CN216258685U - Joint exchange plugging balloon catheter and system thereof - Google Patents

Abstract

The utility model discloses a joint exchange plugging saccule conduit and a system thereof, comprising: an outer tube, a balloon; the balloon is sleeved on the outer tube, and two ends of the balloon are respectively connected with the outer tube in a sealing manner; the saccule is communicated with the outer tube; further comprising: a detachable device; it includes: a first detachable joint and a valve; the far end of the first detachable joint is detachably and hermetically connected with the near end of the outer tube, the near end of the first detachable joint is hermetically connected with the first end of the valve, and the second end of the valve is a pressurizing port and is used for being connected with a pressurizing device so as to pressurize the balloon; the far end of the outer tube is not communicated with the outside; further comprising: the blocking part is configured to block the proximal end of the outer tube so as not to be communicated with the outside; the detachable device is configured to be detachable from the outer tube after the proximal end of the outer tube is plugged by the plugging portion. According to the utility model, the catheter can enter the body through the endoscope instrument channel for interventional expansion, so that the plugging or hemostasis effect is achieved, and the balloon filling state can be maintained to withdraw the endoscope from the body.

Description

Joint exchange plugging balloon catheter and system thereof

Technical Field

The utility model relates to the technical field of balloon catheters, in particular to a joint exchange plugging balloon catheter and a system thereof.

Background

The existing balloon dilatation catheter enters through an endoscope instrument cavity, the endoscope cannot exit from a human body after the balloon is full, or the balloon cannot continuously maintain pressure when the endoscope exits from the human body, so that the endoscope has to be firstly released and exited and the catheter is then placed into the catheter again, the part needing to be dilated cannot be accurately positioned, and the required part is difficult to be blocked or stanch.

SUMMERY OF THE UTILITY MODEL

The utility model provides a joint exchange plugging balloon catheter and a system thereof, which are used for solving the problems that an endoscope cannot withdraw from a human body after a balloon is full or the balloon cannot continuously maintain pressure when the endoscope withdraws from the human body in the prior art.

According to a first aspect of the present invention, there is provided a connector exchange occlusion balloon catheter comprising: an outer tube, a balloon; wherein the content of the first and second substances,

the balloon is sleeved on the outer tube, and two ends of the balloon are respectively connected with the outer tube in a sealing manner; the balloon is communicated with the outer tube;

further comprising: a detachable device; the detachable device comprises: a first detachable joint and a valve; wherein the content of the first and second substances,

the far end of the first detachable joint is detachably and hermetically connected with the near end of the outer tube, the near end of the first detachable joint is hermetically connected with the first end of the valve, and the second end of the valve is a pressurizing port which is used for being connected with a pressurizing device so as to pressurize the balloon; the distal end of the first detachable joint is the end of the first detachable joint near the distal end of the outer tube;

the far end of the outer tube is not communicated with the outside;

further comprising: a blocking portion configured to block a proximal end of the outer tube so as not to communicate with the outside;

said detachable means being configured to be detachable from said outer tube;

the blocking portion includes: the mandrel, in which case the removable device further comprises: a second detachable joint;

the second detachable joint is sleeved at the far end of the mandrel;

a distal end of the second detachable joint is configured to be capable of sealing connection with the charging port; the distal end of the second detachable joint is the end of the second detachable joint distal to the proximal end of the mandrel;

the mandrel is configured to move relative to the second detachable joint, sequentially pass through the second end of the valve, the first end and the first detachable joint, and then be inserted into the proximal end of the outer tube to plug the proximal end of the outer tube;

the removable device is also configured to be removable from the mandrel.

Preferably, the mandrel comprises: a plugging pin, a handle;

the plugging pin and the handle are distributed in sequence from the far end to the near end of the core rod;

the handle is configured to controllably drive the plugging pin to be inserted into the proximal end of the outer tube so as to plug the proximal end of the outer tube;

the handle is further configured to be detachable from the occlusion pin inserted into the catheter.

Preferably, the blocking pin is detachably connected with the handle;

the handle is configured to be detachable from the occlusion pin inserted into the catheter.

Preferably, the length of the blocking pin is less than the length of the handle.

Preferably, the blocking pin comprises a plurality of sections, and the plurality of sections of the blocking pin are distributed in sequence from the far end to the near end of the blocking pin;

the adjacent plugging pins are detachably connected;

the distal-most closure pin of the mandrel is configured to be insertable into the proximal end of the outer tube to close off the proximal end of the outer tube.

Preferably, the outer tube comprises: a first outer tube section and a second outer tube section; the first outer pipe section and the second outer pipe section are distributed in sequence from the far end to the near end of the outer pipe;

the outer diameter of the second outer tube section is greater than the outer diameter of the first outer tube section; the inner diameter of the second outer tube section is greater than the inner diameter of the first outer tube section;

the balloon is sleeved on the first outer pipe section.

Preferably, the balloon has an outer diameter in an uninflated state equal to or less than an outer diameter of a segment of the outer tube;

the partial section of the outer tube is a portion of the outer tube that is not wrapped within the balloon.

Preferably, the method further comprises the following steps: the proximal end of the tip catheter is connected with the distal end of the outer tube in a sealing mode, and the outer tube is communicated with the tip catheter;

the distal end of the tip catheter is of a closed structure; the distal end of the tip catheter is the end of the tip catheter distal to the distal end of the outer tube;

the hardness of the tip catheter is less than the hardness of the outer tube.

Preferably, the method further comprises the following steps: a fixation guidewire disposed within the outer tube, the fixation guidewire extending through a portion of the outer tube wrapped within the balloon;

the distal end of the fixed guide wire extends into the tip catheter, and the distal end of the fixed guide wire is the end, far away from the proximal end of the outer tube, of the fixed guide wire.

Preferably, the fixed guide wire is fixed with the outer tube, and the distance between the fixed point of the fixed guide wire and the outer tube and the distal end of the balloon is smaller than a preset range;

the far end of the sacculus is the connecting end of the sacculus and the outer tube, and is the connecting end far away from the near end of the outer tube.

Preferably, the outer tube is provided with a scale. The scale can assist in judging the depth of the catheter entering the tissue, and can also assist in judging whether the catheter has displacement in the tissue through the entering depth.

Preferably, the method further comprises the following steps: the developing mark is arranged on the part of the outer tube, which is wrapped in the balloon, and the developing mark can realize better positioning in the process of the catheter entering the tissue.

Preferably, the balloon is configured to be capable of inflation to a plurality of diameters.

According to a second aspect of the present invention, there is provided a connector exchange occlusion balloon catheter system comprising: the joint exchange plugging balloon catheter and the pressurizing device are arranged on the catheter body; wherein the content of the first and second substances,

the pressurizing device is communicated with the pressurizing port and is configured to pressurize the balloon.

According to the joint exchange blocking balloon catheter and the system thereof, the catheter can enter the body through the endoscope instrument channel to intervene and expand, so that the blocking or hemostasis effect is achieved, and after the balloon is filled, the near end of the catheter can be blocked through the blocking part, so that the balloon can be kept filled, and the endoscope can be withdrawn from the body.

In an alternative aspect of the utility model, the mandrel is divided into two parts: the handle can be removed after pushing or driving the plugging pin to be inserted into the near end of the catheter, only the plugging pin is left, the length of the core rod is reduced, the influence on the withdrawal of the endoscope is reduced, and the withdrawal of the endoscope can not be influenced.

In another alternative of the utility model, the plugging pin comprises a plurality of sections which are connected with each other, one plugging pin is used for plugging each time, and the plugging pin can be repeatedly used for a plurality of times, so that repeated operation and repeated plugging are realized.

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 description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only 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 view of a connector exchange occlusion balloon catheter in accordance with an embodiment of the present invention;

FIG. 2 is a schematic view of a plugging portion according to an embodiment of the present invention;

FIG. 3 is a schematic view of a plugging portion plugging an outer tube according to an embodiment of the present invention;

FIG. 4 is a schematic view of a catheter with a detachable device according to an embodiment of the present invention;

FIG. 5 is a schematic view of a mandrel in accordance with one embodiment of the present invention;

FIG. 6 is a schematic view of a mandrel in accordance with a preferred embodiment of the present invention;

FIG. 7 is a schematic view of a connector exchange occlusion balloon catheter in accordance with a preferred embodiment of the present invention;

fig. 8 is a schematic view of a pressurizing device according to an embodiment of the present invention.

Description of reference numerals:

1-an outer tube, wherein,

11-the first outer tube section,

12-a second outer tube section, which,

13-the scale is marked on the scale,

14-development marking;

2-a balloon, wherein the balloon is provided with a plurality of holes,

3-the part of the opening is,

4-the device can be detached from the device,

41-a first detachable joint,

42-a two-way valve for controlling the flow of gas,

43-a second detachable joint;

5-a core rod, namely,

51-a blocking pin, which is provided with a blocking pin,

511-the first blocking pin,

512-a second blocking pin,

513-a third blocking pin,

52-a handle, which is provided with a handle,

521-the rubber sleeve is arranged on the upper surface of the rubber sleeve,

53-thread;

7-a tip catheter which is connected with the catheter,

8-fixing the guide wire,

81-the point of fixation,

9-syringe.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "upper surface", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.

In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

In the description of the present invention, "a plurality" means a plurality, e.g., two, three, four, etc., unless specifically limited otherwise.

In the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected" and the like are to be construed broadly, e.g., as meaning fixedly attached, detachably attached, or integrally formed; can be mechanically connected, electrically connected or can communicate with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The technical solution of the present invention will be described in detail below with specific examples. The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments.

In one embodiment, a joint exchange occlusion balloon catheter is provided, comprising: outer tube 1, balloon 2, see fig. 1. The balloon 2 is sleeved on the outer tube 1, and two ends of the balloon 2 are respectively connected with the outer tube 1 in a sealing manner; the saccule is communicated with the outer tube.

Further comprising: a detachable device 4, the detachable device 4 comprising: a first detachable joint 41 and a valve (in this embodiment a two-way valve 42). When the balloon needs to be inflated, the distal end of the first detachable joint 41 is detachably and hermetically connected with the proximal end of the outer tube 1, the proximal end of the first detachable joint 41 is hermetically connected with the first end of the valve, and the second end of the valve is a pressurizing port which is used for being connected with a pressurizing device so as to pressurize the balloon 2; the distal end of the first detachable tip 41 is the end of the first detachable tip 41 near the distal end of the outer tube 1. The distal end of the outer tube is not in communication with the outside.

Further comprising: and the occlusion part is configured to be capable of occluding the proximal end of the outer tube after the balloon is filled so as not to be communicated with the outside. The detachable device is configured to be detachable from the outer tube after the proximal end of the outer tube is plugged by the plugging portion. The plugging portion includes: the mandrel 5, the removable means in this case further comprising: a second detachable joint 43, see fig. 2. The second detachable joint 43 is sleeved on the distal end of the mandrel 5. When the proximal end of the outer tube 1 needs to be plugged, the distal end of the second detachable joint 43 is configured to be capable of being connected with the pressurizing port in a sealing manner; the distal end of the second releasable joint 43 is the end of the second releasable joint 43 distal to the proximal end of the mandrel 5, see fig. 3.

The mandrel 5 is configured to move relative to the second detachable joint, to pass through the second end, the first end, and the first detachable joint 41 of the valve in sequence, and then to be inserted into the proximal end of the outer tube to seal off the proximal end of the outer tube and maintain the balloon pressure. The core rod 5 is inserted into the outer pipe and then forms tight fit with the outer pipe, and the outer pipe tightly wraps the core rod to form sealing and has certain connection strength. The removable device is further configured to be removable from the mandrel, the first removable joint, the valve, and the second removable joint being removable from the proximal end of the mandrel. Figure 4 is a schematic view of the catheter after the detachable device has been detached.

In one embodiment, a part of the outer tube wrapped in the balloon is provided with a through opening 3, and the outer tube 1 and the balloon 2 are communicated through the through opening 3, please refer to fig. 1.

In one embodiment, the mandrel has toughness and can be bent, please refer to fig. 4.

In one embodiment, the mandrel is divided into two parts: the plugging pin 51 and the handle 52 are distributed from the distal end to the proximal end of the core rod, and the plugging pin 51 and the handle 52 are distributed in sequence, please refer to fig. 5. The plugging pin is placed in the second detachable joint, and under the condition that the two-way valve is screwed on, the handle is axially pushed along the inner hole of the second detachable joint, so that the plugging pin is pushed into the near end of the outer tube, and the near end of the outer tube is plugged. After plugging is finished, the handle can be separated from the plugging pin inserted into the catheter, namely the handle 52 can be detached, after the handle 52 is detached, only the plugging pin 51 is left on the catheter, the length of the core rod is shortened, and the influence of the core rod on the withdrawal of the endoscope is reduced.

In one embodiment, the blocking pin 51 and the handle 52 may not be connected, and the inner hole of the detachable structure is only used for limiting the limit butt joint of the blocking pin and the handle, so that the handle can push the blocking pin under control.

In a preferred embodiment, the blocking pin 51 and the handle 52 are releasably connected, and the blocking pin and the handle are releasably connected after insertion into the proximal end of the catheter.

In one embodiment, the connection between the blocking pin 51 and the handle 52 can be a threaded connection, see fig. 5. In various embodiments, the connection between the blocking pin 51 and the handle 52 may be a weak connection, which can be broken when detachment is required.

In a preferred embodiment, the number of the plugging pins 51 is plural, and plural plugging pins are distributed in sequence from the distal end to the proximal end of the plugging pin, please refer to fig. 6. The adjacent plugging pins are detachably connected. The distal-most plugging pin of the mandrel is configured to be insertable into the proximal end of the outer tube to plug the proximal end of the outer tube. The inclusion of multiple blocking pins may allow for multiple uses.

In fig. 6, three plugging pins are included as an example: a first blocking pin 511, a second blocking pin 512, and a third blocking pin 513. For the first use, the distal most first occluding pin 511 is inserted into the proximal end of the catheter and after insertion into place, the connection between the first occluding pin 511 and the second occluding pin 512 is broken. For the second use, the second occluding pin 512, which is now the most distal, is inserted into the proximal end of the catheter, and after insertion into place, the connection between the second occluding pin 512 and the third occluding pin 513 is broken. For the third use, the now distal-most third occluding pin 513 is inserted into the proximal end of the catheter and, once in place, the connection between the third occluding pin 513 and the handle 52 is broken.

In a preferred embodiment, in order to prevent slipping and facilitate the pushing or pulling of the handle 52, a rubber sleeve 521 is further disposed at the distal end of the handle 52, please refer to fig. 5 and 6.

In one embodiment, the connection between adjacent plugging pins can be a threaded connection, see fig. 6. In different embodiments, the adjacent plugging pins can also adopt a weak connection mode, and the weak connection can be broken off when the plugging pins need to be detached.

In a preferred embodiment, the length of the blocking pin 51 is less than the length of the handle 52. The impact on the withdrawal of the endoscope is less.

In a preferred embodiment, in order that the diameter of the whole catheter is not enlarged by the balloon after assembly, the outer tube comprises: a first outer tube section 11 and a second outer tube section 12; the first outer tube section 11 is arranged in series with the second outer tube section 12 from the distal end to the proximal end of the outer tube. The outer diameter of the second outer pipe section 12 is larger than that of the first outer pipe section 11; the second outer tube section 12 has an inner diameter greater than the inner diameter of the first outer tube section 11. The balloon 2 is sleeved on the first outer tube section 11, please refer to fig. 1.

In a preferred embodiment, the outer diameter of the balloon in the non-inflated state is equal to or less than the outer diameter of the partial section of the outer tube; the partial section of the outer tube is the part of the outer tube that is not wrapped inside the balloon. After the balloon is sleeved, the size of the catheter can be kept unchanged or thinner, so that the passing difficulty of the catheter is not increased when the catheter passes through the cavity of the instrument.

In a preferred embodiment, the method further comprises: the proximal end of the tip catheter 7 is hermetically connected with the distal end of the outer tube, and the outer tube is communicated with the tip catheter; the distal end of the tip catheter is of a closed structure; the distal end of the tip catheter is the end of the tip catheter distal to the distal end of the outer tube, see fig. 1. The hardness of the tip catheter is less than that of the outer tube, so that the softness of the head end of the catheter can be ensured, and the damage to the inner wall of the mucosa when the catheter passes through is reduced.

In a preferred embodiment, the method further comprises: a fixed guide wire 8, the fixed guide wire 8 is disposed in the outer tube 1, and the fixed guide wire penetrates through the portion of the outer tube wrapped in the balloon, please refer to fig. 1. The distal end of the fixed guide wire 8 extends into the tip catheter 7, and the distal end of the fixed guide wire is the end of the fixed guide wire away from the proximal end of the outer tube.

The fixed guide wire 8 is fixed with the outer tube 1, and the distance between the fixed point 81 of the fixed guide wire 8 and the outer tube 1 and the far end of the balloon is smaller than a preset range, namely the fixed point 81 is positioned near the far end of the balloon. The far end of the sacculus is the connecting end of the sacculus and the outer tube, and is the connecting end far away from the near end of the outer tube.

In a preferred embodiment, the outer tube 1 is further provided with a scale 13, please refer to fig. 7. The scale 13 can assist in judging the depth of the catheter entering the tissue, and can also assist in judging whether the catheter has displacement in the tissue or not through the entering depth.

In a preferred embodiment, the portion of the outer tube wrapped in the balloon is further provided with a visualization mark 14, see fig. 7. Better positioning during catheter entry into tissue can be achieved by visualization of the markers 14. The number of the development marks 14 may be one or plural, and two development marks are illustrated in fig. 7.

In a preferred embodiment, the balloon is configured to be capable of inflation to a plurality of diameters. If the balloon is in a non-expansion state, the diameter of the balloon is smaller than 3mm, and the diameter of the balloon can reach 4-30 mm after the balloon is inflated.

In one embodiment, the detachable joint 41 and the detachable joint 43 may have the same structure, and both include a compressible hollow ring, and the detachable joint 1 and the outer tube are tightly connected by screwing the joints to compress the hollow ring and the outer tube. The detachable joint 1 can be detached after being unscrewed.

An embodiment is also provided a connector exchange occlusion balloon catheter system, comprising: the connector exchange occlusion balloon catheter and the pressurizing device of any embodiment are provided. When the balloon needs to be inflated, the inflating device is communicated with the inflating opening and is configured to inflate the balloon.

In one embodiment, the medium for pressurizing the balloon may be an inert gas or a liquid such as a contrast agent.

In one embodiment, the pressurizing device may be in the form of a syringe 9, please refer to fig. 8, the syringe 9 is matched with the pressurizing port of the valve, the balloon is pressurized and inflated by the syringe 9, and the valve is closed after the inflation is completed.

In the description herein, reference to the terms "an implementation," "an embodiment," "a specific implementation," "an example" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (13)

1. A connector exchange occlusion balloon catheter, comprising: an outer tube, a balloon; wherein the content of the first and second substances,

the balloon is sleeved on the outer tube, and two ends of the balloon are respectively connected with the outer tube in a sealing manner; the balloon is communicated with the outer tube;

further comprising: a detachable device; the detachable device comprises: a first detachable joint and a valve; wherein the content of the first and second substances,

the far end of the first detachable joint is detachably and hermetically connected with the near end of the outer tube, the near end of the first detachable joint is hermetically connected with the first end of the valve, and the second end of the valve is a pressurizing port which is used for being connected with a pressurizing device so as to pressurize the balloon; the distal end of the first detachable joint is the end of the first detachable joint near the distal end of the outer tube;

the far end of the outer tube is not communicated with the outside;

further comprising: a blocking portion configured to block a proximal end of the outer tube so as not to communicate with the outside;

said detachable means being configured to be detachable from said outer tube;

the blocking portion includes: the mandrel, in which case the removable device further comprises: a second detachable joint;

the second detachable joint is sleeved at the far end of the mandrel;

a distal end of the second detachable joint is configured to be capable of sealing connection with the charging port; the distal end of the second detachable joint is the end of the second detachable joint distal to the proximal end of the mandrel;

the mandrel is configured to move relative to the second detachable joint, sequentially pass through the second end of the valve, the first end and the first detachable joint, and then be inserted into the proximal end of the outer tube to plug the proximal end of the outer tube;

the removable device is also configured to be removable from the mandrel.

2. The joint exchange occlusion balloon catheter of claim 1, wherein the mandrel comprises: a plugging pin, a handle;

the plugging pin and the handle are distributed in sequence from the far end to the near end of the core rod;

the handle is configured to controllably drive the plugging pin to be inserted into the proximal end of the outer tube so as to plug the proximal end of the outer tube;

the handle is further configured to be detachable from the occlusion pin inserted into the catheter.

3. The connector exchange occlusion balloon catheter of claim 2, wherein the occlusion pin is removably connected to the handle;

the handle is configured to be detachable from the occlusion pin inserted into the proximal end of the catheter.

4. The connector exchange occlusion balloon catheter of claim 3, wherein the length of the occlusion pin is less than the length of the handle.

5. The joint exchange occlusion balloon catheter of claim 4, wherein the occlusion pin comprises a plurality of segments, the segments being distributed sequentially from a distal end to a proximal end of the occlusion pin;

the adjacent plugging pins are detachably connected;

the distal-most closure pin of the mandrel is configured to be insertable into the proximal end of the outer tube to close off the proximal end of the outer tube.

6. The joint exchange occlusion balloon catheter of claim 1, wherein the outer tube comprises: a first outer tube section and a second outer tube section; the first outer pipe section and the second outer pipe section are distributed in sequence from the far end to the near end of the outer pipe;

the outer diameter of the second outer tube section is greater than the outer diameter of the first outer tube section; the inner diameter of the second outer tube section is greater than the inner diameter of the first outer tube section;

the balloon is sleeved on the first outer pipe section.

7. The joint exchange occlusion balloon catheter of claim 1, wherein the balloon has an outer diameter in an un-inflated state equal to or less than an outer diameter of a partial section of the outer tube;

the partial section of the outer tube is a portion of the outer tube that is not wrapped within the balloon.

8. The connector exchange occlusion balloon catheter of claim 1, further comprising: the proximal end of the tip catheter is connected with the distal end of the outer tube in a sealing mode, and the outer tube is communicated with the tip catheter;

the distal end of the tip catheter is of a closed structure; the distal end of the tip catheter is the end of the tip catheter distal to the distal end of the outer tube;

the hardness of the tip catheter is less than the hardness of the outer tube.

9. The connector exchange occlusion balloon catheter of claim 8, further comprising: a fixation guidewire disposed within the outer tube, the fixation guidewire extending through a portion of the outer tube wrapped within the balloon;

the distal end of the fixed guide wire extends into the tip catheter, and the distal end of the fixed guide wire is the end, far away from the proximal end of the outer tube, of the fixed guide wire.

10. The connector exchange occlusion balloon catheter of claim 9, wherein the fixation guidewire is fixed to the outer tube, and a distance between a fixation point of the fixation guidewire and the outer tube and a distal end of the balloon is less than a preset range;

the far end of the sacculus is the connecting end of the sacculus and the outer tube, and is the connecting end far away from the near end of the outer tube.

11. The connector exchange occlusion balloon catheter of any of claims 1-10, wherein the outer tube is provided with graduations.

12. The connector exchange occlusion balloon catheter of any of claims 1-10, further comprising: a visualization mark disposed on a portion of the outer tube wrapped within the balloon.

13. A connector exchange occlusion balloon catheter system, comprising: the connector exchange occlusion balloon catheter of any of claims 1-12 and a pressurizing device; wherein the content of the first and second substances,

the pressurizing device is communicated with the pressurizing port and is configured to pressurize the balloon.

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