CN218304900U - Nasopharynx and larynx passage - Google Patents
Nasopharynx and larynx passage Download PDFInfo
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- CN218304900U CN218304900U CN202221453861.1U CN202221453861U CN218304900U CN 218304900 U CN218304900 U CN 218304900U CN 202221453861 U CN202221453861 U CN 202221453861U CN 218304900 U CN218304900 U CN 218304900U
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Abstract
The utility model discloses a nasopharynx and larynx passageway for breathe monitoring field, including main air passage, P ET CO 2 The monitoring device comprises a monitoring catheter and an external joint, wherein the external joint is inserted at the top end of the main air duct and is used for connecting the main air duct and the oxygen inhalation device; p ET CO 2 The monitoring conduit is an independent channel protruding from the outer wall of the main airway, and P ET CO 2 The outer wall of the monitoring catheter is connected with the outer wall of the main airway into a whole so as to facilitate P ET CO 2 The appearance of the joint of the monitoring conduit and the main air duct is smooth; p ET CO 2 The top end of the monitoring catheter is provided with an external interface P for connecting with an external end-expiratory carbon dioxide monitoring device ET CO 2 The bottom end of the monitoring catheter is higher thanThe main airway is near the glottic end of the glottis. P ET CO 2 The monitoring conduit is independently arranged outside the main air passage, thereby realizing P pairs ET CO 2 The continuous and stable detection is realized, and the monitoring accuracy is improved.
Description
Technical Field
The utility model relates to a breathe monitoring technology field, more specifically say, relate to a nasopharynx larynx passageway.
Background
Compared with the oropharyngeal and laryngeal channels, the nasopharyngeal and laryngeal channels can be more deeply placed to the position close to the glottis, and along with the development of medical comfort, the nasopharyngeal and laryngeal channels are widely applied to perioperative anesthesia and painless diagnosis and treatment.
In painless diagnosis and treatment, compared with the observation of the change of blood oxygen saturation SpO2, the method monitors the carbon dioxide P at the end of expiration ET CO 2 Can more rapidly and sensitively identify respiratory depression, is favorable for solving problems in time and avoids the occurrence of series complications such as oxygen deficiency of patients.
At present, P of the nasopharyngeal larynx passage ET CO 2 The monitoring catheter is mostly arranged in the main airway, so that the monitoring catheter is used for monitoring especially when the respiration of a patient is inhibited and high-flow oxygen inhalation is needed, and the monitoring catheter is P ET CO 2 The monitoring is greatly influenced by the oxygen flow, so that the monitoring is not timely and inaccurate. At the same time, P ET CO 2 The monitoring catheter is arranged in the main airway, is easily blocked by secretion, causes monitoring interruption, and needs to be removed when the secretion is sucked through the main airway ET CO 2 The monitoring catheter has complex operation and increases the workload of clinical nursing.
In summary, how to realize P ET CO 2 The continuous, stable and accurate monitoring is a problem to be solved urgently by the technical personnel in the field at present.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention provides a nasopharyngeal throat channel, P ET CO 2 The monitoring conduit is independently arranged outside the main air passage, thereby realizing P pairs ET CO 2 The continuous and stable detection is realized, and the monitoring accuracy is improved.
In order to achieve the above object, the present invention provides the following technical solutions:
a nasopharynx and larynx passage comprises a main airway and a P channel ET CO 2 The monitoring catheter comprises a monitoring catheter and an external joint, wherein the external joint is inserted and connected to the top end of the main air duct and is used for connecting the main air duct and the oxygen inhalation device;
P ET CO 2 the monitoring conduit is an independent channel protruding from the outer wall of the main airway, and P ET CO 2 The outer wall of the monitoring catheter is connected with the outer wall of the main airway into a whole so as to facilitate P ET CO 2 The appearance of the joint of the monitoring catheter and the main air duct is smooth;
P ET CO 2 the top end of the monitoring catheter is provided with an external interface P for connecting with an external end-expiratory carbon dioxide monitoring device ET CO 2 The bottom end of the monitoring conduit is higher than the glottic end of the main airway near the glottis.
Preferably, the external joint is T-shaped, the external joint comprises a vertical interface, a horizontal interface and at least one sealing piston, and the sealing piston is detachably connected with the vertical interface or the horizontal interface;
the axis of the vertical interface is parallel to the axis of the upper part of the main air duct, and the horizontal interface is vertical to the axis of the upper part of the main air duct.
Preferably, the center of the sealing piston is provided with a mounting hole for mounting a sputum suction tube or a bronchofiberscope and a sealing cover (311) for sealing the mounting hole, and the sealing cover (311) is connected with the sealing piston through a connecting wire.
Preferably, the glottic end of the main airway is provided with a bevel opening, and the bevel opening is oriented opposite to the extending direction of the horizontal interface, so that the orientation of the bevel opening is indicated by the orientation of the horizontal interface.
Preferably, the outer wall of the main airway is provided with a plurality of marked lines for indicating the depth of the main airway in the body.
The utility model provides a nasopharyngeal larynx passageway, P ET CO 2 The monitoring catheter is independently arranged outside the main airway, thereby avoiding the obstruction of P by endocrine in the main airway ET CO 2 The monitoring catheter is not easily influenced by oxygen flow, the monitoring result is more accurate, and P can be continuously monitored when oxygen is supplied at high flow ET CO 2 Realize to P ET CO 2 Continuous stability monitoring.
Meanwhile, when sputum suction and other treatments are carried out, P does not need to be added ET CO 2 The monitoring catheter is moved out of the main airway, thereby ensuring the P-pair ET CO 2 The continuous and stable monitoring can be realized, and the workload of clinical care is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic structural view of an embodiment of the nasopharyngeal larynx channel provided in the present invention;
fig. 2 is a schematic top view of a sealing piston.
In fig. 1-2:
1 is a main air passage, 11 is an inclined opening, and 2 is P ET CO 2 The monitoring conduit 21 is an external interface, the monitoring conduit 3 is an external joint, the monitoring conduit 31 is a sealing piston, the monitoring conduit 311 is a sealing cover, the monitoring conduit 32 is a horizontal interface, and the monitoring conduit 33 is a vertical interface.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The core of the utility model is to provide a nasopharyngeal larynx passage, P ET CO 2 The monitoring conduit is independently arranged outside the main air passage, thereby realizing P pairs ET CO 2 The continuous and stable detection is realized, and the monitoring accuracy is improved.
Referring to fig. 1-2, fig. 1 is a schematic structural view of an embodiment of the nasopharyngolaryngeal passage provided by the present invention; fig. 2 is a schematic top view of a sealing piston.
The utility model provides a nasopharynx and larynx passage, which comprises a main airway 1 and a main airway P ET CO 2 The oxygen inhalation device comprises a monitoring conduit 2 and an external joint 3, wherein the external joint 3 is inserted at the top end of the main air duct 1, and the external joint 3 is used for connecting the main air duct 1 and the oxygen inhalation device;
P ET CO 2 the monitoring conduit 2 is a single conduit protruding from the outer wall of the main air passage 1A vertical passage of P ET CO 2 The outer wall of the monitoring catheter 2 is integrated with the outer wall of the main airway 1 so as to be P ET CO 2 The appearance of the joint of the monitoring conduit 2 and the main air duct 1 is smooth;
P ET CO 2 the top end of the monitoring catheter 2 is provided with an external interface 21 used for being connected with an external expired carbon dioxide monitoring device ET CO 2 The bottom end of the monitoring tube 2 is higher than the glottic end of the main airway 1 near the glottis.
Referring to fig. 1, the main airway 1 is a main oxygen therapy/ventilation channel, and is placed near the glottis of a patient during use, one end of the main airway 1 near the glottis is a glottis end, the glottis end of the main airway 1 is provided with an oblique opening 11, and the oblique opening 11 faces the glottis of the patient so as to improve the oxygen supply efficiency of the patient; the top end of the main air duct 1 far away from the glottis is provided with an external joint 3, and the external joint 3 can be connected with an external oxygen inhalation device and the like so as to facilitate the clinical nursing operations of oxygen therapy, sputum aspiration and the like for patients.
Preferably, a plurality of marked lines for indicating the depth of the main airway 1 in the body are arranged on the outer wall of the main airway 1, and the insertion depth of the nasopharyngeal and laryngeal channels can be judged in an auxiliary manner through the exposed number of the marked lines. The specific number and the spacing of the marked lines are determined according to actual use requirements, and are not described in detail herein.
P ET CO 2 The monitoring catheter 2 is connected with an external end-expiratory carbon dioxide monitoring device such as an anesthesia respirator and a monitor through an external interface 21 and is used for monitoring P of a patient ET CO 2 So as to rapidly and sensitively identify the respiratory depression and avoid the series of complications such as anoxia and the like of the patient.
To avoid oxygen flux pairs P in the main airway 1 ET CO 2 Influence of (A) P ET CO 2 The monitoring conduit 2 is independently arranged on the outer wall of the main air duct 1; in order to place the nasopharyngolaryngeal tract smoothly and reduce trauma to the patient, P ET CO 2 The outer wall of the monitoring catheter 2 is connected with the outer wall of the main airway 1 into a whole so that P is ET CO 2 The connecting part of the monitoring conduit 2 and the main air duct 1 is excessively gentle and smooth in appearance, and P is avoided ET CO 2 Monitoring catheter 2 tooProtruding from the outer wall of the main air duct 1.
Main airways 1 and P ET CO 2 The monitoring catheter 2 is generally provided as a cylindrical channel, in order to reduce P ET CO 2 The monitoring catheter 2 is excessively protruded, and a main air passage 1 and a main air passage P can be arranged ET CO 2 The wall surface of the region where the monitoring pipe 2 contacts is depressed inward.
P ET CO 2 The bottom end of the monitoring tube 2 is higher than the glottic end of the main airway 1 in order to accurately identify P ET CO 2 While reducing the interference of oxygen flow and avoiding secretion entering and blocking P ET CO 2 The catheter 2 is monitored.
Due to the large amount of water vapor, P, contained in the exhaled air of the patient ET CO 2 Monitoring the end segment, i.e. P, of the catheter 2 ET CO 2 The monitoring catheter 2 is provided with a water absorbing member for absorbing water at a portion of the top end thereof near the external interface 21, and the specific structure and size of the water absorbing member are determined according to actual treatment requirements by referring to the prior art, and are not described herein again.
To avoid the connection of the external joint 3 of the main air duct 1 with the joint P ET CO 2 The external interface 21 of the monitoring conduit 2 interferes with each other, and the distance from the interface of the external interface 3 of the main air duct 1 to the external interface 21 of the P monitoring conduit 2 is reasonably set.
Main airways 1 and P ET CO 2 The material, shape and size of the monitoring catheter 2 are determined according to the actual treatment needs by referring to the prior art, and are not described in detail herein.
The external joint 3 is inserted at the top end of the main air duct 1 and is used for connecting the main air duct 1 with external oxygen inhalation devices and other therapeutic instruments. The external joint 3 is usually formed by injection molding of hard plastics, and the specific material of the external joint 3 is determined according to the actual treatment needs by referring to the prior art, which is not described herein again.
In this embodiment, P ET CO 2 The monitoring catheter 2 is independently arranged outside the main air passage 1, thereby avoiding the incretion in the main air passage 1 from blocking P ET CO 2 The monitoring catheter 2 is not easily influenced by the oxygen flow, the monitoring result is more accurate, and the P can be continuously monitored when oxygen is supplied at high flow ET CO 2 Realize to P ET CO 2 Continuous stability monitoring of.
Meanwhile, when sputum suction and other treatments are carried out, P does not need to be added ET CO 2 The monitoring catheter 2 is moved out of the main air passage 1, thereby ensuring the P pair ET CO 2 The continuous and stable monitoring of the monitoring system also reduces the workload of clinical nursing.
On the basis of the above embodiment, in order to perform sputum aspiration operation on a patient while inhaling oxygen, the external connector 3 may be set to be T-shaped, the external connector 3 includes a vertical interface 33, a horizontal interface 32 and at least one sealing piston 31, and the sealing piston 31 is detachably connected to the vertical interface 33 or the horizontal interface 32; the vertical port 33 has an axis parallel to the axis of the upper part of the main airway 1, and the horizontal port 32 is perpendicular to the axis of the upper part of the main airway 1.
Note that, the upper portion of the main air duct 1 herein refers to a portion of the main air duct 1 away from the glottic end.
The vertical interface 33 and the horizontal interface 32 can be collectively referred to as interfaces, the interfaces can be used for communicating with the joints of oxygen inhalation devices such as a breathing bag and an anesthesia respirator, and can also be used for placing a sputum suction tube of a bronchofiberscope or a sputum aspirator, and the specific shapes and sizes of the two interfaces are determined according to the shapes and sizes of the interfaces of the oxygen inhalation devices, the sputum aspirators and other therapeutic instruments matched with the two interfaces in the actual treatment process, and are not described again.
The interface of the external joint 3 is usually made of hard plastics so as to facilitate the connection of the interface and the external therapeutic apparatus; the insertion end of the external joint 3 for inserting into the main air duct 1 is often provided as a hose so as to be better inserted into the main air duct 1.
Preferably, the insertion end may be a tapered insertion opening with a decreasing diameter, so that the external connector 3 can be inserted into the main air duct 1 more easily.
The sealing piston 31 is used for being plugged into the vertical interface 33 or the horizontal interface 32 so as to seal the interface when the interface is not used; referring to fig. 1, in order to prevent the sealing piston 31 from being lost, the sealing piston 31 may be connected to the outer wall of the outer joint 3 by a connecting wire.
In order to prevent the sputum aspirator or bronchofiberscope from shaking in the interface, it is preferable that a mounting hole for mounting the sputum aspirator or bronchofiberscope and a sealing cover 311 for sealing the mounting hole are provided at the center of the sealing piston 31, and the sealing cover 311 is connected to the sealing piston 31 through a connecting wire.
Taking the bronchofiberscope as an example, when the bronchofiberscope is put into the device, the sealing cover 311 of the sealing piston 31 is taken down, the bronchofiberscope is inserted into the mounting hole of the sealing piston 31, the mounting hole can limit the bronchofiberscope, the bronchofiberscope is prevented from shaking in the interface of the outer joint 3, and the sealing piston 31 can ensure the sealing performance of the outer joint 3 when the bronchofiberscope is put into the device.
In this embodiment, the external connector 3 is provided with two interfaces, and the external connector 3 can be simultaneously connected with the oxygen inhalation device and the sputum aspirator/bronchofiberscope, and the operations such as oxygen therapy and sputum aspiration of the patient are completed simultaneously, so that the oxygen deficiency symptom of the patient is avoided being aggravated by oxygen-cut operation.
Since the beveled mouth 11 of the main airway tube 1 is inserted into the patient, it is difficult to determine whether the beveled mouth 11 is aligned with the glottis of the patient during the operation, which results in a decrease in the efficiency of oxygen supply.
Preferably, the bevel 11 of the main airway 1 may be oriented opposite to the extension of the horizontal interface 32, so that the orientation of the bevel 11 is indicated by the orientation of the horizontal interface 32.
Therefore, the orientation of the horizontal interface 32 can indicate the orientation of the beveled opening 11 of the main airway 1, ensure that the beveled opening 11 is aligned with the glottis, facilitate the improvement of the oxygen supply efficiency, avoid the interference on the operation in the nostril at the other side of the patient, and improve the accuracy and the safety of the clinical work.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The nasopharynx and larynx passage provided by the utility model is introduced in detail. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (5)
1. A nasopharynx and larynx passage is characterized in that the nasopharynx and larynx passage comprises a main airway (1) and a P channel ET CO 2 The oxygen inhalation device comprises a monitoring catheter (2) and an external joint (3), wherein the external joint (3) is inserted at the top end of the main air duct (1), and the external joint (3) is used for connecting the main air duct (1) and the oxygen inhalation device;
the P is ET CO 2 The monitoring conduit (2) is an independent channel protruding from the outer wall of the main airway (1), and the P is ET CO 2 The outer wall of the monitoring catheter (2) is connected with the outer wall of the main air duct (1) into a whole so as to facilitate the P ET CO 2 The appearance of the joint of the monitoring conduit (2) and the main air duct (1) is smooth;
the P is ET CO 2 The top end of the monitoring catheter (2) is provided with an external interface (21) which is used for being connected with an external expired carbon dioxide monitoring device, and the P is ET CO 2 The bottom end of the monitoring conduit (2) is higher than the glottic end of the main airway (1) close to the glottis.
2. Nasopharyngeal throat according to claim 1, wherein the outer joint (3) is T-shaped, the outer joint (3) comprises a vertical interface (33), a horizontal interface (32) and at least one sealing piston (31), the sealing piston (31) is used for detachable connection with the vertical interface (33) or the horizontal interface (32);
the axis of the vertical joint (33) is parallel to the axis of the upper part of the main air duct (1), and the horizontal joint (32) is perpendicular to the axis of the upper part of the main air duct (1).
3. The nasopharyngeal larynx channel according to claim 2, wherein the sealing piston (31) is centrally provided with a mounting hole for mounting a sputum suction tube or a bronchofiberscope and a sealing cover (311) for sealing the mounting hole, the sealing cover (311) being connected with the sealing piston (31) by a connecting wire.
4. Nasopharyngeal larynx according to claim 2, wherein the glottic end of the main airway (1) is provided with a beveled mouth (11), the beveled mouth (11) being oriented opposite to the direction of extension of the horizontal interface (32) so as to indicate the orientation of the beveled mouth (11) by the orientation of the horizontal interface (32).
5. Nasopharyngeal-laryngeal-channel according to any one of claims 1 to 4, wherein the outer wall of the main airway (1) is provided with a number of markings for indicating the depth in the body of the main airway (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221453861.1U CN218304900U (en) | 2022-06-10 | 2022-06-10 | Nasopharynx and larynx passage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221453861.1U CN218304900U (en) | 2022-06-10 | 2022-06-10 | Nasopharynx and larynx passage |
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| Publication Number | Publication Date |
|---|---|
| CN218304900U true CN218304900U (en) | 2023-01-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221453861.1U Active CN218304900U (en) | 2022-06-10 | 2022-06-10 | Nasopharynx and larynx passage |
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| CN (1) | CN218304900U (en) |
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- 2022-06-10 CN CN202221453861.1U patent/CN218304900U/en active Active
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