CN109805885B - Capsule endoscope of convenient equipment - Google Patents
Capsule endoscope of convenient equipment Download PDFInfo
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- CN109805885B CN109805885B CN201910192355.8A CN201910192355A CN109805885B CN 109805885 B CN109805885 B CN 109805885B CN 201910192355 A CN201910192355 A CN 201910192355A CN 109805885 B CN109805885 B CN 109805885B
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- SEWHDNLIHDBVDZ-UHFFFAOYSA-N 1,2,3-trichloro-4-(2-chlorophenyl)benzene Chemical compound ClC1=C(Cl)C(Cl)=CC=C1C1=CC=CC=C1Cl SEWHDNLIHDBVDZ-UHFFFAOYSA-N 0.000 description 1
- NRBNBYFPJCCKTO-UHFFFAOYSA-N 1,2,5-trichloro-3-(2-chlorophenyl)benzene Chemical compound ClC1=CC(Cl)=C(Cl)C(C=2C(=CC=CC=2)Cl)=C1 NRBNBYFPJCCKTO-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention relates to the technical field of medical instruments, and discloses a capsule endoscope convenient to assemble, which comprises a capsule shell, an optical front cover, a capsule core positioned in the capsule shell, and a bracket fixedly connected with the capsule core, wherein the bottom of the capsule shell is provided with a vertical first positioning column deviating from the rotation center of the capsule core, the bottom of the bracket is provided with a first positioning hole in clearance fit with the first positioning column, the capsule core is prevented from rotating in the capsule shell, and quality accidents such as failure, unstable performance and the like of the capsule endoscope caused by rotation of the capsule core are avoided. The top of capsule shell is equipped with the fixture block, and this fixture block and capsule nuclear joint prevent that the capsule nuclear from bouncing naturally when should installing the capsule nuclear in the capsule shell from this, has improved production efficiency, has reduced the frock tool of assembly process, has reduced the defective rate that the optics protecgulum brought because of the scratch.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a capsule endoscope convenient to assemble.
Background
A capsule endoscope, which is a capsule-shaped endoscope and is a medical instrument for examining the intestinal tract of a human body. The capsule endoscope has small volume, can be swallowed and then enters the human body cavity, and is used for snooping the health condition of the human body intestines and stomach or esophagus and other parts.
The capsule endoscope comprises a capsule shell, an optical front cover and a capsule core positioned in the capsule shell, wherein the capsule core comprises an imaging system, an illumination system, a signal receiving and transmitting system, a power supply and a circuit board. The conventional capsule endoscope mainly has the following problems: 1) The capsule shell is internally provided with a structure for preventing the capsule core from rotating, and once the capsule core rotates in the capsule shell, the capsule core is likely to cause the adverse phenomena of failure, unstable performance and the like of a capsule endoscope; 2) When the optical front cover of the capsule is assembled, the capsule core can naturally bounce after being placed in the capsule shell, and the assembly difficulty is high due to the fact that a tooling fixture is required to assist in assembly; 3) When the fixture is used for assembly, the fixture contacts the optical front cover, so that the reject ratio of the optical front cover is high.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide a capsule endoscope which is convenient to assemble and disassemble a capsule core.
In order to achieve the above purpose, the invention adopts the following technical scheme: a capsule endoscope which is convenient to assemble, comprises a capsule shell, an optical front cover and a capsule core positioned in the capsule shell, and also comprises one of the following four structures, or any combination of the three structures one to three, or the combination of the three structures three and four:
structure one: the capsule comprises a bracket connected with the capsule core, wherein at least one first limiting part is arranged on the inner wall of the capsule shell, a first clamping part matched with the first limiting part is arranged on the bracket, and the first limiting part is matched with the first clamping part to prevent the capsule core and/or the bracket from rotating;
And (2) a structure II: the capsule comprises a bracket connected with the capsule shell, wherein at least one second limiting part is arranged on the bracket, a second clamping part matched with the second limiting part is arranged on the capsule core, and the second limiting part is matched with the second clamping part to realize the connection between the capsule core and the bracket;
and (3) a structure III: the inner wall of the capsule shell is provided with a third limiting part, and when the capsule core is installed in the capsule shell, the third limiting part is clamped with the capsule core to prevent the capsule core from naturally bouncing up;
and (3) a structure IV: the capsule comprises a support integrally formed with a capsule shell, at least one fourth limiting part is arranged on the support, a fourth clamping part matched with the fourth limiting part is arranged on a capsule core, and the fourth limiting part is matched with the fourth clamping part to prevent the capsule core from rotating.
In the technical scheme, the support in the first structure is connected with the capsule core, the support is clamped with the capsule shell, the capsule core is connected with the capsule shell through the support, the capsule core is prevented from rotating, and the capsule core is convenient to install and detach. And the support in the structure II is connected with the capsule shell, the support is connected with the capsule core in a clamping way, the capsule core is connected with the capsule shell through the support, the capsule core is prevented from rotating, and the capsule core is convenient to install and detach. And in the structure III, the third limiting part is arranged to prevent the capsule core from naturally bouncing up, so that the tooling fixture in the assembly process is reduced. Compared with the combination of the first structure and the second structure, the support and the capsule shell are integrally formed in the fourth structure, so that the capsule core and the capsule shell are clamped, the capsule core is prevented from rotating, and the capsule core is convenient to install and detach.
Further, the capsule core comprises N PCB boards, the first and second … … N PCB boards are sequentially arranged from top to bottom from the optical front cover end, N is a positive integer, every two PCB boards are connected through an FPC flexible flat cable, and an accommodating space for accommodating devices is formed between every two PCB boards.
Therefore, devices such as an imaging system, an illumination system, a signal receiving and transmitting system or a power supply and the like can be arranged between the two PCBs; the FPC flexible flat cable has certain elasticity, and is convenient to install the device in the accommodation space.
Further, the first limiting part in the first structure is a vertical first positioning column which is arranged at the bottom of the capsule shell and deviates from the rotation center of the capsule core, the first clamping part is a vertical first positioning hole arranged at the bottom of the bracket, and the first positioning column is in clearance fit with the first positioning hole.
The first positioning column is arranged away from the rotation center of the capsule core, and can prevent the capsule core from rotating in the capsule shell after being matched with the first positioning hole; the first positioning column is in clearance fit with the first positioning hole, so that the first positioning column is more convenient to detach compared with interference fit; the first positioning column is vertically arranged, and compared with the inclined or transverse arrangement, the capsule core can be more easily installed in the capsule shell; the connection mode of the first positioning column and the first positioning hole is simple in structure and high in practicability.
Further, the second limiting part in the second structure is a vertical second positioning column arranged at the top of the bracket, the second clamping part is a vertical second positioning hole arranged on the N-th PCB, and the second positioning column and the second positioning hole are in adhesive or interference fit.
The bracket is connected with the PCB at the lowest end in the capsule core, and compared with other PCB above the bracket, the bracket is convenient to connect; the second positioning column is adhered or in interference fit with the second positioning hole, so that the bracket and the capsule core are fixedly connected together; the connection mode of second reference column and second locating hole, simple structure, the practicality is strong.
Further, the third limiting part in the third structure is an elastic clamping block transversely arranged at the top of the capsule shell, the M-th PCB is clamped in the capsule shell, M is a positive integer less than or equal to N, and the M-th PCB and the PCB above the M-th PCB are fixedly connected with other devices in the capsule core.
The M-th PCB and the PCB above the M-th PCB are fixedly connected with other devices in the capsule core, the clamping block clamps the M-th PCB in the capsule shell, so that the capsule core is prevented from rebounding, the structure is simple, and the practicability is high.
Further, the fourth limiting part in the fourth structure is a vertical fourth positioning column arranged at the top of the bracket, the fourth clamping part is a vertical fourth positioning hole arranged on the N-th PCB board, and the fourth positioning column is in clearance fit with the fourth positioning hole.
After the support and the capsule shell are integrally formed, the fourth positioning column is in clearance fit with the fourth positioning hole, the structure is simple, the capsule core is convenient to install and detach, and the maintenance is convenient.
Further, the capsule core further comprises an antenna connected with the Nth PCB, an antenna positioning hole is formed in the support, and the antenna is located in the antenna positioning hole. The antenna is connected with the PCB at the lowest end and limited by the antenna positioning hole on the bracket, so that the problem of signal difference caused by antenna deflection can be prevented.
Further, the antenna is in a spiral column shape, one end of the antenna is electrically connected with the Nth PCB, and the other end of the antenna is a free end.
Further, the number of the second positioning columns in the second structure and/or the fourth structure is two, and the two second positioning columns are positioned at two sides of the antenna positioning hole. And compared with the two second positioning columns, the two second positioning columns are arranged, so that the capsule core is firmly connected with the bracket.
Further, the bottom shape of the support in the first and/or second structure is adapted to the bottom shape of the capsule housing.
Compared with the prior art, the invention has the following beneficial effects:
(1) The signal problem caused by antenna deflection is solved;
(2) After the fool-proof design with the first positioning column and the first positioning hole, quality accidents such as failure of the capsule endoscope, unstable performance and the like caused by rotation of the capsule core are prevented;
(3) After the clamping blocks are arranged on the capsule shell, the production efficiency is improved, and the tooling jig in the assembly process is reduced;
(4) The reject ratio of the optical front cover caused by scratch is reduced;
(5) The capsule core has more integrity and is convenient to repair;
(6) Compared with the method of fixing the capsule core in the diameter direction, the method of fixing the capsule core in the up-down direction enables the maximum diameter of the capsule endoscope to be smaller and more precise.
Drawings
Fig. 1 is a schematic view showing an internal structure of a capsule endoscope according to a first embodiment of the present application.
Fig. 2 is a schematic structural view of a capsule housing according to a first embodiment of the present application.
Fig. 3 is a schematic structural view of a bracket according to a first embodiment of the present application.
Fig. 4 is a schematic structural diagram of a capsule core according to a first embodiment of the present application.
Fig. 5 is a schematic diagram illustrating the internal structures of the capsule housing and the support in the second embodiment of the present application.
Reference numerals in the drawings of the specification include: the optical front cover 1, the capsule shell 2, the first positioning column 21, the clamping block 22, the upper ring table 23, the bracket 3, the antenna positioning hole 31, the second positioning column 32, the first positioning hole 33, the fourth positioning column 34, the capsule core S, the first PCB 41, the second PCB 42, the third PCB 43, the fourth PCB 44, the second positioning hole 441, the FPC flexible flat cable 5 and the antenna 6.
Detailed Description
In the description of the present invention, it should be understood that the directions or positional relationships indicated by the terms "transverse", "vertical", "upper", "lower", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
The following are specific embodiments of the present invention and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.
Example 1
As shown in fig. 1, a capsule endoscope which is convenient to assemble includes a capsule housing 2, an optical front cover 1, and a capsule core S located within the capsule housing 2, both the capsule housing 2 and the optical front cover 1 being made of plastic having elasticity, such as medical PC material. As shown in fig. 2, an upper ring table 23 is disposed at the top of the capsule shell 2, a lower ring table matched with the outer wall of the upper ring table 23 in a clamping manner is disposed on the optical front cover 1, the capsule shell 2 and the optical front cover 1 are fixed by the upper ring table 23 and the lower ring table in a clamping manner, and the upper ring table 23 and the lower ring table are not described in detail herein.
As shown in fig. 1, the capsule endoscope is further provided with a bracket 3, and as can be seen in fig. 2 and 3, the bottom shape of the bracket 3 is preferably adapted to the bottom shape of the capsule housing 2; at least one first limiting part is arranged on the inner wall of the capsule shell 2, and a first clamping part matched with the first limiting part of the capsule shell 2 is arranged on the bracket 3. In this embodiment, the number of the first limiting parts is preferably one, which is a first vertical positioning column 21 arranged at the bottom of the capsule shell 2 and deviating from the rotation center of the capsule core S, and the first clamping part is a first vertical positioning hole 33 arranged at the bottom of the bracket 3, and the first positioning column 21 is in clearance fit with the first positioning hole 33.
It should be noted that the positions of the first positioning posts 21 and the first positioning holes 33 are interchangeable, i.e. the first positioning holes 33 are provided on the capsule housing 2; the connection mode of the support 3 and the capsule shell 2 is not limited to the mode of clearance fit with the first positioning hole 33 through the first positioning column 21, and other clamping modes can be adopted, for example, the bottom of the support 3 is in a triangle, square or oval shape and other non-circular shape, and the bottom of the capsule shell 2 is provided with a hole matched with the shape of the bottom of the support 3, so that the support 3 and the capsule shell 2 are clamped, and the capsule core S is prevented from rotating in the capsule shell 2.
As shown in fig. 4, the capsule core S includes N PCB boards, in this embodiment, four parallel PCB boards are provided, and a first PCB board 41, a second PCB board 42, a third PCB board 43 and a fourth PCB board 44 are sequentially provided from top to bottom, and an accommodating space for accommodating devices is provided between the two PCB boards, where the devices may be an imaging system, a lighting system, a signal transceiver system, or a power supply. Every two PCBs are connected through the flexible FPC wire 5 with elasticity, and the four PCBs after connection are in an arc shape or a snake shape, so that the flexible FPC wire 5 has elasticity, the height of the accommodating space can be changed in a small range, and certain tolerance is realized; the first PCB and the second PCB are fixedly connected with devices between the first PCB and the second PCB. The lower part of the fourth PCB board is also electrically connected with a spiral columnar antenna 6, as shown in fig. 3, an antenna positioning hole 31 is formed in the bracket 3, and is a vertical through hole, after the whole capsule endoscope is installed, the antenna 6 is positioned in the antenna positioning hole 31, and is limited by the antenna positioning hole, so that the problem that signals are influenced due to the fact that the antenna 6 is inclined is avoided.
As shown in fig. 3 and 4, at least one second limiting portion is disposed at the top of the bracket 3, and a second clamping portion matched with the second limiting portion is disposed on the fourth PCB 44. In this embodiment, the number of the second limiting parts is preferably two, and the two second limiting parts are vertical second positioning columns 32 arranged at the top of the bracket 3, and the two second positioning columns 32 are positioned at two sides of the antenna positioning hole 31; the second clamping part is a second positioning hole 441 arranged on the fourth PCB 44, and the second positioning hole 441 is in interference fit with the second positioning column 32 or is adhered by glue, so that the bracket 3 and the capsule core S are fixedly connected together.
As shown in fig. 1 and 2, a third limiting portion is provided on the inner wall of the capsule housing 2, in this embodiment, the third limiting portion is preferably a clamping block 22 transversely provided on the top of the capsule housing 2, and when the capsule core S is installed in the capsule housing 2, the clamping block 22 limits the second PCB board 42 in the capsule core S in the capsule housing 2, so as to prevent the capsule core S from bouncing up naturally.
The specific implementation process is as follows: as shown in fig. 3 and 4, the bracket 3 is fixedly coupled to the capsule core S through the second positioning holes 441 and the second positioning posts 32, and then the capsule core S combined with the bracket 3 is mounted together in the capsule housing 2. When the capsule is installed, as shown in fig. 2 and 3, the first positioning hole 33 on the bracket 3 is aligned with the first positioning column 21 on the capsule shell 2, then the capsule core S is pressed downwards, as shown in fig. 1, the second to fourth PCBs and devices between the second to fourth PCBs enable the clamping block 22 on the capsule shell 2 to elastically deform to give way, and when the second PCB is positioned below the clamping block 22, the deformed clamping block 22 is restored to deform, so that the second PCB 42 is clamped in the capsule shell 2; in addition, the first PCB board and the second PCB board are fixedly connected with devices between the first PCB board and the second PCB board, the first PCB board 41 cannot rebound, so that the capsule core S is installed in the capsule shell 2, and then the optical front cover 1 is clamped with the capsule shell 2.
The capsule endoscope can avoid the rotation of the capsule core S in the capsule shell 2 by arranging the first positioning column 21 and the first positioning hole 33, and reduce the adverse phenomena of failure, unstable performance and the like of the capsule endoscope. When the capsule core S is installed, the clamping blocks 22 realize the vertical positioning of the capsule core S, and the second PCB 42 cannot rebound upwards due to the elastic force of the FPC flexible flat cable 5 below the second PCB, so that a fixture jig is not used any more, the assembly difficulty is reduced, the production efficiency is improved, and the defective rate of the optical front cover 1 caused by friction between the optical front cover 1 and the fixture jig can be reduced.
It should be noted that the connection manner of the capsule housing 2 and the holder 3, the holder 3 and the capsule core S, and the capsule housing 2 and the capsule core S may be used in combination as shown in fig. 1 of the present embodiment, or only one structure or a combination of both structures may be used in the capsule endoscope.
Example two
The present embodiment is different from the first embodiment in that: the capsule shell 2 and the bracket 3 are integrally formed, at least one fourth limiting part is arranged on the bracket, and a fourth clamping part matched with the fourth limiting part is arranged on the fourth PCB 44. As shown in fig. 5, in the present embodiment, the number of the fourth limiting parts is preferably two, and the four limiting parts are vertical fourth positioning posts 34 arranged on the top of the bracket 3, and the two fourth positioning posts 34 are located at two sides of the antenna positioning hole 31; the fourth clamping part is a fourth positioning hole formed in the fourth PCB 44, and the fourth positioning hole and the fourth positioning column 34 are in clearance fit, so that the capsule core S is convenient to install and detach.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that modifications and improvements can be made without departing from the spirit of the invention, and it should also be considered that the scope of the invention is not affected by the effect of the invention and the utility of the patent. The technology, shape, and construction parts omitted herein are all known in the art.
Claims (7)
1. A capsule endoscope convenient to assemble, which comprises a capsule shell, an optical front cover and a capsule core positioned in the capsule shell, and is characterized by further comprising the following combination of a first structure to a third structure:
Structure one: the capsule comprises a bracket connected with the capsule core, wherein at least one first limiting part is arranged on the inner wall of the capsule shell, a first clamping part matched with the first limiting part is arranged on the bracket, and the first limiting part is matched with the first clamping part to prevent the capsule core and/or the bracket from rotating;
And (2) a structure II: the capsule comprises a bracket connected with the capsule shell, wherein at least one second limiting part is arranged on the bracket, a second clamping part matched with the second limiting part is arranged on the capsule core, and the second limiting part is matched with the second clamping part to realize the connection between the capsule core and the bracket;
and (3) a structure III: the inner wall of the capsule shell is provided with a third limiting part, and when the capsule core is installed in the capsule shell, the third limiting part is clamped with the capsule core to prevent the capsule core from naturally bouncing up;
the capsule core comprises N PCB boards, a first and a second … … N PCB boards are sequentially arranged from top to bottom from the optical front cover end, N is a positive integer, every two PCB boards are connected through an FPC soft flat cable, and an accommodating space for accommodating devices is formed between every two PCB boards;
The second limiting part in the second structure is a vertical second positioning column arranged at the top of the bracket, the second clamping part is a vertical second positioning hole arranged on the N-th PCB, and the second positioning column and the second positioning hole are in adhesive or interference fit;
The third limiting part in the third structure is an elastic clamping block transversely arranged at the top of the capsule shell, the M-th PCB is clamped in the capsule shell, M is a positive integer less than or equal to N, and the M-th PCB and the PCB above the M-th PCB are fixedly connected with other devices in the capsule core.
2. The capsule endoscope convenient to assemble comprises a capsule shell, an optical front cover and a capsule core positioned in the capsule shell, and is characterized by further comprising the following combination of a third structure and a fourth structure:
and (3) a structure III: the inner wall of the capsule shell is provided with a third limiting part, and when the capsule core is installed in the capsule shell, the third limiting part is clamped with the capsule core to prevent the capsule core from naturally bouncing up;
and (3) a structure IV: the capsule comprises a bracket integrally formed with the capsule shell, wherein at least one fourth limiting part is arranged on the bracket, a fourth clamping part matched with the fourth limiting part is arranged on the capsule core, and the fourth limiting part is matched with the fourth clamping part to prevent the capsule core from rotating;
the capsule core comprises N PCB boards, a first and a second … … N PCB boards are sequentially arranged from top to bottom from the optical front cover end, N is a positive integer, every two PCB boards are connected through an FPC soft flat cable, and an accommodating space for accommodating devices is formed between every two PCB boards;
The third limiting part in the structure III is an elastic clamping block transversely arranged at the top of the capsule shell, the clamping block clamps the Mth PCB board in the capsule shell, M is a positive integer less than or equal to N, and the Mth PCB board and the PCB board above the Mth PCB board are fixedly connected with other devices in the capsule core;
The fourth limiting part in the fourth structure is a vertical fourth positioning column arranged at the top of the bracket, the fourth clamping part is a vertical fourth positioning hole arranged on the N-th PCB board, and the fourth positioning column is in clearance fit with the fourth positioning hole.
3. The capsule endoscope of claim 1, wherein the first limiting portion in the first structure is a first vertical positioning column arranged at the bottom of the capsule shell and deviating from the rotation center of the capsule core, the first clamping portion is a first vertical positioning hole arranged at the bottom of the bracket, and the first positioning column is in clearance fit with the first positioning hole.
4. The capsule endoscope of claim 1, wherein the capsule core further comprises an antenna electrically connected to the nth PCB board, wherein the bracket is provided with an antenna positioning hole, and wherein the antenna is positioned in the antenna positioning hole.
5. The capsule endoscope of claim 4, wherein the antenna is in a spiral column shape, one end of the antenna is electrically connected with the nth PCB board, and the other end is a free end.
6. The capsule endoscope of claim 4, wherein the number of second positioning posts in the second structure is two, and the two second positioning posts are positioned at two sides of the antenna positioning hole.
7. Capsule endoscope according to claim 1, wherein the bottom shape of the support in the first and/or second configuration is adapted to the bottom shape of the capsule housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910192355.8A CN109805885B (en) | 2019-03-14 | 2019-03-14 | Capsule endoscope of convenient equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910192355.8A CN109805885B (en) | 2019-03-14 | 2019-03-14 | Capsule endoscope of convenient equipment |
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| CN109805885A CN109805885A (en) | 2019-05-28 |
| CN109805885B true CN109805885B (en) | 2024-09-06 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110604535A (en) * | 2019-09-23 | 2019-12-24 | 安翰科技(武汉)股份有限公司 | Capsule core and capsule endoscope |
| CN110974129A (en) * | 2019-12-23 | 2020-04-10 | 重庆金山医疗技术研究院有限公司 | Endoscope capsule lamp panel cover, endoscope capsule and assembling method |
| CN112089391A (en) * | 2020-10-10 | 2020-12-18 | 深圳市资福医疗技术有限公司 | Capsule endoscope and assembling method thereof |
| CN113382591A (en) * | 2021-06-07 | 2021-09-10 | 深圳市资福医疗技术有限公司 | PCB fixing structure, capsule endoscope and capsule endoscope assembling method |
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| CN106714650A (en) * | 2015-04-15 | 2017-05-24 | 奥林巴斯株式会社 | Capsule-type medical device |
| CN208319177U (en) * | 2017-07-31 | 2019-01-04 | 重庆金山医疗器械有限公司 | The fixed structure of capsule endoscope pcb board |
| CN108742480A (en) * | 2018-06-19 | 2018-11-06 | 重庆金山医疗器械有限公司 | Capsule endoscope |
| CN209984179U (en) * | 2019-03-14 | 2020-01-24 | 重庆金山医疗器械有限公司 | Capsule endoscope with clamping limiting structure |
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