CN220344381U - Front-end operable endoscopic instrument - Google Patents

Abstract

The utility model discloses an endoscope instrument with an operable front end, and belongs to the technical field of medical instruments. The endoscope apparatus with the front operable end comprises a main body, a handle and a sheath tube arranged at one side of the handle, wherein an extended endoscope flexible section is arranged in the sheath tube; the bending assembly comprises a snake bone structure and a first pulling piece, the snake bone structure is arranged in the flexible section of the endoscope, one end of the first pulling piece is connected with the snake bone structure, and the other end of the first pulling piece is arranged at the hand-held end in a penetrating manner; the opening and closing assembly is arranged at the front end of the endoscope flexible section and can be opened or closed relative to the endoscope flexible section. The utility model can open and close the front end of the endoscope and bend the front end of the endoscope, has simple structure and convenient operation, and reduces the operation difficulty.

Description

Front-end operable endoscopic instrument

Technical Field

The utility model relates to the technical field of medical instruments, in particular to an endoscope instrument with an operable front end.

Background

Endoscopes generally refer to medical instruments that enter the human body through various ducts to observe the internal condition of the body. The lesions that cannot be seen by X-rays can be seen with an endoscope, so that it is very useful for doctors. Such as by an endoscopist, to view ulcers or tumors in the stomach, whereby an optimal treatment regimen is established. Some endoscopes have therapeutic functions such as cystoscope, gastroscope, coliscope, bronchoscope, laparoscope, etc.

Currently available endoscopic and laparoscopic instruments on the market are extremely difficult to learn to operate and use, mainly due to their lack of flexibility in use. For example, when using a typical laparoscopic instrument during surgery, the orientation of the tool of the instrument is determined only by the target and the location of the incision, which is commonly referred to as the fulcrum effect. As a result, common tasks such as suturing, knotting and fine dissection become difficult to master. And the structure of the endoscope becomes complicated.

For this reason, it is highly desirable to provide an endoscopic instrument with a front end operable to solve the above-mentioned problems.

Disclosure of Invention

The utility model aims to provide an endoscope instrument with an operable front end, which enables the front end of an endoscope to be opened and closed and bent, has a simple structure, is convenient to operate, and reduces the operation difficulty.

In order to achieve the above object, the following technical scheme is provided:

a front-end operable endoscopic instrument comprising:

the endoscope comprises a main body, a handle and a sheath tube, wherein the main body comprises a handheld end and the sheath tube is arranged at one side of the handheld end, and an extended endoscope flexible section is arranged in the sheath tube;

the bending assembly comprises a snake bone structure and a first pulling piece, the snake bone structure is arranged in the flexible section of the endoscope, one end of the first pulling piece is connected with the snake bone structure, and the other end of the first pulling piece is arranged at the hand-held end in a penetrating manner;

the opening and closing assembly is arranged at the front end of the endoscope flexible section and can be opened or closed relative to the endoscope flexible section.

As an alternative to the endoscope apparatus with a front-end operable, the bending assembly further comprises a slider, the slider being arranged at the hand-held end, one end of the first pulling member remote from the snake bone structure being connected to the slider, the slider being capable of sliding in a direction approaching or departing from the sheath relative to the hand-held end.

As an alternative to the front-end operable endoscopic instrument, the bending assembly further comprises a thumb ring, an outer annular wall of which is connected to the slider block for driving the slider block in movement.

As an alternative to the endoscopic instrument operable at the front end, the snake bone structure comprises a plurality of ring members and connecting members, a plurality of ring members are sequentially arranged in series through the connecting members, and the first pulling member is connected with a plurality of ring members.

As an alternative to the endoscope apparatus with the front-end operable, the first pulling member is a first steel wire, and a first pipe through which the first steel wire passes is provided in the flexible section of the endoscope.

As an alternative of the endoscope apparatus with the front end operable, the opening and closing assembly comprises a first connecting rod and a second connecting rod which are hinged, and a third connecting rod and a fourth connecting rod which are hinged, wherein the hinged position of the first connecting rod and the second connecting rod is arranged at the front end of the flexible section of the endoscope, one end of the third connecting rod is hinged with the first connecting rod, one end of the fourth connecting rod is hinged with the second connecting rod, the first end of the second pulling member is connected with the hinged position of the third connecting rod and the fourth connecting rod, and the second end of the second pulling member penetrates through the handheld end.

As an alternative to the front-end operable endoscopic instrument, the hand-held end is rotatably provided with a turntable, and the second end of the second pulling member is connected to an outer edge of the turntable.

As an alternative to the front-end operable endoscopic instrument, the dial is provided with a lever extending in a radial direction of the dial.

As an alternative to the endoscope apparatus with the front-end operable, the second pulling member is a second steel wire, and a second pipe through which the second steel wire passes is provided in the flexible section of the endoscope.

As an alternative to the front-end operable endoscopic instrument, a third conduit for mounting a lens and a fourth conduit for mounting an optical fiber are provided within the flexible section of the endoscope.

Compared with the prior art, the utility model has the beneficial effects that:

the endoscope instrument with the front end operable is characterized in that a bending component and an opening and closing component are arranged on a main body, a snake bone structure is arranged in an extended flexible section of the endoscope, bending of the flexible section of the endoscope can be realized by pulling a first pulling piece, and the bending angle of the flexible section of the endoscope is used for adjusting the pitch angle of the endoscope instrument; an opening and closing component which can be opened or closed is arranged at the front end of the flexible section of the endoscope, and when the endoscope is deep into the body, a fulcrum can be formed by the opening and closing component, so that the accuracy of the operation is improved; the bending component and the opening and closing component meet the opening and closing and bending functions of the front end of the flexible section of the endoscope, and the endoscope has the advantages of simple structure, convenience in operation and reduction of operation difficulty.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following description will briefly explain the drawings needed in the description of the embodiments of the present utility model, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the contents of the embodiments of the present utility model and these drawings without inventive effort for those skilled in the art.

FIG. 1 is a schematic view of an assembly of an endoscopic instrument with a front end operable in accordance with an embodiment of the present utility model;

FIG. 2 is a schematic diagram illustrating operation of a bending assembly according to an embodiment of the present utility model;

FIG. 3 is a schematic diagram illustrating operation of the opening and closing assembly according to an embodiment of the present utility model;

FIG. 4 is a schematic structural view of a quadrilateral linkage of an opening and closing assembly according to an embodiment of the present utility model;

fig. 5 is a schematic view of the forward end of a flexible section of an endoscope in an embodiment of the present utility model.

Reference numerals:

1. a main body; 2. a bending assembly; 3. an opening and closing assembly;

11. a hand-held end; 12. a sheath; 13. an endoscope flexible section; 131. a third conduit; 132. a fourth conduit; 133. a second pipe;

21. a snake bone structure; 211. a ring member; 212. a connecting piece; 22. a first pulling member; 23. a slide block; 24. a thumb ring;

31. a first link; 32. a second link; 33. a third link; 34. a fourth link; 35. a second pulling member; 36. a turntable; 37. a deflector rod.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed", "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected or integrally connected; either mechanically or electrically. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In order to facilitate opening and closing and bending of the distal end of the endoscope and reduce the complexity of the structure and the difficulty of the operation, the present embodiment provides an endoscope apparatus with an operable distal end, and the endoscope is used in laser ablation surgery, and details of the present embodiment are described in detail below with reference to fig. 1 to 5.

In this embodiment, the front-end operable endoscopic instrument includes a main body 1, a bending assembly 2, and an opening and closing assembly 3. Wherein the main body 1 comprises a hand-held end 11 and a sheath tube 12 arranged at one side of the hand-held end 11, and an extended endoscope flexible section 13 is arranged in the sheath tube 12. The bending assembly 2 comprises a snake bone structure 21 and a first pulling member 22, wherein the snake bone structure 21 is arranged in the endoscope flexible section 13, one end of the first pulling member 22 is connected with the snake bone structure 21, and the other end of the first pulling member 22 penetrates through the handheld end 11. The opening and closing assembly 3 is provided at the front end of the endoscope flexible section 13 and can be opened or closed with respect to the endoscope flexible section 13.

In short, the endoscope apparatus with the front-end operable provided by the utility model is characterized in that the bending component 2 and the opening and closing component 3 are arranged on the main body 1, the snake bone structure 21 is arranged in the extending flexible section 13 of the endoscope, and the bending of the flexible section 13 of the endoscope can be realized by pulling the first pulling piece 22, so that the pitch angle of the endoscope apparatus can be adjusted; the front end of the endoscope flexible section 13 is provided with an opening and closing component 3 which can be opened or closed, when the endoscope is deep into the body, a fulcrum can be formed by the opening and closing component 3, so that the accuracy of the operation is improved; the bending component 2 and the opening and closing component 3 meet the opening and closing and bending functions of the front end of the flexible section 13 of the endoscope, and are simple in structure, convenient to operate and capable of reducing operation difficulty.

Further, the bending assembly 2 further comprises a slider 23, the slider 23 is disposed at the hand-held end 11, an end of the first pulling member 22 away from the snake bone structure 21 is connected with the slider 23, and the slider 23 can slide relative to the hand-held end 11 along a direction approaching or separating from the sheath 12. When the slider 23 is slid relative to the hand-held end 11, the first pulling member 22 can be caused to pull the snake bone structure 21 to deflect the snake bone structure 21 in a predetermined direction.

Further, the bending assembly 2 further comprises a thumb ring 24, and an outer annular wall of the thumb ring 24 is connected with the slider 23 for driving the slider 23 to move. Because the thumb ring 24 is fixedly connected with the sliding block 23, the fingers of medical staff can be conveniently inserted into the thumb ring 24, so that the sliding block 23 is pushed to move, and the operation difficulty of the bending assembly 2 is reduced.

Further, the snake bone structure 21 comprises a plurality of ring-shaped members 211 and connecting members 212, the plurality of ring-shaped members 211 are sequentially connected in series through the connecting members 212, and the first pulling member 22 is connected with the plurality of ring-shaped members 211. In some application scenarios, the first pulling member 22 is connected to several ring members 211 located at the front end, so that the first pulling member 22 controls the deflection angle between the ring members 211.

Further, the first pulling member 22 is a first steel wire, and a first pipeline through which the first steel wire passes is arranged in the endoscope flexible section 13. The first steel wire can slide in the first pipeline, and when the first steel wire moves towards one side close to the handheld end 11 relative to the first pipeline, the bending degree of the flexible section 13 of the endoscope is increased; the bending of the flexible section 13 of the endoscope is reduced when the first wire is moved relative to the first tube to a side remote from the hand-held end 11.

Further, the opening and closing assembly 3 comprises a first connecting rod 31 and a second connecting rod 32 which are hinged, a third connecting rod 33 and a fourth connecting rod 34 which are hinged, a hinge joint of the first connecting rod 31 and the second connecting rod 32 is arranged at the front end of the endoscope flexible section 13, one end of the third connecting rod 33 is hinged with the first connecting rod 31, one end of the fourth connecting rod 34 is hinged with the second connecting rod 32, a first end of the second pulling member 35 is connected with a hinge joint of the third connecting rod 33 and the fourth connecting rod 34, and a second end of the second pulling member 35 penetrates through the handheld end 11. The first link 31, the second link 32, the third link 33 and the fourth link 34 are hinged to each other to form a parallelogram link structure, and the hinged position of the third link 33 and the fourth link 34 can be moved forward or backward by pulling the second pulling member 35, so that the first link 31 and the second link 32 are closed and opened or closed.

Further, the hand-held end 11 is rotatably provided with a turntable 36, and a second end of the second pulling member 35 is connected to an outer edge of the turntable 36. By rotating the dial 36 in either the forward or reverse direction, the second pulling member 35 can be moved relative to the flexible endoscope section 13, thereby deforming the parallelogram linkage structure pulled by the second pulling member 35.

Further, a lever 37 is provided on the turntable 36, and the lever 37 extends in the radial direction of the turntable 36. The length of the lever 37 is greater than the radius of the dial 36. In other embodiments, graduation marks are circumferentially provided on the turntable 36 for displaying the angle through which the turntable 36 rotates and the degree of opening and closing of the first link 31 and the second link 32.

Further, the second pulling member 35 is a second steel wire, and a second pipe 133 through which the second steel wire passes is provided in the endoscope flexible section 13. The second steel wire can slide in the second pipeline 133, and when the second steel wire moves towards one side close to the handheld end 11 relative to the second pipeline 133, the opening and closing degree of the first connecting rod 31 and the second connecting rod 32 is increased; when the second wire moves to the two sides far from the hand-held end 11 relative to the second pipe 133, the opening and closing degree of the first link 31 and the second link 32 is reduced.

Further, a third pipe 131 and a fourth pipe 132 are arranged in the endoscope flexible section 13, a lens is arranged in the third pipe 131, and an optical fiber is arranged in the fourth pipe 132. The lens and the optical fiber are arranged in the endoscope flexible section 13, so that the in-vivo focus can be detected and observed in time.

Note that the above is only a preferred embodiment of the present utility model and the technical principle applied. It will be understood by those skilled in the art that the present utility model is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, while the utility model has been described in connection with the above embodiments, the utility model is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the utility model, which is set forth in the following claims.

Claims (10)

1. A front-end operable endoscopic instrument, comprising:

the main body (1) comprises a handheld end (11) and a sheath tube (12) arranged at one side of the handheld end (11), wherein an extended endoscope flexible section (13) is arranged in the sheath tube (12);

the bending assembly (2) comprises a snake bone structure (21) and a first pulling piece (22), wherein the snake bone structure (21) is arranged in the endoscope flexible section (13), one end of the first pulling piece (22) is connected with the snake bone structure (21), and the other end of the first pulling piece (22) is arranged at the handheld end (11) in a penetrating mode;

the opening and closing assembly (3) is arranged at the front end of the endoscope flexible section (13) and can be opened or closed relative to the endoscope flexible section (13).

2. The front-end operable endoscopic instrument of claim 1, wherein the bending assembly (2) further comprises a slider (23), the slider (23) being arranged at the hand-held end (11), the end of the first pulling member (22) remote from the snake bone structure (21) being connected to the slider (23), the slider (23) being slidable relative to the hand-held end (11) in a direction towards or away from the sheath (12).

3. The front-end operable endoscopic instrument of claim 2, wherein the bending assembly (2) further comprises a thumb ring (24), an outer annular wall of the thumb ring (24) being connected to the slider block (23) for driving the slider block (23) to move.

4. The front-end operable endoscopic instrument of claim 1, wherein said snake bone structure (21) comprises a plurality of ring members (211) and a connector (212), a plurality of said ring members (211) being serially connected in sequence by said connector (212), said first pulling member (22) being connected to a plurality of said ring members (211).

5. The front-end operable endoscopic instrument of claim 1, wherein said first pulling member (22) is a first wire, and wherein a first conduit through which said first wire is threaded is provided within said endoscope flexible section (13).

6. The front-end operable endoscopic instrument of any one of claims 1-5, wherein the opening and closing assembly (3) comprises a first link (31) and a second link (32) hinged to each other and a third link (33) and a fourth link (34) hinged to each other, a hinge of the first link (31) and the second link (32) is provided at a front end of the endoscope flexible section (13), one end of the third link (33) is hinged to the first link (31), one end of the fourth link (34) is hinged to the second link (32), a first end of a second pulling member (35) is connected to a hinge of the third link (33) and the fourth link (34), and a second end of the second pulling member (35) is provided through the hand-held end (11).

7. The front-end operable endoscopic instrument of claim 6, wherein the hand-held end (11) is rotatably provided with a turntable (36), the second end of the second pulling member (35) being connected to an outer edge of the turntable (36).

8. The front-end operable endoscopic instrument of claim 7, wherein a lever (37) is provided on the dial (36), the lever (37) extending in a radial direction of the dial (36).

9. The front-end operable endoscopic instrument of claim 6, wherein said second pulling member (35) is a second wire, and wherein a second channel (133) through which said second wire is threaded is provided in said endoscope flexible section (13).

10. The front-end operable endoscopic instrument of claim 6, wherein a third tube (131) and a fourth tube (132) are provided within the endoscope flexible section (13), the third tube (131) being for mounting a lens and the fourth tube (132) being for mounting an optical fiber.