WO2021136414A1 - Endoscopic catheter having transparent cover - Google Patents

Abstract

An endoscopic catheter having a transparent cover (4), belonging to the technical field of endoscopes. The endoscopic catheter comprises a catheter body (1). A camera (2) and a plurality of LED light sources (3) are respectively installed in the catheter body (1). The transparent cover (4) fills an end of the catheter body (1), and the camera (2) and the plurality of LED light sources (3) are all fixed inside the transparent cover (4). The endoscopic catheter having the transparent cover (4) enables cameras to capture clear images.

Description

Endoscope catheter with transparent cover Technical field

The utility model belongs to the technical field of endoscopes, in particular to an endoscope catheter with a transparent cover.

Background technique

An endoscope is a commonly used medical device, consisting of a bendable part, a light source, and a set of lenses. It enters the human body through the natural orifice of the human body, or through a small incision made by surgery. When in use, the endoscope is introduced into the organs for pre-examination, and the changes in the relevant parts can be directly observed. The quality of the image directly affects the use effect of the endoscope, and also marks the level of development of the endoscope technology.

The utility model patent with the patent application number CN201821425167.2 discloses a lighting structure for an endoscope and an endoscope, which are mainly composed of at least one set of LED modules, at least one sleeve and an LED electrical connection structure. The tubes are respectively fixedly connected to a group of LED modules and can be inserted into the illumination through holes provided in the front end of the endoscope; the LED electrical connection structure penetrates the insertion part of the endoscope and guides it to the front end of the endoscope. The quality part passes through the sleeve to connect the LED module on the sleeve. The endoscope lighting scheme provided by the utility model has a simple and compact overall structure, can realize the simultaneous installation of multiple groups of LED lighting units, and is convenient to install.

However, the LED lighting unit and the camera are installed at the end of the endoscope catheter, and the surface of the LED lighting unit and the camera will be contaminated or blocked, making the camera unable to obtain a clear picture. There is a gap between the LED lighting unit and the camera and other devices, so impurities will enter the gap and affect the normal operation of the device.

Utility model content

In order to solve the above-mentioned problems existing in the prior art, the purpose of the present invention is to provide an endoscope catheter with a transparent cover that ensures the clear picture taken by the camera.

The technical scheme adopted by the utility model is:

An endoscope catheter with a transparent cover includes a catheter body. A camera and a plurality of LED light sources are respectively installed in the catheter body. One end of the catheter body is filled with a transparent cover. The camera and a plurality of LED light sources are fixed in the transparent cover.

Preferably, the material of the transparent cover is one of PC, PMMA, and glass.

Preferably, the distance between the surface of the transparent cover away from the catheter body and the end surface of the camera is 0.2-0.5 mm.

Preferably, the distance between the surface of the transparent cover away from the catheter body and the end surface of the camera is 0.3 mm.

Preferably, an instrument channel tube is further provided in the catheter body, one end of the instrument channel tube is inserted into the channel of the transparent cover, and the end surface of the instrument channel tube is 0.2-0.8 mm lower than the end surface of the transparent cover.

Preferably, the shape of the surface of the end of the transparent cover away from the catheter body is flat.

Preferably, the surface of the end of the transparent cover away from the catheter main body is coated with a glue coating.

Preferably, the number of the LED light source is one, and the LED light source is arranged on one side of the camera.

The beneficial effects of the utility model are:

1. The end of the catheter body of the present invention is filled with a transparent cover, and the camera and LED light source in the catheter are both covered by the transparent cover. Impurities will not cover or invade the camera and LED light source. Therefore, the LED light source can provide enough light for the camera. The camera can take clear pictures without blocking, which is convenient for medical staff to check the corresponding parts of the patient and improve the inspection results. accuracy. The surface of the transparent cover forms a large smooth surface, so that external objects are not easy to adhere to the transparent cover, effectively avoiding the situation that external objects get stuck in the gap between the devices or attached to the surface of the camera and the LED light source. The utility model can also play a role in fixing the camera and the LED light source, avoid the tilt of the camera or the light source, ensure that the camera can shoot a complete and clear picture, and the LED light source can provide sufficient light for the camera.

2. The material of the transparent cover is one of PC, PMMA, and glass, so the transparent cover has sufficient transparency. The LED light source can pass through the transparent cover, and the light of the LED light source can illuminate the human body part at a certain position. The human body part illuminated by the LED light source can reflect the light to the camera, and the camera can shoot a clear picture. The transparent cover does not block the light, and the present invention can ensure that the light of the camera is not affected while ensuring that the camera and the LED light source are not polluted or blocked.

3. The distance between the surface of the transparent cover and the surface of the camera is 0.2~0.5mm, the thickness of the transparent cover at the camera is small, and the light can easily pass through the transparent cover to ensure that the camera can accurately photograph the corresponding parts of the human body. The transparent cover can prevent the surface of the camera from being blocked or blocked, and will not affect the light of the camera when shooting, ensuring that the camera can shoot a clear picture.

4. The distance between the surface of the transparent cover away from the main body of the catheter and the end surface of the camera is 0.3mm. At this time, the transparent cover part of the camera has the best light transmittance to ensure that the camera can take a clear enough picture. The 0.3mm thick transparent cover is sufficient to cover the surface of the camera uniformly, to ensure that the surface of the camera is not contaminated or blocked, and to ensure the normal operation of the camera.

5. The instrument channel can be used for the passage of the instrument, which facilitates the tool to obtain the human tissue at the target location through the instrument channel. After the instrument channel is set, the utility model can not only move the catheter main body to a certain position and observe the position, but also can easily obtain the tissue at the position, and the operation is convenient. One end of the instrument channel tube extends out of the transparent cover, so the transparent cover will not block the instrument channel and facilitate the instrument to extend from the instrument channel.

6. The surface of the transparent cover is flat, and it is not easy to attach other objects to the surface of the transparent cover to ensure that the surface of the camera and the LED light source is always unobstructed. Human tissue or liquid will not stay on the curved transparent cover surface, further reducing the obstruction in front of the camera and the LED light source, ensuring that the camera can take a clearer picture. The flat transparent cover avoids irregular refraction of light and ensures that more light illuminates the front.

7. The surface of the transparent cover is coated with a glue coating, the light transmittance of the surface of the transparent cover is further improved, the light emitted by the LED light source can pass through the transparent cover, and the light can reach the camera more easily, so that the picture taken by the camera is clearer , To make up for the effect of the transparent cover blocking part of the light.

8. The LED light source is located next to the camera, and the camera can get enough light to ensure the clear picture taken by the camera. If the human tissue reflects enough light into the camera, the brightness of the picture taken by the camera is sufficient, which is convenient for medical staff to analyze the disease according to the picture taken by the camera.

The beneficial effects of the present invention are not limited to this description. For better understanding, a more detailed description is given in the specific implementation section.

The additional advantages, objectives, and features of the present utility model will be partly explained in the following description, and will become partly obvious to those of ordinary skill in the art after studying the following, or can be based on the practice of the utility model. Learned. The purpose and other advantages of the present invention can be realized and obtained through the structure specified in the written description, its claims, and the drawings.

Those skilled in the art will understand that the objectives and advantages that can be achieved by the present invention are not limited to the specific descriptions above, and the above and other objectives that can be achieved by the present invention will be more clearly understood based on the following detailed description.

Description of the drawings

In order to more clearly describe the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description These are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative work.

Figure 1 is a schematic diagram of the structure of the utility model;

Figure 2 is a schematic view of the structure of the utility model without an instrument channel tube;

Fig. 3 is a schematic diagram of the structure of the utility model with an instrument channel tube.

In the picture: 1-catheter body; 2-camera; 3-LED light source; 4-transparent cover; 5-apparatus channel tube; 6-glue coating.

Detailed ways

The embodiments of the present invention will be described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals indicate the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary, and are intended to explain the present utility model, but should not be understood as a limitation to the present utility model.

In the description of the present utility model, it should be understood that the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features . Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present invention, "multiple" means two or more than two, unless otherwise specifically defined.

In the present invention, unless otherwise clearly defined and defined, the terms "installation", "connected", "connected", "fixed" and other terms should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected or integrally connected; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication between two components. For those of ordinary skill in the art, the specific meaning of the above-mentioned terms in the present utility model can be understood according to specific circumstances.

Example 1

As shown in Figures 1 and 3, the present invention includes a catheter body 1. A camera 2 and a number of LED light sources 3 are respectively installed in the catheter body 1. One end of the catheter body 1 is filled with a transparent cover 4, a camera 2 and a number of LED light sources 3 All are fixed in the transparent cover 4.

The end of the catheter body 1 of the present invention is filled with a transparent cover, and the camera 2 and the LED light source 3 in the catheter body 1 are both covered by the transparent cover 4. Impurities will not cover or invade the camera 2 and the LED light source 3. Therefore, the LED light source 3 can provide enough light for the camera 2, and the camera 2 can take clear pictures without obstruction, which is convenient for medical staff to check the corresponding parts of the patient , Improve the accuracy of inspection results. The surface of the transparent cover 4 forms a large smooth surface, so external objects are not easy to attach to the transparent cover 4, effectively avoiding the situation that external objects get stuck in the gap between the devices, or attached to the surface of the camera 2 and the LED light source 3 . The utility model can also play a role in fixing the camera 2 and the LED light source 3, avoiding the camera 2 or the light source from tilting, ensuring that the camera 2 can shoot a complete and clear picture, and the LED light source 3 can provide the camera 2 with sufficient light.

Furthermore, the material of the transparent cover 4 is one of PC, PMMA, and glass. The material of the transparent cover 4 is one of PC, PMMA, and glass, so the transparent cover 4 has sufficient transparency. The LED light source 3 can pass through the transparent cover 4, and the light of the LED light source 3 can illuminate the human body part at a certain position. The human body part illuminated by the LED light source 3 can reflect light to the camera 2, and the camera 2 can shoot a clear picture. The transparent cover 4 will not block the light, and the present invention can ensure that the light of the camera 2 is not affected while ensuring that the camera 2 and the LED light source 3 are not contaminated or blocked.

The distance between the surface of the transparent cover 4 away from the catheter body 1 and the end surface of the camera 2 is 0.3 mm. The distance between the surface of the transparent cover 4 away from the catheter main body 1 and the end surface of the camera 2 is 0.3mm. At this time, the transparent cover 4 from the camera 2 has the best light transmittance to ensure that the camera 2 can take a clear picture. . The 0.3mm thick transparent cover 4 is sufficient to uniformly cover the surface of the camera 2 to ensure that the surface of the camera 2 is not contaminated or blocked, and to ensure the normal operation of the camera 2.

Furthermore, the shape of the surface of the end of the transparent cover 4 away from the catheter body 1 is flat. The surface of the transparent cover 4 is flat, and other objects are not easily attached to the surface of the transparent cover 4, so that the surface of the camera 2 and the LED light source 3 is always unobstructed. Human tissue or liquid will not stay on the surface of the curved transparent cover 4, which further reduces the obstruction in front of the camera 2 and the LED light source 3, and ensures that the camera 2 can take a clearer picture. The flat transparent cover 4 avoids irregular refraction of light and ensures that more light illuminates the front.

Furthermore, the surface of the end of the transparent cover 4 away from the catheter main body 1 is coated with a glue coating 6. The surface of the transparent cover 4 is coated with a glue coating 6, and the light transmittance of the surface of the transparent cover 4 is further improved. The light emitted by the LED light source 3 can pass through the transparent cover 4, and the light can reach the camera 2 more easily, so that the camera 2 The captured picture is clearer, which makes up for the effect of the transparent cover 4 blocking part of the light.

Furthermore, the number of the LED light source 3 is one, and the LED light source 3 is arranged on one side of the camera 2. The LED light source is separately arranged next to the camera, and the camera 2 can obtain enough light to ensure that the camera 2 captures a clear picture. If the human tissue reflects enough light into the camera 2, the brightness of the picture taken by the camera 2 is sufficient, which is convenient for medical staff to analyze the lesion according to the picture taken by the camera 2.

Example 2

As shown in Figures 1 and 2, the present invention includes a catheter body 1. A camera 2 and a number of LED light sources 3 are installed in the catheter body 1. One end of the catheter body 1 is filled with a transparent cover 4, a camera 2 and a number of LED light sources 3 All are fixed in the transparent cover 4.

The end of the catheter body 1 of the present invention is filled with a transparent cover, and the camera 2 and the LED light source 3 in the catheter body 1 are both covered by the transparent cover 4. Impurities will not cover or invade the camera 2 and the LED light source 3. Therefore, the LED light source 3 can provide enough light for the camera 2, and the camera 2 can take clear pictures without obstruction, which is convenient for medical staff to check the corresponding parts of the patient , Improve the accuracy of inspection results. The surface of the transparent cover 4 forms a large smooth surface, so external objects are not easy to attach to the transparent cover 4, effectively avoiding the situation that external objects get stuck in the gap between the devices, or attached to the surface of the camera 2 and the LED light source 3 . The utility model can also fix the camera 2 and the LED light source 3, avoid the camera 2 or the light source from tilting, ensure that the camera 2 can shoot a complete and clear picture, and the LED light source 3 can provide sufficient light for the camera 2.

Furthermore, the material of the transparent cover 4 is one of PC, PMMA, and glass. The material of the transparent cover 4 is one of PC, PMMA, and glass, so the transparent cover 4 has sufficient transparency. The LED light source 3 can pass through the transparent cover 4, and the light of the LED light source 3 can illuminate the human body part at a certain position. The human body part illuminated by the LED light source 3 can reflect light to the camera 2, and the camera 2 can shoot a clear picture. The transparent cover 4 will not block the light, and the present invention can ensure that the light of the camera 2 is not affected while ensuring that the camera 2 and the LED light source 3 are not contaminated or blocked.

The distance between the surface of the transparent cover 4 away from the catheter body 1 and the end surface of the camera 2 is 0.2 mm. The distance between the surface of the transparent cover 4 and the surface of the camera 2 is 0.2 mm, so the thickness of the transparent cover 4 at the camera 2 is small, and light can easily pass through the transparent cover 4, ensuring that the camera 2 can accurately photograph the corresponding parts of the human body. The transparent cover 4 can prevent the surface of the camera 2 from being blocked or blocked, and will not affect the light of the camera 2 when shooting, ensuring that the camera 2 can shoot a clear picture.

The catheter body 1 is also provided with an instrument channel tube 5, one end of the instrument channel tube 5 is inserted into the channel of the transparent cover 4, and the end surface of the instrument channel tube 5 is lower than the end surface of the transparent cover 4 by 0.2-0.8 mm. The instrument passage tube 5 can be used for the passage of instruments, which facilitates the tool to obtain the human tissue at the target position through the instrument passage tube 5. After the instrument channel tube 5 is set, the present invention can not only move the catheter main body 1 to a certain position and observe the position, but also can easily obtain the tissue at the position, and the operation is convenient. One end of the instrument channel tube 5 extends out of the transparent cover 4, so the transparent cover 4 will not block the instrument channel tube 5, which facilitates the instrument to extend from the instrument channel tube 5.

Furthermore, the shape of the surface of the end of the transparent cover 4 away from the catheter body 1 is flat. The surface of the transparent cover 4 is flat, and other objects are not easily attached to the surface of the transparent cover 4, so that the surface of the camera 2 and the LED light source 3 is always unobstructed. Human tissue or liquid will not stay on the surface of the curved transparent cover 4, which further reduces the obstruction in front of the camera 2 and the LED light source 3, and ensures that the camera 2 can take a clearer picture. The flat transparent cover 4 avoids irregular refraction of light and ensures that more light illuminates the front.

Furthermore, the surface of the end of the transparent cover 4 away from the catheter main body 1 is coated with a glue coating 6. The surface of the transparent cover 4 is coated with a glue coating 6, and the light transmittance of the surface of the transparent cover 4 is further improved. The light emitted by the LED light source 3 can pass through the transparent cover 4, and the light can reach the camera 2 more easily, so that the camera 2 The captured picture is clearer, which makes up for the effect of the transparent cover 4 blocking part of the light.

Furthermore, the number of the LED light source 3 is one, and the LED light source 3 is arranged on one side of the camera 2. The LED light source is separately arranged next to the camera, and the camera 2 can obtain enough light to ensure that the camera 2 captures a clear picture. If the human tissue reflects enough light into the camera 2, the brightness of the picture taken by the camera 2 is sufficient, which is convenient for medical staff to analyze the lesion according to the picture taken by the camera 2.

Example 3

As shown in Figures 1 and 2, the present invention includes a catheter body 1. A camera 2 and a number of LED light sources 3 are installed in the catheter body 1. One end of the catheter body 1 is filled with a transparent cover 4, a camera 2 and a number of LED light sources 3 All are fixed in the transparent cover 4.

The end of the catheter body 1 of the present invention is filled with a transparent cover, and the camera 2 and the LED light source 3 in the catheter body 1 are both covered by the transparent cover 4. Impurities will not cover or invade the camera 2 and the LED light source 3. Therefore, the LED light source 3 can provide enough light for the camera 2, and the camera 2 can take clear pictures without obstruction, which is convenient for medical staff to check the corresponding parts of the patient , Improve the accuracy of inspection results. The surface of the transparent cover 4 forms a large smooth surface, so external objects are not easy to attach to the transparent cover 4, effectively avoiding the situation that external objects get stuck in the gap between the devices, or attached to the surface of the camera 2 and the LED light source 3 . The utility model can also fix the camera 2 and the LED light source 3, avoid the camera 2 or the light source from tilting, ensure that the camera 2 can shoot a complete and clear picture, and the LED light source 3 can provide sufficient light for the camera 2.

Furthermore, the material of the transparent cover 4 is one of PC, PMMA, and glass. The material of the transparent cover 4 is one of PC, PMMA, and glass, so the transparent cover 4 has sufficient transparency. The LED light source 3 can pass through the transparent cover 4, and the light of the LED light source 3 can illuminate the human body part at a certain position. The human body part illuminated by the LED light source 3 can reflect light to the camera 2, and the camera 2 can shoot a clear picture. The transparent cover 4 will not block the light, and the present invention can ensure that the light of the camera 2 is not affected while ensuring that the camera 2 and the LED light source 3 are not contaminated or blocked.

The distance between the surface of the transparent cover 4 away from the catheter body 1 and the end surface of the camera 2 is 0.2 mm. The distance between the surface of the transparent cover 4 and the surface of the camera 2 is 0.2 mm, so the thickness of the transparent cover 4 at the camera 2 is small, and light can easily pass through the transparent cover 4, ensuring that the camera 2 can accurately photograph the corresponding parts of the human body. The transparent cover 4 can prevent the surface of the camera 2 from being blocked or blocked, and will not affect the light of the camera 2 when shooting, ensuring that the camera 2 can shoot a clear picture.

The catheter body 1 is also provided with an instrument channel tube 5, one end of the instrument channel tube 5 is inserted into the channel of the transparent cover 4, and the end surface of the instrument channel tube 5 is lower than the end surface of the transparent cover 4 by 0.2-0.8 mm. The instrument passage tube 5 can be used for the passage of instruments, so that it is convenient for the tool to obtain the human tissue at the target position through the instrument passage tube 5. After the instrument channel tube 5 is set, the present invention can not only move the catheter main body 1 to a certain position and observe the position, but also can easily obtain the tissue at the position, and the operation is convenient. One end of the instrument channel tube 5 extends out of the transparent cover 4, so the transparent cover 4 will not block the instrument channel tube 5, which facilitates the instrument to extend from the instrument channel tube 5.

Furthermore, the shape of the surface of the end of the transparent cover 4 away from the catheter body 1 is flat. The surface of the transparent cover 4 is flat, and other objects are not easily attached to the surface of the transparent cover 4, so that the surface of the camera 2 and the LED light source 3 is always unobstructed. Human tissues or liquids will not stay on the surface of the curved transparent cover 4, which further reduces the obstruction in front of the camera 2 and the LED light source 3, ensuring that the camera 2 can take a clearer picture. The flat transparent cover 4 avoids irregular refraction of light and ensures that more light illuminates the front.

Furthermore, the surface of the end of the transparent cover 4 away from the catheter main body 1 is coated with a glue coating 6. The surface of the transparent cover 4 is coated with a glue coating 6, and the light transmittance of the surface of the transparent cover 4 is further improved. The light emitted by the LED light source 3 can pass through the transparent cover 4, and the light can reach the camera 2 more easily, so that the camera 2 The captured picture is clearer, which makes up for the effect of the transparent cover 4 blocking part of the light.

Furthermore, the number of the LED light source 3 is one, and the LED light source 3 is arranged on one side of the camera 2. The LED light source is separately arranged next to the camera, and the camera 2 can obtain enough light to ensure that the camera 2 captures a clear picture. If the human tissue reflects enough light into the camera 2, the brightness of the picture taken by the camera 2 is sufficient, which is convenient for medical staff to analyze the lesion according to the picture taken by the camera 2.

The present utility model is not limited to the above-mentioned optional embodiments. Anyone can obtain other products in various forms under the enlightenment of the present utility model. However, no matter what changes are made in its shape or structure, everything falls into the present utility model. The technical solutions within the scope defined by the claims fall within the protection scope of the present utility model.

Claims (8)

An endoscope catheter with a transparent cover, which is characterized in that it comprises a catheter body (1), a camera (2) and a number of LED light sources (3) are respectively installed in the catheter body (1), and one end of the catheter body (1) A transparent cover (4) is filled, and the camera (2) and a plurality of LED light sources (3) are all fixed in the transparent cover (4). The endoscopic catheter with a transparent cover according to claim 1, wherein the material of the transparent cover (4) is one of PC, PMMA, and glass. The endoscopic catheter with a transparent cover according to claim 1, wherein the distance between the surface of the transparent cover (4) away from the catheter body (1) and the end surface of the camera (2) is 0.2 ~0.5mm. The endoscopic catheter with a transparent cover according to claim 1, wherein the distance between the surface of the transparent cover (4) away from the catheter body (1) and the end surface of the camera (2) is 0.3 mm. The endoscopic catheter with a transparent cover according to claim 1, characterized in that: the catheter body (1) is also provided with an instrument channel tube (5), and one end of the instrument channel tube (5) is inserted into the transparent tube. In the channel of the cover (4), the end surface of the instrument channel tube (5) is 0.2-0.8 mm lower than the end surface of the transparent cover (4). The endoscopic catheter with a transparent cover according to claim 1, characterized in that the surface shape of the end of the transparent cover (4) away from the catheter main body (1) is flat. An endoscope catheter with a transparent cover according to claim 1, wherein the surface of the transparent cover (4) at one end away from the catheter body (1) is coated with a glue coating (6). The endoscopic catheter with a transparent cover according to claim 1, wherein the number of the LED light source (3) is one, and the LED light source (3) is arranged on one side of the camera (2).

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