CN112890749A - Laryngoscope and method of use - Google Patents

Abstract

The invention relates to the technical field of medical instruments, in particular to a laryngoscope, which comprises a laryngoscope body, wherein a lighting device is fixed on the side wall of the laryngoscope body, and an imaging device is fixed at the front end of the laryngoscope body; the handle is arranged in the mounting chamber, a power supply and a transmission mechanism are arranged in the mounting chamber, an opening is formed in one side of the mounting chamber, and a rotating gear A for adjusting the adjusting sheet is fixed in the opening; a rotary fixing piece is arranged in the torsion chamber; be equipped with swiveling wheel B in the fixed chamber, be fixed with the second connecting block with this body coupling of laryngoscope on the swiveling wheel B, keep away from the rotatory regional one side of laryngoscope body on the second connecting block and be equipped with the extension strip of taking elastic fixture block, be equipped with the stationary blade on the fixed chamber side, it connects the limiting plate through the spin, be equipped with on the limiting plate with elastic fixture block assorted spacing groove, be equipped with the button corresponding with the limiting plate on the fixed chamber lateral wall, the bottom surface of fixed chamber is close to and prolongs rectangular one side and be equipped with and prolong rectangular terminal assorted contact switch. The invention has simple operation, good observation effect and wider application range.

Description

Laryngoscope and method of use

Technical Field

The invention relates to the technical field of medical instruments, in particular to a laryngoscope and a using method thereof.

Background

The larynx is in a deep position, and the physiology of the larynx is complex and cannot be directly observed, so that special examination methods are required for the laryngeal examination, wherein the laryngoscope is one of the most effective ways for the laryngeal examination.

However, the current laryngoscope has a single structure, the structure is often fixed, the use experience of different people is different, most patients have discomfort in the examination process, the single laryngoscope structure also limits the application range of the laryngoscope, and the problem that the detection result is affected due to unclear images also exists in the detection process, so that the development and the application of the laryngoscope are limited.

Disclosure of Invention

In view of the above problems, the present invention provides a laryngoscope with convenient operation, good examination effect and wide application range. In order to realize the purpose of the invention, the following technical scheme is adopted:

a laryngoscope comprises a laryngoscope body, wherein the laryngoscope body consists of a lens, an adjusting sheet and a side wall, the lens is arranged below the adjusting sheet, the side wall is arranged on the side surfaces of the lens and the adjusting sheet, the front end of the side wall is fixed with a detachable lighting device, and the front end of the laryngoscope body is fixed with an image device; and

the laryngoscope body is detachably connected with the top end of the handle, the handle comprises an installation chamber, a torsion chamber and a fixed chamber which are sequentially connected from bottom to top, a power supply and a transmission mechanism are arranged in the installation chamber, an opening is arranged at the middle lower part of one side of the installation chamber, a rotating gear A is fixed in the opening, and the rotating gear A is connected with the adjusting sheet through the transmission mechanism; a rotary fixing piece is arranged in the torsion chamber; the laryngoscope is characterized in that a rotating wheel B is arranged in the fixed chamber and is arranged in the center of the bottom surface of the fixed chamber, a second connecting block is fixed on the rotating wheel B and is connected with the laryngoscope body, an extension strip is arranged on one side of the second connecting block, which is far away from the rotating area of the laryngoscope body, an elastic clamping block is arranged on the extension strip, a fixed sheet is arranged on the side surface, which is close to the extension strip, in the fixed chamber, a rolling ball is arranged at the tail end of the fixed sheet, a limiting plate is connected on the rolling ball, a limiting groove is arranged on one side, which is close to the extension strip, of the limiting plate and is matched with the elastic clamping block, a telescopic button is arranged on the side wall of the fixed chamber at the lower end of the fixed sheet, one part of the button is arranged outside the fixed chamber, the button corresponds to, the contact switch is matched with the tail end of the extension bar, and the contact switch is electrically connected with the imaging equipment, the lighting equipment and the power supply.

Preferably, drive mechanism includes fixed block, transfer line, rotary gear B, center pin, swiveling wheel A and first connecting block, the fixed block sets up in the installation room, one side that is close to rotary gear A on the fixed block is equipped with the slide rail, sliding connection has the transfer line in the slide rail, the left surface and the right flank of transfer line all are equipped with the recess, the protruding phase-match of recess and rotary gear A's gear, the other end of transfer line just penetrates the fixation room through twisting the room in, the transfer line is located the one end in the fixation room and passes through the recess and connect in rotary gear B, rotary gear B rotatably fixes the front side below the fixation room, rotary gear B central authorities are equipped with the center pin, swiveling wheel A is connected to the other end of center pin, swiveling wheel A rotatably fixes the rear side below the fixation room, just be equipped with first connecting block on swiveling, the other end of the first connecting block is fixed with the adjusting sheet.

Preferably, the lower extreme and the upper end of transfer line are equipped with first spacing piece and second spacing piece respectively, just first spacing piece sets up in the transfer line and is close to one side of rotary gear A, the spacing piece of second sets up in the transfer line and is close to one side of rotary gear B, prevents to adjust excessively.

Preferably, be equipped with the flowing back hose in the lateral wall that the adjustment sheet corresponds, the other end of flowing back hose is connected in the sputum chamber, the sputum chamber sets up the one side at fixed outdoor surface, is convenient for get rid of the sputum at image equipment position, improves the definition of image for the inspection effect is better.

Preferably, a liquid suction device is arranged in the sputum cavity.

Preferably, the upper end of the outer surface of the handle is provided with a plurality of rough parts, so that the hand-holding stability is improved.

Preferably, the image equipment is a camera or a video camera, the handle is provided with a display screen, and the display screen is electrically connected with the image equipment and the power supply.

Preferably, the opening below the mounting chamber is provided on the opposite side of the laryngoscope body.

Preferably, the elastic clamping block is of a structure with a narrow lower end and a wide upper end, so that the elastic clamping block is conveniently clamped with the limiting groove.

In order to achieve the purpose, the invention also provides a use method of the laryngoscope, and the use method of the laryngoscope specifically comprises the following steps:

installation: connecting the handle and the laryngoscope body together, wherein the laryngoscope body is not vertical to the handle;

angle adjustment: the laryngoscope body is rotated by holding the handle by hand, the angle of the laryngoscope body relative to the handle is adjusted, so that the laryngoscope body is perpendicular to the handle, the tail end of the extension strip is contacted with the contact switch at the moment, the power supply is triggered to start, the image equipment and the lighting equipment start to work, and the shot result is transmitted to the display screen; then the angle of the laryngoscope body relative to the handle is adjusted through the rotating fixing piece in the twisting chamber according to the actual situation, so that the laryngoscope is more suitable for different patients;

and (4) checking: after the laryngoscope is installed and adjusted, the laryngoscope is slowly inserted into the oral cavity of a patient for examination, the internal condition is paid attention to in real time according to the result displayed by the display screen, and then the rotating gear A is adjusted according to the actual condition, so that the adjusting sheet is driven to expand outwards, and the function of expanding the opening to assist the laryngoscope lens to be inserted is achieved;

liquid drainage: after the adjusting sheet expands outwards, a sputum accumulation cavity is formed among the lens, the adjusting sheet and the side wall, and sputum is guided into the sputum cavity through the liquid suction device through the liquid discharge hose;

and (4) ending: and (4) finishing the laryngoscopy, and cleaning, drying and storing the laryngoscope.

Compared with the prior art, the invention has the beneficial effects that: the laryngoscope is provided with the structure that the laryngoscope body is rotationally connected with the handle, and the torsion chamber is also arranged, so that the angle between the laryngoscope body and the handle can be adjusted for many times, the use effect is better, and the use range is wider; the adjusting sheet in transmission connection with the rotating gear A is arranged, so that the adjusting sheet can be driven to expand outwards, the function of expanding the opening to assist the laryngoscope lens to stretch into is achieved, and the inspection effect is better; the structure department of fixed indoor laryngoscope body and handle swivelling joint has still cooperated the extension strip of having taken elastic fixture block, contact switch, spacing groove and button to be set up, starts and stops work's easy operation, and the application is strong.

Drawings

FIG. 1 is a front view of the laryngoscope in accordance with the invention, ready;

FIG. 2 is a schematic view of the extended front view of the adjustment tab in the laryngoscope according to the invention;

FIG. 3 is a front view of the laryngoscope body and handle in rotational connection according to the invention;

FIG. 4 is a schematic front view of an unprepared laryngoscope according to the invention;

FIG. 5 is a schematic top view of the interior of the holding chamber according to the present invention;

FIG. 6 is an enlarged front view of the interior of the stationary chamber in accordance with the present invention;

FIG. 7 is a schematic view of the overall construction of the laryngoscope body according to the invention;

FIG. 8 is a schematic view showing the overall structure of the driving rod according to the present invention;

FIG. 9 is a flow chart of a method of use of the laryngoscope of the invention;

in the figure, 1-laryngoscope body, 101-lens, 102-adjusting blade, 103-side wall, 2-handle, 201-installation chamber, 202-torsion chamber, 203-fixation chamber, 3-imaging device, 4-lighting device, 5-liquid discharge hose, 6-power supply, 7-fixation block, 8-slide rail, 9-transmission rod, 901-first limit plate, 902-second limit plate, 903-groove, 10-rotating gear A, 11-opening, 12-rotating gear B, 13-central shaft, 14-rotating wheel A, 15-first connecting block, 16-rotating fixation piece, 17-rotating wheel B, 18-second connecting block, 19-extension bar, 20-elastic clamping block, 21-fixation piece, 22-rolling ball, 23-limiting plate, 24-limiting groove, 25-button, 26-contact switch, 27-sputum cavity and 28-roughness part.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Detailed description of the preferred embodiment 1

Fig. 1 is a front view of the laryngoscope of the invention in the ready configuration and in conjunction with fig. 2 to 8, it will be appreciated that a laryngoscope of the invention comprises a laryngoscope body 1 and a handle 2 which are releasably attachable.

Wherein, laryngoscope body 1 is by lens 101, adjustment flap 102 and lateral wall 103 constitute, lens 101 sets up the below at adjustment flap 102, lateral wall 103 sets up the side at lens 101 and adjustment flap 102, and be equipped with fluid-discharge hose 5 in the lateral wall 103 that adjustment flap 102 corresponds, fluid-discharge hose 5's the other end is connected in sputum chamber 27, this sputum chamber 27 sets up the one side at fixed room 203 surface, and be equipped with the imbibition device in sputum chamber 27, be convenient for get rid of the sputum, be fixed with detachable lighting apparatus 4 at the front end of lateral wall 103, improve the definition in the observation process, the front end of laryngoscope body 1 is fixed with image equipment 3, this image equipment 3 is camera or video camera, still be equipped with on the handle 2 with image equipment 3 and the display screen of power 6 electric connection, be convenient for the laryngoscope stretches into the observation of in-process.

The top end of the handle 2 is detachably connected to one side of the laryngoscope body 1, and the upper end of the outer surface of the handle 2 is provided with a plurality of rough parts 28, so that the friction force during holding is increased, and the holding stability is improved; the handle 2 comprises an installation chamber 201, a twisting chamber 202 and a fixed chamber 203 which are connected in sequence from bottom to top, a power supply 6 and a transmission mechanism are arranged in the installation chamber 201, an opening 11 is arranged at the middle lower part of one side of the installation chamber 201 opposite to a laryngoscope body 1, a rotating gear A10 is fixed in the opening 11, the rotating gear A10 is connected to an adjusting sheet 102 through the transmission mechanism, in the embodiment, the transmission mechanism comprises a fixed block 7, a transmission rod 9, a rotating gear B12, a central shaft 13, a rotating wheel A14 and a first connecting block 15, the fixed block 7 is arranged in the installation chamber 201, a slide rail 8 is arranged at one side of the inner part close to the rotating gear A10, the slide rail 8 is connected with the transmission rod 9 in a sliding manner, grooves 903 are arranged on the left side and the right side of the transmission rod 9, the grooves 903 are matched with gear bulges of the rotating gear A10, the other end of the, one end of the transmission rod 9, which is positioned in the fixed chamber 203, is connected to a rotating gear B12 through a groove 903, the rotating gear B12 is rotatably fixed at the front side below the fixed chamber 203, a central shaft 13 is arranged at the center of the rotating gear B12, the other end of the central shaft 13 is connected with a rotating wheel A14, the rotating wheel A14 is rotatably fixed at the rear side below the fixed chamber 203, a first connecting block 15 is arranged on a rotating wheel 14, the other end of the first connecting block 15 is fixed with the adjusting sheet 102, so that the rotating gear A can be adjusted, the effect of expanding the adjusting sheet 102 outwards is achieved, the function of extending the auxiliary laryngoscope lens into the flared opening is achieved, in addition, a first limiting sheet 901 and a second limiting sheet 902 are respectively arranged at the lower end and the upper end of the transmission rod 9, the first limiting sheet 901 is arranged at one side of the transmission rod 9, which is close to the rotating gear A10, the second limiting, the expansion of the adjusting sheet 102 can be limited to a certain extent, so that over-adjustment is prevented; the rotating fixing piece 16 is arranged in the torsion chamber 202 and can be used for further adjusting the angle of the laryngoscope body 1 corresponding to the handle 2 so as to be suitable for different patients; a rotating wheel B17 is arranged at the center of the bottom surface of the fixed chamber 203, a second connecting block 18 is fixed on the rotating wheel B17, the second connecting block 18 is connected with the laryngoscope body 1 and can rotate corresponding to the handle 2 of the laryngoscope body 1, an extending strip 19 is arranged at one side of the second connecting block 18 far away from the rotating area of the laryngoscope body 1, an elastic fixture block 20 with narrow lower end and wide upper end is arranged on the extending strip 19, a fixing sheet 21 is arranged at the side surface of the fixed chamber 203 close to the extending strip 19, the tail end of the fixing sheet is rotationally connected with a limiting plate 23 through a rolling ball 22, a limiting groove 24 matched with the elastic fixture block 20 is arranged at one side of the limiting plate 23 close to the extending strip 19, a telescopic button 25 is arranged on the side wall of the fixed chamber 203 at the lower end of the fixing sheet 21, one part of the button 25 is positioned in the fixed chamber 203, the other part, the function of releasing the clamping of the elastic clamping block 20 and the limiting groove 24 can be realized by pressing the button 25, one side of the bottom surface of the fixing chamber 203, which is close to the extending strip 19, is provided with the contact switch 26 matched with the tail end of the extending strip 19, the contact switch 26 is electrically connected with the image device 3 and the lighting device 4 and the power supply 6, when the elastic clamping block 20 is clamped with the limiting groove 24, the tail end of the extending strip 19 is just contacted with the contact switch 26, so that the image device 3 and the lighting device 4 are started to work, the shot result is transmitted to the display screen, after the examination is finished, the function of releasing the clamping of the elastic clamping block 20 and the limiting groove 24 can be realized by pressing the button 25, the power supply is disconnected, and the work of the image device 3 and the lighting device 4 is stopped.

Specific example 2

A use method of a laryngoscope adopts the laryngoscope, and specifically comprises the following steps:

step S101: installation: the handle 2 is connected with the laryngoscope body 1, and the laryngoscope body 1 is not vertical to the handle 2 at the moment.

Step S102: angle adjustment: the handle 2 is held by hand, the laryngoscope body 1 is rotated, the angle of the laryngoscope body 1 relative to the handle 2 is adjusted, so that the laryngoscope body 1 is perpendicular to the handle 2, at the moment, the tail end of the extension strip 19 is contacted with the contact switch 26, the power supply is triggered to start, the image device 3 and the lighting device 4 start to work, and the shot result is transmitted to the display screen; then the angle of the laryngoscope body 1 relative to the handle 2 is adjusted by rotating the fixing piece 16 in the twisting chamber 202 according to actual conditions, so that the laryngoscope is more suitable for different patients.

Step S103: and (4) checking: after the laryngoscope is installed and adjusted, the laryngoscope is slowly stretched into the oral cavity of a patient for examination, the internal condition is paid attention to in real time according to the result displayed by the display screen, and then the rotating gear A10 is adjusted according to the actual condition, so that the adjusting sheet 102 is driven to expand outwards, and the function of assisting the laryngoscope lens to stretch into in flaring is achieved.

Step S104: liquid drainage: after the adjusting sheet 102 expands outwards, a sputum accumulation cavity is formed among the lens 101, the adjusting sheet 102 and the side wall 103, and sputum is guided into the sputum cavity 27 through the liquid suction device through the liquid discharge hose 5.

Step S105: and (4) ending: and (4) finishing the laryngoscopy, and cleaning, drying and storing the laryngoscope.

As seen from the above embodiment of the invention, the laryngoscope is provided with the structure that the laryngoscope body is rotationally connected with the handle, and the torsion chamber is also arranged, so that the angle between the laryngoscope body and the handle can be adjusted for many times, the use effect is better, and the use range is wider; the adjusting sheet in transmission connection with the rotating gear A is arranged, so that the adjusting sheet can be driven to expand outwards, the function of expanding the opening to assist the laryngoscope lens to stretch into is achieved, and the inspection effect is better; the structure department of fixed indoor laryngoscope body and handle swivelling joint has still cooperated the extension strip of having taken elastic fixture block, contact switch, spacing groove and button to be set up, starts and stops work's easy operation, and the application is strong.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can understand that the changes or modifications within the technical scope of the present invention are included in the scope of the present invention, and therefore, the scope of the present invention should be subject to the protection scope of the claims.

Claims (10)

1. A laryngoscope, characterized by: comprises that

The laryngoscope comprises a laryngoscope body (1), wherein the laryngoscope body (1) consists of a lens (101), an adjusting sheet (102) and a side wall (103), the lens (101) is arranged below the adjusting sheet (102), the side wall (103) is arranged on the side surfaces of the lens (101) and the adjusting sheet (102), the front end of the side wall (103) is fixed with a detachable lighting device (4), and the front end of the laryngoscope body (1) is fixed with an image device (3); and

the laryngoscope handle comprises a handle (2), wherein the top end of the handle (2) is detachably connected with a laryngoscope body (1), the handle (2) comprises an installation chamber (201), a torsion chamber (202) and a fixed chamber (203) which are sequentially connected from bottom to top, a power supply (6) and a transmission mechanism are arranged in the installation chamber (201), an opening (11) is arranged below the middle of one side of the installation chamber (201), a rotating gear A (10) is fixed in the opening (11), and the rotating gear A (10) is connected with an adjusting sheet (102) through the transmission mechanism; a rotary fixing piece (16) is arranged in the torsion chamber (202); be equipped with swiveling wheel B (17) in fixed chamber (203), swiveling wheel B (17) sets up the central authorities in fixed chamber (203) bottom surface, be fixed with second connecting block (18) on swiveling wheel B (17), second connecting block (18) are connected with laryngoscope body (1), keep away from laryngoscope body (1) rotation region's one side on second connecting block (18) and be equipped with and prolong rectangular (19), be equipped with elasticity fixture block (20) on prolonging rectangular (19), be close to in fixed chamber (203) and prolong rectangular (19) side and be equipped with stationary blade (21), stationary blade (21) end is equipped with spin (22), connect limiting plate (23) on spin (22), one side that limiting plate (23) are close to and prolong rectangular (19) is equipped with spacing groove (24), just spacing groove (24) and elasticity fixture block (20) phase-match, be equipped with telescopic button (25) on fixed chamber (203) the lateral wall of stationary blade (21) lower extreme, button (25) some is located fixed room (203), button (25) some is located outside fixed room (203), just button (25) are corresponding with the lower extreme of limiting plate (23), one side that the bottom surface of fixed room (203) is close to extension strip (19) is equipped with contact switch (26), contact switch (26) and the terminal phase-match that extends strip (19), just electric connection between contact switch (26) and image equipment (3), lighting apparatus (4) and power (6).

2. A laryngoscope according to claim 1, wherein: drive mechanism includes fixed block (7), transfer line (9), rotary gear B (12), center pin (13), swiveling wheel A (14) and first connecting block (15), fixed block (7) set up in installation room (201), one side that is close to rotary gear A (10) on fixed block (7) is equipped with slide rail (8), sliding connection has transfer line (9) in slide rail (8), the left surface and the right flank of transfer line (9) all are equipped with recess (903), recess (903) and the protruding phase-match of gear of rotary gear A (10), the other end of transfer line (9) is through twisting in room (202) and penetrating fixed room (203), the one end that transfer line (9) is located fixed room (203) is passed through recess (903) and is connected in rotary gear B (12), rotary gear B (12) can rotatably be fixed in the front side of fixed room (203) below, rotatory gear B (12) central authorities are equipped with center pin (13), swiveling wheel A (14) is connected to the other end of center pin (13), swiveling wheel A (14) rotatably fix the rear side in fixed room (203) below, just be equipped with first connecting block (15) on swiveling wheel A (14), the other end and adjustment sheet (102) of first connecting block (15) are fixed.

3. A laryngoscope according to claim 2, wherein: the lower end and the upper end of the transmission rod (9) are respectively provided with a first limiting piece (901) and a second limiting piece (902), the first limiting piece (901) is arranged on one side, close to the rotating gear A (10), of the transmission rod (9), and the second limiting piece (902) is arranged on one side, close to the rotating gear B (12), of the transmission rod (9).

4. A laryngoscope according to claim 1, wherein: a drainage hose (5) is arranged in the side wall (103) corresponding to the adjusting sheet (102), the other end of the drainage hose (5) is connected with a sputum cavity (27), and the sputum cavity (27) is arranged on one side of the outer surface of the fixed chamber (203).

5. A laryngoscope according to claim 4, wherein: a liquid suction device is arranged in the sputum cavity (27).

6. A laryngoscope according to claim 1, wherein: the upper end of the outer surface of the handle (2) is provided with a plurality of rough parts (28).

7. A laryngoscope according to claim 1, wherein: the camera is characterized in that the image equipment (3) is a camera or a video camera, a display screen is arranged on the handle (2), and the display screen is electrically connected with the image equipment (3) and the power supply (6).

8. A laryngoscope according to claim 1, wherein: the opening (11) below the mounting chamber (201) is arranged on one side opposite to the laryngoscope body (1).

9. A laryngoscope according to claim 1, wherein: the elastic fixture block (20) is of a structure with a narrow lower end and a wide upper end.

10. A method of using a laryngoscope, comprising: use of a laryngoscope according to any one of claims 1 to 9, in particular comprising the steps of:

installation: connecting the handle (2) and the laryngoscope body (1) together, wherein the laryngoscope body (1) is not vertical to the handle (2);

angle adjustment: the laryngoscope body (1) is rotated by holding the handle (2) by hand, the angle of the laryngoscope body (1) relative to the handle (2) is adjusted, so that the laryngoscope body (1) is perpendicular to the handle (2), the tail end of the time delay strip (19) is contacted with the contact switch (26), the power supply is triggered to start, the image device (3) and the lighting device (4) start to work, and the shot result is transmitted to the display screen; then the angle of the laryngoscope body (1) relative to the handle (2) is adjusted through the rotating fixing piece (16) in the twisting chamber (202) according to the actual situation, so that the laryngoscope is more suitable for different patients;

and (4) checking: after the laryngoscope is installed and adjusted, the laryngoscope is slowly inserted into the oral cavity of a patient for examination, the internal condition is paid attention to in real time according to the result displayed by the display screen, and then the rotating gear A (10) is adjusted according to the actual condition, so that the adjusting sheet (102) is driven to expand outwards, and the function of expanding the opening to assist the laryngoscope lens to extend into is achieved;

liquid drainage: after the adjusting sheet (102) expands outwards, a sputum accumulation cavity is formed among the lens (101), the adjusting sheet (102) and the side wall (103), and sputum is guided into the sputum cavity (27) through the liquid suction device through the liquid discharge hose (5);

and (4) ending: and (4) finishing the laryngoscopy, and cleaning, drying and storing the laryngoscope.

Images