CN215457873U - Z-shaped integrated hysteroscope - Google Patents

Abstract

The utility model provides a Z-shaped integrated hysteroscope, which comprises a scope tube, wherein one end of the scope tube is provided with an objective lens, the other end of the scope tube is connected with a scope body, a working channel and an image channel are arranged in the scope tube, the objective lens is positioned at the end part of the image channel, a scope sheath is connected on the scope body, the scope sheath comprises a sheath tube, a liquid outlet valve and a liquid inlet valve, the liquid outlet valve and the liquid inlet valve are arranged at one end of the sheath tube, the side wall of the other end of the sheath tube is provided with a plurality of through holes, the end part of the scope tube is provided with a plug, the plug is positioned outside the working channel and the image channel in the scope tube, one end of the scope body, which is far away from the scope sheath, is provided with an instrument inlet, the instrument inlet and the liquid inlet valve are both communicated with the working channel, the liquid outlet valve is communicated with the sheath tube, and a waterproof device is arranged in an inner cavity of the instrument inlet; set up watertight fittings through the inner chamber at the apparatus import, the liquid of in-process before the art and in the art that can be fine avoids working channel leaks, and rotary seal is connected between mirror sheath and the mirror body in addition, and when needs rotate the hysteroscope, the mirror sheath can keep not rotating, avoids causing the injury to the human body.

Description

Z-shaped integrated hysteroscope

Technical Field

The utility model relates to a medical operating mirror, in particular to a Z-shaped integrated hysteroscope.

Background

With the rapid development of medical technology, endoscopes are also widely applied in the medical field. The gynecological endoscope is used clinically firstly, is the main means for diagnosing and treating uterine cavity diseases, and is used for treating diseases such as intrauterine adhesion, hysterosubmucosal myoma, intrauterine device abnormality, uterine malformation, endometrial polyp and the like.

The working channel in the existing hysteroscope is generally provided with a working channel valve to prevent the liquid in the working channel from leaking, but the arrangement is not beneficial to the development of the operation and is troublesome to use, and secondly, the water inlet valve, the water outlet valve and the connecting pipeline on the hysteroscope are very in the way when the angle of the hysteroscope needs to be rotated, thereby greatly influencing the progress of the operation.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems in the prior art, the Z-shaped integrated hysteroscope provided by the utility model has the advantages that the waterproof device is arranged in the inner cavity of the inlet of the instrument, so that liquid in the working channel can be well prevented from leaking out in the processes before and during the operation, in addition, the sheath is in rotary sealing connection with the scope body, and when the hysteroscope needs to be rotated, the sheath can be kept not to rotate, so that the injury to a human body is avoided.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a Z type integral type hysteroscope, includes the mirror pipe, the one end of mirror pipe is equipped with objective, the other end is connected with the mirror body, be equipped with working channel and image passageway in the mirror pipe, objective is located the tip of image passageway, be connected with the mirror sheath on the mirror body, the mirror sheath includes the sheath pipe and sets up the drain valve and the feed liquor valve of sheath pipe one end, be equipped with the several through-hole on the lateral wall of the other end of sheath pipe, the end cap is installed to the tip of mirror pipe, the end cap is located outside working channel and the image passageway in the mirror pipe, the mirror body is kept away from the one end of mirror sheath is equipped with the apparatus import, apparatus import and feed liquor valve all with the working channel intercommunication, the drain valve with sheath pipe intercommunication, be provided with watertight fittings in the inner chamber of apparatus import.

In one embodiment, the waterproof device comprises a waterproof cap and a waterproof sheet, the waterproof cap and the waterproof sheet are connected with each other, the waterproof sheet is located on the left side of the waterproof cap, the waterproof cap is a round rubber sheet, a through hole is formed in the center of the waterproof cap, and the waterproof sheet is of a structure similar to a vascular valve.

In one embodiment, the outer diameter of the waterproof cap is larger than or equal to the inner diameter of the inner cavity of the instrument inlet, and the diameter of the through hole in the center of the waterproof cap is smaller than the outer diameter of a surgical instrument entering and exiting the through hole.

In one embodiment, the image channel and the working channel are arranged in parallel, the image channel and the working channel penetrate through the whole mirror tube, a light guide beam channel is further arranged in the mirror tube, a light guide beam is arranged in the light guide beam channel, the image channel is arranged in the light guide beam channel, the light guide beams are uniformly distributed outside the image channel, and the plug is located above the working channel and outside the light guide beam channel.

In one embodiment, the lens body is connected with an ocular lens through a connecting rod, the lens body and the ocular lens are arranged in parallel, two ends of the connecting rod are respectively and vertically arranged between the ocular lens and the lens body, and two ends of the connecting rod are respectively provided with a turning prism.

In one embodiment, the endoscope sheath is connected with the endoscope body through a crane pipe rotary joint.

In one embodiment, a light guide beam inlet is formed in the side surface of the mirror body, and the light guide beam inlet is communicated with a light guide beam channel in the mirror tube.

In one embodiment, the longitudinal section of one end of the sheath far away from the endoscope body is in a water drop shape.

In one embodiment, the end surface of the sheath tube at the end far away from the endoscope body is a bevel.

In one embodiment, the endoscope body and the endoscope sheath are integrally arranged.

Compared with the prior art, the Z-shaped integrated hysteroscope provided by the utility model has the following advantages:

1. the operation is convenient: the waterproof device is arranged in the inner cavity of the instrument inlet, the waterproof device does not need to be manually opened, instruments for operation can directly pass in and out, the problem that liquid in a working channel leaks out does not need to be worried about, the operation speed and the convenience of an operator are improved, and meanwhile, the manpower resource is saved;

2. the endoscope sheath can rotate 360 degrees, so that the influence of the water inlet valve, the water outlet valve and the water pipe connected with the water inlet valve and the water outlet valve on the operation can be avoided, and the operation is smoother;

3. the sealing performance is good: the waterproof device is a double-layer waterproof device, the first part is a waterproof cap, the outer diameter of the waterproof cap is larger than or equal to the inner diameter of an inner cavity of an appliance inlet, the diameter of a through hole in the center of the waterproof cap is smaller than the outer diameter of the appliance penetrating through the waterproof cap, the purpose of preventing the uterine distention liquid from being sprayed in the operation process is achieved, the second part is a waterproof sheet, the waterproof sheet is of a structure similar to a vascular valve in shape, the uterine distention liquid can be prevented from being sprayed in the non-operation period, and the waterproof sheet and the appliance are matched with each other to ensure good sealing performance.

4. The longitudinal section of one end of the sheath pipe, which is far away from the endoscope body, is in a water drop shape, so that the sheath pipe can easily enter a uterine cavity through a cervical orifice; the end surface of one end of the sheath tube, which is far away from the endoscope body, is an inclined surface, so that the visual field of operation can be enlarged.

5. The endoscope body and the endoscope sheath are designed as an integrated body, so that not only can space be saved to obtain the outer diameter of the smaller hysteroscope main body and a larger instrument channel, but also the operation of detaching the endoscope and the sheath by an operator can be avoided, the time is saved, the optical assembly of the hysteroscope can be well protected from being broken off easily, and the service life of the hysteroscope is effectively prolonged.

Drawings

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

FIG. 2 is a schematic view of the present invention without a sheath;

FIG. 3 is a schematic cross-sectional view of the sheath and the scope tube of the present invention;

FIG. 4 is a schematic view of the internal structure of the instrument inlet of the present invention;

fig. 5 is a schematic structural view of the waterproof device of the present invention.

Detailed Description

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," and the like are used in the indicated orientations and positional relationships based on the orientation shown in the drawings for convenience in describing the utility model and simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be considered as limiting.

Furthermore, the terms "first", "second" and "first" 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" 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 specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean 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 utility model. In this specification, the schematic representations of the terms used above are not necessarily intended to 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. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

As shown in fig. 1-5, for convenience of description, the "up", "down", "left", "right", "front" and "rear" orientation references in the present invention are based on the orientation shown in fig. 1;

a Z-shaped integrated hysteroscope comprises a scope tube 1, wherein an objective lens 2 is arranged at the right end of the scope tube, a scope body 20 is connected at the left end of the scope tube, a working channel 102 and an image channel 101 are arranged in the scope tube 1, the objective lens 2 is positioned at the right end part of the image channel 102, a scope sheath 3 is connected on the scope body 20, the scope sheath 3 comprises a sheath tube 301, a liquid outlet valve 303 and a liquid inlet valve 302 which are arranged at the left end of the sheath tube, a plurality of through holes 304 are formed in the side wall of the right end of the sheath tube 301, a plug 4 is arranged at the right end part of the scope tube 1, the plug 4 is positioned outside the working channel 102 and the image channel 101 in the scope tube 1, an instrument inlet 5 is arranged at the left end of the scope body 20, the instrument inlet 5 is changed into a horn-shaped inlet, and a surgeon can insert surgical instruments into the working channel 102 conveniently;

the apparatus inlet 5 and the liquid inlet valve 302 are both communicated with the working channel 102, the liquid outlet valve 303 is communicated with the sheath 301, and the inner cavity of the apparatus inlet 5 is provided with a waterproof device 6.

The front end of the endoscope sheath 3 is sealed by the plug 4, so that a liquid outlet channel is formed between the small hole group on the sheath tube 301 of the endoscope sheath 3 and the liquid outlet valve 303 of the endoscope sheath 3, and the liquid outlet valve 303 is connected with negative pressure equipment to generate suction; the liquid inlet valve 302 and the working channel 102 form a liquid inlet channel, and the liquid inlet channel and the liquid outlet channel form a circulation.

Specifically, the waterproof device 6 includes a waterproof cap 602 and a waterproof sheet 601, the waterproof cap 602 and the waterproof sheet 601 are connected with each other, the waterproof sheet 601 is located on the left side of the waterproof cap 602, the waterproof cap 602 is a circular rubber sheet, a through hole 603 is arranged at the center position of the waterproof cap, the waterproof sheet 601 is a structure similar to a vascular valve, and by arranging the waterproof sheet 601 similar to the vascular valve structure, liquid is prevented from flowing out when a surgical instrument enters or exits or is not operated;

preferably, the outer diameter of the waterproof cap 602 is larger than the inner diameter of the inner cavity of the instrument inlet 5, and an interference fit is formed between the waterproof cap 602 and the inner cavity of the instrument inlet 5, so that liquid in the working channel 102 is prevented from leaking from the periphery of the waterproof cap 602;

the diameter of the through hole 603 in the center of the waterproof cap 602 is smaller than the outer diameter of the surgical instrument which enters and exits the through hole, so that when the surgical instrument works, the center hole 603 of the waterproof cap 602 is tightly attached to the outside of the surgical instrument, and the waterproof cap 602 is made of soft rubber, so that the center hole 603 is hermetically connected with the surgical instrument, and the phenomenon of liquid leakage cannot occur.

In this embodiment, the image channel 102 and the working channel 101 are parallel to each other, the image channel 102 and the working channel 101 penetrate through the whole endoscope 1, the light guide bundle channel 7 is further disposed in the endoscope 1, the light guide bundle channel 7 is internally provided with a light guide bundle, the image channel 101 is disposed in the light guide bundle channel 7, the light guide bundles are uniformly distributed outside the image channel 101, and the plug 4 is located inside the endoscope 1 above the working channel 102 and outside the light guide bundle channel 7.

In this embodiment, the eyepiece 9 is connected to the lens body 20 through the connecting rod 8, and the lens body 20 and the eyepiece 9 set up in parallel, and the both ends of connecting rod 8 set up perpendicularly between eyepiece 9 and the lens body 20 respectively, and the both ends of connecting rod 8 are provided with the turn prism respectively.

In this embodiment, the sheath 3 is connected to the endoscope body 20 through the crane tube rotary joint 10, so that the rotary connection between the sheath 3 and the endoscope body 20 is realized, the position and the angle of the endoscope body 20 can be conveniently adjusted in the operation process, the progress of the operation is greatly improved, and the injury caused by the rotation of the sheath 3 inserted into the human body is avoided.

In this embodiment, the side of the mirror body 20 is provided with a light guide inlet 40, the light guide inlet 40 is communicated with the light guide channel 7 in the mirror tube 1, a light guide penetrates into the light guide interface 7, and the light guide provides illumination for the graphic channel 101 in the mirror tube 1.

In this embodiment, the longitudinal cross-section of the sheath 301 at the end away from the scope body 20 is in a droplet shape, so that the sheath 301 can easily enter the uterine cavity through the cervical orifice; the end surface of the sheath 301 far away from the endoscope body 20 is an inclined surface, so that the view field of the operator for observing the interior of the uterus can be enlarged.

In this embodiment, the endoscope body 20 and the sheath 3 are integrally formed, so that not only the space can be saved to obtain the smaller external diameter of the hysteroscope body and the larger instrument channel, but also the time can be saved by avoiding the operation of detaching the endoscope body 20 and the sheath 3 by an operator, and the optical assembly of the hysteroscope can be well protected from being broken off easily, thereby effectively prolonging the service life of the hysteroscope.

The hysteroscope provided by the utility model enters into uterus through vagina, ultrasonic equipment and surgical instruments used in the operation enter from the working channel 102 of the hysteroscope, and ultrasonic examination and operation are performed under visual condition. In the operation, the operation position in the uterus is observed through the objective lens 2 window of the hysteroscope, the eyepiece 9 is connected with the CCD camera system, the operation position image is transmitted to the monitor, the light guide beam interface 40 is connected with the light source, the light is guided into the uterus, and the operation position is illuminated.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. The utility model provides a Z type integral type hysteroscope, a serial communication port, including the mirror tube, the one end of mirror tube is equipped with objective, the other end is connected with the mirror body, be equipped with working channel and image passageway in the mirror tube, objective is located the tip of image passageway, be connected with the mirror sheath on the mirror body, the mirror sheath includes the sheath pipe and sets up the drain valve and the feed liquor valve of sheath pipe one end, be equipped with the several through-hole on the lateral wall of the other end of sheath pipe, the end cap is installed to the tip of mirror tube, the end cap is located outside the working channel and the image passageway in the mirror tube, the mirror body is kept away from the one end of mirror sheath is equipped with the apparatus import, apparatus import and feed liquor valve all with the working channel intercommunication, the drain valve with sheath pipe intercommunication, be provided with watertight fittings in the inner chamber of apparatus import.

2. The Z-shaped integrated hysteroscope according to claim 1, wherein the waterproof device comprises a waterproof cap and a waterproof sheet, the waterproof cap and the waterproof sheet are connected with each other, the waterproof sheet is arranged at the left side of the waterproof cap, the waterproof cap is a circular rubber sheet, a through hole is arranged at the center of the circular rubber sheet, and the waterproof sheet is a structure similar to a vascular valve.

3. The Z-type integrated hysteroscope according to claim 2, wherein the outer diameter of the waterproof cap is greater than or equal to the inner diameter of the lumen of the instrument inlet, and the diameter of the through hole at the center of the waterproof cap is smaller than the outer diameter of the surgical instrument entering and exiting the through hole.

4. The Z-type integrated hysteroscope according to claim 3, wherein the image channel and the working channel are parallel to each other, the image channel and the working channel extend through the whole scope tube, a light guide channel is further provided in the scope tube, a light guide beam is provided in the light guide channel, the image channel is provided in the light guide channel, the light guide beams are uniformly distributed outside the image channel, and the plug is located above the working channel and outside the light guide channel.

5. The Z-shaped integrated hysteroscope according to claim 4, wherein the scope body is connected with an eyepiece through a connecting rod, the scope body is arranged in parallel with the eyepiece, two ends of the connecting rod are respectively arranged perpendicularly between the eyepiece and the scope body, and two ends of the connecting rod are respectively provided with turning prisms.

6. A Z-type integrated hysteroscope according to any one of claims 1-5, wherein the sheath and the scope body are connected by a crane tube rotary joint.

7. The Z-shaped integrated hysteroscope according to claim 6, wherein the side of the scope body is provided with a light guide inlet, and the light guide inlet is communicated with the light guide channel in the scope tube.

8. The Z-type integrated hysteroscope according to claim 1, wherein the longitudinal cross-sectional shape of the sheath at the end away from the scope body is drop-shaped.

9. The Z-type integrated hysteroscope according to claim 8, wherein the end surface of the sheath distal from the scope body is beveled.

10. A Z-type integrated hysteroscope according to claim 1, wherein the scope body and the sheath are integrally formed.

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