CN210810930U

CN210810930U - Visual laryngoscope of removable laryngoscope blade

Info

Publication number: CN210810930U
Application number: CN201921480250.4U
Authority: CN
Inventors: 杨亚伟
Original assignee: Esound Medical Device Co ltd
Current assignee: Esound Medical Device Co ltd
Priority date: 2019-09-06
Filing date: 2019-09-06
Publication date: 2020-06-23
Anticipated expiration: 2029-09-06

Abstract

The utility model discloses a visual laryngoscope with replaceable laryngoscope blades, a display is rotationally connected with a handle, the bottom of the handle is connected with the laryngoscope blades through a universal adjusting device, the universal adjusting device comprises two clamping plates which are arranged in parallel, two rotatable spheres are arranged between the two clamping plates, the two spheres are respectively fixedly connected with the handle and the laryngoscope blades through adjusting rods, the universal adjusting device also comprises an adjusting bolt which traverses the two clamping plates, one end of the laryngoscope blade, which is far away from the handle, is provided with a tongue depressor, the tail ends of the tongue depressor and the laryngoscope blades are both provided with cameras, the cameras are evenly distributed with illuminating elements along the circumference thereof, and the cameras are in communication connection with the display; the visual laryngoscope also comprises a disposable lens. Through this setting, realized the removable of laryngoscope blade, improved the rate of utilization of visual laryngoscope, avoided the appearance of in-service blind area, improved the video definition, improved the success rate of intubate.

Description

Visual laryngoscope of removable laryngoscope blade

Technical Field

The utility model relates to a visual laryngoscope especially relates to a visual laryngoscope of removable laryngoscope blade.

Background

Trachea cannula is the conventional operation in operation, the first aid, because the throat position is dark, and the physiology structure is complicated, can not directly peep, so need with the help of some instruments when the throat inspection, like visual laryngoscope to fully reveal the glottis when trachea cannula, this has brought very big convenience for trachea cannula and has also improved trachea cannula's success rate. However, the existing visual laryngoscope has many disadvantages, the visual laryngoscope is generally provided with three types of large, medium and small, the structures of the handles and the display parts of the three types are the same, and the blade part of the laryngoscope is different in length only, so that the alternative use of the three types cannot be realized by replacing the blade part of the laryngoscope, which causes waste of product resources; the use objects of the visible laryngoscope comprise adults, teenagers and children, the curvature radians of the pharyngeal portions of different people are different, and the curvature radians and the widths of the laryngoscope blades used in China at present are basically consistent, so that the curvature radians of the laryngoscope blades and the curvature radians of the pharyngeal portions of the laryngoscope blades are different when some people use the visible laryngoscope, and the pharyngeal portions are damaged; at present, the tracheal catheter of the visible laryngoscope can shield partial camera visual field at the tail end of the laryngoscope blade in the use process, so that a visual field blind area is caused, the failure rate of intubation is increased, and the injury to the throat part of a patient can be generated.

Disclosure of Invention

The utility model provides a visual laryngoscope of removable laryngoscope blade to reduce because the laryngoscope blade mismatches and the patient damage that operator's field of vision blind area caused with the patient, reduce simultaneously because the laryngoscope blade can not be changed and the wasting of resources that causes.

The utility model discloses a concrete scheme does:

a visual laryngoscope with replaceable laryngoscope blades comprises a handle and a display, wherein the display is arranged at the top of the handle and is rotationally connected with the handle, the bottom of the handle is connected with the laryngoscope blades through a universal adjusting device, the laryngoscope blades are arc-shaped in structure, the universal adjusting device comprises two clamping plates which are arranged in parallel, two rotatable spheres are arranged between the two clamping plates, one sphere is fixedly connected with the bottom of the handle through an adjusting rod, the other sphere is fixedly connected with the laryngoscope blades through an adjusting rod, spherical grooves matched with the spheres are respectively arranged on the inner surfaces of the two clamping plates, the universal adjusting device further comprises an adjusting bolt which penetrates through the two clamping plates, and the adjusting bolt is positioned between the two spheres; a tongue depressor is arranged at one end of the laryngoscope blade, which is far away from the handle, the tail ends of the tongue depressor and the laryngoscope blade are respectively provided with a camera hole, an anti-atomization lens and a camera are sequentially arranged in the camera hole from outside to inside, the camera is uniformly distributed with lighting elements along the circumference, and the camera is in communication connection with a display; the visual laryngoscope further comprises a disposable lens, the disposable lens is detachably connected to the laryngoscope blade, the disposable lens comprises a blade cavity of a hollow arc-shaped structure sleeved on the laryngoscope blade, a tongue pressing cavity of the hollow arc-shaped structure sleeved on the tongue pressing plate, and the blade cavity and the tongue pressing cavity are integrally formed.

Preferably, the handle top seted up the mounting groove, be equipped with the connecting seat in the mounting groove, connecting seat and handle rotate through first pivot and be connected, the top of connecting seat rotates through second pivot and is connected with the display, first pivot and second pivot mutually perpendicular set up.

Preferably, the disposable lens is fixedly connected with an oxygen tube for oxygen supply and a sputum suction channel for placing the sputum suction tube along two sides of the disposable lens in the horizontal direction, and a gap for the catheter to pass through is formed in the side wall of the sputum suction channel along the axial direction of the sputum suction channel. When the laryngoscope is used for intubation, if a patient with difficult intubation possibly has a suffocation condition, the oxygen tube can convey oxygen to the position near the glottis, so that the suffocation risk is reduced; when there is secretion near patient's glottis, can disturb the camera, simultaneously because can not fully show the glottis to influence trachea cannula's success rate, and inhale the phlegm passageway and be used for placing and inhale the phlegm pipe, with the secretion near clearance patient's glottis, improve the intubate success rate, inhale the gap that sets up on the phlegm passageway and can be used for placing and remove fast and inhale the phlegm pipe.

Preferably, the blade cavity on be equipped with the card hole, be equipped with on the laryngoscope blade with card hole matched with buckle, buckle and the cooperation in card hole make disposable lens detachably install on the laryngoscope blade.

Preferably, the number of adjusting bolts is two, two adjusting bolts are arranged between the two spheres side by side, and the two spheres and the spherical grooves are both provided with anti-skid stripes. Adjusting bolt can be used for adjusting the tight degree of clamp between two clamp plates, and two adjusting bolt can realize the balance of clamping force between two clamp plates, simultaneously, through not hard up two adjusting bolt, two spheroids can break away from the clamp plate to realize dismantling between laryngoscope blade and the handle, be convenient for change the laryngoscope blade of different radians, length, with the physiological characteristics who adapts to adult, children's throat respectively.

Preferably, the lighting element is an LED lamp, the LED lamp belongs to a cold light source, the heat emitted by the LED lamp is small, discomfort of a patient is avoided, meanwhile, the heat emitted by the LED lamp can prevent fog from being generated on the surface of the camera, and the phenomenon that an operator atomizes on the surface of the camera in the using process is avoided.

Preferably, the laryngoscope blade and the tongue depressor are both arc-shaped, the radian of the laryngoscope blade is R, R is 1.5rad, 1.9rad, 2.5rad or 3.0rad, wherein 1.5rad is matched with the arc of the oral cavity pharyngeal portion of the infant, 1.9rad is matched with the arc of the oral cavity pharyngeal portion of the teenagers, 2.5rad and 3.0rad are matched with the arc of the oral cavity pharyngeal portion of the adult, corresponding laryngoscope blades can be selected respectively according to different patients before use, and the damage of the laryngoscope blades to the pharyngeal tissues of the patients in the use process is reduced.

Preferably, the outer wall surface of the disposable lens is provided with a slender groove for preventing secondary use, and after the disposable lens is used, liquid in the oral cavity is stored in the slender groove so as to distinguish and avoid repeated secondary use and avoid cross infection.

Preferably, the display switch and the LED lamp switch are arranged on the side face of the display, the display switch is electrically connected with the display, the LED lamp switch is electrically connected with the LED lamp, a battery mounting groove is formed in the handle, a battery is mounted in the battery mounting groove, and the display, the LED lamp and the camera are powered by the battery.

The utility model discloses the beneficial effect who has does: the universal adjusting device is arranged between the handle and the laryngoscope blade, so that the multi-angle adjustment of the handle and the laryngoscope blade is realized, the included angle between the laryngoscope blade and the handle is convenient to adjust, the teaching demonstration is facilitated, the influence of the body of a patient on an operator is eliminated, the laryngoscope blade can be replaced, the laryngoscope blade with the proper radian and length is selected according to different patients, and the throat part of the patient is prevented from being injured by the laryngoscope blade; the full utilization of the handle and the display is realized by replacing the laryngoscope blade, and the resource waste is avoided; the arrangement of the double cameras increases the sight range, avoids the occurrence of blind areas in the operation process and improves the success rate of intubation; the LED lamp arranged on the camera can make the sight line clearer, and meanwhile, the camera is prevented from being atomized, so that clearer video images are provided for operators; the oxygen channel can directly supply oxygen for the patient, so that the suffocation phenomenon of the patient with difficult intubation is avoided; the sputum excretion channel can eliminate secretions near the glottis, so that the exposure range and the definition of the glottis are improved, and the intubation success rate is improved.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the universal adjusting device of the present invention;

FIG. 3 is a schematic view of a partial structure of a laryngoscope blade according to the invention;

fig. 4 is a schematic structural diagram of the camera of the present invention;

FIG. 5 is a schematic structural view of the disposable lens of the present invention;

fig. 6 is a sectional view taken along line a-a of fig. 5.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

As shown in figure 1, the visual laryngoscope with replaceable laryngoscope blade comprises a handle 2 and a display 1, wherein the display 1 is arranged at the top of the handle 2, the display 1 is rotatably connected with the handle 2, the bottom of the handle 2 is connected with the laryngoscope blade 3 through a universal adjusting device 4, the laryngoscope blade 3 is arc-shaped, as shown in fig. 2, the universal adjusting device 4 comprises two clamping plates 403 arranged in parallel, two rotatable balls 402 arranged between the two clamping plates 403, one of the spheres 402 is fixedly connected with the bottom of the handle 2 through an adjusting rod 406, the other sphere 402 is fixedly connected with the laryngoscope blade 3 through an adjusting rod 406, the inner surfaces of the two clamping plates 403 are respectively provided with a spherical groove 404 matched with the sphere 402, the universal adjusting device 4 further comprises an adjusting bolt 401 traversing the two clamping plates 403, the adjusting bolt 401 being located between the two spheres 402; the number of the adjusting bolts 401 is two, the two adjusting bolts 401 are arranged between the two spheres 402 side by side, and the two spheres 402 and the spherical groove 404 are both provided with anti-slip stripes 405. The adjusting bolts 401 can be used for adjusting the clamping degree between the two clamping plates 403, the two adjusting bolts 401 can realize the balance of the clamping force between the two clamping plates 403, meanwhile, the two spheres 402 are separated from the clamping plates 403 by loosening the two adjusting bolts 401, so that the detachable connection between the laryngoscope blade 3 and the handle 2 is realized, the laryngoscope blade 3 with different radians and lengths can be conveniently replaced, the physiological characteristics of the throats of adults and children are respectively adapted, the injury of the laryngoscope blade to the throat of a patient is avoided, and the exposure range of the glottis of the patient is improved; the universal adjusting device 4 can also realize the adjustment of a plurality of angles between the handle 2 and the laryngoscope blade 3, thereby avoiding the influence caused by the body of a patient in the operation process and being convenient for teaching demonstration.

As shown in fig. 1 and 2, a tongue depressor 6 is arranged at one end of the laryngoscope blade 3 far away from the handle 2, the ends of the tongue depressor 6 and the laryngoscope blade 3 are respectively provided with a camera shooting hole 8, an anti-fogging lens and a camera 801 are sequentially arranged in the camera shooting hole 8 from outside to inside, and the camera 801 is in communication connection with the display 1. The display 1 is a conventional device, and the working principle and the connection mode thereof are the prior art, and detailed description is omitted; in the prior art, the visual laryngoscope is generally provided with only one camera, and the utility model is provided with two cameras 801, so that the laryngoscope can shoot a larger visual field area when entering the throat part of a human body, and the phenomenon that the tracheal tube shields the camera 801 when the tracheal intubation operation is carried out is avoided; the anti-fogging lens can prevent the surface of the camera 801 from fogging and affecting the sight. As shown in fig. 4, the camera 801 is uniformly distributed with the lighting elements 803 along the circumference thereof, the lighting elements 803 are LED lamps, the LED lamps belong to cold light sources, the heat emitted by the LED lamps is small, discomfort of patients is not brought, meanwhile, the heat emitted by the LED lamps can prevent the surface of the camera 801 from generating fog, and the phenomenon of atomization on the surface of the camera 801 during the use of an operator is avoided.

As shown in figure 1, the mounting groove has been seted up on 2 tops of handle, is equipped with connecting seat 5 in the mounting groove, and connecting seat 5 rotates through first pivot with handle 2 to be connected, and the top of connecting seat 5 rotates through second pivot and display 1 to be connected, and first pivot sets up with second pivot mutually perpendicular, has realized the rotation of 1 multi-angle of display to make things convenient for the operator to observe.

The shape of laryngoscope blade 3 and tongue depressor 6 is the arc, the radian of laryngoscope blade 3 is R, R is 1.5rad, 1.9rad, 2.5rad or 3.0rad, wherein 1.5rad is identical with the arc that infant's oral cavity meeting pars pharyngis, 1.9rad is identical with the arc that teenagers oral cavity meeting pars pharyngis identical, 2.5rad and 3.0rad are identical with the arc that adult's oral cavity meeting pars pharyngis, can select corresponding laryngoscope blade 3 respectively according to different patients before the use, the damage of laryngoscope blade 3 to patient's throat tissue in the use has been reduced.

As shown in fig. 5, the visual laryngoscope further comprises a disposable lens 7, the disposable lens 7 is detachably connected to the laryngoscope blade 3, the disposable lens 7 comprises a blade cavity 705 which is sleeved on the laryngoscope blade 3 and is of a hollow arc structure, a tongue depressing cavity 704 which is sleeved on the tongue depressing plate 6 and is of a hollow arc structure, and the blade cavity 705 and the tongue depressing cavity 704 are integrally formed. The disposable lens 7 is convenient and sanitary, and the soft silica gel material of the disposable lens avoids the injury to the throat of a patient.

As shown in fig. 5 and 6, an oxygen tube 702 for supplying oxygen and a sputum suction channel 707 for placing a sputum suction tube are respectively and fixedly connected to two sides of the disposable lens 7, the oxygen tube 702 and the sputum suction channel 707 are also arc-shaped, the radian of the oxygen tube 702 and the sputum suction channel 707 is the same as that of the disposable lens 7, and a slit 706 for a catheter to pass through is formed on the side wall of the sputum suction channel 707 along the axial direction thereof. During laryngoscope intubation, if a patient with difficult intubation may experience an asphyxia, the oxygen tube 702 may deliver oxygen to the vicinity of the glottis, thereby reducing the risk of asphyxia; when there is secretion near patient's glottis, can disturb camera 801, simultaneously because can not fully expose the glottis to influence trachea cannula's success rate, inhale phlegm passageway 707 and be used for placing and inhale the phlegm pipe, with the secretion near clearance patient's glottis, improve the intubate success rate, inhale the gap 706 that sets up on the phlegm passageway 707 and can be used for placing and remove fast and inhale the phlegm pipe.

The outer wall surface of the disposable lens 7 is provided with a slender groove 703 for preventing secondary use, and after the disposable lens 7 is used, liquid in the oral cavity is stored in the slender groove 703 for distinguishing and avoiding repeated secondary use, thereby avoiding cross infection.

As shown in fig. 1 and 5, a clamping hole 701 is formed on the blade cavity 705, a buckle 302 matched with the clamping hole 701 is formed on the laryngoscope blade 3, and the disposable lens 7 is detachably mounted on the laryngoscope blade 3 through the matching of the buckle 302 and the clamping hole 701.

As shown in fig. 1, a display switch 10 and an LED lamp switch 9 are arranged on the side surface of a display 1, the display switch 10 is electrically connected with the display 1, the LED lamp switch 9 is electrically connected with an LED lamp, the display 1 is in communication connection with a camera 801, a wire used for connection penetrates through a cavity of a handle 2 and a laryngoscope blade 3, a battery mounting groove is formed in the handle 2, a battery is mounted in the battery mounting groove, and the display 1, the LED lamp and the camera 801 are powered by the battery.

The above embodiments are not intended to limit the shape, material, structure, etc. of the present invention in any form, and all of the technical matters of the present invention belong to the protection scope of the present invention to any simple modification, equivalent change and modification of the above embodiments.

Claims

1. A visual laryngoscope of removable laryngoscope blade, includes handle, display, and the display is installed at the top of handle, its characterized in that: the display is rotatably connected with the handle, the bottom of the handle is connected with a laryngoscope blade through a universal adjusting device, the laryngoscope blade is arc-shaped in structure, the universal adjusting device comprises two clamping plates which are arranged in parallel, two rotatable spheres are arranged between the two clamping plates, one of the spheres is fixedly connected with the bottom of the handle through an adjusting rod, the other sphere is fixedly connected with the laryngoscope blade through the adjusting rod, spherical grooves matched with the spheres are respectively arranged on the inner surfaces of the two clamping plates, the universal adjusting device also comprises an adjusting bolt which penetrates through the two clamping plates, and the adjusting bolt is positioned between the two spheres; a tongue depressor is arranged at one end of the laryngoscope blade, which is far away from the handle, the tail ends of the tongue depressor and the laryngoscope blade are respectively provided with a camera hole, an anti-atomization lens and a camera are sequentially arranged in the camera hole from outside to inside, the camera is uniformly distributed with lighting elements along the circumference, and the camera is in communication connection with a display; the visual laryngoscope further comprises a disposable lens, the disposable lens is detachably connected to the laryngoscope blade, the disposable lens comprises a blade cavity of a hollow arc-shaped structure sleeved on the laryngoscope blade, a tongue pressing cavity of the hollow arc-shaped structure sleeved on the tongue pressing plate, and the blade cavity and the tongue pressing cavity are integrally formed.

2. A laryngoscope blade replaceable visual laryngoscope according to claim 1, wherein: the handle top seted up the mounting groove, be equipped with the connecting seat in the mounting groove, connecting seat and handle rotate through first pivot and be connected, the top of connecting seat rotates through second pivot and is connected with the display, first pivot and second pivot mutually perpendicular set up.

3. A laryngoscope blade replaceable visual laryngoscope according to claim 2, wherein: the two sides of the disposable lens are respectively and fixedly connected with an oxygen tube for oxygen supply and a sputum suction channel for placing the sputum suction tube, and the side wall of the sputum suction channel is provided with a gap for the catheter to pass through along the axial direction.

4. A laryngoscope blade replaceable visual laryngoscope according to claim 3, wherein: the blade cavity is provided with a clamping hole, and the laryngoscope blade is provided with a buckle matched with the clamping hole.

5. A laryngoscope blade replaceable visual laryngoscope according to claim 1, wherein: the quantity of adjusting bolt be two, two adjusting bolt set up side by side between two spheroids, two spheroids and spherical recess on all be equipped with anti-skidding stripe.

6. A visual laryngoscope with replaceable laryngoscope blades as claimed in claim 5, wherein: the lighting element is an LED lamp.

7. A laryngoscope blade replaceable visual laryngoscope according to claim 1, wherein: the laryngoscope blade and the tongue depressor are both arc-shaped, the radian of the laryngoscope blade is R, and R is 1.5rad, 1.9rad, 2.5rad or 3.0 rad.

8. A laryngoscope blade replaceable visual laryngoscope according to claim 1, wherein: the outer wall surface of the disposable lens is provided with a slender groove for preventing secondary use.

9. A visual laryngoscope with replaceable laryngoscope blades as claimed in claim 6, wherein: the LED lamp is characterized in that a display switch and an LED lamp switch are arranged on the side face of the display, the display switch is electrically connected with the display, the LED lamp switch is electrically connected with the LED lamp, a battery mounting groove is formed in the handle, a battery is mounted in the battery mounting groove, and the display, the LED lamp and the camera are powered by the battery.