CN217365786U

CN217365786U - Capsule endoscope

Info

Publication number: CN217365786U
Application number: CN202121262826.7U
Authority: CN
Inventors: 李文魁
Original assignee: Shenzhen Jifu Medical Technology Co ltd
Current assignee: Shenzhen Jifu Medical Technology Co ltd
Priority date: 2021-06-07
Filing date: 2021-06-07
Publication date: 2022-09-06
Anticipated expiration: 2031-06-07

Abstract

The utility model discloses a capsule endoscope, which comprises a shell, an illuminating module, a camera module, a battery, an antenna, a fixed sleeve, a fixed frame, a pressure detection module, a pressure sensing film, a first PCB, a second PCB and a third PCB; the first port of the fixed sleeve is open, the second port is partially closed, and the second PCB is fixed on the first port; the fixing frame comprises a first end face and a second end face, and the third PCB is positioned between the second port and the first end face; the pressure detection module is fixed on the second end face; the pressure sensing film is arranged at the bottom of the shell corresponding to the pressure detection module. The capsule endoscope has an image shooting function and a pressure detection function; moreover, all the functional modules are assembled into a whole, namely a capsule inner core, through the fixing sleeve and the fixing frame, so that the internal structure of the capsule endoscope is reasonable in distribution, convenient and quick to assemble, and the capsule endoscope is favorable for batch production.

Description

Capsule endoscope

Technical Field

The utility model relates to the field of medical equipment, concretely relates to capsule endoscope.

Background

Capsule endoscopes have been developed rapidly in recent years as a new type of physical examination solution for the digestive tract. The capsule endoscope has incomparable advantages of the traditional intubation type endoscope, has the advantages of convenient examination, no wound pain, no influence on normal life of patients and the like, and has the tendency of gradually replacing the traditional intubation type enterogastroscope. The gastrointestinal tract pressure detection can know the pressure change rule in the gastrointestinal tract, and has important reference value for the diagnosis of gastrointestinal motility. The existing capsule endoscope is used for shooting images of the gastrointestinal tract and detecting the pressure of the gastrointestinal tract, but the existing capsule endoscope for detecting the pressure of the gastrointestinal tract has a complex structure and high assembly difficulty.

SUMMERY OF THE UTILITY MODEL

In order to overcome at least one technical problem that exists among the above-mentioned prior art, the utility model provides a capsule endoscope, this capsule endoscope have image shooting function and pressure detection function to this capsule endoscope's inner structure distributes rationally, convenient assembling, swift.

The embodiment of the utility model provides a capsule endoscope, including translucent cover, casing, lighting module, camera module, battery, antenna, fixed sleeve, mount, pressure detection module, forced induction membrane to and the first PCB board, second PCB board, the third PCB board of connecting from top to bottom, the battery is located in the fixed sleeve;

the first port of the fixing sleeve is open, the second port of the fixing sleeve is partially closed, and the second PCB is fixed on the first port of the fixing sleeve;

the fixing frame comprises a first end face and a second end face, and the third PCB is positioned between the second port of the fixing sleeve and the first end face of the fixing frame;

the pressure detection module is fixed on the second end face of the fixing frame;

the pressure sensing film is arranged at the bottom of the shell corresponding to the pressure detection module.

In some embodiments, the pressure detection module includes a pressure sensor disposed on a pressure acquisition processing circuit board, and a pressure acquisition processing circuit board, the pressure sensor being in contact with the pressure sensing membrane.

In some embodiments, the first port of the fixing sleeve is provided with at least two first snaps, and the second PCB is fixed on the first port by the first snaps.

In some embodiments, the enclosed area of the second port of the fixed sleeve provides at least two first locating posts;

the first end face of the fixing frame is provided with at least two first bulges which are hollow, and the first positioning column is matched with the first bulges so as to connect and fix the fixing sleeve and the fixing frame;

the third PCB board be provided with the first trompil of first locating column adaptation, the third PCB board passes through first locating column with first trompil cooperation and location is in fixed sleeve with between the mount.

In some embodiments, the second end surface of the fixing frame is provided with a second buckle and a fixing wall, and the pressure acquisition processing circuit board is fixed on the second end surface through the second buckle and the fixing wall.

In some embodiments, the bottom of the housing is provided with a plurality of first ribs, each first rib has a first step surface and a second step surface, the first step surface is used for supporting the fixing frame, and the second step surface is used for supporting the pressure acquisition and processing circuit board.

In some embodiments, an insulating material and the antenna are sequentially disposed between the third PCB and the first end surface of the fixing frame from top to bottom.

In some embodiments, the capsule endoscope further comprises a magnet, the inner wall of the fixed sleeve is provided with a first elastic sheet and a second elastic sheet which protrude inwards, the first elastic sheet, the second elastic sheet and the inner wall of the fixed sleeve form a cavity, and the magnet is arranged in the cavity.

In some embodiments, the fixing sleeve is provided at an outer wall thereof extending in a longitudinal direction thereof with a receiving area in which the first flexible wiring board connecting the second PCB and the third PCB is placed.

In some embodiments, the outer wall of the fixation sleeve is provided with at least one groove extending longitudinally from the first port to the second port;

the inner side surface of the shell is provided with at least one second protrusion, and the second protrusion is matched with the groove. In some embodiments, an avoiding surface is disposed on a side surface of the fixing frame, and the avoiding surface is used for avoiding and connecting the third PCB and the second flexible circuit board of the pressure acquisition and processing circuit board.

In some embodiments, the inner side of the hollow portion of the first protrusion is provided with a plurality of second ribs.

In some embodiments, two sides of the first buckle are respectively provided with a first notch along the first port towards the second port.

In some embodiments, the port of the housing is provided with a third protrusion protruding inwards or outwards to form a first connection portion, the transparent cover is provided with a fourth protrusion protruding outwards or inwards to form a second connection portion, and the first connection portion and the second connection portion are sleeved with each other to form a limiting groove;

the second PCB board is clamped in the limiting groove.

In some embodiments, the pressure sensing membrane has a thickness of 0.1mm to 0.5 mm.

The embodiment of the utility model provides a capsule endoscope, including translucent cover, casing, lighting module, camera module, battery, antenna, fixed sleeve, mount, pressure detection module, forced induction membrane to and the first PCB board, second PCB board, the third PCB board of connecting from top to bottom, the battery is located in the fixed sleeve; the first port of the fixing sleeve is opened, the second port of the fixing sleeve is partially closed, and the second PCB is fixed on the first port of the fixing sleeve; the fixing frame comprises a first end face and a second end face, and the third PCB is positioned between the second port of the fixing sleeve and the first end face of the fixing frame; the pressure detection module is fixed on the second end face of the fixing frame; the pressure sensing film is arranged at the bottom of the shell corresponding to the pressure detection module. The capsule endoscope has an image shooting function and a pressure detection function; and each functional module is assembled into a whole, namely a capsule inner core, through the fixing sleeve and the fixing frame, so that the internal structure of the capsule endoscope is reasonable in distribution, convenient and quick to assemble, and the capsule endoscope is favorable for batch production.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the embodiments of the invention, but do not constitute a limitation of the embodiments of the invention.

In the drawings:

fig. 1 is a sectional view of a capsule endoscope according to an embodiment of the present invention;

FIG. 2 is a perspective view of a retaining sleeve of a capsule endoscope according to an embodiment of the present invention;

FIG. 3 is another perspective view of a retaining sleeve of a capsule endoscope provided in an embodiment of the present invention;

fig. 4 is a perspective view of a fixing frame of a capsule endoscope according to an embodiment of the present invention;

fig. 5 is another perspective view of the fixing frame of the capsule endoscope provided by the embodiment of the present invention;

fig. 6 is a top view of a capsule endoscope according to an embodiment of the present invention;

fig. 7 is a perspective view of a housing of a capsule endoscope according to an embodiment of the present invention;

fig. 8 is a perspective view of a capsule core of a capsule endoscope according to an embodiment of the present invention;

fig. 9 is a schematic structural diagram of each PCB board of the capsule endoscope according to an embodiment of the present invention. Description of the reference numerals:

a transparent cover 1, a shell 2, a first convex rib 201, a first step surface 202, a second step surface 203, a second bulge 204, a lighting module 3, a camera module 4, a battery 5 and an antenna 6,

a fixed sleeve 7, a first port 701, a second port 702, a closed area 703, a first buckle 704, a first positioning column 705, a first elastic sheet 706, a second elastic sheet 707, a cavity 708, an accommodating area 709, a groove 710 and a first cut 711,

a fixing frame 8, a first end face 801, a second end face 802, a first protrusion 803, a second buckle 804, a holding wall 805, an avoiding face 806, a second convex rib 807 and a through hole 808,

a pressure detection module 9, a pressure sensor 901, a pressure acquisition processing circuit board 902, a second clamping groove 9021, a pressure sensing film 10,

the PCB comprises a first PCB 11, a second PCB 12, a third PCB 13, a magnet 16, a first flexible circuit board 17, a second flexible circuit board 18, a first card slot 1201 and a first opening 1301.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is 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 illustrative of the invention and are not intended to limit the invention.

The capsule endoscope and its components provided by the embodiment of the present invention are shown in fig. 1-8, and the detailed description of the capsule endoscope and its components provided by the embodiment of the present invention will be given with reference to fig. 1 to 8.

The embodiment of the utility model provides a capsule endoscope, including translucent cover 1, casing 2, lighting module 3, camera module 4, battery 5, antenna 6, fixed sleeve 7, mount 8, pressure detection module 9, and to first PCB board 11, second PCB board 12, third PCB board 13 and the pressure acquisition processing circuit board 902 that from top to bottom connect, connect through the flexible line way between two adjacent circuit boards, battery 5 is located in fixed sleeve 7; the first port 701 of the fixing sleeve 7 is open, the second port 702 is partially closed, the second PCB 12 is fixed on the first port 701 of the fixing sleeve 7, the fixing frame 8 comprises a first end face 801 and a second end face 802, and the third PCB 13 is positioned between the second port 702 of the fixing sleeve 7 and the first end face 801 of the fixing frame 8; the pressure detection module 9 is fixed on the second end face 802 of the fixed frame 8; the pressure sensing film 10 is arranged at the bottom of the shell 2 corresponding to the pressure detection module.

Specifically, the lighting module 3 is fixed on one side of the first PCB 11 facing the transparent cover 1, the camera module 4 is fixed on one side of the second PCB 12 facing the transparent cover 1, and two electrodes of the battery 5 are electrically connected to the second PCB 12 and the third PCB 13 respectively. The first PCB 11 is provided with a through hole 808 (not shown in the figure) for a camera (not shown in the figure) of the camera module 4 to pass through towards the transparent cover 1; the camera is located in the transparent cover 1 through the through hole 808. The camera module 4 is in communication connection with the second PCB 12, and the second PCB 12 is used for acquiring and processing images.

Illumination module 3's illumination zone with module 4's shooting range part coincidence or whole coincidence are made a video recording, illumination module 3 passes through translucent cover 1 provides the light in giving the alimentary canal, is convenient for module 4 sees through translucent cover 1 shoots.

The fixing sleeve 7 and the fixing frame 8 are made of high polymer materials, and can be made of one or more materials of polypropylene, ABS, polycarbonate or polyimide.

The fixing sleeve 7 is integrally cylindrical, a first port 701 of the fixing sleeve is open, and a second port 702 of the fixing sleeve is partially closed, so that the pole pieces of the battery 5 can penetrate through the unclosed holes to be welded with the third PCB 13 conveniently. The second PCB 12 is fixed to the first port 701 of the fixing sleeve 7, for example, by snapping, or by gluing or the like, so as to fix the second PCB 12 to the first port 701 of the fixing sleeve 7. The fixing frame 8 comprises a first end face 801 and a second end face 802, and the first end face 801 of the fixing frame 8 is connected with the closed area 703 of the second port 702 of the fixing sleeve 7, so that the third PCB 13 is positioned between the second port 702 of the fixing sleeve 7 and the first end face 801 of the fixing frame 8.

The pressure-sensitive membrane 10 is made of a polymer material, such as silicone rubber, thermoplastic polyurethane elastomer rubber, synthetic rubber, or the like. The pressure sensing membrane 10 is arranged at the bottom of the shell 2 corresponding to the pressure detection module, and the pressure sensing membrane 10 and the bottom of the shell 2 form a pressure groove which is sunken from inside to outside. When the pressure sensing membrane 10 is compressed, the pressure detection module collects and determines a value or a value range of the pressure received by the pressure sensing membrane, further, the thickness of the pressure sensing membrane 10 is 0.1mm to 0.5mm, for example, the thickness of the pressure sensing membrane 10 may be 0.1mm, or 0.3mm, or 0.5mm, which is not enumerated herein. The embodiment of the utility model provides a capsule endoscope, by lighting module 3, camera module 4, first PCB board 11, second PCB board 12, third PCB board 13 constitution capsule endoscope's image device, this imaging unit is used for carrying out the image shooting to the alimentary canal; the capsule endoscope is characterized in that a pressure detection device of the capsule endoscope consists of a pressure detection module 9 and a pressure sensing film 10, the pressure detection device is used for detecting the pressure in the alimentary canal, and the capsule endoscope has multiple functions; moreover, the imaging device and the pressure detection device are integrated into a whole through the fixing sleeve 7 and the fixing frame 8, namely the capsule inner core, so that the internal structure of the capsule endoscope is reasonable in distribution, convenient and fast to assemble, and the capsule endoscope is favorable for batch production.

In some embodiments, the pressure detection module 9 includes a pressure sensor 901 and a pressure acquisition processing circuit board 902, the pressure sensor 901 is disposed on the pressure acquisition processing circuit board 902, and the pressure sensor 901 is in contact with the pressure sensing membrane 902.

Specifically, the pressure sensor 901 may be fixedly connected to the pressure acquisition processing circuit board 902 by soldering. The pressure collecting and processing circuit board 902 can be fixed on the second end face 802 of the fixing frame 8 by means of fastening, bonding, and the like. The pressure sensor 901 is accommodated in a pressure groove formed at the bottom of the pressure sensing diaphragm 10 and the housing 2, and the pressure sensor 901 is in contact with the pressure sensing diaphragm 10, when the outer side wall of the pressure sensing diaphragm 10 is pressed, the pressure sensing diaphragm 10 deforms towards the inner cavity of the housing 2 in a concave manner and touches the pressure sensor 901, thereby completing the pressure detection.

In some embodiments, the first port 701 of the fixing sleeve 7 is provided with at least two first snaps 704, and the second PCB 12 is fixed on the first port 701 by the first snaps 704. Specifically, the first port 701 is provided with four first fasteners 704 for example, and the four first fasteners 704 are arranged along the circumferential direction of the first port 701 and are uniformly distributed, so that the second PCB 12 is fixed on the first port 701 through the first fasteners 704, and is uniformly stressed and does not tilt. The upper surface of the second PCB 12 abuts against the fastening surface of the first fastener 704, and the lower surface of the second PCB 12 abuts against the end surface of the first port 701. The fastening surface of the first fastener 704 is a plane, that is, the fastening surface is parallel to the end surface of the first port 701; the buckling surface can also be an inclined surface, namely, a certain included angle is formed between the buckling surface and the end surface of the first port 701, and the inclined surface is arranged for facilitating the buckling surface to be separated from a mold cavity in the mold forming process; the angle of the inclined plane can be adjusted according to the difficulty degree of demoulding. The second PCB 12 is fixed at the first port 701 of the fixing sleeve 7 through the first buckle 704, and the structure is simple and the assembly is convenient. Further, two sides of the first buckle 704 are respectively opened with a first cut 711 along the first port 701 toward the second port 702.

Specifically, two sides of each first clip 704 are opened with a first cut 711 facing the second port 702 along the first port 701 of the fixing sleeve 7 to increase the elasticity of the first clip 704, so that the second PCB 12 can be more easily clipped into the first clip 704, and the depth of the first cut 711 can be adjusted according to the difficulty of clipping the second PCB 12 into the first clip 704.

As shown in fig. 9, in some embodiments, the second PCB board 12 is provided with at least two first card slots 1201 for mating with the first snaps 704.

Specifically, the second PCB 12 is provided with a first slot 1201 corresponding to the first buckle 704, the first buckle 704 clamps the second PCB 12 into the first buckle 704 through the first slot 1201 for fixation during assembly, and the first buckle 704 limits the first slot 1201 of the second PCB 12, so that the second PCB 12 is positioned in the circumferential direction of the fixing sleeve 7.

In some embodiments, enclosed area 703 of the second port 702 of the fixation sleeve 7 is provided with at least two first positioning posts 705; at least two first protrusions 803 are arranged on the first end surface 801 of the fixing frame 8, the first protrusions 803 are hollow, and the first positioning column 705 is matched with the first protrusions 803 to connect and fix the fixing sleeve 7 and the fixing frame 8; the third PCB 13 is provided with a first hole 1301 (not shown in the figures) adapted to the first positioning column 705, and the third PCB 13 is positioned between the fixing sleeve 7 and the fixing frame 8 by the first positioning column 705 cooperating with the first hole 1301.

Specifically, four first positioning posts 705 are provided in the closed area 703 of the second port 702 of the fixed sleeve 7. The fixing frame 8 may be circular, for example, four first protrusions 803 are disposed on the first end surface 801 of the fixing frame 8, the first protrusions 803 are hollow, the shape of the first protrusions 803 may be circular, square or other shapes, and the first positioning column 705 is matched with the first protrusions 803, that is, the first positioning column 705 is inserted into the hollow of the first protrusions 803. The third PCB 13 is provided with a first opening 1301 adapted to the first positioning column 705, the outer diameter of the first protrusion 803 is larger than the inner diameter of the first opening 1301, and when the first positioning column 705 of the fixing sleeve 7 is pressed into the hollow space of the first protrusion 803 of the fixing frame 8, the third PCB 13 is limited in the Z-axis direction.

In some embodiments, the second end face 802 of the fixing frame 8 is provided with a second buckle 804 and a holding wall 805, and the pressure acquisition processing circuit board 902 is fixed on the second end face 802 through the second buckle 804 and the holding wall 805.

Specifically, the second end face 802 of the fixing frame 8 is provided with a plurality of protruding holding walls 805 and a plurality of second fasteners 804, for example, four holding walls 805 and four second fasteners 804 are taken as an example in the embodiment, and the shape of the holding walls 805 is adapted to the pressure acquisition processing circuit board 902. The four retaining walls 805 are surrounded to form a groove 710, a second buckle 804 is disposed between every two retaining walls 805, and the pressure acquisition processing circuit board 902 is supported by the retaining walls 805 and fixed by the second buckle 804. Further, two sides of the second buckle 804 are provided with second notches (not shown in the figure) to increase the elasticity of the second buckle 804, so that the pressure acquisition processing circuit board 902 can be more easily clamped into the second buckle 804, and the depth of the second notches can be adjusted according to the difficulty of clamping the pressure acquisition processing circuit board 902 into the second buckle 804. The upper surface of the pressure acquisition processing circuit board 902 abuts against the surface of the holding wall 805, and the lower surface of the pressure acquisition processing circuit board 902 abuts against the fastening surface of the second fastener 804. Further, each second buckle 804 is provided with a corresponding through hole 808 to facilitate the molding of the mold.

In some embodiments, the pressure acquisition processing circuit board 902 is provided with a second clamping groove 9021 corresponding to the second buckle 804, and when the pressure acquisition processing circuit board 902 is assembled, the pressure acquisition processing circuit board 902 is clamped into the second buckle 804 through the second clamping groove 9021, so that the pressure acquisition processing circuit board 902 is fixed.

In some embodiments, a plurality of first ribs 201 are disposed at the bottom of the housing 2, the first ribs 201 have a first step surface 202 and a second step surface 203, the first step surface 202 is used for supporting the fixing frame 8, and the second step surface 203 is used for supporting the pressure acquisition processing circuit board 902.

Specifically, the first rib 201 and the housing 2 may be integrally formed, a plurality of first ribs 201 are distributed along the circumference of the bottom of the housing 2, and each first rib 201 has a first step surface 202 and a second step surface 203. In the shell 2 of the capsule endoscope, the first step surface 202 plays a role of supporting the fixed frame 8, namely, the first step surface 202 abuts against the second end surface 802 of the fixed frame 8; the second step surface 203 functions to support the pressure-collecting processing circuit board 902, that is, the second step surface 203 abuts against the lower surface of the pressure-collecting processing circuit board 902.

In some embodiments, an insulating material (not shown in the figures) and the antenna 6 are arranged between the third PCB 13 and the first end 801 of the fixing frame 8 in sequence from top to bottom.

In particular, the insulating material (not shown in the figures) may be foam or other non-conductive material, and the insulating material may isolate the radiator of the antenna 6 from the ground of the third PCB board 13 and maintain a certain spatial distance, which is favorable for the radiation of the signal of the antenna 6. The height of the insulating material can be designed on the basis of not affecting the performance of the antenna 6, so that the antenna 6 is far away from the radio frequency transmitter, the battery 5 and other affected metal devices as far as possible, and the performance of the antenna 6 is improved. Further, the height of the first protrusion 803 is designed according to the height of the insulating material. In some embodiments, the antenna 6 may also be arranged in the gap between the housing 2 of the capsule endoscope and the fixing sleeve 7, which may eliminate the need for insulating material, thereby saving the inner space of the capsule endoscope and making it possible to make the capsule endoscope smaller.

In some embodiments, the capsule endoscope further comprises a magnet 16, the inner wall of the fixed sleeve 7 is provided with a first elastic sheet 706 and a second elastic sheet 707 protruding inwards, the first elastic sheet 706, the second elastic sheet 707 and the inner wall of the fixed sleeve 7 form a cavity 708, and the magnet 16 is placed in the cavity 708. Specifically, the magnet 16 may be a permanent magnet or an electromagnet. When the permanent magnet is adopted, the whole permanent magnet can be in a long strip shape, and the cross section of the permanent magnet can be in an oval shape, a square shape or other shapes. The first elastic sheet 706 and the second elastic sheet 707 extend to the inner wall of the fixed sleeve 7, and further, the cross-sectional shapes enclosed by the first elastic sheet 706, the second elastic sheet 707 and the inner wall of the fixed sleeve 7 are approximately consistent with the cross-sectional shape of the permanent magnet. Further, an opening with a certain distance may be disposed between the first elastic sheet 706 and the second elastic sheet 707, and when an external force is applied to the first elastic sheet 706 and the second elastic sheet 707 along the opposite direction of the X axis, the first elastic sheet 706 and the second elastic sheet 707 may generate a resilient force in the X direction. As shown in fig. 6, the dimension of the permanent magnet in the X direction is larger than the dimension from the inner walls of the first elastic sheet 706 and the second elastic sheet 707 to the inner wall of the fixing sleeve 7, and when the permanent magnet is assembled along the Z axis of the fixing sleeve 7, the permanent magnet applies a force in the opposite direction of the X axis to the first elastic sheet 706 and the second elastic sheet 707, so that the first elastic sheet 706 and the second elastic sheet 707 generate a resilient force to clamp the permanent magnet between the first elastic sheet 706, the second elastic sheet 707 and the inner wall of the fixing sleeve 7. In the X-axis direction, the larger the size of the permanent magnet is, the smaller the sizes of the first elastic sheet 706, the second elastic sheet 707 and the inner wall of the fixing sleeve 7 are, the larger the clamping force is, otherwise, the smaller the clamping force is, and finally the permanent magnet is placed between the second PCB 12 and the closed area 703 of the second port 702 of the fixing sleeve 7, and two end surfaces of the permanent magnet are limited by the second PCB 12 and the closed area 703, so that the permanent magnet does not shift even if the capsule endoscope is subjected to a large external impact force; and the permanent magnet is clamped by the first elastic sheet 706, the second elastic sheet 707 and the inner wall of the fixed sleeve 7, and is accommodated in a space enclosed by the second PCB 12 and the closed area 703 of the second end face 802 of the fixed sleeve 7, so that the permanent magnet is convenient to assemble, the trouble of fixing by glue is avoided, and the fixing mode is more reliable than the glue fixing.

The battery 5 of the capsule endoscope can be a polymer battery, and compared with a silver oxide battery used by the traditional capsule endoscope, the battery has the advantages of small mass, strong load capacity, high energy density and the like, so that the weight of the capsule endoscope can be greatly reduced; however, compared with the conventional silver oxide battery with a regular shape, the polymer battery is wrapped with a plastic film for further weight reduction, resulting in the polymer battery having no regular shape; two ends of the polymer battery are respectively welded with the second PCB 12 and the third PCB 13 through conductive pole pieces, so that power supply of the polymer battery and each PCB is realized. The polymer battery is arranged in the inner space of the fixed sleeve 7 except for the cavity 708 formed by the first elastic sheet 706 and the second elastic sheet 707 in a surrounding manner, and two ends of the fixed sleeve 7 are finally respectively sealed by the second PCB 12 and the third PCB 13, so that even if the shape of the polymer battery is irregular, the assembly of the whole capsule endoscope cannot be influenced. In addition, the fixing sleeve 7 may act as a barrier between the capsule endoscope and the battery 5 arranged inside the capsule endoscope, which may prevent overheating of the casing 2 of the capsule endoscope in case of short circuit inevitably resulting from overheating of the battery 5; the battery 5 is arranged in the fixed sleeve 7 to form a closed space, and dust carried by the battery 5 or other substances produced by the battery 5 in a certain specific environment cannot pollute the transparent cover 1 to influence the shooting of the lens; the battery 5 with irregular shape is arranged in the fixed sleeve 7, so that the problem that the capsule core in the shell 2 of the capsule endoscope is inclined and inconvenient to assemble due to the irregular shape of the battery 5 is solved.

In some embodiments, the fixing sleeve 7 is provided with a receiving area 709 at an outer wall extending in a longitudinal direction thereof, and the first flexible wiring board 17 connecting the second PCB 12 and the third PCB 13 is placed in the receiving area 709.

Specifically, the receiving area 709 may be in the form of a relief surface or a concave groove, and the first flexible printed circuit 17 connecting the second PCB 12 and the third PCB 13 is disposed in the receiving area 709.

In some embodiments, the outer wall of the fixation sleeve 7 is provided with at least one groove 710 extending longitudinally from the first port 701 to the second port 702; at least one second protrusion 204 is disposed on the inner side surface of the housing 2, and the second protrusion 204 is matched with the groove 710.

Specifically, the outer wall of the fixing sleeve 7 is provided with grooves 710 extending longitudinally from the first port 701 to the second port 702, the inner side surface of the housing 2 is provided with second protrusions 204, the number of the grooves 710 is the same as that of the second protrusions 204, and the cross section of the grooves 710 may be arc-shaped, square-shaped or other shapes. The second projection 204 cooperates with the recess 710 to position the fixing sleeve 7 in the circumferential direction of the housing 2 of the capsule endoscope, and also to guide during assembly of the internal components of the capsule endoscope.

In some embodiments, the side surface of the fixing frame 8 is provided with an avoiding surface 806, and the avoiding surface 806 is used for avoiding the second flexible circuit board 18 connected with the third PCB 13 and the pressure acquisition processing circuit board 902.

Specifically, an avoiding surface 806 on the side surface of the fixing frame 8 and the inner wall of the housing 2 form an accommodating space, and the second flexible circuit board 18 connecting the third PCB 13 and the pressure acquisition processing circuit board 902 is located in the accommodating space.

In some embodiments, a plurality of second ribs 807 are disposed on the inner side surface of the hollow portion of the first protrusion 803. Specifically, a plurality of second ribs 807 are arranged on the inner side surface of the hollow portion of the first protrusion 803, the hollow portion of the first protrusion 803 is matched with the first positioning column 705 of the fixing sleeve 7, and the second ribs 807 interfere with the first positioning column 705, because the fixing sleeve 7 and the fixing frame 8 are both made of high polymer materials and can bear a certain deformation amount, when the first positioning column 705 of the fixing sleeve 7 is forcibly pressed into the first protrusion 803 of the fixing frame 8, the second ribs 807 are pressed and deformed, and the first positioning column 705 is clamped by a reverse acting force generated by the deformation of the second ribs 807, so that the first positioning column 705 of the fixing sleeve 7 is difficult to be separated from the first protrusion 803 of the fixing frame 8, and the fixing frame 8 and the fixing sleeve 7 can be tightly connected together.

In some embodiments, the port of the housing 2 is provided with a third protrusion protruding inward or outward to form a first connection portion (not shown in the figures), the first transparent cover 1 is provided with a fourth protrusion protruding outward or inward to form a second connection portion (not shown in the figures), and the first connection portion (not shown in the figures) and the second connection portion (not shown in the figures) are sleeved with each other to form a limiting groove; the second PCB 12 is snapped into the limiting groove.

Specifically, the fixing sleeve 7 and the fixing frame 8 connect the circuit boards and the functional modules into a whole, namely, the capsule core, and the second PCB 12 can be fixed by the limiting groove, so that the capsule core of the capsule endoscope is fixed in the shell 2 and the transparent cover 1, the assembly is convenient, and the production efficiency is improved.

The embodiment of the utility model provides a capsule endoscope, by lighting module 3, camera module 4, first PCB board 11, second PCB board 12, third PCB board 13 constitution capsule endoscope's image device, this imaging unit is used for carrying out the image shooting to the alimentary canal; the pressure acquisition processing circuit board 902, the pressure sensor 901 and the pressure sensing film 10 form a pressure detection device of the capsule endoscope, the pressure detection device is used for detecting the pressure in the alimentary canal, and the capsule endoscope has multiple functions; moreover, the imaging device and the pressure detection device are integrated into a whole through the fixed sleeve 7 and the fixed frame 8, namely a capsule inner core, so that the internal structure of the capsule endoscope is reasonable in distribution and convenient and rapid to assemble; and, the capsule core is convenient with the convenient assembling of casing 2, reduces the use of frock tool, improves production efficiency.

The above describes in detail optional implementation manners of embodiments of the present invention with reference to the accompanying drawings, however, the embodiments of the present invention are not limited to the details in the above implementation manners, and in the technical concept scope of the embodiments of the present invention, it is possible to perform various simple modifications on the technical solutions of the embodiments of the present invention, and these simple modifications all belong to the protection scope of the embodiments of the present invention. It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. In order to avoid unnecessary repetition, the embodiments of the present invention do not separately describe various possible combinations.

In addition, various different implementations of the embodiments of the present invention can be combined arbitrarily, and as long as it does not violate the idea of the embodiments of the present invention, it should also be regarded as the disclosure of the embodiments of the present invention.

Claims

1. The utility model provides a capsule endoscope, includes translucent cover, casing, lighting module, camera module, battery, antenna, its characterized in that still includes: the battery comprises a fixed sleeve, a fixed frame, a pressure detection module, a pressure sensing membrane, a first PCB, a second PCB and a third PCB which are connected from top to bottom, wherein the battery is positioned in the fixed sleeve;

2. The capsule endoscope of claim 1, wherein the pressure detection module comprises a pressure sensor and a pressure-collecting processing circuit board, the pressure sensor being disposed on the pressure-collecting processing circuit board, the pressure sensor being in contact with the pressure-sensing membrane.

3. The capsule endoscope of claim 1, wherein the first port of the fixation sleeve is provided with at least two first snaps, by which the second PCB board is fixed to the first port.

4. The capsule endoscope of claim 1, wherein the enclosed area of the second port of the fixed sleeve provides at least two first positioning posts;

the first end face of the fixing frame is provided with at least two first bulges, the first bulges are hollow, and the first positioning column is matched with the first bulges so as to connect and fix the fixing sleeve and the fixing frame;

5. The capsule endoscope of claim 2, wherein the second end face of the fixing frame is provided with a second buckle and a holding wall, and the pressure acquisition processing circuit board is fixed on the second end face through the second buckle and the holding wall.

6. The capsule endoscope of claim 2, wherein the bottom of the housing is provided with a plurality of first ribs having a first step surface for supporting the fixing frame and a second step surface for supporting the pressure acquisition processing circuit board.

7. The capsule endoscope of claim 4, wherein an insulating material and the antenna are disposed in this order from top to bottom between the third PCB and the first end surface of the mount.

8. The capsule endoscope of claim 1, further comprising a magnet, wherein the inner wall of the fixed sleeve is provided with a first spring plate and a second spring plate which protrude inwards, the first spring plate, the second spring plate and the inner wall of the fixed sleeve form a cavity, and the magnet is arranged in the cavity.

9. The capsule endoscope of claim 1, wherein the fixing sleeve is provided with a housing area in its longitudinally extending outer wall, in which a first flexible wiring board connecting the second PCB board and the third PCB board is placed.

10. The capsule endoscope of claim 1, wherein the outer wall of the fixation sleeve is provided with at least one groove extending longitudinally from the first port to the second port;

the inner side surface of the shell is provided with at least one second protrusion, and the second protrusion is matched with the groove.

11. The capsule endoscope of claim 2, wherein an avoiding surface is arranged on a side surface of the fixing frame, and the avoiding surface is used for avoiding a second flexible circuit board which is connected with the third PCB and the pressure acquisition processing circuit board.

12. The capsule endoscope of claim 4, wherein the inner side of the hollow portion of the first protrusion is provided with a plurality of second ribs.

13. The capsule endoscope of claim 3, wherein two sides of the first buckle are respectively provided with a first cut along the first port towards the second port.

14. The capsule endoscope of claim 1, wherein the port of the housing is provided with a third protrusion protruding inward or outward to form a first connection portion, the transparent cover is provided with a fourth protrusion protruding outward or inward to form a second connection portion, and the first connection portion and the second connection portion are sleeved with each other to form a limiting groove;

the second PCB board is clamped in the limiting groove.

15. The capsule endoscope of claim 1, wherein the pressure sensitive membrane has a thickness of 0.1mm to 0.5 mm.