CN218074937U

CN218074937U - Endoscope and head end device thereof

Info

Publication number: CN218074937U
Application number: CN202220242393.7U
Authority: CN
Inventors: 严航; 唐伟
Original assignee: Anqing Medical Co Ltd
Current assignee: Anqing Medical Co Ltd
Priority date: 2022-01-28
Filing date: 2022-01-28
Publication date: 2022-12-20
Anticipated expiration: 2032-01-28

Abstract

The utility model provides an endoscope and head end device thereof, include: the circuit board assembly, lighting circuit board, image acquisition part, lighting part; the connecting end of the image acquisition part and the image acquisition cable are respectively fixedly connected to the circuit board assembly, and the image acquisition part and the image acquisition cable are electrically conducted through a conductive material arranged on the circuit board assembly; the lighting circuit board is provided with a groove edge used for forming a first groove, the image acquisition part penetrates through the first groove and is assembled with part or all of the groove edge, the illumination part is arranged on the first surface of the lighting circuit board, the illumination cable is positioned on one side of the second surface of the lighting circuit board, the second surface and the first surface are distributed along the first direction, the first direction is the direction of the image acquisition end of the image acquisition part, and the illumination part and the illumination cable are electrically conductive through a conductive material arranged on the lighting circuit board.

Description

Endoscope and head end device thereof

Technical Field

The utility model relates to the field of medical equipment, especially, relate to an endoscope and head end device thereof.

Background

With the development of scientific technology, flexible tube-based endoscopic technology has been widely used in the medical field to assist medical personnel in examining internal organs of the human body by inserting an endoscope-based endoscope into the human body.

In the related art, an endoscope may include a flexible controllable bending tube and a head device formed at one end of the controllable bending tube. The head end device comprises an image acquisition part and an illumination light source, and a wiring terminal of the image acquisition part and the illumination light source can be welded with other electric wires in a welding mode, so that electric transmission is realized.

However, since the image capturing part is small, the size of the wire is also small, the welding with other wires must be parallel to the image capturing direction and cannot increase the radial size, the welding process is very inconvenient and causes thermal crosstalk, and it is difficult to ensure the welding effect during the movement, for example, the wire of the image capturing part is easily disconnected from other wires during the movement.

SUMMERY OF THE UTILITY MODEL

The utility model provides an endoscope and head end device thereof to solve the welding process and be not convenient for operate, be difficult to the problem of guarantee welding effect.

According to a first aspect of the present invention, there is provided a head end device of an endoscope, comprising: the device comprises a circuit board assembly, a lighting circuit board, an image acquisition part, a lighting part, an image acquisition cable and a lighting cable;

the connecting end of the image acquisition part and the image acquisition cable are respectively fixedly connected to the circuit board assembly, and the image acquisition part and the image acquisition cable are electrically conducted through a conductive material arranged on the circuit board assembly;

the lighting circuit board is provided with a groove edge used for forming a first groove, the image acquisition part penetrates through the first groove and is assembled with part or all of the groove edge, the lighting part is arranged on a first surface of the lighting circuit board, the lighting cable is arranged on one side of a second surface of the lighting circuit board, the second surface and the first surface are distributed along a first direction, the first direction is the direction of an image acquisition end of the image acquisition part, and the lighting part and the lighting cable are electrically conductive through a conductive material arranged on the lighting circuit board.

Optionally, the circuit board assembly includes a main circuit board and an image acquisition circuit board that are vertically connected to each other;

the surface of the main circuit board is provided with a first conductive material, the two surfaces of the image acquisition circuit board are provided with second conductive materials, and the second conductive materials on the two surfaces are mutually conducted;

the connecting end of the image acquisition part is electrically connected with the second conductive material on the first surface of the image acquisition circuit board, the second surface of the image acquisition circuit board is butted with the edge of the main circuit board, the second conductive material on the second surface of the image acquisition circuit board is electrically connected with the first conductive material of the main circuit board, and the first conductive material of the main circuit board is electrically connected with the image acquisition cable.

Optionally, the first conductive materials are distributed on two surfaces of the main circuit board, the first conductive materials on different surfaces of the main circuit board are not conducted with each other, and the image acquisition cables electrically connected to different surfaces of the main circuit board are also not conducted with each other.

Optionally, the main circuit board includes at least two extending bodies for forming a second groove, the extending bodies extend along the first direction, and the image capturing circuit board is clamped in the second groove.

Optionally, the at least two extending bodies include a first extending body and a second extending body;

the first extending body and the second extending body are distributed along a second direction, the second groove is formed between the first extending body and the second extending body, and the first direction is perpendicular to the second direction;

the edge of image acquisition circuit board be equipped with the first draw-in groove of first extension body joint, and with the second draw-in groove of second extension body joint, first draw-in groove with the second draw-in groove is configured into and can restricts the image acquisition circuit board for first extension body the second extension body is along the motion of third direction.

Optionally, the width of the image capturing circuit board along the third direction is adapted to the size of the image capturing part connecting end along the third direction; the width between the groove bottom of the first clamping groove and the groove bottom of the second clamping groove is matched with the size of the connecting end of the image acquisition part along the second direction.

Optionally, two surfaces of the lighting circuit board are provided with third conductive materials, the third conductive materials on the two surfaces are mutually conducted, the surface of the main circuit board is further provided with a fourth conductive material, and the fourth conductive material is arranged on the extension body;

the second surface of the lighting circuit board is butted with the extension body, and the third conductive material of the second surface of the lighting circuit board is electrically connected with the fourth conductive material.

Optionally, the image acquisition circuit board is connected with the main circuit board through glue, the first conductive material is connected with the second conductive material through soldering tin, and the main circuit board is connected with the image acquisition circuit board and then connected with the SMT patch of the image acquisition part.

Optionally, the lighting circuit board is connected with the image acquisition part through glue.

Optionally, the head end device further includes a lens mount, and the circuit board assembly, the lighting circuit board, the image collecting unit and the lighting unit are disposed on the lens mount.

According to a second aspect of the present invention, there is provided an endoscope comprising the head end device of the first aspect and its alternatives.

The utility model provides an among endoscope and head end device thereof, the conducting material through circuit board assembly realizes the electricity to be connected between the link of image acquisition portion and the image acquisition cable, because of wherein realize the electricity based on conducting material and connect, has avoided the direct welding of cable conductor and detecting element, so, the utility model discloses reduced the degree of difficulty of welding operation, improved welded intensity, reliability, satisfied the welding stability under the multiple motion situation, in the further scheme, still played its vertical welding of cable conductor welding position and become simple plane welding problem.

The distance between the cable and the image acquisition part can be lengthened by the characteristic that the main circuit board is connected with the image acquisition circuit board and then connected with the image acquisition part patch, so that the problem of crosstalk caused to the image acquisition part by welding is reduced.

The utility model discloses still through the introduction of lighting circuit board and middle recess edge, first recess, can be favorable to reducing the whole radial size of device to the stable in position of guarantee illumination portion, and then, still can solve the welding inconvenient, the complicated problem of technology, the welding is unreliable, the not strong problem of atress.

In the concrete scheme, through the three-dimensional circuit board combination formed by main circuit board, lighting circuit board and image acquisition circuit board, the problem of too many camera welding spots and easy thermal crosstalk is solved, the welding is convenient and reliable, the stress is stronger, in addition, the size is compacter, the module is formed, and the production is convenient.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a first schematic structural diagram of a head end device of an endoscope according to an embodiment of the present invention;

fig. 2 is a second schematic structural view of a head end device of an endoscope according to an embodiment of the present invention;

fig. 3 is a third schematic structural view of a head end device of an endoscope in an embodiment of the present invention;

fig. 4 is a partial schematic structural view of a head end device of an endoscope according to an embodiment of the present invention;

fig. 5 is a partial schematic structural view of a head end device of an endoscope according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a circuit board assembly according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a main circuit board according to an embodiment of the present invention;

fig. 8 is a schematic structural diagram of an image capture circuit board according to an embodiment of the present invention;

fig. 9 is a schematic structural view of an illumination circuit board and an illumination portion according to an embodiment of the present invention;

fig. 10 is a schematic structural diagram of an illumination circuit board according to an embodiment of the present invention;

fig. 11 is a schematic structural view of an endoscope according to an embodiment of the present invention.

Description of reference numerals:

10-an image acquisition section;

11-end portion;

12-a body portion;

20-an illumination section;

30-a lighting circuit board;

31-a first groove;

32-a third conductive material;

40-an image acquisition circuit board;

41-a second conductive material;

42-a second conductive material;

43-a first card slot;

44-a second card slot;

50-a main circuit board;

51-a first conductive material;

52-a fourth conductive material;

53-a second groove;

54-an extension;

60-image acquisition cables;

70-a lighting cable;

80-lens mount;

90-instrument channel;

100-flexible tube.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be understood that the terms "upper portion", "lower portion", "upper end", "lower surface", "upper surface", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

In the description of the present invention, "plurality" means a plurality, such as two, three, four, etc., unless specifically limited otherwise.

In the description of the present invention, unless explicitly stated or limited otherwise, the terms "connected" and the like are to be understood broadly, and may for example be fixedly connected, detachably connected, or integrated; can be mechanically connected, electrically connected or can communicate with each other; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The technical solution of the present invention will be described in detail with specific examples. The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments.

Referring to fig. 1 to 10, there is provided a head end device of an endoscope, including: the circuit board assembly (specifically, the circuit board assembly may include the main circuit board 50 and the image capturing circuit board 40), the lighting circuit board 30, the image capturing part 10, the lighting part 20, the image capturing cable 60, and the lighting cable 70.

The image capturing unit 10 may be any component or combination of components capable of capturing an image in the art, and in an example shown in the figure, the image capturing unit 10 may include a base 11 and a main body 12, a plane perpendicular to the first direction is used as a projection plane, an area of a projection area of the main body 12 on the projection plane is smaller than that of the base 11, and the projection area of the main body 12 on the projection plane is covered in the projection area of the base 11 on the projection plane. The connecting end of the image capturing part 10 may refer to an end of the base part 11 facing away from the main body part 12, and the image capturing end of the image capturing part 10 may refer to an end of the main body part 12 facing away from the base part 11, and the base part 11 and the main body part 12 extend in the first direction.

The connection end of the image capturing portion 10 and the image capturing cable 60 are respectively and fixedly connected to the circuit board assembly, for example, a camera, and the image capturing portion 10 and the image capturing cable 60 are electrically conductive through a conductive material disposed on the circuit board assembly.

The conductive material may refer to any material capable of realizing contact conduction, and specifically, the conductive material may form a surface for contact conduction.

The image capturing cable 60 can be any cable for transmitting an electrical signal to the image capturing unit 10, and may be a cable for supplying power to the image capturing unit or a cable for exchanging information with the image capturing unit.

Referring to fig. 1 to 5 in combination with fig. 9, the lighting circuit board 30 has a groove edge for forming a first groove 31, and the image capturing part 10 (e.g., the main body part 12 thereof) passes through the first groove 31 and is assembled with a part or all of the groove edge.

Specifically, the first groove 31 and the edge of the groove may be, for example, a trapezoid or a rectangle (or other polygons or arcs) edge; the shape of the first recess 31 and its recess edge may be adapted to fit with the image capturing section 10 (e.g. its main body section 12). In the example shown in fig. 9, the groove edges are trapezoidal. In some embodiments, the illumination circuit board and the image acquisition part are further connected through glue.

For the fitting between the first groove and its groove edge and the image capturing section 10, for example: the structure between the lighting circuit board 30 and the image acquisition part 10 can be connected with the structure shape of the camera by glue for assembling and positioning through a positioning card arranged on the lighting circuit board.

The illumination unit 20 is disposed on a first surface of the illumination circuit board 30, the illumination cable 70 is disposed on one side of a second surface of the illumination circuit board 30, the second surface and the first surface are distributed along a first direction, the first direction is the orientation of the image capturing end of the image capturing unit (which can be understood as the direction from the base portion 11 to the body portion 12 of the image capturing unit 10), and the illumination unit 20 and the illumination cable are electrically conductive through a conductive material disposed on the illumination circuit board, which may be indirect conductive (for example, sequential conductive connection between the illumination unit, the conductive material of the illumination circuit board, the conductive material of the main circuit board, and the illumination cable) or direct conductive (for example, sequential conductive connection between the illumination unit, the conductive material of the illumination circuit board, and the illumination cable).

Among the above scheme, the conducting material through circuit board assembly realizes the electricity to be connected between the link of image acquisition portion and the image acquisition cable, because of wherein realizing the electricity based on conducting material and connecting, avoided the direct welding of cable conductor and detecting part, so, the utility model discloses reduce welding operation's the degree of difficulty, improved welded intensity, reliability, satisfy the welding stability under the multiple motion situation, in the further scheme, still played its vertical welding of cable conductor welding position and become simple plane welding problem.

In one embodiment, the circuit board assembly includes a main circuit board 50 and an image capture circuit board 40 that are connected perpendicular to each other.

The surface of the main circuit board 50 is provided with a first conductive material 51, and the first conductive material 51 may be distributed on only one side surface of the main circuit board 50, or may be distributed on both side surfaces of the main circuit board 50 (i.e., the first surface and the second surface of the main circuit board 50).

The two surfaces of the image acquisition circuit board 40 are provided with second conductive materials 41, and the second conductive materials 41 on the two surfaces are mutually conducted;

the connecting terminal of the image capturing portion 10 is electrically connected to the second conductive material 42 (for example, the second conductive material 42 shown in fig. 6) on the first surface of the image capturing circuit board 40, the second surface of the image capturing circuit board 40 is abutted against the edge of the main circuit board 50 (for example, the end edge of the extending body 54 of the main circuit board 50), and the second conductive material (for example, the second conductive material 42 shown in fig. 1, 2, 4, and 5) on the second surface of the image capturing circuit board 40 is electrically connected to the first conductive material 51 of the main circuit board 50, and the first conductive material 51 of the main circuit board 50 is electrically connected to the image capturing cable 60, wherein the first conductive material 51 and the image capturing cable 60 can be in line contact and surface contact, so as to achieve electrical conduction and fixed connection.

Furthermore, in the above solution, the three-dimensional circuit board formed by the combination of the main circuit board 50 and the image capturing circuit board 40 (which can be regarded as a T-shaped component, that is, the main circuit board 50 and the image capturing circuit board 40 are connected in a T shape) can solve the problems of too many soldering points of the image capturing part and easy thermal crosstalk (for example, in the prior art, it is very troublesome to the situation that the soldering points of the image capturing part need to be connected because the size is too small, the soldering points and the soldering points are easy to generate thermal crosstalk because the distance is too close, and especially, the situation that the soldering points of the high-pixel camera are too many), and also solve the problem that the vertical soldering of the soldering position of the cable becomes simple plane soldering, the soldering is convenient and reliable, and the stress is stronger. In addition, in the concrete scheme, each circuit board forms a three-dimensional circuit board, so that the size is more compact, a module is formed, and the production is convenient.

In the above solution, a combination of the main circuit board 50 and the image capturing circuit board 40 is adopted, and in other examples, the functions of the main circuit board 50 and the image capturing circuit board 40 may also be realized by using an integrally formed structural body.

In addition, under the condition that the first conductive materials are distributed on the two surfaces of the main circuit board, the first conductive materials on the different surfaces of the main circuit board are not conducted with each other, and the image acquisition cables electrically connected with the different surfaces of the main circuit board are also not conducted with each other.

In one embodiment, referring to fig. 6 and fig. 7 in combination with other figures, the main circuit board 40 includes at least two extending bodies 54 for forming a second groove 53, the extending bodies 54 extend along the first direction, and the image capturing circuit board 40 is clamped in the second groove 53.

Specifically, the at least two extending bodies include a first extending body and a second extending body, i.e., two extending bodies 54 distributed along the second direction as shown in fig. 6 and 7.

referring to fig. 6 and 8 in combination with other figures, a first card slot 43 clamped with the first extending body and a second card slot 44 clamped with the second extending body are disposed at an edge of the image capturing circuit board 40, and the first card slot 43 and the second card slot 44 are configured to limit movement of the image capturing circuit board relative to the first extending body and the second extending body along a third direction. The third direction is perpendicular to the first direction and the second direction respectively.

In other examples, the number of the extending bodies may include two groups, two groups of the extending bodies are distributed along the second direction, the number of the extending bodies in each group may be multiple and correspondingly, the number of the first card slot and the number of the second card slot may also be multiple, and each card slot corresponds to one extending body.

In one example, in order to save space, the width of the image capturing circuit board 40 in the third direction is adapted to the dimension of the image capturing section connecting end in the third direction (e.g., the width of the base 11 of the image capturing section in the third direction); the fitting may mean that a difference between a width of the image capturing circuit board 40 in the third direction and a size of the image capturing section connecting end in the third direction is smaller than a preset threshold, and further, the width and the size may be the same.

In one example, in order to save space, the width between the groove bottom of the first clamping groove 43 and the groove bottom of the second clamping groove 44 is adapted to the dimension of the image capturing section connecting end along the second direction. The adapting may mean that a difference between a width between the groove bottom of the first clamping groove 43 and the groove bottom of the second clamping groove 44 and a dimension of the image capturing portion connecting end along the second direction is smaller than a preset threshold, and meanwhile, a width between the groove bottom of the first clamping groove 43 and the groove bottom of the second clamping groove 44 may be smaller than or equal to a dimension of the image capturing portion connecting end along the second direction (for example, a width of the base 11 of the image capturing portion along the second direction). In addition, the distribution positions of the first and

second card slots

43 and 44 along the third direction may be offset from the second conductive material.

Further, in a specific example, the size of the image capturing circuit board is similar to the size of the image capturing portion, two sides of the image capturing circuit board are externally connected with conductive materials (i.e., the second conductive materials 41), the shape and position of one side of the conductive material (i.e., the second conductive material 41 on the first surface) are matched with the shape and position of the welding point of the image capturing portion, the shape and position of the other side of the conductive material (i.e., the second conductive material 41 on the second surface) are matched with the shape and position of the conductive material (i.e., the first conductive material 51) on the main circuit board, and the interiors of the two sides of the conductive material are communicated with each other. The main circuit board 50 has two sides with conductive materials (i.e. the first conductive material 51) connected to the outside, and the two sides have no connection inside.

The image acquisition circuit board is connected with the main circuit board through glue, and the first conductive material is connected with the second conductive material through soldering tin.

Furthermore, the structure parts of the image acquisition circuit board and the main circuit board are connected through positioning bayonets and glue arranged on the two circuit boards; the electrical parts are connected to each other by means of solder to form a "T-assembly" by means of different conductive materials provided on the circuit board. The conductive material on the first surface of the image acquisition circuit board can be connected with the welding point on the image acquisition part in a soldering manner by using an SMT (surface mount technology) paster process.

In one embodiment, referring to fig. 6, fig. 7, and fig. 10 in combination with other drawings, the lighting circuit board 30 is provided with third conductive materials 32 on two surfaces thereof, the third conductive materials on the two surfaces are electrically connected to each other, the main circuit board 50 is further provided with a fourth conductive material 52 on a surface thereof, and the fourth conductive material 52 is disposed on the extension 54;

the second surface of the illumination circuit board 30 is abutted against the extension body 54 (particularly, may be abutted against the end of the eye body 54, that is, the end close to the image capturing end of the image capturing section), and the third conductive material 32 of the second surface of the illumination circuit board 30 is electrically connected to the fourth conductive material 52.

The lighting circuit board is provided with a conductive material (namely, a third conductive material 32) which is externally connected on two sides, the shape and the position of the conductive material on the first surface are matched with the shape and the position of a welding point of a lighting part (such as an LED), the shape and the position of the conductive material on the second surface are matched with the shape and the position of the conductive material on the main circuit board (namely, a fourth conductive material 52), and the interiors of the two sides of the conductive material are mutually communicated. The illumination portion (e.g., LED) may be electrically connected to the illumination circuit board using an SMT pick and place process.

In one embodiment, referring to fig. 10, the head device further includes a lens mount 80, the circuit board assembly, the lighting circuit board 30, the image capturing unit 10 and the lighting unit 20 are disposed on the lens mount 80, specifically, the image capturing circuit board 40, the main circuit board 50, the lighting circuit board 30, the image capturing unit 10, the lighting unit 20, solder and glue are connected to form a "CMOS assembly", the cable and the CMOS assembly are connected to each other by solder, and then the cable and the lens mount 80 are mounted to form the head device of the endoscope.

The above-mentioned conductive materials (e.g., the first conductive material, the second conductive material, the third conductive material, and the fourth conductive material) may be the same conductive material, or may be different conductive materials, and each conductive material may form a surface of the conductive material, so as to form a conductive connection in line contact or surface contact with the outside.

The embodiment of the utility model provides an endoscope is still provided, the head end device that includes above alternative and relates to.

In one embodiment, the endoscope further comprises an instrument channel 90 and a flexible tube 100, the tip device is connected to one end of the flexible tube 100, and the instrument channel 90 passes through the flexible tube 100 and the tip device.

By way of further example, the instrument channel 90 may be located on one side of the image capturing circuit board 40, the main circuit board 50, the illumination circuit board 30, the image capturing part 10, the illumination part 20, the solder and the glue forming a "CMOS assembly" along the third direction.

The combination of the above specific schemes shows that in the specific scheme of the utility model, the design is ingenious, the number of parts is small, the space is reasonably utilized, the manufacture is simple, reliable and easy, and the cost of using general standard parts is low; the image acquisition circuit board and the main circuit board are connected to form a T-shaped component of a three-dimensional circuit structure, and then are connected with the camera (namely an image acquisition part) through a patch circuit, so that the welding of the solder point position nearest to the camera is prolonged or avoided as far as possible, and the problem of poor welding caused by too many solder point positions due to too small size and thermal interference of solder can be solved; meanwhile, the positioning grooves on the circuit boards are used for positioning related parts, so that the radial packaging size of the camera and the LED (namely the lighting part) can be effectively controlled, and the LED and the tip of the camera are positioned on the same plane as far as possible, so that the lighting is more uniform; and all welding spots connected with the cable can be perpendicular to the shooting direction surface of the camera originally and can be converted into the shooting direction surface parallel to the camera, the camera cannot be influenced by external force after being assembled, the welding strength and reliability of the camera, the LED and the cable are improved, and the short circuit risk of overlarge welding spots and the outer tube is reduced. In addition, the lens mount is made of transparent plastic materials, so that the assembly of related parts is not convenient, and the insertion permeability of the insertion part of the endoscope is improved due to the semicircular shape with the inclined edge. Based on the utility model discloses concrete scheme can realize one kind can effective control external diameter, area illumination, encapsulation safe and reliable, can reduce hot cross talk, low cost's electronic endoscope encapsulation means. Utilize the utility model discloses a deformation structure can encapsulate out the head end device that the diameter is less than the miniature camera endoscope of 3mm area hypotenuse, has expanded the range of application of miniature camera in the endoscope field greatly.

In the description of the present specification, reference to the terms "an embodiment," "an example," "implementation," "an example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications or substitutions do not depart from the scope of the invention in its corresponding aspects.

Claims

1. A tip device of an endoscope, comprising: the circuit board assembly, lighting circuit board, image acquisition part, lighting part; the method is characterized in that:

the lighting circuit board is provided with a groove edge used for forming a first groove, the image acquisition part penetrates through the first groove and is assembled with part or all of the groove edge, the lighting part is arranged on the first surface of the lighting circuit board, the lighting cable is arranged on one side of the second surface of the lighting circuit board, the second surface and the first surface are distributed along the first direction, the first direction is the direction of the image acquisition end of the image acquisition part, and the lighting part and the lighting cable are electrically conductive through a conductive material arranged on the lighting circuit board.

2. The headend device of claim 1 wherein the circuit board assembly comprises a main circuit board and an image capture circuit board connected perpendicular to each other;

3. The headend device of claim 2 wherein the first conductive material is distributed on both surfaces of the main circuit board, and the first conductive material on different surfaces of the main circuit board are not conductive to each other, and the image capture cables electrically connected to different surfaces of the main circuit board are also not conductive to each other.

4. The headend device of claim 2 wherein the main circuit board includes at least two extensions forming a second recess, the extensions extending in the first direction, the image capture circuit board being snapped into the second recess.

5. The headend device of claim 4 wherein the at least two extensions comprise a first extension and a second extension;

6. The header assembly of claim 5, wherein a width of the image capture circuit board in the third direction is adapted to a dimension of the image capture section connection end in the third direction; the width between the groove bottom of the first clamping groove and the groove bottom of the second clamping groove is matched with the size of the connecting end of the image acquisition part along the second direction.

7. The header device as claimed in claim 4, wherein the lighting circuit board has a third conductive material on two surfaces thereof, the third conductive materials on the two surfaces are electrically connected to each other, and a fourth conductive material is further disposed on the surface of the main circuit board, and the fourth conductive material is disposed on the extension;

8. The header device of any one of claims 2 to 6, wherein the image capture circuit board is further connected to the main circuit board by glue, the first conductive material is connected to the second conductive material by solder, the main circuit board is connected to the image capture circuit board and then connected to the image capture SMT chip, and the illumination circuit board is further connected to the image capture unit by glue.

9. The header device of any one of claims 1 to 6, further comprising a lens mount, wherein the circuit board assembly, the lighting circuit board, the image capture portion, and the lighting portion are disposed on the lens mount.

10. An endoscope comprising the tip device of any one of claims 1 to 9.