Connection device and endoscope connection system

Abstract

The purpose of this device is to address the problem of insufficient fixation stability in the connection between the secondary endoscope and the primary endoscope, which can lead to the connection loosening or displacement during surgery, by increasing the stability of the connection and improving the quality and efficiency of surgery. [Solution] To solve this problem, the present invention provides a connection device and an endoscope connection system. The connection device has a first connection part for connecting and securing an endoscope daughter scope, and a second connection part for connecting to the first connection part, which forms a housing groove for housing the endoscope mother scope. This increases the contact area and adhesion area with the endoscope mother scope. Furthermore, by using a band to secure the endoscope mother scope in the housing groove, it achieves double fixation to the endoscope mother scope. This improves the stability of the connection between the endoscope daughter scope and the endoscope mother scope, making the connection stronger and contributing to improved quality and efficiency of surgery.

Description

[Technical Field]

[0001] The present invention relates to the technical field of medical devices, and more particularly to a connecting device and an endoscope connecting system.

[0002] (CROSS-REFERENCE TO RELATED APPLICATIONS) This invention claims priority based on a Chinese application filed with the State Intellectual Property Office on February 17, 2023, bearing application number 202310132232.1 and entitled "Connection Device and Endoscope Connection System," the entire contents of which are incorporated herein by reference. [Background technology]

[0003] In some surgeries, doctors need to use two endoscopes together, which are called a main endoscope and a secondary endoscope. In general, to facilitate doctors' surgical operations and shorten the surgical time, the secondary endoscope is usually connected to the main endoscope to fix the two endoscopes together, which facilitates their combined use and has clinical benefits. However, in the conventional connection method, the connection strength between the primary mirror and the secondary mirror is relatively weak and lacks stability. Summary of the Invention

[0004] One objective of the present invention is to provide a connecting device that can solve the technical problem of the relatively weak connection force and lack of stability between the primary and secondary endoscopes when using conventional connection methods. Another objective of the present invention is to provide an endoscope connecting system.

[0005] A connecting device according to an embodiment of the present invention is for connecting an endoscope primary scope and an endoscope secondary scope, and includes a first connecting portion, a second connecting portion, and a band, wherein the first connecting portion is for connecting and fixing the endoscope secondary scope, the second connecting portion is connected to the first connecting portion, and an accommodating groove is formed on the surface of the second connecting portion away from the first connecting portion, the accommodating groove is for accommodating the endoscope primary scope, and a fixing portion is provided on the second connecting portion, the fixing portion is located on one side of the accommodating groove, one end of the band is connected to the second connecting portion and is located on the side of the accommodating groove away from the fixing portion, and the other end of the band is removably connected to the fixing portion to fix the endoscope primary scope in the accommodating groove.

[0006] In some embodiments, an insertion groove is provided in the first connecting portion, and the insertion groove is for fixing the endoscope microscope by inserting the endoscope microscope into the insertion groove.

[0007] In some embodiments, the connection device further includes a position limiting member, which is configured to limit the position of the endoscope microscope when the endoscope microscope is inserted into the insertion groove.

[0008] In some embodiments, the first connection portion is provided with a position limiting hole communicating with the insertion groove, the position limiting member includes a position limiting post, the position limiting post is inserted into the position limiting hole and the insertion groove, the position limiting post is movable between a first position and a second position relative to the position limiting hole, in the first position, the position limiting post can limit the position of the endoscope microscope within the insertion groove, and in the second position, the position limiting post can release the endoscope microscope and separate it from the insertion groove.

[0009] In some embodiments, the position limiting member further includes a position limiting block, a return spring, and a pressing portion, wherein the position limiting post is provided on the position limiting block, the return spring and the pressing portion are provided on both sides of the position limiting block, respectively, the return spring is configured to apply pressure to the position limiting block to press the position limiting post to the first position, and the pressing portion is configured to apply a driving force opposite to the pressure to the position limiting block to move the position limiting block and drive the position limiting post to move to the second position.

[0010] In some embodiments, a guide groove is provided on the end of the position limiting block facing the return spring, a guide pillar is provided in the guide groove, and one end of the return spring is provided in the guide groove and is annularly mounted on the guide pillar.

[0011] In some embodiments, the accommodating groove has an arc-shaped cross section along the radial direction, and the diameter of the cross section of the accommodating groove gradually decreases in the axial direction from the proximal end to the distal end, thereby allowing the accommodating groove to conform to the shape of the endoscope main scope.

[0012] Accordingly, an endoscope connection system according to an embodiment of the present invention includes a connection device according to any of the above embodiments and an endoscope sub-scope, wherein the endoscope sub-scope includes a third connection portion, and the third connection portion is connected to the first connection portion, thereby connecting and fixing the endoscope sub-scope and the connection device.

[0013] In some embodiments, the endoscope connection system further includes an endoscope main scope, the endoscope main scope being accommodated in the accommodation groove and being bound and fixed by the band.

[0014] In some embodiments, the first connection portion has an insertion groove, and the third connection portion is inserted into the insertion groove to connect and fix the endoscope and the connection device.

[0015] In some embodiments, the connection device further includes a position limiting member, which is configured to connect and fix the endoscope microscope and the connection device by limiting the position of the third connection portion when the third connection portion is inserted into the insertion groove.

[0016] In some embodiments, a position limiting groove is provided on the third connecting portion, and when the third connecting portion is inserted into the insertion groove, a position limiting post of the position limiting member can be engaged in the position limiting groove, and engagement between the position limiting post and the position limiting groove restricts the position of the third connecting portion, and when the position limiting post is detached from the position limiting groove, the third connecting portion is released from the insertion groove, thereby releasing the endoscope.

[0017] In some embodiments, the third connection portion further has an assembly groove, which communicates with the position limiting groove and has a sloped edge, and when the third connection portion moves into the insertion groove, the return spring of the position limiting member presses the position limiting post against the edge, and the edge guides the movement of the position limiting post, thereby engaging the position limiting post in the position limiting groove.

[0018] In some embodiments, the position limiting post is detached from the position limiting groove by pressing the pressing portion of the position limiting member, thereby releasing the third connecting portion from the insertion groove.

[0019] Beneficial effects Compared to the prior art, a connection device according to an embodiment of the present invention is for connecting an endoscope primary scope and an endoscope secondary scope, and includes a first connection portion, a second connection portion, and a band. The first connection portion is for connecting and fixing the endoscope secondary scope. The second connection portion is connected to the first connection portion. An accommodating groove is formed on the surface of the second connection portion away from the first connection portion. The accommodating groove is for accommodating the endoscope primary scope. A fixing portion is provided on the second connection portion. The fixing portion is located on one side of the accommodating groove. One end of the band is connected to the second connection portion and is located on the side of the accommodating groove away from the fixing portion. The other end of the band is connected to the fixing portion to fix the endoscope primary scope in the accommodating groove. The connection device connects and fixes the endoscope secondary scope by providing a first connection part, and by providing a second connection part that connects to the first connection part, and by forming an accommodation groove in the second connection part to accommodate the endoscope primary scope, the contact area and close contact area with the endoscope primary scope are increased, and the endoscope primary scope is fixed in the accommodation groove using a band, thereby achieving double fixation to the endoscope primary scope, which improves the stability of the connection between the endoscope primary scope and the endoscope secondary scope, making the connection stronger and contributing to improved quality and efficiency of surgery.

[0020] Compared with the prior art, the endoscope connecting system according to the embodiment of the present invention includes the above-mentioned connecting device and an endoscope female, and the endoscope female includes a third connecting part, and the third connecting part is connected to the first connecting part to connect and fix the endoscope female and the connecting device. The endoscope connecting system has all the technical features and corresponding beneficial effects of the above-mentioned connecting device, so description thereof will be omitted here.

[0021] In order to more clearly explain the technical solutions in the embodiments of the present invention, the drawings used in the embodiments will be briefly described below. The drawings described are only some embodiments of the present invention. Those skilled in the art can obtain other drawings based on these drawings without using inventive ability. [Brief explanation of the drawings]

[0022] [Figure 1] 1 is a schematic perspective view of a connection device according to a first embodiment of the present invention; [Figure 2] 1 is a schematic front view of a connection device according to a first embodiment of the present invention; [Figure 3] 2 is a schematic perspective view of the internal structure of the first connector according to the first embodiment of the present invention; FIG. [Figure 4] 1 is a schematic exploded view of components of a connection device according to a first embodiment of the present invention; [Figure 5] FIG. 2 is an exploded view of the components of the position limiting member according to the first embodiment of the present invention. [Figure 6] FIG. 4 is a schematic diagram of a third connection part according to an embodiment of the present invention. [Figure 7] 1 is a schematic diagram illustrating the configuration of an endoscope connecting system according to an embodiment of the present invention; [Figure 8] 1 is a schematic perspective view of a state in which a connecting device and a main scope of an endoscope are connected in accordance with a first embodiment of the present invention; [Figure 9] 1 is a schematic perspective view of an endoscope according to a first embodiment of the present invention; DETAILED DESCRIPTION OF THE INVENTION

[0023] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. The described embodiments are only some of the embodiments of the present invention, and are not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without using inventive ability also fall within the scope of protection of the present invention. In describing the present invention, the terms "proximal end" and "distal end" refer to the surgical operator (surgeon), with the "proximal end" being the end of the surgical tool closer to the surgeon, and the distal end being the end farther from the surgeon than the "proximal end," i.e., the end closer to the patient. Directions and positional relationships expressed using terms such as "length," "inner," and "outer" are based on the drawings and are intended merely to simplify and simplify the description of the present invention. They do not express or imply that the relevant device or element necessarily has a specific orientation, is configured, or operates in a specific direction, and therefore are not intended to limit the present invention. Furthermore, the terms "first," "second," and "third" are merely descriptive and do not express or imply relative importance or the number of technical features. Thus, a feature described using "first," "second," or "third" can expressly or imply the inclusion of one or more of the feature. In describing the present invention, unless otherwise specified, "plurality" means two or more, and "at least one" means one or more than two.

[0024] In the description of the present invention, the axial direction X refers to the extension direction of the receiving groove 210 of the connecting device 10 in the embodiment of the present invention, and also refers to the length direction of the handle of the endoscope main scope 20, or the direction from the proximal end to the distal end of the endoscope main scope 20. The use of the axial direction X is merely for ease of description and does not necessarily mean that the receiving groove 210 has a central axis. The insertion direction Y refers to the direction in which the third connecting part 400 is inserted into the insertion groove 110. In different embodiments, the insertion direction Y varies depending on the opening direction of the insertion groove 110. The insertion direction Y may be the same as or different from the axial direction X and can be set according to actual usage needs.

[0025] In the subject matter of the protection of the connection device 10 that the present invention seeks to protect, the technical terms endoscope main scope 20 and endoscope secondary scope 30 are used to more clearly and simply describe the connection device 10, and do not necessarily mean that the connection device 10 of the present invention must include the endoscope main scope 20 and the endoscope secondary scope 30. In general, the connection device 10 of the present invention may be an independently manufactured or sold product, or may be manufactured or sold as a set with at least one of the endoscope main scope 20 and the endoscope secondary scope 30.

[0026] In surgery using two endoscopes, the connection between the two endoscopes is unstable, which can affect the progress of the surgery. Research by the applicants has revealed that, in the past, a single band was typically wound around the main and secondary endoscopes of the endoscope, but this type of connection method resulted in a relatively small connection surface and a relatively weak connection force, which could not meet the needs of doctors.

[0027] In view of this, an embodiment of the present invention provides a connection device 10. To solve the above technical problems, the connection device 10 is for connecting an endoscope main scope 20 and an endoscope secondary scope 30.

[0028] 1 and 2, Fig. 1 schematically illustrates the three-dimensional structure of a connection device 10 according to a first embodiment of the present invention, and Fig. 2 schematically illustrates the front view of the connection device 10. As shown in the drawings, the connection device 10 mainly includes a first connection part 100, a second connection part 200, and a band 300.

[0029] The first connecting part 100 is used to connect and secure the endoscope daughter scope 30. The first connecting part 100 has a connection structure, and by connecting to the endoscope daughter scope 30, it can be secured to the endoscope daughter scope 30. For example, the first connecting part 100 may use an engagement method using an engaging member, a screw connection method, or an insertion method. For example, the first connecting part 100 may have an insertion hole, and the endoscope daughter scope 30 may be inserted into the insertion hole to secure it. For example, if the endoscope daughter scope 30 is provided with a third connecting part 400, the first connecting part 100 and the third connecting part 400 may mate, one being a grooved socket and the other being an insertion block structure, thereby achieving the insertion and securement.

[0030] The second connecting part 200 and the band 300 are used to secure the endoscope primary scope 20. Specifically, the second connecting part 200 and the first connecting part 100 may be connected and molded as a single unit, or may be separate structures. A storage groove 210 is formed on the surface of the second connecting part 200 away from the first connecting part 100, and this storage groove 210 is used to store the endoscope primary scope 20. In other words, a recessed area is provided on the surface of the second connecting part 200 away from the first connecting part 100 to match the shape of the endoscope primary scope 20 to be connected, forming the storage groove 210. The endoscope primary scope 20 is stored using this storage groove 210, thereby restraining the endoscope primary scope 20 and reducing its freedom of movement.

[0031] The second connecting part 200 is provided with a fixing part 220, which is located on one side of the receiving groove 210 and is configured to be detachably connected to the band 300 to fix the band 300.

[0032] One end of band 300 is connected to second connecting portion 200, and this end is located on the side of accommodating groove 210 that is away from fixing portion 220. Specifically, band 300 and second connecting portion 200 may be an integral structure or separate structures, and may be directly connected or indirectly connected via an intermediate structure. The other end of band 300 is detachably connected to fixing portion 220 to fix endoscope primary scope 20 in accommodating groove 210. That is, after accommodating endoscope primary scope 20 in accommodating groove 210, the other end of band 300 is connected to fixing portion 220 and band 300 is wrapped around endoscope primary scope 20 to fix endoscope primary scope 20, thereby fixing endoscope primary scope 20 to accommodating groove 210 and achieving fixation to endoscope primary scope 20.

[0033] The connection device 10 has a first connection part 100 to connect and fix to the endoscope secondary scope 30, a second connection part 200 to connect to the first connection part 100, and a storage groove 210 to store the endoscope primary scope 20 in the second connection part 200, thereby increasing the contact area and close contact area with the endoscope primary scope 20. The endoscope primary scope 20 is then fixed in the storage groove 210 using a band 300, thereby achieving double fixation to the endoscope primary scope 20. This improves the stability of the connection between the endoscope primary scope 20 and the endoscope secondary scope 30, making the entire structure formed by the connection stronger and contributing to improved quality and efficiency of surgery.

[0034] Referring to Figures 2, 4, 7, 8 and 9, Figure 4 schematically shows the exploded structure of the parts of the connection device 10 according to the first embodiment, Figure 7 schematically shows the structure when the endoscope main mirror 20 and the endoscope secondary mirror 30 are connected using the connection device 10 according to the first embodiment, Figure 8 schematically shows the three-dimensional structure when the connection device 10 and the endoscope main mirror 20 in the first embodiment are connected, and Figure 9 schematically shows the three-dimensional structure of the endoscope secondary mirror 30 in the first embodiment.

[0035] In the first embodiment, when the third connecting part 400 of the endoscope daughter microscope 30 has an insertion block structure, the first connecting part 100 of the connecting device 10 has a socket structure, and the first connecting part 100 and the second connecting part 200 may be connected and fixed with a bolt 500, or may be directly molded as a single piece during manufacturing. The first connecting part 100 has an insertion groove 110 that matches the shape of the third connecting part 400 of the endoscope daughter microscope 30, so that the third connecting part 400 of the endoscope daughter microscope 30 can be inserted into the insertion groove 110 to fix the endoscope daughter microscope 30 in an insertion manner.

[0036] When in use, the connection device 10 and the endoscope daughter scope 30 can be connected by directly inserting the third connection part 400 of the endoscope daughter scope 30 into the insertion groove 110 of the first connection part 100 .

[0037] 1, 3, and 5, in the first embodiment, the connection device 10 further includes a position limiting member 120. The position limiting member 120 limits the position of the endoscope daughter scope 30 when the third connection part 400 is inserted into the insertion groove 110, thereby making the connection between the endoscope daughter scope 30 and the connection device 10 stronger and less likely to come loose.

[0038] Various configurations may be employed for position limiting member 120. For example, an elastic protrusion may be provided on the side wall of insertion groove 110, and when third connecting portion 400 of endoscope daughter scope 30 is inserted into insertion groove 110, the elastic protrusion may protrude to limit the position of third connecting portion 400. For example, if a pin hole is provided in third connecting portion 400 of endoscope daughter scope 30, a pin structure may be employed, and pin holes may also be provided in first connecting portion 100 at positions corresponding to the pin holes in third connecting portion 400, and pin shafts may be inserted into the two pin holes to limit the position, thereby achieving insertion and fixation of endoscope daughter scope 30.

[0039] Referring to Figure 3, Figure 3 schematically shows the internal three-dimensional structure of the first connection portion 100 in the first embodiment, and also shows one preferred structural form of the position limiting member 120 in the first embodiment, which structural form corresponds to the case where a position limiting groove 410 is provided in the third connection portion 400 of the endoscope mirror 30.

[0040] Specifically, in the first embodiment, first connecting part 100 is provided with a position limiting hole 130 communicating with insertion groove 110. This position limiting hole 130 penetrates the inner wall of first connecting part 100 and has a generally track-shaped hole shape. Position limiting member 120 includes a position limiting post 121. Position limiting post 121 is inserted into position limiting hole 130 and is installed so as to protrude into insertion groove 110 relative to position limiting hole 130, i.e., inserted into position limiting hole 130 and insertion groove 110. Position limiting post 121 is movable between a first position and a second position relative to position limiting hole 130. In the first position, position limiting post 121 can limit the position of endoscope daughter microscope 30 within insertion groove 110. In the second position, position limiting post 121 can release endoscope daughter microscope 30 to separate from insertion groove 110.

[0041] Furthermore, the position limiting member 120 further includes a position limiting block 124, a return spring 122, and a pressing portion 123, and the position limiting pillar 121 is provided on the position limiting block 124, and the return spring 122 and the pressing portion 123 are provided on both sides of the position limiting block 124, respectively.

[0042] One end of the return spring 122 abuts against the first connection part 100, and the other end abuts against the position limiting block 124. The return spring 122 applies pressure to the position limiting block 124, and the elasticity of the return spring 122 itself presses the position limiting column 121 to the first position, thereby ensuring the stability of the position limit.

[0043] The pressing portion 123 applies a driving force opposite to the pressure to the position limiting block 124, thereby moving the position limiting block 124 and driving the position limiting column 121 to move to the second position, and by pressing the pressing portion 123, the release of the endoscope mirror 30 can be achieved.

[0044] The position limiting member 120 mainly uses the elastic force of the return spring 122 to press the position limiting post 121 to the first position, thereby engaging the position limiting post 121 with the position limiting groove 410 of the third connecting part 400, thereby restricting the third connecting part 400 within the insertion groove 110. When releasing, the pressing part 123 resists the elastic force of the return spring 122, causing the position limiting post 121 to move to the second position and disengage from the position limiting groove 410, thereby disengaging the third connecting part 400 from the insertion groove 110 and realizing the release of the endoscope 30.

[0045] More specifically, the position limiting block 124 has a groove structure or a protruding base structure at one end to secure the return spring 122. When a groove structure is used, one end of the return spring 122 is inserted into the groove to secure it, and when a protruding base structure is used, one end of the spring is looped around the protruding base to secure it. The other end of the return spring 122 abuts against the side wall of the first connecting part 100, compressing the return spring 122 to a certain extent, so that its elastic force constantly acts on the position limiting block 124. The other end of the position limiting block 124 is connected to the pressing part 123, so that by pressing the pressing part 123, the position limiting block 124 is moved against the elastic force of the return spring 122. The side of the position limiting block 124 is connected to the position limiting post 121, and the position limiting post 121 is inserted into the position limiting hole 130 and then inserted from the position limiting hole 130 into the insertion groove 110, and the position limiting post 121 is inserted into the appropriate position of the position limiting groove 410, thereby realizing positional restriction for the third connection part 400.

[0046] Specifically, refer to Fig. 5, which shows a schematic exploded view of the part structure of the position limiting member 120 in the first embodiment. In the first embodiment, a guide groove 125 is provided at the end of the position limiting block 124 facing the return spring 122, and a guide pillar 126 is provided in the guide groove 125. One end of the return spring 122 is installed in the guide groove 125 and is annularly mounted on the guide pillar 126.

[0047] In some embodiments, the first connecting part 100 and the second connecting part 200 are connected to form a chamber with an opening on one side therebetween, the chamber communicating with the position limiting hole 130, the position limiting block 124 and the return spring 122 both located in the chamber, the position limiting post 121 inserted from the chamber into the position limiting hole 130 and from the position limiting hole 130 into the insertion groove 110. The pressing part 123 is inserted into the chamber through the opening and connected to the position limiting block 124 located inside the chamber. This structure makes the spatial layout of the connection device 10 more rational, contributes to the miniaturization of the device, and facilitates connection and operation.

[0048] Referring to Figure 6, Figure 6 schematically illustrates the structure of the third connecting part 400 in the first embodiment. The third connecting part 400 is a structural component of the endoscope daughter scope 30 that is compatible with the connecting device 10 of this embodiment, and the third connecting part 400 cooperates with the first connecting part 100 of the connecting device 10. Specifically, the third connecting part 400 is provided with a position limiting groove 410, and when the third connecting part 400 is inserted into the insertion groove 110, the position limiting post 121 cooperates with the position limiting groove 410 to achieve position limiting. Specifically, the position limiting post 121 is engaged in the position limiting groove 410 to achieve position limiting for the third connecting part 400, thereby achieving insertion and fixation between the endoscope daughter scope 30 and the connecting device 10.

[0049] Furthermore, the third connector 400 further includes an assembly groove 411 communicating with the position limiting groove 410. When the third connector 400 is inserted into the insertion groove 110 along the insertion direction Y, the slanted edge of the assembly groove 411 presses the position limiting post 121 of the position limiting member 120, driving the position limiting post 121 to move to the second position, so that the third connector 400 is always in a released state and can be freely inserted into the insertion groove 110.

[0050] Specifically, one edge of the assembly groove 411 is inclined with respect to the insertion direction Y, so that when the third connector 400 is inserted into the insertion groove 110, the edge of the assembly groove 411 can push the position limiting post 121 to move it to the second position, so that the position limiting post 121 does not interfere with the insertion of the third connector 400. The position limiting groove 410 communicates with the assembly groove 411 and is located at the end of the assembly groove 411 in the insertion direction. The position limiting post 121 enters the position limiting groove 410 via the assembly groove 411 and moves to a first position within the position limiting groove 410. As a result, when the third connecting part 400 is inserted into a predetermined position within the insertion groove 110, the position limiting post 121 is also engaged within the position limiting groove 410. At this time, the assembly groove 411 no longer applies a pressing force to the position limiting post 121, and the position limiting post 121 is moved to the first position by the drive of the return spring 122, thereby limiting the position of the third connecting part 400.

[0051] In some embodiments, when the endoscope microscope 30 to which the connection device 10 corresponds is provided with a grooved socket structure, the connection device 10 is provided with an insertion block structure, and the endoscope microscope 30 can be inserted and fixed by connecting the grooved socket structure and the insertion block structure.

[0052] Furthermore, a position limiting groove is provided on the insertion block structure of the connection device 10, and a position limiting member is provided on the socket structure of the endoscope daughter scope 30. Specific embodiments and structural forms have been described in the first embodiment. In this embodiment, the principle of position limiting is the same as in the first embodiment, and a similarly stable connection can be achieved by exchanging the positions of the first connection part 100 and the third connection part 400 and installing them on the endoscope daughter scope 30 and the connection device 10 in an appropriate manner, so a description thereof will be omitted here.

[0053] 1 , in some embodiments, the radial cross section of the receiving groove 210 has an arc shape, which means that the outline of the cross section has an arc shape, and it need only be approximately arc-shaped, not necessarily a perfect geometric shape. The diameter of the cross section gradually changes from one end of the receiving groove 210 to the other end in the axial direction X of the receiving groove 210, allowing the receiving groove 210 to match the shape of the endoscope primary scope 20. Specifically, the diameter of the cross section of the receiving groove 210 gradually decreases from the proximal end to the distal end in the axial direction, allowing the receiving groove 210 to match the shape of the endoscope primary scope 20.

[0054] The design of the varying inner diameter of the accommodation groove 210 can contribute to an increase in the contact area with the endoscope main scope 20, an improvement in connection strength, and a stable connection.

[0055] Furthermore, the band 300 is an elastic band 300, and when the band 300 is connected to the fixing part 220, the band 300 is in a stretched state, which improves the binding force to the endoscope main scope 20 and improves stability.

[0056] 7 to 9, the endoscope connecting system includes the above-mentioned connecting device 10 and an endoscope sub-scope 30, and the endoscope sub-scope 30 includes a third connecting part 400, which is connected to the first connecting part 100 to connect and fix the endoscope sub-scope 30 and the connecting device 10.

[0057] The endoscope connecting system has all the technical features and corresponding beneficial effects of the above connecting device, so the description will be omitted here.

[0058] Furthermore, in some embodiments, the endoscope connection system further includes an endoscope main scope 20, which is housed in the housing groove 210 and is fastened and fixed by binding with a band 300.

[0059] In some embodiments, the first connection part 100 has an insertion groove 110, and the third connection part 400 is inserted into the insertion groove 110 to connect and fix the endoscope 30 and the connection device 10.

[0060] Specifically, connection device 10 further includes position limiting member 120. When third connection part 400 is inserted into insertion groove 110, position limiting member 120 limits the position of third connection part 400, thereby connecting and fixing endoscope daughter scope 30 to connection device 10. Third connection part 400 is provided with position limiting groove 410, and when third connection part 400 is inserted into insertion groove 110, position limiting post 121 of position limiting member 120 moves to a first position and engages in position limiting groove 410, thereby limiting the position of third connection part 400 through engagement between position limiting post 121 and position limiting groove 410. When position limiting post 121 moves from the first position to the second position, position limiting post 121 disengages from position limiting groove 410, thereby releasing third connection part 400 from insertion groove 110 and releasing endoscope daughter scope 30.

[0061] In some embodiments, the third connecting part 400 is further provided with an assembly groove 411, which communicates with the position limiting groove 410 and has a sloped edge. When the third connecting part 400 moves into the insertion groove 110, the return spring 122 of the position limiting member 120 presses the position limiting post 121 against the edge, and the sloped edge guides the movement of the position limiting post 121 to lock the position limiting post 121 into the position limiting groove 410. As a result, the engagement between the position limiting post 121 and the position limiting groove 410 restricts the position of the third connecting part 400, and the endoscope 30 and the connecting device 10 are connected and fixed.

[0062] In some embodiments, by pressing the pressing portion 123 of the position limiting member 120, the position limiting post 121 is disengaged from the position limiting groove 410, releasing the third connecting portion 400 from the insertion groove 110, thereby releasing the endoscope 30.

[0063] The above structure and technical effects have been described in detail when describing the connection device 10, so a detailed description thereof will be omitted here.

[0064] In the above embodiments, the description of each embodiment focuses on different parts, and for parts that are not described in detail in one embodiment, reference can be made to the relevant description of other embodiments.

[0065] The above describes in detail the connecting device and endoscope connecting system according to the embodiments of the present invention, and uses specific examples to explain the principles and embodiments of the present invention. The above explanation of the embodiments is only intended to facilitate understanding of the technical solutions and core ideas of the present invention. Those skilled in the art will understand that the technical solutions described in the above embodiments may be modified or some of the technical features therein may be equivalently replaced. These modifications or replacements do not deviate from the essence of the technical solutions and the scope of the technical solutions of the embodiments of the present invention. [Explanation of symbols]

[0066] 10 Connecting Devices 20 Endoscope 30 Endoscope 100 First connection part 110 Insertion groove 120 Position limiting member 121 Position restriction pillar 122 Return spring 123 Pressing part 124 Position Restriction Block 125 Guide groove 126 Guide Pillar 130 Position limiting hole 200 Second connection part 210 Storage groove 220 Fixed part 300 bands 400 Third Connection 410 Position limiting groove 411 Assembly groove 500 volts

Claims

1. A connection device for connecting an endoscope main scope (20) and an endoscope secondary scope (30), The device includes a first connecting portion (100), a second connecting portion (200), and a band (300), The first connecting portion (100) is for connecting and fixing the endoscope (30), The second connecting portion (200) is connected to the first connecting portion, and a receiving groove (210) is formed on a surface of the second connecting portion (200) away from the first connecting portion (100), and the receiving groove (210) is for receiving the endoscope main scope (20). A fixing portion (220) is provided on the second connecting portion (200), and the fixing portion (220) is located on one side of the receiving groove (210). One end of the band (300) is connected to the second connecting portion (200) and is located on the side of the accommodation groove (210) away from the fixing portion (220), and the other end of the band (300) is detachably connected to the fixing portion (220) to fix the endoscope main scope (20) in the accommodation groove (210). A connection device characterized by:

2. The first connecting portion (100) is provided with an insertion groove (110), and the insertion groove (110) is for fixing the endoscope (30) by inserting the endoscope (30) into the insertion groove (110).

2. The connection device according to claim 1.

3. The connection device (10) further includes a position limiting member (120), which is configured to limit the position of the endoscope (30) when the endoscope (30) is inserted into the insertion groove (110).

3. The connection device according to claim 2.

4. The first connecting portion (100) is provided with a position limiting hole (130) communicating with the insertion groove (110), The position limiting member (120) includes a position limiting post (121), and the position limiting post (121) is inserted into the position limiting hole (130) and the insertion groove (110); The position limiting column (121) is movable between a first position and a second position relative to the position limiting hole (130). In the first position, the position limiting column (121) can limit the position of the endoscope microscope (30) inside the insertion groove (110). In the second position, the position limiting column (121) can release the endoscope microscope (30) and separate it from the insertion groove (110).

4. The connection device according to claim 3.

5. The position limiting member (120) further includes a position limiting block (124), a return spring (122), and a pressing portion (123), the position limiting pillar (121) is provided on the position limiting block (124), and the return spring (122) and the pressing portion (123) are provided on both sides of the position limiting block (124), respectively; the return spring (122) is configured to apply pressure to the position limiting block (124) to urge the position limiting post (121) toward the first position; The pressing portion (123) is configured to apply a driving force to the position limiting block (124) opposite to the pressure, thereby moving the position limiting block (124) and driving the position limiting column (121) to the second position.

5. The connection device according to claim 4.

6. A guide groove (125) is provided at the end of the position limiting block (124) facing the return spring (122), a guide post (126) is provided in the guide groove (125), and one end of the return spring (122) is provided in the guide groove (125) and is annularly mounted on the guide post (126).

6. The connection device according to claim 5.

7. The receiving groove (210) has a cross section in the radial direction that is arc-shaped, The diameter of the cross section of the accommodation groove (210) gradually decreases from the proximal end to the distal end in the axial direction, thereby allowing the accommodation groove (210) to be adapted to the shape of the endoscope main scope (20).

2. The connection device according to claim 1.

8. The connecting device (10) according to any one of claims 1 to 7 and an endoscope (30), The endoscope sub-scope (30) includes a third connecting portion (400), and the third connecting portion (400) is connected to the first connecting portion (100), thereby connecting and fixing the endoscope sub-scope (30) and the connecting device (10). An endoscope connection system characterized by:

9. The endoscope further includes an endoscope main scope (20), and the endoscope main scope (20) is accommodated in the accommodation groove (210) and is fastened and fixed by the band (300).

9. An endoscope connection system according to claim 8.

10. The first connecting portion (100) is provided with an insertion groove (110), and the third connecting portion (400) is inserted into the insertion groove (110), thereby connecting and fixing the endoscope (30) and the connecting device (10).

9. An endoscope connection system according to claim 8.

11. The connection device (10) further includes a position limiting member (120), which is configured to connect and fix the endoscope (30) and the connection device (10) by limiting the position of the third connection part (400) when the third connection part (400) is inserted into the insertion groove (110). The endoscope connection system according to claim 10 .

12. The third connecting portion (400) is provided with a position limiting groove (410), When the third connecting part (400) is inserted into the insertion groove (110), the position limiting post (121) of the position limiting member (120) can be locked into the position limiting groove (410), and the engagement between the position limiting post (121) and the position limiting groove (410) restricts the position of the third connecting part (400); The position limiting post (121) is detached from the position limiting groove (410), thereby releasing the third connecting portion (400) from the insertion groove (110), thereby releasing the endoscope (30). The endoscope connection system according to claim 11 .

13. The third connecting portion (400) is further provided with an assembly groove (411), which communicates with the position limiting groove (410) and has an inclined edge; When the third connecting portion (400) moves into the insertion groove (110), the return spring (122) of the position limiting member (120) presses the position limiting post (121) against the edge portion, and the edge portion guides the movement of the position limiting post (121), thereby locking the position limiting post (121) in the position limiting groove (410). The endoscope connection system according to claim 12 .

14. By pressing the pressing portion (123) of the position limiting member (120), the position limiting post (121) is detached from the position limiting groove (410), and the third connecting portion (400) is released from the insertion groove (110).

14. An endoscope connecting system according to claim 12 or 13.

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