CN113289188A - Multifunctional trachea cannula catheter - Google Patents

Multifunctional trachea cannula catheter Download PDF

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Publication number
CN113289188A
CN113289188A CN202110793637.0A CN202110793637A CN113289188A CN 113289188 A CN113289188 A CN 113289188A CN 202110793637 A CN202110793637 A CN 202110793637A CN 113289188 A CN113289188 A CN 113289188A
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China
Prior art keywords
cuff
catheter
tube
catheter body
side wall
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CN202110793637.0A
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CN113289188B (en
Inventor
杜润滋
刘芳
白义凤
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West China Hospital of Sichuan University
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West China Hospital of Sichuan University
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
    • A61M16/04—Tracheal tubes
    • A61M16/0402—Special features for tracheal tubes not otherwise provided for
    • A61M16/0404—Special features for tracheal tubes not otherwise provided for with means for selective or partial lung respiration
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
    • A61M16/04—Tracheal tubes
    • A61M16/0434—Cuffs
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
    • A61M16/04—Tracheal tubes
    • A61M16/0463—Tracheal tubes combined with suction tubes, catheters or the like; Outside connections
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
    • A61M16/04—Tracheal tubes
    • A61M16/0475—Tracheal tubes having openings in the tube
    • A61M16/0477—Tracheal tubes having openings in the tube with incorporated means for delivering or removing fluids
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
    • A61M16/04—Tracheal tubes
    • A61M16/0488—Mouthpieces; Means for guiding, securing or introducing the tubes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M31/00—Devices for introducing or retaining media, e.g. remedies, in cavities of the body

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  • Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Anesthesiology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Emergency Medicine (AREA)
  • Vascular Medicine (AREA)
  • Otolaryngology (AREA)
  • Media Introduction/Drainage Providing Device (AREA)

Abstract

The invention discloses a multifunctional trachea cannula catheter which comprises a catheter body, a cuff group, a catheter inner tube and an oval piece. 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 the first inflation tube, and the second cuff is connected with the 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. Avoid the local long-time pressurized of trachea mucosa wall, have and inhale phlegm function, prolong the time of taking the pipe, improve patient's trachea cannula's comfort level.

Description

Multifunctional trachea cannula catheter
Technical Field
The invention relates to the technical field of medical treatment and health, in particular to a multifunctional trachea cannula catheter.
Background
The trachea cannula is a technology for placing a special catheter into a trachea through a glottis, and the technology can provide optimal conditions for smooth air passage, ventilation and oxygen supply, respiratory tract suction, prevention of aspiration and the like. At present, most of the clinically used catheters 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 perform tracheotomy to ensure ventilation of the patients, so that pain is increased for 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 kept in place for too long time, so that injury occurs and infection is caused; 3) the size of the catheter lumen is fixed, and the catheter wall, the oral cavity and the tracheal mucosa are rubbed with the patient along with the movement or the 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.
Disclosure of Invention
In order to solve the defects of the prior art, the invention provides the multifunctional trachea cannula catheter, which can prevent the local long-time compression of the trachea mucosa wall, can also inject oxygen into the left lung lobe and the right lung lobe of a patient respectively, has a sputum suction function, can also prevent secretion such as sputum and the like from entering the catheter, prolongs the time for taking the catheter, and improves the comfort level of the trachea cannula of the patient.
In order to realize the purpose of the invention, the following scheme is adopted:
a multifunctional trachea cannula catheter comprises a catheter body, a cuff group, a catheter inner tube and an oval-shaped 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 inner tube of the catheter is provided with a third inflation tube, the outer side wall of the inner tube of the catheter is provided with a third cuff, the third cuff is connected with the third inflation tube, and the length of the inner tube of the catheter is larger than that of the catheter body;
the elliptic piece is arranged at the front end of the catheter body or the catheter inner tube, the long axis direction of the elliptic piece is the same as that of the tracheal intubation catheter, and the elliptic piece is provided with one or two vent holes 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 invention has the beneficial effects that:
1. the catheter in the prior art only has a simple ventilation function, but the catheter of the invention can avoid the local long-time compression of the tracheal mucosa wall, can also respectively inject oxygen into the left lung lobe and the right lung lobe of a patient, has a sputum suction function, can also prevent secretion such as sputum and the like from entering the catheter, prolongs the time for taking the catheter and improves the comfort level of the tracheal cannula of the patient.
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 the 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. In the prior art, the left lung and the right lung are rarely distinguished to realize tracheal intubation with different ventilation modes.
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 molecular form in a sustained-release manner for a long time, 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 in the direction from the front end to the rear end, 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 includes 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 inflation tube 61, the second cuff 22 is connected with the second inflation tube 62, the first cuff 21 and the second cuff 22 are alternately inflated or deflated at a certain interval, 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 ischemia 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 a patient need different treatment modalities, for example, the left lung is healthy, and when the right lung collapses more severely, the left lung can be infused with a small amount of oxygen, while 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 the positions of the ventilation holes 91 are in three conditions, two ventilation holes 91 are symmetrically arranged, and the two ventilation holes 91 are positioned at 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 cuff 21, 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 cuff 21 and the second cuff 22, 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 on the lower layer of the trachea, and the second sputum suction hole 14 is used for sucking sputum on the upper layer of the trachea, especially sputum between the first cuff 21 and the second cuff 22.
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 from being too fast, the administration port 51 is provided with an annular bag 52, the outer diameter of the annular bag 52 is smaller than the diameter of the bag sleeving group 2 when being filled with gas, the annular bag 52 is communicated with the administration tube 5, the side wall of the annular bag 52 is provided with a plurality of medicine outlet holes, the holes 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 anti-inflammatory purpose.
More specifically, 9 inner wall relative positions of oval-shaped spare are equipped with carbon dioxide sensor, oxygen sensor, are used for detecting carbon dioxide content, the oxygen content of pipe body 1 front end 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 sounded, 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 stage, and if the fiber bronchoscope needs to be inserted, selecting a catheter body 1 which is slightly shorter by 0.5-1 cm; 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 a prepared 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-shaped piece 9 is arranged at the front end of the catheter inner tube 110.
Specifically, as shown in fig. 6, a second oxygen tube connector 111 is provided at the rear end of the inner tube 110 of the catheter, the inner tube 110 of the catheter is provided in the gas passage, and the length of the inner tube 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 the elliptical member 9 has one or two vent holes 91 along the major axis direction of the elliptical member 9, and the center of the elliptical member 9 is not provided with a through hole 93.
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; thereafter, 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 for illustrating the technical ideas and features of the present invention, and are not meant to be exclusive or limiting of the present invention. It will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the scope of the invention.

Claims (7)

1.一种多功能气管插管导管,其特征在于,包括导管本体(1)、套囊组(2)、导管内管(110)、椭圆形件(9);1. A multifunctional endotracheal intubation catheter, characterized in that it comprises a catheter body (1), a cuff group (2), a catheter inner tube (110), and an elliptical piece (9); 所述导管本体(1)的外形设置为弧形,所述弧形大小根据人体气管的结构设置,所述导管本体(1)一端设有口垫(3),所述口垫(3)包括翼缘部(31)和牙垫部(32),所述翼缘部(31)设置为直槽口形,所述口垫(3)所处一端为所述气管插管导管的后端,所述导管本体(1)的另一端为所述气管插管导管的前端,所述导管本体(1)中心处设有气体通道,所述导管本体(1)侧壁设有一个给药管(5)、第一充气管(61)、第二充气管(62)、第一吸痰管(81)、第二吸痰管(82),从所述前端到所述后端方向上,所述导管本体(1)侧壁设有给药口(51),所述给药口(51)连接所述给药管(5);The outer shape of the catheter body (1) is set in an arc shape, and the size of the arc shape is set according to the structure of the human trachea. One end of the catheter body (1) is provided with a mouth pad (3), and the mouth pad (3) includes A flange portion (31) and a tooth pad portion (32), the flange portion (31) is arranged in a straight notch shape, and the end where the mouth pad (3) is located is the rear end of the tracheal intubation catheter, so The other end of the catheter body (1) is the front end of the tracheal intubation catheter, the center of the catheter body (1) is provided with a gas channel, and the side wall of the catheter body (1) is provided with a drug delivery tube (5). ), the first inflatable tube (61), the second inflatable tube (62), the first suction tube (81), and the second suction tube (82), from the front end to the rear end direction, the A drug delivery port (51) is provided on the side wall of the catheter body (1), and the drug delivery port (51) is connected to the drug delivery tube (5); 所述套囊组(2)包括套囊一(21)和套囊二(22),所述套囊组(2)位于所述前端,从所述前端到所述后端方向上,所述套囊一(21)和所述套囊二(22)依次设于所述导管本体(1)外侧壁,所述套囊一(21)和所述套囊二(22)之间设有预设间隔,所述套囊一(21)连接所述第一充气管(61),所述套囊二(22)连接所述第二充气管(62);The cuff group (2) includes a first cuff (21) and a second cuff (22), the cuff group (2) is located at the front end, and in the direction from the front end to the rear end, the The first cuff (21) and the second cuff (22) are sequentially arranged on the outer side wall of the catheter body (1). Set intervals, the first cuff (21) is connected to the first inflatable tube (61), and the second cuff (22) is connected to the second inflatable tube (62); 所述导管内管(110)侧壁设有第三充气管(113),所述导管内管(110)外侧壁设有套囊三(112),所述套囊三(112)连接所述第三充气管(113),所述导管内管(110)长度大于所述导管本体(1);A third inflatable tube (113) is provided on the side wall of the inner tube of the catheter (110), and a third cuff (112) is provided on the outer side wall of the inner tube of the catheter (110), and the third cuff (112) is connected to the a third inflatable tube (113), the length of the inner tube (110) of the catheter is longer than that of the catheter body (1); 所述椭圆形件(9)设于所述导管本体(1)或者所述导管内管(110)的前端,所述椭圆形件(9)的长轴方向与所述气管插管导管相同,沿所述椭圆形件(9)的长轴方向,所述椭圆形件(9)设有一个或者两个通气孔(91);The oval-shaped member (9) is provided at the front end of the catheter body (1) or the catheter inner tube (110), and the long-axis direction of the oval-shaped member (9) is the same as that of the endotracheal intubation catheter, Along the long axis direction of the oval member (9), the oval member (9) is provided with one or two ventilation holes (91); 所述导管本体(1)外侧壁依次设有第一吸痰孔(13)和第二吸痰孔(14),所述第一吸痰孔(13)位于所述套囊一(21)前端,所述第一吸痰孔(13)连接所述第一吸痰管(81),所述第二吸痰孔(14)位于所述套囊一(21)和所述套囊二(22)之间,所述第二吸痰孔(14)连接所述第二吸痰管(82)。The outer wall of the catheter body (1) is sequentially provided with a first suction hole (13) and a second suction hole (14), and the first suction hole (13) is located at the front end of the first cuff (21). , the first suction hole (13) is connected to the first suction pipe (81), and the second suction hole (14) is located in the first cuff (21) and the second cuff (22) ), the second suction hole (14) is connected to the second suction pipe (82). 2.根据权利要求1所述的多功能气管插管导管,其特征在于,所述给药口(51)处设有一个环形囊(52),所述环形囊(52)的外径小于所述套囊组(2)充满气体时的直径,所述环形囊(52)连通所述给药管(5),所述环形囊(52)侧壁设有若干出药孔,所述出药孔的孔隙小于所述给药口(51)。2. The multifunctional tracheal intubation catheter according to claim 1, characterized in that, an annular bag (52) is provided at the drug delivery port (51), and the outer diameter of the annular bag (52) is smaller than that of the drug delivery port (51). The diameter of the cuff group (2) when it is filled with gas, the annular bag (52) is connected to the drug delivery tube (5), the side wall of the annular bag (52) is provided with a number of drug discharge holes, and the drug discharge The pores of the holes are smaller than the administration port (51). 3.根据权利要求1或4所述的多功能气管插管导管,其特征在于,所述翼缘部(31)的外侧设有第一氧气管接头(41),所述气体通道(11)连接所述第一氧气管接头(41),所述导管内管(110)的后端设有第二氧气管接头(111)。3. The multifunctional endotracheal intubation catheter according to claim 1 or 4, characterized in that, a first oxygen pipe joint (41) is provided on the outer side of the flange portion (31), and the gas channel (11) The first oxygen pipe joint (41) is connected, and the rear end of the conduit inner pipe (110) is provided with a second oxygen pipe joint (111). 4.根据权利要求5所述的多功能气管插管导管,其特征在于,所述导管本体(1)侧壁还设有一个体温传输线管(7),所述导管本体(1)前端设有体温探头(71),所述体温探头(71)连接所述体温传输线管(7)。4. The multifunctional tracheal intubation catheter according to claim 5, characterized in that, a body temperature transmission line (7) is further provided on the side wall of the catheter body (1), and the front end of the catheter body (1) is provided with A body temperature probe (71), the body temperature probe (71) is connected to the body temperature transmission line pipe (7). 5.根据权利要求5所述的多功能气管插管导管,其特征在于,所述椭圆形件(9)内壁相对位置设有二氧化碳传感器、氧气传感器。5 . The multifunctional endotracheal intubation catheter according to claim 5 , wherein a carbon dioxide sensor and an oxygen sensor are provided at relative positions on the inner wall of the oval member ( 9 ). 6 . 6.根据权利要求5所述的多功能气管插管导管,其特征在于,所述套囊一(21)、所述套囊二(22)及所述套囊三(112)内均设有压力传感器。6. The multifunctional tracheal intubation catheter according to claim 5, wherein the first cuff (21), the second cuff (22) and the third cuff (112) are provided with Pressure Sensor. 7.根据权利要求5所述的多功能气管插管导管,其特征在于,所述牙垫部(32)外层设置一圈牙齿槽(33)。7 . The multifunctional endotracheal intubation catheter according to claim 5 , wherein a circle of tooth grooves ( 33 ) are arranged on the outer layer of the tooth pad portion ( 32 ). 8 .
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