CN219878121U - Quick decompression high flow oxygen supply laryngoscope - Google Patents
Quick decompression high flow oxygen supply laryngoscope Download PDFInfo
- Publication number
- CN219878121U CN219878121U CN202320496450.9U CN202320496450U CN219878121U CN 219878121 U CN219878121 U CN 219878121U CN 202320496450 U CN202320496450 U CN 202320496450U CN 219878121 U CN219878121 U CN 219878121U
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- oxygen
- laryngoscope
- oxygen supply
- pipe
- flow
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 198
- 239000001301 oxygen Substances 0.000 title claims abstract description 198
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 198
- 230000006837 decompression Effects 0.000 title claims abstract description 22
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 2
- 238000002627 tracheal intubation Methods 0.000 abstract description 16
- 210000004072 lung Anatomy 0.000 abstract description 8
- 206010003497 Asphyxia Diseases 0.000 abstract description 5
- 206010021143 Hypoxia Diseases 0.000 abstract description 5
- 230000007954 hypoxia Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 abstract description 2
- 238000009776 industrial production Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000003825 pressing Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 230000001276 controlling effect Effects 0.000 description 3
- 210000004704 glottis Anatomy 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000003111 delayed effect Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 206010002091 Anaesthesia Diseases 0.000 description 1
- 208000002381 Brain Hypoxia Diseases 0.000 description 1
- 208000007204 Brain death Diseases 0.000 description 1
- 208000004756 Respiratory Insufficiency Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000037005 anaesthesia Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 201000004193 respiratory failure Diseases 0.000 description 1
Abstract
The utility model discloses a rapid decompression high-flow oxygen supply laryngoscope which comprises a laryngoscope handle, an extension arm and a disposable high-transparency laryngoscope lens, wherein oxygen supply pipes are arranged in the laryngoscope handle and the extension arm, and an oxygen source pipe communicated with the oxygen supply pipe is arranged on the outer wall of the laryngoscope handle; an oxygen flow limiting device is arranged on the oxygen supply pipe or the oxygen source pipe. The advantages are that: the structure is simple, the manufacturing cost is low, and the standardized batch industrial production is convenient; when in use, the device is easy to operate, convenient and quick, and can be quickly connected with the central oxygen supply for use; limiting the oxygen flow to reduce the pressure of the high-pressure oxygen 400-700kPa of the central oxygen supply to 50-60kPa, wherein the oxygen flow is equal to or greater than 45 liters per minute, and the high-flow oxygen supply can enable the gas flow rate to generate positive airway pressure effect, so that the end-expiratory lung volume of a patient is increased, the lung is re-expanded, the lung compliance is increased, the oxygen is rapidly dispersed in the lung to improve the anoxic state of the patient, and the risk of hypoxia suffocation of the intubation is reduced.
Description
Technical field:
the utility model relates to a rapid decompression high-flow oxygen supply laryngoscope, and belongs to the field of medical appliances.
The background technology is as follows:
the laryngoscope belongs to a tool for exposing glottis when in tracheal intubation, and the patient with respiratory failure oxygen saturation lower than 30 percent has the safety time limit of the tracheal intubation not exceeding 10 seconds, and the rescue success rate is greatly reduced exceeding 10 seconds; oxygen saturation is less than 90% of patients clinically diagnosed with need for an emergency cannula, the safe time limit of the cannula must not exceed 40 seconds, and patients at risk for exceeding 40 seconds cause brain death of the patient exceeding 180 seconds. The medical work is difficult to rapidly complete the intubation, and is the greatest challenge and test for anesthesia emergency doctors. The rapid oxygen supply device is added on the laryngoscope, oxygen is rapidly conveyed into a body in the intubation process, the anaerobic intubation is changed into the aerobic intubation, the safety time limit of the intubation is prolonged, the risk of hypoxia asphyxia of the intubation is reduced, the cerebral hypoxia caused by delayed intubation is prevented, the precious rescue window period is won, and the rapid oxygen supply device has important significance in improving the rescue success rate and reducing the disability rate.
The pressure of oxygen supply to the airway by adults is not more than 50-60kPa; children must not exceed 20-30kPa, and the central oxygen supply pressure of the hospital is 400-700kPa, so if the laryngoscope is directly connected with the central oxygen supply in the hospital, serious airway pressure injury can be caused, and therefore, the oxygen supply laryngoscope is forbidden to use 400-700kPa in connection with the central oxygen supply in the hospital.
If the oxygen supply laryngoscope is connected with the central oxygen supply in a hospital for use, the laryngoscope is firstly connected with the pressure reducing valve, then the pressure of the oxygen supply is regulated by the pressure gauge, the pressure of the central oxygen supply is reduced to 50-60kPa, the operation is complicated, the time is delayed, and the operation of the intubation rescue critical patient which is indispensible in the minute and the requisite is not facilitated.
Even if the oxygen supply laryngoscope is connected with the medical float flowmeter, the maximum oxygen supply flow of the float pressure reducing valve flowmeter is not more than 15-20 liters/min, and the adult per minute of high-flow oxygen supply is equal to or more than 45 liters/min in clinical definition, the float flowmeter cannot meet the clinical requirement of high-flow oxygen supply.
The utility model comprises the following steps:
the utility model aims to provide a rapid decompression high-flow oxygen supply laryngoscope which can be directly connected with oxygen supply of a hospital center and can ensure clinical requirements of high-flow oxygen supply.
The utility model is implemented by the following technical scheme: the quick pressure-reducing high-flow oxygen supply laryngoscope comprises a laryngoscope handle, an extension arm and a disposable high-transparency laryngoscope lens, wherein oxygen supply pipes are arranged in the laryngoscope handle and the extension arm, and an oxygen source pipe communicated with the oxygen supply pipe is arranged on the outer wall of the laryngoscope handle; an oxygen flow limiting device is arranged on the oxygen supply pipe or the oxygen source pipe.
Preferably, the oxygen flow limiting device is a flow limiting orifice plate placed in the oxygen supply pipe or the oxygen source pipe.
Preferably, the oxygen flow limiting device is a ventilation plug placed in the oxygen supply pipe or the oxygen source pipe.
Preferably, the oxygen flow limiting device comprises a three-way pipe structure, and an adjusting bolt is connected in a sealing thread manner in a middle pipeline of the three-way pipe structure.
Preferably, a quick plug-in connector communicated with the oxygen supply pipe is arranged on the outer wall of the laryngoscope handle, and the oxygen supply pipe is correspondingly and separately inserted in the quick plug-in connector.
Preferably, a quick plug-in connector communicated with the oxygen supply pipe is arranged in the laryngoscope handle, a movable sleeve is arranged on the outer wall of the laryngoscope handle, and a pipe orifice of the movable sleeve in the laryngoscope handle is correspondingly contacted with a release ring of the quick plug-in connector; the movable sleeve pipe orifice side wall in the laryngoscope handle is provided with a retaining protrusion, the movable sleeve pipe orifice side wall outside the laryngoscope handle is provided with a limiting ring, and the oxygen source pipe penetrates through the movable sleeve pipe inner cavity and is correspondingly and separately inserted into the quick plug-in connector.
Preferably, an oxygen source control switch is arranged on the oxygen supply pipe.
Preferably, the oxygen source control switch is a manual pressing switch, and a switch button of the manual pressing switch is arranged on the outer wall of the laryngoscope handle.
Preferably, the oxygen source control switch is an electric control valve, and a button switch for controlling the electric control valve to be opened and closed is arranged on the outer wall of the laryngoscope handle.
The utility model has the advantages that: compared with the prior art, the structure is simple, the manufacturing cost is low, and the standardized batch industrial production is convenient; when in use, the device is easy to operate, convenient and quick, and can be quickly connected with the central oxygen supply for use; limiting the oxygen flow to reduce the pressure of the high-pressure oxygen 400-700kPa of the central oxygen supply to 50-60kPa, wherein the oxygen flow is equal to or greater than 45 liters per minute, and the high-flow oxygen supply can enable the gas flow rate to generate positive airway pressure effect, so that the end-expiratory lung volume of a patient is increased, the lung is re-expanded, the lung compliance is increased, the oxygen is rapidly dispersed in the lung to improve the anoxic state of the patient, and the risk of hypoxia suffocation of the intubation is reduced.
Description of the drawings:
fig. 1 is a schematic overall structure of embodiment 1.
Fig. 2 is a schematic view of the entire structure of the laryngoscope handle in example 1.
Fig. 3 is a schematic view of the overall structure of a disposable highly transparent laryngoscope blade.
FIG. 4 is a schematic view of the oxygen flow restrictor of example 1 as a restrictor orifice.
Fig. 5 is a schematic view of section A-A of fig. 4.
Fig. 6 is a schematic view of the oxygen flow restrictor of example 1 as a vent plug.
Fig. 7 is a schematic view of section B-B of fig. 6.
Fig. 8 is a schematic diagram of the oxygen flow restrictor in the embodiment 1.
Fig. 9 is a schematic overall structure of embodiment 2.
Fig. 10 is a schematic overall structure of embodiment 3.
Fig. 11 is a schematic view of the installation of the active cannula.
Fig. 12 is a schematic diagram of the oxygen source control switch in embodiment 4 as a manual push switch.
Fig. 13 is a schematic diagram of an oxygen source control switch as an electrically controlled valve in embodiment 4.
Fig. 14 is a schematic overall structure of embodiment 5.
Fig. 15 is a schematic view of the entire structure of the laryngoscope handle in example 5.
FIG. 16 is a schematic view of the oxygen flow restrictor of example 1 as a restrictor orifice.
Fig. 17 is a schematic view of section C-C of fig. 5.
Fig. 18 is a schematic view of the oxygen flow restrictor of embodiment 1 as a vent plug.
Fig. 19 is a schematic view of section D-D of fig. 5.
Fig. 20 is a schematic view of the oxygen flow restrictor of embodiment 5 in a three-way structure.
Fig. 21 is a schematic overall structure of embodiment 6.
Fig. 22 is a schematic overall structure of embodiment 7.
Fig. 23 is a schematic diagram showing the oxygen source control switch as a manual push switch in example 8.
Fig. 24 is a schematic diagram of an oxygen source control switch as an electrically controlled valve in embodiment 8.
The specific embodiment is as follows:
example 1: as shown in fig. 1 to 3, the rapid decompression high flow oxygen supply laryngoscope comprises a laryngoscope handle 1 and a disposable high transparent laryngoscope lens 2, wherein the disposable high transparent laryngoscope lens 2 is inserted on an extension arm 11 at one end of the laryngoscope handle 1 in a split manner, an oxygen supply pipe 3 is arranged in the laryngoscope handle 1 and the extension arm 11, a pipe orifice at one end of the oxygen supply pipe 3 in the extension arm 11 penetrates through the outer wall of the top end of the extension arm 11 and is arranged at the outer side of the top end of the extension arm 11, and an oxygen outlet 21 corresponding to the pipe orifice of the oxygen supply pipe 3 at the top end of the extension arm 11 is arranged on the disposable high transparent laryngoscope lens 2; an oxygen source tube 4 communicated with the oxygen supply tube 3 is arranged on the outer wall of the laryngoscope handle 1; a rapid plug 5 which is correspondingly inserted with a rapid interface of central oxygen supply is arranged at the end head of the oxygen source tube 4; the oxygen supply pipe 3 is provided with an oxygen flow limiting device 6, and as shown in fig. 4 and 5, the oxygen flow limiting device 6 is a limiting orifice plate 61 arranged in the oxygen supply pipe 3; or as shown in fig. 6 and 7, the oxygen flow restriction device 6 is a vent plug 62 disposed within the oxygen supply tube 3; or as shown in fig. 8, the oxygen flow limiting device 6 is a three-way pipe structure 63, and two straight-through pipes 631 of the three-way pipe structure 63 are communicated with the oxygen supply pipe 3; an adjusting screw 633 is screwed in the intermediate pipe 632 of the tee 63.
Description of use: when the disposable high-transparency laryngoscope is used, the quick plug 5 is inserted into a quick interface of central oxygen supply of a hospital, high-pressure oxygen of 400-700kPa of central oxygen supply of the hospital is decompressed to 50-60kPa through the oxygen flow limiting device 6 on the oxygen supply pipe 3, and is sprayed out from the oxygen outlet 21 on the disposable high-transparency laryngoscope 2, so that oxygen is conveyed to the body in the process of exposing glottis of an intubation by the laryngoscope, and hypoxia asphyxia of the intubation is reduced.
Example 2: as shown in fig. 9, the laryngoscope with rapid decompression and high flow oxygen supply has the same overall structure as that of the embodiment 1, and is characterized in that a rapid plug-in connector 7 communicated with the oxygen supply tube 3 is arranged on the outer wall of the laryngoscope handle 1, the oxygen source tube 4 is correspondingly and separately inserted into the rapid plug-in connector 7, the oxygen source tube 4 is separately inserted into the laryngoscope handle 1 through the rapid plug-in connector 7, the laryngoscope is convenient to carry and store, the rapid plug-in connector 7 is simple to operate, the rapid connection is convenient, and the oxygen source tube 4 is convenient to lock and unlock.
Example 3: as shown in fig. 10, the rapid decompression high flow oxygen supplying laryngoscope comprises a laryngoscope handle 1 and a disposable high transparent laryngoscope lens 2, and the whole structure is the same as that of the embodiment 1, wherein, a rapid insertion type joint 7 communicated with an oxygen supplying pipe 3 is arranged in the laryngoscope handle 1, a movable sleeve 8 is arranged on the outer wall of the laryngoscope handle 1, and the orifice of the movable sleeve 8 in the laryngoscope handle 1 is correspondingly contacted with a release ring 71 of the rapid insertion type joint 7 as shown in fig. 11; a stop protrusion 81 is arranged on the side wall of the pipe orifice of the movable sleeve 8 in the laryngoscope handle 1, a limiting ring 82 is arranged on the side wall of the pipe orifice of the movable sleeve 8 outside the laryngoscope handle 1, an oxygen source pipe 4 passes through the inner cavity of the movable sleeve 8 and is correspondingly and separately inserted into the quick plug-in connector 7, the oxygen source pipe 4 is separately inserted into the laryngoscope handle 1 through the quick plug-in connector 7, the laryngoscope is convenient to carry and store, the quick plug-in connector 7 is simple to operate, the quick plug-in connector is convenient to connect, and the oxygen source pipe 4 is convenient to lock and unlock; the movable sleeve 8 is connected with the quick plug-in connector 7 in a matched manner, the movable sleeve 8 is pressed to unlock the oxygen source tube 4, and the operation is simple, convenient and quick.
Example 4: as shown in fig. 12, the rapid decompression high flow oxygen supply laryngoscope comprises a laryngoscope handle 1 and a disposable high transparent laryngoscope lens 2, and the whole structure is the same as that of the embodiment 3, wherein an oxygen source control switch 9 is arranged on the oxygen supply tube 3, the oxygen source control switch 9 is a manual pressing switch 91, and a switch button 911 of the manual pressing switch 91 is arranged on the outer wall of the laryngoscope handle 1; or as shown in fig. 13, the oxygen source control switch 9 is an electric control valve 92, a button switch 93 for controlling the electric control valve 92 to be opened and closed is arranged on the outer wall of the laryngoscope handle 1, and the oxygen supply mode can be switched between the continuous oxygen supply mode and the jet oxygen supply mode by pressing the oxygen source control switch 9 in medical work through the oxygen source control switch 9.
Example 5: as shown in fig. 14 and 15, the quick decompression high flow oxygen supply laryngoscope comprises a laryngoscope handle 1 and a disposable high transparent laryngoscope lens 2, wherein the disposable high transparent laryngoscope lens 2 is inserted on an extension arm 11 at one end of the laryngoscope handle 1 in a split manner, an oxygen supply pipe 3 is arranged in the laryngoscope handle 1 and the extension arm 11, a pipe orifice at one end of the oxygen supply pipe 3 in the extension arm 11 penetrates through the outer wall of the top end of the extension arm 11 and is arranged at the outer side of the top end of the extension arm 11, and an oxygen outlet corresponding to the pipe orifice of the oxygen supply pipe 3 at the top end of the extension arm 11 is arranged on the disposable high transparent laryngoscope lens 2; an oxygen source tube 4 communicated with the oxygen supply tube 3 is arranged on the outer wall of the laryngoscope handle 1; a rapid plug 5 which is correspondingly inserted with a rapid interface of central oxygen supply is arranged at the end head of the oxygen source tube 4; the oxygen source tube 4 is provided with an oxygen flow limiting device 6, and as shown in fig. 16 and 17, the oxygen flow limiting device 6 is a flow limiting orifice plate 61 arranged in the oxygen source tube 4; or as shown in fig. 18 and 19, the oxygen flow restriction device 6 is a ventilation plug 62 placed in the oxygen source tube 4; or as shown in fig. 20, the oxygen flow restriction device 6 includes a three-way pipe structure 63, and two through pipes 631 of the three-way pipe structure 63 communicate with the oxygen source pipe 4; an adjusting screw 633 is screwed in the intermediate pipe 632 of the tee 63.
Description of use: when the disposable high-transparency laryngoscope is used, the quick plug 5 is inserted into a quick interface of central oxygen supply of a hospital, high-pressure oxygen of 400-700kPa of central oxygen supply of the hospital is depressurized to 50-60kPa through the oxygen flow limiting device 6 on the oxygen source tube 4, and is sprayed out from the oxygen outlet 21 on the disposable high-transparency laryngoscope 2, so that oxygen is conveyed to the body in the process of exposing glottis of an intubation by the laryngoscope, and hypoxia asphyxia of the intubation is reduced.
Example 6: as shown in fig. 21, the rapid decompression high flow oxygen supply laryngoscope comprises a laryngoscope handle 1 and a disposable high transparent laryngoscope lens 2, and the whole structure is the same as that of the embodiment 5, and the difference is that a rapid plug-in connector 7 communicated with an oxygen supply tube 3 is arranged on the outer wall of the laryngoscope handle 1, an oxygen source tube 4 is correspondingly and separately inserted in the rapid plug-in connector 7, the oxygen source tube 4 is separately inserted on the laryngoscope handle 1 through the rapid plug-in connector 7, the laryngoscope is convenient to carry and store, the rapid plug-in connector 7 is easy to operate, rapid connection is convenient, and the oxygen source tube 4 is convenient to lock and unlock.
Example 7: as shown in fig. 22, the rapid decompression high flow oxygen supplying laryngoscope comprises a laryngoscope handle 1 and a disposable high transparent laryngoscope lens 2, and the whole structure is the same as that of the embodiment 5, wherein, a rapid insertion type joint 7 communicated with an oxygen supplying pipe 3 is arranged in the laryngoscope handle 1, a movable sleeve 8 is arranged on the outer wall of the laryngoscope handle 1, and the orifice of the movable sleeve 8 in the laryngoscope handle 1 is correspondingly contacted with a release ring 71 of the rapid insertion type joint 7 as shown in fig. 11; a stop protrusion 81 is arranged on the side wall of the pipe orifice of the movable sleeve 8 in the laryngoscope handle 1, a limiting ring 82 is arranged on the side wall of the pipe orifice of the movable sleeve 8 outside the laryngoscope handle 1, an oxygen source pipe 4 passes through the inner cavity of the movable sleeve 8 and is correspondingly and separately inserted into the quick plug-in connector 7, the oxygen source pipe 4 is separately inserted into the laryngoscope handle 1 through the quick plug-in connector 7, the laryngoscope is convenient to carry and store, the quick plug-in connector 7 is simple to operate, the quick plug-in connector is convenient to connect, and the oxygen source pipe 4 is convenient to lock and unlock; the movable sleeve 8 is connected with the quick plug-in connector 7 in a matched manner, the movable sleeve 8 is pressed to unlock the oxygen source tube 4, and the operation is simple, convenient and quick.
Example 8: as shown in fig. 23, the rapid decompression high flow oxygen supply laryngoscope comprises a laryngoscope handle 1 and a disposable high transparent laryngoscope lens 2, and the whole structure is the same as that of the embodiment 7, wherein an oxygen source control switch 9 is arranged on the oxygen supply tube 3, the oxygen source control switch 9 is a manual pressing switch 91, and a switch button 911 of the manual pressing switch 91 is arranged on the outer wall of the laryngoscope handle 1; or as shown in fig. 24, the oxygen source control switch 9 is an electric control valve 92, a button switch 93 for controlling the electric control valve 92 to be opened and closed is arranged on the outer wall of the laryngoscope handle 1, and the medical work can switch the oxygen supply mode between the continuous oxygen supply mode and the jet oxygen supply mode by pressing the oxygen source control switch 9.
Claims (10)
1. The quick decompression high flow oxygen supply laryngoscope comprises a laryngoscope handle, an extension arm and a disposable high transparent laryngoscope lens, and is characterized in that oxygen supply pipes are arranged in the laryngoscope handle and the extension arm, and an oxygen source pipe communicated with the oxygen supply pipe is arranged on the outer wall of the laryngoscope handle; an oxygen flow limiting device is arranged on the oxygen supply pipe or the oxygen source pipe.
2. The rapid decompression high flow oxygen supply laryngoscope according to claim 1, wherein the oxygen flow restricting device is a restrictor orifice plate disposed within the oxygen supply tube or the oxygen source tube.
3. The rapid decompression high flow oxygen supply laryngoscope according to claim 1, wherein the oxygen flow restricting device is a vent plug disposed within the oxygen supply tube or the oxygen source tube.
4. The rapid decompression high flow oxygen supply laryngoscope according to claim 1, wherein the oxygen flow limiting device comprises a three-way pipe structure, and an adjusting bolt is connected in a sealing thread manner in a middle pipeline of the three-way pipe structure.
5. The rapid decompression high flow oxygen supply laryngoscope according to any one of claims 1 to 4, wherein a rapid plug-in connector communicated with the oxygen supply tube is arranged on the outer wall of the laryngoscope handle, and the oxygen source tube is correspondingly and separately inserted in the rapid plug-in connector.
6. The rapid decompression high flow oxygen supply laryngoscope according to any one of claims 1 to 4, wherein a rapid insertion type joint communicated with the oxygen supply tube is arranged in the laryngoscope handle, a movable sleeve is arranged on the outer wall of the laryngoscope handle, and a pipe orifice of the movable sleeve in the laryngoscope handle is correspondingly contacted with a release ring of the rapid insertion type joint; the movable sleeve pipe orifice side wall in the laryngoscope handle is provided with a retaining protrusion, the movable sleeve pipe orifice side wall outside the laryngoscope handle is provided with a limiting ring, and the oxygen source pipe penetrates through the movable sleeve pipe inner cavity and is correspondingly and separately inserted into the quick plug-in connector.
7. The rapid decompression high flow oxygen supplying laryngoscope according to claim 5, wherein an oxygen source control switch is arranged on the oxygen supplying tube.
8. The rapid decompression high flow oxygen supplying laryngoscope according to claim 5, wherein an oxygen source control switch is arranged on the oxygen supplying tube.
9. The rapid decompression high flow oxygen supply laryngoscope according to any one of claims 7 or 8, wherein the oxygen source control switch is a manual push switch, and a switch button of the manual push switch is disposed on the outer wall of the laryngoscope handle.
10. The laryngoscope of claim 7 or 8, wherein the oxygen source control switch is an electric control valve, and a button switch for controlling the electric control valve to open and close is arranged on the outer wall of the laryngoscope handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320496450.9U CN219878121U (en) | 2023-03-13 | 2023-03-13 | Quick decompression high flow oxygen supply laryngoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320496450.9U CN219878121U (en) | 2023-03-13 | 2023-03-13 | Quick decompression high flow oxygen supply laryngoscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219878121U true CN219878121U (en) | 2023-10-24 |
Family
ID=88409462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320496450.9U Active CN219878121U (en) | 2023-03-13 | 2023-03-13 | Quick decompression high flow oxygen supply laryngoscope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219878121U (en) |
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2023
- 2023-03-13 CN CN202320496450.9U patent/CN219878121U/en active Active
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