CN111387913A - Video laryngoscope with lens angle is adjusted in continuity - Google Patents

Video laryngoscope with lens angle is adjusted in continuity Download PDF

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Publication number
CN111387913A
CN111387913A CN202010229715.XA CN202010229715A CN111387913A CN 111387913 A CN111387913 A CN 111387913A CN 202010229715 A CN202010229715 A CN 202010229715A CN 111387913 A CN111387913 A CN 111387913A
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laryngoscope
arc
lens
handle
pipe
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Granted
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CN202010229715.XA
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CN111387913B (en
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张晓静
尹宁
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Sir Run Run Hospital Nanjing Medical University
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Sir Run Run Hospital Nanjing Medical University
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/267Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for the respiratory tract, e.g. laryngoscopes, bronchoscopes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/00064Constructional details of the endoscope body
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/00131Accessories for endoscopes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/012Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor characterised by internal passages or accessories therefor
    • A61B1/015Control of fluid supply or evacuation
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/04Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/04Tracheal tubes

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Biomedical Technology (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Biophysics (AREA)
  • Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • Pathology (AREA)
  • Optics & Photonics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Pulmonology (AREA)
  • Otolaryngology (AREA)
  • Physiology (AREA)
  • Emergency Medicine (AREA)
  • Anesthesiology (AREA)
  • Hematology (AREA)
  • Endoscopes (AREA)

Abstract

The invention discloses a video laryngoscope with a continuously adjustable lens angle, which comprises a laryngoscope handle, wherein the lower end of the laryngoscope handle is provided with a laryngoscope lens mounting seat, a laryngoscope lens is arranged on the laryngoscope lens mounting seat, the laryngoscope lens comprises a laryngoscope lens shell and an arc-shaped clamping seat, the upper end of the arc-shaped clamping seat is fixedly provided with a pair of limiting sleeves, a liquid injection pipe is inserted in each limiting sleeve, a liquid suction pipe is inserted in the other limiting sleeve, and one end of the liquid injection pipe/liquid suction pipe positioned at the upper end part of the laryngoscope handle is fixedly provided with a connector; the invention utilizes the liquid injection pipe to inject the medicine into the treatment part or utilizes the liquid suction pipe to suck out the hematocele and the vomit; because the injection tube/pipette is detachably connected with the laryngoscope lens and the laryngoscope handle, in the actual operation, the injection tube/pipette is replaced by a new one every time of operation, and the cross infection caused by the operations before and after the injection tube/pipette is avoided.

Description

Video laryngoscope with lens angle is adjusted in continuity
Technical Field
The invention belongs to the field of medical instruments, and particularly relates to a video laryngoscope with a continuously adjustable lens angle.
Background
Currently, the current state of the art commonly used in the industry is such that: in clinical and emergency medical professionals, it is often necessary to intubate a patient for manual breathing and anesthesia. During tracheal intubation, the laryngoscope is inserted into the oral cavity of a patient, the laryngoscope is gradually inserted deeply, the tongue is pressed towards the bottom of the mouth to display the pharyngeal cavity, the tip end of the lens is placed at the valley of the epiglottis between the epiglottis and the tongue root after the epiglottis is seen clearly, the epiglottis is made to be close to the tongue root as far as possible by the upward lens, the glottis and the pharyngeal cavity which are originally shielded by the epiglottis are exposed, the tracheal tube is aligned to the glottis and inserted into the air inlet tube, and the pharyngeal laryngoscope is withdrawn. Craniocerebral injury patients often have the conditions of vomiting, esophagus reflux and the like, the bleeding of the injury of the maxillofacial region easily causes the hematocele of the larynx and the esophagus, and the common metal laryngoscope cannot complete intubation and foreign matter cleaning once under the condition of hematocele and vomit shielding.
In summary, the problems of the prior art are as follows: the common metal laryngoscope can not finish intubation and foreign matter cleaning at one time under the condition of blood accumulation and vomit shielding, the intubation speed is influenced, and the rescue is delayed;
meanwhile, aiming at the patients who cannot lean back the head due to head and neck trauma, mandibular deformity, cervical scar adhesion and the like, and the difficult airway in which the oropharyngeal axis cannot be in a straight line, the existing laryngoscope can only adjust the set angle and cannot adjust different angles randomly according to actual conditions, so that the exposure degree is insufficient.
Disclosure of Invention
In view of the deficiencies of the prior art, it is an object of the present invention to provide a video laryngoscope with continuously adjustable lens angle that solves the problems set forth in the background.
The purpose of the invention can be realized by the following technical scheme:
a video laryngoscope with continuously adjustable lens angle comprises a laryngoscope handle provided with a video display, wherein the lower end of the laryngoscope handle is rotatably provided with a laryngoscope lens mounting seat, a laryngoscope lens is arranged on the laryngoscope lens mounting seat, and the laryngoscope lens is detachably arranged on the laryngoscope lens mounting seat.
The laryngoscope piece includes laryngoscope piece casing and arc cassette, and wherein laryngoscope piece casing dismantlement formula is installed on the laryngoscope piece mount pad, and arc cassette dismantlement formula is installed at laryngoscope piece casing lower extreme, and the arc cassette contracts with the whole one end that is located to deviate from the laryngoscope handle of laryngoscope piece casing and forms out the mouth of pipe, and the arc cassette contracts with the whole one end that is located to be close to the laryngoscope handle of laryngoscope piece casing and forms into the mouth of pipe.
A pair of limiting sleeves are fixedly mounted at the upper end of the arc-shaped clamping seat close to the pipe outlet, a liquid injection pipe is inserted into any limiting sleeve, a liquid suction pipe is inserted into the other limiting sleeve, one end of the liquid injection pipe/liquid suction pipe extends to the outer side of the pipe outlet, the other end of the liquid injection pipe/liquid suction pipe extends to the upper end part of the laryngoscope handle, and a joint is fixedly mounted at one end of the liquid injection pipe/liquid suction pipe positioned at the upper end part of the laryngoscope handle.
Furthermore, a pair of fastening threaded sleeves are fixedly mounted at the upper end part of the laryngoscope handle, and fastening strips are fixedly mounted between the fastening threaded sleeves through bolts, wherein the liquid injection pipe and the liquid suction pipe are buckled on the outer wall of the laryngoscope handle through the fastening strips.
Further, the arc spout that corresponds with notes liquid pipe/pipette is seted up to arc cassette upper end, is provided with on the arc spout and carries out gliding drive mount pad along the arc spout, and fixed mounting has the locking bullet strip on the drive mount pad, and wherein the locking bullet strip both ends are provided with magnet, and the magnet that is located locking bullet strip both ends is opposite sex each other.
Fixed mounting has the arc actuating lever on the drive mount pad, and the cover is equipped with the arc actuating sleeve on the arc actuating lever, is the gas-tight seal between arc actuating sleeve and the arc actuating lever, and arc actuating sleeve one end is provided with the air supply and inserts the mouth.
The laryngoscope handle is fixedly provided with an air source communicating pipe, one end of the air source communicating pipe is provided with a first interface used for connecting an air source access port, the other end of the air source communicating pipe is provided with a second interface used for connecting an external air source, and the number of the air source communicating pipes corresponds to the number of the air source access ports one to one.
Further, the laryngoscope lens mounting seat is rotatably mounted at the lower end of the laryngoscope handle through a rotating shaft, specifically, the laryngoscope lens mounting seat is fixedly mounted with the rotating shaft, and the rotating shaft and the lower end of the laryngoscope handle are rotatably mounted.
Fixed mounting has the first helical gear of coaxial line in the pivot, and the meshing of first helical gear outside has the second helical gear, and fixed mounting has the first actuating lever of coaxial line on the second helical gear, and first actuating lever upper end fixed mounting has the third helical gear, and the meshing of third helical gear outside is connected with the fourth helical gear, and fixed mounting has the second actuating lever on the fourth helical gear, and second actuating lever top fixed mounting has the knob, and wherein the knob is located laryngoscope handle upper end to the knob is in the laryngoscope handle outside.
Further, the first driving rod and the second driving rod are rotatably connected with the laryngoscope handle, and the first driving rod, the third bevel gear, the fourth bevel gear and the second driving rod are accommodated in the laryngoscope handle.
The invention has the beneficial effects that:
1. according to the laryngoscope handle, an operator can rotate the knob while holding the laryngoscope handle, the laryngoscope lens can be adjusted at any rotation angle through motion transmission when the knob is rotated, the laryngoscope lens can be fully exposed, and the angle of the laryngoscope lens can be adjusted more conveniently by arranging the knob at the holding position of the laryngoscope handle;
2. the invention utilizes the injection tube to inject the medicine into the treatment part or utilizes the pipette to shield the hematemesis and the vomitus for sucking out, and simultaneously prevents the hematemesis and the vomitus from flowing back;
3. in the invention, because the liquid injection pipe/liquid suction pipe is detachably connected with the laryngoscope lens and the laryngoscope handle, in the actual operation, the liquid injection pipe/liquid suction pipe is replaced by a new one every time of operation, thereby avoiding cross infection caused by the front and back operations of the liquid injection pipe/liquid suction pipe;
4. the invention utilizes an external air source to feed/suck air into/out of the air source communicating pipe, and realizes the accurate control of the extending/contracting distance of the liquid injection pipe/liquid suction pipe relative to the pipe outlet.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;
FIG. 2 is a schematic partial structure diagram of an embodiment of the present invention;
FIG. 3 is a schematic diagram of a different view structure according to an embodiment of the present invention;
FIG. 4 is a schematic partial structure diagram of an embodiment of the present invention;
fig. 5 is an enlarged schematic diagram of a portion a of fig. 4 according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 and 3, a video laryngoscope with continuously adjustable lens angle comprises a laryngoscope handle 1 provided with a video display, wherein the lower end of the laryngoscope handle 1 is rotatably provided with a laryngoscope lens mounting seat 2, a laryngoscope lens 3 is arranged on the laryngoscope lens mounting seat 2, and the laryngoscope lens 3 is detachably arranged on the laryngoscope lens mounting seat 2;
as shown in fig. 3, the laryngoscope blade 3 comprises a laryngoscope blade shell 31 and an arc-shaped clamping seat 32, wherein the laryngoscope blade shell 31 is detachably mounted on the laryngoscope blade mounting seat 2, the arc-shaped clamping seat 32 is detachably mounted at the lower end of the laryngoscope blade shell 31, the arc-shaped clamping seat 32 and the laryngoscope blade shell 31 are integrally positioned at one end away from the laryngoscope handle 1 and are contracted to form an outlet pipe orifice 301, and the arc-shaped clamping seat 32 and the laryngoscope blade shell 31 are integrally positioned at one end close to the laryngoscope handle 1 and are contracted to form an inlet pipe orifice 302;
as shown in FIG. 4, a pair of position-limiting sleeves 33 are fixedly mounted at the upper end of the arc-shaped clamping seat 32 close to the nozzle 301, a pouring tube 41 is inserted into any position-limiting sleeve 33, a pipette 42 is inserted into the other position-limiting sleeve 33, wherein one end of the pouring tube 41/pipette 42 extends to the outer side of the nozzle 301, the other end extends to the upper end part of the laryngoscope handle 1, and a joint 401 is fixedly mounted at one end of the pouring tube 41/pipette 42 positioned at the upper end part of the laryngoscope handle 1.
When a medicine (such as anesthetic) needs to be injected to a treatment site during an operation, the injector filled with the medicine is connected with the connector 401 of the liquid injection pipe 41, and the medicine is injected into the treatment site by using the liquid injection pipe 41;
when the hematocele and the vomit need to be cleaned during the operation, the liquid aspirator is connected with the joint 401 of the liquid aspirator 42, and the hematocele and the vomit are aspirated by the liquid aspirator 42;
because the injection tube 41/pipette 42 is detachably connected with the laryngoscope lens 3 and the laryngoscope handle 1, in the actual operation, the injection tube 41/pipette 42 is replaced by a new one every time, and the cross infection of the injection tube 41/pipette 42 before and after the operation is avoided.
In the embodiment, a pair of fastening screw sleeves 11 are fixedly arranged at the upper end part of the laryngoscope handle 1, and a fastening strip 12 is fixedly arranged between the fastening screw sleeves 11 through bolts, wherein the injection tube 41 and the pipette 42 are buckled on the outer wall of the laryngoscope handle 1 by the fastening strip 12; due to the detachability of the bolt, the replacement of the pipette 41/pipette 42 is facilitated at a later stage.
As shown in fig. 5, in this embodiment, an arc-shaped sliding slot corresponding to the pipette 41/pipette 42 is formed at the upper end of the arc-shaped clamping seat 32, a driving mounting seat 5 sliding along the arc-shaped sliding slot is arranged on the arc-shaped sliding slot, a locking elastic strip 51 is fixedly mounted on the driving mounting seat 5, wherein two ends of the locking elastic strip 51 are provided with magnets 501, and the magnets 501 at two ends of the locking elastic strip 51 are opposite;
an arc-shaped driving rod 52 is fixedly installed on the driving installation seat 5, an arc-shaped driving sleeve 53 is sleeved on the arc-shaped driving rod 52, the arc-shaped driving sleeve 53 and the arc-shaped driving rod 52 are hermetically sealed, and an air source access opening 502 is formed in one end of the arc-shaped driving sleeve 53;
an air source communicating pipe 6 is fixedly mounted on the laryngoscope handle 1, one end of the air source communicating pipe 6 is provided with a first interface 61 used for connecting an air source access port 502, the other end of the air source communicating pipe 6 is provided with a second interface 62 used for connecting an external air source, and the number of the air source communicating pipes 6 is in one-to-one correspondence with the number of the air source access ports 502.
When the gas source communicating pipe 6 is used, when the liquid injecting pipe 41/liquid sucking pipe 42 is inserted into the limiting sleeve 33, the liquid injecting pipe 41/liquid sucking pipe 42 is wrapped by the locking elastic strip 51, the magnets 501 at the two ends are utilized to enable the locking elastic strip 51 to buckle the liquid injecting pipe 41/liquid sucking pipe 42, at this time, the first interface 61 and the second interface 62 at the two ends of the gas source communicating pipe 6 are respectively connected to the gas source inlet 502 and the interface of an external gas source, when the liquid injecting pipe 41/liquid sucking pipe 42 needs to be extended/contracted relative to the liquid outlet 301 in the operation process, the external gas source is utilized to introduce gas into the gas source communicating pipe 6, the overall length of the arc-shaped driving rod 52 and the arc-shaped driving sleeve 53 is lengthened, and further the liquid injecting pipe 41/liquid sucking pipe 42 is extended; in a similar way, the gas source communicating pipe 6 is sucked out by using an external gas source, the overall length of the arc-shaped driving rod 52 and the arc-shaped driving sleeve 53 is shortened, and then the liquid injection pipe 41/the liquid suction pipe 42 is contracted relative to the outlet pipe opening 301.
In the implementation, the laryngoscope blade mounting seat 2 is rotatably mounted at the lower end of the laryngoscope handle 1 through a rotating shaft 21, specifically, the rotating shaft 21 is fixedly mounted on the laryngoscope blade mounting seat 2, wherein the rotating shaft 21 is rotatably mounted with the lower end of the laryngoscope handle 1;
a first helical gear 22 with a coaxial line is fixedly mounted on the rotating shaft 21, a second helical gear 23 is meshed with the outer side of the first helical gear 22, a first driving rod 24 with a coaxial line is fixedly mounted on the second helical gear 23, a third helical gear 25 is fixedly mounted at the upper end of the first driving rod 24, a fourth helical gear 26 is meshed and connected with the outer side of the third helical gear 25, a second driving rod 27 is fixedly mounted on the fourth helical gear 26, a knob 7 is fixedly mounted at the top end of the second driving rod 27, wherein the knob 7 is positioned at the upper end part of the laryngoscope handle 1, and the knob 7 is positioned at the outer side of the laryngoscope handle 1;
the first driving rod 24 and the second driving rod 27 are rotatably connected with the laryngoscope handle 1, and the first driving rod 24, the third bevel gear 25, the fourth bevel gear 26 and the second driving rod 27 are accommodated in the laryngoscope handle 1, so that the whole video laryngoscope is more compact.
During the use, when needing to adjust the turned angle of laryngoscope piece 3, rotatory knob 7 carries out when operating personnel handheld laryngoscope handle 1, and knob 7 rotates and makes the angle of laryngoscope piece 3 can be adjusted through the motion transmission.
In the embodiment, the detachable connection between the laryngoscope blade 3 and the laryngoscope blade mounting seat 2 and between the laryngoscope blade shell 31 and the arc-shaped clamping seat 32 are formed by a groove key connection mode, but not limited.
The working principle is as follows:
when the laryngoscope is used, an operator rotates the knob 7 while holding the laryngoscope handle 1, the laryngoscope blade 3 is adjusted at any rotation angle through motion transmission when the knob 7 rotates, the laryngoscope blade is fully exposed, and meanwhile, the knob 7 is arranged at the holding position of the laryngoscope handle 1, so that the angle of the laryngoscope blade 3 is more conveniently adjusted;
when a medicine (such as anesthetic) needs to be injected to a treatment part during an operation, the injector filled with the medicine is connected with the interface of the liquid injection pipe 41, and the medicine is injected into the treatment part by using the liquid injection pipe 41; when the hematocele and vomit are cleaned during operation, the liquid aspirator is connected with the interface of the liquid aspirating tube 42, the hematocele and the vomit are aspirated by the liquid aspirating tube 42, and meanwhile, the backflow of the hematocele and the vomit is prevented; because the injection tube 41/the pipette 42 are both detachably connected with the laryngoscope lens 3 and the laryngoscope handle 1, in the actual operation, the injection tube 41/the pipette 42 is replaced by a new one every time of operation, thereby avoiding the cross infection of the front and back operations of the injection tube 41/the pipette 42;
in the operation process, when the injection pipe 41/pipette 42 needs to be extended/contracted relative to the outlet pipe opening 301, the external air source is used for introducing air into the air source communicating pipe 6, the overall length of the arc-shaped driving rod 52 and the arc-shaped driving sleeve 53 is lengthened, and then the injection pipe 41/pipette 42 is extended relative to the outlet pipe opening 301; in a similar way, the gas source communicating pipe 6 is sucked out by using an external gas source, the overall length of the arc-shaped driving rod 52 and the arc-shaped driving sleeve 53 is shortened, and then the liquid injection pipe 41/the liquid suction pipe 42 is contracted relative to the outlet pipe opening 301.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.

Claims (5)

1. A video laryngoscope with continuously adjustable lens angle comprises a laryngoscope handle (1) provided with a video display, wherein the lower end of the laryngoscope handle (1) is rotatably provided with a laryngoscope lens mounting seat (2), and a laryngoscope lens (3) is arranged on the laryngoscope lens mounting seat (2), and is characterized in that the laryngoscope lens (3) is detachably arranged on the laryngoscope lens mounting seat (2);
the laryngoscope lens (3) comprises a laryngoscope lens shell (31) and an arc-shaped clamping seat (32), wherein the laryngoscope lens shell (31) is detachably mounted on the laryngoscope lens mounting seat (2), the arc-shaped clamping seat (32) is detachably mounted at the lower end of the laryngoscope lens shell (31), the arc-shaped clamping seat (32) and the laryngoscope lens shell (31) are integrally positioned at one end away from the laryngoscope handle (1) and are contracted to form a nozzle outlet (301), and the arc-shaped clamping seat (32) and the laryngoscope lens shell (31) are integrally positioned at one end close to the laryngoscope handle (1) and are contracted to form a nozzle inlet (302);
be close to arc cassette (32) upper end fixed mounting of play mouth of pipe (301) has a pair of stop collar (33), and it has annotate liquid pipe (41) to alternate in arbitrary stop collar (33), and it has pipette (42) to alternate in another stop collar (33), and wherein annotate liquid pipe (41)/pipette (42) one end and extend to a mouth of pipe (301) outside, and the other end extends to laryngoscope handle (1) upper end, and it has joint (401) to be located annotate liquid pipe (41)/pipette (42) one of laryngoscope handle (1) upper end to serve fixed mounting.
2. The video laryngoscope with the lens angle continuously adjusted according to the claim 1, characterized in that, a pair of fastening screw sleeves (11) are fixedly arranged at the upper end part of the laryngoscope handle (1), a fastening strip (12) is fixedly arranged between the fastening screw sleeves (11) through bolts, wherein, the liquid injection pipe (41) and the liquid suction pipe (42) are buckled on the outer wall of the laryngoscope handle (1) by the fastening strip (12).
3. The video laryngoscope with the lens angle continuously adjusted according to claim 1, wherein an arc-shaped chute corresponding to the injection tube (41)/the pipette (42) is formed at the upper end of the arc-shaped clamping seat (32), a driving installation seat (5) sliding along the arc-shaped chute is arranged on the arc-shaped chute, a locking elastic strip (51) is fixedly installed on the driving installation seat (5), magnets (501) are arranged at two ends of the locking elastic strip (51), and the magnets (501) at two ends of the locking elastic strip (51) are different from each other;
an arc-shaped driving rod (52) is fixedly installed on the driving installation seat (5), an arc-shaped driving sleeve (53) is sleeved on the arc-shaped driving rod (52), the space between the arc-shaped driving sleeve (53) and the arc-shaped driving rod (52) is sealed in an air-tight mode, and an air source access port (502) is formed in one end of the arc-shaped driving sleeve (53);
the laryngoscope handle (1) is fixedly provided with an air source communicating pipe (6), one end of the air source communicating pipe (6) is provided with a first interface (61) used for connecting an air source access port (502), the other end of the air source communicating pipe is provided with a second interface (62) used for connecting an external air source, and the number of the air source communicating pipes (6) is in one-to-one correspondence with the number of the air source access ports (502).
4. The video laryngoscope with the continuously adjustable lens angle according to claim 1, wherein the laryngoscope lens mounting seat (2) is rotatably mounted at the lower end of the laryngoscope handle (1) through a rotating shaft (21), in particular, the rotating shaft (21) is fixedly mounted on the laryngoscope lens mounting seat (2), and the rotating shaft (21) is rotatably mounted at the lower end of the laryngoscope handle (1);
fixed mounting has first helical gear (22) of coaxial line on pivot (21), the meshing has second helical gear (23) in first helical gear (22) outside, fixed mounting has first actuating lever (24) of coaxial line on second helical gear (23), first actuating lever (24) upper end fixed mounting has third helical gear (25), third helical gear (25) outside meshing is connected with fourth helical gear (26), fixed mounting has second actuating lever (27) on fourth helical gear (26), second actuating lever (27) top fixed mounting has knob (7), wherein knob (7) are located laryngoscope handle (1) upper end, and knob (7) are in laryngoscope handle (1) outside.
5. A video laryngoscope with continuously adjustable lens angle according to claim 4, wherein the first driving rod (24) and the second driving rod (27) are both connected with the laryngoscope handle (1) in a rotating way, and the first driving rod (24), the third bevel gear (25), the fourth bevel gear (26) and the second driving rod (27) are accommodated in the laryngoscope handle (1).
CN202010229715.XA 2020-03-27 2020-03-27 Video laryngoscope with lens angle is adjusted in continuity Expired - Fee Related CN111387913B (en)

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CN111387913B CN111387913B (en) 2022-06-28

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CN206063125U (en) * 2016-04-15 2017-04-05 广州耀远实业有限公司 A kind of visible laryngoscope of adjustable angle
CN207666571U (en) * 2017-06-16 2018-07-31 四川大学华西第二医院 A kind of visible laryngoscope
CN108392714A (en) * 2018-04-12 2018-08-14 太仓市第人民医院 It is a kind of have both bite-block function can remove dirt multifunction throat eyeglass and its working method
CN208510983U (en) * 2017-10-12 2019-02-19 江苏中炜医疗科技有限公司 With the split type laryngoscope assistor attracted

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CN207666571U (en) * 2017-06-16 2018-07-31 四川大学华西第二医院 A kind of visible laryngoscope
CN208510983U (en) * 2017-10-12 2019-02-19 江苏中炜医疗科技有限公司 With the split type laryngoscope assistor attracted
CN108392714A (en) * 2018-04-12 2018-08-14 太仓市第人民医院 It is a kind of have both bite-block function can remove dirt multifunction throat eyeglass and its working method

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Denomination of invention: Video laryngoscope with continuously adjustable lens angle

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