CN213821336U - Video laryngoscope that security performance is high - Google Patents

Abstract

The utility model relates to a video laryngoscope that security performance is high, including the mirror handle, mirror handle one end is equipped with the lens, the lens includes rotates the casing portion of being connected with the mirror handle, casing portion sets up for the cavity casing, sliding connection has the pars contractilis in casing portion, the inside spacing subassembly that is equipped with of casing, the pars contractilis keeps away from casing portion one end and rotates and be connected with the tongue piece, the tongue piece is close to the one end fixedly connected with actuating lever of pars contractilis, the actuating lever sets up to the direction slope of keeping away from the mirror handle by the one end of being close to the tongue piece to the direction of keeping away from the tongue piece, the setting of casing portion is worn to locate by the actuating lever, the position that casing portion is close to the actuating lever is offered the activity hole that is used for the actuating lever that moves about. This application has and to drive the flexible and tongue-pressing piece rotation of pars contractilis through the actuating lever to the length of adjusting the lens and the angle of tongue-pressing piece can laminate patient's tongue more, and the tongue-pressing piece can be accurate nimble simultaneously push down the epiglottis, and the effectual patient oral cavity of avoiding damaging improves the effect of laryngoscope security and accuracy.

Description

Video laryngoscope that security performance is high

Technical Field

The application relates to the field of laryngoscopes, especially relates to a video laryngoscope that security performance is high.

Background

The laryngeal position is deep, the physiological structure is complex, direct peeping cannot be achieved, the laryngeal examination needs to be performed by means of a laryngoscope, and the laryngoscope generally comprises a laryngoscope handle and a laryngoscope lens. Compared with the common laryngoscope, the video laryngoscope is additionally provided with the imaging and displaying device, the force acting on the laryngeal tissues and the force acting on the maxillary teeth at the near end are obviously reduced, so that the damage probability of the laryngeal tissues and the maxillary teeth is reduced, the damage of the laryngoscope to the airway tissues during the exposure operation is reduced, and the safety is improved. In actual clinical practice, individual differences exist, and particularly, patients who have the conditions of overlong upper incisors, small mandible, narrow arch of the upper jaw height, reduced compliance of the lower jaw space, short and thick neck, obesity and the like may have poor glottis exposure and cannot normally peep the glottis.

In the prior art, reference is made to a Chinese utility model with an authorization publication number of CN206063125U, which discloses an angle-adjustable visual laryngoscope, the visual laryngoscope comprises a display, the display is connected to a laryngoscope handle, and the other end of the laryngoscope handle is connected with a tongue-pressing external member; the laryngoscope handle is provided with a tongue pressing external member, and the tongue pressing external member is provided with an angle adjustment mechanism between the laryngoscope handle, angle adjustment mechanism is used for adjusting the contained angle of laryngoscope handle and tongue pressing external member.

Aiming at the related technology in the above, the inventor thinks that the laryngoscope can realize more being applicable to different people's angles through the contained angle between adjustment handle and the lens, and the laminating degree is higher and the security is better, but this laryngoscope is through adjusting the contained angle between holistic lens and the mirror handle, and the control range is less, and causes the defect of uncomfortable sense for patient easily.

SUMMERY OF THE UTILITY MODEL

In order to improve the accuracy of adjusting, make the lens more laminate human tongue to can improve the security of laryngoscope, the application provides a video laryngoscope that security performance is high.

The application provides a video laryngoscope that security performance is high adopts following technical scheme:

a video laryngoscope with high safety performance, which comprises a laryngoscope handle, wherein one end of the laryngoscope handle is provided with a lens which is arranged in an arc shape, the lens is arranged in a telescopic way and comprises a shell part which is rotationally connected with the lens handle, the shell part is a hollow shell, a telescopic part is connected in the shell part in a sliding way, a limiting component for limiting the relative position of the shell part and the telescopic part is arranged in the shell, one end of the telescopic part far away from the shell part is rotationally connected with a tongue pressing piece, one end of the tongue pressing piece near the telescopic part is fixedly connected with a driving rod, the driving rod is obliquely arranged from one end close to the tongue-pressing piece to the direction far away from the mirror handle, the actuating lever wears to locate casing portion sets up, casing portion is close to the position of actuating lever is seted up and is used for the activity hole of actuating lever.

Through adopting above-mentioned technical scheme, slip and rotation through the actuating lever can drive the pars contractilis flexible to can drive the tongue depressor piece and rotate, thereby adjust the length of lens and press the angle of establishing the piece, thereby can be when diagnosing and treating for different patients, can laminate patient's tongue more, the tongue depressor piece can be accurate nimble simultaneously and push down the epiglottis, thereby be convenient for operate, effectually avoid damaging patient's oral cavity, tissues such as tooth improve the security of laryngoscope.

Preferably, the activity hole is the bar setting, the activity hole is followed the length direction setting of lens, the width in activity hole equals the diameter of actuating lever, casing portion is close to the position fixedly connected with two spring leafs in activity hole, two the spring leaf distributes the actuating lever both sides, works as when the spring leaf is in natural state, the tongue piece with the pars contractilis is parallel.

Through adopting above-mentioned technical scheme, during the use, the activity hole can make the actuating lever move about along the length direction of activity hole to can be convenient for the actuating lever drive pars contractilis slip and tongue depressor rotate, the existence of spring leaf can prevent to drive independently simultaneously and move about, makes the actuating lever can only move about under doctor's operation, in order to reach the effect, ensures its security.

Preferably, the limiting assembly comprises a plurality of sawtooth grooves formed in the inner side of the shell, the sawtooth grooves are formed in two sides of the non-arc surface of the shell, and bulges which are arranged in a sawtooth shape and matched with the sawtooth grooves are formed in the outer side wall of the telescopic portion.

Through adopting above-mentioned technical scheme, pars contractilis and casing portion can play limiting displacement to the slip of pars contractilis through sawtooth groove and bellied cooperation, prevent that pars contractilis from freely sliding under the condition that does not have external force and producing danger to improve the security of using, the sawtooth groove is located the both sides of casing portion non-cambered surface and can avoid contacting with the tongue face, improves the comfort level.

Preferably, the cross section of the protrusion along the length direction of the telescopic part is in the shape of a right triangle, one right-angle side of the right triangle is attached to the outer wall of the telescopic part, and the other right-angle side of the right triangle is close to the tongue depressor piece.

Through adopting above-mentioned technical scheme, after the patient's mouth was placed to the lens, right angled triangle's setting can provide bigger power, can prevent effectively that the pars contractilis from independently sliding to keeping away from the casing portion, avoids danger.

Preferably, the edges of the outer side wall of the shell part are provided with round corners.

Through adopting above-mentioned technical scheme, the setting of fillet can prevent that edge department edges and corners from feeling uncomfortable that brings for patient to improve the security.

Preferably, the mirror handle is provided with anti-skid grains.

Through adopting above-mentioned technical scheme, the antiskid line can prevent that the doctor from taking off one's hand in the use, improves the security of using.

Preferably, a camera is arranged at one end, close to the tongue depressor, of the telescopic portion, and a display is detachably linked to one end, far away from the lens, of the lens handle.

Through adopting above-mentioned technical scheme, during the use, can make a video recording and transmit the display to patient's larynx through setting up of camera and display on to the doctor of being convenient for is surveyd, compares in ordinary laryngoscope, surveys more accurately and is little to patient's injury.

Preferably, the mirror handle is kept away from the fixed block that the one end fixedly connected with cavity of lens set up, the fixed block is kept away from the one end of mirror handle is seted up and is the mounting hole of circular setting, the fixed block is close to a plurality of draw-in groove has been seted up to the position of mounting hole, all the draw-in groove about mounting hole central point central symmetry, the display is close to the position fixedly connected with and the mounting hole matched with installation piece of mirror handle, fixedly connected with on the installation piece with draw-in groove matched with fixture block.

Through adopting above-mentioned technical scheme, through passing through mounting hole and draw-in groove installation with fixture block and installation piece together to rotate the installation piece, thereby assemble the display to the mirror handle on, improve the stability of assembly, improve the security.

Preferably, a flexible conduit is fixedly connected between the display and the mounting block.

Through adopting above-mentioned technical scheme, because the snakeskin pipe can 360 degrees rotations, can realize rotating the display at will, the doctor of being convenient for observes to improve the security.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the telescopic part can be driven to stretch out and draw back through the sliding and rotating of the driving rod, and the tongue-pressing piece can be driven to rotate, so that the length of the lens and the angle of the tongue-pressing piece can be adjusted, and therefore, the tongue-pressing piece can be more attached to the tongue of a patient when different patients are diagnosed and treated, and meanwhile, the tongue-pressing piece can accurately and flexibly press the epiglottis, so that the operation is convenient, the tissues such as the oral cavity and the teeth of the patient are effectively prevented from being damaged, and the safety of the laryngoscope is improved;

2. the movable hole can enable the driving rod to move along the length direction of the movable hole, so that the driving rod can drive the telescopic part to slide and the tongue pressing piece to rotate conveniently, meanwhile, the existence of the spring piece can prevent the driving from moving autonomously, and the driving rod can only move under the operation of a doctor, so that the effect is achieved, and the safety of the driving rod is ensured;

3. the setting of fillet can prevent that edge department edges and corners from feeling uncomfortable for patient brings, and the antiskid line can prevent that the doctor from taking off one's hand in the use, improves the security of using.

Drawings

Fig. 1 is an overall schematic diagram of the present embodiment.

Fig. 2 is a sectional view of the protruding drive rod and the lens in the present embodiment.

Fig. 3 is a sectional view of the bump stopper assembly in the present embodiment.

Fig. 4 is a partial schematic view of the protruding mounting hole and the card slot in this embodiment.

Description of reference numerals: 1. a mirror handle; 11. a fixed block; 12. mounting holes; 13. a card slot; 14. anti-skid lines; 2. a lens; 21. a housing portion; 22. a telescopic part; 221. a camera; 23. a tongue pressing piece; 24. a limiting component; 241. a sawtooth groove; 242. a protrusion; 25. a drive rod; 251. a circular ring; 26. a movable hole; 27. a spring plate; 28. round corners; 3. a display; 31. mounting blocks; 32. a clamping block; 33. a flexible conduit.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a video laryngoscope that security performance is high. Referring to fig. 1, video laryngoscope that security performance is high includes mirror handle 1, and 1 one end fixedly connected with lens 2 of mirror handle, lens 2 are the arc setting, and lens 2 is scalable setting, and lens 2 keeps away from the one end fixedly connected with camera 221 of mirror handle 1, and the one end that lens 2 was kept away from to mirror handle 1 can be dismantled and is connected with display 3. When the endoscope is used, the lens 2 is arranged on the endoscope handle 1, the display 3 is arranged on the endoscope handle 1, the throat condition of a patient can be transmitted to the display 3 through the camera 221 at the end part of the lens 2 by placing the lens 2 in the mouth of the patient, and the throat condition of the patient can be seen through the display 3, so that diagnosis is carried out.

Referring to fig. 1 and 2, lens 2 includes the casing portion 21 of being connected with mirror handle 1 rotation, casing portion 21 is the setting of cavity casing, sliding connection has pars contractilis 22 in casing portion 21, the inside spacing subassembly 24 that is equipped with restriction casing portion 21 and pars contractilis 22 relative position of casing, pars contractilis 22 keeps away from casing portion 21 one end rotation and is connected with tongue-pressing piece 23, tongue-pressing piece 23 is close to the one end fixedly connected with actuating lever 25 of pars contractilis 22, actuating lever 25 sets up to the direction slope of keeping away from mirror handle 1 by the one end of being close to tongue-pressing piece 23 to the direction of keeping away from tongue-pressing piece 23, actuating lever 25 wears to locate casing portion 21 and sets up, casing portion 21 is close to the position of actuating lever 25 and offers the movable hole 26 that is used for activity actuating lever 25. Slip and rotation through actuating lever 25 can drive pars contractilis 22 flexible to can drive tongue depressor piece 23 and rotate, thereby adjust the length of lens 2 and press the angle of establishing the piece, thereby can be when diagnosing and treating for different patients, can laminate patient's tongue more, tongue depressor piece 23 can be accurate nimble simultaneously and push down the epiglottis, thereby be convenient for operate, the effectual patient oral cavity of avoiding damaging, tissue such as tooth improves the security of laryngoscope.

Referring to fig. 1 and 2, the movable hole 26 is in a strip shape, the movable hole 26 is arranged along the length direction of the lens 2, the width of the movable hole 26 is equal to the diameter of the driving rod 25, two spring strips 27 are fixedly connected to the position of the housing portion 21 close to the movable hole 26, the two spring strips 27 are distributed on two sides of the driving rod 25, and when the spring strips 27 are in a natural state, the tongue pressing piece 23 is parallel to the telescopic portion 22. An annular ring 251 is fixedly connected to one end of the driving rod 25 far away from the tongue-pressing piece 23. When the sliding driving rod 25 and the rotating driving rod 25 drive the telescopic part 22 and the tongue-pressing piece 23 to move, the strip-shaped movable hole 26 and the spring piece 27 can prevent the driving from moving independently, so that the driving rod 25 can only move under the force application operation of a doctor, the effect is achieved, the safety is ensured, the ring 251 can be operated conveniently, and the hands can be prevented from being taken off.

Referring to fig. 1 and 3, the limiting component 24 includes a plurality of sawtooth grooves 241 arranged inside the housing portion 21, the sawtooth grooves 241 are disposed on two sides of the non-arc surface of the housing portion 21, and the outer side wall of the telescopic portion 22 is provided with a protrusion 242 which is disposed in a sawtooth shape and is matched with the sawtooth grooves 241. The cross section of the protrusion 242 along the length direction of the telescopic part 22 is in the shape of a right triangle, one right-angle side of the right triangle is attached to the outer wall of the telescopic part 22, and the other right-angle side of the right triangle is arranged close to the tongue-pressing piece 23. Telescopic part 22 and housing part 21 can play the limiting role to the slip of telescopic part 22 through the cooperation of sawtooth groove 241 and arch 242, prevent telescopic part 22 and freely slide under the condition of not having external force and produce danger to improve the security of using.

Referring to fig. 2 and 4, mirror handle 1 is kept away from fixed block 11 that one end fixedly connected with cavity of lens 2 set up, the mounting hole 12 that is circular setting is seted up to the one end that mirror handle 1 was kept away from to fixed block 11, fixed block 11 is close to the position of mounting hole 12 and has seted up two draw-in grooves 13, all draw-in grooves 13 are about mounting hole 12 central point central symmetry, display 3 is close to the position fixedly connected with and mounting hole 12 matched with installation piece 31 of mirror handle 1, fixedly connected with and draw-in groove 13 matched with fixture block 32 on the installation piece 31. When the display 3 is used, the fixture blocks 32 and the mounting blocks 31 are mounted together through the mounting holes 12 and the clamping grooves 13, and the mounting blocks 31 are rotated, so that the display 3 is assembled on the mirror handle 1 through the fixture blocks 32, and the assembling stability and safety are improved.

Referring to fig. 1, rounded corners 28 are formed at the edges of the outer side wall of the housing portion 21. The mirror handle 1 is provided with anti-skid grains 14. A flexible conduit 33 is fixedly connected between the display 3 and the mounting block 31. The round angle 28 can prevent the discomfort brought to the patient by the edge corner, and the anti-slip lines 14 can prevent the doctor from falling off the hand in the use process, thereby improving the use safety. The flexible conduit 33 can rotate 360 degrees, and the display 3 can be rotated at will, thereby being convenient for the observation of doctors.

The implementation principle of the video laryngoscope with high safety performance in the embodiment of the application is as follows: when the endoscope is used, the lens 2 and the display 3 are respectively assembled on the endoscope handle 1, the lens 2 is placed in the mouth of a patient, according to different patient conditions, a doctor can drive the driving rod 25 to slide through the ring 251 to drive the telescopic part 22 to slide, and the tongue pressing piece 23 rotates to adjust the length and the angle of the lens 2, so that the endoscope adapts to different patients, the throat condition of the patient can be accurately observed, the oral cavity and teeth of the patient are prevented from being damaged, the driving rod 25 can only move under the force applied by the doctor due to the arrangement of the movable hole 26 and the spring piece 27, the driving rod 25 is prevented from moving independently, and the safety is improved; the limiting assembly 24 can limit the telescopic part 22, so that the telescopic part 22 is prevented from automatically sliding, and the safety is improved; the round angle 28 can prevent the discomfort brought to the patient by the edge corner, and the anti-slip lines 14 can prevent the doctor from falling off the hand in the use process, thereby improving the use safety.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (9)

1. A video laryngoscope that security performance is high, its characterized in that: including mirror handle (1), mirror handle (1) one end is equipped with lens (2), lens (2) are the arc setting, lens (2) are scalable setting, lens (2) include with mirror handle (1) rotate the casing portion (21) of connecting, casing portion (21) are the setting of cavity casing, sliding connection has pars contractilis (22) in casing portion (21), the casing is inside to be equipped with the restriction casing portion (21) with spacing subassembly (24) of pars contractilis (22) relative position, pars contractilis (22) are kept away from casing portion (21) one end is rotated and is connected with tongue-pressing piece (23), tongue-pressing piece (23) are close to the one end fixedly connected with actuating lever (25) of pars contractilis (22), actuating lever (25) are by being close to the one end of tongue-pressing piece (23) is to keeping away from the direction slope setting of mirror handle (1), the drive rod (25) is arranged in a penetrating mode in the shell portion (21), the shell portion (21) is close to the position of the drive rod (25), and a movable hole (26) used for moving the drive rod (25) is formed in the position of the drive rod (25).

2. A safety video laryngoscope as claimed in claim 1 wherein: activity hole (26) are the bar setting, activity hole (26) are followed the length direction of lens (2) sets up, the width of activity hole (26) equals the diameter of actuating lever (25), casing portion (21) are close to the position fixedly connected with two spring leaf (27) of activity hole (26), two spring leaf (27) distribute in actuating lever (25) both sides, work as when spring leaf (27) are in natural state, tongue depressor piece (23) with pars contractilis (22) are parallel.

3. A safety video laryngoscope as claimed in claim 1 wherein: spacing subassembly (24) are including seting up in many sawtooth grooves (241) of casing portion (21) inboard, sawtooth groove (241) all are located the both sides of casing portion (21) non-cambered surface set up, flexible portion (22) lateral wall seted up with sawtooth groove (241) matched with are protruding (242) that the cockscomb structure set up, protruding (242) elasticity sets up.

4. A safety video laryngoscope as claimed in claim 3 wherein: the cross section of protruding (242) along pars contractilis (22) length direction is right triangle and sets up, a right-angle side of right triangle with pars contractilis (22) outer wall laminating, another right-angle side of right triangle is close to tongue depressor piece (23) sets up.

5. A safety video laryngoscope as claimed in claim 1 wherein: and fillets (28) are arranged at edges of the outer side wall of the shell part (21).

6. A safety video laryngoscope as claimed in claim 1 wherein: the mirror handle (1) is provided with anti-skid grains (14).

7. A safety video laryngoscope as claimed in claim 1 wherein: the one end that flexible portion (22) are close to tongue depressor piece (23) is equipped with camera (221), mirror handle (1) is kept away from the one end of lens (2) can be dismantled and be connected with display (3).

8. A safety video laryngoscope as claimed in claim 7 wherein: mirror handle (1) is kept away from fixed block (11) that the one end fixedly connected with cavity of lens (2) set up, fixed block (11) are kept away from mounting hole (12) that are circular setting are seted up to the one end of mirror handle (1), fixed block (11) are close to a plurality of draw-in groove (13), all have been seted up to the position of mounting hole (12) draw-in groove (13) about mounting hole (12) central point central symmetry, display (3) are close to the position fixedly connected with and mounting hole (12) matched with installation piece (31) of mirror handle (1), fixedly connected with on installation piece (31) with draw-in groove (13) matched with fixture block (32).

9. A safety video laryngoscope as claimed in claim 8 wherein: a flexible conduit (33) is fixedly connected between the display (3) and the mounting block (31).

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