CN110496286B - Optical rod for trachea cannula - Google Patents

Optical rod for trachea cannula Download PDF

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Publication number
CN110496286B
CN110496286B CN201910772625.2A CN201910772625A CN110496286B CN 110496286 B CN110496286 B CN 110496286B CN 201910772625 A CN201910772625 A CN 201910772625A CN 110496286 B CN110496286 B CN 110496286B
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rod body
contact
handle
section
wand
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CN110496286A (en
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柯纬祺
辛映卿
纪璇
郭绪铿
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/04—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/06—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements
    • A61B1/0661—Endoscope light sources
    • A61B1/0676—Endoscope light sources at distal tip of an endoscope
    • 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
    • A61M25/0082—Catheter tip comprising a tool
    • 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/0105—Steering means as part of the catheter or advancing means; Markers for positioning
    • 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/0105—Steering means as part of the catheter or advancing means; Markers for positioning
    • A61M25/0133—Tip steering devices
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/39—Markers, e.g. radio-opaque or breast lesions markers
    • A61B2090/3937—Visible markers
    • 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
    • A61M25/00—Catheters; Hollow probes
    • A61M2025/0001—Catheters; Hollow probes for pressure measurement
    • A61M2025/0002—Catheters; Hollow probes for pressure measurement with a pressure sensor at the distal end

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Engineering & Computer Science (AREA)
  • Biophysics (AREA)
  • Pulmonology (AREA)
  • Hematology (AREA)
  • Anesthesiology (AREA)
  • Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Physics & Mathematics (AREA)
  • Emergency Medicine (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Endoscopes (AREA)

Abstract

The invention discloses a trachea cannula optical wand, which comprises a wand body and a handle, wherein the wand body and the handle are detachably connected; at the joint of the rod body and the handle, the positive pole or the negative pole of the electric wire is provided with a disconnecting section; an extension section is arranged on the rod body, one end of the extension section is connected with the rod body, and the other end of the extension section is connected with a partition plate arranged in the handle through a spring; a broken electrode connecting sheet is arranged on the side surface of the extension section; the broken electrode connecting sheet is provided with two contacts, one of the two contacts is in sliding contact connection with one end of the broken section of the positive electrode or the negative electrode of the wire, and the other contact is in sliding contact connection with the other end of the broken section of the positive electrode or the negative electrode of the wire; when the rod body is not stressed, the break section is conducted through the broken electrode connecting sheet; when the rod body is subjected to pressure exceeding the preset pressure, one of the contacts is separated from the positive pole or the negative pole of the wire. When the pressure is big during the intubate of this optical wand, can the visual observation.

Description

Optical rod for trachea cannula
Technical Field
The invention belongs to the technical field of medical instruments, and particularly relates to a trachea cannula optical wand.
Background
Light wand (lighthand) tracheal intubation is a blind tracheal intubation technology for judging the position of a tracheal catheter through a light spot in front of a neck, has the advantages of easiness in mastering, convenience, rapidness, high success rate and the like, is widely applied to clinic, and is a method for effectively treating difficult airways. Therefore, the light bar is widely used.
However, during the intubation process, the technical problems of difficult intubation and large resistance are often encountered. The reason for the difficult intubation is various; for example, a severely obese person may cause a stenosis in some parts of the trachea; in the process of intubation, the tip of the catheter is too tightly attached to the upper soft tissue, so that the intubation difficulty is caused; the reason for the difficulty of intubation is many, and will not be described in detail here.
Regardless of the reason for the difficult intubation, those skilled in the art need to find the reason for the difficult intubation and solve the problem. After long-term analysis by the inventor, the feasible technical scheme is considered as follows: first, to find the cause of the difficult intubation; secondly, how to accurately judge the appearance of difficult intubation and avoid damaging the internal tissues of the trachea.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the optical rod for the tracheal intubation, which can accurately reflect the pressure increase during intubation, only needs to rotate the optical rod to continue intubation when higher pressure is met, and continues intubation until intubation is finished when the pressure is not suddenly increased.
A trachea cannula optical wand comprises a wand body and a handle, wherein the wand body and the handle are detachably connected; the rod body is internally provided with a hollow cavity, a red illuminating lamp and an electric wire connected with the red illuminating lamp are arranged in the hollow cavity, and the electric wire extends into the shell of the handle; a miniature camera is further arranged in the hollow cavity, the miniature camera is connected with a signal wire, and the signal wire extends into the shell of the handle; a power supply and a microprocessor are arranged in the shell, the microprocessor is respectively connected with the power supply and the signal wire, and the wire is connected with the power supply; at the joint of the rod body and the handle, a breaking section is arranged on the positive pole or the negative pole of the electric wire; an extension section is arranged on the rod body, one end of the extension section is connected with the rod body, and the other end of the extension section is connected with a partition plate arranged in the handle through a spring; a broken electrode connecting sheet is arranged on the side surface of the extension section; the broken electrode connecting piece is provided with two contacts, one of the two contacts is in sliding contact connection with one end of the broken section of the positive pole or the negative pole of the electric wire, and the other contact is in sliding contact connection with the other end of the broken section of the positive pole or the negative pole of the electric wire; when the rod body is not stressed, the breaking section is conducted through the broken electrode connecting sheet; when the rod body is subjected to pressure exceeding preset pressure, one of the contacts is separated from the positive pole or the negative pole of the wire.
In the trachea cannula optical rod, the end part of the disconnecting section is provided with an arc-shaped transition end; the tail end of the arc transition end is gradually in arc transition from being far away from the contact to being close to and contacting the contact.
In the tracheal intubation light bar, the red illuminating lamp is located at the front end of the hollow cavity, and the front end of the hollow cavity is a guide end for guiding the tracheal intubation.
The miniature camera is a 3D camera, the 3D camera is connected with the microprocessor through a signal line, the microprocessor is further connected with a signal transmitter, and the signal transmitter is arranged in the shell of the handle.
It should be noted that, compared to a 2D camera capable of acquiring only planar image information, a 3D camera is characterized in that depth information of a photographed object, that is, three-dimensional position and size information can be acquired to enhance a face and object recognition function of a camera.
In the trachea cannula light stick, a cold light source is also arranged in the hollow cavity of the stick body, and the cold light source is an LED (light emitting diode); the cold light source is connected with the power supply through an independent wire and used for providing light for the 3D camera.
In the trachea cannula light stick, the contact is a U-shaped open slot, the part of the anode or the cathode in sliding contact with the contact is a rectangle matched with the U-shaped open slot, and the part of the anode or the cathode in sliding contact with the contact is positioned in the U-shaped open slot in sliding connection with the anode or the cathode.
Still provide the trachea cannula optical wand of an adoption photoconduction principle preparation in this application, this trachea cannula optical wand has adopted when pressure is too big equally, and the principle that the lamp goes out is given the suggestion to the operator, and rotatory optical wand carries out the intubate again after adjusting to less pressure. The method comprises the following specific steps:
a tracheal intubation optical wand comprises a wand body and a handle, wherein the wand body is pre-molded into a J shape by adopting a polystyrene material, and one end of the wand body with a hook is polished; a power supply is arranged in the handle, a red illuminating lamp is arranged in the rod body, the red illuminating lamp is connected with the power supply through a wire, and the red illuminating lamp is positioned at the end part close to one end of the rod body; the rod body is detachably connected with the handle; at the joint of the rod body and the handle, a breaking section is arranged on the positive pole or the negative pole of the electric wire; an extension section is arranged on the rod body, one end of the extension section is connected with the rod body, and the other end of the extension section is connected with a partition plate arranged in the handle through a spring; a broken electrode connecting sheet is arranged on the side surface of the extension section; the broken electrode connecting piece is provided with two contacts, one of the two contacts is in sliding contact connection with one end of the broken section of the positive pole or the negative pole of the electric wire, and the other contact is in sliding contact connection with the other end of the broken section of the positive pole or the negative pole of the electric wire; when the rod body is not stressed, the breaking section is conducted through the broken electrode connecting sheet; when the rod body is subjected to pressure exceeding preset pressure, one of the contacts is separated from the positive pole or the negative pole of the wire.
The light guide rod for endotracheal intubation is hereinafter referred to as a light guide rod for endotracheal intubation.
In the light rod for the light guide trachea cannula, the end part of one end of the rod body is provided with a pit for accommodating the red illuminating lamp; the red illuminating lamp is positioned in the pit.
In the light bar of the light guide trachea cannula, the end part of the disconnecting section is provided with an arc-shaped transition end; the tail end of the arc transition end is gradually in arc transition from being far away from the contact to being close to and contacting the contact.
In the light bar for the light guide trachea cannula, the contact is a U-shaped open slot, the part of the anode or the cathode in sliding contact with the contact is a rectangle matched with the U-shaped open slot, and the part of the anode or the cathode in sliding contact with the contact is positioned in the U-shaped open slot in sliding connection with the anode or the cathode.
The invention has the beneficial effects that:
when a large resistance is met in the process of trachea intubation, the pressure is inevitably transmitted to the spring through the rod body, the spring is pressed downwards by the extension section of the rod body under the pressure, the extension section drives the contact of the broken electrode connecting sheet to move downwards after the pressing force is greater than the elastic force of the spring, and the contact continuously moves downwards when the pressure is continuously increased; until the contact is separated from the positive pole or the negative pole of the wire; at the moment, the brightness disappears, the operator is prompted to have excessive pressure, the light stick needs to be rotated, and then the intubation is continued.
Because in the existing optical wand intubation process, an operator can only rely on experience and feeling, the operation difficulty is increased, and visualization cannot be realized. The lamp is turned off when the pressure is too high, so that the operator can be prompted, the structure is relatively simple, complex circuit control components are not integrated, and the automatic control is realized in a mechanical mode.
The micro camera is additionally arranged in the application, the micro camera can transmit images to the display screen in the environment of a cold light source, and an operator can see the images to operate; in order to know the position of the end part of the light rod in real time, the red illuminating lamp is arranged, and when the light rod is inserted into the trachea, the intubation condition can be known by observing the position of the red illuminating lamp.
Drawings
In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a schematic view of the overall structure of an optical wand for an endotracheal tube according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of the structure of the internal components at the joint of the rod and the handle in FIG. 1;
FIG. 3 is a schematic view of the arc transition tip of the electrode;
fig. 4 is a schematic diagram of a circuit module for transmitting an image by the 3D camera.
In the attached drawings, 1, a rod body; 2. a handle; 3. a hollow cavity; 4. a red illuminating lamp; 5. an electric wire; 6. breaking the electrode connecting sheet; 7. an extension section; 8. a spring; 9. a partition plate; 10. an arc transition end; 11. the segment is disconnected.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the invention pertains.
Referring to fig. 1, the present application provides an optical wand for endotracheal intubation, which includes a wand body 1 and a handle 2, wherein the wand body 1 and the handle 2 are detachably connected; the rod body 1 and the handle 2 can be clamped, and the rod body 1 can also be positioned by adopting a nut; after the rod body 1 is connected with the handle 2, the rod body 1 can slide up and down under the action of the force of the spring 8 in the handle 2. The rod body 1 is J-shaped, and the hook part is the leading end of the trachea cannula.
Referring to fig. 1 and 2, the rod 1 is hollow and is a hollow cavity 3, a red illuminating lamp 4 is disposed in the hollow cavity 3, and the red illuminating lamp 4 is a red light emitting diode; the red illuminating lamp 4 is positioned on the hook part of the rod body 1; the red illuminating lamp 4 is connected with a power supply arranged in the shell of the handle 2 after an electric wire 5 penetrates through the hollow cavity 3; a micro camera is also arranged in the hollow cavity 3 and is connected with a microprocessor in the shell of the handle 2 after passing through the hollow cavity 3; the power supply in the handle 2 respectively supplies power for the microprocessor, the miniature camera and the red illuminating lamp 4.
In order to facilitate the observation of the pressure value, the circuit of the electric wire 5 connected with the red illuminating lamp 4 is disconnected by one section, and the anode is preferably disconnected; the broken electrode connecting sheet 6 is adopted for conduction at the broken position; the invention provides a breaking electrode connecting sheet 6 which is connected to a rod body 1 through a carrier, wherein an extension section 7 is connected to the rod body 1, one end of the extension section 7 is connected with the rod body 1, and the other end of the extension section 7 is connected with a partition plate 9 arranged in a handle 2 through a spring 8; the broken electrode connecting sheet 6 is arranged on the side surface of the extension section 7, the broken electrode connecting sheet 6 is provided with two contacts, one contact is in sliding contact connection with one end of the positive electrode or negative electrode breaking section 11 of the electric wire 5, and the other contact is in sliding contact connection with the other end of the positive electrode or negative electrode breaking section 11 of the electric wire 5; when the rod body 1 is not stressed, the breaking section 11 is conducted through the broken electrode connecting sheet 6; when the rod body 1 is subjected to pressure exceeding the preset pressure, one of the contacts is separated from the positive pole or the negative pole of the wire 5.
Referring to fig. 3, in order to enable the broken electrode connecting piece 6 to smoothly slide on the broken section 11, i.e. to facilitate slipping off and re-combining with the electrode; the optional technical scheme is that an arc transition end 10 is arranged at the end part of the disconnecting section 11; the tail end of the arc transition end 10 gradually makes arc transition from far from the contact to close to and contact the contact.
In order to acquire the depth information of the shooting object of the image, a 3D camera is selected as the miniature camera. As shown in fig. 4, the 3D camera is connected to the microprocessor through a signal line, the microprocessor is further connected to a signal transmitter, and the signal transmitter is disposed in the housing of the handle 2; compared with a 2D camera which can only acquire plane image information, a 3D camera is characterized in that depth information of a photographed object, i.e., three-dimensional position and size information, can be acquired to enhance a face and object recognition function of a camera.
The image collected by the 3D camera is transmitted to the microprocessor, and the image is transmitted out through the signal transmitter after being processed by the microprocessor; the signal receiver is in communication connection with the signal transmitter, and the processed signal is displayed on the display equipment for an operator to observe.
The signal receiver is a wifi module arranged in the mobile terminal (mobile phone, tablet computer), the signal transmitter is an infinite router, and the display device utilizes a display screen on the mobile terminal. So set up, the image that the 3D camera was shot just can be saved on mobile terminal, conveniently watches in real time, also can save the medical image data of back reservation as follow-up research.
Because the 3D camera has better shooting effect under the irradiation of a cold light source, the hollow cavity 3 of the rod body 1 is preferably internally provided with the cold light source which is an LED; the cold light source is connected with the power supply through an independent wire and used for providing light for the 3D camera.
In order to enable the contact to be firmly connected with the electrode, it is preferable that the contact is a U-shaped open slot, a part of the positive electrode or the negative electrode in sliding contact with the contact is a rectangle matched with the U-shaped open slot, and a part of the positive electrode or the negative electrode in sliding contact with the contact is located in the U-shaped open slot in sliding connection with the contact.
In the use, the barred body 1 can push down spring 8 through extension section 7 under the pressure effect to drive fracture electrode connection piece 6 and move down, when pressure was too big, the contact on the fracture electrode connection piece 6 can break away from the electrode, breaks away from the back, and red light 4 can extinguish, and the suggestion gives the operator.
The invention also provides a tracheal intubation light bar manufactured by adopting the light conduction principle, which also adopts the principle that a lamp is turned off when the pressure is too high to prompt an operator, rotates the light bar, adjusts the pressure to be lower and then carries out intubation. A trachea cannula light stick comprises a stick body 1 and a handle 2, wherein the stick body 1 is pre-molded into a J shape by adopting a polystyrene material, and one end of the stick body 1 with a hook is polished; a power supply is arranged in the handle 2, a red illuminating lamp 4 is arranged in the rod body 1, the red illuminating lamp 4 is connected with the power supply through a wire 5, and the red illuminating lamp 4 is positioned at the end part close to the other end of the rod body 1; the rod body 1 is detachably connected with the handle 2; at the joint of the rod body 1 and the handle 2, a breaking section 11 is arranged at the positive pole or the negative pole of the electric wire 5; an extension section 7 is arranged on the rod body 1, one end of the extension section 7 is connected with the rod body 1, and the other end of the extension section 7 is connected with a partition plate 9 arranged in the handle 2 through a spring 8; a fracture electrode connecting sheet 6 is arranged on the side surface of the extension section 7; the broken electrode connecting sheet 6 is provided with two contacts, one of the two contacts is in sliding contact connection with one end of the positive or negative disconnection section 11 of the wire 5, and the other contact is in sliding contact connection with the other end of the positive or negative disconnection section 11 of the wire 5; when the rod body 1 is not stressed, the breaking section 11 is conducted through the broken electrode connecting sheet 6; when the bar body 1 is subjected to pressure exceeding the preset pressure, one of the contacts is separated from the positive pole or the negative pole of the electric wire 5.
The optical rod for endotracheal intubation of the rod body 1 made of the light-conductive polystyrene material is hereinafter referred to as a light-conductive optical rod for endotracheal intubation.
In the light rod for the light guide trachea cannula, a pit for accommodating the red illuminating lamp 4 is formed in the end part of one end of the rod body 1; the red illuminating lamp 4 is positioned in the pit.
In the light bar of the light guide trachea cannula, the end part of the disconnecting section 11 is provided with an arc-shaped transition end head 10; the tail end of the arc transition end 10 gradually makes arc transition from being far away from the contact to being close to and contacting the contact.
When a large resistance is met in the process of trachea intubation, the pressure is inevitably transmitted to the spring 8 through the rod body 1, the extension section 7 of the rod body 1 can press down the spring 8 under the pressure, the extension section 7 can drive the contact of the broken electrode connecting sheet 6 to move downwards after the downward pressure is greater than the elastic force of the spring 8, and the contact can continuously move downwards when the pressure is continuously increased; until the contact is disengaged from the positive or negative pole of the wire 5; at the moment, the brightness disappears, the operator is prompted to have excessive pressure, the light stick needs to be rotated, and then the intubation is continued.
Because in the existing optical wand intubation process, an operator can only rely on experience and feeling, the operation difficulty is increased, and visualization cannot be realized. The lamp is turned off when the pressure is too high, so that the operator can be prompted, the structure is relatively simple, complex circuit control components are not integrated, and the automatic control is realized in a mechanical mode.
The micro camera is additionally arranged in the application, the micro camera can transmit images to the display screen in the environment of a cold light source, and an operator can see the images to operate; in order to know the position of the end part of the light stick in real time, the red illuminating lamp 4 is arranged, and when the light stick is inserted into the trachea, the intubation condition can be known by observing the position of the red illuminating lamp 4.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.

Claims (10)

1. A trachea cannula light stick comprises a stick body and a handle, wherein the stick body and the handle are detachably connected; the rod body is internally provided with a hollow cavity, a red illuminating lamp and an electric wire connected with the red illuminating lamp are arranged in the hollow cavity, and the electric wire extends into the shell of the handle; a miniature camera is further arranged in the hollow cavity, the miniature camera is connected with a signal wire, and the signal wire extends into the shell of the handle; a power supply and a microprocessor are arranged in the shell, the microprocessor is respectively connected with the power supply and the signal wire, and the wire is connected with the power supply; the electric wire is characterized in that a positive pole or a negative pole of the electric wire is provided with a disconnecting section at the joint of the rod body and the handle; an extension section is arranged on the rod body, one end of the extension section is connected with the rod body, and the other end of the extension section is connected with a partition plate arranged in the handle through a spring; a broken electrode connecting sheet is arranged on the side surface of the extension section; the broken electrode connecting piece is provided with two contacts, one of the two contacts is in sliding contact connection with one end of the broken section of the positive pole or the negative pole of the electric wire, and the other contact is in sliding contact connection with the other end of the broken section of the positive pole or the negative pole of the electric wire; when the rod body is not stressed, the breaking section is conducted through the broken electrode connecting sheet; when the rod body is subjected to pressure exceeding preset pressure, one of the contacts is separated from the positive pole or the negative pole of the wire.
2. The endotracheal tube light wand of claim 1, wherein: the end part of the breaking section is provided with an arc transition end; the tail end of the arc transition end is gradually in arc transition from being far away from the contact to being close to and contacting the contact.
3. The endotracheal tube light wand of claim 1, wherein: the red illuminating lamp is positioned at the front end of the hollow cavity, and the front end of the hollow cavity is a guide end for guiding the tracheal cannula.
4. The endotracheal tube light wand of claim 1, wherein: the miniature camera is the 3D camera, the 3D camera pass through the signal line with microprocessor connects, microprocessor still is connected with signal transmitter, just signal transmitter establishes in the casing of handle.
5. The endotracheal tube light wand of claim 4, wherein: a cold light source is also arranged in the hollow cavity of the rod body, and the cold light source is an LED; the cold light source is connected with the power supply through an independent wire and used for providing light for the 3D camera.
6. The endotracheal tube light wand of claim 2, wherein: the contact is a U-shaped open slot, the part of the positive pole or the negative pole in sliding contact with the contact is a rectangle matched with the U-shaped open slot, and the part of the positive pole or the negative pole in sliding contact with the contact is positioned in the U-shaped open slot in sliding connection with the contact.
7. A tracheal intubation optical wand comprises a wand body and a handle, wherein the wand body is pre-molded into a J shape by adopting a polystyrene material, and one end of the wand body with a hook is polished; a power supply is arranged in the handle, a red illuminating lamp is arranged in the rod body, the red illuminating lamp is connected with the power supply through a wire, and the red illuminating lamp is positioned at the end part close to one end of the rod body; the rod body is detachably connected with the handle; the method is characterized in that: at the joint of the rod body and the handle, a breaking section is arranged on the positive pole or the negative pole of the electric wire; an extension section is arranged on the rod body, one end of the extension section is connected with the rod body, and the other end of the extension section is connected with a partition plate arranged in the handle through a spring; a broken electrode connecting sheet is arranged on the side surface of the extension section; the broken electrode connecting piece is provided with two contacts, one of the two contacts is in sliding contact connection with one end of the broken section of the positive pole or the negative pole of the electric wire, and the other contact is in sliding contact connection with the other end of the broken section of the positive pole or the negative pole of the electric wire; when the rod body is not stressed, the breaking section is conducted through the broken electrode connecting sheet; when the rod body is subjected to pressure exceeding preset pressure, one of the contacts is separated from the positive pole or the negative pole of the wire.
8. The endotracheal tube light wand of claim 7, wherein: a concave pit for accommodating the red illuminating lamp is arranged at the end part of one end of the rod body; the red illuminating lamp is positioned in the pit.
9. The endotracheal tube light wand of claim 8, wherein: the end part of the breaking section is provided with an arc transition end; the tail end of the arc transition end is gradually in arc transition from being far away from the contact to being close to and contacting the contact.
10. The endotracheal tube light wand of claim 9, wherein: the contact is a U-shaped open slot, the part of the positive pole or the negative pole in sliding contact with the contact is a rectangle matched with the U-shaped open slot, and the part of the positive pole or the negative pole in sliding contact with the contact is positioned in the U-shaped open slot in sliding connection with the contact.
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