CN210750748U

CN210750748U - Trachea cannula structure and respiratory device

Info

Publication number: CN210750748U
Application number: CN201920949816.7U
Authority: CN
Inventors: 张茂; 王磊
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-21
Filing date: 2019-06-21
Publication date: 2020-06-16
Anticipated expiration: 2029-06-21

Abstract

The utility model provides a trachea cannula structure and respiratory device relates to medical instrument technical field. The trachea cannula structure comprises a tube core which is inserted into a trachea and is provided with a hollow hole for circulating airflow; the tip that the tube core is used for inserting trachea is provided with supplementary intubate subassembly, and supplementary intubate subassembly is located the cavity hole of tube core to supplementary intubate subassembly is connected through mortise and tenon mode cooperation between subassembly and the tube core, and it is inconvenient with the installation between the operation subassembly that is located the intubate end among the alleviating prior art and the intubate, and the firm in connection nature is lower, drops easily and is detained in the trachea, and then leads to technical problem such as medical accident.

Description

Trachea cannula structure and respiratory device

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a trachea cannula structure and respiratory device.

Background

The trachea cannula is a technology of placing a special endotracheal tube in a trachea through a glottis, and can provide optimal conditions for smooth airway, ventilation and oxygen supply, respiratory tract suction, prevention of aspiration and other operations through the trachea cannula. Meanwhile, the emergency trachea intubation technology becomes an important measure in the rescue process of cardiopulmonary resuscitation and critical patients accompanied with respiratory dysfunction and the like, and trachea intubation is also an important rescue technology commonly used in emergency work and is one of the most widely, effectively and quickly applied means in the respiratory tract management.

However, in actual use, the tracheal intubation is matched with some operating devices for assisting intubation, and the operating devices are not actually connected with the intubation, but are manually and tightly held by structures positioned outside the oral cavity to perform intubation. In practical use, there are various defects, such as that the end of the operation device extending into the mouth cavity of the insertion tube is far away, i.e. is located at the front end of the insertion tube, and then the operation device loses guidance and protection of the insertion tube and scratches the tracheal wall, or completely falls off from the trachea, stays in the trachea, and is even attracted to the lung by lung movement, causing serious medical accidents. In addition, some intubation operations adopt blind intubation, namely inserting the trachea under the condition of non-photopic vision, and judging the position of the catheter according to the strength of the exhaled airflow. However, this operation method has a certain risk, and the medical staff must know the structure of the trachea and have a very high sensitivity to the strength of the airflow, i.e. the medical staff is required to have a skilled and excellent practical operation means and experience. However, in case of emergency, the patient may not be perfectly intubated due to time or noise in the environment or due to lack of personnel, and there is a risk of treatment; the trachea cannula can not be smoothly performed due to the limitation of the experience level of an operator, and certain risks exist in the treatment of patients.

In view of the above, there is a need for a tracheal intubation structure and a respiratory device, which can solve the above problems.

The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.

SUMMERY OF THE UTILITY MODEL

A first object of the utility model is to provide a trachea cannula structure to it is inconvenient to alleviate the installation between the operating assembly that lies in the intubate end and the intubate among the prior art, and firm in connection nature is lower, drops easily and is detained in the trachea, and then leads to technical problem such as medical accident.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a trachea cannula structure, which comprises a tube core inserted into a trachea, wherein the tube core is provided with a hollow hole for circulating airflow;

the end part of the tube core, which is used for being inserted into a trachea, is provided with an auxiliary intubation component, the auxiliary intubation component is positioned in the hollow hole of the tube core, and the auxiliary intubation component is in mortise and tenon matching connection with the tube core.

In any of the above technical solutions, further, the tube core includes a mortise cylinder fixedly disposed in the hollow hole and located at the end portion, the mortise cylinder has a through hole penetrating along a length direction of the tube core, a mortise is disposed on a hole wall of the through hole, the auxiliary insertion tube assembly has a mortise head, the auxiliary insertion tube assembly is disposed in the through hole, and the mortise head is matched with the mortise and tenon.

In any one of the above technical solutions, further, the mortise includes a plurality of grooves arranged around the circumferential direction of the tube core at intervals, and the mortise head includes a plurality of convex strips corresponding to the grooves one by one.

In any of the above technical solutions, further, the cross section of the groove is in a sector ring shape.

In any one of the above technical solutions, further, at least one of the side walls of the groove is provided with a protrusion, the protrusion corresponds to the groove at the same side, and the protruding strip is provided with a clamping groove, and the clamping groove is used for being matched with the protrusion in a clamping manner.

In any of the above technical solutions, further, the convex surface of the protrusion is a spherical surface.

In any of the above solutions, further, the auxiliary cannula assembly includes a mounting housing and an introducer member;

the mortise head is connected to the outer side wall of the installation shell, and the plug tube device is arranged in the installation shell.

In any of the above technical solutions, further, the intubation device includes a gas sensor for detecting a carbon dioxide concentration in the trachea and a display for displaying the carbon dioxide concentration;

the gas sensor is positioned in the mounting shell, the display is positioned at one end of the tube core, which is not inserted into the air tube, and the gas sensor is electrically connected with the display.

In any of the above technical solutions, further, the cannula device further includes a radio frequency element and a radio frequency inductor;

the radio frequency element is positioned in the mounting shell, the radio frequency inductor is positioned at the external thoracic cavity of the patient, and the radio frequency element is connected with the radio frequency inductor through a radio frequency signal;

the radio frequency element is capable of moving synchronously with the die, and the radio frequency inductor is used for receiving radio frequency signals emitted by the radio frequency element.

In any of the above technical solutions, further, the tube core is configured as a spiral tube.

In any of the above technical solutions, further, the tube core is configured as an aluminum alloy tube.

In any of the above technical solutions, further, the outer side of the die is wrapped with a flexible protective layer.

A second object of the present invention is to provide a respiratory device, which is used for relieving the inconvenience of installation between the operation assembly located at the end of the intubation tube and the intubation tube when the endotracheal intubation is performed in the prior art, and has lower connection firmness, easy falling off and detention in the trachea, and further leading to the technical problems of medical accidents, etc.

The utility model also provides a breathing device, which comprises the trachea cannula structure and a breathing machine;

the trachea cannula structure is connected with the air transmission port of the respirator.

The utility model has the advantages that:

the utility model provides a pair of trachea cannula structure, including the tube core that has the cavity hole, the cavity hole is used for mobile air current to ensure that the patient breathes unobstructed. One end of the tube core is used for being inserted into a trachea of a patient, an auxiliary intubation component is arranged at one end of the tube core, which is inserted into the trachea of the patient, and the auxiliary intubation component is connected in a cavity of the hollow hole.

The auxiliary pipe inserting assembly is connected with the pipe core in a mortise and tenon mode in a matched mode, namely, the auxiliary pipe inserting assembly is mutually occluded with the hole wall of the pipe core through a mortise and tenon structure to achieve positioning installation, and installation is more convenient. Moreover, the fixed connection of the auxiliary intubation component and the tube core is realized through mortise and tenon matching, so that the auxiliary intubation component is not easy to fall off to be retained in the trachea in actual use, and the use safety of the trachea intubation structure is further improved. In addition, mortise and tenon connection need not to add and establishes other fasteners and can realize the fixed connection between supplementary intubate subassembly and the tube core, and the fastness of connection is high, also can not appear the fastener and become flexible suddenly and drop to detain in tracheal problem, further increase this trachea cannula structure's safety in utilization.

The utility model provides a breathing device, which comprises the trachea cannula structure and a breathing machine; the trachea cannula structure is communicated with the gas transmission port of the breathing machine, so that the circulating oxygen can be conveniently input into a patient, and the patient can conveniently breathe.

It should be noted that the construction and resulting benefits of the endotracheal tube structure are described in detail above and therefore will not be described in detail herein.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of a trachea cannula according to an embodiment of the present invention;

fig. 2 is a schematic view of an installation shell in an endotracheal intubation structure provided by an embodiment of the present invention;

fig. 3 is a schematic view of a mortise and tenon column in a trachea cannula structure provided by an embodiment of the present invention;

fig. 4 is a partial cross-sectional view of a tube core in an endotracheal intubation structure provided by an embodiment of the present invention.

Icon: 10-die; 12-mortise and tenon column; 21-mounting the housing; 30-a protective layer; 121-grooves; 122-a through hole; 211-convex strips; 212-wire guides; 221-a gas sensor; 222-a display; 223-radio frequency components; 1211-a bulge; 2111-card slot.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Examples

As shown in fig. 1 to 3, the tracheal intubation structure provided in this embodiment includes a tube core 10 for insertion into a trachea, the tube core 10 having a hollow hole for ventilation; the end part of the tube core 10, which is used for being inserted into a trachea, is provided with an auxiliary intubation component, the auxiliary intubation component is positioned in a hollow hole of the tube core 10, and the auxiliary intubation component is in matched connection with the tube core 10 in a mortise and tenon mode.

Specifically, the tube core 10 is provided with a hollow hole penetrating along the length direction of the tube core, and the hollow hole is used for flowing air flow instead of an air tube, so that the patient can breathe smoothly. One end of the tube core 10 is used for holding by a medical staff, and can be connected with an external respirator and the like, and the other end of the tube core 10 is used for being inserted into the trachea of a patient. Supplementary intubate subassembly is connected in the cavity in cavity hole, and is located the one end that the tube core 10 inserted patient's trachea, can judge through supplementary intubate subassembly whether the tube core 10 inserts to patient's trachea, can also help medical personnel to know the intubate degree of depth of 10 insertedly simultaneously to intubate operation goes on smoothly, security when increasing the intubate.

The auxiliary inserting pipe assembly is matched with the tube core 10 in a mortise-tenon mode, namely, the auxiliary inserting pipe assembly is mutually occluded with the hole wall of the tube core 10 in a mortise-tenon mode to achieve positioning installation, and installation is more convenient. Moreover, the fixed connection of the auxiliary intubation component and the tube core 10 is realized through mortise and tenon matching, so that the auxiliary intubation component is not easy to fall off to be retained in a trachea in actual use, and the use safety of the trachea intubation structure is further improved. In addition, mortise and tenon connection need not to add and establishes other fasteners and can realize the fixed connection between supplementary intubate subassembly and the tube core 10, and the fastness of connection is high, also can not appear the fastener and become flexible suddenly and drop to detain in tracheal problem, further increase this trachea cannula structure's safety in utilization.

With reference to fig. 2 and fig. 3, in practical use, the tube core 10 includes a mortise cylinder 12 fixed in the hollow hole and located at the end portion, the mortise cylinder 12 has a through hole 122 penetrating along the length direction of the tube core 10, a mortise is disposed on the hole wall of the through hole 122, the auxiliary insertion tube assembly has a mortise, the auxiliary insertion tube assembly is disposed in the through hole 122, and the mortise is matched with the mortise.

Specifically, a mortise and tenon cylinder 12 is fixedly arranged at one end of the tube core 10 inserted into the trachea of the patient, namely, the outer side wall of the mortise and tenon cylinder 12 is fixedly connected with the hole wall of the tube core 10, a through hole 122 coaxial with the hollow hole is formed in the mortise and tenon cylinder 12, and the auxiliary intubation assembly is in mortise and tenon cooperation with the mortise and tenon cylinder 12, so that the auxiliary intubation assembly is fixedly connected with the tube core 10.

Wherein, be provided with the mortise on the pore wall of mortise cylinder 12, have at supplementary intubate subassembly can with mortise and tenon complex fourth of the twelve earthly branches head, and then realize supplementary intubate subassembly and mortise cylinder 12's fixed connection. Because the mortise and tenon column 12 is fixedly arranged in the hollow hole of the tube core 10, the auxiliary cannula assembly is relatively fixed with the tube core 10.

Wherein, the outer side wall of the mortise and tenon column body 12 and the hole wall of the tube core 10 can be glued by medical adhesive.

With continued reference to fig. 2 and 3, preferably, the mortise includes a plurality of grooves 121 arranged at intervals around the circumference of the die 10, and the mortise includes a plurality of ribs 211 corresponding to the grooves 121 one by one.

Specifically, the outer side wall of the mortise and tenon cylinder 12 is fixedly connected with the hole wall of the tube core 10, a plurality of grooves 121 are formed in the inner hole wall of the mortise and tenon cylinder 12, and the grooves 121 extend along the length direction of the tube core 10 and penetrate through the mortise and tenon cylinder 12. A plurality of grooves 121 are uniformly distributed around the circumference of the mortise and tenon column 12 at intervals. Correspondingly, be provided with a plurality of sand grips 211 on the lateral wall of supplementary intubation device, and every sand grip 211 corresponds a recess 121, through the joint cooperation of sand grip 211 with recess 121, realizes being connected between supplementary intubation device and the mortise and tenon cylinder 12.

Wherein the cross section of the groove 121 is fan-shaped.

Specifically, the cross section of the groove 121 is a sector ring, so that the cross section of the protruding strip 211 is also a sector ring, thereby ensuring that the groove 121 and the protruding strip 211 can be adapted. And the sector annular groove 121 can save the space of the mortise and tenon column body 12.

With reference to fig. 2 and fig. 3, preferably, at least one of the grooves 121 has a protrusion 1211 on a sidewall thereof, and the protrusion 211 corresponding to the same side of the groove 121 has a slot 2111, and the slot 2111 is adapted to engage with the protrusion 1211.

Wherein, the convex surface of the protrusion 1211 is a spherical surface.

Specifically, two protrusions 1211 are respectively disposed at two ends of the groove 121 along the length direction thereof, the protrusions 1211 protrude from the groove bottom of the groove 121 toward the axis of the mortise and tenon cylindrical body 12, and the protrusion direction is along the radial direction of the mortise and tenon cylindrical body 12. Correspondingly, a locking groove 2111, that is, a structure recessed along the radial direction of the mortise and tenon column 12, is disposed at a position corresponding to the protruding strip 211. During the in-service use, supplementary intubate subassembly inserts to the through-hole 122 of mortise and tenon cylinder 12 from the tracheal one end of tube core 10 insertion, realizes supplementary intubate subassembly's location installation through mutually supporting of sand grip 211 and recess 121, still has limiting displacement simultaneously, ensures that supplementary intubate subassembly can not be around the circumferential direction of tube core 10. When the protruding strip 211 is matched with the groove 121, the protrusion 1211 located at the bottom of the groove 121 can be inserted into the slot 2111 at the corresponding position on the protruding strip 211, so as to limit the axial movement of the auxiliary cannula assembly along the tube core 10, and thus, the auxiliary cannula assembly is fixedly connected with respect to the mortise and tenon column 12.

The protrusion 1211 may be a hemispherical protrusion, and the locking slot 2111 is a hemispherical slot.

Two protrusions 1211 are respectively disposed on one of the grooves 121, two protrusions 1211 may be disposed on two grooves 121 on opposite sides, or two protrusions 1211 are disposed on each of the grooves 121, which is only required to fix the auxiliary cannula assembly.

The number of the protrusions 1211 may be one, two, or a plurality of protrusions 1211. When the number of the protrusions 1211 is plural, the protrusions 1211 are uniformly distributed at intervals along the length direction of the groove 121, and the protrusions 1211 can be in clamping fit with the clamping grooves 2111 to fix the auxiliary cannula assembly.

With continued reference to fig. 4, the tubular core 10 is preferably provided as a helical tube having good flexibility to facilitate bending to conform to the configuration of the trachea. Meanwhile, the tube core 10 is made of aluminum alloy tube, which has good oxidation resistance and corrosion resistance, and can prevent corrosion caused by contact with human body fluid during use.

With continued reference to fig. 4, the outside of the die 10 is preferably covered by a flexible protective layer 30.

Specifically, protective layer 30 adopts medical silica gel to make, and protective layer 30 parcel is on the lateral wall of tube core 10, and then plays the guard action to tube core 10 of aluminum alloy system, simultaneously because protective layer 30 has the flexibility, and then fish tail trachea when avoiding the intubate has improved the safety in utilization.

In an alternative embodiment, as shown in fig. 1 and 2, the auxiliary cannula assembly includes a mounting housing 21 and a cannula device; the mortise head is connected to the outer side wall of the installation shell 21, and the tube inserting piece is arranged in the installation shell 21.

Specifically, some of the tube insertion devices for assisting tube insertion are integrated in a mounting cavity formed by a mounting shell 21, and then the mounting shell 21 is connected with the mortise and tenon column 12, so as to fix the tube insertion device relative to the tube core 10.

With continued reference to fig. 1, the introducer device preferably includes a gas sensor 221 for sensing the concentration of carbon dioxide in the trachea and a display 222 for displaying the concentration of carbon dioxide; gas sensor 221 is located within mounting housing 21, display 222 is located at the end of tube core 10 that is not inserted into the gas tube, and gas sensor 221 is electrically connected to display 222.

Specifically, a mounting position capable of mounting the gas sensor 221 is provided in the mounting case 21, and the specific configuration of the mounting position is set according to the structure of the gas sensor 221 used, so long as the gas sensor 221 is fixed. The gas sensor 221 is installed in the installation shell 21, and the end of the installation shell 21 far away from the end inserted into the gas pipe is provided with a wire hole 212, and the wire hole 212 is communicated with the hollow hole of the tube core 10. The lead electrically connected with the display 222 of the gas sensor 221 extends out from the lead hole 212, extends out along the hollow hole of the tube core 10 and is electrically connected with the display 222, so that when the gas sensor 221 detects the concentration of carbon dioxide in the trachea, the gas signal can be converted into an electric signal, the electric signal is transmitted to the display 222 along with the lead, and the numerical state observed by an adult is displayed after being processed by a processing system in the display 222. When the value displayed on display 222 is small, it indicates that the tube core 10 is inserted into the trachea.

The gas sensor 221 and the display 222 may also be connected wirelessly, so that signals may be transmitted and received without wires, which is more convenient. And when the wires are not needed to be connected, the hollow holes do not need to be used for wiring of the wires, and only the breathing of the patient needs to be carried out, so that the patient is ensured to breathe more smoothly.

The wires may also be disposed between the protective layer 30 and the outer sidewall of the die 10, thereby ensuring that the wires do not need to be led out through the hollow hole of the die 10.

Wherein, the insertion end of the mounting shell 21 facing the tube core 10 is provided with a clapboard which is provided with a plurality of air holes, thereby ensuring the normal circulation of air.

Wherein, also can set up first through-hole 122 in half of mortise and tenon cylinder 12 to the installation of installation shell 21, second through-hole 122 is set up to half to gaseous normal circulation ensures that the patient breathes unobstructed.

Among them, the gas sensor 221 is an infrared gas sensor.

With continued reference to fig. 1, preferably, the cannula device further comprises a radio frequency element 223 and a radio frequency inductor; the radio frequency element 223 is located in the mounting housing 21, the radio frequency sensor is located at the external chest of the patient, and the radio frequency element 223 is connected with the radio frequency sensor through a radio frequency signal. The rf element 223 is capable of moving synchronously with the die 10 and the rf inductor is configured to receive rf signals transmitted by the rf element 223.

Specifically, the rf element 223 is an electronic chip capable of emitting rf signals, which is fixedly disposed within the mounting housing 21 and further moves within the trachea in synchronization with the insertion of the die 10. When using, radio frequency inductor can receive the radio frequency signal of radio frequency component 223 transmission, radio frequency inductor is located chest body surface projection's sternum angle department, radio frequency component 223 moves in the trachea along with tube core 10, after radio frequency inductor receives the radio frequency signal of radio frequency component 223 transmission, then judge tube core 10 in order to arrive the correct position, and then send out alarm sound and remind medical personnel tube core 10 in order to arrive the accurate position, so that carry out the unobstructed operation of patient's breathing, effectual avoiding blind plugging arouses the not right scheduling problem in tube core 10 position, increase the safety in utilization.

The embodiment also provides a breathing device, which comprises the trachea cannula structure and a breathing machine. The trachea cannula structure is communicated with the gas transmission port of the breathing machine, so that the circulating oxygen can be conveniently input into a patient, and the patient can conveniently breathe.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.

Claims

1. An endotracheal intubation structure, characterized by comprising a tubular core (10) for insertion into an endotracheal tube, said tubular core (10) having a hollow hole for the passage of a gas flow;

the end part of the tube core (10) used for being inserted into a trachea is provided with an auxiliary intubation component, the auxiliary intubation component is positioned in a hollow hole of the tube core (10), and the auxiliary intubation component is in mortise and tenon matched connection with the tube core (10).

2. The tracheal intubation structure according to claim 1, wherein the tube core (10) comprises a mortise cylinder (12) fixedly arranged in the hollow hole and located at the end, the mortise cylinder (12) has a through hole (122) penetrating along the length direction of the tube core (10), a mortise is arranged on the wall of the through hole (122), the auxiliary intubation assembly comprises a mortise, the auxiliary intubation assembly is arranged in the through hole (122), and the mortise is matched with the mortise.

3. An endotracheal intubation structure according to claim 2, characterized in that said mortise comprises a plurality of grooves (121) arranged at intervals around the circumference of said tubular core (10), said nose comprising a plurality of ribs (211) in a sequence corresponding to said grooves (121).

4. An endotracheal intubation structure according to claim 3, characterized in that said groove (121) has a sector-shaped cross section.

5. The tracheal intubation structure according to claim 3, wherein a protrusion (1211) is disposed on a side wall of at least one of the grooves (121), a locking groove (2111) is disposed on the protruding strip (211) corresponding to the same side of the groove (121), and the locking groove (2111) is used for being locked and matched with the protrusion (1211).

6. An endotracheal intubation structure according to claim 2 or 3, characterized in that said auxiliary intubation assembly comprises a mounting shell (21) and an introducer member;

the mortise head is connected to the outer side wall of the installation shell (21), and the plug tube device is arranged in the installation shell (21).

7. An endotracheal intubation structure according to claim 6, characterized in that said intubation device comprises a gas sensor (221) for detecting the concentration of carbon dioxide in the trachea and a display (222) for displaying the concentration of carbon dioxide;

the gas sensor (221) is positioned in the mounting shell (21), the display (222) is positioned at one end of the tube core (10) which is not inserted into the air tube, and the gas sensor (221) is electrically connected with the display (222).

8. The endotracheal intubation structure according to claim 6, wherein said intubation device further comprises a radio frequency element (223) and a radio frequency inductor;

the radio frequency element (223) is positioned in the mounting shell (21), the radio frequency inductor is positioned at the external chest cavity of the patient, and the radio frequency element (223) is connected with the radio frequency inductor through a radio frequency signal;

the radio frequency element (223) is capable of moving synchronously with the die (10), and the radio frequency inductor is used for receiving radio frequency signals emitted by the radio frequency element (223).

9. The endotracheal intubation structure according to any one of claims 1 to 5, characterized in that the outside of said tubular core (10) is coated with a flexible protective layer (30).

10. A respiratory device comprising the endotracheal intubation structure according to any one of claims 1 to 9, further comprising a ventilator;