CN112790727B - Otoscope with external display instrument - Google Patents
Otoscope with external display instrument Download PDFInfo
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- CN112790727B CN112790727B CN202110138978.4A CN202110138978A CN112790727B CN 112790727 B CN112790727 B CN 112790727B CN 202110138978 A CN202110138978 A CN 202110138978A CN 112790727 B CN112790727 B CN 112790727B
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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
- A61B1/227—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 for ears, i.e. otoscopes
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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
- A61B1/00043—Operational features of endoscopes provided with output arrangements
- A61B1/00045—Display arrangement
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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
- A61B1/32—Devices for opening or enlarging the visual field, e.g. of a tube of the body
Abstract
The invention belongs to the field of otoscopes, in particular to an otoscope with an external display instrument, aiming at the problems that the traditional mode of using the otoscope by medical staff is single-hand operation, the stability is not high when the otoscope is operated, the medical staff is required to manually prop open the auditory canal of a patient while operating the otoscope, the workload of the medical staff is high, and the using effect of the otoscope is affected.
Description
Technical Field
The invention relates to the technical field of otoscopes, in particular to an otoscope with an external display device.
Background
Otoscopes are endoscopic instruments that perform an examination or surgical assessment of the external auditory meatus, tympanic membrane, middle ear, etc. The ear endoscope can observe the parts which are not easy to observe by the operation microscope, such as the upper thigh chamber, the rear thigh chamber and the like, so as to discover middle ear lesions in time and reduce the recurrence rate of the lesions. The advantages are no wound, high resolution of the in-ear image, high illumination function and high diagnosis rate, and can lead the clinician to grasp specific in-ear fine lesions and provide a timely treatment scheme for patients.
The mode that current medical personnel used the otoscope is single-hand operation, and stability when operating the otoscope is not high, and medical personnel still need manual the opening of the ear canal of disease when operating the otoscope, and medical personnel's work load is big, influences the result of use of otoscope, so we have proposed an otoscope with outer display apparatus for solve the problem that above-mentioned proposes.
Disclosure of Invention
Based on the background technology, the mode that medical staff uses the otoscope is single-hand operation, stability is not high when operating the otoscope, the medical staff still need manual the opening of the auditory canal of disease when operating the otoscope, and medical staff's work load is big, influences the technological problem of the result of use of otoscope, the invention provides an otoscope with outer display apparatus.
The invention provides an otoscope with an external display device, which comprises a base, wherein vertical plates are fixedly arranged on two sides of the base, one side, close to each other, of each vertical plate is fixedly provided with a first placing plate and a second placing plate, display equipment is placed on the first placing plate and the second placing plate, one side of one vertical plate is fixedly provided with a connecting block, the top of the connecting block is movably provided with a movable shaft, the top of the movable shaft is fixedly provided with a transverse plate, one end of the transverse plate is slidably provided with a sliding plate, the top of the sliding plate is fixedly provided with a vertical plate, one side of the vertical plate is fixedly provided with a mounting block, the mounting block is hollow, the inside of the mounting block is movably provided with a limiting ring, one end of the otoscope body penetrates through the inner wall of one side of the mounting block and extends to one side of the mounting block, the limiting ring is provided with a double-hand adjusting assembly, and the inside of the mounting block is provided with an auditory canal opening assembly.
Preferably, in order to help medical personnel abluent the situation in watching disease ear canal, the bottom of base is provided with four brake wheels, and four brake wheels symmetry are installed in the bottom both sides of base, display device is including placing the image processing equipment at first board top of placing, the display screen has been placed at the top of board to the second, image processing equipment is all optical fiber transmission connection with display screen and otoscope body.
Preferably, in order to be convenient to rotate the diaphragm to one side of riser accomodate, the spread groove has been seted up at the top of connecting block, fixed mounting has the expansion ring on the bottom inner wall of spread groove, the bottom of expansion shaft extends to the inside of expansion ring and with the inside swing joint of expansion ring.
Preferably, for the convenience accomodates the slide, reduce occupation space when not using, the spout has been seted up to one side of diaphragm, and the inside slidable mounting of spout has the limiting plate, the one end of slide extends to the inside of spout and with one side fixed mounting of limiting plate, the opposite side fixed mounting of limiting plate has two spacing posts that the symmetry set up, the inside fixed mounting of spout has the locating plate, one end of two spacing posts all runs through one side of locating plate and all extends to the opposite side of spacing post, and two spacing posts all with locating plate sliding connection.
Preferably, can make medical personnel coordinate the position of adjusting the otoscope body with both hands, improve the reliability, the both hands regulation subassembly includes first connecting axle and the second connecting axle of fixed mounting in the spacing ring both sides, and first connecting axle and second connecting axle are perpendicular setting, rotate respectively on first connecting axle and the second connecting axle and install cross axle and vertical axis, one end of cross axle runs through one side inner wall of installation piece and extends to one side of installation piece, and the one end fixed mounting of cross axle has first knob, the top of vertical axis runs through the top inner wall of installation piece and extends to the top of installation piece, and the top fixed mounting of vertical axis has the second knob.
Preferably, in order to make things convenient for the ear canal with the disease to prop up, make things convenient for medical personnel to observe and operate, the ear canal struts the synchronizing shaft of subassembly on installation piece top inner wall including rotating to be installed, the top fixed mounting of synchronizing shaft has the bracing piece, the top of bracing piece runs through the top inner wall of installation piece and extends to the top of installation piece, and the top fixed mounting of bracing piece has the backing roll, equal slidable mounting has T template on the both sides inner wall of installation piece, and the both sides inner wall of installation piece is run through respectively and extend to the both sides of installation piece to the one end that two T templates kept away from each other, and the equal fixed mounting of one end that two T templates kept away from each other struts the ball, and two T templates and synchronizing shaft transmission are connected with same power component.
Preferably, in order to improve driven stability, power pack includes fixed mounting at the biax motor of installing on installation piece bottom inner wall, equal fixed mounting has the screw rod on two output shafts of biax motor, the equal threaded connection in the outside of two screw rods has the screw block, one side that two screw blocks kept away from each other respectively with one side fixed mounting that two T template are close to each other, one side of two screw blocks all rotates and installs the crank, two cranked tops all rotate and install the slider, two sliders respectively with the both sides inner wall sliding connection of installation piece, two sliders all are connected with the synchronizing shaft transmission.
Preferably, in order to prop open the inside top of disease ear, the top of two sliders is all fixed mounting has the rack, rotate on the both sides inner wall of installation piece and install same jackshaft, the outside of two jackshafts is all fixed the cover and is equipped with the gear, and two gears mesh with two racks respectively, the outside fixed cover of jackshaft is equipped with two power wheels that the symmetry set up, and the outside fixed cover of jackshaft is equipped with two follow driving wheels that the symmetry set up, two follow driving wheels mesh with two power wheels respectively.
The beneficial effects of the invention are as follows: the two supporting balls and the supporting rods are matched in position, the two supporting balls and the supporting rods can synchronously support the auditory canal of a patient, the specific structure of the otoscope body is the prior art, the specific structure is not repeated, the otoscope body can transmit images in the auditory canal to image processing equipment, clear display is carried out at a display screen, when the otoscope body needs to be used, a base and two vertical plates are firstly moved, the purpose of arranging brake wheels is to facilitate the movement, improve the flexibility, adjust the angle and the extension length of a sliding plate, adjust the otoscope body to the area opposite to the ear of the patient, support the auditory canal of the patient in order to enable medical staff to more clearly observe the auditory canal of the patient, the specific operation is that a switch of a double-shaft motor is pressed to enable the two screw rods to rotate along with two output shafts of the double-shaft motor, because the two screws are in threaded connection with the two threaded blocks, the rotation of the two screws can be converted into the movement of the two threaded blocks which are far away from each other, meanwhile, the two threaded blocks can provide upward acting force for the two sliding blocks through the two arranged cranks, the longitudinal movement of the rack can be converted into the rotation of the synchronous shaft through the meshing relationship of the arranged racks and the gears and the meshing relationship of the power wheel and the driven wheel, the support roller and the two stretching balls are used for stretching the auditory canal of a patient, the insertion angle of the auditory endoscope body can be adjusted in the using process of the auditory endoscope body, and the angles of the transverse plane and the longitudinal plane of the medical staff can be changed randomly when the auditory endoscope body is inserted into the auditory canal through the arranged first knob, transverse shaft, first connecting shaft, second knob, vertical shaft and second connecting shaft, the purpose that medical staff operate the otoscope body with both hands is achieved, compared with the traditional mode that medical staff operate the otoscope body with one hand, the situation that shaking occurs in the process of operating the otoscope body can be avoided, the auditory canal of a patient can be automatically spread, the workload of the medical staff is small, the auditory canal of the patient can be observed more clearly, and the using effect of the otoscope body is improved;
in order to solve the problem that the space occupied by the sliding plate is large when the sliding plate is not used, the sliding plate can be rotated to one side of the vertical plate to be placed when the otoscope body is not used through the movable connection relation of the movable shaft and the movable ring, so that the occupied space of the sliding plate when the sliding plate is not used can be reduced;
in order to solve the problem that stability is not high when the otoscope body is operated to the single hand, through first knob, cross axle, first connecting axle, second knob, vertical axis and the second connecting axle that set up, can make things convenient for both hands to adjust the angle of otoscope body, excellent in use effect, stability is high.
Drawings
FIG. 1 is a schematic view of an otoscope with an external display device according to the present invention;
FIG. 2 is a cross-sectional view of an open connection structure of an otoscope with an external display device according to the present invention;
FIG. 3 is a cross-sectional view of an ear endoscope mounting block with an external display device according to the present invention;
FIG. 4 is an enlarged schematic view of the portion A of FIG. 1 of an otoscope with an external display device according to the present invention;
fig. 5 is an enlarged schematic view of a portion B of fig. 1 of an otoscope with an external display device according to the present invention.
In the figure: 1 base, 2 brake wheels, 3 vertical plates, 4 first placing plates, 5 second placing plates, 6 image processing equipment, 7 display screens, 8 connecting blocks, 9 connecting grooves, 10 movable rings, 11 movable shafts, 12 transverse plates, 13 limit posts, 14 sliding plates, 15 vertical plates, 16 mounting blocks, 17 limit rings, 18 ear endoscope bodies, 19 first knobs, 20 transverse shafts, 21 first connecting shafts, 22 second knobs, 23 vertical shafts, 24 second connecting shafts, 25 double-shaft motors, 26 screw rods, 27 screw blocks, 28T templates, 29 expanding balls, 30 cranks, 31 sliding blocks, 32 racks, 33 intermediate shafts, 34 gears, 35 synchronous shafts and 36 supporting rods.
Detailed Description
The invention is further illustrated below in connection with specific embodiments.
Examples
Referring to fig. 1-5, an otoscope with an external display device is provided in this embodiment, including a base 1, vertical plates 3 are fixedly installed on two sides of the base 1, one side, close to each other, of two vertical plates 3 is fixedly installed with a same first placing plate 4 and a same second placing plate 5, display devices are placed on the first placing plate 4 and the second placing plate 5, one side of one vertical plate 3 is fixedly installed with a connecting block 8, the top of the connecting block 8 is movably installed with a movable shaft 11, the top of the movable shaft 11 is fixedly installed with a transverse plate 12, one end of the transverse plate 12 is slidably installed with a sliding plate 14, the top of the sliding plate 14 is fixedly installed with a vertical plate 15, one side of the vertical plate 15 is fixedly installed with a mounting block 16, the mounting block 16 is in a hollow configuration, a limiting ring 17 is movably installed inside the mounting block 16, an otoscope body 18 is fixedly installed inside the limiting ring 17, one end of the otoscope body 18 penetrates through one side inner wall of the mounting block 16 and extends to one side of the mounting block 16, an adjusting assembly is provided on the limiting ring 17, and an ear canal assembly is provided inside the mounting block 16.
In this embodiment, in order to help medical staff clear watch the situation in the disease ear canal, the bottom of base 1 is provided with four brake wheels 2, and four brake wheels 2 symmetry are installed in the bottom both sides of base 1, and display device is including placing the image processing device 6 at the first board 4 top of placing, and the display screen 7 has been placed at the top of board 5 to the second, and image processing device 6 is all optical fiber transmission connection with display screen 7 and otoscope body 18.
In this embodiment, in order to be able to conveniently rotate the cross plate 12 to one side of the vertical plate 3 for storage, the top of the connecting block 8 is provided with a connecting groove 9, a movable ring 10 is fixedly mounted on the inner wall of the bottom of the connecting groove 9, and the bottom of the movable shaft 11 extends to the inside of the movable ring 10 and is movably connected with the inside of the movable ring 10.
In this embodiment, in order to conveniently accomodate slide 14, reduce occupation space when not using, the spout has been seted up to one side of diaphragm 12, and the inside slidable mounting of spout has the limiting plate, the one end of slide 14 extends to the inside of spout and with one side fixed mounting of limiting plate, the opposite side fixed mounting of limiting plate has two spacing posts 13 of symmetry setting, the inside fixed mounting of spout has the locating plate, the one end of two spacing posts 13 all runs through one side of locating plate and all extends to the opposite side of spacing post 13, and two spacing posts 13 all with locating plate sliding connection.
In this embodiment, can make medical personnel can both hands coordinate the position of adjusting otoscope body 18, improve the reliability, both hands regulation subassembly includes fixed mounting at the first connecting axle 21 and the second connecting axle 24 of spacing ring 17 both sides, and first connecting axle 21 and second connecting axle 24 are perpendicular setting, rotate respectively on first connecting axle 21 and the second connecting axle 24 and install cross axle 20 and vertical axis 23, one end of cross axle 20 runs through one side inner wall of installation piece 16 and extends to one side of installation piece 16, and one end fixed mounting of cross axle 20 has first knob 19, the top of vertical axis 23 runs through the top inner wall of installation piece 16 and extends to the top of installation piece 16, and the top fixed mounting of vertical axis 23 has second knob 22.
In this embodiment, in order to make things convenient for the ear canal of disease to prop up, make things convenient for medical personnel to observe and operate, the ear canal struts the subassembly and struts the synchronizing shaft 35 on the inner wall of installation piece 16 top including rotating, the top fixed mounting of synchronizing shaft 35 has bracing piece 36, the top of bracing piece 36 runs through the top inner wall of installation piece 16 and extends to the top of installation piece 16, and the top fixed mounting of bracing piece 36 has the backing roll, equal slidable mounting has T template 28 on the both sides inner wall of installation piece 16, the one end that two T templates 28 kept away from each other runs through the both sides inner wall of installation piece 16 respectively and extends to the both sides of installation piece 16 respectively, and the equal fixed mounting of one end that two T templates 28 kept away from each other struts ball 29, two T templates 28 and synchronizing shaft 35 transmission are connected with same power component.
In this embodiment, in order to improve driven stability, power component includes fixed mounting on installing the biax motor 25 on the inner wall of installation piece 16 bottom, equal fixed mounting has screw rod 26 on two output shafts of biax motor 25, the equal threaded connection in the outside of two screw rods 26 has screw thread piece 27, one side that two screw thread pieces 27 keep away from each other is respectively with one side fixed mounting that two T template 28 are close to each other, crank 30 is installed in equal rotation of one side of two screw thread pieces 27, slider 31 is installed in equal rotation of the top of two crank 30, two slider 31 respectively with the both sides inner wall sliding connection of installation piece 16, two slider 31 all are connected with synchronizing shaft 35 transmission.
In this embodiment, in order to prop open the upper part of the ear of the patient, racks 32 are fixedly mounted at the tops of two sliders 31, a same intermediate shaft 33 is rotatably mounted on the inner walls of two sides of the mounting block 16, gears 34 are fixedly sleeved on the outer sides of the two intermediate shafts 33, the two gears 34 are respectively meshed with the two racks 32, two power wheels symmetrically arranged are fixedly sleeved on the outer sides of the intermediate shafts 33, two driven wheels symmetrically arranged are fixedly sleeved on the outer sides of the synchronizing shafts 35, and the two driven wheels are respectively meshed with the two power wheels.
In this embodiment, when the otoscope body 18 is needed, the base 1 and the two vertical plates 3 are moved first, the purpose of the brake wheel 2 is to facilitate movement, improve flexibility, adjust the angle and the extension length of the slide plate 14, adjust the otoscope body 18 to the area facing the ear of the patient, and in order for the medical staff to observe the ear canal of the patient more clearly, the otoscope body needs to be opened, specifically, the two screws 26 are rotated along with the two output shafts of the two-shaft motor 25 by pressing the switch of the two-shaft motor 25, and because the two screws 26 are in threaded connection with the two threaded blocks 27, the rotation of the two screws 26 can be converted into the movement of the two threaded blocks 27 away from each other, meanwhile, the two threaded blocks 27 can provide upward acting force for the two slide blocks 31 via the two cranks 30, the meshing relationship between the rack 32 and the gear 34 is adopted, the longitudinal movement of the rack 32 can be converted into the rotation of the synchronous shaft 35, the ear canal of a patient is supported by the supporting roller and the two supporting balls 29, the insertion of the ear endoscope body 18 is facilitated, the insertion angle of the ear endoscope body 18 can be regulated in the using process of the ear endoscope body 18, the medical staff can randomly change the angles of the transverse plane and the longitudinal plane when the ear endoscope body 18 is inserted into the ear canal through the arranged first knob 19, the transverse shaft 20, the first connecting shaft 21, the second knob 22, the vertical shaft 23 and the second connecting shaft 24, the purpose of operating the ear endoscope body 18 by the medical staff is realized, compared with the traditional mode that the ear endoscope body 18 is operated by one hand by the medical staff, the shaking condition in the process of operating the ear endoscope body 18 can be avoided, the auditory canal of disease can be automatically unfolded, the workload of medical staff is small, the auditory canal of disease can be observed more clearly by the medical staff, and the using effect of the otoscope body 18 is improved.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (5)
1. An otoscope with external display apparatus comprises a base (1), and is characterized in that two sides of the base (1) are fixedly provided with vertical plates (3), one side of each vertical plate (3) which is close to the other is fixedly provided with a first placing plate (4) and a second placing plate (5), display equipment is placed on the first placing plate (4) and the second placing plate (5), one side of one vertical plate (3) is fixedly provided with a connecting block (8), the top of the connecting block (8) is movably provided with a movable shaft (11), the top of the movable shaft (11) is fixedly provided with a transverse plate (12), one end of the transverse plate (12) is slidably provided with a sliding plate (14), the top of the sliding plate (14) is fixedly provided with a vertical plate (15), one side of the vertical plate (15) is fixedly provided with a mounting block (16), the mounting block (16) is hollow, the inside of the mounting block (16) is movably provided with a limiting ring (17), the inside of the body of the limiting ring (17) is fixedly provided with a connecting block (8), the inside of the body (18) is provided with a limiting component (16) extending to one side of the two-hand type of the mounting component (16), the ear canal opening assembly comprises a synchronous shaft (35) rotatably mounted on the inner wall of the top of a mounting block (16), a supporting rod (36) is fixedly mounted at the top of the synchronous shaft (35), the top of the supporting rod (36) penetrates through the inner wall of the top of the mounting block (16) and extends to the upper part of the mounting block (16), a supporting roller is fixedly mounted at the top of the supporting rod (36), T-shaped plates (28) are uniformly and slidably mounted on the inner walls of the two sides of the mounting block (16), one ends of the two T-shaped plates (28) which are far away from each other penetrate through the inner walls of the two sides of the mounting block (16) respectively and extend to the two sides of the mounting block (16), opening balls (29) are fixedly mounted at one ends of the two T-shaped plates (28) which are far away from each other, the two T-shaped plates (28) and the synchronous shaft (35) are in transmission connection with the same power assembly, the power assembly comprises a double-shaft motor (25) fixedly mounted on the inner wall of the bottom of the mounting block (16), screws (26) are fixedly mounted on two output shafts of the double-shaft motor (25), two screw rods (27) are connected with two crank screws (27) which are far away from each other, two crank screws (27) are fixedly mounted on one sides of the two crank blocks (27) which are far away from each other, and two crank screws (30) are fixedly mounted on one sides of the two crank blocks (27), two sliders (31) are respectively connected with the inner walls of the two sides of the installation block (16) in a sliding manner, the two sliders (31) are respectively connected with the synchronous shafts (35) in a transmission manner, racks (32) are fixedly installed at the tops of the two sliders (31), the same intermediate shaft (33) is rotatably installed on the inner walls of the two sides of the installation block (16), gears (34) are fixedly sleeved on the outer sides of the two intermediate shafts (33), the two gears (34) are respectively meshed with the two racks (32), two power wheels which are symmetrically arranged are fixedly sleeved on the outer sides of the intermediate shafts (33), two driven wheels which are symmetrically arranged are fixedly sleeved on the outer sides of the synchronous shafts (35), and the two driven wheels are respectively meshed with the two power wheels.
2. An otoscope with external display device according to claim 1, characterized in that the bottom of the base (1) is provided with four brake wheels (2), the four brake wheels (2) are symmetrically arranged at both sides of the bottom of the base (1), the display device comprises an image processing device (6) arranged at the top of the first arranging plate (4), the top of the second arranging plate (5) is provided with a display screen (7), and the image processing device (6) is in optical fiber transmission connection with both the display screen (7) and the otoscope body (18).
3. An otoscope with external display device according to claim 1, characterized in that the top of the connecting block (8) is provided with a connecting groove (9), a movable ring (10) is fixedly installed on the inner wall of the bottom of the connecting groove (9), and the bottom of the movable shaft (11) extends to the inside of the movable ring (10) and is movably connected with the inside of the movable ring (10).
4. An otoscope with external display device according to claim 1, characterized in that, a chute is provided on one side of the cross plate (12), and a limit plate is slidably mounted in the chute, one end of the slide plate (14) extends to the inside of the chute and is fixedly mounted with one side of the limit plate, two limit posts (13) symmetrically arranged are fixedly mounted on the other side of the limit plate, a positioning plate is fixedly mounted in the inside of the chute, one ends of the two limit posts (13) penetrate one side of the positioning plate and extend to the other side of the limit posts (13), and the two limit posts (13) are slidably connected with the positioning plate.
5. An otoscope with external display device according to claim 1, characterized in that the two-hand adjusting assembly comprises a first connecting shaft (21) and a second connecting shaft (24) fixedly installed at two sides of the limiting ring (17), the first connecting shaft (21) and the second connecting shaft (24) are vertically arranged, a transverse shaft (20) and a vertical shaft (23) are respectively installed on the first connecting shaft (21) and the second connecting shaft (24) in a rotating mode, one end of the transverse shaft (20) penetrates through one side inner wall of the mounting block (16) and extends to one side of the mounting block (16), one end of the transverse shaft (20) is fixedly provided with a first knob (19), the top of the vertical shaft (23) penetrates through the top inner wall of the mounting block (16) and extends to the upper portion of the mounting block (16), and the top of the vertical shaft (23) is fixedly provided with a second knob (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110138978.4A CN112790727B (en) | 2021-01-27 | 2021-01-27 | Otoscope with external display instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110138978.4A CN112790727B (en) | 2021-01-27 | 2021-01-27 | Otoscope with external display instrument |
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| CN112790727A CN112790727A (en) | 2021-05-14 |
| CN112790727B true CN112790727B (en) | 2023-10-17 |
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| CN212168785U (en) * | 2020-04-26 | 2020-12-18 | 苏州雅琪新精密机械有限公司 | Accurate five metals stamping die |
| CN111493797A (en) * | 2020-06-03 | 2020-08-07 | 江苏省人民医院（南京医科大学第一附属医院） | Multifunctional medical support frame for otoscope |
| CN112245197A (en) * | 2020-11-16 | 2021-01-22 | 何娴 | Examination device for ear-nose-throat department |
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