CN108968900A - Laryngoscope - Google Patents
Laryngoscope Download PDFInfo
- Publication number
- CN108968900A CN108968900A CN201810895828.6A CN201810895828A CN108968900A CN 108968900 A CN108968900 A CN 108968900A CN 201810895828 A CN201810895828 A CN 201810895828A CN 108968900 A CN108968900 A CN 108968900A
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- CN
- China
- Prior art keywords
- arched arm
- handle
- eyeglass
- arcuate slot
- display screen
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments 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
- A61B1/267—Instruments 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments 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
- A61B1/00002—Operational features of endoscopes
- A61B1/00043—Operational features of endoscopes provided with output arrangements
- A61B1/00045—Display arrangement
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments 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
- A61B1/04—Instruments 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
- A61B1/05—Instruments 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 characterised by the image sensor, e.g. camera, being in the distal end portion
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Radiology & Medical Imaging (AREA)
- Engineering & Computer Science (AREA)
- Veterinary Medicine (AREA)
- Biophysics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Optics & Photonics (AREA)
- Pathology (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- Otolaryngology (AREA)
- Physiology (AREA)
- Pulmonology (AREA)
- Endoscopes (AREA)
Abstract
The invention discloses a kind of laryngoscopes, including handle, arched arm, display screen and eyeglass；The arched arm includes front-end and back-end, and the outside of the front end is equipped with camera hole, and the inside of the front end is equipped with camera, and the camera shooting direction of the camera is connected with each other towards the camera hole, the rear end and the handle；The display screen and the handle are connected with each other, and the display screen is used to show the picture of the camera shooting；The eyeglass has a variety of different outer dimensions, the eyeglass of every kind of outer dimension is equipped with arcuate slot, the geomery of the arcuate slot and the geomery of the arched arm match, so that the arched arm can pass through the eyeglass grafting of the arcuate slot and various different outer dimensions；Realize and insert thoroughly solve the problems, such as a laryngoscope with an eyeglass, bring great convenience to carry out the operation of trachea cannula by arched arm and various sizes of eyeglass.
Description
Technical field
The present invention relates to a kind of medical instrument, in particular to a kind of laryngoscope.
Background technique
Visible laryngoscope is equipped with Image Acquisition tool in eyeglass end, is equivalent to and moves forward to the eyes of operator close to eyeglass
End allows operator by showing that screen checks bottleneck throat institutional framework.Eyeglass is matched with visible laryngoscope, for curing
Treatment personnel observe oral cavity and throat tissue uses, or manipulate tongue, glottis or larynx in order to be inserted into tracheal catheter or other devices.
Anesthesia and emergency treatment trachea cannula in, operator can by laryngoscope screen definition, intuitive, soft completion trachea cannula,
Ensure that patient with operation is safely and effectively performed the operation, reduce the complication of trachea cannula, and eyeglass be it is disposable, avoid
Cross-infection increases the safety of medical treatment.
In the endotracheal intubation of anesthesia and emergency treatment, for the patient of different age group and different throat physiological structure,
It needs to select and could complete to be intubated using the eyeglass of different size, and the eyeglass of this plurality of specifications requires to be installed to video larynx
On mirror, generally existing a video laryngoscope can only be adapted to a eyeglass, tracheae especially in emergency situations on the market at present
In catheterization procedure, operator first has to select the eyeglass of a appropriate size, then also needs to select to be adapted to a of this eyeglass
Video laryngoscope, this video laryngoscope is poor for the compatibility of different size eyeglass, while also resulting in the wasting of resources, more to behaviour
Author increases operating procedure and difficulty, influences time and the success rate of trachea cannula.
Summary of the invention
The purpose of the present invention is to provide a kind of laryngoscopes, can not be applicable in asking for different size eyeglasses to solve existing laryngoscope
Topic.
In order to solve the above-mentioned technical problems, the present invention provides a kind of laryngoscopes, including, handle；Arched arm, the arched arm
Including front-end and back-end, the outside of the front end is equipped with camera hole, and the inside of the front end is equipped with camera, the camera
Direction is imaged to be connected with each other towards the camera hole, the rear end and the handle；Display screen, the display screen and the handle
It is connected with each other, the display screen is used to show the picture of the camera shooting；And eyeglass, the eyeglass have a variety of differences
Outer dimension, the eyeglass of every kind of outer dimension is equipped with arcuate slot, the geomery of the arcuate slot with it is described
The geomery of arched arm matches, so that the arched arm can pass through the arcuate slot and various different outer dimensions
The eyeglass grafting.
Wherein, the fineness of the front end is less than the fineness of the rear end.
Wherein, dimension linear of the fineness of the arched arm from the front end toward the rear end increases.
Wherein, the arched arm is arched arm made of metal.
Wherein, the bending radius of the arched arm and the arcuate slot is 60~100mm.
Wherein, the outer surface of the handle and the arched arm junction is equipped with convex block, the opening of the arcuate slot
Outside is equipped with buckle, and the convex block is embedded in the buckle.
Wherein, the arcuate slot is arcuate slot made of flexible glue.
Wherein, the outer surface of the rear end is equipped with convex block, and the side wall of the arcuate slot is equipped with button hole, the button hole perforation
The side wall of the arcuate slot, the convex block are embedded in the button hole.
Wherein, one end of the handle is connect with the display screen, the opposite other end of the handle and the arched arm
The junction of connection, the handle and the arched arm is arc-shaped transition structure.
Wherein, the display screen is flexibly connected with the handle.
Beneficial effects of the present invention are as follows:
Since the eyeglass has a variety of different outer dimensions, the eyeglass of every kind of size is equipped with arcuate slot,
The curvature of the arcuate slot is identical as the curvature of the arched arm, inserts so arched arm can be realized with various sizes of eyeglass
Dress thoroughly solves the problems, such as a laryngoscope with an eyeglass, brings great convenience to carry out the operation of trachea cannula.
Detailed description of the invention
In order to illustrate more clearly of technical solution of the present invention, attached drawing needed in embodiment will be made below
Simply introduce, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the present invention, general for this field
For logical technical staff, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the application schematic diagram that first embodiment of the invention provides；
Fig. 2 is the structural schematic diagram that first embodiment of the invention provides；
Fig. 3 is the schematic diagram of internal structure that first embodiment of the invention provides；
Fig. 4 is the three-way pipe structure schematic diagram that first embodiment of the invention provides；
Fig. 5 is the structural schematic diagram that third embodiment of the present invention provides.
Appended drawing reference is as follows:
1, handle；11, key；12, convex block；
2, arched arm；21, rear end；22, front end；221, camera hole；23, camera；
3, display screen；
4, tee tube；41, transverse tube；42, vertical tube；43, upper damping shaft；44, lower damping shaft；
5, eyeglass；51, arcuate slot；52, it buckles；53, button hole.
Specific embodiment
Below in conjunction with the attached drawing in embodiment of the present invention, the technical solution in embodiment of the present invention is carried out clear
Chu is fully described by.
From Fig. 1 to Fig. 4 it is found that one embodiment of laryngoscope of the present invention includes:
Handle 1, as depicted in figs. 1 and 2, the shape of handle 1 are substantially rodlike, the diameter of 1 lower part of handle from top to bottom by
Gradual change is small, so that the lower part of handle 1 is in the structure of similar circular cone column, and this also turns right similar to the structure of circular cone column and is formed by bending
Certain radian；Wherein, the outer surface of upper of handle 1 is equipped with related key 11, and key 11 is used to control the open and close of laryngoscope,
And the inside of handle 1 is equipped with the devices such as control circuit, power circuit and battery, to realize that the loading to main component is protected；Separately
Outside, the lower external of handle 1 is additionally provided with convex block 12, and convex block 12 is placed in the right side of 1 lower part of handle.
Arched arm 2, as shown in Figures 2 and 3, arched arm 2 are made of metal, the shape of arched arm 2 substantially minor arc shape,
The bending radius of arched arm 2 is 80mm at this time；Wherein, the left end of arched arm 2 is its rear end 21, right end is its front end 22, arc
The rear end 21 of arm 2 and the lower part of handle 1 are connected and fixed, and the arc-shaped transition in the rear end 21 of arched arm 2 and the lower part of handle 1 connects at this time
It connects, and the end face of 2 front end 22 of arched arm is equipped with camera hole 221, the inside of 2 front end 22 of arched arm is equipped with camera 23, camera
Circuit device therewith inside 23 associated tracks and handle 1 is electrically connected, to realize control and correlation to camera 23
The reception of information is transmitted, and the camera shooting direction of camera 23 enables camera 23 through camera hole towards camera hole 221
221 pairs of external environments are shot；In addition, dimension linear of the fineness of arched arm 2 from its front end 22 toward its rear end 21 increases
Add, i.e., the shape of arched arm 2 is presented from its front end 22 toward rear end 21 from carefully to thick variation.
Display screen 3, as shown in Figure 2 and Figure 4, display screen 3 are connect with the top movable of handle 1, the active connection part of the two
Position is a tee tube 4；The shape of this tee tube 4 is substantially T-shaped comprising has transverse tube 41, vertical tube 42,43 and of upper damping shaft
Lower damping shaft 44, the direction shown in Fig. 4 of transverse tube 41 is horizontally disposed, and the direction shown in Fig. 4 of vertical tube 42 is arranged vertically, and vertical tube 42
Upper end connect conducting with the middle part of transverse tube 41；Upper damping shaft 43 is installed on the end of transverse tube 41, and the back with display screen 3 at this time
Face is connected and fixed, display screen 3 can transverse tube 41 central axis be center of rotation carry out horizontal direction rotation；Similarly,
Damping shaft 44 is installed on the lower end of vertical tube 42 at present for this, and is connected and fixed with the top of handle 1, and display screen 3 can vertical tube
42 central axis is the rotation that center of rotation carries out vertical direction；Wherein, the lead of display screen 3 can be through the inside of tee tube 4
It extends in handle 1, the connection of display screen 3 Yu 1 inside circuit device therewith of handle is realized with this.
Eyeglass 5, as depicted in figs. 1 and 2, the tool of eyeglass 5 apply art there are five types of different outer dimension, with cope with different sufferers
Demand；Wherein, every piece of eyeglass 5 is equipped with an arcuate slot 51, and arcuate slot 51 is made using ebonite, the shape of arcuate slot 51
Shape size and the geomery of arched arm 2 match, so that arched arm 2 can be from 5 grafting of eyeglass of various different outer dimensions；
In addition, the geomery of arcuate slot 51 and arched arm 2 matches and can be regarded as: the bending half of arcuate slot 51 and arched arm 2
Diameter is identical, arcuate slot 51 fluting size is identical as the size of arched arm 2 and the depth and arc of arcuate slot 51
The length of arm 2 is identical；Certainly, size matching do not limit size be only capable of it is identical, even if there are size deviations for the two size, but only
Want the two that can ensure that arched arm 2 can be smoothly inserted into arcuate slot 51 and after grafting can be relatively fixed；More
Further, it is equipped with buckle 52 outside the opening of arcuate slot 51, to realize card after arched arm 2 is inserted into arcuate slot 51
The fastening of button 52 and convex block 12.
The use process of this embodiment approximately as:
1, for example needing the sufferer for carrying out laryngoscope insertion is a children, is carried out so smallest size of eyeglass 5 may be selected
It uses, is at this time inserted into arched arm 2 in the arcuate slot 51 of eyeglass 5, until after arched arm 2 is fully inserted into, convex block 12 and buckle
52 will be in opposite state, fasten to realize in the insertion of convex block 12 buckle 52, to realize that the installation of eyeglass 5 is fixed；
2, the sufferer for if desired carrying out laryngoscope insertion is changed to adult, can first release the fastening of convex block 12 and buckle 52,
Then smallest size of eyeglass 5 is removed, the maximum eyeglass 5 of size may be selected at this time, and repeat above-mentioned installation process
Carry out using.
In summary, laryngoscope described in the present embodiment at least have it is following the utility model has the advantages that
1. can will realize that more size eyeglasses 5 are applicable in the structure summary of function are as follows: a kind of laryngoscope, including, handle 1；Arched arm
2, the arched arm 2 includes front end 22 and rear end 21, and the outside of the front end 22 is equipped with camera hole 221, the front end 22 it is interior
Portion is equipped with camera 23, and the camera shooting direction of the camera 23 is towards the camera hole 221, the rear end 21 and the handle 1
It is connected with each other；Display screen 3, the display screen 3 are connected with each other with the handle 1, and the display screen 3 is for showing the camera
The picture of 23 shootings；And eyeglass 5, the eyeglass 5 have a variety of different outer dimensions, the eyeglass of every kind of outer dimension
5 are equipped with arcuate slot 51, and the geomery of the arcuate slot 51 and the geomery of the arched arm 2 match, so that
The arched arm 2 can pass through 5 grafting of the eyeglass of the arcuate slot 51 and various different outer dimensions.
After meeting this structure, it can guarantee that the eyeglass 5 of different outer dimensions all has the arcuate slot 51 of identical size,
So being just able to achieve same arched arm 2 and a variety of differences in the case where arcuate slot 51 and 2 geomery of arched arm match
The eyeglass 5 of outer dimension carries out grafting assembling, to thoroughly solve the problems, such as a laryngoscope with an eyeglass, to carry out laryngoscope insertion
Operation brings great convenience.
2. the shape of arched arm 2 can be summarized are as follows: the fineness of the front end 22 is less than the thickness journey of the rear end 21
Degree.
Meeting this structure, arched arm 2 by be in 22 small rear end big 21 of front end shape, due to 22 meeting of front end of arched arm 2
Be inserted into patient, thus arched arm 2 be set as the small structure in front end 22 can convenient for eyeglass 5 is done it is small, with ensure smoothly
It is inserted into patient, and arched arm 2 is set as the big structure in rear end 21, it can be ensured that the mechanical strength of arched arm 2 is sufficient, keeps away
Exempt from occur breakage phenomenon in use.
3. the shape of arched arm 2 further can be summarized are as follows: the fineness of the arched arm 2 is from the front end 22 toward institute
The dimension linear for stating rear end 21 increases.
On the basis of arched arm 2 is that the small rear end 21 in front end 22 is thick, further such that line is presented in the fineness of arched arm 2
Property variation, the mode for being able to use cross-sectional scans in this way forms arched arm 2, not only reduces the manufacture difficulty of arched arm 2, more make
Linear change is presented in the mechanical strength for obtaining arched arm 2, some position is avoided mechanical strength mutation occur and be easily broken off.
4. the material type of arched arm 2 can be summarized are as follows: the arched arm 2 is arched arm 2 made of metal.
Since arched arm 2 is made of metal, so the mechanical strength of arched arm 2 is higher, it is not easy to which eyeglass is convenient in bending
The progress of 5 installation and laryngoscope insertion；Wherein, since arched arm 2 can be inserted into the internal of sufferer, so arched arm 2 should select
The preferable metal of stability is made, for example stainless steel, titanium alloy etc..
5. the bending radius of arched arm 2 and arcuate slot 51 can be summarized are as follows: the arched arm 2 and the arcuate slot 51
Bending radius be 60~100mm.
Although different sufferers is needed using various sizes of eyeglass 5, the insertion path of laryngoscope be all it is similar, this
The bending radius in path substantially 60~100mm, so the bending radius of arched arm 2 and arcuate slot 51 is set as 60~
100mm is just able to satisfy the use demand of most sufferer, brings great convenience to carry out laryngoscope insertion.
6. the fixed form of eyeglass 5 can be summarized are as follows: the handle 1 and the outer surface of 2 junction of arched arm are equipped with
Convex block 12, the opening outside of the arcuate slot 51 are equipped with buckle 52, and the convex block 12 is embedded in the buckle 52.
After meeting this structure, as long as arched arm 2 just can not be extracted arbitrarily to arcuate slot in the insertion of convex block 12 buckle 52
Outside 51, it is necessary to which user manually breaks convex block 12 and buckle 52 into two with one's hands, is just able to achieve the separation of arched arm 2 Yu eyeglass 5, this mode
It is advantageous in that and eyeglass 5 is avoided voluntarily to fall off in use, provide important leverage for the life security of sufferer；It needs to refer to
It out, is only that 52 pairs of column-like projection blocks of buckle are detained under the buckling state of column-like projection block and buckle 52 if convex block 12 is in the form of a column
Tightly, so in order to reinforce the fastening fastness of the two convex block 12 can be set to the shape of hook, in snap fit shape convex block and card
Under the buckling state of button 52, snap fit shape convex block can be fastened by not only buckling 52, and snap fit shape convex block can also carry out buckle 52
Fastening, to greatly reinforce the fastening fastness of the two by dual fastening.
7. the connection relationship of display screen 3, handle 1 and arched arm 2 can be summarized: one end of the handle 1 and the display
3 connection of screen, the opposite other end of the handle 1 are connect with the arched arm 2, the junction of the handle 1 and the arched arm 2
For arc-shaped transition structure.
Since when using laryngoscope, handle 1 is possible to generate with sufferer and contact with the junction of arched arm 2, so
It after meeting above structure, can guarantee the smooth of handle 1 and 2 junction of arched arm, avoid scratching sufferer, be brought for sufferer
Better usage experience.
8. the connection type of display screen 3 can be summarized are as follows: the display screen 3 is flexibly connected with the handle 1.
During using laryngoscope, the grip position of handle 1 is not to be maintained at same position at the moment, so if will display
Screen 3 is set as being fixedly mounted, then display screen 3 is easily positioned at the unsharp position of observation visual angle, seriously affects the use effect of laryngoscope
Fruit；And after meeting above structure, display screen 3 can adjust the relative position with handle 1 as needed, so as to user can when
It carves and obtains clearly image frame, provide important leverage for the life security of sufferer.
Wherein, the mode that display screen 3 is flexibly connected with handle 1 is varied, the mode in addition to applying tee tube 4 above,
A transverse tube can also be individually selected, to realize the rotation in the horizontal direction of display screen 3, a vertical tube can also be selected, individually with reality
Existing display screen 3 can more select the multi-directional ball with damping function, in the rotation of vertical direction to realize display screen in multiple sides
Rotation on position.
Second embodiment and one embodiment of laryngoscope of the present invention are almost the same, and difference is the arc
Slot 51 is arcuate slot made of flexible glue；Obviously, relative to arcuate slot 51 made of ebonite, arcuate slot made of flexible glue
51 it is more difficult cause harm to the human body, so can more be mentioned when in using laryngoscope insertion patient for the life security of sufferer
For ensureing.
As shown in figure 5, the third embodiment of laryngoscope of the present invention and second embodiment are almost the same, difference exists
It is no longer set to the outer surface of 1 lower part of handle in convex block 12, but convex block 12 is set to the outer surface of arched arm 2, specially arc
The outer surface of the rear end 22 of arm 2 is equipped with convex block 12, and the side wall of the arcuate slot 51 is equipped with button hole 53, and the button hole 53 passes through
Lead to the side wall of the arcuate slot 51, the convex block 12 is embedded in the button hole 53.
Because arcuate slot 51 is made of flexible glue, arcuate slot 51 itself has certain elasticity, only need to slightly support
The purpose that convex block 12 is embedded in button hole 53 can be realized by opening arcuate slot 51, removed from and be independently arranged buckle outside arcuate slot 51
52, to simplify 5 structure of eyeglass and occupied space.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (10)
1. a kind of laryngoscope, which is characterized in that including,
Handle；
Arched arm, the arched arm include front-end and back-end, and the outside of the front end is equipped with camera hole, and the inside of the front end is set
There is camera, the camera shooting direction of the camera is connected with each other towards the camera hole, the rear end and the handle；
Display screen, the display screen and the handle are connected with each other, and the display screen is used to show the picture of the camera shooting
Face；
And eyeglass, the eyeglass have a variety of different outer dimensions, the eyeglass of every kind of outer dimension is equipped with arc
Slot, the geomery of the arcuate slot and the geomery of the arched arm match, so that the arched arm can lead to
Cross the eyeglass grafting of the arcuate slot from various different outer dimensions.
2. laryngoscope according to claim 1, which is characterized in that the fineness of the front end is less than the thickness of the rear end
Degree.
3. laryngoscope according to claim 2, which is characterized in that the fineness of the arched arm is from the front end described in
The dimension linear of rear end increases.
4. laryngoscope according to claim 1, which is characterized in that the arched arm is arched arm made of metal.
5. laryngoscope according to claim 1, which is characterized in that the bending radius of the arched arm and the arcuate slot is
60~100mm.
6. laryngoscope according to claim 1, which is characterized in that the handle and the outer surface of the arched arm junction are set
There is convex block, buckle is equipped with outside the opening of the arcuate slot, the convex block is embedded in the buckle.
7. laryngoscope according to claim 1, which is characterized in that the arcuate slot is arcuate slot made of flexible glue.
8. laryngoscope according to claim 7, which is characterized in that the outer surface of the rear end is equipped with convex block, and the arc is inserted
The side wall of slot is equipped with button hole, and the button hole penetrates through the side wall of the arcuate slot, and the convex block is embedded in the button hole.
9. laryngoscope according to claim 1, which is characterized in that one end of the handle is connect with the display screen, described
The opposite other end of handle is connect with the arched arm, and the junction of the handle and the arched arm is arc-shaped transition structure.
10. laryngoscope according to claim 1, which is characterized in that the display screen is flexibly connected with the handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810895828.6A CN108968900A (en) | 2018-08-07 | 2018-08-07 | Laryngoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810895828.6A CN108968900A (en) | 2018-08-07 | 2018-08-07 | Laryngoscope |
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| Publication Number | Publication Date |
|---|---|
| CN108968900A true CN108968900A (en) | 2018-12-11 |
Family
ID=64555363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810895828.6A Pending CN108968900A (en) | 2018-08-07 | 2018-08-07 | Laryngoscope |
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| CN110338744A (en) * | 2019-08-23 | 2019-10-18 | 深圳市宏济医疗技术开发有限公司 | a laryngoscope |
| CN110507277A (en) * | 2019-06-27 | 2019-11-29 | 上海市公共卫生临床中心 | Front end integrated visual adjustable hard laryngoscope |
| CN110840390A (en) * | 2019-11-26 | 2020-02-28 | 纳智医疗设备（徐州）有限公司 | Visual laryngoscope |
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| CN109497924A (en) * | 2018-12-27 | 2019-03-22 | 英特科利(江苏)医用内窥影像技术有限公司 | A kind of visible laryngoscope |
| CN110507277A (en) * | 2019-06-27 | 2019-11-29 | 上海市公共卫生临床中心 | Front end integrated visual adjustable hard laryngoscope |
| CN110338744A (en) * | 2019-08-23 | 2019-10-18 | 深圳市宏济医疗技术开发有限公司 | a laryngoscope |
| CN110840390A (en) * | 2019-11-26 | 2020-02-28 | 纳智医疗设备（徐州）有限公司 | Visual laryngoscope |
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