CN114145692A - Electronic endoscope with adjustable viewing direction angle - Google Patents
Electronic endoscope with adjustable viewing direction angle Download PDFInfo
- Publication number
- CN114145692A CN114145692A CN202111580831.7A CN202111580831A CN114145692A CN 114145692 A CN114145692 A CN 114145692A CN 202111580831 A CN202111580831 A CN 202111580831A CN 114145692 A CN114145692 A CN 114145692A
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- China
- Prior art keywords
- camera module
- endoscope
- structure body
- fixed
- handle
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Classifications
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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
- A61B1/00064—Constructional details of the endoscope body
- A61B1/00066—Proximal part of endoscope body, e.g. handles
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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
- A61B1/00064—Constructional details of the endoscope body
- A61B1/00071—Insertion part of the endoscope body
-
- 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
- A61B1/00064—Constructional details of the endoscope body
- A61B1/00105—Constructional details of the endoscope body characterised by modular construction
-
- 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
- A61B1/00112—Connection or coupling means
- A61B1/00121—Connectors, fasteners and adapters, e.g. on the endoscope handle
- A61B1/00128—Connectors, fasteners and adapters, e.g. on the endoscope handle mechanical, e.g. for tubes or pipes
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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
- A61B1/00163—Optical arrangements
- A61B1/00174—Optical arrangements characterised by the viewing angles
- A61B1/00179—Optical arrangements characterised by the viewing angles for off-axis viewing
-
- 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
- A61B1/05—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 characterised by the image sensor, e.g. camera, being in the distal end portion
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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
- A61B1/06—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 with illuminating arrangements
- A61B1/0661—Endoscope light sources
- A61B1/0684—Endoscope light sources using light emitting diodes [LED]
Abstract
The invention discloses an electronic endoscope with an adjustable viewing angle, which comprises an endoscope structure body, a handle, a coating, a panel, LED lamp beads, a hand wheel, a COMS camera module mounting frame, a COMS camera module, a rotating shaft and a viewing angle adjusting mechanism. Compared with the prior art, the endoscope structure body is integrally formed by coating the hard tube through the coating, the hydrophilic coating is arranged outside the coating, the endoscope structure body can conveniently enter the body, the images in the body can be clearly obtained through the COMS camera module under the illumination of the LED lamp beads, the endoscope structure body can rotate in the body through the hand wheel to realize different position detection, the visual direction angle (0-20 degrees) of the COMS camera module can be adjusted through the visual direction angle adjusting mechanism according to the detection condition, the images in the body can be more comprehensively obtained, and the detection effect is good.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to an electronic endoscope with an adjustable viewing angle.
Background
The endoscope is a detection instrument integrating traditional optics, ergonomics, precision machinery, modern electronics, mathematics and software, and has wide medical application. It can enter into body through small incision or natural cavity to see the pathological changes which can not be displayed by X-ray, and can cooperate with surgical instruments to carry out visual operation treatment in body. In-vivo clinical examination and visual surgery require a sharp-image endoscope to help doctors to improve the diagnosis accuracy, so electronic endoscopes are usually selected.
The endoscope has a precise and tiny structure, so that the endoscope can enter the human body through the natural orifice of the human body in the medical treatment process to be widely applied to detection and treatment. Generally, in the detection process, an endoscope structure body needs to be rotated for detecting different positions in a body, however, the existing handle and the endoscope structure body are fixed together, and the endoscope structure body needs to be rotated together with the handle when rotated, so that the operation of medical staff is inconvenient; in addition, in order to obtain the in-vivo image more comprehensively during the detection process, the best method is to adjust the view angle of the CMOS module, however, the prior art cannot realize the adjustment of the view angle during the inspection process.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides an electronic endoscope with an adjustable viewing direction angle.
In order to achieve the purpose, the invention is implemented according to the following technical scheme:
an electronic endoscope with an adjustable viewing angle comprises an endoscope structure body and a handle arranged at the rear end of the endoscope structure body, wherein the endoscope structure body comprises a plurality of hard tubes which are fixed side by side, a coating is coated outside the hard tubes, a panel is fixed at the front ends of the hard tubes, the front ends of the hard tubes penetrate through the panel, and a plurality of LED lamp beads are arranged on the front end surface of the panel; the rear end of the endoscope structure body is rotatably connected into the handle, and a hand wheel for driving the endoscope structure body to rotate is axially fixed at the rear end of the endoscope structure body; a COMS camera module is arranged in the front end of one of the hard tubes through a COMS camera module mounting frame, a rotating shaft is arranged on one side of the COMS camera module mounting frame, two ends of the rotating shaft are rotatably arranged on the inner walls of two sides of the hard tube, and a lens of the COMS camera module faces the front end of the hard tube; the rear end of the handle is provided with a viewing angle adjusting mechanism connected with the COMS camera module mounting frame.
Furthermore, the viewing angle adjusting mechanism comprises a steel wire, a fixed pulley and a viewing angle adjusting wheel, one end of the steel wire is fixed on the mounting frame of the COMS camera module, the fixed pulley is mounted on one side wall of the hand wheel, a threaded hole is axially formed in the hand wheel on one side of the fixed pulley, the viewing angle adjusting wheel is connected into the threaded hole from the other side of the hand wheel through threads, and the other end of the steel wire extends out of the hard tube along the interior of the hard tube and is then connected with the fixed pulley and then fixed at the front end of the viewing angle adjusting wheel; hard pipe inner wall vertical fixation who COMS module installation frame rear end has the stopper, and the cover is equipped with the spring on the preceding terminal surface of stopper and the steel wire between the COMS module installation frame of making a video recording.
Furthermore, an electrode ring connected with the COMS camera module and the LED lamp beads is fixed in the circumferential direction of the endoscope structure body in the handle, an electrode connecting ring is rotatably connected outside the electrode ring, wires used for connecting a COMS camera module host and connecting an LED lamp bead control switch are respectively connected onto the electrode connecting ring, the wires are fixed in the handle, and the end parts of the wires extend out of the handle.
Further, bearings are fixed in the front end and the rear end of the handle, and the endoscope structure body is fixed in an inner ring of the bearing; the front end of the handle is provided with a locking mechanism which is used for limiting the endoscope structure body to rotate in the handle.
Further, locking mechanism is including setting up in the toper screw thread mouth of handle front end, and a plurality of expansion joints have been seted up to toper screw thread mouth axial, toper screw thread mouth external screw thread connection has lock nut.
Further, the outer surface coatings of the plurality of hard tubes fixed side by side of the endoscope structure body are made of polytetrafluoroethylene, epoxy resin, acrylate group, polyamide group, polyurethane group, polyimide group, epoxy group, ethylene-tetrafluoroethylene copolymer group or polyxylyl compound or a mixture of the compounds; the coating is coated outside the hard pipe in a heating film covering, extruding, dipping, spraying or injection molding mode.
Further, the outer surface of the coating is provided with a hydrophilic coating.
Further, the thickness of the coating is 60 μm to 500 μm.
Furthermore, the number of the hard tubes is three, one hard tube is internally provided with a COMS camera module, the other hard tube is an instrument sharing channel, and the last hard tube is a water injection channel.
Further, scales are arranged outside the hydrophilic coating.
Compared with the prior art, the endoscope structure body is integrally formed by coating the hard tube through the coating, the hydrophilic coating is arranged outside the coating, the endoscope structure body can conveniently enter the body, the images in the body can be clearly obtained through the COMS camera module under the illumination of the LED lamp beads, the endoscope structure body can rotate in the body through the hand wheel to realize different position detection, the visual direction angle (0-20 degrees) of the COMS camera module can be adjusted through the visual direction angle adjusting mechanism according to the detection condition, the images in the body can be more comprehensively obtained, and the detection effect is good.
Drawings
Fig. 1 is a schematic structural view of an endoscope structure of the present invention.
FIG. 2 is a schematic view of the structure of an endoscope of the present invention.
Fig. 3 is a schematic structural diagram of the viewing angle adjusting mechanism of the present invention.
Fig. 4 is a schematic view of the structure of the electrode ring of the present invention.
Fig. 5 is a schematic view illustrating the structure of an electrode connection ring according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. The specific embodiments described herein are merely illustrative of the invention and do not limit the invention.
As shown in fig. 1 to 5, the electronic endoscope with adjustable viewing angle of the present embodiment comprises an endoscope structure 2 and a handle 1 disposed at the rear end of the endoscope structure 2, wherein the endoscope structure 2 comprises a plurality of rigid tubes fixed side by side, three stainless steel tubes are coated with a coating 7, the coating 7 is made of polytetrafluoroethylene, epoxy resin, acrylate-based, polyamide-based, polyurethane-based, polyimide-based, epoxy-based, ethylene-tetrafluoroethylene copolymer-based or parylene-based compounds or a mixture of these compounds; the coating 7 is coated outside the hard tube in a heating film coating, extruding, dipping, spraying or injection molding mode. The thickness of the coating 7 is 60-500 μm, preferably 100-300 μm; the front ends of the three stainless steel pipes are fixedly provided with panels 8, the front ends of the three stainless steel pipes penetrate through the panels 8, and the front end face of each panel 8 is provided with a plurality of LED lamp beads 9;
the rear end of the endoscope structure body 2 is rotatably connected into the handle 1, specifically, bearings 14 are fixed in the front end and the rear end of the handle 1, and the endoscope structure body 2 is fixed in the inner ring of the bearing 14; a hand wheel 3 for driving the endoscope structure body to rotate is axially fixed at the rear end of the endoscope structure body 2, and the hand wheel 3 drives the endoscope structure body 2 to rotate in the body, so that detection of different positions in the body can be realized, and operation of instruments in instrument channels is facilitated; the endoscope structure comprises a handle 1 and a locking mechanism 5, wherein the front end of the handle 1 is provided with the locking mechanism 5, the locking mechanism 5 is used for limiting the endoscope structure body 2 to rotate in the handle 1, the locking mechanism 5 comprises a tapered threaded opening arranged at the front end of the handle 1, the tapered threaded opening is axially provided with a plurality of expansion joints, and the tapered threaded opening is externally connected with a locking nut in a threaded manner; as shown in fig. 1, three stainless steel pipes (not limited to stainless steel pipes) are provided, wherein a COMS camera module 17 is installed in one stainless steel pipe 23 through a COMS camera module installation frame, another stainless steel pipe 21 is an instrument shared channel, the last stainless steel pipe 22 is a water injection channel, a rotating shaft 10 is arranged on one side of the COMS camera module installation frame, two ends of the rotating shaft 10 are rotatably installed on inner walls of two sides of the stainless steel pipe 23, and a lens of the COMS camera module 17 faces to the front end of the stainless steel pipe 23; the rear end of the handle 1 is provided with a viewing angle adjusting mechanism connected with the mounting frame of the COMS camera module, the viewing angle adjusting mechanism comprises a steel wire 12, a fixed pulley 13 and a viewing angle adjusting wheel 4, one end of the steel wire 12 is fixed on a mounting frame of the COMS camera module (which is arranged at the opposite side of the rotating shaft 10 so that the steel wire 12 can pull the mounting frame of the COMS camera module to rotate around the rotating shaft 10), the fixed pulley 13 is arranged on one side wall of the hand wheel 3, the hand wheel 3 at one side of the fixed pulley 13 is provided with a threaded hole along the axial direction, the viewing angle adjusting wheel 4 is connected into the threaded hole from the other side of the hand wheel 3 by screw thread, the other end of the steel wire 12 extends to the outside of the stainless steel tube 23 along the inside of the stainless steel tube 23, is connected with the fixed pulley 13 and then is fixed at the front end of the viewing angle adjusting wheel 4, the fixed pulley 13 plays a role in reversing, and the viewing angle adjusting wheel 4 is actually a bolt so as to drive the steel wire 12 to move when the viewing angle adjusting wheel 4 is rotated; a limiting block (not shown in the figure) is fixed on the inner wall of the stainless steel tube 23 at the rear end of the COMS camera module mounting frame, a spring 11 is sleeved on a steel wire between the front end face of the limiting block and the COMS camera module mounting frame, and the viewing angle adjusting wheel 4 is screwed forward to rotate and then pull the steel wire 12 to drive the COMS camera module mounting frame to rotate around the rotating shaft 10, so that the viewing angle of the COMS camera module 17 is increased; and after the viewing angle adjusting wheel 4 is reversely screwed, the COMS camera module mounting frame can rotate around the rotating shaft 10 due to the rebounding effect of the spring 11, and the viewing angle of the COMS camera module 17 is further reduced.
In the practical use process, because the handwheel 3 can drive the whole endoscope structure body 2 to rotate, the connection between the COMS camera module 17 and the LED lamp bead 9 and the lead is a problem to be solved, in view of this, in this embodiment, the electrode ring 15 connected with the COMS camera module 17 and the LED lamp bead 9 is fixed in the circumferential direction of the endoscope structure body 2 in the handle 1, the electrode ring 15 is externally and rotatably connected with the electrode connecting ring 16, the connection between the electrode ring 15 and the electrode connecting ring 16 is practically similar to that of the existing slip ring, as shown in fig. 4, a plurality of annular grooves are circumferentially arranged on the electrode ring 15, electrodes 1501 connected with the COMS camera module 17 and the LED lamp bead 9 are respectively arranged in the annular grooves, a plurality of electrode terminals 1601 contacted with the annular electrodes 1501 are respectively arranged in the circumferential direction of the electrode connecting ring 16, the electrode terminals 1601 are respectively connected with a COMS lamp bead camera module host and a lead for connecting with the LED lamp bead control switch, the wire is fixed in the handle 1 and the end of the wire extends out of the handle 1.
In some embodiments, the outer surface of coating 7 is provided with a hydrophilic coating, which can be a commercially available SLIPCOAT ™ hydrophilic coating that becomes sufficiently lubricious when exposed to water to allow for smoother insertion of endoscope construct 2 into the body.
In some embodiments, the coating 7 is provided with a scale outside, and the scale is used for determining the position of the endoscope entering the human body and providing certain position guidance for subsequent examination.
The working process of the invention is as follows: taking the electronic endoscope with the adjustable viewing angle as a uretero-nephroscope as an example, firstly, the endoscope structure body 2 is locked in the handle 1 through the locking mechanism 5, then the endoscope structure body 2 is inserted into the ureter, then the power supply of the LED lamp beads is switched on, the COMS camera module is connected to the camera host, the image shot by the COMS camera module is transmitted to the camera host, and the image on the camera host is output to the display through the image transmission line and displayed; in the detection process, when medical staff need to detect different positions in the ureter, the locking mechanism 5 can be unlocked, the hand wheel 3 can be stirred by fingers to drive the endoscope structure body to rotate in the ureter, and therefore detection of different positions is achieved; according to the checking condition, the viewing direction angle adjusting wheel 4 is shifted through a finger, so that the viewing direction angle (0-20 degrees) of the COMS camera module is adjusted, and the in-vivo image can be more comprehensively acquired.
The technical solution of the present invention is not limited to the limitations of the above specific embodiments, and all technical modifications made according to the technical solution of the present invention fall within the protection scope of the present invention.
Claims (10)
1. An electronic endoscope capable of adjusting a viewing direction angle, comprising an endoscope structure body and a handle arranged at the rear end of the endoscope structure body, characterized in that: the endoscope structure body comprises a plurality of hard tubes which are fixed side by side, a coating is coated outside the hard tubes, a panel is fixed at the front ends of the hard tubes, the front ends of the hard tubes penetrate through the panel, and a plurality of LED lamp beads are arranged on the front end face of the panel; the rear end of the endoscope structure body is rotatably connected into the handle, and a hand wheel for driving the endoscope structure body to rotate is axially fixed at the rear end of the endoscope structure body; a COMS camera module is arranged in the front end of one of the hard tubes through a COMS camera module mounting frame, a rotating shaft is arranged on one side of the COMS camera module mounting frame, two ends of the rotating shaft are rotatably arranged on the inner walls of two sides of the hard tube, and a lens of the COMS camera module faces the front end of the hard tube; the rear end of the handle is provided with a viewing angle adjusting mechanism connected with the COMS camera module mounting frame.
2. The electronic endoscope of claim 1, wherein: the viewing angle adjusting mechanism comprises a steel wire, a fixed pulley and a viewing angle adjusting wheel, one end of the steel wire is fixed on the COMS camera module mounting frame, the fixed pulley is mounted on one side wall of a hand wheel, a threaded hole is axially formed in the hand wheel on one side of the fixed pulley, the viewing angle adjusting wheel is connected into the threaded hole from the other side of the hand wheel through threads, the other end of the steel wire extends out of the hard tube along the inner part of the hard tube, is connected with the fixed pulley and then is fixed at the front end of the viewing angle adjusting wheel; the hard pipe inner wall of COMS camera module installation frame rear end is fixed with the stopper, and the cover is equipped with the spring on the preceding terminal surface of stopper and the steel wire between the COMS camera module installation frame.
3. The electronic endoscope of claim 1, wherein: the endoscope structure body located in the handle is circumferentially fixed with an electrode ring connected with the COMS camera module and the LED lamp beads, the electrode ring is connected with an electrode connecting ring in a rotating mode, the electrode connecting ring is respectively connected with a lead used for connecting a COMS camera module host and a lead used for connecting an LED lamp bead control switch, and the leads are fixed in the handle and the end of each lead extends out of the handle.
4. The electronic endoscope of claim 1, wherein: bearings are fixed in the front end and the rear end of the handle, and the endoscope structure body is fixed in an inner ring of the bearing; the front end of the handle is provided with a locking mechanism which is used for limiting the endoscope structure body to rotate in the handle.
5. The electronic endoscope of claim 4, wherein: the locking mechanism comprises a tapered threaded opening arranged at the front end of the handle, a plurality of expansion joints are axially formed in the tapered threaded opening, and a locking nut is connected to the tapered threaded opening through external threads.
6. The electronic endoscope of claim 1, wherein: the outer surface coatings of the hard tubes fixed in parallel on the endoscope structure body are made of polytetrafluoroethylene, epoxy resin, acrylate groups, polyamide groups, polyurethane groups, polyimide groups, epoxy groups, ethylene-tetrafluoroethylene copolymer groups or polyxylyl compounds or mixtures of the compounds; the coating is coated outside the hard pipe in a heating film covering, extruding, dipping, spraying or injection molding mode.
7. The electronic endoscope of claim 1, wherein: and a hydrophilic coating is arranged on the outer surface of the coating.
8. The electronic endoscope of claim 1, wherein: the thickness of the coating is 60-500 μm.
9. The electronic endoscope of claim 1, wherein: the device comprises three hard tubes, wherein one hard tube is internally provided with a COMS camera module, the other hard tube is an instrument sharing channel, and the last hard tube is a water injection channel.
10. The electronic endoscope of any of claims 1-9, wherein: scales are arranged outside the hydrophilic coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111580831.7A CN114145692A (en) | 2021-12-22 | 2021-12-22 | Electronic endoscope with adjustable viewing direction angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111580831.7A CN114145692A (en) | 2021-12-22 | 2021-12-22 | Electronic endoscope with adjustable viewing direction angle |
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| Publication Number | Publication Date |
|---|---|
| CN114145692A true CN114145692A (en) | 2022-03-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111580831.7A Pending CN114145692A (en) | 2021-12-22 | 2021-12-22 | Electronic endoscope with adjustable viewing direction angle |
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| Country | Link |
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| CN (1) | CN114145692A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116115175A (en) * | 2023-01-10 | 2023-05-16 | 北京市春立正达医疗器械股份有限公司 | Detect arthroscope of visual angle adjustable |
-
2021
- 2021-12-22 CN CN202111580831.7A patent/CN114145692A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116115175A (en) * | 2023-01-10 | 2023-05-16 | 北京市春立正达医疗器械股份有限公司 | Detect arthroscope of visual angle adjustable |
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Address after: Room 1713-1, No. 23 Youth Square, Jiangyin City, Wuxi City, Jiangsu Province, 214400 Applicant after: Tianyu (Wuxi) Equipment Technology Co.,Ltd. Address before: 454003 Room 102, building 10, science and Technology Park, Henan University of technology, No. 1365, Zhongyuan Road, Jiaozuo demonstration area, Henan Province Applicant before: JIAOZUO TIANYU PRECISION OPTICS CO.,LTD. |