CN219126260U - Endoscope system - Google Patents

Abstract

The utility model provides an endoscope system, which comprises a mirror body, a host machine, a gas-liquid bottle, a first gas generating device and a second gas generating device, wherein the mirror body comprises a light guide part connected with the host machine, and the gas-liquid bottle comprises: a bottle body containing a liquid; one end of the liquid conveying pipeline is connected with the light guide part, and the other end of the liquid conveying pipeline sinks below the liquid level in the bottle body; one end of the air supply pipeline is connected with the light guide part, and the other end of the air supply pipeline is positioned above the liquid level in the bottle body; and one end of the air inlet pipeline is positioned above the liquid level in the bottle body, and the other end of the air inlet pipeline is selectively arranged on the first gas generating device or the second gas generating device at any time. According to the endoscope system, the air inlet pipeline is arranged on the air-liquid bottle, and the air inlet pipeline is selectively arranged on the first air generating device or the second air generating device at any time, so that the condition that the first air generating device and the second air generating device supply air at the same time is avoided, the structure is simple, and the operation is easy.

Description

Endoscope system

Technical Field

The utility model relates to the technical field of endoscopes, in particular to an endoscope system.

Background

Currently, endoscopes are widely used in medical diagnosis and treatment, and when performing examination or treatment using an endoscope, it is necessary to supply gas and water into a body cavity through a pipeline in order to ensure a field of view of the endoscope and to ensure cleanliness in an operation region of a treatment tool. The gas is usually air or carbon dioxide, and the air and the carbon dioxide are respectively correspondingly generated by an air generating device and a carbon dioxide generating device.

However, because the start switch of the air generating device and the start switch of the carbon dioxide generating device are separately arranged, in the using process of the endoscope, an instrument operator easily forgets to turn off one of the carbon dioxide generating device and the air generating device, and turns on the other one of the carbon dioxide generating device and the air generating device, namely, the carbon dioxide generating device and the air generating device are in the on state, so that air and carbon dioxide can enter a human body at the same time, an endoscope body can be damaged, and the human body can be damaged, so that the effects of operation and treatment are affected.

Disclosure of Invention

The utility model provides an endoscope system, which aims to solve the problem that the existing endoscope system is easy to have a state that a carbon dioxide generating device and an air generating device are both in an open state.

In order to achieve one of the above objects, an embodiment of the present utility model provides an endoscope system including a scope body, a main body, a gas-liquid bottle, a first gas generating device and a second gas generating device, the scope body including a light guide portion connected to the main body, the gas-liquid bottle including:

a bottle body containing a liquid;

one end of the liquid conveying pipeline is connected with the light guide part, and the other end of the liquid conveying pipeline sinks below the liquid level in the bottle body;

one end of the air supply pipeline is connected with the light guide part, and the other end of the air supply pipeline is positioned above the liquid level in the bottle body;

and one end of the air inlet pipeline is positioned above the liquid level in the bottle body, and the other end of the air inlet pipeline is selectively arranged on the first gas generating device or the second gas generating device at any time.

As a further improvement of the above technique, the endoscope system further includes a filter for filtering the gas entering the gas-liquid bottle.

As a further improvement of the above technique, the filter is connected in series to the intake line.

As a further improvement of the above technique, the endoscope system further includes a quick connector including a base body, a rotating body rotatably connected to the base body.

As a further improvement of the technology, the base body comprises a columnar body, a convex edge and a convex rib which are sequentially arranged along the axial direction of the columnar body, wherein the convex edge and the convex rib are arranged on the outer surface of the columnar body around the axial line of the columnar body and are positioned at different angle positions, and the rotating body is provided with a limit groove matched with the convex edge.

As a further improvement of the above technique, the liquid feeding pipe and the air feeding pipe are integrated into a liquid feeding and air feeding pipe composed of a hose, and the quick connector is used for connecting the liquid feeding and air feeding pipe and the light guide portion.

As a further improvement of the above technology, the mirror body further includes an operation part, an in-mirror air supply pipeline, an in-mirror liquid supply pipeline, and a gas-liquid valve mounted on the operation part, wherein the gas-liquid valve is provided with a communication port communicated with the outside, an air inlet connected with the air supply pipeline, an air outlet connected with the in-mirror air supply pipeline, a liquid inlet connected with the liquid supply pipeline, and a liquid outlet connected with the in-mirror liquid supply pipeline, and the gas-liquid valve has a natural state communicated with the communication port and the air supply pipeline, a gas supply mode communicated with the air inlet and the air outlet, and a liquid supply mode of the liquid inlet and the liquid outlet.

As a further improvement of the above technology, the gas-liquid valve comprises a housing, a main shaft slidably mounted in the housing, and a sealing structure sleeved outside the main shaft; the air inlet and the air outlet are arranged in the shell at intervals along the axial direction of the main shaft, the sealing structure comprises a first sealing piece arranged between the air inlet and the air outlet, the first sealing piece is arranged in a conical shape and is provided with an outer edge and an inner edge which are arranged along the radial direction, the shell comprises a first step section and a second step section adjacent to the first step section, and the inner diameter of the second step section is smaller than that of the first step section.

As a further improvement of the above technique, the gas-liquid valve includes an elastic member connecting the spindle and the housing, and the deformation amount of the elastic member increases when the spindle moves from the gas-feeding state to the liquid-feeding state.

As a further improvement of the above technology, the first gas generating device and the second gas generating device are provided separately from the host.

Compared with the prior art, the endoscope system provided by the utility model has the beneficial effects that: according to the endoscope system, the air inlet pipeline is arranged on the air-liquid bottle, and the air inlet pipeline is selectively arranged on the first air generating device or the second air generating device at any time, so that the condition that the first air generating device and the second air generating device supply air at the same time is avoided, the structure is simple, and the operation is easy.

Drawings

FIG. 1 is a schematic view of an endoscope system provided in an embodiment of the present utility model;

FIG. 2 is a perspective view of a filter provided in an embodiment of the utility model;

FIG. 3 is a schematic view showing an internal structure of a filter according to an embodiment of the present utility model;

FIG. 4 is a schematic diagram of a light guiding portion according to an embodiment of the present utility model;

FIG. 5 is a schematic view of a light guiding portion according to an embodiment of the present utility model;

FIG. 6 is a schematic view of a quick connector according to an embodiment of the present utility model mounted to a light guide;

FIG. 7 is a schematic view of a gas-liquid valve according to an embodiment of the present utility model in a natural state;

FIG. 8 is a schematic view of a gas-liquid valve according to an embodiment of the present utility model in a gas-feed state;

fig. 9 is a schematic structural diagram of a gas-liquid valve in a liquid feeding state according to an embodiment of the present utility model.

In the figure: 10. a mirror body; 11. a light guide section; 20. a host; 30. a gas-liquid bottle; 31. a bottle body; 32. a liquid feeding pipeline; 33. an air supply line; 34. an air intake line; 341. a first pipeline; 342. a second pipeline; 40. a first gas generating device; 50. a second gas generating device; 60. a filter; 61. an air inlet; 62. an exhaust port; 63. a filter element; 70. a quick connector; 71. a base; 711. a columnar body; 712. a convex edge; 713. a convex rib; 714. a hollow hole; 72. a rotating body; 721. a cavity; 722. a convex edge; 723. a limit groove; 80. an operation unit; 81. an in-lens air supply pipeline; 82. an in-lens liquid supply pipeline; 90. a gas-liquid valve; 91. a housing; 911. an air inlet; 912. an air outlet; 913. a liquid inlet; 914. a liquid outlet; 915. a body; 9151. a first step; 9152. a second step; 916. a head cover; 9161. a limiting block; 92. a main shaft; 921. a communication port; 922. a hollow passage; 923. a stop block; 93. a sealing structure; 931. a first seal; 932. a second seal; 933. a third seal; 94. an elastic member.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 1, in one embodiment of the present utility model, an endoscope system is provided, which includes a scope 10, a main body 20, a gas-liquid bottle 30, a first gas generating device 40, and a second gas generating device 50. The lens body 10 includes an optical lens, a light guiding fiber, and a light guiding portion 11 mounted on the host 20, wherein the optical lens is used for observing a surgical environment, and the light guiding fiber provides illumination for the optical lens. The host 20 is used to provide a light source for the light guide fiber to facilitate the operator's view of the surgical environment.

As shown in fig. 2, the gas-liquid bottle 30 includes a bottle body 31, a liquid feeding pipe 32, a gas feeding pipe 33, and a gas inlet pipe 34, wherein one end of the liquid feeding pipe 32 is connected to the light guide 11, and the other end thereof is submerged below the liquid surface in the bottle body 31. One end of the air supply line 33 is connected to the light guide 11, and the other end is located above the liquid surface in the bottle 31. One end of the air intake pipe 34 is located above the liquid level in the bottle 31, and the other end is selectively installed at any time on the first gas generator 40 or the second gas generator 50.

Specifically, the air intake end of the air intake pipe 34 needs to be selectively installed in the first gas generating device 40 or the second gas generating device 50. That is, when the dispensed gas needs to be replaced, the air inlet end of the air inlet pipeline 34 is pulled out from one of the first gas generating device 40 and the second gas generating device 50 and then is mounted to the other of the first gas generating device 40 and the second gas generating device 50, so that the quick replacement of the gas is realized, the condition that the first gas generating device 40 and the second gas generating device 50 supply air at the same time can be avoided, and the whole structure is simple and the operation is convenient.

Further, the first gas generating device 40 and the second gas generating device 50 are separately disposed with respect to the host 20, that is, the first gas generating device 40 and the second gas generating device 50 are not disposed inside the host 20, so that the volume of the host 20 can be reduced, and the gas generating device required by the operator of the apparatus can be replaced according to the actual requirement.

Alternatively, the first gas generating means 40 is arranged for supplying air and the second gas generating means 50 is arranged for supplying carbon dioxide.

In this embodiment, as shown in fig. 1, 3 and 4, the endoscope system further includes a filter 60 for filtering the gas entering the gas-liquid bottle 30, and the filter 60 can filter the gas entering the gas-liquid bottle 30, so as to prevent impurities from entering the pipeline, ensure a sterile and clean environment during the use of the endoscope system, and ensure the safety of the operation.

Further, the filter 60 is connected in series to the intake line 34. That is, the filter 60 has an air inlet 61, an air outlet 62, a passage provided in communication with the air inlet 61 and the air outlet 62, and a filter element 63 provided in the passage. The air intake line 34 includes a first line 341 connected to the air inlet 61 and a second line 342 connected to the air outlet 912, thereby facilitating replacement of the filter 60.

Of course, the filter 60 may be further mounted to the air inlet end of the air-liquid bottle 30 or the air inlet end of the air inlet pipeline 34, so long as the air entering the air-liquid bottle 30 can be filtered and the air-liquid bottle is easy to be disassembled and assembled, and therefore, all technical schemes which are the same as or similar to the present embodiment are included in the protection scope of the present utility model.

In this embodiment, the filter 60 is mounted to the air inlet pipeline 34, so that the filter 60 is separately disposed relative to the first gas generating device 40 and the second gas generating device 50, thereby facilitating replacement of the filter 60, avoiding that the filter 60 can be replaced only by disassembling the gas generating device because the filter 60 is disposed in the gas generating device, having simpler operation, easier installation and later maintenance, and being beneficial to reducing the disassembly, assembly and maintenance costs of the product.

Further, the filter 60 needs to meet the medical conditions of the human body, and the filtering rate of the filter 60 on the particles with the particle size of 0.5 micron or more in the gas is not less than 90%, so as to ensure the cleanness of the operation environment and avoid the infection of the human body caused by the gas entering the body cavity.

Optionally, the filter 60 is connected to the air inlet pipe 34 through a pneumatic quick-change connector, so as to facilitate the disassembly and assembly of the filter 60.

In the present embodiment, as shown in fig. 5 and 6, fig. 6 a shows a schematic structure of the base body mounted to the light guide portion, b shows a side view of the base body mounted to the light guide portion, and c shows a schematic structure of the rotating body. The endoscope system further comprises a quick connector 70, and the quick connector 70 can be used for connection of an air path or a liquid path, so that the disassembly and assembly efficiency and the installability are improved. The quick connector 70 includes a base 71 and a rotating body 72 rotatably coupled to the base 71. Of course, in other embodiments, the endoscope system may also employ other structures of the quick connector 70, and thus all technical solutions that are the same as or similar to the present embodiment are included in the scope of the present utility model.

Further, the base 71 includes a cylindrical body 711, a flange 712 and a flange 713 sequentially disposed along an axial direction of the cylindrical body 711, the flange 712 and the flange 713 are disposed on an outer surface of the cylindrical body 711 around an axial line of the cylindrical body 711 and are disposed at different angular positions, and hollow holes 714 for air supply or liquid flow are disposed in the cylindrical body 711. The rotating body 72 includes a cavity 721 matching with the columnar body 711, a flange 722 provided at an opening of the cavity 721, and a limit groove 723 matching with the flange 712 and the rib 713, wherein the limit groove 723 is provided at the flange 722.

In the present embodiment, the liquid feed line 32 and the air feed line 33 are integrated into a liquid feed and air feed line composed of a flexible tube, so that the liquid feed line 32 and the air feed line 33 can be prevented from being wound together, and the whole endoscope system can be ensured to be neat. Alternatively, the quick connector 70 may be used to connect the liquid and gas feeding line and the light guide 11.

In order to facilitate the installation of the liquid and gas feeding pipe 33, the bottom of the columnar body 711 is mounted on the light guide 11, and the light guide 11 is further provided with a liquid inlet parallel to the hollow hole 714. The convex edge 712 is disposed at an end of the columnar body 711 away from the light guide portion 11, and the convex edge 712 and the convex rib 713 are disposed at intervals along the axial direction of the columnar body 711. The liquid and gas feeding pipe 33 is provided with a rotary body 72 fitted to the base 71, and the rotary body 72 is provided with communication holes corresponding to the hollow holes and the liquid inlet holes.

Optionally, the hollow hole 714 is used for gas flow, and the liquid inlet hole is arranged side by side with the hollow hole 714.

In the process of assembling the quick connector 70, the limiting groove 723 on the rotating body 72 is aligned with the convex edge 712, so as to push the rotating body 72 to move towards the light guide part 11 along the axial direction of the columnar body 711 until the rotating body 72 abuts against the convex rib 713, rotate the rotating body 72 to align the limiting groove 723 with the convex rib 713, and further push the rotating body 72 to move towards the light guide part 11 along the axial direction of the columnar body 711, thereby realizing the connection between the rotating body 72 and the base body 71 and communicating a liquid and gas conveying pipeline with the light guide part 11.

Optionally, the liquid and air feeding pipeline can be formed by adopting a spring hose, so that the bending device can adapt to bending at a larger angle and avoid blockage caused by bending the pipeline.

In this embodiment, as shown in fig. 1 and 7 to 9, the mirror body 10 further includes an operation portion 80, an in-mirror air supply line 81, an in-mirror liquid supply line 82, and a gas-liquid valve 90 attached to the operation portion 80. The operating portion 80 is intended to be held by an operator of the apparatus to facilitate movement of the operating optical lens. Arrows in fig. 7 to 9 show the flow of gas/liquid in the gas-liquid valve 90.

The gas-liquid valve 90 is provided with a communication port 921 communicating with the outside, an air inlet 911 connected to the air supply line 33, an air outlet 912 connected to the in-lens air supply line 81, a liquid inlet 913 connected to the liquid supply line 32, and a liquid outlet 914 connected to the in-lens liquid supply line 82. The gas-liquid valve 90 has a natural state in which the communication port 921 and the gas supply line 33 communicate with each other, a gas supply mode in which the gas inlet 911 and the gas outlet 912 communicate with each other, and a liquid supply mode in which the liquid inlet 913 and the liquid outlet 914 communicate with each other.

Further, the gas-liquid valve 90 includes a housing 91, a main shaft 92 slidably mounted in the housing 91, and a sealing structure 93 sleeved outside the main shaft 92, wherein the sealing structure 93 is disposed between the main shaft 92 and the housing 91. The liquid inlet 913, the liquid outlet 914, the air inlet 911 and the air outlet 912 are arranged on the casing 91 at intervals along the axial direction of the main shaft 92, the sealing structure 93 comprises a first sealing member 931, a second sealing member 932 and a third sealing member 933 which are arranged at intervals along the axial direction of the main shaft 92, and the sealing structure 93 is arranged among the liquid inlet 913, the liquid outlet 914, and the interval gaps formed in the air inlet 911 and the air outlet 912.

The first seal 931 is conically configured with radially disposed outer and inner edges. The main shaft 92 is provided with a hollow channel 922 for communicating the outside with a communication port 921, and the communication port 921 is disposed between the first seal 931 and the second seal 932. The housing 91 includes a first step 9151, a second step 9152 having a reduced inner diameter compared to the first step 9151, the first step 9151 and the second step 9152 being disposed adjacent to each other.

When the gas-liquid valve 90 is in a natural state, the communication port 921 communicates with the gas inlet 911, and the outer edge of the first seal 931 abuts against the inner wall of the first stepped section 9151; when the gas-liquid valve 90 is in the gas-feeding state, the operator of the apparatus plugs the orifice of the hollow channel 922, so that the gas acts on the outer edge of the first sealing member 931 to deform the outer edge of the first sealing member 931, and the gas-feeding port is communicated with the gas inlet 911; when the gas-liquid valve 90 is in a liquid feeding state, the main shaft 92 moves in the axial direction thereof, so that the second seal 932 and the third seal 933 move, and the liquid feeding port communicates with the liquid feeding port 913.

In the present embodiment, the gas-liquid valve 90 includes an elastic member 94 connecting the main shaft 92 and the housing 91, and the deformation amount of the elastic member 94 increases when the main shaft 92 moves from the gas-feeding state to the liquid-feeding state. The housing 91 includes a body 915, a head cover 916 connected to the body 915, a stopper 9161 for abutting against the elastic member 94 is disposed in the head cover 916, one end of the elastic member 94 abuts against the main shaft 92, and the other end of the elastic member 94 abuts against the stopper 9161. The main shaft 92 is provided with a stop block 923 located at one side of the limiting block 9161 away from the elastic member 94, and the stop block 923 is used for limiting the movement of the main shaft 92, so as to prevent the main shaft 92 from being shifted out of the housing 91.

In the use process of the gas-liquid valve 90, as shown in fig. 7, when the lens body does not need to provide gas or liquid, the gas-liquid valve 90 is in a natural state, the outer edge of the first sealing member 931 is abutted against the inner wall of the housing 91, and the gas flows out through the gas inlet 911, the communication port 921 and the hollow channel 922; when the scope body needs to provide gas, an instrument operator plugs the outlet of the hollow channel 922 above the main shaft, and the gas entering the shell 91 through the gas inlet 911 acts on the outer edge of the first sealing member 931, so that the gas outlet 912 is communicated with the gas inlet 911, and the gas enters the in-scope gas supply pipeline 81, thereby realizing the supply of the gas in the scope body; when the scope is required to be provided with liquid, the operator of the instrument presses the main shaft to move, so that the space between the second sealing element 932 and the third sealing element 933 is communicated with the liquid inlet 913 and the liquid outlet 914, and further the liquid in the scope is supplied.

In summary, the endoscope system provided by the utility model has the beneficial effects that: the endoscope system is provided with only one air inlet pipe in the air-liquid bottle 30, and the air inlet pipe is selectively arranged on the first air generating device 40 or the second air generating device 50, so that the condition that the first air generating device 40 and the second air generating device 50 supply air at the same time is avoided, and the endoscope system is simple in structure and easy to operate.

It should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is for clarity only, and that the skilled artisan should recognize that the embodiments may be combined as appropriate to form other embodiments that will be understood by those skilled in the art.

The above list of detailed descriptions is only specific to practical embodiments of the present utility model, and they are not intended to limit the scope of the present utility model, and all equivalent embodiments or modifications that do not depart from the spirit of the present utility model should be included in the scope of the present utility model.

Claims (10)

1. An endoscope system, characterized by, including mirror body, host computer, gas-liquid bottle, first gas generating device and second gas generating device, the mirror body include with the leaded light portion that the host computer is connected, the gas-liquid bottle includes:

a bottle body containing a liquid;

one end of the liquid conveying pipeline is connected with the light guide part, and the other end of the liquid conveying pipeline sinks below the liquid level in the bottle body;

one end of the air supply pipeline is connected with the light guide part, and the other end of the air supply pipeline is positioned above the liquid level in the bottle body;

and one end of the air inlet pipeline is positioned above the liquid level in the bottle body, and the other end of the air inlet pipeline is selectively arranged on the first gas generating device or the second gas generating device at any time.

2. The endoscope system of claim 1, further comprising a filter for filtering gas entering the gas-liquid bottle.

3. The endoscope system of claim 2, wherein the filter is connected in series to the air intake line.

4. The endoscope system of claim 1, further comprising a quick connector comprising a base, a rotator rotatably coupled to the base.

5. The endoscope system of claim 4, wherein the base comprises a cylindrical body, a flange and a rib sequentially arranged along an axial direction of the cylindrical body, the flange and the rib are arranged on an outer surface of the cylindrical body around an axial line of the cylindrical body and are positioned at different angular positions, and the rotating body is provided with a limit groove matched with the flange.

6. The endoscope system according to claim 4, wherein the liquid feed line and the air feed line are integrated into a liquid feed and air feed line composed of a hose, and the quick connector is configured to connect the liquid feed and air feed line and the light guide portion.

7. The endoscope system according to claim 1, wherein the scope further comprises an operation part, an in-scope air supply line, an in-scope liquid supply line, and a gas-liquid valve mounted to the operation part, the gas-liquid valve being provided with a communication port communicating with the outside, an air inlet connected to the air supply line, an air outlet connected to the in-scope air supply line, a liquid inlet connected to the liquid supply line, and a liquid outlet connected to the in-scope liquid supply line, the gas-liquid valve having a natural state communicating with the communication port and the air supply line, a gas supply mode communicating with the air inlet and the air outlet, and a liquid supply mode of the liquid inlet and the liquid outlet.

8. The endoscope system of claim 7, wherein the gas-liquid valve comprises a housing, a spindle slidably mounted within the housing, and a sealing structure nested outside the spindle; the air inlet and the air outlet are arranged in the shell at intervals along the axial direction of the main shaft, the sealing structure comprises a first sealing piece arranged between the air inlet and the air outlet, the first sealing piece is arranged in a conical shape and is provided with an outer edge and an inner edge which are arranged along the radial direction, the shell comprises a first step section and a second step section adjacent to the first step section, and the inner diameter of the second step section is smaller than that of the first step section.

9. The endoscope system of claim 8, wherein the gas-liquid valve includes an elastic member connecting the main shaft and the housing, the elastic member having an increased amount of deformation when the main shaft moves from a gas-feed state to a liquid-feed state.

10. The endoscope system of claim 1, wherein the first and second gas generating devices are disposed separately from the host.

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