Electronic endoscope assembly and intracranial examination system
By integrating a miniature objective lens and a CMOS image sensor into a flexible mirror structure, combined with a flexible circuit board and a malleable connecting operating tube, the problem of poor freedom of angle and range of endoscopy observation is solved, realizing lightweight and flexible observation and information interaction, and improving the efficiency and safety of neurosurgery.
Patent Information
- Application Number
- CN202423137159.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-18
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2034-12-18
AI Technical Summary
Existing endoscopes are large, heavy, have poor freedom of observation angle and range, are complex, require repeated model replacements, and lack intraoperative information interaction functions.
Employing a flexible mirror structure, it integrates a miniature objective lens, a CMOS image sensor, and an LED light. Combined with a flexible circuit board and a malleable connecting operating tube, it achieves freedom in the observation angle and range, supporting information acquisition and interaction.
It achieves a lightweight and flexible observation angle and range, supports connection to multiple information carriers, simplifies the operation process, reduces surgical risks, and improves examination efficiency and reliability.
Smart Images

Figure CN223799758U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to medical instrument technical field especially, relate to a kind of electronic endoscope assembly and intracranial examination system. BACKGROUND
[0002] Endoscope is a kind of special medical instrument that can be checked or treated internal disease through natural cavity of human body or micro-crevice.With the development of microelectronic technology, electronic endoscope is more and more widely used in medical treatment.
[0003] The STORZ endoscope widely used in existing neurosurgery operation endoscope, the main structure of STORZ endoscope includes optical system (front), cold light source, image sensor and processor rear (located in handle and external device) technology, optical system front is lens end about 250mm, processor rear is handle and external device etc.;The overall structure of STORZ endoscope is larger, heavier, and the external device is more complex, because the image sensor is not limited by the lens end pipe diameter, it has the structural advantage of high definition, but its procurement cost is expensive.
[0004] The existing endoscope is hard mirror structure, which leads to poor freedom of observation angle and range, and often needs to replace different models (such as 0°, 30°, 70°, etc.) repeatedly to achieve the purpose of operation.
[0005] In addition, the existing endoscope is heavy, and it is not easy to control and fix when holding the mirror body for deep and fine operation. The technical threshold for doctors to use is high. The structure is complex, and the external device is more, which occupies a large space during operation. Information collection still relies on application of physical memory to copy and reprint, lacks independent port, and has no synchronous information interaction function in operation. UTILITY MODEL CONTENT
[0006] The utility model mainly solves the technical problems that the existing endoscope is hard mirror structure, which leads to poor freedom of observation angle and range, and often needs to replace different models repeatedly to achieve the purpose of operation, and the weight is heavy, the structure is complex, and it is inconvenient to control. An electronic endoscope assembly and intracranial examination system are provided, which adopts flexible mirror structure, can be shaped at will, has large freedom of observation angle and range, does not need to replace models repeatedly, is convenient for doctors to operate, can check patient's lesion, and improves the checking efficiency and reliability.
[0007] The utility model provides an electronic endoscope assembly, which comprises a camera module.
[0008] The camera module comprises a lens, a circuit board and a plurality of LED lamps.
[0009] The lens comprises a micro objective and a CMOS image sensor.
[0010] The micro-lens is arranged at the front end of the camera module, and a CMOS image sensor is arranged at the rear end of the micro-lens;
[0011] A plurality of LED lamps are arranged around the micro-lens;
[0012] The CMOS image sensor and the LED lamps are respectively electrically connected with a circuit board.
[0013] Preferably, the front end of the micro-lens is filled with optical glue around the periphery of the micro-lens and the plurality of LED lamps.
[0014] Preferably, the circuit board adopts an FPCBA module.
[0015] The lens and the circuit board are arranged in a PEEK terminal.
[0016] The PEEK terminal and the circuit board are filled with filling adhesive therebetween.
[0017] Preferably, the application further comprises a connecting operation tube unit.
[0018] The connecting operation tube unit comprises, from the outside to the inside, a medical heat shrink tube, a shaping tube and a plastic tube.
[0019] The medical heat shrink tube is connected to the end of the PEEK terminal.
[0020] The shaping tube and the plastic tube are connected to the end of the filling adhesive.
[0021] Preferably, the plastic tube has tightly wound spring steel wires therein, and the shaping tube has galvanized iron wires therein.
[0022] Preferably, the end of the connecting operation tube unit is provided with a laparoscope joint.
[0023] The laparoscope joint comprises a connecting operation tube joint and an adapter plate.
[0024] The connecting operation tube joint is mounted at the end of the connecting operation tube unit.
[0025] The adapter plate is arranged in the connecting operation tube joint, and the adapter plate is electrically connected with the circuit board, and the connecting line between the adapter plate and the circuit board is arranged in the plastic tube.
[0026] Preferably, the micro-lens, the CMOS image sensor and the LED lamps are all arranged obliquely.
[0027] The micro-lens and the connecting operation tube unit form an angle of 20-50°.
[0028] Correspondingly, the utility model also provides a kind of intracranial examination system, comprising: image processor, controller and the electronic endoscope assembly provided by any embodiment of the utility model;
[0029] The electronic endoscope assembly is electrically connected with the image processor.
[0030] The image processor is electrically connected with the controller, or the image processor and the controller are integrated together.
[0031] Preferably, the electronic endoscope assembly and the image processor are connected through a connection cable.
[0032] One end of the connection cable is provided with a joint outer cap, and the other end is provided with a first TYPE-C plug.
[0033] The joint outer cap is connected with the connection operation tube joint.
[0034] The first TYPE-C plug is connected with the image processor.
[0035] Preferably, the image processor comprises an image processor upper shell, a shielding upper shell, an image processing board, a shielding lower shell and an image processor lower shell.
[0036] The image processing board is arranged in the shielding upper shell and the shielding lower shell which are buckled together.
[0037] The shielding upper shell and the shielding lower shell are arranged in the image processor upper shell and the image processor lower shell which are buckled together.
[0038] Preferably, a second TYPE-C plug is arranged on the output line of the image processor, and the second TYPE-C plug is connected with the controller.
[0039] The electronic endoscope assembly and the intracranial examination system provided by the utility model have the following advantages compared with the prior art.
[0040] 1. The utility model integrates miniature objective lens, CMOS image sensor, LED lamp and circuit board in the camera module of endoscope, and integrates front-end. It is a disposable, flexible and plastic endoscope applying modern micro-lens technology, can realize visible range depth of field 3-50mm, field of view angle 80-120°, and can be applied to neurosurgery.
[0041] 2. This utility model has a simple structure and saves space. It adopts a flexible circuit board (FPCBA module) and a composite tube with a three-layer structure of malleable tube for connecting the operation tube unit. This enables the utility model to achieve a flexible mirror structure, which can be shaped at will, with a large degree of freedom in the observation angle and range. It does not require repeated model changes, and it is lightweight. Deep and delicate operations are easy to control. The structure is smooth and rounded, and the surgical risk is low. It can be seamlessly connected with surgical microscopes.
[0042] 3. The connection operation pipe and cable port configured in this utility model are flexible and can be easily connected to various information carriers and image carriers; it can be directly interconnected with network ports, making information collection and storage convenient, enabling information exchange at any time during surgery, and making intraoperative information storage and interaction simple and fast, supporting remote consultation and technical exchange.
[0043] 4. The endoscope of this invention can be fixed arbitrarily at low cost; it has a low barrier to entry for doctors, requiring only short-term training for flexible operation. The camera module of this invention features rapid iteration, conforms to Moore's Law, and boasts advantages in multiple dimensions, including high efficiency, convenience, space saving, maintenance-free operation, low technical barriers to use, low risk of use, low procurement barriers for hospitals, real-time interactive surgical information, and tolerant external ports.
[0044] 5. This utility model significantly improves performance in multiple dimensions, including a larger surgical field observation angle, operation, convenience, surgical risk, learning threshold, economy, information storage, transmission, interaction, and diversified image carriers. Attached Figure Description
[0045] Figure 1 This is a schematic diagram of the structure of the electronic endoscope assembly provided in Embodiment 1 of this utility model;
[0046] Figure 2 yes Figure 1 Sectional view of line AA in the middle;
[0047] Figure 3 yes Figure 2 An enlarged schematic diagram of the central camera module;
[0048] Figure 4 This is an exploded view of the camera module provided in Embodiment 1 of this utility model;
[0049] Figure 5 yes Figure 2 Enlarged schematic diagram of the connector section of the endoscope;
[0050] Figure 6 This is a cross-sectional view of the camera module provided in Embodiment 2 of this utility model;
[0051] Figure 7This is a schematic diagram of the intracranial examination system provided by this utility model;
[0052] Figure 8 This is an exploded view of the image processor provided by this utility model.
[0053] Reference numerals: 1. Electronic endoscope assembly; 2. Image processor; 3. Controller; 4. Connecting cable; 101. Miniature objective lens; 102. Optical adhesive; 103. LED light; 104. PEEK terminal; 105. Circuit board; 106. Filler adhesive; 107. Medical heat shrink tubing; 108. Shaping tube; 109. Plastic tube; 110. Connecting operation tube connector; 111. Adapter board; 112. CMOS image sensor; 201. Image processor upper shell; 202. Shielding upper shell; 203. Image processing board; 204. Shielding lower shell; 205. Image processor lower shell; 206. Second TYPE-C plug; 401. Connector cap; 402. First TYPE-C plug. Detailed Implementation
[0054] To make the technical problems solved by this utility model, the technical solutions adopted, and the technical effects achieved clearer, this 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 merely for explaining this utility model and not for limiting it. Furthermore, it should be noted that, for ease of description, only the parts related to this utility model are shown in the accompanying drawings, not all of them.
[0055] Example 1
[0056] like Figures 1-2 As shown in the figure, an electronic endoscope assembly provided by this utility model includes: a camera module and a connecting operation tube unit.
[0057] like Figures 3-4 As shown, the camera module includes: a lens, a circuit board 105, and multiple LED lights 103.
[0058] The lens includes a miniature objective lens 101 and a CMOS image sensor 112. The miniature objective lens 101 is positioned at the front end of the camera module, and the CMOS image sensor 112 is positioned at the rear end of the miniature objective lens 101. Multiple LED lights 103 are arranged around the miniature objective lens 101. Optical adhesive 102 is filled around the front edge of the miniature objective lens 101 and around the multiple LED lights 103. The LED lights 103 are front-facing light sources, providing illumination to the detection area in the confined space inside the human body.
[0059] The CMOS image sensor 112 and the LED lamp 103 are electrically connected with the circuit board 105 respectively. The circuit board 105 adopts an FPCBA module, and the FPCBA module is a flexible circuit board for bearing a fingerprint chip and other electronic components. The lens and the circuit board 105 are arranged in a PEEK terminal 104 (the PEEK terminal refers to a terminal made of polyether ether ketone material), and the PEEK terminal 104 and the circuit board 105 are filled with a filling adhesive 106. The miniature objective lens 101 of the utility model completes optical imaging and is projected on the CMOS image sensor 112. The CMOS image sensor 112 collects optical signals, converts the optical signals into digital signals through AD (analog signal to digital signal conversion), and then outputs the signals, so that the image processor 2 of the previous stage can be conveniently displayed and stored. In order to ensure that the utility model can be realized, the model OV9734 of the CMOS image sensor 112 is given as an example, the front surface is a photosensitive surface and can receive the imaging of the miniature objective lens 101, and the back surface is a welding surface, the welding points of the CMOS image sensor 112 are dissolved and welded on the pads of the circuit board 105, so that the circuit connection is realized.
[0060] The connecting operation pipe unit of the utility model comprises, from outside to inside, a medical heat shrinkable tube 107, a shaping tube 108 and a plastic tube 109; the medical heat shrinkable tube 107 is connected to the end of the PEEK terminal 104; the shaping tube 108 and the plastic tube 109 are connected to the end of the filling adhesive 106. The plastic tube 109 can pass the connecting line inside.
[0061] The connecting operation pipe unit of the utility model adopts a composite pipe with a three-layer structure of a plastic tube; the plastic tube 109 is provided with tightly wound spring steel wires; the shaping tube 108 is provided with galvanized iron wires; the elasticities of the two layers of the plastic tube 109 and the shaping tube 108 are different, the acting forces of the gaps between the two layers are offset when the two layers are bent, and the shaping purpose is achieved; the outermost layer is the medical heat shrinkable tube 107, which meets the medical material and can pass the biological compatibility test and be used for medical application.
[0062] The utility model adopts a flexible circuit board (FPCBA module) and a composite pipe with a three-layer structure of a plastic tube for the connecting operation pipe unit, so that the utility model realizes a flexible and shapeable endoscope.
[0063] As shown in Figure 5 The end of the connecting operation pipe unit is provided with an endoscope connector. The endoscope connector comprises a connecting operation pipe connector 110 and an adapter plate 111; the connecting operation pipe connector 110 is installed at the end of the connecting operation pipe unit; the adapter plate 111 is arranged in the connecting operation pipe connector 110, the adapter plate 111 is electrically connected with the circuit board 105, and the connecting line between the adapter plate 111 and the circuit board 105 is arranged in the plastic tube 109.
[0064] The working principle of the electronic endoscope assembly of this utility model is as follows: Using the connecting operation tube unit, the shape is adjusted according to the specific conditions and angles of the area to be explored during surgery. Under the illumination of the LED light 103, the miniature objective lens 101 is used to closely observe the lesion. The miniature objective lens 101 completes optical imaging and projects it onto the CMOS image sensor 112. The CMOS image sensor 112 collects the light signal and converts it into an electrical signal. The CMOS image sensor 112 transmits the electrical signal to the microchip on the circuit board 105 for decoding. The decoded electrical signal is then transmitted to the adapter board 111, so that the adapter board 111 can transmit the electrical signal to the next-level image processor 2.
[0065] Example 2
[0066] like Figure 6 As shown, the electronic endoscope assembly provided in this embodiment is basically the same as that in Embodiment 1, except for the structure of the camera module; specifically, the miniature objective lens 101, the CMOS image sensor 112, and the LED light 103 are all tilted; the miniature objective lens 101 and the connecting operation tube unit form an angle of 20-50°, preferably 30°. Tilting the miniature objective lens 101 allows the electronic endoscope assembly of this embodiment to adapt to different detection environments. The specific angle can be adjusted and selected according to actual conditions.
[0067] Example 3
[0068] like Figure 7 As shown, the present invention also provides an intracranial examination system, including: an image processor 2, a controller 3, and an electronic endoscope assembly 1 provided in any embodiment of the present invention.
[0069] The electronic endoscope assembly 1 is electrically connected to the image processor 2;
[0070] The image processor 2 is electrically connected to the controller 3; or the image processor 2 and the controller 3 are integrated together. The controller 3 can be a tablet or mobile phone for convenient operation. The controller 3 can also be connected to a networked display or AR glasses.
[0071] Specifically, the electronic endoscope assembly 1 and the image processor 2 are connected by a connecting cable 4; one end of the connecting cable 4 is provided with a connector cap 401, and the other end is provided with a first TYPE-C plug 402; the connector cap 401 is connected to the connecting operation tube connector 110; the first TYPE-C plug 402 is connected to the image processor 2.
[0072] like Figure 8As shown, the image processor 2 comprises: an image processor upper shell 201, a shielding upper shell 202, an image processing board 203, a shielding lower shell 204, and an image processor lower shell 205; the image processing board 203 is arranged in the shielding upper shell 202 and the shielding lower shell 204 which are buckled together; and the shielding upper shell 202 and the shielding lower shell 204 are arranged in the image processor upper shell 201 and the image processor lower shell 205 which are buckled together. A second TYPE-C plug 206 is arranged on an output line of the image processor 2, and the second TYPE-C plug 206 is connected with the controller 3.
[0073] The working process of the intracranial examination system is as follows: the electric signal collected by the electronic endoscope assembly 1 is transmitted to the image processor 2, the image processor 2 performs transcoding (so that the controller 3 can be recognized), the electric signal after transcoding is transmitted to the controller 3 (a tablet computer or a mobile phone), the controller 3 transmits the signal to a display or AR glasses to convert into a real-time surgical image, and the data can be interconnected, locally stored, real-time information exchanged, uploaded to the cloud at the same time. After the neurosurgeon completes the craniotomy process, a natural air medium channel to the intracranial lesion is created, the electronic endoscope assembly 1 is used to shape according to the surgical needs, and the close observation of the surgical dark corner area that cannot be observed by the naked eye or the surgical microscope and other direct vision systems is performed. If the observation angle requirement of the surgical dark corner cannot be met after shaping with a 0° flexible mirror, a 30° flexible mirror is used for shaping and observation (the overall observation angle after shaping with the 30° mirror can be more than 90°), and dynamic observation is completed. After the lesion condition is clear, the shaped mirror body can be fixed by using a snake-shaped retractor, and the surgeon can operate with both hands to treat the lesion.
[0074] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the utility model, and not to limit them; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: the technical solutions recorded in the foregoing embodiments are modified, or part or all of the technical features are replaced equivalently, without making the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model.
Claims
1. An electronic endoscope assembly, characterized by, The application relates to an electronic endoscope assembly. The camera module comprises a lens, a circuit board (105) and a plurality of LED lamps (103). The lens comprises a micro objective lens (101) and a CMOS image sensor (112). The micro objective lens (101) is arranged at the front end of the camera module, and the CMOS image sensor (112) is arranged at the rear end of the micro objective lens (101). A plurality of LED lamps (103) are arranged around the micro objective lens (101). The CMOS image sensor (112) and the LED lamps (103) are respectively electrically connected with the circuit board (105). The front end outer periphery of the micro objective lens (101) and the periphery of the plurality of LED lamps (103) are filled with optical glue (102).
2. The electronic endoscope assembly of claim 1, wherein, The circuit board (105) adopts an FPCBA module.
3. The electronic endoscope assembly of claim 1, wherein, The lens and the circuit board (105) are arranged in a PEEK terminal (104). The PEEK terminal (104) and the circuit board (105) are filled with filling adhesive (106). Further comprising:
4. The electronic endoscope assembly of claim 1, wherein, A connecting operation tube unit. The connecting operation tube unit comprises, from outside to inside, a medical heat shrink tube (107), a shaping tube (108) and a plastic tube (109). The medical heat shrink tube (107) is connected to the end of the PEEK terminal (104). The shaping tube (108) and the plastic tube (109) are connected to the end of the filling adhesive (106). The plastic tube (109) has tightly wound spring steel wires therein, and the shaping tube (108) has galvanized iron wires therein.
5. The electronic endoscope assembly of claim 4, wherein, The end of the connecting operation tube unit is provided with an endoscope connector.
6. The electronic endoscope assembly of claim 4, wherein, The endoscope connector comprises a connecting operation tube connector (110) and an adapter small plate (111). The connecting operation tube connector (110) is mounted at the end of the connecting operation tube unit. The adapter small plate (111) is arranged in the connecting operation tube connector (110), and the adapter small plate (111) is electrically connected with the circuit board (105), and the connecting line between the adapter small plate (111) and the circuit board (105) is arranged in the plastic tube (109). The micro objective lens (101), the CMOS image sensor (112) and the LED lamps (103) are all arranged obliquely.
7. The electronic endoscope assembly of claim 4, wherein, The micro objective lens (101) and the connecting operation tube unit form an angle of 20-50 degrees. The application further relates to an image processor (2), a controller (3) and the electronic endoscope assembly (1) of any one of claims 1 to 7.
8. An intracranial examination system, characterized by The electronic endoscope assembly (1) is electrically connected with the image processor (2). The image processor (2) is electrically connected with the controller (3), or the image processor (2) and the controller (3) are integrated together. The electronic endoscope assembly (1) and the image processor (2) are connected through a connecting cable (4). One end of the connecting cable (4) is provided with a connector outer cap (401), and the other end is provided with a first TYPE-C plug (402).
9. The intracranial examination system of claim 8, wherein, The connector outer cap (401) is connected with the connecting operation tube connector (110). The first TYPE-C plug (402) is connected with the image processor (2). 10. The intracranial examination system of claim 8, wherein, The image processor (2) comprises an image processor upper shell (201), a shielding upper shell (202), an image processing board (203), a shielding lower shell (204), and an image processor lower shell (205); The image processing board (203) is arranged in the shielding upper shell (202) and the shielding lower shell (204) which are buckled together; The shielding upper shell (202) and the shielding lower shell (204) are arranged in the image processor upper shell (201) and the image processor lower shell (205) which are buckled together; A second TYPE-C plug (206) is arranged on an output line of the image processor (2), and the second TYPE-C plug (206) is connected with the controller (3).