CN109044254B - Laryngoscope - Google Patents
Laryngoscope Download PDFInfo
- Publication number
- CN109044254B CN109044254B CN201810893058.1A CN201810893058A CN109044254B CN 109044254 B CN109044254 B CN 109044254B CN 201810893058 A CN201810893058 A CN 201810893058A CN 109044254 B CN109044254 B CN 109044254B
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- Prior art keywords
- handle
- tongue
- fixing
- opening device
- operating rod
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- 238000003825 pressing Methods 0.000 claims description 22
- 210000000214 mouth Anatomy 0.000 description 17
- 238000000034 method Methods 0.000 description 4
- 210000002200 mouth mucosa Anatomy 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 210000003128 head Anatomy 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002695 general anesthesia Methods 0.000 description 1
- 210000004283 incisor Anatomy 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000006223 plastic coating Substances 0.000 description 1
- 210000005181 root of the tongue Anatomy 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- 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
- A61B1/24—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 mouth, i.e. stomatoscopes, e.g. with tongue depressors; Instruments for opening or keeping open the mouth
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Heart & Thoracic Surgery (AREA)
- Veterinary Medicine (AREA)
- Biophysics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Optics & Photonics (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Physics & Mathematics (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- Otolaryngology (AREA)
- Physiology (AREA)
- Pulmonology (AREA)
- Dentistry (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Endoscopes (AREA)
Abstract
The invention provides a laryngoscope, which comprises a longitudinal handle provided with a holding end and a functional end, a tongue-and-groove piece and an opening device which are arranged at the functional end, and an operating rod which is arranged at the holding end and used for controlling the opening device; the opening device is an elastic frame formed by connecting a plurality of elastic sheets end to end, the elastic frame is connected with the functional end through a connecting pipe, a traction rope is arranged on the opening device, the traction rope sequentially penetrates through the middle part of the elastic frame and the connecting pipe and is connected with the operating rod, and the stretching or loosening of the traction rope is controlled through the operating rod so as to control the opening device to be in a convex state or a flat state. According to the laryngoscope, the operation rod is pressed, so that the operation rod can easily pull the traction rope, the opening device is deformed, the opening degree of a patient is increased, the access of the laryngeal mask is increased, and the probability of success of once placement of the laryngeal mask is improved.
Description
[ Field of technology ]
The invention relates to the technical field of medical instruments, in particular to a laryngoscope.
[ Background Art ]
Because the throat part is deeper and the physiological structure is complex, the throat part can not be directly peeped, and the examination or operation of the throat part needs to be carried out by means of a laryngoscope. Laryngeal masks are widely used in general anesthesia surgery and are an effective means of establishing an artificial airway. Although laryngeal masks are simple to place, it is difficult to reach the desired location or to place the laryngeal mask with bare hands, sometimes requiring repeated manipulation or adjustment.
Factors that fail laryngeal mask placement are primarily related to the restriction of the opening and the blockage of tongue sagging. In the prior art, the laryngeal mask is often assisted by the tongue depressor. The tongue body can be pressed towards the bottom of the mouth by using the tongue pressing piece to assist in laryngeal mask placement, but the opening degree of a patient cannot be effectively increased, and meanwhile, the tongue pressing piece holding part is positioned at the midline position of the oral cavity, so that laryngeal mask placement is difficult. If the tongue-pressing piece pressure is used for one-way, the opening degree of a patient is increased, or the oral mucosa is damaged due to the violent placement of the laryngeal mask.
Therefore, to overcome the above-mentioned drawbacks, it is necessary to provide a laryngoscope that increases the patient's opening and the laryngeal mask insertion channel.
[ Invention ]
The invention aims to provide a laryngoscope with an opening device, which can reasonably increase the opening degree of a patient and increase the laryngeal mask imbedding channel.
In order to achieve the purpose, the invention adopts the following technical scheme:
A laryngoscope comprises a lengthwise handle provided with a holding end and a functional end, a tongue-and-groove piece and an opening device which are arranged at the functional end, and an operating rod which is arranged at the holding end and used for controlling the opening device;
the opening device is an elastic frame formed by connecting a plurality of elastic sheets end to end, the elastic frame is connected with the functional end through a connecting pipe, a traction rope is arranged on the opening device, the traction rope sequentially penetrates through the middle part of the elastic frame and the connecting pipe and is connected with the operating rod, and the stretching or loosening of the traction rope is controlled through the operating rod so as to control the opening device to be in a convex state or a flat state.
Preferably, the whole handle is rectangular, the functional end is located the tip of handle, opening device with the tongue depressor piece is located respectively two sides adjacent to the functional end, the tongue depressor piece with the lengthwise of handle is perpendicular, the tongue depressor piece pass through tongue depressor piece fixing device with the functional end is connected.
Preferably, the tongue depressor end is provided with a tongue depressor connecting portion, the tongue depressor fixing device comprises a first fixing portion for connecting the tongue depressor connecting portion, and a second fixing portion for connecting the handle, the first fixing portion is in a strip shape, and the first fixing portion comprises a tongue depressor clamping groove which is formed along the longitudinal direction of the first fixing portion and matched with the tongue depressor connecting portion.
Preferably, the second fixing portion is long, one end of the second fixing portion is perpendicularly connected to the side face of the functional end, the other end of the second fixing portion is connected to the first fixing portion, and the second fixing portion includes a fixing clamping groove formed along the longitudinal direction of the second fixing portion, and a fixing rod which is clamped in the fixing clamping groove and can move along the longitudinal direction of the fixing clamping groove.
Preferably, the functional end is provided with a connecting groove matched with the fixing clamping groove and a rod fixing part for fixing the fixing rod, so that the protruding length of the tongue pressing piece fixing device relative to the handle along the direction vertical to the side surface of the handle is adjusted.
Preferably, a light source is arranged on the first fixing part, a power supply is arranged in the handle, and a switch is arranged at the end part of the holding end of the handle to control the light source to be turned on or off.
Preferably, the end part of the connecting pipe is in a sphere shape, and the functional end is provided with a spherical groove so as to realize nested connection of the end part of the connecting pipe and the spherical groove.
Preferably, the opening device is a triangular elastic frame formed by three elastic sheets, and comprises two longitudinal elastic sheets with equal length, wherein the two longitudinal elastic sheets are connected by a hinge, and the included angle is 10-35 degrees.
Preferably, the handle is of an inner hollow structure, the operating rod comprises a first operating rod arranged outside the handle and a second operating rod connected with the first operating rod and arranged inside the handle, and the traction cable passes through the connecting pipe and then is connected to the second operating rod.
Preferably, the handle further comprises a handle fixing plate extending from the inside of the handle to the outside of the handle and penetrating through the handle, and a plurality of clamping positions are arranged on the surface of the handle fixing plate to control the position of the handle.
Compared with the prior art, the invention has the following advantages:
1. the opening device of the laryngoscope is connected with the operating rod through the traction cable, and the stretching or loosening of the traction cable is controlled through the operating rod, so that the opening device is controlled to be in a convex state or a flat state. On the one hand, by pressing the first operating rod outside the handle, the pulling of the second operating rod on the pulling rope can be easily realized due to the lever principle; on the other hand, the opening device is deformed due to the traction of the traction rope, so that the upper molar and the lower molar of a patient are easily opened, namely, the opening degree of the patient is increased, the access of the laryngeal mask is increased, and the resistance of the laryngeal mask during placement is reduced. The front end of the tongue pressing piece is placed into the tongue root part, and the upper handle is used for pressing the tongue body to the bottom of the mouth, so that the damage of the tongue lacing caused by the rolling of the tongue body and the damage of the oral mucosa caused by overlarge force are avoided. The laryngeal mask can be placed in place more easily, the time and the times for placing the laryngeal mask are shortened, the defect of the traditional freehand method is overcome, the probability of success in once placement of the laryngeal mask is improved, and the laryngeal mask placement operation is facilitated.
2. The opening device of the laryngoscope and the position setting mode of the tongue-shaped piece can ensure that the elastic frame is positioned at the left side of a patient when the laryngoscope is used, and the elastic piece is opposite to the direction of upper and lower molar teeth at the left side of the patient, so that the work of the tongue-shaped piece is not hindered, and the handle is positioned at the side of the tongue-shaped piece and does not hinder the middle path for placing the laryngeal mask.
3. Because the sizes of the oral cavities of different patients are different, the protrusion length of the tongue pressing piece fixing device of the laryngoscope relative to the handle is adjustable, and the applicability of the laryngoscope is greatly improved.
4. In the laryngoscope, the nested connection mode of the connecting pipe and the functional end realizes the multi-angle rotation of the mouth gag around the handle, is convenient for the placement and the removal of the mouth gag, and realizes the flexible operation of the laryngoscope.
5. The blade fixing device can be detached from the handle and can be singly used as an opening device.
[ Description of the drawings ]
FIG. 1 is a schematic structural view of an exemplary embodiment of a laryngoscope according to the invention;
FIG. 2 is a schematic view of the structure of the opening device in the laryngoscope of the invention;
FIG. 3 is a side view of an opening device in a laryngoscope according to the invention;
FIG. 4 is a schematic view of the structure of the elastic frame in the laryngoscope of the invention;
FIG. 5 is a schematic view of another exemplary embodiment of a laryngoscope according to the invention;
Fig. 6 is a schematic structural view of another exemplary embodiment of the laryngoscope of the invention.
[ Detailed description ] of the invention
The invention is further described below with reference to the drawings and exemplary embodiments, wherein like reference numerals refer to like parts throughout. Further, if detailed description of the known art is not necessary to illustrate the features of the present invention, it will be omitted.
Referring to fig. 1, a laryngoscope comprises an elongate handle 1 provided with a gripping end 11 and a functional end 12, a tongue depressor 2 and an opening device 4 provided at the functional end 12, and an operating lever 5 provided at the gripping end 11 for controlling the opening device 4;
The opening device 4 is an elastic frame 42 formed by connecting a plurality of elastic sheets 41 end to end, the elastic frame 42 is connected with the functional end 12 through a connecting pipe 43, a traction cable 44 is arranged on the opening device 4, the traction cable 44 sequentially penetrates through the middle part of the elastic frame 42 and the connecting pipe 43 and is connected with the operating rod 5, and the stretching or loosening of the traction cable 44 is controlled through the operating rod 5 so as to control the opening device 4 to be in a convex state or a flat state.
The opening device 4 is a triangular elastic frame 42 formed by three elastic sheets 41, and comprises two long elastic sheets 41 with equal length, wherein the two long elastic sheets 41 are connected by a hinge, and the included angle is 10-35 degrees. Referring to fig. 2-3, the pulling rope 44 starts from the intersection of the two elastic pieces 41 at the top of the elastic frame 42, and the pulling rope 44 extends along the middle of the elastic frame 42, passes through the middle of the elastic pieces 41 at the bottom of the elastic frame 42, and reaches the connection pipe 43. The elastic sheet 41 is preferably a stainless steel sheet, which can be provided with a plastic coating thereon in order to increase the comfort of the patient. In the laryngoscope of the invention, the setting mode of the traction cable 44 can ensure that all the elastic sheets 41 of the elastic frame 42 can be elastically deformed after the traction cable 44 is subjected to traction, and when the elastic frame 42 is deformed to be arc-shaped in combination with fig. 4, the opening degree of a patient can be increased as much as possible, and meanwhile, the device is more attached to the mouth shape of the patient, so that the uncomfortable feeling of the patient is reduced.
Referring again to fig. 3, preferably, in order to adapt to the actual use situation of the opening device 4, the connecting tube 43 is provided with a bent shape, and the arrangement of the bent shape can flexibly adjust the extension length of the opening device 4 relative to the functional end 12. Referring to fig. 5, the end of the connection pipe 43 is formed in a spherical shape, and the functional end 12 is provided with a spherical groove 123 to achieve a nested connection of the end of the connection pipe 43 and the spherical groove 123. The sleeve type connection mode of the connecting pipe 43 and the functional end 12 realizes the multi-angle rotation of the mouth gag around the handle 1, facilitates the placement and the removal of the mouth gag 4 and realizes the flexible operation of the laryngoscope.
Referring to fig. 1 and 5, the handle 1 is in a strip shape, the interior of the handle is hollow, the functional end 12 is disposed at the end of the handle 1, the length of the holding end 11 in the longitudinal direction is at least three fourths of the length of the handle 1, and a transition surface is disposed at the connection position between the longitudinal sides, so as to increase the contact surface of the handle 1, so that the holding is firm. The opening device 4 and the tongue depressor piece 2 are respectively arranged on two adjacent side surfaces of the functional end 12, the tongue depressor piece 2 is in a longitudinal tongue shape, and comprises a tongue depressor piece main body 20 and a tongue depressor piece connecting part 21 arranged at the end part of the tongue depressor piece main body 20 and in a flat shape, the tongue depressor piece main body 20 is provided with two side surfaces, wherein one side surface of the tongue depressor piece 2 attached to the tongue of a patient is provided with transverse lines so as to increase the friction force with the tongue of the patient and realize the fixation of the tongue depressor piece 2. The tongue 2 is connected to the functional end 12 by a tongue fixing device 3, and in one embodiment of the present invention, the tongue fixing device 3 has a long strip shape extending perpendicularly from one side surface of the functional end 12, and the tongue connecting portion 21 is matched with the long strip shape of the tongue fixing device 3, so as to achieve that the longitudinal direction of the tongue 2 is perpendicular to the longitudinal direction of the handle 1. The opening device 4 is arranged on the adjacent side surface of the tongue-shaped piece 2 in the anticlockwise direction, and the opening direction of the elastic frame 42 of the opening device 4 faces the tongue-shaped piece 2, so that when the laryngoscope is used, the elastic frame 42 is positioned on the left side of a patient, the elastic piece 41 faces the direction of upper and lower molar teeth on the left side of the patient, the work of the tongue-shaped piece 2 is not hindered, and the handle 1 is positioned on the side of the tongue-shaped piece 2 and does not hinder the middle path of laryngeal mask placement.
Referring to fig. 5, the tongue-and-groove fixing device 3 includes a first fixing portion 31 for connecting with the tongue-and-groove connecting portion 21, and a second fixing portion 32 for connecting with the handle 1, wherein the first fixing portion 31 is in a strip shape, and the first fixing portion 31 includes a tongue-and-groove 310 opened along a longitudinal direction thereof and matched with the tongue-and-groove connecting portion 21. One end of the second fixing portion 32 is vertically connected to the side surface of the functional end 12, the other end is connected to the first fixing portion 31, the second fixing portion 32 is in a strip shape, and the second fixing portion 32 includes a fixing slot 321 opened along the longitudinal direction thereof, and a fixing rod 322 which is clamped in the fixing slot 321 and can move along the longitudinal direction of the fixing slot 321. Both ends of the fixing rod 322 are fixed in the rod fixing portion 122 in the functional end 12, and by controlling the second fixing portion 32 to enter and exit the connecting groove 121, it is possible to adjust the protruding length of the tongue-and-groove fixing device 3 with respect to the handle 1 in the direction perpendicular to the side surface of the handle 1. The functional end 12 is provided with a connecting groove 121 matched with the fixing clamping groove 321 and a rod fixing part 122 for fixing the fixing rod 322 so as to realize adjustment of the protruding length of the tongue pressing piece fixing device 3 relative to the handle 1 along the direction vertical to the side surface of the handle 1. Because the oral cavity of different patients has different sizes, the protruding length of the control tongue piece fixing device 3 relative to the handle 1 is adjustable, and the applicability of the laryngoscope is greatly improved.
The first fixing portion 31 is provided with a light source 311, a power supply is arranged in the handle 1, and a switch 7 is arranged at the end of the holding end 11 of the handle 1 to control the light source 311 to be turned on or off. By arranging the light sources 311 around the tongue-and-groove 310, the light distribution is uniform when the tongue-and-groove 2 is inserted into the throat of a patient, the visual range is increased, and a foundation is provided for the placement of a subsequent laryngeal mask.
The operation lever 5 includes a first operation lever 51 provided outside the handle 1, and a second operation lever 52 connected to the first operation lever 51 and provided inside the handle 1, wherein the pulling cable 44 is connected to the second operation lever 52 after passing through the connection pipe 43. Specifically, the pulling cable 44 passes through the short elastic piece 41 from between the two elongated elastic pieces 41 in the direction of the connecting tube 43, then passes through the connecting tube 43, and finally is connected to the second operating lever 52 inside the handle 1. By pressing the first operating rod 51 outside the handle 1, the second operating rod 52 can pull the pulling rope 44 due to the lever principle, the pulling rope 44 pulls the elastic frame 42 to deform, and the two longitudinal elastic pieces 41 protrude towards two sides due to deformation, so that the upper and lower molars of a patient can be spread, the oral cavity is widened, and a sufficient channel is provided for the subsequent laryngeal mask placement.
Referring to fig. 6, in another embodiment of the present invention, the laryngoscope further comprises a lever fixing plate 6 extending from the inside of the handle 1 to the outside of the handle 1 and penetrating the lever 5, and the surface of the lever fixing plate 6 is provided with a plurality of detents to control the position of the lever 5. The position of the first operation rod 51 can be fixed through the operation rod fixing plate 6, so that the danger caused by the change of the state of the opening device 4 due to the displacement of the first operation rod 51 in the laryngeal mask placement process is avoided.
The method for placing the laryngeal mask by adopting the laryngoscope comprises the following steps:
guiding the patient to lie on the back, standing on the head side of the patient, and slightly lifting the incisors by the right finger to enable the head of the patient to lean backwards;
After the oral cavity of a patient is opened, the laryngoscope handle 1 is held at the left side, a power supply is started, the opening device 4 is stretched into the oral cavity of the patient, and the opening device is placed between the upper molar and the lower molar at the left side;
Pressing the first operating rod 51 towards the handle 1, the first operating rod 51 pulls the second operating rod 52 so as to indirectly retract the traction cable 44 into the handle 1, the elastic frame 42 is deformed, the elastic piece 41 is in an outward convex state, the upper molar and the lower molar are opened, and the oral cavity is opened;
inserting a tongue pressing piece 2 into the tongue pressing piece clamping groove 310, placing the front end of the tongue pressing piece 2 on the tongue root part, pressing the tongue body towards the bottom of the mouth by the upper handle 1, sliding a right hand suitable laryngeal mask along the upper jaw, and stopping feeding when meeting resistance;
After the laryngeal mask is successfully placed, the first operating rod 51 is loosened, the spring piece of the opening device 4 is restored to a flat state, the tongue-shaped piece 2 is pulled out, the opening device 4 is taken out, and the power supply is turned off.
In the laryngoscope, the tongue-shaped piece 2 can be detachably connected with the handle 1, so that the tongue-shaped piece 2 can be replaced with different models to meet the requirements of patients with different ages and oral sizes. And when the tongue depressor 2 is not installed, the laryngoscope of the invention can also be used as a common mouth gag.
The opening device 4 of the laryngoscope is connected with the operation rod 5 through the traction cable 44, and the stretching or loosening of the traction cable 44 is controlled through the operation rod 5, so that the opening device 4 is controlled to be in a convex state or a flat state. On the one hand, by pressing the first operation lever 51 outside the handle 1, the pulling of the pulling cable 44 by the second operation lever 52 can be easily achieved due to the lever principle; on the other hand, pulling of the pulling cable 44 causes the opening device 4 to deform, so that the upper and lower molars of the patient are easily spread, i.e. the opening degree of the patient is increased, thereby increasing the access of the laryngeal mask and reducing the resistance when the laryngeal mask is placed. The front end of the tongue pressing piece 2 is placed into the tongue root part, and the upper handle 1 presses the tongue body towards the bottom of the mouth, so that the damage of a tongue lace caused by the rolling of the tongue body and the damage of oral mucosa caused by overlarge force can be avoided. The front end of the tongue pressing piece 2 is placed at the root of the tongue, so that the laryngeal mask can be placed in place more easily, the laryngeal mask placement time and times are shortened, the defects of the traditional method are overcome, the probability of success in once placement of the laryngeal mask is improved, and the laryngeal mask operation is facilitated.
Although a few exemplary embodiments of the present invention have been shown above, it will be appreciated by those skilled in the art that changes may be made in these exemplary embodiments without departing from the principles or spirit of the invention, the scope of which is defined in the claims and their equivalents.
Claims (7)
1. The laryngoscope is characterized by comprising a longitudinal handle provided with a holding end and a functional end, a tongue-and-groove piece and an opening device which are arranged at the functional end, and an operating rod which is arranged at the holding end and used for controlling the opening device;
the opening device is an elastic frame formed by connecting a plurality of elastic sheets end to end, the elastic frame is connected with the functional end through a connecting pipe, a traction rope is distributed on the opening device, the traction rope sequentially penetrates through the middle part of the elastic frame and the connecting pipe and is connected with the operating rod, and the stretching or loosening of the traction rope is controlled through the operating rod so as to control the opening device to be in a convex state or a flat state;
The handle is integrally in a strip shape, the functional end is arranged at the end part of the handle, the opening device and the tongue-pressing piece are respectively arranged at two side surfaces adjacent to the functional end, the tongue-pressing piece is perpendicular to the longitudinal direction of the handle, and the tongue-pressing piece is connected with the functional end through a tongue-pressing piece fixing device;
The handle is of an inner hollow structure, the operating rod comprises a first operating rod arranged outside the handle and a second operating rod connected with the first operating rod and arranged inside the handle, and the traction cable passes through the connecting pipe and then is connected to the second operating rod;
The tongue depressor piece end is equipped with tongue depressor piece connecting portion, tongue depressor piece fixing device is including being used for connecting the first fixed part of tongue depressor piece connecting portion, and be used for connecting the second fixed part of handle, first fixed part is rectangular shape, first fixed part include along its lengthwise offer and with tongue depressor piece connecting portion assorted tongue depressor piece draw-in groove.
2. The laryngoscope according to claim 1, wherein the second fixing portion is in a strip shape, one end of the second fixing portion is vertically connected to the side surface of the functional end, the other end of the second fixing portion is connected to the first fixing portion, and the second fixing portion comprises a fixing clamping groove formed along the longitudinal direction of the second fixing portion, and a fixing rod clamped in the fixing clamping groove and capable of moving along the longitudinal direction of the fixing clamping groove.
3. A laryngoscope according to claim 2, wherein the functional end is provided with a connection recess matching the fixing clip groove, and a lever fixing portion for fixing the fixing lever, so as to achieve adjustment of the protruding length of the tongue-and-groove fixing device relative to the handle in a direction perpendicular to the side face of the handle.
4. A laryngoscope according to claim 1, wherein the first fixing portion is provided with a light source, a power source is arranged inside the handle, and a switch is arranged at the end of the holding end of the handle to control the light source to be turned on or off.
5. Laryngoscope according to claim 1, wherein the connection tube end is provided with a rounded sphere and the functional end is provided with a spherical recess to enable a nested connection of the connection tube end with the spherical recess.
6. A laryngoscope according to claim 1, wherein the opening means is a triangular elastic frame comprising three elastic pieces, comprising two elongate elastic pieces of equal length, the two elongate elastic pieces being hinged together at an angle of between 10 ° and 35 °.
7. The laryngoscope as recited in claim 1, and further comprising a lever securing plate extending from the interior of the handle to the exterior of the handle and extending through the lever, the lever securing plate having a surface provided with a plurality of detents to control the lever position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810893058.1A CN109044254B (en) | 2018-08-07 | 2018-08-07 | Laryngoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810893058.1A CN109044254B (en) | 2018-08-07 | 2018-08-07 | Laryngoscope |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109044254A CN109044254A (en) | 2018-12-21 |
| CN109044254B true CN109044254B (en) | 2024-05-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810893058.1A Active CN109044254B (en) | 2018-08-07 | 2018-08-07 | Laryngoscope |
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| CN (1) | CN109044254B (en) |
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| JP5855776B1 (en) * | 2015-01-22 | 2016-02-09 | 永島医科器械株式会社 | Throat larynx mirror |
| CN205729302U (en) * | 2016-04-06 | 2016-11-30 | 重庆金创谷医疗科技有限公司 | A kind of gag matched with gun-type laryngopharyngeal mirror |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080045801A1 (en) * | 2006-08-15 | 2008-02-21 | M.S. Vision Ltd. | Intubation laryngoscope with detachable blades |
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|---|---|---|---|---|
| CN1209044A (en) * | 1996-02-23 | 1999-02-24 | 阿尔科医疗有限公司 | Laryngoscope |
| CN2585622Y (en) * | 2002-12-17 | 2003-11-12 | 李慧军 | Winding supporting laryngoscope |
| FR2870105A1 (en) * | 2004-05-12 | 2005-11-18 | Gilles Ayoun | Laryngoscope for medically examining larynx of patient, has end cover integrated to tongue-depressor blade and presenting length intended to serve as handle for laryngoscope and to completely house elongated box |
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| CN203154514U (en) * | 2013-02-02 | 2013-08-28 | 李�和 | Opened laryngeal mask insertion assistor |
| JP5855776B1 (en) * | 2015-01-22 | 2016-02-09 | 永島医科器械株式会社 | Throat larynx mirror |
| CN205729302U (en) * | 2016-04-06 | 2016-11-30 | 重庆金创谷医疗科技有限公司 | A kind of gag matched with gun-type laryngopharyngeal mirror |
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| CN109044254A (en) | 2018-12-21 |
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