Fiber bronchoscope optical performance detection device
By designing a fiber bronchoscope optical performance detection device, the problem of insufficient optical performance detection in the existing technology is solved, and accurate detection and safety assurance of the fiber bronchoscope are achieved.
Patent Information
- Application Number
- CN202423132256.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-18
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-12-18
AI Technical Summary
Existing fiber bronchoscopes lack specialized optical performance testing devices, resulting in indicators such as field of view angle, angular resolution, illumination uniformity and color reproduction not meeting the standards, which may endanger patient health.
A fiber bronchoscope optical performance testing device was designed, which included a testing platform, testing equipment, a rack and pinion translation platform, a reflective test card and other components. The optical performance test was performed by achieving precise movement of the fiber bronchoscope and the reflective test card through three-axis linkage.
It realizes the optical performance test of fiber bronchoscopes, supports comparative evaluation of different brands and specifications, and ensures detection accuracy and safety.
Smart Images
Figure CN223449452U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the field of medical instrument optical performance test, and relates to a fibrobronchoscope optical performance detection device. BACKGROUND
[0002] The fibrobronchoscope is also called fibrobronchoscope, is generally composed of an ocular lens, a hand wheel (soft or semi-rigid), a forceps channel, a light guide interface, a light guide, and a light beam, has the advantages of minimally invasive and high safety, is suitable for observation, sampling biopsy, cytological examination, and photography of lung lobe, lung segment, and even sub-segment level bronchial lesions, and is widely used in bronchial alveolar lavage, fibrobronchoscope needle biopsy, and treatment of patients with mechanical ventilation in the respiratory department. The "Soft Fibroscopic Endoscope (Class II) Registration Technology Review Guidelines (2017 Revised Edition)" points out that if the field of view angle, angular resolution (when the working distance is specified), illumination uniformity, color resolution ability, and color restoration do not meet the requirements of existing standards (which can refer to GB 11244-2005, YY1028-2008, etc.), harm will be caused, the index or tolerance is not lower than the requirements of existing national standards and / or industry standards; distortion mainly occurs at the edge of the field of view, including image edge deformation caused by the difference between the optical system center and the edge magnification, and dizziness caused by the inconsistency of distortion caused by the misalignment of the optical axis or the center deviation. When designing distortion correction, the field shape parameters and the corresponding clinical model should be met. There is no special standard for such products on the market, and there is no special standard detection device for such products on the market.
[0003] Therefore, a fibrobronchoscope optical performance detection device is designed to overcome the above problems. CONTENT OF THE UTILITY MODEL
[0004] The utility model aims at overcoming the deficiencies in the prior art and providing a fibrobronchoscope optical performance detection device which is simple and reasonable in structure, easy and practical to operate.
[0005] The utility model is realized through the following technical scheme: a fibrobronchoscope optical performance detection device, which comprises a detection table, a detection device, a gear and rack translation table, a reflective test card, and a fibrobronchoscope, wherein the detection device and the gear and rack translation table are both installed on the detection table, the detection device is composed of a lifting displacement table, a digital translation table, an adapter, and a holder, the digital translation table is installed on the lifting displacement table, the adapter is installed on the digital translation table, the holder is installed in the vertical direction of the adapter, and the fibrobronchoscope is clamped on the holder, the fibrobronchoscope is directly opposite to the gear and rack translation table below, and the reflective test card is placed directly below the fibrobronchoscope on the gear and rack translation table.
[0006] As preferred: the lifting displacement table is composed of a lifting displacement base, a placing table and a rotating wheel, wherein a trapezoidal screw rod is internally installed in the lifting displacement base, a rotating wheel is installed above the trapezoidal screw rod, symmetrical grooves are formed on both sides of the lifting displacement base, and the placing table is installed on the grooves and connected with the trapezoidal screw rod in the lifting displacement base through the grooves.
[0007] As preferred: a digital display translation table is placed on the placing table, the digital display translation table is in a convex structure, and a first through hole is formed on the convex part for installing an adapter.
[0008] As preferred: the adapter is in an L-shaped structure, a plurality of second through holes are formed on the L-shaped structure, the second through holes are correspondingly connected and fixed with the first through hole, and a clamping device is connected through the terminal second through hole.
[0009] As preferred: the clamping device is composed of a base, a supporting rod and a fastener, the base is provided with a third hole for being installed on the adapter through a screw, and a V-shaped groove is formed for cooperating with the fastener to fasten the fiber bronchoscope.
[0010] As preferred: a gear and rack translation table is opposite to the fiber bronchoscope, the gear and rack translation table is composed of a base and a sliding block, the base is provided with a dovetail guide rail, displacement is realized through the gear and rack driving of the dovetail guide rail, a scale is matched thereon, and the base is provided with a mounting hole for being installed on a detection table, and the sliding block is provided with a groove for placing and clamping a reflective test card.
[0011] As preferred: the detection table is made of a ferromagnetic stainless steel material, a plurality of threaded through holes are formed on the detection table 1, and the threaded through holes are convenient for installing detection equipment and the gear and rack translation table.
[0012] As preferred: the vernier scale has a minimum reading of 0.1 mm.
[0013] As preferred: the reflective test card is made of a magnetic material, is provided with a direction indicating groove and 24 grooves, and is adsorbed in the groove of the sliding block of the gear and rack translation table.
[0014] As preferred: the 24 grooves are in the following colors from left to right and from top to bottom: emerald green, light green, purple red, deep red, bright red, vermilion, orange yellow, orange red, medium yellow, light yellow, lemon yellow, titanium white, phthalocyanine green, cobalt blue, lake blue, ultramarine, sky blue, phthalocyanine blue, light purple, purple, Payne gray, permanent red, ocher, black.
[0015] The beneficial effects of the utility model are as follows:
[0016] The utility model discloses a kind of optical performance detection devices of fiber bronchoscope, overall simple operation, practical convenient, can be well realized: (1) it can be used for the optical performance test of fiber bronchoscope in medical institution;(2) it can be used for the optical performance comparison evaluation of fiber bronchoscope of different brand, different specification model in medical institution. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is the overall structure schematic diagram of the utility model.
[0018] Figure 2 It is the structure schematic diagram of detection table in the utility model.
[0019] Figure 3 It is the structure schematic diagram of lifting displacement table in the utility model.
[0020] Figure 4 It is the structure schematic diagram of digital display translation table in the utility model.
[0021] Figure 5 It is the structure schematic diagram of adapter in the utility model.
[0022] Figure 6 It is the structure schematic diagram of clamping device in the utility model.
[0023] Figure 7 It is the structure schematic diagram of rack and pinion translation table in the utility model.
[0024] Figure 8 It is the structure schematic diagram of reflection type test card (24 color card) in the utility model. DETAILED DESCRIPTION
[0025] To make those skilled in the art more clearly understand the purpose, technical scheme and advantage of the utility model, the utility model is further described below in conjunction with drawings and examples.
[0026] In the description of the utility model, it needs to be understood that the orientation or position relationship indicated by "upper", "lower", "left", "right", "inner", "outer", "horizontal", "vertical" and the like is based on the orientation or position relationship shown in the drawing, only for the convenience of describing the utility model, and not indicate or imply that the indicated device or element must have a particular orientation, therefore it cannot be understood as the limitation to the utility model.
[0027] The utility model will be described in detail in conjunction with the drawings as follows: Figures 1-2As shown in the fiber bronchoscope optical performance testing device, it includes detection table 1, detection equipment 2, gear rack translation table 3, reflective test card 4, fiber bronchoscope 5, the detection equipment 2 and gear rack translation table 3 are all installed on the detection table 1, the detection equipment 2 is composed of lifting displacement table 21, digital translation table 22, adapter 23, holder 24, the digital translation table 22 is installed on the lifting displacement table 21, the digital translation table 22 is installed with adapter 23, the holder 24 is installed in the vertical direction of adapter 23, the holder is clamped with fiber bronchoscope 5, and the fiber bronchoscope 5 is opposite to the gear rack translation table 3 below, and the reflective test card 4 is placed below the fiber bronchoscope 5 on the gear rack translation table 3.
[0028] As Figure 3 shown, the lifting displacement base 211 is internally provided with a trapezoidal screw rod 214, a rotating wheel 213 is arranged above the trapezoidal screw rod 214, and symmetrical grooves 215 are formed on both sides of the lifting displacement base 211, and a placing table 212 is arranged on the grooves 215 and connected with the trapezoidal screw rod 214 in the lifting displacement base 211.
[0029] As Figure 4 shown, the placing table 212 is provided with a digital translation table 22, and the digital translation table 22 is in a convex structure and is provided with a first through hole 221 for mounting the adapter 23.
[0030] As Figure 5 shown, the adapter 23 is in an L-shaped structure, a plurality of second through holes 231 are formed in the L-shaped structure, the second through holes 231 are correspondingly connected and fixed with the first through hole 221, and the holder 24 is connected through the terminal second through hole.
[0031] As Figure 6 shown, the holder 24 is composed of a base 241, a supporting rod 242 and a fastener 243, the base 241 is provided with a third hole 244 for being mounted on the adapter 23 through a screw, and a V-shaped groove 245 is formed and matched with the fastener 243 for fastening the fiber bronchoscope 5.
[0032] The fiber bronchoscope 5 in the utility model is suitable for observing lung lobe, segment and subsegment bronchial lesions, biopsy sampling, bacteriology and cytology examination, and can be used for photography, demonstration and dynamic recording in cooperation with a TV system, the bronchoscope can be attached with a biopsy sampling structure, can help to find early lesions, can carry out polypus removal and other in-vivo and in-vitro surgical operations, and is a good precision instrument for bronchial and pulmonary disease research and postoperative examination.
[0033] As Figure 7 shown, the fiber bronchoscope 5 is below the gear rack translation table 3, which is composed of a base 31 and a slider 32, the base 31 is provided with a dovetail guide rail 311, and the displacement is realized by the gear rack drive, and a scale is matched thereon, and the base 31 is provided with mounting holes 312 and can be mounted on the detection table 1, and the slider 32 is provided with a groove 321 for placing and clamping the reflective test card 4.
[0034] The three-axis linkage of the gear rack translation table 3, the lifting displacement table 21 and the digital display translation table 22 realizes the up-down, left-right and front-back movement between the fiber bronchoscope 5 and the reflective test card 4, so that the reflective test card 4 is in the middle of the imaging of the fiber bronchoscope 5.
[0035] The detection table 1 is made of a ferromagnetic stainless steel material, a plurality of threaded holes 11 are formed in the detection table 1, and the detection equipment 2 and the gear rack translation table 3 are conveniently installed. The hole distance is 25mm M6 thread, and the detection equipment 2 and the gear rack translation table 3 are conveniently installed. The vernier scale has a minimum reading of 0.1mm.
[0036] As Figure 8 shown, the reflective test card 4 is made of magnetic material, and is provided with a direction indicating groove 41 and 24 grooves 42, and the reflective test card 4 is adsorbed in the groove 321 of the slider 32 of the gear rack translation table 3. The colors of the 24 grooves from left to right and from top to bottom are: emerald green, light green, purple red, deep red, bright red, vermilion, orange yellow, orange red, medium yellow, light yellow, lemon yellow, titanium white, phthalocyanine green, cobalt blue, lake blue, ultramarine, sky blue, phthalocyanine blue, light purple, purple, Payne gray, permanent red, ocher, black.
[0037] The reflective test card of the utility model can be adsorbed in the groove 321 of the slider 32 of the gear rack translation table 3, and can also be a field angle test card, an angle resolution test card, a distortion card and a gray card, and can be used for testing the field angle, the angle resolution, the distortion, the illumination uniformity, the color resolution and the color restoration of the fiber bronchoscope.
[0038] The specific embodiments described in the present application are only illustrative of the principles and effects of the utility model, and are not used to limit the utility model. Any person skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the utility model. Therefore, all equivalent modifications or changes completed by those skilled in the art without departing from the spirit and technical thought disclosed by the utility model should be covered by the claims of the utility model.
Claims
1. A fiber bronchoscope optical performance testing device, comprising a testing platform, a testing device, a rack and pinion translation platform, a reflective test card, and a fiber bronchoscope, characterized in that: The detection equipment and the rack and pinion translation stage are both installed on the detection platform. The detection equipment consists of a lifting platform, a digital display translation stage, an adapter, and a clamp. The digital display translation stage is installed on the lifting platform. The digital display translation stage is installed with an adapter. The clamp is installed in the vertical direction of the adapter. The fiber bronchoscope is clamped on the clamp. The rack and pinion translation stage is directly opposite to the fiber bronchoscope. A reflective test card is placed on the rack and pinion translation stage directly below the fiber bronchoscope.
2. The optical performance testing device for a fiberoptic bronchoscope according to claim 1, characterized in that: The lifting and displacement platform consists of a lifting and displacement base, a placing platform and a rotating wheel, wherein a trapezoidal screw is installed inside the lifting and displacement base, a rotating wheel is installed above the trapezoidal screw, symmetrical grooves are opened on both sides of the lifting and displacement base, and a placing platform is installed on the grooves. The placing platform is connected to the trapezoidal screw inside the lifting and displacement base through the grooves, and is driven to rise and fall by the rotating wheel above.
3. The optical performance testing device for a fiberoptic bronchoscope according to claim 2, characterized in that: A digital display translation stage is placed on the placement platform. The digital display translation stage is a convex structure, and a first through hole is opened at the convex part for installing the adapter.
4. The optical performance testing device for a fiber bronchoscope according to claim 3, characterized in that: The adapter is in an L-shaped structure, with a plurality of second through holes formed on the L-shaped structure. The second through holes are fixedly connected to the first through holes correspondingly, and the clamp is connected through the second through holes at the end.
5. The optical performance testing device for a fiber bronchoscope according to claim 4, characterized in that: The clamp consists of a base, a support rod, and a fastener. The base is provided with a third hole for being mounted on the adapter through a screw, and a V-shaped groove is provided to cooperate with the fastener to fasten the fiber bronchoscope.
6. The optical performance testing device for a fiber bronchoscope according to claim 5, characterized in that: The fiber bronchoscope is directly opposite the gear rack translation stage below, which consists of a base and a slider. A dovetail guide rail is provided on the base, and displacement is achieved by driving the dovetail guide gear rack. A scale is provided on it, and a mounting hole is left on the base for installation on the test bench. The slider has a groove for placing and positioning the reflective test card.
7. The optical performance testing device for a fiber bronchoscope according to claim 6, characterized in that: The testing platform is made of a piece of ferromagnetic stainless steel material. A plurality of threaded through holes are provided on the testing platform 1 to facilitate the installation of testing equipment and the rack and pinion translation platform.
8. The optical performance testing device for a fiber bronchoscope according to claim 6, characterized in that: The minimum reading of the vernier scale is 0.1 mm.
9. The optical performance testing device for a fiber bronchoscope according to claim 6, characterized in that: The reflective test card is made of magnetic material and is provided with a direction indicating groove and 24 grooves. The reflective test card is adsorbed in the groove of the slider of the gear rack translation stage.
10. The optical performance testing device of a fiber bronchoscope according to claim 9, characterized in that: The colors of the 24 grooves from left to right and from top to bottom are: emerald green, light green, purple red, dark red, bright red, vermilion, orange yellow, orange red, medium yellow, light yellow, lemon yellow, titanium white, phthalocyanine green, cobalt blue, lake blue, ultramarine, sky blue, phthalocyanine blue, lavender, purple, Payne's gray, Perfume Red, ochre, and black.