Detectable carbon dioxide supraglottic ventilation structure

Abstract

The utility model provides a kind of detectable carbon dioxide type glottis upper ventilation structure, including gastroscope bite and ventilation catheter, ventilation catheter and gastroscope bite intercommunication, ventilation catheter intercommunication has multifunctional joint, and multifunctional joint is equipped with oxygen interface, multifunctional joint is also intercommunication with CO2 sampling pipe, and oxygen interface and ventilation catheter intercommunication, CO2 sampling pipe is located in ventilation catheter.In, multifunctional joint includes inner tube and outer tube, and ventilation catheter upper end is inserted into the annular space between inner tube and outer tube and is interconnected with outer tube lower end, and inner tube upper end is connected with CO2 sampling interface, and CO2 sampling pipe is inserted from inner tube lower end and is interconnected with CO2 sampling interface.The utility model can realize oxygen supply and carbon dioxide collection simultaneously or in operation by multifunctional joint during gastroscopy, solve the problem of patient hypoxia in current painless gastroscopy diagnosis and treatment, meet the demand of effective monitoring end-tidal carbon dioxide concentration, and ventilation oxygen supply and carbon dioxide detection can be carried out without stopping gastroscopy.

Description

Technical Field

[0001] This invention belongs to the field of anesthesia technology, specifically relating to a carbon dioxide-detectable supraglottic ventilation structure. Background Technology

[0002] Painless gastroscopy allows patients to be under light anesthesia, providing a high level of comfort. Anesthesia for painless gastroscopy typically involves propofol or a combination of propofol and opioid analgesics. Propofol can suppress respiratory function, leading to transient respiratory depression and subsequently causing hypoxia in the patient. Severe hypoxia can endanger the patient's life.

[0003] Currently, the most common painless gastroscopy procedures in clinical practice involve preserving the patient's spontaneous breathing and administering oxygen via nasal cannula or endoscopic anesthesia mask. In cases of hypoxemia, the gastroscopy must be stopped and manual ventilation provided, which affects the gastroscopy procedure. Furthermore, it is often impossible to effectively monitor the end-tidal carbon dioxide concentration during the procedure. Utility Model Content

[0004] The purpose of this invention is to provide a gas ventilation structure for detecting carbon dioxide glottis, thereby overcoming the aforementioned technical problems in the prior art.

[0005] Therefore, the technical solution provided by this utility model is as follows:

[0006] A carbon dioxide-detectable supraglottic ventilation structure includes an endoscope bite and a ventilation tube. The ventilation tube is connected to the endoscope bite and has a multi-functional connector. The multi-functional connector is provided with an oxygen supply interface and is also connected to a CO2 sampling tube. The oxygen supply interface is connected to the ventilation tube, and the CO2 sampling tube is located inside the ventilation tube.

[0007] The multi-functional connector includes an inner cylinder and an outer cylinder. The inner cylinder is located inside the outer cylinder and both are open at the top and bottom. The upper end of the ventilation duct is inserted into the annular space between the inner cylinder and the outer cylinder and is connected to the lower end of the outer cylinder. The oxygen supply interface is located on the outer cylinder and is connected to both. The oxygen supply interface is connected to the ventilation duct through the annular space.

[0008] The upper end of the inner cylinder is connected to a CO2 sampling interface, which extends out of the outer cylinder. The CO2 sampling tube is inserted from the lower end of the inner cylinder, and the CO2 sampling tube and the CO2 sampling interface are connected.

[0009] The gastroscopy bite includes a baffle, a mouth cover, and an elastic band. The mouth cover is located on the baffle and protrudes outward. The elastic band is connected to the baffle at both ends.

[0010] The baffle is provided with a first through hole, a second through hole and a third through hole in a horizontal sequence. The multi-functional connector is located in the first through hole. The mouth sleeve and the second through hole are in corresponding positions and communicate with each other.

[0011] The ventilation duct has a built-in steel wire that is spirally coiled and coaxial with the ventilation duct. The ventilation duct is equipped with a movable positioning device.

[0012] The outer cylinder is provided with a limiting ring.

[0013] The inner cylinder is equipped with a filter element.

[0014] The annular space between the inner and outer cylinders is partially closed, connecting the two into one, while the other half is open, allowing the upper and lower parts of the outer cylinder to connect.

[0015] The inner diameter of the CO2 sampling tube is 1mm-2mm.

[0016] The ventilation duct has an inner diameter of 5mm-8.5mm and a length of 15cm-20cm.

[0017] The second through hole is elliptical, and the size of the second through hole and the sleeve are equal.

[0018] The beneficial effects of this utility model are:

[0019] The carbon dioxide-detectable supraglottic ventilation structure provided by this utility model, through a multifunctional connector, can achieve oxygen supply and carbon dioxide collection during or during gastroscopy, solving the problem of patient hypoxia in current painless gastroscopy, meeting the need for effective monitoring of end-tidal carbon dioxide concentration, and allowing ventilation and oxygen supply and carbon dioxide detection without stopping the gastroscopy.

[0020] The ventilation duct of this invention has a steel wire inside, which can support the ventilation duct, so that the ventilation duct has both a certain degree of flexibility and a certain degree of rigidity, and can be bent as needed and used stably after being fixed. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the connection structure of the multifunctional connector and ventilation duct of this utility model;

[0022] Figure 2 This is a schematic diagram of one embodiment of the gastroscopy bite opening of this utility model;

[0023] Figure 3 yes Figure 2 Side view;

[0024] Figure 4 This is a schematic diagram of one embodiment of the oxygen supply interface of this utility model;

[0025] Figure 5 This is a bottom view of the multifunctional connector of this utility model;

[0026] Figure 6 This is a schematic diagram of the connection structure between the multifunctional connector and the CO2 sampling tube of this utility model;

[0027] Figure 7 This is a schematic diagram of the cross-section connecting the outer and inner cylinders.

[0028] In the diagram: 1. Ventilation duct; 2. CO2 sampling tube; 3. CO2 sampling interface; 4. Outer cylinder; 5. Inner cylinder; 6. Oxygen supply interface; 7. Limiting ring; 8. Movable positioning device; 9. Baffle; 10. Port sleeve; 11. Elastic band; 12. First through hole; 13. Second through hole; 14. Third through hole; 15. Multifunctional connector. Detailed Implementation

[0029] The following specific embodiments illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification.

[0030] Exemplary embodiments of the present invention are now described with reference to the accompanying drawings. However, the present invention may be embodied in many different forms and is not limited to the embodiments described herein. These embodiments are provided to fully and completely disclose the present invention and to fully convey its scope to those skilled in the art. The terminology used in the exemplary embodiments shown in the drawings is not intended to limit the present invention. In the drawings, the same units / elements are referred to by the same reference numerals.

[0031] Unless otherwise stated, the terms used herein (including technical terms) have their common meaning as understood by one of ordinary skill in the art. Furthermore, it is understood that terms defined in commonly used dictionaries should be understood to have a meaning consistent with the context of their relevant field, and not to be interpreted as having an idealized or overly formal meaning.

[0032] Example 1

[0033] This utility model provides a carbon dioxide-detectable supraglottic ventilation structure, including an endoscope bite and a ventilation tube 1. The ventilation tube 1 is connected to the endoscope bite and is connected to a multi-functional connector 15. The multi-functional connector 15 is provided with an oxygen supply interface 6 and is also connected to a CO2 sampling tube 2. The oxygen supply interface 6 is connected to the ventilation tube 1 and the CO2 sampling tube 2 is located inside the ventilation tube 1.

[0034] The carbon dioxide-detectable supraglottic ventilation structure provided by this utility model, through a multifunctional connector, can achieve oxygen supply and carbon dioxide collection during or during gastroscopy, solving the problem of patient hypoxia in current painless gastroscopy, meeting the need for effective monitoring of end-tidal carbon dioxide concentration, and allowing ventilation and oxygen supply and carbon dioxide detection without stopping the gastroscopy.

[0035] Example 2

[0036] Based on Example 1, this example provides a detectable carbon dioxide supraglottic ventilation structure, such as... Figure 1 and Figure 5 As shown, the multi-functional connector 15 includes an inner cylinder 5 and an outer cylinder 4. The inner cylinder 5 is disposed inside the outer cylinder 4 and both are open at the top and bottom. The upper end of the ventilation duct 1 is inserted into the annular space between the inner cylinder 5 and the outer cylinder 4 and is connected to the lower end of the outer cylinder 4. The oxygen supply interface 6 is disposed on the outer cylinder 4 and is connected to both. The oxygen supply interface 6 is connected to the ventilation duct 1 through the annular space.

[0037] The upper end of the inner cylinder 5 is connected to a CO2 sampling interface 3, which extends out of the outer cylinder 4. The CO2 sampling tube 2 is inserted from the lower end of the inner cylinder 5, and the CO2 sampling tube 2 and the CO2 sampling interface 3 are connected.

[0038] This invention achieves two pathways through a multi-functional connector 15: one pathway is for carbon dioxide sampling via a CO2 sampling tube 2; the other pathway is for oxygen supply interface 6 (e.g., ...). Figure 4 As shown), the outer cylinder 4 and the ventilation duct 1 are connected in sequence to achieve oxygen supply.

[0039] The oxygen supply interface 6 can be connected to the anesthesia machine's threaded tubing or oxygen inhalation tubing. Oxygen flows through the oxygen supply interface 6 to the ventilation tube 1, and then to the glottis, isolating it from the PET CO2 sampling tube 2.

[0040] Example 3

[0041] Based on Example 1, this example provides a detectable carbon dioxide supraglottic ventilation structure, such as... Figure 2 and Figure 3 As shown, the gastroscopy bite includes a baffle 9, a mouth cover 10, and an elastic band 11. The mouth cover 10 is disposed on the baffle 9 and protrudes outward. The elastic band 11 is connected to the two ends of the baffle 9.

[0042] The baffle 9 has a first through hole 12, a second through hole 13 and a third through hole 14 horizontally arranged in sequence. The multi-functional connector 15 is located in the first through hole 12. The sleeve 10 and the second through hole 13 are in corresponding positions and communicate with each other.

[0043] How to use:

[0044] First, insert one end of the CO2 sampling tube 2 into the lower end of the multi-functional connector 15 (e.g., Figure 6 (As shown), then insert the other end of the CO2 sampling tube 2 into the ventilation tube 1, so that the ventilation tube 1 and the lower end of the multi-functional connector 15 are connected, and paraffin oil is used to lubricate the ventilation tube 1.

[0045] The multi-functional connector 15 is inserted into the first through-hole 12, and then the endoscope mouthpiece is inserted. The endoscope is then inserted into the patient's stomach through the second through-hole 13 and the mouthpiece 10. After a certain depth of anesthesia is achieved, the operator gently supports the patient's chin with one hand, causing the head to tilt slightly backward, while the other hand holds the ventilation tube 1 and slowly inserts it. Under endoscopy, the insertion depth of the ventilation tube 1 is adjusted so that the tip is about 1 cm above the glottis. The ventilation tube 1 is then fixed in place, and the oxygen supply tubing is connected to it. A CO2 sampling detection tube is also connected through the CO2 sampling interface 3. The third through-hole 14 is used to suction saliva or sputum from the patient.

[0046] Example 4

[0047] Based on Example 1, this example provides a gas ventilator structure for detecting carbon dioxide. The ventilator 1 has a built-in steel wire that is spirally wound and coaxial with the ventilator 1. The ventilator 1 is provided with a movable positioning device 8.

[0048] The movable positioning device 8 has a circular structure. After the ventilation duct 1 is inserted to a suitable depth, the movable positioning device 8 is moved to perform positioning.

[0049] The ventilation duct 1 is equipped with a steel wire, which can support the ventilation duct 1, so that the ventilation duct 1 has both a certain degree of flexibility and a certain degree of rigidity, and can be bent as needed and used stably after being fixed.

[0050] Example 5

[0051] Based on Example 2, this example provides a gas ventilation structure for detecting carbon dioxide type glottis, wherein the outer cylinder 4 is provided with a limiting ring 7.

[0052] like Figure 6 As shown, the multi-functional connector 15 is fixed at the first through hole 12 of the baffle 9 of the endoscope bite by the limiting ring 7.

[0053] The inner cylinder 5 is equipped with a filter element. This filters the exhaled air, making the collected carbon dioxide concentration more accurate.

[0054] The annular space between the inner cylinder 5 and the outer cylinder 4 is partially enclosed. Figure 7The gray-filled part connects the two parts into one, while the other half is open to connect the upper and lower parts of the outer cylinder 4. The purpose is to connect the inner cylinder 5 and the outer cylinder 4 of the multi-functional connector 15 as a whole, while also ensuring the connectivity of the oxygen channel.

[0055] The inner diameter of the CO2 sampling tube 2 is 1mm-2mm.

[0056] The ventilation duct 1 has an inner diameter of 5mm-8.5mm and a length of 15cm-20cm.

[0057] The second through hole 13 is elliptical, and the second through hole 13 and the mouth sleeve 10 are of equal size. The equal size of the second through hole 13 and the mouth sleeve 10 allows the endoscope to be smoothly inserted into the second through hole 13 and the mouth sleeve 10, and the sidewalls of the second through hole 13 and the mouth sleeve 10 are smooth and unobstructed.

[0058] The ventilation tube 1 uses a super-lubricating surface modification technology, which organically combines a light water-based polymer with the surface of the front section of the ventilation tube 1. When it comes into contact with water, it forms a super-lubricating film with a friction coefficient of about 0.05. The lubrication is 10 times that of ordinary intubation tubes and is superior to the lubrication of traditional lubricating oil. The super-lubricating film has a long-lasting effect and remains in a super-lubricated state during insertion and removal, reducing the stimulation of intubation and removal and reducing friction on the endoscope tube.

[0059] The above examples are merely illustrative of this utility model and do not constitute a limitation on the scope of protection of this utility model. All designs that are the same as or similar to this utility model are within the scope of protection of this utility model.

Claims

1. A glottal ventilation structure capable of detecting carbon dioxide type, characterized in that: It includes a gastroscopy endoscope bite and a ventilation tube, the ventilation tube being connected to the gastroscopy endoscope bite and the ventilation tube being connected to a multi-functional connector, the multi-functional connector being provided with an oxygen supply interface, the multi-functional connector also being connected to a CO2 sampling tube, the oxygen supply interface being connected to the ventilation tube, and the CO2 sampling tube being located inside the ventilation tube.

2. The gas ventilator structure for detecting carbon dioxide type glottis according to claim 1, characterized in that: The multi-functional connector includes an inner cylinder and an outer cylinder. The inner cylinder is located inside the outer cylinder and both are open at the top and bottom. The upper end of the ventilation duct is inserted into the annular space between the inner cylinder and the outer cylinder and is connected to the lower end of the outer cylinder. The oxygen supply interface is located on the outer cylinder and is connected to both. The oxygen supply interface is connected to the ventilation duct through the annular space. The upper end of the inner cylinder is connected to a CO2 sampling interface, which extends out of the outer cylinder. The CO2 sampling tube is inserted from the lower end of the inner cylinder, and the CO2 sampling tube and the CO2 sampling interface are connected.

3. The gas ventilation structure for detecting carbon dioxide type glottis according to claim 1, characterized in that: The gastroscopy bite includes a baffle, a mouth cover, and an elastic band. The mouth cover is located on the baffle and protrudes outward. The elastic band is connected to the baffle at both ends. The baffle is provided with a first through hole, a second through hole and a third through hole in a horizontal sequence. The multi-functional connector is located in the first through hole. The mouth sleeve and the second through hole are in corresponding positions and communicate with each other.

4. The gas ventilator structure for detecting carbon dioxide type glottis according to claim 1, characterized in that: The ventilation duct has a built-in steel wire that is spirally coiled and coaxial with the ventilation duct. The ventilation duct is equipped with a movable positioning device.

5. The gas ventilator structure for detecting carbon dioxide type glottis according to claim 2, characterized in that: The outer cylinder is provided with a limiting ring.

6. The gas ventilator structure for detecting carbon dioxide type glottis according to claim 2, characterized in that: The inner cylinder is equipped with a filter element.

7. A detection-type glottic ventilation structure according to claim 2, characterized in that: The annular space between the inner and outer cylinders is partially closed, connecting the two into one, while the other half is open, allowing the upper and lower parts of the outer cylinder to connect.

8. A carbon dioxide-detectable supraglottic ventilation structure according to any one of claims 1-7, characterized in that: The inner diameter of the CO2 sampling tube is 1mm-2mm.

9. A carbon dioxide-detectable supraglottic ventilation structure according to any one of claims 1-7, characterized in that: The ventilation duct has an inner diameter of 5mm-8.5mm and a length of 15cm-20cm.

10. A carbon dioxide-detectable glottic ventilation structure according to claim 3, characterized in that: The second through hole is elliptical, and the size of the second through hole and the sleeve are equal.

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