Endoscope bending mechanism and endoscope bending device

Abstract

The present invention discloses an endoscope bending mechanism and an endoscope bending device. By rotating a first adapter, a rotating wheel is driven to rotate in a first mounting shell, so that the rotating wheel reels in a first adjustment rope or a second adjustment rope, thereby forming a rope length difference between the first adjustment rope and the second adjustment rope, and further enabling the insertion portion to achieve a bending operation. Since the bending structure and the first adapter are both located in the first mounting shell, and the first mounting shell and the second mounting shell are detachably connected, the bending part and the control part in the endoscope bending device are completely separated, and respectively constitute two independent structures. In this way, after the endoscope bending device is used, only the first mounting shell and the second mounting shell need to be separated, and the bending part can be replaced separately, so that the endoscope bending device can achieve partial structural replacement, which greatly saves medical resources, reduces the cost of using the endoscope, and thus reduces the cost of patient testing.

Description

Technical Field

[0001] The present invention relates to the technical field of medical equipment, and in particular to an endoscope bending mechanism and an endoscope bending device. Background Art

[0002] As a medical detection device, the endoscope is a precision instrument that integrates traditional optics, ergonomics, precision machinery, modern electronics, mathematics, and software. The insertion part equipped with a camera is inserted into the human body, and the lesion tissue is visually observed through the camera, so that medical staff can accurately obtain the location and real-time status of the lesion tissue. In order to observe different angles of the lesion tissue, it is necessary to bend the insertion part in the human body through a bending device so that the camera can capture the lesion tissue at different angles.

[0003] The bending device usually includes a bending part and a handle control part. The handle control part drives the bending part so that the insertion part connected to the bending part is bent, thereby completing the multi-angle shooting of the camera. However, the bending part and the handle control part in the traditional bending device are an integrated connection structure, which is a disposable consumer product in medical testing equipment. After a test is completed, the traditional bending part cannot be replaced alone, and the handle control part and the bending part can only be replaced together. This not only leads to a serious waste of medical resources, but also increases the cost of using the endoscope, thereby causing a serious increase in the cost of patient testing. Summary of the invention

[0004] Based on this, it is necessary to provide an endoscope bending mechanism and an endoscope bending device that can be replaced separately, saving medical resources, reducing the cost of using the endoscope, and alleviating the cost of patient testing.

[0005] The technical solution is as follows:

[0006] An endoscope bending mechanism comprises: a first mounting shell, on which a first adapter interface and a wire outlet are provided, and the first mounting shell is used to be detachably connected to a second mounting shell on a control mechanism; a bending structure, which comprises a rotating wheel, and a first adjustment rope and a second adjustment rope respectively connected to the rotating wheel, the rotating wheel is rotatably mounted in the first mounting shell, and the first adjustment rope and the second adjustment rope are both used to be connected to an insertion portion through the wire outlet; and a first adapter, which is rotatably mounted in the first mounting shell, one end of the first adapter is used to cooperate with the rotating wheel in transmission, and the other end of the first adapter is used to cooperate with the second adapter on the control mechanism in transmission through the first adapter interface.

[0007] The above-mentioned endoscope bending mechanism drives the rotating wheel to rotate in the first mounting shell by rotating the first adapter, so that the rotating wheel reels the first adjustment rope or the second adjustment rope, thereby forming a rope length difference between the first adjustment rope and the second adjustment rope, and then the insertion part realizes a bending operation. Since the bending structure and the first adapter are both located in the first mounting shell, and the first mounting shell and the second mounting shell are detachably connected, the bending part and the control part in the endoscope bending device are completely separated, and respectively constitute two independent structures. In this way, when the endoscope bending device is used, it is only necessary to separate the first mounting shell from the second mounting shell, and the bending part can be replaced separately, so that the endoscope bending device can realize partial structural replacement, which greatly saves medical resources, reduces the cost of using the endoscope, and thus reduces the cost of patient detection. At the same time, the first adapter cooperates with the second adapter through the first adapter interface. Therefore, when the first mounting shell is connected to the second mounting shell, the first adapter cooperates with the second adapter, so that the bending part and the control part of the endoscope bending device are organically combined to complete the functional cooperation, thereby making the assembly operation of the endoscope bending device more convenient.

[0008] The principle and effect of the present invention are further described below in combination with the above scheme:

[0009] In one embodiment, the endoscope bending mechanism further includes a transmission structure, wherein the transmission structure is located in the first mounting shell, and one end of the first adapter cooperates with the rotating wheel through the transmission structure.

[0010] In one embodiment, the transmission structure includes a first transmission tooth and a second transmission tooth meshing with each other, the first transmission tooth is connected to the first adapter, and the second transmission tooth is connected to the rotating wheel.

[0011] In one embodiment, a support shaft is disposed in the first mounting shell, and the rotating wheel and the first transmission gear are both sleeved on the support shaft.

[0012] In one embodiment, both the first transmission tooth and the second transmission tooth are bevel gears.

[0013] In one embodiment, a first limiting portion is provided on an end of the first adapter away from the rotating wheel, and when one end of the first adapter is used to be sleeved on the outside or inside of the second adapter, the first limiting portion is used to cooperate with the second limiting portion on the second adapter.

[0014] In one embodiment, the endoscope bending mechanism further includes a first bearing, wherein the first bearing is mounted in the first mounting shell, and the first adapter is mounted on the first bearing.

[0015] In one embodiment, the bending structure also includes a fixing member and a pressure cover, and a bending groove and an installation groove are provided on the opposite side surfaces of the rotating wheel. The fixing member is located in the installation groove, and the pressure cover is connected to the rotating wheel and covers the installation groove. The first adjustment rope and the second adjustment rope are respectively arranged along the bending groove from the opposite sides of the rotating wheel around the installation groove and are both connected to the fixing member.

[0016] In one embodiment, the first mounting shell includes a first shell and a second shell, the first shell cover is arranged on the second shell, and the wire outlet and the first adapter are both arranged on the first shell and / or the second shell.

[0017] An endoscope bending device comprises a control mechanism and the endoscope bending mechanism described in any one of the above items, wherein the control mechanism comprises a second mounting shell, and a handle and a second adapter which are rotatably mounted on the second mounting shell, a second adapter interface being provided on the second mounting shell, one end of the second adapter being in transmission cooperation with the handle, and the other end of the second adapter being in transmission cooperation with the first adapter via the second adapter interface.

[0018] The above-mentioned endoscope bending device adopts the above-mentioned endoscope bending mechanism, and drives the rotating wheel to rotate in the first mounting shell by rotating the first adapter, so that the rotating wheel reels the first adjustment rope or the second adjustment rope, thereby forming a rope length difference between the first adjustment rope and the second adjustment rope, and then the insertion part realizes the bending operation. Since the bending structure and the first adapter are both located in the first mounting shell, and the first mounting shell and the second mounting shell are detachably connected, the bending part and the control part in the endoscope bending device are completely separated, and respectively constitute two independent structures. In this way, when the endoscope bending device is used, it is only necessary to separate the first mounting shell from the second mounting shell, and the bending part can be replaced separately, so that the endoscope bending device can realize partial structural replacement, which greatly saves medical resources, reduces the cost of using endoscopes, and thus reduces the cost of patient testing. At the same time, the first adapter cooperates with the second adapter through the first adapter interface. Therefore, when the first mounting shell is connected to the second mounting shell, the first adapter cooperates with the second adapter, so that the bending part and the control part of the endoscope bending device are organically combined to complete the functional cooperation, thereby making the assembly operation of the endoscope bending device more convenient.

[0019] In one embodiment, the endoscope bending device also includes a transmission member, and a third transmission tooth and a fourth transmission tooth that are meshed with each other, the third transmission tooth is connected to the handle, the fourth transmission tooth is connected to the transmission member, and the transmission member is in transmission cooperation with the second adapter at one end away from the handle.

[0020] In one of the embodiments, the endoscope bending device also includes a rotating shaft rotatably mounted in the second mounting shell, one end of the rotating shaft is connected to the transmission member, and the other end of the rotating shaft is connected to the second adapter.

[0021] In one embodiment, a first positioning portion is provided on the first mounting shell, and a second positioning portion that is positioned and matched with the first positioning portion is provided on the second mounting shell.

[0022] In one embodiment, the second mounting shell includes a third shell and a fourth shell, the third shell cover is arranged on the fourth shell, and the second adapter is arranged on the third shell and / or the fourth shell. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A schematic diagram of an endoscope bending mechanism according to an embodiment of the present invention;

[0024] Figure 2 It is an exploded schematic diagram of an endoscope bending mechanism according to an embodiment of the present invention;

[0025] Figure 3 This is a schematic diagram of the first shell structure according to an embodiment of the present invention;

[0026] Figure 4 It is an exploded schematic diagram of a bending structure according to an embodiment of the present invention;

[0027] Figure 5 This is a schematic structural diagram of an endoscope bending device according to an embodiment of the present invention;

[0028] Figure 6 It is a schematic cross-sectional view of the structure of an endoscope bending device according to an embodiment of the present invention;

[0029] Figure 7 An exploded schematic diagram of a control mechanism according to an embodiment of the present invention;

[0030] Figure 8 It is a schematic structural diagram of a second adapter according to an embodiment of the present invention.

[0031] Description of reference numerals:

[0032] 100, endoscope bending mechanism, 110, first mounting shell, 111, first shell, 112, second shell, 113, first adapter, 114, outlet, 115, first positioning portion, 116, support shaft, 117, support seat, 118, resistance, 119, first bearing seat, 1191, first shaft hole, 120, bending structure, 121, rotating wheel, 1211, bending groove, 1212, mounting groove, 1213, connecting shaft, 122, first adjusting rope, 123, second adjusting rope, 124, first rope loop, 125, second rope loop, 126, pressure cover, 127, fixing member, 130, first adapter, 131, first limiting portion, 132, first bearing, 140, transmission structure, 141, first transmission tooth, 142. second transmission tooth, 150. end cover, 160. connector, 200. control mechanism, 210. second mounting shell, 211. third shell, 212. fourth shell, 213. second adapter, 214. second positioning portion, 215. mounting hole, 216. second bearing seat, 2161. second shaft hole, 217. third bearing seat, 2171. third shaft hole, 220. handle, 221. fourth bearing, 222. bearing cover, 223. third transmission tooth, 230. second adapter, 231. connecting hole, 232. second limiting portion, 240. transmission member, 241. fourth transmission tooth, 250. rotating shaft, 251. first coupling, 252. second bearing, 253. third bearing, 254. second coupling. DETAILED DESCRIPTION

[0033] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods. It should be understood that the specific implementation methods described herein are only used to explain the present invention and do not limit the scope of protection of the present invention.

[0034] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only and do not represent the only implementation method.

[0035] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0036] The “first” and “second” mentioned in the present invention do not represent specific quantities and orders, but are merely used to distinguish names.

[0037] In one embodiment, please refer to Figure 1 , Figure 2 and Figure 7 An endoscope bending mechanism 100 includes: a first mounting shell 110, a bending structure 120 and a first adapter 130. The first mounting shell 110 is provided with a first adapter port 113 and a wire outlet 114, and the first mounting shell 110 is used to be detachably connected with the second mounting shell 210 on the control mechanism 200. The bending structure 120 includes a rotating wheel 121, and a first adjustment rope 122 and a second adjustment rope 123 respectively connected to the rotating wheel 121. The rotating wheel 121 is rotatably mounted in the first mounting shell 110. The first adjustment rope 122 and the second adjustment rope 123 are both used to connect with the insertion part through the wire outlet 114. The first adapter 130 is rotatably mounted in the first mounting shell 110, one end of the first adapter 130 is transmission-matched with the rotating wheel 121, and the other end of the first adapter 130 is transmission-matched with the second adapter 230 on the control mechanism 200 through the first adapter port 113.

[0038] The above-mentioned endoscope bending mechanism 100 drives the rotating wheel 121 to rotate in the first mounting shell 110 by rotating the first adapter 130, so that the rotating wheel 121 reels the first adjustment rope 122 or the second adjustment rope 123, thereby forming a rope length difference between the first adjustment rope 122 and the second adjustment rope 123, and then the insertion part realizes the bending operation. Since the bending structure 120 and the first adapter 130 are both located in the first mounting shell 110, and the first mounting shell 110 and the second mounting shell 210 are detachably connected, the bending part and the control part in the endoscope bending device are completely separated and constitute two independent structures respectively. In this way, when the endoscope bending device is used, only the first mounting shell 110 and the second mounting shell 210 need to be separated, and the bending part can be replaced separately, so that the endoscope bending device can realize partial structural replacement, which greatly saves medical resources, reduces the use cost of the endoscope, and thus reduces the cost of patient detection. At the same time, the first adapter 130 is coupled with the second adapter 230 through the first adapter interface 113. Therefore, when the first mounting shell 110 is connected to the second mounting shell 210, the first adapter 130 is coupled with the second adapter 230, so that the bending part and the control part of the endoscope bending device are organically combined to complete the functional coordination, thereby making the assembly operation of the endoscope bending device more convenient.

[0039] It should be noted that the insertion part of this embodiment is the part that needs to be inserted into the human body during surgery. The structure integrates equipment such as an objective lens, a beam cover glass, and a nozzle. Since the insertion part is not a structure to be protected by this solution, the specific structure of the insertion part is not described in detail here. At the same time, the specific bending principle of the insertion part is a prior art and is not described in detail here.

[0040] It should also be noted that there are two ways to understand that the other end of the first adapter 130 of this embodiment passes through the first adapter port 113: one, the other end of the first adapter 130 extends out of the first adapter port 113; two, the other end of the first adapter 130 does not extend out of the first adapter port 113, that is, the other end of the first adapter 130 is inside the first adapter port 113. When the other end of the first adapter 130 does not extend out of the first adapter port 113, the second adapter 230 will extend into the first adapter port 113 and cooperate with the first adapter 130 in transmission.

[0041] Optionally, the transmission cooperation mode of the first adapter 130 and the rotating wheel 121 can be: the first adapter 130 and the rotating wheel 121 are directly transmitted and cooperated, for example, the first adapter 130 and the rotating wheel 121 are coaxially connected; or the first adapter 130 and the rotating wheel 121 are indirectly transmitted and cooperated, for example, the first adapter 130 and the rotating wheel 121 are transmitted through gears. It should be noted that when the first adapter 130 and the rotating wheel 121 are coaxially connected, the position of the first adapter 130 has two states: first, the first adapter 130 extends from a side surface of the first mounting shell 110, that is, from Figure 2 The first housing 111 is extended from the first housing 110. At this time, the first mounting housing 110 and the second mounting housing 210 are vertical or approximately vertical when assembled. Second, the first adapter 130 still extends from the end of the first mounting housing 110. At this time, the installation position of the rotating wheel 121 needs to be from Figure 2 The middle installation position is flipped 90°. In order to make the first adjustment rope 122 and the second adjustment rope 123 extend from the outlet 114, a guide wheel needs to be provided in the first installation shell 110 to change the direction of the first adjustment rope 122 and the second adjustment rope 123.

[0042] Similarly, there are two ways of transmission cooperation between the first adapter 130 and the second adapter 230: 1. direct transmission cooperation, that is, a coaxial connection method is adopted; 2. indirect transmission cooperation, a gear transmission is adopted between the two.

[0043] Optionally, the implementation methods of the detachable connection between the first mounting shell 110 and the second mounting shell 210 include: a snap-on structure is provided between the first mounting shell 110 and the second mounting shell 210 to achieve a snap-on connection; or, a ring sleeve is provided on the second mounting shell 210, the ring sleeve is provided with an internal thread, and the first mounting shell 110 is provided with an external thread.

[0044] For further information, please refer to Figure 2 The endoscope bending mechanism 100 further includes a transmission structure 140. The transmission structure 140 is located in the first mounting shell 110. One end of the first adapter 130 is in transmission cooperation with the rotating wheel 121 through the transmission structure 140. It can be seen that the transmission between the first adapter 130 and the rotating wheel 121 of this embodiment is indirect transmission. Through the transmission structure 140, the first adapter 130 can stably drive the rotating wheel 121 to rotate in the first mounting shell 110. Among them, the transmission structure 140 can be a gear transmission structure 140 or a crank slider mechanism.

[0045] For further information, please refer to Figure 2 The transmission structure 140 includes a first transmission tooth 141 and a second transmission tooth 142 that mesh with each other. The first transmission tooth 141 is connected to the first adapter 130. The second transmission tooth 142 is connected to the rotating wheel 121. In this way, when the first adapter 130 rotates and drives the first transmission tooth 141 to rotate, the first transmission tooth 141 also drives the second transmission tooth 142 to rotate. Since the second transmission tooth 142 is connected to the rotating wheel 121, the second transmission tooth 142 after rotation also drives the rotating wheel 121 to rotate, thereby realizing the operation of the endoscope bending mechanism 100.

[0046] Optionally, the first transmission tooth 141 is connected to the first adapter 130 by bolt connection, pin connection, key connection or other connection methods; the second transmission tooth 142 is connected to the rotating wheel 121 by bolt connection, pin connection, key connection or other connection methods.

[0047] Optionally, the first transmission teeth 141 and the second transmission teeth 142 can be bevel gears or spur gears. When the first transmission teeth 141 and the second transmission teeth 142 are spur gears, the position of the first adapter 130 also has two states: 1. The first adapter 130 extends from a side surface of the first mounting shell 110, that is, from Figure 2 1. The first mounting shell 110 and the second mounting shell 210 are vertical or approximately vertical when assembled. 2. The first adapter 130 still extends from the end of the first mounting shell 110. At this time, in order to make the first adjustment rope 122 and the second adjustment rope 123 extend from the outlet 114, a guide wheel needs to be provided in the first mounting shell 110 to change the direction of the first adjustment rope 122 and the second adjustment rope 123.

[0048] Specifically, please refer to Figure 2The first transmission teeth 141 and the second transmission teeth 142 are both bevel gears. In this way, the rotation directions of the first adapter 130 and the rotating wheel 121 are changed by the first transmission teeth 141 and the second transmission teeth 142, so that the transmission cooperation between the first adapter 130 and the rotating wheel 121 is more convenient, thereby making the structural combination of the endoscope bending mechanism 100 more compact, which is beneficial to improving the structural stability of the endoscope bending device.

[0049] In one embodiment, please refer to Figure 2 and Figure 6 , a support shaft 116 is provided in the first mounting shell 110. The rotating wheel 121 and the first transmission tooth 141 are both sleeved on the support shaft 116. In this way, the rotating wheel 121 and the first transmission tooth 141 are stably rotated through the support shaft 116. Specifically in this embodiment, a connecting shaft 1213 is provided on the rotating wheel 121, and the first transmission tooth 141 is sleeved on the connecting shaft 1213 and rotates synchronously with the connecting shaft 1213. Among them, the synchronous rotation of the first transmission tooth 141 and the connecting shaft 1213 can be achieved by: through a key connection; or the cross-section of one end of the connecting shaft 1213 is non-circular, and a non-circular hole is also opened on one end of the first transmission tooth 141. For example, the cross-section of one end of the connecting shaft 1213 is in the shape of a triangle, a quadrilateral, a polygon, an ellipse, etc.; a triangular hole, a quadrilateral hole, a polygonal hole, an elliptical hole, etc. is provided on one end of the first transmission tooth 141.

[0050] In one embodiment, please refer to Figure 1 and Figure 8 , a first limiting portion 131 is provided on one end of the first adapter 130 away from the rotating wheel 121. When one end of the first adapter 130 is used to be sleeved on the outside or inside of the second adapter 230, the first limiting portion 131 is used to limit and cooperate with the second limiting portion 232 on the second adapter 230. It can be seen that during the assembly process of the endoscope bending device, when the first mounting shell 110 is connected to the second mounting shell 210, the first adapter 130 is sleeved on the second adapter 230, and the first limiting portion 131 and the second limiting portion 232 are limited and cooperated, so that the first adapter 130 and the second adapter 230 can achieve stable transmission. At the same time, this embodiment adopts a sleeve connection method to make the first adapter 130 and the second adapter 230 cooperate, which greatly improves the assembly stability of the first adapter 130 and the second adapter 230, so that the endoscope bending mechanism 100 and the control mechanism 200 can achieve stable transmission.

[0051] It should be noted that one end of the first adapter 130 is sleeved on the outside or inside of the second adapter 230, which should be understood as: the end of the first adapter 130 is provided with a connection hole 231, and the second adapter 230 is inserted into the connection hole 231; or, the end of the second adapter 230 is provided with a connection hole 231, and the first adapter 130 is inserted into the connection hole 231. Specifically in this embodiment, the end of the second adapter 230 is provided with a connection hole 231, and the first adapter 130 is inserted into the connection hole 231, and the first limiting portion 131 is provided on the first adapter 130, and the second limiting portion 232 is provided on the hole wall of the connection hole 231.

[0052] Optionally, the first limiting portion 131 is a protrusion, and the second limiting portion 232 is a slot; or, the first limiting portion 131 is a slot, and the second limiting portion 232 is a protrusion.

[0053] In one embodiment, please refer to Figure 2 The endoscope bending mechanism 100 further includes a first bearing 132. The first bearing 132 is installed in the first mounting shell 110, and the first adapter 130 is installed on the first bearing 132. Thus, through the first bearing 132, the first adapter 130 can rotate more stably and smoothly.

[0054] For further information, please refer to Figure 1 and Figure 3 A first bearing seat 119 is provided in the first mounting shell 110, and a first bearing 132 is installed in the first bearing seat 119. The first bearing seat 119 is provided with a first axial hole 1191. The first axial hole 1191 is communicated with the first adapter port 113. The first adapter 130 passes through the first axial hole 1191 and extends into the first adapter port 113. In this way, the first adapter 130 can rotate more smoothly.

[0055] In one embodiment, please refer to Figure 2 and Figure 4 The bending structure 120 further includes a fixing member 127 and a pressure cover 126. A bending groove 1211 and a mounting groove 1212 are provided on opposite sides of the rotating wheel 121. The fixing member 127 is located in the mounting groove 1212. The pressure cover 126 is connected to the rotating wheel 121 and covers the mounting groove 1212. The first adjustment rope 122 and the second adjustment rope 123 are respectively wound around the mounting groove 1212 along the bending groove 1211 from opposite sides of the rotating wheel 121 and are both connected to the fixing member 127.

[0056] It can be seen that the first adjustment rope 122 and the second adjustment rope 123 are respectively arranged from opposite sides of the rotating wheel 121, along the bending groove 1211, around the installation groove 1212; and then the first adjustment rope 122 and the second adjustment rope 123 are respectively fixed on the fixing member 127. It can be seen that the present embodiment reasonably designs the bending structure 120, simplifies the installation method of the adjustment rope on the rotating wheel 121, and enables the first adjustment rope 122 and the second adjustment rope 123 to be quickly installed on the rotating wheel 121, greatly improving the assembly efficiency of the endoscope, thereby facilitating the use of the endoscope by medical staff. At the same time, the fixing member 127 is located in the installation groove 1212, and the pressure cover 126 covers the installation groove 1212. In this way, the fixing member 127 is pressed into the installation groove 1212 by the pressure cover 126, thereby improving the installation stability of the fixing member 127 on the installation groove 1212, and preventing the fixing member 127 from being separated from the installation groove 1212 due to fatigue failure. At the same time, providing a pressure cover 126 on the installation groove 1212 is also beneficial for the first adjustment rope 122 and the second adjustment rope 123 to fit tightly on the rotating wheel 121, which is beneficial for the endoscope bending mechanism 100 to operate more stably.

[0057] It should be noted that the present embodiment does not limit the specific materials of the first adjustment rope 122 and the second adjustment rope 123. It is only necessary that the first adjustment rope 122 and the second adjustment rope 123 can realize stable bending of the insertion portion. For example, the first adjustment rope 122 and the second adjustment rope 123 can be steel wire ropes, nylon ropes, fiber ropes or ropes made of other materials. At the same time, one end of the first adjustment rope 122 and one end of the second adjustment rope 123 can be connected together or disconnected. Among them, the connection between one end of the first adjustment rope 122 and one end of the second adjustment rope 123 can be achieved by knotting, one-piece molding, bonding or other methods. When the first adjustment rope 122 and the second adjustment rope 123 are connected together by one-piece molding, the first adjustment rope 122 and the second adjustment rope 123 are the same wire material, which is not only conducive to the rapid assembly of the endoscope bending device; at the same time, it is also conducive to reducing the production cost of the endoscope bending mechanism 100.

[0058] Optionally, the first adjustment rope 122 and the second adjustment rope 123 are both connected to the installation groove 1212 by the fixing piece 127 in the following ways: the fixing piece 127 is a bolt or a screw, and the first adjustment rope 122 and the second adjustment rope 123 are fixed in the installation groove 1212 by the bolt or the screw; or, the fixing piece 127 is an adhesive, and the first adjustment rope 122 and the second adjustment rope 123 are bonded in the installation groove 1212 by the adhesive; or, the fixing piece 127 is a snap-fit ​​structure, and the first adjustment rope 122 and the second adjustment rope 123 are snap-fitted in the installation groove 1212 by the snap-fit ​​structure, wherein, when the fixing piece 127 is a snap-fit ​​structure, the first adjustment rope 122 and the second adjustment rope 123 can be connected to the snap-fit ​​structure by knotting or by bolting or screwing.

[0059] In one embodiment, please refer to Figure 2 , the first mounting shell 110 includes a first shell 111 and a second shell 112. The first shell 111 is covered on the second shell 112, and the wire outlet 114 and the first adapter 113 are both arranged on the first shell 111 and / or the second shell 112. It can be seen that the first mounting shell 110 of this embodiment is formed by splicing the upper and lower shells, which greatly facilitates the operators to maintain and replace the parts in the first mounting shell 110. It should be noted that the wire outlet 114 and the first adapter 113 are both arranged on the first shell 111 and the second shell 112, and it should be understood that the wire outlet 114 and the first adapter 113 are arranged at the junction of the first shell 111 and the second shell 112.

[0060] For further information, please refer to Figure 2 and Figure 3 The bending structure 120 further includes a first rope loop 124 sleeved on the first adjustment rope 122, and a second rope loop 125 sleeved on the second adjustment rope 123. A support seat 117 is provided on the second housing 112, and a resisting member 118 is provided on the first housing 111. The resisting member 118 is used to press both the first rope loop 124 and the second rope loop 125 on the support seat 117, so that the first rope loop 124 and the second rope loop 125 are effectively fixed to prevent the first adjustment rope 122 and the second adjustment rope 123 from shaking during the adjustment process; at the same time, when the first adjustment rope 122 or the second adjustment rope 123 is rolled up, since both the first rope loop 124 and the second rope loop 125 are fixed and cannot be rolled up with the first adjustment rope 122 or the second adjustment rope 123, the first rope loop 124 or the second rope loop 125 is bent and deformed, so that the endoscope bending mechanism 100 is easier to achieve bending operation.

[0061] In one embodiment, please refer to Figure 2The first installation shell 110 is provided with an end cover 150, and the end cover 150 is located at the outlet 114. At the same time, a connector 160 is also provided in the first installation shell 110, and the connector 160 is used to connect the spring tube, and the first adjustment rope 122 and the second adjustment rope 123 are both inserted into the connector 160 and the spring tube.

[0062] In one embodiment, please refer to Figure 1 , Figure 2 , Figure 5 , Figure 6 and Figure 7 An endoscope bending device includes a control mechanism 200 and an endoscope bending mechanism 100 in any of the above embodiments. The control mechanism 200 includes a second mounting shell 210, and a handle 220 and a second adapter 230 that are both rotatably mounted on the second mounting shell 210. A second adapter port 213 is provided on the second mounting shell 210, and one end of the second adapter 230 is in transmission cooperation with the handle 220. The other end of the second adapter 230 is in transmission cooperation with the first adapter 130 through the second adapter port 213.

[0063] The above-mentioned endoscope bending device adopts the above-mentioned endoscope bending mechanism 100, and by rotating the first adapter 130, drives the rotating wheel 121 to rotate in the first mounting shell 110, so that the rotating wheel 121 reels the first adjustment rope 122 or the second adjustment rope 123, so that a rope length difference is formed between the first adjustment rope 122 and the second adjustment rope 123, and then the insertion part realizes the bending operation. Since the bending structure 120 and the first adapter 130 are both located in the first mounting shell 110, and the first mounting shell 110 and the second mounting shell 210 are detachably connected, the bending part and the control part in the endoscope bending device are completely separated, and respectively constitute two independent structures. In this way, when the endoscope bending device is used, only the first mounting shell 110 and the second mounting shell 210 need to be separated, and the bending part can be replaced separately, so that the endoscope bending device can realize partial structural replacement, which greatly saves medical resources, reduces the use cost of endoscopes, and thus reduces the cost of patient detection. At the same time, the first adapter 130 is coupled with the second adapter 230 through the first adapter interface 113. Therefore, when the first mounting shell 110 is connected to the second mounting shell 210, the first adapter 130 is coupled with the second adapter 230, so that the bending part and the control part of the endoscope bending device are organically combined to complete the functional coordination, thereby making the assembly operation of the endoscope bending device more convenient.

[0064] For further information, please refer to Figure 7The endoscope bending device further includes a transmission member 240, and a third transmission tooth 223 and a fourth transmission tooth 241 meshing with each other. The third transmission tooth 223 is connected to the handle 220. The fourth transmission tooth 241 is connected to the transmission member 240. The transmission member 240 is in transmission cooperation with the second adapter 230 at one end away from the handle 220. It can be seen that when the handle 220 is rotated, the transmission member 240 is driven to rotate through the third transmission tooth 223 and the fourth transmission tooth 241. Since the transmission member 240 is in transmission cooperation with the second adapter 230, the transmission member 240 after rotation will drive the second adapter 230 to rotate, so that the control mechanism 200 operates stably, thereby ensuring that the endoscope bending mechanism 100 has a stable power source.

[0065] Specifically, please refer to Figure 7 The third transmission tooth 223 and the fourth transmission tooth 241 are both bevel gears. In this way, the transmission direction is changed, so that the installation positions of the handle 220 and the transmission member 240 on the second mounting shell 210 are more compact, which is beneficial to reducing the overall structural volume of the endoscope bending device.

[0066] Optionally, the implementation method of the transmission cooperation between the transmission member 240 and the second adapter 230 is: direct transmission cooperation between the transmission member 240 and the second adapter 230, for example, the transmission member 240 and the second adapter 230 are coaxially connected; indirect transmission cooperation between the transmission member 240 and the second adapter 230, for example, the transmission between the transmission member 240 and the second adapter 230 is through a gear structure or other connection structure.

[0067] For further information, please refer to Figure 7 The endoscope bending device also includes a rotating shaft 250 rotatably mounted in the second mounting shell 210. One end of the rotating shaft 250 is connected to the transmission member 240, and the other end of the rotating shaft 250 is connected to the second adapter 230. It can be seen that the transmission member 240 and the second adapter 230 of this embodiment adopt indirect transmission cooperation, and the transmission between the transmission member 240 and the second adapter 230 is realized through the rotating shaft 250. At the same time, the rotating shaft 250 is arranged between the transmission member 240 and the second adapter 230, which is conducive to sharing the torque force on the transmission member 240, avoiding the transmission member 240 directly connected to the second adapter 230 to cause excessive torque force, thereby causing the transmission member 240 structure to be unstable, thus greatly improving the structural stability of the control mechanism 200.

[0068] Specifically, the control mechanism 200 further includes a first coupling 251 and a second coupling 254 , the transmission member 240 is connected to the rotating shaft 250 via the first coupling 251 , and the second adapter 230 is connected to the rotating shaft 250 via the second coupling 254 .

[0069] In one embodiment, please refer to Figure 7The control mechanism 200 includes a second bearing 252 and a third bearing 253. The second bearing 252 and the third bearing 253 are spaced apart and arranged in the second mounting shell 210. The rotating shaft 250 is mounted on the second bearing 252 and the third bearing 253. In this way, the transmission member 240, the rotating shaft 250 and the second adapter 230 are ensured to transmit stably.

[0070] Furthermore, the second bearing seat 216 and the third bearing seat 217 are arranged at intervals in the second mounting shell 210, the second bearing 252 and the third bearing 253 are respectively mounted in the second bearing seat 216 and the third bearing seat 217, and the second bearing seat 216 is provided with a second shaft hole 2161, and the third bearing seat 217 is provided with a third shaft hole 2171 opposite to the second shaft hole 2161, and the rotating shaft 250 is respectively inserted into the second shaft hole 2161 and the third shaft hole 2171, and is mounted on the second bearing 252 and the third bearing 253. In this way, the rotation stability of the rotating shaft 250 in the second mounting shell 210 is greatly improved.

[0071] In one embodiment, please refer to Figure 1 and Figure 7 The first mounting shell 110 is provided with a first positioning portion 115. The second mounting shell 210 is provided with a second positioning portion 214 that is positioned and matched with the first positioning portion 115. In this way, the first mounting shell 110 and the second mounting shell 210 are stably assembled through the positioning and matching of the first positioning portion 115 and the second positioning portion 214. At the same time, it is also greatly convenient for the operator to align the first mounting shell 110 and the second mounting shell 210, thereby improving the assembly efficiency of the endoscope bending device.

[0072] Optionally, the first positioning portion 115 is a positioning boss, and the second positioning portion 214 is a positioning groove; or, the first positioning portion 115 is a positioning groove, and the second positioning portion 214 is a positioning boss.

[0073] Specifically, the first positioning portion 115 is a positioning boss, the second positioning portion 214 is a positioning groove, the first adapter port 113 is disposed on the positioning boss, and the second adapter port 213 is disposed at the bottom of the positioning groove.

[0074] In one embodiment, please refer to Figure 5 and Figure 7 The second mounting shell 210 includes a third shell 211 and a fourth shell 212. The third shell 211 is covered on the fourth shell 212. The second adapter 213 is arranged on the third shell 211 and / or the fourth shell 212. It can be seen that the second mounting shell 210 of this embodiment is formed by splicing two parts, which greatly facilitates the maintenance and replacement of the internal parts of the control mechanism 200 by the operator.

[0075] In one embodiment, please refer to Figure 6 The control mechanism 200 further includes a fourth bearing 221. The second mounting shell 210 is provided with a mounting hole 215. The fourth bearing 221 is installed in the second mounting shell 210 and is located at the mounting hole 215. The handle 220 passes through the mounting hole 215 and is installed on the fourth bearing 221. In this way, the rotation of the handle 220 is smoother. At the same time, a bearing cover 222 is provided on the fourth bearing 221 to prevent dust from entering the fourth bearing 221 and causing the fourth bearing 221 to be unable to rotate.

[0076] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0077] The above-mentioned embodiments only express several implementation methods of the present invention, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the invention patent. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be subject to the attached claims.

Claims

1. An endoscope bending mechanism, characterized in that: include: A first mounting shell, wherein the first mounting shell is provided with a first adapter port and a wire outlet, and the first mounting shell is used to be detachably connected to a second mounting shell on the control mechanism; a bending structure, the bending structure comprising a rotating wheel, and a first adjusting rope and a second adjusting rope respectively connected to the rotating wheel, the rotating wheel being rotatably mounted in the first mounting shell, the first adjusting rope and the second adjusting rope both being connected to the insertion portion through the wire outlet; and A first adapter, which is rotatably mounted in the first mounting shell, one end of which is in transmission cooperation with the rotating wheel, and the other end of which is used for transmission cooperation with a second adapter on the control mechanism through the first adapter interface; It also includes a transmission structure, which is located in the first mounting shell, and one end of the first adapter cooperates with the rotating wheel through the transmission structure; a first limiting portion is provided on the end of the first adapter away from the rotating wheel, and when one end of the first adapter is used to be sleeved on the outside or inside of the second adapter, the first limiting portion is used to cooperate with the second limiting portion on the second adapter.

2. The endoscope bending mechanism according to claim 1, characterized in that: The transmission structure includes a first transmission tooth and a second transmission tooth meshing with each other, the first transmission tooth is connected to the first adapter, and the second transmission tooth is connected to the rotating wheel.

3. The endoscope bending mechanism according to claim 2, characterized in that: A support shaft is provided in the first mounting shell, and the rotating wheel and the first transmission gear are both sleeved on the support shaft; or, The first transmission tooth and the second transmission tooth are both bevel gears.

4. The endoscope bending mechanism according to any one of claims 1 to 3, characterized in that: It also includes a first bearing, wherein the first bearing is installed in the first mounting shell, and the first adapter is installed on the first bearing; or, The bending structure further comprises a fixing member and a pressure cover, a bending groove and an installation groove are provided on opposite side surfaces of the rotating wheel, the fixing member is located in the installation groove, the pressure cover is connected to the rotating wheel and covers the installation groove, the first adjustment rope and the second adjustment rope are respectively arranged along the bending groove from opposite sides of the rotating wheel at the installation groove, and are both connected to the fixing member; or, The first mounting shell includes a first shell and a second shell, the first shell cover is arranged on the second shell, and the wire outlet and the first adapter are both arranged on the first shell and / or the second shell.

5. An endoscope bending device, characterized in that: It comprises a control mechanism and the endoscope bending mechanism as described in any one of claims 1 to 4, wherein the control mechanism comprises a second mounting shell, and a handle and a second adapter which are rotatably mounted on the second mounting shell, a second adapter interface being provided on the second mounting shell, one end of the second adapter being transmission-matched with the handle, and the other end of the second adapter being transmission-matched with the first adapter via the second adapter interface.

6. The endoscope bending device according to claim 5, characterized in that: It also includes a transmission member, and a third transmission tooth and a fourth transmission tooth that mesh with each other, the third transmission tooth is connected to the handle, the fourth transmission tooth is connected to the transmission member, and the transmission member is in transmission cooperation with the second adapter at one end away from the handle.

7. The endoscope bending device according to claim 6, characterized in that: It also includes a rotating shaft rotatably mounted in the second mounting shell, one end of the rotating shaft is connected to the transmission member, and the other end of the rotating shaft is connected to the second adapter member.

8. The endoscope bending device according to any one of claims 5 to 7, characterized in that: The first mounting shell is provided with a first positioning portion, and the second mounting shell is provided with a second positioning portion that is positioned and matched with the first positioning portion; or, The second mounting shell includes a third shell and a fourth shell, the third shell cover is arranged on the fourth shell, and the second adapter is arranged on the third shell and / or the fourth shell.

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