CN115778483A - Balloon catheter structure and device - Google Patents

Abstract

The application discloses sacculus pipe structure and device, sacculus pipe structure includes: the balloon-type magnetic tube comprises a tube body assembly, a balloon, a first loop assembly, a second loop assembly and a magnetic core group, wherein the tube body assembly is sleeved with the balloon, the first loop assembly and the second loop assembly are arranged on the tube body assembly at intervals, and the magnetic core group is arranged between the first loop assembly and the second loop assembly. An apparatus, comprising: the balloon catheter structure and the high-pressure generator are connected with the first loop component. The utility model provides a be provided with the magnetic core group between first return circuit subassembly and the second return circuit subassembly, utilize the electromagnetic induction principle, after first return circuit subassembly circular telegram, second return circuit subassembly can produce electric arc, forms the shock wave simultaneously, and the shock wave passes through the sacculus, transmits to the focus to play the effect of decorating blood vessel. This application has compared prior art and has avoided having the fracture phenomenon that links up the contact and cause between wire and the electrode, and consequently, the product yield of this application is higher, and product life is more of a specified duration.

Description

A balloon catheter structure and device

technical field

The application belongs to the field of medical devices, and in particular relates to a balloon catheter structure and device.

Background technique

Vascular calcification is a ubiquitous common pathological manifestation of atherosclerosis, hypertension, diabetic vasculopathy, vascular injury, chronic kidney disease, and aging. The main manifestations are increased stiffness of the vessel wall and decreased compliance, which can easily lead to myocardial ischemia, left ventricular hypertrophy and heart failure, trigger thrombosis and plaque rupture, and are one of the important factors for the high morbidity and mortality of cardiovascular and cerebrovascular diseases. 1. It is also an important marker molecule of atherosclerotic cardiovascular events, stroke and peripheral vascular disease.

Surgical procedures using balloon catheters have excellent vascular modification effects. The principle is that an arc is generated between the electrodes, and a plasma with extremely low internal resistance is generated, and a shock wave propagating outward is simultaneously generated. The shock wave passes through the balloon, and the outer surface of the balloon is close to the soft tissue of the blood vessel, reaching the calcified lesion with a large acoustic resistance. The lesion area absorbs energy and produces cracks to achieve the purpose of vascular modification.

The cathode, anode and wire of the existing balloon catheter are mostly connected by welding, and the welding point often breaks, resulting in a low product yield and a short product life.

Therefore, there is an urgent need to propose a balloon catheter structure and device to improve the above problems.

Contents of the invention

In view of the shortcomings or deficiencies of the above-mentioned prior art, the technical problem to be solved in the present application is to provide a balloon catheter structure and device.

In order to solve the above technical problems, the application is realized through the following technical solutions:

The present application proposes a balloon catheter structure, including: a tube body assembly, a balloon, a first circuit assembly, a second circuit assembly, and a magnetic core set, the balloon is sheathed on the tube body assembly, and the first circuit assembly The first loop assembly and the second loop assembly are arranged at intervals on the tube body assembly, and the magnetic core group is arranged between the first loop assembly and the second loop assembly.

Optionally, the balloon catheter structure, wherein, the first circuit assembly includes: a first wire; at least one set of first coils are arranged in the middle of the first wire; the first coils are arranged on the inside the balloon.

Optionally, the balloon catheter structure, wherein, the second circuit assembly includes: at least one set of second wires, the second wires are wound into a second coil; the second coil is arranged on the the inside of the balloon.

Optionally, in the balloon catheter structure, a plurality of conductive parts are further provided on the second coil.

Optionally, in the balloon catheter structure, the magnetic core set includes: a magnetic core or a guide wire.

Optionally, in the balloon catheter structure, the shape of the magnetic core includes: helical, linear or E-shaped.

Optionally, the balloon catheter structure, wherein, the tube body assembly includes: a first tube body, a second tube body, a third tube body and a fourth tube body, the first circuit assembly and the The second circuit assembly is arranged on the outer surface of the first pipe body, the second pipe body and the third pipe body are arranged in the first pipe body, and the fourth pipe body is arranged on the The side of the first tube body; the first tube body and the second tube body are provided with corresponding through holes communicating with the inside of the balloon.

Optionally, the balloon catheter structure, wherein, the tube assembly is further provided with a fifth tube, the fifth tube is connected to the first tube, the second tube, the The third pipe body and the fourth pipe body are connected and arranged in the fifth pipe body.

Optionally, in the balloon catheter structure, a conductive medium is arranged inside the balloon.

The present application also proposes a device, comprising the above-mentioned balloon catheter structure and a high-voltage generator, and the high-pressure generator is connected to the first circuit assembly.

Compared with the prior art, the present application has the following technical effects:

A magnetic core group is arranged between the first circuit assembly and the second circuit assembly of the present application. Using the principle of electromagnetic induction, when the first circuit assembly is energized, the second circuit assembly can generate an arc and form a shock wave at the same time, and the shock wave passes through the balloon. Delivered to the lesion, thereby playing the role of modifying blood vessels. Compared with the prior art, the present application avoids the fracture phenomenon caused by the connection point between the wire and the electrode. Therefore, the product yield rate of the present application is higher and the product life is longer.

Description of drawings

Other characteristics, objects and advantages of the present application will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings:

Fig. 1: the structural representation of embodiment 1;

Figure 2: Schematic diagram of the structure of the balloon in Example 1;

Fig. 3: the structural representation of pipe assembly in embodiment 1;

Figure 4: Left view of the structure shown in Figure 3;

Figure 5: the right view of the structure shown in Figure 3;

Fig. 6: the structural representation of the first circuit assembly in embodiment 1;

Fig. 7: the structural representation of the second circuit assembly in embodiment 1;

Fig. 8: the structural representation of embodiment 2;

Fig. 9: the schematic diagram of magnetic core group in embodiment 2;

Fig. 10: the structural representation of embodiment 3;

Fig. 11: The schematic diagram of magnetic core group in embodiment 3;

Fig. 12: the schematic diagram of embodiment 4;

Fig. 13: the schematic diagram of embodiment 5;

Fig. 14: the schematic diagram of embodiment 6;

Fig. 15: the schematic diagram of embodiment 7;

Fig. 16: the schematic diagram of embodiment 8;

Fig. 17: the schematic diagram of embodiment 9;

Fig. 18: the schematic diagram of embodiment 10;

Fig. 19: the schematic diagram of embodiment 11;

Fig. 20: the schematic diagram of embodiment 12;

Fig. 21: the schematic diagram of embodiment 13;

Fig. 22: the schematic diagram of embodiment 14;

In the figure: tube assembly 1, first tube 101, second tube 102, third tube 103, fourth tube 104, fifth tube 105, through hole 106, balloon 2, first circuit assembly 3. The first coil 301 , the first wire 302 , the second loop component 4 , the second coil 401 , the conductive part 402 , the magnetic core set 5 and the conductive medium 6 .

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some of the embodiments of the application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

Example 1

As shown in Figures 1 and 2, one embodiment of the present application, a balloon catheter structure, includes: a tube assembly 1, a balloon 2, a first circuit assembly 3, a second circuit assembly 4 and a magnetic core set 5. The balloon 2 is sheathed on the tube assembly 1, the first circuit assembly 3 and the second circuit assembly 4 are spaced apart on the tube assembly 1, and the magnetic core set 5 It is arranged between the first circuit assembly 3 and the second circuit assembly 4 .

In this embodiment, a magnetic core set 5 is arranged between the first loop assembly 3 and the second loop assembly 4 , and the second loop assembly 4 can generate an arc by using the principle of electromagnetic induction when the first loop assembly 3 is energized. Compared with the prior art, this embodiment avoids the breakage phenomenon caused by the connection point between the wire and the electrode. Therefore, the product yield rate of this embodiment is higher and the product life is longer.

As shown in Figures 3 to 5, the pipe body assembly 1 includes: a first pipe body 101, a second pipe body 102, a third pipe body 103 and a fourth pipe body 104, the first circuit assembly 3 and the The second circuit assembly 4 is arranged on the outer surface of the first pipe body 101, the second pipe body 102 and the third pipe body 103 are connected and arranged in the first pipe body 101, and the first pipe body 101 The four tubes 104 are arranged beside the first tube 101 ; the first tube 101 and the second tube 102 are provided with corresponding through holes 106 communicating with the inside of the balloon 2 .

In this embodiment, the first circuit assembly 3 and the second circuit assembly 4 are arranged on the outer surface of the first pipe body 101, and the first pipe body 101 supports the first circuit assembly 3 and the second circuit assembly 4; the second pipe body 102 and the third tube body 103 are set in the first tube body 101, the second tube body 102 is used to deliver the conductive medium 6 into the balloon 2, and the third tube body 103 is used to guide the direction of the balloon catheter structure guide wire; the fourth tube body 104 is used to accommodate the guide wire.

Specifically, the balloon 2 is provided with a conductive medium 6; the conductive medium 6 includes but not limited to a conductive gas or a conductive liquid.

In this embodiment, the conductive medium 6 in the balloon 2 is transported through the second tube body 102 and delivered into the balloon 2 through the through hole 106 .

Optionally, the pipe body assembly 1 is also provided with a fifth pipe body 105, the fifth pipe body 105 is connected to the first pipe body 101, the second pipe body 102, the third pipe body 103 is connected to the fourth tube body 104 and arranged in the fifth tube body 105 .

In this embodiment, the tube body assembly 1 is further provided with a fifth tube body 105, and the fifth tube wraps the first tube body 101 and the fourth tube body, making the structure more compact.

Optionally, the fourth tube body 104 has two arc surfaces, the concave surface of one arc surface corresponds to the outer surface of the first tube body 101, and the convex surface of the other arc surface corresponds to the inner surface of the fifth tube body 105. Correspondingly, the space can be fully utilized.

Specifically, the first circuit assembly 3 includes: a first wire 302; at least one set of first coils 301 are arranged in the middle of the first wire 302; the first coils 301 are arranged inside the balloon 2 .

As shown in Figure 6, the number of the first coil 301 is set as one group, and the two ends of the first coil 301 are respectively connected to the first wire 302, that is, the first wire 302 and the first coil 301 of this embodiment use a A wire, and the middle part of the wire is wound into a first coil 301, thereby forming an integrated first circuit assembly 3. Specifically, the first coil 301 is wound on the first tube body 101 and located inside the balloon 2 .

Specifically, the second circuit assembly 4 includes: at least one set of second wires, the second wires are helically wound into a second coil 401 ; the second coil 401 is disposed inside the balloon 2 . As shown in FIG. 7 , the number of the second wires is set as one group, and the second wires are wound to form a second coil 401 . Specifically, the second coil 401 is wound on the first tube body 101 , the second coil 401 is spaced from the first coil 301 , and the second coil 401 is also arranged inside the balloon 2 .

Specifically, an insulating layer is provided on the outer surfaces of the first circuit assembly 3 and the second wire.

Optionally, a plurality of conductive parts 402 are further provided on the second wire.

In this embodiment, the insulating layer on the outer surface of the second wire is stripped, so that the conductive metal inside the second wire is exposed, and the conductive portion 402 is formed. When the first wire 302 is energized, an arc can be generated between the two ends of the second wire and the conductive portion 402 .

Optionally, the magnetic core set 5 includes: a magnetic core or a guide wire.

In this embodiment, the magnetic core group 5 uses a guide wire, that is, the guide wire functions as a magnetic core.

Example 2

As shown in Figure 8, compared with Embodiment 1, the magnetic core group 5 of this embodiment adopts a magnetic core, and the shape is spiral, as shown in Figure 9, the spiral magnetic core is wound on the outer surface of the first tube body 101 , and located between the first coil 301 and the second coil 401, forming another embodiment of the present application.

Example 3

As shown in FIG. 10, compared with Embodiment 1, the magnetic core group 5 of this embodiment adopts a magnetic core, and the shape is linear. As shown in FIG. 11, the linear magnetic core is arranged on the outer surface of the first tube body 101, It is arranged along the axial direction of the first tube body 101 , and the first coil 301 and the second coil 401 are wound outside the linear magnetic core, forming another embodiment of the present application.

Example 4

As shown in FIG. 12 , in this embodiment, compared with Embodiment 1, the number of second conducting wires is set to three, and the three second conducting wires are spirally wound into three second coils 401, and the three second coils 401 are connected in series. , forming another embodiment of the present application, that is, a form in which one first coil 301 connects multiple second coils 401 in series.

Example 5

As shown in Figure 13, compared with Embodiment 1, the number of the second wires in this embodiment is set to three, and the three second wires are spirally wound into three second coils 401, and the three second coils 401 are connected in parallel , forming another embodiment of the present application, that is, a form in which one first coil 301 is connected in parallel to multiple second coils 401 .

Example 6

As shown in Figure 14, compared with Embodiment 1, this embodiment sets the number of first coils 301 to three, and the three first coils 301 are connected in parallel to form another embodiment of this application, that is, multiple first coils 301 The coil 301 is connected in parallel in the form of a second coil 401 .

Example 7

As shown in Figure 15, compared with Embodiment 4, this embodiment sets the number of first coils 301 to three, and the three first coils 301 are connected in parallel to form another embodiment of this application, that is, multiple first coils 301 The coil 301 is connected in parallel to a plurality of second coils 401 in parallel.

Example 8

As shown in Figure 16, compared with Embodiment 5, this embodiment sets the number of first coils 301 to three, and the three first coils 301 are connected in parallel to form another embodiment of this application, that is, multiple first coils 301 The coil 301 is connected in parallel to a plurality of second coils 401 in series.

Example 9

As shown in FIG. 17 , this embodiment proposes a device, including the balloon catheter structure and a high-voltage generator, and the high-voltage generator is connected to the first circuit assembly 3 .

The structure of the balloon catheter in this embodiment is detailed in Embodiment 1 to Embodiment 3, and will not be repeated here.

In this embodiment, the two ends of the first wire 302 are respectively connected to the high-voltage end of the high-voltage generator and the low-voltage end of the high-voltage generator, the switch of the high-voltage generator is turned on, and the high-voltage current is applied to the first wire 302. Magnetic induction, the second coil 401 generates an induced high voltage. At this time, the two ends of the second coil 401 and the conductive part 402 arranged in the conductive medium 6 break down the nearby conductive medium 6 to form plasma sparks and generate shock waves. The shock wave acts on the lesion through the balloon 2 to modify the blood vessel. The first circuit assembly 3 and the second circuit assembly 4 of this embodiment are both of an integral structure, and there is no connection point in the prior art. Therefore, the product yield of this embodiment is higher and the service life is longer.

Example 10

As shown in FIG. 18 , compared with Embodiment 9, the structure of the balloon catheter used in this embodiment refers to Embodiment 4, that is, the structure of the balloon catheter adopts a form in which one first coil 301 is connected in series with multiple second coils 401 .

Example 11

As shown in FIG. 19 , compared with Embodiment 9, the structure of the balloon catheter used in this embodiment refers to Embodiment 5, that is, the structure of the balloon catheter adopts a form in which one first coil 301 is connected in parallel to multiple second coils 401 .

Example 12

As shown in FIG. 20 , compared with Embodiment 9, the structure of the balloon catheter used in this embodiment refers to Embodiment 6, that is, the structure of the balloon catheter adopts the form of a plurality of first coils 301 connected in parallel to one second coil 401 .

Example 13

As shown in FIG. 21 , compared with Embodiment 9, the structure of the balloon catheter used in this embodiment refers to Embodiment 7, that is, the structure of the balloon catheter adopts a form in which a plurality of first coils 301 are connected in parallel to a plurality of second coils 401 in parallel.

Example 14

As shown in FIG. 22 , compared with Embodiment 9, the structure of the balloon catheter used in this embodiment refers to Embodiment 8, that is, the structure of the balloon catheter adopts a form in which multiple first coils 301 are connected in parallel and multiple second coils 401 are connected in series.

In the description of this application, unless otherwise clearly specified and limited, the terms "connected", "connected" and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integrated ; It can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary, and it can be the internal communication of two components or the interaction relationship between two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in this application according to specific situations.

In this application, unless otherwise expressly specified and limited, a first feature being "on" or "under" a second feature may include direct contact between the first and second features, and may also include the first and second features Not in direct contact but through another characteristic contact between them. Moreover, "above", "above" and "above" the first feature on the second feature include that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is horizontally higher than the second feature. "Below", "beneath" and "under" the first feature to the second feature include that the first feature is directly below and obliquely below the second feature, or simply means that the first feature has a lower level than the second feature.

In the description of this embodiment, the terms "upper", "lower", "left", "right", etc. orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of description and simplification of operations , rather than indicating or implying that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and thus should not be construed as limiting the application. In addition, the terms "first" and "second" are only used to distinguish in description, and have no special meaning.

The above embodiments are only used to illustrate the technical solution of the present application rather than limit it, and the present application is described in detail with reference to the preferred embodiments. Those of ordinary skill in the art should understand that the technical solutions of the present application can be modified or equivalently replaced without departing from the spirit and scope of the technical solutions of the present application, and all should be covered within the scope of the claims of the present application.

Claims (10)

1. A balloon catheter structure, comprising: the balloon is sleeved on the pipe body assembly, the first loop assembly and the second loop assembly are arranged on the pipe body assembly at intervals, and the magnetic core assembly is arranged between the first loop assembly and the second loop assembly.

2. A balloon catheter structure according to claim 1, wherein the first loop assembly comprises: a first conductive line; at least one group of first coils is arranged in the middle of the first lead; the first coil is disposed inside the balloon.

3. A balloon catheter structure according to claim 1, wherein the second circuit assembly comprises: at least one set of second wires wound into a second coil; the second coil is disposed inside the balloon.

4. A balloon catheter structure according to claim 3, wherein a plurality of electrically conductive portions are further provided on the second coil.

5. A balloon catheter structure according to any of claims 1 to 4, wherein the set of magnetic cores comprises: a magnetic core or a guide wire.

6. A balloon catheter structure according to claim 5, wherein the shape of the magnetic core comprises: spiral, linear or E-shaped.

7. A balloon catheter structure according to any one of claims 1 to 4, wherein the tube assembly comprises: the first loop assembly and the second loop assembly are arranged on the outer surface of the first pipe body, the second pipe body and the third pipe body are arranged in the first pipe body in a conduction mode, and the fourth pipe body is arranged beside the first pipe body; the first pipe body and the second pipe body are provided with corresponding through holes communicated with the inside of the balloon.

8. A balloon catheter structure according to claim 7, wherein the tube assembly further comprises a fifth tube connected to the first tube, and the second, third and fourth tubes are conductively disposed in the fifth tube.

9. A balloon catheter structure according to any one of claims 1 to 4, wherein a conductive medium is provided within the balloon.

10. A device comprising a balloon catheter structure according to any one of claims 1-9 and a high pressure generator connected to said first circuit component.

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