CN111939410A

CN111939410A - Difficult-to-block and convenient-to-clean trachea cannula

Info

Publication number: CN111939410A
Application number: CN202010786075.2A
Authority: CN
Inventors: 单世民; 胡玉玲; 汪云朋
Original assignee: First Affiliated Hospital of Henan University of Science and Technology
Current assignee: First Affiliated Hospital of Henan University of Science and Technology
Priority date: 2020-08-07
Filing date: 2020-08-07
Publication date: 2020-11-17

Abstract

The utility model provides a difficult clear trachea cannula of blockking up and being convenient for, includes the body, two gasbags of fixedly connected with and a liquid bag on the outer wall of body leave the distance between two gasbags to two gasbags are linked together through a plurality of communicating pipe, and one of them gasbag intercommunication has the gas tube, and liquid bag intercommunication has the liquid honeycomb duct, and the liquid bag is the strip and during two gasbags were stretched into respectively at the both ends of liquid bag, still seted up a plurality of through-hole on the body, the through-hole is linked together with the liquid bag, and fixed being provided with inside permeable formation in the through-hole. The invention provides a tracheal cannula which is not easy to block and convenient to clean, and the tracheal cannula can be used for wetting sputum, so that sputum scabs are reduced, the tracheal cannula is not easy to block, and the tracheal cannula is convenient to clean.

Description

Difficult-to-block and convenient-to-clean trachea cannula

Technical Field

The invention relates to the field of medical instruments, in particular to a tracheal cannula which is not easy to block and convenient to clean.

Background

The trachea intubation is a method of placing a special trachea intubation catheter into a trachea or a bronchus through an oral cavity or a nasal cavity and a glottis, provides optimal conditions for smooth respiratory tract, ventilation and oxygen supply, respiratory tract suction and the like, and is an important measure for rescuing patients with respiratory dysfunction. The trachea cannula is a main instrument used in trachea intubation, the structure of the existing trachea cannula is shown in figure 1 and mainly comprises a tube body 2, one end of the tube body 2 is communicated with a connector 1, a part, close to the other end, of the tube body 2 is fixedly sleeved with an air bag 7, the air bag 7 is communicated with an inflation tube 3, a part of the inflation tube 3 is fixedly connected with the tube body 2, and the inflation tube 3 is further communicated with an inflation device 4. The prior tracheal cannula has some defects, and most importantly, sputum scab is easily formed on the inner wall of the tracheal cannula. The sputum scab is a solid substance formed after sputum dries in the trachea or the contemporaneous duct, and is similar to scab after skin trauma. The sputum scab forms the reason and has had a lot, it is main that the gas of business turn over respiratory track has lost the clean filtration of nasal part, the humidification effect, lead to respiratory tract epithelium cilia frequency of motion to descend or stop, and then lead to the respiratory track to clear away the ability of foreign matter and reduce, cause the sputum to gather, again because the trachea is directly communicateing with the external world after cutting open, thereby it forms the sputum scab to lead to the moisture evaporation rate in the sputum to accelerate to become the viscidity, in addition because the passageway of the normal discharge sputum of patient interrupts, consequently can't in time discharge the sputum, further lead to the sputum scab to form. When the sputum crust is too much, the airway or the tracheal cannula of the patient can be completely blocked, so that the ventilation is interrupted, and the patient is easily seriously injured.

Trachea cannula among the prior art mainly avoids a large amount of formation of phlegm scab through two kinds of modes, and the first kind is taken out the sputum in trachea cannula and the patient's air flue regularly through the mode of inhaling phlegm, realizes the cleanness to trachea cannula inner wall, and the second kind is regularly changing trachea cannula. The first mode needs to suspend temporarily to ventilate to guarantee to inhale the phlegm pipe and can take out the sputum smoothly, but because sputum itself is sticky, and can not use too big suction, lead to needing longer time just to take out the sputum, but the patient can not interrupt for a long time again and ventilate, consequently need medical personnel to inhale the phlegm operation frequently in actual operation, operating time is shorter at every turn, but because the operation at every turn all need will inhale the phlegm pipe again and put into, consequently the operation is very complicated, waste time and energy. The second method needs to prepare a plurality of trachea cannulas, and because the process of placing the trachea cannulas is complex, the frequent placing and placing are time-consuming and labor-consuming, and the patient is easy to feel uncomfortable.

Disclosure of Invention

In order to solve the defects in the prior art, the invention provides the tracheal cannula which is not easy to block and convenient to clean, and the tracheal cannula can wet sputum, so that sputum scabs are reduced, the tracheal cannula is not easy to block, and the tracheal cannula is convenient to clean.

In order to achieve the purpose, the invention adopts the specific scheme that: the utility model provides a difficult clear trachea cannula of blockking up and being convenient for, includes the body, two gasbags of fixedly connected with and a liquid bag on the outer wall of body leave the distance between two gasbags to two gasbags are linked together through a plurality of communicating pipe, and one of them gasbag intercommunication has the gas tube, and liquid bag intercommunication has the liquid honeycomb duct, and the liquid bag is the strip and during two gasbags were stretched into respectively at the both ends of liquid bag, still seted up a plurality of through-hole on the body, the through-hole is linked together with the liquid bag, and fixed being provided with inside permeable formation in the through-hole.

As a further optimization of the above tracheal cannula which is not prone to blockage and is convenient to clean: the tube body penetrates through the liquid bag and the air bag, and the tube body is fixedly connected with the liquid bag and the air bag.

As a further optimization of the above tracheal cannula which is not prone to blockage and is convenient to clean: the communicating pipes are arranged in a plurality of numbers, the communicating pipes are evenly distributed along the circumferential direction of the pipe body, and the communicating pipes are located on the peripheral side of the liquid bag.

As a further optimization of the above tracheal cannula which is not prone to blockage and is convenient to clean: the fixed installing frame that is provided with in the through-hole, the fixed inboard that sets up at the installing frame of inside permeable formation, the inboard of installing frame still is provided with the mounting panel, mounting panel and installing frame fixed connection have seted up the mounting hole on the mounting panel, and fixed being provided with first check valve in the mounting hole, and the direction of switching on of first check valve is for following the liquid bag arrives the body.

As a further optimization of the above tracheal cannula which is not prone to blockage and is convenient to clean: a plurality of penetration holes are formed in the liquid bag, an external penetration layer is fixedly arranged in each penetration hole, and the external penetration layer is located between the two air bags.

As a further optimization of the above tracheal cannula which is not prone to blockage and is convenient to clean: the inserting end of the tube body is conical, and a round angle is arranged at the conical tip.

As a further optimization of the above tracheal cannula which is not prone to blockage and is convenient to clean: at least one second one-way valve is embedded in the part, close to the insertion end, of the tube body, the second one-way valve is communicated with the air bag close to the insertion end, and the conduction direction of the second one-way valve is from the air bag to the tube body.

As a further optimization of the above tracheal cannula which is not prone to blockage and is convenient to clean: the cleaning pipe is detachably connected inside the pipe body, at least one water inlet hole is formed in the cleaning pipe, and a limiting ring used for limiting the cleaning pipe is fixedly arranged on the part, close to the insertion end, of the inner wall of the pipe body.

As a further optimization of the above tracheal cannula which is not prone to blockage and is convenient to clean: the cleaning pipe is fixedly connected with a plug, the plug is conical, the small end of the plug is fixedly connected with the cleaning pipe, and the diameter of the large end of the plug is larger than the inner diameter of the limiting ring.

Has the advantages that: the sputum collecting device can prevent sputum in the airway of a patient from being dried and crusted to form sputum scabs after entering the tube body, so that the tube body is effectively prevented from being blocked, meanwhile, part of the sputum can be contained between the two air bags, the amount of the sputum entering the tube body is reduced, the blockage caused by the accumulation of a large amount of the sputum in the airway of the patient is avoided, the airway of the patient is ensured to be smooth, and the sputum collecting device is convenient to clean.

Drawings

FIG. 1 is a schematic view of a prior art endotracheal tube;

FIG. 2 is a schematic view of the overall structure of the present invention;

FIG. 3 is a schematic view of the arrangement of the inner permeable layer and the first one-way valve;

fig. 4 is a schematic view of the fitting of the cleaning tube and the tube body.

Description of the drawings: the device comprises a connector 1, a pipe body 2, an inflation pipe 3, an inflation device 4, a support bag 5, a liquid guide pipe 6, an air bag 7, a liquid bag 8, an outer permeable layer 9, an inner permeable layer 10, a first one-way valve 11, an insertion end 12, a fillet 13, a communicating pipe 14, an expansion block 15, an arc-shaped edge 16, a mounting frame 17 and a mounting plate 18.

Detailed Description

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

Referring to fig. 1 to 4, the trachea cannula which is not easy to block and convenient to clean comprises a tube body 2, two air bags 7 and a liquid bag 8 are fixedly connected to the outer wall of the tube body 2, a distance is reserved between the two air bags 7, the two air bags 7 are communicated through a plurality of communicating tubes 14, one air bag 7 is communicated with an inflation tube 3, the liquid bag 8 is communicated with a liquid guide tube 6, the liquid bag 8 is strip-shaped, two ends of the liquid bag 8 respectively extend into the two air bags 7, a plurality of through holes are further formed in the tube body 2 and communicated with the liquid bag 8, and a permeation layer 10 inside the through holes is fixedly arranged in the through holes.

When the inflatable tube is used, firstly, the inflatable tube 3 is communicated with the inflating device 4, the liquid guide tube 6 is communicated with the liquid conveying device, then the tube body 2 is inserted into the airway of a patient, after the tube body 2 reaches a target position, the air bags 7 are inflated by the inflating device 4 through the inflatable tube 3, the two air bags 7 are communicated through the communicating tube 14, so that the two air bags 7 can be smoothly filled, the air bags 7 are tightly attached to the airway of the patient after being filled, and then air is supplied to the patient through the tube body 2. After using the certain period, carry liquid to liquid bag 8 through liquid conveyor, after being full of liquid in liquid bag 8, liquid permeates into body 2 through inside permeable formation 10 gradually, the liquid that enters into body 2 can continuously carry out the humidification to the sputum that enters into body 2, thereby avoid the dry and hard sputum to form the sputum scab, and then avoid the sputum scab to block up body 2, guarantee can continuously to the patient air feed, and the air can carry out the humidification to the air with liquid contact when flowing through body 2, further avoid forming the sputum scab. On the other hand, because leave the distance between two gasbag 7, so the partial sputum of patient's air flue secretion can enter into between two gasbag 7, avoid this partial sputum direct flow to body 2 in, reduce the sputum volume in body 2, promote the effect of avoiding the sputum scab to form, guarantee that body 2 is unobstructed, and then guarantee to ventilate smoothly in to patient's air flue, in addition, the sputum after the humidification is taken out more easily, thereby can conveniently utilize the sputum suction tube to clean trachea cannula.

The sputum-collecting device can prevent sputum in the airway of a patient from being dried and crusted to form sputum scabs after entering the tube body 2, so that the tube body 2 is effectively prevented from being blocked, meanwhile, part of the sputum can be contained between the two air bags 7, the amount of the sputum entering the tube body 2 is reduced, the blockage caused by the accumulation of a large amount of the sputum in the airway of the patient is avoided, the airway of the patient is ensured to be smooth, and the device is convenient to clean.

The liquid bag 8 and the air bag 7 are arranged in a specific mode: the tube body 2 passes through the liquid bag 8 and the air bag 7, and the tube body 2 is fixedly connected with both the liquid bag 8 and the air bag 7. Pass liquid bag 8 and gasbag with body 2, can make liquid bag 8 and gasbag 7 distribute in 2 week sides of body, on the one hand can guarantee gasbag 7 and patient's air flue contact completely, and then make body 2 be located the middle part of patient's air flue, reduce the inside sputum volume of entering into body 2, promote the effect of preventing blockking up, on the other hand can also make liquid evenly distributed in liquid bag 8 in body 2 week side, guarantee that every inside permeable formation 10 can both be to body 2 in infiltration liquid, ensure to moisten the sputum in body 2, and then promote the effect of preventing blockking up.

Since the inflation tube 3 is communicated with only one of the air bags 7, in order to ensure that the other air bag 7 can be rapidly and uniformly inflated in the inflation process, the communication tubes 14 are provided in plurality, the plurality of communication tubes 14 are uniformly distributed in the circumferential direction of the tube body 2, and the communication tubes 14 are positioned on the circumferential side of the liquid bag 8. A plurality of communicating pipes 14 can inflate to a plurality of positions of gasbag 7 simultaneously to guarantee that gasbag 7 can evenly expand, avoid causing body 2 to buckle at the inflation in-process, and then avoid body 2 to buckle the back insert end 12 stabs in patient's air flue and causes the patient uncomfortable.

The inner permeable layer 10 is specifically configured as follows: the fixed installing frame 17 that is provided with in the through-hole, the fixed inboard that sets up at installing frame 17 of inside permeable formation 10, the inboard of installing frame 17 still is provided with mounting panel 18, mounting panel 18 and installing frame 17 fixed connection have seted up the mounting hole on the mounting panel 18, fixedly in the mounting hole being provided with first check valve 11, and the direction that switches on of first check valve 11 is from liquid bag 8 to body 2. At clear in-process, need carry a large amount of liquid through liquid bag 8 in to body 2, and the infiltration efficiency of internal permeable formation 10 is limited, set up first check valve 11 in can flowing into body 2 fast for guaranteeing liquid, when liquid delivery volume is less, liquid can't be run against first check valve 11 and open, thereby can permeate to body 2 slowly through internal permeable formation 10, when liquid delivery volume is great, liquid can be run against first check valve 11 and open, thereby it cleans body 2 to flow into in body 2 fast.

In order to avoid being accomodate the sputum dry knot between two gasbag 7 and form a large amount of sputum scab, seted up a plurality of infiltration hole on the liquid bag 8, fixed being provided with outside permeable formation 9 in the infiltration hole, outside permeable formation 9 is located between two gasbag 7. After being full of liquid in the liquid bag 8, liquid except permeating to body 2 through inside permeable formation 10, can also permeate between two gasbag 7 through outside permeable formation 9, wets the sputum between two gasbag 7, avoids forming the sputum scab.

In order to avoid the insertion end of the tube 2 from puncturing the patient's airways during insertion of the tube 2 into the patient's airways, the insertion end 12 of the tube 2 is tapered and the tapered tip is provided with a rounded corner 13.

In order to avoid the danger caused by the overlong interruption of ventilation time in the process of utilizing the sputum suction tube to suck sputum, at least one second one-way valve 16 is embedded in the part, close to the insertion end 12, of the tube body 2, the second one-way valve 16 is communicated with one air bag 7 close to the insertion end 12, and the communication direction of the second one-way valve 16 is from the air bag 7 to the tube body 2. When the phlegm needs to be inhaled, the sputum suction pipe is inserted into the pipe body 2, then short-time suction is carried out, after the suction is finished, the ear mode of the ventilation amount of the ventilation device 4 is lifted to enable gas to flush the second one-way valve 16, and then the gas can flow into the airway of a patient through the second one-way valve 16 and the pipe body 2, then the ventilation amount of the ventilation device 4 is reduced, the second one-way valve 16 is automatically closed, the ventilation is interrupted, and then the sputum suction pipe is reused to carry out short-time suction. Through many times short time suction and ventilation, can take out the sputum in patient's air flue and the body 2 under the condition of guaranteeing that the patient breathes.

In order to avoid the damage of the airway of the patient caused by over expansion of the air bag 7 when the ventilation volume is increased, a pull rope 15 is connected between the air bag 7 and the tube body 2, the pull rope 15 is used for limiting the expansion amplitude of the air bag 7, and the air bag 7 cannot be continuously expanded when the pull rope 15 is tensioned, so that the airway of the patient is protected.

Although can take the sputum in body 2 out through inhaling the phlegm pipe, because sputum itself viscosity is higher, consequently can produce the residue in body 2 unavoidably, and can produce the residue of large tracts of land on the inner wall of body 2 along with inhaling the removal of phlegm pipe, and this partial remaining sputum volume is very few, consequently, form the sputum scab more easily, in order to clear away this partial sputum scab, body 2 inside detachably is connected with cleaning tube 21, at least one inlet opening 22 has been seted up on cleaning tube 21, the fixed spacing ring 19 that is used for carrying on spacingly to cleaning tube 21 that is provided with of part that the end 12 is inserted to the inner wall of body 2 is close to. When the cleaning device is used, the cleaning pipe 21 is inserted into the pipe body 2, then liquid flows into the pipe body 2 through the first one-way valve 11 in a mode of increasing liquid conveying capacity, the liquid flows into the cleaning pipe 21 through the water inlet hole 22 after the pipe body 2 is cleaned, and the cleaning pipe 21 can be communicated with a liquid pumping device to pump the liquid out of the cleaning pipe 21. The limiting ring 19 is used for limiting the cleaning tube 21, and the cleaning tube 12 is prevented from excessively penetrating deeply to damage the airway of the patient. During the cleaning process, the ventilation volume of the ventilation device 4 can be increased to ensure that the air enters the airway of the patient through the second one-way valve 16, so that the danger caused by long-time ventilation interruption is avoided.

In order to avoid liquid from flowing into the airway of a patient when the tube body 2 is cleaned, the cleaning tube 21 is fixedly connected with the plug 20, the plug 20 is conical, the small end of the plug 20 is fixedly connected with the cleaning tube 21, and the diameter of the large end of the plug 20 is larger than the inner diameter of the limiting ring 19. The stopper 20 is used to close the tube body 2, so as to ensure that the liquid can only flow out of the patient and then flow into the cleaning tube 21 through the water inlet 22. Under the condition that the pipe body 2 is completely sealed by the plug 20, the liquid conveying amount can be increased, so that the pipe body 2 is washed, and the cleaning effect is improved. On the other hand, in the process of extracting the cleaning tube 21 from the tube body 2, the plug 20 can also push out the liquid remained in the tube body 2 to the outside of the tube body 2, and the liquid extracting device is matched to prevent the liquid from remaining in the tube body 2, so that the liquid is prevented from flowing into the airway of the patient.

In the present invention, the inflation device 4 may be a matching device similar to the conventional endotracheal tube, the liquid delivery devices may be conventional medical devices such as automatic syringes, the outer permeable layer 9 and the inner permeable layer 10 may be porous materials such as medical sponges, and the liquid may be physiological saline.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a difficult clear trachea cannula of blockking up and being convenient for, includes body (2), its characterized in that: two gasbags (7) of fixedly connected with and a liquid bag (8) on the outer wall of body (2), leave the distance between two gasbags (7), and two gasbags (7) are linked together through a plurality of communicating pipe (14), one of them gasbag (7) intercommunication has gas tube (3), liquid bag (8) intercommunication has liquid honeycomb duct (6), liquid bag (8) are the strip and the both ends of liquid bag (8) stretch into two gasbags (7) respectively, a plurality of through-hole has still been seted up on body (2), the through-hole is linked together with liquid bag (8), fixed being provided with inside permeable formation (10) in the through-hole.

2. A less obstructive and easier to clean endotracheal tube according to claim 1, characterized in that: the tube body (2) penetrates through the liquid bag (8) and the air bag (7), and the tube body (2) is fixedly connected with the liquid bag (8) and the air bag (7).

3. A less obstructive and easier to clean endotracheal tube according to claim 2, characterized in that: the communicating pipes (14) are arranged in a plurality of numbers, the communicating pipes (14) are evenly distributed along the circumferential direction of the pipe body (2), and the communicating pipes (14) are positioned on the circumferential side of the liquid bag (8).

4. A less obstructive and easier to clean endotracheal tube according to claim 1, characterized in that: the fixed installing frame (17) that is provided with in the through-hole, fixed the setting in the inboard of installing frame (17) of inside permeable formation (10), the inboard of installing frame (17) still is provided with mounting panel (18), mounting panel (18) and installing frame (17) fixed connection, the mounting hole has been seted up on mounting panel (18), fixedly in the mounting hole being provided with first check valve (11), and the direction of switching on of first check valve (11) is for following liquid bag (8) body (2).

5. A less obstructive and easier to clean endotracheal tube according to claim 1, characterized in that: a plurality of penetration holes are formed in the liquid bag (8), an outer penetration layer (9) is fixedly arranged in each penetration hole, and the outer penetration layer (9) is located between the air bags (7).

6. A less obstructive and easier to clean endotracheal tube according to claim 1, characterized in that: the inserting end (12) of the pipe body (2) is conical, and a round angle (13) is arranged at the tip of the conical shape.

7. A less obstructive and easier to clean endotracheal tube according to claim 1, characterized in that: at least one second one-way valve (16) is embedded in the part, close to the insertion end (12), of the pipe body (2), the second one-way valve (16) is communicated with one air bag (7) close to the insertion end (12), and the communication direction of the second one-way valve (16) is from the air bag (7) to the pipe body (2).

8. An endotracheal tube of claim 7 which is less prone to clogging and facilitates cleaning, characterized in that: the cleaning pipe (21) is detachably connected to the inner portion of the pipe body (2), at least one water inlet hole (22) is formed in the cleaning pipe (21), and a limiting ring (19) used for limiting the cleaning pipe (21) is fixedly arranged on the portion, close to the insertion end (12), of the inner wall of the pipe body (2).

9. An endotracheal tube of claim 8 which is less prone to clogging and facilitates cleaning, characterized in that: the cleaning pipe (21) is fixedly connected with a plug (20), the plug (20) is conical, the small end of the plug (20) is fixedly connected with the cleaning pipe (21), and the diameter of the large end of the plug (20) is larger than the inner diameter of the limiting ring (19).