CN213430012U - Visual laryngoscope lens, lens assembly and visual laryngoscope for preoperative evaluation - Google Patents
Visual laryngoscope lens, lens assembly and visual laryngoscope for preoperative evaluation Download PDFInfo
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- CN213430012U CN213430012U CN202020379795.2U CN202020379795U CN213430012U CN 213430012 U CN213430012 U CN 213430012U CN 202020379795 U CN202020379795 U CN 202020379795U CN 213430012 U CN213430012 U CN 213430012U
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Abstract
The utility model provides a visual laryngoscope lens, laryngoscope lens subassembly and visual laryngoscope for aassessment before art, the crooked radian alpha of this lens are 0.3rad to 0.4rad, the laryngoscope lens have a body and set up on the body and compare in the tongue depressor that the body stretches out forward, the tangent line of lens body is 30 ~33 for the central axis downward sloping of mirror handle. The utility model provides a disposable laryngoscope lens's crooked radian is gentler than current laryngoscope lens for the patient can accept the inspection under the state of position of sitting and confirm that the laryngoscope shows the grade.
Description
Technical Field
The utility model belongs to visual medical instrument field, concretely relates to a visual laryngoscope lens, lens subassembly and visual laryngoscope for aassessment before art.
Background
The trachea cannula pre-operation evaluation is an important link for the anesthesia pre-operation visit, and the evaluation plays a vital role in institutional anesthesia plan and preparation of cannula equipment. If the assessment is in place, the patient with difficult airway is found in advance before the operation, and sufficient preparation is made, so that the accident of the patient caused by the intubation accident is greatly reduced. A difficult airway refers to a clinical situation in which a patient experiences difficulty with mask ventilation or intubation of the trachea, or both, under the supervision of a regularly trained anesthesiologist. Difficult airways have obvious risk factors, and medical staff can judge whether the difficult airways are the obvious risk factors by observing the surface of a patient, but the difficult airways also have unobvious risk factors which cannot be observed externally. For example, a grade of pharyngeal structure, the modified mallamati grade or "mahi grade", a higher grade of pharyngeal structure indicates a more difficult laryngoscope reveal and grades iii to iv indicate a difficult airway. And the laryngoscope shows the grading, Cormack and Lehane divide into the level four to the difficulty of the laryngoscope show the glottis, and this laryngoscope shows the grading for the glottis grading that direct laryngoscope shows, and III to IV level suggestion intubate is difficult. Regarding pharyngeal structure grading, the airway assessment method widely adopted in clinical practice today is that a patient sits in front of medical care personnel, opens the mouth and stretches the tongue to the maximum extent, and grades others according to the pharyngeal structure that can be seen. With regard to laryngoscope reveal grading, it is necessary for the patient to lie down to facilitate insertion of the laryngoscope, grading according to the observed visualization of the glottis and epiglottis. In summary, the existing method for pre-operation evaluation of endotracheal intubation has the following defects: in the step of judging the difficult airway, the patient can be judged by sitting, and only when the laryngoscope is determined to be exposed and graded, the patient needs to lie down, so that inconvenience is brought to outpatient medical personnel and the patient.
SUMMERY OF THE UTILITY MODEL
To above technical problem, the utility model provides a visual laryngoscope lens for aassessment before art, the crooked radian alpha of this lens is 0.3rad to 0.4 rad.
Preferably, the laryngoscope lens is provided with a tube and a tongue depressor which is arranged on the tube and extends forwards compared with the tube, and the tangent of the lens tube inclines downwards 30-33 degrees relative to the central axis of the lens handle.
Preferably, the tongue depressor extends forwards 15 mm-20 mm compared with the tube body.
Preferably, the radian of the lens is 0.313rad, and a tangent of the lens tube is inclined downward by about 32 ° with respect to the central axis of the handle.
Preferably, the tongue depressor extends forward 18mm compared to the tube.
Based on the laryngoscope lens that provides above, the utility model also provides a laryngoscope lens subassembly, this subassembly of this subassembly includes the laryngoscope lens and sets up and be used for blockking the piece that takes place the virus propagation between doctor and the patient at laryngoscope lens rear end.
Preferably, the blocking member comprises a flap which is integrally or removably fixedly connected to the laryngoscope lens.
Preferably, the tube body comprises an arc-shaped tube section matched with the physiological curvature of the oral cavity and the throat of a human body and a connecting tube section used for connecting the laryngoscope handle, the connecting tube section is detachably connected with the laryngoscope handle, and the baffle is arranged on the connecting tube section.
Preferably, the barrier has a barrier face towards the patient end, the barrier face being dimensioned to occlude at least the oronasal region of the patient.
The utility model also provides a visual laryngoscope, visual laryngoscope includes display, handle, laryngoscope handle and the aforesaid the lens, wherein, the display setting is at the top of handle, and the laryngoscope handle sets up in the bottom of handle just the visual ware is installed to the front end of laryngoscope handle, the lens establish with detachable mode cover on the laryngoscope handle. Visual laryngoscope for preoperative assessment
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model provides a disposable laryngoscope lens's crooked radian is gentler than current laryngoscope lens for the patient can accept the inspection under the state of position of sitting and confirm that the laryngoscope shows the grade.
Furthermore, the utility model provides a shape, angle, data, length of laryngoscope lens all depend on a large amount of clinical examination data, have adapted to human oral cavity structure well, improve the flexibility ratio of operation, reduce patient's discomfort level to make clinical practicality, security, the reliability of tongue depressor show and improve, comfortable patient.
This disposable laryngoscope piece cooperation laryngoscope main part is used, can upload the picture of glottis to the electronic medical record when patient's inspection through this laryngoscope, and the different doctors of being convenient for accurately judge the patient condition.
Drawings
Fig. 1 is a schematic structural view of a visual laryngoscope provided by the invention;
fig. 2 is a schematic view of the visual laryngoscope provided by the utility model;
fig. 3 to 4 are schematic structural views of laryngoscope lenses and D-direction sectional views thereof according to the present invention;
fig. 5 is a schematic structural view of a visual laryngoscope for preoperative evaluation provided by the invention.
Detailed Description
The embodiments of the present invention will be described in detail below, and the embodiments described with reference to the drawings are exemplary and are only used for explaining the present invention, and cannot be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "front", "back", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise specified and limited, the terms "mounted" and "connected" should be interpreted broadly, and may be, for example, mechanically or electrically connected, or interconnected between two elements, directly or indirectly through an intermediate medium, and the specific meanings of the terms may be understood by those skilled in the art according to specific situations.
Example 1
Referring to fig. 4, the present embodiment provides a visual laryngoscope, which comprises a display 1, a handle 2, a laryngoscope handle 3 and the lens assembly of embodiment 1, wherein the display is disposed on the handle for being observed by a doctor, the laryngoscope handle 3 is disposed at the bottom of the handle, a visual device such as a camera is mounted at the front end of the laryngoscope handle for transmitting images in a patient to the display, and the lens 5 is detachably mounted on the laryngoscope handle.
On this basis, the present embodiment provides a visual laryngoscope lens 5 for pre-operative assessment, the lens 5 having a bending radian α of 0.3rad to 0.4 rad.
The laryngoscope lens 5 has a tube 51 and a tongue depressor 52 disposed thereon and projecting forwardly of the tube 51,
preferably, a tangent to the tube body 51 is inclined downward by 30 ° to 33 ° with respect to the central axis of the scope handle 3.
Further, the tongue depressor 52 extends forwards 15 mm-20 mm compared with the tube body 51.
In this embodiment, the lens 5 has a radius of 223mm, an arc length of 70mm (0.314 rad), and a tangent to the tube of the lens is inclined downward about 32 ° relative to the central axis of the handle (31.94 °); the tongue depressor 52 protrudes forward by 18mm compared to the tube body 51.
Can be convenient for outpatient service doctor judges whether the patient is difficult air flue to can shoot glottic picture synchronous transfer to the electronic medical record in, the patient of being convenient for when the different stages of seeing a doctor, the doctor can both accurately judge the patient condition.
The disposable laryngoscope lens provided by the utility model has a more gentle bending radian than the prior laryngoscope lens, so that a patient can receive examination to determine the laryngoscope exposure grade in a sitting posture state; when the patient is subjected to preliminary evaluation and monitoring, the laryngoscope exposure grade can be determined without a special hospital bed; meanwhile, the comfort degree of the patient in the diagnosis and treatment process is improved.
The utility model provides a shape, angle, data, length of laryngoscope lens all depend on a large amount of clinical examination data, have adapted to human oral cavity structure well, improve the flexibility ratio of operation, reduce patient's discomfort level to make clinical practicality, security, the reliability of tongue depressor show and improve, comfortable patient.
This disposable laryngoscope piece cooperation laryngoscope main part is used, can upload the picture of glottis to the electronic medical record when patient's inspection through this laryngoscope, and the different doctors of being convenient for accurately judge the patient condition.
Example 2
The implementation mode is further improved on the basis of the embodiment 1:
referring to fig. 1-2, the visual laryngoscope comprises a display 1, a handle 2, a laryngoscope handle 3 and a lens 5, wherein the display 1 and the laryngoscope handle 3 are arranged on the handle 2, a visual device such as a camera 31 is arranged at the front end of the laryngoscope handle 3, and the lens 5 is detachably sleeved on the laryngoscope handle 5;
referring to fig. 4, the lens 5 includes a tube body 51 for being sleeved on the laryngoscope handle and a tongue depressor 52 which is arranged on the tube body 51 and extends forward relative to the front end of the tube body 51, the tube body 51 includes an arc-shaped tube section 511 adapted to the physiological curvature of the oral cavity and the throat of a human body and a connecting tube section 512 for connecting the laryngoscope handle 3, and the connecting tube section 512 is detachably connected and matched with the laryngoscope handle 3 in a snap connection mode and the like;
based on the above visual laryngoscope, please refer to fig. 1-2 again, the present embodiment provides an improved laryngoscope lens assembly, which comprises a laryngoscope lens 5 and a blocking piece 6 disposed at the rear end of the laryngoscope lens 5 for blocking the virus transmission between the doctor and the patient as shown in the figure.
The laryngoscope lens assembly provided by the embodiment can effectively prevent virus propagation between a doctor and a patient; particularly, when a doctor performs throat swab collection and detection, the laryngoscope lens assembly provided by the utility model can effectively prevent other gas and liquid such as aerosol exhaled by a patient from being transmitted to the doctor, thereby remarkably reducing the infection rate of the doctor in diagnosis and treatment of viral infection diseases; while also avoiding the spread of the doctor towards the patient.
For high and the inconvenient scheduling problem of doctor wear of cost such as protective clothing, the utility model provides a laryngoscope lens subassembly can provide preliminary isolation measure at the detection initial stage, with low costs and convenient to use, and the convenience increases popularization and application clinically.
The arrangement form and the position of the blocking member 6 can be changed in various ways; in some embodiments, the blocking member 6 is integrally connected to the rear end of the laryngoscope lens 5, i.e. the blocking member 6 and the laryngoscope lens 5 cannot be separated, and are used singly by a doctor; in some preferred embodiments, the blocking member is fixedly connected with the laryngoscope lens in a removable way, and the accommodating space is obviously reduced; meanwhile, under the condition of no risk of virus infection, a doctor can only use the laryngoscope lens without using a blocking piece; in some embodiments, the blocking member 6 is in a limit fit with the laryngoscope lens 5, such as a snap fit, a male-female fit, or the like; referring to fig. 3-4, in one embodiment, the blocking member is a baffle 6, the baffle is between the doctor and the patient, the baffle has a blocking surface facing the patient end, and the blocking surface is designed to at least block the nose and mouth of the patient; thus, other gas and liquid such as aerosol exhaled by the mouth and the nose of the patient can be effectively blocked inside the baffle plate, wherein the inside refers to the inner side and the outer side relative to a doctor.
As mentioned above, referring to fig. 3, the lens 5 includes a tube 51 for being sleeved on the laryngoscope handle and a tongue depressor 52 disposed on the tube 51 and extending forward relative to the front end of the tube, the tube includes an arc-shaped tube section 511 adapted to the physiological curvature of the oral cavity and throat of a human body and a connecting tube section 512 for connecting the laryngoscope handle, the connecting tube section 512 is detachably connected with the laryngoscope handle; specifically, the baffle 6 is disposed on the connecting pipe section 512, thus serving to block the spread of viruses while not obstructing the visualization and tongue depressing operations; in some embodiments, the baffle 6 is removably sleeved on the connecting section of the pipe body; specifically, the baffle 6 is provided with a mounting hole 61 for the baffle 6 to be sleeved on the outer wall of the connecting pipe section 512, so that the baffle can be in close fit to avoid falling off; preferably, the baffle 6 is provided with a mounting hole 61 which extends forwards from the plane of the baffle to form a longitudinally extending cylindrical thin wall 610, and the longitudinally extending mounting hole 61 can improve the matching strength of the baffle and the connecting pipe section.
In some preferred embodiments, referring to fig. 2 and fig. 4, a limiting groove 611 is formed on an inner wall of the mounting hole 61, and the connecting pipe section is provided with a corresponding limiting protrusion (not shown), so that when the mounting hole 61 is sleeved on the connecting pipe section 512, the limiting protrusion is clamped into the limiting groove 611 to realize limiting fit between the mounting hole and the connecting pipe section, and thus, the baffle can be prevented from sliding off the lens or rotating and displacing while being conveniently taken and placed; when the laryngoscope lens is actually used, the tube body of the laryngoscope lens and the tongue depressor penetrate through the baffle mounting hole, and the limiting bulge on the tongue depressor is in limiting fit with the limiting groove of the connecting tube section; therefore, the baffle can be stably sleeved on the connecting pipe section, and the connecting pipe section is prevented from sliding off from the laryngoscope lens; in this embodiment, referring to fig. 3, a stopper 5122 is formed at the head end of the connecting pipe section 512, and when the baffle is sleeved on the connecting pipe section, the stopper 5122 is stopped at the rear side of the baffle, so that the baffle 6 is further prevented from moving towards the display, and the stability of the baffle is further improved.
In this embodiment, as shown in fig. 4, the connection pipe section 512 is a tapered pipe, the tapered pipe is disposed at the rear side of the arc pipe section 511 and integrally connected with the arc pipe section 511, and the inner wall of the installation hole is tightly attached to the tapered pipe, wherein a buckle 5121 connected with a latch of the laryngoscope handle is disposed at the inner side of the tapered pipe 512, and a limiting protrusion is disposed on the outer wall of the tapered pipe and is in limiting fit with a limiting groove on the installation hole, so that the baffle is tightly attached to the tapered pipe, and the baffle is fixed while the defect of virus propagation caused by a gap formed between the installation hole and the connection pipe section is avoided.
Further preferably, the baffle 6 is disposed substantially vertically with respect to the connecting pipe section 512, where the substantially vertical disposition includes a vertical disposition and a deviation from the vertical direction of not more than about 20 °; at this time, if the included angle between the baffle 6 and the laryngoscope lens 5 close to the doctor is too large, the face of the patient is easily pressed and uncomfortable, and the doctor is difficult to perform other operations; if the included angle is too small, the virus transmission cannot be effectively blocked. Therefore, clinical tests show that when the blocking piece and the connecting section of the laryngoscope lens are basically vertically arranged, the effect of blocking viruses can be achieved while the operation of a doctor is not hindered.
In addition, as shown in fig. 3, the baffle plate 6 provided in this embodiment has a main plate body 61 and a sub-plate body 62, wherein the sub-plate body 62 extends downward along the middle section of the main plate body 61, so that a space a for collecting operation of a doctor is left between the main plate body 61 and the sub-plate body 62; thus, if the size of the whole baffle is large, the doctor is difficult to effectively collect body fluid due to the blocking of the baffle 6; therefore, as shown in the figure, the whole baffle is arranged in an approximately inverted convex shape, and the vacant area at the side of the auxiliary plate body is used for the collection instrument to carry out collection operation; it will be appreciated that the main plate is positioned to correspond to the oronasal region of the patient as a primary active surface and the secondary plate corresponds to the position of the mandible below the oronasal region of the patient, so that a reduction in size of the secondary plate compared to the main plate does not impair the blocking effect of the virus. In this embodiment, the transition department of the main plate body 61 and the auxiliary plate body 62 adopts the arc transition 63, avoids adopting the right angle transition to cause the hand cutting phenomenon, further improves the comfort level of doctor's operation.
Specifically, baffle 6 adopt transparent material preparation to form, the process of aspect doctor's visit into patient's oral cavity is observed through this baffle, avoids blind insertion.
Due to the influence of virus infection, the laryngoscope lens 5 provided by the embodiment is a disposable product, and cross infection is effectively avoided.
The shape, angle, data, length of this lens all depend on a large amount of clinical testing data, have adapted to human oral cavity structure well, improve the flexibility ratio of operation, reduce patient's discomfort degree to make clinical practicality, security, the reliability of tongue depressor obtain showing and improving, comfortable patient, in addition, the baffle of increase has protected medical personnel.
Claims (9)
1. A visual laryngoscope lens for pre-operative assessment, wherein the lens has a bending radian a of from 0.3rad to 0.4 rad; the laryngoscope lens is provided with a tube body and a tongue depressor which is arranged on the tube body and extends forwards compared with the tube body, and the tangent line of the tube body inclines downwards 30-33 degrees relative to the central axis of the lens handle.
2. A visual laryngoscope lens as claimed in claim 1, wherein the tongue depressor projects forwardly by 15mm to 20mm compared to the barrel.
3. A laryngoscope lens according to claim 1, wherein the arc of the lens is 0.313rad and the tangent to the barrel is inclined downwardly by 32 ° to the central axis of the handle.
4. A laryngoscope lens according to claim 2, wherein the tongue depressor projects forwardly by 18mm compared to the barrel.
5. A laryngoscope lens assembly, wherein the assembly comprises a laryngoscope lens as claimed in any one of claims 1 to 4 and a blocking member arranged at the rear end of the laryngoscope lens to block the transmission of viruses between a doctor and a patient.
6. The laryngoscope lens assembly as recited in claim 5, wherein the blocking member comprises a bezel that is integrally or removably secured to the laryngoscope lens.
7. The laryngoscope lens assembly as recited in claim 6, wherein the barrel includes an arcuate tube section adapted to accommodate the physiological curvature of the oral cavity and throat of the human body and a connector section for connection to the laryngoscope handle, the connector section being removably connectable to the laryngoscope handle, and the baffle being disposed on the connector section.
8. The laryngoscope lens assembly as recited in claim 5, wherein the blocking member has a blocking surface towards the patient end that is dimensioned to occlude at least the oronasal region of the patient.
9. A visual laryngoscope, characterized in that, visual laryngoscope includes display, handle, laryngoscope handle and any one claim 1 ~ 4 visual laryngoscope lens for aassessment before art, wherein, the display sets up at the top of handle, and the laryngoscope handle sets up in the bottom of handle just the visual ware is installed to the front end of laryngoscope handle, the lens establish with detachable mode cover on the laryngoscope handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020379795.2U CN213430012U (en) | 2020-03-23 | 2020-03-23 | Visual laryngoscope lens, lens assembly and visual laryngoscope for preoperative evaluation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020379795.2U CN213430012U (en) | 2020-03-23 | 2020-03-23 | Visual laryngoscope lens, lens assembly and visual laryngoscope for preoperative evaluation |
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| CN213430012U true CN213430012U (en) | 2021-06-15 |
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| CN202020379795.2U Active CN213430012U (en) | 2020-03-23 | 2020-03-23 | Visual laryngoscope lens, lens assembly and visual laryngoscope for preoperative evaluation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111870216A (en) * | 2020-03-23 | 2020-11-03 | 浙江优亿医疗器械有限公司 | Visual laryngoscope lens, lens subassembly and visual laryngoscope |
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2020
- 2020-03-23 CN CN202020379795.2U patent/CN213430012U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111870216A (en) * | 2020-03-23 | 2020-11-03 | 浙江优亿医疗器械有限公司 | Visual laryngoscope lens, lens subassembly and visual laryngoscope |
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