CN212521889U - Special-shaped balloon dilatation catheter - Google Patents
Special-shaped balloon dilatation catheter Download PDFInfo
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- CN212521889U CN212521889U CN202021540521.3U CN202021540521U CN212521889U CN 212521889 U CN212521889 U CN 212521889U CN 202021540521 U CN202021540521 U CN 202021540521U CN 212521889 U CN212521889 U CN 212521889U
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Abstract
The utility model provides a pair of dysmorphism sacculus expansion pipe belongs to medical instrument technical field, include: a balloon assembly having a main branch balloon and a side branch balloon in angular communication; one end of the outer catheter is communicated with the balloon component, and the other end of the outer catheter is connected with the base through the pushing rod; one end of the inner catheter is connected with the inner wall of the outer catheter, and the other end of the inner catheter extends into the main branch balloon and is connected with the far end of the main branch balloon; the side branch sacculus is internally provided with a cavity. The balloon dilatation catheter of the utility model can realize the simultaneous introduction and the dilatation of the main branch balloon and the side branch balloon, and can not generate the overlapping phenomenon at the bifurcation ridge of the bifurcation vessel; in addition, before the balloon component is guided in, the side branch balloon can be wound on the main branch balloon due to the fact that the cavity is formed in the side branch balloon, so that the balloon component has a smaller outline outer diameter, and the difficulty coefficient of the balloon dilatation catheter reaching a lesion part is reduced.
Description
Technical Field
The utility model relates to the technical field of medical equipment, concretely relates to dysmorphism sacculus expansion pipe.
Background
Coronary bifurcation lesions account for about 15% of Percutaneous Coronary Intervention (PCI), and in the PCI process, since the bifurcation of coronary artery has complicated anatomy and dynamic changes, and the blood flow of branch vessels is affected, which leads to higher incidence of adverse events, the interventional therapy of bifurcation lesions is still a difficult point in PCI operation.
At present, in the treatment of bifurcation lesion, balloon dilatation catheters are respectively placed at main coronary vessels to dilate the balloon dilatation catheters on the main coronary vessels so as to lead thrombus on vessel walls to fall off; the saccule of the saccule dilating catheter on the coronary artery branch vessel seals off the branch vessel, and the blood vessel blockage caused by the falling thrombus flowing into the branch vessel is avoided.
In the treatment process of the bifurcation lesion, overlarge overlapping parts possibly exist on the balloons of the two balloon dilatation catheters at the bifurcation ridges of the bifurcated blood vessels, the blood vessels are seriously squeezed, the blood vessels are damaged and even the blood vessels are broken, and meanwhile, the operation of the anastomosis balloon dilatation is complex and the medical cost is high.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model lies in overcoming the treatment of the branching pathological change among the prior art, two sacculus expansion pipes use simultaneously, cause two sacculus to overlap easily and the defect of vascular damage appears to provide a special-shaped sacculus expansion pipe that can avoid two sacculus to overlap.
In order to solve the technical problem, the utility model provides a dysmorphism sacculus expansion pipe, include:
a balloon assembly having a main branch balloon and a side branch balloon in angular communication;
one end of the outer catheter is communicated with the balloon component, and the other end of the outer catheter is connected with a base through a pushing rod;
one end of the inner catheter is connected to the inner wall of the outer catheter, and the other end of the inner catheter extends into the main branch balloon and is connected with the far end of the main branch balloon;
the side branch sacculus is internally provided with a cavity.
Preferably, the inner catheter is provided with developing marks at intervals, and the developing marks comprise: a first development mark, a second development mark, and a third development mark;
the first visualization mark and the second visualization mark are respectively arranged at the far end and the near end of the main branch balloon, and the third visualization mark is arranged near the bifurcation point of the main branch balloon and the side branch balloon.
Preferably, the position of the third developing mark and the position of the vertex of the included angle between the main branch balloon and the far end of the side branch balloon are arranged oppositely along the vertical direction of the inner catheter.
Preferably, the side branch balloon and the main branch balloon are integrally formed.
Preferably, the distal angle between the side branch balloon and the main branch balloon is an acute angle.
Preferably, the distal angle between the side branch balloon and the main branch balloon is 15 °, 30 ° or 45 °.
Preferably, one end of the inner guide tube connected to the inner wall of the outer guide tube communicates with the outside of the outer guide tube.
Preferably, the balloon component is made of nylon.
Preferably, the outer catheter and the inner catheter are made of polyether amide materials.
Preferably, the outer catheter is provided with a lubricating coating.
The utility model discloses technical scheme has following advantage:
1. the utility model provides a special-shaped balloon dilatation catheter, which is provided with a main branch balloon and a side branch balloon which are communicated in an angle manner, can realize the simultaneous leading-in and the expansion of the main branch balloon and the side branch balloon, and can not generate the overlapping phenomenon at the bifurcation ridge of a bifurcation blood vessel; in addition, before the balloon component is guided in, the side branch balloon can be wound on the main branch balloon due to the fact that the cavity is formed in the side branch balloon, so that the balloon component has a smaller outline outer diameter, and the difficulty coefficient of the balloon dilatation catheter reaching a lesion part is reduced.
2. The utility model provides a special-shaped balloon dilatation catheter, which judges whether a main branch balloon is guided into a diseased part of a bifurcation vessel or not according to a first developing mark and a second developing mark; in addition, the location is carried out according to the third developing mark and the bifurcation point of the bifurcation blood vessel, so as to ensure that the side branch saccule is better guided into the branch blood vessel of the bifurcation blood vessel.
3. The utility model provides a special-shaped balloon dilatation catheter, wherein a side branch balloon forms a near-end bifurcation point and a far-end bifurcation point on a main branch balloon; the position of the third developing mark and the far-end bifurcation point of the side branch sacculus are arranged just opposite to each other along the vertical direction of the inner catheter, and the position of the side branch sacculus can be accurately judged through the third developing mark.
4. The utility model provides a dysmorphism sacculus expansion pipe, side branch sacculus and main branch sacculus are integrated into one piece for the seal of two sacculus is better, can bear higher pressure.
5. The utility model provides a dysmorphism sacculus expansion pipe, the outside intercommunication with outer pipe of inner catheter, the seal wire can stretch into in the inner catheter, assists the leading-in process of sacculus subassembly.
6. The utility model provides a dysmorphism sacculus expansion pipe, the nylon material increases the pliability of sacculus subassembly, the expansion of the sacculus subassembly of not only being convenient for, the coiling of the branch sacculus of the side of also being convenient for simultaneously.
7. The utility model provides a dysmorphism sacculus expansion pipe, polyether amide material make outer pipe and inner catheter more sturdy, are convenient for to the propelling movement of sacculus subassembly.
8. The utility model provides a dysmorphism sacculus expansion pipe, the friction in outer pipe and guide chamber has been reduced in the setting of lubricity coating for the propelling movement process is more smooth.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic front view of the special-shaped balloon dilatation catheter provided in the present invention.
Fig. 2 is an enlarged view of the area a in fig. 1.
Description of reference numerals:
1. a balloon assembly; 2. an outer catheter; 3. an inner conduit; 4. a push rod; 5. a base; 6. a fast switching port; 7. a main branch balloon; 8. a side branch balloon; 9. a tip catheter; 10. a first development mark; 11. a second development mark; 12. a third development mark; 13. a distal bifurcation point; 14. a proximal bifurcation point.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
The embodiment provides a dysmorphism balloon dilatation catheter, includes: a balloon assembly 1, an outer catheter 2 and an inner catheter 3.
As shown in fig. 1 and 2, the distal end of the outer catheter 2 is communicated with the balloon assembly 1, the proximal end of the outer catheter 2 is connected with a base 5 through a push rod 4, and a fast exchange port 6 communicated with the outside is arranged on the side wall of the outer catheter 2. The balloon assembly 1 comprises a main branch balloon 7 and a side branch balloon 8, wherein the main branch balloon 7 is connected with the side branch balloon 8 in an angle communication manner; a cavity is formed in the side branch balloon 8, and the side branch balloon 8 forms a proximal bifurcation point 14 and a distal bifurcation point 13 on the main branch balloon 7; the main branch balloon 7 is communicated with the distal end of the outer catheter 2, a tip catheter 9 extends out of the distal end of the main branch balloon 7, and the tip catheter 9 is communicated with the main branch balloon 7; the inner catheter 3 extends into the main branch balloon 7 through the quick exchange port 6 and is communicated with the tip catheter 9, and the distal end of the inner catheter 3 is connected to the inner wall of the outer catheter 2.
As shown in fig. 1 and 2, a first development mark 10, a second development mark 11 and a third development mark 12 are provided at intervals on the inner catheter 3; the first developing mark 10 and the second developing mark 11 are respectively arranged at the far end and the near end of the main branch balloon 7 and are used for judging whether the main branch balloon 7 is guided into a lesion part of a bifurcation blood vessel; the third developing mark 12 is arranged between the first developing mark 10 and the second developing mark 11, the position of the third developing mark 12 is opposite to the far-end bifurcation 13 of the side branch balloon 8 in the vertical direction of the inner catheter 3, and the far-end bifurcation 13 of the side branch balloon 8 can be accurately judged by observing the position of the third developing mark 12.
As shown in fig. 1 and 2, the main branch balloon 7 and the side branch balloon 8 are both made of nylon, so that the flexibility of the balloon assembly 1 is increased; the main branch balloon 7 and the side branch balloon 8 realize simultaneous plasticity through an integral forming technology, and the bearing capacity of the balloon component 1 is improved while the airtightness is improved; the far-end included angle between the lateral branch balloon 8 and the main branch balloon 7 is an acute angle phi, and phi has three values of 15 degrees, 30 degrees and 45 degrees respectively.
As shown in fig. 1 and 2, the outer catheter 2 and the inner catheter 3 are made of polyether amide materials, so that the rigidity of the outer catheter 2 and the inner catheter 3 is improved, and the balloon assembly 1 is pushed conveniently; in addition, the outer catheter 2 is coated with a lubricating coating, so that the friction between the outer catheter 2 and the guide cavity is reduced in the pushing process, and the pushing process is smoother.
The using method comprises the following steps:
before use, the main branch balloon 7 and the side branch balloon 8 are in a vacuum state, and the side branch balloon 8 is wound on the main branch balloon 7 and sleeved with a retaining sleeve;
when in use, a guide catheter is guided into the bifurcated vessel to form a guide cavity in the pushing process; removing the retaining sleeve while the side branch balloon 8 is still wrapped around the main branch balloon 7; meanwhile, a guide wire is extended from the quick exchange port 6 to increase the rigidity of the balloon component 1; then pushing the balloon component 1 through the guide cavity; adjusting the position of the balloon component 1 according to the third visualization mark 12, and expanding the balloon component 1 until reaching the bifurcation lesion after aligning the third visualization mark 12 with the distal bifurcation point 13 of the bifurcated vessel;
the balloon dilatation catheter can simultaneously guide and expand the main branch balloon 7 and the side branch balloon 8, can not generate the overlapping phenomenon at the bifurcation ridge of the bifurcated vessel, and simultaneously reduces the number of medical instruments used in the operation; in addition, before the balloon component 1 is introduced, the side branch balloon 8 can be wound on the main branch balloon 7 due to the fact that the cavity is formed in the side branch balloon 8, so that the balloon component 1 has a smaller outline outer diameter, and the difficulty coefficient of the balloon dilatation catheter reaching a lesion site is reduced.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (10)
1. A contoured balloon dilation catheter, comprising:
a balloon assembly (1) having a main branch balloon (7) and a side branch balloon (8) in angular communication;
one end of the outer catheter (2) is communicated with the balloon component (1), and the other end of the outer catheter is connected with a base (5) through a pushing rod (4);
one end of the inner catheter (3) is connected to the inner wall of the outer catheter (2), and the other end of the inner catheter extends into the main branch balloon (7) and is connected with the far end of the main branch balloon (7);
the side branch sacculus (8) is internally provided with a cavity.
2. The profiled balloon dilatation catheter according to claim 1, characterized in that the inner catheter (3) is provided with visualization marks at intervals, the visualization marks comprising: a first development mark (10), a second development mark (11), and a third development mark (12);
the first visualization mark (10) and the second visualization mark (11) are respectively arranged at the far end and the near end of the main branch balloon (7), and the third visualization mark (12) is arranged near the bifurcation point of the main branch balloon (7) and the side branch balloon (8).
3. The contoured balloon dilation catheter according to claim 2, wherein the third visualization mark (12) is located opposite the apex of the angle between the distal ends of the main branch balloon (7) and the side branch balloon (8) in a vertical direction of the inner catheter (3).
4. The contoured balloon dilation catheter according to any one of claims 1-3 wherein the side branch balloon (8) is integrally formed with the main branch balloon (7).
5. The contoured balloon dilation catheter according to any one of claims 1-3 wherein the distal angle between the side branch balloon (8) and the main branch balloon (7) is acute.
6. The contoured balloon dilation catheter according to claim 5, wherein the distal angle between the side branch balloon (8) and the main branch balloon (7) is 15 °, 30 ° or 45 °.
7. The contoured balloon dilation catheter according to any one of claims 1-3 wherein the end of the inner catheter (3) connected to the inner wall of the outer catheter (2) communicates with the outside of the outer catheter (2).
8. The contoured balloon dilation catheter according to any one of claims 1-3 wherein the balloon assembly (1) is nylon.
9. The contoured balloon dilation catheter according to any one of claims 1-3, wherein the outer catheter (2) and inner catheter (3) are of polyetheramide material.
10. The profiled balloon dilatation catheter according to any of the claims 1-3 characterized in that the outer catheter (2) is provided with a lubricious coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021540521.3U CN212521889U (en) | 2020-07-29 | 2020-07-29 | Special-shaped balloon dilatation catheter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021540521.3U CN212521889U (en) | 2020-07-29 | 2020-07-29 | Special-shaped balloon dilatation catheter |
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| Publication Number | Publication Date |
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| CN212521889U true CN212521889U (en) | 2021-02-12 |
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| CN202021540521.3U Active CN212521889U (en) | 2020-07-29 | 2020-07-29 | Special-shaped balloon dilatation catheter |
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| CN (1) | CN212521889U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114081565A (en) * | 2020-07-29 | 2022-02-25 | 赛诺医疗科学技术股份有限公司 | A special-shaped balloon dilatation catheter |
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2020
- 2020-07-29 CN CN202021540521.3U patent/CN212521889U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114081565A (en) * | 2020-07-29 | 2022-02-25 | 赛诺医疗科学技术股份有限公司 | A special-shaped balloon dilatation catheter |
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