CN115299843B - Endoscope lens flatness adjusting system and using method thereof - Google Patents
Endoscope lens flatness adjusting system and using method thereof Download PDFInfo
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- CN115299843B CN115299843B CN202210839614.3A CN202210839614A CN115299843B CN 115299843 B CN115299843 B CN 115299843B CN 202210839614 A CN202210839614 A CN 202210839614A CN 115299843 B CN115299843 B CN 115299843B
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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
- A61B1/00057—Operational features of endoscopes provided with means for testing or calibration
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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
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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
- A61B1/005—Flexible endoscopes
- A61B1/0051—Flexible endoscopes with controlled bending of insertion part
- A61B1/0055—Constructional details of insertion parts, e.g. vertebral elements
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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
- A61B1/005—Flexible endoscopes
- A61B1/008—Articulations
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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
Abstract
The invention discloses an endoscope lens flatness adjusting system and a using method thereof, wherein the endoscope lens flatness adjusting system comprises a display, an image processor and a test track seat, wherein the display is used for displaying a detection image of an electronic endoscope to be detected; the image processor is used for connecting the electronic endoscope to be detected and feeding back a detection image to the display; the test track seat is used for rotationally positioning the lens of the tested electronic endoscope and horizontally fixing the bent tube and the handheld part of the tested electronic endoscope in a sleeved mode, and is provided with an image parallel reference object for shooting by the lens of the tested electronic endoscope and a lens rotating assembly for circumferentially deflecting and adjusting the lens of the tested electronic endoscope after the insertion sleeve is locked relative to the bent tube of the tested electronic endoscope; the tested electronic endoscope is positioned and fixed through the test track seat, and the lens is fixed at the end part of the bent pipe after the deflection adjustment of the lens rotating assembly, so that the lens flatness of the tested electronic endoscope is uniformly adjusted and positioned in production, and the production efficiency and the production quality are effectively improved.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technology of medical instruments, in particular to an endoscope lens flatness adjusting system and a using method thereof.
[ background of the invention ]
The endoscope is a commonly used medical instrument, enters a human body through a natural cavity or a minimally invasive incision of the human body, is inserted into an organ part to be checked when in use, and displays, amplifies and stores a real-time image by being connected with an image processor, so that a doctor can observe and review the image in real time and print the image to form a medical report.
In the production and processing process of the endoscope, various parameters of a lens of the endoscope need to be adjusted, and when the lens is adjusted, a proper object is generally searched for as a reference object, then the focal length of the endoscope is adjusted by comparing the reference object, and the adjusting effect is confirmed; meanwhile, in order to truly restore the accuracy of the observed image, the imaging module and the lens are required to be assembled to ensure horizontal correspondence, that is, the inclination angle of the image after levelness adjustment is required to be as small as possible, so that the inclination angle of the observed horizontal line can be ensured to be within the set error range.
However, in the production and processing process of the endoscope, because the shapes of the snake bone and the lens on the existing medical endoscope are both cylindrical and lack a reference positioning position, when the lens of the medical endoscope is assembled with the snake bone, the lens cannot be assembled to the planeness required by the technology at one time, and the change of the image levelness can be caused no matter which link is rotated and adjusted. Therefore, the endoscope lens at the top end needs to be repeatedly and repeatedly rotated and adjusted for multiple times relative to the snake bone so as to meet the required technical standard requirement. Moreover, since the lens of the medical endoscope is small, under the precondition of no tools or tools, a lot of time and energy are usually needed to adjust the flatness of the lens.
Due to the above reasons, as well as the endoscope itself and the reasons in the using process, the levelness of the endoscope lens image is not controlled, and is difficult to be adjusted in place at one time, the flatness consistency of the similar medical endoscope lenses produced in all batches cannot be effectively ensured, the product quality cannot be effectively controlled, and the adjustment of the levelness of the endoscope lens becomes an important factor restricting the assembly efficiency of the medical endoscope.
[ summary of the invention ]
The embodiment of the invention provides an endoscope lens flatness adjusting system and a using method thereof, which are convenient for positioning connection between a lens and a snake bone, effectively solve the problems of low efficiency and uncontrollable quality caused by manual adjustment of the lens flatness, effectively ensure that the lens flatness of each batch of production assembly is consistent and controllable, and effectively improve the processing quality and the processing efficiency.
The technical scheme adopted by at least one embodiment of the invention is as follows:
in a first aspect, an embodiment of the present invention provides an endoscope lens flatness adjusting system, which is used for uniformly adjusting and positioning the lens flatness of an electronic endoscope to be tested during production, and includes:
the display is used for displaying a detection image of the electronic endoscope to be detected;
the image processor is used for connecting the electronic endoscope to be tested and feeding back a detection image to the display;
the test track seat is used for rotatably positioning the lens of the tested electronic endoscope and horizontally fixing the bent tube of the tested electronic endoscope and the handheld part in a sleeved mode, and is provided with an image parallel reference object for shooting by the lens of the tested electronic endoscope and a lens rotating assembly for circumferentially deflecting and adjusting the lens of the tested electronic endoscope after the insertion sleeve is locked relative to the bent tube of the tested electronic endoscope.
Preferably, a linear positioning groove for positioning and fixing the bent pipe of the tested electronic endoscope is arranged on the test rail seat along the length direction;
a handheld limiting groove which is communicated with the linear positioning groove and is used for nesting and fixing the handheld part of the tested electronic endoscope is concavely arranged on the test track seat at the rear end of the linear positioning groove;
and the front end of the test track seat is provided with a track groove for fixedly mounting an image parallel reference object and a lens rotating assembly along the same axial direction in the same linear extending direction of the linear positioning groove.
Preferably, a linear slide rail for controlling the translation distance of the image parallel reference object relative to the lens rotating assembly is arranged in the rail groove along the same linear extending direction of the linear positioning groove;
a sliding block for vertically fixing the image parallel reference object is slidably sleeved on the linear sliding rail;
the lens rotating assembly is fixed at the other end of the linear slide rail opposite to the image parallel reference object.
Preferably, the image parallel reference object comprises a parallel stripe plate and a fixed block, a plurality of transverse horizontal stripes which are uniformly distributed and then just face to the lens of the detected electronic endoscope are arranged on the front side surface of the parallel stripe plate, and the rear side of the parallel stripe plate is tightly attached to the fixed block and vertically fixed on the sliding block.
Preferably, the lens rotating assembly comprises a lens fixing seat and a lens deflection toggle sleeve, and the lens fixing seat is slidably mounted on the linear slide rail;
a deflection positioning hole coaxially arranged with the bent pipe of the electronic endoscope to be tested in the linear positioning groove is formed in the upward bulge of the lens fixing seat;
the lens deflection toggle sleeve is integrally formed by adopting an elastic material, the center of the lens deflection toggle sleeve is provided with a hollow sleeve-shaped structure which is elastically nested, locked and inserted into the lens of the electronic endoscope to be detected, and the periphery of the lens deflection toggle sleeve is elastically and rotatably nested in the deflection positioning hole of the lens fixing seat;
the projection of one end of the lens deflection toggle sleeve is integrally connected with a lug which is convenient for external force to toggle the lens of the electronic endoscope to be tested and is fixed in the lens deflection toggle sleeve, and the lug coaxially rotates along the deflection positioning hole.
Preferably, the lens deflection toggle sleeve and the lug are integrally formed by adopting a silica gel material.
In a second aspect, an embodiment of the present invention provides a method for using an endoscope lens flatness adjusting system, including the following steps:
s1, a handheld part of the tested electronic endoscope is horizontally nested and fixedly installed in a handheld limiting groove at the rear end of a testing track seat, and a flexible snake bone bent pipe and a far-end lens of the tested electronic endoscope are in a vertical state relative to a horizontal platform where the testing track seat is located;
then, the flexible snake bone bent pipe of the tested electronic endoscope is placed in the linear positioning groove of the test track seat, and the insertion part of the distal end of the tested electronic endoscope is placed in the linear positioning groove, so that the insertion part of the distal end of the tested electronic endoscope is ensured not to shake in the assembling process;
then, connecting the signal line at the rear end of the electronic endoscope to be tested with an image processor and a display in sequence, and calling a cross reference line from the display;
s2, the flexible snake-bone bent pipe and the lens of the insertion part at the far end of the electronic endoscope to be tested penetrate through the deflection positioning hole in the lens fixing seat together, so that the flexible snake-bone bent pipe of the electronic endoscope to be tested is kept in the horizontal direction;
s3, inserting a lens of the electronic endoscope to be tested into the lens deflection toggle sleeve in an interference fit manner, then, moving the sliding lens fixing seat forward along the linear slide rail, so that the lens and the lens deflection toggle sleeve are coaxially nested in a deflection positioning hole on the lens fixing seat;
s4, moving the lens fixing seat backwards along the linear slide rail to slide, and sleeving the lens of the electronic endoscope to be tested into a specified position at the end part of the flexible snake bone bent pipe;
s5, observing the display, comparing whether a parallel line image projected by a parallel reference object of the image at the front end of the linear slide rail through the lens is parallel to a cross reference line in the display, and fixing the lens of the electronic endoscope to be tested and the end part of the flexible snake bone bent pipe by dispensing quick-drying glue if the parallel line image is parallel to the cross reference line;
if the image projected by the lens is not parallel to the cross reference line in the display, the lens is shifted by the lug to deflect the shifting sleeve, the lens of the electronic endoscope to be tested is driven to synchronously rotate, the parallel line image of the observed image parallel reference object is parallel to the cross reference line in the display, and then quick-drying glue is dispensed to fix the lens of the electronic endoscope to be tested and the end part of the flexible snake bone bent pipe;
and S6, after the lens of the electronic endoscope to be tested is completely fixed at the end part of the flexible snake bone bent pipe by the quick-drying adhesive, ejecting the lens from the lens fixing seat by a soft cotton stick through deflecting the lens from the front end and shifting the sleeve, and taking down the electronic endoscope to be tested, so that the adjustment of the flatness of the lens is completed.
The invention has the beneficial effects that:
according to the invention, the tested electronic endoscope is positioned and fixed through the test track seat, and the lens is fixed at the end part of the snake-bone bent pipe after the deflection adjustment of the lens rotating assembly, so that the positioning connection between the lens and the snake-bone bent pipe is facilitated, the problems of low efficiency and uncontrollable quality caused by manual adjustment of the flatness of the lens are effectively solved, the uniform adjustment and positioning of the flatness of the lens of the tested electronic endoscope in production are realized, the uniformity and controllability of the flatness of the lens in each batch of production and assembly are effectively ensured, and the processing quality and the processing efficiency are effectively improved.
Moreover, the snake-bone bent pipe is positioned through the linear positioning groove of the test rail seat, and the front and back positions and the circumferential rotation angle of the lens are adjusted through the lens fixing seat and the lens deflection toggle sleeve on the lens rotating assembly, so that the assembly efficiency in the production process is greatly improved, and the assembly consistency is effectively ensured; meanwhile, the technical difficulty of the assembly process is effectively reduced, an assembly technician with high skill is not needed, and a common technician can quickly complete the modulation and assembly of the plane of the endoscope lens, so that the process difficulty is effectively simplified.
[ description of the drawings ]
FIG. 1 is a schematic diagram of a system architecture in an embodiment of the invention;
FIG. 2 is an enlarged view of part A of FIG. 1;
FIG. 3 is a schematic perspective view of a test track base and a connecting member thereof according to an embodiment of the present invention;
FIG. 4 is a schematic exploded view of a test track base and its attachment according to an embodiment of the present invention;
fig. 5 is an image display diagram during the lens flatness adjustment process according to the embodiment of the present invention.
Reference numerals:
1. a display; 2. an image processor; 3. testing the rail seat; 30. a linear positioning groove; 31. A hand-held limiting groove; 32. a track groove; 4. an electronic endoscope; 40. bending the pipe; 41. a hand-held portion; 5. an image parallel reference object; 50. parallel striped plates; 51. a fixed block; 6. a lens rotating assembly; 60. a lens fixing seat; 600. deflecting the positioning hole; 61. a lens deflection toggle sleeve; 610. a lug; 7. a linear slide rail; 8. and a slider.
[ detailed description ] embodiments
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
The embodiment provides an endoscope lens flatness adjusting system, which is used for uniformly adjusting and positioning the lens flatness of an electronic endoscope to be tested in production, and as shown in fig. 1 to 3, the endoscope lens flatness adjusting system comprises a display 1, an image processor 2 and a test track base 3, wherein the display 1 is used for displaying a detection image of the electronic endoscope 4 to be tested, and the image processor 2 is used for connecting the electronic endoscope 4 to be tested and feeding back the detection image to the display 1; the test rail base 3 is used for rotationally positioning the lens of the tested electronic endoscope 4 and horizontally fixing the bent pipe 40 and the handheld part 41 of the tested electronic endoscope 4 in a sleeved mode, and the test rail base 3 is provided with a parallel reference object 5 of an image shot by the lens of the tested electronic endoscope 4 and a lens rotating assembly 6 for adjusting circumferential deflection of the lens of the tested electronic endoscope 4 after the insertion sleeve is locked relative to the bent pipe 40 of the tested electronic endoscope 4.
As shown in fig. 1 to fig. 3, a linear positioning groove 30 for positioning and fixing the bent tube 40 of the tested electronic endoscope 4 is linearly arranged on the test rail base 3 along the length direction, and a handheld limiting groove 31 which is communicated with the linear positioning groove 30 and used for nesting and fixing the handheld part 41 of the tested electronic endoscope 4 is concavely arranged on the test rail base 3 at the rear end of the linear positioning groove 30; the front end of the test rail base 3 is provided with a rail groove 32 for fixedly mounting the image parallel reference object 5 and the lens rotating assembly 6 along the same axial direction in the same linear extending direction of the linear positioning groove 30, and a linear slide rail 7 for controlling the translation distance of the image parallel reference object 5 relative to the lens rotating assembly 6 is arranged in the rail groove 32 along the same linear extending direction of the linear positioning groove 30.
As shown in fig. 1 to fig. 3, the linear guideway 7 is slidably sleeved with a slide block 8 for vertically fixing the image parallel reference object 5, and the lens rotation component 6 is fixed at the other end of the linear guideway 7 opposite to the image parallel reference object 5. The image parallel reference object 5 comprises a parallel stripe plate 50 and a fixed block 51, a plurality of transverse horizontal stripes which are uniformly distributed and then face the lens of the electronic endoscope 4 to be detected are arranged on the front side surface of the parallel stripe plate 50, and the rear side of the parallel stripe plate 50 is tightly attached to the fixed block 51 and vertically fixed on the sliding block 8.
As shown in fig. 1 to fig. 3, the lens rotating assembly 6 includes a lens fixing base 60 and a lens deflection toggle sleeve 61, wherein the lens fixing base 60 is slidably mounted on the linear slide rail 7; the lens fixing base 60 is formed with a deflection positioning hole 600 which is coaxially arranged with the bent pipe of the tested electronic endoscope 4 in the linear positioning groove 30 in an upward protruding manner; the lens deflection toggle sleeve 61 is integrally formed by adopting an elastic silica gel material, the center of the lens deflection toggle sleeve is provided with a hollow sleeve-shaped structure which is elastically nested, locked and inserted into the lens of the electronic endoscope 4 to be detected, and the periphery of the lens deflection toggle sleeve 61 is elastically and rotatably nested in the deflection positioning hole 600 of the lens fixing seat 60; meanwhile, a convex lug 610 which is convenient for an external force to stir the lens of the electronic endoscope 4 to be tested and is fixed in the lens deflection stirring sleeve 61 and coaxially rotates along the deflection positioning hole 600 is arranged on the convex connected with one end of the lens deflection stirring sleeve 61 in an integrated mode.
The using method of the endoscope lens flatness adjusting system, as shown in fig. 1 to 4, comprises the following steps:
s1, a handheld part of an electronic endoscope 4 to be tested is horizontally nested and fixedly installed in a handheld limiting groove 31 at the rear end of a test track seat 3, and a flexible snake bone bent pipe and a far-end lens of the electronic endoscope 4 to be tested are in a vertical state relative to a horizontal platform where the test track seat 3 is located;
then, the flexible snake bone bent pipe of the tested electronic endoscope 4 is placed in the linear positioning groove 30 of the test track seat 3, and the insertion part at the far end of the tested electronic endoscope 4 is placed in the linear positioning groove 30, so that the insertion part at the far end of the tested electronic endoscope 4 cannot shake in the assembling process;
then, connecting a signal line at the rear end of the electronic endoscope 4 to be tested with the image processor 2 and the display 1 in sequence, and calling a cross reference line from the display 1;
s2, the flexible snake bone bent pipe and the lens of the far end insertion part of the tested electronic endoscope 4 penetrate through the deflection positioning hole 600 on the lens fixing seat 60 together, so that the flexible snake bone bent pipe of the tested electronic endoscope 4 is kept in the horizontal direction;
s3, plugging the lens of the electronic endoscope 4 to be detected into the lens deflection toggle sleeve 61 in an interference fit manner, then, moving the sliding lens fixing seat 60 forwards along the linear slide rail 7, so that the lens and the lens deflection toggle sleeve 61 are coaxially nested in the deflection positioning hole 600 on the lens fixing seat 60;
s4, moving the lens fixing seat 60 backwards along the linear slide rail 7 to slide, and sleeving the lens of the electronic endoscope 4 to be detected into a specified position at the end part of the flexible snake bone bent pipe;
s5, observing the display 1, comparing whether a parallel line image projected by the parallel reference object 5 of the front end image of the linear slide rail 7 through the lens is parallel to a cross reference line in the display 1, and fixing the lens of the electronic endoscope 4 to be tested and the end part of the flexible snake bone bent pipe by dispensing quick-drying glue if the parallel line image is parallel to the cross reference line;
if the image projected by the lens is not parallel to the cross reference line in the display 1, the lens is shifted by the lug 610 to deflect the shifting sleeve 61, the lens of the electronic endoscope 4 to be tested is driven to synchronously rotate, the parallel line image of the observed image parallel to the reference object 5 is parallel to the cross reference line in the display 1, and then quick-drying glue is dispensed to fix the lens of the electronic endoscope 4 to be tested with the end part of the flexible snake bone bent pipe;
and S6, after the lens of the electronic endoscope 4 to be tested is completely fixed at the end part of the flexible snake bone bent pipe by the quick-drying glue, ejecting the lens from the lens fixing seat 60 to the lens deflection toggle sleeve 61 from the front end by adopting a soft cotton stick, and taking down the electronic endoscope 4 to be tested, namely, completing the adjustment of the lens flatness.
In the embodiment, the tested electronic endoscope 4 is positioned and fixed through the test track seat 3, and the lens is fixed at the end part of the snake-bone bent pipe after the deflection adjustment of the lens rotating component 6, so that the positioning connection between the lens and the snake-bone bent pipe is facilitated, the unified adjustment and positioning of the flatness of the lens of the tested electronic endoscope 4 in production are effectively realized, and the consistency and controllability of the flatness of the lens of each batch of production assembly are effectively ensured.
In the description of the present invention, it should be noted that the terms "front" and "back" and the like indicate orientations and positional relationships based on orientations and positional relationships shown in the drawings or orientations and positional relationships where the products of the present invention are conventionally placed in use, and are used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
The above-mentioned embodiments are merely preferred embodiments of the present invention, and not intended to limit the scope of the invention, and all equivalent changes in shape, structure and principle of the invention should be covered by the protection scope of the present invention.
Claims (5)
1. The utility model provides an endoscope camera lens flatness governing system for the unified adjustment of lens flatness and location of the electronic endoscope that is surveyed in production, its characterized in that includes:
the display is used for displaying a detection image of the electronic endoscope to be detected;
the image processor is used for connecting the electronic endoscope to be tested and feeding back a detection image to the display;
the test track base is used for rotationally positioning the lens of the tested electronic endoscope and horizontally fixing the bent pipe of the tested electronic endoscope and the handheld part in a sleeved mode, and is provided with an image parallel reference object for shooting by the lens of the tested electronic endoscope and a lens rotating assembly for circumferentially deflecting and adjusting the lens of the tested electronic endoscope after the insertion sleeve is locked relative to the bent pipe of the tested electronic endoscope;
a linear positioning groove for positioning and fixing the bent pipe of the tested electronic endoscope is arranged on the test track seat along the length direction;
a handheld limiting groove which is communicated with the linear positioning groove and is used for nesting and fixing the handheld part of the tested electronic endoscope is concavely arranged on the test track seat at the rear end of the linear positioning groove;
the front end of the test rail seat is provided with a rail groove for fixedly mounting an image parallel reference object and a lens rotating assembly along the same axial direction in the same linear extending direction of the linear positioning groove; a linear slide rail for controlling the translation distance of the image parallel reference object relative to the lens rotating assembly is arranged in the rail groove along the same linear extending direction of the linear positioning groove;
the linear slide rail is slidably sleeved with a sliding block for vertically fixing the image parallel reference object; the lens rotating assembly is fixed at the other end of the linear slide rail opposite to the image parallel reference object.
2. The endoscope lens flatness adjusting system according to claim 1, wherein the image parallel reference object includes a parallel stripe plate and a fixed block, a plurality of horizontal stripes which are evenly distributed and then face the measured electronic endoscope lens are arranged on the front side surface of the parallel stripe plate, and the rear side of the parallel stripe plate is closely attached to the fixed block and vertically fixed on the sliding block.
3. The endoscope lens flatness adjusting system of claim 1, wherein the lens rotating assembly includes a lens fixing base and a lens deflection toggle sleeve, the lens fixing base is slidably mounted on the linear slide rail;
a deflection positioning hole coaxially arranged with the bent pipe of the electronic endoscope to be tested in the linear positioning groove is formed in the upward bulge of the lens fixing seat;
the lens deflection toggle sleeve is integrally formed by adopting an elastic material, the center of the lens deflection toggle sleeve is provided with a hollow sleeve-shaped structure which is elastically nested, locked and inserted into the lens of the electronic endoscope to be detected, and the periphery of the lens deflection toggle sleeve is elastically and rotatably nested in the deflection positioning hole of the lens fixing seat;
one end of the lens deflection toggle sleeve is integrally connected with a protrusion which is convenient for an external force to toggle the lens of the electronic endoscope to be tested which is fixed in the lens deflection toggle sleeve, and a lug which coaxially rotates along the deflection positioning hole.
4. The system of claim 3, wherein the lens deflection toggle sleeve and the lug are integrally formed of silicone.
5. A use method of an endoscope lens flatness adjusting system is characterized by comprising the following steps:
s1, a handheld part of the tested electronic endoscope is horizontally nested and fixedly installed in a handheld limiting groove at the rear end of a testing track seat, and a flexible snake bone bent pipe and a far-end lens of the tested electronic endoscope are in a vertical state relative to a horizontal platform where the testing track seat is located;
then, the flexible snake bone bent pipe of the tested electronic endoscope is placed in the linear positioning groove of the test track seat, and the insertion part of the distal end of the tested electronic endoscope is placed in the linear positioning groove, so that the insertion part of the distal end of the tested electronic endoscope is ensured not to shake in the assembling process;
then, connecting the signal line at the rear end of the electronic endoscope to be tested with an image processor and a display in sequence, and calling a cross reference line from the display;
s2, the flexible snake bone bent pipe and the lens of the insertion part at the far end of the tested electronic endoscope penetrate through the deflection positioning hole on the lens fixing seat, so that the flexible snake bone bent pipe of the tested electronic endoscope is kept in the horizontal direction;
s3, inserting a lens of the electronic endoscope to be tested into the lens deflection toggle sleeve in an interference fit manner, then, moving the sliding lens fixing seat forward along the linear slide rail, so that the lens and the lens deflection toggle sleeve are coaxially nested in a deflection positioning hole on the lens fixing seat;
s4, moving the lens fixing seat backwards along the linear sliding rail to slide, and inserting the lens of the electronic endoscope to be tested into the specified position of the end part of the flexible snake-bone bent pipe in a penetrating manner;
s5, observing the display, comparing whether a parallel line image projected by a parallel reference object of the image at the front end of the linear slide rail through the lens is parallel to a cross reference line in the display, and fixing the lens of the electronic endoscope to be tested and the end part of the flexible snake bone bent pipe by dispensing quick-drying glue if the parallel line image is parallel to the cross reference line;
if the image projected by the lens is not parallel to a cross reference line in the display, the lens is shifted by the lug to deflect the shifting sleeve, the lens of the electronic endoscope to be tested is driven to synchronously rotate, so that the parallel line image of the observed parallel reference object of the image is parallel to the cross reference line in the display, and then quick-drying glue is dispensed to fix the lens of the electronic endoscope to be tested and the end part of the flexible snake bone bent pipe;
and S6, after the lens of the electronic endoscope to be tested is completely fixed at the end part of the flexible snake bone bent pipe by the quick-drying adhesive, ejecting the lens from the lens fixing seat by a soft cotton stick through deflecting the lens from the front end and shifting the sleeve, and taking down the electronic endoscope to be tested, so that the adjustment of the flatness of the lens is completed.
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| CN210871449U (en) * | 2019-07-18 | 2020-06-30 | 湖南瑞邦医疗科技发展有限公司 | Self-locking disposable electronic endoscope |
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