Laryngoscope capable of eliminating mist through end face heating

Abstract

The utility model discloses an end face heating fog eliminating laryngoscope, which relates to the technical field of medical instruments and comprises a picture processing mechanism, a handle component is arranged at the bottom of the picture processing mechanism, and a camera shooting mechanism is arranged at the bottom of the handle component. The resistance value of the resistance wire is R, in one preferable scheme, R is larger than or equal to 2 omega and smaller than or equal to 16 omega, heat generated by too small R value is too small and is insufficient to eliminate water mist, the distance between the resistance wire and the inner surface of the video laryngoscope is D, in one preferable scheme, D is larger than or equal to 0.1 mm and smaller than or equal to 2 mm, and assembly interference exists due to too small D value. After the resistance wire is assembled, a gap G is reserved between the resistance wire and the inner surface of the laryngoscope blade, G is smaller than D, and the gap G ensures that a proper gap is reserved between the resistance wire and the inner surface of the laryngoscope blade after the assembly accumulated tolerance is calculated; the too large D value causes insufficient temperature when the heat of the resistance wire reaches the inner surface of the laryngoscope lens, so that the water mist is difficult to eliminate.

Description

Technical Field

[0001] The utility model relates to the technical field of medical instruments, in particular to a laryngoscope with end surface heating and fog elimination. Background Art

[0002] In the medical field, a laryngoscope is a commonly used tool for observing and operating the larynx. After entering the oral cavity, the temperature inside the laryngoscope blade suddenly changes, causing inconsistent temperatures inside and outside the blade, resulting in liquefaction of water vapor and mist, which affects image acquisition and brings inconvenience to the user. Utility Model Content

[0003] The utility model aims to provide a laryngoscope with end surface heating and defogging, so as to solve at least any one of the problems raised in the above-mentioned background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an end-face heated defogging laryngoscope, comprising an image processing mechanism, a handle assembly is provided at the bottom of the image processing mechanism, and a camera mechanism is provided at the bottom of the handle assembly;

[0005] The camera mechanism comprises a lens base, a laryngoscope blade, a lens, a heating resistor wire and a control assembly, wherein the lens base is detachably connected to the heating resistor wire, the lens is arranged in the lens base, the lens is detachably connected to the lens base, the laryngoscope blade is arranged above the lens, and the control assembly is detachably connected to the heating resistor wire;

[0006] The control component includes a connector, a flexible circuit board, a first wire and a second wire, one end of the first wire and the second wire are both electrically connected to the flexible circuit board, and the other end of the first wire and the second wire are both electrically connected to the connector.

[0007] Preferably, the image processing mechanism includes a shell, a display component and a main control board component, the display component and the main control board component are both arranged in the shell, the display component and the main control board component are evenly distributed in the shell, and the display component and the main control board component are both detachably connected to the shell.

[0008] Preferably, the handle assembly comprises a handle shaft, a handle shell and a battery, wherein the handle shaft is detachably connected to the top of the handle shell, the battery is disposed in the handle shell, and the battery is detachably connected to the handle shell;

[0009] The shell is detachably connected to the top of the handle shaft.

[0010] Preferably, the bottom of the handle shell is detachably connected to a metal rod, and the bottom of the metal rod is detachably connected to a metal elbow.

[0011] Preferably, the top of the metal curved tube is detachably connected with a peep blade and the laryngoscope blade.

[0012] Preferably, the lens base is arranged at the bottom of the inner wall of the metal bent pipe, and the lens base is detachably connected to the metal bent pipe.

[0013] The beneficial effects of the utility model are as follows: In the utility model, a method uses a resistance wire close to the inner surface of a video laryngoscope, and generates heat after passing an electric current through the resistance wire, thereby heating the inner surface of the video laryngoscope and eliminating the water mist phenomenon;

[0014] In the scheme, the resistance wire is connected to the control component, and the resistance value of the resistance wire is R. In a preferred scheme, 2Ω≤R≤16Ω. If the R value is too small, the heat generated is too small to eliminate the water mist. If the R value is too large, permanent damage will be caused to the laryngoscope blade or other electronic devices.

[0015] In one solution, the distance between the resistance wire and the inner surface of the video laryngoscope is D, and in a preferred solution, 0.1mm≤D≤2mm. If the D value is too small, there will be assembly interference. After the resistance wire is assembled, there is a gap G with the inner surface of the laryngoscope blade. G<D. The gap G ensures that after the cumulative tolerance of the assembly is calculated, there is an appropriate gap between the resistance wire and the inner surface of the laryngoscope blade. If the D value is too large, the temperature of the resistance wire will be insufficient when the heat reaches the inner surface of the laryngoscope blade, making it difficult to eliminate water mist.

[0016] In another solution, a flexible circuit board is used to generate heat. In this solution, a conductor is printed on the flexible circuit board. When the conductor is connected to an electric current, the conductor itself generates heat to eliminate the water mist on the inner surface of the laryngoscope.

[0017] In the scheme, the flexible circuit board is connected to the control component by wires;

[0018] In another preferred embodiment, the flexible circuit board is processed in anisotropic manner, and is connected to the control component by welding through spatial folding and twisting;

[0019] In another preferred embodiment, the flexible circuit board is connected to the connector of the control component by adding a reinforcement unit and a printed contact unit to improve the convenience of assembly and maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the structure of the battery part of the utility model;

[0022] Figure 3 This is a schematic diagram of the structure of the lens base portion of the utility model;

[0023] Figure 4This is a schematic diagram of the structure of the lens part of the utility model;

[0024] Figure 5 It is a partial structural schematic diagram of the peep piece of the utility model;

[0025] Figure 6 This is a partial structural diagram of the connector of the utility model;

[0026] Figure 7 This is a schematic diagram of the structure of the first conductor part of the utility model;

[0027] Figure 8 It is a schematic diagram of the enlarged structure of the heating resistance wire part of the utility model.

[0028] In the figure: 1. image processing mechanism; 11. outer shell; 12. display component; 13. main control board component; 2. handle component; 21. handle shaft; 22. handle shell; 23. battery; 3. peep blade; 4. metal rod; 5. camera mechanism; 51. lens base; 52. laryngoscope blade; 53. lens; 54. heating resistor wire; 55. control component; 551. connector; 552. flexible circuit board; 553. first wire; 554. second wire; 6. metal bent pipe. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] The utility model provides Figure 1-7The end-face heated defogging laryngoscope shown comprises an image processing mechanism 1, a handle assembly 2 is arranged at the bottom of the image processing mechanism 1, and a camera mechanism 5 is arranged at the bottom of the handle assembly 2; the camera mechanism 5 comprises a lens base 51, a laryngoscope blade 52, a lens 53, a heating resistor 54 and a control assembly 55, the lens base 51 is detachably connected to the heating resistor 54, the lens 53 is arranged in the lens base 51, the lens 53 is detachably connected to the lens base 51, the laryngoscope blade 52 is arranged above the lens, and the control assembly 55 is detachably connected to the heating resistor 54; the control assembly comprises a connector 551, a flexible circuit board 552, a first wire 553 and a second wire 554, one end of the first wire 553 and the second wire 554 are both electrically connected to the flexible circuit board 552, and the other ends of the first wire 553 and the second wire 554 are both electrically connected to the connector 551. A method uses a heating resistor 54, which is close to the inner surface of a video laryngoscope. When current is passed through the heating resistor 54, heat is generated, thereby heating the inner surface of the video laryngoscope to eliminate water mist. In the scheme, the heating resistor 54 is connected to the control component 55, and the resistance of the resistor is R. In a preferred scheme, 2Ω≤R≤16Ω. If the R value is too small, the heat generated is too small to eliminate water mist. If the R value is too large, permanent damage will be caused to the laryngoscope blade or other electronic devices. In a scheme, the distance between the resistor and the inner surface of the video laryngoscope is D. In a preferred scheme, 0.1mm≤D≤2mm. If the D value is too small, there will be assembly interference. After the resistor is assembled, a gap G is left between the resistor and the inner surface of the laryngoscope blade, G<D, and the gap G ensures that the resistor is guaranteed after the cumulative tolerance of the assembly is calculated. An appropriate gap is left between the wire and the inner surface of the laryngoscope blade; if the D value is too large, the temperature of the resistance wire will be insufficient when the heat reaches the inner surface of the laryngoscope blade, making it difficult to eliminate water mist; in another scheme, a flexible circuit board 552 is used to generate heat. In the scheme, the flexible circuit board 552 prints wires, and the wires are connected to the current conductor itself to generate heat to achieve the effect of eliminating water mist on the inner surface of the laryngoscope; in the scheme, the flexible circuit board 552 is connected to the control component by wires; in another preferred scheme, the flexible circuit board 552 is processed by anisotropic processing, and is connected to the control component by welding through spatial folding and twisting; in another preferred scheme, the flexible circuit board 552 uses an added reinforcement unit and a printed contact unit, and is connected to the connector 551 of the control component to improve the convenience of assembly and maintenance.

[0031] The image processing mechanism 1 includes a shell 11, a display component 12 and a main control board component 13, the display component 12 and the main control board component 13 are both arranged in the shell 11, the display component 12 and the main control board component 13 are evenly distributed in the shell 11, and the display component 12 and the main control board component 13 are both detachably connected to the shell 11. The display component 12 is the display part of the device, and the main control board component 13 is the main control part of the device, both of which are conventional devices in the field.

[0032] The handle assembly 2 includes a handle shaft 21, a handle shell 22 and a battery 23. The handle shaft 21 is detachably connected to the top of the handle shell 22. The battery 23 is arranged in the handle shell 22. The battery 23 is detachably connected to the handle shell 22. The housing 11 is detachably connected to the top of the handle shaft 21. The electrical parts of the device are all powered by the battery 23. With the assistance of the shaft 21, the image processing mechanism 1 can be adjusted. The handle shell 22 is convenient for the user to hold the device.

[0033] The bottom of the handle shell 22 is detachably connected to a metal rod 4, the bottom of the metal rod 4 is detachably connected to a metal curved tube 6, the top of the metal curved tube 6 is detachably connected to a peep blade 3 and a laryngoscope blade 52, and a lens base 51 is disposed at the bottom of the inner wall of the metal curved tube 6, and the lens base 51 is detachably connected to the metal curved tube 6. It is common knowledge known to those skilled in the art that the peep blade 3 and the laryngoscope blade 52 are used in conjunction with the metal rod 4 and the metal curved tube 6.

[0034] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A laryngoscope with end surface heating and defogging, characterized in that: It comprises a picture processing mechanism (1), a handle assembly (2) is arranged at the bottom of the picture processing mechanism (1), and a camera mechanism (5) is arranged at the bottom of the handle assembly (2); The imaging mechanism (5) comprises a lens base (51), a laryngoscope blade (52), a lens (53), a heating resistor (54) and a control assembly (55); the lens base (51) is detachably connected to the heating resistor (54); the lens (53) is arranged in the lens base (51); the lens (53) and the lens base (51) are detachably connected; the laryngoscope blade (52) is arranged above the lens; and the control assembly (55) is detachably connected to the heating resistor (54); The control component comprises a connector (551), a flexible circuit board (552), a first wire (553) and a second wire (554), wherein one end of the first wire (553) and the second wire (554) are both electrically connected to the flexible circuit board (552), and the other end of the first wire (553) and the second wire (554) are both electrically connected to the connector (551).

2. The end-face heated defogging laryngoscope according to claim 1, characterized in that: The image processing mechanism (1) comprises a housing (11), a display component (12) and a main control board component (13); the display component (12) and the main control board component (13) are both arranged in the housing (11); the display component (12) and the main control board component (13) are evenly distributed in the housing (11); and the display component (12) and the main control board component (13) are both detachably connected to the housing (11).

3. The end-face heated defogging laryngoscope according to claim 2, characterized in that: The handle assembly (2) comprises a handle shaft (21), a handle shell (22) and a battery (23); the handle shaft (21) is detachably connected to the top of the handle shell (22); the battery (23) is arranged in the handle shell (22); and the battery (23) is detachably connected to the handle shell (22); The housing (11) is detachably connected to the top of the handle shaft (21).

4. The end-face heated defogging laryngoscope according to claim 3, characterized in that: The bottom of the handle shell (22) is detachably connected to a metal rod (4), and the bottom of the metal rod (4) is detachably connected to a metal elbow (6).

5. The end-face heated defogging laryngoscope according to claim 4, characterized in that: The top of the metal curved tube (6) is detachably connected with a peep blade (3) and a laryngoscope blade (52).

6. The end-face heated defogging laryngoscope according to claim 4, characterized in that: The lens base (51) is arranged at the bottom of the inner wall of the metal curved tube (6), and the lens base (51) is detachably connected to the metal curved tube (6).

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