CN203987969U - Video laryngoscope - Google Patents
Video laryngoscope Download PDFInfo
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- CN203987969U CN203987969U CN201420453690.1U CN201420453690U CN203987969U CN 203987969 U CN203987969 U CN 203987969U CN 201420453690 U CN201420453690 U CN 201420453690U CN 203987969 U CN203987969 U CN 203987969U
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Abstract
A kind of video laryngoscope, comprise image-forming component, mirror handle and be installed on display and the blade at described mirror handle two ends, described mirror handle comprises expansion link and by-pass cock, one end of described expansion link is positioned in described mirror handle, the other end (free end) stretches out described mirror handle, described image-forming component is fixed on described free end and is electrically connected with described mirror handle, one end of described by-pass cock is arranged at described mirror handle surface, the other end stretches into described mirror handle inside and is connected with described expansion link, by pressing or slide described by-pass cock, control the movement of described expansion link in described mirror handle, described blade is sheathed on described expansion link, and there is different length, by described by-pass cock, control the stroke of described expansion link, make to be positioned at the front end that the blade of different length is pressed close to or contacted to the free-ended image-forming component of described expansion link.
Description
Technical field
This utility model relates to medical instruments field, relates in particular to a kind of video laryngoscope.
Background technology
When tracheal intubation is carried out in general anesthesia and critical patient's first aid, generally need to trachea be inserted from patient's oral cavity by laryngoscope, traditional laryngoscope consists of the bending segment of hand-held straight handle section and insertion trunnion, after laryngoscope inserts, the illuminating lamp of laryngoscope illuminates pharyngeal cavity, operator need to bend to observe patient's epiglottis and glottis in oral cavity, and the visual field of this operation is little, inconvenient operation and need operator to possess abundant operating experience.Developed afterwards the video laryngoscope that photographic head, light source, display is integrated in to one, can realize doctor in operation by watching display to understand the situation in air flue, to realize operation rapidly and accurately, and reduced patient's damage and stress stimulation.
Existing video laryngoscope generally comprises mirror handle and is installed on blade and the display at mirror handle two ends, light source and photographic head are arranged on mirror handle, and be arranged on the front end of described blade, its Leaf has the arc of throat physiological camber when human body natural's position, and for the patient with different physiological make-ups, need to select different blades, so when changing blade, in order to make the position of photographic head and light source, mate with the new blade of changing, often need to reselect the mirror handle of adaptive this blade, so just need the mirror handle of a plurality of blades and a plurality of and blade adaptation, make the structure extensibility of this video laryngoscope not high, function is more single, cause the waste of resource, more to operator, increase operational difficulty, delay treatment opportunity.
Utility model content
For the problems referred to above, the purpose of this utility model is to provide a kind of video laryngoscope, and it is by design an expansion link on described mirror handle, and image-forming component and light source are fixed on described expansion link, by regulating the stroke of described expansion link, make described mirror handle adaptive from different blades.
This utility model provides a kind of video laryngoscope, comprise image-forming component, mirror handle and be installed on display and the blade at described mirror handle two ends, described mirror handle comprises expansion link and by-pass cock, one end of described expansion link is positioned in described mirror handle, the other end (free end) stretches out described mirror handle, described image-forming component is fixed on described free end and is electrically connected with described mirror handle, one end of described by-pass cock is arranged at described mirror handle surface, the other end stretches into described mirror handle inside and is connected with described expansion link, by pressing or slide described by-pass cock, control the movement of described expansion link in described mirror handle, described blade is sheathed on described expansion link, and there is different length, by described by-pass cock, control the stroke of described expansion link, make to be positioned at the front end that the blade of different length is pressed close to or contacted to the free-ended image-forming component of described expansion link.
Wherein, described expansion link is made by hard material or is made by flexible material, or is connected and makes with one section of flexible material by one section of hard material.
Wherein, described expansion link has a predetermined radian, and the radian of described expansion link and the radian of described blade are adaptive mutually.
Wherein, described mirror handle comprises lever and secondary signal interface, and described secondary signal interface is fixed on described lever, and described display has first signal interface, and described first signal interface docks to realize electrical connection with described secondary signal interface.
Wherein, on described expansion link, be provided with some bayonet sockets, in described lever, be provided with chute, described by-pass cock one end is arranged at described lever surface, the other end is positioned at described lever and has a locating rack, described locating rack offers through hole, and spring is installed, described expansion link is through the through hole of described locating rack, and be arranged in described chute, the elastic force of described spring makes bayonet socket and the described locating rack interlock of described expansion link, when pressing described by-pass cock, described spring is compressed, the bayonet socket of described expansion link is separated with described locating rack, described expansion link moves to after predetermined bayonet socket in described chute, unclamp described by-pass cock, the elastic force of described spring makes bayonet socket predetermined on described expansion link and described locating rack interlock.
Wherein, in described lever, be provided with slideway, described by-pass cock one end is arranged on described slideway, the other end enters in described lever through described slideway, and be connected and fixed with the described expansion link in described lever, on described slideway and described by-pass cock, be provided with some sawtooth and intermesh, so that described expansion link keeps fixing, described by-pass cock is applied to large thrust, sawtooth slideway on the relatively described slideway of sawtooth on described by-pass cock, and drive described expansion link to move, to regulate the stroke of described expansion link.
Wherein, described by-pass cock is motor switch, regulates the stroke of described expansion link in the mode by electronic.
Wherein, described lever also has spacer, on described blade, has locating hole, and described mirror handle is crossed described spacer with described blade pass and is connected and fixed with coordinating of described locating hole.
Wherein, described blade and described mirror handle by being spirally connected, the mode that is connected of riveted joint or buckle is connected and fixed.
Wherein, described blade front end has an eyeglass, and described blade has different length, and described expansion link, by regulating stroke, makes to be positioned at the eyeglass that the blade front end with different length is pressed close to or contacted to the free-ended image-forming component of described expansion link.
The video laryngoscope that this utility model provides, by design the adjustable expansion link of a stroke on described mirror handle, and at the free end of described expansion link, described image-forming component and light source are installed, the stroke of described expansion link is controlled by described by-pass cock, and different strokes is corresponding to the blade of different model, thereby only need to use a mirror handle and some blades of changing, can meet all ages and classes section, the patient's of different physiological structures user demand, the video laryngoscope that this utility model provides, have simple to operate flexible, the advantages such as the suitability is wide, can economize on resources and reduce medical expense simultaneously.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical solution of the utility model, to the accompanying drawing of required use in embodiment be briefly described below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of the video laryngoscope that provides of this utility model embodiment.
Fig. 2 is the rotation schematic diagram of the display shown in Fig. 1.
Fig. 3 is the schematic internal view of the video laryngoscope that provides of this utility model embodiment.
Fig. 4 is the connection diagram of expansion link and by-pass cock.
Fig. 5 is the structural representation of expansion link.
Fig. 6 is the video laryngoscope that provides of this utility model embodiment and the connection diagram of different blade.
The specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, obviously, described embodiment is only this utility model part embodiment, rather than whole embodiment.Embodiment based in this utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of this utility model protection.
Refer to Fig. 1, this utility model embodiment provides a kind of video laryngoscope 100, and it is for inserting in air flue, to obtain the real time imaging information in described air flue.Described video laryngoscope 100 comprises display 10, mirror handle 20, image-forming component 40 and some blades 50.Described display 10 is installed on one end of described mirror handle 20, and is electrically connected with described mirror handle 20.Described mirror handle 20 has expansion link 21, one end of described expansion link 21 is installed in described mirror handle 20, the other end (free end) stretches out described mirror handle 20 (other end corresponding with described display 10), described expansion link 21 can be in the interior movement of described mirror handle 20, thus the length that regulates the free end of described expansion link 21 to stretch out described mirror handle 20.Described image-forming component 40 is fixed on the free end of described expansion link 21, and be electrically connected with described mirror handle 20, described blade 50 has an eyeglass 51 for hollow structure and one end (front end), wherein, any one blade 50 all can be set on described expansion link 21, and be fixed on described mirror handle 20, described expansion link 21 is by regulating it to stretch out the length of described mirror handle 20, making to be fixed on the free-ended image-forming component 40 of this expansion link 21 presses close to or contacts the eyeglass 51 that is positioned at described blade 50 front ends, described image-forming component 40 obtains the video signal in described air flue, described video signal transfers to described display 10 by described mirror handle 20 and shows on described display 10.When changing described blade 50, regulate described expansion link 21 to stretch out the length of described mirror handle 20, thereby be fixed on the eyeglass 51 that blade 50 front ends that are positioned at replacing are pressed close to or contacted to the free-ended image-forming component 40 of this expansion link 21 again.
See also Fig. 2, in this utility model embodiment, described display 10 comprises rotating shaft 11 and first signal interface 12, described first signal interface 12 can be installed on described mirror handle 20, and this first signal interface 12 and described mirror handle 20 electrical connections, thereby described video signal transfers to described display 10 by described mirror handle 20.Described rotating shaft 11 can be controlled described display 10 and rotate or swing, and is beneficial to operator and observes.
See also Fig. 3 to Fig. 5, in this utility model embodiment, described mirror handle 20 also comprises lever 22, secondary signal interface 23 and by-pass cock 24, and described secondary signal interface 23 is fixed on one end of described lever 22, and can dock to realize electrical connection with described first signal interface 12.Described expansion link 21 is arranged in described lever 22, to be socketed described blade 50.Described by-pass cock 24 can be bayonet socket switch, and it is arranged on described lever 22, and can be used for regulating the stroke of described expansion link 21.Be specially, on described expansion link 21, be provided with some bayonet sockets 211, described lever 22 is provided with chute 221, one end of described by-pass cock 24 is button, it is arranged at described lever 22 surfaces, the other end is positioned at described lever 22 and has a locating rack 241, described locating rack 241 framework that is roughly square, and offer through hole 243, the side that described locating rack 241 is relative with described button is installed a spring 242, one end of described expansion link 21 is through the through hole 243 on described locating rack 241, and be arranged in described chute 221, and retain certain space between described expansion link 21 and described through hole 243, the elastic force of described spring makes the bayonet socket 211 and the tightly interlock of described locating rack 241 of described expansion link 21, thereby described expansion link 21 keeps motionless.When pressing described by-pass cock 24, described spring 242 is compressed, the bayonet socket 211 of described expansion link 21 is separated with described locating rack 241, described expansion link 21 moves to after predetermined bayonet socket and (can move by manual mode described expansion link 21 or on stretching direction at described expansion link 21, another spring is set in described chute 221, make described expansion link 21 carry out automated movement by the elastic force of this spring), unclamp described by-pass cock 24, the elastic force of described spring 242 makes bayonet socket predetermined on described expansion link 21 and described locating rack 241 interlock again, thereby regulated the stroke of described expansion link 21, wherein, the position of described bayonet socket 211 on described expansion link 21 can be designed according to the model of described blade 50 and length, when thereby the different bayonet socket 211 of described expansion link 21 is engaged on described locating rack 241, the length that described expansion link 21 stretches out described lever 22 just and blade 50 adaptations of different model or length.
Be understandable that, in other embodiment of the present utility model, described by-pass cock 24 also can have other regulative mode with described expansion link 21, as as described in can offer slideway (not shown) on lever 22, one end of described by-pass cock 24 is arranged on described slideway, the other end enters in described lever 22 through described slideway, and be connected and fixed with the expansion link 21 in described lever 22, described by-pass cock 24 is provided with laciniation and intermeshes and can be movable relatively with described slideway.Described by-pass cock 24 is applied to a large thrust, make the relatively described slideway motion of described by-pass cock 24, drive described expansion link 21 to move, thereby regulated the stroke of described expansion link 21.
It should be noted that; in other embodiment of the present utility model; described expansion link 21 can also be by electronic mode adjustable telescopic rod length; such as the combination that adds worm and gear by motor, control the length of expansion link etc.; these regulation schemes all, within protection domain of the present utility model, do not repeat them here.
It should be noted that, the length of described expansion link 21 can be continuously adjustable, and several fixing strokes also can be set, and regulates between this some fixing stroke.
It should be noted that, described expansion link 21 can be made by hard material, also can be made by flexible material, can also be that one section of hard material is connected and makes with one section of flexible material.When described expansion link 21 is made by hard material, described expansion link 21 has certain radian, and the design of described radian is while making described expansion link 21 flexible, just in time can make the blade 50 of different model be set on described expansion link 21; When described expansion link 21 is made by flexible material, its radian can continuous setup, so that the mating of the blade 50 of described expansion link 21 and different model.
In this utility model embodiment, described mirror handle 20 also comprises some spacers 25, and described spacer 25 has the structure of a perk, and this spacer 25 is for fixing described blade 50, and described blade 50 can be fixed on described spacer 25 easily, or disassemble from described spacer 25.
In this utility model embodiment, described mirror handle 20 also can comprise record button 26, described record button 26 and described secondary signal interface 23 electrical connections, when described display 10 is installed on described mirror handle 20, described record button 26 can be controlled described display 10 and record a video, the video signal obtaining to preserve described image-forming component 40.Be understandable that, described record button 26 also can be installed on described display 10, at this, does not limit.
In this utility model embodiment, described blade 50 can be the hollow transparent cavity with certain radian, and the radian of described blade 50 mates with the radian of described expansion link 21.On the front end of described blade 50, also have a pressure tongue 52, described pressure tongue 52, for provoking epiglottic cartilage to open described air flue, facilitates described video laryngoscope 100 to obtain air flue image information.
In this utility model embodiment, described blade 50 also comprises some locating holes 53, described locating hole 53 coordinates with described spacer 25, so that described blade 50 is fixed on described mirror handle 20, be specially, described spacer 25 has the structure of a perk, when described blade 50 is fixed on described mirror handle 20, the part of described spacer 25 perks can be pressed down, make described spacer 25 through described locating hole 53, thereby described blade 50 is fixed on described mirror handle 20, and when needs by described blade 50 when described mirror handle 20 disassembles, press the part of described spacer 25 perks, thereby take out described blade 50.Be understandable that, in other embodiment of the present utility model, described mirror handle 20 also can be connected by screw with blade 50, and the modes such as riveted joint or buckle connection are fixed, and do not repeat them here.
See also Fig. 6, in this utility model embodiment, described blade 50 can be disposable, also can be reusablely, and its structure can be with endotracheal tube guiding groove or not with endotracheal tube guiding groove.For different use crowds, the structure of described blade 50 can have different length, radian or press tongue angle, and as the patient for same age bracket, the length of described blade 50 can remain unchanged, and radian and pressure tongue angle have many kinds of parameters, to mate different patients' physiological structure.For the patient of all ages and classes section, the length of described blade 50 is difference generally, and as the length of the blade of child's use may be shorter, and the length of the blade that adult uses is longer, and the radian of blade and pressure tongue angle also difference.
In this utility model embodiment, described image-forming component 40 and described secondary signal interface 23 electrical connections, so that the video signal of its acquisition is transferred to described display 10 by described secondary signal interface 23, described image-forming component can be but is not limited to: charge coupled cell (Charge-coupled Device, CCD), complementary metal oxide semiconductors (CMOS) (Complementary Metal Oxide Semiconductor, CMOS) or N-type metal-oxide semiconductor (MOS) (N Mental Oxide Semiconductor, NMOS), its image-forming principle can be electronic imaging, optical imagery or imaging fiber etc., at this, do not limit.Simultaneously, in order to guarantee the imaging effect of described image-forming component 40 in described air flue, near described image-forming component 40, some light sources are also installed, described light source can be semiconductor light-emitting-diode, itself and described secondary signal interface 23 are electrically connected, to provide described image-forming component 40 imagings required lighting condition.
See also Fig. 1 to Fig. 6, during use, first according to patient's age and physiological structure roughly, select the blade 50 of corresponding model, then described blade 50 is sheathed on described expansion link 21, and by described locating hole 53, described blade 50 is fixed on the spacer 25 on described mirror handle 20.Described by-pass cock 24 regulates the stroke of described expansion link 21, makes to be positioned at the free-ended image-forming component 40 of described expansion link 21 and presses close to or contact the eyeglass 51 that is positioned at described blade 50 front ends.Then the saturating laryngoscope 100 of described video is inserted in described air flue.In insertion process, if find, described blade 50 is not adaptive with patient's physiological structure, pull down current blade 50 and replace with adaptive blade 50, wherein, if the blade 50 of changing is only to press tongue angle different, do not need to regulate the stroke of described expansion link 21, and when the length of the blade 50 of changing is different, can regulate by described by-pass cock 24 stroke of described expansion link 21, making to be positioned at the free-ended image-forming component 40 of described expansion link 21 presses close to light source or contacts described eyeglass 51, now, described image-forming component 40 is under the cooperation of described light source, obtain the video signal in described air flue, described video signal transfers to described display 10 by described secondary signal interface 23 and first signal interface 12, and show on described display 10.In addition, described video laryngoscope 100 also can be applied to different patients simultaneously, its operational approach and step are same as described above, only need according to the stroke of expansion link 21 described in the length adjustment of described blade 50, can make described video laryngoscope 100 be applied to the patient of all age group and various physiological structures simultaneously.
In sum, the video laryngoscope 100 that this utility model provides, by design the adjustable expansion link of a stroke 21 on described mirror handle 20, and at the free end of described expansion link 21, described image-forming component 40 and light source are installed, the stroke of described expansion link 21 is controlled by described by-pass cock 24, and different strokes is corresponding to the blade 50 of different model, thereby only need to use a mirror handle 20 and some blades of changing 50, can meet all ages and classes section, the patient's of different physiological structures user demand, the video laryngoscope 100 that this utility model provides, have simple to operate flexible, the advantages such as the suitability is wide, can economize on resources and reduce medical expense simultaneously.
The above is preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of this utility model principle; can also make some improvements and modifications, these improvements and modifications are also considered as protection domain of the present utility model.
Claims (10)
1. a video laryngoscope, comprise image-forming component, mirror handle and be installed on display and the blade at described mirror handle two ends, it is characterized in that, described mirror handle comprises expansion link and by-pass cock, one end of described expansion link is positioned in described mirror handle, the other end (free end) stretches out described mirror handle, described image-forming component is fixed on described free end and is electrically connected with described mirror handle, one end of described by-pass cock is arranged at described mirror handle surface, the other end stretches into described mirror handle inside and is connected with described expansion link, by pressing or slide described by-pass cock, control the movement of described expansion link in described mirror handle, described blade is sheathed on described expansion link, and there is different length, by described by-pass cock, control the stroke of described expansion link, make to be positioned at the front end that the blade of different length is pressed close to or contacted to the free-ended image-forming component of described expansion link.
2. video laryngoscope according to claim 1, is characterized in that, described expansion link is made by hard material or made by flexible material, or is connected and makes with one section of flexible material by one section of hard material.
3. video laryngoscope according to claim 1, is characterized in that, described expansion link has a predetermined radian, and the radian of described expansion link and the radian of described blade are adaptive mutually.
4. video laryngoscope according to claim 1, it is characterized in that, described mirror handle comprises lever and secondary signal interface, described secondary signal interface is fixed on described lever, described display has first signal interface, and described first signal interface docks to realize electrical connection with described secondary signal interface.
5. video laryngoscope according to claim 4, it is characterized in that, on described expansion link, be provided with some bayonet sockets, in described lever, be provided with chute, described by-pass cock one end is arranged at described lever surface, the other end is positioned at described lever and has a locating rack, described locating rack offers through hole, and spring is installed, described expansion link is through the through hole of described locating rack, and be arranged in described chute, the elastic force of described spring makes bayonet socket and the described locating rack interlock of described expansion link, when pressing described by-pass cock, described spring is compressed, the bayonet socket of described expansion link is separated with described locating rack, described expansion link moves to after predetermined bayonet socket in described chute, unclamp described by-pass cock, the elastic force of described spring makes bayonet socket predetermined on described expansion link and described locating rack interlock.
6. video laryngoscope according to claim 4, it is characterized in that, in described lever, be provided with slideway, described by-pass cock one end is arranged on described slideway, the other end enters in described lever through described slideway, and be connected and fixed with the described expansion link in described lever, on described slideway and described by-pass cock, be provided with some sawtooth and intermesh, so that described expansion link keeps fixing, described by-pass cock is applied to large thrust, sawtooth slideway on the relatively described slideway of sawtooth on described by-pass cock, and drive described expansion link to move, to regulate the stroke of described expansion link.
7. video laryngoscope according to claim 1, is characterized in that, described by-pass cock is motor switch, regulates the stroke of described expansion link in the mode by electronic.
8. video laryngoscope according to claim 1, is characterized in that, described lever also has spacer, on described blade, has locating hole, and described mirror handle is crossed described spacer with described blade pass and is connected and fixed with coordinating of described locating hole.
9. video laryngoscope according to claim 1, is characterized in that, described blade and described mirror handle by being spirally connected, the mode that is connected of riveted joint or buckle is connected and fixed.
10. video laryngoscope according to claim 1, it is characterized in that, described blade front end has an eyeglass, described blade has different length, described expansion link, by regulating stroke, makes to be positioned at the eyeglass that the blade front end with different length is pressed close to or contacted to the free-ended image-forming component of described expansion link.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420453690.1U CN203987969U (en) | 2014-08-12 | 2014-08-12 | Video laryngoscope |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420453690.1U CN203987969U (en) | 2014-08-12 | 2014-08-12 | Video laryngoscope |
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| CN203987969U true CN203987969U (en) | 2014-12-10 |
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| CN201420453690.1U Active CN203987969U (en) | 2014-08-12 | 2014-08-12 | Video laryngoscope |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105595952A (en) * | 2015-11-12 | 2016-05-25 | 深圳因赛德思医疗科技有限公司 | Video laryngoscope blade adapting device and video laryngoscope |
| WO2017075903A1 (en) * | 2015-11-03 | 2017-05-11 | 舒妮 | Ventilating laryngoscope having disposable laryngoscope lens |
| CN107280629A (en) * | 2017-07-26 | 2017-10-24 | 上海市浦东医院 | A kind of extension type anaesthetic laryngoscope |
| CN109008914A (en) * | 2018-09-20 | 2018-12-18 | 贵州省第三人民医院 | A kind of peephole for ear larynx rhinology inspection |
| CN109350820A (en) * | 2018-11-19 | 2019-02-19 | 温州医科大学附属第二医院、温州医科大学附属育英儿童医院 | Nasal trachea cannula leads core |
| CN110575125A (en) * | 2018-06-11 | 2019-12-17 | 深圳市美好创亿医疗科技有限公司 | Video laryngoscope with replaceable blade |
| CN112603238A (en) * | 2020-11-30 | 2021-04-06 | 青岛中科智能光电产业研究院有限公司 | Portable wireless visual laryngoscope |
| CN112914488A (en) * | 2021-01-21 | 2021-06-08 | 中国人民解放军空军军医大学 | Laryngoscope with adjustable laryngoscope radian |
| CN113229774A (en) * | 2021-04-16 | 2021-08-10 | 上海大学 | Visual laryngoscope system |
| CN117503039A (en) * | 2024-01-08 | 2024-02-06 | 北京大学第三医院（北京大学第三临床医学院） | Arc-shaped electric laryngoscope |
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2014
- 2014-08-12 CN CN201420453690.1U patent/CN203987969U/en active Active
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017075903A1 (en) * | 2015-11-03 | 2017-05-11 | 舒妮 | Ventilating laryngoscope having disposable laryngoscope lens |
| WO2017080192A1 (en) * | 2015-11-12 | 2017-05-18 | 深圳因赛德思医疗科技有限公司 | Video laryngoscope blade fitting device, and video laryngoscope |
| CN105595952B (en) * | 2015-11-12 | 2018-10-19 | 深圳因赛德思医疗科技有限公司 | Video laryngoscope blade adaptive device and video laryngoscope |
| CN105595952A (en) * | 2015-11-12 | 2016-05-25 | 深圳因赛德思医疗科技有限公司 | Video laryngoscope blade adapting device and video laryngoscope |
| CN107280629A (en) * | 2017-07-26 | 2017-10-24 | 上海市浦东医院 | A kind of extension type anaesthetic laryngoscope |
| CN110575125A (en) * | 2018-06-11 | 2019-12-17 | 深圳市美好创亿医疗科技有限公司 | Video laryngoscope with replaceable blade |
| CN109008914A (en) * | 2018-09-20 | 2018-12-18 | 贵州省第三人民医院 | A kind of peephole for ear larynx rhinology inspection |
| CN109350820A (en) * | 2018-11-19 | 2019-02-19 | 温州医科大学附属第二医院、温州医科大学附属育英儿童医院 | Nasal trachea cannula leads core |
| CN112603238A (en) * | 2020-11-30 | 2021-04-06 | 青岛中科智能光电产业研究院有限公司 | Portable wireless visual laryngoscope |
| CN112914488A (en) * | 2021-01-21 | 2021-06-08 | 中国人民解放军空军军医大学 | Laryngoscope with adjustable laryngoscope radian |
| CN112914488B (en) * | 2021-01-21 | 2023-04-11 | 中国人民解放军空军军医大学 | Laryngoscope with adjustable laryngoscope radian |
| CN113229774A (en) * | 2021-04-16 | 2021-08-10 | 上海大学 | Visual laryngoscope system |
| CN117503039A (en) * | 2024-01-08 | 2024-02-06 | 北京大学第三医院（北京大学第三临床医学院） | Arc-shaped electric laryngoscope |
| CN117503039B (en) * | 2024-01-08 | 2024-04-12 | 北京大学第三医院（北京大学第三临床医学院） | Arc-shaped electric laryngoscope |
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