CN210902910U

CN210902910U - Integrated surgical endoscope

Info

Publication number: CN210902910U
Application number: CN201920935625.5U
Authority: CN
Inventors: 徐振亮; 齐梦超
Original assignee: TIANJIN BOLANG SCIENCE AND TECHNOLOGY DEVELOPMENTCO Ltd
Current assignee: TIANJIN BOLANG SCIENCE AND TECHNOLOGY DEVELOPMENTCO Ltd
Priority date: 2019-06-20
Filing date: 2019-06-20
Publication date: 2020-07-03
Anticipated expiration: 2029-06-20

Abstract

The utility model provides an integral type operation endoscope especially relates to a hard integral type hysteroscope of using when gynaecology's operation. The main structure of the endoscope comprises a common endoscope optical system with an image transmission function inside, an instrument channel, a liquid injection channel for providing water flow for operation and an illuminating optical fiber. Form a whole structure of can not dismantling through the improvement, compare in the structure that can split, each part of inserting portion links together, supports each other, has improved the overall structure intensity of product greatly, has solved traditional endoscope because the diameter of inserting portion is thinner, self intensity is low, in the normal problem of dismantling, disinfecting and the extremely fragile of in-process of installation. Due to the lack of a detachable structure, the disassembly and assembly are reduced, the difficulty in operation is greatly reduced, and the probability of misoperation is reduced. The more compact structure can also achieve smaller size, and is easier to reduce the injury and infection of patients caused by the insertion of the instrument.

Description

Integrated surgical endoscope

Technical Field

The utility model belongs to the technical field of medical instrument and specifically relates to an integral type operation endoscope is related to.

Background

A conventional hysteroscopic surgical instrument generally includes an endoscope, a sheath, an obturator and other main operating instrument components in a handheld operating part, and the sheath usually consists of an inner sheath and an outer sheath. Sterilization is required between different procedures. And each standard disinfection operation needs to be carried out on the disassembly of the instruments so as to carry out comprehensive disinfection operation. When the endoscope is disassembled, the diameter of the insertion part is thin, the strength of the endoscope is low, the endoscope is extremely easy to damage in the normal disassembling, sterilizing and installing processes, the disassembling of the instrument can also increase the training and operating difficulty of medical staff, and the working time of the medical staff is increased. The problem to be solved is particularly urgent, as the more compact structure makes the product more lightweight, especially how to make the product more slim at the insertion end. Because the inserted part direct action is human, all need pass through the human body when inserting like hysteroscopic operation, especially when passing through the uterus, because human uterus is natural pore, product size is invariable, and smaller product has littleer influence, otherwise the product is bigger more can cause bigger wound to the people more, need expand the uterus even and just can perform the operation, the painful and postoperative infected risk that makes the operation bring can great increase like this. The significance of how to make the product more compact is particularly important.

Disclosure of Invention

In view of this, the present invention provides an integrated surgical endoscope, which can solve the above problems.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

an integrated operation endoscope comprises an insertion part, a bridge part and an endoscope part which are connected in sequence, the insertion part comprises an outer sheath tube, a liquid injection channel special tube, an illumination optical fiber tube and an optical lens circular tube which are sequentially arranged from outside to inside, the liquid injection channel special tube is convex upwards and concave downwards and is in a bridge-shaped structure, one side of the inner wall of the outer sheath tube is close to and attached to one side of the upper part of the outer wall of the liquid injection channel special tube, the inner side of the concave surface of the lower end of the liquid injection channel special tube is abutted against the illumination optical fiber tube, so that the illumination optical fiber tube is clamped in the liquid injection channel special tube, a backflow channel is formed between the outer part of the liquid injection channel special tube and the outer sheath tube, a water inlet channel is formed between the two sides of the illumination optical fiber tube and the liquid injection channel special tube, an illumination optical fiber and filling glue are filled in a;

the endoscope bridge part comprises a central end main body and a main body outer sleeve, the main body outer sleeve is detachably sleeved on the outer side of the central end main body in a sealing manner, the inner side structure of the central end main body comprises a sight glass end hole, an outer sheath hole and an instrument channel, the sight glass end hole, the outer sheath hole and the instrument channel are communicated with each other, the outer sheath hole is used for being inserted into an outer sheath pipe, the instrument channel is used for being inserted into an operating forceps;

the outer side of the central end main body is respectively provided with a water inlet groove and a water return groove, a water inlet hole is formed between the water inlet groove and the sight glass end hole, a water return hole is formed between the water return groove and the outer sheath hole, a water inlet valve is communicated between the main body outer sleeve and the water inlet groove, a water return valve is communicated between the main body outer sleeve and the water return groove, the sight glass end hole is communicated with the water inlet channel, and the outer sheath hole is communicated with the return channel.

Furthermore, the outer side of the central end main body is provided with a rubber ring sealing groove, a sealing rubber ring is arranged in the rubber ring sealing groove, the outer side of the central end main body is sleeved with the main body outer sleeve, the sealing rubber ring is matched to form a sealing structure, the main body outer sleeve is locked on the threaded portion of the end portion of the central end main body through a locking nut and tightly abuts against the main body outer sleeve, and the main body outer sleeve is rotatable relative to the central end main body.

Further, the longitudinal section of the gap between the illumination optical fiber tube and the optical lens circular tube is annular or crescent-shaped.

Furthermore, a liquid injection channel special pipe support is arranged on the end hole of the sight glass and positioned on the right side of the water return hole, and the liquid injection channel special pipe support sleeve is arranged on the liquid injection channel special pipe to support and position the liquid injection channel special pipe.

Furthermore, an illumination optical fiber tube support is arranged on the end hole of the sight glass and positioned on the right side of the water inlet hole, and the illumination optical fiber tube support is sleeved on the illumination optical fiber tube to support and position the illumination optical fiber tube.

Furthermore, one end of the injection channel special pipe is arranged on the end head of the insertion part, and the other end of the injection channel special pipe is arranged on the injection channel special pipe support; one end of the illumination fiber tube is on the end of the insertion portion and the other end is inside the endoscope portion.

Further, the tip side direction of outer sheath pipe is obtuse inclined plane below the upper acute angle, and the inclined plane of obtuse angle department is the fillet or chamfer with outside transition, is the fillet at whole inclined plane and terminal surface and outside edge.

Furthermore, a downward protruding structure is arranged at the joint of the outer sheath tube and the endoscope bridge part, and the diameter of the protruding structure is larger than the diameters of other parts of the outer sheath tube.

Furthermore, a plurality of drain holes are formed on the side wall of the return channel close to the end part.

Furthermore, the end connection of apparatus passageway has the check valve of dismantling to connect, is equipped with the check valve in the check valve of dismantling connects, and the apparatus inserts in the apparatus passageway through dismantling the check valve and connecting.

Compared with the prior art, the integrated surgical endoscope has the following beneficial effects: form a whole structure of can not dismantling through the improvement, compare in the structure that can split, each part of inserting portion links together, supports each other, has improved the overall structure intensity of product greatly, has solved traditional endoscope because the diameter of inserting portion is thinner, self intensity is low, in the normal problem of dismantling, disinfecting and the extremely fragile of in-process of installation. Due to the lack of a detachable structure, the disassembly and assembly are reduced, the difficulty in operation is greatly reduced, and the probability of misoperation is reduced. The more compact structure can also achieve smaller size, and is easier to reduce the injury and infection of patients caused by the insertion of the instrument.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an exploded view of the present invention;

FIG. 3 is a vertical sectional view of the present invention;

FIG. 4 is an enlarged view of portion A of FIG. 3;

FIG. 5 is a longitudinal sectional view of the insertion portion (the illumination fiber tube and the optical lens barrel are eccentric);

FIG. 6 is a longitudinal sectional view of the insertion portion (the illumination fiber tube and the optical lens circular tube are concentric);

FIG. 7 is a schematic view of the package of FIG. 5 after the illumination fibers and the encapsulant have been filled;

FIG. 8 is a schematic view of the package of FIG. 6 after the illumination fibers and the encapsulant have been filled;

FIG. 9 is a schematic structural view of the center-end body;

FIG. 10 is a front view of the center end body;

FIG. 11 is a left side view of the center end body;

FIG. 12 is a cross-sectional view taken along plane A-A of FIG. 11;

FIG. 13 is a schematic view of the structure of the body cover;

FIG. 14 is an internal schematic view of FIG. 13;

FIG. 15 is a schematic structural view of the lock nut;

FIG. 16 is a schematic view of the structure of the bridge portion;

FIG. 17 is a schematic view showing an internal structure of a bridge portion in use;

FIG. 18 is an enlarged schematic view of a portion of the left end section of FIG. 17;

fig. 19 is a schematic perspective view of a support for a profile tube of a liquid injection channel;

FIG. 20 is a front view of FIG. 19;

FIG. 21 is a left side view of FIG. 20;

FIG. 22 is a perspective view of an illumination fiber tube support;

FIG. 23 is a front view of FIG. 22;

description of reference numerals:

1-an insertion portion; 11-sheath canal; 12-liquid injection channel special pipe; 13-an illumination fiber tube; 14-optical lens round tube; 15-a return channel; 16-a water inlet channel; 17-a gap; 18-optical lens and optical system parts; 19-illumination fiber and filling glue; a 2-mirror bridge portion; 21-a central end body; 211-outer sheath aperture; 2111-backwater groove; 2112-water inlet groove; 212-speculum end hole; 213-instrument channel; 214-stepped bore; 215-water return hole; 216-water inlet hole; 217-a threaded portion; 218-rubber ring seal groove; 22-body cover; 221-a water inlet valve; 222-a water return valve; 23-a locking nut; 24-supporting the special-shaped pipe of the liquid injection channel; 25-lighting fiber tube support; 26-sealing rubber ring; 3-an endoscope portion; 4-a detachable one-way valve joint; 5-inclined plane; 6-a drain hole; 7-protruding structure.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1 to 23, an integrated surgical endoscope includes an insertion section 1, a bridge section 2 and an endoscope section 3 which are connected in this order, the insertion part 1 comprises an outer sheath tube 11, a liquid injection channel special tube 12, an illumination optical fiber tube 13 and an optical lens circular tube 14 which are sequentially arranged from outside to inside, wherein the liquid injection channel special tube 12 is in a bridge-shaped structure with an upper part and a lower part, one side of the inner wall of the outer sheath tube 11 is close to and attached to one side of the upper part of the outer wall of the liquid injection channel special tube 12, the inner side of the concave surface at the lower end of the liquid injection channel special tube 12 is abutted to the illumination optical fiber tube 13, so that the illumination optical fiber tube 13 is clamped in the liquid injection channel special tube 12, a backflow channel 15 is formed between the outer part of the liquid injection channel special tube 12 and the outer sheath tube 11, a water inlet channel 16 is formed between the two sides of the illumination optical fiber tube 13 and the liquid injection channel special tube.

The gap 17 between the illumination fiber tube 13 and the optical lens barrel 14 is filled with an illumination fiber and a filling compound 19, and the optical lens barrel 14 houses optical system components 18 such as an optical lens for transmitting an image and a metal spacer, which actually function as an endoscope optical image transmission and observation member.

The bridge part 2 comprises a central end main body 21 and a main body outer sleeve 22, the main body outer sleeve 22 is detachably sleeved on the outer side of the central end main body 21 in a sealing manner, the inner side structure of the central end main body 21 comprises a sight glass end hole 212, an outer sheath hole 211 and an instrument channel 213, the sight glass end hole 212, the outer sheath hole 211 and the instrument channel are communicated with each other, the instrument channel is used for being inserted into a surgical clamp, and the instrument channel is positioned below the sight glass end hole 212;

the outer side of the central end main body 21 is respectively provided with a water inlet groove 2112 and a water return groove 2111, a water inlet hole 216 is formed between the water inlet groove 2112 and the sight glass end hole 212, a water return hole 215 is formed between the water return groove 2111 and the outer sheath hole 211, a water inlet valve 221 is communicated between the main body outer sleeve 22 and the water inlet groove 2112, a water return valve 222 is communicated between the main body outer sleeve 22 and the water return groove 2111, the sight glass end hole 212 is communicated with the water inlet channel 16, and the outer sheath hole 211 is communicated with the return channel 15.

The outer side of the central end main body 21 is provided with three rubber ring sealing grooves 218, sealing rubber rings 26 are arranged in the rubber ring sealing grooves 218, the main body outer sleeve 22 is sleeved on the outer side of the central end main body 21 and matched with the sealing rubber rings 26 to form a sealing structure, the main body outer sleeve 22 is tightly pressed against the threaded part 217 of the end part of the central end main body 21 through the locking nut 23, and the main body outer sleeve 22 can rotate relative to the central end main body 21.

The longitudinal section of the gap 17 between the illumination fiber tube 13 and the optical lens circular tube 14 is annular (the two tubes are concentric as shown in fig. 6-7) or crescent-shaped (the two tubes are eccentric as shown in fig. 5 and 8).

The sight glass end hole 212 is provided with a liquid injection channel special pipe support 24 at the right side of the water return hole 215, and the liquid injection channel special pipe support 24 is sleeved on the liquid injection channel special pipe 12 to support and position the liquid injection channel special pipe 12.

An illumination optical fiber tube support 25 is arranged on the sight glass end hole 212 and positioned at the right side of the water inlet hole 216, and the illumination optical fiber tube support 25 is sleeved on the illumination optical fiber tube 13 to support and position the illumination optical fiber tube 13.

One end of the injection channel special pipe 12 is arranged on the end head of the insertion part 1, and the other end of the injection channel special pipe 12 is arranged on the injection channel special pipe support 24; the illumination fiber tube 13 has one end on the tip of the insertion portion 1 and the other end inside the endoscope portion 3.

The tip side direction of outer sheath pipe 11 is obtuse inclined plane 5 below the upper acute angle, and the inclined plane 5 of obtuse angle department is the fillet or chamfer with outside transition, is the fillet at whole inclined plane 5 and terminal surface and outside edge. The fillet structure is convenient for reducing the injury to the human body when the operation is inserted. When performing an operation, because the one end of end is comparatively sharp, in order to avoid the point portion injury human body, often can oppress the end other end, the other end can form the oppression to the human body this moment, and the structure changes into breach formula fillet and then can form a fine buffering to the human body, avoids consequently receiving the injury.

The sheath tube 11 is provided with a downward protruding structure 7 at the joint with the bridge part 2 (namely the tail end of the sheath tube 11), and the diameter of the protruding structure 7 is larger than the diameters of other parts of the sheath tube 11. The buffer device has the function of providing buffer for inserted instruments such as medical forceps and the like in instrument channels when the instruments pass through, so that the turning radius is larger when the instruments are inserted, and the instruments are inserted more smoothly. While the root of the insertion portion is provided with a circular configuration. The circular configuration facilitates easier machining of the body portion. Meanwhile, the outer sheath tubes with different specifications can be arranged to use the same circular structure, so that the processing is more uniform.

The side wall of the return channel 15 near the end is provided with a plurality of drain holes 6. The backflow channel 15 not only provides channel space for medical forceps and other related instruments, but also can be used as a water return channel, so that perfusion is formed between the backflow channel and the water inlet channel 16.

The end part of the instrument channel 213 is connected with a detachable one-way valve joint 4, a one-way valve is arranged in the detachable one-way valve joint 4, and an instrument is inserted into the instrument channel 213 through the detachable one-way valve joint 4. The axial centerline of the instrument channel 213 is angled at 8 deg. to the axial centerline of the speculum end bore 212 as shown in fig. 17.

The outward end of the instrument channel 213 is provided with a stepped hole 214 for inserting the detachable one-way valve joint 4 and the pipe fitting.

The endoscope portion 3 includes a scope body member in which a hole and a hole between the center end body 21 are connected by a metal pipe. The interior of the endoscope is provided with an optical fiber tube, an optical fiber, an inner tube and a lens structure thereof which are arranged in a conventional endoscope structure, and the light guide bundle, the camera and a related interface are connected through a light inlet component part and an eye shield.

The water inlet valve 221 enters the water inlet hole 216 through the water inlet groove 2112 and then enters the water inlet cavity, the water inlet cavity is connected with a water inlet channel of the liquid injection channel special pipe, and water flows out from the other end of the channel to enter a human body. The liquid entering the human body flows back to the channel cavity through the return channel of the insertion structure and the drain hole at the side of the return channel, then enters the water return cavity at the main body end, enters the water return groove 2111 through the water return hole 215, and is discharged through the water return valve 222.

There will be a one-way valve blocking the water flow due to the instrument channel 13. The water flow reaches the water return cavity through the water return hole 15 and is discharged through the water return valve 5 on the main body outer sleeve 2, so that perfusion circulation is formed with the inlet water.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An integrated surgical endoscope, comprising an insertion part (1), a bridge part (2) and an endoscope part (3) which are connected in sequence, characterized in that: the insertion part (1) comprises an outer sheath tube (11), a liquid injection channel special-shaped tube (12), an illumination optical fiber tube (13) and an optical lens round tube (14) which are sequentially arranged from outside to inside, the liquid injection channel special-shaped tube (12) is convex upwards and concave downwards and is of a bridge-shaped structure, one side of the inner wall of the outer sheath tube (11) is close to and attached to one side of the upper part of the outer wall of the liquid injection channel special-shaped tube (12), the inner side of the concave surface of the lower end of the liquid injection channel special-shaped tube (12) is abutted to the illumination optical fiber tube (13), the illumination optical fiber tube (13) is clamped in the liquid injection channel special-shaped tube (12), the outside of the liquid injection channel special-shaped tube (12) and the outer sheath tube (11) form a backflow channel (15), a water inlet channel (16) is formed between the two sides of the illumination optical fiber tube (13) and the liquid injection channel special-shaped tube (12), and a gap (17), the optical lens round tube (14) is internally provided with an optical lens for transmitting images and an optical system part (18);

the endoscope bridge part (2) comprises a central end main body (21) and a main body outer sleeve (22), the main body outer sleeve (22) is detachably sleeved on the outer side of the central end main body (21), the inner side structure of the central end main body (21) comprises endoscope end holes (212) which are communicated with each other, an outer sheath hole (211) for inserting an outer sheath tube and an instrument channel (213) for inserting an operating forceps, and the instrument channel is positioned below the endoscope end holes (212);

the outer side of the central end main body (21) is respectively provided with a water inlet groove (2112) and a water return groove (2111), a water inlet hole (216) is formed between the water inlet groove (2112) and the sight glass end hole (212), a water return hole (215) is formed between the water return groove (2111) and the outer sheath hole (211), a water inlet valve (221) is communicated between the main body outer sleeve (22) and the water inlet groove (2112), a water return valve (222) is communicated between the main body outer sleeve (22) and the water return groove (2111), the sight glass end hole (212) is communicated with the water inlet channel (16), and the outer sheath hole (211) is communicated with the return channel (15).

2. The integrated surgical endoscope of claim 1, wherein: the outer side of the central end main body (21) is provided with a rubber ring sealing groove (218), a sealing rubber ring (26) is arranged in the rubber ring sealing groove (218), the outer side of the central end main body (21) is sleeved with a main body outer sleeve (22), the sealing rubber ring (26) is matched to form a sealing structure, the main body outer sleeve (22) is locked on a threaded portion (217) of the end portion of the central end main body (21) through a locking nut (23), and the main body outer sleeve (22) is tightly jacked and can rotate relative to the central end main body (21).

3. The integrated surgical endoscope of claim 1, wherein: the longitudinal section of a gap (17) between the illumination optical fiber tube (13) and the optical lens circular tube (14) is annular or crescent.

4. The integrated surgical endoscope of claim 1, wherein: and a liquid injection channel special-shaped pipe support (24) is arranged on the sight glass end hole (212) and positioned at the right side of the water return hole (215), and the liquid injection channel special-shaped pipe support (24) is sleeved on the liquid injection channel special-shaped pipe (12) to support and position the liquid injection channel special-shaped pipe (12).

5. The integrated surgical endoscope of claim 1, wherein: and an illuminating optical fiber tube support (25) is arranged on the sight glass end hole (212) and positioned at the right side of the water inlet hole (216), and the illuminating optical fiber tube support (25) is sleeved on the illuminating optical fiber tube (13) to support and position the illuminating optical fiber tube (13).

6. The integrated surgical endoscope of claim 1, wherein: one end of the injection channel special pipe (12) is arranged on the end head of the insertion part (1), and the other end of the injection channel special pipe is arranged on the injection channel special pipe support (24); one end of the illumination fiber tube (13) is arranged on the end head of the insertion part (1), and the other end is arranged in the endoscope part (3).

7. The integrated surgical endoscope of claim 1, wherein: the tip side direction of outer sheath pipe (11) is obtuse inclined plane (5) below the upper acute angle, and inclined plane (5) and the outside of obtuse angle department excessively are fillet or chamfer, are the fillet at whole inclined plane (5) and terminal surface and outside edge.

8. The integrated surgical endoscope of claim 1, wherein: the sheath tube (11) is provided with a downward protruding structure (7) at the joint with the bridge part (2), and the pipe diameter of the protruding structure (7) is larger than that of other parts of the sheath tube (11).

9. The integrated surgical endoscope of claim 1, wherein: the side wall of the return channel (15) close to the end part is provided with a plurality of drain holes (6).

10. The integrated surgical endoscope of any one of claims 1-9, wherein: the end part of the instrument channel (213) is connected with a detachable one-way valve joint (4), a one-way valve is arranged in the detachable one-way valve joint (4), and an instrument is inserted into the instrument channel (213) through the detachable one-way valve joint (4).