TWI499402B - An endoscopic device with a flexible circuit board - Google Patents

Description

Endoscope device with flexible circuit board

This invention relates to an endoscope device, and more particularly to an endoscope device having a flexible printed circuit board.

At present, the endoscope device is an elongated flexible tube, which is mainly composed of a photographic device and a light source. After connecting the display, the structure of the body organ, the interior of the vehicle, the components in the electronic device, and the crack of the building can be displayed. On the screen for industrial and medical purposes. General physicians, architects, electronics engineers, institutional engineers, and technicians can use the images on the screen to diagnose the subject's illness and problems within the subject. If the internal organs and tool parts of the body are damaged, as long as the channels are connected to the outside, the endoscope device can be used for examination. For example, the upper digestive tract endoscope device (checking the esophagus, stomach and duodenum) is placed through the mouth, the large intestine. The mirror is placed through the anus and the turbine blades can be inspected through the vent. If there is no hole, you can use the surgery to open the hole of the subject or disassemble the screw on the object to establish the hole. For example, laparoscopic examination requires a hole in the abdomen. The arthroscope needs to cut the skin around the switch. The engine needs to be removed first. Wait.

Generally, the internal circuit substrate of the endoscope device is connected to the electronic component by a rigid printed circuit board, and the rigid printed circuit board is constructed by bonding a copper foil or a tin foil to a layer of glass fiber. In the dimension, as a supply of image transmission between components and power supply, the rigid printed circuit board has a basic thickness and hardness, and occupies a large space inside the housing of the front end of the endoscope device. Therefore, the diameter of the housing and the hollow tube The trail will not shrink. This makes it impossible for the endoscope device to move toward the goal of slimness and slenderness.

In view of the above problems of the prior art, it is an object of the present invention to provide an endoscope device having a flexible circuit board which is flexed in an accommodating space by a flexible printed circuit board to solve the conventional rigid printing. The board is fitted to a larger diameter housing and a larger diameter hollow tube.

According to one of the objects of the present invention, an endoscope device having a flexible circuit board is provided, which comprises a hollow tube, a casing and a flexible printed circuit board (FCC). The housing is located at a front portion of the hollow tube, the housing has an accommodating space, and the flexible printed circuit board is flexed in the accommodating space, the flexible printed circuit board has a lens module, at least one electronic component and at least one illuminating component a side of the flexible printed circuit board extending forwardly for a predetermined length, and a front portion of the predetermined length is formed with a bent portion, the at least one light emitting element is disposed thereon, and the lens module is disposed on the flexible portion a longitudinal front end of the printed circuit board facing the front end of the casing, the left and right sides of the flexible printed circuit board each having a side facing the bend, when the side of the flexible printed circuit board having a predetermined length is bent Afterwards, the mounting portion of the predetermined length is bent toward the lens module, and the at least one light-emitting component is located in front of the lens module and faces away from the lens module. In order to solve the problem of assembling a rigid printed circuit board for a general endoscope device, it is necessary to use a housing having a larger diameter and a hollow tube having a larger diameter.

The mounting portion is curved and has a hollow portion to avoid blocking the lens module. The lens module captures an image through the hollow portion.

According to one of the objects of the present invention, an endoscope device having a flexible circuit board is provided, which comprises a hollow tube, a casing and a flexible printed circuit board (FCC). The housing is located at a front portion of the hollow tube, the housing has an accommodating space, and the flexible printed circuit board is flexed in the accommodating space, the flexible printed circuit board has a lens module, at least one electronic component and at least one illuminating component The flexible printed circuit board has a side extending forwardly for a predetermined length, and a front portion of the predetermined length is formed with a bent portion, and the at least one light-emitting element flexible printed circuit board is provided with at least one hole When the flexible printed circuit board is bent, the plurality of transmission lines connected to the flexible printed circuit board pass through the holes, and the mounting portion is located at the front end of the flexible printed circuit board, and the lens module is located at the flexible The flexible printed circuit board is bent at the end, and the flexible printed circuit board is bent close to the hole, so that the lens module is close to the predetermined length, and after the mounting portion is bent, the at least one light-emitting component is located in front of the lens module. And facing the lens module.

The mounting portion is annular and has a hollow portion to avoid blocking the lens module. The lens module captures an image through the hollow portion.

In view of the above, an endoscope device having a flexible circuit board according to the present invention may have one or more of the following advantages:

(1) The endoscope device having the flexible circuit board can be flexed into the casing by the flexible printed circuit board, thereby reducing the construction procedure required for the rigid printed circuit board in the endoscope device.

(2) The endoscope device with a flexible circuit board can flex the three-dimensional space of the three-dimensional circuit board in the casing by the flexible printed circuit board, thereby greatly reducing the diameter of the casing, and reducing the The diameter of the hollow tube.

(3) The endoscope device having the flexible circuit board can open a hole through the flexible printed circuit board to prevent the flexible printed circuit board from interfering with the extension of the transmission line to facilitate wiring.

1‧‧‧End circuit mirror device for flexible circuit boards

11‧‧‧ hollow tube

12‧‧‧ housing

121‧‧‧ accommodating space

13‧‧‧Lens module

131‧‧‧ lens

132‧‧‧Image Sensor

14‧‧‧Flexible printed circuit board

141‧‧‧ hole

15‧‧‧Lighting elements

151‧‧‧Lighting diode

16‧‧‧Predetermined length

17‧‧‧Installation Department

171‧‧‧ Hollow

2‧‧‧Electronic components

21‧‧‧ transmission line

Fig. 1 is a schematic view showing the combination of an endoscope device having a flexible circuit board of the present invention.

Fig. 2 is a top plan view showing a flexible printed circuit board of an endoscope device having a flexible circuit board according to a first embodiment of the present invention.

Fig. 3 is a perspective view showing the operation of the flexible printed circuit board of the endoscope device having the flexible circuit board according to the first embodiment of the present invention.

Fig. 4 is a view showing another view of the flexible printed circuit board of the endoscope device having a flexible circuit board according to the first embodiment of the present invention.

Fig. 5 is a perspective view showing the appearance of a flexible printed circuit board of an endoscope device having a flexible circuit board according to a second embodiment of the present invention.

Fig. 6 is a schematic view showing the operation of a flexible printed circuit board of an endoscope device having a flexible circuit board according to a second embodiment of the present invention.

Please refer to FIG. 1 and FIG. 2, which are schematic diagrams of the combination of the endoscope device with the flexible circuit board of the present invention and the flexibility of the endoscope device with the flexible circuit board of the first embodiment. A schematic view of the printed circuit board. In the figure, the endoscope device 1 having a flexible circuit board comprises a hollow tube 11, a casing 12 and a flexible printed circuit board (FCC).

The hollow tube 11 can be made of a flexible hollow tube 11. The hollow tube 11 is a single layer material or a composite layer material, and is the same as the outer surface of a general endoscope device, and therefore will not be described in detail in the drawings.

The housing 12 is located at the top end of the front section of the hollow tube 11, or the end of the housing 12 is inserted into the hollow tube 11 from the top end of the front section of the hollow tube 11. In this embodiment, the end of the housing 12 is hollow. The top end of the front section of the tube 11 is inserted into the hollow tube 11.

The housing 12 has an accommodation space 121. The flexible printed circuit board 14 is disposed in the accommodating space 121. The flexible printed circuit board 14 has a lens module 13, at least one electronic component 2, and at least one illuminating component 15. The flexible printed circuit board 14 One side of the predetermined length 16 extends forwardly, as shown in FIG. 3, and a front portion of the predetermined length 16 defines a mounting portion 17 for bending, and the at least one light-emitting element 15 is disposed on the lens module 13 The front end of the flexible printed circuit board 14 is disposed at a front end of the flexible printed circuit board 14, and the left and right sides of the flexible printed circuit board 14 each have a side edge bent toward the inner edge. In addition, the mounting portion 17 is curved and has a hollow portion 171 to prevent the lens module 13 from being blocked. The lens module 13 captures an image through the hollow portion 171. In addition, the lens module 13 is electrically connected to the flexible printed circuit board 14. The lens module 13 has a lens 131 and an image sensor 132. The lens module 13 can be a separate lens 131 and an image sensor 132. Alternatively, the lens 131 and the image sensor 132 are integrally connected to each other to be a wafer level lens. The image sensor 132 faces the lens 131, and the image sensor 132 and the lens 131 can be connected to each other or have a distance therebetween. The image sensor 132 can be a charge coupled device (CCD, Charge-coupled) Device) or Complementary Metal-Oxide-Semiconductor (CMOS).

The light-emitting element 15 is located on one side of the lens module 13 (for example, on one side of the lens module 13 , around the lens module 13 , above the side of the lens module 13 or below the side of the lens module 13 ) to provide light. The light-emitting element 15 can be an LED (Light Emitting Diode) 151 (LED), but is not limited thereto.

The flexible printed circuit board 14 is provided with a plurality of electronic components 2 and is flexed in the accommodating space 121 in the casing 12 (as shown in FIG. 1). The electronic component 2 referred to above may be a combination of an active component, a passive component or an active component passive component. The electronic component 2 can include a lens module 13, an image sensor 132, a light-emitting element 15, a resistor, a capacitor, an inductor, a diode, a transistor, or a wafer.

Please refer to FIG. 3 and FIG. 4 , and FIG. 2 is a schematic view of a flexible printed circuit board with a flexible circuit board according to a first embodiment of the present invention. Actuation diagram. In the figure, when the longitudinal front end of the flexible printed circuit board 14 is bent, one end of the flexible printed circuit board 14 is connected to an electronic component 2. In this embodiment, a lens module 13 is connected, but not limited thereto, and components such as the image sensor 132 may be connected.

After bending the side of the flexible printed circuit board 14 having a predetermined length 16, at least one electronic component 2 is disposed on one side of the flexible printed circuit board 14. In this embodiment, the two sides of the flexible printed circuit board 14 are simultaneously bent, and a plurality of electronic components 2 are disposed on both sides of the bent flexible printed circuit board 14, but it should be noted that each bend is Electronic components 2 may be omitted in the vicinity to prevent electrical interference between the components.

After the side of the flexible printed circuit board 14 having the predetermined length 16 is bent, the mounting portion 17 of the predetermined length 16 is bent toward the lens module 13, and the at least one light emitting element 15 is located in front of the lens module 13 And facing the lens module 13. In this embodiment, a plurality of light-emitting elements 15 (for example, light-emitting diodes 151) are disposed, but not limited thereto.

Please refer to FIG. 5 and FIG. 6 for continued reference to FIG. 1 , which is a schematic view of the appearance of a flexible printed circuit board having an endoscope device having a flexible circuit board according to a second embodiment of the present invention, and a second embodiment having Schematic diagram of the flexible printed circuit board of the endoscope device of the flexible circuit board. In the figure, the endoscope device 1 having a flexible circuit board comprises a hollow tube 11, a casing 12 and a flexible printed circuit board (FCC).

The hollow tube 11 (shown in Fig. 1) can be made of a flexible hollow tube 11. The hollow tube 11 is a single layer material or a composite layer material, and is the same as the outer surface of a general endoscope device, and therefore will not be described in detail in the drawings.

The housing 12 is located at the top end of the front section of the hollow tube 11, or the end of the housing 12 is inserted into the hollow tube 11 from the top end of the front section of the hollow tube 11. In this embodiment, the end of the casing 12 is inserted into the hollow tube 11 from the top end of the front section of the hollow tube 11.

The housing 12 has an accommodation space 121. The flexible printed circuit board 14 is disposed in the accommodating space 121. The flexible printed circuit board 14 has a lens module 13, at least one electronic component 2, and at least one illuminating component 15. The flexible printed circuit board 14 One side of the predetermined length 16 extends forwardly, as shown in FIG. 5, and a front portion of the predetermined length 16 defines a mounting portion 17 for bending, and the at least one light-emitting element 15 is disposed thereon, and the mounting portion 17 is located At the front end of the flexible printed circuit board 14, the lens module 13 is located on the end of the flexible printed circuit board 14. In addition, the mounting portion 17 is in a ring shape. There is a hollow portion 171 to avoid blocking the lens module 13 , and the lens module 13 captures an image through the hollow portion 171 . In addition, the lens module 13 is electrically connected to the flexible printed circuit board 14 . The lens module 13 has a lens 131 and an image sensor 132. The lens module 13 can be a separate lens 131 and an image sensor 132. Alternatively, the lens 131 and the image sensor 132 can be integrally connected to form a wafer level. Wafer level lens. The image sensor 132 can face the lens 131, and the image sensor 132 and the lens 131 can be connected to each other or have a distance therebetween. The image sensor 132 can be a charge coupled device (CCD) or Complementary Metal-Oxide-Semiconductor (CMOS).

The light-emitting element 15 is located on one side of the lens module 13 (for example, on one side of the lens module 13 , around the lens module 13 , above the side of the lens module 13 or below the side of the lens module 13 ) to provide light. The light-emitting element 15 can be an LED (Light Emitting Diode) 151 (LED), but is not limited thereto.

The flexible printed circuit board 14 is provided with at least one hole 141 and a plurality of electronic components 2, and the flexible printed circuit board 14 is flexed in the accommodating space 121. The electronic component 2 referred to above may be a combination of an active component, a passive component or an active component passive component. The electronic component 2 can include a lens module 13, an image sensor 132, a light-emitting element 15, a resistor, a capacitor, an inductor, a diode, a transistor, or a wafer.

The end of the flexible printed circuit board 14 is bent, and an electronic component 2 is connected to the upper end of the flexible printed circuit board 14. In this embodiment, a lens module 13 is connected, but not limited thereto. Components such as the image sensor 132 can be connected.

Folding the mounting portion 17 of the flexible printed circuit board 14, the flexible printed circuit board 14 The mounting portion 17 is connected to an electronic component 2, and in this embodiment, a light-emitting component 15 (for example, the light-emitting diode 151) is connected, but not limited thereto.

When the flexible printed circuit board 14 is bent close to the hole 141, the plurality of transmission lines 21 connected to the flexible printed circuit board 14 are traversed by the holes 141 to prevent the flexible printed circuit board 14 from interfering with the extension of the transmission line 21, and bending After the flexible printed circuit board 14 is disposed, the lens module 13 is brought close to the predetermined length 16. As shown in FIG. 6 , after the mounting portion 17 is bent, the at least one light-emitting component 15 is located in front of the lens module 13 . And facing the lens module 13.

In summary, the present invention has an endoscope device 1 having a flexible circuit board, and the main feature is that the flexible printed circuit board 14 can be flexibly bent into the casing 12, and can be designed as a three-dimensional space three-dimensional circuit. The plate 14 is used to greatly reduce the diameter of the casing 12, and the diameter of the hollow pipe 11 is reduced. And it has the advantages of light and slender, high stability and easy wiring.

The above is intended to be illustrative only and not limiting. Any equivalent modifications or alterations to the spirit and scope of the invention are intended to be included in the scope of the appended claims.

13‧‧‧Lens module

131‧‧‧ lens

132‧‧‧Image Sensor

14‧‧‧Flexible printed circuit board

15‧‧‧Lighting elements

151‧‧‧Lighting diode

2‧‧‧Electronic components

Claims (4)

An endoscope device having a flexible circuit board, comprising: a hollow tube; a housing located at a front portion of the hollow tube, the housing having an accommodating space; and a flexible printed circuit board (FCC) Flexing in the accommodating space, the flexible printed circuit board has a lens module, at least one electronic component, and at least one illuminating component, the flexible printed circuit board side extending forward by a predetermined length, and Forming a bendable mounting portion on the front end of the predetermined length, the at least one light emitting component is disposed thereon, the lens module is disposed at a longitudinal front end of the flexible printed circuit board, and facing the front end of the casing, the flexible printing The left and right sides of the circuit board each have a side facing the bend. After bending the side of the flexible printed circuit board having a predetermined length, the mounting portion of the predetermined length is bent toward the lens module. The at least one light-emitting component is located in front of the lens module and faces away from the lens module. The endoscope device with a flexible circuit board as described in claim 1, wherein the mounting portion is curved and has a hollow portion to avoid blocking the lens module, and the lens module passes through the hollow portion Capture images. An endoscope device having a flexible circuit board, comprising: a hollow tube; a housing located at a front portion of the hollow tube, the housing having an accommodating space; and a flexible printed circuit board (FCC) The flexible printed circuit board has a lens module, at least one electronic component, and at least one light emitting component, the flexible printed circuit board extending forward by a predetermined length, and The front end of the predetermined length forms a bent portion mounting portion on which the at least one light emitting element is disposed, and the flexible printed circuit board has at least one hole to provide a connection when the flexible printed circuit board is bent a plurality of transmission lines of the printed circuit board traverse the hole, the mounting portion is located at a front end of the flexible printed circuit board, the lens module is located at the end of the flexible printed circuit board, and the flexible printed circuit board is bent close to the hole After the lens module is brought close to the predetermined length, and after the mounting portion is bent, the at least one light emitting component is located in front of the lens module and faces away from the lens module. The endoscope device with a flexible circuit board as described in claim 3, wherein the mounting portion is annular and has a hollow portion to prevent blocking of the lens module, and the lens module passes through the hollow portion. Take the image.