Endoscope tip seat and endoscope

Abstract

A first mounting hole used for mounting a first imaging assembly, a second mounting hole used for mounting a second imaging assembly, a nozzle mounting hole used for mounting a nozzle and a channel mounting hole used for mounting an instrument channel are formed in the tip seat, and the nozzle is used for cleaning the first imaging assembly and the second imaging assembly; the first mounting hole and the second mounting hole are adjacently arranged, the center connecting line of the nozzle mounting hole, the first mounting hole and the second mounting hole and the center connecting line of the channel mounting hole, the first mounting hole and the second mounting hole are all triangular, and the nozzle mounting hole is located on one side of the first mounting hole and the second mounting hole. The channel mounting hole is located in the other side of the first mounting hole and the second mounting hole, and the nozzle mounting hole and the channel mounting hole are both located between the first mounting hole and the second mounting hole. The nozzle can clean the first imaging assembly and the second imaging assembly at the same time, and the outer diameter size of the tip seat can be reduced.

Description

Technical Field

[0001] The present application relates to the technical field of endoscopes, and in particular to an endoscope tip seat and an endoscope. Background Art

[0002] An endoscope is a medical device that includes a slender insertion tube that can enter the human body through a natural channel or a surgical incision to deliver an imaging component into the body and conduct a comprehensive examination or treatment of the internal organs of the human body. The imaging component of the endoscope is mounted on a tip seat, and a nozzle is provided on the tip seat, through which water and air are sprayed on the outer surface of the lens of the imaging component to wash away foreign matter adhering to the lens. In order to facilitate the rapid and accurate detection of abnormal lesions, two imaging components with different functions need to be installed on the tip seat of the endoscope. When there are two imaging components, two nozzles are usually required to be set accordingly, and one nozzle is used to clean one imaging component, thereby increasing the outer diameter of the tip seat. Summary of the invention

[0003] The present application provides an endoscope tip seat and an endoscope, which can solve the problem of a large outer diameter of the tip seat.

[0004] According to one aspect of the present application, an endoscope tip seat is provided in one embodiment, comprising:

[0005] A tip seat, the tip seat is provided with a first mounting hole for mounting a first imaging assembly, a second mounting hole for mounting a second imaging assembly, a nozzle mounting hole for mounting a nozzle, and a channel mounting hole for mounting an instrument channel, the nozzle being used to clean the first imaging assembly and the second imaging assembly;

[0006] The first mounting hole and the second mounting hole are arranged adjacent to each other, a center line of the nozzle mounting hole, the first mounting hole, and the second mounting hole, and a center line of the channel mounting hole, the first mounting hole, and the second mounting hole are all triangular, and the nozzle mounting hole is located on one side of the first mounting hole and the second mounting hole, and the channel mounting hole is located on the other side of the first mounting hole and the second mounting hole, and the nozzle mounting hole and the channel mounting hole are both located between the first mounting hole and the second mounting hole.

[0007] In one embodiment, a line connecting the center of the first mounting hole and the center of the second mounting hole is a first line segment, a line connecting the midpoint of the first line segment and the center of the nozzle mounting hole is a second line segment, and the first line segment is perpendicular to the second line segment.

[0008] In one embodiment, a line connecting the center of the first mounting hole and the center of the second mounting hole is a first line segment, a line connecting the midpoint of the first line segment and the center of the channel mounting hole is a third line segment, and the first line segment is perpendicular to the third line segment.

[0009] In one embodiment, a first connecting groove is provided in the tip seat, the groove opening of the first connecting groove faces the proximal side of the tip seat, and the first mounting hole and the second mounting hole penetrate from the bottom of the first connecting groove to the distal end of the tip seat.

[0010] In one embodiment, a groove wall of the first communicating groove is provided with a first notch communicating with the nozzle mounting hole, and / or a groove wall of the first communicating groove is provided with a second notch communicating with the channel mounting hole.

[0011] In one embodiment, the tip seat also includes a water pipe mounting hole that is arranged through the hole for installing a water supply pipe, the water pipe mounting hole and the channel mounting hole are located on the same side of the first mounting hole and the second mounting hole, and the groove wall of the first connecting groove is also provided with a third notch that is connected to the water pipe mounting hole.

[0012] In one embodiment, the water pipe mounting hole and the channel mounting hole are both stepped holes, and the large diameter hole of the water pipe mounting hole and the large diameter hole of the channel mounting hole are close to the proximal end of the tip seat; the groove wall of the first connecting groove is provided with a second notch connected to the channel mounting hole, the second notch connects the large diameter hole of the channel mounting hole and the first connecting groove, and the third notch connects the large diameter hole of the water pipe mounting hole and the first connecting groove; the step between the large diameter hole and the small diameter hole of the water pipe mounting hole is the first step, and the step between the large diameter hole and the small diameter hole of the channel mounting hole is the second step, and the first step and the second step are located on the distal side of the bottom of the first connecting groove.

[0013] In one embodiment, a hollow shaft segment for connecting to the bending portion of an endoscope is provided at the proximal end of the tip seat, a fourth notch is provided on the side wall of the water pipe mounting hole, and a fifth notch is provided on the side wall of the channel mounting hole, and the fourth notch and the fifth notch both penetrate to the inner wall of the hollow shaft segment.

[0014] In one embodiment, the tip seat is also provided with a second connecting groove, which is located between the first mounting hole and the second mounting hole. The second connecting groove forms a notch on the hole wall of the first mounting hole and the second mounting hole, connecting the first mounting hole and the second mounting hole.

[0015] According to another aspect of the present application, an endoscope is provided in one embodiment, including the endoscope tip seat as described above, and a first imaging assembly installed in the first mounting hole, a second imaging assembly installed in the second mounting hole, a nozzle installed in the nozzle mounting hole, and an instrument channel installed in the channel mounting hole; the water spray port of the nozzle is directed toward the first imaging assembly and the second imaging assembly.

[0016] According to the endoscope tip seat and endoscope of the above-mentioned embodiment, the nozzle mounting hole and the channel mounting hole are both located between the first mounting hole and the second mounting hole. Not only is the structure compact, but after installation, the nozzle in the nozzle mounting hole can simultaneously clean the first imaging component and the second imaging component, without the need to set up two nozzles, which is beneficial to reducing the number of parts and reducing the outer diameter of the tip seat. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of a first direction view of an endoscope tip seat of an embodiment;

[0018] Figure 2 It is a structural schematic diagram of a second direction view of an endoscope tip seat of an embodiment;

[0019] Figure 3 A schematic structural diagram of a third-direction view of an endoscope tip seat according to an embodiment;

[0020] Figure 4 It is a structural schematic diagram of assembling a nozzle, an imaging assembly, and an instrument channel on a tip seat in one embodiment;

[0021] Figure 5 A schematic cross-sectional structure diagram of an imaging assembly and a front end seat in cooperation with each other in one embodiment;

[0022] Figure 6 A schematic cross-sectional structure diagram of the nozzle, the instrument channel and the tip seat in cooperation with one embodiment;

[0023] Figure 7 A schematic diagram of a structure in which a second connecting groove is provided on a tip seat of an embodiment;

[0024] Figure 8 It is a structural schematic diagram of a first imaging component and a housing of a second imaging component connected as one body in an embodiment;

[0025] Fig. 9 The figure is a schematic diagram of the structure of an endoscope according to an embodiment.

[0026] Description of reference numerals:

[0027] 11- tip seat, 111- first mounting hole, 112- second mounting hole, 113- nozzle mounting hole, 114- channel mounting hole, 115- water pipe mounting hole, 116- hollow shaft section, 117- fourth notch, 118- fifth notch, 119- second notch, 120- third notch, 121- first notch, 122- first connecting groove, 123- second connecting groove; 12- instrument channel; 13- first imaging component; 14- second imaging component; 15- water supply pipe; 16- nozzle; 17- proximal end; 18- distal end; 19- handle; 20- insertion tube. DETAILED DESCRIPTION

[0028] The present application is further described in detail below by specific embodiments in conjunction with the accompanying drawings. Wherein similar elements in different embodiments adopt associated similar element numbers. In the following embodiments, many detailed descriptions are intended to enable the present application to be better understood. However, those skilled in the art can easily recognize that some of the features can be omitted in different situations, or can be replaced by other elements, materials, and methods. In some cases, some operations related to the present application are not shown or described in the specification, in order to avoid the core part of the present application being overwhelmed by too much description, and for those skilled in the art, it is not necessary to describe these related operations in detail, and they can fully understand the related operations based on the description in the specification and the general technical knowledge in the art.

[0029] In addition, the features, operations or characteristics described in the specification can be combined in any appropriate manner to form various implementations. At the same time, the steps or actions in the method description can also be interchanged or adjusted in a manner that is obvious to those skilled in the art. Therefore, the various sequences in the specification and the drawings are only for the purpose of clearly describing a certain embodiment and are not meant to be a required sequence, unless otherwise specified that a certain sequence must be followed.

[0030] The serial numbers of the components in this document, such as "first", "second", etc., are only used to distinguish the objects described and do not have any order or technical meaning. The "connection" and "coupling" mentioned in this application, unless otherwise specified, include direct and indirect connections (couplings).

[0031] See also Figures 1 to 8 , an embodiment of the present application provides an endoscope tip seat, which is described in detail below.

[0032] The tip seat 11 in this embodiment is provided with a first mounting hole 111 for mounting the first imaging component 13, a second mounting hole 112 for mounting the second imaging component 14, a nozzle mounting hole 113 for mounting the nozzle 16, and a channel mounting hole 114 for mounting the instrument channel 12, the nozzle 16 is used to clean foreign matter stuck on the outer surface of the lens of the first imaging component 13 and the second imaging component 14; the first mounting hole 111 and the second mounting hole 112 are arranged adjacent to each other, the center line of the nozzle mounting hole 113, the first mounting hole 111, and the second mounting hole 112, and the center line of the channel mounting hole 114, the first mounting hole 111, and the second mounting hole 112 are all triangular, and the nozzle mounting hole 113 is located on one side of the first mounting hole 111 and the second mounting hole 112, and the channel mounting hole 114 is located on the other side of the first mounting hole 111 and the second mounting hole 112, and the nozzle mounting hole 113 and the channel mounting hole 114 are both located between the first mounting hole 111 and the second mounting hole 112. It can be understood that the nozzle mounting hole 113 in this embodiment is located between the first mounting hole 111 and the second mounting hole 112, that is, the vertical projection of the center of the nozzle mounting hole 113 on the straight line passing through the centers of the first mounting hole 111 and the second mounting hole 112 is located between the first mounting hole 111 and the second mounting hole 112. The channel mounting hole 114 in this embodiment is located between the first mounting hole 111 and the second mounting hole 112, that is, the vertical projection of the center of the channel mounting hole 114 on the straight line passing through the centers of the first mounting hole 111 and the second mounting hole 112 is located between the first mounting hole 111 and the second mounting hole 112.

[0033] It can be understood that the shapes of the first mounting hole 111 and the second mounting hole 112 in this embodiment match the outer contour shape of the corresponding imaging assembly. For example, when the outer contour of the imaging assembly is circular, the corresponding mounting hole can also be a circular hole; the shape of the nozzle mounting hole 113 in this embodiment can also match the outer contour shape of the nozzle 16, and the shape of the channel mounting hole 114 can also match the outer contour shape of the instrument channel 12. The nozzle mounting hole 113 in this embodiment is located between the first mounting hole 111 and the second mounting hole 112, so that the nozzle 16 can clean the outer surface of the lens of the first imaging assembly 13 and the second imaging assembly 14 at the same time, which is conducive to reducing the number of parts and reducing the outer diameter size of the front end seat. The distance between the nozzle mounting hole 113 and the first mounting hole 111 and the second mounting hole 112 is relatively close, and the difference in distance is also small, which ensures that the liquid or gas sprayed by the nozzle 16 to the outer surface of the lens of the first imaging assembly 13 and the second imaging assembly 14 can have a sufficiently large pressure, and the nozzle 16 has a good cleaning effect on the lens of the first imaging assembly 13 and the second imaging assembly 14. The channel mounting hole 114 in this embodiment is also located between the first mounting hole 111 and the second mounting hole 112, so that the channel mounting hole 114, the nozzle mounting hole 113, the first mounting hole 111, and the second mounting hole 112 are arranged in a compact quadrilateral, further reducing the outer diameter of the tip seat. In some application scenarios, when the endoscope is an inspection scope, the endoscope may not be provided with an instrument channel 12, and the channel mounting hole 114 may not be provided on the tip seat 11; when the endoscope is a therapeutic scope, the endoscope can pass the therapeutic instrument through the instrument channel 12, and the channel mounting hole 114 may be provided on the tip seat 11. When the channel mounting hole 114 is not provided on the tip seat 11, the first mounting hole 111, the second mounting hole 112, and the nozzle mounting hole 113 are still arranged in a triangular shape, and the first mounting hole 111, the second mounting hole 112, and the nozzle mounting hole 113 can be arranged around the center of the tip seat 11.

[0034] In one embodiment, Figure 1As shown, the line connecting the center of the first mounting hole 111 and the center of the second mounting hole 112 is the first line segment L1, the line connecting the midpoint of the first line segment L1 and the center of the nozzle mounting hole 113 is the second line segment L2, and the first line segment L1 is perpendicular to the second line segment L2. At this time, the nozzle mounting hole 113, the first mounting hole 111, and the second mounting hole 112 are arranged in the most compact isosceles triangle, which can further reduce the outer diameter of the tip seat, and avoid the situation that the tip seat cannot pass through the natural cavity of the human body to reach the required specific part due to the large outer diameter of the tip seat, or cause obvious discomfort to the patient. And the distance from the center of the nozzle mounting hole 113 to the center of the first mounting hole 111 is equal to the distance from the center of the nozzle mounting hole 113 to the center of the second mounting hole 112, so that the pressure of the liquid or gas sprayed by the nozzle 16 to the outer surface of the lens of the first imaging component 13 and the second imaging component 14 is consistent, and the nozzle 16 has a sufficiently good cleaning effect on the lens of the first imaging component 13 and the second imaging component 14. In this embodiment, when the first line segment L1 and the second line segment L2 are almost perpendicular, it is equivalent to the first line segment L1 and the second line segment L2 being perpendicular. In some application scenarios, the first line segment L1 and the second line segment L2 may not be perpendicular, as long as the nozzle mounting hole 113 is located between the first mounting hole 111 and the second mounting hole 112.

[0035] In one embodiment, the line connecting the midpoint of the first line segment L1 and the center of the channel mounting hole 114 is the third line segment L3, and the first line segment L1 is perpendicular to the third line segment L3. The third line segment L3 may also be perpendicular to the first line segment L1, in which case the channel mounting hole 114, the first mounting hole 111, and the second mounting hole 112 are also arranged in the most compact isosceles triangle, and the outer diameter of the front end seat is smaller. In some application scenarios, the third line segment L3 may not be perpendicular to the first line segment L1, and can be set as needed.

[0036] In one embodiment, Figure 2 , Figure 3 As shown, a first connecting groove 122 is provided in the tip seat 11, and the notch of the first connecting groove 122 faces the proximal end 17 side of the tip seat 11. The first connecting groove 122 is provided on the tip seat 11, and the first mounting hole 111 and the second mounting hole 112 penetrate from the bottom of the first connecting groove 122 to the distal end 18 of the tip seat 11. Through the provision of the first connecting groove 122, the parts close to the proximal ends 17 of the first mounting holes 111 and the second mounting holes 112 are in a connecting structure, and the first connecting groove 122 can correspond to the wider parts of the two imaging components. After installation, the two imaging components can be arranged closely in the first connecting groove 122, which is conducive to reducing the outer diameter of the tip seat.

[0037] In one embodiment, the groove wall of the first connecting groove 122 is provided with a first notch 121 connected to the nozzle mounting hole 113. Through the setting of the first notch 121, the nozzle 16 can be set as close to the axis of the tip seat 11 as possible, which is also beneficial to reducing the outer diameter of the tip seat; in one embodiment, the groove wall of the first connecting groove 122 is also provided with a second notch 119 connected to the channel mounting hole 114. Through the setting of the second notch 119, the instrument channel 12 can also be set as close to the axis of the tip seat 11 as possible, which is also beneficial to reducing the outer diameter of the tip seat.

[0038] In one embodiment, the tip seat 11 further includes a water pipe installation hole 115 which is provided through and is used to install the water supply pipe 15. The water pipe installation hole 115 and the channel installation hole 114 are located on the same side of the first installation hole 111 and the second installation hole 112. Because the size of the instrument channel is relatively large, the distance between the channel installation hole 114 and the two installation holes is farther than the distance between the nozzle installation hole and the two installation holes, resulting in a relatively large portion of vacant area around the channel installation hole 115. When the water pipe installation hole 115 and the channel installation hole 114 are located on the same side, the water pipe installation hole 115 can be arranged in the vacant area, and there is no need to increase the size of the tip seat to design the water pipe installation hole 115. The space on the tip seat is more fully utilized, which is conducive to reducing the outer diameter of the tip seat.

[0039] In one embodiment, the groove wall of the first connecting groove 122 is further provided with a third notch 120 connected to the water pipe mounting hole 115. By setting the third notch 120, the water supply pipe 15 can be set as close to the axis of the tip seat 11 as possible, which is also conducive to reducing the outer diameter of the tip seat. The water supply pipe 15 in this embodiment can be used to flush the target area in the body to ensure that the imaging area of ​​the imaging component is not blocked or covered. In some application scenarios, the water supply pipe 15 can provide the nozzle 16 with the water required for cleaning, or the water and air required for cleaning the nozzle 16 can also be supplied separately by another delivery pipe.

[0040] In one embodiment, the water pipe mounting hole 115 and the channel mounting hole 114 are both stepped holes, and the large diameter holes of the water pipe mounting hole 115 and the large diameter holes of the channel mounting hole 114 are close to the proximal end 17 of the tip seat 11; the groove wall of the first connecting groove 122 is provided with a second notch 119 connected to the channel mounting hole 114, the second notch 119 connects the large diameter hole of the channel mounting hole 114 and the first connecting groove 122, and the third notch 120 connects the large diameter hole of the water pipe mounting hole 115 and the first connecting groove 122; the step between the large diameter hole and the small diameter hole of the water pipe mounting hole 115 is the first step, and the step between the large diameter hole and the small diameter hole of the channel mounting hole 114 is the second step, and the first step and the second step are located on the distal end 18 side of the groove bottom of the first connecting groove 122. The first step can be abutted against the end of the water supply pipe 15, and the large diameter hole of the water pipe installation hole 115 can be bonded and fixed to the outer peripheral side wall of the water supply pipe 15. The second step can be abutted against the end of the instrument channel 12, and the large diameter hole of the channel installation hole 114 can be bonded and fixed to the outer peripheral side wall of the instrument channel 12. The first step is located at the far end 18 side of the bottom of the first connecting groove 122, so that the far end 18 of the large diameter hole of the water pipe installation hole 115 can have a completely enclosed and closed hole wall, and the outer peripheral side wall of the water supply pipe 15 is bonded and fixed to this part of the hole wall with good air tightness. The second step is located at the far end 18 side of the bottom of the first connecting groove 122, so that the far end 18 of the large diameter hole of the channel installation hole 114 can also have a completely enclosed and closed hole wall, and the outer peripheral side wall of the instrument channel 12 is bonded and fixed to this part of the hole wall with good air tightness, ensuring good air tightness of the front end after installation. In this embodiment, the small diameter holes of the water pipe installation hole 115 and the channel installation hole 114 are close to the distal end 18 of the front seat 11, and are used to supply water in the water pipe 15 and instruments in the instrument channel 12 to pass through.

[0041] In one embodiment, the proximal end 17 of the tip seat 11 is provided with a hollow shaft section 116 for connecting the bending portion of the endoscope, the side wall of the water pipe mounting hole 115 is provided with a fourth notch 117, and the side wall of the channel mounting hole 114 is provided with a fifth notch 118, and the fourth notch 117 and the fifth notch 118 are both penetrated to the inner side wall of the hollow shaft section 116. The bending portion in this embodiment is pulled axially by the traction wire rope to make the adjacent bending sections of the bending portion rotate relative to each other, so as to realize the bending of the bending portion, the distal end 18 of the bending portion is connected to the hollow shaft section 116 of the tip seat 11, and the proximal end 17 of the bending portion is connected to the insertion tube. Because the fourth notch 117 and the fifth notch 118 penetrate the inner wall of the hollow shaft segment 116, when the tip seat 11 is connected to the bending portion, part or all of the end of the bending portion extends into the hollow shaft segment 116, and the bending portion can squeeze the instrument channel 12 and the water delivery pipe 15 toward the axis of the tip seat 11. The instrument channel 12 and the water delivery pipe 15 have space for deformation and displacement. Under the premise of ensuring smoothness, the bending portion can be connected with a smaller outer diameter of the tip seat 11.

[0042] In one embodiment, if Figure 7 , Figure 8 As shown, the tip seat 11 is also provided with a second connecting groove 123, which is located between the first mounting hole 111 and the second mounting hole 112. The second connecting groove 123 forms a notch on the hole wall of the first mounting hole 111 and the second mounting hole 112, connecting the first mounting hole 111 and the second mounting hole 112. Through the second connecting groove 123, the first imaging component 13 and the second imaging component 14 can be pre-connected into an integral structure, and then installed in the first mounting hole 111 and the second mounting hole 112 at one time. The second connecting groove 123 forms a gap between the connecting parts of the first imaging component 13 and the second imaging component 14. In one embodiment, the outer shells of the first imaging component 13 and the second imaging component 14 can be an integral structure, in which case the integration of the tip components is higher and the assembly is simplified. In some embodiments, the second connecting groove 123 can penetrate along the axial direction of the tip seat 11 to the bottom of the first connecting groove 122, so that the second connecting groove 123 is connected with the first connecting groove 122. In some application scenarios, the second connecting groove 123 may not be provided between the first mounting hole 111 and the second mounting hole 112 .

[0043] In the endoscope tip seat of the above embodiment, the nozzle mounting hole 113 is located between the first mounting hole 111 and the second mounting hole 112, so that the nozzle 16 can clean the outer surface of the lens of the first imaging component 13 and the second imaging component 14 at the same time, which is conducive to reducing the number of parts and reducing the outer diameter of the tip seat. The nozzle mounting hole 113 is close to the first mounting hole 111 and the second mounting hole 112, and the difference in distance is also small, which ensures that the liquid or gas sprayed by the nozzle 16 to the outer surface of the lens of the first imaging component 13 and the second imaging component 14 can have a sufficiently large pressure, and the nozzle 16 has a good cleaning effect on the lens of the first imaging component 13 and the second imaging component 14. The channel mounting hole 114 in this embodiment is also located between the first mounting hole 111 and the second mounting hole 112, so that the channel mounting hole 114, the nozzle mounting hole 113, the first mounting hole 111, and the second mounting hole 112 are arranged in a compact quadrilateral, further reducing the outer diameter of the tip seat.

[0044] See also Figure 1-Figure 9 The embodiment of the present application also provides an endoscope, including the endoscope tip seat 11 as described above, and a first imaging component 13 installed in the first mounting hole 111, a second imaging component 14 installed in the second mounting hole 112, a nozzle 16 installed in the nozzle mounting hole 113, and an instrument channel 12 installed in the channel mounting hole 114; the water spray port of the nozzle 16 is directed toward the first imaging component 13 and the second imaging component 14.

[0045] It is understandable that the tip seat 11 in this embodiment is the same as the above embodiment, and will not be described in detail here. After the first imaging component 13, the second imaging component 14, the nozzle 16, and the instrument channel 12 in this embodiment are installed, the first imaging component 13 and the second imaging component 14 are arranged adjacent to each other, and the center line of the nozzle 16, the first imaging component 13, and the second imaging component 14, and the center line of the instrument channel 12, the first imaging component 13, and the second imaging component 14 are all triangular, the nozzle 16 is located on one side of the first imaging component 13 and the second imaging component 14, and the instrument channel 12 is located on the other side of the first imaging component 13 and the second imaging component 14, and the nozzle 16 and the instrument channel 12 are both located between the first imaging component 13 and the second imaging component 14. The first imaging component 13 and one side of the second imaging component 14 in the above embodiment, as well as the first mounting hole 111 and one side of the second mounting hole 112, are all relative positional relationships of corresponding structures on the cross section of the tip seat 11, and the above centers are all centers of corresponding structures on the cross section of the tip seat 11, and the cross section is a cross section perpendicular to the axis of the tip seat 11. The first imaging component 13 and the second imaging component 14 in this embodiment may have different functions, for example, one may be imaging of normal light and the other may be imaging of special light, or one may be imaging of normal magnification and the other may be imaging of magnification. The water spray port of the nozzle 16 in this embodiment faces the first imaging component 13 and the second imaging component 14, and the two imaging components can be cleaned at the same time, and the water spray area of ​​the nozzle 16 can cover the two imaging components. The instrument channel 12 in this embodiment can provide an insertion channel for instruments required for diagnosis or treatment. In some application scenarios, when the endoscope is an inspection scope, the endoscope may not be provided with an instrument channel 12, and the channel mounting hole 114 may not be provided on the tip seat 11.

[0046] The endoscope in this embodiment may also include other functional structures, such as a bending portion, an insertion tube 20, a handle 19, and a control system, etc. The proximal end 17 of the insertion tube 20 is connected to the handle 19, and the distal end 18 is connected to the bending portion, and the distal end 18 of the bending portion is connected to the hollow shaft section 116 of the tip seat 11. The distal end 18 is the end away from the handle, and the proximal end 17 is the end close to the handle.

[0047] In the endoscope of the above embodiment, the nozzle 16 is located between the first imaging component 13 and the second imaging component 14, so that the nozzle 16 can clean the outer surface of the lens of the first imaging component 13 and the second imaging component 14 at the same time, which is conducive to reducing the number of parts and reducing the outer diameter of the tip seat 11. The distance between the nozzle 16 and the first imaging component 13 and the second imaging component 14 is relatively close, and the difference in distance is also small, which ensures that the liquid or gas sprayed by the nozzle 16 to the outer surface of the lens of the first imaging component 13 and the second imaging component 14 can have a sufficiently large pressure, and the nozzle 16 has a good cleaning effect on the lens of the first imaging component 13 and the second imaging component 14. The instrument channel 12 in this embodiment is also located between the first imaging component 13 and the second imaging component 14, so that the instrument channel 12, the nozzle 16, the first imaging component 13, and the second imaging component 14 are arranged in a compact quadrilateral, further reducing the outer diameter of the tip seat 11.

[0048] The above specific examples are used to illustrate the present application, which is only used to help understand the present application and is not intended to limit the present application. For technicians in the technical field to which the present application belongs, they can also make some simple deductions, deformations or substitutions based on the ideas of the present application.

Claims

1. An endoscope tip seat, characterized in that: The tip seat is provided with a first mounting hole for mounting a first imaging assembly, a second mounting hole for mounting a second imaging assembly, a nozzle mounting hole for mounting a nozzle, and a channel mounting hole for mounting an instrument channel, wherein the nozzle is used to clean the first imaging assembly and the second imaging assembly; The first mounting hole and the second mounting hole are arranged adjacent to each other, a center line of the nozzle mounting hole, the first mounting hole, and the second mounting hole, and a center line of the channel mounting hole, the first mounting hole, and the second mounting hole are all triangular, and the nozzle mounting hole is located on one side of the first mounting hole and the second mounting hole, and the channel mounting hole is located on the other side of the first mounting hole and the second mounting hole, and the nozzle mounting hole and the channel mounting hole are both located between the first mounting hole and the second mounting hole.

2. The endoscope tip seat according to claim 1, characterized in that: A line connecting the center of the first mounting hole and the center of the second mounting hole is a first line segment, a line connecting the midpoint of the first line segment and the center of the nozzle mounting hole is a second line segment, and the first line segment is perpendicular to the second line segment.

3. The endoscope tip seat according to claim 1, characterized in that: A line connecting the center of the first mounting hole and the center of the second mounting hole is a first line segment, a line connecting the midpoint of the first line segment and the center of the channel mounting hole is a third line segment, and the first line segment is perpendicular to the third line segment.

4. The endoscope tip seat according to any one of claims 1 to 3, characterized in that: A first connecting groove is provided in the tip seat, the groove opening of the first connecting groove faces the proximal side of the tip seat, and the first mounting hole and the second mounting hole penetrate from the bottom of the first connecting groove to the distal end of the tip seat.

5. The endoscope tip seat according to claim 4, characterized in that: The groove wall of the first communicating groove is provided with a first notch communicating with the nozzle mounting hole, and / or the groove wall of the first communicating groove is provided with a second notch communicating with the channel mounting hole.

6. The endoscope tip seat according to claim 5, characterized in that: The tip seat also includes a water pipe installation hole that is set through for installing a water supply pipe. The water pipe installation hole and the channel installation hole are located on the same side of the first installation hole and the second installation hole. The groove wall of the first connecting groove is also provided with a third notch that is connected to the water pipe installation hole.

7. The endoscope tip seat according to claim 6, characterized in that: The water pipe mounting hole and the channel mounting hole are both stepped holes, and the large diameter hole of the water pipe mounting hole and the large diameter hole of the channel mounting hole are close to the proximal end of the tip seat; the groove wall of the first connecting groove is provided with a second notch connected to the channel mounting hole, the second notch connects the large diameter hole of the channel mounting hole and the first connecting groove, and the third notch connects the large diameter hole of the water pipe mounting hole and the first connecting groove; the step between the large diameter hole and the small diameter hole of the water pipe mounting hole is the first step, and the step between the large diameter hole and the small diameter hole of the channel mounting hole is the second step, and the first step and the second step are located on the distal side of the bottom of the first connecting groove.

8. The endoscope tip seat according to claim 6, characterized in that: The proximal end of the tip seat is provided with a hollow shaft section for connecting the bending part of the endoscope, the side wall of the water pipe mounting hole is provided with a fourth notch, and the side wall of the channel mounting hole is provided with a fifth notch, and the fourth notch and the fifth notch both penetrate to the inner wall of the hollow shaft section.

9. The endoscope tip seat according to claim 4, characterized in that: The tip seat is also provided with a second connecting groove, which is located between the first mounting hole and the second mounting hole. The second connecting groove forms a notch on the hole wall of the first mounting hole and the second mounting hole, connecting the first mounting hole and the second mounting hole.

10. An endoscope, characterized in that: It includes an endoscope tip seat as described in any one of claims 1 to 9, and a first imaging component installed in the first mounting hole, a second imaging component installed in the second mounting hole, a nozzle installed in the nozzle mounting hole, and an instrument channel installed in the channel mounting hole; the water spray port of the nozzle is directed toward the first imaging component and the second imaging component.

Images