CN216293991U

CN216293991U - Electronic support laryngoscope

Info

Publication number: CN216293991U
Application number: CN202122735426.XU
Authority: CN
Inventors: 申屠升东; 徐斌杰; 袁利群
Original assignee: Tonglu Sike Medical Instrument Co ltd
Current assignee: Tonglu Sike Medical Instrument Co ltd
Priority date: 2021-11-09
Filing date: 2021-11-09
Publication date: 2022-04-15
Anticipated expiration: 2031-11-09

Abstract

The utility model discloses an electronic support laryngoscope, which comprises a lens barrel (1), wherein the rear end of the lens barrel (1) is provided with a handle (2), and an angle adjusting mechanism is arranged between the handle (2) and the lens barrel (1); the adjusting mechanism comprises a worm wheel (3), one side of the worm wheel (3) is provided with a worm (4) which is rotationally connected with the handle (2), and the worm (4) is provided with a hand wheel (5); 2. the electronic support laryngoscope according to claim 1, wherein: be equipped with cavity (6) on the preceding terminal surface of handle (2), worm (4) with one side of worm wheel (3) is located cavity (6), is equipped with two extension boards (7) on the preceding terminal surface of handle (2), and two extension boards (7) are located the both sides of worm wheel (3) respectively, and the side of worm wheel (3) all is equipped with first pivot (8) of passing corresponding extension board (7). The utility model has the advantages of convenient use, good use effect and low failure rate.

Description

Electronic support laryngoscope

Technical Field

The utility model relates to the field of electronic support laryngoscopes.

Background

The structure of the prior electronic support laryngoscope (abbreviated as laryngoscope) comprises a tubular lens barrel, wherein the lens barrel is tubular, a guide tube is arranged in the lens barrel, a camera is arranged on the inner side of the front end of the lens barrel, the camera is connected with a host through a signal wire, and the signal wire passes through the guide tube. When the endoscope is used, the lens cone is inserted into the throat, the throat is opened, the camera is aimed at the pathological change position, a video is collected and displayed on the host, and a doctor can conveniently perform a microsurgery. Because the throat tube is soft, the laryngoscope cannot be effectively fixed, so that a doctor always holds the laryngoscope in the operation process, and the use is inconvenient. Therefore, the prior laryngoscope has the defect of inconvenient use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an electronic support laryngoscope. The utility model has the advantages of convenient use, good use effect and low failure rate.

The technical scheme of the utility model is as follows: an electronic support laryngoscope comprises a tubular lens barrel, wherein the rear end of the lens barrel is provided with a handle, and an angle adjusting mechanism is arranged between the handle and the lens barrel; the adjusting mechanism comprises a worm wheel fixed with the lens cone, one side of the worm wheel is provided with a worm rotatably connected with the handle, and the worm is provided with a hand wheel.

In the electronic support laryngoscope, a concave cavity is formed in the front end face of the handle, the worm and one side of the worm wheel are located in the concave cavity, two support plates are arranged on the front end face of the handle and located on two sides of the worm wheel respectively, and first rotating shafts penetrating through the support plates are arranged on the sides of the worm wheel.

In the electronic support laryngoscope, the two support plates are semicircular, the worm wheel is connected with the lens barrel through the switching block, and the switching block is provided with an arc surface matched with the support plates.

In the electronic self-retaining laryngoscope, a round blind hole is formed in one side wall of the concave cavity, a second rotating shaft fixed by a worm is arranged in the round blind hole, a threaded hole is formed in the other side wall of the concave cavity, a locking nut with external threads is arranged in the threaded hole, a third rotating shaft is arranged on the worm, and one end of the third rotating shaft penetrates through the locking nut and then is connected with a hand wheel.

In the electronic support laryngoscope, a fixed tube is screwed at the rear end of the handle, a movable nut is arranged on the handle, a tubular first extension part is arranged at the rear end of the movable nut, the inner diameter of the first extension part is matched with the outer diameter of the fixed tube, a tubular second extension part is arranged at the front end of the movable nut, a locking nut is arranged on the inner side of the second extension part, the locking nut is screwed with the second extension part, a movable sleeve sleeved on the handle is arranged on the inner side of the locking nut, a convex ring is formed by extending the rear end of the movable sleeve outwards, and the convex ring is positioned between the locking nut and the movable nut; the lens cone is composed of a first blade and a second blade, the first blade is fixed with the switching block, and the second blade is connected with the movable sleeve through an L-shaped connecting rod.

In the electronic support laryngoscope, a plurality of steel balls are arranged between the convex ring and the lock nut and between the convex ring and the movable nut.

In the electronic support laryngoscope, the handle is provided with the guide groove, and the guide block fixed with the movable sleeve is arranged in the guide groove.

In the electronic support laryngoscope, a fillet is arranged at the upper end of the first blade.

Compared with the prior art, the utility model is based on the prior laryngoscope, the angle adjusting mechanism is arranged between the handle and the lens cone, so that the handle can be fixed on other equipment, then the angle adjusting mechanism is used for adjusting the angle of the lens cone, namely the shooting angle of the camera is adjusted, the hand can be loosened after the adjustment, the use is more convenient, and the laryngoscope is dedicated to other operations. The lens cone comprises two blades, and through the distance before changing two blades, can change lens cone thickness, when the lens cone inserted the choke, can adopt the thickness that reduces the lens cone, be convenient for insert, the convenience that further improvement laryngoscope used, after the camera lens inserted the choke, can increase the thickness of laryngoscope, make the great degree of choke strut, guarantee that the operation field of vision is clear, improvement result of use. In addition, the utility model has simple and reliable structure and low failure rate. Therefore, the utility model has the advantages of convenient use, good use effect and low failure rate.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a perspective view of the present invention.

Fig. 3 is a schematic view of the structure of the handle.

Fig. 4 is a schematic structural diagram of the transfer block.

The labels in the figures are: 1-lens cone, 2-handle, 3-worm wheel, 4-worm, 5-hand wheel, 6-concave cavity, 7-support plate, 8-first rotating shaft, 9-transfer block, 10-second rotating shaft, 11-locking nut, 12-third rotating shaft, 13-fixed tube, 14-moving nut, 15-first extending part, 16-second extending part, 17-locking nut, 18-moving sleeve, 19-convex ring, 20-first blade, 21-second blade, 22-connecting rod, 23-steel ball, 24-guide groove, 25-guide block, 26-signal line, 27-guide tube and 28-fillet.

Detailed Description

The utility model is further illustrated by the following figures and examples, which are not to be construed as limiting the utility model.

Examples are given. An electronic support laryngoscope is shown in figure 1 and comprises a tubular lens barrel 1, wherein the rear end of the lens barrel 1 is provided with a handle 2, the handle 2 is vertical to the lens barrel 1, and an angle adjusting mechanism is arranged between the handle 2 and the lens barrel 1; the adjusting mechanism comprises a worm wheel 3 fixed with the lens barrel 1, one side of the worm wheel 3 is provided with a worm 4 rotationally connected with the handle 2, and the worm 4 is provided with a hand wheel 5.

The front end face of the handle 2 is provided with a concave cavity 6, the worm 4 and one side of the worm wheel 3 are located in the concave cavity 6, the front end face of the handle 2 is provided with two support plates 7, the two support plates 7 are respectively located on two sides of the worm wheel 3, and the side of the worm wheel 3 is provided with a first rotating shaft 8 penetrating through the corresponding support plate 7.

The two support plates 7 are semicircular, the worm wheel 3 is connected with the lens barrel 1 through the transfer block 9, the transfer block 9 is provided with an arc surface matched with the support plates 7, and the arc surface is matched with the support plates 7 to prevent stains from entering.

The novel worm gear is characterized in that a round blind hole is formed in one side wall of the concave cavity 6, a second rotating shaft 10 fixed by the worm 4 is arranged in the round blind hole, a threaded hole is formed in the other side wall of the concave cavity 6, a locking nut 11 with external threads is arranged in the threaded hole, the locking nut 11 is used for preventing the worm 4 from falling out, a third rotating shaft 12 is arranged on the worm 4, and one end of the third rotating shaft 12 penetrates through the locking nut 11 and then is connected with the hand wheel 5.

The rear end of the handle 2 is in threaded connection with a fixed pipe 13, a movable nut 14 is arranged on the handle 2, a tubular first extending part 15 is arranged at the rear end of the movable nut 14, the inner diameter of the first extending part 15 is matched with the outer diameter of the fixed pipe 13, dirt is prevented from entering between the movable nut 14 and the handle 2, a tubular second extending part 16 is arranged at the front end of the movable nut 14, a plurality of anti-skidding grooves are formed in the outer peripheral surface of the second extending part 16, a locking nut 17 is arranged on the inner side of the second extending part 16, the locking nut 17 is in threaded connection with the second extending part 16, a movable sleeve 18 sleeved on the handle 2 is arranged on the inner side of the locking nut 17, the movable sleeve 18 is in sliding connection with the handle 2, a convex ring 19 is formed by extending the rear end of the movable sleeve 18 outwards, and the convex ring 19 is located between the locking nut 17 and the movable nut 14; the lens barrel 1 is composed of a first blade 20 and a second blade 21, the first blade 20 is fixed with a transfer block 9, a guide pipe 27 penetrated by a signal wire 26 is arranged on the inner side of the first blade 20, the front end of the guide pipe 27 fixed with a camera is arranged at the front end of the first blade 20, and the second blade 21 is connected with a movable sleeve 18 through an L-shaped connecting rod 22.

A plurality of steel balls 23 are arranged between the convex ring 19 and the lock nut 17 and between the convex ring 19 and the movable nut 14, and the steel balls 23 are used for reducing the rotation resistance of the second extending part 16.

The upper end of the first blade 20 is provided with a fillet 28, and the fillet 28 is used for ensuring that the rotation of the first blade 20 is not interfered by the second blade 20 when the distance between the first blade 20 and the second blade 21 is relatively short.

The use of the utility model: the lens barrel 1 is inserted into the throat tube and is fixed with other devices, such as a breast shield, by the fixing tube 13, so that the laryngoscope keeps a fixed state and does not need to be held by hands. The second extending part 16 is rotated, the second extending part 16 drives the moving nut 14 to rotate, the moving nut 14 moves axially, the moving nut 14 sequentially passes through the second extending part 16, the lock nut 17 and the convex ring 19 to drive the moving sleeve 18 to move forwards, the moving sleeve 18 drives the second blade 21 to move forwards through the connecting rod 22, the distance between the second blade 21 and the first blade 20 is increased, the throat is opened, and the operation visual field is exposed clearly. According to the angle demand of the operation visual field, the hand wheel 5 is rotated, the hand wheel 5 drives the worm 4 to rotate through the third rotating shaft 12, the worm 4 drives the worm wheel 3 to rotate, the worm 4 drives the first blade 20 to rotate through the transfer block 9, and the first blade drives the camera to rotate, so that the shooting angle is changed.

The utility model has the advantages of convenient use, good use effect and low failure rate.

Claims

1. An electronic support laryngoscope, characterized in that: the device comprises a tubular lens cone (1), wherein a handle (2) is arranged at the rear end of the lens cone (1), and an angle adjusting mechanism is arranged between the handle (2) and the lens cone (1); the adjusting mechanism comprises a worm wheel (3) fixed with the lens cone (1), a worm (4) rotationally connected with the handle (2) is arranged on one side of the worm wheel (3), and a hand wheel (5) is arranged on the worm (4).

2. The electronic support laryngoscope according to claim 1, wherein: be equipped with cavity (6) on the preceding terminal surface of handle (2), worm (4) with one side of worm wheel (3) is located cavity (6), is equipped with two extension boards (7) on the preceding terminal surface of handle (2), and two extension boards (7) are located the both sides of worm wheel (3) respectively, and the side of worm wheel (3) all is equipped with first pivot (8) of passing corresponding extension board (7).

3. The electronic support laryngoscope according to claim 2, wherein: the two support plates (7) are semicircular, the worm wheel (3) is connected with the lens cone (1) through the switching block (9), and the switching block (9) is provided with an arc surface matched with the support plates (7).

4. The electronic support laryngoscope according to claim 2, wherein: be equipped with round blind hole on one of them lateral wall of cavity (6), be equipped with second pivot (10) that worm (4) are fixed in the round blind hole, be equipped with the screw hole on another lateral wall of cavity (6), threaded hole is equipped with lock nut (11) of external screw thread, is equipped with third pivot (12) on worm (4), and the one end of third pivot (12) is passed lock nut (11) back connection hand wheel (5).

5. The electronic support laryngoscope according to claim 3, wherein: the rear end of the handle (2) is in threaded connection with a fixed pipe (13), a movable nut (14) is arranged on the handle (2), a tubular first extending portion (15) is arranged at the rear end of the movable nut (14), the inner diameter of the first extending portion (15) is matched with the outer diameter of the fixed pipe (13), a tubular second extending portion (16) is arranged at the front end of the movable nut (14), a locking nut (17) is arranged on the inner side of the second extending portion (16), the locking nut (17) is in threaded connection with the second extending portion (16), a movable sleeve (18) sleeved on the handle (2) is arranged on the inner side of the locking nut (17), a convex ring (19) is formed by extending the rear end of the movable sleeve (18) outwards, and the convex ring (19) is located between the locking nut (17) and the movable nut (14); the lens barrel (1) is composed of a first blade (20) and a second blade (21), the first blade (20) is fixed with the switching block (9), and the second blade (21) is connected with the moving sleeve (18) through an L-shaped connecting rod (22).

6. The electronic support laryngoscope according to claim 5, wherein: and a plurality of steel balls (23) are arranged between the convex ring (19) and the lock nut (17) and between the convex ring (19) and the movable nut (14).

7. The electronic support laryngoscope according to claim 5, wherein: the handle (2) is provided with a guide groove (24), and a guide block (25) fixed with the movable sleeve (18) is arranged in the guide groove (24).

8. The electronic support laryngoscope according to claim 5, wherein: the upper end of the first blade (20) is provided with a fillet (28).