CN108498928B - Tracheal cannula external member capable of guiding descending bronchus to block under bronchofiberscope - Google Patents
Tracheal cannula external member capable of guiding descending bronchus to block under bronchofiberscope Download PDFInfo
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- CN108498928B CN108498928B CN201810430308.8A CN201810430308A CN108498928B CN 108498928 B CN108498928 B CN 108498928B CN 201810430308 A CN201810430308 A CN 201810430308A CN 108498928 B CN108498928 B CN 108498928B
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- 239000007924 injection Substances 0.000 claims description 10
- 210000005239 tubule Anatomy 0.000 claims description 8
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- 239000010959 steel Substances 0.000 claims description 7
- 210000004072 lung Anatomy 0.000 abstract description 70
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Classifications
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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. mouth-to-mouth respiration; Tracheal tubes
- A61M16/04—Tracheal 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
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/04—Tracheal tubes
- A61M16/0434—Cuffs
- A61M16/044—External cuff pressure control or supply, e.g. synchronisation with 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
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/04—Tracheal tubes
- A61M16/0434—Cuffs
- A61M16/0445—Special cuff forms, e.g. undulated
-
- 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. mouth-to-mouth respiration; 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. mouth-to-mouth respiration; Tracheal tubes
- A61M16/04—Tracheal tubes
- A61M16/0486—Multi-lumen tracheal tubes
Abstract
The utility model relates to an endotracheal intubation kit capable of guiding downlink bronchus to be blocked at a bronchoscope, which comprises a blocking catheter and an endotracheal tube; the blocking catheter comprises a catheter body; the front end of the catheter body is provided with a first cuff and a first annular cuff respectively; the tracheal catheter comprises a tracheal catheter body, a first threaded tube connector, a second threaded tube connector and a second annular cuff; the front end of the tracheal catheter body is provided with a second cuff; the second annular cuff is arranged at the inner side of the tail end of the tracheal catheter body. The advantages are as follows: the healthy side lung ventilation is carried out while the bronchus of the affected side lung is effectively blocked; the tracheal catheter is inserted into the trachea without touching the carina at the intersection of the left and right bronchi, and the injury stimulation and the nerve reflex of the carina are not caused; the blocking catheter can be rapidly and accurately placed on the bronchus to be blocked under the direct guidance of the bronchoscope.
Description
Technical Field
The utility model relates to the technical field of medical intubation kits, in particular to an endotracheal intubation kit capable of descending bronchus obstruction under the guidance of a bronchofiberscope.
Background
At present, the single-lung ventilation technology is a common technology, is commonly used for a minimally invasive thoracoscopic operation or a thoracoscopic operation pulmonary and esophageal operation on one side of the lung, needs to collapse the thoracoscopic side of the lung to achieve the aim of exposing an operation space, and meanwhile, after the bronchus of the patient side of the lung is blocked, some pathological changes of the patient side of the lung, especially the problems that bronchiectasis, blood, thick phlegm and infectious substances cannot flow into the healthy side of the lung, and the healthy side of the lung can also achieve the aim of effective physical obstruction while ensuring effective ventilation. After the surgical focus is removed, double lung ventilation is performed.
At present, a dual-cavity tracheal catheter is commonly used clinically, single-lung ventilation can be performed respectively, the purpose of blocking the lung is achieved, but the dual-cavity tracheal catheter is large in diameter and large in catheterization difficulty, and particularly for patients with difficult catheterization, the difficulty is high and the damage is also large. There is also a blocked catheter but without visual guidance, which is difficult to handle. More dangerous, if the lower section of the main trachea or the bronchus of a patient has pathological changes or stenosis, too thick and too deep catheter insertion is extremely easy to cause bleeding and damage, and the difficult to compensate results are caused, so that the catheter is not suitable for the placement of the double-cavity tracheal catheter.
Chinese patent literature: CN201110316610.9, filing date 2011.10.18, patent name: single lumen tracheal catheter-bronchial plug single lung ventilation integrated device. The utility model discloses a single-lumen tracheal catheter-bronchus plug single-lung ventilation integrated device, which belongs to medical appliances, and comprises a y-shaped tee joint, wherein the y-shaped tee joint is connected with a single-lumen tracheal catheter, a catheter sac is arranged at the front end of the single-lumen tracheal catheter, healthy and diseased side bronchus openings are arranged at the left side and the right side in front of the catheter sac, a V-shaped hump clamp is arranged at the tip, a bronchus blocking system and the single-lumen tracheal catheter are of an integrated structure, the front end of a blocking pipe penetrates out from the upper edge of the diseased side bronchus opening, a blocking sac is arranged, the shape is upwards taken in the pipe wall of the catheter, the tail end penetrates out from the diseased side root part of the catheter body, a bidirectional blocking pipe switch is connected, and an elastic guide wire special for dredging the blocking pipe is arranged.
The single-lung ventilation integrated device of the single-cavity tracheal catheter-bronchus plug disclosed by the patent document has the advantages of simple structure and reasonable design, integrates the advantages of the existing single-lung ventilation device, and can provide a novel single-lung ventilation device which is convenient to operate, accurate in positioning, flexible in single-lung ventilation and double-lung ventilation conversion and better in keeping the patient lung in a static collapse state for clinic. However, regarding a bronchotracheal intubation kit which is used for effectively blocking the bronchus of the patient's affected side lung under the direct vision guidance of a bronchoscope, and simultaneously performing ventilation of the healthy side lung, the tracheal catheter can not generate extrusion and stimulation to the carina position between the patient's lungs in the process of implantation, thereby relieving the bad nerve reflection of the patient, and the placement position of the blocking catheter can be rapidly and intuitively determined during the bronchoscopy of the bronchoscope, so that no relevant report exists at present.
In view of the foregoing, there is a need for an endotracheal intubation kit for performing bronchoscopy, which is used for effectively blocking bronchus of a patient's affected lung, simultaneously performing ventilation of the patient's affected lung, preventing the bulge between the patient's lungs from being squeezed and stimulated by an endotracheal tube during implantation, reducing adverse nerve reflex of the patient, and rapidly and intuitively determining the position of the blocked tube during bronchoscopy, and blocking the bronchus under bronchoscopy.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model provides the tracheal cannula kit which is used for effectively blocking the bronchus of the affected side lung of a patient under the direct vision guidance of a bronchoscope, simultaneously carrying out the ventilation of the healthy side lung, preventing the bulge part between the lungs of the patient from being extruded and stimulated in the process of placing the tracheal catheter, relieving the bad nerve reflection of the patient, and rapidly and intuitively determining the placement position of the blocked catheter in the bronchoscope-guided downlink bronchus.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
an endotracheal intubation kit capable of descending a bronchus obstruction under the guidance of a bronchofiberscope, wherein the endotracheal intubation kit comprises an obstruction conduit and an endotracheal tube; the blocking catheter comprises a catheter body; the surface of the catheter body is provided with scale marks; the front end of the catheter body is provided with a first cuff; a first annular cuff is arranged above the first cuff; the tail end of the catheter body is provided with a first inflation valve and a second inflation valve which are connected with the first cuff and the first annular cuff respectively through a tubule; the bottom of the catheter body is connected with a cap; the thin pipe body is arranged in the pipe wall of the catheter body; the inner wall of the catheter body is also provided with a thin steel wire;
the tracheal catheter comprises a tracheal catheter body, a first threaded tube connector, a second threaded tube connector and a second annular cuff; graduation lines are also arranged on the surface of the tracheal catheter body; the front end of the tracheal catheter body is provided with a second cuff; the first threaded pipe is connected with the side surface of the tail end of the tracheal catheter body; the second screwed pipe interface is arranged at the tail end of the tracheal catheter body; the first threaded interface and the second threaded interface are respectively connected with a gas pipe cover; the second annular cuff is arranged on the inner side of the tail end of the tracheal catheter body; the tail end of the tracheal catheter body is respectively provided with a third inflation valve and a fourth inflation valve which are connected with the second cuff and the second annular cuff through a thin tube; the thin pipe body is arranged in the catheter wall of the tracheal catheter body; the inner wall of the tracheal catheter body is also provided with a thin steel wire; the occlusion catheter is placed in the endotracheal tube during use.
As a preferable technical scheme, the first cuff and the first annular cuff are in an arc-shaped structure of 10 degrees to 20 degrees, the distance between the first cuff and the first annular cuff is 1cm to 3cm, and the arc-shaped angle is opposite to the direction of the same plane of the annular cuff.
As a preferable technical scheme, the blocking catheter is of a hollow structure and has a diameter of 1mm-4.5mm.
As a preferable technical scheme, the tracheal catheter is a single-cavity tracheal catheter body.
As a preferred embodiment, a closed space is formed between the second annular cuff and the end of the occlusion tube.
As a preferable technical scheme, the first threaded pipe interface is an international standard respirator interface.
As a preferable technical scheme, the tracheal catheter further comprises an air cavity catheter and an injection valve.
As a preferable technical scheme, the air cavity catheter is respectively arranged above the first annular cuff and the second cuff, is of a hollow annular structure, is respectively spaced from the first cuff and the second cuff by 0.2cm-0.6cm, and is arranged at the tail end of the tracheal catheter body.
As a preferable technical scheme, the air cavity conduit and the injection valve are connected with each other, and the surface of the air cavity conduit is provided with a plurality of small holes.
The utility model has the advantages that:
1. by utilizing the complementary cooperation between the blocking catheter and the tracheal catheter, the affected side lung can be effectively blocked and collapsed when the patient carries out single-lung ventilation treatment, the bronchus of the affected side lung is blocked by the blocking catheter, the outflow of blood or sputum is avoided, and simultaneously, the hollow blocking catheter is utilized to carry out oxygen transfusion and blood or secretion suction on the affected side lung when necessary. After obstructing the affected side lung, the healthy side lung can effectively implement single lung ventilation to ensure the oxygen supply of the organism.
2. The front end of the blocking catheter fully utilizes the first annular sleeve bag and fixes the bronchofiberscope head end, so that the blocking catheter can be placed under the guiding action of the bronchofiberscope in the placing process, and the rapid completion of the placement of the tube is facilitated when the examination and the treatment are facilitated.
3. The bronchus of the patient suffering side lung is plugged by the plugging catheter, so that on one hand, the operation space in the suffering side chest cavity is conveniently exposed, the operation treatment is conveniently carried out, and on the other hand, the blood or sputum in the suffering side lung is prevented from flowing into the healthy side lung, thereby effectively avoiding the risk of infection of the healthy side lung.
4. The front end of the tracheal catheter is a single-cavity catheter, and the implantation depth only reaches the upper middle section of the main trachea, so that extrusion and stimulation of the tracheal catheter on the bulge part between the lungs of a patient can be avoided in the implantation process, and bad nerve reflex of the patient is relieved.
5. The fourth inflation valve is controlled to inflate into the second annular cuff at the inner side of the tail end of the tracheal catheter body, so that the second annular cuff can fix the tail end of the blockage tube, a closed space is formed between the second annular cuff and the blockage tube, and meanwhile, the blockage catheter can be well pressurized and fixed and the scale measurement can be achieved.
6. The breathing machine is externally connected to the first threaded pipe connector arranged on the side face of the tail end of the tracheal catheter body in a controlled manner, the breathing work of the healthy side lung of the patient can be completed through the tracheal catheter, and the closed space formed between the second annular cuff and the tail end of the blocking pipe is utilized, so that gas in the tracheal catheter cannot leak outwards, and the treatment of the lung of the patient and the ventilation work of the healthy side lung can be continuously carried out on the patient.
7. When the patient needs to continuously breathe in the intensive care unit to support treatment, the patient can continuously use the breathing machine to carry out oxygen therapy on the patient only by withdrawing the blocking catheter and covering the second threaded pipe joint at the tail end of the tracheal catheter body by utilizing the tracheal cover, thereby avoiding the necessity of replacing other catheters and repeatedly placing the catheter and greatly reducing the risk and the occurrence rate of adverse events of the patient.
8. The design of the hollow structure of the blocking catheter can be used for exhausting the sick side lung by using the catheter body after the bronchus of the sick side lung is blocked by using the cap arranged at the bottom of the catheter body to take down, so that the lung is completely flaccid, the operation space is convenient to be exposed, and meanwhile, the blocking catheter can perform the functions of oxygen therapy and absorption of the blood and secretion of the sick side lung when necessary due to the hollow design.
9. Through be equipped with the air cavity pipeline on blockking up pipe and endotracheal tube, utilize the injection valve to pour into the anesthetic into the pipeline through the tubule, after the anesthetic overflows through the aperture, alright carry out surface anesthesia to patient's protuberance position and glottis upper and lower and throat position, the degree that the patient is difficult to endure after significantly reducing the endotracheal tube of inserting, the use of the sedative medicine of significantly reducing, be favorable to promoting patient's sputum excretion and respiratory function's recovery, reduce the pneumonia incidence, reduce mortality, medical expenses and hospitalization time, be favorable to patient's quick recovery.
10. Because the design of two mouthfuls of endotracheal tube, one end can connect the breathing machine and ventilate, and another interface is sealed when not using, if the patient needs to carry out bronchofiberscope examination and treatment, alright provide the passageway for it, and the inside annular cuff controllable closed function of endotracheal tube end in addition, after the bronchofiberscope gets into endotracheal tube, the proper inflation to annular cuff maintains certain seal when guaranteeing the inspection, does not influence first screwed joint and infuse oxygen to the patient.
11. The first threaded connector is connected with a breathing machine to inhale oxygen, the catheter can be inserted into the catheter through the second threaded connector, and then the annular cuff in the tracheal catheter is properly inflated to be in a closed state, so that the patient can be timely or continuously subjected to aerosol inhalation or intratracheal drug treatment.
Drawings
Fig. 1 is a schematic perspective view of a plugging tube of an endotracheal intubation kit capable of descending bronchoconstriction under guidance of a bronchoscope according to the present utility model.
Fig. 2 is a schematic plan view of an endotracheal tube kit occlusion tube for down-going bronchoocclusion guided by a bronchoscope in accordance with the present utility model.
Fig. 3 is a schematic perspective view of an endotracheal tube kit for down-going bronchoocclusion guided by a bronchoscope according to the present utility model.
Fig. 4 is a schematic plan view of an endotracheal tube according to the present utility model for use in a bronchoscopically guided down-flow bronchoconstriction tracheal cannula kit.
Fig. 5 is an enlarged schematic view of a second annular cuff at the distal end of the endotracheal tube body of an endotracheal tube kit for down-going bronchoocclusion guided by a bronchoscope in accordance with the present utility model.
Fig. 6 is a schematic view of the structure of an endotracheal tube kit according to the present utility model in use for bronchoscopy-guided down-stream bronchial occlusion.
FIG. 7 is a schematic plan view of an endotracheal tube kit for simulating a left bronchus of a patient being occluded by a descending bronchoconstriction guided by a bronchoscope in accordance with the present utility model.
Fig. 8 is a schematic perspective view of another embodiment of a bronchocannula kit occlusion catheter for descending bronchoocclusion guided by a bronchoscope.
Fig. 9 is a schematic perspective view of another embodiment of a bronchocannula kit occlusion catheter for descending bronchoocclusion guided by a bronchoscope.
FIG. 10 is a schematic plan view of another embodiment of the utility model for a bronchotracheal cannula kit air cavity tube for bronchoconstriction under bronchofiberscope guidance
Fig. 11 is a schematic plan view of a prior art bronchoscope.
Detailed Description
The following detailed description of the utility model provides specific embodiments with reference to the accompanying drawings.
Reference numerals and components referred to in the drawings are as follows:
11. catheter body
12. Graduation marks 13. First cuff
134. First inflation valve 135 second inflation valve
14. First annular cuff 15 tubule
16. Cap 17. Tube wall
18. Fine steel wire 2 tracheal catheter
21. Tracheal catheter body 22. First threaded tube connector
23. Second threaded tube interface 234 tracheal cap
24. Second annular cuff 245. Third inflation valve
246. Fourth inflation valve
26. Catheter wall 27. Air cavity catheter
271. Small hole 28 injection valve
3. Bronchofiberscope
Example 1
Referring to fig. 1, 2, 3 and 4, fig. 1 is a schematic perspective view of an endotracheal tube plugging catheter, a schematic plan view of the plugging catheter, a schematic perspective view of the endotracheal tube and a schematic plan view of the endotracheal tube according to the present utility model, which can be used for guiding a down-flowing bronchus plug under a bronchoscope. An endotracheal intubation kit capable of descending a bronchus obstruction under the guidance of a bronchofiberscope, wherein the endotracheal intubation kit comprises an obstruction conduit and an endotracheal tube 2; the occlusion catheter comprises a catheter body 11; the surface of the catheter body 11 is provided with scale marks 12; the front end of the catheter body 1 is provided with a first cuff 13; a first annular cuff 14 is arranged above the first cuff 13; the first cuff 13 and the first annular cuff 14 are in an arc-shaped bending structure before; the tail end of the catheter body 11 is respectively provided with a first inflation valve 134 and a second inflation valve 135 which are connected with the first cuff 13 and the first annular cuff 14 through a thin tube 15; the bottom of the catheter body 11 is connected with a cap 16; the main body of the thin tube 15 is arranged in the tube wall 17 of the catheter body 1; the inner wall of the catheter body 11 is also provided with a thin steel wire 18;
the tracheal catheter 2 comprises a tracheal catheter body 21, a first threaded tube interface 22, a second threaded tube interface 23 and a second annular cuff 24; the surface of the tracheal catheter body 21 is also provided with graduation marks 12; the front end of the tracheal catheter body 21 is provided with a second cuff; the first screwed pipe interface 22 is arranged on the side surface of the tail end of the tracheal catheter body 21; the second screwed pipe interface 23 is arranged at the tail end of the tracheal catheter body 21; the first threaded interface 22 and the second threaded interface 23 are respectively connected with a gas pipe cover 234; the second annular cuff is arranged on the inner side of the tail end of the tracheal catheter body 21; the tail end of the tracheal catheter body 21 is respectively provided with a third inflation valve 245 and a fourth inflation valve 246 which are connected with the second cuff and the second annular cuff 24 through the thin tube 15; the main body of the thin tube 15 is arranged in the catheter wall 26 of the tracheal catheter body 21; the inner wall of the tracheal catheter body 21 is also provided with a thin steel wire 18; the occlusion catheter is placed in the endotracheal tube 2 during use.
It should be noted that: the blocking catheter and the tracheal catheter 2 are both made of special soft resin materials, have good flexibility, and are independent individuals and complement each other when in use; the cross section of the top of the blocking catheter is of a blunt structure, and the bottom of the blocking catheter is provided with a side hole, so that the blocking catheter can be prevented from damaging the tracheal wall in the process of placement; the top of the tracheal catheter 2 is of an oblique opening type structure, and the bottom of the tracheal catheter is also provided with a side hole; the catheter body 11 is of a hollow structure, the diameter is 1mm-4.5mm, and the top cross section is of a blunt structure; after the cap 16 arranged at the bottom is taken down, the catheter body 11 can be used for exhausting the lung at the affected side, so that the lung is completely withered, and the operation space and treatment are convenient to expose; the first sleeve 13 and the first annular sleeve 14 arranged at the front end of the catheter body 11 are in a structure of 10-20 degrees, the distance between the first sleeve and the first annular sleeve is 1cm-3cm, and the direction of the arc angle is in the same plane with the annular sleeve and opposite to the direction, so that the catheter is conveniently blocked; the first annular cuff 13 is a cuff with particles, and after inflation, the friction force between the particles and the bronchoscope is increased, so that the fixation between the bronchoscope and the blocking catheter is ensured to be firm; when the blocking tube 1 is used, after the fiber lens end is placed in the first annular sleeve 14 at the front end position of the catheter body 11, the second inflation valve 135 is utilized to inflate the first annular sleeve 14, so that the first annular sleeve 14 is used for fixing the fiber lens end, and the blocking tube 1 is placed in and passes through the tracheal catheter 2, and the head end of the blocking tube 1 can be quickly and intuitively placed at a position needing blocking by utilizing the guiding function of the fiber bronchoscope at the front end of the blocking tube 1;
after the blocking tube 1 is placed at a designated position by using the guiding action of the bronchoscope, the first inflation valve 134 is controlled to inflate the first cuff 13, so that the body of the blocking tube 1 can be effectively fixed by using the first cuff 13 and the bronchus which needs to be blocked for the patient's lung can be effectively blocked, thereby avoiding the outflow of blood or sputum in the patient's lung to the healthy lung to cause the infection of the healthy lung, and simultaneously blocking the patient's lung and detecting the ventilation of the lung; after the first cuff 13 completes the pulmonary bronchus blockage of the affected side, the second inflation valve 135 is controlled to exhaust the gas in the first annular cuff 14, and the first annular cuff 14 is soft, so that the bronchofiberscope body can be rapidly and safely withdrawn; the scale marks 12 arranged on the surface of the catheter body 11 are used for judging the depth and the position of the blocked catheter entering the trachea of a patient;
when the tracheal catheter 2 is used, the front end of the catheter is placed in the trachea of a patient under the observation of a laryngoscope, and the third inflation valve 245 arranged at the tail end of the tracheal catheter body 21 is controlled to inflate the second cuff, so that the position of the tracheal catheter 2 can be fixed; the front end of the tracheal catheter 2 is a single-cavity catheter, so that extrusion and stimulation of the tracheal catheter 2 on the bulge position between the lungs of a patient in the process of implantation can be avoided, and adverse nerve reflex of the patient is reduced; after the position of the tracheal catheter 2 is fixed, the blocking catheter is placed into the bronchus of the patient's affected side lung to finish the fixed blocking of the blocking catheter and the withdrawal of the bronchoscope, and then the fourth inflation valve 246 is controlled to inflate into the second annular cuff 24 arranged on the inner side of the tail end of the tracheal catheter body 21, so that a closed space is formed between the second annular cuff 24 and the tail end of the blocking tube 1 while the second annular cuff 24 is fixed on the tail end of the blocking tube 1;
the first threaded pipe interface 22 is an international standard respirator interface; the first threaded pipe connector 22 arranged on the side surface of the tail end of the tracheal catheter body 21 is controlled to be externally connected with a breathing machine, at the moment, the breathing work of the healthy side lung of a patient can be completed through the tracheal catheter 2, and the closed space formed between the second annular cuff 24 and the tail end of the blocking pipe 1 is utilized, so that the gas in the tracheal catheter 2 can not leak outwards, and the blocking hemostasis treatment of the lung of the patient and the oxygen delivery of the healthy side lung can be continuously carried out on the patient; the surface of the tracheal catheter body 21 is also provided with scale marks 12 for judging the depth and the position of the tracheal catheter 2 entering the trachea of a patient;
when the chest operation of the patient is needed to be monitored in a ward, if the patient still needs the breathing machine to continuously assist in ventilation treatment after evaluation, then only the first inflation valve 134 and the fourth inflation valve 246 are controlled to release the gas in the first cuff 13 and the second annular cuff 24, the blocking tube 1 is taken out, the air in the tracheal tube 1 body can be directly used for assisting in ventilation treatment by the breathing machine after the second threaded tube interface at the tail end of the tracheal tube body 21 is covered by the tracheal tube cover 234, so that the need of replacing other catheters and repeatedly placing the catheters is avoided, the nursing risk is greatly reduced, and adverse reactions are reduced; when the first threaded pipe joint 22 and the second threaded pipe joint 23 are not used, the connected tracheal cover 234 is covered, so that the inside of the tracheal catheter 2 is prevented from being polluted, and the use safety of the tracheal catheter is improved.
The utility model relates to a use method of an endotracheal intubation kit capable of guiding downlink bronchus to block by a bronchoscope, which comprises the following steps: first, the tracheal catheter 2 is placed in a corresponding position in the trachea of a patient through a laryngoscope, and the third inflation valve 245 is controlled to inflate the second cuff, so that the position of the tracheal catheter 2 is fixed. Secondly, the fiber lens end is placed in a first annular sleeve 14 arranged at the front end of the blocking tube 1, the second inflation valve 135 is controlled to inflate the first annular sleeve 14, so that the fiber lens can be fixed, then the front end of the blocking catheter passes through the tracheal catheter 2, after the placement position of the head end of the blocking tube 1 is determined through the guiding action of the fiber lens, the first inflation valve 134 is controlled to inflate the first sleeve 13, after the position of the blocking tube 1 is fixed, the second inflation valve 135 is controlled to inflate the first annular sleeve 14, and then the fiber lens is taken out. Finally, the fourth inflation valve 246 is controlled to inflate the second annular sleeve 24 arranged on the inner side of the tail end of the tracheal catheter 2, so that the second annular sleeve 24 is used for fixing the tail end of the blocking tube 1, a closed space is formed between the second annular sleeve and the blocking tube, and the breathing machine is externally connected through the first threaded tube connector 22, so that the operation of isolating the lung on the affected side of a patient and ventilating the lung on the healthy side of the patient can be completed through the steps.
Example 2
Referring to fig. 8, 9 and 10, fig. 8 is a schematic perspective view of another embodiment of a plugging catheter for a tracheal cannula set capable of plugging a bronchus under a bronchoscope, fig. 9 is a schematic perspective view of another embodiment of a plugging catheter for a tracheal cannula set capable of plugging a bronchus under a bronchoscope, and fig. 10 is a schematic plan view of a tube for an air cavity of another embodiment of a tracheal cannula set capable of plugging a bronchus under a bronchoscope. This embodiment is substantially the same as embodiment 1 except that the first annular cuff 14 in the occluded catheter and the second annular cuff 24 in the tracheal catheter 2 are both provided with an air lumen conduit 27 above; the air cavity pipeline 27 is provided with a plurality of small holes 271; the air cavity pipeline 27 is of a circular hollow structure and is internally arranged in a pipeline wall 26 of the air pipe pipeline and a pipeline wall 17 of the blocking pipeline; the distance between the first annular cuff 14 and the first annular cuff and the air cavity pipeline 27 is respectively 0.2cm-0.6cm; the tail ends of the blocking catheter and the air pipe catheter 2 are also respectively provided with an injection valve 28 connected with an air cavity pipeline 27 through a thin pipe 15; the air cavity pipelines 27 are respectively arranged on the blocking catheter and the tracheal catheter 2, anesthetic is injected into the pipelines through the tubules 15 by utilizing the injection valve 28, and after the anesthetic overflows through the small holes 271, the surface anesthesia can be carried out on the carina position and the upper, lower and throat positions of a patient, so that the irritation of the carina position is reduced, the degree of difficulty in tolerance of the patient after the patient is inserted into the tracheal catheter is greatly reduced, the use of sedative is greatly reduced, and the rapid rehabilitation of the patient is facilitated.
According to the tracheal cannula kit capable of guiding the downlink bronchus to be blocked at the bronchofiberscope, the tracheal catheter of the patient side lung can be blocked through the blocking catheter when the patient carries out single-lung ventilation treatment by utilizing the complementary matching action between the blocking catheter and the tracheal catheter, so that the patient side lung is effectively blocked, collapsed, minimally invasive thoracoscopic surgery and open chest surgery exposure surgery vision are facilitated, outflow of blood or sputum is avoided, and ventilation of the healthy side lung is facilitated; the front end of the blocking catheter is of a curved arc shape, and the first annular cuff is used for fixing the fiber lens end, so that the blocking catheter can be placed under the guiding action of the fiber scope in the placing process, and the blocking catheter is more visual and convenient to place and block while convenient to check and treat; the bronchus of the patient suffering from the side lung is plugged by the plugging catheter, so that the operation treatment of the patient suffering from the side lung is convenient, and blood or sputum in the patient suffering from the side lung is prevented from flowing into the healthy side lung, so that the risk of infection of the healthy side lung is effectively avoided, and meanwhile, oxygen can be conveyed to the patient suffering from the side lung and the suction of blood and secretion can be completed under the necessary condition.
The front end of the tracheal catheter is a single-cavity catheter, and as the tracheal catheter is placed only to the middle upper section of the trachea, extrusion and stimulation of the carina part between the lungs of a patient can be avoided in the placing process of the tracheal catheter, so that the bad nerve reflex of the patient is relieved; the fourth inflation valve is controlled to inflate into the second annular cuff on the inner side of the tail end of the tracheal catheter body, so that the second annular cuff can fix the tail end of the blocking tube, and a closed space is formed between the second annular cuff and the blocking tube; the breathing work of the healthy side lung of the patient can be completed through the tracheal catheter by controlling the first threaded pipe connector arranged on the side surface of the tail end of the tracheal catheter body to be externally connected with the breathing machine, and the gas in the tracheal catheter can not leak out by utilizing the closed space formed between the second annular cuff and the tail end of the blocking pipe, so that the blockage of the healthy side lung and the oxygen therapy work of the healthy side lung of the patient can be continuously carried out on the patient; when a patient needs to continuously breathe with the breathing machine in the care unit, the patient can continuously breathe with the breathing machine by using the breathing machine after the blocking catheter is withdrawn and the second threaded pipe joint at the tail end of the tracheal catheter body is covered by the tracheal cover, so that the need of replacing other catheters and repeatedly placing the catheters is avoided, the risk of invasive operation is greatly reduced, and the occurrence rate of adverse events of the patient is reduced;
the design of the hollow structure of the blocking catheter can be used for exhausting the sick side lung by using the catheter body after the catheter body finishes the bronchus blocking of the sick side lung and the cap arranged at the bottom of the catheter body is taken down, so that the lung is completely withered and is convenient for operation and treatment; through be equipped with the air cavity pipeline on blockking up pipe and endotracheal tube, utilize the injection valve to pour into the anesthetic into the pipeline through the tubule, after the anesthetic overflows through the aperture, alright carry out surface anesthesia to patient's bronchus and carina position, reduce the irritation at carina position, greatly reduced reduce patient to insert the difficult tolerance degree behind the endotracheal tube, greatly reduced sedative drug's use, be favorable to patient's quick recovered.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and additions may be made to those skilled in the art without departing from the method of the present utility model, which modifications and additions are also to be considered as within the scope of the present utility model.
Claims (8)
1. An endotracheal intubation kit capable of descending a bronchus obstruction under the guidance of a bronchofiberscope, wherein the endotracheal intubation kit comprises an obstruction conduit and an endotracheal tube; the blocking catheter comprises a catheter body; the surface of the catheter body is provided with scale marks; the front end of the catheter body is provided with a first cuff; a first annular cuff is arranged above the first cuff; the tail end of the catheter body is provided with a first inflation valve and a second inflation valve which are connected with the first cuff and the first annular cuff respectively through a tubule; the bottom of the catheter body is connected with a cap; the thin pipe body is arranged in the pipe wall of the catheter body; the inner wall of the catheter body is also provided with a thin steel wire;
the tracheal catheter comprises a tracheal catheter body, a first threaded tube connector, a second threaded tube connector and a second annular cuff; graduation lines are also arranged on the surface of the tracheal catheter body; the front end of the tracheal catheter body is provided with a second cuff; the first threaded pipe is connected with the side surface of the tail end of the tracheal catheter body; the second screwed pipe interface is arranged at the tail end of the tracheal catheter body; the first threaded interface and the second threaded interface are respectively connected with a gas pipe cover; the second annular cuff is arranged on the inner side of the tail end of the tracheal catheter body; the tail end of the tracheal catheter body is also provided with a third inflation valve and a fourth inflation valve which are connected with the second cuff and the second annular cuff respectively through tubules; the tubule main body at the tail end of the tracheal catheter body is arranged in the catheter wall of the tracheal catheter body; the inner wall of the tracheal catheter body is also provided with a thin steel wire; the blocking catheter is arranged in the tracheal catheter when in use; the first sleeve bag and the first annular sleeve bag are in an arc-shaped structure with an angle of 10 degrees to 20 degrees, the distance between the two is 1cm to 2cm, and the arc-shaped oblique angles are opposite to the first annular sleeve bag in the same plane position; the cross section of the top of the blocking catheter is of a blunt structure, and the top of the tracheal catheter is of an oblique opening type structure.
2. The endotracheal tube kit of claim 1, wherein said occlusion tube is hollow and has a diameter of 1mm to 4.5mm.
3. The endotracheal tube kit of claim 1, wherein said endotracheal tube is a single lumen endotracheal tube body.
4. The endotracheal tube kit of claim 1, wherein the second annular cuff forms a closed space with the distal end of the occlusion tube.
5. The endotracheal tube kit of claim 1, wherein said first threaded tube interface is an international standard ventilator interface.
6. The endotracheal tube kit of claim 1, wherein said endotracheal tube further comprises an air lumen tube and an injection valve.
7. The tracheal cannula kit of claim 6, wherein the air cavity conduit is respectively arranged above the first annular cuff and the second cuff, is in a hollow annular structure, is respectively spaced from the first cuff and the second cuff by 0.2cm-0.6cm, and the injection valve is arranged at the tail end of the tracheal catheter body.
8. The tracheal cannula kit of claim 6, wherein the air cavity conduit is connected with the injection valve, and a plurality of small holes are formed on the surface of the air cavity conduit.
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| CN201810430308.8A CN108498928B (en) | 2018-05-08 | 2018-05-08 | Tracheal cannula external member capable of guiding descending bronchus to block under bronchofiberscope |
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| CN201810430308.8A CN108498928B (en) | 2018-05-08 | 2018-05-08 | Tracheal cannula external member capable of guiding descending bronchus to block under bronchofiberscope |
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| CN112843436A (en) * | 2020-02-16 | 2021-05-28 | 东莞天天向上医疗科技有限公司 | Multifunctional balloon dilatation catheter for in vivo pulmonary membrane oxygenation and use method |
| CN111419162B (en) * | 2020-03-24 | 2023-04-28 | 北京大学第三医院（北京大学第三临床医学院） | Fiber bronchoscope tube-placing guide |
| CN111529872B (en) * | 2020-05-08 | 2022-07-26 | 重庆市妇幼保健院 | Tracheal catheter |
| CN114209916B (en) * | 2022-01-21 | 2024-01-16 | 郑州大学 | Alveolar lavage device for severe pneumonia patient |
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