CN219398567U - Mouth-biting type nasal catheter with terminal carbon dioxide monitoring function - Google Patents
Mouth-biting type nasal catheter with terminal carbon dioxide monitoring function Download PDFInfo
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- CN219398567U CN219398567U CN202320206384.7U CN202320206384U CN219398567U CN 219398567 U CN219398567 U CN 219398567U CN 202320206384 U CN202320206384 U CN 202320206384U CN 219398567 U CN219398567 U CN 219398567U
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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
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Abstract
A bite type 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 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 the seaming connecting pipeline, the carbon dioxide monitoring port is connected with the carbon dioxide pipeline, and the nasal plug connector and the seaming are matched, so that carbon dioxide exhaled from the nasal cavity and the oral cavity of a patient can be collected simultaneously, and the monitoring is more accurate.
Description
Technical Field
The utility model relates to the technical field of outpatient surgery anesthesia medical equipment, in particular to a bite type nasal catheter with terminal carbon dioxide monitoring function.
Background
End-tidal carbon dioxide monitoring, a non-invasive monitoring technique, has been considered as a sixth basic vital sign in addition to body temperature, respiration, pulse, blood pressure, arterial oxygen saturation, a surgical procedure for clinical endoscopy and diagnosis. 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, the common seaming for endoscopy has only one endoscope cavity, can enable the endoscope to freely pass through to protect the mirror, does not have the functions of oxygen inhalation and carbon dioxide collection, cannot monitor the concentration of carbon dioxide at the end of expiration of a patient, cannot timely find ventilation abnormality, and has relatively low safety. Some new bite type 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.
Disclosure of Invention
In view of the defects in the background art, the utility model relates to an occlusion type nasal catheter with the function of monitoring carbon dioxide at the end of a breath, and the nasal plug connector is matched with the occlusion, so that the carbon dioxide exhaled from the nasal cavity and the oral cavity of a patient can be collected at the same time, and the monitoring is more accurate.
The utility model relates to a bite type 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 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, can gather the carbon dioxide that exhales in patient's nasal cavity and the oral cavity simultaneously, improve monitoring accuracy, adopt intercommunication pipeline connection external equipment, seaming and nasal plug to connect simultaneously.
Further, two oxygen channels are arranged, two carbon dioxide nasal cavity collection ports are arranged, and two oxygen delivery outlets of the two oxygen channels and the two carbon dioxide nasal cavity collection ports form two groups of single nasal cavity gas exchange ports for gas exchange of double nasal cavities.
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 comprises an oxygen supply branch pipe, a transfer port, an oxygen supply pipe and an oxygen supply joint, wherein the oxygen supply branch pipe, the transfer port, the oxygen supply pipe and the oxygen supply joint are sequentially connected, the oxygen supply branch pipe is connected with an oxygen supply inlet, the oxygen supply branch pipe is provided with two oxygen supply inlets and is used for respectively connecting the two oxygen supply inlets, the transfer port is a tee joint, and the tee joint is used for connecting the two oxygen supply branch pipes and the oxygen supply pipe.
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 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.
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 confluence cavity is connected with a horizontal pipe, the horizontal pipe is divided into a first oxygen therapy inlet section, a confluence section and a second oxygen therapy inlet section, the first oxygen therapy inlet section and the second oxygen therapy inlet section are arranged at two ends of the horizontal pipe, the confluence section is arranged in the middle of the horizontal pipe, the first oxygen therapy inlet section, the confluence section and the second oxygen therapy inlet section are not communicated, the confluence section is used for communicating two carbon dioxide nasal cavity collection ports and the confluence cavity, and the first oxygen therapy inlet section and the second oxygen therapy inlet section respectively correspond to one oxygen therapy outlet.
Through adopting above-mentioned scheme, the cross tube makes things convenient for wearing of whole nasal catheter, has rectified the carbon dioxide nasal cavity to gather the mouth simultaneously, conveniently connects the breathing machine of monitoring catheter and breathe end carbon dioxide monitoring.
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. an oxygen delivery branch pipe; 3. a ring buckle; 4. a transfer port; 5. an oxygen therapy tube; 6. an oxygen delivery 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 present utility model, referring to fig. 1-7, is directed to a bite type nasal catheter with end tidal carbon dioxide monitoring, comprising:
the nasal plug connector 1 comprises an oxygen channel and a carbon dioxide channel, wherein 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;
a mouthpiece 9, wherein the mouthpiece 9 comprises an endoscope channel 91, a carbon dioxide oral cavity collection port 92 and a carbon dioxide oral cavity collection monitoring port, and the carbon dioxide oral cavity collection oral cavity monitoring port 93 is communicated with the carbon dioxide oral cavity collection port 92 and is used for connecting monitoring equipment to monitor carbon dioxide flowing out of the carbon dioxide oral cavity collection port 92;
the connecting pipeline comprises an oxygen supply pipeline, a carbon dioxide pipeline and a seaming connecting pipeline 10, wherein the oxygen supply pipeline comprises an oxygen delivery branch pipe 2, a switching port 4, an oxygen delivery pipe 5 and an oxygen delivery joint 6, the oxygen delivery branch pipe 2, the switching port 4, the oxygen delivery pipe 5 and the oxygen delivery joint 6 are sequentially connected, the oxygen delivery branch pipe 2 is connected with an oxygen delivery inlet 13, 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 8 is connected with the monitoring joint 7;
the oxygen supply pipeline, the oxygen delivery inlet 13 and the oxygen delivery outlet 11 are sequentially communicated, the carbon dioxide nasal cavity collecting port 12 and the oxygen delivery 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 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 the seaming connecting pipeline 10, and the carbon dioxide monitoring port 15 is connected with the carbon dioxide pipeline.
The oxygen channel is provided with two, the carbon dioxide nasal cavity collection port 12 is provided with two, two the oxygen therapy outlet 11 of the oxygen channel 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 oxygen therapy branch pipe 2 is provided with two oxygen therapy inlets 13 for respectively connecting the two oxygen therapy branch pipes, the switching port 4 is a tee joint, and the tee joint is used for connecting the two oxygen therapy branch pipes 2 and the oxygen therapy pipe 5.
The oxygen therapy branch pipe 2 is connected with the ring buckle 3, the ring buckle 3 is provided with holes for two oxygen therapy branch pipes 2 to pass through, the hole wall of the ring buckle 3 is attached to the outer wall of the oxygen therapy branch pipe 2, the friction force between the hole wall of the ring buckle 3 and the oxygen therapy branch pipe 2 is improved, the fixing stability is improved, and therefore the stability of wearing of the nasal plug connector 1 is guaranteed.
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 confluence cavity 14 is connected with a cross tube 17, the cross tube 17 is divided into a first oxygen input section 171, a confluence section 173 and a second oxygen input section 172, the first oxygen input section 171 and the second oxygen input section 172 are arranged at two ends of the cross tube 17, the confluence section 173 is arranged in the middle of the cross tube 17, the first oxygen input section 171, the confluence section 173 and the second oxygen input 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 input section 171 and the second oxygen input section 172 respectively correspond to one oxygen input 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 working principle and main beneficial effects of the utility model are as follows:
the nasal plug connector is connected with a hospital oxygen source through an oxygen delivery connector 6, and oxygen is delivered to the nasal cavity through an oxygen delivery pipe 5, a tee joint and an oxygen delivery branch pipe 2 to an oxygen delivery outlet 11 of the nasal plug connector 1; after the oxygen therapy branch pipe 2 is hung on the ears of a patient, the oxygen therapy branch pipe 2 can be tensioned through the ring buckle 3, so that the nasal plug connector 1 is firmly fixed on the nasal cavity; 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, meanwhile, the two nasal cavities are provided with the carbon dioxide nasal cavity collecting port 12 and the double-cavity structure of the seaming 9, carbon dioxide exhaled by the oral cavity of the patient is collected through the carbon dioxide nasal cavity collecting port 92, and the carbon dioxide in the oral cavity is collected and converged to the converging cavity 14 through the carbon dioxide nasal cavity collecting port 12 and the carbon dioxide nasal cavity collecting port 12 for the seaming 9 of the patient, so that oxygen supply to the nasal cavity of the patient is ensured, and carbon dioxide at the nasal cavity and the oral cavity of the patient can be converged and collected, and then a monitoring catheter is connected with a breathing machine or equipment for monitoring the carbon dioxide at the end through the carbon dioxide monitoring port 15 for real-time monitoring of the concentration of the carbon dioxide inhaled end; 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. Simultaneously, the two nasal cavities are provided with the carbon dioxide nasal cavity collection port 12, so that the problem that carbon dioxide collection cannot be carried out due to nasal cavity injury or lesions on a certain nasal cavity of a part of patients, or carbon dioxide data inaccuracy is caused by nasal cavity collection only is solved, and meanwhile, the end-expiratory carbon dioxide at the oral cavity of the patient is collected, so that the accuracy and the safety of collecting the end-respiratory carbon dioxide are higher.
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 bite type 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 delivery inlet (13) and the oxygen delivery outlet (11) are sequentially communicated, the carbon dioxide nasal cavity collection port (12) and the oxygen delivery 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 carbon dioxide nasal cavity collection port (12) and the carbon dioxide oral cavity collection monitoring port are communicated with the confluence cavity (14), the carbon dioxide oral cavity collection monitoring port is communicated with the confluence cavity (14) through a seaming connecting pipeline (10), and the carbon dioxide monitoring port (15) is connected with the carbon dioxide pipeline.
2. A bite type nasal catheter with end tidal carbon dioxide monitoring according to claim 1, wherein: the two oxygen channels are arranged, two carbon dioxide nasal cavity collection ports (12) are arranged, and two oxygen delivery outlets (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.
3. A bite type nasal catheter with end tidal carbon dioxide monitoring according to claim 2, wherein: the oxygen supply pipeline comprises an oxygen supply branch pipe (2), a switching port (4), an oxygen supply pipe (5) and an oxygen supply joint (6), the oxygen supply branch pipe (2), the switching port (4), the oxygen supply pipe (5) and the oxygen supply joint (6) are sequentially connected, the oxygen supply branch pipe (2) is connected with an oxygen supply inlet (13), the oxygen supply branch pipe (2) is provided with two oxygen supply inlets (13) for respectively connecting the two oxygen supply inlets (13), the switching port (4) is a tee joint, and the tee joint is used for connecting the two oxygen supply branch pipes (2) and the oxygen supply pipe (5).
4. A bite type nasal catheter with end tidal carbon dioxide monitoring according to claim 3, wherein: the oxygen therapy branch pipe (2) is connected with a ring buckle (3), and the ring buckle (3) is provided with holes for the two oxygen therapy branch pipes (2) to pass through.
5. A bite type nasal catheter with end tidal carbon dioxide monitoring according to 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).
6. A bite type nasal catheter with end tidal carbon dioxide monitoring according to claim 5, 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.
7. A bite type nasal catheter with end tidal carbon dioxide monitoring according to claim 6, wherein: a bite (9) between the baffle plate (94) and the boss (96) is provided with a bite block (95).
8. A bite type nasal catheter with end tidal carbon dioxide monitoring according to claim 7, wherein: fixing holes (941) are formed in two sides of the baffle plate (94).
9. A bite type nasal catheter with end tidal carbon dioxide monitoring according to 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).
10. A bite type nasal catheter with end tidal carbon dioxide monitoring according to claim 9, wherein: the utility model discloses a device for collecting carbon dioxide nasal cavity, including cross tube (17), confluence chamber (14), first oxygen therapy entry section (171), confluence section (173) and second oxygen therapy entry section (172), both ends of cross tube (17) are located to first oxygen therapy entry section (171) and second oxygen therapy entry section (172), the centre of cross tube (17) is located to confluence section (173), and first oxygen therapy entry section (171), confluence section (173) and second oxygen therapy entry section (172) are not linked together, confluence section (173) are used for linking up two carbon dioxide nasal cavity collection mouths (12) and confluence chamber (14), first oxygen therapy entry section (171) and second oxygen therapy entry section (172) correspond an oxygen therapy export (11) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320206384.7U CN219398567U (en) | 2023-02-09 | 2023-02-09 | Mouth-biting type nasal catheter with terminal carbon dioxide monitoring function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320206384.7U CN219398567U (en) | 2023-02-09 | 2023-02-09 | Mouth-biting type nasal catheter with terminal carbon dioxide monitoring function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219398567U true CN219398567U (en) | 2023-07-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320206384.7U Active CN219398567U (en) | 2023-02-09 | 2023-02-09 | Mouth-biting type nasal catheter with terminal carbon dioxide monitoring function |
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| Country | Link |
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| CN (1) | CN219398567U (en) |
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- 2023-02-09 CN CN202320206384.7U patent/CN219398567U/en active Active
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