CN114848993A - Fluid Connections and Ventilators - Google Patents

Abstract

The utility model provides a fluid connecting device and aeration equipment, connect and connect the mount pad including giving vent to anger that can carry out the butt joint, the electric connector sets up on the joint of giving vent to anger, and should give vent to anger and construct the wire winding space on connecting, the heating circuit that draws forth from aeration equipment can be accomodate in the wire winding space and be connected with the electric connector, because the heating circuit who has constructed the fine solution heating pipeline in wire winding space on the joint of giving vent to anger is difficult to the problem of laying, make the electric connector can set up on the joint of giving vent to anger, when the rotation is given vent to anger and is connected, the heating circuit can not take place stranded conductor scheduling problem because of rotating.

Description

Fluid Connections and Ventilators

technical field

The invention relates to the field of medical instruments, in particular to a fluid connection device and ventilation equipment.

Background technique

Positive Airway Pressure (PAP) has been used as a means of treating the occurrence of obstructive sleep apnea. Connect the patient to positive air pressure provided by a nasal mask or nasal cannula. The pressure of the air supply for the patient to breathe is above atmospheric pressure. The study found that the application of positive airway pressure provides what can be described as a "pneumatic splint" mechanism that supports and stabilizes the upper airway, thereby eliminating the occurrence of upper airway obstruction. The application of positive airway pressure can effectively eliminate snoring and obstructive sleep apnea. The current sleep ventilator can be equipped with a heating pipeline, which is connected to the air outlet connector of the sleep ventilator and the breathing mask/nasal plug, which can heat the gas inhaled into the user's lungs, on the one hand to avoid condensation in the pipeline, and on the other hand In order to avoid discomfort caused by the user's inhalation of cold gas.

At present, the air outlet connector of the sleep ventilator is only used to connect the air circuit of the heating circuit, and the electrical connection of the heating circuit is generally set in other positions of the ventilator, so that the circuit connection and the line connection require two actions.

SUMMARY OF THE INVENTION

The main technical problem to be solved by the present invention is to provide a fluid connection device and a ventilation device, which can complete the pipeline connection and line connection with only one action, which is convenient for installation and use.

According to a first aspect, an embodiment provides a fluid connection device, including an air outlet joint and a joint mounting seat, the air outlet joint is butted with the joint mounting seat; the air outlet joint is provided with an electrical connector, and the air outlet joint is constructed Out of the winding space, the heating line drawn from the ventilation device is accommodated in the winding space and connected to the electrical connector.

Optionally, the air outlet joint includes an installation pipe, a butt pipe and a connecting pipe; the connecting pipe is used for connecting an external heating pipeline;

The butt pipe is nested inside the installation pipe, and one end of the butt pipe communicates with the connecting pipe, and the other end forms a butt with the assembly carrier to transport the fluid medium; the chamber between the installation pipe and the butt pipe The winding space is formed.

Optionally, the connection of the butt pipe and the connection pipe integrally forms a curved pipe, and the installation pipe correspondingly forms an arc section at the connection between the butt pipe and the connection pipe.

Optionally, the electrical connector is arranged at the outer bend of the arc-shaped section of the installation pipe.

Optionally, the joint mount includes:

A seat body, the mounting tube and the seat body are rotatably connected within a preset angle.

The air outlet pipe connected to the fluid source and the wire passage hole for drawing out the heating circuit, the butt pipe is sealed and butted with the air outlet pipe, and the wire passage hole corresponds to the winding space between the installation pipe and the butt pipe.

Optionally, the seat body is a slot seat, and the slot seat has a slot wall, and the slot wall is provided with an elastic buckle at a position close to the root;

The installation tube includes a snap-fit convex surface extending radially outward;

The installation pipe is inserted into the socket seat, and the buckle convex surface cooperates with the elastic buckle position, so that the air outlet joint is installed and fixed on the joint installation seat, and the installation pipe can rotate relative to the socket seat.

Optionally, the installation pipe is provided with a limiting convex surface extending radially outward, and the limiting convex surface cooperates with the casing of the ventilation device to fix the air outlet joint, so that when the heating pipeline is inserted and pulled out, the air outlet joint can be fixed. The buckled convex surface and the elastic buckle position are prevented from being released from the buckled state.

Optionally, the joint mounting seat further includes a ring body surrounding the air outlet pipe; the ring body is used for installing a sealing member, and the sealing member and the sealing member have a fixing ring sleeved on the ring body and a free end extending toward the inside of the ring;

The inner diameter of the butt pipe is larger than the outer diameter of the air outlet pipe and smaller than the inner diameter of the ring body. When a butt joint state is formed, the butt pipe is inserted between the ring body and the air outlet pipe, and the free end of the seal is inserted between the ring body and the air outlet pipe. A seal is formed against the outer wall of the butt tube.

Optionally, the installation tube further includes a radially extending protruding rib located on the outer wall of the installation tube, a limit rib is correspondingly provided on the wall of the slot, and the protruding rib is connected to the limit rib. The rib is matched to limit the rotation angle between the installation tube and the socket seat.

Optionally, the preset angle is within a range of 180° above the horizontal central axis.

Optionally, the end of the arc-shaped section of the installation pipe forms an end surface platform, the platform surface of the end surface platform is perpendicular to the axial direction of the connecting pipe, the end surface platform is provided with a concave position, and the electrical connector The installation is arranged in the recessed position.

According to a second aspect, an embodiment provides a ventilation device, comprising a gas source input device, a gas pressurizing device, a humidifying device, the fluid connection device according to any one of the above, and a heating pipeline, the The gas source input device, the gas pressure device, the humidification device, the fluid connection device and the heating pipeline are connected in sequence.

Optionally, the ventilation equipment includes a ventilator and a high-flow oxygen therapy device.

The fluid connection device and the ventilation device according to the above-mentioned embodiments include an air outlet connector and a connector mounting seat that can be butted, the electrical connector is arranged on the air outlet connector, and a winding space is constructed on the air outlet connector, and the air outlet is drawn from the air outlet device. The heating circuit can be stored in the winding space and connected with the electrical connector. Because the winding space is constructed on the air outlet joint, the problem that the heating circuit of the heating pipeline is difficult to lay out is solved, so that the electrical connector can be arranged in the On the outlet connector, when the outlet connector is turned, the heating line will no longer be twisted due to rotation.

Description of drawings

1 is a schematic diagram of a fluid connection device and a ventilation device provided in this embodiment;

Fig. 2 is the enlarged schematic diagram of area B in Fig. 1;

3 is a first schematic diagram of a gas outlet joint provided in this embodiment;

4 is a second schematic diagram of an air outlet joint provided in this embodiment;

5 is a third schematic diagram of an air outlet joint provided in this embodiment;

6 is a fourth schematic diagram of an air outlet joint provided in this embodiment;

7 is a fifth schematic diagram of an air outlet joint provided in this embodiment;

8 is a sixth schematic diagram of an air outlet joint provided in this embodiment;

9 is a seventh schematic diagram of an air outlet joint provided in this embodiment;

10 is an eighth schematic diagram of an air outlet joint provided in this embodiment;

11 is a structural diagram of a casing in a fluid connection device provided in this embodiment;

12 is a schematic diagram of a fluid connection device provided in this embodiment;

FIG. 13 is a schematic structural diagram of a joint mounting seat in a fluid connection device provided in this embodiment;

FIG. 14 is a schematic cross-sectional structural diagram of a joint mounting seat in a fluid connection device provided in this embodiment.

In the figure: 100-air outlet; 200-connector mount; 140-electrical connector; 112-installation pipe; 111-butt pipe; 120-connecting pipe; 150-winding space; 211-outlet pipe; 220-passing wire Hole; 201-slot seat; 213-elastic buckle position; 113-buckling convex surface; 114-limiting convex surface; 300-shell; 301-lip; 212-ring body; 400-seal part; 401-cover body; 130 - end face platform; 131 - concave position; 1122 - arc section; 1121 - straight section.

Detailed ways

The present invention will be further described in detail below through specific embodiments in conjunction with the accompanying drawings. Wherein similar elements in different embodiments have used associated similar element numbers. In the following embodiments, many details are described so that the present application can be better understood. However, those skilled in the art will readily recognize that some of the features may be omitted under different circumstances, or may be replaced by other elements, materials, and methods. In some cases, some operations related to the present application are not shown or described in the specification, in order to avoid the core part of the present application being overwhelmed by excessive descriptions, and for those skilled in the art, these are described in detail. The relevant operations are not necessary, and they can fully understand the relevant operations according to the descriptions in the specification and general technical knowledge in the field.

Additionally, the features, acts, or characteristics described in the specification may be combined in any suitable manner to form various embodiments. At the same time, the steps or actions in the method description can also be exchanged or adjusted in order in a manner obvious to those skilled in the art. Therefore, the various sequences in the specification and drawings are only for the purpose of clearly describing a certain embodiment and are not meant to be a necessary order unless otherwise stated, a certain order must be followed.

The serial numbers themselves, such as "first", "second", etc., for the components herein are only used to distinguish the described objects, and do not have any order or technical meaning. The "connection" and "connection" mentioned in this application, unless otherwise specified, include both direct and indirect connections (connections).

It can be known from the background art that the air outlet connector in the current ventilator is only used to connect the air circuit of the heating pipeline, and the electrical connectors of the heating pipeline are additionally arranged in other positions of the ventilator. The reason is: the heating circuit of the heating pipeline It is difficult to lay out, especially when the outlet joint needs to be rotated, the heating line is prone to twisting and other problems due to rotation.

The fluid connection device in the embodiment of the present invention includes an air outlet connector and a connector mount that can be butted, the electrical connector is arranged on the air outlet connector, and a winding space is constructed on the air outlet connector, and the heating The circuit can be stored in the winding space and connected with the electrical connector. Because the winding space is constructed on the air outlet joint, the problem that the heating circuit of the heating pipeline is difficult to lay out is well solved, so that the electrical connector can be arranged in the air outlet. On the connector, and when the outlet connector is turned, the heating line will no longer have problems such as twisting due to rotation.

This embodiment provides a fluid connection device, which can be used as a butt communication member of a fluid medium transmission pipeline, so as to facilitate the transmission of fluid medium (eg, from one device or system to another device or system), so that the fluid The medium is utilized; wherein, the fluid medium includes, but is not limited to, gaseous medium such as oxygen and anesthesia mixed gas, and liquid medium such as physiological saline and liquid medicine. It can be used in ventilation equipment, the ventilator is only a specific application object of the fluid connection device, and it can also be used in other devices or instruments that require gaseous or liquid fluid medium transmission, such as high-flow oxygen therapy devices, etc. .

Referring to FIGS. 1 to 14 , the fluid connection device in this embodiment includes an air outlet joint 100 and a joint mounting seat 200 , and the air outlet joint 100 is butted with the joint mounting seat 200 .

In this embodiment, the air outlet joint 100 includes an installation pipe 112 , a butt pipe 111 and a connection pipe 120 . The connecting pipe 120 can be connected to an external heating pipeline.

In this embodiment, the installation pipe 112 , the butt pipe 111 and the connection pipe 120 may be integrally formed.

The butt pipe 111 is nested inside the installation pipe 112, and one end of the butt pipe 111 is communicated with the connection pipe 120, and the other end of the butt pipe 111 can form a butt with the assembly carrier, so as to deliver the fluid medium at the end of the assembly carrier to the external heating pipe road. The assembly carrier in this embodiment can be formed on the ventilation device (such as a ventilator) in an integral molding manner, or can be assembled and fixed on the ventilation device in a detachable manner, mainly as a fixed carrier for the air outlet joint 100 or as a fixed carrier for the air outlet joint 100 at the same time. The air outlet connector 100 is used in communication with the pipeline of the air circuit system of the ventilator.

The cavity between the installation pipe 112 and the butt pipe 111 forms the winding space 150 , and an electrical connector is provided on the air outlet joint 100 . The electrical connector can be understood as a terminal through which the patient's circuit connection needs to be connected to the heating circuit. The heating circuit drawn from the ventilation device is accommodated in the winding space 150 and connected to the electrical connector, and the heating circuit is arranged in the winding space 150, so that the heating circuit is integrated on the air outlet joint 100, which is convenient for users to install Use, especially when the patient circuit uses an integrated heating circuit, only one action can complete the circuit connection and line connection.

In this embodiment, the connecting pipe 111 and the connecting pipe 120 are integrally connected to form a curved pipe. It can be understood that the axis of the connecting pipe 111 and the connecting pipe 120 form an obtuse angle, and the included angle between the axes can be between 110° and 175°, for example In this embodiment, the included angle between the axes of the connecting pipe 111 and the connecting pipe 120 to form a curved pipe as a whole is 135°.

The installation pipe 112 forms an arc section 1121 corresponding to the connection between the butt pipe 111 and the connection pipe 120, and the electrical connector is arranged at the outer bend of the arc section of the installation pipe 112, so that enough space is reserved for winding In the wire space 150 , the heating circuit drawn from the ventilation device can be better accommodated in the wire winding space 150 .

An end surface platform 130 is formed at the end of the arc-shaped section of the installation tube 112 , and the platform surface of the end surface platform 130 is perpendicular to the axial direction of the connecting tube 120 . The end surface platform 130 is provided with a recess 131 , and the electrical connector is installed on the in the recessed position 131 . The electrical connector is installed in the recessed position 131 to protect the electrical connector from bumping and to ensure the safety after wiring.

The installation pipe 112 includes a straight section 1121 away from the pipe body of the connecting pipe 120 and an arc-shaped section 1122 extending toward the connecting pipe 120 . The straight section 1121 is connected with the arc-shaped section 1122 . The end of the straight section 1121 The end portion of the arc-shaped segment 1122 is used to form a fixed connection with the assembly carrier, and the end portion of the arc-shaped segment 1122 forms the end surface platform 130 .

The end surface platform 130 is surrounded by the end surface platform 130 located at the inward bend of the air outlet joint 100 and the end surface platform 130 at the outer bend.

In this embodiment, the joint mounting base 200 includes: a base body, an air outlet pipe 211 connected to a fluid source, and a wire hole 220 for leading out a heating circuit. The mounting tube 112 is connected with the base within a predetermined angle to form a rotatable connection. The butt pipe 111 is sealed butt-jointed with the air outlet pipe 211 , and the wire passage hole 220 corresponds to the wire winding space 150 located between the installation pipe 112 and the butt pipe 111 . The purpose of sealed butt is electrical isolation. The air outlet pipe 211 and the butt pipe 111 are sealed and buttted for ventilation, and the isolated winding space 150 is used for wiring, so that there will be no oxygen-rich environment in the winding space 150, and no heating circuit will be generated. Electric sparks to ensure the safety of ventilation equipment. In addition, since the wire-passing hole 220 corresponds to the winding space 150 located between the installation tube 112 and the butt tube 111, the heating circuit has a rotation margin, and the heating circuit can also be wound along the butt tube 111 to avoid twisting, so that the heating circuit can be rotated during rotation. Problems such as twisted wires will not occur when the air outlet joint 100 is used.

The air outlet pipe 211 in this embodiment is an L-shaped air outlet pipe 211 , and the L-shaped air outlet pipe 211 can be connected to the base 302 by integral molding.

In this embodiment, the base is a slot base 201 , and the slot base 201 has a slot wall, and the slot wall is provided with an elastic buckle 213 near the root. The mounting tube 112 includes a snap-fit convex surface 113 extending radially outward. The mounting tube 112 is inserted into the socket seat 201 , and the buckle convex surface 113 cooperates with the elastic locking position 213 , so that the air outlet connector 100 is installed and fixed on the connector mounting seat 200 , and the mounting tube 112 can be opposite to the socket seat 201 turn.

The installation pipe 112 is also provided with a limiting convex surface 114 extending radially outward. The limiting convex surface 114 cooperates with the housing 300 of the ventilation device to fix the air outlet connector 100, so that when the heating pipe is inserted and pulled out, the air outlet joint 100 is fixed. The buckled convex surface 113 and the elastic buckle position 213 are released from the buckled state.

In this embodiment, the casing 300 of the ventilation device has a lip 301 corresponding to the limiting convex surface 114 for limiting the limiting convex surface 114 .

In this embodiment, the joint mounting seat 200 further includes a ring body 212 surrounding the air outlet pipe 211 , and the ring body 212 is used for installing a sealing member. The free end of the inner extension of the ring body 212 .

The sealing member 400 is fixed by the cover body 401 (preferably) or fixed on the ring body 212 by bonding. The outer periphery of the body 212 is provided with cover screw mounting posts 402 for fixing.

The inner diameter of the butt pipe 111 is larger than the outer diameter of the air outlet pipe 211 and smaller than the inner diameter of the ring body 212. When the butt pipe 111 is in a butted state, the butt pipe 111 is inserted between the ring body 212 and the air outlet pipe 211, and the free end of the seal is A seal is formed against the outer wall of the butt pipe 111 .

The mounting tube 112 further includes a radially extending protruding rib located on the outer wall of the mounting tube 112 , a limiting rib is correspondingly provided on the wall of the slot, and the protruding rib cooperates with the limiting rib to limit the The rotation angle between the installation tube 112 and the socket seat 201 can limit the rotation angle between the installation tube 112 and the socket seat 201 to a predetermined angle. In this embodiment, the predetermined angle is the horizontal central axis within the range of 180° above.

This embodiment also provides a ventilation device, such as a ventilator, a high-flow oxygen therapy device, or an anesthesia machine that needs to be communicated with a fluid source (eg, an oxygen cylinder, an oxygen supply center, an anesthesia vaporizer, etc.). The ventilation device includes an air source input device, a gas pressurization device, a humidification device, the above-mentioned fluid connection device and a heating pipeline, the air source input device, the gas pressurization device, the humidification device, the fluid connection device and the heating pipe The circuits are connected in sequence, wherein the air inlet end in the joint mounting seat 200 can be communicated with the humidifying device. When the ventilation device is a high-flow oxygen therapy device, the air source input device further includes an oxygen input device, and the air outlet connector 100 and the connector mounting seat 200 in the fluid connection device can be adjusted as required, that is, the mounting tube 112 and the seat body can be Rotational connection is formed within the preset angle and there will be no stranding phenomenon.

The above specific examples are used to illustrate the present invention, which are only used to help understand the present invention, and are not intended to limit the present invention. For those skilled in the art to which the present invention pertains, according to the idea of the present invention, several simple deductions, modifications or substitutions can also be made.

Claims (13)

1. A fluid connecting device is characterized by comprising an air outlet joint and a joint mounting seat, wherein the air outlet joint is butted with the joint mounting seat; the air outlet connector is provided with an electric connector, the air outlet connector forms a winding space, and a heating circuit led out from the ventilation equipment is contained in the winding space and connected with the electric connector.

2. The fluid coupling device according to claim 1, wherein the outlet fitting comprises a mounting tube, a butt-joint tube, and a connecting tube; the connecting pipe is used for connecting an external heating pipeline;

the butt joint pipe is nested in the installation pipe, one end of the butt joint pipe is communicated with the connecting pipe, and the other end of the butt joint pipe is in butt joint with the assembly carrier so as to convey fluid media; the chamber between the mounting tube and the butt-joint tube forms the winding space.

3. The fluid coupling device according to claim 2, wherein the butt joint pipe and the connection pipe are integrally formed as a bent pipe, and the mounting pipe is formed as an arc-shaped section at the junction of the butt joint pipe and the connection pipe.

4. The fluid coupling device according to claim 3, wherein the electrical connector is disposed at an outer bend of the arcuate section of the mounting tube.

5. The fluid coupling device according to claim 3, wherein said fitting mount comprises:

the base body, the installation pipe forms the rotation with the base body in predetermineeing the angle and is connected.

The device comprises an air outlet pipe connected to a fluid source and a wire passing hole used for leading out a heating circuit, wherein the butt joint pipe is in sealed butt joint with the air outlet pipe, and the wire passing hole is correspondingly positioned in a winding space between the installation pipe and the butt joint pipe.

6. The fluid coupling device according to claim 5, wherein said housing is a socket having socket walls with resilient snap-fit locations disposed proximate to the root;

the mounting tube comprises a buckling convex surface which is formed by extending outwards along the radial direction;

the installation pipe inserts in the slot seat, the lock convex surface with the position cooperation is detained to elasticity, makes the installation of the joint of giving vent to anger is fixed on the joint mount pad, just the installation pipe can rotate relative to the slot seat.

7. The fluid coupling device according to claim 6, wherein the mounting tube has a convex limiting surface extending radially outward, and the convex limiting surface cooperates with the housing of the ventilation device to fix the air outlet connector, so as to prevent the buckling convex surface from being disengaged from the elastic buckling position when the heating pipe is inserted into or removed from the heating pipe.

8. The fluid coupling device according to claim 5, wherein said fitting mount further comprises a ring surrounding said outlet tube; the ring body is used for installing a sealing element, and the sealing element is provided with a fixing ring sleeved on the ring body and a free end extending towards the interior of the ring body;

the inner diameter of the butt joint pipe is larger than the outer diameter of the air outlet pipe and smaller than the inner diameter of the ring body, when the butt joint state is formed, the butt joint pipe is inserted between the ring body and the air outlet pipe, and the free end of the sealing element is tightly attached to the outer wall of the butt joint pipe to form sealing.

9. The fluid coupling device according to claim 6, wherein the mounting tube further comprises a radially extending raised rib located on an outer wall of the mounting tube, and a corresponding retaining rib is located on a wall of the socket, the raised rib and the retaining rib cooperating to limit a rotational angle between the mounting tube and the socket.

10. A fluid-coupling device according to claim 5 or 9, wherein the predetermined angle is in the range 180 ° above the horizontal central axis.

11. The fluid coupling device according to claim 3, wherein the end of the arc-shaped segment of the mounting tube forms an end surface platform, the platform surface of the end surface platform is perpendicular to the axial direction of the connecting tube, the end surface platform is provided with a recessed position, and the electrical connector is mounted and arranged in the recessed position.

12. An aeration device comprising a gas source input, a gas pressurizing device, a humidifying device, a fluid coupling device according to any one of claims 1 to 11, and a heating line, wherein the gas source input, the gas pressurizing device, the humidifying device, the fluid coupling device, and the heating line are connected in sequence.

13. The ventilator of claim 12 wherein said ventilator comprises a ventilator and a high flow oxygen therapy device.

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