Laryngoscope

Abstract

The present application relates to a kind of laryngoscopes, belong to medical instrument technical field, solve the existing technology in the patient of mouth opening restriction when using laryngoscope to carry out tracheal intubation auxiliary operation, laryngoscope is difficult to be placed and the operation space is susceptible to the influence of tongue body falling problem.The present application includes mirror body unit, the mirror body unit includes main mirror body, support wing and wing spread controller, the main mirror body is equipped with accommodating groove cavity;The support wing is arranged in accommodating groove cavity, and can extend or retract accommodating groove cavity;The wing spread controller is used to control the extension or retraction of support wing.The present application can accurately control the degree of support plate extension or retraction, so that the length of support plate extension can be adjusted according to the specific circumstances of patient, ensure that the laryngoscope can be placed in the oral cavity of mouth opening restriction patient, and simultaneously accurately provide suitable support force for patient tongue body, expand the operation space of tracheal intubation, improve the quality and efficiency of tracheal intubation operation.

Description

Technical Field

[0001] The present invention relates to the technical field of medical instruments, and in particular to a laryngoscope. Background Art

[0002] Limited mouth opening refers to a clinical feature in which the patient's voluntary mouth opening is significantly lower than the normal physiological range (usually less than 3 x-digits). This can be caused by a variety of conditions, including temporomandibular joint disease, masticatory muscle dysfunction, or facial trauma. For patients with limited mouth opening, laryngoscope placement is often difficult during tracheal intubation, and there is even a risk of failure. When anesthetized or unconscious, the tongue of a patient with limited mouth opening will drop. Due to the small size of the laryngoscope, it cannot effectively support the tongue, thus affecting the operating space (the space between the tongue and the hard palate), requiring repeated manipulations, causing damage to the patient's oral tissues, or leading to tracheal intubation failure and more serious consequences. Summary of the Invention

[0003] In view of the above analysis, the present invention aims to provide a laryngoscope to solve the problems in the prior art of difficulty in inserting the laryngoscope and the operating space being easily affected by the tongue falling when patients with limited mouth opening use the laryngoscope to assist in tracheal intubation.

[0004] The purpose of the present invention is mainly achieved through the following technical solutions:

[0005] A laryngoscope comprises a body unit, wherein the body unit comprises a main body, support wings and a wingspan controller, wherein the main body is provided with a receiving groove cavity; the support wings are arranged in the receiving groove cavity and can extend or retract into the receiving groove cavity; the wingspan controller is used to control the extension or retraction of the support wings.

[0006] Furthermore, the mirror unit also includes an adjustable mirror and an angle controller, the adjustable mirror is hinged to the main mirror and can be bent; the angle controller is connected to the adjustable mirror and is used to control the bending angle of the adjustable mirror.

[0007] Furthermore, the angle controller includes a second take-up rod, a first angle control line and a second angle control line.

[0008] Furthermore, one end of the first angle control line is fixedly connected to the second take-up rod and wound around the second take-up rod, and the other end of the first angle control line is fixedly connected to the tail end of the adjustable mirror body.

[0009] Furthermore, one end of the second angle control line is fixedly connected to the second take-up rod, and the other end of the second angle control line is fixedly connected to the tail end mirror body section of the adjustable mirror body.

[0010] Further, the second angle control line is wound on the second take-up rod in a direction opposite to the first angle control line.

[0011] Further, the second angle control line is arranged opposite to the first angle control line.

[0012] Further, the angle controller further comprises a second drive screw and a second gear; the second gear is fixedly installed on the second take-up rod and engaged with the second drive screw; the second gear drives the second take-up rod to rotate by rotating the second drive screw.

[0013] Further, a display unit is further included, which is used to display the specific position of the tail end of the current adjustable mirror body in real time.

[0014] Further, the display unit comprises a display, a camera and a power supply; the camera is arranged on the adjustable mirror body; the display is connected with the camera.

[0015] Further, the support wing comprises a seat body, a support plate, an air bag and a first spring; the seat body is installed in the accommodating groove; the support plate is installed on the seat body and can slide on the seat body; the air bag is installed on the seat body and connected with the wing span controller; the air bag is driven to expand by the wing span controller, and the air bag pushes the support plate to slide on the seat body and extend out of the accommodating groove; one end of the first spring is fixedly connected with the seat body, and the other end is fixedly connected with the support plate; the first spring is used to support the support plate to retract into the accommodating groove when the air bag retracts.

[0016] Further, the wing span controller comprises a charging cavity, a buffer cavity, a plunger, an air inlet one-way valve, an air outlet one-way valve, a connecting air pipe and an adjusting valve; the air inlet one-way valve is installed on the charging cavity; the charging cavity and the buffer cavity are communicated through the air outlet one-way valve; the plunger is arranged in the charging cavity and can slide in the charging cavity; the plunger can compress the gas in the charging cavity into the buffer cavity by sliding; one end of the connecting air pipe is connected with the buffer cavity, and the other end is connected with the air bag; the adjusting valve is installed on the buffer cavity; the adjusting valve is used to control the opening and closing of the buffer cavity and the external environment, so as to adjust the air pressure in the air bag.

[0017] Further, a guide column is further arranged on the main mirror body, and the guide column is located in the accommodating groove; a slide channel is arranged on the seat body, and the slide channel is sleeved on the guide column and can slide on the guide column, so as to adjust the position of the support wing on the main mirror body.

[0018] Further, the mirror body unit further comprises a position controller, the position controller comprising a first take-up rod, a position control line and a third spring; one end of the position control line is fixedly connected with the first take-up rod and can be wound on the first take-up rod, the other end of the position control line is fixedly connected with the seat body; one end of the third spring is fixedly connected with the accommodating groove cavity, the other end of the third spring is fixedly connected with the seat body, and the third spring always exerts an elastic pulling force on the seat body.

[0019] Further, the position controller further comprises a first drive screw and a first gear; the first gear is fixedly installed on the first take-up rod and is engaged with the first drive screw, and the first gear can be driven to rotate the first take-up rod by rotating the first drive screw.

[0020] Further, the drive further comprises a drive rotary wheel, a first drive gear disc and a second drive gear disc, the drive rotary wheel is sleeved on the first drive screw and the second drive screw and can slide on the first drive screw and the second drive screw, and can also rotate relative to the first drive screw or the second drive screw; the first drive gear disc and the second drive gear disc are located on both sides of the drive rotary wheel, the first drive gear disc is opposite to the first follow-up gear disc arranged on the first drive screw and can be engaged, and the second drive gear disc is opposite to the second follow-up gear disc arranged on the second drive screw and can be engaged.

[0021] The technical scheme of the present application can at least achieve one of the following effects:

[0022] (1) The laryngoscope comprises a mirror body unit, the mirror body unit comprises a main mirror body, a support wing and a wing spread controller, the main mirror body is provided with an accommodating groove cavity; the support wing is arranged in the accommodating groove cavity and can extend out of or retract into the accommodating groove cavity; the wing spread controller is used for controlling the extension or retraction of the support wing; the present application can accurately control the extension or retraction degree of the support plate, so that the length of the support plate extending out can be adjusted according to the specific condition of the patient, to ensure that the laryngoscope can be put into the oral cavity of a patient with limited mouth opening, and at the same time, the laryngoscope can accurately provide appropriate support force for the tongue of the patient, improve the support effect, expand the operation space of tracheal intubation, and improve the quality and efficiency of tracheal intubation operation; at the same time, the discomfort or potential risk caused by excessive or insufficient support is avoided, and the flexibility and adaptability of the laryngoscope are enhanced.

[0023] (2) The wingspan controller of the present application comprises an inflation cavity, a buffer cavity, a plunger, an air inlet check valve, an air outlet check valve, a connecting air pipe and an adjusting valve, the air inlet check valve is installed on the inflation cavity, the inflation cavity and the buffer cavity are communicated through the air outlet check valve, the plunger is arranged in the inflation cavity and can slide in the inflation cavity, the gas in the inflation cavity can be compressed into the buffer cavity by sliding the plunger, one end of the connecting air pipe is connected with the buffer cavity, and the other end is connected with the air bag, the adjusting valve is installed on the buffer cavity, the adjusting valve is used for controlling the opening and closing of the buffer cavity and the external environment, so as to adjust the air pressure in the air bag, the wingspan controller is used to realize the accurate control of the extension or retraction degree of the support plate from the accommodating groove, or the retraction of the support plate into the accommodating groove, so that the length of the support plate can be adjusted according to the specific situation of the patient, the support plate can accurately provide appropriate support force for the patient's tongue body, the support effect is improved, the discomfort or potential risk caused by excessive or insufficient support is avoided, and the flexibility and adaptability of the laryngoscope are enhanced.

[0024] (3) The mirror body unit of the present application further comprises a position controller, the position controller comprises a first take-up rod, a position control line and a third spring, one end of the position control line is fixedly connected with the first take-up rod and can be wound on the first take-up rod, the other end of the position control line is fixedly connected with the seat body, one end of the third spring is fixedly connected with the accommodating groove, and the other end is fixedly connected with the seat body, the third spring always exerts an elastic pulling force on the seat body, rotating the first take-up rod makes the position control line wind on the first take-up rod, and then drives the seat body to slide along the guide column, reversing the first take-up rod releases the position control line, and under the action of the elastic pulling force of the third spring, the seat body reversely slides along the guide column, the cooperation of the winding of the position control line on the first take-up rod and the elastic pulling force of the third spring realizes the sliding of the support wing in the accommodating groove, so as to adjust the position of the support wing on the main mirror body, accurately adjust the position of the support wing according to the specific situation of each patient, ensure that the support wing is in the most favorable position for supporting the tongue body, and more effectively support the tongue body, so as to provide more personalized and accurate treatment and care for the patient.

[0025] In the present application, the above-mentioned technical solutions can be combined with each other to realize more preferred combination schemes. Other features and advantages of the present application will be described in the subsequent description, and some advantages will become apparent from the description or be understood by implementing the present application. The purposes and other advantages of the present application can be realized and obtained from the specific embodiments described in the specification and the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0026] The accompanying drawings are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the principles of the application.

[0027] Figure 1 Structure diagram of a laryngoscope according to an embodiment of the present application;

[0028] Figure 2 Structure diagram of a laryngoscope according to an embodiment of the present application;

[0029] Figure 3 Structure diagram of a main mirror body according to an embodiment of the present application;

[0030] Figure 4 Structure diagram of a support wing, a wing span controller and a position controller according to an embodiment of the present application;

[0031] Figure 5 Structure diagram of a drive according to an embodiment of the present application; Figure 4 Partial enlarged view of A;

[0032] Figure 6 Structure diagram of a drive according to an embodiment of the present application; Figure 4 Partial enlarged view of B;

[0033] Figure 7 Structure diagram of a drive according to an embodiment of the present application;

[0034] Figure 8 Structure diagram of a drive according to an embodiment of the present application;

[0035] Reference signs:

[0036] 1. handle; 2. mirror body unit; 21. main mirror body; 211. accommodating groove; 212. guide column; 22. support wing; 221. seat body; 2211. slide; 222. support plate; 223. air bag; 224. first spring; 23. wing span controller; 231. inflation cavity; 232. buffer cavity; 233. plunger; 234. air inlet one-way valve; 235. air outlet one-way valve; 236. connecting air pipe; 237. regulating valve; 238. second spring; 24. position controller; 241. first drive screw; 242. first gear; 243. first take-up rod; 244. position control line; 245. third spring; 246. first follow-up gear; 25. adjustable mirror body; 26. angle controller; 261. second drive screw; 262. second gear; 263. second take-up rod; 264. first angle control line; 265. second angle control line; 266. second follow-up gear; 3. drive; 31. drive wheel; 32. first drive gear; 33. second drive gear; 4. display unit; 41. camera. DETAILED DESCRIPTION

[0037] The preferred embodiments of the present application will be described in detail below with reference to the drawings, in which the drawings constitute a part of the present application and are used to explain the principles of the present application together with the embodiments of the present application, but are not used to limit the scope of the present application.

[0038] Embodiment 1

[0039] In one specific embodiment of the present application, a laryngoscope is disclosed, as shown in Figure 1 、 Figure 2 and Figure 3 , comprising a handle 1 and a mirror body unit 2 mounted on the handle 1, the mirror body unit 2 comprising a main mirror body 21, a supporting wing 22 and a wing span controller 23, the main mirror body 21 being connected with the handle 1; the main mirror body 21 is provided with a containing groove cavity 211, the supporting wing 22 is arranged in the containing groove cavity 211 and can extend out of the containing groove cavity 211; the wing span controller 23 is mounted on the handle 1 and connected with the supporting wing 22, for controlling the supporting wing 22 to extend out of or retract into the containing groove cavity 211, when the supporting wing 22 retracts into the containing groove cavity 211, it can ensure smooth insertion or withdrawal of the laryngoscope into the oral cavity of a patient with limited mouth opening; when the supporting wing 22 extends out of the containing groove cavity 211, it can provide support for the descended tongue of the patient, thereby expanding the operation space of tracheal intubation and improving the quality and efficiency of tracheal intubation; compared with the prior art, the laryngoscope of the present embodiment can be applied to patients with limited mouth opening, and can provide support for the descended tongue of the patient during tracheal intubation operation, thereby expanding the operation space of tracheal intubation and improving the quality and efficiency of tracheal intubation.

[0040] Preferably, as shown in Figure 4 and Figure 5As shown, the support wing 22 comprises a seat body 221, a support plate 222, an air bag 223 and a first spring 224, the seat body 221 is installed in the accommodating groove 211; the support plate 222 is installed on the seat body 221 and can slide on the seat body 221; the air bag 223 is installed on the seat body 221 and connected with the wing span controller 23, the air bag 223 can be driven to expand through the wing span controller 23, the air bag 223 expands to push the support plate 222 to slide on the seat body 221 and extend out of the accommodating groove 211, which can timely and effectively provide support for the falling tongue of the patient, thereby expanding the operation space of tracheal intubation and improving the quality and efficiency of tracheal intubation; one end of the first spring 224 is fixedly connected with the seat body 221, and the other end is fixedly connected with the support plate 222, the first spring 224 is used for applying elastic tension to the support plate 222, when the air bag 223 is contracted, the support plate 222 can automatically return to the initial position under the action of the elastic tension of the first spring 224, so as to realize the control of the support plate 222 retracting into the accommodating groove 211; at the same time, through the cooperation of the air bag 223 and the first spring 224, the degree of the support plate 222 extending out of or retracting into the accommodating groove 211 can be accurately controlled, so that the length of the support plate 222 extending out can be personalized adjusted according to the specific condition of the patient, ensuring that the support plate 222 can accurately provide appropriate support force for the tongue of the patient, improving the support effect, avoiding discomfort or potential risks caused by excessive or insufficient support, and enhancing the flexibility and adaptability of the laryngoscope.

[0041] Preferably, as Figure 6 As shown, the wing span controller 23 comprises an inflation cavity 231, a buffer cavity 232, a plunger 233, an air inlet one-way valve 234, an air outlet one-way valve 235 and a connecting air pipe 236, the air inlet one-way valve 234 is installed on the inflation cavity 231, which is used to ensure that the gas can only flow into the inflation cavity 231 from the external environment; the inflation cavity 231 and the buffer cavity 232 are both located on the handle 1 and are communicated through the air outlet one-way valve 235, the air outlet one-way valve 235 is used to control the gas to flow from the inflation cavity 231 to the buffer cavity 232 only; the plunger 233 is arranged in the inflation cavity 231 and can slide in the inflation cavity 231, the gas in the inflation cavity 231 can be compressed into the buffer cavity 232 by sliding the plunger 233; one end of the connecting air pipe 236 is connected with the buffer cavity 232, and the other end is connected with the air bag 223; during use, the plunger 233 is pressed to compress the gas in the inflation cavity 231 into the buffer cavity 232, and then the gas is delivered to the air bag 223 through the connecting air pipe 236, so that the air bag 223 expands, and then the support plate 222 extends out of the accommodating groove 211 to provide support for the falling tongue of the patient, thereby expanding the operation space of tracheal intubation and improving the quality and efficiency of tracheal intubation.

[0042] Preferably, as Figure 6As shown, the wingspan controller 23 further comprises an adjusting valve 237 mounted on the buffer cavity 232, which is used to control the opening and closing of the buffer cavity 232 to the external environment, so as to adjust the air pressure in the air bag 223, and at the same time, under the elastic pulling force of the first spring 224, to realize the precise control of the degree of the support plate 222 extending out of or retracting into the accommodating groove cavity 211, or controlling the support plate 222 to retract into the accommodating groove cavity 211, so that the length of the support plate 222 extending out can be personalized according to the specific situation of the patient, ensuring that the support plate 222 can accurately provide appropriate support force for the patient's tongue, improving the support effect, while avoiding discomfort or potential risks caused by excessive or insufficient support, and enhancing the flexibility and adaptability of the laryngoscope.

[0043] Preferably, as shown in the drawings, Figure 6 As shown, the wingspan controller 23 further comprises a second spring 238 mounted in the inflation cavity 231, one end of which is fixedly connected with the inner wall of the inflation cavity 231, and the other end is fixedly connected with the plunger 233, which is used to exert an elastic pushing force on the plunger 233. When the operator presses the plunger 233, the second spring 238 is compressed to store elastic potential energy. After the plunger 233 is released, the plunger 233 can automatically return to the initial position under the elastic pushing force of the second spring 238, thereby greatly improving the convenience of operation. The operator does not need to manually reset the plunger 233, but only needs to complete the pressing action, reducing the additional operation steps, making the operation process of controlling the support plate 222 to extend more smooth and efficient, saving manpower and reducing labor intensity.

[0044] Embodiment 2

[0045] Embodiment 2 is an improvement of the support wing 22 of embodiment 1, which can slide in the accommodating groove cavity 211, so as to adjust the position of the support wing 22 on the main mirror body 21, and then accurately adjust the position of the support wing 22 according to the specific situation of each patient, to ensure that it is in the most favorable position for supporting the tongue, and more effectively support the tongue, providing more personalized and accurate treatment and care for the patient.

[0046] Preferably, as shown in the drawings, Figure 3 As shown, the main mirror body 21 is further provided with a guide column 212 located in the accommodating groove cavity 211, which is used to guide the sliding of the support wing 22.

[0047] Preferably, as shown in the drawings, Figure 5 As shown, the seat body 221 is provided with a slide 2211 which is sleeved on the guide column 212 and can slide along the guide column 212.

[0048] Preferably, if Figure 2 As shown, the mirror unit 2 also includes a position controller 24, which is installed on the handle 1 and connected to the base 221. It is used to adjust the position of the base 221 on the main mirror body 21, thereby adjusting the position of the support wing 22 on the main mirror body 21. It is easy to operate and does not require equipment replacement, which significantly improves the flexibility and efficiency of the operation and saves valuable rescue time.

[0049] Preferably, if Figure 7 As shown, the position controller 24 includes a first wire-taking rod 243, a position control line 244 and a third spring 245. The first wire-taking rod 243 is installed in the handle 1 and is rotatably connected to the handle 1; one end of the position control line 244 is fixedly connected to the first wire-taking rod 243 and can be wound around the first wire-taking rod 243, and the other end of the position control line 244 is fixedly connected to the seat body 221; one end of the third spring 245 is fixedly connected to the accommodating groove cavity 211, and the other end is fixedly connected to the seat body 221, and always applies elastic tension to the seat body 221; the first wire-taking rod 243 is rotated to make the position control line 244 wind around the first wire-taking rod 243, thereby driving the seat body 2 21 slides along the guide column 212; the first take-up rod 243 is rotated in the opposite direction to release the position control line 244, and under the elastic tension of the third spring 245, the seat body 221 slides in the opposite direction along the guide column 212; the winding of the position control line 244 on the first take-up rod 243 and the elastic tension of the third spring 245 cooperate with each other to realize the sliding of the support wing 22 in the accommodating groove cavity 211, thereby adjusting the position of the support wing 22 on the main mirror body 21, and realizing the precise adjustment of the position of the support wing 22 according to the specific situation of each patient, ensuring that the support wing 22 is in the most favorable position for supporting the tongue, more effectively supporting the tongue, and providing patients with more personalized and precise treatment and care.

[0050] Preferentially, as Figure 7As shown, the position controller 24 further comprises a first drive screw 241 and a first gear 242, the first drive screw 241 is installed in the handle 1 and is rotationally connected with the handle 1; the first gear 242 is fixedly installed on the first take-up rod 243 and is engaged with the first drive screw 241; by rotating the first drive screw 241, the first gear 242 can be quickly driven to rotate the first take-up rod 243, thereby achieving the convenient and quick rotation of the first take-up rod 243, and further achieving the quick adjustment of the position of the support wing 22 on the main mirror body 21; in addition, the first gear 242 and the first drive screw 241 constitute a worm gear structure, and when no external force is applied to the first drive screw 241, the worm gear structure formed by the first gear 242 and the first drive screw 241 can realize self-locking function, thereby ensuring the stability of the position of the support wing 22 after adjustment, and further providing stable support for the prolapsed tongue of the patient, and further enhancing the support effect.

[0051] Preferably, as Figure 4 As shown, the connecting air pipe 236 has a redundant section, which is spirally wound on the guide column 212, ensuring that the connecting air pipe 236 has sufficient length and space to adapt to the position change of the support wing 22, so that when the support wing 22 moves, it can effectively prevent the connecting air pipe 236 from folding and avoid airway obstruction, ensuring that the gas can stably and efficiently pass through the connecting air pipe 236 into the air bag 223, and ensuring that the air bag 223 can timely and accurately complete the inflation and contraction action, providing a strong guarantee for the normal work of the support wing 22; at the same time, the redundant part of the connecting air pipe 236 can also effectively avoid stacking and prevent additional resistance to the sliding of the support wing 22, so that the support wing 22 can move smoothly in the accommodating groove 211, and further enable the operator to easily adjust the position of the support wing 22, thereby improving the flexibility and convenience of operation.

[0052] Embodiment 3

[0053] Embodiment 3 is an improvement on the mirror body unit 2 of embodiment 2, as Figure 2 As shown, the mirror body unit 2 further comprises an adjustable mirror body 25 and an angle controller 26, the adjustable mirror body 25 is hinged with the main mirror body 21 and is located at the end away from the handle 1, and can be bent; the angle controller 26 is installed on the handle 1 and is connected with the adjustable mirror body 25, for accurately controlling the bending angle of the adjustable mirror body 25, so that the tail end of the adjustable mirror body 25 (i.e. the end away from the handle 1) can be opposite to the epiglottis of the patient and lift the epiglottis, clearly exposing the glottis of the patient, providing a clearer and more direct view for tracheal intubation operation, which helps the doctor to accurately insert the tracheal tube into the trachea, reduces the occurrence of misinsertion into the esophagus and other complications, and significantly improves the accuracy and success rate of tracheal intubation.

[0054] Preferably, the adjustable mirror body 25 comprises a plurality of mirror body segments which are hingedly connected in sequence.

[0055] Preferably, as shown in Figure 3 and Figure 7 the angle controller 26 comprises a second take-up rod 263, a first angle control line 264 and a second angle control line 265, the second take-up rod 263 is mounted in the handle 1 and is rotationally connected with the handle 1; one end of the first angle control line 264 is fixedly connected with the second take-up rod 263 and is wound on the second take-up rod 263, the other end of the first angle control line 264 is fixedly connected with the tail end mirror body segment of the adjustable mirror body 25 (i.e. the mirror body segment away from the handle 1); one end of the second angle control line 265 is fixedly connected with the second take-up rod 263 and is wound on the second take-up rod 263 in the opposite direction of the first angle control line 264, the other end of the second angle control line 265 is fixedly connected with the tail end mirror body segment of the adjustable mirror body 25 (i.e. the mirror body segment away from the handle 1) and is arranged opposite to the first angle control line 264; by rotating the second take-up rod 263, the first angle control line 264 can be wound on the second take-up rod 263 and the second angle control line 265 is released at the same time, or vice versa, the second angle control line 265 is wound on the second take-up rod 263 and the first angle control line 264 is released at the same time, so as to accurately adjust the bending angle of the adjustable mirror body 25, so that the tail end of the adjustable mirror body 25 can quickly and accurately aim at the epiglottis of the patient, lift the epiglottis and clearly display the glottis, providing a clearer and more direct view for tracheal intubation operation, which helps the doctor to accurately insert the tracheal tube into the trachea and reduces the risk of misinsertion into the esophagus and other complications, significantly improving the accuracy and success rate of tracheal intubation.

[0056] Preferably, as shown in Figure 7As shown, the angle controller 26 further comprises a second drive screw 261 and a second gear 262, the second drive screw 261 is installed in the handle 1 and is rotationally connected with the handle 1; the second gear 262 is fixedly installed on the second take-up rod 263 and is engaged with the second drive screw 261; by rotating the second drive screw 261, the second gear 262 can be quickly driven to rotate the second take-up rod 263, so as to conveniently and quickly drive the first take-up rod 243 to rotate, thereby realizing the control of winding the first angle control line 264 and simultaneously releasing the second angle control line 265, or winding the second angle control line 265 and simultaneously releasing the first angle control line 264, so as to quickly and accurately adjust the bending angle of the adjustable mirror body 25; in addition, the second gear 262 and the second drive screw 261 constitute a worm gear structure, when no external force is applied to the second drive screw 261, the worm gear structure constituted by the second gear 262 and the second drive screw 261 can realize self-locking function, thereby ensuring that the bending angle of the adjustable mirror body 25 remains stable after adjustment, so that the adjustable mirror body 25 always remains in the best observation and operation position, avoiding the loss of field of view or operation error caused by accidental change of angle, thereby ensuring smooth performance of tracheal intubation operation.

[0057] Preferably, the main mirror body 21 and the adjustable mirror body 25 are each provided with a first hole and a second hole, the first hole is used for threading the first angle control line 264, and the second hole is used for threading the second angle control line 265.

[0058] Embodiment 4

[0059] Embodiment 4 is an improvement on the laryngoscope of embodiment 3, as Figure 1 As shown, the laryngoscope further comprises a driver 3, the driver 3 is installed on the handle 1, and the driver 3 can be connected with the first drive screw 241 or the second drive screw 261 to drive the first drive screw 241 or the second drive screw 261 to rotate; in this embodiment, the driver 3 can be used to independently drive the first drive screw 241 and the second drive screw 261, which is simple and easy to operate.

[0060] Preferably, as Figure 8 As shown, the first drive screw 241 and the second drive screw 261 are oppositely arranged, the first drive screw 241 is provided with a first follow-up gear disc 246, and the second drive screw 261 is provided with a second follow-up gear disc 266.

[0061] Preferably, as Figure 8As shown, the driver 3 comprises a driving wheel 31, a first driving gear disc 32 and a second driving gear disc 33, the driving wheel 31 is sleeved on the first driving screw 241 and the second driving screw 261 and can slide on the first driving screw 241 and the second driving screw 261 while being able to rotate relative to the first driving screw 241 or the second driving screw 261; the first driving gear disc 32 and the second driving gear disc 33 are located on both sides of the driving wheel 31, the first driving gear disc 32 is opposite to the first follow-up gear disc 246 and can be engaged, and the second driving gear disc 33 is opposite to the second follow-up gear disc 266 and can be engaged; when the driving wheel 31 is actuated to engage the first driving gear disc 32 with the first follow-up gear disc 246, the driving wheel 31 is fixedly connected with the first driving screw 241 while rotating relative to the second driving screw 261, and rotating the driving wheel 31 drives the first driving screw 241 to rotate; when the driving wheel 31 is actuated to engage the second driving gear disc 33 with the second follow-up gear disc 266, the driving wheel 31 is fixedly connected with the second driving screw 261 while rotating relative to the first driving screw 241, and rotating the driving wheel 31 drives the second driving screw 261 to rotate; by means of the single driving wheel 31, the first driving screw 241 and the second driving screw 261 can be driven to rotate respectively, so that flexible switching between adjusting the position of the supporting wing 22 and the bending angle of the adjustable mirror body 25 is realized, thereby significantly simplifying the operation process, reducing the operation difficulty, improving the operation efficiency, and especially in an emergency, it can effectively save valuable time.

[0062] Embodiment 5

[0063] Embodiment 5 improves the laryngoscope of embodiment 4, as shown in Figure 1 and Figure 3 As shown, the laryngoscope further comprises a display unit 4, which further comprises a display, a camera 41 and a power supply, the power supply is installed in the handle 1 for providing the camera 41 and the display with the required power; the camera 41 is arranged on the tail end mirror body section of the adjustable mirror body 25 for real-time acquisition of the exact position of the tail end of the adjustable mirror body 25; the display is rotationally arranged on the handle 1 and is connected with the camera 41, through the display the specific position of the tail end of the adjustable mirror body 25 can be displayed in real time, when performing tracheal intubation and other medical operations, it can be accurately judged whether the tail end of the adjustable mirror body 25 has accurately reached the target position such as the epiglottis, the glottis and other key parts, so as to ensure that the tail end of the adjustable mirror body 25 can be quickly and accurately positioned to the ideal position and angle, and accurately aligned with the glottis, thereby significantly improving the success rate of tracheal intubation and reducing the time loss and potential harm to the patient caused by repeated adjustment.

[0064] The main mirror body 21 and the adjustable mirror body 23 are also provided with guide channels for guiding the tracheal cannula, so that the tracheal cannula can be accurately and quickly inserted into the airway of the patient without repeated adjustment, and the quality and efficiency of the tracheal cannula operation are further improved.

[0065] The above merely provides the preferred embodiments of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art can easily think of the changes or replacements within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A laryngoscope, characterized in that: The invention comprises a mirror body unit (2), wherein the mirror body unit (2) comprises a main mirror body (21), a supporting wing (22) and a wingspan controller (23); the main mirror body (21) is provided with a receiving groove cavity (211); the supporting wing (22) is arranged in the receiving groove cavity (211) and can extend or retract into the receiving groove cavity (211); the wingspan controller (23) is used to control the extension or retraction of the supporting wing (22); The support wing (22) can slide along the direction of the length extension of the main mirror body (21), thereby adjusting the position of the support wing (22) on the main mirror body (21).

2. A laryngoscope according to claim 1, characterized in that: The mirror unit (2) further comprises an adjustable mirror (25) and an angle controller (26); the adjustable mirror (25) is hinged to the main mirror (21) and is bendable; the angle controller (26) is connected to the adjustable mirror (25) and is used to control the bending angle of the adjustable mirror (25).

3. A laryngoscope according to claim 2, characterized in that: The angle controller (26) comprises a second take-up rod (263), a first angle control line (264) and a second angle control line (265).

4. A laryngoscope according to claim 3, characterized in that: One end of the first angle control line (264) is fixedly connected to the second take-up rod (263) and wound on the second take-up rod (263), and the other end of the first angle control line (264) is fixedly connected to the tail end of the adjustable mirror body (25).

5. A laryngoscope according to claim 4, characterized in that: One end of the second angle control line (265) is fixedly connected to the second take-up rod (263), and the other end of the second angle control line (265) is fixedly connected to the tail end mirror section of the adjustable mirror body (25).

6. A laryngoscope according to claim 5, characterized in that: The second angle control line (265) is wound on the second take-up rod (263) in a direction opposite to the first angle control line (264).

7. A laryngoscope according to claim 6, characterized in that: The second angle control line (265) is arranged opposite to the first angle control line (264).

8. A laryngoscope according to claim 7, characterized in that: The angle controller (26) further comprises a second driving screw (261) and a second gear (262); the second gear (262) is fixedly mounted on the second take-up rod (263) and meshes with the second driving screw (261); and the second gear (262) can be driven to rotate by rotating the second driving screw (261), thereby driving the second take-up rod (263) to rotate.

9. A laryngoscope according to any one of claims 2 to 8, characterized in that: It also includes a display unit (4), which is used to display the specific position of the tail end of the current adjustable mirror body (25) in real time.

10. A laryngoscope according to claim 9, characterized in that: The display unit (4) comprises a display, a camera (41) and a power supply; the camera (41) is arranged on the adjustable mirror body (25); and the display is connected to the camera (41).

11. A laryngoscope according to claim 1, characterized in that: The support wing (22) comprises a seat body (221), a support plate (222) and an airbag (223); the seat body (221) is installed in the accommodating groove cavity (211); the support plate (222) is installed on the seat body (221) and can slide on the seat body (221); the airbag (223) is installed on the seat body (221) and is connected to the wingspan controller (23).

12. A laryngoscope according to claim 11, characterized in that: The wingspan controller (23) comprises an inflation chamber, a buffer chamber, a plunger, an air inlet one-way valve, an air outlet one-way valve, a connecting air pipe and a regulating valve, wherein the air inlet one-way valve is mounted on the inflation chamber; the inflation chamber and the buffer chamber are connected via the air outlet one-way valve; the plunger is arranged in the inflation chamber and is capable of sliding in the inflation chamber, and the gas in the inflation chamber can be compressed into the buffer chamber by sliding the plunger; one end of the connecting air pipe is connected to the buffer chamber, and the other end is connected to the airbag; the regulating valve is mounted on the buffer chamber, and the regulating valve is used to control the on-off of the buffer chamber and the external environment, thereby regulating the air pressure in the airbag.

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