WO2023216708A1

WO2023216708A1 - Endoscope butt joint structure, endoscope handle, and endoscope

Info

Publication number: WO2023216708A1
Application number: PCT/CN2023/081130
Authority: WO
Inventors: 周震华
Original assignee: 湖南省华芯医疗器械有限公司
Priority date: 2022-05-10
Filing date: 2023-03-13
Publication date: 2023-11-16
Also published as: CN114886363B; CN114886363A

Abstract

The present invention is suitable for the technical field of endoscopes, and provides an endoscope butt joint structure, an endoscope handle, and an endoscope. The endoscope butt joint structure comprises: an accommodating housing, an accommodating space being arranged in the accommodating housing; a compressible body, one end of the compressible body being fixedly arranged in the accommodating space; a traction rope mounting body, the traction rope mounting body being fixedly arranged at the other end of the compressible body and being arranged in the accommodating space; and a traction rope, one end of the traction rope being fixedly connected with the traction rope mounting body. The movable range of the compressible body in the present application can be determined according to the shape and the size of the accommodating space, and the activity range and arrangement of other parts located outside the outer wall of the accommodating housing cannot be affected in the process.

Description

Endoscope docking structure, endoscope handle and endoscope

Technical field

The present invention relates to the technical field of endoscopes, and in particular, to an endoscope docking structure, an endoscope handle and an endoscope.

Background technique

An endoscope is a commonly used medical device that can directly enter the natural channels of the human body to provide doctors with sufficient diagnostic information to treat diseases. When used, the insertion part of the endoscope enters the human body through the natural orifice of the human body or a small surgical incision, and the doctor can directly observe changes in the relevant parts.

When the endoscope in the prior art is a detachable endoscope, after the upper handle and the lower handle are docked, when the traction rope is driven, a large amount of space will be needed to provide the range of movement of the traction rope, and at the same time, the connection with the traction rope will be reduced. The traction rope is also arranged in the space required by other components in the endoscope handle, affecting the normal operation of other components.

Contents of the invention

The purpose of the present invention is to provide an endoscope docking structure, an endoscope handle and an endoscope to solve the above technical problems existing in the prior art, including the following three aspects:

A first aspect of the present invention provides an endoscope docking structure, including:

a housing housing, with a housing space provided in the housing housing;

A compressible body, one end of which is fixedly disposed in the accommodation space;

A traction rope installation body, the traction rope installation body is fixedly provided at the other end of the compressible body, and the traction rope installation body is provided in the accommodation space;

A traction rope, one end of which is fixedly connected to the traction rope installation body.

Further, the compressible body includes a plurality of compressible body units, and two adjacent compressible body units are sealingly connected through a connecting piece.

Further, a docking port is provided at the top of the accommodation shell, and the docking port communicates with the compressible body.

Further, a limiting member is provided on at least one of the inner wall of the accommodating housing or the outer wall of the traction rope mounting body.

Further, a wire passage hole is provided at the bottom of the accommodation housing, and the traction rope is connected to the traction rope mounting body through the wire passage hole.

A second aspect of the present invention provides an endoscope handle, including:

An upper handle, the upper handle includes an air supply part;

A lower handle, the lower handle includes the above-mentioned endoscope docking structure;

One end of the air supply component is sealingly connected to the docking port.

Further, the accommodation shell and the lower handle are integrally formed.

Further, the air supply member and the docking port may be connected by snapping and/or threading.

A third aspect of the present invention provides an endoscope, including the above-mentioned endoscope handle.

Compared with the prior art, the present invention at least has the following technical effects:

(1) In the endoscope docking structure provided by this application, when external air enters the docking structure, the air pressure generated causes at least one of the first compressible body or the second compressed body to be in an extended state and move along the accommodating shell. At the same time, the other of the first compressible body or the second compressible body is in a contracted state, and the inner wall of the housing is contracted in the opposite direction to the extended state, thereby driving the corresponding traction The rope moves; the movable range of the compressible body in this application can be determined according to the shape and size of the accommodation space, that is, the compressible body can shrink or expand according to the direction and space set by the pre-accommodation shell. In this process It will not affect the range of movement and arrangement of other components located outside the outer wall of the housing; in addition, by using gas to shrink or expand the compressible body to drive the traction rope to move, it is easy to control accurately.

(2) The compressible body may be composed of multiple compressible body units. Each compressible unit has a short length. When the external air source enters the compressible body, the connecting pipe will gather the air source and guide the air source. Yuankuai Quickly enter the corresponding compressible unit. The compressible unit can be switched to the corresponding contraction or extension state in time, and the control effect of the traction rope can be fed back in time; the movement of the traction rope can be controlled by controlling the length of the connecting tube or compressible body. length.

Description of the drawings

In order to explain the technical solutions of the embodiments of the present invention more clearly, the drawings needed to be used in describing the embodiments of the present invention or the prior art will be briefly introduced below. Obviously, the drawings described below are only illustrative of the present invention. For some embodiments, for those of ordinary skill in the art, other drawings can be obtained based on these drawings without exerting creative efforts.

Figure 1 is a cross-sectional view of the endoscope docking structure in the present invention;

Figure 2 is a schematic structural diagram of the endoscope docking structure in the present invention;

Figure 3 is a cross-sectional view of the endoscope docking structure in the present invention;

Figure 4 is a first structural schematic diagram of the endoscope handle in the present invention;

Figure 5 is a first structural cross-sectional view of the endoscope handle in the present invention;

Figure 6 is a second structural schematic diagram of the endoscope handle in the present invention;

Figure 7 is a second structural cross-sectional view of the endoscope handle in the present invention.

In the figure: 10 - accommodation shell; 11 - docking port; 20 - compressible body; 30 - traction rope installation body; 40 - traction rope; 50 - air supply part.

Detailed ways

The following description provides many different embodiments, or examples, for implementing various features of the invention. The components and arrangements described in the following specific examples are only used to concisely express the present invention. They are only used as examples and are not intended to limit the present invention.

In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments These are some embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention. Therefore, the following pair in the attached figure The detailed description of the embodiments of the invention provided in is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention.

In the present invention, unless otherwise clearly stated and limited, the terms "installation", "connection", "connection", "fixing" and other terms should be understood in a broad sense. For example, it can be a fixed connection or a detachable connection. , or integrated; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be an internal connection between two elements or an interaction between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. In addition, the terms "first", "second", "third", etc. are only used to distinguish descriptions and shall not be understood as indicating or implying relative importance.

In the present invention, unless otherwise clearly stated and limited, the first feature being above or below the second feature may include the first and second features being in direct contact, or the first and second features not being in direct contact. is through additional characteristic contact between them. Furthermore, the first feature on, above and above the second feature includes the first feature directly above and diagonally above the second feature, or simply means that the first feature is higher level than the second feature. The first feature below, below and below the second feature includes the first feature directly below and diagonally below the second feature, or simply means that the first feature has a smaller horizontal height than the second feature.

Example 1:

Embodiment 1 of the present invention provides an endoscope docking structure, including:

Accommodating housing 10, with an accommodating space provided in the accommodating housing 10;

A compressible body 20, one end of which is fixedly disposed in the accommodation space;

The traction rope installation body 30 is fixedly provided at the other end of the compressible body 20, and the traction rope installation body 30 is provided in the accommodation space;

The traction rope 40 has one end fixedly connected to the traction rope installation body 30 .

In the above scheme, as shown in Figures 1 to 3, the accommodation shell 10 is cylindrical and has a hollow structure, and the hollow structure is the accommodation space; the accommodation shell 10 includes a first containing shell The first accommodation shell and the second accommodation shell have the same structure. This arrangement facilitates subsequent accurate control of the traction rope through the endoscope.

The compressible body 20 is cylindrical as a whole, including both ends; the compressible body 20 includes a first compression body and a second compression body, and the first compression body is fixedly installed in the first accommodation shell, One end of the first compression body is fixedly installed on the docking surface of the first accommodation shell (i.e., one end of the port), and the other end (i.e., the free end) of the first compression body can be mounted along the first accommodation shell. The inner wall of the housing contracts and expands in a direction away from the docking surface to drive the corresponding first traction rope to tighten and relax; the second compression body is fixedly installed in the second accommodation housing, and the second compression body One end of the compression body is fixedly installed on the second accommodation shell close to the docking surface (i.e., one end of the port), and the other end (i.e., the free end) of the second compression body can be moved away along the inner wall of the second accommodation shell. Contract and stretch in the direction of the joint surface to drive the corresponding second traction rope to tighten and relax.

The traction rope installation body 30 is disk-shaped, and the traction rope installation body 30 includes a first traction rope installation body and a second traction rope installation body; the traction rope 40 includes a first traction rope and a second traction rope; One end surface of the first traction rope installation body is fixedly installed on the other end (i.e., the free end) of the first compressible body, and the other end is fixedly connected to one end of the first traction rope. The first traction rope The other end passes through the first accommodation shell, and the first traction rope can move relative to the first accommodation shell; one end surface of the second traction rope installation body is fixedly installed on the second compressible body The other end (i.e., the free end) is fixedly connected to one end of the second traction rope. The other end of the second traction rope passes through the second accommodation shell, and the second traction rope can be opposite to the second traction rope. Accommodating the housing for movement.

Optionally, the first compressible body is fixedly installed in the accommodation space of the first accommodation shell, the second compressible body is fixedly installed in the accommodation space of the second accommodation shell, and the first compressible body is fixedly installed in the accommodation space of the second accommodation shell. One end surface of the traction rope installation body is fixedly installed on the other end of the first compressible body, and the other end is fixedly connected to the first traction rope. One end surface of the second traction rope installation body is fixedly installed on the second compressible body. The other end of the compression body is fixedly connected to the second traction rope, and the fixed connection and fixed installation methods can be gluing, snapping, integrated molding, etc.

Optionally, the compressible body in this application can be an air bag or a balloon, and the compressible body in this application is preferably It is an airbag, as shown in Figures 2 and 3. The airbag is foldable, and the folding direction is to expand and fold along the longitudinal direction of the inner wall of the housing. When gas enters the airbag, the airbag will slowly expand. , avoid stretching or compressing too quickly, exerting too much traction on the traction rope, causing the flexible component connected to the other end of the traction rope to bend excessively, etc.

Specifically, the endoscope docking structure in this application can also be provided with two sets, and the two sets are arranged at an angle between them, and can drive the two sets of traction ropes to drive the bending components to bend in four directions; in addition, the inner The sight glass docking structures can also be set in three sets, four sets, etc., and two adjacent sets of docking structures are arranged at an angle, and the corresponding traction rope can be driven to drive the bending assembly to bend in six or eight directions.

Optionally, the shape of the accommodation shell 10 may also be a rectangular parallelepiped, a triangular prism, a cube, a sphere, etc. There is no limitation here, as long as the compressible body 20 can be accommodated in its accommodation space.

Therefore, in the endoscope docking structure provided by the present application, when external air enters the docking structure, the air pressure generated causes at least one of the first compressible body or the second compressed body to be in an extended state and move along the edge of the housing. At the same time, the other of the first compressible body or the second compressible body is in a contracted state, and the inner wall of the housing is contracted in the opposite direction to the extended state, thereby driving the corresponding traction rope Move; the movable range of the compressible body in this application can be determined according to the shape and size of the accommodation space, that is, the compressible body can shrink or expand according to the direction and space set by the pre-accommodation shell, and there is no need to It will affect the range and arrangement of other components located outside the outer wall of the housing; in addition, by using gas to shrink or stretch the compressible body to drive the traction rope to move, the overall size of the docking structure is reduced, making it easier to Precisely control the air intake volume.

Further, the compressible body 20 includes a plurality of compressible body units, and two adjacent compressible body 20 units are sealingly connected through connecting pieces.

In the above solution, the compressible body 20 can be composed of multiple compressible body units, and each compressible unit can be a compressed air bag as shown in Figure 2, or a compressible body such as a balloon, which will not be discussed here. Limitation, the compressible body 20 also includes a connecting piece, and the compressible body units are sealed and connected through the connecting piece. The number of the compressible body units can be set to 2, 3, etc., and the connecting piece can be a connecting pipe to facilitate The gas passes through, and the compressible body 20 is arranged into a plurality of compressible units, the length of each compressible unit being Short, when the external air source enters the compressible body, the connecting pipe will gather the air source and guide the air source to quickly enter the corresponding compressible unit. The compressible unit can make the corresponding contraction or expansion state in time, which is The control effect of the traction rope can be fed back in time; the moving length of the traction rope can be controlled by controlling the length of the connecting tube or compressible body.

The sealing connection method may adopt glue, sealing ring, etc. methods.

Furthermore, a docking port 11 is provided at the top of the accommodation housing 10 , and the docking port 11 communicates with the compressible body 20 .

In the above solution, as shown in Figure 1, a docking port 11 is provided on the top of the housing 10 (i.e., the plane docking with the outside). The shape of the docking port 11 can be round, square, etc., which will not be discussed here. Limitation; the docking port 11 is connected to any one of the compressible body units or connectors in the compressible body 20, so that the air source can smoothly enter the compressible body unit, so that the compressible body 20 can drive the traction rope 40 along the The inner wall of the housing 10 is moved, and the interface 11 is sealingly connected to the air inlet of the compressible body 20 to avoid air leakage.

Further, at least one of the inner wall of the accommodation housing 10 or the outer wall of the traction rope mounting body 30 is provided with a limiting member.

In the above solution, a limiter is provided on the inner wall of the accommodating housing 10, and the limiter is a limiting protrusion. When the traction rope installation body 30 moves downward along the axial direction of the accommodating housing 10, It will contact with the limiting protrusion to prevent the traction rope installation body from continuing to move downward; a limiting groove can also be provided on the inner wall of the accommodation shell 10, and the traction rope installation body 30 is close to the accommodation shell A limiting protrusion is provided on the outer wall of the inner wall of the body 10. When the traction rope mounting body 30 moves downward along the axial direction of the housing 10, the limiting protrusion and the limiting groove cooperate with each other to limit the position; A spring is provided on the outer wall of the traction rope installation body 30 close to the inner wall of the housing 10. One end of the spring is connected to the traction rope installation body, and a steel ball is installed at the other end. The steel ball cooperates with the limiting groove to realize the traction. The rope mounting body 30 is limited in the accommodating housing 10; or a limiting protrusion is provided on the inner wall of the accommodating housing 10, and a limiting protrusion is provided on the outer wall of the traction rope mounting body 30 close to the inner wall of the accommodating housing 10. A limiting groove is provided, and the limiting groove cooperates with the limiting groove to realize the limiting cooperation between the two; in this application, the limiting groove is provided in the accommodation shell 10 A limiter is provided on at least one of the inner wall of the traction rope mounting body 30 or the outer wall of the traction rope installation body 30 to prevent the compressible body from over-expanding and causing difficulty in shrinking the compressible body.

Further, the bottom of the accommodation housing 10 is provided with a wire hole, and the traction rope 40 is connected to the traction rope installation body 30 through the wire hole.

In the above solution, a wire hole is provided at the bottom of the accommodation shell 10. The size and shape of the wire hole can be set according to the shape and size of the traction rope; it can also be set according to the difference between the air pressure in the compressible body and the external air pressure. The size relationship is set so that the compressible body can contract or expand smoothly. The traction rope 40 can be connected to the traction rope installation body 30 by gluing, or can be fixedly connected by integral molding.

In addition, in the endoscope docking structure of the present application, the traction rope mounting body 30 is provided with threading holes. The threading holes include a first threading hole and a second threading hole. The first threading hole and The second threading hole passes through, and the penetration between the first threading hole and the second threading hole forms a step surface. The expansion part is fixedly connected to one end of the traction rope, and the expansion part is movably installed on the third threading hole. two threading holes, and one end of the expansion part is in contact with the step surface; the traction rope installation body 30 is arranged in a disc shape, and one end of the traction rope enters the traction rope installation body 30 through the threading holes, and Keep it from slipping out of the threading hole.

It should be noted that, in this embodiment, the traction rope mounting body 30 can also be configured as a quadrangular prism, a triangular prism or other cylindrical shapes. There is no limitation here, as long as the traction rope mounting body can be accommodated in the housing 10 Just move it.

The number of threading holes may be 1, 2, 3, etc., and is not limited here.

In this embodiment, two threading holes are provided, namely a first threading hole and a second threading hole. The first threading hole and the second threading hole are coaxially arranged and penetrate each other. In this embodiment, the first threading hole and the second threading hole are arranged coaxially. The threading hole and the second threading hole are arranged in a circular shape, and the diameter of the first threading hole is smaller than the diameter of the second threading hole, so that a step surface is formed at the penetration point between the two.

The first threading hole and the second threading hole may be circular, square, triangular, polygon or other shapes, which are not limited here; and the cross-sectional dimensions of the first threading hole and the second threading hole are set differently. , the size can be area, radius, width, length, etc., as long as it can be shaped where the two are connected Just make it into a stepped surface.

The expansion part is columnar, and the columnar shape includes a solid main body and a hollow tube. The expansion part selected in the present invention is a hollow columnar shape, and the expansion part is a columnar shape without a top. One end of the traction rope 40 Entering the expansion part through the hole on the expansion part, the operator pulls out the traction rope 40 from the side without the top end of the expansion part, and ties this end of the traction rope 40 so that the traction rope 40 One end cannot be pulled out of the expansion.

The expansion part is located in the second threading hole, and one end of the expansion part connected to the first traction rope is in contact with the step surface, so that the expansion part does not enter the first threading hole, so When the expansion part is provided, the maximum width of the cross-section of the expansion part cannot be less than the diameter of the first threading hole.

When the selected expanded portion is solid, one end of the traction rope 40 can be fixedly connected to the expanded portion by gluing or integrally forming.

It should be noted that the shape of the expansion part can be columnar, rectangular parallelepiped, cube, sphere and other shapes. The specific shape is not limited here, as long as the expansion part can not slip out from the hole in the step surface and maintain the shape. The traction rope 40 is always connected to the traction rope installation body 30 .

Example 2:

Embodiment 2 of the present invention provides an endoscope handle, including:

An upper handle, the upper handle includes an air supply part 50;

One end of the air supply member 50 is sealingly connected to the docking port 11 .

In the above solution, as shown in Figures 5 to 7, an air supply part 50 is installed in the upper handle. The air supply part 50 can be an air supply pipe. One end of the air supply pipe is sealed and docked with the docking port 11, and the other end is connected with the docking port 11. The external air source is connected, and the amount of contraction or expansion of the compressible body 20 can be accurately controlled by controlling the air supply amount of the external air source; in this application, the contraction and expansion of the compressible body 20 are controlled by using the air supply member 50 as the driving force. , compared with other driving mechanisms, it saves driving space, that is, it expands the installation space of other components in the upper handle, and avoids the impact on the arrangement or activities of other components in the upper handle when other driving mechanisms in the prior art move. The driving mechanism in this application is simple, it is only an air supply pipe, and one pipe is used for inflation. The other tube is used for suction, allowing both compressible bodies to move simultaneously in opposite directions.

Furthermore, the accommodation housing 10 and the lower handle are integrally formed.

In the above solution, in this application, the accommodating housing 10 and the lower handle can also be integrally formed, as shown in Figures 6-7. The accommodating housing 10 can also be fixedly connected to the housing of the lower handle; integrally formed The setting method is not only convenient for processing, but also has good air tightness.

Further, the air supply member 50 and the docking port 11 may be connected by snapping and/or threading.

In the above solution, optionally, the sealing connection method between one end of the air supply member 50 and the docking port 11 may be adhesive, interference fit, threaded connection, clamping, etc.

Embodiment three:

Embodiment 3 of the present invention provides an endoscope, including: the above-mentioned endoscope handle.

The above descriptions are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention shall be included in the protection of the present invention. within the range.

Claims

A detachable endoscope docking structure is characterized by including:

An accommodation shell (10), with an accommodation space provided in the accommodation shell (10);

A compressible body (20). One end of the compressible body (20) is fixedly arranged in the accommodation space. The compressible body (20) is an airbag. The compressible body (20) is arranged along the accommodation shell. The inner wall of the body (10) is stretched and folded in the longitudinal direction;

A traction rope installation body (30), the traction rope installation body (30) is fixedly provided at the other end of the compressible body (20), and the traction rope installation body (30) is provided in the accommodation space;

A traction rope (40). One end of the traction rope (40) is fixedly connected to the traction rope installation body (30).
The endoscope docking structure according to claim 1, characterized in that the compressible body (20) includes a plurality of compressible body units, and two adjacent compressible body units are sealingly connected through a connecting piece.
The endoscope docking structure according to claim 1, characterized in that a docking port (11) is provided at the top of the accommodation housing (10), and the docking port (11) and the compressible body (20) ) through.
The endoscope docking structure according to claim 1, characterized in that at least one of the inner wall of the accommodation housing (10) and the outer wall of the traction rope mounting body (30) is provided with a limiting member.
The endoscope docking structure according to claim 1, characterized in that the bottom of the accommodation housing (10) is provided with a wire hole, and the traction rope (40) passes through the wire hole and is connected to the traction rope. The rope installation body (30) is connected.
A detachable endoscope handle is characterized by including:

An upper handle, the upper handle includes an air supply part (50);

A lower handle, the lower handle includes the endoscope docking structure according to one of claims 1-5;

The upper handle and the lower handle are detachably connected;

One end of the air supply member (50) is sealingly connected to the compressible body (20);

The accommodation housing (10) and the lower handle are integrally formed.
The endoscope handle according to claim 6, characterized in that the air supply member (50) and The docking interface (11) can be connected by snapping and/or threading.
An endoscope, characterized by: including the endoscope handle according to any one of claims 6-7.