CN217246045U

CN217246045U - Endotracheal tube and endotracheal tube subassembly

Info

Publication number: CN217246045U
Application number: CN202123347831.0U
Authority: CN
Inventors: 林伟林; 时勇; 李智鹏
Original assignee: Zhuhai Jindao Medical Technology Co ltd
Current assignee: Zhuhai Jindao Medical Technology Co ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-08-23
Anticipated expiration: 2031-12-27

Abstract

The utility model provides a tracheal catheter and a tracheal catheter component, wherein the tracheal catheter comprises a catheter main body, a first balloon joint, a second balloon joint and a suction joint; a first sacculus cavity, a second sacculus cavity, a suction cavity and a breathing channel are arranged in the tube main body; the outer peripheral wall of the far end of the tube main body is provided with a first sacculus and a second sacculus, and the second sacculus is coated on the outer side of the first sacculus; the far end of the tube main body is provided with a suction port and a breathing port, the suction port is communicated with the suction cavity, the breathing port is communicated with the breathing passage, and the first balloon joint, the second balloon joint and the suction joint are all connected to the near end of the tube main body; the first balloon and the outer peripheral wall of the tube main body enclose an inflation cavity, and the first balloon joint is communicated with the inflation cavity through the first balloon cavity; the first sacculus and the second sacculus enclose into a medicine injection cavity, the second sacculus joint is communicated with the medicine injection cavity through the second sacculus cavity, and a medicine injection hole communicated with the medicine injection cavity and the outside is formed in the second sacculus. The tracheal tube can avoid irritation to the patient when withdrawing the tube.

Description

Endotracheal tube and endotracheal tube subassembly

Technical Field

The utility model belongs to the technical field of the medical instrument technique and specifically relates to a endotracheal tube and endotracheal tube subassembly is related to.

Background

In respiratory diseases, patients suffering from respiratory difficulties caused by laryngeal dyspnea, respiratory dysfunction or lower respiratory secretions retention are often treated by a tube cutting and incising operation. Tracheotomy, namely, a tracheal catheter is placed after a neck trachea is cut, and a breathing passage is provided for a patient needing anesthesia, artificial ventilation or other auxiliary breathing through the tracheal catheter.

Endotracheal tubes currently on the market are coated with a drug on the surface to reduce the risk of irritation to the patient during use, but the drug is gradually washed away after insertion and use, thus risking a sharp irritation to the patient when the tube is withdrawn.

SUMMERY OF THE UTILITY MODEL

A first object of the present invention is to provide a tracheal tube which avoids irritation to the patient when withdrawing the tube.

A second object of the present invention is to provide an endotracheal tube assembly having the above endotracheal tube.

In order to achieve the first object, the utility model provides a tracheal catheter, which comprises a catheter main body, a first balloon joint, a second balloon joint and a suction joint; the tube main body is arc-shaped, and a first sacculus cavity, a second sacculus cavity, a suction cavity and a breathing channel which all extend along the length direction of the tube main body are arranged in the tube main body; the outer peripheral wall of the far end of the tube main body is provided with a first sacculus and a second sacculus, and the second sacculus is coated on the outer side of the first sacculus; the far end of the tube main body is provided with a suction port and a breathing port, the suction port is communicated with the suction cavity, the breathing port is communicated with the breathing passage, and the first balloon joint, the second balloon joint and the suction joint are all connected to the near end of the tube main body; the first balloon and the outer peripheral wall of the tube main body enclose an inflation cavity, and the first balloon joint is communicated with the inflation cavity through the first balloon cavity; the first sacculus and the second sacculus enclose into a medicine injection cavity, the second sacculus joint is communicated with the medicine injection cavity through the second sacculus cavity, and a medicine injection hole communicated with the medicine injection cavity and the outside is formed in the second sacculus.

It is seen by above-mentioned scheme, during the use, can insert the trachea after the endotracheal tube surface coats the medicine, then be fixed in preset position with endotracheal tube through the mode of the first sacculus of inflation, the cladding of second sacculus is outside first sacculus, when first sacculus is inflated, because the second sacculus is flexible, the second sacculus can paste first sacculus and inflate together, the patient breathes through breathing passageway, and can be connected suction device and suction joint, through providing the negative pressure to this suction intracavity, come out secretion fluid and other material suction. After the treatment is finished, when the catheter is withdrawn, the second balloon joint injects the medicine into the medicine injection cavity, and the medicine is injected into the tracheal wall of the human body through the medicine injection hole communicated with the medicine injection cavity for anesthesia, so that the acute stimulation to the patient is reduced.

One preferable scheme is that the pipe main body is provided with a first communicating hole and a second communicating hole, and the first communicating hole and the second communicating hole both penetrate through the outer wall of the pipe main body; the inflation cavity is communicated with the first balloon cavity through a first communicating hole, and the medicine injection cavity is communicated with the second balloon cavity through a second communicating hole.

In a preferred aspect, the first balloon connector is provided with a one-way valve and an indicator balloon, the indicator balloon being in communication with the first balloon. The indication balloon and the first balloon are positioned on the same side of the one-way valve.

Therefore, the indication balloon is communicated with the second balloon, and when the indication balloon and the second balloon are inflated, the indication balloon and the second balloon are inflated simultaneously, so that the inflation degree of the first balloon can be indirectly observed through the indication balloon.

According to a preferable scheme, the tracheal catheter further comprises a first branch pipe, a second branch pipe and a third branch pipe, the first branch pipe, the second branch pipe and the third branch pipe extend outwards from the near end of the catheter main body, the first branch pipe is communicated with the first sacculus cavity, the second branch pipe is communicated with the second sacculus cavity, the third branch pipe is communicated with the suction cavity, the first sacculus joint is connected to the free end of the first branch pipe, the second sacculus joint is connected to the free end of the second branch pipe, and the suction joint is connected to the free end of the third branch pipe.

Preferably, the tube body is made of a hard material.

It follows that the tube body can support the airway from collapsing and maintain breathing.

In order to realize the second objective, the utility model provides an endotracheal tube subassembly, including expander and foretell endotracheal tube, the expander is the arc and wears to establish in breathing the passageway, the near-end and the pipe main part detachably fixed connection of expander, the distal end of expander is followed the mouth of respiration stretches out.

Therefore, the dilator can be used for guiding the airway tube to be inserted into a human body, and after the airway tube is in place, the dilator can be pulled out, so that a patient can breathe through the breathing channel.

One preferred scheme is that the near end of the dilator is provided with a buckle, the outer peripheral wall of the tube main body is provided with a buckling part, and the buckle is clamped with the buckling part.

The further scheme is that the buckle includes spacing portion, supporting part and hook, and spacing portion outwards bulges along radially following the periphery wall of expander, and the supporting part sets up on spacing portion and to the direction extension of keeping away from the near-end of expander, and the hook sets up at the free end of supporting part and towards the center pin bending of expander.

The further scheme is that the buckling part is inwards sunken from the peripheral wall of the tube main body, the supporting part is adjacent to the peripheral wall of the tube main body, and the hook-shaped part is clamped with the buckling part.

Therefore, the expander is connected with the pipe body in a clamping mode, the connecting mode is simple, and the connecting stability is good.

In a preferred scheme, the distal end of the dilator is provided with a rounded sealing head, and the sealing head extends out of the breathing port.

Therefore, the tracheal catheter can be prevented from scratching or scratching human tissues.

Drawings

Figure 1 is a cross-sectional view of an embodiment of the endotracheal tube assembly of the present invention.

Figure 2 is a cross-sectional view of a tube body in an embodiment of the endotracheal tube assembly of the present invention.

Figure 3 is a cross-sectional view of a dilator in an embodiment of the endotracheal tube assembly of the present invention.

The present invention will be further explained with reference to the drawings and examples.

Detailed Description

Referring to fig. 1 to 3, the endotracheal tube assembly includes an endotracheal tube 1 and a dilator 2. The endotracheal tube 1 includes a tube main body 10, a first balloon joint 31, a second balloon joint 41, a suction joint 51, a first branch tube 101, a second branch tube 102, and a third branch tube 103. The tube main body 10 is arc-shaped, and a first balloon cavity 11, a second balloon cavity 12, a suction cavity 13 and a breathing passage 17 which all extend along the length direction of the tube main body 10 are arranged in the tube main body 10. The outer peripheral wall of the distal end of the tube main body 10 is provided with a first balloon 3 and a second balloon 4, and the second balloon 4 is wrapped outside the first balloon 3. The tube body 10 is made of a hard material such as plastic.

The first balloon connector 31, the second balloon connector 41 and the suction connector 51 are all provided at the proximal end of the tube main body 10. Enclose into the chamber 32 that inflates between the periphery wall of first sacculus 3 and pipe main part 10, first sacculus joint 31 and the chamber 32 that inflates are through first sacculus chamber 11 intercommunication, enclose into injection chamber 42 between first sacculus 3 and the second sacculus 4, second sacculus joint 41 and injection chamber 42 are through second sacculus chamber 12 intercommunication, seted up intercommunication injection chamber 42 and outside injection hole 43 on the second sacculus 4. The tube main body 10 is provided with a first communicating hole 14 and a second communicating hole 15, the first communicating hole 14 and the second communicating hole 15 both penetrate through the outer wall of the tube main body 10, the inflation cavity 32 is communicated with the first balloon cavity 11 through the first communicating hole 14, and the drug injection cavity 42 is communicated with the second balloon cavity 12 through the second communicating hole 15.

The first sacculus cavity 11, the second sacculus cavity 12 and the suction cavity 13 are all located in the tube main body 10, the first sacculus cavity 11, the second sacculus cavity 12 and the suction cavity 13 are arranged at intervals along the circumferential direction of the periphery of the breathing passage 17, the first branch tube 101, the second branch tube 102 and the third branch tube 103 all extend outwards from the near end of the tube main body 10, the first branch tube 101 is communicated with the first sacculus cavity 11, the second branch tube 102 is communicated with the second sacculus cavity 12, the third branch tube 103 is communicated with the suction cavity 13, the first sacculus joint 31 is connected at the free end of the first branch tube 101, the second sacculus joint 41 is connected at the free end of the second branch tube 102, and the suction joint 51 is connected at the free end of the third branch tube 103.

The first balloon joint 31 is provided with a one-way valve 33 and an indicating balloon 34, the indicating balloon 34 is communicated with the first balloon 3, and the indicating balloon 34 and the first balloon 3 are positioned on the same side of the one-way valve 33. Since the indicator balloon 34 and the second balloon 4 are communicated with each other, when inflated, the indicator balloon 34 can indirectly observe the inflation degree of the first balloon 3. The first balloon 3 and the indicator balloon 34 can be inflated or released only when the one-way valve 33 is pressed.

The same all is the arc with the shape of pipe main part 10 of expander 2, and expander 2 wears to establish in breathing passageway 17, and expander 2's near-end and pipe main part 10 detachably fixed connection, and expander 2's distal end is provided with mellow and graceful head 21, and suction port 131 and breathing mouth 171 have been seted up to pipe main part 10's distal end, and suction port 131 and suction chamber 13 intercommunication, breathing mouth 171 and breathing passageway 17 intercommunication, head 21 stretches out from breathing passageway 17's breathing mouth 131.

The proximal end of the dilator 2 is provided with a buckle 22, the outer peripheral wall of the tube main body 10 is provided with a buckling part 16, and the buckle 22 is clamped with the buckling part 16. The clip 22 includes a stopper 221, a support 222, and a hook 223, the stopper 221 protrudes outward from the outer circumferential wall of the dilator 2 in the radial direction, the support 222 is provided on the stopper 221 and extends in a direction away from the proximal end of the dilator 2, and the hook 223 is provided at the free end of the support 222 and bends toward the central axis of the dilator 2. The engaging portion 16 is recessed inward from the outer peripheral wall of the tube main body 10, the support portion 222 abuts against the outer peripheral wall of the tube main body 10, and the hook portion 223 is engaged with the engaging portion 16.

It is from top to bottom visible, during the use, in inserting breathing passageway with the expander, the expander can be used to guide endotracheal tube to insert the human body, can insert the trachea again after the endotracheal tube surface coats the medicine before inserting, then is fixed in predetermineeing the position with endotracheal tube through the mode of the first sacculus that inflates, and the cladding of second sacculus is outside first sacculus, and when first sacculus was inflated, because second sacculus is elastic, the second sacculus can paste first sacculus and inflate together. After the tracheal catheter is fixed and in place, the dilator can be pulled out, the patient can breathe through the breathing passage, the suction device can be connected with the suction connector, and secretion fluid and other substances can be sucked out by providing negative pressure to the suction cavity. After the treatment is finished, even if the medicine on the surface of the tracheal catheter loses efficacy, before the catheter is withdrawn, the second balloon joint can inject anesthetic medicine into the medicine injection cavity, and the medicine is injected into the tracheal wall of a human body through the medicine injection hole communicated with the medicine injection cavity to be anesthetized, so that the acute stimulation to a patient is reduced.

Further, the number, shape and arrangement position of the first communicating holes, the second communicating holes and the medicine injection holes may be changed as required. The above changes also enable the object of the present invention to be achieved.

Finally, it should be emphasized that the above-described preferred embodiments of the present invention are merely examples of implementations, and are not intended to limit the scope of the present invention, as those skilled in the art will appreciate that various changes and modifications may be made without departing from the spirit and scope of the invention, and it is intended to cover all such modifications, equivalents, and improvements as fall within the true spirit and scope of the invention.

Claims

1. The tracheal catheter is characterized by comprising a catheter main body, a first balloon joint, a second balloon joint and a suction joint;

the tube main body is arc-shaped, and a first sacculus cavity, a second sacculus cavity, a suction cavity and a breathing channel which all extend along the length direction of the tube main body are arranged in the tube main body;

the outer peripheral wall of the far end of the tube main body is provided with a first sacculus and a second sacculus, and the second sacculus is coated on the outer side of the first sacculus;

the far end of the tube main body is provided with a suction port and a breathing port, the suction port is communicated with the suction cavity, the breathing port is communicated with the breathing passage, and the first balloon joint, the second balloon joint and the suction joint are all connected to the near end of the tube main body;

the first balloon and the outer peripheral wall of the tube main body enclose an inflation cavity, and the first balloon joint is communicated with the inflation cavity through the first balloon cavity;

the first balloon and the second balloon enclose a drug injection cavity, the second balloon joint is communicated with the drug injection cavity through the second balloon cavity, and a drug injection hole communicated with the drug injection cavity and the outside is formed in the second balloon.

2. The endotracheal tube of claim 1, wherein:

the pipe main body is provided with a first communicating hole and a second communicating hole, and the first communicating hole and the second communicating hole penetrate through the outer wall of the pipe main body;

the inflation cavity is communicated with the first balloon cavity through the first communicating hole, and the medicine injection cavity is communicated with the second balloon cavity through the second communicating hole.

3. The endotracheal tube according to claim 1, characterized in that:

the first balloon joint is provided with a one-way valve and an indicating balloon, the indicating balloon is communicated with the first balloon, and the indicating balloon and the first balloon are positioned on the same side of the one-way valve.

4. The endotracheal tube according to any one of claims 1 to 3, characterized in that:

endotracheal tube still includes first branch pipe, second branch pipe and third branch pipe, first branch pipe the second branch pipe with the third branch pipe all certainly the proximal end of pipe main part outwards extends, first branch pipe with first sacculus chamber intercommunication, the second branch pipe with second sacculus chamber intercommunication, the third branch pipe with suction chamber intercommunication, first sacculus articulate in the free end of first branch pipe, second sacculus articulate in the free end of second branch pipe, suction articulate in the free end of third branch pipe.

5. The endotracheal tube according to any one of claims 1 to 3, characterized in that:

the tube body is made of a hard material.

6. An endotracheal tube assembly characterized in that it comprises an arc-shaped dilator and an endotracheal tube according to any one of claims 1 to 5, said dilator being inserted in said breathing passage, the proximal end of said dilator being removably and fixedly connected to said tube body, the distal end of said dilator projecting from said breathing orifice.

7. The endotracheal tube assembly of claim 6 wherein:

the near-end of expander sets up the buckle, be provided with the buckling parts on the periphery wall of pipe main part, the buckle with the buckling parts joint.

8. The endotracheal tube assembly of claim 7 wherein:

the buckle includes spacing portion, supporting part and hook-shaped portion, spacing portion is along radially from the periphery wall of expander is outwards protruding, the supporting part sets up spacing portion is gone up and to keeping away from the direction of the near-end of expander extends, hook-shaped portion sets up the free end of supporting part and towards the center pin of expander is crooked.

9. The endotracheal tube assembly of claim 8 wherein:

the buckling part is from the periphery wall of pipe main part is inwards sunken, the supporting part with the periphery wall of pipe main part borders on, hook-shaped portion with the buckling part joint.

10. The endotracheal tube assembly according to any one of claims 6 to 9, characterized in that:

the distal end of the dilator is provided with a rounded seal head, and the seal head extends out of the breathing port.