CN219501759U - Tracheal catheter for nasopharynx temperature measurement - Google Patents
Tracheal catheter for nasopharynx temperature measurement Download PDFInfo
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- CN219501759U CN219501759U CN202222196293.8U CN202222196293U CN219501759U CN 219501759 U CN219501759 U CN 219501759U CN 202222196293 U CN202222196293 U CN 202222196293U CN 219501759 U CN219501759 U CN 219501759U
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- temperature measurement
- flexible main
- pipe body
- temperature measuring
- main pipe
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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
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
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Abstract
The utility model relates to the technical field of tracheal tubes, and discloses a nasopharyngeal temperature-measuring tracheal tube which comprises a flexible main tube body, wherein an air inlet end of the flexible main tube body is connected with a breathing joint, an air outlet end of the flexible main tube body is provided with a main opening, the inner wall of the flexible main tube body is provided with a temperature measuring pipeline, one end of the temperature measuring pipeline, which is close to the main opening, is connected with the inner wall of the flexible main tube body to form a closed end, the temperature measuring pipeline is positioned at the air inlet end and is an open end, the temperature measuring pipeline is arranged along the extending direction of the flexible main tube body, an infrared temperature measuring probe and a temperature measuring wire are arranged in the temperature measuring pipeline, the open end is provided with a temperature measuring connector, the infrared temperature measuring probe is connected with the temperature measuring connector through the temperature measuring wire, the temperature measuring end of the infrared temperature measuring probe faces the outer side of the flexible main tube body, a main air passage is arranged in the flexible main tube body, two ends of the main air passage are respectively communicated with the breathing joint and the main opening, and the temperature measuring pipeline is isolated from the main air passage. The tracheal catheter for nasopharynx temperature measurement improves the accuracy of results and reduces the difficulty of recycling.
Description
Technical Field
The utility model relates to the technical field of tracheal tubes, in particular to a nasopharyngeal temperature measuring tracheal tube.
Background
The temperature sensor of the existing tracheal catheter is a thermistor sensor, and the thermistor sensor can accurately measure the temperature only by being clung to the skin of a patient, but in the actual operation process, the temperature sensor is difficult to ensure to be clung to the skin of the patient, so that the deviation of the temperature measurement result is larger. And the temperature sensor is exposed out of the tracheal catheter, so that cross infection is easily caused by repeated use, and the repeated use is difficult.
Disclosure of Invention
The purpose of the utility model is that: the tracheal catheter for nasopharynx temperature measurement is provided, the accuracy of the temperature measurement result is improved, the recycling difficulty is reduced, the recycling of resources is promoted, and the resources are saved.
In order to achieve the above purpose, the utility model provides an endotracheal tube for nasopharynx temperature measurement, which comprises a flexible main tube body, wherein the air inlet end of the flexible main tube body is connected with a breathing joint, the air outlet end of the flexible main tube body is provided with a main opening, the inner wall of the flexible main tube body is provided with a temperature measurement pipeline, one end of the temperature measurement pipeline, which is close to the main opening, is connected with the inner wall of the flexible main tube body to form a closed end, the temperature measurement pipeline is positioned at the air inlet end and is an open end, the temperature measurement pipeline is arranged along the extending direction of the flexible main tube body, an infrared temperature measurement probe and a temperature measurement lead are arranged in the temperature measurement pipeline, the open end is provided with a temperature measurement connector, the infrared temperature measurement probe is connected with the temperature measurement connector through the temperature measurement lead, the temperature measurement end of the infrared temperature measurement probe is arranged towards the outer side of the flexible main tube body, a main air passage is arranged in the flexible main tube body, two ends of the main air passage are respectively communicated with the breathing joint and the main opening, and the temperature measurement pipeline is isolated from the main air passage.
As a preferable scheme, the surface of the temperature measuring wire is provided with scale marks, the end face of the opening end is provided with depth marks, and the scale marks move relative to the depth marks.
As an optimal scheme, the flexible main pipe body is provided with a temperature measurement fixing buckle, the temperature measurement fixing buckle is provided with a temperature measurement fixing through groove, the temperature measurement fixing through groove is in interference fit with the temperature measurement lead, and one side of the temperature measurement lead, which faces the temperature measurement lead, is provided with a lead inlet.
As a preferable scheme, 2-3 cuffs are arranged on the outer side of the flexible main pipe body, gas conduits and cuff connectors, the number of which is equal to that of the cuffs, are arranged in the flexible main pipe body, one end of each cuff is communicated with the main air passage, the other end of each cuff is communicated with one end of each gas conduit, the other end of each gas conduit extends to the outer portion of the flexible main pipe body, the other end of each tracheal conduit is connected with each cuff connector, and each cuff connector is provided with a cuff connector.
Preferably, the air outlet end of the flexible main pipe body is provided with a Murphy hole, and the Murphy hole is positioned at one side of the main opening.
As a preferable scheme, a closed forming fixed cavity is formed in the flexible main pipe body, a shaping iron wire is arranged in the forming fixed cavity, the distance between the forming fixed cavity and the breathing joint is 5cm-10cm, the shaping iron wire is arranged along the extending direction of the flexible main pipe body, and the length of the shaping iron wire is 10 cm-15 cm.
As a preferable scheme, the shaping iron wire is in a bent shape matched with the shape of a nose.
Preferably, an X-ray development line is fixed in the flexible main pipe body, and the X-ray development line is arranged along the extending direction of the flexible main pipe body.
Preferably, an antibacterial layer is arranged on the inner wall of the main air passage.
Preferably, the outer side wall of the flexible main pipe body is provided with a lubricating layer.
Compared with the prior art, the tracheal catheter for nasopharynx temperature measurement has the beneficial effects that: the air outlet end of the flexible main pipe body is inserted into the air pipe, the breathing joint is connected with the breathing machine, and the breathing joint, the flexible main pipe body and the main opening are communicated to form a main respiratory tract. The flexible main pipe body is internally provided with a main air passage, a temperature measuring pipeline is arranged in the main air passage, an infrared temperature measuring probe and a temperature measuring wire are arranged in the temperature measuring pipeline, one end of the temperature measuring wire is connected with the infrared temperature measuring probe, the temperature measuring end of the infrared temperature measuring probe faces the outer side of the flexible main pipe body, namely, points to human tissues to measure the body temperature, the other end of the temperature measuring wire is connected with a temperature measuring connector, and the temperature measuring connector is connected with a monitor through the temperature measuring connector, so that the nasopharynx temperature of a patient can be recorded in real time, and the power supply can be realized through a data connector. The advantage of using infrared temperature measurement is that the nasopharynx temperature can be measured without being clung to the nasopharynx mucous membrane of human body, and the measurement error caused by the position change of the catheter in operation is avoided. Because the one end that the temperature measurement pipeline is close to the open end is connected with the inner wall of the flexible main pipe body and forms the blind end, make temperature measurement pipeline and main air flue separate, avoid infrared temperature measurement probe to receive the pollution, the reuse of infrared temperature measurement probe of being convenient for practices thrift the resource. Because the infrared temperature measuring probe is not in direct contact with the temperature measuring part, human tissues are prevented from being polluted.
Drawings
Fig. 1 is a schematic overall structure of an embodiment of the present utility model.
Fig. 2 is an enlarged schematic view of the structure of fig. 1A according to an embodiment of the present utility model.
Fig. 3 is a schematic view of a part of the structure of an embodiment of the present utility model.
Fig. 4 is an enlarged schematic view of the structure shown in fig. 3B according to an embodiment of the present utility model.
Fig. 5 is an enlarged schematic view of the structure of fig. 3C according to an embodiment of the present utility model.
FIG. 6 is an enlarged schematic view of the structure of FIG. 3C with an infrared temperature probe installed in accordance with an embodiment of the present utility model.
In the figure:
10. a flexible main tube body; 11. a respiratory joint; 12. a main opening; 13. a main air passage; 14. a meffy hole;
20. a temperature measuring pipeline; 21. an open end; 22. a closed end; 23. an infrared temperature measurement probe; 24. a temperature measuring wire; 25. temperature measuring connector; 26. scale marks; 27. a depth mark; 28. a guide block; 29. a guide groove;
30. a temperature measurement fixing buckle; 31. a temperature measurement fixing through groove; 32. a wire inlet;
40. a cuff; 41. a cuff connector; 42. a gas conduit;
50. forming a fixed cavity; 51. shaping an iron wire;
60. x-ray development line.
Detailed Description
The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.
In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. in the present utility model are based on the orientation or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, it should be understood that the terms "connected," "fixed," and the like are used in the present utility model in a broad sense, and for example, may be fixedly connected, detachably connected, or integrated; the mechanical connection can be realized, and the welding connection can be realized; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
As shown in fig. 1 to 6, an endotracheal tube for nasopharynx temperature measurement according to a preferred embodiment of the present utility model includes a flexible main tube body 10, an air inlet end of the flexible main tube body 10 is connected with a breathing joint 11, an air outlet end of the flexible main tube body 10 is provided with a main opening 12, a temperature measurement tube 20 is formed on an inner wall of the flexible main tube body 10, one end of the temperature measurement tube 20 close to the main opening 12 is connected with an inner wall of the flexible main tube body 10 to form a closed end 22, the temperature measurement tube 20 is located at the air inlet end and is an open end 21, the temperature measurement tube 20 is arranged along an extending direction of the flexible main tube body 10, an infrared temperature measurement probe 23 and a temperature measurement wire 24 are installed in the temperature measurement tube 20, the open end 21 is provided with a temperature measurement connector 25, the infrared temperature measurement probe 23 is connected with the temperature measurement connector 25 through the temperature measurement wire 24, and the temperature measurement end of the infrared temperature measurement probe 23 is arranged towards an outer side of the flexible main tube body 10.
According to the nasopharyngeal temperature measuring tracheal catheter, the air outlet end of the flexible main pipe body 10 is inserted into the trachea, the breathing joint 11 is connected with a breathing machine, and the breathing joint 11, the flexible main pipe body 10 and the main opening 12 are communicated to form a main respiratory tract. The main air channel 13 is arranged in the flexible main pipe body 10, the temperature measuring pipeline 20 is arranged in the main air channel 13, the infrared temperature measuring probe 23 and the temperature measuring wire 24 are arranged in the temperature measuring pipeline 20, one end of the temperature measuring wire 24 is connected with the infrared temperature measuring probe 23, the temperature measuring end of the infrared temperature measuring probe 23 faces the outer side of the flexible main pipe body 10, namely, points to human tissues to measure the body temperature, the other end of the temperature measuring wire 24 is connected with the temperature measuring connector 25, and the temperature measuring connector 25 is connected with the monitor, so that the nasopharynx temperature of a patient can be recorded in real time, and the power can be supplied through the data connector. The advantage of using infrared temperature measurement is that the nasopharynx temperature can be measured without being clung to the nasopharynx mucous membrane of human body, and the measurement error caused by the position change of the catheter in operation is avoided. Because the one end of the temperature measuring pipeline 20, which is close to the opening end 21, is connected with the inner wall of the flexible main pipe body 10 to form the closed end 22, the temperature measuring pipeline 20 is isolated from the main air passage 13, the pollution of the infrared temperature measuring probe 23 is avoided, the recycling of the infrared temperature measuring probe 23 is facilitated, and the resources are saved. Because the infrared temperature measuring probe 23 is not in direct contact with the temperature measuring part, human tissues are prevented from being polluted.
As an embodiment, as shown in fig. 5 to 6, a guide groove 29 is formed in the temperature measurement pipeline 20, guide blocks 28 are respectively arranged on two sides of the temperature measurement end of the infrared temperature measurement probe 23, and the guide blocks 28 are mounted in the guide groove 29, so that the temperature measurement end of the infrared temperature measurement probe 23 is always kept towards the outer side of the flexible main pipe body 10.
Further, as shown in fig. 4, the surface of the temperature measuring wire 24 is provided with graduation marks 26, the end face of the open end 21 is provided with a depth mark 27, and the graduation marks 26 move relative to the depth mark 27. The temperature measuring connector 25 is pulled to adjust the relative position between the scale mark 26 and the depth mark 27, and the insertion depth of the extra-uterine temperature measuring probe is adjusted. More specifically, the end of the temperature measuring wire 24 connected with the infrared temperature measuring probe 23 is zero scale, and the scale value close to the end of the temperature measuring connector 25 is larger. The corresponding scale at the depth mark 27 is the insertion depth, and the temperature measuring position can be clearly determined through the arrangement of the scale mark 26 and the depth mark 27, so that the probe depth can be adjusted according to patients with different body types, and the body temperature monitoring is more individualized.
Further, as shown in fig. 4, the flexible main pipe body 10 is provided with a temperature measurement fixing buckle 30, the temperature measurement fixing buckle 30 is provided with a temperature measurement fixing through groove 31, the temperature measurement fixing through groove 31 is in interference fit with the temperature measurement wire 24, and a wire inlet 32 is formed in one side of the temperature measurement fixing buckle 30 facing the temperature measurement wire 24. The temperature measuring wire 24 is fixed by a temperature measuring fixing buckle 30. The depth of the infrared temperature measuring probe 23 is adjusted, the temperature measuring wire 24 is pushed into the temperature measuring fixing through groove 31 from the wire inlet 32, the temperature measuring fixing through groove 31 is in interference fit with the temperature measuring wire 24, and then the temperature measuring wire 24 is fixed, and the temperature measuring depth of the infrared temperature measuring probe 23 is kept.
Further, 2-3 cuffs 40 are arranged on the outer side of the flexible main tube body 10, the flexible main tube body 10 is internally provided with gas conduits 42 and cuff connectors 41, the number of the gas conduits 42 is equal to that of the cuffs 40, one end of each cuff 40 is communicated with the main air passage 13, the other end of each cuff 40 is communicated with one end of each gas conduit 42, the other end of each gas conduit 42 extends to the outside of the flexible main tube body 10, the other end of each tracheal conduit is connected with each cuff connector 41, and each cuff connector 41 is provided with a cuff interface. The flexible main tube body 10 is provided with 2-3 cuffs 40, the cuffs 40 are broken during intubation or post-intubation tracheotomy or intra-airway operation, and the other cuffs 40 can be inflated for later use, so that the risk of re-intubation is avoided. In addition, the two cuffs 40 are designed into high-capacity low-pressure cuffs 40, and can be inflated alternately for use in a long-time use process, so that certain fixed local compression time of a single air bag to airway mucosa is reduced, compression damage to the airway is reduced, the service life of the catheter is prolonged, and the indwelling time of the tracheal catheter is prolonged. The cuff connector 41 is far away from the nose of the patient, so that the nasal cavity is prevented from being pressed, the cuff connector can be used for externally connecting a syringe to inflate the cuff 40, and gas, blood, secretion and the like are prevented from leaking out of a gap between a catheter and an airway or entering the airway, so that aspiration and asphyxia are caused.
As one embodiment, as shown in FIG. 3, the cuff connector 41 is provided with an inflation level indicating bladder for knowing the proper inflation level and avoiding over or under inflation.
Further, as shown in fig. 1, the air outlet end of the flexible main pipe body 10 is provided with a mezzanine hole 14, and the mezzanine hole 14 is located at one side of the main opening 12. The meffy holes 14 increase the flexibility of the outlet end and at the same time increase the ventilation flow of the outlet end, and when the main opening 12 is blocked by the tracheal wall, ventilation can still be performed through the same, thereby improving the use safety.
Further, as shown in fig. 2, a closed molding fixing cavity 50 is formed in the flexible main pipe body 10, a shaping iron wire 51 is installed in the molding fixing cavity 50, the distance between the molding fixing cavity 50 and the breathing joint 11 is set to be 5cm-10cm, the shaping iron wire 51 is set along the extending direction of the flexible main pipe body 10, and the length of the shaping iron wire 51 is set to be 10 cm-15 cm. The shaping iron wire 51 is arranged in the shaping fixing cavity 50, so that cross infection in the using process is avoided, the breathing circuit is conveniently fixed outside the operation area, and the shaping iron wire has the advantages of convenience in fixing, reduction of compression on the nose and face, better open operation vision and high safety performance.
Further, as shown in fig. 2, the shaping wire 51 has a curved shape matching the shape of the nose. Positioning of the flexible main tube body 10 is achieved by forming the shaping wire 51 into a curved shape.
Further, as shown in fig. 1, an X-ray developing line 60 is fixed in the flexible main tube body 10, the X-ray developing line 60 is disposed along the extending direction of the flexible main tube body 10, and the X-ray developing line 60 penetrates through the tube body, so as to facilitate imaging positioning.
Further, an antibacterial layer is arranged on the inner wall of the main air channel 13. The antibacterial layer is a silver-loaded nano titanium dioxide coating, which is helpful for removing bacteria in intubated endocrine or blood.
Further, the outer side wall of the flexible main tube body 10 is provided with a lubricating layer, wherein the lubricating layer has hydrophilicity, and polyvinylpyrrolidone with good biocompatibility and hydrophilicity reduces friction between the outer surface of the cannula and the airway, and reduces damage to the airway.
As one example, as shown in figure 1, the flexible main tube body 10 is internally provided with a stainless steel spring, so that the catheter is softer, can be shaped and fixed at will according to the operation position and the rotation direction of the head of a patient, enhances the pressure resistance of the catheter, is more resistant to compression, better keeps the airway unobstructed, and avoids choking of the catheter when the catheter is folded.
In summary, the embodiment of the utility model provides an endotracheal tube for nasopharynx temperature measurement, the air outlet end of the flexible main tube body 10 is inserted into the trachea, the breathing joint 11 is connected with a breathing machine, and the breathing joint 11, the flexible main tube body 10 and the main opening 12 are communicated to form a main respiratory tract. The main air channel 13 is arranged in the flexible main pipe body 10, the temperature measuring pipeline 20 is arranged in the main air channel 13, the infrared temperature measuring probe 23 and the temperature measuring wire 24 are arranged in the temperature measuring pipeline 20, one end of the temperature measuring wire 24 is connected with the infrared temperature measuring probe 23, the temperature measuring end of the infrared temperature measuring probe 23 faces the outer side of the flexible main pipe body 10, namely, points to human tissues to measure the body temperature, the other end of the temperature measuring wire 24 is connected with the temperature measuring connector 25, and the temperature measuring connector 25 is connected with the monitor, so that the nasopharynx temperature of a patient can be recorded in real time, and the power can be supplied through the data connector. The advantage of using infrared temperature measurement is that the nasopharynx temperature can be measured without being clung to the nasopharynx mucous membrane of human body, and the measurement error caused by the position change of the catheter in operation is avoided. Because the one end of the temperature measuring pipeline 20, which is close to the opening end 21, is connected with the inner wall of the flexible main pipe body 10 to form the closed end 22, the temperature measuring pipeline 20 is isolated from the main air passage 13, the pollution of the infrared temperature measuring probe 23 is avoided, the recycling of the infrared temperature measuring probe 23 is facilitated, and the resources are saved. Because the infrared temperature measuring probe 23 is not in direct contact with the temperature measuring part, human tissues are prevented from being polluted.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present utility model, and these modifications and substitutions should also be considered as being within the scope of the present utility model.
Claims (9)
1. An endotracheal tube of nasopharynx temperature measurement, its characterized in that: including the flexible main pipe body, the inlet end of the flexible main pipe body is connected with the breathing joint, the main opening has been seted up to the end of giving vent to anger of the flexible main pipe body, the flexible main pipe body inner wall is formed with the temperature measurement pipeline, the temperature measurement pipeline be close to main open-ended one end with the inner wall connection of the flexible main pipe body forms the blind end, the temperature measurement pipeline is located the inlet end is the open end, the temperature measurement pipeline is followed the extending direction setting of the flexible main pipe body, install infrared temperature measurement probe and temperature measurement wire in the temperature measurement pipeline, the open end is equipped with the temperature measurement connector, infrared temperature measurement probe with the temperature measurement connector passes through the temperature measurement wire is connected, the temperature measurement end orientation of infrared temperature measurement probe the outside setting of the flexible main pipe body, be equipped with the main air flue in the flexible main pipe body, the both ends of main air flue respectively with the breathing joint with main opening intercommunication, the temperature measurement pipeline with the main air flue keeps apart, the surface of temperature measurement wire is equipped with the scale mark, the terminal surface of open end is the degree of depth mark removes, the scale mark is relative.
2. The nasopharyngeal thermometry endotracheal tube of claim 1, wherein: the flexible main pipe body is provided with a temperature measurement fixing buckle, the temperature measurement fixing buckle is provided with a temperature measurement fixing through groove, the temperature measurement fixing through groove is in interference fit with the temperature measurement lead, and one side of the temperature measurement lead, which faces the temperature measurement fixing buckle, is provided with a lead inlet.
3. The nasopharyngeal thermometry endotracheal tube of claim 1, wherein: the outside of the flexible main pipe body is provided with 2-3 cuffs, the flexible main pipe body is internally provided with gas conduits and cuff connectors, the number of the gas conduits is equal to that of the cuffs, one end of each cuff is communicated with the main air passage, the other end of each cuff is communicated with one end of each gas conduit, the other end of each gas conduit extends to the outside of the flexible main pipe body, the other end of each tracheal conduit is connected with each cuff connector, and each cuff connector is provided with a cuff connector.
4. The nasopharyngeal thermometry endotracheal tube of claim 1, wherein: and the air outlet end of the flexible main pipe body is provided with a Murphy hole, and the Murphy hole is positioned at one side of the main opening.
5. The nasopharyngeal thermometry endotracheal tube of claim 1, wherein: the flexible main pipe body is internally provided with a closed forming fixed cavity, a forming iron wire is arranged in the forming fixed cavity, the distance between the forming fixed cavity and the breathing joint is 5cm-10cm, the forming iron wire is arranged along the extending direction of the flexible main pipe body, and the length of the forming iron wire is 10-15cm.
6. The nasopharyngeal thermometry endotracheal tube according to claim 5, wherein: the shaping iron wire is in a curved shape matched with the shape of a nose.
7. The nasopharyngeal thermometry endotracheal tube of claim 1, wherein: x-ray development lines are fixed in the flexible main pipe body, and the X-ray development lines are arranged along the extending direction of the flexible main pipe body.
8. The nasopharyngeal thermometry endotracheal tube of claim 1, wherein: an antibacterial layer is arranged on the inner wall of the main air passage.
9. The nasopharyngeal thermometry endotracheal tube of claim 1, wherein: the outer side wall of the flexible main pipe body is provided with a lubricating layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222196293.8U CN219501759U (en) | 2022-08-19 | 2022-08-19 | Tracheal catheter for nasopharynx temperature measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222196293.8U CN219501759U (en) | 2022-08-19 | 2022-08-19 | Tracheal catheter for nasopharynx temperature measurement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219501759U true CN219501759U (en) | 2023-08-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222196293.8U Active CN219501759U (en) | 2022-08-19 | 2022-08-19 | Tracheal catheter for nasopharynx temperature measurement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219501759U (en) |
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2022
- 2022-08-19 CN CN202222196293.8U patent/CN219501759U/en active Active
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