CN113769216A

CN113769216A - Heating type nasal oxygen tube, humidifying device and breathing support equipment

Info

Publication number: CN113769216A
Application number: CN202111072621.7A
Authority: CN
Inventors: 陈文�; 戴征
Original assignee: Hunan Micomme Zhongjin Medical Technology Development Co Ltd
Current assignee: Hunan Micomme Zhongjin Medical Technology Development Co Ltd
Priority date: 2021-09-14
Filing date: 2021-09-14
Publication date: 2021-12-10

Abstract

The invention discloses a heating type nasal oxygen tube, a humidifying device and a respiratory support device, wherein the nasal oxygen tube comprises a connector assembly connected with an upper cover of a humidifying bottle, one end of the connector assembly, which is far away from the humidifying bottle, is connected with an air duct, the rear end of the air duct is connected with two ends of a nasal plug tube through a three-way connector, one side of the nasal plug tube, which is far away from the three-way connector, is provided with a nasal obstruction port, a heating wire is arranged inside a pipeline of the nasal oxygen tube, the heating wire sequentially penetrates through the air duct, the nasal plug tube and the air duct, and two ends of the heating wire penetrate through the connector assembly and are used for being connected with a connecting terminal of the upper cover of the humidifying bottle. The heating type nasal oxygen tube is provided with the heating wires at the air guide part and the nasal obstruction part of the nasal oxygen tube, and a straight-through type heating mode is adopted, so that the air in the nasal oxygen tube is uniformly heated, and the generation of condensed water is inhibited to the maximum extent.

Description

Heating type nasal oxygen tube, humidifying device and breathing support equipment

Technical Field

The invention belongs to the technical field of medical instruments, and particularly relates to a heating type nasal oxygen tube, a humidifying device and a respiratory support device.

Background

The humidifying device of the respiratory support equipment (such as a respirator) is used for providing humidified gas for a user, the humidified gas provides pure oxygen for a patient through a nasal oxygen tube, and a large amount of condensed water can be generated in the nasal oxygen tube under the condition of humidifying the oxygen. The traditional nasal oxygen tube has no condensed water inhibition effect, and due to the small tube diameter, the damp and hot air can generate condensed water in a short time and flow into nostrils under the action of gas pressure. The mode that current pager pipeline restraines comdenstion water is at solenoid inner wall or outer wall spiral groove winding heater strip, promotes the temperature of breathing the solenoid inner wall and restraines the comdenstion water, but breathing the pipeline diameter great, intraductal gaseous heating is not enough even, still has cold and hot gas intersection face in the intraductal, produces the comdenstion water to and there is the existence of pitch between the breathing pipeline, and the part between the pitch does not have the heater strip, can produce the comdenstion water.

Chinese utility model patent CN212854304U discloses a disposable humidifying nasal oxygen tube, including humidifying bottle, oxygen pipe, the top of humidifying bottle is screwed with the bottle lid, the bottle lid is connected with intake pipe and air outlet nozzle, the humidifying bottle is filled with sterile water, the bottom outside cover of humidifying bottle is equipped with the electric heating cover, the electric heating cover is movably connected with the bottom of humidifying bottle, the electric heating cover also has a temperature control system for controlling the heating temperature of sterile water in the humidifying bottle between 30-40 ℃, the air outlet nozzle of humidifying bottle is connected with the water collecting pipe, the other end of water collecting pipe is connected with oxygen pipe; overcome prior art's not enough, set up the heating device of circumscribed and can utilize repeatedly, can not increase the use cost of disposable humidifying nose oxygen pipe, design the collector pipe simultaneously and collect the steam that carries in to oxygen, avoid arousing patient's discomfort. The contrast file is pressed in and is provided with the electric heating sleeve outside the humidification bottle, the function of the contrast file can be repeatedly utilized, the use cost of the disposable humidification nasal oxygen tube cannot be increased, and the problem of condensed water in a breathing pipeline cannot be solved.

Disclosure of Invention

In order to overcome the problems in the prior art, the application provides a heating type nasal oxygen tube, a humidifying device and a respiratory support device, wherein heating wires are arranged at the air guide part and the nasal obstruction part of the nasal oxygen tube, and a straight-through heating mode is adopted, so that the air in the nasal oxygen tube is uniformly heated, and the generation of condensed water is inhibited to the maximum extent.

In order to achieve the purpose, the invention is realized by the following technical scheme:

the invention provides a heating type nasal oxygen tube, which comprises a connector assembly connected with an upper cover of a humidification bottle, wherein one end of the connector assembly, which is far away from the humidification bottle, is connected with an air duct, the rear end of the air duct is connected with two ends of a nasal plug tube through a three-way connector, one side of the nasal plug tube, which is far away from the three-way connector, is provided with a nasal obstruction port, a heating wire is arranged inside a nasal oxygen tube pipeline, the heating wire sequentially penetrates through the air duct, the nasal plug tube and the air duct, and two ends of the heating wire penetrate through the connector assembly and are used for being connected with a connecting terminal of the upper cover of the humidification bottle.

Set gradually the coupling assembling, the air duct, three way connection and nasal obstruction pipe, wherein the both ends of nasal obstruction pipe link to each other with three way connection respectively, make nasal oxygen pipe constitute a return circuit, at the inside heater strip that sets up of nasal oxygen pipe, wherein heater strip one end is passed air duct and nasal obstruction pipe, wearing out from the air duct, then the both ends of heater strip pass the coupling assembling, set up the heater strip to inside and walk the line, whole return circuit all sets up at air duct and nasal obstruction intraduct, the heater strip extends to nasal obstruction department, furthest restraines the production of comdenstion water.

As an optional implementation manner, in the heating type nasal oxygen tube provided by the present invention, the connector assembly includes a connecting portion and a fixing portion connected to the upper cover of the humidification bottle, the connecting portion is provided with a through hole, the fixing portion is provided with a terminal, and the heating wire is connected to the terminal after passing through the through hole.

The fixed part is provided with a terminal for fixing the two ends of the heating wire on the terminal, and the terminal is connected with the connecting terminal of the upper cover of the humidification bottle to realize the connection of the circuit.

As an optional implementation manner, in the heating type nasal oxygen tube provided by the present invention, the three-way joint is a Y-shaped structure, the three-way joint includes a main path and two branches, the main path is connected to the rear end of the airway tube, and the two branches are respectively connected to two ends of the nasal obstruction tube. The three-way structure is arranged to divide the air duct into two paths, so that the humidified oxygen can uniformly enter the human body when in use.

As an optional implementation manner, in the heating type nasal oxygen tube provided by the present invention, a sealant is disposed on the through hole, and the heating wire passes through the through hole and is then fixed by the sealant. The sealant is used for completely plugging the through holes, so that air leakage can be prevented, and the effect of fixing the heating wire can be achieved.

As an alternative embodiment, in the heating type nasal oxygen tube provided by the present invention, a connector upper shell is further provided on the connector assembly, and the connector upper shell wraps the through hole and the terminal. The upper shell of the connector is arranged to cover the through hole and the terminal part for fixing the heating wire, so that the electric contact can be avoided when the connector works, or the softer heating wire can be prevented from being damaged manually.

As an alternative embodiment, in the heating type nasal oxygen tube provided by the present invention, the inner diameter of the nasal oxygen tube is less than 10 mm. The inner diameter of the nasal oxygen tube is less than 10mm, and even if the heating wire is tightly attached to the inner walls of the air duct and the nasal obstruction tube, the heat radiation generated by the heating wire can heat the inner walls around the air duct and the nasal obstruction tube, so that the temperature of the inner walls of the tubes is kept uniform.

As an optional embodiment, in the heating type nasal oxygen tube provided by the invention, the diameter of the heating wire is 1-1.5 mm.

As an alternative embodiment, in the heating nasal oxygen tube provided by the present invention, the nasal obstruction port and the nasal obstruction tube are integrally formed.

The invention provides a humidifying device, which comprises a humidifying bottle, an upper cover of the humidifying bottle and the heating type nasal oxygen tube, wherein the upper cover of the humidifying bottle is provided with a gas output interface which is used for being connected with a nasal oxygen tube joint assembly, the upper cover of the humidifying bottle is provided with a connecting terminal, and the connecting terminal is used for being connected with a terminal on a fixing part.

A third aspect of the invention provides a respiratory support apparatus comprising a heated nasal oxygen tube as described above.

A fourth aspect of the invention provides a respiratory support apparatus comprising a humidification device as described above.

The invention has the following beneficial effects:

(1) according to the heating type nasal oxygen tube disclosed by the invention, the air guide tube and the nasal obstruction tube are arranged, the two ends of the nasal obstruction tube are connected with the air guide tube through the three-way joint, when the heating wires are arranged in the air guide tube and the nasal obstruction tube, a straight-through heating mode is adopted, so that gas in the nasal oxygen tube is uniformly heated, the generation of condensed water is inhibited to the maximum extent, and in addition, the heating wires extend to the nasal obstruction part all the time, so that the effect of inhibiting the condensed water is better.

(2) The heating type nasal oxygen tube disclosed by the invention is not a spiral tube, the heating wire does not need to be wound spirally, the whole structure is very simple, and the straight-through type heating wire is filled to enable the assembly to be simpler. The heating is an internal wiring type, the whole loop is arranged inside the hose, an external loop is not required to be arranged, and the structure is more compact.

(3) The heating type nasal oxygen tube disclosed by the invention is low in cost, the path of the heating wire is completely arranged in the hose, the current can be automatically switched on to start working only by inserting the joint, and the heating power supply unit does not need to be additionally and manually connected outside. The oxygen hose has small pipe diameter, and the heat radiation of the straight-through heating wire can reach the inner side of the whole software, so that the nonuniformity of the temperature in the hose is reduced to the maximum limit.

Drawings

FIG. 1 is a schematic sectional view of the nasal oxygen cannula of the present invention after being connected with the upper cover of the humidification bottle;

FIG. 2 is a schematic structural view of a joint assembly of a nasal oxygen cannula and an upper cover of a humidification bottle in the invention;

FIG. 3 is an enlarged view of part A of FIG. 1;

FIG. 4 is an enlarged view of the portion B of FIG. 1;

FIG. 5 is an enlarged view of the portion C of FIG. 1;

FIG. 6 is an enlarged view of the portion D in FIG. 1;

FIG. 7 is a schematic view of a humidifying device;

reference numerals

1. A joint assembly; 2. an air duct; 3. a three-way joint; 4. a nasal plug tube; 5. heating wires; 6. covering the humidifying bottle;

11. a connecting portion; 12. a fixed part; 13. through the hole; 14. a terminal; 15. a connector upper shell;

41. a nasal obstruction port;

61. a gas output interface; 62. and a connection terminal.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the description herein, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Example 1

A heating type nasal oxygen tube is shown in figures 1-6 and comprises a joint component 1 connected with an upper cover 6 of a humidification bottle, one end, far away from the humidification bottle, of the joint component 1 is connected with an air duct 2, the rear end of the air duct 2 is connected with the two ends of a nasal plug tube 4 through a three-way joint 3, one side, far away from the three-way joint 3, of the nasal plug tube 4 is provided with a nasal obstruction port 41, a heating wire 5 is arranged inside a pipeline of the nasal oxygen tube 4, the heating wire 5 sequentially penetrates through the air duct 2, the nasal plug tube 4 and the air duct 2, and the two ends of the heating wire 5 penetrate through the joint component 1 and are used for being connected with a connecting terminal of the upper cover of the humidification bottle.

In the specific implementation process, the nasal oxygen tube is including the coupling subassembly 1 that sets gradually, air duct 2, three way connection 3 and nasal obstruction pipe 4, nasal obstruction pipe 4 is a pipeline, both ends link to each other with three way connection 3 respectively, make nasal oxygen tube constitute a return circuit, set up a heater strip 5 inside nasal oxygen tube, wherein heater strip 5 one end is passed air duct 1 and nasal obstruction pipe 4, wearing out from air duct 1, coupling subassembly 1 is passed at the both ends of heater strip 5, set up heater strip 5 to inside the line of walking, whole return circuit all sets up inside air duct 2 and nasal obstruction pipe 4, make air duct 2 and nasal obstruction pipe 4 homoenergetic heated and keep warm, heater strip 5 extends to nasal obstruction mouth 41 department simultaneously, furthest restraines the production of comdenstion water.

As a further improved embodiment, the joint component 1 comprises a connecting part 11 and a fixing part 12 connected with the upper cover of the humidification bottle, wherein the connecting part 11 is provided with a through hole 13, the fixing part 12 is provided with a terminal 14, and the heating wire 5 is connected with the terminal 14 after passing through the through hole 13.

In the specific implementation process, the joint component 1 comprises a connecting part 11 connected with the air duct 2 and a fixing part 12 connected with the upper cover of the humidification bottle. The connecting part 11 is provided with a through hole 13, two heating wires 5 extending out of the air duct 2 pass through the through hole 13, the two ends of the heating wires 5 have opposite polarities, and are driven by direct current to heat, so that the two ends of the heating wires 5 are respectively welded with the terminals 14 on the fixing part 12, and the assembly and the fixation of the heating wires are realized. In this embodiment, as shown in fig. 2, the connecting portion 11 and the fixing portion 12 are both tubular structures, the connecting portion 11 is communicated with the fixing portion 12, two copper terminals are installed on the fixing portion 12, then two ends of the heating wire 5 are welded on the copper terminals, when in use, the fixing portion 12 is sleeved on the humidifying bottle upper cover, so that the connecting portion 11 is connected with the gas output interface 61 on the humidifying bottle upper cover 6, the terminals on the fixing portion 12 are connected with the connecting terminals 62 on the humidifying bottle upper cover 6, and the two connecting terminals are respectively connected with two polarities of direct current, which are positive and negative.

As a further improved embodiment, a sealing compound is provided on the through hole 13, and the heating wire 5 is fixed by the sealing compound after passing through the through hole 13.

In this embodiment, the through hole 13 is completely sealed by the sealant, which can prevent air leakage and also can fix the heating wire.

As a further improved embodiment, the terminal assembly 1 is further provided with a terminal upper case 15, wherein the terminal upper case 15 is wrapped around the through hole 13 and the terminal 14.

In this embodiment, for the sake of safety, a joint upper shell 15 is provided on the joint assembly 1, as shown in fig. 3, the joint upper shell 15 covers the through hole 13 and the terminal 14 on the fixing portion 12, i.e. the exposed heating component on the whole joint assembly is covered, so as to avoid the contact with the electric contact point during operation or the damage of the flexible heating wire by human.

As a further improved embodiment, the three-way joint 3 is a Y-shaped structure, wherein the three-way joint 3 comprises a main path and two branches, the main path is connected with the rear end of the air duct 2, and the two branches are respectively connected with the two ends of the nasal obstruction tube 4.

In the specific implementation process, the air duct 2 and the nasal obstruction tube 4 are connected through the three-way joint 3, the three-way joint 3 is arranged to divide the air duct into two paths, and humidified oxygen can uniformly enter the human body when the nasal obstruction tube is used. As shown in fig. 5, the three-way joint 3 in this embodiment is a Y-shaped structure, the main path of which is connected to the air duct 2, and the two branches are connected to the two ends of the nasal obstruction tube 4, and the oxygen enters from the air duct 2 and then is divided into two branches by the three-way joint 3 to enter the nasal obstruction tube 4. The heater strip 5 penetrates from air duct 2, after passing through three way connection 3's upside branch and downside branch in proper order, wears out from air duct 2, and the heater strip 5 setting inside air duct 2 is shown as figure 4, and two heater strips 5 of the illustration are located the inside central point of air duct 2, and under actual conditions, heater strip 5 can not float completely in the centre of air duct 2, because the relation of pulling each other between gravity and the heater strip is adjacent, heater strip 5 must be hugging closely the inner wall of air duct 2.

As a further improved embodiment, the inner diameter of the nasal oxygen tube 4 is less than 10 mm.

As a further improved embodiment, the diameter of the heating wire 5 is 1 to 1.5 mm.

In this embodiment, the diameter of the heating wire 5 is 1-1.5mm, and the inner diameter of the nasal oxygen tube 4 is less than 10mm, so that even if the heating wire 5 is tightly attached to the inner walls of the airway tube 2 and the nasal obstruction tube 4, the heat radiation generated by the heating wire 5 can heat the inner walls of the airway tube 2 and the nasal obstruction tube 4, so that the temperature of the inner walls of the tubes can be kept uniform.

As a further improved embodiment, the nasal prong mouth 41 is integrally formed with the nasal prong 4.

In this embodiment, the nasal obstruction ports 41 and the nasal obstruction tubes 4 are integrally formed, two nasal obstruction ports 41 are disposed on the nasal obstruction tubes 4 and are respectively connected with the nostrils of a person, and oxygen enters the human body through the two nasal obstruction ports 41, as shown in fig. 6.

During manufacturing, one end of the heating wire 5 is firstly connected to the inner side of the joint component 1 through the through hole, then is led out from the upper part of the joint component 1, then penetrates into the air duct 2, is led out from the other end of the air duct 2, penetrates through a branch of the three-way joint 3, penetrates into the nasal obstruction tube 4, and then is led out from the other end of the nasal obstruction tube 4. The heating wire 5 is led out from the nasal obstruction pipe 4, and then is led out from the other branch of the three-way joint 3, and then is led out, and finally is returned to the through hole 13, and each joint is connected respectively, including the connection of the three-way joint 3 with the air duct 2 and the nasal obstruction pipe 4, the connection of the first-level air duct 2 and the joint component 1, after the length of the heating wire 5 is adjusted, the through hole 13 is fixed by sealant, then the heating wire 5 is cut to a proper length, the two ends of the heating wire 5 are welded with copper terminals arranged on the joint component 1 at the fixing part 12, and then the assembly and fixation of the heating wire 5 can be completed.

Example 2

A humidification device, as shown in fig. 7, comprises a humidification bottle, an upper cover 6 of the humidification bottle and the heating type nasal oxygen tube, wherein the upper cover 6 of the humidification bottle is provided with a gas output interface 61, the gas output interface 61 is used for connecting with a nasal oxygen tube connector assembly 1, the upper cover 6 of the humidification bottle is provided with a connecting terminal 62, and the connecting terminal 62 is used for connecting with a terminal 14 on a fixing part 12.

Example 3

A respiratory support apparatus comprising the heated nasal oxygen tube described above.

Example 4

A respiratory support apparatus comprising the humidification device described above.

The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and is not intended to limit the practice of the invention to these embodiments. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.

Claims

1. A heating type nasal oxygen tube is characterized by comprising a connector assembly connected with an upper cover of a humidification bottle, wherein one end, far away from the humidification bottle, of the connector assembly is connected with an air guide tube, the rear end of the air guide tube is connected with the two ends of a nasal plug tube through a three-way connector, one side, far away from the three-way connector, of the nasal plug tube is provided with a nasal obstruction port, a heating wire is arranged inside a nasal oxygen tube pipeline and sequentially penetrates through the air guide tube, the nasal plug tube and the air guide tube, and the two ends of the heating wire penetrate through the connector assembly and are connected with a connecting terminal of the upper cover of the humidification bottle; the inner diameter of the nasal oxygen tube is less than 10mm, and the diameter of the heating wire is 1-1.5 mm.

2. The heating type nasal oxygen cannula as claimed in claim 1, wherein the connector assembly comprises a connecting part and a fixing part connected with the upper cover of the humidification bottle, the connecting part is provided with a through hole, the fixing part is provided with a terminal, and the heating wire is connected with the terminal after passing through the through hole.

3. A heated nasal oxygen tube according to claim 1 or 2, wherein the tee fitting is of a Y-shaped configuration and comprises a main path and two branches, the main path being connected to the rear end of the airway tube and the two branches being connected to the ends of the nasal plug tube respectively.

4. The heating type nasal oxygen cannula as claimed in claim 2, wherein the passing hole is provided with a sealant, and the heating wire is fixed by the sealant after passing through the passing hole.

5. A heated nasal oxygen cannula according to claim 2, wherein the connector assembly further comprises a connector upper shell, the connector upper shell surrounding the aperture and the terminal.

6. The humidifying device is characterized by comprising a humidifying bottle, an upper cover of the humidifying bottle and the heating type nasal oxygen tube as claimed in any one of claims 1 to 5, wherein a gas output interface is arranged on the upper cover of the humidifying bottle and used for being connected with a nasal oxygen tube joint assembly, and a connecting terminal is arranged on the upper cover of the humidifying bottle and used for being connected with a heating wire joint.

7. A respiratory support apparatus, wherein the respiratory support apparatus comprises a heated nasal oxygen tube according to any one of claims 1-5.

8. A respiratory support apparatus, wherein the respiratory support apparatus comprises a heated nasal oxygen tube according to any one of claims 1-5.