CN212439653U - Magnetic control visual trachea cannula pre-guiding device - Google Patents
Magnetic control visual trachea cannula pre-guiding device Download PDFInfo
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- CN212439653U CN212439653U CN202021752762.4U CN202021752762U CN212439653U CN 212439653 U CN212439653 U CN 212439653U CN 202021752762 U CN202021752762 U CN 202021752762U CN 212439653 U CN212439653 U CN 212439653U
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Abstract
A magnetic control visual trachea cannula pre-guiding device comprises an internal part and an external part, wherein the internal part comprises an insertion main body, the insertion main body is of a hollow tube structure, the head end of the insertion main body is connected with a head end magnetic control camera shooting module through a bending part, the tail end of the insertion main body is connected with a wireless transmitting module, and an output cable of the head end magnetic control camera shooting module is connected with the input of the wireless transmitting module through the bending part and the insertion main body; the external part comprises an external navigation magnet and a wireless receiving device, the external navigation magnet guides the action posture of the head end magnetic control camera module in the body in vitro, and the wireless receiving device receives the image information sent by the wireless transmitting module.
Description
Technical Field
The invention belongs to the technical field of medical instruments, and particularly relates to a magnetic control visual tracheal intubation pre-guiding device.
Background
The trachea cannula is characterized in that a special catheter is placed into a trachea through a glottis under direct vision, so that the airway can be recovered and kept smooth in time, oxygen can be supplied, effective manual or mechanical ventilation can be performed, and basic conditions are provided for general anesthesia in an operation. The trachea cannula technology under emergency becomes an important measure in the process of rescuing patients with cardiopulmonary resuscitation and critical patients accompanied with respiratory dysfunction, and plays a vital role in rescuing the lives of the patients and reducing the fatality rate.
However, the traditional tracheal intubation has many limitations, and in some emergency situations, patients or wounded people cannot clear and affect the visual field due to the blockage of airway caused by secretion of upper respiratory tract, backflow or bleeding of gastric contents, or the like, or the intubation is difficult because no laryngoscope or other equipment is available on the rescue site; if a difficult airway is met, even a normally trained anesthesiologist can have the situation that tracheal intubation can not be completed for many times, the death rate caused by failure of tracheal intubation of the difficult airway is high, and for the treatment of the difficult airway, equipment on the market at present has certain limitation, for example, a direct laryngoscope cannot be used for a case with difficult mouth opening; blade type visual laryngoscopes cannot be used for patients with stiff neck; the fiber bronchoscope is expensive, difficult to maintain and difficult to get on hand. The traditional trachea cannula does not get rid of the thinking constraint that the axes of the mouth, the pharynx and the larynx are overlapped as much as possible, the cannula mode of directly exposing the glottis by means of a tool has high technical requirement, the shortage of personnel capable of implementing the trachea cannula is still needed, and the close contact between medical personnel and a patient is still needed. In addition, in some infant patients, due to the reasons of poor glottis and tracheal cartilage development or small local anatomical structure, insufficient design of the existing tracheal intubation instrument, limited experience of tracheal intubation technique of rescuers and the like, the traditional tracheal intubation is difficult to accurately insert the catheter into the trachea in a short time, so that serious hypoxia and carbon dioxide retention of important organs of patients or injured people are inevitably caused, and irreversible brain injury or life threatening is even caused to some patients, and serious consequences are caused. Therefore, whether the tracheal intubation is timely and directly related to the success or not of the rescue, whether the patient can be safely transported, the operation and the prognosis condition of the patient. These defects still exist up to now, but no trachea intubation device which can be suitable for emergency rescue under various occasions and conditions and is easy to operate is available except for the traditional trachea intubation method, so that partial patients are disabled or even die due to failed trachea intubation.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a magnetic control visual tracheal intubation pre-guiding device, which is suitable for magnetic control visual tracheal intubation pre-guiding of intubation of patients with critical patient emergency treatment and complicated and difficult airway general anesthesia.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides a visual trachea cannula of magnetic control is guiding device in advance, includes internal portion and external portion, its characterized in that:
the inner part of the body comprises an insertion main body 3, the insertion main body 3 is of a hollow tube structure, the head end of the insertion main body 3 is connected with a head end magnetic control camera module 1 through a bending part 2, the tail end of the insertion main body is connected with a wireless transmitting module 4, and an output cable 9 of the head end magnetic control camera module 1 is connected with the input of the wireless transmitting module 4 through the bending part 2 and the insertion main body 3;
the external part comprises an external navigation magnet 31 and a wireless receiving device 25, the external navigation magnet 31 guides the action posture of the head end magnetic control camera module 1 in the body in vitro, and the wireless receiving device 25 receives the image information sent by the wireless transmitting module 4.
The insertion main body 3 is made of a plastic hollow pipe made of a high-molecular medical composite material
The bending part 2 comprises a soft central pipeline 24, a main body part formed by connecting a plurality of studs 10 through a stud link shaft 22 is arranged in the central pipeline 24, a head end connecting part 21 used for being connected with the head end magnetic control camera module 1 is arranged at the head end of the main body part, and an inserting body connecting part 23 used for being connected with the inserting body 3 is arranged at the tail end of the main body part.
The head end magnetic control camera module 1 comprises a permanent magnet shell 7, wherein a lens 5, a cold light source LED lamp 6 and a CMOS image sensor 8 are arranged in the permanent magnet shell 7, the lens 5 is located at the center of the head end, the cold light source LED lamps 6 are multiple and arranged around the lens 5, and the CMOS image sensor 8 is arranged behind the lens 5.
The permanent magnet shell 7 is made of a neodymium iron boron permanent magnet material.
Magnetic type wireless connection input 12 comprises magnetic ring one 16 and the cyclic annular link 18 of inlaying in, and magnetic type wireless connection output 11 comprises magnetic ring two 17 and the needle-shaped link 19 of inlaying in, relies on magnetic force looks of magnetic ring one 16 and magnetic ring two 17 to inhale and realizes the transmission of high-speed joint realization data, and 360 free swivelling joints are realized in the assembly of cyclic annular link 18 and needle-shaped link 19.
The wireless transmitting module 4 comprises a video transmitting circuit 13, a first lithium battery 14 and an antenna 15, wherein the video transmitting circuit 13 adopts an analog communication mode and an amplitude modulation mode.
The head end magnetic control camera module 1 is 4-5mm in diameter and 15-20mm in length, the bending part 2 is 4-5mm in diameter and 10-15mm in length, the insertion main body 3 is 4-5mm in diameter and 56-66mm in length, the wireless transmission module 4 is 5mm in diameter and 15-20mm in length, and the in vitro navigation magnet 31 is 50-70mm in diameter and 150mm in length.
The outer layer of the in vitro navigation magnet 31 is provided with a protective shell 32, and the wireless receiving device 25 comprises a video acquisition chip 26, a second lithium battery 27 and a memory card 28.
The wireless receiving device 25 is connected with the computer terminal 29 in a wired manner and/or is connected with the mobile terminal 30 in a wireless manner, and images collected by the head end magnetic control camera module 1 are displayed on the computer terminal 29 and/or the mobile terminal 30 in real time.
Compared with the prior art, the invention has the beneficial effects that:
1. the magnetic control visual tracheal intubation pre-guiding device combines the magnetic navigation technology and the wireless electronic visual technology, has the appearance similar to a common guiding strip, can clearly display the intracavity images of the glottis and the oropharynx part when the tracheal intubation is performed, particularly in the treatment of difficult airways, can control the head end to flexibly turn by 360 degrees by the magnetic navigation technology, accurately positions the position of the glottis, guides the disposable tracheal intubation to pass through the oropharynx part, the laryngeal opening, the epiglottis and the glottis and finally reach the trachea, can improve the success rate of the tracheal intubation and reduce the injury of the airways. The device has the characteristics of good imaging effect, simple and convenient operation and proper price, and has obvious clinical significance.
2. Compared with a direct-viewing laryngoscope and a visual laryngoscope, the magnetic control visual tracheal intubation pre-guiding device has the advantages that the head does not need to be excessively tilted backwards, and meanwhile, the mechanical damage to peripheral tissues caused by forcibly lifting the epiglottis is avoided, so that the magnetic control visual tracheal intubation pre-guiding device is particularly suitable for various complicated and difficult airways, such as patients with cervical spondylosis, rigid neck and difficult mouth opening; in some infant patients, the trachea cannula can not be smoothly finished due to the defects of the design of the existing trachea cannula instrument because of poor glottis and tracheal cartilage development or small local anatomical structure, and the device can smoothly finish various trachea cannulas.
3. The magnetic control visual tracheal intubation pre-guiding device is low in price and simple to operate, and compared with a magneto-optical guiding tracheal intubation device (CN202010102309.7), the magnetic control visual tracheal intubation pre-guiding device can be better found with a door, and can be clearly inserted into a trachea, so that the mechanical damage to soft tissues during blind insertion is avoided, and the success rate of tracheal intubation is greatly improved. The device has a shorter learning curve, is not only suitable for emergency treatment, but also is more suitable for tracheal intubation of a complicated and difficult airway, avoids the problems of long-time hypoxia of a patient, delayed treatment and the like caused by the difficult traditional intubation and high technical requirement.
Drawings
Fig. 1 is a schematic view of the structure of the internal body part of the present invention (separated state).
Fig. 2 is a schematic view of the internal body part structure of the present invention (connected state).
Fig. 3 is a schematic end view of the head end magnetic control camera module of the present invention.
Fig. 4 is a schematic side view of the head end magnetic control camera module according to the present invention.
Fig. 5 is a schematic view of the bending part of the magnetic control visual tracheal intubation pre-guiding device.
FIG. 6 is a schematic view of the magnetic wireless connection between the plug-in body and the wireless transmitter module according to the present invention.
Fig. 7 is a schematic diagram of a wireless receiving apparatus and a terminal (computer or mobile terminal) of the present invention.
FIG. 8 is a schematic view of the magnetic controlled visual endotracheal tube pre-guiding device of the present invention into the laryngeal state of the pharynx.
Fig. 9 is a schematic view of the state of the magnetic control visual tracheal intubation guide device of the present invention aligned to the glottis under the guidance of the external navigation magnet.
Fig. 10 is a schematic view of the magnetically controlled visual endotracheal tube pre-guiding apparatus of the present invention into a tracheal state.
Detailed Description
The embodiments of the present invention will be described in detail below with reference to the drawings and examples.
As shown in fig. 1 and 2, a magnetic control visual tracheal intubation pre-guiding device comprises an internal part and an external part. Wherein:
the internal part is including inserting main part 3, and it is hollow tube structure to insert main part 3, and its head end passes through 2 connector end magnetic control modules of making a video recording 1 of flexion, and trailing end connection wireless transmission module 4, and the output of head end magnetic control module of making a video recording 1 is connected with the input of wireless transmission module 4.
The external part comprises an external navigation magnet 31 and a wireless receiving device 25, the external navigation magnet 31 guides the action posture of the head end magnetic control camera module 1 in the body in vitro, and the wireless receiving device 25 receives the image information sent by the wireless transmitting module 4.
Specifically, in this embodiment, the insertion body 3 may be formed of a plastic hollow tube, the center of which is used for the integrated circuit to pass through, and the material is a polymer medical composite material, and one feasible dimension is 5mm in diameter and 56mm in length.
Referring to fig. 3 and 4, in this embodiment, the head end magnetic control camera module 1 has a diameter of 5mm and a length of 15mm, and includes a permanent magnet housing 7, and the permanent magnet housing 7 is made of a neodymium iron boron permanent magnet material. Be provided with camera lens 5, cold light source LED lamp 6 and CMOS image sensor 8 in permanent magnet shell 7, wherein, camera lens 5 is located head end central point and puts, and cold light source LED lamp 6 has 4, encircles 5 even settings of camera lens, and CMOS image sensor 8 sets up the rear at camera lens 5, and its small-size, low power dissipation, the clear characteristics of imaging effect are fit for this design very much. An optical cover 20 is provided in front of the lens 5.
Referring to fig. 5, in the present embodiment, the bending portion 2 has a diameter of 4-5mm and a length of 10-15mm, and includes a soft central conduit 24, a main body portion formed by connecting a plurality of studs 10 through a stud link 22 is disposed in the central conduit 24, a head end of the main body portion is provided with a head end connection portion 21 for connecting with the head end magnetic control camera module 1, and a tail end is provided with an insertion body connection portion 23 for connecting with the insertion body 3. The snake bone structure of the bending part 2 can realize free steering under the guidance of the in-vitro navigation magnet 31.
The bending part 2 can realize the free bending of the magnetic control camera module and turn to, the snake bone chain joint shaft 22 connects 2 snake bones 10 together, the skeleton of the snake bone is a metal thin-wall ring with a complex structure, the bending part 2 in the embodiment is composed of 6 snake bones and 5 snake bone chain joint shafts 22, the snake bones are inclined around the shaft, the bending with 90 degrees of freedom can be realized at most, the bending of not more than 90 degrees is prevented from being broken, the smooth insertion of the head end camera module 1 is influenced, and a bending gap is formed between two joints.
The wireless transmitting module 4 integrates key components of an electronic system, adopts a circular tubular structure, has the diameter of 5mm and the length of 15mm, is internally provided with a video transmitting circuit 13, a lithium battery I14 and an antenna 15, adopts a simulation communication mode for the video transmitting circuit 13, and adopts an amplitude modulation mode for facilitating the debugging of an experimental system by adopting daily television communication equipment and reducing the complexity and the workload of developing receiving equipment. Formula wireless connection input 12 is inhaled for magnetism to the head end of wireless transmission module 4, and formula wireless connection input 12 is inhaled with the magnetism that inserts 3 tail ends of main part and inhale 11 accordant connection of formula wireless connection output to starting drive when can setting up to connecting. The output cable 9 of the head end magnetic control camera module 1 is connected with the magnetic type wireless connection output end 11 through the bending part 2 and the insertion main body 3.
Referring to fig. 6, the magnetic wireless connection input end 12 is composed of a first magnetic ring 16 and a ring-shaped connection end 18 which are embedded inside, the magnetic wireless connection output end 11 is composed of a second magnetic ring 17 and a needle-shaped connection end 19 which are embedded inside, the magnetic force of the first magnetic ring 16 and the second magnetic ring 17 is attracted to realize quick connection and data transmission, and the ring-shaped connection end 18 and the needle-shaped connection end 19 are assembled and connected to realize 360-degree free rotation connection, which is convenient and reliable.
Referring to fig. 7, the external navigation magnet 31 is a permanent magnet, the diameter of which is 50mm, the length of which is 120mm, the outer layer of which is provided with a protective shell 32, and the wireless receiving device 25 comprises a video acquisition chip 26, a second lithium battery 27 and a memory card 28. The wireless receiving device 25 is connected with the computer terminal 29 in a wired manner (for example, in a USB manner) and/or wirelessly connected with the mobile terminal 30, and displays the image acquired by the head end magnetic control camera module 1 on the computer terminal 29 and/or the mobile terminal 30 in real time to determine the position of the head end.
According to the structure, the controllable free steering of the front section of the pre-guiding device can be realized, the real-time feedback of the intubation path is realized, and the success rate of the tracheal intubation is greatly improved.
Specifically, the working principle of the invention is as follows: for a complex difficult airway which needs emergency trachea intubation or cannot be intubated by conventional equipment, firstly, the magnetic control visual trachea intubation pre-guiding device is inserted into the throat of a patient, the relative position of the throat of the patient is shown in fig. 8, medical staff holds a cylindrical external navigation magnet 31 by the left hand, the head end camera module 1 of the magnetic control visual trachea intubation guiding device at the throat part is guided to deflect forwards and upwards at the position of the neck relative to the laryngeal prominence by the action of a magnetic field, and the position of the glottis is determined on a computer terminal 29 or a mobile terminal 30, which is shown in fig. 9. Then the external navigation magnet 31 is controlled to move towards the front lower part of the neck, and meanwhile, the medical staff continuously inserts the magnetic control visual tracheal intubation pre-guiding device through the right hand, so that the magnetic control visual tracheal intubation pre-guiding device can be clearly seen to enter the trachea and not reach the tracheal bifurcation at the computer terminal 29 or the mobile terminal 30, as shown in fig. 10. At the moment, the left hand removes the external navigation magnet 31 and fixes the magnetic control visual tracheal intubation pre-guiding device, the tracheal catheter is sleeved on the magnetic control visual tracheal intubation pre-guiding device by the right hand, the tracheal catheter is sent into the trachea along the device, the position and the depth of the tracheal catheter are confirmed on the terminal again, the device is pulled out from the tracheal catheter, the air bag is inflated and the tracheal catheter is fixed, the tracheal catheter is connected with a breathing machine and is used for artificial assisted ventilation, the operation is simple, convenient and rapid, the damage and stimulation to throat and tracheal wall tissues in the long-time repeated trial insertion process of the traditional tracheal intubation are avoided, the irreversible damage caused by long-time hypoxia is avoided, complications are avoided, a breathing channel is rapidly established, oxygen supply is recovered, and life is rescued.
Claims (10)
1. The utility model provides a visual trachea cannula of magnetic control is guiding device in advance, includes internal portion and external portion, its characterized in that:
the inner part of the body comprises an insertion main body (3), the insertion main body (3) is of a hollow pipe structure, the head end of the insertion main body is connected with a head end magnetic control camera module (1) through a bending part (2), the tail end of the insertion main body is connected with a wireless transmitting module (4), and an output cable (9) of the head end magnetic control camera module (1) is connected with the input of the wireless transmitting module (4) through the bending part (2) and the insertion main body (3);
the external part comprises an external navigation magnet (31) and a wireless receiving device (25), the external navigation magnet (31) guides the head end magnetic control camera module (1) to move in the body, and the wireless receiving device (25) receives image information sent by the wireless transmitting module (4).
2. The magnetron visualization tracheal intubation pre-guiding device according to claim 1, wherein the insertion body (3) is made of a plastic hollow tube made of a polymer medical composite material.
3. The magnetron visual tracheal intubation pre-guiding device according to claim 1, wherein the bending part (2) comprises a soft central conduit (24), a main body part formed by connecting a plurality of serpentines (10) through a serpentine link shaft (22) is arranged in the central conduit (24), a head end connecting part (21) for connecting with the head end magnetron camera module (1) is arranged at the head end of the main body part, and an insertion body connecting part (23) for connecting with the insertion body (3) is arranged at the tail end of the main body part.
4. The magnetic control visual trachea cannula pre-guiding device according to claim 1, wherein the head end magnetic control camera shooting module (1) comprises a permanent magnet shell (7), a lens (5), a plurality of cold light source LED lamps (6) and a CMOS image sensor (8) are arranged in the permanent magnet shell (7), the lens (5) is located in the center of the head end, the cold light source LED lamps (6) are arranged around the lens (5), and the CMOS image sensor (8) is arranged behind the lens (5).
5. The magnetic control visual trachea cannula pre-guiding device as claimed in claim 1, wherein the wireless transmitting module (4) is of a round tube structure, the head end of the wireless transmitting module is a magnetic type wireless connection input end (12), the magnetic type wireless connection input end (12) is in matching connection with a magnetic type wireless connection output end (11) inserted into the tail end of the main body (3), and the magnetic type wireless connection output end (11) is connected with an output cable (9) of the head end magnetic control camera module (1).
6. The magnetic control visual tracheal intubation pre-guiding device as claimed in claim 5, wherein the magnetic attraction type wireless connection input end (12) is composed of a first magnetic ring (16) and a ring-shaped connection end (18) which are embedded inside, the magnetic attraction type wireless connection output end (11) is composed of a second magnetic ring (17) and a needle-shaped connection end (19) which are embedded inside, the magnetic attraction between the first magnetic ring (16) and the second magnetic ring (17) is utilized to realize quick connection and realize data transmission, and the ring-shaped connection end (18) and the needle-shaped connection end (19) are assembled to realize 360-degree free rotation connection.
7. The magnetron visualization trachea cannula pre-guiding device as claimed in claim 1 or 6, wherein the wireless transmitting module (4) comprises a video transmitting circuit (13), a first lithium battery (14) and an antenna (15), and the video transmitting circuit (13) adopts an analog communication mode and an amplitude modulation mode.
8. The magnetic control visual trachea cannula pre-guiding device as claimed in any one of claims 1 to 6, wherein the head end magnetic control camera module (1) is 4-5mm in diameter and 15-20mm in length, the bending part (2) is 4-5mm in diameter and 10-15mm in length, the insertion body (3) is 4-5mm in diameter and 56-66mm in length, the wireless transmitting module (4) is 5mm in diameter and 15-20mm in length, and the external navigation magnet (31) is 50-70mm in diameter and 150mm in length.
9. The magnetron visualization tracheal intubation pre-guiding device according to claim 1, wherein a protective shell (32) is arranged on the outer layer of the external navigation magnet (31), and the wireless receiving device (25) comprises a video acquisition chip (26), a lithium battery II (27) and a memory card (28).
10. The magnetic control visual tracheal intubation pre-guiding device according to claim 1, wherein the wireless receiving device (25) is in wired connection with the computer terminal (29) and/or in wireless connection with the mobile terminal (30), and images collected by the head end magnetic control camera module (1) are displayed on the computer terminal (29) and/or the mobile terminal (30) in real time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021752762.4U CN212439653U (en) | 2020-08-20 | 2020-08-20 | Magnetic control visual trachea cannula pre-guiding device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021752762.4U CN212439653U (en) | 2020-08-20 | 2020-08-20 | Magnetic control visual trachea cannula pre-guiding device |
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| Publication Number | Publication Date |
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| CN212439653U true CN212439653U (en) | 2021-02-02 |
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| CN202021752762.4U Active CN212439653U (en) | 2020-08-20 | 2020-08-20 | Magnetic control visual trachea cannula pre-guiding device |
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Effective date of registration: 20220303 Address after: 518066 1201, building a, phase I, Qianhai economic and Trade Center, China Merchants Group, No. 151, Zimao West Street, Nanshan street, Qianhai Shenzhen Hong Kong cooperation zone, Shenzhen, Guangdong Province Patentee after: Chonghao Technology Co.,Ltd. Address before: 710061 No. 277, Yanta West Road, Shaanxi, Xi'an Patentee before: THE FIRST AFFILIATED HOSPITAL OF MEDICAL COLLEGE OF XI'AN JIAOTONG University |