CN110994733A - Capsule endoscope wireless charging structure, equipment and method - Google Patents
Capsule endoscope wireless charging structure, equipment and method Download PDFInfo
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- CN110994733A CN110994733A CN201911337746.0A CN201911337746A CN110994733A CN 110994733 A CN110994733 A CN 110994733A CN 201911337746 A CN201911337746 A CN 201911337746A CN 110994733 A CN110994733 A CN 110994733A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00002—Operational features of endoscopes
- A61B1/00025—Operational features of endoscopes characterised by power management
- A61B1/00027—Operational features of endoscopes characterised by power management characterised by power supply
- A61B1/00029—Operational features of endoscopes characterised by power management characterised by power supply externally powered, e.g. wireless
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/04—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances
- A61B1/041—Capsule endoscopes for imaging
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
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Abstract
The invention discloses a wireless charging structure, wireless charging equipment and a wireless charging method for a capsule endoscope, wherein the wireless charging structure comprises a shell, a placing cavity is arranged in the shell, a battery bin is arranged at the bottom of the placing cavity, a rechargeable battery is arranged in the battery bin, a wireless charging coil is arranged at the bottom of the battery bin, the wireless charging coil comprises a first lead and a second lead, the first lead is connected with the positive pole of the rechargeable battery, and the second lead is connected with the negative pole of the rechargeable battery. Before leaving the factory or capsule endoscope uses, charge to the battery compartment through external wireless charger, wireless charging coil gives the battery in the battery compartment with the electric energy through first lead wire and second lead wire transmission, guarantees that capsule endoscope's electric quantity is sufficient, at this in-process, need not to open the shell, and is more convenient.
Description
Technical Field
The invention relates to a capsule endoscope, in particular to a wireless charging structure, wireless charging equipment and wireless charging method for the capsule endoscope.
Background
In modern medical examinations, the endoscopy for examining diseases in the digestive tract is currently the most common and directly effective method, and plays an extremely important role in the diagnosis of digestive tract diseases. The rapid development of digestive endoscopy technology in recent years, particularly the method of endoscopic intervention treatment, has achieved outstanding results, and can replace the traditional surgical operation of some digestive diseases to a certain extent. Over the course of more than ten years, capsule endoscopy has become an important means of examining diseases of the digestive tract, particularly for diagnosing diseases of the small intestine. With the continuous improvement of medical endoscope technology, the medical ultrasonic endoscope becomes an important examination method for small intestine diseases, integrates the high and new technologies such as optical endoscope technology, ultrasonic detection imaging technology, micro-electro-mechanical technology, modern computer technology and the like, is continuously developed and slowly fused, and has very wide application prospect in the current medical instrument industry. However, the endoscope needs to enter the body through the natural cavity of the human body, and the examiner needs to perform physical anesthesia to improve the comfort.
The capsule endoscope is made into a capsule shape, is internally provided with an optical camera element and an ultrasonic device, and has very practical value in the gastrointestinal examination of a human body. The capsule endoscope has the advantages of similar volume to the common capsule and small volume, and can eliminate the pain of people in the traditional examination mode.
In the prior art, the invention patent with application publication number "CN 104473614A" discloses a capsule endoscope, the housing of which is designed as an integral structure, but after the capsule is placed for a period of time, the battery in the capsule endoscope generates electricity consumption, and the battery in the capsule endoscope cannot be timely supplemented or replaced without opening the housing in the prior art, so a scheme for charging the encapsulated capsule endoscope is needed.
Disclosure of Invention
The invention aims to provide a wireless charging structure of a capsule endoscope.
The technical purpose of the invention is realized by the following technical scheme: the utility model provides a wireless charging structure of capsule endoscope, includes the casing, be provided with in the casing and place the chamber, the bottom of placing the chamber is provided with the battery compartment, be provided with rechargeable battery in the battery compartment, the bottom of battery compartment is provided with wireless charging coil, wireless charging coil includes first lead wire and second lead wire, first lead wire and rechargeable battery's level connection, the second lead wire is connected with rechargeable battery's negative pole.
Preferably, the battery compartment includes battery portion and fixed part, rechargeable battery sets up in battery portion, the fixed part is located the below of battery portion, the fixed part is the hemisphere, the bottom laminating of one side and the fixed part of wireless charging coil, the opposite side of wireless charging coil and the bottom laminating of placing the chamber.
Through adopting above-mentioned technical scheme, the fixed part plays the effect that the power supply battery was placed, and the fixed part has played the effect of fixed wireless charging coil, makes battery and wireless charging coil become an independent module, can follow independently taking out in the capsule and place, convenient follow-up processing.
As preferred, the bottom of fixed part is provided with the holding tank that supplies wireless charging coil to set up, the circumference of holding tank is provided with the draw-in groove, the circumference of wireless charging coil be provided with draw-in groove complex fixture block, be provided with first conducting strip and second conducting strip in the battery portion, first conducting strip and second conducting strip are located rechargeable battery's upper and lower both sides respectively.
Through adopting above-mentioned technical scheme, wireless charging coil passes through the cooperation of draw-in groove and fixture block, avoids dropping from the bottom of fixed part, strengthens the fixed effect of wireless charging coil and fixed part, and first conducting strip and second conducting strip play the effect of being connected with rechargeable battery electricity, make things convenient for follow-up first lead wire and second lead wire and rechargeable battery's being connected simultaneously.
As preferred, first lead wire passes the center of fixed part and is connected with first conducting strip, the lateral wall of battery portion is provided with the first groove of dodging that supplies the second lead wire inlay card, be provided with in the battery portion and dodge the groove with the second at the second of horizontal direction intercommunication, the second lead wire is connected with the second conducting strip, the casing includes procapsid and back casing, the battery compartment sets up in the back casing, be provided with the guide way on the inside wall of back casing, the circumference evenly distributed of guide way at the back casing, the lateral wall of battery portion be provided with guide way complex guide block.
By adopting the technical scheme, the horizontal position of the battery part in the rear shell is determined, and meanwhile, the battery part is prevented from rotating in the horizontal direction, so that the battery part is conveniently inserted into the rear shell; the lead wire is convenient to place and take out.
A second object of the present invention is to provide a wireless charging device applied to the above wireless charging structure for a capsule endoscope.
The technical purpose of the invention is realized by the following technical scheme: the utility model provides an equipment that charges to wireless charging structure of capsule endoscope, includes the fixed plate, be provided with the charging groove that supplies the casing to place in the fixed plate, the charging groove upwards is formed with places the mouth, be provided with the power transmission coil in the fixed plate, each the power transmission coil is towards the end in a charging groove, the power transmission coil is connected with the cable, the cable intercommunication has the power.
Preferably, the charging grooves are uniformly distributed on the surface of the fixing plate, and the taking and placing grooves are arranged on two sides of each placing opening and are arranged in an arc shape.
Through adopting above-mentioned technical scheme, conveniently take out and place built-in rechargeable battery's casing from placing the mouth.
Preferably, the shell is provided with an encapsulation plate, the shells are uniformly arrayed on the encapsulation plate, the encapsulation plate is provided with a transparent protection layer covering the shell, the fixing plate is provided with a placing groove matched with the encapsulation plate, and one side of the placing groove extends outwards along the horizontal direction.
By adopting the technical scheme, the packaging plate is used for charging the whole capsule endoscope sealed by the packaging plate, and is usually adopted in the production link of factory electricity supplement.
Preferably, the bottom of fixed plate is provided with the winding displacement groove, be provided with the apron on the winding displacement groove, be provided with the fixed slot that supplies the power transmission electric coil to set up on the fixed plate, fixed slot and winding displacement groove intercommunication, the fixed slot is vertical setting.
By adopting the technical scheme, the discharge and the overhaul of circuits and elements in the fixed plate are provided.
The third purpose of the invention is to provide a charging method applied to a wireless charging structure of a capsule endoscope.
The technical purpose of the invention is realized by the following technical scheme: a shell loaded with a rechargeable battery is placed on a fixing plate, a power transmission coil is arranged in the fixing plate, the rechargeable battery is powered through electromagnetic induction or electromagnetic resonance between the power transmission coil and the wireless charging coil in the shell, and the wireless charging coil is communicated with the rechargeable battery.
Preferably, a plurality of shells can be packaged in the same packaging plate, and the fixing plate is provided with a placing groove corresponding to each shell.
By adopting the technical scheme, a plurality of capsule endoscopes can be detected and charged simultaneously in the batch production or detection link.
In conclusion, before the capsule endoscope is delivered or used, the battery bin is charged through the external wireless charger, the wireless charging coil transmits electric energy to the battery in the battery bin through the first lead and the second lead, the electric quantity of the capsule endoscope is ensured to be sufficient, and the shell does not need to be opened in the process, so that the capsule endoscope is more convenient to use; meanwhile, the rechargeable battery and the wireless charging coil are positioned in the battery compartment to form an independent module which can be independently taken out and placed, so that the processes of installation and subsequent disassembly are simplified, and the cost is saved; the wireless charging device can supplement the electric quantity to a plurality of or single capsule endoscopes, the fixing plate plays a role in fixing the capsule shell, in the using process, the current is transmitted to the power transmission coil through a cable, the interval between the power transmission coil and the wireless charging coil is close, the wireless charging coil is electrified through the principle of electromagnetic induction, then the electric quantity is supplemented into the charging battery through the first lead and the second lead, and the electric energy supplement to the packaged capsule endoscopes is completed; meanwhile, by the charging principle, the electric energy can be supplemented to various sealed capsule endoscopes with built-in wireless charging coils without being limited to the shape of the shell.
Drawings
FIG. 1 is a schematic structural view of an embodiment;
FIG. 2 is a schematic longitudinal sectional view of the embodiment;
FIG. 3 is a schematic cross-sectional view of the embodiment in the transverse direction;
figure 4 is a schematic diagram of a wireless charging coil of an embodiment;
fig. 5 is a cross-sectional schematic view of a wireless charging device of an embodiment;
fig. 6 is a top view of the wireless charging device of the embodiment;
FIG. 7 is a schematic structural view of a package board of the embodiment;
fig. 8 is a cross-sectional schematic view of a wireless charging device of an embodiment charging a package board;
fig. 9 is a top view of a wireless charging device of an embodiment charging a package board;
in the figure, 1, front case; 2. a rear housing; 3. a placement chamber; 4. a battery compartment; 41. a battery section; 42. a fixed part; 5. a rechargeable battery; 6. a wireless charging coil; 7. a first lead; 8. a second lead; 9. accommodating grooves; 10. a card slot; 11. a clamping block; 12. a first conductive sheet; 13. a second conductive sheet; 14. a first avoidance slot; 15. a second avoidance slot; 16. a guide groove; 17. a guide block; 18. a fixing plate; 19. a charging slot; 20. a placement port; 21. a power transmitting coil; 22. a cable; 23. a taking and placing groove; 24. a package board; 25. a transparent protective layer; 26. a placement groove; 27. a wire arrangement groove; 28. a cover plate; 29. and fixing the grooves.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Example (b):
as shown in fig. 1, a wireless charging structure for a capsule endoscope comprises a housing, wherein the housing comprises a front housing 1 and a rear housing 2, the front housing 1 is made of transparent plastic and is used for placing optical elements, the rear housing 2 is made of opaque plastic, the front housing 1 and the rear housing 2 are mutually fixed in a threaded connection mode or a bonding mode, a placing cavity 3 is arranged in the housing, namely the placing cavity 3 is arranged between the front housing 1 and the rear housing 2.
As shown in fig. 2 and 3, a battery compartment 4 is disposed at the bottom of the placing cavity 3, the battery compartment 4 is independently disposed, that is, the battery compartment 4 is disposed in the rear housing 2, a guide groove 16 is disposed on the inner side wall of the rear housing 2, four guide grooves 16 are uniformly distributed in the circumferential direction of the rear housing 2, a guide block 17 matched with the guide groove 16 is disposed on the side wall of the battery part 41, the cross sections of the guide block 17 and the guide groove 16 are semicircular, and the guide block 17 and the guide groove 16 extend in the height direction; be provided with rechargeable battery 5 in the battery compartment 4, rechargeable battery 5 is two section at least end to end's button cell, the bottom of battery compartment 4 is provided with wireless charging coil 6, battery compartment 4 includes battery portion 41 and fixed part 42, rechargeable battery 5 sets up in battery portion 41, fixed part 42 is located the below of battery portion 41, fixed part 42 is hemisphere and cavity, can supply ultrasonic detection device selectivity assembly in the hollow fixed part 42, fixed part 42 sets up bottom and the integrative formation at battery portion 41, one side of wireless charging coil 6 and the bottom laminating of fixed part 42, the opposite side of wireless charging coil 6 and the bottom laminating of placing chamber 3.
As shown in fig. 2 and 4, the bottom of fixed part 42 is provided with holding tank 9 that supplies wireless charging coil 6 to set up, and the longitudinal section shape of holding tank 9 is the U type, and the circumference of holding tank 9 is provided with draw-in groove 10, and the circumference of wireless charging coil 6 is provided with the fixture block 11 with draw-in groove 10 complex, and wireless charging coil 6 is by the plastic envelope in the PVC film, and fixture block 11 is the outer stereoplasm thickened edge of film.
As shown in fig. 2, a first conductive sheet 12 and a second conductive sheet 13 are disposed in the battery part 41, the first conductive sheet 12 and the second conductive sheet 13 are respectively located at the upper side and the lower side of the rechargeable battery 5, and the first conductive sheet 12 and the second conductive sheet 13 are metal reeds for deforming and abutting against the rechargeable battery 5 and realizing circuit conduction.
As shown in fig. 2, 3 and 4, the wireless charging coil 6 comprises a first lead 7 and a second lead 8, the first lead 7 is connected with the positive pole of the rechargeable battery 5, the second lead 8 is connected with the negative pole of the rechargeable battery 5, wherein the first lead 7 passes through the center of the fixing part 42 and extends to the side, and is finally connected with the first conducting strip 12; the lateral wall of battery portion 41 is provided with the first groove 14 of dodging that supplies the inlay card of second lead 8, is provided with in the battery portion 41 and dodges the second groove 15 with the second of dodging groove 15 in the horizontal direction intercommunication, and second lead 8 dodges the groove 15 through the first back of dodging 14 back, extends along the second, finally is connected with second conducting strip 13.
As shown in fig. 5 and 6, the wireless charging device for the unpackaged capsule endoscope comprises a fixing plate 18, wherein the fixing plate 18 is made of plastic and can be used as a turnover plate in production and processing, a charging groove 19 for placing a shell is formed in the fixing plate 18, placing openings 20 are formed in the charging groove 19 upwards, the charging groove 19 is uniformly distributed on the surface of the fixing plate 18, two sides of each placing opening 20 are provided with taking and placing grooves 23, the taking and placing grooves 23 are arranged in an arc shape, the taking and placing grooves 23 are used for an operator to take out a hand-held tool or a direct glove in a contact mode, the depth of the taking and placing grooves 23 exceeds half of the diameter of the shell, the shell is convenient to take out, power supply coils 21 are arranged in the fixing plate 18, each power supply coil 21 faces the tail end of one charging groove 19; the bottom of fixed plate 18 is provided with winding displacement groove 27, is provided with apron 28 on the winding displacement groove 27, and apron 28 lid closes in the bottom of winding displacement groove 27, is provided with the fixed slot 29 that supplies power electric coil 21 to set up on the fixed plate 18, and fixed slot 29 and winding displacement groove 27 communicate, and fixed slot 29 is vertical setting.
As shown in fig. 7, fig. 7 is a packaged capsule endoscope, a packaging plate 24 is arranged on a casing of the capsule endoscope, the casing is uniformly arrayed on the packaging plate 24, a transparent protective layer 25 covering the casing is arranged on the packaging plate 24, namely, a plurality of capsule endoscopes are fixed on the packaging plate 24, a placing groove 26 matched with the packaging plate 24 is arranged on the fixing plate 18, one side of the placing groove 26 extends outwards along the horizontal direction, in the using process, the packaging plate 24 is placed on the fixing plate 18 in a whole plate mode, and the whole plate is taken and placed through the placing groove 26.
A charging method of a wireless charging structure of a capsule endoscope is characterized in that a shell loaded with a rechargeable battery 5 is placed on a fixing plate 18, a power transmission coil 21 is arranged in the fixing plate 18, the rechargeable battery 5 is powered through electromagnetic induction or electromagnetic resonance between the power transmission coil 21 and the wireless charging coil 6 in the shell, the wireless charging coils 6 are communicated with the rechargeable battery 5, meanwhile, a plurality of capsules of endoscope shells can be packaged in the same packaging plate 24, and a placing groove 26 corresponding to each shell is arranged on the fixing plate 18.
The working principle is as follows:
in the using process, the current is transmitted to the power transmission coil 21 through the cable 22, the power transmission coil 21 and the wireless charging coil 6 are close to each other in interval, the wireless charging coil 6 is electrified according to the principle of electromagnetic induction, then the electric quantity is supplemented into the charging battery 5 through the first lead 7 and the second lead 8, and the electric energy supplement of the encapsulated capsule endoscope is completed; meanwhile, by the charging principle, the electric energy can be supplemented to various sealed capsule endoscopes with the built-in wireless charging coil 6 without being limited to the shape of the shell.
Claims (10)
1. The utility model provides a wireless charging structure of capsule endoscope, includes the casing, its characterized in that: be provided with in the casing and place chamber (3), the bottom of placing chamber (3) is provided with battery compartment (4), be provided with rechargeable battery (5) in battery compartment (4), the bottom of battery compartment (4) is provided with wireless charging coil (6), wireless charging coil (6) are including first lead wire (7) and second lead wire (8), the positive grade of first lead wire (7) and rechargeable battery (5) is connected, second lead wire (8) are connected with the negative pole of rechargeable battery (5).
2. The capsule endoscope wireless charging structure of claim 1, wherein: battery compartment (4) include battery portion (41) and fixed part (42), rechargeable battery (5) set up in battery portion (41), fixed part (42) are located the below of battery portion (41), fixed part (42) are the hemisphere, the bottom laminating of one side and fixed part (42) of wireless charging coil (6), the opposite side of wireless charging coil (6) and the bottom laminating of placing chamber (3).
3. The capsule endoscope wireless charging structure of claim 2, wherein: the bottom of fixed part (42) is provided with holding tank (9) that supply wireless charging coil (6) to set up, the circumference of holding tank (9) is provided with draw-in groove (10), the circumference of wireless charging coil (6) be provided with draw-in groove (10) complex fixture block (11), be provided with first conducting strip (12) and second conducting strip (13) in battery portion (41), first conducting strip (12) and second conducting strip (13) are located the upper and lower both sides of rechargeable battery (5) respectively.
4. The capsule endoscope wireless charging structure of claim 3, wherein: first lead wire (7) pass the center of fixed part (42) and are connected with first conducting strip (12), the lateral wall of battery portion (41) is provided with the first groove (14) of dodging that supplies second lead wire (8) inlay card, be provided with in battery portion (41) and dodge groove (15) with the second and dodge groove (15) at the second of horizontal direction intercommunication and dodge groove (15), second lead wire (8) are connected with second conducting strip (13), the casing includes procapsid (1) and back casing (2), battery compartment (4) set up in back casing (2), be provided with guide way (16) on the inside wall of back casing (2), guide way (16) are the circumference evenly distributed of back casing (2), the lateral wall of battery portion (41) is provided with guide block (17) with guide way (16) complex.
5. An apparatus for charging the wireless charging structure of the capsule endoscope of any of claims 1-4, characterized in that: including fixed plate (18), be provided with charging groove (19) that supply the casing to place in fixed plate (18), charging groove (19) upwards are formed with and place mouth (20), be provided with power transmission coil (21) in fixed plate (18), each power transmission coil (21) are towards the end in a charging groove (19), power transmission coil (21) are connected with cable (22), cable (22) intercommunication has the power.
6. The capsule endoscope wireless charging device of claim 5, wherein: the charging grooves (19) are uniformly distributed on the surface of the fixing plate (18), the taking and placing grooves (23) are formed in the two sides of each placing opening (20), and the taking and placing grooves (23) are arranged in an arc shape.
7. The capsule endoscope wireless charging device of claim 5, wherein: the packaging structure is characterized in that a packaging plate (24) is arranged on the shell, the shell is evenly arrayed on the packaging plate (24), a transparent protective layer (25) covering the shell is arranged on the packaging plate (24), a placing groove (26) matched with the packaging plate (24) is arranged on the fixing plate (18), and one side of the placing groove (26) extends outwards along the horizontal direction.
8. The capsule endoscope wireless charging device of claim 5, wherein: the bottom of fixed plate (18) is provided with winding displacement groove (27), be provided with apron (28) on winding displacement groove (27), be provided with fixed slot (29) that supply power coil (21) to set up on fixed plate (18), fixed slot (29) and winding displacement groove (27) intercommunication, fixed slot (29) are vertical setting.
9. A charging method applied to the wireless charging structure of the capsule endoscope of any one of claims 5-8, characterized in that: the casing that will load and load rechargeable battery (5) is placed in fixed plate (18), is provided with power transmission coil (21) in fixed plate (18), supplies power to rechargeable battery (5) through electromagnetic induction or electromagnetic resonance between wireless charging coil (6) in power transmission coil (21) and the casing, and wireless charging coil (6) and rechargeable battery (5) communicate.
10. The wireless charging method for a capsule endoscope according to claim 9, characterized in that: a plurality of shells can be packaged in the same packaging plate (24), and a placing groove (26) corresponding to each shell is arranged on the fixing plate (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911337746.0A CN110994733A (en) | 2019-12-23 | 2019-12-23 | Capsule endoscope wireless charging structure, equipment and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911337746.0A CN110994733A (en) | 2019-12-23 | 2019-12-23 | Capsule endoscope wireless charging structure, equipment and method |
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| CN110994733A true CN110994733A (en) | 2020-04-10 |
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| CN201911337746.0A Pending CN110994733A (en) | 2019-12-23 | 2019-12-23 | Capsule endoscope wireless charging structure, equipment and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114631768A (en) * | 2022-05-23 | 2022-06-17 | 安翰科技(武汉)股份有限公司 | Capsule endoscope |
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2019
- 2019-12-23 CN CN201911337746.0A patent/CN110994733A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114631768A (en) * | 2022-05-23 | 2022-06-17 | 安翰科技(武汉)股份有限公司 | Capsule endoscope |
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