CN213309595U - One-way ventilation valve for painless bronchoscopy - Google Patents
One-way ventilation valve for painless bronchoscopy Download PDFInfo
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- CN213309595U CN213309595U CN202022047652.4U CN202022047652U CN213309595U CN 213309595 U CN213309595 U CN 213309595U CN 202022047652 U CN202022047652 U CN 202022047652U CN 213309595 U CN213309595 U CN 213309595U
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Abstract
The utility model provides a one-way ventilation valve door for painless bronchoscopy, it includes the casing, the casing top is provided with gaseous leak protection device, the casing bottom is provided with the intubate interface and is used for connecting trachea cannula, a casing outside is provided with breathes the return circuit interface, breathe the return circuit interface and be used for connecting the anesthesia machine, another outside correspondence of casing is provided with breathes the terminal carbon dioxide interface. The one-way vent valve for painless bronchoscopy provided by the utility model can prevent oxygen leakage on one hand, can ensure sufficient oxygenation of a patient while completing bronchoscopy, avoid hypoxemia of the patient, monitor the concentration of expired carbon dioxide of the patient in real time, and increase the safety of examination and treatment of the patient; on the other hand, the valve is simple in structure and convenient to use, and increases the convenience of operation of the bronchoscope of a doctor.
Description
Technical Field
The utility model belongs to the technical field of the medical instrument technique and specifically relates to a one-way ventilation valve for painless bronchoscopy is related to.
Background
Under the condition of painless fiber bronchoscopy, namely general anesthesia and patient pain alleviation, a slender and soft bronchoscope is placed into the lower respiratory tract of a patient through a trachea cannula or a laryngeal mask and enters the trachea or the bronchus and the far end of the patient, imaging is performed through a display screen or a doctor directly passes through an eyepiece, the pathological changes of the trachea and the bronchus can be observed clearly, the doctor can also perform treatment and examination through a biopsy sampling structure attached to the bronchoscope, the diagnosis and treatment of lung diseases are facilitated, the etiology of many diseases can be determined, and most lung diseases can be treated effectively.
Firstly, because no special trachea cannula and/or a connecting catheter device between a laryngeal mask and a bronchofiberscope is available at present, respiratory depression is very easy to occur due to loop air leakage, when apnea or respiratory frequency and mobility are reduced or a patient holds breath, oxygen saturation can be obviously reduced, operation should be suspended at the moment, the concentration of inhaled oxygen is increased, the breathing is assisted or controlled by a mask, and when the breathing of the patient returns to normal, the oxygen saturation rises to 90% and then continues to operate, so that the difficulty in operating the bronchofiberscope of an anesthesiologist and a pneumolograph is increased; in addition, because of the absence of a special endotracheal tube and/or a connecting tube device between the laryngeal mask and the bronchofiberscope, the bronchofiberscope cannot ensure the tightness of the whole respiratory circuit when entering the airway through the trachea, and oxygen leakage may occur during the mechanical ventilation process, possibly resulting in hypoxemia of the patient.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a one-way vent valve for painless bronchoscopy, this one-way vent valve for painless bronchoscopy on the one hand can guarantee the abundant oxygenation of patient when accomplishing bronchoscopy, avoids the emergence of patient hypoxemia, can also monitor patient exhales terminal carbon dioxide concentration in real time, has increased the security that patient's inspection was treated; on the other hand, the valve is simple in structure and convenient to use, and increases the convenience of operation of the bronchoscope of a doctor.
The utility model provides a one-way ventilation valve door for painless bronchoscopy, which comprises a housin, the casing top is provided with gaseous leak protection device, the casing bottom is provided with the intubate interface that is used for connecting trachea cannula, a casing outside is provided with breathes the return circuit interface, breathe the return circuit interface and be used for connecting the anesthesia machine, another outside correspondence of casing is provided with breathes the terminal carbon dioxide interface.
Further, the gas leakage-proof device is shaped as a circular truncated cone and comprises a circular truncated cone body, a through hole for the fiber bronchoscope to pass through is formed in the top of the circular truncated cone body, four one-way valves with the same diameter are arranged at the bottom of the circular truncated cone, and the one-way valves can only be opened from outside to inside. Through setting up the one-way valve that can only open from outside to inside, gas can not flow from inside to outside, can guarantee this breather valve's leakproofness, and the patient can not take place oxygen during inspection treatment and reveal, has avoided the emergence of hypoxemia.
Further, the perforation is equal to the diameter of the bronchofiberscope, and a sealing gasket for preventing air leakage is arranged on the periphery of the perforation. The diameter of the perforation is equal to that of the bronchofiberscope, and the periphery of the perforation is provided with the sealing gasket, so that the tightness of the bronchofiberscope passing through the gas leakage-proof device can be further ensured.
Furthermore, a sealing cap is connected outside the carbon dioxide interface. Through setting up the sealing cap, when the carbon dioxide interface did not connect to breathe last carbon dioxide detection machine, sealed the carbon dioxide interface, guaranteed this breather valve's leakproofness.
Further, seal the cap and be provided with the internal thread, the carbon dioxide interface be provided with the external screw thread that the internal thread corresponds, seal the cap with the carbon dioxide interface passes through threaded connection.
Further, an interface plug matched with the carbon dioxide interface is arranged inside the sealing cap. The carbon dioxide port is plugged by using a port plug.
Further, the outer surface of the cannula interface is provided with a plurality of layers of annular threads. By arranging the annular thread, the trachea cannula is connected with the cannula interface through the thread, so that on one hand, the sealing performance of the joint is improved, and the air leakage is avoided; on the other hand, the trachea cannula is prevented from falling off.
Furthermore, the outer diameter of the breathing circuit interface is 1.5cm, and the inner diameter of the breathing circuit interface is 1.1 cm.
Furthermore, the outer diameter of the end-expiration carbon dioxide interface is 0.6cm, and the inner diameter of the end-expiration carbon dioxide interface is 0.5 cm.
Further, the outer diameter of the cannula interface is 2.2cm, and the inner diameter of the cannula interface is 1.5 cm.
The utility model provides a one-way vent valve for painless bronchoscope inspection, this one-way vent valve for painless bronchoscope inspection on the one hand the leakproofness is good, prevents oxygen leakage, can stop the condition that takes place oxygen leakage, guarantees patient's abundant oxygenation when accomplishing bronchoscope inspection, avoids patient's hypoxemia's emergence, can also real-time supervision patient exhales end carbon dioxide concentration, has increased the security that patient's inspection was treated; on the other hand, the valve is simple in structure and convenient to use, and increases the convenience of operation of the bronchoscope of a doctor.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a one-way vent valve for painless bronchoscopy provided by the present invention;
FIG. 2 is a schematic structural view of the gas leakage preventing device provided by the present invention;
fig. 3 is a front sectional view of the sealing cap provided by the present invention;
fig. 4 is a front sectional view of the sealing cap provided by the present invention.
Description of reference numerals:
1 is a shell; 2 is a breathing circuit interface; 3 is a cannula interface, 31 is an annular thread; 4 is the end-expiratory carbon dioxide interface; 5 is a gas leakage-proof device, 51 is a one-way valve, and 52 is a perforation; the 6 is a sealing cap, the 61 is an internal thread, and the 62 is an interface plug.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1, the utility model provides a one-way ventilation valve for painless bronchoscopy, which comprises a housin 1, 1 top of casing is provided with gaseous leak protection device 5, 1 bottom of casing is provided with intubate interface 3 and is used for connecting trachea cannula, 1 outside of casing is provided with breathing circuit interface 2, breathing circuit interface 2 is used for connecting the anesthesia machine, 1 another outside of casing corresponds and is provided with exhales terminal carbon dioxide interface 4.
Particularly, 1 outside of casing is provided with breathing circuit interface 4, breathing circuit interface 4 connects the anesthesia machine, be provided with inlet channel and air outlet channel on the anesthesia machine, air outlet channel with the outlet duct is connected, the admission line with intake-tube connection, breathing circuit simultaneously with the outlet duct with intake-tube connection.
Further, the air inlet channel and the air outlet channel are controlled by valves, and when oxygen is introduced into the air inlet pipeline, the air outlet pipeline is closed; and when the outlet pipeline extracts carbon dioxide, the inlet pipeline is closed.
Furthermore, the breathing circuit interface 4 adopts national standard size, the outer diameter of the breathing circuit interface 4 is 1.5cm, and the inner diameter of the breathing circuit interface 4 is 1.1 cm.
Specifically, the gas leakage preventing means 5 is provided on the top of the housing 1, and the gas leakage preventing means 5 may be provided in any shape, such as a cube, a sphere, a circular truncated cone, etc., as long as it can pass through the bronchofiberscope and has sealability.
As shown in fig. 2, the gas leakage-proof device 5 is shaped as a circular truncated cone, and includes a circular truncated cone body, a through hole 52 for the bronchofiberscope to pass through is formed in the top of the circular truncated cone body, four one-way valves 51 with the same diameter are arranged at the bottom of the circular truncated cone, and the one-way valves 51 can only be opened from outside to inside. The one-way flap 51 opens inwardly when the bronchofiberscope passes the gas leakage preventing means 5, and the one-way flap 51 closes when the bronchofiberscope is withdrawn. Through setting up the one-way valve 51 that can only open from outside to inside, gas can not flow from inside to outside, can guarantee this breather valve's leakproofness, and the patient can not take place oxygen during inspection treatment and reveal, has avoided the emergence of hypoxemia.
Further, the perforation 52 has the same diameter as the bronchofiberscope, and a gasket for preventing air leakage is provided around the perforation 52. By making the diameter of the perforation 52 equal to that of the bronchofiberscope and providing a sealing gasket around the perforation, when the bronchofiberscope passes through the perforation 52, no gap exists between the perforations 52, and the tightness of the bronchofiberscope passing through the gas leakage preventing device 5 can be further ensured.
Specifically, the end-expiratory carbon dioxide interface 4 is connected with the carbon dioxide detector, so that the blood oxygen concentration in the body of the patient can be detected in real time, and the hypoxemia can be judged and found early.
Furthermore, a sealing cap 6 is connected outside the end-expiration carbon dioxide interface 4. Through setting up the cap 6 that seals, when exhaling last carbon dioxide interface 4 and not connect to exhale last carbon dioxide detection machine, will exhale last carbon dioxide interface 4 and seal, guarantee this breather valve's leakproofness. The sealing cap 6 can be connected with the exhaling end carbon dioxide interface 4 in any connection mode as long as the sealing cap can be firmly connected with the exhaling end carbon dioxide interface 4.
Further, the sealing cap 6 can be screwed with the end-expiration carbon dioxide interface 4 or plug the sealing cap to the end-expiration carbon dioxide interface 4.
Furthermore, the terminal carbon dioxide calling interface 4 adopts national standard size, the outer diameter of the terminal carbon dioxide calling interface 4 is 0.6cm, and the inner diameter of the terminal carbon dioxide calling interface 4 is 0.5 cm.
Referring to fig. 3, further, when the sealing cap 6 is in threaded connection with the exhale terminal carbon dioxide interface 4, the sealing cap 6 is provided with an internal thread 61, the carbon dioxide interface 4 is provided with an external thread corresponding to the internal thread 61, and the sealing cap 6 is in threaded connection with the exhale terminal carbon dioxide interface 4.
Referring to fig. 4, further, when the sealing cap 6 blocks the end-tidal carbon dioxide interface 4, an interface plug 62 adapted to the end-tidal carbon dioxide interface 4 is arranged inside the sealing cap 6. The end carbon dioxide interface 4 is plugged by using the interface plug 62.
In particular, the outer surface of the cannula hub 3 is provided with several layers of annular threads 31. By arranging the annular thread 31, the trachea cannula is connected with the cannula interface 3 through the annular thread 31, on one hand, the sealing performance of the connection part is improved, and the air leakage is avoided; on the other hand, the trachea cannula is prevented from falling off.
Further, the cannula interface 3 adopts national standard size, the cannula interface 3 external diameter is 2.2cm, the cannula interface 3 internal diameter is 1.5 cm.
The use method of the one-way ventilation valve for painless bronchoscopy comprises the following steps: will breathing return circuit interface 2 with the anesthesia machine is connected, intubate interface 3 with trachea cannula connects, trachea cannula is as for patient throat department, exhale last carbon dioxide interface 4 with the carbon dioxide detector is connected, and the bronchofiberscope passes in proper order gaseous leak protection device 5 and trachea cannula enter into patient's throat and lung and inspect the treatment. The oxygen sequentially enters the lung of the patient through the breathing circuit interface 2 and the cannula interface 3, part of the gas exhaled by the patient enters the carbon dioxide detector through the exhaling end carbon dioxide interface 4 to detect the blood oxygen concentration in the patient, and part of the gas exhaled by the patient sequentially passes through the breathing circuit interface 2 and the air outlet pipe to be discharged.
Therefore, the utility model provides a one-way vent valve for painless bronchoscopy, this one-way vent valve for painless bronchoscopy on the one hand leakproofness is good, prevents oxygen leakage, can stop the condition that takes place oxygen leakage, guarantees patient's abundant oxygenation when accomplishing bronchoscopy, avoids patient's hypoxemia's emergence, can also monitor patient exhales end carbon dioxide concentration in real time, has increased the security that patient's inspection was treated; on the other hand, the valve is simple in structure and convenient to use, and increases the convenience of operation of the bronchoscope of a doctor.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. A one-way vent valve for painless bronchoscopy, comprising: the casing, the casing top is provided with gaseous leak protection device, the casing bottom is provided with the intubate interface that is used for connecting trachea cannula, a casing outside is provided with breathing circuit interface, breathing circuit interface is used for connecting the anesthesia machine, another outside of casing corresponds and is provided with exhales last carbon dioxide interface.
2. The one-way vent valve for painless bronchoscopy according to claim 1, wherein the gas leakage prevention device is shaped as a circular truncated cone and comprises a circular truncated cone body, a through hole for a bronchofiberscope to pass through is formed in the top of the circular truncated cone body, four one-way valves with the same diameter are arranged at the bottom of the circular truncated cone, and the one-way valves can only be opened from outside to inside.
3. The one-way ventilation valve for painless bronchoscopy according to claim 2, characterized in that the perforation is equal in diameter to the bronchofiberscope, and a gasket for preventing air leakage is provided around the perforation.
4. The one-way vent valve for painless bronchoscopy according to claim 1, wherein a sealing cap is further connected to the carbon dioxide port.
5. The one-way vent valve for painless bronchoscopy according to claim 4, wherein the sealing cap is provided with an internal thread, the carbon dioxide port is provided with an external thread corresponding to the internal thread, and the sealing cap is in threaded connection with the carbon dioxide port.
6. The one-way vent valve for painless bronchoscopy according to claim 4, characterized in that an interface plug matched with the carbon dioxide interface is arranged inside the sealing cap.
7. The one-way vent valve for painless bronchoscopy according to claim 1, wherein the cannula hub outer surface is provided with a plurality of layers of annular threads.
8. The one-way vent valve for painless bronchoscopy according to claim 1, wherein the breathing circuit interface outer diameter is 1.5cm and the breathing circuit interface inner diameter is 1.1 cm.
9. The one-way vent valve for painless bronchoscopy according to claim 1, wherein the exhale end carbon dioxide port has an outer diameter of 0.6cm and the exhale end carbon dioxide port has an inner diameter of 0.5 cm.
10. The one-way vent valve for painless bronchoscopy according to claim 1, wherein the cannula hub outer diameter is 2.2cm and the cannula hub inner diameter is 1.5 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022047652.4U CN213309595U (en) | 2020-09-17 | 2020-09-17 | One-way ventilation valve for painless bronchoscopy |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022047652.4U CN213309595U (en) | 2020-09-17 | 2020-09-17 | One-way ventilation valve for painless bronchoscopy |
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| CN213309595U true CN213309595U (en) | 2021-06-01 |
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| CN202022047652.4U Active CN213309595U (en) | 2020-09-17 | 2020-09-17 | One-way ventilation valve for painless bronchoscopy |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113476711A (en) * | 2021-08-04 | 2021-10-08 | 云南省肿瘤医院(昆明医科大学第三附属医院) | Dedicated trachea cannula subassembly of bronchoscope operation |
-
2020
- 2020-09-17 CN CN202022047652.4U patent/CN213309595U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113476711A (en) * | 2021-08-04 | 2021-10-08 | 云南省肿瘤医院(昆明医科大学第三附属医院) | Dedicated trachea cannula subassembly of bronchoscope operation |
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