CN113040686A - Endoscope and endoscope handle part - Google Patents

Abstract

The present application relates to an endoscope and an endoscope handle section, the endoscope handle section including: a first handle portion; a second handle portion; a connecting assembly for connecting the first handle portion with the second handle portion; the first handle portion includes a first operating portion; the second handle portion includes a second operating portion.

Description

Endoscope and endoscope handle part

Technical Field

The present application relates to the field of medical devices, and more particularly to an endoscope and an endoscope handle portion.

Background

The current medical endoscope is widely applied to minimally invasive surgery, and can realize examination or operation on a focus area of a patient in a smaller operation space, so that damage to the body of the patient is greatly reduced.

Therefore, it is necessary to provide an endoscope that is easy and convenient to operate.

Disclosure of Invention

A first aspect of the present application provides an endoscope handle portion comprising: a first handle portion; a second handle portion; a connecting assembly for connecting the first handle portion with the second handle portion; the first handle portion includes a first operating portion; the second handle portion includes a second operating portion.

In some embodiments, the first handle portion and the second handle portion are removably connected by the connection assembly.

In some embodiments, the connection assembly includes a first connection portion disposed at the first handle portion and a second connection portion disposed at the second handle portion.

In some embodiments, the first connection portion comprises a suction portion; the second connecting portion includes a attracted portion; the attracting portion and the attracted portion can provide a force that brings the first handle portion and the second handle portion closer to each other.

In some embodiments, at least one of the attracting portion and the attracted portion includes a magnetic element.

In some embodiments, the connection assembly further comprises a first form fitting disposed on the first connection portion and a second form fitting disposed on the second connection portion; the first matching part and the second matching part can be matched to limit the first handle part to move relative to the second handle part.

In some embodiments, the first handle portion and the second handle portion are half-shell shaped.

In some embodiments, the first handle portion comprises a first instrument port; the second handle includes a second instrument port; the second instrument opening is higher than the first instrument opening in height.

In some embodiments, the first connection portion comprises an external thread structure; the second connecting portion includes an internal thread structure that is capable of mating with the external thread structure.

In some embodiments, a photographing operation button and a water circulation operation button are respectively arranged on the outer surfaces of the first handle part and the second handle part opposite to the first operation part and the second operation part.

In some embodiments, the first operating portion includes a first push rod and a first rotation stop structure; the second operation portion comprises a second push rod and a second rotation stopping structure.

A second aspect of the present application provides an endoscope comprising a handle portion of the endoscope described in any one of the embodiments of the present application; a first insertion tube connected to the first handle portion, a second insertion tube connected to the second handle portion; the first insertion tube has an inner diameter greater than or equal to an outer diameter of the second insertion tube. A

In some embodiments, the difference between the inner diameter of the first insertion tube and the outer diameter of the second insertion tube is at least 0.4 mm.

In some embodiments, the length of the first insertion tube is less than the length of the second insertion tube.

In some embodiments, the first handle portion comprises a first instrument port in communication with the interior space of the first insertion tube; the second handle portion comprising a second instrument port in communication with the interior space of the second insertion tube; the caliber of the first instrument opening is larger than the outer diameter of the second insertion tube.

In some embodiments, movement of the first and second operating portions is capable of imparting bending movement to the distal ends of the first and second insertion tubes, respectively.

Drawings

The present application 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 a schematic structural view of a handle portion of an endoscope according to some embodiments of the present application;

FIG. 2 is a side view of an endoscope handle portion shown in accordance with some embodiments of the present application;

FIG. 3 is a schematic structural view of the interface between first and second handle portions of an endoscope handle portion shown separated according to some embodiments of the present application;

FIG. 4 is a schematic structural view of a first handle portion of the handle portion of an endoscope in accordance with certain embodiments of the present application;

FIG. 5 is a schematic structural view of a second handle portion of the handle portion of an endoscope in accordance with certain embodiments of the present application;

FIG. 6 is a schematic structural view of an endoscope according to some embodiments of the present application.

Detailed Description

Reference will now be made in detail to exemplary embodiments or implementations, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended claims.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

It should be understood that the terms "first," "second," and the like as used in the description and in the claims, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. Unless otherwise indicated, "front", "rear", "lower" and/or "upper" and the like are for convenience of description and are not limited to one position or one spatial orientation. The word "comprising" or "comprises", and the like, means that the element or item listed as preceding "comprising" or "includes" covers the element or item listed as following "comprising" or "includes" and its equivalents, and does not exclude other elements or items.

One or more embodiments of the present application may be applied to medical endoscopes that observe and/or treat various different sites, for example, an endoscope for a kidney, an endoscope for a bladder, an endoscope for a biliary tract, and the like. Embodiments of the present application may also be applied to medical endoscopes that simultaneously view and/or treat a variety of different sites. For example, the endoscope of the present application may be used for both kidney and bladder viewing and/or treatment, and the user of the endoscope may perform viewing and/or treatment of a plurality of different sites with one insertion of the endoscope. In some embodiments, in one or more embodiments of the present application, the handle portions of at least two endoscopes are mounted together to be able to accommodate more usage scenarios, and the operator can switch between different endoscopes in corresponding scenarios by one-handed operation. In some embodiments, one or more embodiments of the present application can also be used in the field of industrial endoscopy according to practical needs. It should be understood that the application scenarios of the endoscope and its endoscope handle of the present application are merely examples or embodiments of the present application, and it will be apparent to those of ordinary skill in the art that the present application can also be applied to other similar scenarios according to these figures without inventive effort.

FIG. 1 is a schematic structural view of a handle portion of an endoscope according to some embodiments of the present application; FIG. 2 is a side view of an endoscope handle portion shown in accordance with some embodiments of the present application; FIG. 3 is a schematic view of the configuration of the interface between the first and second handle portions of the endoscope handle portion after separation, according to some embodiments of the present application.

As shown in fig. 1-3, in some embodiments, an endoscope handle portion 100 may include a first handle portion 10, a second handle portion 20, and a connection assembly 30. Wherein the connecting assembly 30 is used for connecting the first handle portion 10 and the second handle portion 20. The first handle part 10 comprises a first operating part 101 for arranging components operatively associated with the first handle part 10. The second handle portion 20 includes a second operating portion 201 for providing components operatively associated with the second handle portion 20. Referring to fig. 3, the outer surfaces of the first handle portion 10 and the second handle portion 20 further include a connecting surface for disposing the connecting assembly 30. The connecting surface is understood to be the contact surface of the first handle part 10 and the second handle part 20 which are joined together. In some embodiments, the connection assembly 30 may connect the first handle portion 10 and the second handle portion 20 as a unit at a connection plane therebetween to form the endoscope handle 1. The endoscope handle 1 formed by connecting the two can be used as a handle, for example, an operator of the handle can hold the endoscope handle 1 with one hand to operate the handle. In some embodiments, the coupling assembly 30 may be a separate component for coupling the first handle portion 10 and the second handle portion 20, respectively.

In some embodiments, the connecting assembly 30 may also be a combination of different attachment portions on the first handle portion 10 and the second handle portion 20, respectively. For example, the connecting assembly 30 may be composed of a first connecting portion provided on the first handle portion 10 and a second connecting portion provided on the second handle portion 20, and the first connecting portion and the second connecting portion may be connected together, thereby connecting the first handle portion 10 and the second handle portion 20 as a whole.

In some embodiments, the connection assembly 30 may be a detachable connection to the first handle portion 10 and the second handle portion 20, i.e., the first handle portion 10 and the second handle portion 20 may be detached after being connected together by the connection assembly 30; or the handle can be connected in an undetachable way, namely the first handle part and the second handle part are fixed together and can not be detachably separated according to the requirements of the scene in the subsequent use scene.

In some embodiments, when the first handle portion 10 is detachably separated from the second handle portion 20, the endoscope handle 1 is divided into the first handle portion 10 and the second handle portion 20, which can be used separately. In this embodiment, the operator of the handle can decide whether to connect the first handle portion 10 and the second handle portion 20 as a whole or to separate the handle into two separate handle portions according to actual needs. For example, when the operator needs to use the endoscope for only one portion, the operator can select to detach the handle and then use one of the handle portions (the first handle portion 10 or the second handle portion 20) to operate; when an operator needs to use the endoscope at two different positions, the handle can be connected into a whole for use.

In some embodiments, the first handle portion 10 and the second handle portion 20 may be half-shell shaped, including a half-shell shaped housing and a cross-section disposed on the housing. Wherein, the connecting surface of each of the two handle parts is a half-shell-shaped section. When the connecting assembly 30 connects the first handle part 10 and the second handle part 20, the half-shell-shaped shells of the two handle parts can form a complete handle shell.

In some embodiments, the first handle portion 10 may be connected to a first insertion tube 1010 and the second handle portion 20 may be connected to a second insertion tube 2010, both the first insertion tube 1010 and the second insertion tube 2010 may be used to position viewing and/or treatment components of the endoscope and may provide a conduit of sufficient length so that the endoscope may insert these viewing and/or treatment components to a desired location when in use. Referring to fig. 1, in some embodiments, first handle portion 10 further includes a first instrument well 102 and second handle portion 20 further includes a second instrument well 202. Wherein the first instrument port 101 may be in communication with the first insertion tube 1010 and the second instrument port 201 may be in communication with the second insertion tube 2010. Both the first instrument port 102 and the second instrument port 202 may be used to provide operative access to other associated instruments (e.g., surgical instruments) used in the operation of the endoscope handle 1. In some embodiments, the first instrument port 102 may also serve as an operational access port for a second insertion tube 2010 connected to the second handle portion 20. In some embodiments, to facilitate manipulation, the first instrument port 102 and the second instrument port 202 are distal from the first manipulation portion 101 and the second manipulation portion 202. Wherein, the distance between the first instrument opening 102 and the first operation part 101 is greater than the distance between the second instrument opening 202 and the second operation part 202, so as to facilitate the insertion of the second insertion tube 2010 connected with the second instrument opening 202 into the inner space of the first insertion tube 1010 from the first instrument opening 102.

Referring to fig. 1 and 6, in some embodiments, a photographing button 1011 and a water circulation button 1012 are disposed on the first handle portion 10. The photographing button 1011 is used to control a photographing (or photographing) module disposed at the end of the first insertion tube 1010, and the water circulation button 1012 is used to control a water circulation function component in the first insertion tube 1010. In some embodiments, the photograph button 1011 and the water circulation button 1012 are located on an outer surface of the first handle portion 10. In some embodiments, the photograph button 1011 and the water circulation button 1012 may be located on the same side of the outer surface of the first handle portion 10. A photographing button 2011 and a water circulation button 2012 are arranged on the second handle portion 20 for controlling the photographing function and the water circulation function at the end of the second insertion tube 2010. In some embodiments, the take button 2011 and the water circulation button 2012 are located on an outer surface of the second handle portion 20. In some embodiments, the take picture button 2011 and the water circulation button 2012 can be located on the same side of the exterior surface of the second handle portion 20. In some embodiments, when the connecting assembly 30 connects the first handle portion 10 and the second handle portion 20 into a whole, the side of the photographing button 1011 and the water circulation button 1012 is in the same plane as the side of the photographing button 2011 and the side of the water circulation button 2012 are in the same plane, the photographing button 1011 on the first handle portion corresponds to the photographing button 2011 on the second handle portion, and the water circulation button 1012 on the first handle portion corresponds to the water circulation button 2012 on the second handle portion. The button on the first handle part corresponds to the button on the second handle part, and the distribution position of the buttons on the first handle part is the same as that of the buttons on the second handle part, as shown in fig. 1. This is advantageous for the convenience of the handle operator.

In some embodiments, the photographing button 1011, the water circulation button 1012, the photographing button 2011 and the water circulation button 2012 can be multiple or one. For example, the water circulation button 1012 may be two buttons that respectively enable control of the water circulation in and out. For another example, the photographing button 1011 may be one, and the photographing operation may be performed when the operator clicks the photographing button 1011.

Referring to fig. 1 to 3, in some embodiments, the first operating part 101 and the second operating part 201 are further provided with a first push rod 1013, a first rotation stop knob 1014, a second push rod 2013, and a second rotation stop knob 2014 at opposite positions, respectively. Wherein the first 1013 and second 2013 push rods are used to control the movement of the ends of the first 1010 and second 2010 insertion tubes associated with the first 10 and second 20 handle portions, respectively. The first and second rotation stop knobs 1014 and 2014 serve to limit the range of motion of the first and second push rods 1013 and 2013, respectively.

In some embodiments, the endoscope handle section 100 may include a third handle section (not shown), a first connection assembly for connecting the first and second handle sections, a second connection assembly for connecting the second and third handle sections, and a third connection assembly for connecting the first and third handle sections. In some embodiments, the endoscope handle section 100 may also include a first connection assembly for connecting the first and second handle sections and a second connection assembly for connecting the second and third handle sections, with no connection required between the third and first handle sections. The third handle portion may include a third operating portion for providing components operatively associated with the third handle portion. The third handle portion may also include a third instrument port for providing operational access to associated instruments used in operation of the endoscope handle portion 100.

In some embodiments, the first, second, and third handle portions may be circumferentially distributed to make up the endoscope handle portion 100. For example, the first handle section, the second handle section, and the third handle section may be respectively assembled into the endoscope handle section 100 at three equally-divided positions on the circumference, in which case the first handle section and the second handle section are connected by a first connecting assembly, the second handle section and the third handle section are connected by a second connecting assembly, and the first handle section and the third handle section are connected by a third connecting assembly.

In some embodiments, the first handle portion, the second handle portion, and the third handle portion may also be arranged side-by-side to form the endoscope handle portion 100. For example, the first handle section, the second handle section, and the third handle section may constitute the endoscope handle section 100 in three positions, i.e., the first handle section and the second handle section are connected by a first connecting assembly, the second handle section and the third handle section are connected by a second connecting assembly, and the first handle section and the third handle section are not connected.

In some embodiments, the endoscope handle portion 100 may further include a fourth handle portion and a fifth handle portion arranged in a manner similar to the three handle portions described above, as will be appreciated by those skilled in the art based on the foregoing, and will not be described in detail herein.

FIG. 4 is a schematic structural view of a first handle portion of the handle portion of an endoscope in accordance with certain embodiments of the present application; FIG. 5 is a schematic diagram of a second handle portion of the handle portion of an endoscope, according to some embodiments of the present application.

In some embodiments, the connection assembly 30 may include a first connection 103 disposed on the first handle portion 10 and a second connection 203 disposed on the second handle portion 20. The first handle part 10 and the second handle part 20 can be connected by the cooperation of the first connecting part 103 and the second connecting part 203. In some embodiments, the connection assembly may employ, but is not limited to, a snap-fit arrangement, a snap-fit connection, a socket connection, a threaded connection, and the like.

Referring to fig. 3-5, in some embodiments, the first connection portion 103 can include a suction portion 1031, the second connection portion 203 can include a attracted portion 2031, and the suction portion 1031 can provide a force to attract the attracted portion 2031 such that the first handle portion 10 and the second handle portion 20 are brought together and joined together under the force to form the endoscope handle 1. The direction of the force provided by the attraction 1031 may be perpendicular to the plane of the first connection portion 103 on the first handle portion 10, and the force may be an attraction force. In some embodiments, the attracting portion and the attracted portion may also be interchanged, i.e. the second connecting portion 203 comprises the attracting portion and the first connecting portion 103 comprises the attracted portion. The attraction part 1031 may be a component capable of providing an attraction force, including but not limited to a component providing an attraction force by a magnetic element, a component providing an attraction force by air pressure, a component providing an attraction force by a material surface force, and the like. In some embodiments, the attraction 1031 may include a magnetic element, and the force to attract the attracted portion 2031 may be provided by the magnetic element. In some embodiments, the magnetic element may be a magnet or an electromagnet. In some embodiments, the attracted portion 2031 may or may not include a magnetic element therein. For example, the attracted portion 2031 includes a magnetic element, and a magnetic pole on an outer side surface thereof is opposite to a magnetic pole on an outer side surface of the attraction portion 1031, and the attraction portion 1031 and the attracted portion 2031 attract each other to connect the first handle portion 10 and the second handle portion 20. For another example, the attracted portion 2031 may contain a ferromagnetic substance instead of a ferromagnetic element, and the attracted portion 2031 may receive the attraction force of the attraction portion 1031 to connect the first handle portion 10 and the second handle portion 20.

In some embodiments, the suction portion 1031 and the sucked portion 2031 each include a contact surface for interconnecting when the suction portion 1031 and the sucked portion 2031 are sucked together. In some embodiments, in order to enhance the stability of the connection at the time of the attraction, the contact surfaces on the attraction portion 1031 and the attracted portion 2031 may have the same shape and size. It is to be understood that the suction portion 1031 and the attracted portion 2031 may also be engaged when the contact surfaces on the suction portion 1031 and the attracted portion 2031 do not have the same shape and/or size. In some embodiments, the suction portion 1031 and the sucked portion 2031 may also have the same shape and size. In some embodiments, the suction portion 1031 and the sucked portion 2031 may not have the same shape and size. It is to be understood that the relationship of the shapes and/or sizes of the suction portion 1031 and the sucked portion 2031 does not affect the relationship of the shapes and sizes of their respective contact surfaces, and for example, the suction portion 1031 and the sucked portion 2031 which are different in shape and/or size may also have contact surfaces of the same shape and size.

In some embodiments, referring to fig. 4-5, the first connection portion 103 further includes a first shaped mating portion 1032, and the second connection portion 203 further includes a second shaped mating portion 2032. The first and second mating portions 1032, 2032 are adapted to mate with each other to limit the sliding movement of the connecting assembly 30 along the connecting surface or prevent the rotating movement of the connecting assembly about an axis perpendicular to the connecting surface after connecting the first and second handle portions 10, 20. In some embodiments, the first shaped portion 1032 may be a concave (or convex) shaped structure, and the second shaped portion 2032 may be a convex (or concave) shaped structure corresponding to the first shaped portion 1032. When the connecting assembly 30 connects the first handle portion 10 and the second handle portion 20, the male structure of the second mating portion 2032 can be inserted into the female structure of the first mating portion 1032 to form a mating. In some embodiments, the shape of the concave (or convex) shaped structure of the first shaped fitting 1032 may be rectangular, oblong, oval, saw-tooth, or irregular, and the shape of the convex (or concave) shaped structure of the second shaped fitting 2032 corresponds to the same shape of the concave (or convex) shaped structure of the first shaped fitting 1032.

In some embodiments, the first and second connection portions 103, 203 may be part of the housing of the first and second handle portions 10, 20. The housing of the first handle part 10 may form a suction part 1031 in which a magnetic element may be disposed; the housing of the second handle portion 20 may form an engaged portion 2031 in which a magnetic element or ferromagnetic substance may be disposed. The first handle portion 10 and the second handle portion 20 can be connected together by a suction portion 1031 and an attracted portion 2031 formed by the respective housings. In some embodiments, the first connecting portion 103 and the second connecting portion 203 may also comprise a connecting structure fixed (e.g., bolted) to the connecting surface of the first handle portion 10 and the second handle portion 20. The connection structures may include a suction portion 1031 and a sucked portion 2031, respectively. The first handle portion 10 and the second handle portion 20 may be connected together by a connecting structure secured thereto. In some embodiments, the first and second connection portions 103 and 203 may further include bolt holes 1032 and 2032 for securing their corresponding connection structures.

In some embodiments, the connection assembly 30 may further include a snap and groove structure, a slide and baffle structure, a threaded fit structure, an interference fit structure, and the like. For example, the first connection part 103 of the connection assembly 30 may include a snap structure, and the second connection part 203 of the connection assembly 30 may include a groove structure that mates with the snap structure, such that the first connection part 103 may be connected with the second connection part 203. In some embodiments, the first connecting portion 103 of the connecting member 30 may include an external (or internal) thread structure, and the second connecting portion 203 of the connecting member 30 may include an internal (or external) thread structure matching the external (or internal) thread structure of the first connecting portion 103, wherein the external thread structure includes a bolt post having an external thread on a surface thereof, the internal thread structure includes a screw hole having an internal thread on an internal surface thereof, and the engagement of the bolt post with the screw hole enables the fixed connection of the two corresponding handle portions. It should be understood that the above-mentioned embodiments of the connecting structure for the connecting assembly 30 are not exhaustive and do not limit the present application, and that other configurations of the connecting assembly 30 may be used to connect the first handle portion 10 and the second handle portion 20.

FIG. 6 is a schematic structural view of an endoscope according to some embodiments of the present application.

As shown in fig. 6, in some embodiments, endoscope 300 may include a first handle portion 10, a second handle portion 20, a first insertion tube 1010, and a second insertion tube 2010. Wherein the first insertion tube 1010 is connected to the first handle portion 10 and the second insertion tube 2010 is connected to the second handle portion 20. In some embodiments, the first insertion tube 1010 and the second insertion tube 2010 may include an interior space for housing the functional components. In some embodiments, the functional components may perform at least a photographing function, a water circulation function, and a function of controlling bending of the insertion tube. In some embodiments, the functional component for implementing the photographing function may include a camera module, an optical fiber, a cable, a light source, and the like; the functional component for realizing the water circulation function can comprise one or more water channels and the like; the functional components for performing the function of controlling the bending of the insertion tube may include a snake bone structure, a steel wire, etc. The interior space of the first insertion tube 1010 and the second insertion tube 2010 may also include hollow passages, the diameter of each of which may be considered as its inner diameter. Wherein the inner diameter of the first insertion tube 1010 is greater than or equal to the outer diameter of the second insertion tube 2010 so that the second insertion tube 2010 can be inserted into the hollow portion of the inner space of the first insertion tube 1010. In some embodiments, the hollow channel is non-cylindrical or irregularly shaped, and then, in this case, the smallest caliber size among the caliber sizes of the hollow channel can be considered as its inner diameter size. Correspondingly, the maximum caliber dimension of the outer wall of the first insertion tube 1010 and/or the second insertion tube 2010 can be considered as its outside diameter dimension.

In some embodiments, after the second insertion tube 2010 is inserted into the interior space of the first insertion tube 1010, to ensure that the second insertion tube 2010 has sufficient play, the inner diameter of the first insertion tube 1010 is less than or equal to the outer diameter of the second insertion tube 2010. In some embodiments, the difference is at least 0.4 mm.

In some embodiments, the length of the first insertion tube 1010 is less than the length of the second insertion tube 2010 such that the second insertion tube 2010, after being inserted into the interior space of the first insertion tube 1010, may extend from the end of the first insertion tube (i.e., the end distal from the first handle portion 10) such that the second insertion tube 2010 may have a further operative position than the first insertion tube 1010.

In some embodiments, the interior spaces of the first and second insertion tubes 1010, 2010 may be in communication with the first and second instrument ports 102, 202 on the first and second handle portions 10, 20, respectively. Other related instruments that need to be used in the operation of the endoscope 300 can enter the inner space of the corresponding first insertion tube 1010 and/or second insertion tube 2010 through the first instrument port 102 and/or second instrument port 202 and can protrude from the end of the first insertion tube 1010 and/or second insertion tube 2010. In some embodiments, the caliber of the first instrument port 102 is larger than the outer diameter of the second insertion tube 2010, and the second insertion tube 2010 can be inserted into the interior space of the first insertion tube 1010 through the first instrument port 102.

In some embodiments, the first insertion tube 1010 and the second insertion tube 2010 may be connected and secured to the first instrument port 102 and the second instrument port 202, respectively, by dedicated joints. In some embodiments, the dedicated fitting may be a Luer fitting (Luer taper), which may include a male Luer-Lok connection fitting and a female Luer-Lok fitting. The two ends of the dedicated joint are respectively connected with the hollow channels of the inner spaces of the instrument ports (the first instrument port 102 and/or the second instrument port 202) and the insertion tubes (the first insertion tube 1010 and/or the second insertion tube 2010).

In some embodiments, referring to fig. 1-6, a first push rod 1013 and a first rotation stop knob 1014 on the first operating portion 101 can be used to control the bending motion of the end of the first insertion tube 1010. The second pusher 2013 and the second rotation stop 2014 of the second operating portion 201 may be used to control the bending movement of the distal end of the second insertion tube 2010. In some embodiments, the first 1010 and/or second 2010 insertion tubes may have a serpentine bone structure at the ends thereof and a steel wire in tension connecting the serpentine bone structure. The first and/or second push rods 1013, 2013 are connected to a wire, and when the first and/or second push rods 1013, 2013 are pushed, the wire is pulled by the push rods, and the wire drives the snake bone structure to generate bending motion. For example, by pushing the first push rod 1013, the tip of the first insertion tube 1010 may be bent, the greater the pushing angle of the first push rod 1013, the greater the bending degree of the tip of the first insertion tube 1010, and when the tip of the first insertion tube 1010 is bent to a desired position, the first rotation stop button 1014 may be used to stop the first push rod 1013 so that the first push rod 1013 is maintained at a current position, and at the same time, the tip of the first insertion tube 1010 may be maintained at the current bent position. The kinematic relationship among the second push rod 2013, the second rotation stop 2014 and the end of the second insertion tube 2010 is similar to that described above and will not be further described herein.

The advantages that may be provided by the endoscope and endoscope handle disclosed herein include, but are not limited to: (1) the endoscope disclosed by the application can realize simultaneous observation or treatment of a plurality of parts in one-time use, has a more simplified use flow and higher use efficiency, and can greatly avoid the risk and pain of a patient in the use process; (2) the endoscope handle disclosed by the application is compact in structure, a single handle comprises the function buttons of the handle parts, the endoscope insertion tubes can be controlled by a single hand, and the operation of an endoscope user is facilitated.

Having thus described the basic concept, it will be apparent to those skilled in the art that the foregoing detailed disclosure is to be considered merely illustrative and not restrictive of the broad application. Various modifications, improvements and adaptations to the present application may occur to those skilled in the art, although not explicitly described herein. Such modifications, improvements and adaptations are proposed in the present application and thus fall within the spirit and scope of the exemplary embodiments of the present application.

Also, this application uses specific language to describe embodiments of the application. Reference throughout this specification to "one embodiment," "an embodiment," and/or "some embodiments" means that a particular feature, structure, or characteristic described in connection with at least one embodiment of the present application is included in at least one embodiment of the present application. Therefore, it is emphasized and should be appreciated that two or more references to "an embodiment" or "one embodiment" or "an alternative embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, some features, structures, or characteristics of one or more embodiments of the present application may be combined as appropriate.

Similarly, it should be noted that in the preceding description of embodiments of the application, various features are sometimes grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the disclosure aiding in the understanding of one or more of the embodiments. This method of disclosure, however, is not intended to require more features than are expressly recited in the claims. Indeed, the embodiments may be characterized as having less than all of the features of a single embodiment disclosed above.

Numerals describing the number of components, attributes, etc. are used in some embodiments, it being understood that such numerals used in the description of the embodiments are modified in some instances by the use of the modifier "about", "approximately" or "substantially". Unless otherwise indicated, "about", "approximately" or "substantially" indicates that the number allows a variation of ± 20%. Accordingly, in some embodiments, the numerical parameters used in the specification and claims are approximations that may vary depending upon the desired properties of the individual embodiments. In some embodiments, the numerical parameter should take into account the specified significant digits and employ a general digit preserving approach. Notwithstanding that the numerical ranges and parameters setting forth the broad scope of the range are approximations, in the specific examples, such numerical values are set forth as precisely as possible within the scope of the application.

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

Claims (16)

1. An endoscope handle portion comprising:

a first handle portion; a second handle portion; a connecting assembly for connecting the first handle portion with the second handle portion;

the first handle portion includes a first operating portion; the second handle portion includes a second operating portion.

2. The endoscopic handle portion of claim 1 wherein said first handle portion and said second handle portion are removably connected by said connection assembly.

3. The endoscopic handle portion of claim 1 wherein the connection assembly includes a first connection portion disposed on the first handle portion and a second connection portion disposed on a second handle portion.

4. The endoscopic handle portion of claim 3 wherein the first connection portion comprises a suction portion; the second connecting portion includes a attracted portion; the attracting portion and the attracted portion can provide a force that brings the first handle portion and the second handle portion closer to each other.

5. The endoscopic handle portion of claim 4 wherein at least one of the attracting portion and the attracted portion comprises a magnetic element.

6. The endoscopic handle portion of claim 3 wherein the connection assembly further comprises a first mating portion disposed on the first connection portion and a second mating portion disposed on the second connection portion; the first matching part and the second matching part can be matched to limit the first handle part to move relative to the second handle part.

7. The endoscopic handle portion of claim 1 wherein the first and second handle portions are half-shell shaped.

8. The endoscopic handle portion of claim 1 wherein the first handle portion comprises a first instrument port; the second handle includes a second instrument port; the second instrument opening is higher than the first instrument opening in height.

9. The endoscopic handle portion of claim 3 wherein the first connection portion comprises an external thread structure; the second connecting portion includes an internal thread structure that is capable of mating with the external thread structure.

10. The endoscope handle portion of claim 1, wherein a picture taking operation button and a water circulation operation button are provided on outer surfaces of the first and second handle portions at positions opposite to the first and second operation portions, respectively.

11. The endoscopic handle portion of claim 1 wherein the first operating portion comprises a first push rod and a first anti-rotation feature; the second operation portion comprises a second push rod and a second rotation stopping structure.

12. An endoscope comprising an endoscope handle portion according to any of claims 1 to 11; a first insertion tube connected to the first handle portion, a second insertion tube connected to the second handle portion; the first insertion tube has an inner diameter greater than or equal to an outer diameter of the second insertion tube.

13. The endoscope of claim 12, wherein the difference between the inner diameter of the first insertion tube and the outer diameter of the second insertion tube is at least 0.4 mm.

14. The endoscope of claim 12, wherein the first insertion tube has a length that is less than a length of the second insertion tube.

15. The endoscope of claim 12, wherein the first handle portion comprises a first instrument port in communication with the interior space of the first insertion tube; the second handle portion comprising a second instrument port in communication with the interior space of the second insertion tube; the caliber of the first instrument opening is larger than the outer diameter of the second insertion tube.

16. The endoscope of claim 12, wherein the movement of the first and second operating portions is capable of imparting bending movement to the distal ends of the first and second insertion tubes, respectively.

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