CN111721519A - Endoscope insertion portion testing device - Google Patents
Endoscope insertion portion testing device Download PDFInfo
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- CN111721519A CN111721519A CN202010600589.4A CN202010600589A CN111721519A CN 111721519 A CN111721519 A CN 111721519A CN 202010600589 A CN202010600589 A CN 202010600589A CN 111721519 A CN111721519 A CN 111721519A
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- 238000012360 testing method Methods 0.000 title claims abstract description 71
- 238000003780 insertion Methods 0.000 title claims abstract description 50
- 230000037431 insertion Effects 0.000 title claims abstract description 50
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 238000001514 detection method Methods 0.000 claims description 26
- 238000012545 processing Methods 0.000 claims description 19
- 230000005540 biological transmission Effects 0.000 claims description 18
- 238000005452 bending Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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Abstract
The utility model provides an endoscope insertion portion testing arrangement, includes first clamping part, second clamping part, first pivot, second pivot, first motor, second motor, side direction drive mechanism and pivot supporting seat, first clamping part links to each other with first pivot, the second clamping part links to each other with second pivot one end, first pivot is hollow pivot, first pivot reaches the coaxial setting of second pivot, first pivot cover is located outside the second pivot, first pivot set up in on the pivot supporting seat, first motor set up in first pivot reaches one side of second pivot, and through side direction drive mechanism with first pivot links to each other, drives first pivot is rotated, the second pivot other end with the second motor links to each other. The endoscope insertion part testing device can automatically realize that the endoscope insertion part rotates in multiple directions simultaneously without mutual interference, thereby reducing the working intensity and the cost.
Description
Technical Field
The invention relates to the field of medical tool testing devices, in particular to an endoscope insertion part testing device.
Background
Endoscopes, which are a common medical instrument, have been widely used in medical diagnosis, and the bending angle of an insertion portion of the endoscope is a very important performance parameter for the endoscope, which relates to the precise control of the endoscope in the body and whether a complete medical image can be obtained. Therefore, in the production process of the endoscope, the bending angle and the service life of the insertion portion of the endoscope need to be tested. In the prior art, the endoscope insertion part is generally operated and tested manually, but the workload of manual testing is large, and the bending angles at each time are inconsistent, so that the testing accuracy is influenced.
Disclosure of Invention
The invention aims to provide an endoscope inserting part testing device, which can automatically realize the simultaneous rotation of an endoscope inserting part in multiple directions without mutual interference, reduce the working strength and reduce the cost.
The invention provides an endoscope insertion part testing device which comprises a first clamping part, a second clamping part, a first rotating shaft, a second rotating shaft, a first motor, a second motor, a lateral transmission mechanism and a rotating shaft supporting seat, wherein the first clamping part is connected with the first rotating shaft, the second clamping part is connected with the second rotating shaft, the first rotating shaft is a hollow rotating shaft, the first rotating shaft and the second rotating shaft are coaxially arranged, the first rotating shaft is sleeved outside the second rotating shaft and arranged on the rotating shaft supporting seat, the first motor is arranged on one side of the first rotating shaft and one side of the second rotating shaft and connected with the first rotating shaft through the lateral transmission mechanism to drive the first rotating shaft to rotate, and the other end of the second rotating shaft is connected with the second motor.
Furthermore, an accommodating space is formed inside the first clamping portion, the second clamping portion is arranged in the accommodating space of the first clamping portion, and a plurality of clamping teeth are formed on one sides of the first clamping portion and the second clamping portion, which are far away from the first rotating shaft and the second rotating shaft.
Further, the lateral transmission mechanism comprises a first rotating portion, a second rotating portion and a transmission belt, the first rotating portion is connected with the first motor, the second rotating portion is arranged on the first rotating shaft, and the transmission belt is connected between the first rotating portion and the second rotating portion.
Further, the lateral transmission mechanism comprises a first gear and a second gear, the first gear is arranged on the first motor, the second gear is arranged on the first rotating shaft, and the first gear is meshed with the second gear.
Further, the endoscope insertion portion testing device further comprises a shell, the shell comprises a bottom plate and a side plate, the first motor and the second motor are fixed on the bottom plate, the rotating shaft supporting seat is fixed on the side plate, and the first rotating shaft and the second rotating shaft penetrate through the side plate to be connected with the first clamping portion and the second clamping portion respectively.
Further, a coupler is further arranged between the second rotating shaft and the second motor.
Further, the endoscope insertion portion testing device further includes a processing unit and a rotation testing device, the rotation testing device measures a rotation angle of the first rotating shaft and the second rotating shaft and transmits angle information to the processing unit, and the processing unit controls the first motor and the second motor according to the angle information transmitted by the rotation testing device.
Furthermore, the first rotating shaft and the second rotating shaft are respectively provided with the rotation testing device, each rotation testing device comprises a detection disc and a photoelectric sensor, the first rotating shaft and the second rotating shaft are respectively connected with one detection disc, the detection disc rotates along with the first rotating shaft and the second rotating shaft, the photoelectric sensor comprises a light source emitting module and a light source receiving module, the detection disc is arranged between the light source emitting module and the light source receiving module, a hollow part is formed on the detection disc, when the hollow part rotates to a position between the light source emitting module and the light source receiving module, the light emitted by the light source emitting module passes through the hollow part to reach the light source receiving module, and the processing unit judges the rotation conditions of the first rotating shaft and the second rotating shaft according to the signal of the light source receiving module.
Furthermore, the first rotating shaft and the second rotating shaft are provided with one rotation testing device, each rotation testing device comprises a detection disc and a proximity sensor, the detection disc is provided with a signal trigger, and the processing unit judges the rotation condition of the first rotating shaft and the second rotating shaft by detecting the position of the signal trigger on the detection disc through the proximity sensor.
Furthermore, at least one part of the second rotating shaft protrudes out of the first rotating shaft, and the detection discs on the first rotating shaft and the second rotating shaft are respectively fixed on the corresponding first rotating shaft and the second rotating shaft through locking nuts.
In summary, the endoscope insertion portion is connected to the first clamping portion and the second clamping portion through the first rotating shaft and the second rotating shaft which are coaxially arranged, the first clamping portion and the second clamping portion can be connected to a left-right rotating hand wheel and an up-down rotating hand wheel of the endoscope respectively, power generated by the first motor is transmitted to the first rotating shaft through the lateral transmission mechanism, and then the first clamping portion drives the left-right rotating hand wheel, so that the endoscope insertion portion rotates left and right. The power generated by the second motor directly drives the endoscope to rotate the hand wheel up and down through the second rotating shaft and the second clamping part, so that the insertion part of the endoscope completes up-and-down rotation. Therefore, the endoscope insertion part testing device provided by the invention can simultaneously control the left and right rotating hand wheel and the up and down rotating hand wheel of the endoscope, so that the endoscope insertion part can automatically rotate in multiple directions simultaneously without mutual interference, the working strength is reduced, and the cost is reduced.
Furthermore, by arranging the rotation testing device, the included angle between the hollow part on the detection disc and the initial position can be adjusted in advance to set the rotation angles of the first rotating shaft and the second rotating shaft, when the first rotating shaft and the second rotating shaft rotate by a preset angle, the hollow part is rotated between the photoelectric sensors, and the processing unit controls the motor to stop or rotate reversely according to a signal transmitted by the rotation testing device so as to test the specified bending angle for specified times. That is, the rotation angle and the number of times of rotation can be set by providing the rotation testing device, and the test of the endoscope insertion portion can be performed efficiently and uninterruptedly.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the following preferred embodiments are described in detail with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic axial side structure diagram of an endoscope insertion portion testing device according to an embodiment of the present invention.
Fig. 2 is a schematic top view of the endoscope insertion portion testing device of fig. 1.
Fig. 3 is a schematic sectional view in the direction III-III in fig. 2.
FIG. 4 is a schematic axial view of the endoscope insertion portion testing device with the base removed.
FIG. 5 is a side view of the endoscope insertion portion testing device with the base, first motor and second motor removed.
Fig. 6 is a schematic structural view of the detection disc of fig. 3.
Fig. 7 is a system block diagram of the endoscope insertion portion testing device.
Detailed Description
To further explain the technical means and effects of the present invention adopted to achieve the predetermined objects, the present invention will be described in detail below with reference to the accompanying drawings and preferred embodiments.
The invention aims to provide an endoscope inserting part testing device, which can automatically realize the simultaneous rotation of an endoscope inserting part in multiple directions without mutual interference, reduce the working strength and reduce the cost.
Referring to fig. 1 to 4, the endoscope insertion portion testing device provided by the present invention includes a first clamping portion 11, a second clamping portion 21, a first rotating shaft 12, a second rotating shaft 22, a first motor 13, a second motor 23, a lateral transmission mechanism 14 and a rotating shaft support 15, wherein the first clamping portion 11 is connected to the first rotating shaft 12, and the second clamping portion 21 is connected to the second rotating shaft 22. The first rotating shaft 12 is a hollow shaft, the first rotating shaft 12 and the second rotating shaft 22 are coaxially disposed, the first rotating shaft 12 is sleeved outside the second rotating shaft 22, and the first rotating shaft 12 is disposed on the rotating shaft support seat 15. The first motor 13 is disposed at one side of the first rotating shaft 12 and the second rotating shaft 22, and is connected to the first rotating shaft 12 through the lateral transmission mechanism 14, so as to drive the first rotating shaft 12 to rotate, and the other end of the second rotating shaft 22 is connected to the second motor 23.
In the present embodiment, the first rotating shaft 12 and the second rotating shaft 22, which are coaxially disposed, are respectively connected to the first clamping portion 11 and the second clamping portion 21, so that the first clamping portion 11 and the second clamping portion 21 can be respectively connected to a left-right rotating hand wheel (not shown) and a top-bottom rotating hand wheel (not shown) of the endoscope. The power generated by the first motor 13 is transmitted to the first rotating shaft 12 through the lateral transmission mechanism 14, and then the first clamping part 11 drives the endoscope to rotate the hand wheel left and right, so that the endoscope insertion part completes left and right rotation. The power generated by the second motor 23 directly passes through the second rotating shaft 22 and the second clamping portion 21 to drive the endoscope to rotate up and down the hand wheel, so that the endoscope insertion portion completes up-and-down rotation. Therefore, the endoscope insertion part testing device provided by the invention can simultaneously control the left and right rotating hand wheel and the up and down rotating hand wheel of the endoscope, so that the insertion part can automatically rotate in multiple directions simultaneously without mutual interference, the working strength is reduced, and the cost is reduced.
Referring to fig. 1 and 3, in the present embodiment, an accommodating space is formed inside the first clamping portion 11, the second clamping portion 21 is disposed in the accommodating space of the first clamping portion 11, and a plurality of latch teeth 111 and 211 are formed on the sides of the first clamping portion 11 and the second clamping portion 21 away from the first rotating shaft 12 and the second rotating shaft 22, so as to be latched with a left-right rotating hand wheel and a top-bottom rotating hand wheel of the endoscope and drive the two hand wheels to rotate.
Referring to fig. 2 to 3, more specifically, one end of the first clamping portion 11 close to the first rotating shaft 12 is fastened to the outer circumference of the first rotating shaft 12 by a bolt 16. A fixing hole is formed at one end of the second rotating shaft 22 far from the second motor 23, and one end of the second clamping portion 21 near the second rotating shaft 22 is engaged with the fixing hole of the second rotating shaft 22 through a snap ring 24.
Referring to fig. 1, the lateral transmission mechanism 14 includes a first rotating portion 141, a second rotating portion 142 and a transmission belt 143, the first rotating portion 141 is disposed on the first motor 13, the second rotating portion 142 is disposed on the first rotating shaft 12, and the transmission belt 143 is connected between the first rotating portion 141 and the second rotating portion 142. By providing the lateral transmission mechanism 14, the power of the first motor 13 and the power of the second motor 23 can be integrated with the first rotating shaft 12 and the second rotating shaft 22 which are coaxially provided, so that the left and right rotating wheels and the up and down rotating wheels can be controlled conveniently.
In the present embodiment, power transmission is achieved by the belt 143. It is understood that, in other embodiments, the lateral transmission mechanism 14 may also include a first gear and a second gear, which are respectively disposed on the first motor 13 and the first rotating shaft 12, and the power is transmitted laterally through the engagement of the gears.
Further, as shown in fig. 1 to 3, the endoscope insertion portion testing device provided in the present embodiment further includes a housing 30, and the housing 30 includes a bottom plate 31 and a side plate 32. The first motor 13 and the second motor 23 are fixed on the bottom plate 31, the rotating shaft support 15 is fixed on the side plate 32 to support the first rotating shaft 12, and the first rotating shaft 12 and the second rotating shaft 22 pass through the side plate 32 to be connected with the first clamping portion 11 and the second clamping portion 21, respectively.
Further, a coupling 25 may be disposed between the second rotating shaft 22 and the second motor 23 to protect the second motor 23 and the second rotating shaft 22.
Referring to fig. 3 to 7, in the present embodiment, the endoscope insertion portion testing device further includes a rotation testing device 40 and a processing unit 50. The rotation testing device 40 measures the rotation angle of the first rotating shaft 12 and the second rotating shaft 22, and transmits the angle information to the processing unit 50, and the processing unit 50 controls the first motor 13 and the second motor 23 according to the angle information transmitted by the rotation testing device 40. So as to automatically realize the bending measurement of the insertion part under a more accurate rotation angle.
In the present embodiment, a rotation testing device 40 is disposed on each of the first rotating shaft 12 and the second rotating shaft 22, and each rotation testing device 40 includes a detecting plate 41 and a photoelectric sensor 42. The first rotating shaft 12 and the second rotating shaft 22 are respectively fixedly connected to a detecting plate 41, and the detecting plate 41 rotates along with the first rotating shaft 12 and the second rotating shaft 22. The photoelectric sensor 42 includes a light source emitting module and a light source receiving module, and the detection plate 41 is disposed between the light source emitting module and the light source receiving module. A hollow portion 411 is formed on the detection plate 41, and when the hollow portion 411 rotates to a position between the light source emitting module and the light source receiving module, the light emitted by the light source emitting module can pass through the hollow portion 411 to reach the light source receiving module. The light source receiving module sends a signal to the processing unit 50 according to whether the light is received, and the processing unit 50 can determine the rotation condition of the first rotating shaft 12 and the second rotating shaft 22 by determining the signal of the light source receiving module. In this embodiment, the hollow portion 411 is a through hole, and in other embodiments, the hollow portion may also be a strip-shaped hole, a notch, or the like.
When the endoscope insertion portion testing device provided in this embodiment is used to perform measurement, the included angle between the hollow portion 411 of the detection plate 41 and the initial position thereof may be adjusted in advance to set the rotation angles of the first rotating shaft 12 and the second rotating shaft 22. When the first rotating shaft 12 and the second rotating shaft 22 rotate by a predetermined angle, the hollow portion 411 moves between the photo sensors 42, and the processing unit 50 controls the motor to stop or reverse according to the signal transmitted by the rotation testing device 40, so as to perform the test of the predetermined bending angle for the predetermined number of times. That is, by providing the rotation testing device 40, the rotation angle and the number of times of rotation can be set, and the test of the endoscope insertion portion can be performed efficiently and uninterruptedly.
Further, in this embodiment, at least a portion of the second rotating shaft 22 protrudes from the first rotating shaft 12, and the detecting plates 41 on the first rotating shaft 12 and the second rotating shaft 22 are respectively fixed on the corresponding first rotating shaft 12 and the second rotating shaft 22 through the locking nuts 43.
It should be understood that, in other embodiments, the rotation testing device 40 may also be a detection plate 41 and a proximity sensor, the detection plate 41 is provided with a signal trigger, and the processing unit 50 detects the position of the signal trigger on the detection plate 41 through the proximity sensor to determine the rotation of the first rotating shaft 12 and the second rotating shaft 22.
In summary, the first rotating shaft 12 and the second rotating shaft 22 are coaxially connected to the first clamping portion 11 and the second clamping portion 21, respectively, so that the first clamping portion 11 and the second clamping portion 21 can be connected to a left-right rotating hand wheel (not shown) and a top-bottom rotating hand wheel (not shown) of the endoscope, respectively. The power generated by the first motor 13 is transmitted to the first rotating shaft 12 through the lateral transmission mechanism 14, and then the first clamping part 11 drives the endoscope to rotate the hand wheel left and right, so that the endoscope insertion part completes left and right rotation. The power generated by the second motor 23 directly passes through the second rotating shaft 22 and the second clamping portion 21 to drive the endoscope to rotate up and down the hand wheel, so that the endoscope insertion portion completes up-and-down rotation. Therefore, the endoscope insertion part testing device provided by the invention can simultaneously control the left and right rotating hand wheel and the up and down rotating hand wheel of the endoscope, so that the endoscope insertion part can automatically rotate in multiple directions simultaneously without mutual interference, the working strength is reduced, and the cost is reduced.
Further, by setting the rotation testing device 40, an included angle between the hollow portion 411 of the detecting plate 41 and the initial position can be adjusted in advance to set the rotation angles of the first rotating shaft 12 and the second rotating shaft 22. When the first rotating shaft 12 and the second rotating shaft 22 rotate by a predetermined angle, the hollow portion 411 moves between the photo sensors 42, and the processing unit 50 controls the motor to stop or reverse according to the signal transmitted by the rotation testing device 40, so as to perform the test of the predetermined bending angle for the predetermined number of times. That is, by providing the rotation testing device 40, the rotation angle and the number of times of rotation can be set, and the test of the endoscope insertion portion can be performed efficiently and uninterruptedly.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. An endoscope insertion portion testing device characterized in that: including first clamping part, second clamping part, first pivot, second pivot, first motor, second motor, side direction drive mechanism and pivot supporting seat, first clamping part links to each other with first pivot, the second clamping part links to each other with second pivot one end, first pivot is hollow pivot, first pivot reaches the coaxial setting of second pivot, first pivot cover is located outside the second pivot, first pivot set up in on the pivot supporting seat, first motor set up in first pivot reaches one side of second pivot, and pass through side direction drive mechanism with first pivot links to each other, drives first pivot rotates, the second pivot other end with the second motor links to each other.
2. The endoscope insertion portion testing device according to claim 1, characterized in that: the first clamping part is internally provided with an accommodating space, the second clamping part is arranged in the accommodating space of the first clamping part, and a plurality of clamping teeth are formed on one side of the first clamping part and one side of the second clamping part, which are far away from the first rotating shaft and the second rotating shaft.
3. The endoscope insertion portion testing device according to claim 1, characterized in that: lateral direction drive mechanism includes first rotation portion, second rotation portion and drive belt, first rotation portion with first motor links to each other, the second rotation portion set up in on the first pivot, the drive belt connect in first rotation portion with between the second rotation portion.
4. The endoscope insertion portion testing device according to claim 1, characterized in that: the lateral transmission mechanism comprises a first gear and a second gear, the first gear is arranged on the first motor, the second gear is arranged on the first rotating shaft, and the first gear is meshed with the second gear.
5. The endoscope insertion portion testing device according to claim 1, characterized in that: the endoscope insertion part testing device further comprises a shell, the shell comprises a bottom plate and a side plate, the first motor and the second motor are fixed on the bottom plate, the rotating shaft supporting seat is fixed on the side plate, and the first rotating shaft and the second rotating shaft penetrate through the side plate to be connected with the first clamping part and the second clamping part respectively.
6. The endoscope insertion portion testing device according to claim 1, characterized in that: and a coupler is also arranged between the second rotating shaft and the second motor.
7. The endoscope insertion portion testing device according to claim 1, characterized in that: the endoscope insertion portion testing device further comprises a processing unit and a rotation testing device, the rotation testing device measures the rotation angle of the first rotating shaft and the second rotating shaft and transmits the angle information to the processing unit, and the processing unit controls the first motor and the second motor according to the angle information transmitted by the rotation testing device.
8. The endoscope insertion portion testing device according to claim 7, characterized in that: the first rotating shaft and the second rotating shaft are respectively provided with the rotation testing device, each rotation testing device comprises a detection disc and a photoelectric sensor, the first rotating shaft and the second rotating shaft are respectively connected with one detection disc, the detection disc rotates along with the first rotating shaft and the second rotating shaft, the photoelectric sensor comprises a light source emitting module and a light source receiving module, the detection disc is arranged between the light source emitting module and the light source receiving module, a hollow part is formed on the detection disc, when the hollow part rotates to a position between the light source emitting module and the light source receiving module, the light emitted by the light source emitting module passes through the hollow part to reach the light source receiving module, and the processing unit judges the rotation conditions of the first rotating shaft and the second rotating shaft according to the signal of the light source receiving module.
9. The endoscope insertion portion testing device according to claim 7, characterized in that: the first rotating shaft and the second rotating shaft are both provided with one rotation testing device and each rotation testing device comprises a detection disc and a proximity sensor, a signal trigger is arranged on the detection disc, and the processing unit detects the position of the signal trigger on the detection disc through the proximity sensor and judges the rotation condition of the first rotating shaft and the second rotating shaft.
10. The endoscope insertion portion testing device according to claim 8 or 9, characterized in that: at least one part of the second rotating shaft protrudes out of the first rotating shaft, and the detection discs on the first rotating shaft and the second rotating shaft are fixed on the corresponding first rotating shaft and the second rotating shaft respectively through locking nuts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010600589.4A CN111721519A (en) | 2020-06-28 | 2020-06-28 | Endoscope insertion portion testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010600589.4A CN111721519A (en) | 2020-06-28 | 2020-06-28 | Endoscope insertion portion testing device |
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| Publication Number | Publication Date |
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| CN111721519A true CN111721519A (en) | 2020-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010600589.4A Pending CN111721519A (en) | 2020-06-28 | 2020-06-28 | Endoscope insertion portion testing device |
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| CN (1) | CN111721519A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114577632A (en) * | 2022-05-05 | 2022-06-03 | 珠海视新医用科技有限公司 | Endoscope insertion tube bending fatigue testing device and method |
| CN115165633A (en) * | 2022-09-05 | 2022-10-11 | 之江实验室 | Endoscope bending fatigue testing system and method |
| CN115183992A (en) * | 2022-09-09 | 2022-10-14 | 之江实验室 | System and method for testing bending fatigue aging of endoscope |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114577632A (en) * | 2022-05-05 | 2022-06-03 | 珠海视新医用科技有限公司 | Endoscope insertion tube bending fatigue testing device and method |
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| CN115183992A (en) * | 2022-09-09 | 2022-10-14 | 之江实验室 | System and method for testing bending fatigue aging of endoscope |
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