Endoscope perfusion and suction system

Abstract

The utility model relates to an endoscope perfusion and suction system which comprises a perfusion pump and an endoscope, a sheath base is provided with a first suction channel communicated with a sheath tube, a first suction connector of the perfusion pump is provided with a first suction tube, and the tail end of the first suction tube is communicated with the first suction channel; a second suction channel communicated with the sheath tube is further constructed on the sheath base, one end of a second suction tube is communicated with the second suction channel, the other end of the second suction tube is communicated with a first negative pressure suction bottle, a first air suction tube is further arranged on the first negative pressure suction bottle, and the tail end of the first air suction tube is communicated with the central negative pressure end; a suction key switch is arranged on the sheath base and located on the outer side of the second suction channel, and the suction key switch is suitable for opening or closing the second suction channel. Two negative pressure suction channels are additionally arranged on the sheath base, one negative pressure suction channel is communicated with the central negative pressure end, and in the stone cleaning process, it is ensured that stones are sucked into the sheath tube; after the calculus enters the sheathing canal, the good follow-up performance of the calculus is ensured when the pressure of a perfusion suction system is stabilized.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical equipment technical field especially, relates to a kind of endoscope perfusion suction systems. BACKGROUND

[0002] ‌Perfusion suction system is mainly composed of main machine (including suction pump and perfusion pump), suction bottle and bottle seat, rubber tube and suction sheath‌. These components work together, for liquid perfusion and suction in urological endoscopic minimally invasive surgery.

[0003] A kind of medical perfusion suction system is disclosed in a Chinese patent with publication number CN117717671B, which includes a trolley, a main machine, a negative pressure pump, a guide sheath, a collection bottle, a collection barrel, a peristaltic pump, a liquid bag, and a hydraulic sensor disposed at the front end of the guide sheath; the main machine includes a first processor, a hydraulic signal conditioning circuit, a negative pressure signal acquisition circuit, a peristaltic pump control circuit, and a negative pressure pump control circuit connected to the first processor; the hydraulic sensor is connected to the input end of the hydraulic signal conditioning circuit through a signal line; the negative pressure sensor is connected to the input end of the negative pressure signal acquisition circuit; the negative pressure pump is connected to the output end of the negative pressure pump control circuit; and the peristaltic pump is connected to the output end of the peristaltic pump control circuit. The present invention is suitable for percutaneous nephrolithotomy, soft / hard ureterolithotripsy, and can monitor the pressure, liquid flow rate, and flow rate in the surgical cavity in real time, adjust the pressure, liquid flow rate, and flow rate in the cavity, etc., so that they are within the required range for surgery, ensuring safe surgery and stable and reliable structure.

[0004] In the above-mentioned scheme, a suction pipeline is provided on the endoscope, which has the following problems: ① During the process of cleaning stones, the suction pressure is insufficient to bring the stones into the sheath; ② During the process of pressure stabilization, the stones do not follow well due to insufficient suction pressure. SUMMARY

[0005] To solve the above problems, the utility model aims to provide an endoscope perfusion suction system, which increases two negative pressure suction channels on the sheath seat (handle), one of which is connected to the central negative pressure end, and in the process of cleaning stones, the suction force of the central negative pressure end can be superimposed to ensure that the stones are sucked into the sheath tube; the other is connected to the perfusion pump, and after the stones enter the sheath tube, the perfusion suction system maintains good suction force during pressure stabilization, ensuring good followability of the stones.

[0006] To achieve the above-mentioned purposes, the utility model adopts the following technical solutions:

[0007] An endoscope perfusion suction system comprises a perfusion pump and an endoscope, a sheath tube of the endoscope extends into a cavity through a sheath seat, the sheath seat is provided with a first suction channel communicated with the sheath tube, a first suction pipe is mounted on a first suction interface of the perfusion pump, and an end of the first suction pipe is communicated with the first suction channel.

[0008] Preferably, the first negative pressure suction bottle is provided with a first collection bottle, a first collection pipe is inserted into the first collection bottle, an upper end of the first collection pipe extends out of an upper end of the first negative pressure suction bottle, and an end of the second suction pipe is sleeved outside the upper end of the first collection pipe.

[0009] Preferably, the first negative pressure suction bottle is provided with a first air guide pipe, an upper end of the first air guide pipe extends out of an upper end of the first negative pressure suction bottle, and an end of the first air suction pipe is sleeved outside the upper end of the first air guide pipe.

[0010] Preferably, the sheath seat is further provided with a third suction channel communicated with the sheath tube, an end of a third suction pipe is communicated with the third suction channel, and the other end of the third suction pipe is communicated with a second negative pressure suction bottle, the second negative pressure suction bottle is further provided with a second air suction pipe, and an end of the second air suction pipe is communicated with a second suction interface of the perfusion pump.

[0011] Preferably, the first suction channel and the third suction channel have the same inner diameter, and the second suction channel has a larger inner diameter than the first suction channel and the third suction channel.

[0012] Preferably, the second negative pressure suction bottle is provided with a second collection bottle, a second collection pipe is inserted into the second collection bottle, and an upper end of the second collection pipe extends out of an upper end of the second negative pressure suction bottle.

[0013] Preferably, the second negative pressure suction bottle is provided with a second air guide pipe, an upper end of the second air guide pipe extends out of an upper end of the second negative pressure suction bottle, and an end of the second air suction pipe is sleeved outside the upper end of the second air guide pipe.

[0014] The above technical scheme has the following beneficial effects:

[0015] ①, in the sheath seat (handle) of the endoscope, increase a second suction channel, the second suction channel is connected with the central negative pressure end, the sheath seat is provided with a suction button switch for controlling the on-off of the first suction channel, the second suction channel is opened by the suction button switch, the suction force in the sheath tube can be increased, the stones are ensured to be sucked into the sheath tube, and the stone powder is sucked into the first collecting bottle by the central negative pressure, so that the problem that the stones cannot be brought into the sheath in the stone cleaning process due to insufficient suction pressure is solved.

[0016] ②, in the sheath seat (handle) of the endoscope, increase another third suction channel, the third suction channel is connected with the suction interface of the perfusion pump, the third suction channel is closed by the suction button switch when the perfusion pump is in stable pressure, the pressure in the sheath is kept stable, the perfusion pump can still keep good negative pressure suction force in the sheath through the first and third suction channels, and the stones can be moved in the sheath, so that the problem of poor following of the stones caused by insufficient suction pressure in the stable pressure process of the perfusion suction system is solved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a connection schematic diagram of an endoscope perfusion suction system.

[0018] Figure 2 It is a schematic diagram of the arrangement of each suction channel on the sheath seat.

[0019] Figure 3 It is Figure 1 the enlarged schematic diagram of B in the middle.

[0020] Figure 4 It is Figure 1 the enlarged schematic diagram of A in the middle.

[0021] Figure 5 It is the enlarged schematic diagram of C. DETAILED DESCRIPTION

[0022] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are intended to explain the present application, and cannot be understood as a limitation of the present application.

[0023] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like is the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0024] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, unless otherwise stated, the meaning of "a plurality of" is two or more, unless otherwise explicitly limited.

[0025] In the utility model, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0026] In the utility model, unless otherwise explicitly specified and limited, the "upper" or "lower" of the first feature to the second feature can include the direct contact of the first and second features, or the indirect contact of the first and second features through another feature between them. Moreover, the "upper", "upper" and "upper" of the first feature to the second feature include the vertical and inclined upward of the first feature above the second feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The "below", "below" and "below" of the first feature to the second feature include the vertical and inclined downward of the first feature below the second feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0027] As Figures 1-5The shown endoscope perfusion suction system comprises a perfusion pump 1 and an endoscope 2, a sheath tube 200 of the endoscope 2 extends into a cavity 100 through a sheath seat 3, the sheath seat 3 is provided with a first suction passage 4 communicated with the sheath tube 200, a first suction pipe 5 is mounted on a first suction interface of the perfusion pump 1, and an end of the first suction pipe 5 is communicated with the first suction passage 4; the suction system further comprises a second suction pipe 6, the sheath seat 3 is further provided with a second suction passage 7 communicated with the sheath tube 200, one end of the second suction pipe 6 is communicated with the second suction passage 7, and the other end is communicated with a first negative pressure suction bottle 8, the first negative pressure suction bottle 8 is further provided with a first air suction pipe 9, and an end of the first air suction pipe 9 is communicated with a central negative pressure end 300; the sheath seat 3 is provided with a suction button switch 10 outside the second suction passage 7, and is suitable for opening or closing the second suction passage 7.

[0028] In the above technical solution, a second suction passage is added on the sheath seat (handle) of the endoscope, the second suction passage is connected with the central negative pressure end, the sheath seat is provided with a suction button switch (which can be an electromagnetic valve or other on-off switch) for controlling the on-off of the first suction passage, the second suction passage is opened by the suction button switch, the suction force in the sheath tube is increased, and the stones are ensured to be sucked into the sheath tube, the stones are sucked into the first collection bottle by the central negative pressure along the second suction pipe, and the problem that the stones cannot be brought into the sheath in the stone cleaning process due to insufficient suction pressure is solved.

[0029] Further, the first negative pressure suction bottle 8 is provided with a first collection bottle 11, the first collection bottle 11 is inserted with a first collection pipe 12, an upper end of the first collection pipe 12 extends out of an upper end of the first negative pressure suction bottle 8, and an end of the second suction pipe 6 is sleeved outside the upper end of the first collection pipe 12. In the technical solution, the stones are sucked into the first collection bottle of the first negative pressure suction bottle, the first negative pressure suction bottle is prevented from being troublesome to clean, the first collection pipe of the first collection bottle extends out of the first negative pressure suction bottle, the second suction pipe is easily installed, and it is more convenient.

[0030] Further, the first negative pressure suction bottle 8 is inserted with a first air guide pipe 13, an upper end of the first air guide pipe 13 extends out of an upper end of the first negative pressure suction bottle 8, and an end of the first air suction pipe 9 is sleeved outside the upper end of the first air guide pipe 13. In the technical solution, the first air guide pipe is provided, the first air suction pipe is easily installed, and it is more convenient.

[0031] Further, a third suction tube 14 is further included, a third suction passage 15 communicating with the sheath tube 200 is further constructed on the sheath seat 3, one end of the third suction tube 14 communicates with the third suction passage 15, and the other end communicates with a second negative pressure suction bottle 16, the second negative pressure suction bottle 16 is further provided with a second air suction tube 17, and the end of the second air suction tube 17 communicates with the second suction interface of the perfusion pump 1. In the technical scheme, another third suction passage is added on the sheath seat (handle) of the endoscope, the third suction passage is connected with the suction interface of the perfusion pump, when the perfusion pump is in stable pressure, the suction button switch closes the third suction passage, the pressure in the sheath is kept stable, the perfusion pump can still keep good negative pressure suction force in the sheath through the first and third suction passages, and it is ensured that the stones can move in the sheath, and the problem of poor following of the stones caused by insufficient suction pressure in the stable pressure process of the perfusion and suction system is solved.

[0032] Further, the inner diameters of the first suction passage 4 and the third suction passage 15 are the same, and the inner diameter of the second suction passage 7 is larger than that of the first suction passage 4 and the third suction passage 15. In the technical scheme, the inner diameter of the second suction passage is set to be larger, the negative pressure suction effect can be increased, and it is ensured that the stones can enter the second suction passage to the first collecting bottle.

[0033] Further, the second negative pressure suction bottle 16 is provided with a second collecting bottle 18, the second collecting bottle 18 is inserted with a second collecting tube 19, the upper end of the second collecting tube 19 extends out of the upper end of the second negative pressure suction bottle 16, and the end of the third suction tube 14 is sleeved outside the upper end of the second collecting tube 19. In the technical scheme, the stones are sucked into the second collecting bottle of the second negative pressure suction bottle, the second negative pressure suction bottle is prevented from being troublesome to clean, and the second collecting tube of the second collecting bottle also extends out of the second negative pressure suction bottle, the installation of the third suction tube is easy, and it is more convenient.

[0034] Further, the second negative pressure suction bottle 16 is inserted with a second air guide tube 20, the upper end of the second air guide tube 20 extends out of the upper end of the second negative pressure suction bottle 16, and the end of the second air suction tube 17 is sleeved outside the upper end of the second air guide tube 20. In the technical scheme, the installation of the second air suction tube is also easy due to the setting of the second air guide tube, and it is more convenient. It should be noted here that the second air suction tube is connected with the perfusion pump through a connecting tube.

[0035] In the specific embodiment, in order to solve the problems of insufficient suction pressure and poor following of stones in the sheath, the above scheme adds two negative pressure suction channels on the sheath seat (handle), one second suction channel is connected with the central negative pressure end, in the process of cleaning the stones, the second suction channel is opened by the suction button switch, the suction force in the sheath pipe is increased, and the stones are ensured to be sucked into the sheath pipe; the other third suction channel is connected with the perfusion pump, after the stones enter the sheath pipe, the perfusion pump can still maintain the good negative pressure suction force in the sheath through the first and third suction channels when the perfusion suction system is stabilized, and the good following of the stones is ensured.

[0036] The specific operation is as follows: in the operation process, the second suction channel is opened by the suction button switch, at this time, the stone powder is sucked into the first collection bottle through the central negative pressure; the second suction channel is closed, at this time, the stone powder is sucked into the second collection bottle through the suction force of the first and third suction channels of the perfusion pump.

[0037] In the description of the specification, the description of the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in combination with the embodiment or example are included in at least one embodiment or example of the utility model. In the specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0038] Although the embodiments of the utility model have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limiting the utility model, and the ordinary skilled in the art can change, modify, replace and modify the above embodiments in the range of the utility model without departing from the principles and purposes of the utility model.

Claims

1. An endoscopic irrigation and aspiration system, comprising an irrigation pump (1) and an endoscope (2), wherein the sheath (200) of the endoscope (2) extends into a cavity (100) through a sheath seat (3), the sheath seat (3) is provided with a first aspiration channel (4) communicating with the sheath (200), and a first aspiration tube (5) is installed on the first aspiration port of the irrigation pump (1), the end of the first aspiration tube (5) communicating with the first aspiration channel (4); characterized in that: It also includes a second suction tube (6), and a second suction channel (7) communicating with the sheath tube (200) is also constructed on the sheath seat (3). One end of the second suction tube (6) is connected to the second suction channel (7), and the other end is connected to the first negative pressure suction bottle (8). The first negative pressure suction bottle (8) is also provided with a first suction tube (9), and the end of the first suction tube (9) is connected to the central negative pressure end (300). A suction button switch (10) is provided on the outside of the second suction channel (7) on the sheath seat (3), which is suitable for opening or closing the second suction channel (7).

2. The endoscopic irrigation and aspiration system according to claim 1, characterized in that: The first negative pressure suction bottle (8) is provided with a first collection bottle (11), and a first collection tube (12) is inserted into the first collection bottle (11). The upper end of the first collection tube (12) extends out of the upper end of the first negative pressure suction bottle (8), and the end of the second suction tube (6) is sleeved on the outer side of the upper end of the first collection tube (12).

3. An endoscopic irrigation and aspiration system according to claim 2, characterized in that: The first negative pressure suction bottle (8) is fitted with a first air guide tube (13), the upper end of the first air guide tube (13) extends out of the upper end of the first negative pressure suction bottle (8), and the end of the first suction tube (9) is sleeved on the outer side of the upper end of the first air guide tube (13).

4. An endoscopic irrigation and aspiration system according to claim 1, characterized in that: It also includes a third suction tube (14), and a third suction channel (15) communicating with the sheath tube (200) is also constructed on the sheath seat (3). One end of the third suction tube (14) is connected to the third suction channel (15), and the other end is connected to the second negative pressure suction bottle (16). The second negative pressure suction bottle (16) is also provided with a second suction tube (17), and the end of the second suction tube (17) is connected to the second suction interface of the infusion pump (1).

5. An endoscopic irrigation and aspiration system according to claim 4, characterized in that: The first attraction channel (4) and the third attraction channel (15) have the same inner diameter, and the second attraction channel (7) has a larger inner diameter than the first attraction channel (4) and the third attraction channel (15).

6. An endoscopic irrigation and aspiration system according to claim 4, characterized in that: The second negative pressure suction bottle (16) is provided with a second collection bottle (18), and a second collection tube (19) is inserted into the second collection bottle (18). The upper end of the second collection tube (19) extends out of the upper end of the second negative pressure suction bottle (16), and the end of the third suction tube (14) is sleeved on the outer side of the upper end of the second collection tube (19).

7. An endoscopic irrigation and aspiration system according to claim 6, characterized in that: The second negative pressure suction bottle (16) is fitted with a second air guide tube (20), the upper end of the second air guide tube (20) extends out of the upper end of the second negative pressure suction bottle (16), and the end of the second suction tube (17) is sleeved on the outer side of the upper end of the second air guide tube (20).

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