CN210205578U - Disposable Ultra-Smooth Silicone Guided Balloon Dilation Catheter - Google Patents

Abstract

The utility model relates to a bronchiectasis apparatus, in particular to a disposable ultra-smooth silica gel guide balloon dilatation catheter, which comprises a catheter with a hollow tubular structure, wherein the tail end of the catheter is closed, the head end of the catheter is detachably connected with a filling mechanism, the side wall of the catheter is provided with a first balloon, the tail end of the catheter is provided with a second balloon, the filling mechanism is respectively communicated with the first balloon and the second balloon, so that the first balloon can be easily guided to a target position to be dilated by adjusting the volume of the second balloon in the process of putting the catheter into the body, and the volume of the first balloon is accurately controlled according to the size of the second balloon, so that the dilatation effect of the airway is better, and meanwhile, the guide wire is blocked by the second balloon in the process of guiding the catheter to move forward, so that the wall of the airway is not easy to be damaged, the treatment effect of the patient is better, and the physical discomfort and the extra economic burden of the patient are avoided.

Description

Disposable ultra-smooth silica gel guide balloon dilatation catheter

Technical Field

The utility model relates to a bronchus sacculus dilatation device, in particular to a disposable ultra-smooth silica gel guide sacculus dilatation catheter.

Background

The bronchi sacculus expansion is a method for introducing sacculus into the narrow air passage through the forceps channel of the bronchoscope, and injecting air or water into the sacculus to reach a certain pressure to expand the narrow air passage.

At present, a balloon dilatation catheter used in a bronchial balloon dilatation is generally formed by combining a catheter and a guide steel wire arranged in the catheter, wherein the catheter is provided with a balloon, the balloon is guided into an air passage by the guide steel wire to reach a target position, and then the balloon is inflated by injecting water or air to dilate the air passage, but as the hardness of the guide steel wire made of a steel wire material is higher, for medical units and operating doctors who develop the bronchial balloon dilatation in the early stage, due to limited business proficiency, an operator has poor hand feeling control and cannot smoothly and accurately deliver the balloon to the target position at one time, the inflation degree of the balloon is accurately controlled, a balloon dilator and a guide wire need to be repeatedly stretched back and forth at the target position for multiple times, and the operation process can be completed by adjusting the inflation degree of the balloon for a long time, so that the guide steel wire damages the wall of the air passage, and the saccule has long time for blocking the air passage, and can cause air passage laceration when the expansion degree is too large, thereby directly influencing the treatment effect of the patient, bringing serious complications and increasing the body discomfort and economic burden of the patient.

In summary, there is a need for a technical solution to solve the technical problems that the existing balloon dilatation catheter is not easy to deliver the balloon to the target position smoothly and accurately at one time, and the hardness of the guide steel wire is high, which is easy to damage the airway wall, thus affecting the treatment effect of the patient and increasing the discomfort and economic burden of the patient.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the technical problems that the existing balloon dilatation catheter is not easy to smoothly and accurately deliver the balloon to a target position at one time, the hardness of a guide steel wire is high, the wall of an air passage is easily damaged, the treatment effect of a patient is influenced, and the body discomfort and the economic burden of the patient are increased are solved.

In order to realize the purpose, the utility model discloses a technical scheme be:

disposable superslide silica gel guide sacculus expansion pipe, pipe including hollow tubular structure, the tail end of pipe is sealed, and the head end can be dismantled to connect and fill dress mechanism, the pipe lateral wall is provided with first sacculus, the pipe tail end is provided with the second sacculus, fill dress mechanism respectively with first sacculus with the second sacculus intercommunication.

The utility model discloses a disposable superslide silica gel guide sacculus expansion pipe, through setting up two sacculuss on the pipe, and through filling the volume change that the mechanism controlled two sacculuss respectively, make the pipe at the in-process of putting into, the volume of accessible adjustment second sacculus, through the laminating of second sacculus and gas channel wall, make easier guide first sacculus to the target location who treats the expansion, and according to the size of second sacculus, the volume size of the first sacculus of accurate control, it is better to make the expansion effect to the air flue, and simultaneously, because the tail end at the pipe is set up to the second sacculus, make the seal wire receive the block of second sacculus at the in-process that the guide pipe gos forward, be difficult to cause the damage to the gas channel wall, it is better to make patient's treatment, avoid arousing uncomfortable sense of patient's health burden and extra economy.

Preferably, the first balloon is wrapped around the side wall of the catheter, and the second balloon is wrapped on the tail end of the catheter. Because the second sacculus cladding is on the tail end of pipe for in the pipe process of putting into, the second sacculus is located the foremost of pipe advancing direction, plays better protective effect to the pipe tail end, avoids the seal wire to the damage of trachea wall, simultaneously, because the second sacculus is controlled alone by filling mechanism, makes in the pipe process of putting into, but real time control the bulk size of second sacculus avoids the pipe front end to buckle, realizes once only smoothly and accurately to reach the target location with first sacculus.

Preferably, a partition is disposed within the catheter, the partition dividing an interior space of the catheter into a first chamber and a second chamber, the first chamber being in communication with the first balloon, the second chamber being in communication with the second balloon. The inner space of the catheter is separated by the separating part, so that the volume of the two balloons can be easily controlled through the two cavities respectively, and the control is accurate.

Preferably, the side wall of the first chamber is provided with a plurality of vent holes communicated with the first balloon, and the side wall of the second chamber is provided with a plurality of communication holes communicated with the second balloon. The structural form of setting up air vent and intercommunicating pore is adopted to realize the adjustment to the volume size of two sacculums, simple structure, and the preparation cost is lower, easier realization this structure's preparation of dilatation catheter.

Preferably, the first chamber and the second chamber are sequentially arranged along the central axis direction of the catheter, a guide tube communicated with the filling mechanism is arranged in the first chamber along the central axis direction of the catheter, and the guide tube is communicated with the second chamber. The first cavity and the second cavity are sequentially arranged, and the second cavity is communicated with the filling mechanism through the guide tube, so that the guide tube can be used as a guide wire to guide the insertion of the guide tube, and the communication between the second cavity and the filling mechanism is realized, and the volume of the second balloon can be conveniently controlled.

Preferably, an X-ray opaque marker is disposed within the separator. The X-ray opaque markers are arranged in the separator, so that the positions of the two balloons can be clearly distinguished according to the X-ray opaque markers, and the accuracy of balloon implantation is further ensured.

Preferably, a plurality of communicating pipes are arranged in the first balloon, the communicating pipes are connected with the inner wall of the first balloon, and when the first balloon is in an expanded state, the communicating pipes penetrate through the first balloon along the direction of the central axis of the catheter. The communicating pipe is arranged, so that when the first saccule is in an expansion state, the communicating pipe can communicate the two side spaces of the air passage after being separated by the first saccule, the long-time blockage of the air passage caused by the expansion of the first saccule is avoided,

preferably, the first balloon and the second balloon are made of a silicone material. Adopt two sacculums that silica gel material made, have soft characteristic in the material, with the smooth contact of air flue inner wall, avoid causing the damage to the air flue wall, guarantee going on smoothly of air flue dilatation art, and execute the art effect better.

In conclusion, owing to adopted above-mentioned technical scheme, the utility model discloses a beneficial effect of disposable superslide silica gel guide sacculus expansion pipe is:

1. the catheter is provided with the two balloons, and the filling mechanism is used for respectively controlling the volume changes of the two balloons, so that the first balloon can be easily guided to a target position to be expanded by adjusting the volume of the second balloon and attaching the second balloon to the wall of the air channel in the process of placing the catheter;

2. the size of the first balloon can be accurately controlled according to the size of the second balloon, so that the expansion effect on the air passage is better;

3. because the second sacculus sets up the tail end at the pipe for the guide wire is in the guide pipe in-process that advances the obstruction of second sacculus, is difficult to cause the damage to the air flue wall, makes patient's treatment better, avoids arousing uncomfortable sense of patient's health and extra economic burden.

Drawings

FIG. 1 is a schematic structural view of a disposable ultra-smooth silica gel guiding balloon dilatation catheter of the present invention;

FIG. 2 is a schematic structural view of the disposable super-slippery silica gel guiding balloon dilatation catheter of the present invention in the expanded state;

fig. 3 is a schematic structural view of the disposable super-slip silica gel guiding balloon dilatation catheter of the embodiment in an expanded state.

Reference numerals

1-catheter, 11-first chamber, 12-second chamber, 2-first balloon, 3-second balloon, 4-separator, 5-vent, 6-communication hole, 7-guide tube, 8-X-ray opaque marker, 9-communicating tube.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Example 1

As shown in fig. 1-2, a disposable ultra-smooth silica gel guiding balloon dilatation catheter comprises a catheter 1 with a hollow tubular structure, wherein the tail end of the catheter 1 is closed, the head end of the catheter 1 is detachably connected with a filling mechanism, afirst balloon 2 is arranged on the side wall of the catheter 1, asecond balloon 3 is arranged at the tail end of the catheter 1, thefirst balloon 2 is wrapped around the side wall of the catheter 1, thesecond balloon 3 is wrapped on the tail end of the catheter 1, and the filling mechanism controls the volume change of thefirst balloon 2 and the volume change of thesecond balloon 3 respectively.

The disposable ultra-smooth silica gel guiding balloon dilatation catheter of the embodiment has the advantages that thefirst balloon 2 is arranged on the wall of the catheter 1, thesecond balloon 3 is arranged at the tail end of the catheter 1, the volume changes of the two balloons are respectively controlled by the filling mechanism, so that thesecond balloon 3 is positioned at the forefront of the advancing direction of the catheter 1 in the process of putting the catheter 1, the tail end of the catheter 1 is well protected, the damage of a guide wire to an airway wall is avoided, the tail end of the catheter 1 is prevented from being bent by the attachment of thesecond balloon 3 and the airway wall, thefirst balloon 2 is smoothly guided to a target position to be dilated, the volume of thefirst balloon 2 is accurately controlled according to the size of thesecond balloon 3, the dilation effect on the airway is good, thefirst balloon 2 is smoothly and accurately delivered to the target position at one time, the treatment effect of the patient is better, and the physical discomfort and the extra economic burden of the patient are avoided.

Preferably, thefirst balloon 2 and thesecond balloon 3 are made of a silicone material. The wall thickness of the preferredsecond sacculus 3 of this embodiment is the twice of 2 wall thicknesses of first sacculus, and the biggest volume and the air flue adaptation of second sacculus, two sacculus that make adoption silica gel material, soft characteristic has in the material, with the smooth contact of air flue inner wall, avoid causing the damage to the air flue wall, guarantee going on smoothly of air flue dilatation art, and executing the art effect better, structurally realize the cooperation of two sacculus, makesecond sacculus 3 not only can realize the smooth and easy guide to pipe 1, still have the safeguard effect to the seal wire.

Example 2

As shown in fig. 1-2, the disposable super-slippery silica gel guiding balloon dilatation catheter of the present embodiment has the same structure as that of embodiment 1, except that: be provided withseparator 4 in the pipe 1,separator 4 will the inner space of pipe 1 separates forfirst cavity 11 andsecond cavity 12,first cavity 11 andsecond cavity 12 set gradually along the central axis direction of pipe 1,first cavity 11 withfirst sacculus 2 intercommunication,second cavity 12 withsecond sacculus 3 intercommunication, be provided with theguide tube 7 that feeds through with filling the mechanism along the central axis direction of pipe 1 in thefirst cavity 11,guide tube 7 withsecond cavity 12 intercommunication.

The disposable ultra-smooth silica gel guiding balloon dilatation catheter of the embodiment divides the inner space of the catheter 1 into afirst chamber 11 and asecond chamber 12 which are sequentially arranged along the central axis direction of the catheter 1 through thepartition 4, and communicates thesecond chamber 12 with the filling mechanism through the guidingtube 7, so that theguiding tube 7 can be used as a guide wire to guide the insertion of the catheter 1, the independent control of the filling mechanism on the two balloons can be easily realized, and the control precision is higher.

Preferably, the side wall of thefirst chamber 11 is provided with a plurality ofvent holes 5 communicated with thefirst balloon 2, and the side wall of thesecond chamber 12 is provided with a plurality ofcommunication holes 6 communicated with thesecond balloon 3. The structural form of arranging thevent holes 5 and thecommunication holes 6 is adopted to realize the adjustment of the volume of the two balloons, the structure is simple, the preparation cost is low, and the preparation of the dilatation catheter with the structure is realized easily.

Preferably, an X-rayopaque marker 8 is provided inside thespacer 4. The X-rayopaque markers 8 are arranged in theseparator 4, so that the positions of the two balloons can be clearly distinguished according to the X-rayopaque markers 8, and the accuracy of balloon implantation is further ensured.

Example 3

As shown in fig. 1 to 3, the disposable super-slippery silica gel guiding balloon dilatation catheter of the present embodiment has the same structure as that ofembodiment 2, except that: a plurality of communicating pipes 9 are arranged in thefirst balloon 2, the communicating pipes 9 are connected with the inner wall of thefirst balloon 2, and when thefirst balloon 2 is in an expansion state, the communicating pipes 9 penetrate through thefirst balloon 2 along the direction of the central axis of the catheter 1.

The disposable superslide silica gel guide sacculus expansion pipe of this embodiment can set up many communicating pipes 9 infirst sacculus 2 according to actual conditions for whenfirst sacculus 2 is in the inflation state, communicating pipe 9 can communicate the both sides space of air flue after being separated byfirst sacculus 2, avoids the inflation offirst sacculus 2 to cause the long-time jam of air flue, further reduces the uncomfortable sense of executing the operation in-process patient, makes the operation effect of executing the operation better.

The above embodiments are only used to illustrate the present invention and not to limit the technical solutions of the present invention, and although the present invention has been described in detail with reference to the above embodiments, the present invention is not limited to the above embodiments, therefore, any modifications or equivalent replacements of the present invention can be made, and all technical solutions and modifications without departing from the spirit and scope of the present invention should be covered by the claims of the present invention.

Claims (8)

1. Disposable superslide silica gel guide sacculus expansion pipe, its characterized in that: catheter (1) including hollow tubular structure, the tail end of catheter (1) is sealed, and the head end can be dismantled and connect and fill the mechanism, catheter (1) lateral wall is provided with first sacculus (2), catheter (1) tail end is provided with second sacculus (3), fill the mechanism respectively with first sacculus (2) with second sacculus (3) intercommunication.

2. The disposable ultra-smooth silica gel guiding balloon dilation catheter of claim 1, wherein: the first sacculus (2) is wrapped around the side wall of the catheter (1), and the second sacculus (3) is wrapped on the tail end of the catheter (1).

3. The disposable ultra-smooth silica gel guiding balloon dilation catheter of claim 1, wherein: be provided with separator (4) in pipe (1), separator (4) will the inner space of pipe (1) is first cavity (11) and second cavity (12), first cavity (11) with first sacculus (2) intercommunication, second cavity (12) with second sacculus (3) intercommunication.

4. The disposable ultra-smooth silica gel guiding balloon dilation catheter of claim 3, wherein: the side wall of the first chamber (11) is provided with a plurality of vent holes (5) communicated with the first saccule (2), and the side wall of the second chamber (12) is provided with a plurality of communicating holes (6) communicated with the second saccule (3).

5. The disposable ultra-smooth silica gel guiding balloon dilation catheter of claim 3, wherein: the first chamber (11) and the second chamber (12) are sequentially arranged along the direction of the central axis of the catheter (1), a guide tube (7) communicated with a filling mechanism is arranged in the first chamber (11) along the direction of the central axis of the catheter (1), and the guide tube (7) is communicated with the second chamber (12).

6. The disposable ultra-smooth silica gel guiding balloon dilation catheter of claim 3, wherein: an X-ray opaque mark (8) is arranged in the separator (4).

7. The disposable ultra-smooth silica gel guiding balloon dilation catheter of any one of claims 1-6, wherein: a plurality of communicating pipes (9) are arranged in the first balloon (2), the communicating pipes (9) are connected with the inner wall of the first balloon (2), and when the first balloon (2) is in an expansion state, the communicating pipes (9) penetrate through the first balloon (2) along the direction of the central axis of the catheter (1).

8. The disposable ultra-smooth silica gel guiding balloon dilation catheter of claim 1, wherein: the first balloon (2) and the second balloon (3) are made of silica gel materials.

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