dilating catheters of integral type according to claim 6, it is characterised in that: in being provided on the catheter body
Marking ring, the middle Marking ring are located in second sacculus.
8. the double sacculus dilating catheters of integral type according to claim 1-7, it is characterised in that: described first is external
Mouthful with second external tapping two sides that be located at the conduit body position opposite.
9. the double sacculus dilating catheters of integral type according to claim 8, it is characterised in that: first external tapping is provided with
Haemostatic valve.
10. the double sacculus dilating catheters of integral type according to claim 1-7, it is characterised in that: first ball
Capsule surface is provided with hydrophilic coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821340183.1U CN209316784U (en) | 2018-08-20 | 2018-08-20 | A kind of double sacculus dilating catheters of integral type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821340183.1U CN209316784U (en) | 2018-08-20 | 2018-08-20 | A kind of double sacculus dilating catheters of integral type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209316784U true CN209316784U (en) | 2019-08-30 |
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ID=67705449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821340183.1U Active CN209316784U (en) | 2018-08-20 | 2018-08-20 | A kind of double sacculus dilating catheters of integral type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209316784U (en) |
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2018
- 2018-08-20 CN CN201821340183.1U patent/CN209316784U/en active Active
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