CN219398569U - Sealed nasal catheter with terminal carbon dioxide monitoring function - Google Patents
Sealed nasal catheter with terminal carbon dioxide monitoring function Download PDFInfo
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- CN219398569U CN219398569U CN202320359751.7U CN202320359751U CN219398569U CN 219398569 U CN219398569 U CN 219398569U CN 202320359751 U CN202320359751 U CN 202320359751U CN 219398569 U CN219398569 U CN 219398569U
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- carbon dioxide
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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Abstract
A sealed nasal catheter with end tidal carbon dioxide monitoring, comprising: the nasal plug connector comprises an oxygen channel and a carbon dioxide channel; the seaming comprises an endoscope channel, a carbon dioxide oral cavity acquisition port and a carbon dioxide oral cavity acquisition monitoring port, wherein the carbon dioxide oral cavity acquisition monitoring port is communicated with the carbon dioxide oral cavity acquisition port; the connecting pipeline comprises an oxygen supply pipeline, a carbon dioxide pipeline and a seaming connecting pipeline; the oxygen supply pipeline, the oxygen delivery inlet and the oxygen delivery outlet are sequentially communicated, the carbon dioxide nasal cavity collection port and the oxygen delivery outlet of the oxygen channel are adjacently arranged to form a group of single nasal cavity gas exchange ports, the single nasal cavity gas exchange ports are sleeved with sealing bags, the carbon dioxide monitoring ports are connected with the carbon dioxide pipeline, the connecting pipeline is connected with the nasal plug connector conveniently, and meanwhile, the oxygen supply pipeline only comprises an oxygen delivery branch pipe, a conversion port and a breathing connector, a part of hoses are omitted, and resources are effectively saved.
Description
Technical Field
The utility model relates to the technical field of outpatient surgery anesthesia medical equipment, in particular to a sealed nasal catheter with terminal carbon dioxide monitoring function.
Background
End-tidal carbon dioxide has been considered as a non-invasive monitoring technique during outpatient anesthesia ventilation, being the sixth basic vital sign in addition to body temperature, respiration, pulse, blood pressure, arterial oxygen saturation. The ventilation effect of the patient can be reflected by measuring the concentration of the carbon dioxide at the end of expiration, ventilation abnormality can be found in time, and the risk of respiratory depression is reduced.
At present, a common nasal catheter is only inserted into a nasal cavity to supply oxygen, and for old people, obese patients and the like which are easy to generate a tongue root falling back, the oxygen supply of the nasal cavity is easy to be caused by the blockage of the tongue root, so that the ventilation can not be carried out normally; the common nasal catheter connector only has the function of oxygen inhalation, but not both the functions of oxygen inhalation and carbon dioxide collection. Some new nasal catheters can collect carbon dioxide, but can collect only one nasal cavity, or can collect two nasal cavities, but can not collect carbon dioxide at the end of oral expiration, and some nasal cavities of patients can not collect carbon dioxide due to nasal injury or lesions, or the concentration of carbon dioxide monitoring is not accurate enough.
In the prior art, a nasal plug connector is used for collecting carbon dioxide from two nasal cavities and an oral area simultaneously, but the novel nasal plug connector is not matched with a good conduit, so that the problem of inconvenient use is caused when the novel nasal plug connector is matched with other hoses on the market, and meanwhile, some conduits are suitable for being connected with oxygen sources of hospitals, but are connected with oxygen supply machines on the market without excessive hoses, so that the market is urgent to need a hose suitable for being connected with the oxygen supply machines, the adaptation degree is improved, and the material waste is reduced.
Disclosure of Invention
In view of the defects existing in the background technology, the utility model relates to a sealed nasal catheter with the function of monitoring carbon dioxide at the end of a call, a connecting pipeline is convenient to connect with a nasal plug connector, and meanwhile, an oxygen supply pipeline only comprises an oxygen delivery branch pipe, a conversion port and a respiratory connector, so that part of hoses are omitted, and resources are effectively saved.
The utility model relates to a sealed nasal catheter with end-tidal carbon dioxide monitoring, comprising:
the nasal plug connector comprises an oxygen channel and a carbon dioxide channel, wherein the oxygen channel is provided with an oxygen input port and an oxygen input outlet, and the carbon dioxide channel comprises a carbon dioxide nasal cavity collection port, a confluence cavity, a carbon dioxide monitoring port and a seaming carbon dioxide collection port;
the seaming comprises an endoscope channel, a carbon dioxide oral cavity acquisition port and a carbon dioxide oral cavity acquisition monitoring port, wherein the carbon dioxide oral cavity acquisition oral cavity monitoring port is communicated with the carbon dioxide oral cavity acquisition port and is used for connecting monitoring equipment to monitor carbon dioxide flowing out of the carbon dioxide oral cavity acquisition port;
the connecting pipeline comprises an oxygen supply pipeline, a carbon dioxide pipeline and a seaming connecting pipeline;
the oxygen supply pipeline, the oxygen delivery inlet and the oxygen delivery outlet are sequentially communicated, the carbon dioxide nasal cavity collecting port and the oxygen delivery outlet of the oxygen channel are adjacently arranged to form a group of single nasal cavity gas exchange ports for gas exchange of nasal cavities, the single nasal cavity gas exchange ports are sleeved with sealing bags, the carbon dioxide nasal cavity collecting port and the carbon dioxide oral cavity collecting and monitoring port are communicated with the converging cavity, the carbon dioxide oral cavity collecting and monitoring port is communicated with the converging cavity through a seaming connecting pipeline, and the carbon dioxide monitoring port is connected with the carbon dioxide pipeline.
Through adopting above-mentioned scheme, collect the monitoring to the carbon dioxide in nasal cavity and the oral cavity, carry out the oxygen suppliment to the patient simultaneously, the insertion of endoscope can be convenient for to the seaming simultaneously, and sealed bag seals the nostril, and oxygen input and carbon dioxide output are more concentrated, reduce oxygen input and carbon dioxide output's loss, improve the degree of accuracy of carbon dioxide monitoring.
Further, the number of the oxygen channels is two, the number of the carbon dioxide nasal cavity collecting ports is two, the oxygen delivery outlet of the two oxygen channels and the number of the carbon dioxide nasal cavity collecting ports form two groups of single nasal cavity gas exchange ports for gas exchange of double nasal cavities, the number of the sealing bags is two, and the two sealing bags are respectively sleeved on the two groups of single nasal cavity gas exchange ports.
By adopting the scheme, oxygen supply and carbon dioxide collection are carried out on the double nasal cavities at the same time.
Further, the oxygen supply pipeline is formed by connecting an oxygen supply branch pipe, a conversion port and a breathing joint in sequence.
By adopting the scheme, part of the hose is saved, and resources are effectively saved.
Further, two oxygen therapy branch pipes are arranged and are used for being connected with two oxygen therapy inlets respectively, the conversion interface is a tee joint, and the tee joint is used for being connected with the two oxygen therapy branch pipes and the breathing joint.
By adopting the scheme, oxygen is conveniently and simultaneously supplied to two nasal cavities.
Further, the oxygen therapy branch pipe is connected with a ring buckle, and the ring buckle is provided with holes for the two oxygen therapy branch pipes to pass through.
Through adopting above-mentioned scheme, conveniently improve the effect of hooking the ear.
Further, the carbon dioxide collecting pipeline comprises a monitoring joint and a monitoring pipe, one end of the monitoring pipe is connected with the carbon dioxide monitoring port, and the other end of the monitoring pipe is connected with the monitoring joint.
Through adopting above-mentioned scheme, conveniently be connected with the breathing machine that breathes end carbon dioxide monitoring, carry out real-time supervision.
Further, the seaming also comprises a baffle, the area of the baffle is larger than the area of the through hole of the endoscope channel, the baffle is arranged on one side of the hole of the endoscope channel facing the outside of the oral cavity, and the hole of the endoscope channel facing the outside of the oral cavity is arranged in the middle of the baffle.
By adopting the scheme, the baffle prevents the seaming from sliding into the oral cavity, and the endoscope channel is arranged in the middle of the baffle, so that the endoscope can be conveniently sent in and taken out.
Further, the seaming also comprises a boss which is arranged on one side of the hole of the endoscope channel facing the inside of the oral cavity.
By adopting the scheme, the lug boss can prevent the seaming from sliding out and falling off from the oral cavity of the patient.
Further, a bite between the baffle and the boss is provided with a bite block.
By adopting the scheme, the occlusion of teeth is facilitated, and the uncomfortable feeling of the teeth of a patient is reduced.
Further, fixed holes are formed in two sides of the baffle.
By adopting the scheme, the fixing hole can be inserted with the fixing band, so that the bite is conveniently fixed on the hindbrain spoon of the patient, and the shift or the slide is prevented.
Drawings
FIG. 1 is a schematic view of the structure of embodiment 1 of the present utility model;
FIG. 2 is a schematic view of the nose plug connector according to the embodiment 1 of the present utility model;
FIG. 3 is a schematic diagram of the flow direction of the gas in the nasal plug connector according to the embodiment 1 of the present utility model;
FIG. 4 is a perspective view of a nasal prong connector according to embodiment 1 of the present utility model;
FIG. 5 is a schematic view showing the structure of the mouthpiece of embodiment 1 of the present utility model;
FIG. 6 is a side view of the bite of example 1 of the present utility model;
FIG. 7 is a cross-sectional view of the nip of embodiment 1 of the present utility model.
Reference numerals: 1. a nose plug connector; 11. an oxygen delivery outlet; 12. a carbon dioxide nasal cavity collection port; 13. an oxygen inlet; 14. a confluence chamber; 15. a carbon dioxide monitoring port; 16. seaming the carbon dioxide collection port; 17. a transverse tube; 171. a first oxygen therapy inlet section; 172. a second oxygen therapy inlet section; 173. a confluence section; 2. sealing the bag; 3. an oxygen delivery branch pipe; 4. a ring buckle; 5. a transfer port; 6. a respiratory joint; 7. monitoring the joint; 8. monitoring a tube; 9. seaming; 91. an endoscope channel; 92. a carbon dioxide oral collection port; 93. collecting an oral monitoring port by a carbon dioxide oral cavity; 94. a baffle; 941. a fixing hole; 95. a bite-block; 96. a boss; 10. the connecting pipeline is snapped.
Detailed Description
The following description and the discussion of the embodiments of the present utility model will be made more complete and less in view of the accompanying drawings, in which it is to be understood that the utility model is not limited to the embodiments of the utility model disclosed and that it is intended to cover all such modifications as fall within the scope of the utility model.
For the purpose of facilitating an understanding of the embodiments of the present utility model, reference will now be made to the drawings, by way of example, of specific embodiments, and the various embodiments should not be construed to limit the embodiments of the utility model.
Embodiment 1 of the utility model is shown with reference to fig. 1-7, and relates to a sealed nasal catheter with terminal carbon dioxide monitoring, which comprises a nasal plug connector 1, a seaming 9 and a communicating pipeline,
the nasal plug connector 1 comprises an oxygen channel and a carbon dioxide channel, the oxygen channel is provided with an oxygen delivery inlet 13 and an oxygen delivery outlet 11, the carbon dioxide channel comprises a carbon dioxide nasal cavity collecting port 12, a confluence cavity 14, a carbon dioxide monitoring port 15 and a seaming carbon dioxide collecting port 16, the confluence cavity 14 is connected with a transverse tube 17, the transverse tube 17 is divided into a first oxygen delivery inlet section 171, a confluence section 173 and a second oxygen delivery inlet section 172, the first oxygen delivery inlet section 171 and the second oxygen delivery inlet section 172 are arranged at two ends of the transverse tube 17, the confluence section 173 is arranged in the middle of the transverse tube 17, the first oxygen delivery inlet section 171, the confluence section 173 and the second oxygen delivery inlet section 172 are not communicated, the confluence section 173 is used for communicating the two carbon dioxide nasal cavity collecting ports 12 and the confluence cavity 14, and the first oxygen delivery inlet section 171 and the second oxygen delivery inlet section 172 respectively correspond to one oxygen delivery outlet 11.
The length of the oxygen delivery outlet 11 is longer than that of the carbon dioxide nasal cavity collection port 12. The carbon dioxide monitoring port 15 is arranged parallel to the cross pipe 17. The oxygen therapy outlet 11 and the carbon dioxide nasal cavity collection port 12 are both perpendicular to the transverse tube 17, and the oxygen therapy outlet 11 and the carbon dioxide nasal cavity collection port 12 are connected with the transverse tube 17 and deviate from the plane where the confluence cavity 14 is located. The oxygen delivery outlet 11 is parallel to the carbon dioxide nasal cavity collection port 12, and the included angle between the plane extension line of the oxygen delivery outlet 11 and the plane extension line of the confluence cavity 14 is 130 degrees+/-5 degrees, wherein the stability is optimal when the included angle is 130 degrees.
The bite 9 comprises an endoscope channel 91, a carbon dioxide oral cavity collecting port 92 and a carbon dioxide oral cavity collecting and monitoring port, wherein the carbon dioxide oral cavity collecting and monitoring port 93 is communicated with the carbon dioxide oral cavity collecting port 92 and is used for being connected with monitoring equipment to monitor carbon dioxide flowing out of the carbon dioxide oral cavity collecting port 92.
The seaming 9 further comprises a baffle 94, the area of the baffle 94 is larger than that of the through hole of the endoscope channel 91, the baffle 94 is arranged on one side of the hole of the endoscope channel 91 facing the outside of the oral cavity, and the hole of the endoscope channel 91 facing the outside of the oral cavity is arranged in the middle of the baffle 94, so that the endoscope can be conveniently inserted.
The mouthpiece 9 further includes a boss 96, and the boss 96 is provided on a hole side of the endoscope channel 91 facing the inside of the oral cavity. The bite 9 between the baffle 94 and the boss 96 is provided with a bite block 95. The baffle 94 both sides are equipped with fixed orifices 941, fixed orifices 941 are used for wearing the rope and assist the seaming 9 fixed, guarantee the stability of seaming 9.
The oxygen supply pipeline, the oxygen therapy inlet 13 and the oxygen therapy outlet 11 are sequentially communicated, the carbon dioxide nasal cavity collection port 12 and the oxygen therapy outlet 11 of the oxygen channel are adjacently arranged to form a group of single nasal cavity gas exchange ports for gas exchange of nasal cavities, the single nasal cavity gas exchange ports are sleeved with the sealing bag 2, the carbon dioxide nasal cavity collection port 12 and the carbon dioxide oral cavity collection monitoring port are communicated with the converging cavity 14, the carbon dioxide oral cavity collection monitoring port is communicated with the converging cavity 14 through the seaming connecting pipeline 10, and the carbon dioxide monitoring port 15 is connected with the carbon dioxide pipeline.
The connecting pipeline comprises an oxygen supply pipeline, a carbon dioxide pipeline and a seaming connecting pipeline 10, and the oxygen supply pipeline is formed by sequentially connecting an oxygen delivery branch pipe 3, a conversion port 5 and a breathing joint 6.
The two oxygen channels are arranged, the two carbon dioxide nasal cavity collection ports 12 are arranged, the two oxygen delivery outlets 11 of the oxygen channels and the two carbon dioxide nasal cavity collection ports 12 form two groups of single nasal cavity gas exchange ports for gas exchange of double nasal cavities, the two sealing bags 2 are arranged, and the two sealing bags 2 are respectively sleeved on the two groups of single nasal cavity gas exchange ports.
The oxygen therapy branch pipe 3 is equipped with two for connect two oxygen therapy inlets 13 respectively, the switching mouth 5 is the tee bend, the tee bend is used for connecting two oxygen therapy branch pipes 3 and breathing joint 6, oxygen therapy branch pipe 3 is connected with the latch closure 4, the latch closure 4 is equipped with the hole that supplies two oxygen therapy branch pipes 3 to pass, the pore wall and the laminating of oxygen therapy branch pipe 3 outer wall of latch closure 4 improve the pore wall of latch closure 4 and the frictional force of oxygen therapy branch pipe 3, improve fixed stability to guarantee the stability that nose plug joint 1 was worn.
The working principle of the utility model has the main beneficial effects that:
the sealing bag 2 can seal the nasal cavity, the oxygen therapy inlet 13 is connected with an oxygen supply pipeline, oxygen supply ventilation is clinically carried out, positive pressure airflow generated during the oxygen supply ventilation can jack the tongue root of a patient with easy falling of the tongue root such as old people, obesity and the like, and respiratory depression caused by falling of the ear root is avoided; wherein the sealing bag 2 is made of soft elastic material, which is comfortable and can seal the nasal cavity; wherein the whole seaming 9 is of a double-cavity structure, one cavity is an endoscope channel 91, and the endoscope can pass freely; wherein, the nasal plug connector is connected with a breathing machine loop through a breathing connector 6, and oxygen is input into the nasal cavity through a tee joint and an oxygen input branch pipe 3 to an oxygen input outlet 11 of the nasal plug connector 1; wherein, after the oxygen therapy branch pipe 3 is hung on the ears of a patient, the oxygen therapy branch pipe 3 can be tensioned through the movable annular ring, so that the nasal plug connector 1 is firmly fixed on the nasal cavity; simultaneously, the oxygen delivery outlet 11 and the carbon dioxide nasal cavity collecting port 12 are arranged in the hollow sealing bag 2, the oxygen delivery outlet 11 and the carbon dioxide nasal cavity collecting port 12 are inserted into the nasal cavity of a patient, the oxygen delivery outlet 11 is designed to be longer than the carbon dioxide nasal cavity collecting port 12, oxygen can be supplied to the nasal cavity of the patient through the oxygen delivery outlet 11, the seaming 9 is connected with the confluence cavity 14, the carbon dioxide oral cavity collecting port 92 exhaled by the oral cavity part of the patient is collected, and meanwhile, the carbon dioxide is collected through the carbon dioxide nasal cavity collecting port 12 and the nasal cavity of the patient and is converged to the confluence cavity 14, so that oxygen supply to the nasal cavity of the patient can be ensured, and the carbon dioxide at the nasal cavity and the oral cavity of the patient can be converged and collected, and then the carbon dioxide monitoring port 15 is connected with a monitoring catheter to a breathing machine or equipment for monitoring the carbon dioxide at the end of breathing for monitoring the real-time monitoring of the concentration of the inhaled carbon dioxide; the ventilation and oxygen supply effects of the patient are detected, abnormal ventilation is found in time, the risk of respiratory depression is reduced, and the ventilation safety of the patient is improved.
Finally, it should be noted that: the above examples are only specific embodiments of the present utility model, and are not intended to limit the scope of the present utility model, but it should be understood by those skilled in the art that the present utility model is not limited thereto, and that the present utility model is described in detail with reference to the foregoing examples: any person skilled in the art may modify or easily conceive of the technical solution described in the foregoing embodiments, or perform equivalent substitution of some of the technical features, while remaining within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model, and are intended to be included in the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.
Claims (10)
1. A sealed nasal catheter with end tidal carbon dioxide monitoring, comprising:
the nasal plug connector (1), the nasal plug connector (1) comprises an oxygen channel and a carbon dioxide channel, the oxygen channel is provided with an oxygen delivery inlet (13) and an oxygen delivery outlet (11), and the carbon dioxide channel comprises a carbon dioxide nasal cavity collection port (12), a confluence cavity (14), a carbon dioxide monitoring port (15) and a seaming carbon dioxide collection port (16);
the seaming (9), the seaming (9) comprises an endoscope channel (91), a carbon dioxide oral cavity collecting port (92) and a carbon dioxide oral cavity collecting and monitoring port, and the carbon dioxide oral cavity collecting and monitoring port (93) is communicated with the carbon dioxide oral cavity collecting port (92) and is used for being connected with monitoring equipment to monitor carbon dioxide flowing out of the carbon dioxide oral cavity collecting port (92);
the communication pipeline comprises an oxygen supply pipeline, a carbon dioxide pipeline and a seaming connecting pipeline (10);
the oxygen supply pipeline, the oxygen therapy inlet (13) and the oxygen therapy outlet (11) are sequentially communicated, the carbon dioxide nasal cavity collecting port (12) and the oxygen therapy outlet (11) of the oxygen channel are adjacently arranged to form a group of single nasal cavity gas exchange ports for gas exchange of nasal cavities, the single nasal cavity gas exchange ports are sleeved with sealing bags (2), the carbon dioxide nasal cavity collecting port (12) and the carbon dioxide oral cavity collecting and monitoring port are communicated with the converging cavity (14), the carbon dioxide oral cavity collecting and monitoring port is communicated with the converging cavity (14) through a seaming connecting pipeline (10), and the carbon dioxide monitoring port (15) is connected with the carbon dioxide pipeline.
2. A sealed nasal catheter with end tidal carbon dioxide monitoring as in claim 1, wherein: the oxygen channel is provided with two, the carbon dioxide nasal cavity collection ports (12) are provided with two, the oxygen delivery outlet (11) of the two oxygen channels and the two carbon dioxide nasal cavity collection ports (12) form two groups of single nasal cavity gas exchange ports for gas exchange of double nasal cavities, the sealing bags (2) are provided with two, and the two sealing bags (2) are respectively sleeved on the two groups of single nasal cavity gas exchange ports.
3. A sealed nasal catheter with end tidal carbon dioxide monitoring as claimed in claim 2, wherein: the oxygen supply pipeline is formed by sequentially connecting an oxygen delivery branch pipe (3), an adapter (5) and a breathing joint (6).
4. A sealed nasal catheter with end tidal carbon dioxide monitoring according to claim 3, wherein: the oxygen therapy branch pipe (3) is provided with two oxygen therapy inlets (13) which are respectively connected, the switching port (5) is a tee joint, and the tee joint is used for connecting the two oxygen therapy branch pipes (3) and the breathing joint (6).
5. A sealed nasal catheter with end tidal carbon dioxide monitoring as in claim 4, wherein: the oxygen therapy branch pipes (3) are connected with buckles (4), and the buckles (4) are provided with holes for the two oxygen therapy branch pipes (3) to pass through.
6. A sealed nasal catheter with end tidal carbon dioxide monitoring as in claim 1, wherein: the carbon dioxide collecting pipeline comprises a monitoring joint (7) and a monitoring pipe (8), one end of the monitoring pipe (8) is connected with a carbon dioxide monitoring port (15), and the other end of the monitoring pipe is connected with the monitoring joint (7).
7. A sealed nasal catheter with end tidal carbon dioxide monitoring as in claim 1, wherein: the bite (9) further comprises a baffle (94), the area of the baffle (94) is larger than the area of a through hole of the endoscope channel (91), the baffle (94) is arranged on one side of the endoscope channel (91) facing the hole outside the oral cavity, and the endoscope channel (91) facing the hole outside the oral cavity is arranged in the middle of the baffle (94).
8. A sealed nasal catheter with end tidal carbon dioxide monitoring as in claim 7, wherein: the seaming (9) also comprises a boss (96), and the boss (96) is arranged on one side of the hole of the endoscope channel (91) facing the inside of the oral cavity.
9. A sealed nasal catheter with end tidal carbon dioxide monitoring as in claim 8, wherein: a bite (9) between the baffle plate (94) and the boss (96) is provided with a bite block (95).
10. A sealed nasal catheter with end tidal carbon dioxide monitoring as in claim 9, wherein: fixing holes (941) are formed in two sides of the baffle plate (94).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320359751.7U CN219398569U (en) | 2023-02-21 | 2023-02-21 | Sealed nasal catheter with terminal carbon dioxide monitoring function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320359751.7U CN219398569U (en) | 2023-02-21 | 2023-02-21 | Sealed nasal catheter with terminal carbon dioxide monitoring function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219398569U true CN219398569U (en) | 2023-07-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320359751.7U Active CN219398569U (en) | 2023-02-21 | 2023-02-21 | Sealed nasal catheter with terminal carbon dioxide monitoring function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219398569U (en) |
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2023
- 2023-02-21 CN CN202320359751.7U patent/CN219398569U/en active Active
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