CN209967346U

CN209967346U - Breathing loop pipe and breathing machine

Info

Publication number: CN209967346U
Application number: CN201920206530.XU
Authority: CN
Inventors: 孙一鸣
Original assignee: NINGBO HUAKUN MEDICAL EQUIPMENT CO Ltd
Current assignee: NINGBO HUAKUN MEDICAL EQUIPMENT CO Ltd
Priority date: 2019-02-18
Filing date: 2019-02-18
Publication date: 2020-01-21
Anticipated expiration: 2029-02-18

Abstract

The application discloses breathe return line pipe and breathing machine, including at least one body, the body middle part link up and form gas passage, and the body has first end and holds with the relative second of first end, and the opening that gas passage is located first end is first opening, and the opening that gas passage is located second end is the second opening, and the inner wall of body has the recess of sunken setting, the axial spiral extension of body is followed to the recess. When gas circulates in the breathing loop pipe, the gas in the groove can flow along the groove in a spiral mode, dead cavities cannot be generated, the airflow resistance is reduced, the breathing machine can meet the requirement of a patient on the gas by using smaller output pressure, and the burden on the patient is smaller.

Description

Breathing loop pipe and breathing machine

Technical Field

The application relates to the field of medical equipment, in particular to a breathing loop pipe and a breathing machine.

Background

Ventilators are generally used to deliver fresh gas to the respiratory tract of a patient and have a breathing circuit tube for the ventilation of the gas.

Among the prior art, the outer wall of breathing return line pipe has the bellying of round for the outer wall of breathing return line pipe is the corrugate, and the inner wall of breathing return line pipe has the recess that has the round, and every recess all corresponds the setting with a bellying, makes the cyclic annular cavity that the inner wall of breathing return line pipe formed a plurality of intervals and set up. When gas circulates in the breathing loop pipe, the gas in the annular cavity can not flow to form a dead cavity, so that the effective flow area of the breathing loop pipe is reduced, the airflow resistance is increased, when the breathing machine is used, the output pressure of the breathing machine is increased to meet the requirement of a patient on the gas, but the excessive airflow pressure easily causes the heavy burden on the patient, and under the extreme condition, the patient can be damaged even.

Disclosure of Invention

The application provides a breathing circuit pipe and a breathing machine, which are used for solving the problems that the inner wall of the existing breathing circuit pipe is provided with a dead cavity and the airflow resistance is large.

The application provides a breathing circuit pipe, including at least one body, the body middle part link up and forms gas passage, the body has first end and holds with the relative second of first end, the opening that gas passage is located first end is first opening, the opening that gas passage is located second end is the second opening, the inner wall of body has the recess of sunken setting, the axial spiral extension of body is followed to the recess.

As a further improvement of the breathing loop pipe, the outer wall of the pipe body is provided with a protruding part, the position of the protruding part corresponds to the position of the groove, and the protruding part spirally extends along the axial direction of the pipe body.

As a further improvement of the breathing loop pipe, the pipe wall of the pipe body is of a corrugated telescopic structure, and the telescopic structure can be extended outwards and folded inwards along the axial direction of the pipe body.

As a further improvement of the breathing circuit tube, the first end and the second end of the tube body are provided with installation parts with smooth tube walls for assembling with corresponding parts.

As a further improvement of the breathing loop pipe, the breathing mask assembly further comprises a breathing end connector assembly, and the breathing end connector assembly is connected to the first end of the pipe body and used for being assembled with a breathing mask.

As the breathing return line pipe's further improvement, the body is provided with two, breathe the end joint subassembly and include three way connection, three way connection is Y shape, one side of three way connection has two first joint, and the opposite side has a second and connects, two the first end and two first joint of body correspond and are connected.

As a further improvement of the breathing loop pipe, the breathing end joint assembly further comprises a conversion joint, one end of the conversion joint is connected with the second joint, and the other end of the conversion joint is used for being assembled with a breathing mask.

As a further improvement of the breathing loop pipe, the breathing loop pipe further comprises a mechanical end connector, wherein the mechanical end connector is connected to the second end of the pipe body and is used for being assembled with a breathing machine or an anesthesia machine.

As the breathing loop pipe's further improvement still includes the ponding cup, the ponding cup assembles in the middle part of body, the ponding cup has the holding cavity, hold cavity and the sealed intercommunication of gas passage to be used for collecting the dewfall in the gas passage.

The application provides a breathing machine, include above-mentioned any breathing circuit pipe, the one end of breathing circuit pipe is assembled in the organism.

The beneficial effect of this application:

the application provides a breathe return circuit pipe, including at least one body, the body middle part link up and form gas passage, and the body has first end and holds with the relative second of first end, and the opening that gas passage is located first end is first opening, and the opening that gas passage is located the second end is the second opening, and the inner wall of body has the recess of sunken setting, the axial spiral extension of body is followed to the recess. When gas circulates in the breathing loop pipe, the gas in the groove can flow along the groove in a spiral mode, dead cavities cannot be generated, the airflow resistance is reduced, the breathing machine can meet the requirement of a patient on the gas by using smaller output pressure, and the burden on the patient is smaller.

Drawings

Fig. 1 is a schematic structural view of a tube according to an embodiment of the present application;

FIG. 2 is a longitudinal cross-sectional view of FIG. 1 of the present application;

FIG. 3 is a schematic structural view of a tube according to another embodiment of the present disclosure;

FIG. 4 is a longitudinal cross-sectional view of FIG. 3 of the present application;

FIG. 5 is a schematic view of the tube body in a contracted state in the retractable structure according to an embodiment of the present disclosure;

FIG. 6 is a schematic view of a tube having a mounting portion according to an embodiment of the present application;

FIG. 7 is a schematic view of a breathing circuit tube according to an embodiment of the present application;

FIG. 8 is a schematic view of the structure of a breathing circuit tube according to another embodiment of the present application;

fig. 9 is a schematic structural view of a breathing circuit tube according to a third embodiment of the present application.

Reference numerals: 100. a pipe body; 110. a first end; 120. a second end; 130. a groove; 140. a boss portion; 150. a telescopic structure; 160. an installation part; 200. a three-way joint; 210. a first joint; 220. a second joint; 300. a crossover sub; 400. a mechanical end joint; 500. a water accumulation cup.

Detailed Description

The present application will now be described in further detail by way of the detailed description and with reference to the accompanying drawings, in which like elements in different embodiments are referred to by like reference numerals. In the following description, numerous details are set forth in order to provide a better understanding of the present application. However, those skilled in the art will readily recognize that some of the features may be omitted or replaced with other elements, materials, methods in different instances. In some instances, certain operations related to the present application have not been shown or described in detail in order to avoid obscuring the core of the present application from excessive description, and it is not necessary for those skilled in the art to describe these operations in detail, so that they may be fully understood from the description in the specification and the general knowledge in the art.

Furthermore, the features, operations, or characteristics described in the specification may be combined in any suitable manner to form various embodiments. Also, the various steps or actions in the method descriptions may be transposed or transposed in order, as will be apparent to one of ordinary skill in the art. Thus, the various sequences in the specification and drawings are for the purpose of describing certain embodiments only and are not intended to imply a required sequence unless otherwise indicated where such sequence must be followed.

The numbering of the components as such, e.g., "first", "second", etc., is used herein only to distinguish the objects as described, and does not have any sequential or technical meaning. The term "connected" and "coupled" when used in this application, unless otherwise indicated, includes both direct and indirect connections (couplings).

The first embodiment is as follows:

the present embodiments provide a breathing circuit tube.

Referring to fig. 1 and 2, the breathing circuit tube includes at least one tube 100, a gas passage is formed through the middle of the tube 100, the tube 100 has a first end 110 and a second end 120 opposite to the first end 110, an opening of the gas passage at the first end 110 is a first opening, an opening of the gas passage at the second end 120 is a second opening, a groove 130 is concavely disposed on an inner wall of the tube 100, and the groove 130 spirally extends along an axial direction of the tube 100.

When gas circulates in the breathing loop pipe, the gas in the groove 130 can flow spirally along the groove 130, so that dead space is avoided, airflow resistance is reduced, the breathing machine can meet the requirement of a patient on the gas by using smaller output pressure, and the burden on the patient is smaller.

Referring to fig. 1 and 2, in one embodiment, the outer wall of the tube 100 has a protrusion 140, the protrusion 140 is located corresponding to the groove 130, and the protrusion 140 spirally extends along the axial direction of the tube 100.

The appearance of the pipe body 100 is a corrugated pipe with the surface corrugation extending spirally, and the surface corrugation (i.e. the convex part 140) can play a role in anti-skidding and decoration.

Specifically, the protrusion 140 corresponds to the groove 130, which means that any point on the pipe wall has the protrusion 140 on the outer side if the groove 130 is formed on the inner side, and the groove 130 is formed on the inner side if the protrusion 140 is formed on the outer side.

In one embodiment, the tube 100 is made of plastic, and the groove 130 and the protrusion 140 can be integrally formed by pressing, heat molding, or the like. In other embodiments, the groove 130 and the protrusion 140 may be formed simultaneously or separately by using metal, rubber or other suitable materials.

The advantage of integral molding is that the groove 130 and the protrusion 140 can be formed simultaneously by one-time processing of the tube wall, the processing procedure is simple, and the correspondence between the groove 130 and the protrusion 140 is good.

Referring to fig. 3-5, in an embodiment, the wall of the tube 100 is a corrugated telescopic structure 150, and the telescopic structure 150 can extend outward and fold inward along the axial direction of the tube 100.

Referring to fig. 3, when the ventilator is used, if the distance from the ventilator to the patient is to be increased, the telescopic structure 150 may be stretched outwards along the axial direction thereof, so that the telescopic structure 150 is extended and the length of the tube 100 is extended, thereby enabling the ventilator to provide gas to the patient at a longer distance; referring to fig. 5, if the distance from the ventilator to the patient is to be reduced, the telescopic structure 150 may be pressed inward along the axial direction thereof, so that the telescopic structure 150 is folded and contracted to shorten the length of the tube 100, which not only reduces the space occupied by the tube 100, but also prevents the breathing loop tube from dragging the ground when the tube 100 is too long, thereby causing the outer wall of the tube 100 to be dirty.

Referring to fig. 6, in one embodiment, the first end 110 and the second end 120 of the tubular body 100 have smooth-walled mounting portions 160 for assembly with corresponding components.

The smooth wall facilitates the fitting of the mounting members so that the pipe body 100 can be more securely mounted to the respective members.

Specifically, the installation of the pipe body 100 and the corresponding components may be interference fit, adhesion, or other suitable means. The corresponding parts can be various pipeline joints or bodies of breathing machines and anesthesia machines.

Referring to fig. 7-9, in one embodiment, the breathing circuit tube further includes a breathing end connector assembly connected to the first end 110 of the tube body 100 for assembly with a breathing mask.

When using breathing the return circuit pipe, communicate body 100 and respirator through the respiratory end connector subassembly for the gas that the breathing machine carried can loop through body 100 and respiratory end connector subassembly and carry to respirator in, the patient passes through the respiratory mask breathing gas, realizes providing gas to the patient.

Referring to fig. 7-9, in one embodiment, the two tubes 100 are provided, the respiratory end connector assembly includes a three-way connector 200, the three-way connector 200 is Y-shaped, one side of the three-way connector 200 has two first connectors 210, the other side has a second connector 220, and the first ends 110 of the two tubes 100 are correspondingly connected to the two first connectors 210.

Two tubes 100 are provided, one being a gas delivery tube for delivering fresh gas to the patient and the other being an exhaust tube for exhausting gas exhaled by the patient. The first end of gas transmission body and exhaust body is connected in a first joint respectively, and when carrying out gas transmission during operation, the breathing machine carries fresh gas to the patient along gas transmission body, and when carrying out exhaust during operation, the gas of patient's exhalation is discharged to the breathing machine through exhaust duct and is discharged.

Specifically, referring to fig. 6, mounting portion 160 of tubular body 100 may be connected to first coupling 210 by interference fit or bonding.

In other embodiments, the breathing circuit tube may be provided with only one tube. The respirator delivers fresh air to the patient through the tube, and the air exhaled by the patient is directly exhausted through the breathing mask.

Referring to fig. 7-9, in one embodiment, the respiratory end connector assembly further includes an adapter 300, wherein one end of the adapter 300 is connected to the second connector 220, and the other end is used for assembling with a respiratory mask. The user can conveniently communicate the breathing mask with the three-way joint 200 through the adapter 300.

Specifically, the adapter 300 and the second adapter 220 can be detachably assembled, for example, detachably clamped, screwed, magnetically attracted, or other suitable methods. The adapter 300 may also be fixedly connected to the second connector 220.

Referring to fig. 7-9, in one embodiment, the breathing circuit tube further includes a mechanical end fitting 400, the mechanical end fitting 400 being connected to the second end 120 of the tube body 100 for assembly with a ventilator or anesthesia machine. The installation of the breathing circuit tube on a breathing machine or an anesthesia machine is facilitated for the user through the mechanical end connector 400.

Specifically, with reference to fig. 6, the mounting portion 160 of the tubular body 100 may be coupled to the mechanical end fitting 400 by interference fit or bonding. The mechanical end fitting 400 may be removably mounted to the ventilator or anesthesia machine, for example, by a removable snap fit, threaded connection, magnetic attachment, or other suitable means. The mechanical end fitting 400 may also be affixed to a ventilator or anesthesia machine.

Referring to fig. 9, in one embodiment, the breathing circuit pipe further includes a water collecting cup 500, the water collecting cup 500 is assembled in the middle of the pipe body 100, and the water collecting cup 500 has a receiving cavity which is in sealed communication with the gas passage for collecting dew condensation in the gas passage.

When using the breathing circuit pipe, can produce the dewfall phenomenon in the gas passage for form adnexed liquid on the body 100 inner wall, along with the increase of dewfall, can influence the gas transmission work of breathing circuit pipe, installed ponding cup 500 back, the dewfall on the body 100 inner wall can flow to holding and store in the cavity, makes the staff need not frequently to clear up the dewfall on the body 100 inner wall. Meanwhile, the groove 130 on the inner wall of the pipe body 100 is spirally extended, so that the dewed liquid can flow into the water accumulation cup 500 along the groove 130, and the water collection effect of the water accumulation cup 500 is improved.

The present embodiment further provides a ventilator, which includes the above breathing circuit tube, and one end of the breathing circuit tube is assembled to the body.

The foregoing is a more detailed description of the present application in connection with specific embodiments thereof, and it is not intended that the present application be limited to the specific embodiments thereof. It will be apparent to those skilled in the art from this disclosure that many more simple derivations or substitutions can be made without departing from the inventive concepts herein.

Claims

1. The utility model provides a breathe return circuit pipe, its characterized in that, includes at least one body, the body middle part link up and form gas passage, the body has first end and the second end relative with first end, the opening that gas passage is located first end is first opening, the opening that gas passage is located second end is the second opening, the inner wall of body has the recess of sunken setting, the axial spiral extension of body is followed to the recess.

2. The breathing circuit tube of claim 1 wherein the outer wall of the tube body has a raised portion corresponding in position to the groove, the raised portion extending helically in the axial direction of the tube body.

3. The breathing circuit tube of claim 1 wherein the tube wall of the tube body is a corrugated telescopic structure that can be extended outward and folded inward along the axial direction of the tube body.

4. The breathing circuit tube of any of claims 1-3 wherein the first and second ends of the tube body have smooth walled mountings for assembly with corresponding components.

5. The breathing circuit tube of any of claims 1-3 further comprising a breathing end connector assembly connected to the first end of the tube body for assembly with a respiratory mask.

6. The breathing circuit tube of claim 5 wherein there are two of the tubes, the breathing end connector assembly comprises a Y-shaped tee connector having two first connectors on one side and a second connector on the other side, the first ends of the two tubes being connected to the two first connectors.

7. The breathing circuit tube of claim 6 wherein the respiratory tip assembly further comprises an adapter having one end connected to the second connector and another end for fitting to a respiratory mask.

8. The breathing circuit tube of any of claims 1-3 further comprising a mechanical end fitting connected to the second end of the tubing body for assembly with a ventilator or anesthesia machine.

9. The breathing circuit tube of any one of claims 1-3 further comprising a water trap cup mounted in the middle of the tube body, the water trap cup having a receiving cavity in sealed communication with the gas passage for collecting condensation within the gas passage.

10. A ventilator comprising a body, further comprising a breathing circuit tube of any of claims 1-9, one end of the breathing circuit tube being mounted to the body.