CN214128497U

CN214128497U - Improved visual laryngoscope

Info

Publication number: CN214128497U
Application number: CN202022620505.1U
Authority: CN
Inventors: 吴强; 林静; 刘民强; 马明飞; 刘丽; 何仁亮
Original assignee: Third Peoples Hospital of Shenzhen
Current assignee: Third Peoples Hospital of Shenzhen
Priority date: 2020-11-12
Filing date: 2020-11-12
Publication date: 2021-09-07
Anticipated expiration: 2030-11-12

Abstract

The utility model provides an improved visual laryngoscope, which comprises a display, a handle and a laryngoscope lens which are connected in sequence, wherein the front end part of the laryngoscope lens is provided with an LED lamp and a miniature camera; an angle adjusting mechanism is arranged between the handle and the laryngoscope blade, and comprises a connecting female part arranged at the end part of the handle, a connecting male part arranged at the end part of the laryngoscope blade, a worm wheel and a connecting shaft; after the worm wheel is clamped on the male connecting piece, the connecting shaft penetrates through the through holes in the lug plates of the female connecting piece, the worm wheel and the male connecting piece, the female connecting piece is connected with the shaft connected with the male connecting piece, and the circumferential threads on the worm are meshed with the axial grooves in the worm wheel to form transmission connection. The utility model solves the technical defect that the traditional C-shaped laryngoscope is limited when being placed in the oral cavity.

Description

Improved visual laryngoscope

Technical Field

The utility model belongs to the technical field of the medical instrument technique and specifically relates to a visual laryngoscope of improvement formula is related to.

Background

The visual laryngoscope technology is a great revolution of the auxiliary tool for the tracheal intubation. Compared with the traditional laryngoscope, the visual laryngoscope greatly reduces the difficulty of the tracheal intubation and reduces the risks of cross infection and medical exposure. Therefore, in recent years, the visual laryngoscope technology is rapidly popularized in clinic.

The prior visual laryngoscope adopts the C-shaped design of the traditional laryngoscope, and the design has the defect that when the laryngoscope lens is placed in the oral cavity, the handle part is easily obstructed by the chest of a patient, thereby causing the difficulty of the laryngoscope to be placed. The problem is solved by tilting the neck of the patient back to slightly solve clinically, but the risk of cervical vertebra damage of the patient is increased, and the cervical vertebra cervical spondylosis treatment method cannot be used for patients suffering from cervical spondylosis or patients with limited cervical vertebra movement.

Disclosure of Invention

The utility model provides an improved visual laryngoscope, which solves the technical defect that the traditional C-shaped laryngoscope is limited in the cavity.

In order to solve the technical problem, the utility model provides an improved visual laryngoscope, which comprises a display, a handle and a laryngoscope lens which are connected in sequence, wherein the front end part of the laryngoscope lens is provided with an LED lamp and a miniature camera; an angle adjusting mechanism for adjusting an included angle between the handle and the laryngoscope lens is connected between the handle and the laryngoscope lens and comprises a female connecting piece arranged at the end part of the handle, a male connecting piece arranged at the end part of the laryngoscope lens, a worm wheel and a connecting shaft; the surface of the worm is provided with a plurality of circles of circumferential threads, one end part of the worm is provided with an adjusting knob, the worm is placed in the cavity of the connecting female part, and the adjusting knob at the end part of the worm penetrates through the adjusting hole in the side wall of the cavity shell; the worm wheel is in a hollow cylindrical shape, and the upper surface of the worm wheel is provided with a plurality of axial grooves which are distributed at intervals along the circumferential direction; the worm wheel joint in after connecting public piece on, the connecting axle passes through-hole on female member otic placode, worm wheel and the public piece otic placode, realizes connecting the female member and the hub connection of being connected public piece, and the axial groove interlock on the circumference screw thread on the worm and the worm wheel mutually forms the transmission and connects.

Preferably, the angle between the handle and the tangent of the proximal cambered surface of the laryngoscope lens can reach 150 degrees at most.

Preferably, the bottom end of the cavity of the connecting female part is provided with a pair of female part ear plates provided with through holes, the connecting male part is a pair of male part ear plates provided with through holes and capable of being arranged in the connecting female part in a penetrating manner, and the connecting shaft penetrates through the through holes of the female part ear plates and the male part ear plates.

Preferably, a clamping plate is arranged between the two male ear plates for connecting the male parts, and a clamping groove which is in matched and sleeved with the clamping plate is formed in the surface of the lower portion of the worm wheel.

As a preferable mode, the adjusting knob penetrates through an adjusting hole in the side wall of the connecting female part and then is sleeved with an adjusting cap.

Preferably, the outer end face of the adjusting knob is provided with a tool groove for facilitating insertion of a tool for rotating the worm.

The utility model relates to a visual laryngoscope of improvement formula compares with current design, and its advantage lies in: an angle adjusting structure is additionally arranged between a handle and a laryngoscope lens of an original laryngoscope, so that the included angle between the handle and the laryngoscope lens can be quickly adjusted, the application range of the visible laryngoscope is enlarged, and the difficulty of tracheal intubation is reduced.

Drawings

Fig. 1 is a schematic view of the improved visual laryngoscope of the invention.

Fig. 2 is an exploded view of the angle adjusting mechanism of the improved laryngoscope of the present invention.

Detailed Description

The invention is described in detail below with reference to the drawings and specific examples.

The utility model relates to an improved visual laryngoscope, as shown in figure 1, including display 1, handle 2 and laryngoscope piece 3 that connect gradually, the front end tip of laryngoscope piece 3 is equipped with LED lamp and miniature camera. An angle adjusting mechanism 4 is arranged between the handle 2 and the laryngoscope lens 3, so that the angle between the handle 2 and the tangent of the near-end cambered surface of the laryngoscope lens 3 can be adjusted, and the maximum angle can reach 150 degrees.

The handle 2 comprises a hollow cylindrical handle shell, and concave-convex grains for preventing hands from sliding are arranged on the outer surface of the handle shell. The inside of handle casing is equipped with battery and the control element (be the circuit board) of being connected with the display screen electricity, and control element and battery electric connection. And a power switch for controlling the power supply of the storage battery is also arranged on the handle 2.

The laryngoscope blade 3 is in a curved blade shape, and the width of the laryngoscope blade 3 gradually decreases from the near end to the tail end (namely the far end). The laryngoscope lens 3 comprises an arc hollow light guide block 31 positioned at the near end and a tongue baffle 32 which extends along the concave top surface of the light guide block 31 to one side and the front to form an arc. The LED lamp is embedded at the front end of the light guide block 31, is used for illumination, and is electrically connected with the control element in the handle 2 through a power line. The miniature camera is embedded in the front end of the light guide block 31 and used for collecting image information, the miniature camera is electrically connected with a control element in the handle 2 through a signal line, and the display 1 receives a signal transmitted by the control element and displays images.

As shown in fig. 2, the angle adjusting mechanism 4 includes a female connection member, a worm 42, a male connection member, a worm wheel 44, and a connection shaft 45. The connecting female part comprises a cavity and a pair of female part ear plates which are connected to the bottom end of the cavity and provided with through holes, and the side wall of the cavity shell is provided with an adjusting hole 411. The surface of the worm 42 is provided with a plurality of circumferential threads, and one end of the worm 42 is provided with a convex column-shaped adjusting knob 421 extending outwards along the outer end surface thereof. The male connecting part is a pair of male ear plates with through holes and capable of being arranged in the female connecting part in a penetrating manner. The worm wheel 44 is hollow and cylindrical, and has a plurality of axial grooves 441 formed in the upper surface thereof and arranged at intervals in the circumferential direction.

The connecting female part is integrally formed at the lower end of the handle 2, the worm 42 is placed in the cavity of the connecting female part, the adjusting knob 421 at the end of the worm 42 penetrates through the adjusting hole 411 in the side wall of the cavity shell, and the adjusting knob 421 can rotate in the adjusting hole 411 under the stress, so that the worm 42 is connected to the connecting female part. The connecting male piece is integrally formed at the end part of the proximal end of the laryngoscope lens 3, a transverse clamping plate 431 is arranged between the two male piece ear plates of the connecting male piece, the worm wheel 44 is arranged between the two male piece ear plates, and a clamping groove 442 on the lower surface of the worm wheel is sleeved on the clamping plate 431 in a matched manner, so that the worm wheel 44 is connected to the connecting male piece. The assembled male connecting part and the worm wheel 44 are inserted between the two female part ear plates 41 of the female connecting part, the connecting shaft 45 penetrates through holes in the female part ear plates 41, the worm wheel 44 and the male part ear plates 43, so that the female connecting part and the male connecting part form a shaft connection, and meanwhile, circumferential threads on the worm 42 are meshed with axial grooves in the worm wheel 44 to form transmission connection. The adjusting knob 421 is rotated clockwise or counterclockwise, the adjusting knob 421 and the worm 42 rotate simultaneously, and under the driving action of the worm 42, the worm wheel 44 rotates, so that the connecting female part and the connecting male part are driven to rotate at a fixed angle along the axial direction of the connecting shaft, and the angle can be adjusted according to the rotation number of the worm.

As a preferred embodiment, an adjusting cap is sleeved on the adjusting knob 421 after passing through the connecting female member, or a tool slot for facilitating insertion of a tool for rotating the worm is formed in the adjusting knob 421, and the adjusting cap is rotated or the tool is inserted into the tool slot to realize rotation.

As a preferred embodiment, the connection male member is disposed in a housing at the proximal end of the laryngoscope blade 3, so as to make the appearance simple.

Claims

1. An improved visual laryngoscope comprises a display (1), a handle (2) and a laryngoscope lens (3) which are sequentially connected, wherein the front end part of the laryngoscope lens (3) is provided with an LED lamp and a miniature camera; the method is characterized in that: an angle adjusting mechanism (4) for adjusting an included angle between the handle (2) and the laryngoscope blade (3) is connected between the handle and the laryngoscope blade, and the angle adjusting mechanism (4) comprises a connecting female part arranged at the end part of the handle, a connecting male part arranged at the end part of the laryngoscope blade (3), a worm (42), a worm wheel (44) and a connecting shaft (45); the surface of the worm (42) is provided with a plurality of circles of circumferential threads, one end part of the worm is provided with an adjusting knob (421), the worm (42) is placed in the cavity of the connecting female part, and the adjusting knob (421) at the end part of the worm passes through the adjusting hole (411) on the side wall of the cavity shell; the worm wheel (44) is in a hollow cylindrical shape, and the upper surface of the worm wheel is provided with a plurality of axial grooves (441) which are distributed at intervals along the circumferential direction; worm wheel (44) joint in after connecting on the public piece, connecting axle (45) pass through-hole on female member otic placode (41), worm wheel (44) and public piece otic placode (43), realize connecting the female member and the hub connection of connecting the public piece, and the circumferential screw on worm (42) interlocks with the axial recess on worm wheel (44) mutually, forms the transmission and connects.

2. An improved visual laryngoscope according to claim 1, wherein: the angle between the handle (2) and the tangent of the cambered surface of the near end of the laryngoscope lens (3) can reach 150 degrees at most.

3. An improved visual laryngoscope according to claim 1, wherein: the connecting device is characterized in that a pair of female part ear plates provided with through holes are arranged at the bottom end of a cavity of the connecting female part, the connecting male part is a pair of male part ear plates provided with through holes and capable of being arranged in the connecting female part in a penetrating manner, and the connecting shaft (45) penetrates through the through holes of the female part ear plates and the male part ear plates.

4. An improved visual laryngoscope according to claim 1, wherein: a clamping plate (431) is arranged between the two male ear plates of the connecting male part, and a clamping groove (442) which is in fit and sleeve connection with the clamping plate (431) is arranged on the surface of the lower part of the worm wheel (44).

5. An improved visual laryngoscope according to claim 1, wherein: the adjusting cap is sleeved on the adjusting knob (421) after the adjusting knob penetrates through an adjusting hole (411) in the side wall of the connecting female part.

6. An improved visual laryngoscope according to claim 1, wherein: the outer end face of the adjusting knob (421) is provided with a tool groove for facilitating the insertion of a tool for rotating the worm.