CN113951800B

CN113951800B - Endoscope equipment

Info

Publication number: CN113951800B
Application number: CN202111167464.8A
Authority: CN
Inventors: 肖健齐; 肖卓宜; 肖卓冉
Original assignee: Beijing Huateng Innovation Technology Co ltd
Current assignee: Beijing Huateng Innovation Technology Co ltd
Priority date: 2021-10-07
Filing date: 2021-10-07
Publication date: 2023-03-24
Anticipated expiration: 2041-10-07
Also published as: CN113951800A

Abstract

The invention discloses an endoscope device, which comprises an endoscope, a lens and a lens ring, wherein the lens and the lens ring are both arranged at the front end of the endoscope, the lens ring is a hollow ring, a hanging table is arranged in one end of the lens ring, the lens is arranged at the hanging table in the inner part of the lens ring, and the lens is manufactured into a series according to the curvature. This application is through the lens of the different radians of design to can reach the target scope of observing different through changing the lens, design optics zoom imaging lens simultaneously, can observe different target fields of vision through adjusting focal length.

Description

Endoscope equipment

Technical Field

The invention relates to the field of medical appliance articles, in particular to endoscope equipment.

Background

When the surgery is used for treating diseases, the lesion part needs to be accurately punctured and then an operation channel is established, or drainage, arteriovenous puncture and other operation operations are implemented, such as ventricular external drainage, ventricular abdominal cavity shunt, thoracic closed drainage, gastrointestinal decompression, brain tumor or cerebral hemorrhage operation, spinal column operation and the like. In order to avoid the operation failure caused by the wrong puncture direction, a variable-focus endoscope device under navigation or ultrasonic guidance is needed to assist an operator to observe the puncture direction, the puncture position and the surrounding situation in real time, accurately reach a focus and ensure the success of the operation. In addition, in the process of establishing the operation channel, damage to the periphery of the channel is inevitable, the establishment of the channel is usually performed in a hard puncture expansion mode from outside to inside, which easily causes pressure damage, a problem that the internal channel space is small and the inlet space is large, or the channel is established in a passive expansion and contraction mode, but a working sheath needs to be arranged secondarily, and side damage to the periphery of the channel is easy to generate.

Disclosure of Invention

The present invention is directed to providing an endoscopic apparatus that addresses the deficiencies of the prior art.

The endoscope equipment comprises an endoscope, a lens and a lens ring, wherein the lens and the lens ring are arranged at the front end of the endoscope, the lens ring is a hollow ring, a hanging table is arranged in one end of the lens ring, the lens is arranged at the position of the hanging table in the inner part of the lens ring, and the lens is manufactured into a series according to the curvature.

Further, the endoscope head end is equipped with the external screw thread, and the lens ring other end is equipped with the internal thread, and the lens ring passes through the screw thread to be installed at the endoscope head end.

Further, the lens is the eyepiece, and the endoscope is equipped with the sleeve pipe outward, the sleeve pipe is the hollow tube, and one end is equipped with the external screw thread, and the inside rubber ring in the installation that splices of the other end, and the endoscope penetrates the intraduct fixed through the frictional resistance who produces with interior rubber ring, and the sleeve pipe front end is provided with objective, and objective installs inside the objective ring, and the objective ring is installed in sleeve pipe screw thread department, and objective makes into series according to the camber.

Further, the outside of the front end of the outer sleeve is provided with an air bag which is a double-layer rubber bag, the outer layer is sleeved with a clamp, the inner layer is sleeved on the inner clamp, the air bag, the clamp and the inner clamp are fixedly integrated through glue joint, the front section of the inner clamp is provided with an elastic locking plate with an opening, the inner clamp is clamped at a positioning step of the sleeve, and the outer sleeve, the inner clamp and the air bag are communicated with each other to form an air passage.

Furthermore, an inner sheath and an outer sheath are arranged outside the rear end of the outer sleeve, the inner sheath is of a hollow round pipe structure, a rubber ring is arranged inside one end of the inner sheath, the other end of the inner sheath is externally provided with a rubber ring, the inner sheath is sleeved on the outer wall of the outer sleeve and fixed through friction resistance of the rubber ring, and the outer sheath is sleeved on the outer wall of the inner sheath and fixed through friction resistance of the rubber ring.

Further, the endoscope is arranged in the sleeve, the sleeve is a hollow pipe, the outer portion of one end of the sleeve is provided with a thread, the other end of the sleeve is connected with an inner rubber ring in an internal splicing mode, the other end of the lens ring is provided with an internal thread, and the lens ring is arranged at the thread end of the sleeve through the thread.

Further, the lens is objective, and endoscope and inter-casing are provided with interior sleeve pipe, and interior sleeve pipe front end is provided with the eyepiece ring, and the inside eyepiece that is provided with of eyepiece ring, interior sleeve pipe is the hollow tube, and one end is equipped with the inside splicing of the external screw thread other end and installs interior rubber ring, and the eyepiece ring is hollow ring, and one end is equipped with the inside string platform that is equipped with of the internal thread other end, and the eyepiece is installed in the inside string platform department of eyepiece ring, and the eyepiece ring passes through the screw thread and installs at interior sleeve pipe thread end, and interior sleeve pipe slides in the sleeve pipe in order to adjust the eyepiece and objective distance between, realizes the optics and zooms, and the eyepiece makes into series according to the camber. The endoscope penetrates into the inner sleeve and is fixed through frictional resistance generated by the inner rubber ring.

Furthermore, the air bag is arranged outside the front end of the sleeve, the air bag is a double-layer rubber bag, the outer layer of the air bag is sleeved with the clamp, the inner layer of the air bag is sleeved on the inner clamp, the air bag, the clamp and the inner clamp are fixedly integrated through glue joint, the front section of the inner clamp is provided with an open elastic locking plate, the inner clamp is clamped at a positioning step of the sleeve, and the sleeve, the inner clamp and the air bag are communicated with each other through an air passage.

Furthermore, an inner sheath and an outer sheath are arranged outside the rear end of the sleeve, the inner sheath is of a hollow round tube structure, a rubber ring is arranged inside one end of the inner sheath, the other end of the inner sheath is externally provided with a rubber ring, the inner sheath is sleeved on the outer wall of the sleeve and fixed through friction resistance of the rubber ring, and the outer sheath is sleeved on the outer wall of the inner sheath and fixed through friction resistance of the rubber ring.

Furthermore, the front end of the inner hoop is provided with a lining, the inner ring of the lining and one end of the lining are provided with bulges, the bulges of the inner ring of the lining are matched with the sleeve to realize mutual positioning, and the bulges at one end of the lining are matched with the inner hoop to be installed.

Furthermore, a front sleeve is arranged outside the front end of the sleeve, and a bulge at one end of the bushing is matched with the front sleeve for installation.

Furthermore, a drainage tube is arranged outside the sleeve, and the drainage tube is fixed with the outer wall of the sleeve through a rubber ring.

Furthermore, the lens is an ocular lens, an outer sleeve is arranged outside the outer sleeve, the outer sleeve is a hollow pipe, an external thread is arranged at one end of the outer sleeve, an outer rubber ring is arranged inside the other end of the outer sleeve in a splicing mode, an objective lens is arranged at the front end of the outer sleeve and inside an objective lens ring, the objective lens ring is arranged at the thread position of the outer sleeve, and the objective lens is manufactured into a series according to the curvature.

Further, the endoscope is a soft endoscope, a hard endoscope, an optical endoscope, or an electronic endoscope.

Besides the working sheath and the drainage tube, other accessories can be additionally arranged on the system, such as radio frequency ablation equipment, suction equipment, surgical micro-instruments and the like, so that the safety and the effectiveness of the minimally invasive surgery are greatly improved.

Compared with the prior art, the invention has the advantages that: the invention provides an endoscope device, which can achieve different target ranges by replacing lenses by designing the lenses with different radians, and can observe different target fields by adjusting focal lengths by designing an optical zoom imaging lens. After the channel is established by flexible expansion, the working sheath is placed at one time, which not only can reduce the side injury caused by rigid puncture, but also can reduce the side injury caused by secondary sheath placement, and improve the operation safety.

The lens with a certain curvature is arranged at the front end of the endoscope, so that the change of the visual field is realized, the lens can be directly connected with the endoscope to reduce the whole volume of the endoscope equipment, the lens can also be connected with the sleeve to be sleeved outside the endoscope, and meanwhile, the lens and the lens ring can play a role of an anti-fouling cover; in addition, the effect of changing the distance between the ocular and the objective to adjust the focal length is realized through the matching of the lens arranged at the front end of the endoscope and the lens arranged at the front end of the sleeve or the sleeve arranged outside the endoscope and the lens on the inner sleeve or the outer sleeve, so that the visual field range of the visual endoscope capable of observing is greatly improved. Moreover, in the prior art, the puncture device is usually required to be placed into the operation channel for multiple times, and the secondary damage to the patient is difficult to avoid.

The endoscope equipment can be used as a puncture needle to perform puncture operation through the matching of the endoscope and the sleeve, can realize visual puncture with a variable visual field when one lens is used, and can realize variable-focus visual puncture when the lens is matched with an eyepiece as an objective lens.

Drawings

Fig. 1 is a schematic configuration diagram of an endoscope apparatus.

Fig. 2 is an exploded view of the endoscope apparatus.

Fig. 3 is a schematic view of an installation sleeve.

Fig. 4 is an exploded view of the installation sleeve.

FIG. 5 is a schematic view of a draft tube.

FIG. 6 is a schematic structural view of an embodiment of a lens ring and a sleeve connection.

FIG. 7 is an exploded view of an embodiment of a lens ring and cannula attachment.

Fig. 8 is an exploded view of the front end of the sleeve with a front sleeve disposed thereon.

FIG. 9 is a schematic view of a drainage tube B and a cannula B.

Fig. 10 is a schematic view of the soft endoscope, the lens fitting and the drainage tube C.

Fig. 11 is a schematic view of the hard endoscope cooperating with the lens and the drainage tube B.

Figure 12 is a schematic view of an embodiment of a lens ring and cannula connection and a soft endoscope.

Reference numerals: 1. endoscope, 2, inner cannula, 3, cannula, 4, inner sheath, 5, outer sheath, 6, clip, 7, balloon, 8, bushing, 9, lens ring, 10, lens, 11, inner clip, 12, eyepiece ring, 13, eyepiece, 14, inner rubber ring, 15, outer rubber ring, 16, front cannula, 17, drainage tube, 18, cannula B,19, inner sheath B,20, outer sheath B,21, clip B,22, balloon B,23, bushing B,24, eyepiece ring B,25, eyepiece B,26, inner clip B,27, inner rubber ring B,28, outer rubber ring B,29, outer cannula B,30, objective B,31, objective ring B,32, front cannula B,33, drainage tube B,34, soft endoscope, 35, lens ring, 36, lens, 37, hard endoscope, 38, drainage tube C

Detailed Description

In an alternative embodiment, the endoscope is directly connected to the lens ring, as shown in fig. 11, the head end of the endoscope 37 is provided with external threads, the other end of the lens ring 35 is provided with internal threads, the lens ring 35 is installed at the head end of the endoscope 37 through threads, the lens 36 is installed inside the lens ring 35 at a hanging table, in this embodiment, the endoscope 37 is a hard endoscope, and the endoscope 37 is externally provided with a drainage tube 38C in a matching manner.

In an alternative embodiment, as shown in FIG. 10, the endoscope 34 is a soft endoscope, the endoscope 34 is externally threaded at a head end, the lens ring 35 is internally threaded at the other end, the lens ring 35 is threadedly mounted at a head end of the endoscope 37, and the lens 36 is mounted at a mounting station inside the lens ring 35. When the endoscope 34 is a soft endoscope, other components associated therewith are also selected from soft materials to achieve the overall bending operation of the endoscope apparatus.

In an optional embodiment, the lens is an ocular lens, a sleeve is arranged outside the endoscope, the sleeve is a hollow tube, one end of the sleeve is provided with an external thread, the other end of the sleeve is internally glued and provided with an inner rubber ring, the endoscope penetrates into the sleeve and is fixed through frictional resistance generated by the inner rubber ring, the front end of the sleeve is provided with an objective lens, the objective lens is arranged inside an objective lens ring, the objective lens ring is arranged at the thread part of the sleeve, the objective lens is made into a series according to curvature, the endoscope device can be used as a visual puncture needle to carry out visual puncture operation by arranging the sleeve, and in addition, the endoscope can realize zooming operation under the matching of the sleeve.

In an optional embodiment, the air bag is arranged outside the front end of the sleeve, the air bag is a double-layer rubber bag, the outer layer of the sleeve is sleeved with a hoop, the inner layer of the sleeve is sleeved on the inner hoop, the air bag, the hoop and the inner hoop are fixedly connected into a whole through glue, the front section of the inner hoop is provided with an elastic locking piece with an opening, the inner hoop is clamped at a positioning step of the sleeve, and the sleeve, the inner hoop and the air bag are communicated with an air passage.

In an optional embodiment, an inner sheath and an outer sheath are arranged outside the rear end of the sleeve, the inner sheath is of a hollow circular tube structure, a rubber ring is arranged inside one end of the inner sheath, a rubber ring is arranged outside the other end of the inner sheath, the inner sheath is sleeved on the outer wall of the outer sleeve and fixed through friction resistance of the rubber ring, and the outer sheath is sleeved on the outer wall of the inner sheath and fixed through friction resistance of the rubber ring.

In an alternative embodiment, the lens ring is connected with a sleeve so as to arrange the lens at the front end of the endoscope, as shown in fig. 6-7, an endoscope device comprises an endoscope 1, a sleeve B18, an eyepiece B25 and an eyepiece ring B24, wherein the eyepiece B25 is arranged at the front end of the endoscope 1, the endoscope 1 is arranged in the sleeve B18, the sleeve B18 is a hollow tube, one end is externally provided with threads, the other end is internally provided with an outer rubber ring 27 in an adhesive manner, the eyepiece ring B24 is a hollow ring, one end is provided with internal threads, the other end is internally provided with a hanging table, the eyepiece B25 is arranged at the internal hanging table of the eyepiece ring B24, the eyepiece ring B24 is arranged at the threaded end of the sleeve B18 through threads, and the eyepiece B25 is manufactured into a series according to the curvature. The eyepiece B25 is arranged at the front end of the sleeve B18, the eyepiece B25 adopts a curved mirror, the change of the visual field of the endoscope can be realized, a wider or clearer visual field is provided, the eyepiece B25 is manufactured into a series according to the curvature, and the appropriate curvature can be selected to be matched with the endoscope 1 for use as required. The endoscope 1 can realize the visual puncture operation under the cooperation of the sleeve B18.

Further, gasbag B22 is double-deck rubber bag, the outer cover of gasbag B22 is equipped with clamp B21 inlayer cover on interior clamp B26, gasbag B22 and clamp B21 and interior clamp B26 adopt the cementing fixed as an organic whole, interior clamp B26 anterior segment is equipped with open-ended elasticity locking plate, interior clamp B26 clamps and locates step department in sleeve pipe B18 location, the UNICOM has the air flue between sleeve pipe B18 and interior clamp B26 and the gasbag B22, eyepiece ring B24 is that hollow ring one end is equipped with the inside string platform that is equipped with of internal thread other end, eyepiece B25 installs in the inside string platform department of eyepiece ring B24, eyepiece ring B24 passes through the screw thread and installs at sleeve pipe B18 threaded end.

The inner sheath B19 is of a hollow round tube structure, a rubber ring is arranged inside one end of the inner sheath B19, a rubber ring is arranged outside the other end of the inner sheath B19, the inner sheath B19 is sleeved on the outer wall of the sleeve B18 and fixed through friction resistance of the rubber ring, and the outer sheath B20 is sleeved on the outer wall of the inner sheath B19 and fixed through friction resistance of the rubber ring.

Bulges are arranged on the inner ring and one end of the bushing B23, the bulges in the bushing B23 are matched with the sleeve B18 to realize mutual positioning, and the bulges on the end of the bushing B23 can be matched with the inner hoop B26 or the front sleeve B32 to realize the positioning function.

After the air bag B22 is removed, the front sleeve B32 can be sleeved at the lower end of the inner sleeve B18, and then the bushing B23, the objective B30 and the objective ring B31 are sequentially arranged to realize the function of a puncture needle instrument.

Further, as shown in fig. 8, an outer sleeve B29 is arranged outside the sleeve B18, the outer sleeve B29 is a hollow tube, one end of the hollow tube is provided with an external thread, the other end of the hollow tube is internally provided with an outer rubber ring B28 through adhesive bonding, an objective lens B30 is arranged inside an objective lens ring B31, and the objective lens ring B31 is arranged at the thread of the outer sleeve B18. The sleeve B18 and the outer sleeve B29 can be matched to be used as a zoom visualization puncture needle.

The eyepiece lens B25 and the objective lens B30 are respectively made into series according to curvatures.

As shown in FIG. 9, the drainage tube B33 can be sleeved on the outer wall of the sleeve B18 and fixed by a rubber ring for drainage operation.

It will be appreciated that the forward end of the sleeve B18 may be provided without a balloon.

In an alternative embodiment, the lens ring is connected with the inner sleeve so as to arrange the lens at the front end of the endoscope, as shown in fig. 1-4, the lens 10 is an objective lens, the inner sleeve 2 is arranged between the endoscope 1 and the sleeve 3, the front end of the inner sleeve 2 is provided with an eyepiece ring 12, the eyepiece 13 is arranged inside the eyepiece ring 12, the inner sleeve 2 is a hollow tube, one end of the inner sleeve is provided with an external thread, the other end of the inner sleeve is internally provided with an inner rubber ring 14, the eyepiece ring 12 is a hollow ring, one end of the inner sleeve is provided with an internal thread, the other end of the inner sleeve is internally provided with a hanging table, the eyepiece 13 is arranged at the hanging table inside the eyepiece ring 12, the eyepiece ring 12 is arranged at the threaded end of the inner sleeve 2 through a thread, the inner sleeve 2 slides in the sleeve 3 to adjust the distance between the eyepiece 13 and the objective lens, so as to realize optical zooming, and the eyepiece 13 is made into a series according to curvature. The endoscope 1 is inserted into the inner sleeve 2 and fixed by frictional resistance with the inner rubber ring 14.

By arranging the inner sleeve 2 between the inner sleeve 1 and the outer sleeve 3 of the endoscope and arranging the ocular 13 at the front end of the inner sleeve 2, the visual field range can be further zoomed on the basis of the observation range of the endoscope, the visual field range of the endoscope equipment placed in a channel can be changed, the endoscope does not need to be taken out to replace a lens, the operation cost and difficulty are greatly reduced, and the side damage to a patient is reduced. The inner sleeve 2 is fixed with the sleeve 3 and the endoscope 1 through rubber ring friction force, the inner sleeve 2 and the endoscope 1 can move back and forth in the sleeve 3 conveniently, the focal section can be changed conveniently, and pollution to a lens can be reduced by matching with an anti-fouling cover.

Further, sleeve pipe 3 front end outside is provided with gasbag 7, and gasbag 7 is double-deck rubber bag, and the clamp 6 is equipped with to the outer cover, and the inlayer cover is on interior clamp 11, and gasbag 7 adopts the cementing fixed as an organic whole with clamp 6 and interior clamp 11, and interior clamp 11 anterior segment is equipped with open-ended elasticity locking plate, and interior clamp 11 clamps in sleeve pipe location step department, and the UNICOM has the air flue between sleeve pipe 3 and interior clamp 11 and the gasbag 7.

By arranging the air bag, the establishment of the operation channel under the observation of the variable-focus endoscope can be realized.

Further, the outside of the rear end of the sleeve 3 is provided with an inner sheath 4 and an outer sheath 5, the inner sheath 4 is of a hollow circular tube structure, a rubber ring is arranged inside one end of the inner sheath 4, a rubber ring is arranged outside the other end of the inner sheath, the inner sheath 4 is sleeved on the outer wall of the sleeve 3 and fixed through friction resistance of the rubber ring, and the outer sheath 5 is sleeved on the outer wall of the inner sheath 4 and fixed through friction resistance of the rubber ring.

The inner sheath 4 and the outer sheath 5 are sleeved at the rear end of the sleeve 3, so that the outer sheath 5 can be conveniently placed in, when a channel needs to be established in an operation, the sleeve 3 serves as a puncture needle, the air bag 7 is additionally arranged on the sleeve 3, the inner sheath 4 and the outer sheath 5 are sleeved on the upper half part of the sleeve 3, the sleeve 3 drives the air bag 7 to be implanted into a focus to support the air bag 7 to establish a channel for the operation, the inner sheath 4 is linked with the outer sheath 5 to be implanted into the focus after the air in the air bag 7 is exhausted, the inner sheath 4 and the sleeve 3 are removed, and the channel is established. Through the channel establishing mode, the channel establishing mode of multiple times of puncture and plugging in the prior art can be changed, the one-time embedding of the operation working channel is realized, the side damage can be greatly reduced, and the success probability is improved.

Further, the front end of the inner hoop 11 is provided with a lining 8, the inner ring of the lining 8 and one end of the lining are provided with protrusions, the protrusions of the inner ring of the lining 8 are matched with the sleeve 3 to realize mutual positioning, and the protrusions of one end of the lining 8 are matched with the inner hoop 11 to be installed.

Further, as shown in fig. 3-5, a front sleeve 16 is provided outside the front end of the sleeve 3, and a protrusion at one end of the bushing 8 is installed to cooperate with the front sleeve 16.

By replacing the balloon 7 with the front cannula 16, the cannula 3 is integrated to realize the puncture needle device function.

In an alternative embodiment, a drainage tube 17 is sleeved outside the casing 3, and the drainage tube 17 is fixed with the outer wall of the casing 3 through a rubber ring.

The endoscope is not limited to a hard endoscope, a soft endoscope, an optical endoscope, an electronic endoscope and the like, and the shape is not limited to the shape of the endoscope described in the figure, and the drainage tube puncture tube and the like are not limited to the shape described in the figure, all of which are subject to practical application materials.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention. Furthermore, a feature defined as "first" or "second" 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 should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the description of the present invention, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. An endoscopic apparatus for brain surgery, comprising an endoscope, a lens and a lens ring, characterized in that: the lens and the lens ring are both arranged at the front end of the endoscope, the lens ring is a hollow ring, a hanging table is arranged in one end of the lens ring, the lens is arranged at the hanging table in the inner part of the lens ring, and the lens is manufactured into a series according to the curvature; the endoscope is a soft endoscope or a hard endoscope; the endoscope is arranged in the sleeve, the sleeve is a hollow pipe, the outer part of one end of the sleeve is provided with a thread, the inner part of the sleeve is connected with an inner rubber ring in a gluing way, the other end of the lens ring is provided with an internal thread, and the lens ring is arranged at the threaded end of the sleeve through the thread; the endoscope is characterized in that a sleeved lens is an objective lens, an inner sleeve is arranged between the endoscope and the sleeve, an eyepiece ring is arranged at the front end of the inner sleeve, an eyepiece is arranged inside the eyepiece ring, the inner sleeve is a hollow tube, one end of the inner sleeve is provided with an external thread, the other end of the inner sleeve is internally spliced and provided with an inner rubber ring, the eyepiece ring is a hollow ring, one end of the inner sleeve is provided with an internal thread, the other end of the inner sleeve is internally provided with a hanging table, the eyepiece is arranged at the hanging table inside the eyepiece ring, the eyepiece ring is arranged at the threaded end of the inner sleeve through threads, the inner sleeve slides in the sleeve to adjust the distance between the eyepiece and the objective lens, optical zooming is realized, and the eyepiece is made into a series according to the curvature; the endoscope penetrates into the inner sleeve and is fixed through frictional resistance generated by the inner rubber ring; the air bag is a double-layer rubber bag, a clamp is sleeved on the outer layer, the inner layer is sleeved on the inner clamp, the air bag, the clamp and the inner clamp are fixed into a whole by glue, an open elastic locking plate is arranged at the front section of the inner clamp, the inner clamp is clamped at a positioning step of the sleeve, an air passage is communicated between the sleeve, the inner clamp and the air bag, a lining is arranged at the front end of the inner clamp, bulges are arranged at the inner ring and one end of the lining, the bulges of the inner ring of the lining are matched with the sleeve to realize mutual positioning, and the bulges at one end of the lining are matched with the inner clamp to be installed; the outer part of the rear end of the sleeve is provided with an inner sheath and an outer sheath, the inner sheath is of a hollow round tube structure, a rubber ring is arranged inside one end of the inner sheath, a rubber ring is arranged outside the other end of the inner sheath, the inner sheath is sleeved at the outer wall of the sleeve and fixed through friction resistance of the rubber ring, and the outer sheath is sleeved on the outer wall of the inner sheath and fixed through friction resistance of the rubber ring; wherein, the endoscope is matched with the sleeve and can be used as a puncture needle for puncture operation.

2. The brain surgery endoscope device according to claim 1, wherein a drainage tube is arranged outside the sleeve, and the drainage tube is fixed with the outer wall of the sleeve through a rubber ring.