阅读说明：本技术 一种咽鼓管球囊扩张中空管 (Eustachian tube balloon dilatation hollow tube ) 是由 杨海弟 于 2021-09-28 设计创作，主要内容包括：本发明公开了一种咽鼓管球囊扩张中空管,属于医疗器械技术领域。包括至少一个充水泵、导向插入管和扩张管；扩张管穿过通道并通过锁紧件可拆卸地固定于导向插入管上；扩张管包括充气管件、输药管件和扩张气囊；充气管件的始端设置有用于进气的进气端,扩张气囊设置于充气管件的末端上,扩张气囊与充气管件连通；输药管件位于充气管件内,至少一个充水泵的输出端通过第一导管与输药管件的输入端相连,输药管件的输出端延伸至充气管件的末端外,扩张气囊环绕设置于输药管件的输出端外壁上。本发明可导向进入咽鼓管,可以在扩张咽鼓管球囊的同时,对球囊进行给药或抽出积液,结构简单,且对扩张管具有导向作用。(The invention discloses a eustachian tube balloon dilatation hollow tube, and belongs to the technical field of medical instruments. Comprises at least one water filling pump, a guide inserting pipe and an expansion pipe; the expansion pipe passes through the channel and is detachably fixed on the guide insertion pipe through a locking piece; the expansion pipe comprises an inflation pipe fitting, a medicine delivery pipe fitting and an expansion air bag; the starting end of the inflatable pipe fitting is provided with an air inlet end for air inlet, the expansion air bag is arranged on the tail end of the inflatable pipe fitting, and the expansion air bag is communicated with the inflatable pipe fitting; the medicine conveying pipe fitting is positioned in the inflatable pipe fitting, the output end of at least one water filling pump is connected with the input end of the medicine conveying pipe fitting through a first guide pipe, the output end of the medicine conveying pipe fitting extends out of the tail end of the inflatable pipe fitting, and the expansion air bag is arranged on the outer wall of the output end of the medicine conveying pipe fitting in a surrounding mode. The invention can guide to enter the eustachian tube, can carry out drug administration or effusion extraction on the balloon while expanding the eustachian tube balloon, has simple structure and has guiding function on the expansion tube.)

1. A eustachian tube balloon dilatation hollow tube is characterized by comprising at least one water filling pump, a guide insertion tube and an expansion tube;

the guide insertion tube is provided with a locking piece, and a channel is formed in the guide insertion tube; the expansion tube passes through the channel and is detachably fixed on the guide insertion tube through the retaining piece;

the expansion pipe comprises an inflation pipe fitting, a medicine delivery pipe fitting and an expansion air bag; the starting end of the inflatable pipe fitting is provided with an air inlet end for air inlet, the expansion air bag is arranged on the tail end of the inflatable pipe fitting, and the expansion air bag is communicated with the inflatable pipe fitting; the medicine conveying pipe fitting is positioned in the inflatable pipe fitting, the output end of at least one of the water filling pumps is connected with the input end of the medicine conveying pipe fitting through a first guide pipe, the output end of the medicine conveying pipe fitting extends out of the tail end of the inflatable pipe fitting, and the expansion air bag is arranged on the outer wall of the output end of the medicine conveying pipe fitting in a surrounding mode.

2. The eustachian tube balloon dilatation hollow tube of claim 1 wherein:

the guide insertion tube comprises a handheld portion and a guide portion, the guide portion is detachably mounted at one end of the handheld portion, and at least one ring is arranged on the outer wall of the handheld portion.

3. The eustachian tube balloon dilatation hollow tube of claim 2 wherein:

the tail end of the guide part is provided with a bending part, and the number of the finger rings is three.

4. The eustachian tube balloon dilatation hollow tube of claim 1 wherein:

and a first pressure gauge is arranged at the output end of the water filling pump.

5. The eustachian tube balloon dilatation hollow tube of claim 1 wherein:

the first conduit is provided with a first control valve.

6. The eustachian tube balloon dilatation hollow tube of claim 1 wherein:

the water filling pump is provided with at least two liquid cavities, each liquid cavity is connected with a first guide pipe, at least two first guide pipes are connected with the input end of the medicine conveying pipe fitting, and each liquid cavity is provided with a piston pushing piece.

7. The eustachian tube balloon dilatation hollow tube of claim 6, wherein:

at least two of the first conduits are each provided with a first control valve.

8. The eustachian tube balloon dilatation hollow tube of claim 1 wherein:

the air pump is further included, and the output end of the air pump is connected with the air inlet end of the inflatable pipe fitting through a second conduit.

9. The eustachian tube balloon dilatation hollow tube of claim 8 wherein:

the second guide pipe is provided with a second control valve, and the output end of the air pump is provided with a second pressure gauge.

10. The eustachian tube balloon dilatation hollow tube of claim 2 wherein:

the retaining member is a bolt, the outer wall of the handheld portion is provided with a threaded hole, the threaded hole penetrates through the handheld portion, and the bolt is in threaded fit with the threaded hole.

Technical Field

The invention relates to the technical field of medical instruments, in particular to a eustachian tube balloon dilatation hollow tube.

Background

At present, the known eustachian tube balloon dilatation tube structure is formed by combining an air nozzle, a catheter and an dilatation tube. The catheter is inserted into the nasal cavity along the nasal passage, reaches the eustachian tube part and is inflated to play a role in expanding the eustachian tube.

However, for reasons such as that the eustachian tube needs to overcome gravity, administration and secretion removal are still completed by using an additional catheter, and in addition, the position of the additional catheter and the expansion tube extending into the nasal passage is controlled simultaneously, so that the operation is troublesome.

The existing eustachian tube balloon dilatation hollow tube has the following defects:

(1) the extra catheter is needed for medicine infusion or liquid accumulation discharge, and the operation is troublesome.

(2) Has no guiding function.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention aims to provide the eustachian tube balloon expansion hollow tube which can be guided to enter the eustachian tube, can be used for feeding medicine or extracting effusion while expanding the eustachian tube balloon, has a simple structure and has a guiding function on the expansion tube.

The purpose of the invention is realized by adopting the following technical scheme: a eustachian tube balloon dilatation hollow tube comprises at least one water filling pump, a guide insertion tube and an expansion tube;

the guide insertion tube is provided with a locking piece, and a channel is formed in the guide insertion tube; the expansion tube passes through the channel and is detachably fixed on the guide insertion tube through the retaining piece;

the expansion pipe comprises an inflation pipe fitting, a medicine delivery pipe fitting and an expansion air bag; the starting end of the inflatable pipe fitting is provided with an air inlet end for air inlet, the expansion air bag is arranged on the tail end of the inflatable pipe fitting, and the expansion air bag is communicated with the inflatable pipe fitting; the medicine conveying pipe fitting is positioned in the inflatable pipe fitting, the output end of at least one of the water filling pumps is connected with the input end of the medicine conveying pipe fitting through a first guide pipe, the output end of the medicine conveying pipe fitting extends out of the tail end of the inflatable pipe fitting, and the expansion air bag is arranged on the outer wall of the output end of the medicine conveying pipe fitting in a surrounding mode.

Furthermore, the guide insertion tube comprises a handheld portion and a guide portion, the guide portion is detachably mounted at one end of the handheld portion, and at least one ring is arranged on the outer wall of the handheld portion.

Furthermore, the tail end of the guide part is provided with a bending part, and the number of the finger rings is three.

Further, the output end of the water filling pump is provided with a first pressure gauge.

Further, the first conduit is provided with a first control valve.

Furthermore, the water filling pump is provided with at least two liquid cavities, each liquid cavity is connected with a first guide pipe, the at least two first guide pipes are connected with the input end of the medicine conveying pipe fitting, and each liquid cavity is provided with a piston pushing piece.

Further, at least two of the first conduits are each provided with a first control valve.

Furthermore, the air pump is further included, and the output end of the air pump is connected with the air inlet end of the air inflation pipe fitting through a second conduit.

Further, the second conduit is provided with a second control valve, and the output end of the air pump is provided with a second pressure gauge.

Further, the retaining member is a bolt, a threaded hole is formed in the outer wall of the handheld portion, the threaded hole penetrates through the handheld portion, and the bolt is in threaded fit with the threaded hole.

Compared with the prior art, the invention has the beneficial effects that:

(1) the steerable expansion tube of direction insert tube gets into the eustachian tube, can be when expansion eustachian tube sacculus, doses or take out the hydrops to the sacculus, simple structure, and the convenience is operated simultaneously.

(2) A guide insertion tube is arranged, and the guide expansion tube is inserted into the nasal passage; be provided with the retaining member on the direction insert tube, the expansion pipe that conveniently controls the direction stretches into distance and position, and the expansion pipe passes the insert tube and installs on the direction insert tube, by retaining member fixed position, easy to assemble and dismantlement.

Drawings

FIG. 1 is a schematic structural view of a eustachian tube balloon dilatation hollow tube according to an embodiment of the present invention;

FIG. 2 is another schematic structural view of a eustachian tube balloon expandable hollow tube according to an embodiment of the present invention;

FIG. 3 is a schematic structural view of a eustachian tube balloon dilatation hollow tube and air pump according to an embodiment of the present invention;

FIG. 4 is a partial schematic structural view of a dilation tube provided in accordance with an embodiment of the present invention;

fig. 5 is a schematic structural view of a guide insertion tube according to an embodiment of the present invention.

In the figure: 1. a water filling pump; 2. guiding the insertion tube; 21. a hand-held portion; 22. a guide portion; 3. an expansion tube; 31. an inflatable tube; 32. a drug delivery tube; 33. expanding the balloon; 4. a locking member; 5. a first conduit; 6. a ring; 7. a first pressure gauge; 8. a liquid chamber; 9. a second conduit; 10. a piston pusher; 11. a second pressure gauge; 12. an air pump.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict. In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

As shown in fig. 1 to 5, a eustachian tube balloon dilatation hollow tube comprises at least one water filling pump 1, a guide insertion tube 2 and an expansion tube 3; the guide insertion tube 2 is provided with a locking piece 4, and a channel is formed in the guide insertion tube 2; the expanding tube 3 passes through the passage and is detachably fixed on the guide inserting tube 2 through a locking piece 4; the expanding tube 3 comprises an inflating tube 31, a medicine conveying tube 32 and an expanding air bag 33; the beginning end of the inflation pipe fitting 31 is provided with an air inlet end for air inlet, the expansion airbag 33 is arranged on the tail end of the inflation pipe fitting 31, and the expansion airbag 33 is communicated with the inflation pipe fitting 31; the medicine conveying pipe fitting 32 is positioned in the inflatable pipe fitting 31, the output end of at least one charging pump 1 is connected with the input end of the medicine conveying pipe fitting 32 through the first guide pipe 5, the output end of the medicine conveying pipe fitting 32 extends out of the tail end of the inflatable pipe fitting 31, and the expansion air bag 33 is arranged on the outer wall of the output end of the medicine conveying pipe fitting 32 in a surrounding mode.

The guide insertion tube 2 can guide the expansion tube 3 to enter the eustachian tube, and the expansion air bag 33 is pressurized and expanded after air is introduced into the air inlet end of the inflation tube piece 31, so that the eustachian tube balloon is expanded; when expanding the eustachian tube sacculus, can utilize water filling pump 1 to administer or take out the hydrops through defeated medicine pipe fitting 32 to the sacculus, simple structure conveniently operates simultaneously. The expansion air bag 33 and the medicine delivery pipe fitting 32 are arranged into a whole, and the medicine delivery pipe fitting 32 penetrates through the expansion air bag 33, so that medicine delivery is properly positioned after the expansion air bag 33 is expanded, and the medicine delivery efficiency and the medicine delivery effect are improved. A guide insertion tube 2 is arranged, and a guide expansion tube 3 is inserted into the nasal passage; be provided with retaining member 4 on the direction insert tube 2, the distance of stretching into of expansion tube 3 is conveniently controlled in the control direction, and expansion tube 3 passes the insert tube and installs on direction insert tube 2, by retaining member 4 fixed position, easy to assemble and dismantlement. A water filling pump 1 is selected to this embodiment, can increase a plurality of water filling pumps 1 according to the needs of operation and link to each other with defeated medicine pipe fitting 32 to set up corresponding control valve, convenient operation improves work efficiency. The locking piece 4 can be a threaded locking piece 4, a pressing type locking piece 4 or a buckling type locking piece 4.

Further, the guiding insertion tube 2 comprises a handheld portion 21 and a guiding portion 22, the guiding portion 22 is detachably mounted on one end of the handheld portion 21, and at least one finger ring 6 is arranged on the outer wall of the handheld portion 21. Be provided with handheld portion 21 and guide part 22 and can dismantle fixed connection, the one end that can set up handheld portion 21 in this embodiment carries out threaded connection with the one end of guide part 22, conveniently dismantles the change, reduces the cost. The hand-held portion 21 is provided for easy control by an operator, and the guide portion 22 is used for guiding the expanding tube 3.

Further, the tip of the guide portion 22 is provided with a curved portion, and the number of the finger rings 6 is three. The finger ring 6 is arranged to facilitate the holding of an operator, and the slipping is avoided. The curved portion is provided to facilitate insertion of the guide stent 3 into the nasal passage.

Further, the output end of the water filling pump 1 is provided with a first pressure gauge 7. The first pressure gauge 7 is used for detecting the air pressure of the first conduit 5.

Further, the first conduit 5 is provided with a first control valve. A first control valve is provided for controlling the opening and closing of the first conduit 5.

Further, the water filling pump 1 has at least two liquid cavities 8, each liquid cavity 8 is connected with a first conduit 5, the at least two first conduits 5 are connected with the input end of the medicine delivery pipe 32, and each liquid cavity 8 is provided with a piston pushing piece 10. As shown in fig. 2, the water filling pump 1 is provided with two liquid chambers 8, each liquid chamber 8 is connected with the drug delivery pipe fitting 32 through a first conduit 5, so that the two liquid chambers 8 can contain different solutions, one liquid chamber 8 is used for pumping out the effusion, the other liquid chamber 8 contains the cleaning solution or the cleaning drug and the like, and the cleaning solution in the other liquid chamber 8 is directly used for inputting into the eustachian tube after the effusion is pumped out; and finally, draining the accumulated liquid in the first step, and then pumping out the accumulated liquid again by the liquid cavity 8 for pumping out the accumulated liquid and the piston pushing piece 10, thereby realizing the functions of cleaning and pumping out the accumulated liquid. In addition to the above operations, the accumulated liquid may be directly pumped into one of the liquid chambers 8. The other liquid cavity 8 contains a medicine, and the medicine can be input immediately after the accumulated liquid is pumped out, so that the efficiency is improved.

Further, at least two first conduits 5 are each provided with a first control valve. A first control valve is provided for controlling the opening and closing of the first conduit 5. Each first control valve controls one first conduit 5, respectively.

Further, an air pump 12 is further included, and an output end of the air pump 12 is connected with an air inlet end of the inflation pipe fitting 31 through a second conduit 9. The output end of the air pump 12 supplies air pressure to the expanding air bag 33 through the second conduit 9, so as to control the expansion and contraction of the expanding air bag 33.

Further, the second conduit 9 is provided with a second control valve, and the output end of the air pump 12 is provided with a second pressure gauge 11. A second control valve is provided for controlling the opening and closing of the second conduit 9, facilitating control of the air pressure.

Further, retaining member 4 is the bolt, and the outer wall of handheld portion 21 is provided with the screw hole, and the screw hole runs through handheld portion 21, bolt and screw hole screw-thread fit. A second pressure gauge 11 is provided for detecting the air pressure of the second conduit 9. The bolt is arranged to be in threaded fit with the threaded hole, and the expansion pipe 3 can be compressed and positioned after the bolt penetrates through the threaded hole.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.