CN209864990U

CN209864990U - Nasal sinus dilator

Info

Publication number: CN209864990U
Application number: CN201920550978.3U
Authority: CN
Inventors: 钱永巍; 虞小勋; 施超
Original assignee: Suzhou Lainuo Medical Devices Co
Current assignee: Suzhou Lainuo Medical Devices Co
Priority date: 2019-04-22
Filing date: 2019-04-22
Publication date: 2019-12-31
Anticipated expiration: 2029-04-22

Abstract

The utility model provides a sinus expansion device, include the inner tube and locate the outer tube in the inner tube outside, the one end of inner tube be equipped with the soft head of inner tube body coupling, the other end of inner tube is equipped with the inlet that is used for injection liquid, soft overhead a plurality of liquid holes that are equipped with, the inner tube is equipped with the inner chamber, the inner chamber with go out liquid hole intercommunication, the inner tube with be equipped with a plurality of air inflation chamber and yarn guide chamber between the outer tube, the outer tube is kept away from the one end of soft head is equipped with and is used for the gas filled side interface, air inflation chamber with the side interface is linked together through annular connection chamber, be close to on the outer tube the one end of soft head is equipped with the sacculus, be equipped with on the lateral wall of air inflation. The utility model discloses all locate the outer tube and the inner tube between with the seal wire chamber with aerifing the chamber, be equipped with the seal wire entry that links to each other with the seal wire chamber on the lateral wall of outer tube, the more be convenient for the device's use, and the device still has the effect of disinfecting, dosing.

Description

Nasal sinus dilator

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to sinus dilation device.

Background

Chronic sinusitis is a multiple disease of otorhinolaryngology, can be singly caused in a certain paranasal sinus, but is commonly caused by bilateral or multiple paranasal sinuses, and has the main clinical symptoms of mucus or purulent nasal discharge, nasal obstruction, headache and hyposmia, which seriously affect the physical and mental health of patients. For many patients who are ineffectual in drug therapy, a doctor adopts a nasal endoscope to perform operation to remove mucous membranes and bone tissues around the nasal sinus orifice, open the nasal sinus and drain accumulated pus, but the removal operation has the defects of damage of an anatomical structure and tissue injury. The sinus sacculus expansion is a nasosinusitis treatment technology from the United states, has the advantages of being minimally invasive, little in pain and high in safety, and is characterized in that a small and soft sacculus is inserted into a sinus channel, the channel which is shrunk or has nasal obstruction due to inflammation is recovered by expansion of the sacculus, and the sinus cavity is flushed by normal saline so as to achieve the purpose of treatment. However, in the use process of the common sinus dilation device, because the device needs to be in contact with the nasal cavity, the risk of infection caused by bacteria and the like entering the human body through the device exists, and the sinus dilation device also has the problem of inconvenient use. Therefore, there is an urgent need for a sinus dilation device that can solve the existing problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the not enough of prior art, provide a sinus expansion device, the device convenient to use, in the use, can conveniently fix a position and use through the seal wire, and still be equipped with antibiotic layer on the internal surface of inner tube and the surface of outer tube, can restrain in the bacterium etc. enters into the human body through the device.

The utility model provides a following technical scheme:

the utility model provides a sinus expansion device, includes the inner tube and locates the outer tube in the inner tube outside, the one end of inner tube be equipped with the soft head of inner tube body coupling, the other end of inner tube is equipped with the inlet that is used for injecting liquid, soft overhead a plurality of liquid holes that are equipped with, the inner tube is equipped with the inner chamber, the inner chamber with go out liquid hole intercommunication, the inner tube with be equipped with a plurality of gas cavities and wire guide cavity between the outer tube, the outer tube is kept away from the one end of soft head is equipped with and is used for the gas filled side interface, gas the cavity with the side interface is linked together through annular connection chamber, be close to on the outer tube the one end of soft head is equipped with the sacculus, be equipped with on the lateral wall.

Preferably, the balloon is a double-layer balloon.

Preferably, a drug coating is attached to the outer side of the balloon.

Preferably, the inner surface of the inner tube is coated with an antibacterial layer, and the outer surface of the outer tube is also coated with an antibacterial layer.

Preferably, the number of the aeration cavities is 1-3.

Preferably, a guide wire inlet which penetrates through the side wall of the outer tube and is communicated with the guide wire cavity is formed in the side wall of the outer tube.

The utility model has the advantages that:

the utility model arranges the yarn guide cavity and the air charging cavity between the outer tube and the inner tube, and the side wall of the outer tube is provided with the yarn guide inlet connected with the yarn guide cavity, thereby being more convenient for the use of the device on the premise of not influencing the use of the air charging cavity and not obviously increasing the size of the outer tube; the balloon of the utility model adopts a double-layer structure, has better compression resistance, and the drug coating is attached to the outer side of the balloon, and the balloon is in close contact with the nasal cavity, thus being beneficial to better playing the role of the drug; the utility model discloses all set up antibiotic layer at the internal surface of inner tube and the surface of outer tube, at the in-process of the device and human contact, can restrain bacterium etc. and enter into the human body through the device.

Drawings

The accompanying drawings are included to provide a further understanding and description of the invention.

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic structural view from another angle of the present invention;

fig. 3 is an enlarged schematic view of the present invention at I in fig. 1;

fig. 4 is an enlarged schematic view of the present invention at II in fig. 2;

figure 5 is a cross-sectional view taken at a-a1 in figure 4 according to the present invention.

Labeled as: 1. an inner tube; 2. an outer tube; 3. softening the head; 4. a liquid outlet hole; 5. an inflation cavity; 6. a guidewire lumen; 7. a connecting cavity; 8. a side interface; 9. a through hole; 10. a liquid inlet; 11. a guidewire inlet; 12. a balloon; 13. an inner cavity.

Detailed Description

As shown in fig. 1 to 5, a sinus dilation device comprises an inner tube 1 and an outer tube 2 arranged outside the inner tube 1, wherein one end of the inner tube 1 is provided with a soft head 3 integrally connected with the inner tube 1, the other end of the inner tube 1 is provided with a liquid inlet 10, the soft head 3 is provided with a plurality of liquid outlet holes 4, an inner cavity 13 is arranged in the inner tube 1, an inner cavity 13 is communicated with a liquid outlet hole 4, a plurality of inflation cavities 5 and a thread guide cavity 6 are arranged between an inner tube 1 and an outer tube 2, one end of the outer tube 2 far away from a soft head 3 is provided with a side connector 8 for inflation, the inflation cavities 5 and the side connector 8 are communicated through an annular connecting cavity 7, one end of the outer tube 2 close to the soft head 3 is provided with a balloon 12, the side wall of the inflation cavity 5 is provided with a through hole 9 communicated with the balloon 12, the balloon 12 is a double-layer balloon, the outer side of the balloon 12 is attached with a medicine coating, and the balloon 12 is in close contact with the nasal cavity, so that the function of the medicine can be better played. In addition, the guide wire cavity 6 is not communicated with the connecting cavity 7 to ensure the normal use of the saccule 12, and the side wall of the outer tube 2 is provided with a guide wire inlet 11 which passes through the side wall of the outer tube 2 and is communicated with the guide wire cavity 6. In order to improve the bacteriostatic action of the device, the inner surface of the inner tube 1 is coated with an antibacterial layer, and the outer surface of the outer tube 2 is also coated with an antibacterial layer.

In the embodiment, the thread guide cavity 6 and the inflation cavity 5 are both arranged between the outer tube 2 and the inner tube 1, and the thread guide inlet 11 connected with the thread guide cavity 6 is arranged on the side wall of the outer tube 2, so that the device can be used more conveniently on the premise of not influencing the use of the inflation cavity 5 and not obviously increasing the size of the outer tube 2; the balloon 12 of the embodiment adopts a double-layer structure, the compression resistance is better, the drug coating is attached to the outer side of the balloon 12, and the balloon 12 is in close contact with the nasal cavity, so that the drug function can be better played; in the embodiment, the inner surface of the inner tube 1 and the outer surface of the outer tube 2 are both provided with the antibacterial layers, so that bacteria and the like can be inhibited from entering the human body through the device in the process of contacting the device with the human body.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a sinus expansion device, a serial communication port, include the inner tube and locate the outer tube in the inner tube outside, the one end of inner tube be equipped with the soft head of inner tube body coupling, the other end of inner tube is equipped with the inlet that is used for injection liquid, soft overhead a plurality of liquid holes that are equipped with, the inner tube is equipped with the inner chamber, the inner chamber with go out liquid hole intercommunication, the inner tube with be equipped with a plurality of air inflation chamber and silk guide chamber between the outer tube, the outer tube is kept away from the one end of soft head is equipped with and is used for gas filled side interface, air inflation chamber with the side interface is linked together through annular connection chamber, be close to on the outer tube the one end of soft head is equipped with the sacculus, be equipped with on the lateral.

2. A sinus dilation device according to claim 1 wherein the balloon is a double balloon.

3. A sinus dilation device according to claim 1 wherein a drug coating is attached to the outside of the balloon.

4. A sinus dilation device according to claim 1 wherein the inner tube is coated on its inner surface with an anti-bacterial layer and the outer tube is coated on its outer surface with an anti-bacterial layer.

5. A sinus dilation device according to claim 1 wherein the number of inflatable chambers is 1-3.

6. A sinus dilation device according to claim 1, wherein the outer tube has a guidewire port on the side wall that passes through the side wall of the outer tube and communicates with the guidewire lumen.