Capsule endoscope and assembly method thereof

Abstract

The present invention relates to a capsule endoscope and an assembly method thereof. The capsule endoscope includes a PCB assembly, a functional unit, and a battery unit electrically connected to the PCB assembly. The capsule endoscope also includes a fixture for securing the PCB assembly, the functional unit, and the battery unit. The fixture effectively secures the PCB assembly, the battery unit, and the functional unit, preventing components from falling off during operation. This ensures good structural stability and electrical contact, thereby enhancing the operating efficiency and detection accuracy of the capsule endoscope.

Description

Technical Field

[0001] The present invention relates to the technical field of medical devices, and in particular to a capsule endoscope and an assembly method thereof. Background Art

[0002] With the development of capsule endoscopy technology, capsule endoscopy has gradually evolved from passive capsule endoscopy to active and precisely controlled capsule endoscopy. Active and precise control of the capsule's movement is crucial for examining the human digestive tract. The higher the control accuracy, the greater the significance for detecting positive lesions. Similarly, the structural stability of the capsule endoscope is also the basis for ensuring control accuracy.

[0003] In traditional processes, the internal parts of capsule endoscopes are installed by stacking the parts layer by layer and then pressing them at both ends. During long-term operation of the capsule, the pressing devices at both ends are prone to loosening, resulting in poor contact between internal parts, causing product failure and affecting stability.

[0004] In view of this, it is necessary to improve the existing capsule endoscope to solve the above problems. Summary of the Invention

[0005] The object of the present invention is to provide a capsule endoscope with stable structure and good circuit transmission and an assembly method thereof.

[0006] In order to achieve the above-mentioned object of the invention, the present invention provides a capsule endoscope, including a PCB board group, a functional unit and a battery unit electrically connected to the PCB board group, wherein the PCB board group includes several PCB boards connected by a flexible circuit board; the capsule endoscope also includes a fixing device, which includes: a hollow sleeve, in which the functional unit and the battery unit are fixed; and welded metal plates located at both ends of the sleeve, wherein the PCB board is fixed to the side of the welded metal plate facing away from the sleeve, and the battery unit and the PCB board are both electrically connected to the welded metal plates.

[0007] Furthermore, the battery unit is located on one side of the functional unit along the axial direction, or the battery unit includes two batteries respectively located on two sides of the functional unit along the axial direction.

[0008] Furthermore, the sleeve includes a fixing boss protruding inward from the inner wall of the sleeve, and the functional unit is located inside the fixing boss;

[0009] Alternatively, the inner wall of the sleeve is a smooth inner wall.

[0010] Furthermore, the fixing boss is located in the middle of the sleeve, and the battery unit includes two batteries respectively located on both sides of the functional unit along the axial direction.

[0011] Furthermore, in the axial direction of the sleeve, the length of the fixing boss is not greater than the length of the functional unit.

[0012] Furthermore, the fixing device also includes adhesive located between the functional unit and the sleeve, and between the battery unit and the sleeve.

[0013] Furthermore, the welding metal plate includes a flat plate portion and a plurality of welding legs protruding from a periphery of the flat plate portion toward a side away from the sleeve;

[0014] The battery unit is welded to the side of the flat plate portion facing the sleeve, or the battery unit is electrically connected to the side of the flat plate portion facing the sleeve via conductive glue;

[0015] The PCB board is welded to the welding feet.

[0016] The present invention also provides a method for assembling a capsule endoscope, comprising the following steps:

[0017] Fixing the functional unit inside the sleeve;

[0018] First, electrically connect the battery cell to the welding metal plate, and then bond the battery cell to the inside of the sleeve;

[0019] Solder the PCB board to the soldering metal plate.

[0020] Furthermore, the functional unit is fixed inside the sleeve by glue.

[0021] Furthermore, the welding metal plate includes a flat plate portion and a plurality of welding legs protruding from the periphery of the flat plate portion toward a side away from the sleeve; the battery cell is welded to the side of the flat plate portion facing the sleeve, or the battery cell is electrically connected to the side of the flat plate portion facing the sleeve through conductive glue.

[0022] Furthermore, the sleeve includes a fixing boss protruding inward from the inner wall of the sleeve, the functional unit is fixed on the inner side of the fixing boss, and the battery unit is located on at least one side of the functional unit along the axial direction.

[0023] Furthermore, the battery unit includes two batteries respectively located on both sides of the functional unit along the axial direction.

[0024] The assembly method of the capsule endoscope comprises: first fixing the functional unit in a sleeve, and then fixing two batteries electrically connected to the welded metal plates in the sleeve;

[0025] Alternatively, the capsule endoscope assembly method includes: first fixing a battery electrically connected to a welded metal plate at one end of a sleeve, then fixing the functional unit in the sleeve, and then fixing another battery electrically connected to the welded metal plate at the other end of the sleeve.

[0026] Compared with the prior art, the beneficial effect of the present invention is that the PCB board, the functional unit and the battery unit are fixedly assembled by a fixing device, thereby avoiding the problem of parts falling off during operation of the capsule endoscope, ensuring good structural stability and electrical contact, and thus ensuring the working efficiency and detection accuracy of the capsule endoscope. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 1 is a schematic diagram of the assembly structure of a capsule endoscope according to a preferred embodiment of the present invention;

[0028] Figure 2 yes Figure 1 Schematic diagram of the exploded structure of the capsule endoscope shown.

[0029] Figure 3 yes Figure 1 The cross-sectional structure diagram of the capsule endoscope along the AA direction is shown. DETAILED DESCRIPTION

[0030] The present application will be described in detail below with reference to the specific embodiments shown in the accompanying drawings. However, these embodiments do not limit the present application, and any structural, methodological, or functional changes made by a person skilled in the art based on these embodiments are included within the scope of protection of the present application.

[0031] In the various drawings of the present application, for the sake of convenience, some sizes of structures or parts are exaggerated relative to other structures or parts. Therefore, they are only used to illustrate the basic structure of the subject matter of the present application.

[0032] like Figures 1 to 3 As shown, the capsule endoscope of the present invention includes a housing (not shown), a PCB (Printed Circuit Board) assembly located within the housing, a functional unit 2, a battery unit 3, and a fixture 4. The PCB assembly includes several PCBs 1 connected via a flexible circuit board. The fixture 4 securely assembles the PCB assembly, functional unit 2, and battery unit 3 into a single unit, which is then installed within the housing. This prevents components from falling off during operation, ensures good structural stability and electrical contact, and thus enhances the operating efficiency and detection accuracy of the capsule endoscope.

[0033] The functional unit 2 mentioned herein is a functional element that does not require power, such as a magnet. Functional elements that require power or control are fixed to the PCB board 1. The battery unit 3 is electrically connected to the PCB board 1 to provide power to the functional elements on the PCB board 1 that require power.

[0034] The fixing device 4 includes a hollow sleeve 40 and welding metal plates 41 located on both sides of the sleeve 40; the functional unit 2 and the battery unit 3 are fixed inside the sleeve 40, and several PCB boards 1 are fixed on the side of the welding metal plate 41 facing away from the sleeve 40, and the battery unit 3 and the PCB board 1 are electrically connected to the welding metal plate 41.

[0035] Here, “the PCB board 1 is fixed on the side of the welding metal plate 41 facing away from the sleeve 40” means that the several PCB boards 1 in the PCB board group are divided into two parts, respectively located on both sides of the fixing device 4, and the PCB board 1 adjacent to the welding metal plate 41 is electrically connected to the welding metal plate 41, and the adjacent PCB boards 1 are connected through the flexible circuit board.

[0036] The sleeve 40 is cylindrical or polygonal, and its shape can be adjusted according to the parts inside the capsule endoscope.

[0037] Specifically, the sleeve 40 includes a fixing boss 402 that protrudes inward from the inner wall 401 of the sleeve 40. The fixing boss 402 and the inner wall 401 of the sleeve 40 form a fixing step 403. The functional unit 2 is located inside the fixing boss 402, and the battery unit 3 is located on at least one side of the functional unit 2 along the axial direction. The battery unit 3 includes one or more batteries.

[0038] In a preferred embodiment of the present invention, the fixing boss 402 is provided in the middle of the sleeve 40 along the axial direction, and the fixing steps 403 are located on both sides of the fixing boss 402. The functional unit 2 is located inside the fixing boss 402, and the battery unit 3 includes two batteries located on both sides of the fixing boss 402.

[0039] Furthermore, in the axial direction of the sleeve 40, the length of the fixing boss 402 is no greater than the length of the functional unit 2, thereby ensuring sufficient contact between the functional unit 2 and the battery unit 3 during installation. When the length of the fixing boss 402 is consistent with the length of the functional unit 2, the fixing step 403 can also provide support for the battery unit 3.

[0040] In addition, the fixing device 4 further includes adhesive between the functional unit 2 and the sleeve 40 and between the battery unit 3 and the sleeve 40 , that is, the functional unit 2 and the battery unit 3 are fixed in the sleeve 40 by adhesive.

[0041] The welding metal plate 41 includes a flat plate portion 410 and a plurality of solder pins 411 extending from the side of the flat plate portion 410 facing away from the sleeve 40. The battery cell 3 is electrically connected to the side of the flat plate portion 410 facing the sleeve 40, and the PCB assembly is mounted on the side of the flat plate portion 410 facing away from the sleeve 40 via the solder pins 411.

[0042] The PCB board 1 is welded to the welding foot 411. Preferably, the welding foot 411 is elastic, so as to facilitate welding and installation with the PCB board 1.

[0043] Furthermore, the battery unit 3 is welded to the side of the flat plate portion 410 facing the sleeve 40 , or the battery unit 3 is electrically connected to the side of the flat plate portion 410 facing the sleeve 40 through conductive glue.

[0044] Another embodiment of the capsule endoscope of the present invention differs from the above embodiment only in that the inner wall of the sleeve 40 is smooth. In this embodiment, the functional unit 2 is located inside the sleeve 40, and the battery unit 3 is located on one side of the functional unit 2 along the axial direction, or the battery unit 3 includes two batteries located on either side of the functional unit 2 along the axial direction.

[0045] For other structures, please refer to the above embodiments and will not be described in detail here.

[0046] The present invention also provides a method for assembling a capsule endoscope, which can be used to assemble any of the above-mentioned capsule endoscopes. The method for assembling the capsule endoscope comprises:

[0047] Fix the functional unit 2 inside the sleeve 40;

[0048] First, the battery cell 3 is electrically connected to the welding metal plate 41, and then the battery cell 3 connected to the welding metal plate 41 is bonded to the inside of the sleeve 40;

[0049] The PCB board 1 and the welding metal plate 41 are welded together to achieve both fixation and electrical connection between the two.

[0050] Specifically, the functional unit 2 can be fixed inside the sleeve 40 by adhesive fixation or the like. In the embodiment with the fixing boss 402 , the functional unit 2 is located inside the fixing boss 402 .

[0051] The electrical connection method between the battery cell 3 and the welding metal plate 41 includes but is not limited to: welding the battery cell 3 to the welding metal plate 41, or fixing the battery cell 3 to the welding metal plate 41 through conductive glue to achieve electrical connection between the two.

[0052] Based on the above assembly method, the sleeve 40 includes a fixing boss 402 protruding inward from the inner wall 401 of the sleeve 40 , the functional unit 2 is fixed inside the fixing boss 402 , and the battery unit 3 is located on at least one side of the functional unit 2 along the axial direction.

[0053] Based on the above assembly method, in an embodiment with two batteries, the functional unit 2 can be first fixed in the sleeve 40, and then the two batteries can be fixed in the sleeve 40; or one battery can be first fixed at one end of the sleeve 40, and then the functional unit 2 can be fixed in the sleeve 40, and then the other battery can be fixed at the other end of the sleeve 40.

[0054] In a specific embodiment, the functional unit 2 is bonded to the inside of the sleeve 40 and corresponds to the annular fixed boss 402 by epoxy glue; the battery cell 3 is then fixed to the flat plate portion 410 of the welding metal plate 41 facing the sleeve 40 by welding or conductive glue; then the two battery side walls of the battery cell 3 are coated with epoxy glue and placed together with the welding metal plate 41 on both sides of the fixed boss 402, and are bonded and cured on the inner wall 401 of the sleeve 40 by the epoxy glue; finally, the PCB board 1 is welded to the welding metal plate 41.

[0055] By bonding the functional unit 2 and the battery unit 3 to the sidewalls of the metal sleeve 40, contact between the battery unit 3 and the functional unit 2 is not affected. Furthermore, the length of the fixing boss 402 in the axial direction of the sleeve 40 is no greater than that of the functional unit 2, ensuring sufficient contact between the functional unit 2 and the battery unit 3 during installation. The PCB 1 and the battery unit 3 are connected to the welding metal plate 41 via welding or conductive adhesive, ensuring good structural stability and contact.

[0056] The PCB board 1, the functional unit 2 and the battery unit 3 are fixedly assembled by the fixing device 4, thereby avoiding the problem of parts falling off during operation of the capsule endoscope, ensuring good structural stability and electrical contact, and thus ensuring the working efficiency and detection accuracy of the capsule endoscope.

[0057] It should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each implementation method can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

[0058] The series of detailed descriptions listed above are only specific descriptions of feasible implementation methods of the present invention and are not intended to limit the scope of protection of the present invention. Any equivalent implementation methods or changes that do not deviate from the technical spirit of the present invention should be included in the scope of protection of the present invention.

Claims

1. A capsule endoscope, comprising a PCB assembly, a functional unit, and a battery unit electrically connected to the PCB assembly, wherein the PCB assembly comprises a plurality of PCB boards connected by a flexible circuit board; characterized in that: The capsule endoscope further comprises a fixing device, which comprises: A hollow sleeve, wherein the functional unit and the battery unit are fixed inside the sleeve; the sleeve includes a fixing boss protruding inward from the inner wall of the sleeve, the functional unit is fixed inside the fixing boss, and the battery unit is located on at least one side of the functional unit in the axial direction; The welding metal plates are located at both ends of the sleeve, the PCB board is fixed on the side of the welding metal plates facing away from the sleeve, and the battery unit and the PCB board are electrically connected to the welding metal plates.

2. The capsule endoscope according to claim 1, characterized in that The battery unit is located on one side of the functional unit along the axial direction, or the battery unit includes two batteries respectively located on two sides of the functional unit along the axial direction.

3. The capsule endoscope according to claim 1, wherein The fixing boss is located in the middle of the sleeve, and the battery unit includes two batteries respectively located on both sides of the functional unit along the axial direction.

4. The capsule endoscope according to claim 3, characterized in that In the axial direction of the sleeve, the length of the fixing boss is no greater than the length of the functional unit.

5. The capsule endoscope according to any one of claims 1 to 4, characterized in that: The fixing device further comprises adhesive between the functional unit and the sleeve, and between the battery unit and the sleeve.

6. The capsule endoscope according to any one of claims 1 to 4, characterized in that: The welding metal plate includes a flat plate portion and a plurality of welding legs protruding from a periphery of the flat plate portion toward a side away from the sleeve; The battery unit is welded to the side of the flat plate portion facing the sleeve, or the battery unit is electrically connected to the side of the flat plate portion facing the sleeve via conductive glue; The PCB board is welded to the welding feet.

7. A method for assembling a capsule endoscope, characterized in that: The steps include: Fixing the functional unit inside the sleeve; First, the battery unit is electrically connected to the welding metal plate, and then the battery unit is bonded to the interior of the sleeve; the sleeve includes a fixing boss protruding inward from the inner wall of the sleeve, the functional unit is fixed inside the fixing boss, and the battery unit is located on at least one side of the functional unit along the axial direction; The PCB board is welded to the welding metal plate, the welding metal plates are located at both ends of the sleeve, the PCB board is fixed on the side of the welding metal plate away from the sleeve, and the PCB board is electrically connected to the welding metal plate.

8. The method for assembling a capsule endoscope according to claim 7, wherein: The functional unit is fixed inside the sleeve by gluing.

9. The method for assembling a capsule endoscope according to claim 7, wherein: The welding metal plate includes a flat plate portion and a plurality of welding legs protruding from the periphery of the flat plate portion toward a side away from the sleeve; the battery cell is welded to the side of the flat plate portion facing the sleeve, or the battery cell is electrically connected to the side of the flat plate portion facing the sleeve through conductive glue.

10. The method for assembling a capsule endoscope according to any one of claims 7 to 9, characterized in that: The battery unit includes two batteries located on both sides of the functional unit along the axial direction. The assembly method of the capsule endoscope comprises: first fixing the functional unit in a sleeve, and then fixing two batteries electrically connected to the welded metal plates in the sleeve; Alternatively, the capsule endoscope assembly method includes: first fixing a battery electrically connected to a welded metal plate at one end of a sleeve, then fixing the functional unit in the sleeve, and then fixing another battery electrically connected to the welded metal plate at the other end of the sleeve.

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