CN217162805U

CN217162805U - Silica gel sacculus intubate

Info

Publication number: CN217162805U
Application number: CN202122335920.7U
Authority: CN
Inventors: 范飒
Original assignee: Zhejiang Tongpu Medical Technology Co ltd
Current assignee: Zhejiang Tongpu Medical Technology Co ltd
Priority date: 2021-09-26
Filing date: 2021-09-26
Publication date: 2022-08-12
Anticipated expiration: 2031-09-26

Abstract

The application discloses silica gel sacculus intubate, including ventilating the person in charge and cuff, the cuff cover is established on ventilating the person in charge, the person in charge of ventilating for the butyronitrile silicon rubber material is responsible for, the cuff is the cuff of butyronitrile silicon rubber material, and is provided with the parylene film on ventilating the pipe wall of being responsible for, is provided with the parylene film on the cell wall of cuff. The utility model discloses following beneficial effect has: the tracheal intubation complication is manufactured by using the nitrile-butadiene silicone rubber, and the ventilation main tube and the cuff which are sealed by utilizing the Parylene coating can stabilize the pressure of the respiratory tract of the tracheal intubation in a certain range for a long time after entering the organs of the human body, thereby greatly reducing the tracheal intubation complication caused by backflow aspiration, incapability of fixing the tracheal intubation, insufficient tidal volume and the like.

Description

Silica gel sacculus intubate

Technical Field

The utility model relates to the field of medical equipment, especially, relate to a silica gel sacculus intubate.

Background

The silica gel trachea cannula in the current market is generally made of a silica gel material. The silicone rubber polymer molecules are chain structures (structure shown in figure 1) formed by Si-O (silicon-oxygen) linkage, wherein R, R 'and R' are organic groups such as methyl, phenyl, vinyl, trifluoropropyl and the like.

The main component of the above structure is a linear polysiloxane. The SI-O bond on the main chain and easy internal rotation, the molecular chain is very soft and smooth, the approach of the high molecular chain segment is hindered by the symmetrical organic groups, the cohesive energy density is low, the structure is loose, the free volume of the high polymer is large, and a plurality of gaps are formed in an amorphous area, so that the air permeability is high.

In clinic, a doctor injects a certain amount of gas into the tracheal cannula to achieve the effects of fixing the catheter and ensuring the supply of tidal volume, and meanwhile, the oral and pharyngeal secretions or the content of a patient can be prevented from flowing back and being sucked by mistake. In order to prevent aspiration, the pressure applied to the trachea by the cuff should exceed the sum of the hydrostatic pressure generated by a liquid column above the cuff and the negative pressure generated during aspiration, wherein the clinically recommended optimal cuff pressure is 20-30 cmH ₂₀ However, due to the above-mentioned problem of the air permeability of the silicone rubber, the pressure provided by the insertion tube of the silicone balloon cannot be stabilized within this range for a long time, and further, the catheter cannot be fixed, the tidal volume is insufficient, and the catheter is sucked by mistake due to backflow, which is a life-threatening injury.

SUMMERY OF THE UTILITY MODEL

The utility model provides a to above-mentioned problem, a silica gel sacculus intubate is proposed.

The utility model discloses the technical scheme who takes as follows:

The utility model provides a silica gel sacculus intubate, is including ventilating the main pipe and the cover bag, the cover bag cover is established on ventilating the main pipe, ventilate the main pipe for the main pipe of ventilating of butyronitrile silicon rubber material, the cover bag is the cover bag of butyronitrile silicon rubber material, and is provided with the parylene film on ventilating the main pipe's the pipe wall, is provided with the parylene film on the cell wall of cover bag.

The nitrile rubber is a polymer, and specifically, butadiene and acrylonitrile are added into a silicone rubber raw material (liquid silicone rubber or solid silicone rubber) to be polymerized through emulsion (nitrile rubber). The chain structure formed by Si-O (silicon-oxygen) bonds of the silicone rubber is changed. Increase cohesive energy density and reduce free volume. Greatly reducing the gas permeability. Meanwhile, in the intubation tube, the Parylene films (Parylene films) are arranged on the main tube and the cuff to perform secondary blocking on gas, so that the air permeability of the cuff and the main tube is relatively low.

In conclusion, the intubation tube is manufactured by using the nitrile silicon rubber, and the main ventilation tube and the cuff which are sealed by utilizing the Parylene coating can stabilize the pressure of the respiratory tract of the human trachea within a certain range for a long time after entering the human organ. The complication of the tracheal intubation caused by backflow aspiration, incapability of fixing the tracheal intubation, insufficient tidal volume and the like is greatly reduced.

The Parylene has the characteristics of high inertness and high purity, and has very low dielectric constant and dielectric loss, and the cuff and the main ventilation pipe can be effectively sealed due to the high purity of the coating, low water vapor permeability and no ion pollution.

Optionally, the ventilation pipe further comprises a spring, the spring is arranged in the ventilation main pipe, and the spring is made of a non-metal material.

When the spring is made of non-metal materials, the intubation tube can be suitable for nuclear magnetic resonance detection.

Optionally, the inner side surface of the spring is a plane, the outer side surface of the spring is a plane, and the cut-off section of the spring is in a waist circle shape.

Through the spring that adopts non-metallic material, and the spring medial surface is the plane, and the lateral surface of spring is the plane, and the cutting cross-section of spring is waist circle form, so do not have the edges and corners on the spring, the spring is placed in the main pipe of ventilating afterwards, the spring can be placed in the main pipe of ventilating steadily, reduce the spring and ventilate and be responsible for the relative slip between the person in charge, reduce the wearing and tearing between the two, and do not have the edges and corners on the spring, applicable in the nuclear magnetic resonance inspection, and can not puncture the main pipe of ventilating during the use, factor of safety is higher.

Optionally, the ventilation catheter further comprises a guide wire, and the guide wire is arranged on the ventilation main pipe.

Optionally, the guide wire further comprises a fixing cap, and the guide wire is fixed on the main ventilation pipe through the fixing cap.

Optionally, the ventilation device further comprises an external pipe and a joint, the external pipe is arranged at one end of the ventilation main pipe, the joint is arranged on the external pipe, and the fixing cap is clamped on the joint.

Optionally, the ventilation device further comprises an inflation tube, the inflation tube is connected with the ventilation main tube, and an indication air bag and a check valve are arranged on the inflation tube.

The check valve is used for ensuring that gas flows into the inflation tube in a one-way mode through the check valve and then enters the ventilation main tube from the inflation tube, and the indicating air bag is used for displaying air pressure in the inflation main tube. The indication air bag displays the effect of the air pressure in the air inflation main pipe, so that the air inflation main pipe is not needed to be excessively inflated or timely supplied with air, further mucosal edema, bleeding, ulcer formation and the like are reduced, and serious patients can have life-threatening complications such as tracheal stenosis, tracheal rupture or tracheoesophageal fistula and the like.

Optionally, the ventilation device further comprises a locking pipe and a capillary pipe, and the inflation pipe is connected with the ventilation main pipe through the locking pipe and the capillary pipe.

The locking pipe fixes the inflation pipe and the main ventilation pipe together from the outer side, and the capillary is used in the main ventilation pipe and communicated with the main ventilation pipe and the inflation pipe.

Optionally, the main ventilation pipe is connected with an automatic air supply device.

The automatic air supplement device can supplement pressure to the cannula in the operation process, and is suitable for various use scenes. The air storage bag in the automatic air supply device is made of low-permeability polyvinyl chloride plastics, and can store air for a long time. The device is provided with a gas control switch, namely an inflation valve, and the switch can be pressed down to rapidly supplement pressure to the cuff in the operation process.

Optionally, the automatic air supply device comprises an inflation valve, an air storage bag and a one-way valve, the air storage bag is connected with the inflation valve and the one-way valve respectively, the inflation valve is connected with the main ventilation pipe, and a protective shell is arranged on the air storage bag.

The utility model has the advantages that: the tracheal intubation complication is manufactured by using the nitrile-butadiene silicone rubber, and the ventilation main tube and the cuff which are sealed by utilizing the Parylene coating can stabilize the pressure of the respiratory tract of the tracheal intubation in a certain range for a long time after entering the organs of the human body, thereby greatly reducing the tracheal intubation complication caused by backflow aspiration, incapability of fixing the tracheal intubation, insufficient tidal volume and the like.

Description of the drawings:

FIG. 1 is a schematic diagram of a silica gel balloon cannula;

FIG. 2 is a schematic diagram of a silica gel balloon cannula;

FIG. 3 is a schematic view of the automatic air supply device;

fig. 4 is a schematic diagram of the structure of the spring.

The figures are numbered: 1. a cuff; 2. a main ventilation pipe; 3. locking the tube; 4. an external connection pipe; 5. a joint; 6. a spring; 601. an inner side surface; 602. an outer side surface; 7. an inflation tube; 8. an indicating air bag; 9. a fixing cap; 10. a guide wire; 11. a non-return valve; 12. a capillary tube; 13. an automatic air supply device; 1301. an inflation valve; 1302. a gas storage bag; 1303. a one-way valve; 1304. a protective shell.

The specific implementation mode is as follows:

the present invention will be described in detail with reference to the accompanying drawings.

As shown in the attached figures 2 and 3, the silica gel balloon intubation comprises a main ventilation pipe 2 and a cuff 1, wherein the cuff 1 is sleeved on the main ventilation pipe 2, the main ventilation pipe 2 is made of nitrile silicon rubber, the cuff 1 is made of nitrile silicon rubber, a parylene film is arranged on the pipe wall of the main ventilation pipe 2, and a parylene film is arranged on the bag wall of the cuff 1.

The nitrile rubber is a polymer, and specifically, butadiene and acrylonitrile are added into a silicone rubber raw material (liquid silicone rubber or solid silicone rubber) to be polymerized through emulsion (nitrile rubber). The chain structure formed by Si-O (silicon-oxygen) bonds of the silicon rubber is changed. Increasing cohesive energy density and reducing free volume. Greatly reducing the gas permeability. Meanwhile, in the intubation tube, the Parylene films (Parylene films) are arranged on the main tube 2 and the cuff 1 for secondary gas blocking, so that the air permeability of the cuff 1 and the main tube 2 is relatively low.

In conclusion, the intubation tube is manufactured by using the butyronitrile silicon rubber, and the main ventilation tube 2 and the cuff 1 which are sealed by utilizing the Parylene coating can stabilize the pressure of the airway of the human body within a certain range for a long time after entering the human organ. The complication of the tracheal intubation caused by backflow aspiration, incapability of fixing the tracheal intubation, insufficient tidal volume and the like is greatly reduced.

The Parylene has the characteristics of high inertness and high purity, and has low dielectric constant and dielectric loss, and the cuff 1 and the main ventilation pipe 2 can be effectively sealed due to high coating purity, low water vapor permeability and no ion pollution.

As shown in fig. 2 and 3, the ventilation device further comprises a spring 6, wherein the spring 6 is arranged in the ventilation main pipe 2, and the spring 6 is made of a non-metal material.

When the spring 6 is made of non-metal materials, the intubation tube can be suitable for nuclear magnetic resonance detection.

As shown in fig. 2 and 3, the inner surface 601 of the spring 6 is a flat surface, the outer surface 602 of the spring 6 is a flat surface, and the cut section of the spring 6 is a waist circle.

Through the spring 6 that adopts non-metallic material, and spring 6 medial surface 601 is the plane, spring 6's lateral surface 602 is the plane, and spring 6's cutting cross-section is waist circle form, so there is not the edges and corners on spring 6, spring 6 places and is responsible for 2 interior backs in ventilating, spring 6 can place in being responsible for 2 steadily ventilating, reduce spring 6 and ventilate and be responsible for the relative slip between 2, reduce the wearing and tearing between the two, and there is not edges and corners on spring 6, it is applicable in the nuclear magnetic resonance inspection, and can not puncture the person in charge of ventilating 2 during the use, safety factor is higher.

As shown in fig. 2 and 3, the ventilation device further comprises a guide wire 10, and the guide wire 10 is arranged on the ventilation main pipe 2.

As shown in fig. 2 and fig. 3, the device further comprises a fixing cap 9, and the guide wire 10 is fixed on the main ventilation pipe 2 through the fixing cap 9.

As shown in fig. 2 and fig. 3, the ventilation main pipe comprises an external connection pipe 4 and a joint 5, wherein the external connection pipe 4 is arranged at one end of the ventilation main pipe 2, the joint 5 is arranged on the external connection pipe 4, and a fixing cap 9 is clamped on the joint 5.

As shown in fig. 2 and fig. 3, the air-breathing device further comprises an inflation tube 7, the inflation tube 7 is connected with the main ventilation tube 2, and the inflation tube 7 is provided with an indicating air bag 8 and a check valve 11.

The function of the check valve 11 is to ensure that the gas flows into the inflation tube 7 in one way through the check valve 11 and then enters the main ventilation tube 2 from the inflation tube 7, and the function of the indicating air bag 8 is to display the air pressure in the main ventilation tube. The indication air bag 8 displays the effect of the air pressure in the air inflation main pipe, so that the air inflation main pipe 2 is not needed to be excessively inflated or timely supplied with air, further mucosal edema, bleeding, ulcer formation and the like are reduced, and serious patients can have life-threatening complications such as tracheal stenosis, tracheal rupture or tracheoesophageal fistula and the like.

As shown in fig. 2 and fig. 3, the aeration pipe 7 is connected with the main aeration pipe 2 through the locking pipe 3 and the capillary 12.

Specifically, the capillary tube 12 is positioned in the main ventilation pipe 2, the locking pipe 3 is positioned outside the main ventilation pipe 2, the locking pipe 3 fixes the inflation pipe 7 and the main ventilation pipe 2 together from the outside, the capillary tube 12 is used in the main ventilation pipe 2, and the capillary tube 12 is communicated with the main ventilation pipe 2 and the inflation pipe 7.

As shown in fig. 2 and 3, the main ventilation pipe 2 is connected with an automatic air supply device 13.

The automatic air supplement unit 13 can supplement pressure to the cannula in the operation process, and is suitable for various use scenes. The automatic air supply device 13 and the air storage bag 1302 in the device are made of low-permeability polyvinyl chloride plastics, and can store air for a long time. The device is provided with a gas control switch, namely an inflation valve 1301, and the switch can be pressed down to rapidly supplement pressure to the cuff 1 in the operation process.

As shown in fig. 2 and fig. 3, the automatic air supply device 13 includes an inflation valve 1301, an air storage bag 1302 and a check valve 1303, the air storage bag 1302 is respectively connected to the inflation valve 1301 and the check valve 1303, the inflation valve 1301 is connected to the main ventilation pipe 2, and a protective casing 1304 is disposed on the air storage bag 1302.

The aforesaid only is the preferred embodiment of the utility model discloses a not consequently restrict promptly the utility model discloses a patent protection scope, all applications the utility model discloses the equivalent transform that the specification was done, direct or indirect application is in other relevant technical field, all including on the same reason the utility model discloses a protection scope.

Claims

1. The silica gel balloon intubation comprises a main ventilation tube and a cuff, wherein the cuff is sleeved on the main ventilation tube, and is characterized in that the main ventilation tube is made of nitrile-butadiene silicone rubber, the cuff is made of nitrile-butadiene silicone rubber, a parylene film is arranged on the tube wall of the main ventilation tube, and a parylene film is arranged on the wall of the cuff.

2. The cannula according to claim 1, further comprising a spring disposed in the main vent tube, wherein the spring is a spring made of a non-metallic material.

3. The cannula according to claim 2, wherein the inner side of the spring is a plane, the outer side of the spring is a plane, and the cut-off section of the spring is a waist circle.

4. The silicone balloon cannula of claim 1, further comprising a guidewire disposed on the vent main tube.

5. The cannula according to claim 4, further comprising a securing cap, wherein the guidewire is secured to the main vent tube by the securing cap.

6. The cannula according to claim 5, further comprising an external tube disposed at one end of the main vent tube and a connector disposed on the external tube, wherein the fixing cap is clipped on the connector.

7. The cannula according to claim 1, further comprising an inflation tube connected to the main ventilation tube, wherein the inflation tube is provided with an indicating balloon and a check valve.

8. The cannula according to claim 7, further comprising a locking tube and a capillary tube, wherein the inflation tube is connected to the main vent tube through the locking tube and the capillary tube.

9. The cannula according to claim 1, wherein the main vent tube is connected to an automatic air supply device.

10. The intubation tube according to claim 9, wherein the automatic air supply device comprises an air inflation valve, an air storage bag and a one-way valve, the air storage bag is connected with the air inflation valve and the one-way valve respectively, the air inflation valve is connected with the main ventilation tube, and a protective shell is disposed on the air storage bag.