CN213464968U

CN213464968U - Indirect laryngoscope

Info

Publication number: CN213464968U
Application number: CN202021862757.9U
Authority: CN
Inventors: 陈丽平; 李卫; 罗珍玉; 黎进勇; 黄冬清; 韦冬榴; 韦晓英; 陈子贤; 罗惠方; 黄愿静
Original assignee: Peoples Hospital of Guangxi Zhuang Autonomous Region
Current assignee: Peoples Hospital of Guangxi Zhuang Autonomous Region
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2021-06-18
Anticipated expiration: 2030-08-31

Abstract

The utility model relates to an indirect laryngoscope, which comprises a laryngoscope, a magnifier and a first telescopic rod, wherein the first telescopic rod comprises a first fixed cylinder and a first movable rod, the lower end of the first movable rod is telescopically sleeved on the upper part of the first fixed cylinder, the upper pipe wall of the first fixed cylinder is provided with a first threaded hole, a first bolt is screwed into the first threaded hole to relatively fix the first fixed cylinder and the first movable rod, the top end of the first movable rod is connected with the laryngoscope, and the first fixed cylinder is connected with the magnifier; the magnifying lens is positioned right above the laryngoscope and is parallel to the laryngoscope. The indirect laryngoscope adopts the laryngoscope to combine with the magnifying glass to use, and for tiny pathological changes, the visual is very clear, can not cause the missed diagnosis, delays patient's treatment. The indirect laryngoscope adopts first telescopic link to adjust laryngoscope and magnifying glass distance, guarantees that the magnifying glass is outside the oral cavity, and the doctor need not see through the patient oral cavity just can see clearly the patient oropharynx portion condition, improves the efficiency of inspection.

Description

Indirect laryngoscope

Technical Field

The utility model belongs to the technical field of medical instrument, particularly, relate to an indirect laryngoscope.

Background

The indirect laryngoscope is a tool used by doctors in otolaryngological department for routine examination of throat, and is composed of a lens, a lens fixing shell and a handle, wherein the handle is a steel wire with the diameter of 3-5 mm and the length of 20mm, and the steel wire and the lens are fixed and can be fixed into a whole and form a certain angle, and the examination can be performed only by means of the indirect laryngoscope on the pathological changes of the throat and the hypopharynx. During examination, a patient sits up, opens his mouth and stretches his tongue, an examiner sits on the opposite side of the patient, the focus of reflected light of the frontal mirror is adjusted to the oropharynx of the patient, the indirect laryngoscope is held by the right hand, the indirect laryngoscope is placed into the oropharynx of the patient, the mirror surface and the ground form an angle of 45 degrees during examination, the back of the mirror pushes the uvula and the soft palate to the upper back, and the tongue root, the epiglottis valley, the pear-shaped fossa and other places can be seen.

The existing indirect laryngoscope is a plane mirror with a small area, and an otolaryngologist needs to see through the oral cavity of a patient to see a virtual image displayed on the plane mirror, wherein the size of the virtual image is equal to that of an object to be inspected. The observation is laborious, and the otolaryngologist is difficult to determine the actual condition of the lesion due to the small area of the object to be detected.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a bedside bronchofiberscope treatment vehicle suitable for transport bronchoscope is provided.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the indirect laryngoscope comprises a laryngoscope, a magnifier and a first telescopic rod, wherein the first telescopic rod comprises a first fixed cylinder and a first movable rod, the lower end of the first movable rod is telescopically sleeved on the upper part of the first fixed cylinder, the pipe wall of the upper part of the first fixed cylinder is provided with a first threaded hole, the first fixed cylinder and the first movable rod are relatively fixed by screwing a first bolt into the first threaded hole, the top end of the first movable rod is connected with the laryngoscope, and the first fixed cylinder is connected with the magnifier; the magnifying lens is positioned right above the laryngoscope and is parallel to the laryngoscope.

As a further improvement of the above technical solution:

the first telescopic rod is provided with a connecting rod mechanism, the connecting rod mechanism comprises a first cantilever, a second cantilever and a second telescopic rod, one end of the first cantilever is hinged with the top end of the first movable rod, the other end of the first cantilever is hinged with one end of the second telescopic rod, one end of the second cantilever is hinged with the first fixed cylinder, and the other end of the second cantilever is hinged with the other end of the second telescopic rod; the first cantilever is fixedly connected with the laryngoscope, and the second cantilever is fixedly connected with the magnifier. The laryngoscope is movably connected with the first telescopic rod, so that the angle of the laryngoscope can be adjusted randomly, and the observation angle can be greatly facilitated. The four-bar mechanism formed by the first telescopic rod and the connecting rod mechanism drives the magnifier to rotate by an angle while rotating by an angle of the laryngoscope, so that the magnifier is ensured to be always positioned right above the laryngoscope and parallel to the laryngoscope.

Furthermore, the first cantilever is provided with a first clamping groove, the top end of the first movable rod is inserted into the first clamping groove, and the first cantilever is provided with a first pivot which penetrates through two side walls of the first clamping groove and the first movable rod; the second cantilever is provided with a second clamping groove, the first fixed cylinder is clamped in the second clamping groove, and the second cantilever is provided with a second pivot which penetrates through a side wall of the second clamping groove and a side wall of the first fixed cylinder. The number of the second pivots is 2. The first cantilever and the second cantilever are respectively hinged with the first telescopic rod.

Furthermore, the insertion end of the second pivot protrudes out of the inner wall of the first fixed cylinder, and the length of the protruding part is smaller than the gap between the first movable rod and the inner wall of the first fixed cylinder. Guarantee that first movable rod stretches out and draws back smoothly in first fixed section of thick bamboo.

The laryngoscope comprises a plane mirror and a first fixing ring, wherein a first annular groove is formed in the inner wall of the first fixing ring, a first convex ring is arranged on the outer wall of the plane mirror and arranged around the plane mirror, the plane mirror is inserted into the first fixing ring, the first convex ring is embedded into the first annular groove, and the first fixing ring is connected with the top end of a first movable rod; the magnifying lens comprises a magnifying lens body and a second fixing ring, wherein a second annular groove is formed in the inner wall of the second fixing ring, a second convex ring is arranged on the outer wall of the magnifying lens body, the second convex ring is arranged around the magnifying lens body, the magnifying lens body is inserted into the second fixing ring, the second convex ring is embedded into the second annular groove, and the second fixing ring is connected with the first fixing cylinder. Not only protects the plane mirror and the amplifying lens, but also avoids the damage of the plane mirror to the oral cavity of the patient.

Furthermore, a plurality of lamp beads are uniformly distributed on one surface, close to the plane mirror, of the second fixing ring, a switch is arranged on the first fixing cylinder, and the switch is connected with the lamp beads through an electric wire arranged in the first fixing cylinder. The trouble that a doctor must provide a light source by means of an ear-nose-throat workbench and a worn frontal mirror is saved, so that the examination is more convenient and quicker, and the examination effect is greatly improved.

The flat mirror is coated with a layer of benzalkonium bromide for wiping. Effectively preventing the atomization of the laryngoscope mirror surface in the examination.

Compared with the prior art, the utility model has the advantages that:

1. the indirect laryngoscope adopts the laryngoscope to combine with the magnifying glass to use, and for tiny pathological changes, the visual is very clear, can not cause the missed diagnosis, delays patient's treatment.

2. The indirect laryngoscope adopts first telescopic link to adjust laryngoscope and magnifying glass distance, guarantees that the magnifying glass is outside the oral cavity, and the doctor need not see through the patient oral cavity just can see clearly the patient oropharynx portion condition, improves the efficiency of inspection.

3. The magnifying glass of the indirect laryngoscope is positioned right above the laryngoscope and is parallel to the laryngoscope, so that the magnifying glass can magnify the virtual image in the laryngoscope.

Drawings

Fig. 1 is a schematic structural view of an indirect laryngoscope.

Fig. 2 is a schematic structural diagram of the magnifying glass.

Description of reference numerals:

1. a laryngoscope; 2. a link mechanism; 3. a first telescopic rod; 4. a magnifying glass; 11. a first retaining ring; 12. a plane mirror; 21. a first cantilever; 22. a second telescopic rod; 23. a second cantilever; 24. a first card slot; 25. a first pivot; 26. a first rotating shaft; 27. a second pivot; 28. a second card slot; 29. a second rotating shaft; 31. a first movable bar; 32. a first fixed cylinder; 33. a switch; 41. a magnifying lens; 42. a second retaining ring; 43. a lamp bead; 221. a second movable bar; 222. a second fixed cylinder; 223. and a second bolt.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the following detailed description of the present invention, taken in conjunction with the accompanying drawings and the detailed description, is given in a non-limiting manner.

As shown in fig. 1 and 2, the indirect laryngoscope of the embodiment includes a laryngoscope 1, a magnifier 4 and a first telescopic rod 3, the first telescopic rod 3 includes a first fixing cylinder 32 and a first movable rod 31, the lower end of which is telescopically sleeved on the upper portion of the first fixing cylinder 32, the upper tube wall of the first fixing cylinder 32 is provided with a first threaded hole, a first bolt is screwed into the first threaded hole to relatively fix the first fixing cylinder 32 and the first movable rod 31, the top end of the first movable rod 31 is connected with the laryngoscope 1, and the first fixing cylinder 32 is connected with the magnifier 4; the magnifying lens 4 is located directly above and parallel to the laryngoscope 1. The first telescopic rod 3 is provided with a link mechanism 2, the link mechanism 2 comprises a first cantilever 21, a second cantilever 23 and a second telescopic rod 22, one end of the first cantilever 21 is hinged with the top end of the first movable rod 31, the other end of the first cantilever is hinged with one end of the second telescopic rod 22, one end of the second cantilever 23 is hinged with the first fixed cylinder 32, and the other end of the second cantilever is hinged with the other end of the second telescopic rod 22; the first cantilever 21 is fixedly connected with the laryngoscope 1, and the second cantilever 23 is fixedly connected with the magnifier 4. The first cantilever 21 is provided with a first clamping groove 24, the top end of the first movable rod 31 is inserted into the first clamping groove 24, and the first cantilever 21 is provided with a first pivot 25 which passes through two side walls of the first clamping groove 24 and the first movable rod 31; the second cantilever 23 is provided with a second slot 28, the first fixed cylinder 32 is clamped in the second slot 28, and the second cantilever 23 is provided with a second pivot 27 passing through a side wall of the second slot 28 and a side wall of the first fixed cylinder 32. The insertion end of the second pivot 27 protrudes from the inner wall of the first fixed cylinder 32, and the length of the protruding portion is smaller than the gap between the first movable rod 31 and the inner wall of the first fixed cylinder 32. The number of the second pivots 27 is 2. The second telescopic rod 22 comprises a second fixed cylinder 222 and a second movable rod 221, the lower end of the second movable rod is telescopically sleeved on the upper portion of the second fixed cylinder 222, a second threaded hole is formed in the upper pipe wall of the second fixed cylinder 222, and a second bolt 223 is screwed into the second threaded hole to relatively fix the second fixed cylinder 222 and the second movable rod 221. The second movable bar 221 is provided with a first rotating shaft 26, the first cantilever 21 is provided with a first through hole, and the first rotating shaft 26 is rotatably inserted into the first through hole. The second fixed cylinder 222 is provided with a second rotating shaft 29, the second cantilever 23 is provided with a second through hole, and the second rotating shaft 29 is rotatably inserted into the second through hole.

The laryngoscope 1 comprises a plane mirror 12 and a first fixing ring 11, wherein a first annular groove is formed in the inner wall of the first fixing ring 11, a first convex ring is arranged on the outer wall of the plane mirror 12 and surrounds the plane mirror 12, the plane mirror 12 is inserted into the first fixing ring 11, the first convex ring is embedded into the first annular groove, and the first fixing ring 11 is connected with the top end of a first movable rod 31; the magnifying glass 4 comprises a magnifying lens 41 and a second fixing ring 42, a second annular groove is formed in the inner wall of the second fixing ring 42, a second convex ring is arranged on the outer wall of the magnifying lens 41 and surrounds the magnifying lens 41, the magnifying lens 41 is inserted into the second fixing ring 42, the second convex ring is embedded into the second annular groove, and the second fixing ring 42 is connected with the first fixing cylinder 32. A plurality of lamp beads 43 are uniformly distributed on one surface, close to the plane mirror 12, of the second fixing ring 42, a switch 33 is arranged on the first fixing cylinder 32, and the switch 33 is connected with the lamp beads 43 through an electric wire arranged in the first fixing cylinder 32. The flat mirror 12 is coated with a layer of benzalkonium bromide wipe.

For the use of this example, reference is made to the following steps:

when the lamp is used, firstly, the switch 33 is turned on, and the lamp bead 43 is on. Secondly, the lengths of the first telescopic rod 3 and the second telescopic rod 22 are adjusted according to the part condition of the patient to be checked, so that the laryngoscope 1 is ensured to be in the oral cavity of the patient, and the magnifier 4 is ensured to be out of the oral cavity. And thirdly, the doctor holds the first telescopic rod 3 with the right hand, rotates the laryngoscope 1 and adjusts the best observation angle. Finally, the laryngoscope 1 is placed in the oropharynx of the patient, and the condition of the oropharynx of the patient is magnified and presented through the magnifier 4.

Claims

1. An indirect laryngoscope, characterized in that: the laryngoscope comprises a laryngoscope (1), a magnifier (4) and a first telescopic rod (3), wherein the first telescopic rod (3) comprises a first fixing barrel (32) and a first movable rod (31) with the lower end telescopically sleeved on the upper part of the first fixing barrel (32), the upper pipe wall of the first fixing barrel (32) is provided with a first threaded hole, a first bolt is screwed into the first threaded hole to relatively fix the first fixing barrel (32) and the first movable rod (31), the top end of the first movable rod (31) is connected with the laryngoscope (1), and the first fixing barrel (32) is connected with the magnifier (4); the magnifier (4) is positioned right above the laryngoscope (1) and is parallel to the laryngoscope.

2. The indirect laryngoscope according to claim 1, wherein: the first telescopic rod (3) is provided with a connecting rod mechanism (2), the connecting rod mechanism (2) comprises a first cantilever (21), a second cantilever (23) and a second telescopic rod (22), one end of the first cantilever (21) is hinged with the top end of the first movable rod (31), the other end of the first cantilever is hinged with one end of the second telescopic rod (22), one end of the second cantilever (23) is hinged with the first fixed cylinder (32), and the other end of the second cantilever is hinged with the other end of the second telescopic rod (22); the first cantilever (21) is fixedly connected with the laryngoscope (1), and the second cantilever (23) is fixedly connected with the magnifier (4).

3. The indirect laryngoscope according to claim 2, wherein: the first cantilever (21) is provided with a first clamping groove (24), the top end of the first movable rod (31) is inserted into the first clamping groove (24), and the first cantilever (21) is provided with a first pivot (25) which penetrates through two side walls of the first clamping groove (24) and the first movable rod (31); the second cantilever (23) is provided with a second clamping groove (28), the first fixed cylinder (32) is clamped in the second clamping groove (28), and the second cantilever (23) is provided with a second pivot (27) which penetrates through one side wall of the second clamping groove (28) and one side wall of the first fixed cylinder (32).

4. The indirect laryngoscope according to claim 3, wherein: the inserting end of the second pivot (27) protrudes out of the inner wall of the first fixed cylinder (32), and the length of the protruding part is smaller than the gap between the first movable rod (31) and the inner wall of the first fixed cylinder (32).

5. The indirect laryngoscope according to claim 4, wherein: the number of the second pivot shafts (27) is 2.

6. The indirect laryngoscope according to claim 1, wherein: the laryngoscope (1) comprises a plane mirror (12) and a first fixing ring (11), wherein a first annular groove is formed in the inner wall of the first fixing ring (11), a first convex ring is arranged on the outer wall of the plane mirror (12) and arranged around the plane mirror (12), the plane mirror (12) is inserted into the first fixing ring (11), the first convex ring is embedded into the first annular groove, and the first fixing ring (11) is connected with the top end of a first movable rod (31); magnifying glass (4) are including magnifying lens (41) and the solid fixed ring of second (42), and the solid fixed ring of second (42) inner wall is equipped with the second ring channel, and magnifying lens (41) outer wall is equipped with the second bulge loop, and the second bulge loop encircles the solid fixed ring of magnifying lens (41) and sets up, and it is intra-annular that magnifying lens (41) insert the solid fixed ring of second (42), and in the second bulge loop embedding second ring channel, the solid fixed ring of second (42) is connected with first solid fixed cylinder (32).

7. The indirect laryngoscope according to claim 6, wherein: a plurality of lamp beads (43) are uniformly distributed on one surface, close to the plane mirror (12), of the second fixing ring (42), a switch (33) is arranged on the first fixing cylinder (32), and the switch (33) is connected with the lamp beads (43) through an electric wire arranged in the first fixing cylinder (32).

8. The indirect laryngoscope according to claim 7, wherein: the flat mirror (12) is coated with a layer of benzalkonium bromide for wiping.