CN209270600U - Two-chamber microtubular and the interventional therapy equipment for applying it - Google Patents
Two-chamber microtubular and the interventional therapy equipment for applying it Download PDFInfo
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- CN209270600U CN209270600U CN201820916400.0U CN201820916400U CN209270600U CN 209270600 U CN209270600 U CN 209270600U CN 201820916400 U CN201820916400 U CN 201820916400U CN 209270600 U CN209270600 U CN 209270600U
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- main body
- exit openings
- catheter main
- guide wire
- seal wire
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Abstract
The utility model relates to interventional therapy equipment technical fields, more particularly, to a kind of two-chamber microtubular and using its interventional therapy equipment.Wherein, there is the first guidewire lumen and the second guidewire lumen inside the catheter main body of the two-chamber microtubular, the distal end of the catheter main body is provided with the first guide wire exit openings and the second guide wire exit openings, the first seal wire entrance and the second seal wire entrance are provided on the middle section side wall of the catheter main body, first guidewire lumen is connected to the first seal wire entrance and the first guide wire exit openings, and second guidewire lumen is connected to the second seal wire entrance and second guide wire exit openings.When moving back conduit, since the first seal wire entrance and the second seal wire entrance are arranged on the middle section side wall of catheter main body, two seal wires need to only be fixed, directly catheter main body is disposably extracted, quickly and conveniently, improves procedure efficiency.
Description
Technical field
The utility model relates to the field of medical instrument technology, more particularly, to a kind of two-chamber microtubular and using its intervention
Therapeutic equipment.
Background technique
Bifurcation coronary artery needs individuation intervention to handle, processing mode multiplicity.Main policies are divided at present
The selection of single-side stand implantation and double bracket implantation formula.The selection of either which kind of stent endoprosthesis requires to guide in early period
The entrance of seal wire.Guiding catheter in place after, guide seal wire entering order follow which branch vessel difficulty enters just to preferentially enter original substantially
Then, it when being sent into second seal wire, needs that two seal wires is avoided to wind mutually, otherwise easily causes sacculus or bracket cannot be in place.
But when moving back conduit, due to the presence of two seal wires, and the import of one of seal wire is in the proximal end tail portion of conduit,
Therefore conduit once can not be exited quickly, inconvenient for operation.
The information disclosed in the background technology section is intended only to deepen the understanding to the general background technology of the application, and
It is not construed as recognizing or implying in any form that the information constitutes the prior art known to those skilled in the art.
Utility model content
It is existing to solve the purpose of this utility model is to provide a kind of two-chamber microtubular and using its interventional therapy equipment
Have and moves back conduit complexity, technical problem inconvenient for operation present in technology.
To achieve the goals above, the utility model uses following technical scheme:
In a first aspect, the utility model provides a kind of two-chamber microtubular comprising: catheter main body, the catheter main body
Inside has the first guidewire lumen and the second guidewire lumen, and the distal end of the catheter main body is provided with the first guide wire exit openings and second
Guide wire exit openings are provided with the first seal wire entrance and the second seal wire entrance on the middle section side wall of the catheter main body, and described first leads
Fiber tube chamber is connected to the first seal wire entrance and the first guide wire exit openings, and second guidewire lumen is connected to second seal wire
Entrance and second guide wire exit openings.
As a kind of further technical solution, first guide wire exit openings are located at the port of the catheter main body distal end
Place, second guide wire exit openings are located on the side wall of the catheter main body distal end, and second guide wire exit openings are led with described first
Being staggered between silk outlet has a distance.
As a kind of further technical solution, have between first guide wire exit openings and the second guide wire exit openings along described
Catheter main body is axially extending, and the cone structure that diameter is gradually increased.
As a kind of further technical solution, the first seal wire entrance and the second seal wire entrance are located at the conduit master
The opposite sides of body middle section side wall, and be staggered between the first seal wire entrance and the second seal wire entrance and have a distance.
As a kind of further technical solution, first guidewire lumen is set close to the position of first guide wire exit openings
It is equipped with the first development section.
As a kind of further technical solution, second guidewire lumen is set close to the position of second guide wire exit openings
It is equipped with the second development section.
As a kind of further technical solution, the hardness of the catheter main body is proximally gradually increased from its distal end.
As a kind of further technical solution, second guide wire exit openings have guide portion, and the guide portion is for making
Seal wire extends relative to the catheter main body in forked.
As a kind of further technical solution, the guide portion includes: to be arranged in second guide wire exit openings distal side
One section of arc structure and/or bevel structure.
Using the technical solution of above-mentioned first aspect, the utility model has the following beneficial effects:
The utility model provides a kind of two-chamber microtubular, and there is the first guidewire lumen and second to lead for the inside of catheter main body
Fiber tube chamber not only can avoid two seal wires from mutually winding, provide success rate of operation, moreover, when moving back conduit, by
In on the middle section side wall that the first seal wire entrance and the second seal wire entrance are arranged at catheter main body, two seal wires need to only be fixed,
Directly catheter main body is disposably extracted, quickly and conveniently, improves procedure efficiency.
Second aspect, the utility model provide a kind of interventional therapy equipment comprising two-chamber microtubular recited above.It should
Two-chamber microtubular includes: catheter main body, and the inside of the catheter main body has the first guidewire lumen and the second guidewire lumen, described
The distal end of catheter main body is provided with the first guide wire exit openings and the second guide wire exit openings, is provided on the middle section side wall of the catheter main body
First seal wire entrance and the second guide wire exit openings, first guidewire lumen is connected to the first seal wire entrance and the first seal wire goes out
Mouthful, second guidewire lumen is connected to the second seal wire entrance and the second seal wire entrance.
Using the technical solution of above-mentioned second aspect, the utility model has the following beneficial effects:
Interventional therapy equipment provided by the utility model, can be applied to the conveying of sacculus or bracket, by including institute above
The two-chamber microtubular stated equally has the advantages that quickly and easily carry out moving back conduit, improves procedure efficiency.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of two-chamber microtubular provided by the embodiment of the utility model；
Fig. 2 is the schematic cross-section of two-chamber microtubular shown in FIG. 1；
Fig. 3 is the use state diagram of two-chamber microtubular provided by the embodiment of the utility model.
Icon: the first guide wire exit openings of 1-；The second guide wire exit openings of 2-；3- catheter main body；4- the first seal wire entrance；5- second is led
Silk entrance；The first guidewire lumen of 31-；The second guidewire lumen of 32-.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
Specific embodiment of the present utility model is described in detail below in conjunction with attached drawing.It should be understood that herein
Described specific embodiment is only used for describing and explaining the present invention, and is not intended to limit the utility model.
Embodiment one
In conjunction with shown in Fig. 1 to Fig. 3, the present embodiment provides a kind of two-chamber microtubulars comprising: catheter main body 3, conduit master
The inside of body 3 has the first guidewire lumen 31 and the second guidewire lumen 32, and (the first guidewire lumen 31 and the second guidewire lumen 32 are simultaneously
Row's setting), the distal end of catheter main body 3 is provided with the first guide wire exit openings 1 and the second guide wire exit openings 2, the middle section side wall of catheter main body 3
On be provided with the first seal wire entrance 4 and the second seal wire entrance 5 (that is, the first seal wire entrance 4 and the second seal wire entrance 5 are
For side opening), the first guidewire lumen 31 is connected to the first seal wire entrance 4 and the first guide wire exit openings 1, and the second guidewire lumen 32 connects
Pass through the second seal wire entrance 5 and the second guide wire exit openings 2.When moving back conduit, since the first seal wire entrance 4 and the second seal wire enter
Mouth 5 is arranged on the middle section side wall of catheter main body 3, need to only be fixed two seal wires, directly disposably extracts catheter main body 3
, quickly and conveniently, improve procedure efficiency.
In the present embodiment, as a kind of further technical solution, the first guide wire exit openings 1 are located at 3 distal end of catheter main body
At port, the second guide wire exit openings 2 are located on the side wall of 3 distal end of catheter main body, the second guide wire exit openings 2 and the first guide wire exit openings 1 it
Between be staggered and have a distance.Certainly, the distance between the second guide wire exit openings 2 and the first guide wire exit openings 1 can be clever according to actual needs
Setting living.Preferably, the distance between the first guide wire exit openings 1 and the second guide wire exit openings 2 can be set to 6.5mm.In this way can
So that two seal wires can accordingly carry out bifurcated conveying in 3 distal end (bifurcated lesions position) of catheter main body.
In the present embodiment, as a kind of further technical solution, between the first guide wire exit openings 1 and the second guide wire exit openings 2
With the cone structure that axially extending and diameter is gradually increased along catheter main body 3.The cone structure is smooth by the way of gradual change
Transition, also for the benefit of seal wire carries out bifurcated conveying for the part, and can be reduced resistance.
Further, the second guide wire exit openings 2 have guide portion, and guide portion is in relative to catheter main body 3 for making seal wire
Forked extends.As a kind of further technical solution, guide portion includes: one that 2 distal side of the second guide wire exit openings is arranged in
Section arc structure and/or bevel structure.It should be noted that need to only process a semicircle during fabrication in order to easy to process
The shrinkage pool of shape.
In the present embodiment, the first seal wire entrance 4 and the second seal wire entrance 5 are located at opposite the two of 3 middle section side wall of catheter main body
Side, and be staggered between the first seal wire entrance 4 and the second seal wire entrance 5 and have a distance.Similarly, the first seal wire entrance 4 and second
The distance between seal wire entrance 5 can flexible setting according to actual needs.Preferably, the first seal wire entrance 4 and the second seal wire entrance 5
The distance between can be set to 6mm.Wherein, the first seal wire entrance 4 facilitates operation closer to the distal end of catheter main body 3.
In the present embodiment, position is confirmed for convenience, is set in the first guidewire lumen 31 close to the position of the first guide wire exit openings 1
It is equipped with the first development section.It is corresponding, the position of second guide wire exit openings 2 is provided with the second development in the second guidewire lumen 32
Portion.The material of first development section and the second development section can be made of platinumiridio, gold or tungsten gold etc., be embedded in the first seal wire
It exports near the 1, second guide wire exit openings 2, doctor can be helped to accurately hold the position of position and guide wire exit openings that conduit reaches, had
Conducive to going on smoothly for operation.
In the present embodiment, it is preferred that the hardness of catheter main body 3 is proximally gradually increased from its distal end.Certainly, in conduit
The hardness of 3 distal end of main body is flexible structure.Certainly, in addition to this, catheter main body 3 can also meet the requirement of other hardness.
In the present embodiment, for catheter main body 3, specific material is not limited to, can be used multiple material it is compound and
At.Such as: catheter main body 3 includes first structure layer (internal layer), label nitride layer (middle layer) and the second structure sheaf (outer layer), and first
Structure sheaf, label nitride layer and the second structure sheaf are cascading from inside to outside.By being made into such structure, can be set as
With desired characteristics such as inhibition catheter main body bendings.
Preferably, as first structure layer, the constituent material of the second structure sheaf, polyamide-based resin, polyester are able to use
Class polyamide-based resin, polyethers polyamide, polyurethane, ABS resin, polyester elastomer resin, polyurethane elastomer tree
Any one in rouge, fluorine resin (PFA, PTFE, ETFE etc.).It is used as first especially by by ABS resin or nylon
The constituent material of structure sheaf, the second structure sheaf, so as to assign intensity appropriate to main body top end part.Moreover, by
One structure sheaf uses fluorine resin, preferably PTFE, to improve the operability for being inserted into the guide line of lumen.
Preferably, the material for constituting label nitride layer is preferably the X-ray as barium sulfate, bismuth oxide, tungsten etc.
Non-transmittive material.In addition, in the present embodiment, for the catheter main body 3 further include: enhancement layer, enhancement layer are set to first structure
Between two layers of arbitrary neighborhood in layer, label nitride layer and the second structure sheaf.Such as: the enhancement layer can be pre-buried metal mesh.
Preferably, the shape of a mesh for constituting metal mesh is not specifically limited, and can be made into for example round, approximate rectangle, approximation
Ellipse.In addition, the enhancement layer may be screw type threadiness structural body, adjustment conduit is easy to according to spiral helicine circle number
Intensity.
In the present embodiment, first structure layer (internal layer), label nitride layer (middle layer) and the second structure sheaf (outer layer) each other may be used
It is bonded together by bonding agent appropriate, is perhaps connected using hot melting way or is integrally formed by injection molding manner etc..This
Outside, those of ordinary skill in the art can carry out adaptive improvement to catheter main body 3 on the basis of above structure, such as:
Increase hydrophilic coating on the surface of catheter main body 3, to increase its lubricity, so as to facilitate push.
Certainly, the two-chamber microtubular in the present embodiment can also with increase a drug injection chamber, the drug injection chamber with
First guidewire lumen 31 and the second guidewire lumen 32 are connected in parallel use.In addition it is also possible to a Vascular Ultrasonography conduit in parallel,
The front end of the Vascular Ultrasonography conduit is set to ring-shaped ultrasonic probe etc..It is to be understood that those skilled in the art can be
Adaptation is carried out on the basis of above structure.
To sum up, the present embodiment provides a kind of two-chamber microtubular, the inside of catheter main body 3 has 31 He of the first guidewire lumen
Second guidewire lumen 32 not only can avoid two seal wires from mutually winding, provide success rate of operation, moreover, moving back conduit
When, it, only need to be by two since the first seal wire entrance 4 and the second seal wire entrance 5 are arranged on the middle section side wall of catheter main body 3
Root seal wire is fixed, and is directly disposably extracted catheter main body 3, quickly and conveniently, is improved procedure efficiency.
Embodiment two
The present embodiment provides a kind of interventional therapy equipment comprising two-chamber microtubular described in embodiment one.The intervention
Therapeutic equipment can be applied to the conveying of sacculus or bracket, and due to including two-chamber microtubular above, equally having can be quick and convenient
Ground carries out the advantages of moving back conduit, improves procedure efficiency.Technology contents disclosed in embodiment one are also applied for the present embodiment two,
The published technical characteristic of embodiment one is not repeated to describe.Certainly, which further includes other and two-chamber is micro- leads
The equipment that pipe is used cooperatively, such as: the interventional therapy equipment includes: X-ray equipment, and X-ray equipment is penetrated for occurring and controlling X
Line is used to carry out actinoscopy to tissue.Such equipment has X-ray generator, patient bed and equipment support device,
The necessary parts such as filter plate, it is also possible to including signal analysis and display portion, cooling system, body cavity treatment tube and therapeutic scheme journey
Sequence etc..
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of two-chamber microtubular characterized by comprising catheter main body；
The inside of the catheter main body has the first guidewire lumen and the second guidewire lumen, and the distal end of the catheter main body is provided with
First guide wire exit openings and the second guide wire exit openings are provided with the first seal wire entrance and second on the middle section side wall of the catheter main body and lead
Silk entrance, first guidewire lumen are connected to the first seal wire entrance and the first guide wire exit openings, second guidewire lumen
It is connected to the second seal wire entrance and second guide wire exit openings.
2. two-chamber microtubular according to claim 1, which is characterized in that first guide wire exit openings are located at the conduit master
At the port of body distal end, second guide wire exit openings are located on the side wall of the catheter main body distal end, second guide wire exit openings
Being staggered between first guide wire exit openings has a distance.
3. two-chamber microtubular according to claim 2, which is characterized in that first guide wire exit openings and the second guide wire exit openings
Between there is, and cone structure that diameter be gradually increased axially extending along the catheter main body.
4. two-chamber microtubular according to claim 1, which is characterized in that the first seal wire entrance and the second seal wire entrance
Positioned at the opposite sides of catheter main body middle section side wall, and it is staggered and has between the first seal wire entrance and the second seal wire entrance
A distance.
5. two-chamber microtubular according to claim 1, which is characterized in that first guidewire lumen is led close to described first
The position of silk outlet is provided with the first development section.
6. two-chamber microtubular according to claim 1, which is characterized in that second guidewire lumen is led close to described second
The position of silk outlet is provided with the second development section.
7. two-chamber microtubular according to claim 1, which is characterized in that second guide wire exit openings have guide portion, institute
Guide portion is stated for extending seal wire in forked relative to the catheter main body.
8. two-chamber microtubular according to claim 7, which is characterized in that the guide portion includes: to be arranged described second
The one section of arc structure and/or bevel structure of guide wire exit openings distal side.
9. two-chamber microtubular according to claim 1, which is characterized in that the hardness of the catheter main body from its distal end to its
Proximal end gradually increases.
10. a kind of interventional therapy equipment, which is characterized in that including two-chamber microtubular as described in claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820916400.0U CN209270600U (en) | 2018-06-13 | 2018-06-13 | Two-chamber microtubular and the interventional therapy equipment for applying it |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820916400.0U CN209270600U (en) | 2018-06-13 | 2018-06-13 | Two-chamber microtubular and the interventional therapy equipment for applying it |
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| CN209270600U true CN209270600U (en) | 2019-08-20 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111135423A (en) * | 2020-01-14 | 2020-05-12 | 惠州市顺美医疗科技有限公司 | Super-selective catheter with good fixing effect |
| WO2021238018A1 (en) * | 2020-05-27 | 2021-12-02 | 深圳北芯生命科技股份有限公司 | Microcatheter having double cavities |
-
2018
- 2018-06-13 CN CN201820916400.0U patent/CN209270600U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111135423A (en) * | 2020-01-14 | 2020-05-12 | 惠州市顺美医疗科技有限公司 | Super-selective catheter with good fixing effect |
| WO2021238018A1 (en) * | 2020-05-27 | 2021-12-02 | 深圳北芯生命科技股份有限公司 | Microcatheter having double cavities |
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