Airway leakage-proof device for bronchoscope

By using a combination of an airbag and a pressure relief valve in the airway leak prevention device for bronchoscopes, the problem of gas leakage during bronchoscopic treatment was solved, and effective sealing and stable ventilation of the rigid main tube were achieved.

CN223585918UActive Publication Date: 2025-11-25YANTAI YANTAI MOUNTAIN HOSPITAL
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Patent Information

Application Number
CN202422822362.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-19
Publication Date
2025-11-25
Estimated Expiration
2034-11-19

AI Technical Summary

Technical Problem

During bronchoscopy, gas is prone to leakage in the rigid main tube, making it difficult for anesthesiologists to maintain normal ventilation for the patient.

Method used

A bronchoscope airway leak-proof device was designed, including a rigid main tube, an air bladder, an inflation tube, and a pressure limiting valve. The air bladder is inflated through the inflation tube and sealed by the pressure limiting valve to ensure that the air bladder is in close contact with the fiberoptic bronchoscope or treatment instrument to prevent air leakage.

Benefits of technology

It achieves effective sealing of the rigid main pipeline, avoids air leakage, ensures sufficient pressure inside the airbag, prevents gas leakage in a timely manner, and improves the safety and efficiency of operation.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223585918U_ABST
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Abstract

The utility model discloses an airway leak-proof device for a bronchoscope, which belongs to the technical field of medical instruments and comprises a hard main pipeline, the hard main pipeline is connected with a connecting pipe, the connecting pipe is used for being connected with a breathing machine, one end of the hard main pipeline is provided with an air bag, the air bag is installed inside the hard main pipeline, and the air bag is connected with the hard main pipeline. The sealing ring is used for sealing the hard main pipeline; a telescopic hole is formed in the air bag, and a bronchofiberscope or a treatment instrument is inserted into the telescopic hole; the air bag is communicated with an air inflation pipe, the air inflation pipe is used for inflating the air bag, and a pressure limiting valve is arranged on the air inflation pipe. The hard main pipeline can be sealed through the air bag, the air bag can be inflated at any time through the inflation pipe, enough pressure can be kept in the air bag at any time so as to seal the hard main pipeline, and the leakage-proof effect can be achieved in time.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of medical apparatus and instruments, especially relates to a trachea leakage prevention device for bronchoscope. BACKGROUND

[0002] At present, bronchoscope is a kind of medical instrument that is placed into the lower respiratory tract of patient through mouth or nose, is used for the observation, biopsy sampling, bacteriology and cytology examination of lung lobe, segment and subsegment bronchial lesion, can carry out photography, demonstration and dynamic recording by cooperating with TV system, can assist in finding early lesions, and can carry out in-vivo and in-vitro surgery such as polypus removal. It is suitable for bronchial, pulmonary disease research and postoperative examination operation.

[0003] When the respiratory medicine doctor carries out bronchoscope treatment to the patient, a hollow hard pipeline is placed in the airway through the oral cavity. The head end side port of the hard pipeline can be connected with the breathing machine for mechanical ventilation. The doctor places the bronchoscope and treatment instrument from the one end of the pipeline main port. Bronchoscope examination is to use the bronchoscope with about 0.6 centimeter diameter, after carrying out local anesthesia in the pharynx, is placed into through the oral cavity, is placed into from the nasal cavity or is placed into from the tracheal incision.

[0004] In view of the above related technology, the applicant finds that due to the large diameter of the main port, the airway cannot be completely closed during the treatment process, and gas will leak from the pipeline, which brings more challenges to the anesthesiologist to maintain normal ventilation of the patient. UTILITY MODEL CONTENT

[0005] The utility model provides a trachea leakage prevention device for bronchoscope in view of the deficiency of prior art, solve the problem of gas leakage of hard main pipeline when using in prior art.

[0006] The technical scheme for solving the above technical problem of the utility model is as follows:

[0007] A trachea leakage prevention device for bronchoscope, including hard main pipeline, the hard main pipeline is connected with connecting pipe, the connecting pipe is used for connecting breathing machine, one end of the hard main pipeline is equipped with air bag, the air bag is installed in the inside of hard main pipeline and is used for sealing hard main pipeline, air bag is equipped with telescopic hole, the telescopic hole is used for inserting bronchoscope or treatment instrument, the air bag is connected with inflation pipe, the inflation pipe is used for inflating the air bag, the inflation pipe is equipped with pressure limiting valve.

[0008] By adopting the technical scheme, before use, medical staff connects the breathing machine at the connecting pipe, during operation, directly inserts the hard main pipeline into the airway of the patient, the medical staff directly passes the bronchoscope or treatment instrument through the telescopic hole on the air bag, inflates the air bag through the inflation pipe, seals the inflation pipe through the pressure limiting valve after inflation, so that the air bag seals the hard main pipeline, and the air bag is tightly attached to the bronchoscope or treatment instrument, the sealing performance is good, and the air leakage phenomenon does not occur, so that the bronchoscope or treatment instrument can be operated and used; and the air bag can be inflated through the inflation pipe at any time, so that the air bag can maintain sufficient pressure at any time to seal the hard main pipeline, and the leakage prevention effect is achieved in time; in addition, the pressure limiting valve can not only effectively seal the inflation pipe to prevent air in the air bag from being discharged through the inflation pipe, but also prevent the pressure in the inflation pipe and the air bag from being too high to cause the air bag to be broken.

[0009] Further, the inflation pipe passes through the wall of the hard main pipeline and extends to the outside of the hard main pipeline.

[0010] By adopting the technical scheme, the inflation pipe is arranged outside the hard main pipeline, so that the inflation pipe does not affect the medical staff to pass the bronchoscope or treatment instrument through the telescopic hole on the air bag.

[0011] Further, the pressure limiting valve is arranged at the end of the inflation pipe away from the air bag and can be connected with the syringe.

[0012] By adopting the technical scheme, the medical staff can dock the syringe with the pressure limiting valve, so as to inflate the air bag through the syringe and the inflation pipe.

[0013] Further, the telescopic hole is arranged at the central position of the air bag.

[0014] By adopting the technical scheme, the telescopic hole is arranged at the central position of the air bag, so that the medical staff can pass the bronchoscope or treatment instrument through the telescopic hole at the center of the air bag.

[0015] Further, the connecting pipe is connected to the lower part of the hard main pipeline.

[0016] By adopting the technical scheme, the medical staff can connect the breathing machine at the connecting pipe.

[0017] Further, the inside of the hard main pipeline is provided with a clasp, and the air bag is clamped in the clasp.

[0018] By adopting the technical scheme, the air bag is clamped in the clasp, so that the stability of the installation of the air bag in the hard main pipeline is achieved, so as to avoid affecting the medical staff to pass the bronchoscope or treatment instrument through the telescopic hole on the air bag.

[0019] In summary, compared with the prior art, the beneficial effects of the above technical scheme are:

[0020] (1) through the inflation tube can be inflated, inflated with pressure-limiting valve can be sealed inflation tube, so that the air bag to the hard main pipeline sealing, and make the air bag closely in the bronchoscope or therapeutic instrument, good sealing, will not appear the phenomenon of air leakage;

[0021] (2) through the inflation tube can be inflated at any time, so that the air bag can keep enough pressure to seal the hard main pipeline, timely play the effect of leakage prevention;

[0022] (3) through the inflation tube through the wall of the hard main pipeline, and extends to the outside of the hard main pipeline, so that the inflation tube is placed outside the hard main pipeline, so as to avoid the inflation tube affect the medical staff through the air bag on the telescopic hole of bronchoscope or therapeutic instrument;

[0023] (4) through the pressure-limiting valve is located at the end of the inflation tube away from the air bag, and can be connected with the syringe, so that the medical staff can be connected with the syringe and the pressure-limiting valve, facilitate through the syringe and inflation tube to the air bag inflation. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is the overall structure schematic view of the embodiment 1 of the utility model;

[0025] Figure 2 It is the cross section structure schematic view of the embodiment 1 of the utility model;

[0026] Figure 3 It is the cross section structure schematic view of the embodiment 2 of the utility model.

[0027] Mark 1, the hard main pipeline; 2, connecting pipe; 3, air bag; 4, telescopic hole; 5, inflation tube; 6, pressure-limiting valve; 7, syringe; 8, snap ring. DETAILED DESCRIPTION

[0028] The following will be described in detail with reference to the accompanying drawings Figures 1-3 The principle and characteristics of the utility model are described, the examples are only used to explain the utility model, and are not used to limit the scope of the utility model.

[0029] The embodiment of the utility model discloses a bronchoscope airway leakage prevention device.

[0030] Embodiment 1

[0031] Reference Figure 1 And Figure 2The utility model provides a bronchoscope airway leak protection device, including rigid main pipeline 1, the lower part of rigid main pipeline 1 is integrally connected with connecting pipe 2, and medical staff is connected at connecting pipe 2 with breathing machine. The one end of rigid main pipeline 1 is equipped with air bag 3, and air bag 3 is inserted in the inside of rigid main pipeline 1, is used for sealing rigid main pipeline 1, so that rigid main pipeline 1 is not easy to occur gas leakage when using.

[0032] The air bag 3 is provided with an expansion hole 4, and the expansion hole 4 is used for inserting a bronchoscope or a treatment instrument. Specifically, the expansion hole 4 is arranged at the center of the air bag 3, so that the medical staff can pass the bronchoscope or the treatment instrument through the expansion hole 4 at the center of the air bag 3.

[0033] The air bag 3 is communicated with an inflation pipe 5, and the inflation pipe 5 is used for inflating the air bag 3. The air bag 3 can be inflated at any time through the inflation pipe 5, so that the air bag 3 can always maintain sufficient pressure to seal the rigid main pipeline 1 and timely achieve the leak-proof effect.

[0034] The inflation pipe 5 penetrates the wall of the rigid main pipeline 1 and extends to the outside of the rigid main pipeline 1, so that the inflation pipe 5 is arranged outside the rigid main pipeline 1 to avoid affecting the medical staff to pass the bronchoscope or the treatment instrument through the expansion hole 4 on the air bag 3.

[0035] The inflation pipe 5 is provided with a pressure limiting valve 6. After the air bag 3 is inflated through the inflation pipe 5, the pressure limiting valve 6 is used to seal the inflation pipe 5, so that the air bag 3 seals the rigid main pipeline 1 and tightly adheres to the bronchoscope or the treatment instrument, and the sealing performance is good and the air leakage phenomenon does not occur.

[0036] The pressure limiting valve 6 can effectively seal the inflation pipe 5 to prevent the air in the air bag 3 from being discharged through the inflation pipe 5, and can also prevent the pressure in the inflation pipe 5 and the air bag 3 from being too high to cause the air bag 3 to rupture. It should be noted that the structure, working principle and installation of the pressure limiting valve 6 are prior art, which will not be described here.

[0037] The pressure limiting valve 6 is installed at the end of the inflation pipe 5 away from the air bag 3 and can be connected with a syringe 7. The medical staff can connect the syringe 7 with the pressure limiting valve 6 to facilitate inflating the air bag 3 through the syringe 7 and the inflation pipe 5.

[0038] The implementation principle of the embodiment 1 is that before use, the medical staff connects the breathing machine at the connecting pipe 2, and during operation, directly inserts the hard main pipe 1 into the inside of the airway of the patient, the medical staff directly passes the bronchoscope or treatment instrument through the telescopic hole 4 on the air bag 3, inflates the air bag 3 through the inflation pipe 5, seals the inflation pipe 5 by using the pressure limiting valve 6 after inflation, so that the air bag 3 seals the hard main pipe 1, and the air bag 3 is tightly attached to the bronchoscope or treatment instrument, the sealing property is good, and the air leakage phenomenon does not occur, and the bronchoscope or treatment instrument can be operated and used; and the air bag 3 can be inflated through the inflation pipe 5 at any time, so that the air bag 3 can keep sufficient pressure at any time to seal the hard main pipe 1, and the leakage prevention effect is achieved in time.

[0039] Embodiment 2

[0040] With reference to Figure 3 The difference between the embodiment and the embodiment 1 is that the inside of the hard main pipe 1 is fixedly provided with two rings of clamping rings 8, and the air bag 3 is clamped in the two rings of clamping rings 8, so that the stability of the installation of the air bag 3 in the hard main pipe 1 is achieved, so as to avoid affecting the medical staff to pass the bronchoscope or treatment instrument through the telescopic hole 4 on the air bag 3.

[0041] The above only describes the preferred embodiments of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement, improvement and the like made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A bronchoscope airway leak-proof device, comprising a rigid main pipe (1), wherein the rigid main pipe (1) is connected to a connecting pipe (2), the connecting pipe (2) being used to connect to a ventilator, characterized in that: One end of the rigid main pipe (1) is provided with an airbag (3), which is installed inside the rigid main pipe (1) to seal the rigid main pipe (1); the airbag (3) is provided with a telescopic hole (4) for inserting a fiberoptic bronchoscope or treatment device; the airbag (3) is connected to an inflation tube (5) for inflating the airbag (3), and the inflation tube (5) is provided with a pressure limiting valve (6).

2. The airway leak-proof device for bronchoscopes according to claim 1, characterized in that: The inflation tube (5) passes through the wall of the rigid main pipe (1) and extends to the outside of the rigid main pipe (1).

3. A bronchoscope airway leak-proof device according to claim 1 or 2, characterized in that: The pressure relief valve (6) is located at the end of the inflation tube (5) away from the air bag (3) and can be connected to the syringe (7).

4. A bronchoscope airway leak-proof device according to claim 1, characterized in that: The telescopic hole (4) is located at the center of the airbag (3).

5. A bronchoscope airway leak-proof device according to claim 1, characterized in that: The connecting pipe (2) is connected to the lower part of the rigid main pipe (1).

6. A bronchoscope airway leak-proof device according to claim 1, characterized in that: The rigid main pipe (1) is provided with a retaining ring (8) inside, and the airbag (3) is engaged in the retaining ring (8).