CN216876299U - Endoscope - Google Patents

Abstract

An embodiment of the present specification provides an endoscope, including a head end portion, a bending portion, an insertion tube, and a connection tube; one end of the insertion tube is connected with one end of the bending part, the other end of the bending part is connected with the head end part, and the connecting tube is connected between the head end part and the bending part or between the insertion tube and the bending part; an instrument channel is arranged in the insertion tube, a first opening is arranged on the side wall of the connecting tube, and the first opening is communicated with the instrument channel.

Description

Endoscope

Technical Field

The present description relates to the field of medical devices, and in particular to an endoscope.

Background

Endoscopes are used primarily in surgery and in routine medical examinations. The endoscope extends into a human body by utilizing a natural hole of the human body or a small hole formed in the human body, and an operator can check and operate the endoscope in the human body through other surgical instruments and shooting components only after the lens of the endoscope extends into the human body. Since the surgical instrument, the shooting assembly and other parts (such as a flushing pipe and the like) are generally arranged at the head end part or extend out of the head end part, the outer diameter of the head end part of the endoscope is generally larger, so that the endoscope is troublesome to insert into a human body and even can injure the human body, and the technical problem that the head end part of the endoscope is larger in size is solved by the surgical instrument without the endoscope at the head end part.

Disclosure of Invention

One or more embodiments of the present disclosure provide an endoscope. The endoscope comprises a head end part, a bending part, an insertion tube and a connecting tube; one end of the insertion tube is connected with one end of the bending part, the other end of the bending part is connected with the head end part, and the connecting tube is connected between the head end part and the bending part or between the insertion tube and the bending part; an instrument channel is arranged in the insertion tube, a first opening is arranged on the side wall of the connecting tube, and the first opening is communicated with the instrument channel.

In some embodiments, the axis of the head end is not collinear with the axis of the connecting tube, and the axis of the insertion tube is not collinear with the axis of the connecting tube.

In some embodiments, the endoscope further comprises a water inlet in communication with the instrument channel.

In some embodiments, the water discharging pipe is at least partially positioned in the insertion pipe, the head end part is columnar, a liquid sucking port is arranged on the side wall of the head end part, and the liquid sucking port is communicated with one end of the water discharging pipe.

In some embodiments, the cross-sectional area of the head end is greater than or equal to the cross-sectional area of the connecting tube.

In some embodiments, the endoscope further comprises a handle, the handle comprises a holding part and a containing part, the holding part is arranged at the bottom end of the containing part, one end of the insertion tube, which is far away from the bending part, is connected with the containing part, and one end of the instrument channel, which is far away from the connecting tube, is arranged on the containing part; at least a portion of the instrument channel is located at the top end of the receiving portion.

In some embodiments, the endoscope further comprises a first thumb wheel, the first thumb wheel and the holding portion are respectively located at two ends of the accommodating portion, the insertion tube is connected with the first thumb wheel, the first thumb wheel is rotatably connected to the accommodating portion, and the first thumb wheel is used for driving the insertion tube to rotate around the axis of the insertion tube.

In some embodiments, the endoscope further includes a second thumb wheel, an end of the insertion tube far away from the connection tube is connected to the second thumb wheel, the second thumb wheel is rotatably disposed in the accommodating portion of the handle, a side wall of the accommodating portion is provided with a second opening, at least a portion of the second thumb wheel is exposed outside the handle through the second opening, the holding portion is closer to the second thumb wheel than the first thumb wheel, and the second thumb wheel is used for driving the insertion tube to rotate around an axis of the insertion tube.

In some embodiments, the handle includes a control button disposed on the grip portion and a protective lever disposed outside the control button.

In some embodiments, the endoscope further comprises a wireless signal transmission module, the wireless signal transmission module is covered by the shell of the handle, and the wireless signal transmission module is detachably connected with the handle.

Drawings

The present description will be further explained by way of exemplary embodiments, which will be described in detail by way of the accompanying drawings. These embodiments are not intended to be limiting, and in these embodiments like numerals are used to indicate like structures, wherein:

FIG. 1 is an exemplary block diagram of an endoscope, according to some embodiments of the present description;

FIG. 2 is another exemplary block diagram of an endoscope, according to some embodiments of the present description;

FIG. 3 is a schematic view of an exemplary connection of a head end portion to a connection portion, according to some embodiments described herein;

FIG. 4 is an exemplary positional schematic of an insertion tube and a head end shown in accordance with some embodiments of the present description;

FIG. 5 is a schematic diagram of an exemplary internal structure of an endoscope, according to some embodiments of the present description;

FIG. 6 is an exemplary structural diagram of a bend shown in accordance with some embodiments of the present description when bent;

FIG. 7 is an exemplary structural schematic of a bend control assembly shown in accordance with some embodiments of the present description;

fig. 8 is a schematic illustration of a light-guiding fiber optic field angle, shown in accordance with some embodiments herein.

Reference numerals: 100. an endoscope; 110. a head end portion; 112. a liquid suction port; 120. a bending section; 130. an insertion tube; 135. an instrument channel; 140. a connecting pipe; 145. a first opening; 150. a handle; 152. a grip portion; 154. an accommodating portion; 156. a second opening; 158. a protective gear lever; 160. an instrument inlet; 165. a water inlet; 167. a water inlet luer valve; 169. an outlet luer valve; 170. a first thumb wheel; 175. a second thumb wheel; 182. a turntable; 184. a push rod; 186. a traction cable; 186-1, a first sub-traction rope; 186-2, a second sub-traction rope; 190. a control button; 210. a wireless signal transmission module; 220. an imaging module; 232. a light guide optical fiber.

Detailed Description

In order to more clearly illustrate the technical solutions of the embodiments of the present disclosure, the drawings used in the description of the embodiments will be briefly described below. It is obvious that the drawings in the following description are only examples or embodiments of the present description, and that for a person skilled in the art, the present description can also be applied to other similar scenarios on the basis of these drawings without inventive effort. Unless otherwise apparent from the context, or otherwise indicated, like reference numbers in the figures refer to the same structure or operation.

As used in this specification and the appended claims, the terms "a," "an," "the," and/or "the" are not intended to be inclusive in the singular, but rather are intended to be inclusive in the plural, unless the context clearly dictates otherwise. In general, the terms "comprises" and "comprising" merely indicate that steps and elements are included which are explicitly identified, that the steps and elements do not form an exclusive list, and that a method or apparatus may include other steps or elements.

The embodiment of the application provides an endoscope, including tip, flexion, insert tube, connecting pipe and handle portion, tip, flexion, insert tube and handle portion link to each other in proper order, and the connecting pipe is connected between tip and flexion or insert tube and flexion. Be equipped with the apparatus passageway in the intubate, the lateral wall of connecting pipe is equipped with first opening, and first opening is linked together with the apparatus passageway to make surgical instruments can directly stretch out from the first opening of connecting pipe lateral wall through the apparatus passageway, need not through the cephalad portion, therefore cephalad portion need not to reserve the space that surgical instruments passed through, and then has reduced the size of cephalad portion.

Fig. 1 is an exemplary block diagram of an endoscope according to some embodiments of the present description, fig. 2 is another exemplary block diagram of an endoscope according to some embodiments of the present description, and fig. 3 is an exemplary connection structure diagram of a head end portion and a connection portion according to some embodiments of the present description. Referring to fig. 1, 2 and 3, in some embodiments, endoscope 100 generally includes a head end portion 110, a bending portion 120, an insertion tube 130 and a connecting tube 140. One end of the insertion tube 130 is connected to one end of the bending part 120, the other end of the bending part 120 is connected to the head end part 110, and the connection tube 140 is connected between the head end part 110 and the bending part 120 or between the insertion tube 130 and the bending part 120. In some embodiments, a connecting tube 140 may be connected between the insertion tube 130 and the bent portion 120, as shown in fig. 2. In other embodiments, the connecting tube 140 may also be connected between the head end portion 110 and the flexure 120 (as shown in FIG. 3, where the flexure 120 is not shown in FIG. 3). The insertion tube 130 may be used to be inserted into a site to be operated through a body passageway, thereby moving other components (e.g., the imaging module 220, etc.) or surgical instruments (e.g., a micro-needle cannula, etc.) to the site to be operated. The head end 110 may be used to provide a mounting fixture for other components (e.g., imaging module 220, etc.). The flexure 120 may be used to control the flexion rotation of the head end 110. The connection tube 140 is mainly used to connect the head end portion 110 and the bent portion 120 or the bent portion 120 and the insertion tube 130. The insertion tube 130 may have an instrument channel 135 therein, and the side wall of the connection tube 140 may have a first opening 145 (as shown in fig. 2 and 3), and the first opening 145 may be in communication with the instrument channel 135, so that a surgical instrument may protrude from the first opening 145 through the instrument channel 135 without passing through the head end portion 110, so that the head end portion 110 does not need to reserve a space through which the surgical instrument passes, the size of the head end portion 110 is reduced, and the influence on a human body when the endoscope 100 is used is reduced.

Referring to fig. 2 and 4, fig. 4 is a schematic diagram illustrating exemplary positions of an insertion tube and a head end according to some embodiments of the present disclosure. In some embodiments, the axis of the head end portion 110 and the axis of the connecting tube 140 may not be collinear, and the axis of the insertion tube 130 and the axis of the connecting tube 140 may not be collinear. The non-collinear alignment of the head end portion 110 with the insertion tube 130 is achieved by the cooperation of the curved portion 120 and the connecting tube 140. In some embodiments, the head end 110, the bend 120, the connecting tube 140, and the insertion tube 130 may form a "Z" shape such that the insertion tube 130 and the head end 110 are offset from each other such that the head end 110 does not need to reserve a space for the passage of surgical instruments, thereby reducing the design size of the head end 110. On the other hand, the head 110 of the insertion tube 130 is disposed in a staggered manner, so that the surgical instrument is not blocked by the head 110 when the surgical instrument protrudes from the first opening 145, thereby preventing the head 110 from interfering with the operation of the surgical instrument.

In some embodiments, the cross-sectional area of the head end portion 110 may be greater than or equal to the cross-sectional area of the connection tube 140, such that the connection tube 140 may travel within the body orifice without obstruction after the head end portion 110 is inserted into the body orifice.

In some embodiments, the head portion 110 may be rounded to facilitate the head portion 110 to enter the narrow space of the body duct, thereby reducing the possibility of scratching the inner wall of the body duct.

Referring to fig. 1 and 2, in some embodiments, the endoscope 100 may further include a handle 150, and the handle 150 may include a holding portion 152 and a receiving portion 154, the holding portion 152 being provided at a bottom end of the receiving portion 154. The grip portion 152 is used to provide a gripping location for an operator, and the receiving portion 154 is used to provide a mounting fixture for other components of the endoscope 100. The end of the insertion tube 130 remote from the bent portion 120 is coupled to the receiving portion 154 to be fixed.

In some embodiments, the handle 150 may be "L" shaped, wherein a portion of the handle 150 proximal to the insertion tube 130 is a receiving portion 154 and a portion of the handle 150 distal from the insertion tube 130 is a gripping portion 152.

FIG. 5 is a schematic diagram of an exemplary internal structure of an endoscope, according to some embodiments of the present disclosure. As shown in fig. 1, 2, and 5, in some embodiments, endoscope 100 further includes an instrument access port 160, instrument access port 160 being in communication with instrument channel 135, instrument access port 160 being an end opening of instrument channel 135 for providing access for surgical instruments to instrument channel 135. In some embodiments, the instrument access 160 may be disposed at the top of the receptacle 154, i.e., the end of the instrument channel 135 remote from the connecting tube 140 (i.e., the instrument access 160) is disposed on the receptacle 154, and at least a portion of the instrument channel 135 is disposed at the top end of the receptacle 154 to facilitate the operator inserting a surgical instrument into the instrument access 160.

In some embodiments, the endoscope 100 may further include a water inlet 165, and the water inlet 165 may be in communication with the instrument channel 135, so that the instrument channel 135 may also serve as a liquid inlet channel, and the instrument channel 135 may serve as a dual-purpose channel, so that the endoscope 100 does not need to be additionally provided with a water inlet pipe, and the structure of the endoscope 100 is simplified. In some embodiments, the water inlet 165 may be disposed above the receiving portion 154 of the handle 150 to facilitate inflow of irrigation fluid while avoiding interference of the lines of the infusion fluid with the lines of the endoscope 100. In some embodiments, the water inlet 165, the instrument inlet 160, and the instrument channel 135 may be in communication via a three-way valve.

In some embodiments, a control valve may be provided at the water inlet 165 to control the flow of irrigation fluid within the instrument channel 135. Illustratively, a water inlet luer valve 167 (shown in fig. 5) may be provided at the water inlet 165.

During the flushing process, the flushing liquid enters the instrument channel 135 through the water inlet 165 and flows out of the first opening 145 into the human body to flush the site to be operated, and the flushed liquid is still remained in the site to be operated.

FIG. 6 is an exemplary structural diagram of a bend shown in accordance with some embodiments of the present description when bent. Referring to FIGS. 1, 2, 5 and 6, in some embodiments, the endoscope 100 may further include a drain (not shown) for draining fluid from the site to be operated. In some embodiments, at least a portion of the drainage tube may be located within the insertion tube 130, so that the drainage tube may be inserted into the site to be operated along with the insertion tube 130, and the fluid at the site to be operated may be sucked up without an additional insertion step. Meanwhile, the insertion tube 130 isolates at least part of the drainage tube from the human body, so that the adverse effect of at least part of the drainage tube on the human body is reduced, and the use safety of the endoscope 100 is improved.

Referring to fig. 6, in some embodiments, the head portion 110 is provided with a liquid suction port 112, the liquid suction port 112 is communicated with one end of the drain pipe, and the liquid suction port 112 is used as an inlet of the drain pipe for providing a passage for liquid to enter the drain pipe. The other end of the drain pipe, which is away from the liquid suction port 112, is provided on the accommodating portion 154.

In some embodiments, the head portion 110 may have a cylindrical shape (as shown in fig. 3 and 6), and the liquid suction port 112 may be disposed on a side wall of the head portion 110. The liquid suction port 112 is provided in the side wall of the head end portion 110, and has a large design space, which facilitates increasing the size of the liquid suction hole 112, thereby reducing the risk of clogging of the liquid suction hole 112.

In some embodiments, the outlet of the drain pipe may be located below the receiving portion 154, so that drainage is convenient. In some embodiments, the outlet of the drain pipe may be provided with a control valve to control the flow of liquid within the drain pipe. Illustratively, the outlet of the drain pipe may be provided with a water outlet luer valve 169 (shown in fig. 5).

In some embodiments, the drain tube may also be connected to a suction pump that generates suction to draw fluid from the site to be operated into the drain tube from the suction port 112. In the liquid discharging process, under the action of the liquid suction pump, the liquid (for example, one or more of the washing liquid, blood and tissue) washed from the site to be operated is sucked from the liquid suction port 112 and discharged from the water outlet luer valve 169 through the water discharge pipe, so that the liquid in the site to be operated is sucked out.

In some embodiments, as shown in fig. 1 and 2, the endoscope 100 may further include a first thumb wheel 170, the first thumb wheel 170 and the grip portion 152 are respectively located at both ends of the accommodating portion 154, the insertion tube 130 is connected to the first thumb wheel 170, and the first thumb wheel 170 is rotatably connected to the accommodating portion 154. The first thumb wheel 170 is used to drive the insertion tube 130 to rotate around the axis of the insertion tube 130, so as to drive the connection tube 140 and the head end portion 110 to rotate around the axis of the insertion tube 130, thereby increasing the operation range of the endoscope 100.

In some embodiments, the first thumb wheel 170 may include a rotational bearing that may allow for smooth and effort-saving rotation of the first thumb wheel 170. The rotational bearing includes an inner race and an outer race rotatably coupled, the outer race being fixed to the receiving portion 154, and the insertion tube 130 being fixed to the inner race. In some embodiments, the receiving portion 154 may be provided with a mounting hole for mounting the rotation bearing, the mounting hole being coaxial with the insertion tube 130. The rotating bearing is embedded and fixed in the mounting hole, one part of the first thumb wheel 170 is embedded in the inner ring of the rotating bearing and connected with the insertion tube 130, the other part of the first thumb wheel 170 is exposed outside the accommodating part 154, and the insertion tube 130 can be driven to rotate by rotating the first thumb wheel 170.

In some embodiments, the connection of the receptacle 154 and the first thumb wheel 170 may be provided with an annular track, similar to a bearing seat, for mounting the first thumb wheel 170 and guiding the first thumb wheel 170. The circular guide is fixed to the receiving portion 154, and the first thumb wheel 170 can rotate in the circular guide, thereby rotating the insertion tube 130 about its axis.

When the insertion tube 130 rotates, the pipeline and the circuit inside the insertion tube 130 may be driven to rotate together, and the pipeline and the circuit may be twisted to a large degree. In some embodiments, the first thumb wheel 170 may be rotated 0-180 degrees in both directions, based on the initial position of the first thumb wheel 170, where the two directions are the left and right sides of the handle 150. Illustratively, the first thumb wheel 170 may be rotated 180 ° in both directions, respectively. In some embodiments, the outer side wall of the first thumb wheel 170 may be provided with a limiting block, the handle 150 may be provided with a limiting groove matched with the limiting block, the limiting groove uses the axis of the first thumb wheel 170 as a central line, and the matching of the limiting block and the limiting groove enables the first thumb wheel 170 to rotate 60-180 degrees relative to the handle 150, so as to avoid knotting, winding and even damage to parts and lines inside the insertion tube 130 caused by a large rotation angle of the first thumb wheel 170.

In some embodiments, the first thumb wheel 170 can be manually rotated, i.e., the operator can hold the grip portion 152 with one hand and rotate the first thumb wheel 170 with the other hand to directly control the rotation angle of the insertion tube 130.

In other embodiments, the first thumb wheel 170 may also be coupled to a drive source that may drive the first thumb wheel 170 to rotate about the axis of the insertion tube 130. By providing the driving source, the rotation angle of the first thumb wheel 170 can be accurately controlled. In some embodiments, the drive source may include an electric motor, a pneumatic motor, an oil motor, or the like that provides a power output. In view of the structural design of the endoscope 100, in some embodiments, the drive source may include a micro-motor.

In some embodiments, the endoscope 100 may further include a second thumb wheel 175, an end of the insertion tube 130 away from the connecting tube 140 is connected to the second thumb wheel 175, and the second thumb wheel 175 is configured to rotate the insertion tube 130 around an axis of the insertion tube 130, so as to rotate the connecting tube 140 and the head end portion 110 around the axis of the insertion tube 130, thereby increasing an operation range of the endoscope 100.

The second thumb wheel 175 is rotatably disposed in the receiving portion 154 of the handle 150, a side wall of the receiving portion 154 is provided with a second opening 156, and at least a portion of the second thumb wheel 175 is exposed outside the receiving portion 154 through the second opening 156, so that an operator can operate the second thumb wheel 175.

In some embodiments, the grip portion 152 is closer to the second thumb wheel 175 than the first thumb wheel 170, such that an operator may rotate the insertion tube 130 using a thumb and/or forefinger to dial the second thumb wheel 175 while holding the grip portion 152 of the handle 150 with a single hand.

FIG. 7 is a schematic diagram of an exemplary configuration of a bend control assembly shown in accordance with some embodiments of the present description. Referring to fig. 1, 5, 6, and 7, in some embodiments, the endoscope 100 can further include a bend control assembly that can be used to control the bend 120 to bend, thereby increasing the operating range of the endoscope 100. The bend control assembly may include a dial 182, a push rod 184, and a pull cable 186, the dial 182 disposed within the handle 150, the push rod 184 fixedly coupled to the dial 182, and the pull cable 186 coupled between the bend 120 and the dial 182. The push rod 184 extends at least partially out of the receptacle 154 for operator manipulation. The operator can push the push rod 184 to rotate the turntable 182, thereby pulling the pull cable 186 to bend the bending portion 120.

In some embodiments, the bending portion 120 includes a snake bone, the pulling cable 186 may include a first sub pulling cable 186-1 and a second sub pulling cable 186-2, one end of the first sub pulling cable 186-1 extends through the snake bone along the length direction of the snake bone, the other end of the first sub pulling cable 186-1 is fixed (e.g., adhered, clamped, etc.) on the rotating disc 182, one end of the second sub pulling cable 186-2 extends through the snake bone along the length direction of the snake bone, the other end of the second sub pulling cable 186-2 is fixed (e.g., adhered, clamped, etc.) on the rotating disc 182, and the one end of the first sub pulling cable 186-1 and the one end of the second sub pulling cable 186-2 are fixed to the end of the snake bone away from the handle 150. In other embodiments, the pulling cable 186 may comprise only one pulling cable, in which case the middle portion of the pulling cable 186 may be wound on the rotating disc 182, both ends of the pulling cable 186 may penetrate through the snake bone along the length direction of the snake bone, and both ends of the pulling cable 186 are fixed to the end of the snake bone far from the handle 150.

For example only, the snake bone may include a plurality of bone segments, and the one end of the first sub-traction cable 186-1 and the one end of the second sub-traction cable 186-2 may pass through all of the bone segments, respectively. When the turntable 182 rotates, the other end of the first sub-traction cable 186-1 fixed to the turntable 182 and the other end of the second sub-traction cable 186-2 fixed to the turntable 182 both move with the rotation of the turntable 182, and at this time, the length between the one end of the first sub-traction cable 186-1 and the turntable 182 may be shortened (or lengthened), and the length between the one end of the second sub-traction cable 186-2 and the turntable 182 may be lengthened (or shortened) accordingly, so that the snake bone of the traction curvature portion 120 is bent, and the direction of the bending rotation is bent toward the side of the first sub-traction cable 186-1 (or the second sub-traction cable 186-2) with the shortened length, that is, the snake bone of the curvature portion 120 is bent upward/downward (as shown in fig. 6).

Referring to fig. 1, 5 and 7, in some embodiments, the endoscope 100 may further include an operation assembly for an operator to operate to control the endoscope. In some embodiments, the endoscope 100 may include a controller. The controller may be connected to the operation member to receive operation control information of the operation member and perform a corresponding operation. For example, a controller may be connected to the inlet luer valve 167, and the controller may control the inlet luer valve 167 to admit water. As shown in fig. 5 and 7, the operating component may include a control button 190, and the control button 190 is disposed on the holding portion 152. In some embodiments, the controller is configured to control the endoscope 100 to perform a corresponding operation based on a different control button 190 being pressed.

In some embodiments, handle 150 is further provided with a protective lever 158, and protective lever 158 is disposed outside of control button 190 (as shown in FIG. 1). The protective bar 158 prevents the operator from mistakenly touching the control button 190 while holding the grip portion 152.

Referring to fig. 1 and 7, in some embodiments, the endoscope 100 may further include a wireless signal transmission module 210. In some embodiments, the wireless signal transmission module 210 may be connected to a controller. The wireless signal transmission module 210 can enable the controller of the endoscope 100 to be wirelessly connected with an external operation terminal (e.g., a mobile phone, a computer, a control terminal, etc.), so that an operator can remotely control the endoscope 100 to perform corresponding operations or send corresponding data of the endoscope 100 to the operation terminal, and meanwhile, external lines of the endoscope 100 can be reduced, and the use smoothness of the endoscope 100 is improved. In some embodiments, the wireless signal transmission module 210 may be a wifi module or a bluetooth module. In some embodiments, the wireless signal transmission module 210 may be encased by a housing of the handle 150. The wireless signal transmission module 210 is located inside the handle 150, and the handle 150 has a good sealing effect on the wireless signal transmission module 210, so that the wireless signal transmission module 210 is prevented from being polluted, continuous work can be achieved, and disinfection treatment is not needed. In some embodiments, the wireless signal transmission module 210 is detachably connected to the holding portion 152, so as to facilitate the rapid assembly, disassembly and replacement of the wireless signal transmission module 210.

In some embodiments, the holding portion 152 may be provided with a mounting cavity and a mounting box cooperating with the mounting cavity, wherein the mounting box is slidably disposed in the mounting cavity. The wireless signal transmission module 210 can be fixed to the mounting box, so that the possibility of bacteria or germs polluting the outside of the handle 150 when the wireless signal transmission module 210 is replaced is reduced, and the influence of replacing the wireless signal transmission module 210 on the operation is reduced. And the process of replacing the wireless signal transmission module 210 does not need disinfection treatment, and the operation is simple.

Fig. 8 is a schematic illustration of a light-guiding fiber optic field angle according to some embodiments described herein. Referring to fig. 3 and 8, in some embodiments, the endoscope 100 may further include an imaging module 220, and the imaging module 220 may be disposed on a side of the head end portion 110 away from the bending portion 120. The imaging module 220 can be used for shooting an image of a part to be operated, so that a corresponding view field is provided for an operator, and the operation of the operator is facilitated.

In some embodiments, the end of the head portion 110 away from the insertion tube 130 is provided with a module cap and a module base that are connected to each other, the module base is connected to the head portion 110, the imaging module 220 is disposed between the module cap and the module base, and the module cap and the module base jointly fix the imaging module 220.

In some embodiments, the imaging module 220 may be electrically connected to a controller, and the control button 190 may control the operation state of the imaging module 220, such as taking a picture, recording a video, and the like. The handle 150 may be provided with a memory therein, and the memory and the wireless signal transmission module 210 are electrically connected to the processor. The imaging module 220 transmits the captured multimedia (e.g., photos, videos, etc.) to the memory, and the processor transmits the multimedia to an operation terminal, such as a mobile phone, a tablet computer, etc., through the wireless signal transmission module 210.

In some embodiments, the endoscope 100 may further include an illumination component, and the illumination component may illuminate the portion to be operated, so that the image of the imaging module 220 is clearer, the operator can conveniently view the image, and the operation efficiency and the operation effect are improved. The lighting assembly may be connected to a controller, which may control the operating state of the lighting assembly, e.g., whether it is operating, the intensity of the illumination, etc.

In some embodiments, the illumination assembly may include one or more light guide fibers 232, the one or more light guide fibers 232 are disposed inside the insertion tube 130, and the insertion tube 130 may isolate the light guide fibers 232 from the human body, so as to reduce the influence of the light guide fibers 232 on the human body, and provide a stable working environment for the light guide fibers 232. The light guide fiber 232 has one end connected to the light source and the other end fixed to the module cap of the head end portion 110, thereby providing illumination to the imaging module 220. In some embodiments, the light source may be an internal light source disposed inside the handle 150 or an external light source external to the endoscope 100.

In some embodiments, the angle of view of the light-guiding fiber 232 may be up to 120 °.

The beneficial effects that the endoscope disclosed in the present specification may bring include, but are not limited to: (1) the outlet of the instrument channel is arranged on the side wall of the connecting pipe, so that the instrument does not need to pass through the head end part, and the design size of the head end part is reduced; (3) the instrument channel and the water inlet channel are shared, so that water can be conveniently fed, and the structure of the endoscope is optimized; (4) the structure of the first thumb wheel and the second thumb wheel enables an operator to operate the insertion tube to rotate with one hand or two hands; (5) the wireless signal transmission module is positioned in the holding part and detachably connected with the holding part, so that the wireless signal transmission module can be prevented from polluting the endoscope, and the disinfection treatment is avoided; (6) the liquid suction holes are formed in the side wall of the head end portion, so that the water path circulation is facilitated, the size of the liquid suction holes can be increased, and the blocking risk is reduced. It is to be noted that different embodiments may produce different advantages, and in different embodiments, any one or combination of the above advantages may be produced, or any other advantages may be obtained.

It is expressly emphasized that the terms "upper", "left", "right", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used for convenience in describing the present application and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present application.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Finally, it should be understood that the embodiments described herein are merely illustrative of the principles of the embodiments described herein. Other variations are also possible within the scope of the present description. Thus, by way of example, and not limitation, alternative configurations of the embodiments of the specification can be considered consistent with the teachings of the specification. Accordingly, the embodiments of the present description are not limited to only those embodiments explicitly described and depicted herein.

Claims (10)

1. An endoscope, comprising a head end portion, a bending portion, an insertion tube, and a connection tube; one end of the insertion tube is connected with one end of the bending part, the other end of the bending part is connected with the head end part, and the connecting tube is connected between the head end part and the bending part or between the insertion tube and the bending part;

an instrument channel is arranged in the insertion tube, a first opening is formed in the side wall of the connecting tube, and the first opening is communicated with the instrument channel.

2. An endoscope as described in claim 1 wherein the axis of said head end portion is non-collinear with the axis of said connecting tube and the axis of said insertion tube is non-collinear with the axis of said connecting tube.

3. The endoscope as defined in claim 1, further comprising a water inlet in communication with the instrument channel.

4. The endoscope as defined in claim 3, further comprising a drain tube at least partially disposed within the insertion tube, the tip portion being cylindrical, a side wall of the tip portion being provided with a suction port, the suction port being in communication with one end of the drain tube.

5. The endoscope of claim 1, wherein a cross-sectional area of the tip portion is greater than or equal to a cross-sectional area of the connecting tube.

6. The endoscope of claim 1, further comprising a handle, the handle comprising a grip portion and a receiving portion, the grip portion being disposed at a bottom end of the receiving portion, an end of the insertion tube distal from the bending portion being connected to the receiving portion, an end of the instrument channel distal from the connecting tube being disposed on the receiving portion; at least a portion of the instrument channel is located at the top end of the receptacle.

7. The endoscope as defined in claim 6, further comprising a first thumb wheel, wherein the first thumb wheel and the holding portion are respectively located at two ends of the accommodating portion, the insertion tube is connected with the first thumb wheel, the first thumb wheel is rotatably connected to the accommodating portion, and the first thumb wheel is used for driving the insertion tube to rotate around the axis of the insertion tube.

8. The endoscope as defined in claim 7, further comprising a second thumb wheel, wherein an end of the insertion tube far from the connecting tube is connected to the second thumb wheel, the second thumb wheel is rotatably disposed in the accommodating portion of the handle, a side wall of the accommodating portion is provided with a second opening, at least a portion of the second thumb wheel is exposed outside the handle through the second opening, the holding portion is closer to the second thumb wheel than the first thumb wheel, and the second thumb wheel is used for driving the insertion tube to rotate around an axis of the insertion tube.

9. The endoscope as defined in claim 6, wherein the handle includes a control button disposed on the grip portion and a protective stop disposed outside the control button.

10. The endoscope as defined in claim 6, further comprising a wireless signal transmission module, wherein the wireless signal transmission module is covered by a housing of the handle, and wherein the wireless signal transmission module is detachably connected to the handle.

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