Minimally invasive channel endoscope adjusting support

Abstract

The utility model relates to the technical field of endoscopes, and discloses a minimally invasive channel endoscope adjusting support which comprises a first fastening part and a second fastening part. Wherein the first fastening part is used for fastening the channel, the second fastening part is located above the first fastening part and can move up and down relative to the first fastening part, and the second fastening part is used for fastening the endoscope. The first fastening part and the second fastening part are matched with each other, under the condition that the length of the endoscope tube and the length of the channel are kept unchanged, when the second fastening part is adjusted to the lowest position, the objective lens is located at the deeper position below the lower opening level of the channel at the moment, and the deep structure in the spinal canal can be clearly shot; when the second fastening part is adjusted to the highest position, the objective lens is located at the position farther than the lower opening level of the channel, and the opportunity that the objective lens is polluted can be effectively reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to endoscope technical field, specifically, a kind of minimally invasive channel endoscope adjusting support. BACKGROUND

[0002] Minimally invasive spinal channel (hereinafter referred to as channel) is used in cooperation with endoscope, can reduce surgical trauma, and can provide endoscope view for surgery, and it has important significance to improve surgical safety and surgical efficiency.During specific operation, endoscope usually needs to cooperate with adjusting support to use.

[0003] Please refer to Figure 1 And Figure 2 In prior art, endoscope 3 includes mirror body 31, fixed column 32, light beam interface 33, eyepiece interface 34, mirror tube 35, objective lens 36 at the end of mirror tube 35;Adjusting support includes tight ring assembly 301 and fastening bolt a 302, adjusting sleeve 303 and fastening bolt b 304, adjusting sleeve 303 is matched with fixed column 32, tight ring assembly 301 fastens channel 101, and the relative position between adjusting sleeve 303 and fixed column 32 is adjusted to adjust the field of view of endoscope.

[0004] The adjusting support of existing product has adjustment limit between adjusting sleeve 303 and fixed column 32, even if adjusting to the deepest (lowest) position, the distance between objective lens 36 and nerve in spinal canal or intervertebral disc structure is still far, and clear view of deep structure cannot be provided;Adjusting to the highest position, the distance between objective lens and vertebral plate is also insufficient to avoid blood or smoke pollution caused by operation;The endoscope mirror rod of most products is not protected, and is exposed in channel, which is easy to be damaged by tool collision;Although protective sleeve is added in improved product, because the distance between objective lens and deep structure is far, it still does not have effective and continuous water flushing function, and also cannot improve the clear image of deep structure. INVENTION CONTENTS

[0005] The utility model aims at providing a kind of minimally invasive channel endoscope adjusting support to solve the above technical problems.

[0006] To achieve the above purpose, the utility model provides a kind of minimally invasive channel endoscope adjusting support, comprising:

[0007] First fastening part, for fastening the channel;

[0008] Second fastening part, the second fastening part is located above the first fastening part, and can be moved up and down relative to the first fastening part, and the second fastening part is used to fasten the endoscope;

[0009] The first fastening part comprises a first fastening seat, a clamping component arranged on one side of the first fastening seat and a guide column arranged on the top of the first fastening seat, the clamping component is used for clamping the channel, and the second fastening part can move up and down along the guide column.

[0010] The second fastening part comprises a second fastening seat, a sliding block arranged on the side of the second fastening seat, a bushing arranged on the second fastening seat, and a second fastener arranged on the side of the second fastening seat, the second fastening seat is arranged in parallel with the first fastening seat, the sliding block is sleeved on the outside of the guide column and is fixed through a third fastener, and the second fastener passes through the side of the second fastening seat and extends into the bushing.

[0011] Preferably, the clamping component comprises an elastic ring, and the elastic ring is fastened through a first fastener so as to clamp the channel.

[0012] Preferably, a through hole matched with the shape of the guide column is arranged on the sliding block, and a locking hole is arranged on the side of the sliding block, and the third fastener passes through the locking hole so as to fasten the sliding block.

[0013] Preferably, the guide column is a pentagon.

[0014] Preferably, the second fastening part further comprises a sleeve, the top end of the sleeve is connected with the side of the second fastening seat, and the outside wall of the sleeve is tangent to the inside wall of the channel.

[0015] Preferably, the second fastening part further comprises a water inlet pipeline arranged on the side of the second fastening seat, and the water inlet pipeline is communicated with the sleeve.

[0016] Preferably, a water channel is arranged in the second fastening seat, a water inlet is arranged on the top side of the sleeve, and the water inlet pipeline, the water channel and the water inlet are communicated in sequence.

[0017] Preferably, a sealing ring is arranged on the top end of the sleeve.

[0018] The first fastening part and the second fastening part are matched with each other, the length of the mirror tube and the length of the channel are kept unchanged, when the second fastening part is adjusted to the lowest position, the objective lens is located at a position deeper than the lower opening of the channel, and the deep structure in the spinal canal can be clearly photographed, when the second fastening part is adjusted to the highest position, the objective lens is located at a position farther than the lower opening of the channel, and the opportunity of pollution of the objective lens can be effectively reduced.

[0019] Other features and advantages of the present application will be described in detail in the following specific embodiment part. BRIEF DESCRIPTION OF DRAWINGS

[0020] The accompanying drawings are included to provide a further understanding of the present application, and are incorporated in and constitute a part of this specification, illustrate embodiments of the present application and serve to explain the principles of the present application, and should not be taken as limiting of the present application. In the drawings:

[0021] Figure 1 A structure schematic diagram of an endoscope in the prior art is shown;

[0022] Figure 2 An assembly schematic diagram of an endoscope and an adjusting support in the prior art is shown

[0023] Figure 3 A structure schematic diagram of a minimally invasive channel endoscope adjusting support of an embodiment of the present application is shown;

[0024] Figure 4 An adjusting support and endoscope installation structure schematic diagram of an embodiment of the present application is shown;

[0025] Figure 5 A first fastening part structure schematic diagram of an embodiment of the present application is shown;

[0026] Figure 6 A second fastening part structure schematic diagram of an embodiment of the present application is shown;

[0027] Figure 7 A sleeve structure schematic diagram of an embodiment of the present application is shown.

[0028] Explanation of reference signs:

[0029] 1 first fastening part, 11 first fastening seat, 12 clamping part, 121 clamping ring, 122 first fastening piece, 13 guide column, 101 channel;

[0030] 2 second fastening part, 21 second fastening seat, 211 water channel, 22 sliding block, 221 locking hole, 23 insertion hole, 24 second fastening piece, 25 third fastening piece, 26 sleeve, 261 water inlet, 27 water inlet pipeline;

[0031] 3 endoscope, 31 mirror body, 32 fixed column, 33 light guide beam interface, 34 eyepiece interface, 35 mirror tube, 36 objective lens, 301 elastic ring assembly, 302 fastening bolt a, 303 adjusting sleeve, 304 fastening bolt b. DETAILED DESCRIPTION

[0032] The specific embodiments described hereinbefore are intended to be illustrative only and are not intended to limit the present application. Changes can be made to the embodiments described without departing from the spirit of the present application.

[0033] Please refer toFigures 3-7 The embodiment discloses a minimally invasive channel endoscope adjusting support, which comprises a first fastening part 1 and a second fastening part 2. The first fastening part 1 is used for fastening the channel 101, and the second fastening part 2 is located above the first fastening part 1 and can move up and down relative to the first fastening part 1, and the second fastening part 2 is used for fastening the endoscope 3.

[0034] In specific use, the first fastening part 1 is fixed on the upper opening of the channel 101, and the second fastening part 2 is fixed on the fixed column 32, so as to fix the entire endoscope 3. In use, the distance between the objective lens 36 and the surface of the lumbar lamina or facet joint is adjusted by adjusting the relative position of the first fastening part 1 and the second fastening part 2. When the top surface of the first fastening part 1 is attached to the bottom surface of the second fastening part 2, the objective lens 36 can be inserted into the spinal canal deeper than in the prior art, so that a clearer image can be taken at a close distance. When it is necessary to move as high as possible due to operation, the second fastening part 2 can be adjusted to the farthest distance from the first fastening part 1, at which time the objective lens 36 is located at a farther distance above the horizontal lower opening of the channel 101, so as to effectively reduce the chance of contamination of the objective lens 36.

[0035] Please refer to Figure 5 The first fastening part 1 comprises a first fastening seat 11, a clamping part 12 arranged on one side of the first fastening seat 11 and a guide column 13 arranged on the top of the first fastening seat 11. The clamping part 12 is used for clamping the channel, and the second fastening part 2 can move up and down along the guide column 13. The clamping part 12 comprises a loose ring 121, and the loose ring 121 is fastened by a first fastener 122 so as to clamp the channel 101.

[0036] Please refer to Figure 6 The second fastening part 2 comprises a second fastening seat 21, a sliding block 22 arranged on the side of the second fastening seat 21, a bushing 23 arranged on the second fastening seat 21, and a second fastener 24 arranged on the side of the second fastening seat 21. The second fastening seat 21 is arranged in parallel with the first fastening seat 11. The sliding block 22 is sleeved on the outside of the guide column 13 and is fixed by a third fastener 25. The second fastener 24 passes through the side of the second fastening seat 21 and extends into the bushing 23.

[0037] Preferably, a through hole matched with the shape of the guide column 13 is formed in the sliding block 22, and a locking hole 221 is arranged on the side of the sliding block 22. The third fastener 25 passes through the locking hole 221 so as to fasten the sliding block 22.

[0038] In the embodiment, the first fastener 122, the second fastener 24 and the third fastener 25 are all fastening bolts. In the specific installation, the fixed column 32 is inserted into the insertion hole 23, then the second fastener 24 is rotated to abut against the fixed column 32, so as to fix the endoscope 3, then the sliding block 22 is sleeved on the guide column 13, then the third fastener 25 is rotated to be inserted into the locking hole 221 and abut against the guide column 13, and then the elastic ring 121 is sleeved on the channel 101, and finally the first fastener 122 is used for locking.

[0039] Please continue to refer to Figure 6 , the second fastening part 2 further comprises a sleeve 26, the top end of the sleeve 26 is connected with the side surface of the second fastening seat 21, and the sleeve 26 can protect the lens tube 35, so as to avoid the collision with the lens tube 35 when the tool is operated, thereby avoiding the damage of the lens tube 35. The outer side wall of the sleeve 26 is tangent to the inner side wall of the channel 101, so that on the one hand, more operation space is left for the tool, and on the other hand, the collision between the tool and the sleeve 26 is reduced, and the possibility of damage of the lens tube 35 is further reduced. In the embodiment, the guide column 13 is a pentagon, and when the third fastener 25 is locked, the sleeve 26 is slightly pulled towards the pipe wall of the channel 101, so as to prevent the sleeve 26 from deviating towards the center of the channel.

[0040] Please refer to Figures 6-7 , the second fastening part 2 further comprises a water inlet pipe 27 arranged on the side surface of the second fastening seat 21, the water inlet pipe 27 is in communication with the sleeve 26, the second fastening seat 21 is provided with a water channel 211, the top side of the sleeve 26 is provided with a water inlet 261, and the water inlet pipe 27, the water channel 211 and the water inlet 261 are in sequence communication. The water inlet pipe 27 is connected with a hose, and the hose is in communication with a water bag or a water pump. The water liquid enters the water channel through the water inlet pipe 27, enters the sleeve 26 through the water inlet, and finally flows out along the port of the sleeve 26, so as to flush the objective lens and the anatomical structure near the objective lens.

[0041] Preferably, the top end of the sleeve 26 is provided with a sealing ring, the sealing ring seals the gap between the sleeve 26 and the lens tube 35, and prevents the water liquid from leaking out through the upper end of the sleeve 26.

[0042] In the embodiment, the length of the lens tube is 100 mm, the length of the channel is 75 mm, which is the same as the prior art, the thickness of the second fastening seat 21 is 8 mm, the height of the guide column 13 is 70 mm, and the length from the lower edge of the second fastening seat 21 to the objective lens 36 at the end of the lens tube 35 is 92 mm (100 mm-8 mm).

[0043] In use, the elastic ring 121 is fixed near the upper end of the channel 101, and then the first fastener 122 is used for locking.

[0044] Insert the fixing column 32 into the insertion hole 23, and then rotate the second fastener 24 to abut against the fixing column 32, thereby fixing the endoscope 3.

[0045] It should be noted that the device protected by the present application has wide applicability and can match and meet different endoscope requirements. For example, the fixing column of the existing common endoscope has a certain adjustment function, and the length thereof is about 40 mm. In some modified endoscopes, the fixing column does not need to have the adjustment function, and the length thereof is shortened or the shape thereof is changed. The device can adapt to fixing columns of different lengths and can achieve firm and reliable fixing effects.

[0046] Insert the sliding block 22 into the guide column 13, and temporarily lock the third fastener 25. At this time, the lens tube 35 and the sleeve tube 26 are inserted into the channel 101 and automatically adhere to the wall of the channel 101. The sliding block 22 and the guide column 13 are located on the side of the lens body 31.

[0047] During use, the insertion depth of the objective lens 36 can be adjusted by loosening the second fastener 24 and moving the sliding block 22 upward or downward, and the adjustment range is 60 mm. When the top surface of the first fastening part 1 and the bottom surface of the second fastening part 2 are attached, the objective lens 36 is located 17 mm below the lower end of the channel 101 (92 mm-75 mm), and the deep structure in the spinal canal 40-50 mm below the lower end can be clearly captured. When it is necessary to move upward as much as possible, the second fastening seat 21 can be adjusted to the highest position of the guide column 13, and the objective lens 36 is located 42 mm above the lower end of the channel 101 (-18 mm+60 mm), which effectively reduces the chance of contamination of the objective lens 36.

[0048] The endoscope 3 can be rotated or moved up and down around the channel 101 by loosening the first fastener 122 to finely adjust the depth of the objective lens 36. In most patients, the downward fine adjustment range is about 10 mm with a channel length of 75 mm.

[0049] As described above, the first fastening part 1 and the second fastening part 2 cooperate to maintain the length of the lens tube 35 and the length of the channel 101 unchanged. When the second fastening part 2 is adjusted to the lowest position, the objective lens 36 is located deeper below the lower end of the channel 101, and the deep structure in the spinal canal can be clearly captured. When the second fastening part 2 is adjusted to the highest position, the objective lens 36 is located farther above the lower end of the channel 101, which effectively reduces the chance of contamination of the objective lens.

[0050] The preferred embodiments of the present application are described in detail above with reference to the drawings, but the present application is not limited to the specific details in the above-described embodiments, and various simple modifications can be made to the technical solutions of the present application within the technical concept of the present application, and these simple modifications all belong to the protection scope of the present application. In addition, it should be noted that various specific technical features described in the above-described specific embodiments can be combined in any appropriate manner without contradiction, and in order to avoid unnecessary repetition, the present application will not further describe various possible combination manners.

[0051] In addition, various different embodiments of the present application can also be combined in any manner, as long as they do not deviate from the idea of the present application, and they should also be considered as disclosed by the present application.

Claims

1. A minimally invasive channel endoscope adjustment stand, characterized by, The utility model relates to a channel fixing device for endoscope, comprising: a first fastening part for fastening the channel; a second fastening part above the first fastening part and movable up and down relative to the first fastening part, for fastening the endoscope; the first fastening part comprises a first fastening seat, a clamping part arranged on one side of the first fastening seat, and a guide column arranged on the top of the first fastening seat, the clamping part being used for clamping the channel, and the second fastening part being movable up and down along the guide column; the second fastening part comprises a second fastening seat arranged in parallel with the first fastening seat, a sliding block arranged on the side of the second fastening seat, a socket arranged on the second fastening seat, and a second fastener arranged on the side of the second fastening seat, the sliding block being sleeved on the outside of the guide column and being fixed by a third fastener, and the second fastener passing through the side of the second fastening seat and extending into the socket.

2. The minimally invasive channel endoscope adjustment cradle of claim 1, wherein, the clamping part comprises an elastic ring fastened by a first fastener to clamp the channel.

3. The minimally invasive channel endoscope adjustment stand of claim 1, wherein, a through hole matching the shape of the guide column is formed in the sliding block, and a locking hole is arranged on the side of the sliding block, the third fastener passing through the locking hole to fasten the sliding block.

4. The minimally invasive channel endoscope adjustment cradle of claim 3, wherein, the guide column is pentagonal.

5. The minimally invasive channel endoscope adjustment cradle of claim 2, wherein, the second fastening part further comprises a sleeve, the top end of the sleeve being connected to the side of the second fastening seat, and the outside wall of the sleeve being tangent to the inside wall of the channel.

6. The minimally invasive channel endoscope adjustment cradle of claim 5, wherein, the second fastening part further comprises a water inlet pipe arranged on the side of the second fastening seat, the water inlet pipe being in communication with the sleeve.

7. The minimally invasive channel endoscope adjustment cradle of claim 6, wherein, a water channel is arranged in the second fastening seat, a water inlet is arranged on the top side of the sleeve, and the water inlet pipe, the water channel, and the water inlet are in communication in sequence.

8. The minimally invasive channel endoscope adjustment cradle of claim 7, wherein, a sealing ring is arranged on the top end of the sleeve.

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