An endoscope having a large suction flow rate

Abstract

The utility model discloses an endoscope with larger suction flow, which comprises a handle, an insertion part, a channel tube and a light source. A protection channel is formed in the insertion part. One end of the insertion part is connected to the handle. The other end of the insertion part is connected to a tip head. A camera module and a channel port are arranged on the tip head. A channel channel is formed in the channel tube. The channel tube comprises an inner layer, a fiber layer and an outer layer arranged in sequence. One end of the channel tube is arranged in the inner cavity of the handle. The other end of the channel tube is arranged in the protection channel and extends to the channel port. The light source is arranged in the inner cavity of the handle and abuts against the end of the channel tube. The light emitted by the light source can be conducted into the human body through the fiber layer to illuminate the camera module. The fiber layer can be bent and conduct light. Therefore, the insertion part does not need to be provided with a fiber bundle, or a power line for supplying power to the light source or other light-emitting elements. The size of the channel tube can be larger, and the suction flow of the channel tube is finally improved.

Description

Technical Field

[0001] This utility model relates to the field of medical device technology, and in particular to an endoscope with a large suction flow rate. Background Technology

[0002] Endoscopes are used inside the human body, entering the patient's body through natural orifices or surgical incisions. After being guided into the organ to be examined, medical staff can directly observe lesions in the relevant area. Due to the narrowness of various cavities, a light source is required for illumination after entering the body. Existing light sources include fiber optic bundles or built-in LEDs. However, the relatively small tip needs to accommodate the light source, camera, and suction channel, resulting in a small suction channel size and a low flow rate of fluid aspirated by the endoscope. If the tip and insertion tube are made larger, it is not easy for the tip and insertion tube to smoothly enter narrow cavities, and there is also the risk of scraping tissue and causing wounds, which may lead to internal infections in severe cases. Utility Model Content

[0003] This invention aims to solve at least one of the technical problems existing in the prior art. To this end, this invention proposes an endoscope with a large suction flow rate, a compact structure, and a large suction flow rate in the suction channel.

[0004] An endoscope with a large suction flow rate according to an embodiment of the present invention includes: a handle, an insertion part, a clamping tube, and a light source. The handle is provided with a suction tube; a protective channel is formed in the insertion part, one end of the insertion part is connected to the handle, and the other end of the insertion part is connected to a tip, which is provided with a camera module and a clamping opening; a clamping channel is formed in the clamping tube, which includes an inner layer, an optical fiber layer, and an outer layer arranged sequentially inside and outside. One end of the clamping tube passes through the inner cavity of the handle and is connected to one end of the suction tube, and the other end of the clamping tube passes through the protective channel and extends to the clamping opening; the light source is located in the inner cavity of the handle and abuts against one end of the clamping tube, and the light emitted by the light source can be conducted into the human body through the optical fiber layer to illuminate the camera module.

[0005] It has at least the following beneficial effects:

[0006] Because the clamping tube comprises an inner layer, an optical fiber layer, and an outer layer arranged sequentially, with the optical fiber layer composed of optical fibers that are flexible and capable of conducting light, the clamping tube can transport liquids, gases, and instruments, as well as conduct light. No additional optical fiber bundle is needed within the insertion section, nor is a power line required to supply power to the light source or other light-emitting elements. Similarly, no light source or other light-emitting elements are needed at the tip. With the external dimensions of the insertion section and tip remaining unchanged, the insertion section has more space to accommodate the clamping tube, allowing for a larger clamping tube size and ultimately increasing its suction flow rate. Alternatively, while maintaining the same suction flow rate, the external dimensions of the insertion section and tip can be designed to be smaller, reducing the risk of tissue abrasion and allowing for smoother insertion into natural human orifices or surgical incisions.

[0007] According to some embodiments of this utility model, one end of the clamp tube is connected to one end of the suction tube via a tee, and the handle is provided with an adapter tube, the third port of the tee being connected to the adapter tube.

[0008] According to some embodiments of this utility model, the light source is ring-shaped, the light source is sleeved on the second port of the three-way connector, and the second port is inserted into one end of the clamp tube.

[0009] According to some embodiments of this utility model, the light source is an LED.

[0010] According to some embodiments of the present invention, the handle is provided with a suction button seat, and the suction button seat is connected to the other end of the suction tube.

[0011] According to some embodiments of the present invention, the inner layer is made of PTFE.

[0012] According to some embodiments of the present invention, the outer layer is made of TPU.

[0013] According to some embodiments of the present invention, a protective sleeve is connected to the handle, and the protective sleeve is fitted onto one end of the insertion part.

[0014] Additional aspects and advantages of this invention 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 invention. Attached Figure Description

[0015] The present invention will be further described below with reference to the accompanying drawings and embodiments, wherein:

[0016] Figure 1 This is a schematic diagram of the structure of an embodiment of the present utility model;

[0017] Figure 2 for Figure 1 A magnified view of a portion of point A in the middle;

[0018] Figure 3 This is a schematic diagram of the structure of the insertion part, the tip, the camera module, and the clamp tube in an embodiment of this utility model;

[0019] Figure 4 This is a cross-sectional view of the clamping tube in an embodiment of the present invention.

[0020] Reference numerals: Handle 100, Suction Button Seat 110, Suction Tube 200, Insertion Part 300, Tip 400, Clamping Port 410, Camera Module 500, Clamping Tube 600, Inner Layer 610, Fiber Optic Layer 620, Outer Layer 630, Light Source 700, T-Connector 800, Adapter Tube 810, Second Port 820, Sheath 900. Detailed Implementation

[0021] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0022] In the description of this utility model, the use of "first" and "second" is only for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features or the order of the technical features.

[0023] In the description of this utility model, unless otherwise explicitly defined, terms such as "setting," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.

[0024] Reference Figures 1 to 3This utility model discloses an endoscope with a large suction flow rate, characterized in that it includes: a handle 100, an insertion part 300, a clamping tube 600, and a light source 700. The handle 100 is provided with a suction tube 200; a protective channel is formed within the insertion part 300; one end of the insertion part 300 is connected to the handle 100, and the other end of the insertion part 300 is connected to a tip 400. The tip 400 is provided with a mounting hole and a clamping opening 410. A camera module 500 is provided in the mounting hole, and the cable of the camera module 500 passes through the protective channel; the clamping tube 600... The endoscope has a forceps channel inside, which is used for liquid or gas or other surgical or testing instruments to pass through. One end of the forceps tube 600 passes through the inner cavity of the handle 100 and is connected to one end of the suction tube 200. The other end of the forceps tube 600 passes through the protective channel and extends to the forceps opening 410. The operator holds the handle 100 to operate the endoscope and inserts the insertion part 300 and the tip 400 into the natural orifice of the human body or the incision formed by surgery until the tip 400, the other end of the forceps tube 600 and the camera module 500 are delivered to the organ to be tested.

[0025] Reference Figure 4 The clamp tube 600 includes an inner layer 610, an optical fiber layer 620, and an outer layer 630 arranged sequentially inside and outside. The light source 700 is located in the inner cavity of the handle 100 and abuts against one end of the clamp tube 600. The light emitted by the light source 700 can be conducted into the human body through the optical fiber layer 620 to illuminate the camera module 500, so that the camera module 500 can clearly capture images of the internal organs of the human body in order to find the lesion.

[0026] When it is necessary to aspirate fluids or other fluids from the body, connect the aspiration device to the other end of the suction tube 200. The aspiration device will then be activated, allowing the fluids and / or gas to be suctioned out through the clamp tube 600. Alternatively, the aspiration device can be replaced with a fluid supply device, which can deliver the necessary fluids for surgery or testing into the body.

[0027] Because the clamping tube 600 includes an inner layer 610, an optical fiber layer 620, and an outer layer 630 arranged sequentially inside and outside, and the optical fiber layer 620 is composed of optical fibers, and the optical fiber layer 620 is flexible and can conduct light, the clamping tube 600 has the functions of conveying liquids, gases, and instruments, as well as conducting light. There is no need for a separate optical fiber bundle inside the insertion part 300, or for a power line to supply power to the light source 700 or other light-emitting elements. There is also no need to install the light source 700 or other light-emitting elements on the tip 400. With the external dimensions of the insertion part 300 and the tip 400 remaining unchanged, the insertion part... The 300 design allows for a larger space for the forceps tube 600, enabling the forceps tube 600 to be larger in size and ultimately increasing its suction flow rate. This results in a larger suction flow rate for the forceps tube 600, or a larger suction flow rate for the suction channel. Alternatively, while keeping the suction flow rate of the forceps tube 600 constant, the insertion part 300 and the tip 400 can be designed to be smaller, reducing the risk of the insertion part 300 and the tip 400 scratching tissue. This allows the insertion part 300 and the tip 400 to be inserted more smoothly into natural human orifices or surgical incisions.

[0028] It is conceivable that the main body of the suction tube 200 is located inside the inner cavity of the handle 100, one end of the suction tube 200 is connected to one end of the clamp tube 600, and the other end of the suction tube 200 extends to the outside of the handle 100 so that the other end of the suction tube 200 can be connected to the suction device.

[0029] Reference Figure 1 In some embodiments, one end of the clamp tube 600 is connected to one end of the suction tube 200 via a tee 800. It is conceivable that the tee 800 has a first port, a second port 820, and a third port, which are interconnected. The first port and the second port 820 are respectively connected to one end of the suction tube 200 and one end of the clamp tube 600. An adapter 810 is provided on the handle 100, and the third port of the tee 800 is connected to the adapter 810, which allows liquids, gases, or instruments to pass through.

[0030] Reference Figure 2 In some embodiments, the light source 700 is ring-shaped and is fitted onto the second port 820 of the tee 800. The second port 820 is inserted into one end of the clamp tube 600. The second port 820 serves to limit and fix the light source 700, so that the light source 700 is better aligned with one end of the clamp tube 600, that is, the light source 700 is better aligned with the fiber optic layer 620, and the light emitted by the light source 700 directly enters the fiber optic layer 620.

[0031] In some of these embodiments, the light source 700 is an LED, which is a low-energy, high-brightness, and long-life light-emitting element. It is small in size and comes in a variety of shapes, making it particularly suitable for the environment inside the handle 100.

[0032] Reference Figure 1 In some embodiments, the handle 100 is provided with a suction button seat 110, which is connected to the other end of the suction tube 200. The other end of the suction tube 200 is connected to a suction device or liquid supply device outside the handle 100 through the suction button seat 110.

[0033] In some embodiments, the inner layer 610 is made of PTFE. Teflon, scientifically known as polytetrafluoroethylene, or PTFE for short, is a polymer material with excellent properties. Teflon has excellent non-stick properties; almost no substances adhere to it, even very thin films exhibit this non-adhesive property. Teflon also has excellent heat and low-temperature resistance. It can withstand temperatures up to 300°C for short periods, has a melting point of 327°C, and does not melt at 380°C. It can generally be used continuously between 240°C and 260°C, exhibiting significant thermal stability. Meanwhile, it can operate at freezing temperatures without becoming brittle, with a cold resistance temperature of -190℃; Teflon has a low coefficient of friction, which changes under load but remains only between 0.04 and 0.15, exhibiting good lubrication performance; Teflon surfaces are non-repellent to water and oil, and are not easily contaminated by solutions during production operations, making them easy to clean and maintain; Teflon is virtually unaffected by chemicals and can withstand the effects of all strong acids except molten alkali metals, fluorinated media, and sodium hydroxide above 300℃, including aqua regia, strong alkalis, strong oxidizing agents, reducing agents, and various organic solvents; Teflon has excellent aging properties, exhibiting the best non-aging lifespan among plastics; in normal environments below 300℃, Teflon is physiologically inert, non-toxic, and can be used as a material for pharmaceutical and food equipment.

[0034] In some embodiments, the outer layer 630 is made of TPU. TPU, or thermoplastic polyurethane elastomer, is widely used in various fields due to its excellent properties: footwear, apparel, wire and cable, electronics, healthcare, sports and leisure, industrial applications, and the automotive industry.

[0035] Reference Figure 1 In some embodiments, a sheath 900 is connected to the handle 100. The sheath 900 is fitted onto one end of the insertion part 300. The sheath 900 has the function of protecting one end of the insertion part 300 and preventing the one end of the insertion part 300 from being damaged due to excessive bending.

[0036] It is understandable that the endoscope also includes a main board, connectors, and adjustment mechanisms for controlling the bending of the insertion part 300. The main board, connectors, insertion part 300, and adjustment mechanisms are common components and structures in the existing endoscope technology, and will not be described in detail here.

[0037] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0038] Of course, this utility model is not limited to the above-described embodiments. Those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of this utility model. All such equivalent modifications or substitutions are included within the scope defined by the claims of this application.

Claims

1. An endoscope with a large suction flow rate, characterized in that, include: Handle (100), wherein a suction tube (200) is provided on the handle (100); The insertion part (300) has a protective channel. One end of the insertion part (300) is connected to the handle (100), and the other end of the insertion part (300) is connected to the tip (400). The tip (400) is provided with a camera module (500) and a clamping mouth (410). The clamping tube (600) forms a clamping channel. The clamping tube (600) includes an inner layer (610), an optical fiber layer (620), and an outer layer (630) arranged sequentially inside and outside. One end of the clamping tube (600) passes through the inner cavity of the handle (100) and is connected to one end of the suction tube (200). The other end of the clamping tube (600) passes through the protective channel and extends to the clamping opening (410). A light source (700) is located in the inner cavity of the handle (100) and abuts against one end of the clamp tube (600). The light emitted by the light source (700) can be conducted into the human body through the optical fiber layer (620) to illuminate the camera module (500).

2. An endoscope with a large suction flow rate according to claim 1, characterized in that, One end of the clamp tube (600) is connected to one end of the suction tube (200) via a tee (800), and the handle (100) is provided with an adapter tube (810), the third port of the tee (800) is connected to the adapter tube (810).

3. An endoscope with a large suction flow rate according to claim 2, characterized in that, The light source (700) is ring-shaped and is sleeved on the second port (820) of the tee (800). The second port (820) is inserted into one end of the clamp tube (600).

4. An endoscope with a large suction flow rate according to any one of claims 1 to 3, characterized in that, The light source (700) is an LED.

5. An endoscope with a large suction flow rate according to claim 1, characterized in that, The handle (100) is provided with a suction button seat (110), which is connected to the other end of the suction tube (200).

6. An endoscope with a large suction flow rate according to claim 1, characterized in that, The inner layer (610) is made of PTFE.

7. An endoscope with a large suction flow rate according to claim 1, characterized in that, The outer layer (630) is made of TPU.

8. An endoscope with a large suction flow rate according to claim 1, characterized in that, A sheath (900) is connected to the handle (100), and the sheath (900) is fitted onto one end of the insertion part (300).

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