CN213964775U - Eustachian tube balloon catheter - Google Patents
Eustachian tube balloon catheter Download PDFInfo
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- CN213964775U CN213964775U CN202022250937.8U CN202022250937U CN213964775U CN 213964775 U CN213964775 U CN 213964775U CN 202022250937 U CN202022250937 U CN 202022250937U CN 213964775 U CN213964775 U CN 213964775U
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- eustachian tube
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Abstract
The utility model relates to a medical instrument, in particular to a double-cavity eustachian tube balloon catheter. The device comprises a slender catheter, wherein the slender catheter is provided with a front end and a tail end, a connector is fixedly sleeved at the front end, and a balloon is fixedly sleeved at the tail end; wherein the elongated catheter comprises a drug injection tube and an air intake tube; the air inlet pipe is sleeved on the outer side of the medicine injection pipe and is connected with the medicine injection pipe; the length of the medicine injection tube is greater than that of the air inlet tube; the tail end of the air inlet pipe is provided with a plurality of air inlet holes, and the air inlet holes are communicated with the saccule. The utility model discloses a double-barrelled setting can reach the purpose of the exact open eustachian tube, can inject the medicine for the tympanic cavity simultaneously to reach the eustachian tube obstructive disease that the treatment arouses because of the eustachian tube is narrow.
Description
Technical Field
The utility model relates to a medical appliance, in particular to a eustachian tube sacculus catheter.
Background
The eustachian tube, also known as the eustachian tube, has a very important dark channel in the upper part of the anterior wall of the tympanic cavity. One end of the tube enters the tympanic cavity from the front wall, and the other end enters the nasopharynx, which is a channel for communicating the tympanic cavity and the nasopharynx, so the tube is called a eustachian tube. The eustachian tube is the only way for the middle ear to communicate with the outside, and the blockage or blockage of the eustachian tube can cause various lesions of the middle ear system, finally cause hearing impairment and noise of the head, and can cause symptoms such as secretory otitis media and the like if the blockage is too long. Eustachian tube dysfunction is mainly caused by factors such as mechanical stenosis caused by swelling of the mucosa of the eustachian tube, lack of surfactant in the eustachian tube, inflammation of the mucosa of the eustachian tube or allergic edema. Although the auditory sense level can be improved by reconstructing the tympanic cavity and connecting the auditory ossicle chain structure through increasingly perfect middle ear operation modes and advanced operation skills, the eustachian tube dysfunction is not effectively improved at present, so that the long-term effect after the middle ear operation cannot be ensured.
At present, most of the existing eustachian tube balloon catheters are single-cavity channels, so that eustachian tube expansion and drug therapy of the tympanic cavity cannot be realized simultaneously, and the existing eustachian tube balloon catheters are complex in structure and extremely inconvenient to use.
SUMMERY OF THE UTILITY MODEL
For solving the problem in the above-mentioned background art, the utility model provides a eustachian tube sacculus pipe, this sacculus pipe can not only play the effect of expansion eustachian tube, moreover through set up medicine injection tube and intake pipe simultaneously on long and thin pipe, the convenient drainage of expanding and dosing to the eustachian tube.
The utility model adopts the following technical scheme: a eustachian tube balloon catheter comprises an elongated catheter, wherein the elongated catheter is provided with a front end and a tail end, a connector is fixedly sleeved at the front end, and a balloon is fixedly sleeved at the tail end; wherein the elongated catheter comprises a drug injection tube and an air intake tube; the air inlet pipe is sleeved on the outer side of the medicine injection pipe and is connected with the medicine injection pipe; the length of the medicine injection tube is greater than that of the air inlet tube; the tail end of the air inlet pipe is provided with a plurality of air inlet holes, and the air inlet holes are communicated with the saccule.
Further, the medicine injection tube and the air inlet tube are coaxially arranged.
Furthermore, a plurality of rib plates are uniformly distributed in the circumferential direction of the medicine injection tube, one ends of the rib plates are fixedly connected with the outer wall surface of the medicine injection tube, and the other ends of the rib plates are fixedly connected with the inner wall surface of the air inlet tube; correspondingly, a plurality of air inlet cavities are formed in the air inlet pipe in a separated mode; and each air inlet cavity is provided with a plurality of air inlets.
Further, the connector is a three-way joint, and the three-way joint comprises a first interface end and a second interface end which are horizontally arranged, and a third interface end which is vertically arranged with the first interface end and the second interface end; the front end of the slender conduit is sleeved with a heat shrink tube, the heat shrink tube is in a conical shape, the heat shrink tube is provided with a reducing end and an expanding end, the expanding end is connected with the first interface end, the second interface end is communicated with the medicine injection tube, and the third interface end is communicated with the air inlet tube.
Further, the second interface end is provided with a sealing sleeve for sealing and isolating the second interface end from the third interface end.
Further, a balloon pressure expansion pump is installed at the third interface end.
Further, the second interface end is provided with a flow control valve.
Further, the balloon is in the shape of a long cylinder or a sphere.
Further, the outer surface of the saccule is provided with a medicine coating, and the outer surface of the slender catheter is provided with a hydrophilic coating.
Compared with the prior art, the beneficial effects of the utility model are that:
1) the utility model provides a eustachian tube sacculus pipe, the slender pipe is composed of a drug injection tube and an air inlet tube, a plurality of air inlet holes are arranged at the end of the air inlet tube, the communication between the air inlet tube and the sacculus is realized through the air inlet holes, the sacculus can be inflated through the air inlet tube, and the purpose of expanding the eustachian tube is achieved; the medicine injection tube is used for injecting water, medicines and the like into the eustachian tube, the purpose of opening the eustachian tube exactly can be achieved through the double-tube arrangement of the slender catheter, and meanwhile, medicines can be injected into the eustachian chamber, so that the purpose of treating the eustachian tube obstructive diseases caused by eustachian tube stenosis is achieved. And simultaneously, the utility model provides a eustachian tube sacculus pipe, simple structure, convenient to use, production manufacturing cost are lower, do benefit to the marketing and apply.
2) Adopt the pyrocondensation pipe to connect, connect simply, the production of being convenient for, and the waterproof leakproofness of connecting is good.
3) The sealing sleeve is arranged, the sealing connection between the second interface end and the medicine injection tube is realized through the sealing sleeve, the communication between the air inlet tube and the medicine injection tube is avoided, and the mutual noninterference of medicine injection and air inlet is realized.
4) The eustachian tube saccule catheter of the utility model is provided with the drug coating on the outer surface of the saccule and the hydrophilic coating on the outer surface of the slender catheter, wherein, the drug coating can reduce the irritation and toxicity of the drug to the lesion and improve the stability of the drug; the hydrophilic coating has better lubrication, so that the surface friction coefficient of the balloon, the slender catheter and the eustachian tube is reduced, and the balloon catheter can more easily pass through the nasal passage of a patient and enter the eustachian tube.
Drawings
For a clearer explanation of 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, 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 the general structure of the eustachian tube balloon catheter of the present invention;
FIG. 2 is a cross-sectional view of the eustachian tube balloon catheter of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is an enlarged view of portion B of FIG. 2;
FIG. 5 is a view of the structure of the slender catheter of the eustachian tube balloon catheter of the present invention;
FIG. 6 is an enlarged view of the portion C of FIG. 5;
in the figure: the device comprises a slender catheter 1, a front end 10, a tail end 11, a medicine injection tube 12, an air inlet tube 13, an air inlet hole 130, a rib plate 131 and an air inlet cavity 132; connector 2, first interface end 20, second interface end 21, third interface end 22; a balloon 3; a heat shrink tube 4, a reducing end 40, an expanding end 41; a sealing sleeve 5; a balloon pressure expansion pump 6; a flow control valve 7.
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 present application, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The present invention will be discussed in detail below with reference to fig. 1 to 6 and specific embodiments:
as shown in fig. 1-6, the utility model provides a eustachian tube balloon catheter, which comprises an elongated catheter 1, wherein the elongated catheter 1 is provided with a front end 10 and a tail end 11, and the front end 10 is fixedly sleeved with a connector 2; the connector 2 of the present embodiment is a tube structure for communicating with the elongated catheter 1 for ventilation or drug injection. The tail end 11 is fixedly sleeved with a balloon 3, and the balloon 3 has certain elasticity and can be swelled after being inflated; specifically, in this embodiment, the balloon 3 has an elongated cylindrical shape or a spherical shape. The slender catheter 1 comprises a medicine injection tube 12 and an air inlet tube 13, wherein the medicine injection tube 12 is used for injecting water, medicines and the like into the eustachian tube, and the air inlet tube 13 is used for inflating the balloon 3 so as to achieve the purpose of expanding the eustachian tube; the air inlet pipe 13 is sleeved on the outer side of the medicine injection pipe 12 and is connected with the medicine injection pipe 12; and the length of the medicine injection tube 12 is greater than that of the air inlet tube 13. The tail end of the air inlet pipe 13 is provided with a plurality of air inlet holes 130, and the air inlet holes 130 are communicated with the saccule 3, so that the air inlet pipe 13 is communicated with the saccule 3. It should be noted that, in the eustachian tube balloon catheter, the air pressure in the balloon 3 needs to be ensured to be less than 16 atmospheres in the use process, otherwise, the balloon 3 may be exploded, and the injury may be caused to the patient.
The utility model provides a eustachian tube sacculus pipe, this slender pipe 1 is made up of medicine injection tube 12 and intake pipe 13 two parts, and set up several inlet ports 130 at the end of intake pipe 13, realize the intercommunication between intake pipe 13 and sacculus 3 through inlet port 130, can inflate sacculus 3 through intake pipe 13, reach the purpose of expanding the eustachian tube; the drug injection tube 12 is used for injecting water, drugs and the like into the eustachian tube, can achieve the purpose of opening the eustachian tube exactly through the double-tube arrangement of the slender catheter 1, and can inject drugs into the eustachian chamber, thereby achieving the purpose of treating the eustachian tube obstructive disease caused by eustachian tube stenosis. And simultaneously, the utility model provides a eustachian tube sacculus pipe, simple structure, convenient to use, production manufacturing cost are lower, do benefit to the marketing and apply.
Further, in the present embodiment, the medicine injection tube 12 is coaxially disposed with the air inlet tube 13; meanwhile, a plurality of rib plates 131 are uniformly distributed in the circumferential direction of the medicine injection tube 12, one ends of the rib plates 131 are fixedly connected with the outer wall surface of the medicine injection tube 12, the other ends of the rib plates 131 are fixedly connected with the inner wall surface of the air inlet tube 13, and the air inlet tube 13 is internally divided into a plurality of air inlet cavities 132; and each air inlet cavity 132 is provided with a plurality of air inlet holes 130, so that each air inlet cavity 132 is ensured to be communicated with the saccule 3, and the saccule 3 is favorably and rapidly inflated. Specifically, in this embodiment, four rib plates 131 are uniformly distributed on the outer wall surface of the drug injection tube 12 and perpendicular to the outer wall surface of the drug injection tube 12, so as to realize the fixed connection between the drug injection tube 12 and the air inlet tube 13, and the overall connection structure is simple and the production and manufacturing costs are low. It should be noted that, in the present invention, one or more air inlets 130 may be provided, which is not limited specifically; meanwhile, the shape of the air inlet 130 may be circular, triangular, and other polygonal shapes, etc., and the present invention does not specifically limit the shape, and all belongs to the protection scope of the present invention.
Further, the connector 2 is a three-way joint, and the three-way joint includes a first interface end 20 and a second interface end 21 which are horizontally arranged, and a third interface end 22 which is vertically arranged with the first interface end 20 and the second interface end 21. The front end 10 of the slender catheter 1 is sleeved with a heat shrink tube 4, and the slender catheter 1 is in sealed fixed connection with the connector 2 through the heat shrink tube 4; the heat-shrinkable tubes 4 are adopted for connection, so that the waterproof and sealing performance is good; the heat shrinkable tube 4 is in a conical shape, the heat shrinkable tube 4 is provided with a reducing end 40 and an expanding end 41, the expanding end 41 is connected with the first mouthpiece end 20, the second mouthpiece end 21 is communicated with the medicine injection tube 12, and the third mouthpiece end 22 is communicated with the air inlet tube 13. In this embodiment, the front end of the medicine injection tube 12 extends to the second mouthpiece end 21, so as to realize the communication between the second mouthpiece end 21 and the medicine injection tube 12. Specifically, the second mouthpiece end 21 is provided with a sealing sleeve 5 for sealing and isolating the second mouthpiece end 21 and the third mouthpiece end 22, and the sealing sleeve 5 is used for realizing the sealing connection between the second mouthpiece end 21 and the drug injection tube 12, so as to avoid the communication between the air inlet tube 13 and the drug injection tube 12 and realize the mutual noninterference between the drug injection and the air inlet. Specifically, a protective sleeve can be sleeved on the elongated catheter 1 corresponding to the installation position of the heat shrinkable tube 4, and the protective sleeve protects the elongated catheter 1, so that the performance of the elongated catheter 1 is prevented from being influenced when the heat shrinkable tube 4 is heated.
It should be noted that, the connector 2 of the present invention may also be a split connector, for example, in other embodiments, the connector 2 includes a first connector and a second connector, the first connector is a three-way joint, the second connector is a straight two-way joint, the first connector is communicated with the air inlet pipe 13, the second connector is communicated with the medicine injection pipe 12, and the first connector is connected with the second connector in a sealing manner. Set up first connector and second connector and also can realize expanding the narrow or obstructed eustachian tube simultaneously to and the infusion liquid medicine, overall structure is simple, convenient to use, and first connector and second connector can be selected as the connector of different grade type, all belong to the utility model discloses a protection scope. It is also contemplated that a handle may be provided on the outer peripheral surface of the connector 2 to facilitate handling of the device by medical personnel, etc.
Further, a balloon pressure expansion pump 6 is installed at the third interface end 22; the doctor controls the pressure and the like by regulating the balloon pressure expansion pump 6 during clinical operation, and the use is convenient. The utility model provides a sacculus pressure expansion pump 6 can be electrified electronically, also can be mechanical pressure gauge, the utility model discloses do not injecing to concrete specification model etc.. In addition, the balloon pressure expanding pump 6 in the utility model can be replaced by a flow control valve for controlling the speed of gas injection, the injection amount and the like; the utility model discloses in do not specifically prescribe to specification, model etc. of flow control valve, the design by oneself can according to actual conditions for the technical staff in the field.
Further, the second mouthpiece end 21 is provided with a flow control valve 7 for controlling the flow rate of water or drug to be injected into the eustachian tube, the total amount of injection, and the like. Specifically, the utility model discloses in do not specifically limit to specification, model etc. of flow control valve 7, the field technical personnel design by oneself according to actual conditions can.
Further, the outer surface of the balloon 3 is provided with a drug coating, and the outer surface of the elongated catheter 1 is provided with a hydrophilic coating. The drug coating of the embodiment is added with liposome or cyclodextrin such as microspheres, microcapsules or phospholipid and a bilichol bilayer, so that the irritation and toxicity of the drug to a pathological change part can be reduced, and the stability of the drug can be improved. Wherein the cyclodextrin is cyclic oligosaccharide containing 6-8 glucose units, and can form inclusion compound with fat-soluble medicine to increase their water content and improve medicine solubility, and the cyclodextrin can directly act on epithelial cells to increase permeability of water-soluble medicine such as peptide and protein to mucosa; the liposome consists of lipid bilayers, and the inside of the liposome is a closed vesicle with a water phase, mainly consisting of phospholipid and cholesterol, and the liposome can also reduce the toxicity of the medicament and improve the stability of the medicament; the cyclodextrin and the liposome described in the utility model are absorption promoters, which can increase the absorption of the nose mucosa of the medicine and improve the medicine property.
Specifically, the hydrophilic coating on the outer surface of the elongated catheter 1 of the present embodiment has good lubricity, so that the surface friction coefficient of the balloon 3, the elongated catheter 1 and the eustachian tube is reduced, and the balloon catheter can more easily enter and pass through the nasal passage of the patient and enter the eustachian tube. Specifically, the hydrophilic coating of the present embodiment includes a first solution and a second solution, and the components of the first solution are: 1-2% of amino silanes, 8-10% of water, organic solvent and the balance; the composition of the second solution was: 2-3% of hydrophilic polymer, organic solvent and the balance, the outer surface of the slender catheter 1 is treated by the lubricating liquid reagent of the hydrophilic coating, the treated slender catheter 1 has better lubrication degree, the surface friction coefficient can be reduced by 80%, and the balloon catheter can more easily pass through the nasal passage of a patient and enter the eustachian tube. It should be noted that all the components in the reagent provided by the utility model have no adverse reaction to human body, and the reagent has better safety and long storage time.
Use the utility model discloses the time, with this eustachian tube sacculus pipe through nasal cavity to big nasopharynx portion, then put into the bone portion or the cartilage portion of eustachian tube through the eustachian tube pharyngeal mouth of nasopharynx portion, then fill the port connection of filling equipment through second interface end 21 and outside, it makes the sacculus inflation back be used for expanding the eustachian tube to fill into gaseous messenger's sacculus inflation in sacculus 3 through filling equipment, make obstructed eustachian tube open, then be connected with the port of outside infusion equipment through third interface end 22, inject the medicine in medicine injection tube 12 through infusion equipment, reach in the tympanic cavity, the liquid medicine is infused to the position of pathological change in the eustachian tube, the relevant disease that the treatment arouses because of eustachian tube trouble.
The present invention has been further described with reference to specific embodiments, but it should be understood that the specific description herein should not be construed as limiting the spirit and scope of the present invention, and that various modifications to the above-described embodiments, which would occur to persons skilled in the art after reading this specification, are within the scope of the present invention.
Claims (9)
1. A eustachian tube balloon catheter is characterized in that: the device comprises an elongated catheter, wherein the elongated catheter is provided with a front end and a tail end, a connector is fixedly sleeved at the front end, and a balloon is fixedly sleeved at the tail end;
wherein the elongated catheter comprises a drug injection tube and an air intake tube; the air inlet pipe is sleeved on the outer side of the medicine injection pipe and is connected with the medicine injection pipe; the length of the medicine injection tube is greater than that of the air inlet tube;
the tail end of the air inlet pipe is provided with a plurality of air inlet holes, and the air inlet holes are communicated with the saccule.
2. The eustachian tube balloon catheter according to claim 1, wherein: the medicine injection tube and the air inlet tube are coaxially arranged.
3. The eustachian tube balloon catheter according to claim 2, wherein: a plurality of rib plates are uniformly distributed in the circumferential direction of the medicine injection pipe, one end of each rib plate is fixedly connected with the outer wall surface of the medicine injection pipe, and the other end of each rib plate is fixedly connected with the inner wall surface of the air inlet pipe; correspondingly, a plurality of air inlet cavities are formed in the air inlet pipe in a separated mode; and each air inlet cavity is provided with a plurality of air inlets.
4. The eustachian tube balloon catheter according to claim 3, wherein: the connector is a three-way joint, and the three-way joint comprises a first interface end, a second interface end and a third interface end, wherein the first interface end and the second interface end are horizontally arranged, and the third interface end is perpendicular to the first interface end and the second interface end;
the front end of the slender catheter is sleeved with a heat shrink tube, the heat shrink tube is in a conical shape, the heat shrink tube is provided with a reducing end and an expanding end, the expanding end is connected with the first interface end, the second interface end is communicated with the medicine injection tube, and the third interface end is communicated with the air inlet tube.
5. The eustachian tube balloon catheter according to claim 4, wherein: the second interface end is provided with a sealing sleeve for sealing and isolating the second interface end and the third interface end.
6. The eustachian tube balloon catheter according to claim 5, wherein: and the third interface end is provided with a balloon pressure expansion pump.
7. The eustachian tube balloon catheter according to claim 5, wherein: and the second interface end is provided with a flow control valve.
8. The eustachian tube balloon catheter according to claim 1, wherein: the balloon is in a long cylindrical shape or a spherical shape.
9. The eustachian tube balloon catheter according to claim 8, wherein: the outer surface of the sacculus is provided with a medicine coating, and the outer surface of the slender catheter is provided with a hydrophilic coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022250937.8U CN213964775U (en) | 2020-10-10 | 2020-10-10 | Eustachian tube balloon catheter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022250937.8U CN213964775U (en) | 2020-10-10 | 2020-10-10 | Eustachian tube balloon catheter |
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| Publication Number | Publication Date |
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| CN213964775U true CN213964775U (en) | 2021-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022250937.8U Active CN213964775U (en) | 2020-10-10 | 2020-10-10 | Eustachian tube balloon catheter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114748702A (en) * | 2022-03-31 | 2022-07-15 | 广州曼翔医药有限公司 | Hydrogel coating for eustachian tube balloon dilatation catheter and preparation method thereof |
-
2020
- 2020-10-10 CN CN202022250937.8U patent/CN213964775U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114748702A (en) * | 2022-03-31 | 2022-07-15 | 广州曼翔医药有限公司 | Hydrogel coating for eustachian tube balloon dilatation catheter and preparation method thereof |
| CN114748702B (en) * | 2022-03-31 | 2022-12-13 | 广州曼翔医药有限公司 | Hydrogel coating for eustachian tube balloon dilatation catheter and preparation method thereof |
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