Novel hard bronchoscope sealing assembly

The novel rigid bronchoscope sealing assembly, designed with a double-layered loop and anti-backtracking components, solves the problems of insufficient sealing and instrument backtracking, expands the operating space, and improves surgical efficiency and safety.

CN224206810UActive Publication Date: 2026-05-08JINING NO 1 PEOPLES HOSPITAL (JINING ACAD OF MEDICAL SCI)
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JINING NO 1 PEOPLES HOSPITAL (JINING ACAD OF MEDICAL SCI)
Filing Date
2025-01-03
Publication Date
2026-05-08

AI Technical Summary

Technical Problem

Existing rigid bronchoscopes have sealing components that result in insufficient sealing, limited operating space, instrument entanglement, and backtracking during operation, affecting surgical efficiency and safety.

Method used

A novel rigid bronchoscope sealing assembly was designed, comprising a double-layered collar and an anti-backtracking component. The collar is made of soft and rigid medical-grade silicone, equipped with multi-layered sealing films and anti-backtracking films, and connected by a connecting rope to increase the operating space and prevent instrument backtracking.

Benefits of technology

It increases the operating space, reduces instrument entanglement, shortens the operation time, and enhances the stability and safety of the operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of medical instruments, in particular to a novel hard bronchoscope sealing assembly which comprises a first ferrule, a second ferrule and a third ferrule, the first ferrule, the second ferrule and the third ferrule are connected through a connecting rope, a first sealing film and a first anti-backtracking assembly are arranged in the first ferrule, and a second sealing film and a second anti-backtracking assembly are arranged in the second ferrule. A first sealing film and a second anti-backtracking assembly are arranged in the first ferrule, a first through hole allowing a medical instrument to penetrate through is formed in the first sealing film, a second sealing film and a second anti-backtracking assembly are arranged in the second ferrule, a second through hole allowing a fiberoptic bronchoscope to penetrate through is formed in the second sealing film, and a third sealing film is arranged in the third ferrule. Medical instruments are prevented from being wound, the operation time is shortened, and the operation efficiency is improved; a carbon dioxide monitoring hole channel is changed into a hole channel capable of being introduced into a medical instrument, the second ferrule and the third ferrule work separately, and the medical instrument is sealed and inserted, so that the winding probability is further reduced.
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Description

Technical Field

[0001] This utility model relates to the field of medical device technology, specifically to a novel rigid bronchoscope sealing assembly. Background Technology

[0002] Rigid bronchoscopes are widely used instruments for the diagnosis and treatment of respiratory diseases, especially in endobronchial procedures, where their importance is even more pronounced. Rigid bronchoscopes offer advantages such as high operational precision, the ability to apply greater force, and a larger operating channel, making them suitable for complex airway interventions, such as foreign body removal, tumor resection, stent placement, and dilation of airway stenosis. In the clinical application of rigid bronchoscopes, airway sealing and ventilation management are key issues. Rigid bronchoscopes have a central working channel, a ventilator access channel, a light source access channel, and a carbon dioxide monitoring channel, typically used to temporarily close the bronchoscope opening during procedures, successfully solving the problem of maintaining airway pressure and ventilation during surgery. During rigid bronchoscopy, the sealing and ventilation of these four channels is crucial; problems with channel opening and closing can cause hypoxemia. Therefore, the sealing components of the rigid bronchoscope are particularly important.

[0003] Traditional Koplik caps have an internal screw thread. When used, the Koplik cap is inserted into the port, which reduces the port's inner diameter and the operating range. This is especially problematic when multiple medical instruments (such as forceps and suction devices) need to be used simultaneously in the central working port; the lack of space makes operation difficult. When using a fiberoptic bronchoscope in conjunction with a rigid bronchoscope, the fiberoptic bronchoscope and other instruments (such as forceps) can become entangled in the central working port. This entanglement not only affects the flexibility of instrument handling but can also increase surgical time and even damage the equipment. This situation is not uncommon in practice. To avoid these problems in clinical practice, rubber gloves are used temporarily when using a fiberoptic bronchoscope with forceps. While replacing the carbon dioxide monitoring port plug, the fiberoptic bronchoscope enters through the carbon dioxide monitoring port, increasing the operating space. However, rubber gloves are not ideal for sealing, and the carbon dioxide monitoring port must be plugged when not using a fiberoptic bronchoscope, making the operation cumbersome. Furthermore, existing sealing plugs typically only have a single sealing membrane. Medical instruments pass through the round holes in the sealing membrane into the rigid bronchoscope, reaching its tip. During operation at the tip, the medical instrument tends to retract, resulting in poor stability within the rigid bronchoscope. This retraction necessitates frequent pushing of the instrument into the bronchoscope by the surgeon. Therefore, a more stable sealing component needs to be developed to ensure stable surgical procedures. Utility Model Content

[0004] To address the problems existing in the prior art, this utility model provides a novel rigid bronchoscope sealing assembly to solve the problems of maximizing the operating space while ensuring airtightness, as well as the issue of medical device traceability.

[0005] To solve the above problems, the technical solution of this utility model is as follows: A novel rigid bronchoscope sealing assembly, wherein the rigid bronchoscope has a central working channel, a ventilator access channel, a light source access channel, and a carbon dioxide monitoring channel. The sealing assembly includes a first collar fitted outside the central working channel and covering it, and a second collar and a third collar fitted outside the carbon dioxide monitoring channel and covering it. The first collar, the second collar, and the third collar are connected by a connecting rope. A first sealing membrane and a first anti-backflow component are provided inside the first collar. A first through hole for medical devices to pass through is provided on the first sealing membrane. A second sealing membrane and a second anti-backflow component are provided inside the second collar. A second through hole for a fiberoptic bronchoscope to pass through is provided on the second sealing membrane. A third sealing membrane is provided inside the third collar.

[0006] Furthermore, the first anti-backtracking component includes a first anti-backtracking film, on which a first cross-shaped through hole is provided.

[0007] Furthermore, the first sealing film is located on the outside of the first collar, and the first anti-backflow film is located inside the first collar.

[0008] Furthermore, the second anti-backtracking component includes a second anti-backtracking film, on which a second cross-shaped through hole is provided.

[0009] Furthermore, the second sealing film is located on the outside of the second collar, and the second anti-backflow film is located inside the second collar.

[0010] Furthermore, one section of the first collar is made of soft medical-grade silicone, and the other section is made of hard medical-grade silicone. The first sealing film and the first anti-backflow film are connected to the hard medical-grade silicone.

[0011] Furthermore, one section of the second ring is made of soft medical-grade silicone, and the other section is made of hard medical-grade silicone. The second sealing film and the second anti-backflow film are connected to the hard medical-grade silicone.

[0012] Furthermore, the third ring is made of soft medical-grade silicone.

[0013] Furthermore, the first collar is connected by a first connecting rope to a first plug for blocking the first through hole.

[0014] Furthermore, the second collar is connected by a second connecting rope to a second plug for blocking the second through hole.

[0015] Compared with existing technologies, this utility model has the following advantages: The first and second rings adopt a double-layer membrane structure, with the first sealing membrane blocking the medical device and the first anti-backflow membrane preventing the medical device from backflowing; the first and second rings are made of soft medical silicone for easy operation, and are fitted over the working channel of the rigid bronchoscope, with the operating space being the working channel of the rigid bronchoscope. Compared with existing technologies, this facilitates installation, expands the operating space, prevents medical device entanglement, shortens surgical time, and improves surgical efficiency; the carbon dioxide monitoring channel is changed to a channel that can transmit medical devices, and the second and third rings work separately to seal and insert the medical device, further reducing the probability of entanglement. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the rigid bronchoscope structure of this utility model;

[0018] Figure 3 This is a schematic diagram of the first set of rings of this utility model.

[0019] In the diagram: 1 First collar, 101 First sealing membrane, 1011 First through hole, 102 First anti-backflow component, 1021 First anti-backflow membrane, 1022 First cross through hole, 2 Second collar, 201 Second sealing membrane, 2011 Second through hole, 3 Third collar, 301 Third sealing membrane, 4 Connecting rope, 5 Rigid bronchoscope, 501 Central working channel, 502 Ventilator access channel, 503 Light source access channel, 504 Carbon dioxide monitoring channel, 6 First connecting rope, 7 First plug, 8 Second connecting rope, 9 Second plug. Detailed Implementation

[0020] like Figure 2 As shown, the rigid bronchoscope 5 has a central working channel 501, a ventilator access channel 502, a light source access channel 503, and a carbon dioxide monitoring channel 504.

[0021] like Figure 1 , Figure 3As shown, a novel rigid bronchoscope sealing assembly includes a first collar 1 that is fitted over and covers the central working channel 101, and a second collar 2 and a third collar 3 that are fitted over and cover the carbon dioxide monitoring port 104. The first collar 1, the second collar 2, and the third collar 3 are connected by a connecting rope 4. A first sealing membrane 101 and a first anti-backflow component 102 are provided inside the first collar 1. A first sealing membrane 101 for medical devices to pass through is provided on the first sealing membrane 101. The device has a through hole 1011, and a second sealing membrane 201 and a second anti-backflow component are provided inside the second collar 2. The second sealing membrane 201 has a second through hole 2011 for the fiberoptic bronchoscope to pass through. The first through hole 1011 and the second through hole 2011 can be round holes, which can completely wrap the medical device to prevent air leakage. A third sealing membrane 301 is provided inside the third collar 3. The third collar 3 is made of soft medical silicone. When using the carbon dioxide monitoring channel 504, the second collar 2 is used, and the third collar 3 is used when sealing is required.

[0022] like Figure 3 As shown, the first anti-backtracking component 102 includes a first anti-backtracking membrane 1021, a first cross-shaped through hole 1022 on the first anti-backtracking membrane 1021, a first sealing membrane 101 on the outside of the first collar 1, and the first anti-backtracking membrane 1021 inside the first collar 1. One section of the first collar 1 is made of soft medical silicone, and the other section is made of hard medical silicone. The first sealing membrane 101, the first anti-backtracking membrane 1021 and the hard medical silicone are connected. The first collar 1 is connected to a first plug 7 for blocking the first through hole 1011 through a first connecting rope 6.

[0023] The second anti-backflow component includes a second anti-backflow membrane with a second cross-shaped through hole. A second sealing membrane is located on the outside of the second collar, and the second anti-backflow membrane is located inside the second collar. One section of the second collar is made of soft medical silicone, and the other section is made of hard medical silicone. The second sealing membrane, the second anti-backflow membrane, and the hard medical silicone are connected. Using soft medical silicone makes it easier to install the collar outside the channel, while using hard medical silicone makes it easier to fix the sealing membrane and the anti-backflow component, resulting in a better sealing effect. The second collar 2 is connected to a second plug 9 for blocking the second through hole 2011 via a second connecting rope 8.

[0024] The first ring 1 and the second ring 2 have the same structure, the difference being that their diameters are different, adapting to the apertures of the central working channel and the carbon dioxide monitoring channel. When the medical device passes through the first through hole 1011 and the first cross through hole 1022, the first anti-backflow membrane 1021 will grip the medical device to prevent it from retracting, and the first sealing membrane 101 can seal the central working channel to ensure the normal operation of the surgery.

[0025] The above specific embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to examples, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the scope of the technical solution of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A novel rigid bronchoscope sealing assembly, wherein the rigid bronchoscope has a central working channel, a ventilator access channel, a light source access channel, and a carbon dioxide monitoring channel, characterized in that: The sealing assembly includes a first collar fitted over the central working channel and covering the central working channel, and a second collar and a third collar fitted over the carbon dioxide monitoring channel and covering the carbon dioxide monitoring channel. The first collar, the second collar, and the third collar are connected by a connecting rope. A first sealing membrane and a first anti-backflow component are provided inside the first collar. A first through hole for medical devices to pass through is provided on the first sealing membrane. A second sealing membrane and a second anti-backflow component are provided inside the second collar. A second through hole for a fiberoptic bronchoscope to pass through is provided on the second sealing membrane. A third sealing membrane is provided inside the third collar.

2. The sealing assembly according to claim 1, characterized in that: The first anti-backtracking component includes a first anti-backtracking membrane, on which a first cross-shaped through hole is provided.

3. The sealing assembly according to claim 2, characterized in that: The first sealing membrane is located on the outside of the first collar, and the first anti-backflow membrane is located inside the first collar.

4. The sealing assembly according to claim 1, characterized in that: The second anti-backtracking component includes a second anti-backtracking membrane, on which a second cross-shaped through hole is provided.

5. The sealing assembly according to claim 4, characterized in that: The second sealing membrane is located on the outside of the second collar, and the second anti-backflow membrane is located inside the second collar.

6. The sealing assembly according to claim 3, characterized in that: The first ring has one section made of soft medical silicone and the other section made of hard medical silicone. The first sealing film and the first anti-backflow film are connected to the hard medical silicone.

7. The sealing assembly according to claim 5, characterized in that: The second ring has one section made of soft medical-grade silicone and the other section made of hard medical-grade silicone. The second sealing film and the second anti-backflow film are connected to the hard medical-grade silicone.

8. The sealing assembly according to claim 1, characterized in that: The third ring is made of soft medical-grade silicone.

9. The sealing assembly according to claim 6, characterized in that: The first collar is connected by a first connecting rope to a first plug for blocking the first through hole.

10. The sealing assembly according to claim 7, characterized in that: The second collar is connected by a second connecting rope to a second plug for blocking the second through hole.