CN218922534U

CN218922534U - Ureteroscope

Info

Publication number: CN218922534U
Application number: CN202223279279.0U
Authority: CN
Inventors: 谭有余
Original assignee: Zhuhai Tyco Medical Technology Co ltd
Current assignee: Zhuhai Tyco Medical Technology Co ltd
Priority date: 2022-12-05
Filing date: 2022-12-05
Publication date: 2023-04-28
Anticipated expiration: 2032-12-05

Abstract

The utility model discloses a ureteroscope, which comprises a lens body, an ocular, a columnar lens and an objective lens, wherein the lens body is provided with an observation channel and an instrument channel, the ocular is arranged in the observation channel, the ocular is positioned at one end of the observation channel, the columnar lens is arranged in the observation channel, the objective lens is positioned at the other end of the observation channel, the columnar lens is positioned between the ocular and the objective lens, and the ocular, the columnar lens and the objective lens are positioned on the same straight line. The ureteroscope provided by the utility model uses the columnar lens for image transmission, and has the advantages of low cost and simple assembly.

Description

Ureteroscope

Technical Field

The utility model relates to medical equipment, in particular to a ureteroscope.

Background

Ureteroscope is the medical equipment that is used for urological department to treat, utilizes ureteroscope to carry out diagnosis, the treatment of ureteral disease, can improve diagnosis, the treatment level of ureteral disease, shortens patient's hospitalization time, reduces the treatment expense. The traditional ureteroscope has the advantages that the ocular lens is designed at the side, the bendable image fiber can only be used for imaging, the imaging image of the image fiber is poor in definition, the assembly process is complex, and the cost is high.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the ureteroscope provided by the utility model uses the columnar lens for image transmission, and is low in cost and simple in assembly.

According to an embodiment of the present utility model, a ureteroscope includes: the endoscope body is provided with an observation channel and an instrument channel; an eyepiece arranged in the observation channel, wherein the eyepiece is positioned at one end of the observation channel; a lenticular lens disposed within the viewing channel; the objective lens is arranged in the observation channel, the objective lens is positioned at the other end of the observation channel, the columnar lens is positioned between the ocular lens and the objective lens, and the ocular lens, the columnar lens and the objective lens are positioned on the same straight line.

The ureteroscope according to the embodiment of the utility model has at least the following beneficial effects: the ocular lens and the objective lens are designed on the same straight line, so that a cylindrical lens can be used for image transmission between the ocular lens and the objective lens, and compared with an image fiber for transmitting images, the imaging quality is better; and compared with an image fiber, the cylindrical lens is low in cost and simple to assemble.

According to some embodiments of the utility model, the endoscope further comprises a multifunctional connector, an instrument opening is formed in one side of the endoscope body, the instrument channel is communicated with the outside through the instrument opening, the multifunctional connector is connected in the instrument opening, the multifunctional connector is provided with a connecting port and a plurality of switching access ports, the connecting port is communicated with the switching access ports, and the instrument opening is communicated with the connecting port.

According to some embodiments of the utility model, the multifunctional joint is provided with three of the transfer access ports; one of the three switching inlets is an instrument inlet, the other is a water source inlet, and the other is an air source inlet.

According to some embodiments of the utility model, the mirror body is further provided with a light source channel, the other side of the mirror body is provided with a light source access port, and the light source channel is communicated with the outside through the light source access port.

According to some embodiments of the utility model, the instrument channel is located on one side of the viewing channel and the light source channel is located on the other side of the viewing channel.

According to some embodiments of the utility model, the light source comprises a light source channel, and the light source comprises a light source.

According to some embodiments of the utility model, the mirror further comprises a built-in light source piece, wherein the built-in light source piece is arranged at the other end of the mirror body.

According to some embodiments of the utility model, the lens assembly further comprises a spacer ring, wherein a plurality of the cylindrical lenses are arranged, and any two adjacent cylindrical lenses are separated by the spacer ring.

According to some embodiments of the utility model, the spacer ring has an inner diameter smaller than an outer diameter of the lenticular lens.

According to some embodiments of the utility model, the eyepiece cover is connected to the eyepiece body at one end, and the eyepiece is located in the eyepiece cover.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic diagram of the overall assembly of a ureteroscope according to an embodiment of the present utility model;

fig. 2 is a schematic cross-sectional structure of a ureteroscope according to an embodiment of the present utility model.

Reference numerals:

a scope body 100, a viewing channel 110, an instrument opening 120, and a light source access port 130;

eyepiece 200;

a lenticular lens 300;

an objective lens 400;

a multi-functional joint 500;

a spacer ring 600;

eyepiece cover 700;

the light source member 800 is built in.

Detailed Description

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 the description of the present utility model, it should be understood that references to orientation descriptions such as "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "tip", "inner", "outer", "axial", "radial", "circumferential", etc., are based on the orientation or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and to simplify the description, and do not indicate or imply that the devices or elements 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 utility model. In the description of the present utility model, the sidewall means a left sidewall and/or a right sidewall.

In the description of the present utility model, the meaning of "plurality" is two or more, "greater than", "less than", "exceeding" and the like are understood to not include the present number, and "above", "below", "within" and the like are understood to include the present number. If any, the terms "first," "second," and the like are used merely for distinguishing between technical features, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, it should be understood that "a is disposed on B", and the connection relationship or positional relationship between a and B is expressed without representing that a is necessarily disposed above B.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, removably connected, movably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The terms "bolted" and "screwed" may be equally substituted. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in combination with specific cases.

Referring to fig. 1 and 2, the ureteroscope according to an embodiment of the present utility model includes a body 100, an eyepiece 200, a lenticular lens 300, and an objective lens 400.

The mirror body 100 is provided with a viewing channel 110. The body 100, i.e., the main body of the ureteroscope, is internally provided with a channel with two open ends, the channel can be provided with one or more channels according to practical situations, the outlets of the channels are uniformly arranged at the other end of the body 100, and the inlets of the channels can be arranged at one end of the body 100 or at the side edge of the body 100. It should be appreciated that the mirror body 100 may be a unitary, integrally formed housing structure having one or more channels disposed therein; further, the lens body 100 may also be composed of a housing and one or more tube parts disposed in the housing, where the tube parts define the above-mentioned channel; still further, the housing may also be formed by a plurality of parts, for example, in this embodiment, the lower end of the eyepiece protecting cover 700 is connected with an upper end opening of the instrument tee, the lower end opening of the instrument tee is connected with an upper end opening of the light source tee, a side opening of the instrument tee is the instrument opening 120, the lower end opening of the light source tee is connected with a working outer tube, the side opening of the light source tee is the light source access 130, at least two tubes are further arranged in the working outer tube, an observation channel 110 is arranged in one tube, and an instrument channel (also serving as a water vapor channel) is arranged in the other tube.

An eyepiece 200 disposed within the viewing channel 110, the eyepiece 200 being located at one end of the viewing channel 110. The eyepiece 200 is a visual optical device for observing an image formed by a front optical system, and is mainly used for amplifying a real image amplified by the objective lens 400 again, so that a clear virtual image is formed at a bright viewing distance, and the observation of a person is facilitated.

A lenticular lens 300 is disposed within the viewing channel 110. While the conventional lens is flat, the cylindrical lens 300 of the present utility model is a cylindrical part with a longer length, and the light is better imaged after passing through the cylindrical lens 300.

And an objective lens 400 disposed in the observation path 110, the objective lens 400 being located at the other end of the observation path 110, the lenticular lens 300 being located between the eyepiece 200 and the objective lens 400, the eyepiece 200, the lenticular lens 300 and the objective lens 400 being located on the same straight line.

In the utility model, since the ocular lens 200 and the objective lens 400 are designed on the same straight line, the cylindrical lens 300 can be used for image transmission between the ocular lens 200 and the objective lens 400, and the imaging quality is better than that of image fiber transmission; and compared with image fiber, the cylindrical lens 300 has low cost and simple assembly.

Referring to fig. 1 and 2, in some embodiments of the utility model, the body 100 is also provided with an instrument channel.

The endoscope body 100 is also provided with an instrument channel, so that surgical instruments can enter a human body to operate through the ureteroscope.

Referring to fig. 1 and 2, in some embodiments of the present utility model, a multifunctional joint 500 is further included, one side of the scope body 100 is provided with an instrument opening 120, an instrument channel communicates with the outside through the instrument opening 120, the multifunctional joint 500 is connected in the instrument opening 120, the multifunctional joint 500 is provided with one connection port and a plurality of switching access ports, the connection port communicates with the switching access ports, and the instrument opening 120 communicates with the connection port.

The multifunctional adapter 500 is provided with a plurality of switching access ports, and can switch other instruments and equipment, such as water sources, air sources, suction equipment and the like, besides the original working instruments.

Referring to fig. 1 and 2, in some embodiments of the present utility model, the multi-function joint 500 is provided with three transfer access ports; one of the three switching inlets is an instrument inlet, the other is a water source inlet, and the other is an air source inlet.

The instrument access port is used for accessing original working instruments, the water source access port is used for accessing a water source, the air source access port is used for accessing an air source, and water and air supply cleaning can be performed according to requirements. Furthermore, luer connectors can be arranged at the water source access port and the air source access port, so that the input of the water source and the air source can be conveniently controlled, and the input of the water source and the air source can be timely carried out or cut off.

Referring to fig. 1 and 2, in some embodiments of the present utility model, the mirror body 100 is further provided with a light source channel, and the other side of the mirror body 100 is provided with a light source access 130, and the light source channel communicates with the outside through the light source access 130.

The light source channel is mainly used for transmitting a light source for illumination, providing light transmission information and facilitating observation. It should be understood that the light source may be an external light source, and the light source channel is generally larger to transmit light.

Referring to fig. 1 and 2, in some embodiments of the present utility model, the scope body 100 is further provided with an instrument channel located at one side of the viewing channel 110, and a light source channel located at the other side of the viewing channel 110.

The instrument channel and the light source channel are spaced apart from each other, on the one hand, the corresponding instrument opening 120 and the light source access opening 130 are respectively arranged at both sides of the endoscope body 100, so that the connection of the instrument and the light source is convenient, the connection of the instrument and the light source to each other is not hindered, or, in other words, sufficient space can be provided to facilitate the respective assembly; on the other hand, the instrument channel and the light source channel can also avoid mutual influence.

Referring to fig. 1 and 2, in some embodiments of the utility model, an optical fiber is further included, the optical fiber being located within the light source channel.

The optical fiber is used for guiding light when the light source access port is connected with the external light source, so that the external light source enters the body through the light source channel, and the external light source is provided for inspection.

Referring to fig. 1 and 2, in some embodiments of the present utility model, a built-in light source member 800 is further included, and the built-in light source member 800 is disposed at the other end of the mirror body 100.

The light source may also be a built-in light source 800, such as an LED lamp, disposed on the mirror body 100, where the light source interface may not be disposed, and the light source channel may not be disposed, or may be smaller, and the light source is mainly used for the built-in light source 800 to connect with a built-in battery, that is, only a transmission wire (possibly also provided with a signal wire to control brightness, color, etc. of the light source) is needed, so that the occupied space is smaller; of course, the light source interface may also be reserved as an interface for connecting the built-in light source 800 to an external power source.

Referring to fig. 1 and 2, in some embodiments of the present utility model, a spacer ring 600 is further included, and a plurality of lenticular lenses 300 are provided, and any adjacent two lenticular lenses 300 are separated by using the spacer ring 600.

The plurality of cylindrical lenses 300 are arranged, so that the magnification of an image can be increased, and workers can observe the in-vivo situation conveniently; the spacer ring 600 is provided to separate adjacent lenticular lenses 300 and reduce the obstruction and influence on the transmitted light. It should be appreciated that to ensure the function of the spacer ring 600, the inner diameter of the spacer ring 600 is generally slightly smaller than the outer diameter of the lenticular lens 300, so that the abutment blocking the lenticular lens 300 can be ensured, and sufficient inner space is provided for light to pass through.

Referring to fig. 1 and 2, in some embodiments of the present utility model, an eyepiece cover 700 is further included, the eyepiece cover 700 is connected to one end of the eyepiece body 100, and the eyepiece 200 is located within the eyepiece cover 700.

The eyepiece cover 700 is mainly used for fixing and protecting the eyepiece 200, and has a larger side facing the staff (the large mouth side of the horn-like mouth structure), and can play a role in blocking external light, so that the external light is prevented from affecting the observation of the staff.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims

1. A ureteroscope, comprising:

the endoscope body is provided with an observation channel and an instrument channel;

an eyepiece arranged in the observation channel, wherein the eyepiece is positioned at one end of the observation channel;

a lenticular lens disposed within the viewing channel;

the objective lens is arranged in the observation channel, the objective lens is positioned at the other end of the observation channel, the columnar lens is positioned between the ocular lens and the objective lens, and the ocular lens, the columnar lens and the objective lens are positioned on the same straight line.

2. The ureteroscope according to claim 1, characterized in that it further comprises a multifunctional joint, one side of the body is provided with an instrument opening, the instrument channel is communicated with the outside through the instrument opening, the multifunctional joint is connected in the instrument opening, the multifunctional joint is provided with a connecting port and a plurality of switching access ports, the connecting port is communicated with the switching access ports, and the instrument opening is communicated with the connecting port.

3. The ureteroscope according to claim 2, characterized in that the multifunctional joint is provided with three of the transit access points; one of the three switching inlets is an instrument inlet, the other is a water source inlet, and the other is an air source inlet.

4. The ureteroscope according to claim 1, characterized in that the body is further provided with a light source channel, the other side of the body is provided with a light source access port, and the light source channel communicates with the outside through the light source access port.

5. The ureteroscope according to claim 4, characterized in that the instrument channel is located on one side of the viewing channel and the light source channel is located on the other side of the viewing channel.

6. The ureteroscope according to claim 4, further comprising an optical fiber that is located within the light source channel.

7. The ureteroscope according to claim 1, further comprising a built-in light source element disposed at the other end of the body.

8. The ureteroscope according to claim 1, further comprising a spacer ring, the number of lenticular lenses being plural, any adjacent two of the lenticular lenses being separated by the spacer ring.

9. The ureteroscope according to claim 8, characterized in that the inner diameter of the spacer ring is smaller than the outer diameter of the cylindrical lens.

10. The ureteroscope according to claim 1, further comprising an eyepiece boot that is connected to one end of the body, the eyepiece being located within the eyepiece boot.