CN209529871U - A kind of mouth rotating type guiding catheter and the interventional therapy equipment using it - Google Patents
A kind of mouth rotating type guiding catheter and the interventional therapy equipment using it Download PDFInfo
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- CN209529871U CN209529871U CN201821685064.XU CN201821685064U CN209529871U CN 209529871 U CN209529871 U CN 209529871U CN 201821685064 U CN201821685064 U CN 201821685064U CN 209529871 U CN209529871 U CN 209529871U
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- guiding catheter
- rotating type
- main body
- type guiding
- mouth
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Abstract
The utility model relates to the field of medical instrument technology, more particularly, to a kind of mouth rotating type guiding catheter and using its interventional therapy equipment.The mouth rotating type guiding catheter includes: catheter main body；The catheter main body is the tubular element with lumen, is distributed with the pipe shaft of several segments different hardness grade on the tubular element, and the hardness level of the pipe shaft is from the proximal end of the tubular element to distally gradually decreasing；The catheter main body is connect proximally by rotation mouth structure with the connector of three three-way devices；The guiding catheter integrally has good shape-retaining force, while conduit also has stronger support force, and, the guiding catheter can be connect by rotation mouth structure with three three-way devices, convenient for the replacement of guiding catheter, facilitate operation, and its junction also has good airtightness, is conducive to promote and apply.
Description
Technical field
The utility model relates to the field of medical instrument technology, more particularly, to a kind of mouth rotating type guiding catheter and apply its
Interventional therapy equipment.
Background technique
Guiding catheter is a kind of special extra heavy pipe cavities conduit pipe, and in blood vessel intervention operation, the effect of guiding catheter is for it
His intervention apparatus provides stable access, reaches the position specified in blood vessel convenient for the instrument.As it can be seen that guiding catheter is PCI
Operating platform is the channel of sacculus, seal wire conveying, therefore the suitable guiding catheter of size, shape not only contributes to subsequent operation
Go on smoothly, improve the success rate of operation, and potential postoperative complication and cardiovascular event can be significantly reduced, thus
The importance of guiding catheter selection is self-evident and one of the most basic technology of PCI.But current guiding catheter
Also there is some shortcomings, such as: it is limited by the self-contained connector of guiding catheter, the substitute mode list of guiding catheter
One, it can not arbitrarily replace.Moreover, overall structure manufacturing cost is high.
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
The purpose of this utility model is to provide a kind of mouth rotating type guiding catheter and using its interventional therapy equipment, can lead to
Overwinding mouth structure is connect with three three-way devices, convenient for the replacement of guiding catheter, facilitates operation, and also have good airtightness.
To achieve the goals above, the utility model uses following technical scheme:
In a first aspect, the utility model provides a kind of mouth rotating type guiding catheter, comprising: catheter main body；The catheter main body
For the tubular element with lumen, the pipe shaft of several segments different hardness grade is distributed on the tubular element, the pipe shaft
Hardness level is from the proximal end of the tubular element to distally gradually decreasing；The catheter main body proximally by rotation mouth structure and three
Join the connector connection of three-way device；The rotation mouth structure includes an insertion section being connected with the lumen and a coaxial sleeve set on described
Insertion section screws portion；Described to screw the space that is screwed on that arc is formed between portion and insertion section, the space that is screwed on is for accommodating
The connector of three three-way devices, so that the insertion section is inserted into the connector of three three-way devices, and the portion of screwing is threadedly connected to
The connector of three three-way device.
As a kind of further technical solution, the inner surface for screwing portion is provided with one section of threaded hole, is used for and institute
State the joint screw thread connection of three three-way devices.
As a kind of further technical solution, the inner surface for screwing portion is provided with one section of radial slot, the radial direction
Sealing ring is provided in slot.
As a kind of further technical solution, the tubular element has internal layer, middle layer and outer layer；The internal layer and
Outer layer is polymer material layer；The middle layer is metallic netted structural.
As a kind of further technical solution, the metallic netted structural is that screw type threadiness coils body.
As a kind of further technical solution, the outer layer is provided with hydrophilic coating.
As a kind of further technical solution, the proximal end of the catheter main body is embedded to be provided with the first label band, described
The distal end of catheter main body is embedded to be provided with the second label band.
Second aspect, the utility model provide a kind of interventional therapy equipment comprising the mouth rotating type guiding catheter.It should
Mouth rotating type guiding catheter includes: catheter main body；The catheter main body is the tubular element with lumen, is divided on the tubular element
It is furnished with the pipe shaft of several segments different hardness grade, the hardness level of the pipe shaft is from the proximal end of the tubular element to distally gradually
It reduces；The catheter main body is connect proximally by rotation mouth structure with the connector of three three-way devices；The rotation mouth structure includes one
What the insertion section being connected with the lumen and a coaxial sleeve were set to the insertion section screws portion；It is described to screw between portion and insertion section
The space that is screwed on of arc is formed, the space that is screwed on is for accommodating the connector of three three-way devices, so that the insertion section is inserted into
The connector of three three-way devices, and the portion of screwing is threadedly connected to the connector of three three-way device.
By adopting the above technical scheme, the utility model has the following beneficial effects:
The utility model provides a kind of mouth rotating type guiding catheter, and structure is simple, and replacement is convenient.The guiding catheter integrally has
Good shape-retaining force, while conduit also has stronger support force, moreover, the guiding catheter can be by revolving mouth structure and three
Join three-way device connection, convenient for the replacement of guiding catheter, facilitates operation, and its junction also has good airtightness, conducive to pushing away
Extensively with application.
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 schematic diagram that mouth rotating type guiding catheter provided by the embodiment of the utility model is connect with three three-way devices；
Fig. 2 is the decomposition diagram of the corresponding rotation mouth structure of A in Fig. 1.
Icon: 1- catheter main body；Tri- three-way device of 3-；The insertion section 21-；23- sealing ring；24- screws portion.
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
Referring to figs. 1 and 2, the present embodiment provides a kind of mouth rotating type guiding catheters, comprising: catheter main body 1；It is described to lead
Pipe main body 1 is the tubular element with lumen, and the pipe shaft of several segments different hardness grade is distributed on the tubular element, described
From the proximal end of the tubular element to distally gradually decreasing, the mode of this subsection setup can make to guide the hardness level of pipe shaft
Conduit integrally has good shape-retaining force, while conduit also has stronger support force；The proximal end of the catheter main body 1 is logical
Overwinding mouth structure is connect with the connector of three three-way devices 3；The rotation mouth structure includes an insertion section 21 being connected with the lumen
Portion 24 is screwed set on the insertion section 21 with a coaxial sleeve；Described screw forms being screwed on for arc between portion 24 and insertion section 21
Space, the space that is screwed on is for accommodating the connector of three three-way devices 3, so that the insertion section 21 is inserted into three three-way devices 3
Connector, and the connector for screwing portion 24 and being threadedly connected to three three-way device 3.Certainly, corresponding guiding catheter can be with
Remove pervious joint assembly, is connect only by rotation mouth structure with three three-way devices 3, it is convenient convenient for the replacement of guiding catheter
Operation, and its junction also has good airtightness.
In the present embodiment, which can be the component being separately provided, can also be with guiding catheter or three threeways
The integrally formed component of device 3.Wherein, the specific material of the rotation mouth structure does not limit to, and can be plastic material, or gold
Belong to material.
In the present embodiment, it is preferred that this, which screws portion 24, can be set to the shape of nut, which sets
It is equipped with one section of threaded hole, for being connect with the joint screw thread of three three-way device 3 (it is worth noting that three three-way device 3
Connector can be existing connector, only need to be machined with external screw thread in connector；In addition, the connector of three three-way device 3
It may be external connector, external screw thread be machined on external connector；In other words, the threaded hole of the inner surface for screwing portion 24 is
Threaded hole made of elastic material, it is also contemplated that the not threading on the connector of three three-way devices 3, selectable herein
There are many multiplicity for mode).
As a kind of further technical solution, the inner surface for screwing portion 24 is provided with one section of radial slot (annular
Slot), sealing ring 23 is provided in the radial slot, and the joint sealing for three three-way devices 3 contacts.Preferably, the radial slot
It is set to the root position in the portion of screwing 24.Further, it is also possible to be arranged in radial slot with magnetic part, it is corresponding in three three-way devices 3
Connector outer surface be arranged metal layer, so that suction-operated can be completed.
Certainly, bevel structure can also be set in the root position for screwing portion 24, naturally it is also possible in three threeways
The connector end face of device 3 is provided with the joint face to match with the bevel structure.
It can be preferably the hollow tubular object being connect with catheter main body 1 for insertion section 21 in the present embodiment.When
So, which equally can be with 1 integrally connected of catheter main body, can also be unrestricted herein using detachably connected.
In the present embodiment, the tubular element has internal layer, middle layer and outer layer；The internal layer and outer layer are polymeric material
The bed of material；The middle layer is metallic netted structural.
As the constituent material of internal layer and outer layer, it is able to use polyamide-based resin, polyesters polyamide-based resin, polyethers
Class polyamide, polyurethane, ABS resin, polyester elastomer resin, polyurethane elastomer resins, fluorine resin (PFA,
PTFE, ETFE etc.) in any one.Especially by the composition material that ABS resin or nylon are used as to internal layer and outer layer
Material, so as to assign intensity appropriate to main body top end part.Moreover, by using fluorine resin in internal layer, preferably
PTFE, to improve the operability for being inserted into the guide line of lumen.
As the constituent material of middle layer, the metallic netted structural is that screw type threadiness coils body.According to spiral helicine
Circle number is easy to the intensity of adjustment conduit.In addition, the shape of a mesh for constituting metal mesh is not specifically limited, example can be made into
Such as round, approximate rectangle, approximate ellipsoidal.Preferably, it is to be understood that in the present embodiment, metal mesh belt can be used
Helically molded line shape coiling setting.
As a kind of further technical solution, the outer layer is provided with hydrophilic coating, thus increase its lubricity, so as to
Push can be facilitated.
As a kind of further technical solution, the proximal end of the catheter main body 1 is embedded to be provided with the first label band, described
The distal end of catheter main body 1 is embedded to be provided with the second label band.
Wherein, the material for constituting label nitride layer is preferably that the X-ray as barium sulfate, bismuth oxide, tungsten etc. is non-
Transmission material.
In the present embodiment, it is preferred that the pipe shaft of 5-10 sections of different hardness grades, every section of pipe are distributed on the tubular element
The length of body is 2-250mm, and the pipe thickness of pipe shaft is 0.5-1.8mm.In the present embodiment, the section of the catheter main body 1
It can be set to different shape, for example, catheter main body 1 in vivo is conveniently of circular shape, 1 shape of catheter main body in vitro
For other shapes.
Embodiment two
The present embodiment provides a kind of interventional therapy equipment comprising mouth rotating type guiding catheter described in embodiment one.It should
Interventional therapy equipment can be applied to the conveying of sacculus or bracket, which further includes cooperating with mouth rotating type guiding catheter
Three threeways used can be existing structure, or the structure of other improvements for three threeways.Implement
Technology contents disclosed in example one are also applied for the present embodiment two, and the published technical characteristic of embodiment one is not repeated to describe.
Certainly, which further includes the equipment that other are used cooperatively with mouth rotating type guiding catheter, such as: Jie
Entering therapeutic equipment includes: X-ray equipment, and X-ray equipment is for occurring and controlling X-ray for carrying out radiation inspection to tissue
It looks into.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 program 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 (8)
1. a kind of mouth rotating type guiding catheter characterized by comprising catheter main body；
The catheter main body is the tubular element with lumen, and several segments different hardness grade is distributed on the tubular element
Pipe shaft, the hardness level of the pipe shaft is from the proximal end of the tubular element to distally gradually decreasing；The proximal end of the catheter main body
It is connect by rotation mouth structure with the connector of three three-way devices；The rotation mouth structure include an insertion section being connected with the lumen and
One coaxial sleeve screws portion set on the insertion section；The space that is screwed on for screwing formation arc between portion and insertion section, it is described
Space be screwed on for accommodating the connector of three three-way devices, so that the insertion section is inserted into the connector of three three-way devices, and described
The portion of screwing is threadedly connected to the connector of three three-way device.
2. mouth rotating type guiding catheter according to claim 1, which is characterized in that the inner surface for screwing portion is provided with one
Section threaded hole, for being connect with the joint screw thread of three three-way device.
3. mouth rotating type guiding catheter according to claim 1, which is characterized in that the inner surface for screwing portion is provided with one
Section radial slot, is provided with sealing ring in the radial slot.
4. mouth rotating type guiding catheter according to claim 1, which is characterized in that the tubular element has internal layer, centre
Layer and outer layer；The internal layer and outer layer are polymer material layer；The middle layer is metallic netted structural.
5. mouth rotating type guiding catheter according to claim 4, which is characterized in that the metallic netted structural is helical-type line
Shape coils body.
6. mouth rotating type guiding catheter according to claim 4, which is characterized in that the outer layer is provided with hydrophilic coating.
7. mouth rotating type guiding catheter according to claim 1, which is characterized in that the embedded setting in the proximal end of the catheter main body
There is the first label band, the distal end of the catheter main body is embedded to be provided with the second label band.
8. a kind of interventional therapy equipment, which is characterized in that led including mouth rotating type guide such as of any of claims 1-7
Pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821685064.XU CN209529871U (en) | 2018-10-17 | 2018-10-17 | A kind of mouth rotating type guiding catheter and the interventional therapy equipment using it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821685064.XU CN209529871U (en) | 2018-10-17 | 2018-10-17 | A kind of mouth rotating type guiding catheter and the interventional therapy equipment using it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209529871U true CN209529871U (en) | 2019-10-25 |
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ID=68247181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821685064.XU Active CN209529871U (en) | 2018-10-17 | 2018-10-17 | A kind of mouth rotating type guiding catheter and the interventional therapy equipment using it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209529871U (en) |
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2018
- 2018-10-17 CN CN201821685064.XU patent/CN209529871U/en active Active
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