Visual hard mirror
By designing a rigid video laryngoscope with an integrated camera and LED light source tube and an adjustable intubation connector, the applicability and operational complexity of existing video laryngoscopes in patients with difficult airways have been solved, enabling efficient and safe endotracheal intubation.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HANGZHOU WEIBO MEDICAL TECH CO LTD
- Filing Date
- 2025-05-29
- Publication Date
- 2026-04-28
AI Technical Summary
Existing video laryngoscopes are difficult to use in patients with difficult airways, and the high complexity of the procedure increases the difficulty and risk of clinical intubation.
A rigid visual endoscope was designed, comprising a tube, a cannula connector, an operating handle, and an image display. The front end of the tube integrates a camera and an LED light source. The cannula connector adopts a slidingly adjustable second-order conical angle soft rubber connector. The image display has a three-axis rotation function and one-button image recording, enabling real-time observation and data storage.
It reduces operational complexity, improves the success rate and safety of intubation, and is compatible with endotracheal tubes of different sizes and specifications, thereby enhancing the flexibility and efficiency of clinical operations.
Smart Images

Figure CN224166284U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of medical devices, and in particular to a rigid visual endoscope. Background Technology
[0002] In clinical practice, video laryngoscopes have simplified the intubation process to some extent, but existing video laryngoscopes still have limitations. Their operation involves the epiglottis and the base of the tongue, making them unsuitable for patients with difficult airways. Such patients are not uncommon in clinical practice and are a potential catastrophic event factor, as well as one of the important causes of anesthesia-related deaths.
[0003] In addition, another drawback of existing video laryngoscopes is their poor operability. The intubation process usually requires the cooperation of both hands, with the left hand holding the video laryngoscope and the right hand holding the endotracheal tube. The operator also needs to observe and operate at the same time, which undoubtedly reduces the convenience and accuracy of the operation and increases the difficulty and risk of clinical operation.
[0004] Therefore, how to develop a rigid endotracheal endoscope that can effectively reduce the difficulty of clinical intubation and be compatible with endotracheal tubes of different sizes to meet diverse clinical needs has become a technical problem that urgently needs to be solved by researchers in this field. Utility Model Content
[0005] The purpose of this invention is to provide a visual rigid endoscope that effectively reduces the difficulty of clinical intubation and is compatible with endotracheal tubes of different sizes and specifications to meet diverse clinical needs.
[0006] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:
[0007] This utility model discloses a rigid visual lens, comprising a lens tube, a tube connector, an operating handle, and an image display. The image display is detachably connected to the top of the operating handle and electrically connected to the operating handle. One end of the lens tube is fixedly connected to the bottom of the operating handle, and the other end of the lens tube integrates a camera and an LED light source. The inside of the lens tube is provided with a cable for power supply and signal transmission. The camera and the LED light source are both electrically connected to the image display through the cable.
[0008] The cannula connector includes a cannula connector body, a set screw, a soft rubber connector, and a pagoda connector. The cannula connector body has an internal cavity structure with openings at both ends, and the cavity has a variable diameter structure with a smaller top and a larger bottom. The cannula connector body is slidably fitted onto the endoscope tube. The smaller inner diameter end of the cannula connector body is adapted to the outer diameter of the endoscope tube, and the larger inner diameter end of the cannula connector body forms a gas channel with the outer wall of the endoscope tube. The pagoda connector is threaded onto the side wall of the cannula connector body and communicates with the gas channel. The set screw is threaded onto the top of the side wall of the cannula connector body, and the working end of the set screw penetrates the side wall of the cannula connector body and abuts against the outer peripheral wall of the endoscope tube. The soft rubber connector has a conical structure and is fitted onto the bottom of the cannula connector body.
[0009] Preferably, the image display includes an image display body, a soft rubber side cover, a power button, a touch screen, a lithium battery, and a circuit board. The touch screen is embedded in the front of the image display body, and the power button is embedded in the top of the image display body. An interface compartment is provided on the side wall of the image display body, and an HDMI interface, a Type-C interface, and an SD card slot are integrated and installed in the interface compartment. One end of the soft rubber side cover is fixedly connected to the edge of the interface compartment, and the other end of the soft rubber side cover has a snap-fit protrusion that cooperates with the limiting hole in the interface compartment. The soft rubber side cover can be opened and closed to cover the opening end of the interface compartment. The lithium battery and the circuit board are integrated and installed inside the image display body. The circuit board and the battery are electrically connected. The power button, touch screen, HDMI interface, Type-C interface, SD card slot, operating handle, and cable are all electrically connected to the circuit board.
[0010] Preferably, the image display further includes a video socket, which is fixedly connected to the bottom of the image display body. The top of the operating handle is provided with a video plug that matches the video socket. The mating surfaces of the video socket and the video plug are respectively provided with corresponding contact terminals. When the video socket and the video plug are plugged in, the contact terminals form a conductive path to achieve electrical connection. The cable is electrically connected to the contact terminals of the video plug, and the circuit board is electrically connected to the contact terminals of the video socket.
[0011] Preferably, a single button is embedded on the top side of the operating handle, and the single button is electrically connected to the contact terminal of the video plug.
[0012] Preferably, the bottom of the video socket is provided with a socket installation mark, and the top of the operating handle is provided with a plug installation mark that mates with the socket installation mark;
[0013] A disassembly button is provided on the side wall of the video socket, and a spring locking mechanism is provided inside the video socket to engage with the annular slot at the top of the video plug. The disassembly button is connected to the spring locking mechanism via a linkage component.
[0014] Preferably, a mounting hole is provided on the small inner diameter end side wall of the cannula connector body, and a nut insert is embedded in the mounting hole. The set screw is threadedly connected to the cannula connector body through the nut insert.
[0015] Preferably, the abutting end of the set screw is provided with a solder joint to prevent solder from falling off.
[0016] Compared with the prior art, the beneficial technical effects of this utility model are as follows:
[0017] 1) The manual bending and shaping function of the endoscope tube eliminates the need for epiglottis and tongue base manipulation using traditional video laryngoscopes, allowing direct adaptation to the patient's airway morphology, making it especially suitable for patients with difficult airways; the camera and LED light source at the end of the endoscope tube provide real-time image guidance, significantly reducing operational complexity, minimizing the risk of tissue damage, and improving the success rate of intubation.
[0018] 2) The second-order conical soft rubber connector of the intubation connector adapts to endotracheal intubation connectors with different inner diameters through elastic deformation, solving the compatibility problem of products from different manufacturers. Combined with the sliding adjustment function of the intubation connector on the endoscope tube and the anti-dislodgement design of the set screw, it can quickly match endotracheal tubes of different lengths and specifications, improving the flexibility and efficiency of clinical operation.
[0019] 3) The image display adopts an integrated portable design, integrating a three-axis rotating structure, multi-modal interface and one-button image recording function to achieve seamless connection between real-time observation and data storage during surgery; at the same time, combined with the synchronous oxygen supply channel, it continuously supplies oxygen to the patient during intubation, improving the safety of the operation. Attached Figure Description
[0020] The present invention will be further described below with reference to the accompanying drawings.
[0021] Figure 1 This is a schematic diagram of the overall structure of a visual rigid mirror according to this utility model. Figure 1 ;
[0022] Figure 2 This is a schematic diagram of the overall structure of a visual rigid mirror according to this utility model. Figure 2 ;
[0023] Figure 3 This is a schematic diagram showing the disassembled structure of the image display and the operating handle of this utility model;
[0024] Figure 4This is a schematic diagram of the connection structure between the cannula connector and the endoscope tube of this utility model;
[0025] Figure 5 This is a cross-sectional view of the connection structure between the insertion connector and the endoscope tube of this utility model.
[0026] Explanation of reference numerals in the attached diagram: 1. Lens tube; 2. Insertion tube connector; 3. Operating handle; 4. Image display; 5. Soft rubber side cover; 6. Power button; 7. Touch screen; 8. Single button; 9. Video socket; 10. Video plug; 11. Disconnect button; 12. Socket installation marker; 13. Plug installation marker; 14. Pagoda connector; 15. Insertion tube connector body; 16. Set screw; 17. Soft rubber connector; 18. Cable; 19. Nut insert; 20. Anti-soldering solder joint. Detailed Implementation
[0027] To make the technical problem to be solved, the technical solution, and the beneficial effects of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain this utility model and are not intended to limit this utility model.
[0028] like Figure 1-5 As shown, a rigid mirror includes a lens tube 1, a tube connector 2, an operating handle 3, and an image display 4. The image display 4 is detachably plugged into the top of the operating handle 3 and electrically connected to the operating handle 3. One end of the lens tube 1 is fixedly connected to the bottom of the operating handle 3, and the other end of the lens tube 1 is integrated with a camera and an LED light source. The inside of the lens tube 1 is provided with a cable 18 for power supply and signal transmission. The camera and the LED light source are both electrically connected to the image display 4 through the cable 18.
[0029] The cannula connector 2 includes a cannula connector body 15, a set screw 16, a soft rubber connector 17, and a pagoda connector 14. The interior of the cannula connector body 15 is configured as a cavity structure with openings at both ends, and the cavity has a variable diameter structure with a smaller upper diameter and a larger lower diameter. The cannula connector body 15 is slidably sleeved onto the endoscope tube 1. The smaller inner diameter end of the top of the cannula connector body 15 is adapted to the outer diameter of the endoscope tube 1. The larger inner diameter end of the bottom of the cannula connector body 15 forms a gas channel with the outer wall of the endoscope tube 1. The pagoda connector 14 is threaded onto the side wall of the cannula connector body 15 and communicates with the gas channel. The set screw 16 is threaded onto the top of the side wall of the cannula connector body 15, and the working end of the set screw 16 penetrates the side wall of the cannula connector body 15 and abuts against the outer peripheral wall of the endoscope tube 1. The soft rubber connector 17 has a conical structure and is sleeved onto the bottom of the cannula connector body 15.
[0030] Specifically, the endoscope tube 1 has a manual bending and shaping function to adapt to the shape of the patient's airway, thereby facilitating the intubation operation; the endotracheal tube is sleeved on the endoscope tube 1, and the end of the endotracheal tube is tightly sleeved and connected to the outside of the conical soft rubber connector 17 to achieve a tight connection. In addition, the tube connector body 15 can be moved and adjusted on the endoscope tube to adapt to endotracheal tubes of different lengths.
[0031] Specifically, since the inner diameter of the endotracheal tube connectors produced by different manufacturers varies, the soft rubber connector 17 adopts a two-stage conical angle structure design, with a small-angle conical surface at the lower end and a large-angle conical surface at the upper end, which can be adapted to endotracheal tube connectors produced by different manufacturers.
[0032] Specifically, the soft rubber connector 17 is fixedly connected to the bottom of the cannula connector body 15 by integral molding.
[0033] Specifically, the pagoda connector 14 is used to connect an external oxygen pipeline. The oxygen delivered by the oxygen pipeline enters the endotracheal tube through the gas channel, thereby providing oxygen to the patient during the intubation procedure.
[0034] Specifically, the image display 4 includes an image display body, a soft rubber side cover 5, a power button 6, a touch screen 7, a lithium battery, and a circuit board. The touch screen 7 is embedded in the front of the image display body, and the power button 6 is embedded in the top of the image display body. An interface compartment is provided on the side wall of the image display body, and an HDMI interface, a Type-C interface, and an SD card slot are integrated and installed in the interface compartment. One end of the soft rubber side cover 5 is fixedly connected to the edge of the interface compartment, and the other end of the soft rubber side cover 5 has a snap-fit protrusion that cooperates with the limiting hole in the interface compartment. The soft rubber side cover 5 can be opened and closed to cover the opening end of the interface compartment. The lithium battery and the circuit board are integrated and installed inside the image display body. The circuit board and the battery are electrically connected. The power button 6, the touch screen 7, the HDMI interface, the Type-C interface, the SD card slot, the operating handle 3, and the cable 18 are all electrically connected to the circuit board.
[0035] Specifically, the image display body and the video plug 10 are connected by a three-axis rotating structure, so that the operator can flexibly tilt and rotate the image display body forward and backward and horizontally according to actual needs, thereby achieving a better viewing angle and operational convenience.
[0036] Specifically, the interface compartment of the image display body integrates an HDMI interface, a Type-C interface, and an SD card slot, which are used to realize video expansion output, device charging, and data storage and transmission operations, respectively. Among them, the HDMI interface can be used to expand the image display screen to a larger screen for clearer image display; the Type-C interface provides the device with fast charging and data transmission functions, ensuring convenient power supply and data exchange during use; and the SD card slot provides users with additional data storage options, facilitating the storage of large amounts of image or video data.
[0037] Specifically, the image display 4 also includes a video socket 9, which is fixedly connected to the bottom of the image display body. The top of the operating handle 3 is provided with a video plug 10 that matches the video socket 9. The mating surfaces of the video socket 9 and the video plug 10 are respectively provided with corresponding contact terminals. When the video socket 9 and the video plug 10 are plugged in, the contact terminals form a conductive path to achieve electrical connection. The cable 18 is electrically connected to the contact terminals of the video plug 10, and the circuit board is electrically connected to the contact terminals of the video socket 9.
[0038] Specifically, a single button 8 is embedded on one side of the top of the operating handle 3, and the single button 8 is electrically connected to the contact terminal of the video plug 10.
[0039] Specifically, the bottom of the video socket 9 is provided with a socket installation mark 12, and the top of the operating handle 3 is provided with a plug installation mark 13 that cooperates with the socket installation mark 12.
[0040] A disassembly button 11 is provided on the side wall of the video socket 9. The video socket 9 is provided with a spring locking mechanism that engages with the annular slot at the top of the video plug 10. The disassembly button 11 is connected to the spring locking mechanism via a linkage component.
[0041] Specifically, the operating handle 3 adopts an ergonomic design, which can significantly improve the user's grip and ensure greater comfort and stability during operation;
[0042] Specifically, users can use a long press or a short press of button 8 to record video and take photos respectively. The operation is simple and intuitive, making it easy to quickly capture the required images or video data during use, and meet the needs of clinical recording and teaching demonstrations.
[0043] Specifically, an installation hole is provided on the small inner diameter end side wall of the cannula connector body 15, and a nut insert 19 is embedded in the installation hole. The set screw 16 is threadedly connected to the cannula connector body 15 through the nut insert 19.
[0044] Specifically, the abutting end of the set screw 16 is provided with an anti-soldering solder joint 20.
[0045] Specifically, the set screw 16 is used to fix the position of the cannula connector 2 on the endoscope tube 1. An anti-drop solder joint 20 is welded to the head end of the set screw 16. When it is necessary to adjust the position of the cannula connector 2, the set screw 16 is loosened to release the contact connection between the set screw 16 and the endoscope tube 1. The anti-drop solder joint 20 can effectively prevent the set screw 16 from falling out of the cannula connector 2, ensuring the reliability and convenience of operation.
[0046] The usage process of this utility model is as follows:
[0047] First, complete the equipment assembly and initial setup. Align the video socket 9 at the bottom of the image display 4 with the video plug 10 at the top of the operating handle 3 and plug them in to ensure electrical connection. According to the required length of the endotracheal tube, slide the tube connector 2 along the endoscope tube 1 to the target position and fix it by tightening the set screw 16 on the tube connector body 15. Then, put the endotracheal tube on the outside of the endoscope tube 1, and tightly fit the end of the endotracheal tube onto the soft rubber connector 17 at the bottom of the tube connector 2. Connect the oxygen line to the pagoda connector 14 on the side of the tube connector to establish an oxygen supply channel.
[0048] Next, turn on the device and adapt it to the patient's airway. Press and hold the power button 6 on the top of the image display 4 to turn it on. Confirm the camera image and the LED light source illumination effect through the touch screen 7. Then, according to the patient's airway shape, manually bend the front end of the endoscope tube 1 to a suitable curvature to match the patient's airway structure and provide physical guidance for the intubation operation.
[0049] Secondly, during intubation and simultaneous oxygen supply, the user holds the operating handle 3 and slowly inserts the endoscope tube 1 along the patient's mouth, adjusting the insertion path with the help of the image display 4 in real time; and during the intubation process, oxygen is input into the gas channel of the intubation connector 2 through the pagoda connector 14, and continuously supplied to the patient through the endotracheal tube, reducing the operation risk.
[0050] Then, at key operation points, the user can take a photo or record a video by short-pressing or long-pressing the single button 8 on the operating handle 3, and the data will be automatically stored to the SD card. If multiple people need to observe together, the display screen can be extended through the HDMI interface, or the device can be charged and data exported through the Type-C interface to meet the needs of clinical teaching and recording.
[0051] Finally, after the operation is completed, press the disassembly button 11 on the side wall of the video socket 9 to separate the image display 4 from the operating handle 3, and disinfect the contact parts such as the lens tube 1 and the insertion connector 2; turn off the power and fasten the soft rubber side cover 5 to protect the interface compartment, and complete the equipment storage.
[0052] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.
[0053] The embodiments described above are merely preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model. Various modifications and improvements made to the technical solutions of the present utility model by those skilled in the art without departing from the spirit of the present utility model should fall within the protection scope defined by the claims of the present utility model.
Claims
1. A rigid visual lens, characterized in that: The system includes a microscope tube (1), a cannula connector (2), an operating handle (3), and an image display (4). The image display (4) is detachably plugged into the top of the operating handle (3) and electrically connected to the operating handle (3). One end of the microscope tube (1) is fixedly connected to the bottom of the operating handle (3). The other end of the microscope tube (1) is integrated with a camera and an LED light source. The inside of the microscope tube (1) is provided with a cable (18) for power supply and signal transmission. The camera and the LED light source are both electrically connected to the image display (4) through the cable (18). The cannula connector (2) includes a cannula connector body (15), a set screw (16), a soft rubber connector (17), and a pagoda connector (14). The interior of the cannula connector body (15) is configured as a cavity structure with openings at both ends, and the cavity has a variable diameter structure with a smaller upper diameter and a larger lower diameter. The cannula connector body (15) is slidably fitted onto the endoscope tube (1). The smaller inner diameter end of the cannula connector body (15) at the top is adapted to the outer diameter of the endoscope tube (1), and the larger inner diameter end of the cannula connector body (15) at the bottom is adapted to the outer diameter of the endoscope tube (1). A gas channel is formed between the outer walls of the endoscope tube (1). The pagoda connector (14) is threaded onto the side wall of the insertion connector body (15) and communicates with the gas channel. The set screw (16) is threaded onto the top of the side wall of the insertion connector body (15), and the working end of the set screw (16) penetrates the side wall of the insertion connector body (15) and abuts against the outer peripheral wall of the endoscope tube (1). The soft rubber connector (17) is set in a conical structure and sleeved onto the bottom of the insertion connector body (15).
2. A rigid visual lens according to claim 1, characterized in that: The image display (4) includes an image display body, a soft rubber side cover (5), a power button (6), a touch screen (7), a lithium battery, and a circuit board. The touch screen (7) is embedded in the front of the image display body, and the power button (6) is embedded in the top of the image display body. An interface compartment is provided on the side wall of the image display body. An HDMI interface, a Type-C interface, and an SD card slot are integrated in the interface compartment. One end of the soft rubber side cover (5) is fixedly connected to the edge of the interface compartment. The other end of the soft rubber side cover (5) is provided with a snap-fit protrusion that matches the limiting hole in the interface compartment. The soft rubber side cover (5) can be opened and closed to cover the opening end of the interface compartment. The lithium battery and the circuit board are integrated inside the image display body. The circuit board and the battery are electrically connected. The power button (6), the touch screen (7), the HDMI interface, the Type-C interface, the SD card slot, the operating handle (3), and the cable (18) are all electrically connected to the circuit board.
3. A rigid visual lens according to claim 2, characterized in that: The image display (4) also includes a video socket (9), which is fixedly connected to the bottom of the image display body. The top of the operating handle (3) is provided with a video plug (10) that matches the video socket (9). The mating surfaces of the video socket (9) and the video plug (10) are respectively provided with corresponding contact terminals. When the video socket (9) and the video plug (10) are plugged in, the contact terminals form a conductive path to achieve electrical connection. The cable (18) is electrically connected to the contact terminals of the video plug (10), and the circuit board is electrically connected to the contact terminals of the video socket (9).
4. A rigid visual lens according to claim 3, characterized in that: A single button (8) is embedded on one side of the top of the operating handle (3), and the single button (8) is electrically connected to the contact terminal of the video plug (10).
5. A rigid visual lens according to claim 4, characterized in that: The bottom of the video socket (9) is provided with a socket installation mark (12), and the top of the operating handle (3) is provided with a plug installation mark (13) that cooperates with the socket installation mark (12). A disassembly button (11) is provided on the side wall of the video socket (9). The inside of the video socket (9) is provided with a spring locking mechanism that engages with the annular slot at the top of the video plug (10). The disassembly button (11) is connected to the spring locking mechanism via a linkage component.
6. A rigid visual lens according to claim 1, characterized in that: The small inner diameter end side wall of the insertion connector body (15) is provided with an installation hole, and a nut insert (19) is embedded in the installation hole. The set screw (16) is threadedly connected to the insertion connector body (15) through the nut insert (19).
7. A rigid visual lens according to claim 6, characterized in that: The set screw (16) has a solder joint (20) at its abutting end.