CN217612362U

CN217612362U - Multifunctional trachea cannula catheter

Info

Publication number: CN217612362U
Application number: CN202121594135.7U
Authority: CN
Inventors: 杜润滋; 刘芳; 白义凤
Original assignee: West China Hospital of Sichuan University
Current assignee: West China Hospital of Sichuan University
Priority date: 2021-07-14
Filing date: 2021-07-14
Publication date: 2022-10-21
Anticipated expiration: 2031-07-14

Abstract

The utility model discloses a multifunctional trachea cannula catheter, which comprises a catheter body, a cuff group, a catheter inner tube and an oval part. One end of the catheter body is provided with a mouth pad, the mouth pad comprises a flange part and a bite block part, a gas channel is arranged at the center of the catheter and is connected with a first oxygen tube connector, the side wall of the catheter body is provided with a drug administration tube, a first inflation tube, a second inflation tube, a first sputum suction tube and a second sputum suction tube, and the side wall of the catheter body is provided with a drug administration port which is connected with the drug administration tube; the cuff group comprises a first cuff and a second cuff, the first cuff is connected with a first inflation tube, and the second cuff is connected with a second inflation tube; the elliptical piece is arranged at the front end of the catheter body or the catheter inner tube and is provided with one or two vent holes; the outer side wall of the catheter body is provided with a first sputum suction hole and a second sputum suction hole. The trachea cannula has the advantages of avoiding local long-time compression of the mucosa wall of the trachea, having the function of sputum suction, prolonging the time for taking the trachea and improving the comfort level of the trachea cannula of a patient.

Description

Multifunctional trachea cannula catheter

Technical Field

The utility model relates to the technical field of medical treatment and health, especially, relate to a multi-functional trachea cannula pipe.

Background

The tracheal intubation is a technique of placing a special catheter into a trachea through a glottis, and the technique can provide optimal conditions for smooth airway, ventilation and oxygen supply, respiratory tract suction, prevention of aspiration and the like. At present, most of the catheters used clinically are single-balloon catheter bodies or inner and outer double-layer cuff sleeves, and are not suitable for patients to be intubated for a long time, and patients to be intubated for a long time generally need to make tracheotomy to ensure ventilation of the patients, so that pain is brought to the patients, and even the risk of tracheal stenosis is caused.

During clinical use, tracheal intubation often has more problems: 1) Improper tube selection, discomfort or damage to patients and waste caused by tube replacement; 2) The catheter of the patient is damaged after being left for too long, so that infection is caused; 3) The size of the tube cavity of the catheter is fixed, and the tube wall, the oral cavity and the tracheal mucosa are rubbed with the patient along with the movement or turning over of the patient, so that the patient is uncomfortable; 4) Some patients may unplug the catheter unconsciously or inadvertently; 5) The sputum of the patient is more, and the sputum is difficult to be discharged after the catheter is inserted; 6) Sometimes, the lungs of a patient need different treatment modes, for example, the left lung is healthy, and when the right lung collapses seriously, the left lung is injected with a small amount of oxygen, while the right lung needs more oxygen, and the prior art rarely distinguishes the left lung and the right lung to realize tracheal intubation with different ventilation modes.

SUMMERY OF THE UTILITY MODEL

For solving prior art not enough, the utility model provides a multi-functional trachea cannula pipe can avoid the local long-time pressurized of trachea mucosa wall, can also inject oxygen into for patient's about the lung lobe respectively, has the phlegm function of inhaling, can also prevent secretion such as sputum entering pipe, and extension tape tube time improves patient's trachea cannula's comfort level.

In order to realize the purpose of the utility model, the following scheme is planned to be adopted:

a multifunctional trachea cannula catheter comprises a catheter body, a cuff group, a catheter inner tube and an oval piece.

The shape of the catheter body is set to be arc-shaped, the size of the arc-shaped body is set according to the structure of a human trachea, one end of the catheter body is provided with a mouth pad, the mouth pad comprises a flange part and a bite block part, the flange part is set to be straight-groove mouth-shaped, one end of the mouth pad is the rear end of the trachea cannula catheter, the other end of the catheter body is the front end of the trachea cannula catheter, the center of the catheter body is provided with a gas channel, the side wall of the catheter body is provided with a drug administration tube, a first inflation tube, a second inflation tube, a first sputum suction tube and a second sputum suction tube, and the side wall of the catheter body is provided with a drug administration port which is connected with the drug administration tube in the direction from the front end to the rear end;

the cuff group comprises a first cuff and a second cuff, the first cuff is positioned at the front end, the first cuff and the second cuff are sequentially arranged on the outer side wall of the catheter body from the front end to the rear end, a preset interval is arranged between the first cuff and the second cuff, the first cuff is connected with a first inflation tube, and the second cuff is connected with a second inflation tube;

the side wall of the catheter inner tube is provided with a third inflation tube, the outer side wall of the catheter inner tube is provided with a cuff III, the cuff III is connected with the third inflation tube, and the length of the catheter inner tube is larger than that of the catheter body;

the elliptic piece is arranged at the front end of the catheter body or the inner tube of the catheter, the long axis direction of the elliptic piece is the same as that of the tracheal intubation catheter, and one or two vent holes are formed in the elliptic piece along the long axis direction of the elliptic piece;

the outer side wall of the catheter body is sequentially provided with a first sputum suction hole and a second sputum suction hole, the first sputum suction hole is located at the first front end of the cuff, the first sputum suction hole is connected with a first sputum suction pipe, the second sputum suction hole is located between the first cuff and the second cuff, and the second sputum suction hole is connected with a second sputum suction pipe.

Furthermore, the medicine feeding port is provided with an annular bag, the outer diameter of the annular bag is smaller than the diameter of the bag sleeving group when the bag sleeving group is filled with gas, the annular bag is communicated with the medicine feeding pipe, the side wall of the annular bag is provided with a plurality of medicine discharging holes, and the holes of the medicine discharging holes are smaller than the medicine feeding port.

Furthermore, a first oxygen pipe joint is arranged on the outer side of the flange part, the gas channel is connected with the first oxygen pipe joint, and a second oxygen pipe joint is arranged at the rear end of the inner pipe of the catheter.

Furthermore, the side wall of the catheter body is also provided with a body temperature transmission line tube, and the front end of the catheter body is provided with a body temperature probe which is connected with the body temperature transmission line tube.

Furthermore, a carbon dioxide sensor and an oxygen sensor are arranged at the opposite positions of the inner wall of the oval part.

Furthermore, pressure sensors are arranged in the first cuff, the second cuff and the third cuff.

Furthermore, a circle of tooth socket is arranged on the outer layer of the bite block part.

Furthermore, two ends of the flange part are respectively provided with an elastic ring, the elastic rings are used for being hung on ears of a patient, and sponge pieces are arranged at contact areas of the elastic rings and the ears.

Furthermore, the catheter body is provided with scale values.

Furthermore, the surface of the catheter body is provided with a super-smooth antibacterial coating, and the wall of the catheter body is also provided with anti-infection and analgesic drugs.

Furthermore, the administration tube, the first inflation tube, the second inflation tube, the first sputum suction tube, the second sputum suction tube and the body temperature transmission line tube are set to be different in color.

The beneficial effects of the utility model reside in that:

1. the pipe of prior art only has simply the function of ventilating, and the utility model discloses a pipe can avoid the local long-time pressurized of trachea mucosa wall, can also give the patient about the lung lobe inject into oxygen respectively, has the phlegm function of inhaling, can also prevent secretion such as sputum entering pipe, has prolonged and has taken the pipe time, has improved patient's trachea cannula's comfort level.

2. The two cuffs are arranged, the first cuff and the second cuff are alternately inflated or deflated at intervals to ensure that one cuff is in a sufficient state and the other cuff is in a shriveled state, and alternate inflation can avoid local long-time pressure ischemia necrosis of a trachea and improper tube selection, reduce waste, prolong tube taking time and reduce cost; pressure sensors are arranged in the first cuff and the second cuff, so that the pressure values of the first cuff and the second cuff are accurately controlled, and the situation that the cuffs explode due to over inflation to cause a series of risks is prevented.

3. The first sputum suction hole is used for sucking sputum on the lower layer of the trachea, the second sputum suction hole is used for sucking sputum on the upper layer of the trachea, particularly the sputum between the first cuff and the second cuff, and the sputum suction pipe is used for fully sucking the sputum so as to reduce the risk that endocrine in the trachea of a patient flows into the lung to cause lung infection.

4. The left lung and the right lung are rarely distinguished in the prior art, so that the tracheal intubation with different ventilation modes is realized, the utility model discloses a front end of a catheter body or a catheter inner tube is provided with an oval piece, and the oval piece is provided with one or two air vents and is respectively used for injecting oxygen into the left lung lobe and the right lung lobe of a patient.

5. In order to prevent too fast administration, the administration port is provided with an annular bag, the outer diameter of the annular bag is smaller than the diameter of the sleeve bag group when the sleeve bag group is filled with gas, the side wall of the annular bag is provided with a plurality of medicine outlet holes, the pores of the medicine outlet holes are far smaller than the administration port, and the annular bag can be used for slowly releasing the medicine into the trachea of a patient to achieve the purpose of diminishing inflammation.

6. Pipe body one end is equipped with the mouthpart and fills up, the mouthpart flange portion sets up to straight flute mouth shape, the both ends of flange portion are equipped with an elasticity ring respectively, the elasticity ring is used for hanging on patient's ear, prevent that pipe body from shifting to influence patient's the ventilation, the contact zone of elasticity ring and ear is equipped with the sponge piece, the comfort level that the elasticity ring was worn to the patient can be improved to the sponge piece, bite-block portion skin sets up round tooth's socket, and the material of tooth's socket can be the memory cotton in addition, soft rubber etc., the comfort level of improvement patient's tooth.

7. In order to reduce the damage of the catheter body to the trachea, the diameter of the catheter body is smaller than that of the trachea, and the surface of the catheter body is provided with an ultra-smooth antibacterial coating; anti-infection and analgesic drugs are mixed in the material of the catheter body, and the drugs are released in a slow-release manner for a long time in a molecular form, so that the effects of resisting infection and relieving pain for a long time are achieved, and the comfort level of a patient is improved.

Drawings

FIG. 1 is an overall configuration diagram of a catheter body according to embodiment 1;

FIG. 2 is an enlarged view of a portion of FIG. 1;

FIG. 3 is a rear end structure view of a catheter body according to embodiment 1;

FIG. 4 is a partial enlarged view of B in FIG. 3;

FIG. 5 is a structural view of the inner tube of a catheter of example 2;

fig. 6 is a structural view of the catheter inner tube and the catheter body in example 2 after they are connected.

Detailed Description

Example 1

As shown in fig. 1, the present embodiment provides a multifunctional endotracheal intubation tube, which includes a tube body 1, a cuff group 2, and an oval-shaped member 9, where the oval-shaped member 9 is disposed on the tube body 1.

Specifically, the appearance of pipe body 1 sets up to the arc, the arc size sets up according to the tracheal structure of human body, be equipped with the scale interval on the pipe body 1, in order to prevent that pipe body 1 from being stung and suppress deformation, be unfavorable for the patient to ventilate, pipe body 1 one end is equipped with mouth pad 3, mouth pad 3 includes flange portion 31 and bite-block portion 32, flange portion 31 sets up to straight flute mouth shape, the one end that mouth pad 3 locates is the rear end of trachea cannula pipe, the other end of pipe body 1 is the front end of trachea cannula pipe.

Specifically, edge of a wing portion 31 sets up to straight flute kou shape, the both ends of edge of a wing portion 31 are equipped with an elasticity ring respectively, elasticity ring is used for hanging on patient's ear, prevent that pipe body 1 from shifting to influence patient's the ventilation, the contact zone of elasticity ring and ear is equipped with the sponge piece, the comfort level that elasticity ring was worn to the patient can be improved to the sponge piece, as shown in fig. 4, it is preferred, bite-block portion 32 skin sets up round tooth's socket 33, and the outer material of bite-block portion 32 can be the memory cotton in addition, soft rubber etc., improve the comfort level of patient's tooth.

Specifically, the outer side of the flange part 31 is provided with a first oxygen pipe joint 41, the center of the catheter body 1 is provided with a gas passage, the gas passage is connected with the first oxygen pipe joint 41, and the gas passage is used for providing oxygen for a patient or facilitating the patient to discharge carbon dioxide.

Specifically, as shown in fig. 3 and 4, the side wall of the catheter body 1 is provided with an administration tube 5, a first inflation tube 61, a second inflation tube 62, a first sputum suction tube 81, a second sputum suction tube 82 and a body temperature transmission line tube 7, the side wall of the catheter body 1 is provided with an administration port 51, the administration port 51 is connected with the administration tube 5, and in order to distinguish the tubes, the administration tube 5, the first inflation tube 61, the second inflation tube 62, the first sputum suction tube 81, the second sputum suction tube 82 and the body temperature transmission line tube 7 are set to be different colors.

Specifically, as shown in fig. 2, the cuff group 2 comprises a first cuff 21 and a second cuff 22, the cuff group 2 is located at the front end, in the direction from the front end to the rear end, the first cuff 21 and the second cuff 22 are sequentially arranged on the outer side wall of the catheter body 1, a preset interval is arranged between the first cuff 21 and the second cuff 22, the first cuff 21 is connected with the first inflating tube 61, the second cuff 22 is connected with the second inflating tube 62, the first cuff 21 and the second cuff 22 are alternately inflated or deflated at intervals, it is ensured that one cuff is in a sufficient state, the other cuff is in a dry-deflated state, and the alternate inflation can avoid the ischemic necrosis of the local part of the trachea due to long-time pressure.

More specifically, as shown in fig. 2, the elliptical member 9 is provided at the front end of the pipe body 1, the long axis direction of the elliptical member 9 is the same as that of the pipe body 1, and the elliptical member 9 is provided with one or two vent holes 91 along the long axis direction of the elliptical member 9.

Sometimes, the lungs of the patient need different treatment methods, for example, the left lung is healthy, and when the collapse of the right lung is severe, the left lung is injected with a small amount of oxygen, and the right lung needs more oxygen. In the prior art, the left lung and the right lung are rarely distinguished to realize tracheal intubation with different ventilation modes, so that the positions of the ventilation holes 91 of the utility model have three conditions, two ventilation holes 91 are symmetrically arranged, and the two ventilation holes 91 are positioned at the two ends of the flange part 31 and are respectively used for injecting oxygen into the left lung lobe and the right lung lobe of a patient; or only one vent hole 91 is arranged at the position of the left lung; alternatively, only one ventilation hole 91 may be provided at the right lung.

The prior art is directly to insert the fiberoptic bronchoscope into the patient trachea, and the discomfort or the injury that bring for the patient, in this embodiment, the oval 9 center is equipped with through hole 93, is convenient for insert the fiberoptic bronchoscope through pipe body 1, and easy operation is high-efficient, reduces patient's discomfort.

Specifically, as shown in fig. 2, the outer side wall of the catheter body 1 is sequentially provided with a first sputum suction hole 13 and a second sputum suction hole 14, the first sputum suction hole 13 is located at the front end of the first 21 cuff, the first sputum suction hole 13 is connected with a first sputum suction pipe 81, the second sputum suction hole 14 is located between the first 21 cuff and the second 22 cuff, the second sputum suction hole 14 is connected with a second sputum suction pipe 82, the first sputum suction hole 13 is used for sucking sputum at the lower layer of the trachea, the second sputum suction hole 14 is used for sucking sputum at the upper layer of the trachea, and particularly the sputum between the first 21 cuff and the second 22 cuff.

The two cuffs are positioned below the glottis and in the trachea, the first cuff 21 and the second cuff 22 are alternately inflated, after the first cuff 21 is inflated for 4-6 hours, and before the first cuff 21 is inflated, the second sputum suction pipe 82 is used for fully sucking sputum to reduce the risk of lung infection caused by the fact that the tracheal secretion of a patient flows into the lung.

More specifically, pressure sensors are arranged in the first cuff 21 and the second cuff 22, so that the pressure values of the first cuff 21 and the second cuff 22 can be accurately controlled, and the situation that the cuffs are exploded due to over inflation to cause a series of risks is prevented.

More specifically, the front end of the catheter body 1 is provided with a body temperature probe 71, the body temperature probe 71 is connected with the body temperature transmission line tube 7, and the body temperature probe 71 is connected with a monitor through the body temperature transmission line tube 7 and a connector so as to monitor the body temperature.

More specifically, in order to prevent the excessive administration, an annular bag 52 is arranged at the administration port 51, the outer diameter of the annular bag 52 is smaller than the diameter of the cuff group 2 when the cuff group is filled with gas, the annular bag 52 is communicated with the administration tube 5, a plurality of medicine outlet holes are formed in the side wall of the annular bag 52, the pores of the medicine outlet holes are far smaller than the administration port 51, and the annular bag 52 can be used for slowly releasing the medicine into the trachea of a patient to achieve the purpose of diminishing inflammation.

More specifically, 9 inner wall relative positions of oval piece are equipped with carbon dioxide sensor, oxygen sensor, are used for detecting carbon dioxide content, the oxygen content of 1 front end of pipe body respectively, and the alarm is still furnished with to this embodiment in addition, and on the monitor can be located to the alarm, when carbon dioxide content, oxygen content exceeded the scope of predetermineeing, the alarm sent the police dispatch newspaper sound, and the medical staff of being convenient for in time adjusts gas flow and velocity of flow.

More specifically, the surface of the catheter body 1 is provided with an ultra-smooth antibacterial coating to reduce the damage of the catheter body to the trachea, the wall of the catheter body 1 is also provided with anti-infection and analgesic drugs, and the drugs are released in a molecular form in a sustained release manner for a long time to achieve the effects of resisting infection and relieving pain for a long time, so as to improve the comfort level of patients.

In use, the present embodiment requires selection of an appropriate endotracheal tube taking into account a number of factors: firstly, selecting a catheter body 1 with a proper bending radian according to the basic condition of a patient, secondly, selecting a catheter body 1 with a proper length by considering whether a fiber bronchoscope needs to be inserted in the later period, and if the fiber bronchoscope needs to be inserted, selecting a catheter body 1 which is slightly shorter than the length of the catheter body 1 by 0.5 to 1cm; then considering the illness state of the left and right lungs, selecting the catheter body 1 with one or two vent holes 91; the angle of the catheter body 1 is determined, and the catheter body is slowly inserted into the oral cavity of a patient to ensure that the vent hole 91 is positioned at a preset position; the patient bites the cushion part 32 by the teeth, and the elastic ring is hung on the ear of the patient; after the pipes are connected, inflating the first cuff 21, and alternately inflating the first cuff 21 and the second cuff 22 for a preset time period; an appropriate amount of anti-inflammatory drugs are released into the trachea of the patient by using the administration tube 5 to assist in diminishing inflammation; the first sputum suction pipe 81 and the second sputum suction pipe 82 are used for sucking sputum at regular time; when the fiberbronchoscope is inserted, the fiberbronchoscope is inserted into the gas passage from the preformed hole on the side wall of the catheter body 1, and enters the trachea of the patient through the through hole 93 for observation.

Example 2

As shown in fig. 5, this embodiment provides another multifunctional endotracheal intubation tube, which has substantially the same structure as that of embodiment 1, and the description of the same parts is omitted, except that: also comprises a catheter inner tube 110, and the oval piece 9 is arranged at the front end of the catheter inner tube 110.

Specifically, as shown in fig. 6, a second oxygen pipe joint 111 is provided at the rear end of the inner pipe 110 of the catheter, the inner pipe 110 of the catheter is provided in the gas passage, and the length of the inner pipe 110 of the catheter is longer than that of the catheter body 1.

Specifically, the elliptical member 9 has the same major axis direction as the catheter inner tube 110, and one or two vent holes 91 are formed in the elliptical member 9 along the major axis direction of the elliptical member 9, and the through hole 93 is not formed in the center of the elliptical member 9.

More specifically, as shown in fig. 5, a third inflation tube 113 is arranged on the side wall of the catheter inner tube 110, a third cuff 112 is arranged on the outer side wall of the catheter inner tube 110, the third cuff 112 is connected with the third inflation tube 113, and a pressure sensor is arranged in the third cuff 112.

During the operation of a patient, firstly, the catheter body 1 is inserted into the oral cavity of the patient; the catheter inner tube 110 is then inserted into the catheter body 1; then the third cuff 112 is inflated to be tightly attached to the inner wall of the catheter body 1, and then oxygen is supplemented to the patient through the inner tube 110 of the catheter; then, the cuff three 112 is deflated to flatten it, the catheter inner tube 110 is slowly deflated, and finally the patient is replenished with oxygen through the catheter body 1.

The above embodiments are only used to illustrate the technical ideas and features of the present invention, and do not represent the only or limiting embodiments of the present invention. It should be understood by those skilled in the art that various changes and equivalent substitutions made herein may be made without departing from the scope of the invention as defined by the appended claims.

Claims

1. The multifunctional tracheal intubation catheter is characterized by comprising a catheter body (1), a cuff group (2), a catheter inner tube (110) and an oval-shaped piece (9);

the shape of the catheter body (1) is set to be arc-shaped, the size of the arc-shaped shape is set according to the structure of a human trachea, one end of the catheter body (1) is provided with a mouth pad (3), the mouth pad (3) comprises a flange part (31) and a bite block part (32), the flange part (31) is set to be straight notch-shaped, one end of the mouth pad (3) is the rear end of the trachea cannula catheter, the other end of the catheter body (1) is the front end of the trachea cannula catheter, a gas channel is arranged in the center of the catheter body (1), the side wall of the catheter body (1) is provided with a drug delivery tube (5), a first inflation tube (61), a second inflation tube (62), a first sputum suction tube (81) and a second sputum suction tube (82), and the drug delivery port (51) is arranged on the side wall of the catheter body (1) from the front end to the rear end and connected with the drug delivery tube (5);

the cuff group (2) comprises a first cuff (21) and a second cuff (22), the cuff group (2) is located at the front end, the first cuff (21) and the second cuff (22) are sequentially arranged on the outer side wall of the catheter body (1) from the front end to the rear end, a preset interval is arranged between the first cuff (21) and the second cuff (22), the first cuff (21) is connected with the first inflation tube (61), and the second cuff (22) is connected with the second inflation tube (62);

a third inflation tube (113) is arranged on the side wall of the catheter inner tube (110), a cuff III (112) is arranged on the outer side wall of the catheter inner tube (110), the cuff III (112) is connected with the third inflation tube (113), and the length of the catheter inner tube (110) is larger than that of the catheter body (1);

the elliptic piece (9) is arranged at the front end of the catheter body (1) or the catheter inner tube (110), the long axis direction of the elliptic piece (9) is the same as that of the tracheal intubation catheter, and one or two vent holes (91) are formed in the elliptic piece (9) along the long axis direction of the elliptic piece (9);

catheter body (1) lateral wall is equipped with first phlegm hole (13) and the second in proper order and inhales phlegm hole (14), first phlegm hole (13) of inhaling is located cuff (21) front end, first phlegm hole (13) of inhaling is connected first phlegm pipe (81) of inhaling, the second is inhaled phlegm hole (14) and is located cuff (21) with between cuff two (22), the second is inhaled phlegm hole (14) and is connected phlegm pipe (82) are inhaled to the second.

2. The multifunctional endotracheal intubation tube according to claim 1, characterized in that an annular sac (52) is provided at the administration port (51), the outer diameter of the annular sac (52) is smaller than the diameter of the cuff set (2) when the cuff set is filled with gas, the annular sac (52) is communicated with the administration tube (5), a plurality of medicine outlet holes are provided on the side wall of the annular sac (52), and the medicine outlet holes have smaller pores than the administration port (51).

3. The multifunctional endotracheal intubation tube according to claim 1 or 2, characterized in that a first oxygen tube connector (41) is provided outside the flange portion (31), the gas passage is connected to the first oxygen tube connector (41), and a second oxygen tube connector (111) is provided at the rear end of the tube inner tube (110).

4. The multifunctional trachea cannula catheter according to claim 1, wherein a body temperature transmission line tube (7) is further arranged on the side wall of the catheter body (1), a body temperature probe (71) is arranged at the front end of the catheter body (1), and the body temperature probe (71) is connected with the body temperature transmission line tube (7).

5. The multifunctional endotracheal intubation tube according to claim 1, characterized in that the oval shaped member (9) is provided with a carbon dioxide sensor, an oxygen sensor in opposite positions on its inner wall.

6. The multifunctional endotracheal intubation tube according to claim 1, characterized in that pressure sensors are provided in the first cuff (21), the second cuff (22) and the third cuff (112).

7. The multifunctional endotracheal intubation tube according to claim 1, characterized in that the outer layer of the teeth cushion portion (32) is provided with a ring of teeth grooves (33).