CN208678103U - A kind of improved visual laryngeal mask and visual laryngeal mask system - Google Patents
A kind of improved visual laryngeal mask and visual laryngeal mask system Download PDFInfo
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- CN208678103U CN208678103U CN201820218282.6U CN201820218282U CN208678103U CN 208678103 U CN208678103 U CN 208678103U CN 201820218282 U CN201820218282 U CN 201820218282U CN 208678103 U CN208678103 U CN 208678103U
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- 230000000007 visual effect Effects 0.000 title claims abstract description 48
- 238000004140 cleaning Methods 0.000 claims abstract description 63
- 210000002409 epiglottis Anatomy 0.000 claims abstract description 12
- 230000000903 blocking effect Effects 0.000 claims abstract description 4
- 238000009423 ventilation Methods 0.000 claims abstract description 3
- 230000007704 transition Effects 0.000 claims description 6
- 230000007306 turnover Effects 0.000 claims description 3
- 210000000867 larynx Anatomy 0.000 claims description 2
- 230000000873 masking effect Effects 0.000 abstract description 2
- 210000004704 glottis Anatomy 0.000 description 13
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 238000002627 tracheal intubation Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000003384 imaging method Methods 0.000 description 3
- 210000001519 tissue Anatomy 0.000 description 3
- 238000013022 venting Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000012780 transparent material Substances 0.000 description 2
- 101100269850 Caenorhabditis elegans mask-1 gene Proteins 0.000 description 1
- 102000002322 Egg Proteins Human genes 0.000 description 1
- 108010000912 Egg Proteins Proteins 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 210000003484 anatomy Anatomy 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 239000012459 cleaning agent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012067 mathematical method Methods 0.000 description 1
- 210000004681 ovum Anatomy 0.000 description 1
- 230000001766 physiological effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
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Abstract
The utility model provides a kind of improved visual laryngeal mask, which includes snorkel, and the end of snorkel is equipped with fixing seat fixing seat and is equipped with air bag, and has a pit in fixing seat, offers gas port on the pit；The ventilation inside pipe wall longitudinally extends camera shooting chamber and cleaning passage, the camera shooting is intracavitary to set photographic device, the camera shooting chamber and cleaning passage are forward extended out relative to gas port, and to form a block for preventing epiglottis from blocking photographic device, the cleaning passage is equipped with the cleaning spout towards photographic device.Stop the visual field of epiglottis tissue masking camera, field of view is clear.
Description
Technical field
The utility model belongs to medical instruments field, and in particular to a kind of improvement visual laryngeal mask.
Background technique
Visual laryngeal mask is a kind of endotracheal intubation technology and the system for carrying out airway management, and the feature of visual laryngeal mask maximum is just
It is that visible system is set on the basis of original common laryngeal mask, makes it can be to after laryngeal mask process, merging and trachea cannula is set
Enter process to be observed, monitored in real time, to improve operator using the convenience of laryngeal mask and promote successful intubation；It reduces and suffers from
Anoxic in person's intubation, the risks such as Airway damage.
Existing visual laryngeal mask observing effect is bad, classically such as visual laryngeal mask Ctrach system, in another example, the applicant
Patent application CN206167560 disclose a kind of visual laryngeal mask, including hollow snorkel and air bag, wherein the venting cavity
Inserting end inner wall is equipped with camera at the position of air bag, while cleaning passage is arranged in the side of camera, for rinsing
The sundries that camera is stained in surgical procedure, wherein the airway open of camera and visual laryngeal mask is substantially flush, in actual behaviour
To make, product is inserted into during throat, and epiglottis can keep off the region on air passage outlet periphery, while inevitably block camera,
Cause camera that can not see glottis, observation failure cannot achieve visualization truly.Cleaning passage direction is taken the photograph simultaneously
As the setting direction of head, it is difficult to wash the sundries of camera completely.How using camera optimal visual effect is reached, together
When the structure designed be more in line with human body throat structures, will not therefore increase the treatment pain of sufferer, guarantee the use of intubation
Effect, it has also become generally acknowledged problem.
Utility model content
In order to which the visual effect for solving visual laryngeal mask in the prior art is bad, and structure design coarse is adapted to physiological structure
Spend not high problem；The utility model provides a kind of improved visual laryngeal mask, which includes snorkel, and the end of snorkel is set
There is fixing seat fixing seat to be equipped with air bag, and there is pit in fixing seat, offers gas port on the pit；The snorkel
Inner wall longitudinally extends camera shooting chamber and cleaning passage, and the camera shooting is intracavitary to set photographic device, and the camera shooting chamber and cleaning passage are opposite
It is forward extended out in gas port, to form a block for preventing epiglottis from blocking photographic device, the cleaning passage is equipped with direction and takes the photograph
As the cleaning spout of device.
Preferably, the block protrudes from 1~10mm of gas port, the end of block is recessed recess, and camera shooting chamber is opened
Mouth is located at the low-lying place of recess, so that the periphery composition rib of camera shooting chamber opening.
It is provided independently from preferably, the cleaning passage is spaced laterally apart with camera shooting chamber, cleaning passage end direction
Photographic device bends 30 °~90 °, to form the cleaning spout for rinsing photographic device.
Preferably, the block protrudes from 3~5mm of gas port.
Preferably, the longitudinally disposed at least two rows of cleaning spouts in the end of the cleaning passage, every row clean spout and include
It is substantially flush towards the vertical cleaning spout and inclination cleaning spout, the vertical cleaning spout of photographic device with photographic device,
The inclination cleaning spout is located at the front side of photographic device, and is 50 °~75 ° with the turning of cleaning passage.
Preferably, the block includes main part and front end, the main part has cylindrical outer surface, before described
End includes the first arc surface and the second arc surface, and the first arc surface and the second arc surface arc transition join, and in their friendships
It meets place and forms turnover.
Preferably, the photographic device be camera, the camera slightly protrude from camera shooting chamber opening, or with camera shooting chamber
Opening flushes；The camera shooting cephalic par is equipped with light source.
Preferably, the block is located in the pit of fixing seat.
Preferably, the camera shooting cephalic par is additionally provided with LED light, and the camera is coated using transparent material.
Another purpose of the utility model is to provide a kind of visual laryngeal mask system, including visual larynx described above
Cover and display device.
Compared with prior art, the utility model has the following beneficial effects:
1. visual laryngeal mask provided by the utility model is by being arranged in the position protruded with air passage outlet, camera shooting for camera
Head indent, such block stop the visual field of epiglottis tissue masking camera, and field of view is clear.
2. cleaning hole is designed to shape vertical or inclined with cleaning passage, camera can be completely covered in cleaning agent
The position for needing to clean, visual effect optimize；
3. block provided by the utility model has cylindricality outer peripheral surface, and end is arc-shaped transition, with human body bottleneck throat
Anatomical structure adaptation it is good, physiological tissue will not be scratched.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of visual laryngeal mask provided by the utility model；
Fig. 2 is the schematic diagram of visual laryngeal mask inserting end provided by the utility model；
Fig. 3 is the structural schematic diagram of block provided by the utility model；
Fig. 4 is the sectional view of photographic device provided by the utility model and cleaning passage；
Fig. 5-6 is the field of view schematic diagram of visual laryngeal mask provided by the utility model.
Specific embodiment
The improved visual laryngeal mask 1 of embodiment 1
As shown in Figure 1, the laryngeal mask includes snorkel 6, the inserting end end of snorkel 6 is equipped with air bag 2, and air bag is substantially in ovum
Annular, air bag 2 are fixed on the fixing seat 63 of the formation of 6 end of snorkel, form pit in fixing seat 63, offer on pit
Gas port 61；Snorkel 6 enters air flue by gas port, and ventilation inside pipe wall is longitudinally extended with camera shooting chamber and cleaning passage, camera shooting
Chamber built-in camera 4, images chamber and cleaning passage gas port continues to forward extend out, and the block of a protrusion is integrally formed at this time
62, i.e., relative to gas port, the plane at place in fixing seat is protrusion to block 62, in this way, block 62 can be by physiological tissue
Resistance is pushed away in other regions, epiglottis is avoided to block camera 4.And the peripheral edge margin for imaging the end of chamber opening and cleaning passage is constituted
The front end 621 of block 62, front end 621 are recessed recess to camera shooting chamber opening direction, in this way, camera shooting chamber open end
In the low-lying place of recess, the peripheral part (peripheral portion that could also say that block end) for imaging chamber opening constitutes a class
Like the effect of rib, physiological tissue is blocked in other regions other than block by rib；Preferably, the inventor of the utility model
It was found that being protrusion relative to plane where gas port periphery, but keeping off when block 62 protrudes from 61 1~10mm of gas port
Block is still in the pit of air bag fixing seat 63.While the visual effect being optimal, it can prevent epiglottis from blocking and take the photograph
As head.As optimal embodiment, about according to adult's glottis size are as follows: 21 ± 4mm, tracheae size is about are as follows: 17 ± 2mm；
According in laryngeal mask use process, the relative positional relationship of glottis and laryngeal mask primarily determines that camera observation should need the model of observation
It encloses so that image is the most clear；By to glottis size and laryngeal mask dimension analysis, in conjunction with laryngeal mask and glottis correlative positional relation；Really
Camera image collecting direction is determined, when the protrusion of block 62 is with 61 3~5mm of gas port, it can be seen that the sound of complete display the most
Door.
It wherein, can be neat with camera shooting chamber open end as shown in figure 3, camera 4 can slightly protrude from camera shooting chamber opening
It is flat, but it is still within the low-lying place of block end recess, the shape of block can make a variety of variations, such as block whole similar one
A flat ball shape, the block contour smoothing of flat ball shape at this time, not sharp edge, compared to triangle or other have
The block of sharp bevel edge will not enable in operating process patient generate uncomfortable feeling, in another example being divided into block along length side
Main part 622 and front end 621 to extension, main part is cylindrical, and the partial sidewall in the cylindrical bodies portion and laryngeal mask
Wall surface is connected as one and (extends out since block inherently images chamber in snorkel side wall), and the side adjacent with gas port
Wall surface is cylindrical；And front end includes two the first semicircle faces 6211 and the second semicircle face 6212 being connected as one,
And first semicircle face 6211 and the second semicircle face 6212 be not flat surface, in the cambered surface of gradually indent；First is semicircle
Face 6211 and the second 6212 junction arc transition of semicircle face, and there is turnover 6213, i.e. the first semicircle in handover transition position
Shape face 6211 and the second semicircle face 6212 have angle, such as 90 ° approximate, therefore are joining 6213 cup depth of bending place most
It is deep, also join in arc transition between side section in face of the pit of the second semicircle face and mounting base 63, the research and development of the structure are more
It is bonded the anatomical structure of adult bottleneck throat, will not make us generating discomfort, conducive to the application of universal visual laryngeal mask.It is most important, by
In the physiological property of epiglottis tissue, the flange (rib) of the block of the structure and periphery formation can be such that epiglottis squeezes to side,
Or the outlet of epiglottis tissue has been blocked, the visual field for eliminating visual device in former patent application CN 206167560B is blocked
Defect；；Since camera is in the low-lying place of recess, it is not easy to be stained with sundries, effectively reduce cleaning procedure.
In addition, as shown in Fig. 2, cleaning passage is equipped with the cleaning spout 13 towards camera；In order to guarantee to clean spout 13
Opposite camera 4, cleaning spout 13 is slightly above camera 4, or flushes with camera 4, and the cleaning spout is directed at camera
Jet cleaner.
In addition, camera front end be equipped with LED light, the camera be installed in camera shooting it is intracavitary, there are many modes of fastening, packet
It includes but is not limited to be bonded, screw is fixed or the modes such as clamping, in addition images chamber open end and is closed using transparent material.The gas
Capsule 5 is connected with gas tube 3, indicates sacculus 2 and charge valve 1；6 front end of snorkel is equipped with connector 7, the camera connection
There are data line 9 and data connector 11, the data connector is connect with display device, forms visual laryngeal mask system, and the cleaning is logical
Road is connected with flushing pipe 8 and flush-through connection 10.By charge valve 1 to air bag 5 be filled with gas make to be formed around patient airway mouth it is close
Envelope, raised block 62 can block the visual field of camera to avoid epiglottis.
The improved visual laryngeal mask 2 of embodiment 2
As shown in figure 4, visual laryngeal mask provided by the utility model, the longitudinally disposed at least two rows of courts in the end of cleaning passage 12
To the cleaning spout of camera, the position for cleaning spout relative to camera has great influence for cleaning effect, such as former
It is vertical cleaning spout that spout is cleaned in earlier application, that is, cleaning spout and cleaning passage or imaging the angle of chamber is 90 °,
It is difficult to clean off clean.The utility model inventors have found that in the two rows of cleaning spouts being equipped with, every row clean spout by with camera shooting
The vertical cleaning spout 131 that head is substantially flush, and slightly protrude from the inclination cleaning spout 132 of 3 longitudinal arrangements of camera
Composition (refers to Fig. 4), and cleaning effect significantly improves at this time.Preferably, in a specific embodiment of the utility model, incline
Tiltedly the turning of cleaning spout 132 and cleaning passage 12 is 50 °~75 °, i.e. the end of cleaning passage 12 bends 50 °~75 ° formation
Constitute inclined cleaning spout 132 with the passage aisle that be connected to of camera shooting chamber, vertically cleaning spout 132 and inclination are cleaned and are sprayed at this time
132 resultant force of mouth is responsible for the side wall and positive sundries of camera 4, the sundries on camera can all be removed completely, be avoided
The cleaning spout of original design cleans halfway phenomenon and occurs.
The field of view of the visual laryngeal mask provided by the utility model of embodiment 3
In order to preferably help to understand how to determine extension position, and the visual field being optimal.Mainly probe into camera shooting
Positional relationship influence to visual laryngeal mask entirety visual effect of the head relative to laryngeal mask passes through during clinical use functional point
Analysis, with mathematical method, finds the optimum position of observation；Specifically comprise the following steps:
1) according to glottis and laryngeal mask relative positional relationship；The glottis image range observed needed for determining；Visually it is in laryngeal mask
System needs to observe glottis position entirely as far as possible, about according to adult's glottis size are as follows: 21 ± 4mm, tracheae size is about are as follows: 17 ±
2mm；According in laryngeal mask use process, the relative positional relationship of glottis and laryngeal mask primarily determines camera as shown in Figure 4 and Figure 5
Observation should need the range image of observation the most clear；By to glottis size and laryngeal mask dimension analysis, in conjunction with laryngeal mask and glottis
Correlative positional relation；Determine camera image collecting direction, which can be seen the most completely, clearly by the direction
Glottis.
2) space coordinate of the camera camera shooting end with respect to the significant structure of laryngeal mask is found；The camera obtained according to step 2)
Collecting direction, it is counter to push away camera position, it can primarily determine that camera images end center,；According to common camera shooting area of bed
Size tentatively can determine the positional relationship of camera installation site and laryngeal mask itself, in conjunction with related mathematical analysis, finally obtain with
Following expression formula；
Camera final position (center point coordinate A):
x1=(r+R+l1)cosθ
y1=0
z1=(r+R+l1)sinθ
Camera start position (center point coordinate B):
x2=-l2cosα(cosβ+cosγ)
y2=-l2cosβ(cosα+cosγ)
z2=-l2cosγ(cosβ+cosα)
Using air passage outlet center as coordinate origin, uptake ventilator exit end face axis is Y-axis, and horizontal direction is X-axis, is erected
Histogram is to for Z axis: (as shown below；
Point A is camera terminal end face central point, and coordinate is (x1, y1, z1)；
R: observation channel radius；
R: snorkel venting channels radius；
l1: observation channel and the venting channels edge shortest distance；Usually > 2mm
α: the angle of camera center line and coordinate plane X-Y；
β: the angle of camera center line and coordinate plane Y-Z；
γ: the angle of camera center line and coordinate plane Z-X；
l2: camera position length and camera rigid length；
3) camera terminals space coordinate is calculated --- determine the relative positional relationship of camera system and laryngeal mask.
According to common camera size, camera insertion channel traces and size tentatively can determine, in conjunction with dependency number
Credit analysis, finally obtains following parameter list 1.
Table 1
Using laryngeal mask snorkel and air bag middle section junction laryngeal mask observation channel center as origin, by putting describe three above
Dimension space curve is laryngeal mask observation channel traces curve.
The result shows that the laryngeal mask provides optimal field of view.
Claims (9)
1. a kind of improved visual laryngeal mask, which includes snorkel (6), and the end of snorkel (6) is equipped with fixing seat (63), Gu
Reservation is equipped with air bag (2), and has pit in fixing seat (63), offers gas port (61) on the pit；The ventilation
Inside pipe wall longitudinally extends camera shooting chamber and cleaning passage, and the camera shooting is intracavitary to set photographic device (4), it is characterised in that: the camera shooting
Chamber and cleaning passage are forward extended out relative to gas port (61), to form a block for preventing epiglottis from blocking photographic device
(62), the cleaning passage is equipped with the cleaning spout (13) towards photographic device (4).
2. improved visual laryngeal mask according to claim 1, wherein the block (62) protrude from gas port (61) 1~
10mm, the front end (621) of block (62) are recessed recess, and camera shooting chamber opening is located at the low-lying place of recess.
3. improved visual laryngeal mask according to claim 1, wherein the cleaning passage and camera shooting chamber are spaced laterally apart independence
Ground setting, cleaning passage (12) end bend 30 °~90 ° towards photographic device (4), to be formed for rinsing photographic device
Cleaning spout (13).
4. improved visual laryngeal mask according to claim 1, wherein the block (62) protrude from gas port (61) 3~
5mm。
5. improved visual laryngeal mask according to claim 4, wherein the end of the cleaning passage longitudinally disposed at least two
Row's cleaning spout, it includes vertical cleaning spout (131) and the inclination cleaning spout towards photographic device that every row, which cleans spout,
(132), the vertical cleaning spout (131) is substantially flush with photographic device (4), and inclination cleaning spout (132), which is located at, takes the photograph
It is 50 °~75 ° as the front side of device (4), and with the turning of cleaning passage (12).
6. improved visual laryngeal mask according to claim 1, wherein the block includes main part (622) and front end
Portion (621), the main part (622) have cylindrical outer surface, and the front end (621) includes the first arc surface (6211) and the
Two arc surfaces (6212), the first arc surface (6211) and the handover of the second arc surface (6212) arc transition, and in their junctions
Form turnover (6213).
7. improved visual laryngeal mask according to claim 1, wherein the photographic device is camera, the camera
Camera shooting chamber opening is slightly protruded from, or is flushed with camera shooting chamber opening；The camera shooting cephalic par is equipped with light source.
8. improved visual laryngeal mask according to claim 7, wherein the block is located in the pit of fixing seat.
9. a kind of visual laryngeal mask system, it is characterised in that: the system comprises visual larynxs described in claim 1-7 any one
Cover and display device.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820218282.6U CN208678103U (en) | 2018-02-07 | 2018-02-07 | A kind of improved visual laryngeal mask and visual laryngeal mask system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820218282.6U CN208678103U (en) | 2018-02-07 | 2018-02-07 | A kind of improved visual laryngeal mask and visual laryngeal mask system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108211062A (en) * | 2018-02-07 | 2018-06-29 | 浙江优亿医疗器械有限公司 | A kind of improved visual laryngeal mask |
| CN110694156A (en) * | 2019-11-12 | 2020-01-17 | 浙江优亿医疗器械有限公司 | Visual laryngeal mask assembly and visual device |
| WO2022257327A1 (en) * | 2021-06-10 | 2022-12-15 | 浙江优亿医疗器械股份有限公司 | Flushable observation device suitable for visual laryngeal mask and visual laryngeal mask |
| CN117731903A (en) * | 2024-02-19 | 2024-03-22 | 首都医科大学附属北京同仁医院 | Visual intelligent intubate formula laryngeal mask and intubate subassembly |
-
2018
- 2018-02-07 CN CN201820218282.6U patent/CN208678103U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108211062A (en) * | 2018-02-07 | 2018-06-29 | 浙江优亿医疗器械有限公司 | A kind of improved visual laryngeal mask |
| CN110694156A (en) * | 2019-11-12 | 2020-01-17 | 浙江优亿医疗器械有限公司 | Visual laryngeal mask assembly and visual device |
| CN110694156B (en) * | 2019-11-12 | 2022-03-15 | 浙江优亿医疗器械股份有限公司 | Visual laryngeal mask assembly and visual device |
| WO2022257327A1 (en) * | 2021-06-10 | 2022-12-15 | 浙江优亿医疗器械股份有限公司 | Flushable observation device suitable for visual laryngeal mask and visual laryngeal mask |
| CN117731903A (en) * | 2024-02-19 | 2024-03-22 | 首都医科大学附属北京同仁医院 | Visual intelligent intubate formula laryngeal mask and intubate subassembly |
| CN117731903B (en) * | 2024-02-19 | 2024-05-07 | 首都医科大学附属北京同仁医院 | Visual intelligent intubate formula laryngeal mask and intubate subassembly |
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Address after: 317317 No.8 Youyi Road, Baita block, Xianju Economic Development Zone, Baita Town, Xianju County, Taizhou City, Zhejiang Province Patentee after: Zhejiang Youyi Medical Equipment Co.,Ltd. Address before: 317317 No.8 Youyi Road, Baita block, Xianju Economic Development Zone, Baita Town, Xianju County, Taizhou City, Zhejiang Province Patentee before: ZHEJIANG UE MEDICAL Corp. |
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| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Xianju Youyi Medical Device Sales Co.,Ltd. Assignor: Zhejiang Youyi Medical Equipment Co.,Ltd. Contract record no.: X2024330000094 Denomination of utility model: An improved visual laryngeal mask and its system Granted publication date: 20190402 License type: Common License Record date: 20240605 |