A non-invasive ventilation mask integrated with a bronchoscope channel
By integrating the bronchoscopy channel with a non-invasive ventilation mask design, the problems of endoscope interference and repeated disassembly and assembly are solved, achieving portable and efficient ventilation-drug administration-suction operation, thus improving the efficiency and safety of bronchoscopy.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- THE FIRST AFFILIATED HOSPITAL OF FUJIAN MEDICAL UNIV
- Filing Date
- 2025-06-18
- Publication Date
- 2026-07-14
AI Technical Summary
Existing non-invasive ventilation masks cause significant interference with the bronchoscopy scope during bronchoscopy, and require repeated disassembly and reassembly of the mask for drug administration and suctioning, which affects ventilation efficiency and the clarity of the bronchoscopic field of view.
A non-invasive ventilation mask integrating a bronchoscopy channel is designed. By setting an operation hole and connection channel on the side wall of the mask body, including an extension tube, a silicone valve, a sealing cap, a secondary cavity and a flow guide baffle, the mask achieves portability during bronchoscopy and ventilation-drug administration-suction operation without removing the extension tube.
Reduce interference from the endoscope, improve the clarity of the bronchoscopic field of view, shorten the operation time, improve the portability and safety of operation, and avoid repeated disassembly and assembly of the mask.
Smart Images

Figure CN224484666U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of medical supplies technology, and specifically discloses a non-invasive ventilation mask with an integrated bronchoscopic channel. Background Technology
[0002] Painless bronchoscopy is becoming increasingly widely used in clinical practice, playing an increasingly important role in clinical diagnosis and treatment. With improvements in the structure and function of painless bronchoscopy, and in-depth research into its indications, its application scope will undoubtedly expand further. Some patients undergoing painless bronchoscopy may experience hypoxemia requiring oxygen therapy, often necessitating ventilation via a bag-valve-mask.
[0003] Chinese Patent No. CN209734717U discloses a nasal mask for bronchoscopy under non-invasive ventilation, comprising a main body and a connecting device. The connecting device includes a main tube with a bronchoscope inlet and a bronchus tube connected to a ventilator. Gas supplied by the ventilator enters the inner lumen of the main tube through the inner lumen of the bronchus tube and finally enters the breathing chamber of the main body for the patient's breathing. When it is necessary to insert a bronchoscope into the nasal cavity of a patient wearing a nasal mask to enter the bronchus for examination, the bronchoscope enters the inner lumen of the main tube through the bronchoscope inlet and then enters the breathing chamber of the main body, thereby entering the nasal cavity and the bronchus for examination. The nasal mask does not need to be removed during the examination, making it convenient to operate, and the ventilator can still supply air to the patient normally.
[0004] While the aforementioned document allows bronchoscopy to be performed without removing the mask, using the bronchoscope and the ventilator's inlet tube as the same channel causes interference between the bronchoscope and the bronchoscope, resulting in increased fogging. Furthermore, the mask still needs to be removed during suction and drug administration. Therefore, a non-invasive ventilation mask that integrates the bronchoscopy channel is needed to solve this problem. Utility Model Content
[0005] This invention proposes a non-invasive ventilation mask with an integrated bronchoscopic channel. By setting the operation hole on the side wall of the mask body, it can avoid the main ventilation channel, reduce interference with the endoscope, and allow bronchoscopic operation while maintaining ventilation. It also allows ventilation-drug administration-suction operation to be completed without removing the extension tube, and improves the clarity of the bronchoscopic field of view.
[0006] This utility model is implemented as follows: a non-invasive ventilation mask with an integrated bronchoscopic channel includes a mask body, an air inlet is provided through the outer wall of the mask body, and a connection channel is provided on the outer wall of the mask body.
[0007] The connection channel includes an operating hole that penetrates the outer wall of the mask body and is located on the side of the air inlet, a double-lip silicone valve that is fixedly connected inside the operating hole, an extension tube that is inserted into the operating hole, and a sealing cap that is threaded to the end of the extension tube.
[0008] The extension tube has a main cavity inside, and a first secondary cavity and a second secondary cavity are connected to the outside of the tube wall. The first secondary cavity is a drug delivery channel, and the second secondary cavity is a suction channel.
[0009] The inner wall of the mask body is provided with an arc-shaped flow guide baffle located above the air inlet and operation hole. The central area of the flow guide baffle is a solid plate without holes, and multiple evenly distributed conical micro-holes are opened through the two side surfaces of the flow guide baffle.
[0010] As a preferred embodiment of the non-invasive ventilation mask with integrated bronchoscopic channel of this utility model, a scale is provided on the outer wall of the end of the extension tube near the operating hole.
[0011] As a preferred embodiment of the non-invasive ventilation mask with integrated bronchoscopic channel of this utility model, a medical silicone sealing ring is provided between the inner wall of the sealing cover and the extension tube.
[0012] As a preferred embodiment of the non-invasive ventilation mask with integrated bronchoscopic channel of this utility model, a sealing plug is provided at the other end of both the first and second sub-cavities, and the sealing plug includes a self-closing silicone valve.
[0013] As a preferred embodiment of the non-invasive ventilation mask with integrated bronchoscopic channel of this utility model, the double-lip silicone valve has a double-lip cross-shaped opening structure.
[0014] As a preferred embodiment of the non-invasive ventilation mask with integrated bronchoscopic channel of this utility model, the extension tube is made of transparent medical-grade PVC material.
[0015] The beneficial effects of this utility model are:
[0016] 1. By setting the operating port on the side wall of the mask body, the main airway can be avoided, reducing interference with the endoscope. At the same time, bronchoscopic operation can be performed while maintaining ventilation. By setting the connecting channel, bronchoscopic examination can be performed while oxygenating the patient, thus achieving portability of operation.
[0017] 2. The ventilation-drug administration-suction operation can be completed without removing the extension tube through the main lumen, the first auxiliary lumen, and the second auxiliary lumen of the extension tube, avoiding repeated disassembly and assembly of the mask body and shortening the operation time for critically ill patients.
[0018] 3. The central solid plate without holes in the baffle blocks the high-speed airflow from directly spraying into the operating area, while the micro-holes ensure tidal volume and improve the clarity of the bronchoscope's field of vision. Attached Figure Description
[0019] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn to scale.
[0020] Figure 1 This is an overall structural diagram of a non-invasive ventilation mask with an integrated bronchoscopic channel according to this utility model.
[0021] Figure 2 This is a front sectional view of a non-invasive ventilation mask with an integrated bronchoscopic channel according to the present invention.
[0022] Figure 3 This is a cross-sectional view of the extension tube of this utility model.
[0023] Figure 4 This is a three-dimensional structural diagram of the extension tube of this utility model.
[0024] Figure 5 This is an internal structural diagram of a non-invasive ventilation mask with an integrated bronchoscopic channel according to this utility model.
[0025] Figure 6 This is a structural diagram of the flow guide baffle of this utility model.
[0026] The markings in the diagram are: 1. Mask body; 101. Air inlet; 2. Operation hole; 201. Double-lip silicone valve; 3. Extension tube; 301. Sealing cap; 302. Sealing plug; 303. First secondary chamber; 304. Second secondary chamber; 4. Flow guide baffle; 401. Conical flow guide micropore. Detailed Implementation
[0027] The present invention will be further described below with reference to the accompanying drawings and specific embodiments to aid in understanding its content. Unless otherwise specified, the methods used in this invention are conventional methods; the raw materials and apparatus used, unless otherwise specified, are conventional commercially available products.
[0028] Please see Figure 1-6 A non-invasive ventilation mask with integrated bronchoscopic channel includes a mask body 1, an air inlet 101 is provided through the outer wall of the mask body 1, and a connection channel is provided on the outer wall of the mask body 1.
[0029] The connection channel includes an operation hole 2 that penetrates the outer wall of the mask body 1 and is located on one side of the air inlet 101, a double-lip silicone valve 201 fixedly connected inside the operation hole 2, an extension tube 3 inserted into the operation hole 2, and a sealing cap 301 threadedly connected to the end of the extension tube 3.
[0030] The interior of the extension tube 3 forms a main cavity, and the outer side of the tube wall of the extension tube 3 is connected to a first secondary cavity 303 and a second secondary cavity 304. The first secondary cavity 303 is a drug delivery channel, and the second secondary cavity 304 is a suction channel.
[0031] The inner wall of the mask body 1 is provided with an arc-shaped flow guide baffle 4 located above the air inlet 101 and the operation hole 2. The central area of the flow guide baffle 4 is a solid plate without holes, and multiple evenly distributed conical flow guide microholes 401 are opened through the two sides of the flow guide baffle 4.
[0032] In this embodiment: by setting the operation port 2 on the side wall of the mask body 1, the main airflow channel (air inlet 101) can be avoided, reducing the interference of the endoscope. At the same time, the bronchoscopy can be performed while maintaining ventilation. By setting the connection channel, the patient can be given oxygen while the bronchoscopy is performed, which realizes the portability of the operation. The double-lip silicone valve 201 has elastic recovery force and is closed under normal conditions to ensure airtightness. When the bronchoscope is inserted into the extension tube 3, the endoscope pushes the cross opening of the double-lip silicone valve 201 to expand it and form a dynamic seal. The sealing cap 301 can prevent air leakage twice when the extension tube 3 is not in use.
[0033] Through the main lumen of the extension tube 3, the first auxiliary lumen 303 and the second auxiliary lumen 304, the ventilation-drug administration-suction operation can be completed without removing the extension tube 3, avoiding repeated disassembly and assembly of the mask body 1 and shortening the operation time for critically ill patients.
[0034] The airflow can be guided around the operating area by the baffle 4 to maintain ventilation efficiency. The central solid plate without holes blocks the high-speed airflow from directly spraying into the operating area. The drainage micro-holes 401 ensure tidal volume and improve the clarity of the bronchoscope field of view.
[0035] As a technical optimization of this utility model, a scale is provided on the outer wall of the end of the extension tube 3 near the operation hole 2.
[0036] In this embodiment, the insertion depth of the extension tube 3 can be precisely controlled by a ruler.
[0037] As a technical optimization of this utility model, a medical silicone sealing ring is provided between the inner wall of the sealing cap 301 and the extension tube 3.
[0038] In this embodiment, the silicone sealing ring provides double airtightness, and the leakage rate is reduced when the sealing cover 301 is closed.
[0039] As a technical optimization of this utility model, a sealing plug 302 is provided at the other end of the first secondary cavity 303 and the second secondary cavity 304, and the sealing plug 302 includes a self-closing silicone valve.
[0040] In this embodiment: the self-closing silicone valve closes instantly after the syringe or suction tube is removed to prevent cross-infection and ensure accurate injection of the medication, avoiding backflow.
[0041] As a technical optimization of this utility model, the double-lip silicone valve 201 has a double-lip cross opening structure.
[0042] In this embodiment: the double-lip silicone valve 201 has a double-lip cross opening structure, and the cross opening dynamically adapts to a 2.8-5.0mm diameter endoscope, while traditional round-perforation valves can only adapt to a single size.
[0043] As a technical optimization of this utility model, the extension tube 3 is made of transparent medical-grade PVC material.
[0044] In this embodiment, the extension tube 3 is made of transparent medical-grade PVC material, which allows for real-time observation of the secretion's properties, thus improving diagnostic efficiency.
[0045] The working principle and usage process of this utility model are as follows: unscrew the sealing cap 301, insert the extension tube 3 into the operation hole 2, insert the bronchoscope from the end of the extension tube 3, push it forward through the main lumen, the front end of the scope body contacts the double-lip silicone valve 201, the cross opening adaptively expands to wrap the scope body, the scope body passes through the double-lip silicone valve 201 and enters the inner cavity of the mask body 1, and then enters the patient's airway.
[0046] Through the main lumen of the extension tube 3, the first auxiliary lumen 303, and the second auxiliary lumen 304, the ventilation-drug administration-suction operation can be completed without removing the extension tube 3, avoiding repeated disassembly and assembly of the mask body 1 and shortening the operation time for critically ill patients.
[0047] In the description of this utility model, it should be understood that the terms "left", "right", "up", "down", "top", "bottom", "front", "back", "inner", "outer", "back", "middle", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0048] However, the above description is only a specific embodiment of this utility model and should not be construed as limiting the scope of implementation of this utility model. Therefore, any substitution of equivalent components or equivalent changes and modifications made in accordance with the scope of protection of this utility model should still fall within the scope of the claims of this utility model.
Claims
1. A non-invasive ventilation mask with an integrated bronchoscopic channel, comprising a mask body (1), wherein an air inlet (101) is provided through the outer wall of the mask body (1), characterized in that: The outer wall of the mask body (1) is provided with a connection channel; The connection channel includes an operation hole (2) that penetrates the outer wall of the mask body (1) and is located on one side of the air inlet (101), a double-lip silicone valve (201) fixedly connected inside the operation hole (2), an extension tube (3) inserted into the operation hole (2), and a sealing cap (301) threaded to the end of the extension tube (3). The extension tube (3) forms a main cavity inside, and the outer wall of the extension tube (3) is connected to a first secondary cavity (303) and a second secondary cavity (304). The first secondary cavity (303) is a drug delivery channel, and the second secondary cavity (304) is a suction channel. The inner wall of the mask body (1) is provided with an arc-shaped flow guide baffle (4) located above the air inlet (101) and the operation hole (2). The central area of the flow guide baffle (4) is a solid plate without holes. Multiple uniformly distributed conical flow guide microholes (401) are opened through the two sides of the flow guide baffle (4).
2. The non-invasive ventilation mask with integrated bronchoscopic channel according to claim 1, characterized in that: A scale is provided on the outer wall of the end of the extension tube (3) near the operation hole (2).
3. The non-invasive ventilation mask with integrated bronchoscopic channel according to claim 1, characterized in that: A medical silicone sealing ring is provided between the inner wall of the sealing cap (301) and the extension tube (3).
4. The non-invasive ventilation mask with integrated bronchoscopic channel according to claim 1, characterized in that: The other end of the first sub-cavity (303) and the second sub-cavity (304) is provided with a sealing plug (302), and the sealing plug (302) includes a self-closing silicone valve.
5. A non-invasive ventilation mask with an integrated bronchoscopic channel according to claim 1, characterized in that: The bilip silicone valve (201) has a bilip cross-shaped opening structure.
6. A non-invasive ventilation mask with an integrated bronchoscopic channel according to claim 1, characterized in that: The extension tube (3) is made of transparent medical-grade PVC.