Electronic endoscope with detachable insertion end

Abstract

The utility model discloses an electronic endoscope with a detachable insertion end, the insertion end comprises an image acquisition module and an endoscope tube, and the image acquisition module is arranged in the endoscope tube; the switching structure comprises a lens body and a switching wire; one end of the endoscope body is connected with the tail end of the endoscope tube, and the other end is connected with the handle; one end of the patch cord is connected to the connector through the connector; the handle comprises a handle shell, a control key, a control circuit board and a transmission cable. Through the adapter structure which can be quickly connected and detached, the insertion end can be disposable and can also be reused after sterilization, the handle, the cable and other parts behind the insertion end can be continuously used, and sterilization treatment does not need to be performed after each time of use, so that only a plurality of replaceable insertion ends need to be prepared; the burden and the cost of equipment use are effectively reduced, and safe and standard use of the electronic endoscope can be guaranteed.

Description

Technical Field

[0001] This utility model relates to the field of medical device technology, specifically to an electronic endoscope with a detachable insertion end. Background Art

[0002] With the development of minimally invasive surgical techniques, endoscopes have been used more and more widely. Electronic endoscopes are a type of endoscope with a CCD / CMOS imaging element located at the end of the lens. Compared to optical endoscopes, electronic endoscopes are relatively simple to manufacture and do not require complex optical path designs. Currently, all electronic endoscopes used clinically require sterilization before use. This means that each endoscope spends a period of time in a sterilization state and cannot be used for clinical surgery, which indirectly increases the procurement burden and subsequent maintenance costs for hospitals. Utility Model Content

[0003] In view of the shortcomings of the existing technology, the present invention aims to provide an electronic endoscope with a detachable insertion end.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] An electronic endoscope with a detachable insertion end includes an insertion end, an adapter structure, and a handle;

[0006] The insertion end includes an image acquisition module and a lens tube, wherein the image acquisition module is located inside the lens tube; the image acquisition module includes a camera module, a cable and a connector, the camera module is installed at the front end inside the lens tube, one end of the cable is connected to the camera module and the other end of the cable is connected to the connector;

[0007] The adapter structure includes a lens body and an adapter cable; one end of the lens body is connected to the tail end of the lens tube, and the other end is connected to the handle; one end of the adapter cable is connected to the connector via a connector head;

[0008] The handle includes a handle housing, control buttons, a control circuit board, and a transmission cable. The control buttons and the control circuit board are located in the handle housing. The control buttons, the other end of the adapter cable, and one end of the transmission cable are all connected to the control circuit board. The other end of the transmission cable is also connected to an external host.

[0009] As a preferred option, the endoscope tube is made of metal or flexible material.

[0010] As a preferred embodiment, the fastening ring is fixedly connected to the lens body via a set screw.

[0011] As a preferred embodiment, the adapter structure further includes a clamping ring and a fastening ring. The fastening ring is fixedly sleeved on the outside of the connection between the scope body and the scope tube. The clamping ring is located in a closed cavity formed between the front end of the inner cavity of the fastening ring and the outer wall of the tail end of the scope tube. The fastening ring exerts a squeezing effect on the clamping ring, and the clamping ring exerts a squeezing effect on the outer wall of the tail end of the scope tube.

[0012] Furthermore, the tail end of the fastening ring is threadedly connected to the mirror body.

[0013] Furthermore, the inner cavity of the fastening ring is provided with an annular groove at the front end, and the clamping ring cooperates with the annular groove.

[0014] Furthermore, the clamping ring is made of silicone or rubber.

[0015] As a preferred embodiment, the end of the endpiece tube is machined with a groove, and the endpiece body has a protrusion structure that matches the groove. When the front end of the endpiece body extends into the inner cavity of the endpiece tube, the protrusion structure is engaged in the groove.

[0016] Furthermore, the groove is arc-shaped.

[0017] The beneficial effects of this invention are as follows: This invention provides a clinically usable electronic endoscope with a detachable and replaceable insertion end through a quick-connect and disassembly adapter structure. The insertion end, as the working part for entering the human body for exploration, can be disposable or sterilized and reused. The handle, cables, and other components behind the insertion end can be used continuously without sterilization after each use. Therefore, only multiple replaceable insertion ends need to be prepared, effectively reducing the burden and cost of equipment procurement while ensuring the safe and standardized use of the electronic endoscope. Attached Figure Description

[0018] The accompanying drawings, which are included to provide a further understanding of this disclosure and form part of this disclosure, illustrate exemplary embodiments of the present disclosure and are used to explain the disclosure, but do not constitute an undue limitation of the disclosure. In the drawings:

[0019] Figure 1 This is an external schematic diagram of the electronic endoscope in an embodiment of the present invention;

[0020] Figure 2 This is a cross-sectional schematic diagram of the electronic endoscope in an embodiment of this utility model;

[0021] Figure 3 for Figure 2 A magnified view of a local location within the diagram;

[0022] Figure 4 This is a schematic diagram of the cooperation between the lens tube and the lens body in an embodiment of this utility model;

[0023] Figure 5 This is a schematic diagram showing the connection between the electronic endoscope and the external host in an embodiment of this utility model. DETAILED DESCRIPTION

[0024] The present invention will be further described below with reference to the accompanying drawings. It should be noted that this embodiment is based on the present technical solution and provides detailed implementation methods and specific operation processes, but the protection scope of the present invention is not limited to this embodiment.

[0025] This embodiment provides an electronic endoscope 100 with a detachable insertion end, such as... Figure 1-5 As shown, it includes an insertion end 1, an adapter structure 2, and a handle 3. The insertion end 1 is a replaceable part, the adapter structure 2 is used to connect / disconnect the insertion end 1, and the handle 3 is the control part.

[0026] The insertion end 1 includes an image acquisition module and a lens tube 4. The image acquisition module is located inside the lens tube 4. The image acquisition module includes a camera module 5, a cable 6, and a connector 7. The camera module 5 is installed at the front end inside the lens tube 4. One end of the cable 6 is connected to the camera module 5 and is used to transmit control signals and power to the camera module 5. The other end of the cable 6 is connected to the connector 7.

[0027] It should be noted that the connector can be either a male or female connector, but a male connector is preferred as it can improve the lifespan of the adapter cable. The camera module 5 generally consists of an image acquisition system and an LED light source system, and can be a 2K, 4K, or 3D module.

[0028] In this embodiment, the lens tube 4 can be a metal tube, such as a 316 stainless steel tube or a nickel-titanium tube, or it can be designed as a flexible lens tube as needed, such as being made of PEEK or other materials. In this embodiment, the lens tube 4 is a metal tube.

[0029] In this embodiment, the endoscope tube 4 needs to have a contaminated area reserved. The sterilization area can be covered with a sterilization bag to continuously ensure the sterility of the product. The contaminated area is for the installation of the insertion end. After the insertion end is installed, the sterilization bag in the sterilization area can be removed before clinical use. Due to the division of the contaminated and sterilized areas, the length of the electronic endoscope in this embodiment may be slightly longer than that of a traditional endoscope.

[0030] The adapter structure 2 includes a microscope body 8, a clamping ring 9, a fastening ring 10, a set screw 11, and an adapter line 12. One end of the microscope body 8 is connected to the tail end of the microscope tube 4, and the other end is connected to the handle 3; it is the core component of the adapter structure. The fastening ring 10 is fitted onto the outside of the connection between the microscope body 8 and the microscope tube 4 and is fixedly connected to the microscope body 8 by the set screw 11 to prevent the fastening ring from loosening. The clamping ring 9 is located in a closed cavity formed between the front end of the inner cavity of the fastening ring 10 and the outer wall of the tail end of the microscope tube 4. The fastening ring 10 exerts a squeezing effect on the clamping ring 9, and the clamping ring 9 exerts a squeezing effect on the outer wall of the tail end of the microscope tube 4. As the fastening ring tightens, the squeezing effect of the fastening ring on the clamping ring increases, causing the clamping ring to lock onto the microscope tube. The cooperation between the fastening ring and the clamping ring not only provides better fastening but also provides a sealing effect. The adapter cable 12 is used to transmit electrical and control signals from the handle 3 to the insertion end 1, and one end of it is connected to the connector 7 via the connector head 13.

[0031] Specifically, in this embodiment, the tail end of the fastening ring 10 is threadedly connected to the mirror body 8.

[0032] Specifically, in this embodiment, the tail end of the lens tube 4 is machined with a groove 19, and the lens body 8 has a protrusion structure 20 that cooperates with the groove 19. As the front end of the lens body 8 extends into the inner cavity of the tail end of the lens tube 4, the protrusion structure 20 engages with the groove 19. The cooperation of the protrusion structure and the groove achieves the limiting of the lens tube 4 and the lens body 8. As a more preferred solution, the groove 19 is arc-shaped. After the front end of the lens body 8 extends into the inner cavity of the tail end of the lens tube 4, the protrusion structure 20 can be rotated to move along the arc-shaped groove 19 from the tail end to the front end of the groove 19, thus effectively preventing the lens body 8 and the lens tube 4 from detaching from each other.

[0033] In this embodiment, the protrusion 20 of the lens body 8 can be flush with the outer surface of the lens tube 4 or slightly higher than the outer surface of the lens tube 4 after it is inserted into the groove 19 of the lens tube 4.

[0034] In this embodiment, the front end of the inner cavity of the fastening ring 10 is provided with an annular groove, and the clamping ring 9 mates with the annular groove. The fit between the clamping ring and the fastening ring should be designed to prevent rotational loosening as much as possible.

[0035] In this embodiment, the clamping ring 9 can be made of materials such as silicone or rubber, and has a certain amount of compression. After deformation, it can better hold the endoscope tube.

[0036] It should be noted that the size of the connector 7 of the image acquisition module and the connector head 13 of the adapter cable 12 should be as small as possible so that they can be easily accommodated by the lens tube 4. At the same time, the connector 7 and the connector head 13 should be easy to plug and unplug, reliable in connection, and durable.

[0037] As a preferred solution, to facilitate tightening of the fastening ring, the fastening ring 10 can be made into a hexagonal shape or other shapes or forms that are easy to operate.

[0038] The handle 3 includes a handle housing 14, a control button 15, a control circuit board 16, and a transmission cable 17. The control button 15 and the control circuit board 16 are located on the handle housing 14. The other end of the control button 15, the adapter cable 12, and one end of the transmission cable 17 are all connected to the control circuit board 16. The other end of the transmission cable 17 is also connected to an external host 18 for transmitting the image signal acquired by the image acquisition module to the external host 18 for processing.

[0039] The above-mentioned electronic endoscope is used as follows:

[0040] First, place the clamping ring 9 into the annular groove at the front end of the inner cavity of the fastening ring 10. Then, place the assembled clamping ring 10 and fastening ring 9 onto the outside of the tail end of the lens tube 4, exposing the groove on the lens tube 4. After connecting the connector 7 of the image acquisition module and the connector 13 of the adapter cable 12, place the connected connector 7 and connector 13 into the inside of the lens tube 4. Then, screw the front end of the lens body 8 into the tail end of the lens tube 4, ensuring that the protrusion 20 on the lens body 8 fits well with the groove 19 on the lens tube 4. Finally, screw the fastening ring 10 onto the screw of the lens body 8. When tightening the screws, it is important to note that the direction of the groove 19 must be consistent with the tightening direction of the fastening ring 10. After the fastening ring 10 is tightened to the scope body 8, the clamping ring 9 and the surrounding parts have an interference fit, which can play a sealing role. At the same time, the clamping ring 9 will tightly hold the scope tube 4 after being compressed. In this way, the compression of the clamping ring 9 and the tightening of the fastening ring 10 in the same direction can ensure a firm connection between the scope tube 4 and the scope body 8. Finally, use two set screws 11 to fix the fastening ring 10 and the scope body 8 together to prevent the threaded connection from loosening. When it is necessary to remove the insertion end, the reverse operation steps are used, thus realizing quick connection / removal of the insertion end. The insertion end can be disposable or reusable. It should be noted that because the tail end of the scope tube is open, in order to meet the requirements of some sterilization methods, the tail end of the scope tube needs to be sealed during sterilization. This can be done by using a rubber plug. Some sterilization methods do not require sealing the tail end of the scope tube. After a certain number of connection / disconnection operations, the clamping ring may wear out and need to be replaced to maintain sealing and connection stability. Different product functions can be achieved by changing different insertion ends, or to adapt to different clinical use environments.

[0041] For those skilled in the art, various corresponding changes and modifications can be made based on the above technical solutions and concepts, and all such changes and modifications should be included within the protection scope of the claims of this utility model.

Claims

1. An electronic endoscope with a detachable insertion end, characterized in that, Includes the insertion end, adapter structure, and handle; The insertion end includes an image acquisition module and a lens tube, wherein the image acquisition module is located inside the lens tube; the image acquisition module includes a camera module, a cable and a connector, the camera module is installed at the front end inside the lens tube, one end of the cable is connected to the camera module and the other end of the cable is connected to the connector; The adapter structure includes a lens body and an adapter cable; one end of the lens body is connected to the tail end of the lens tube, and the other end is connected to the handle; one end of the adapter cable is connected to the connector via a connector head; The handle includes a handle housing, control buttons, a control circuit board, and a transmission cable. The control buttons and the control circuit board are located in the handle housing. The control buttons, the other end of the adapter cable, and one end of the transmission cable are all connected to the control circuit board. The other end of the transmission cable is also connected to an external host.

2. The electronic endoscope according to claim 1, characterized in that, The endoscope tube is made of metal or flexible material.

3. The electronic endoscope according to claim 1, characterized in that, The adapter structure also includes a clamping ring and a fastening ring. The fastening ring is fixedly sleeved on the outside of the connection between the scope body and the scope tube. The clamping ring is located in a closed cavity formed between the front end of the inner cavity of the fastening ring and the outer wall of the tail end of the scope tube. The fastening ring exerts a squeezing effect on the clamping ring, and the clamping ring exerts a squeezing effect on the outer wall of the tail end of the scope tube.

4. The electronic endoscope according to claim 3, characterized in that, The fastening ring is fixedly connected to the mirror body by a set screw.

5. The electronic endoscope according to claim 4, characterized in that, The tail end of the fastening ring is threadedly connected to the mirror body.

6. The electronic endoscope according to claim 4, characterized in that, The inner cavity of the fastening ring has an annular groove at its front end, and the clamping ring cooperates with the annular groove.

7. The electronic endoscope according to claim 4, characterized in that, The clamping ring is made of silicone or rubber.

8. The electronic endoscope according to claim 1, characterized in that, The end of the endpiece tube is machined with a groove, and the endpiece body has a protrusion structure that matches the groove. When the front end of the endpiece body extends into the inner cavity of the endpiece tube, the protrusion structure is engaged in the groove.

9. The electronic endoscope according to claim 8, characterized in that, The groove is arc-shaped.

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