CN210953336U

CN210953336U - Endoscope depth of field test fixture

Info

Publication number: CN210953336U
Application number: CN201922127982.1U
Authority: CN
Inventors: 蔡志权
Original assignee: Zhuhai Seesheen Medical Technology Co ltd
Current assignee: Zhuhai Seesheen Medical Technology Co ltd
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-07-07
Anticipated expiration: 2029-11-29

Abstract

The utility model discloses an endoscope depth of field test fixture, include: a base; the fixing device is fixedly arranged on the base and used for fixing the endoscope probe; the testing device is arranged on the base in a sliding mode and can be far away from or close to the fixing device; the testing device is provided with a depth of field testing board for testing depth of field; according to the utility model discloses an endoscope depth of field test fixture, can be quick, whether accurate measurement endoscope depth of field performance is qualified.

Description

Endoscope depth of field test fixture

Technical Field

The utility model relates to an endoscope production field, in particular to endoscope depth of field test fixture.

Background

The endoscopic imaging system includes a general medical endoscope system and an industrial endoscope system. The endoscope always encounters the problem that the depth of field cannot be seen clearly in the production process, and even if the peeping head of the optical fiber endoscope is free from errors in the production process, whether the peeping head is affected by other links is difficult to guarantee, so that after the endoscope is assembled, the depth of field needs to be tested to ensure that the depth of field performance is qualified.

In order to unify the depth of field performance standard of the endoscope, in the related industry standard of the number YY1028-2008, the name of the endoscope on the fiber digestive tract, 5.3.4 strips stipulate the depth of field test standard of the endoscope, but in the actual production process, the endoscope is long in size and difficult to fix, and great inconvenience is caused to the actual measurement work.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides an endoscope depth of field test fixture, can be fast according to relevant industry standard, whether accurate test endoscope's depth of field performance accords with the standard.

According to an aspect of the utility model, a endoscope depth of field test fixture is provided, include: a base; the fixing device is fixedly arranged on the base and used for fixing the endoscope probe; the testing device is arranged on the base in a sliding mode and can be far away from or close to the fixing device; the testing device is provided with a depth of field testing board for testing depth of field.

Further, a sliding rail is arranged on the base, and the testing device can slide along the extending direction of the sliding rail.

Furthermore, a graduated scale is arranged on the base, and a vernier is arranged on the testing device and points to the graduated scale.

Furthermore, a gear is hinged to the base, a rack is arranged on the testing device, and the gear is meshed with the rack.

Further, the gear is connected with a hand wheel.

Further, fixing device includes support, fixed block and movable block, and the support setting is on the base, fixed block and support fixed connection, and the movable block can slide along the support, and the fixed block can be together centre gripping endoscope with the movable block and peep the head.

Furthermore, the support is provided with an adjusting column, the adjusting column is connected with the movable block, and the adjusting column is in threaded fit with the support.

Further, the endoscope depth of field test fixture further comprises a handle supporting seat, the handle supporting seat is located on one side of the base, and the handle supporting seat is used for supporting the endoscope handle.

Further, the handle support base includes at least two receiving slots.

Use the utility model discloses an endoscope degree of depth test fixture, when the test, can fix the peeping head of endoscope on adding the holding device earlier, insert display device with the endoscope, then adjust the distance between testing arrangement and the fixing device through sliding test device, observe the degree of depth at the specified distance department of relevant standard regulation and survey the imaging definition of surveying board in the endoscope to this judges whether the degree of depth performance of endoscope meets the requirements, and whole test procedure is quick, accurate.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is an axial view of the endoscope depth of field testing tool in an embodiment of the present invention without a handle support seat;

fig. 2 is an axial view of the endoscope depth of field testing tool according to the embodiment of the present invention, with another view angle of the handle support seat omitted;

fig. 3 is a schematic view of the endoscope depth of field testing tool according to the embodiment of the present invention.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1-3, an endoscope depth of field testing tool comprises: a base 100; a fixing device 200 fixedly arranged on the base 100 and used for fixing the endoscope head; the testing device 300 is arranged on the base 100 in a sliding mode and can move away from or close to the fixing device 200; the test apparatus 300 is provided with a depth test board 310 for testing depth of field.

Use the utility model discloses an endoscope degree of depth test fixture, when the test, can fix the peeping head of endoscope on adding the holding device earlier, insert display device with the endoscope, then adjust the distance between testing arrangement 300 and the fixing device 200 through sliding test device 300, observe the definition of formation of image of degree of depth test board 310 in the endoscope at the appointed distance department of relevant standard regulation to this judges whether the degree of depth performance of endoscope meets the requirements, whole test procedure is quick, it is accurate.

The endoscope head can be fixed on the fixing device 200 in various ways, for example, a spring clip is arranged on the fixing device 200, and the endoscope head is clamped by the spring clip; alternatively, a pair of magnets that attract each other may be provided on the fixing device 200, and the scope head or the like may be held by the magnets.

In this embodiment, the depth of field test board 310 is provided in accordance with the related industry standard entitled "gastroenterology over fiber" under the designation YY1028-2008, and has lines printed on its surface with a width of 1.2 mm.

In order to ensure that the testing device 300 can slide smoothly and conveniently adjust the distance between the depth-of-field testing board 310 and the probe, a sliding rail 110 may be disposed on the base 100, and the testing device 300 can slide along the extending direction of the sliding rail 110.

As shown in fig. 1-2, in order to visually observe the distance between the depth of field test board 310 and the probe during testing, a graduated scale 120 may be disposed on the base 100, and a cursor 330 may be disposed on the testing device 300, the cursor 330 points to the scale on the graduated scale 120, and during testing, the distance between the depth of field test board 310 and the probe may be obtained by observing the corresponding position of the cursor 330 on the graduated scale 120.

In order to prevent the distance of a single adjustment from being too large when the testing device 300 is manually dialed, and thus the precise adjustment of the distance is affected, a gear 420 may be hinged to the base 100, and a rack 430 engaged with the gear 420 may be disposed on the testing device 300, so that the position of the testing device 300 may be adjusted by adjusting the rotational position of the gear 420.

Further, in order to facilitate the user to rotate the gear 420 and adjust the position of the testing device 300, a handwheel 410 connected to the gear 420 may be provided, and the position of the testing device 300 may be adjusted by shifting the handwheel 410.

As shown in fig. 1 and 2, in order to better fix the endoscope probe, the fixing device 200 includes a bracket 240, a fixed block 210 and a movable block 220, the bracket 240 is disposed on the base 100, the fixed block 210 is fixedly connected with the bracket 240, the movable block 220 can slide along the bracket 240, and the fixed block 210 and the movable block 220 can clamp the endoscope probe together; when the test is finished and the speculum needs to be taken down, the speculum can be taken out only by separating the movable block 220 from the fixed block 210,

in order to conveniently and quickly take down the breach after the test is finished under the condition that the movable block 220 and the fixed block 210 can firmly clamp the speculum, an adjusting column 230 is arranged on the bracket 240, the adjusting column 230 is connected with the movable block 220, and the adjusting column 230 is in threaded fit with the bracket 240; due to the reverse self-locking performance of the threads, when the adjusting column 230 is screwed to the movable block 220 and the fixed block 210 to tightly press the speculum head, the movable block 220 cannot be loosened due to the threaded fit, and the test is affected.

As shown in fig. 3, in order to fix the endoscope handle while fixing the probe, and facilitate the test, the endoscope depth of field test fixture further includes a handle support seat 500, the handle support seat 500 is located on one side of the base 100, and the handle support seat 500 is used for supporting the endoscope handle.

Further, at least two receiving grooves 510 may be provided on the handle support base 500.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the gist of the present invention within the knowledge range of those skilled in the art.

Claims

1. The utility model provides an endoscope depth of field test fixture which characterized in that includes:

a base (100);

the fixing device (200) is fixedly arranged on the base (100) and is used for fixing the endoscope probe;

the testing device (300) is arranged on the base (100) in a sliding mode and can move away from or close to the fixing device (200);

the testing device (300) is provided with a depth of field testing board (310) for testing depth of field.

2. The endoscope depth of field test tool of claim 1, wherein a slide rail (110) is arranged on the base (100), and the test device (300) can slide along the extension direction of the slide rail (110).

3. The endoscope depth of field testing tool of claim 2, wherein a graduated scale (120) is arranged on the base (100), a cursor (330) is arranged on the testing device (300), and the cursor (330) points to the graduated scale (120).

4. The endoscope depth of field testing tool of claim 2, wherein a gear (420) is hinged to the base (100), a rack (430) is arranged on the testing device (300), and the gear (420) is meshed with the rack (430).

5. The endoscope depth of field testing tool of claim 4, wherein a handwheel (410) is connected to the gear (420).

6. The endoscope depth of field test tool of claim 1, wherein the fixing device (200) comprises a bracket (240), a fixed block (210) and a movable block (220), the bracket (240) is arranged on the base (100), the fixed block (210) is fixedly connected with the bracket (240), the movable block (220) can slide along the bracket (240), and the fixed block (210) and the movable block (220) can clamp the endoscope probe together.

7. The endoscope depth of field test tool of claim 6, wherein an adjusting column (230) is arranged on the support (240), the adjusting column (230) is connected with the movable block (220), and the adjusting column (230) is in threaded fit with the support (240).

8. The endoscope depth of field test fixture of claim 1, further comprising a handle support base (500), wherein the handle support base (500) is located on one side of the base (100), and the handle support base (500) is used for supporting an endoscope handle.

9. The endoscope depth of field testing tool of claim 8, wherein the handle support base (500) comprises at least two receiving slots (510).