CN115363513A - Wireless video laryngoscope for tracheal intubation - Google Patents

Abstract

The invention provides a wireless video laryngoscope for tracheal intubation, which comprises a handle, a display screen, a blade bracket and a disposable laryngoscope blade sleeved on the blade bracket, wherein the blade bracket is provided with a groove; the blade support is fixedly connected in the middle of the lower end of the handle, a telescopic rubber sleeve is sleeved on the outer wall of the blade support at intervals, the disposable laryngoscope blade is sleeved on the outer side of the blade support, the end part of the disposable laryngoscope blade is positioned on the inner wall of the telescopic rubber sleeve, the upper end of the telescopic rubber sleeve is fixedly connected with the lower end of the handle, and the lower end of the telescopic rubber sleeve is detachably connected with the end part of the disposable laryngoscope blade; the handle is provided with a telescopic adjusting mechanism for controlling the telescopic rubber sleeve to stretch and a blade dismounting mechanism for dismounting the disposable laryngoscope blade. The invention can facilitate the doctor to adjust the length of the blade according to the age and the throat depth of the patient, is convenient for the doctor to carry out tracheal intubation operation on different patients, is convenient and quick, improves the intubation efficiency and saves resources; avoid the doctor to point direct contact laryngoscope blade, effectively avoid patient's oral secretion to cause the infection and laryngoscope blade fish tail doctor to point to the doctor, improve the operational safety nature.

Description

Wireless video laryngoscope for tracheal intubation

Technical Field

The invention relates to the technical field of medical instruments, in particular to a wireless video laryngoscope for a tracheal intubation.

Background

In clinical medicine, trachea cannula is an important means for controlling respiratory tract in emergency treatment or general anesthesia of patients, and artificial ventilation by connecting a breathing machine behind the cannula is an important technology for ensuring the life safety of the patients. A laryngoscope is required for endotracheal intubation and is used by physicians to place an endotracheal tube into the subglottal after entering the oral cavity and exposing the glottis.

With the progress of medical technology, a video laryngoscope becomes one of medical instruments necessary for hospitals, and the existing video laryngoscope comprises a display, a handle, a blade support at the tail end of the handle and a laryngoscope blade, wherein the display, the handle and the blade support are repeatedly used, and the laryngoscope blade is disposable; generally, one video laryngoscope is provided with a large blade support, a medium blade support and a small blade support, and the large blade support, the medium blade support and the small blade support are respectively matched with a large laryngoscope lens, a medium laryngoscope lens and a small laryngoscope lens to correspond to different users such as adult males, adult females, children and the like. Therefore, the purchase cost of a hospital is high, when doctors examine different patients, time is wasted for selecting the blade support and the matched laryngoscope blade, so that the medical efficiency is reduced, and particularly when the patients are rescued, if the size of the laryngoscope blade is not matched with the size of the patient, the matched laryngoscope blade needs to be replaced, so that the rescue opportunity is delayed; and the disposable laryngoscope blade is inconvenient to remove after the intubation is finished, which brings trouble to the clinical intubation doctor, and the secretion which is possibly stuck to the patient by hand is removed by bare hands, thereby causing cross infection or scratching fingers and the like.

In view of the foregoing, there is a need for a wireless video laryngoscope for endotracheal intubation that overcomes the above-mentioned problems.

Disclosure of Invention

It is an object of the present invention to provide a wireless video laryngoscope for endotracheal intubation which overcomes the above problems.

In order to achieve the purpose, the invention adopts the technical scheme that: a wireless video laryngoscope for endotracheal intubation, comprising:

the laryngoscope blade comprises a handle, a display screen arranged at the upper end of the handle, a blade bracket arranged at the lower end of the handle and a disposable laryngoscope blade sleeved on the blade bracket;

the blade support is fixedly connected to the middle of the lower end of the handle, a telescopic rubber sleeve is sleeved on the outer wall of the blade support at a spacing, the disposable laryngoscope blade is sleeved on the outer side of the blade support, the end part of the disposable laryngoscope blade is positioned on the inner wall of the telescopic rubber sleeve, the upper end of the telescopic rubber sleeve is fixedly connected with the lower end of the handle, and the lower end of the telescopic rubber sleeve is detachably connected with the end part of the disposable laryngoscope blade;

the handle is provided with a telescopic adjusting mechanism for controlling the telescopic rubber sleeve to stretch out and draw back and a blade dismounting mechanism for dismounting the disposable laryngoscope blade.

The purpose of the invention and the technical problem to be solved can be further realized by adopting the following technical measures.

Further, a cavity is arranged inside the handle;

the telescopic adjusting mechanism comprises push rods arranged on the left side and the right side of the cavity and a first control assembly driving the push rods to slide up and down, and the lower ends of the push rods penetrate out of the bottom of the handle and are detachably connected with the upper end face of the disposable laryngoscope blade.

Further, first control assembly establishes including rotating the pivot in the cavity, establish respectively the cover the gear at pivot both ends and evenly establish the tooth of push rod lateral wall, two tooth on the push rod respectively with gear intermeshing, the arbitrary end of pivot is worn out the lateral wall of handle and with first knob fixed connection.

Furthermore, an L-shaped through hole is formed in the push rod;

the blade dismounting mechanism comprises an L-shaped rod arranged in the L-shaped through hole and a second control assembly for controlling the L-shaped rod to slide left and right, a vertical rod of the L-shaped rod is arranged in the L-shaped through hole in a sliding manner, the end part of a transverse rod of the L-shaped rod can penetrate out of or retract into the L-shaped through hole, a clamping block is arranged at the end part of the transverse rod of the L-shaped rod,

slots matched with the push rod are formed in two sides of the upper end face of the disposable laryngoscope blade respectively, and clamping grooves matched with the clamping blocks are formed in the side walls of the slots.

Furthermore, the second control assembly comprises supports which are fixedly arranged on the outer sides of the upper ends of the push rods respectively, a screw rod which is rotatably arranged between the supports, and nuts which are sleeved on the two ends of the outer wall of the screw rod respectively through threads, the two nuts are fixedly welded on the upper ends of the L-shaped rods respectively, the thread directions of the inner walls of the two nuts are opposite, and external threads on the two ends of the screw rod are matched with internal threads on the inner walls of the nuts respectively;

any end of the screw rod penetrates out of the side wall of the handle and is fixedly connected with the second knob, and a yielding groove for the screw rod to slide up and down is formed in the side wall of the handle.

Furthermore, a rubber dust cover is arranged on the receding groove, and a straight line seam is vertically formed in the middle of the rubber dust cover.

Further, the lower extreme an organic whole of flexible gum cover connects the stereoplasm lantern ring, the inner wall of stereoplasm lantern ring with the outer wall of disposable laryngoscope blade passes through the spring buckle and connects.

Further, a spring is further arranged between the telescopic rubber sleeve and the blade support, the upper end of the spring is fixedly connected to the lower end of the handle, and the lower end of the spring abuts against the upper end face of the disposable laryngoscope blade and surrounds the outer side of the push rod.

Further, the push rod comprises a hard straight rod section at the upper end and a flexible rod section welded at the lower end of the hard straight rod section, and the flexible rod section can generate corresponding arc bending along with the radian of the disposable laryngoscope blade.

Furthermore, a microprocessor, a wireless transmission module, an image processing module and a battery module are also arranged in the handle, and the microprocessor is respectively and electrically connected with the high-definition video camera, the wireless transmission module, the image processing module and the battery module at the end part of the blade bracket;

and the image acquired by the high-definition video camera is processed by the image processing module and then transmitted to the display screen and the external display terminal for real-time display.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the wireless video laryngoscope for tracheal intubation, the telescopic rubber sleeve is arranged at the lower end of the handle, the end part of the disposable laryngoscope blade is sleeved between the telescopic rubber sleeve and the blade support, the end part of the disposable laryngoscope blade is detachably connected with the telescopic rubber sleeve, and the telescopic adjusting mechanism of the telescopic rubber sleeve is arranged on the handle, so that a doctor can conveniently adjust the telescopic length of the telescopic rubber sleeve according to the age and the throat depth of a patient, the purpose of adjusting the length of the disposable laryngoscope blade is achieved, the length of the disposable laryngoscope blade is enough to open the glottis of the patient, the doctor can conveniently perform tracheal intubation operation on different patients, the operation is convenient and fast, the intubation efficiency is improved, and resources are saved.

2. According to the wireless video laryngoscope for the tracheal intubation, disclosed by the invention, the blade dismounting mechanism for dismounting the disposable laryngoscope blade is arranged, so that the disposable laryngoscope blade can be dismounted by utilizing the blade dismounting mechanism after a doctor finishes operating and taking out the laryngoscope, the direct contact of the fingers of the doctor with the laryngoscope blade is avoided, the infection of oral secretion of a patient to the doctor is effectively avoided, the fingers of the doctor are prevented from being scratched by the laryngoscope blade, and the operation safety of the doctor is improved.

3. According to the wireless video laryngoscope for the tracheal intubation, the spring is arranged in the telescopic rubber sleeve, the upper end of the spring is fixedly connected with the lower end of the handle, the lower end of the spring is abutted against the upper end face of the disposable laryngoscope blade, the elastic force of the spring can enable the telescopic rubber sleeve to be separated from the disposable laryngoscope blade at the moment that the clamping block is separated from the clamping groove through the rotation of the second knob, and finally the disposable laryngoscope blade is detached.

4. According to the wireless video laryngoscope for the tracheal intubation, the L-shaped rod is respectively provided with the rigid rod section and the flexible rod section at the lower end, and the flexible rod section can generate arc deformation along with the radian of the blade of the disposable laryngoscope, so that the flexible rubber sleeve can also generate certain deformation to adapt to the radian shape of the oropharynx part of a human body, the matching degree of the laryngoscope is improved, and a patient is prevented from being injured.

Drawings

FIG. 1 is a schematic view showing the overall structure of a wireless video laryngoscope for endotracheal intubation (provided with laryngoscope blades) according to the invention;

FIG. 2 is a schematic view of the overall construction of a wireless video laryngoscope for endotracheal intubation (without laryngoscope blade) provided by the invention;

FIG. 3 is a schematic view of a partial cross-sectional structure of a wireless video laryngoscope for endotracheal intubation provided by the invention (without a display screen);

FIG. 4 is an enlarged schematic view at A in FIG. 3;

FIG. 5 is an enlarged schematic view at B in FIG. 3;

FIG. 6 is an enlarged schematic view at C of FIG. 3;

FIG. 7 is an enlarged schematic view at D of FIG. 3;

description of the reference numerals:

1. a handle; 11. a cavity; 12. a yielding groove;

2. a display screen;

3. a blade holder;

4. a disposable laryngoscope blade; 41. a slot;

5. a telescopic adjusting mechanism; 51. a push rod; 511. an L-shaped through hole; 512. a hard straight pole section; 513. a flexible rod section; 52. a first control assembly; 521. a rotating shaft; 522. a gear; 523. a first knob;

6. a blade detaching mechanism; 61. an L-shaped rod; 62. a second control assembly; 621. a support; 622. a screw; 623. a nut; 624. a second knob; 63. a clamping block; 64. a card slot; 65. a spring;

7. a telescopic rubber sleeve; 71. a hard collar;

8. high definition video camera.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to 7, a wireless video laryngoscope for endotracheal intubation includes:

the laryngoscope comprises a handle 1, a display screen 2 arranged at the upper end of the handle 1, a blade bracket 3 arranged at the lower end of the handle 1 and a disposable laryngoscope blade 4 sleeved on the blade bracket 3; the blade support 3 and the disposable laryngoscope blade 4 have certain radian, and it is adapted to patient's oropharynx portion radian, and the display screen 2 passes through universal shaft swivelling joint in handle 1 upper end, rotates display screen 2 according to the demand when being convenient for the intubate operation, and this is prior art, and it is not described in detail.

The blade support 3 is fixedly connected to the middle of the lower end of the handle 1, a telescopic rubber sleeve 7 is sleeved on the outer wall of the blade support 3 at a spacing, the disposable laryngoscope blade 4 is sleeved on the outer side of the blade support 3, the end part of the disposable laryngoscope blade is positioned on the inner wall of the telescopic rubber sleeve 7, the upper end of the telescopic rubber sleeve 7 is fixedly connected with the lower end of the handle 1, and the lower end of the telescopic rubber sleeve 7 is detachably connected with the end part of the disposable laryngoscope blade 4;

the handle 1 is provided with a telescopic adjusting mechanism 5 for controlling the telescopic rubber sleeve 7 to stretch and a blade disassembling mechanism 6 for disassembling the disposable laryngoscope blade 4.

Specifically, flexible adjustment mechanism 5 can control the flexible of flexible gum cover 7, and when flexible gum cover 7 extended, it can produce certain radian along with the radian of blade support 3 to the disposable laryngoscope blade 4 of extension makes it accord with different patients 'the throat degree of depth, is used for opening the glottis, is convenient for doctor's trachea cannula operation. Because the disposable laryngoscope blade 4 cover is located in the outside of blade support 3 and its tip the inner wall of flexible gum cover 7 to the tip and the flexible gum cover 7 of disposable laryngoscope blade 4 can be dismantled and be connected, can dismantle disposable laryngoscope blade 4 from flexible gum cover 7 and blade support 3 through blade detaching mechanism 6, avoided the doctor to dismantle the laryngoscope blade with the hand, effectively avoid patient's oral secretion to cause the infection to the doctor, avoid laryngoscope blade fish tail doctor to point, improve the security of doctor's operation.

As shown in fig. 3, a cavity 11 is arranged inside the handle 1;

the telescopic adjusting mechanism 5 comprises push rods 51 arranged at the left side and the right side of the cavity 11 and a first control component 52 driving the push rods 51 to slide up and down, and the lower ends of the push rods 51 penetrate out of the bottom of the handle 1 and are detachably connected with the upper end face of the disposable laryngoscope blade 4. First control assembly 52 can control push rod 51 and slide from top to bottom, because the upper end face of push rod 51 lower extreme and disposable laryngoscope blade 4 is dismantled and is connected, when push rod 51 slides from top to bottom, disposable laryngoscope blade 4 also can be followed and slided, makes flexible gum cover 7 produce and stretch out and draw back, changes the length of whole disposable laryngoscope blade 4, makes its patient that accords with different ages or different throat depths use.

As shown in fig. 3 and 5, the first control assembly 52 includes a rotating shaft 521 rotatably disposed in the cavity 11, gears 522 respectively sleeved at two ends of the rotating shaft 521, and teeth uniformly disposed on side walls of the push rods 51, the teeth on the two push rods 51 are respectively engaged with the gears 522, and any end of the rotating shaft 521 penetrates through the side wall of the handle 1 and is fixedly connected with a first knob 523. By rotating the first knob 523, the two gears 522 can be driven to rotate, so that the toothed push rod 51 is driven to move up and down, and the lower end of the push rod 51 penetrates out of the bottom of the handle 1 and is detachably connected with the upper end face of the disposable laryngoscope blade 4, so that the push rod is limited by a sliding hole in the bottom of the handle 1 and can only move up and down.

As shown in fig. 3 and 4, an L-shaped through hole 511 is formed in the push rod 51;

the blade dismounting mechanism 6 comprises an L-shaped rod 61 arranged in the L-shaped through hole 511 and a second control component 62 for controlling the L-shaped rod 61 to slide left and right, the vertical rod of the L-shaped rod 61 is arranged in the L-shaped through hole 511 in a left and right sliding manner, the end part of the transverse rod of the L-shaped rod 61 can penetrate out of or retract into the L-shaped through hole 511, the end part of the transverse rod of the L-shaped rod 61 is provided with a clamping block 63,

two sides of the upper end face of the disposable laryngoscope blade 4 are respectively provided with a slot 41 matched with the push rod 51, the lower end of the push rod 51 is inserted into the slot 41, and the side wall of the slot 41 is provided with a clamping slot 64 matched with the clamping block 63.

In this embodiment, the second control component 62 can drive the vertical rod of the L-shaped rod 61 to slide left and right in the L-shaped through hole 511, so that the end of the horizontal rod of the L-shaped rod 61 can penetrate out of or retract into the L-shaped through hole 511, and the clamping block 63 and the clamping groove 64 can be clamped or separated from each other, thereby realizing the detachment of the disposable laryngoscope blade 4.

Preferably, the second control assembly 62 includes supports 621 fixedly disposed at outer sides of upper ends of the push rods 51, respectively, screw rods 622 rotatably disposed between the supports 621, and nuts 623 respectively sleeved at two ends of an outer wall of the screw rods 622 through threads, the two nuts 623 are fixedly welded to upper ends of the L-shaped rods 61, respectively, and thread directions of inner walls of the two nuts 623 are opposite, and external threads at two ends of the screw rods 622 are respectively matched with internal threads of inner walls of the nuts 623;

any end of the screw 622 penetrates through the side wall of the handle 1 and is fixedly connected with the second knob 624, and the side wall of the handle 1 is provided with a yielding groove 12 for the screw 622 to slide up and down.

Specifically, the screw 622 is driven to rotate by rotating the second knob 624, and due to the limitation of the L-shaped rod 61 and the L-shaped through hole 511, the nut 623 can only move left and right on the screw, so that the vertical rod of the L-shaped rod 61 is driven to slide left and right in the L-shaped through hole 511, the clamping block 63 and the clamping groove 64 are clamped or separated from each other, and the disposable laryngoscope blade 4 is detached.

In order to protect each part in the cavity 11, be equipped with the rubber dust cover on the groove 12 of stepping down, the middle vertical line seam of having seted up of rubber dust cover, the rubber dust cover has waterproof, antifouling effect, avoids inside water and the pollutant gets into equipment, makes handle 1 be convenient for clean and disinfect, avoids cross infection between the patient.

In order to facilitate the connection of the telescopic rubber sleeve 7 and the disposable laryngoscope blade 4 and facilitate the automatic disassembly along with the separation of the clamping block 63 and the clamping groove 64, the lower end of the telescopic rubber sleeve 7 is integrally connected with a hard sleeve ring 71, and the inner wall of the hard sleeve ring 71 is connected with the outer wall of the disposable laryngoscope blade 4 through a spring buckle. The spring buckle connection can be convenient for the connection of a small ball with a spring and the hemispherical groove, and the small ball with the spring can be separated by slightly applying external force.

Preferably, a spring 65 is further arranged between the telescopic rubber sleeve 7 and the blade support 3, the upper end of the spring 65 is fixedly connected to the lower end of the handle 1, and the lower end of the spring 65 abuts against the upper end face of the disposable laryngoscope blade 4 and surrounds the outer side of the push rod 51. At the moment that the second knob 624 rotates to enable the clamping block 63 and the clamping groove 64 to be separated from each other, the elastic force of the spring 65 enables the telescopic rubber sleeve 7 and the disposable laryngoscope blade 4 to be separated from each other, and finally the disposable laryngoscope blade 4 is detached.

Preferably, the pushing rod 51 comprises a rigid straight rod section 512 at the upper end and a flexible rod section 513 welded at the lower end of the rigid straight rod section 512, and the flexible rod section 513 can generate corresponding arc-shaped bending along with the arc of the disposable laryngoscope blade 4. The flexible pole section 513 is shorter than the rigid pole section 512, and the flexible pole section 513 can generate arc deformation along with the radian of the disposable laryngoscope blade 4, so that the telescopic rubber sleeve 7 can also generate certain deformation to adapt to the radian shape of the oropharynx part of a human body, thereby improving the matching degree of the laryngoscope and avoiding the injury of a patient. It should be noted that the flexible rod section 513 is only deformable in the direction of the arc of the disposable laryngoscope blade 4 and is not or only minimally deformable in other directions. (although the telescopic rubber sleeve 7 in the application is a flexible telescopic part, the internal push rod 51 for controlling the telescopic of the telescopic rubber sleeve has certain hardness, so that the integral hardness of the laryngoscope can be ensured, and the airway can be opened, meanwhile, the lower end of the push rod 51 comprises the flexible rod section 513, because the flexible rod section 513 is detachably connected with the disposable laryngoscope blade 4, when the disposable laryngoscope blade 4 slides along the arc-shaped blade support 3 under the pushing of the push rod 51, the flexible rod section 513 is driven by the disposable laryngoscope blade 4 to generate certain arc change, so that the flexible rubber sleeve 7 can generate certain deformation along with the arc of the disposable laryngoscope blade 4, and the flexible rubber sleeve 7 can also generate certain deformation to adapt to the arc shape of the oropharynx part of a human body, namely, the J shape is kept, but not the L shape.

Preferably, a microprocessor, a wireless transmission module, an image processing module and a battery module are further arranged in the handle 1, and the microprocessor is electrically connected with the high-definition video camera 8, the wireless transmission module, the image processing module and the battery module at the end part of the blade bracket 3 respectively; the battery module is used for providing sufficient electric energy for each module, the high-definition video camera 8 and the display screen 2 and ensuring the normal work of the modules; the microprocessor is used for controlling the opening and closing of each module.

The image acquired by the high-definition video camera 8 is processed by the image processing module and then transmitted to the display screen 2 and an external display terminal for real-time display through the wireless transmission module. The external display terminal can be a computer, a mobile phone, holographic glasses and the like, clinical teaching can be facilitated, the holographic glasses enable images acquired by the high-definition video camera 8 to be more three-dimensional and vivid, and teaching contents are enabled to be more vivid and deeper. It should be noted that the end of the blade support 3 is also provided with a lighting lamp which can provide brightness for the high-definition video camera 8 to acquire a video image, and the high-definition video camera 8 has a heating and defogging function, so that the camera is prevented from being covered by mist in a body, and the definition of the image is ensured; the illuminating lamp and the high-definition video camera 8 can penetrate through the front end of the disposable laryngoscope blade 4 and can illuminate the throat and obtain clear images respectively.

The present invention is further described with reference to the examples, but the present invention is not limited to the above-described embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims (10)

1. The utility model provides a wireless video laryngoscope for trachea cannula, includes handle (1), establishes display screen (2) of handle (1) upper end, establish blade support (3) and the cover of handle (1) lower extreme are in disposable laryngoscope blade (4) on blade support (3), its characterized in that:

the blade support (3) is fixedly connected to the middle of the lower end of the handle (1), a telescopic rubber sleeve (7) is sleeved on the outer wall of the blade support (3) at a spacing interval, the disposable laryngoscope blade (4) is sleeved on the outer side of the blade support (3), the end part of the disposable laryngoscope blade is positioned on the inner wall of the telescopic rubber sleeve (7), the upper end of the telescopic rubber sleeve (7) is fixedly connected with the lower end of the handle (1), and the lower end of the telescopic rubber sleeve is detachably connected with the end part of the disposable laryngoscope blade (4);

the handle (1) is provided with a telescopic adjusting mechanism (5) for controlling the telescopic rubber sleeve (7) to stretch and a blade disassembling mechanism (6) for disassembling the disposable laryngoscope blade (4).

2. The wireless video laryngoscope for endotracheal intubation according to claim 1, wherein:

a cavity (11) is arranged in the handle (1);

telescopic adjusting mechanism (5) is including establishing push rod (51) and the drive of cavity (11) left and right sides push rod (51) gliding first control assembly (52) from top to bottom, the lower extreme of push rod (51) is certainly the bottom of handle (1) is worn out and with the up end of disposable laryngoscope blade (4) is dismantled and is connected.

3. The wireless video laryngoscope for the endotracheal intubation according to claim 2, wherein the first control component (52) comprises a rotating shaft (521) rotatably arranged in the cavity (11), gears (522) respectively sleeved at two ends of the rotating shaft (521), and teeth uniformly arranged on the side walls of the push rods (51), the teeth on the two push rods (51) are respectively engaged with the gears (522), and any end of the rotating shaft (521) penetrates through the side wall of the handle (1) and is fixedly connected with the first knob (523).

4. The wireless video laryngoscope for endotracheal intubation according to claim 2, wherein:

an L-shaped through hole (511) is arranged in the push rod (51);

the blade dismounting mechanism (6) comprises an L-shaped rod (61) arranged in the L-shaped through hole (511) and a second control assembly (62) for controlling the L-shaped rod (61) to slide left and right, a vertical rod of the L-shaped rod (61) is arranged in the L-shaped through hole (511) in a sliding manner left and right, a transverse rod end of the L-shaped rod (61) can penetrate out of or retract into the L-shaped through hole (511), and a clamping block (63) is arranged at the transverse rod end of the L-shaped rod (61);

slots (41) matched with the push rods (51) are formed in two sides of the upper end face of the disposable laryngoscope blade (4) respectively, and clamping grooves (64) matched with the clamping blocks (63) are formed in the side walls of the slots (41).

5. The wireless video laryngoscope for endotracheal intubation according to claim 4, wherein:

the second control assembly (62) comprises supports (621) fixedly arranged on the outer sides of the upper ends of the push rods (51), screw rods (622) rotatably arranged between the supports (621) and nuts (623) respectively sleeved at two ends of the outer wall of the screw rods (622) through threads, the two nuts (623) are fixedly welded at the upper ends of the L-shaped rods (61) respectively, the thread directions of the inner walls of the two nuts (623) are opposite, and external threads at two ends of the screw rods (622) are matched with internal threads of the inner walls of the nuts (623) respectively;

any end of the screw rod (622) penetrates out of the side wall of the handle (1) and is fixedly connected with the second knob (624), and the side wall of the handle (1) is provided with a yielding groove (12) for the screw rod (622) to slide up and down.

6. The wireless video laryngoscope for endotracheal intubation according to claim 5, wherein the receding groove (12) is provided with a rubber dust cover, and a straight slit is vertically formed in the middle of the rubber dust cover.

7. The wireless video laryngoscope for endotracheal intubation according to claim 2, characterized in that the lower end of the telescopic rubber sleeve (7) is integrally connected with a hard sleeve ring (71), and the inner wall of the hard sleeve ring (71) is connected with the outer wall of the disposable laryngoscope blade (4) through a spring buckle.

8. The wireless video laryngoscope for endotracheal intubation according to claim 2, characterized in that a spring (65) is further disposed between the telescopic rubber sleeve (7) and the blade support (3), the upper end of the spring (65) is fixedly connected to the lower end of the handle (1), and the lower end of the spring (65) abuts against the upper end face of the disposable laryngoscope blade (4) and surrounds the outer side of the push rod (51).

9. A wireless video laryngoscope for endotracheal intubation according to claim 2, wherein the push rod (51) comprises a rigid straight rod section (512) at an upper end and a flexible rod section (513) welded at a lower end of the rigid straight rod section (512), the flexible rod section (513) being correspondingly curved in an arc according to the arc of the disposable laryngoscope blade (4).

10. The wireless video laryngoscope for endotracheal intubation according to claim 1, wherein:

the handle (1) is internally provided with a microprocessor, a wireless transmission module, an image processing module and a battery module, and the microprocessor is respectively and electrically connected with the high-definition video camera (8), the wireless transmission module, the image processing module and the battery module at the end part of the blade bracket (3);

the image acquired by the high-definition video camera (8) is processed by the image processing module and then transmitted to the display screen (2) and the external display terminal for real-time display.

Images