CN217091770U - Detachable plugging balloon catheter and system thereof - Google Patents

Detachable plugging balloon catheter and system thereof Download PDF

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Publication number
CN217091770U
CN217091770U CN202122513644.9U CN202122513644U CN217091770U CN 217091770 U CN217091770 U CN 217091770U CN 202122513644 U CN202122513644 U CN 202122513644U CN 217091770 U CN217091770 U CN 217091770U
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China
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outer tube
detachable
balloon
catheter
proximal end
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CN202122513644.9U
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Chinese (zh)
Inventor
严航
刘运栋
郑忠伟
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Shanghai Innova Medical Instrument Co ltd
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Shanghai Innova Medical Instrument Co ltd
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Priority to CN202122513644.9U priority Critical patent/CN217091770U/en
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Abstract

The utility model discloses a can shirk shutoff sacculus pipe and system thereof, include: 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. The utility model discloses, the pipe can get into internal intervention expansion through endoscope apparatus channel, plays shutoff or hemostasis effect to can keep the sacculus sufficient state to withdraw from the endoscope internal.

Description

Detachable plugging balloon catheter and system thereof
Technical Field
The utility model relates to a sacculus pipe technical field especially relates to a shutoff sacculus pipe can shirk and 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 can shirk shutoff sacculus pipe and system thereof to solve among the prior art sacculus and can't withdraw from the human body after sufficient endoscope, perhaps the sacculus can't last the problem of pressurize when the endoscope withdraws from the human body.
According to the utility model discloses a first aspect provides a shutoff sacculus pipe can shirk, and it includes: an outer tube, a balloon; wherein,
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 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;
the detachable device is configured to be detachable from the outer tube.
Preferably, 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: the first core rod and the second core rod are distributed in sequence from the far end to the near end of the core rod;
the first mandrel has a length less than a length of the second mandrel, the first mandrel being configured to be insertable within the proximal end of the outer tube to seal off the proximal end of the outer tube.
Preferably, the blocking portion includes: a curable liquid;
the valve further comprises a third end for injecting the settable liquid, which settable liquid can be injected into the proximal end of the outer tube;
the curable liquid is configured to be cured under preset conditions and is in sealing connection with the inner wall of the outer tube after being cured so as to plug the proximal end of the outer tube.
Preferably, the blocking portion includes: a high temperature resistant solid piece disposed within the outer tube and located at a proximal end of the outer tube;
the section of the outer pipe, which is provided with the high-temperature-resistant solid piece, is configured to be capable of shrinking under a preset high-temperature condition, and the inner wall of the shrunk outer pipe is in sealing connection with the high-temperature-resistant solid piece so as to plug the near end of the outer pipe.
Preferably, the blocking portion includes: a one-way valve disposed at a proximal end of the outer tube;
the one-way valve is configured to allow gas or liquid to flow in from outside the outer tube and not allow gas or liquid to flow out from inside 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, namely the fixed point is located near the distal 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.
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 detachable occlusion balloon catheter system, comprising: the detachable plugging balloon catheter and the pressurizing device are arranged on the catheter body; wherein,
the pressurizing device is communicated with the pressurizing port and is configured to pressurize the balloon.
The utility model provides a can shirk shutoff sacculus pipe and system thereof, the pipe can get into internal intervention expansion through endoscope apparatus channel, plays shutoff or hemostasis effect to the sacculus is full to accomplish the back, can carry out the shutoff through the near-end of shutoff portion to the pipe, can keep the sacculus sufficient state to withdraw from internally with the endoscope.
The utility model discloses an among the alternative, through connecting most advanced pipe at the distal end of outer tube, most advanced pipe is softer than the outer tube, can guarantee the softness of the distal end of pipe, alleviates the damage to the mucosa inner wall when the pipe passes through.
The utility model discloses an among another alternative, through set up fixed seal wire in the outer tube, the distal end of fixed seal wire extends to the distal end of pipe, can guarantee the support of pipe front end, prevents that the pipe from taking place to reduce in the motion process.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, 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 inventive exercise.
Fig. 1 is a schematic view of a detachable occlusion balloon catheter according to 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 illustrating the outer tube being plugged by the plugging portion 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 plugging portion according to another embodiment of the present invention;
fig. 6 is a schematic view of a plugging portion according to another embodiment of the present invention;
FIG. 7 is a schematic view of the occluding portion of FIG. 6 after completion of occlusion;
fig. 8 is a schematic view of a plugging portion according to another embodiment of the present invention;
FIG. 9 is a schematic view of the operation of the occluding portion of FIG. 8;
fig. 10 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;
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,
44-three-way valve;
5-a core rod, namely,
6-a one-way valve is arranged,
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 described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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 understood that the terms "upper portion", "lower portion", "upper end", "lower surface", "upper surface", 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 simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not 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, "plurality" means a plurality, such as two, three, four, etc., unless specifically limited otherwise.
In the description of the present invention, unless explicitly stated or limited otherwise, the terms "connected" and the like are to be understood broadly, and may for example be fixedly connected, detachably connected, or integrated; 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 meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The technical solution of the present invention will be described in detail 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 detachable 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.
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 blocking portion may be physically displaced, for example, the blocking 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 a 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 also 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 mandrel comprises: the first core rod and the second core rod are distributed in sequence from the far end to the near end of the core rod. The length of the first core rod is less than the length of the second core rod. And the first core rod is placed into the second detachable joint, and under the condition that the two-way valve is screwed on, the second core rod is axially pushed along the inner hole of the second detachable joint, so that the first core rod is pushed into the near end of the outer tube, and the near end of the outer tube is blocked.
In different embodiments, the mandrel is not limited to the first mandrel and the second mandrel of the above embodiments, and may include only one mandrel.
In one embodiment, the mandrel has toughness and can be bent, please refer to fig. 4.
In one embodiment, the plugging portion may also be solidified by a liquid, for example, the plugging portion includes: a curable liquid; the valve further comprises a third end (in this case a three-way valve 43) for injecting a settable liquid, see fig. 5. Curable liquid can enter from the third end of the valve, through the first releasable joint, and into the proximal end of the outer tube.
When the proximal end of the outer tube needs to be plugged, curable liquid is injected from the third end, the curable liquid is configured to be capable of being cured under preset conditions, and after being cured, the curable liquid is in sealing connection with the inner wall of the outer tube so as to plug the proximal end of the outer tube. Such as: the curable liquid may be a UV glue which can be cured under light conditions.
In an embodiment, the blocking portion may also be heat-shrunk by melting, for example, the blocking portion includes: a high temperature resistant solid member disposed inside the outer tube and located at a proximal end of the outer tube, please refer to fig. 6. The high-temperature resistant solid piece can adopt PEEK, PI and the like. The refractory solid member may be connected to the inner core of the catheter.
When the proximal end of the outer tube needs to be plugged, the section of the outer tube provided with the high-temperature-resistant solid piece is configured to be capable of shrinking under a preset high-temperature condition, the inner wall of the shrunk outer tube is wrapped on the surface of the high-temperature-resistant solid piece and is in sealing connection with the high-temperature-resistant solid piece so as to plug the proximal end of the outer tube, and as shown in fig. 7, the proximal end of the outer tube is schematically shown after being shrunk. The one end of outer tube that is provided with high temperature resistant solid piece can be for being heated collapsible material such as FEP or PET etc. also can adopt the outer tube all to adopt the collapsible material that is heated, because only heating one section that is provided with high temperature resistant solid piece, consequently only this part is heated the shrink.
In one embodiment, the blocking part can also adopt a mode of implanting a one-way valve. Therefore, the blocking portion includes: a one-way valve 6, the one-way valve 6 is disposed at the proximal end of the outer tube, please refer to fig. 8. The one-way valve is configured to allow gas or liquid outside the outer tube to flow in, so that the gas or liquid can pressurize the balloon through the one-way valve, and after the pressurization is stopped, the gas or liquid cannot flow back due to the one-way flow to form a closed space, as shown in fig. 9.
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 has an inner diameter greater than the inner diameter of the first outer tube section. The balloon is sleeved on the first outer tube section, 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 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 detachable occlusion balloon catheter system, comprising: the detachable 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 pressurizing device may be in the form of a syringe 9, see fig. 10, the syringe 9 is engaged with a 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, references to the terms "an embodiment," "an example," "a specific implementation," "an example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the example or example is included in at least one embodiment or example of the invention. 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; although the present invention has been described in detail with reference to the foregoing embodiments, it should 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; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (12)

1. A detachable occlusion balloon catheter, comprising: an outer tube, a balloon; wherein,
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 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;
the detachable device is configured to be detachable from the outer tube.
2. The detachable occlusion balloon catheter of claim 1, wherein the occlusion portion comprises: 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 further configured to be removable from the mandrel;
wherein the mandrel comprises: the first core rod and the second core rod are distributed in sequence from the far end to the near end of the core rod;
the first mandrel has a length less than a length of the second mandrel, the first mandrel being configured to be insertable within the proximal end of the outer tube to seal off the proximal end of the outer tube.
3. The detachable occlusion balloon catheter of claim 1, wherein the occlusion portion comprises: a curable liquid;
the valve further comprises a third end for injecting the settable liquid, which settable liquid can be injected into the proximal end of the outer tube;
the curable liquid is configured to be cured under preset conditions and is in sealing connection with the inner wall of the outer tube after being cured so as to plug the proximal end of the outer tube.
4. The detachable occlusion balloon catheter of claim 1, wherein the occlusion portion comprises: a high temperature resistant solid piece disposed within the outer tube and located at a proximal end of the outer tube;
the section of the outer pipe, which is provided with the high-temperature-resistant solid piece, is configured to be capable of shrinking under a preset high-temperature condition, and the inner wall of the shrunk outer pipe is in sealing connection with the high-temperature-resistant solid piece so as to plug the near end of the outer pipe.
5. The detachable occlusion balloon catheter of claim 1, wherein the occlusion portion comprises: a one-way valve disposed at a proximal end of the outer tube;
the one-way valve is configured to allow gas or liquid to flow in from outside the outer tube and not allow gas or liquid to flow out from inside the outer tube.
6. The detachable 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 detachable 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 the 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 detachable 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 detachable 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 detachable occlusion balloon catheter of claim 9, wherein the fixation guide wire is fixed to the outer tube, and a distance between a fixation point of the fixation guide wire and the outer tube and a 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.
11. The detachable occlusion balloon catheter of any of claims 1-10, wherein the balloon is configured to be inflatable to a plurality of diameters.
12. A detachable occlusion balloon catheter system, comprising: a detachable occlusion balloon catheter and pressurizing device according to any one of claims 1 to 11; wherein,
the pressurizing device is communicated with the pressurizing port and is configured to pressurize the balloon.
CN202122513644.9U 2021-10-19 2021-10-19 Detachable plugging balloon catheter and system thereof Active CN217091770U (en)

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Application Number Priority Date Filing Date Title
CN202122513644.9U CN217091770U (en) 2021-10-19 2021-10-19 Detachable plugging balloon catheter and system thereof

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