Noise reduction structure of endoscope flushing and sucking system

Abstract

The utility model discloses a noise reduction structure of an endoscope flushing and sucking system, which comprises a machine base, a double-head negative pressure pump is arranged in the machine base, the double-head negative pressure pump comprises a double-head negative pressure pump A and a double-head negative pressure pump B, the double-head negative pressure pump A is provided with a pump A air inlet and a pump A air outlet, and the double-head negative pressure pump B is provided with a pump B air inlet and a pump B air outlet; the double-head negative pressure pump A and the double-head negative pressure pump B are connected in series, and a pump A air inlet of the double-head negative pressure pump A is connected with a pump B air inlet of the double-head negative pressure pump B through an air guide pipe; a silencing barrel A and a silencing barrel B are further arranged in the machine base, a pump A air outlet of the double-end negative pressure pump A is communicated with the silencing barrel A through an air guide pipe, and a pump B air outlet of the double-end negative pressure pump B is communicated with the silencing barrel B through an air guide pipe. The double-end negative pressure pump is adopted, the two pumps work at the same time, the two independent silencing barrels A and B are directly and separately used for silencing when negative pressure air outlet is conducted, environmental interference in an operation can be reduced, and the silencing and shockproof effects are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field especially is related to a kind of silencing structure of pressure control endoscope flushing suction system. BACKGROUND

[0002] Urolithiasis is the common disease, frequently-occurring disease of urology, with the continuous development of cavity endoscope technology, the continuous improvement of lithotripsy equipment and stone removal tool, currently, endoscopic laser lithotripsy is mainly used to treat kidney stones.In doing endoscopic lithotripsy surgery, flushing and / or suction process is needed, physiological saline in flushing container 12 is flushed into abdominal cavity through endoscope 13, and negative pressure pump sucks flushing liquid (waste liquid) into collection container 15 through guide sheath 14;During suction process, noise and vibration are generated when pump body operates, noise and vibration can cause instrument interference, easily leading to flow deviation, affecting intraoperative observation, diagnosis and treatment effect. SUMMARY

[0003] In order to solve the problems existing in the prior art, the purpose of the utility model is to provide a silencing structure of endoscope flushing and suction system, which reduces noise and vibration generated when negative pressure pump operates during waste liquid suction process, and enhances clinical applicability.

[0004] To achieve the above purpose, the utility model adopts the following technical scheme:

[0005] A silencing structure of endoscope flushing and suction system, comprising a base, a double-head negative pressure pump is arranged in the base, the double-head negative pressure pump comprises a double-head negative pressure A pump and a double-head negative pressure B pump, an A pump air inlet and an A pump air outlet are arranged on the double-head negative pressure A pump, a B pump air inlet and a B pump air outlet are arranged on the double-head negative pressure B pump, the double-head negative pressure A pump and the double-head negative pressure B pump are connected in series, the A pump air inlet of the double-head negative pressure A pump is connected with the B pump air inlet of the double-head negative pressure B pump through a wind guide pipe.

[0006] An A silencing cylinder and a B silencing cylinder are further arranged in the base, the A pump air outlet of the double-head negative pressure A pump is communicated with the A silencing cylinder through a wind guide pipe, and the B pump air outlet of the double-head negative pressure B pump is communicated with the B silencing cylinder through a wind guide pipe.

[0007] Further, in some embodiments, a negative pressure suction connector is arranged on the side wall of the base, and the negative pressure suction connector is communicated with the A pump air inlet of the double-head negative pressure A pump through a wind guide pipe.

[0008] Further, in some embodiments, an A cylinder air inlet connector is arranged on the wall of the A silencing cylinder, gas venting mesh holes are arranged at both ends of the A silencing cylinder, sound-absorbing cotton is arranged in the inner cavity of the A silencing cylinder close to both ends, and the sound-absorbing cotton is arranged close to the gas venting mesh holes;The B silencing cylinder has the same structure as the A silencing cylinder.

[0009] Further, in some embodiments, the A pump outlet of the double-head negative pressure A pump is communicated with the A cylinder inlet joint of the A silencer through an air duct, and the B pump outlet of the double-head negative pressure B pump is communicated with the B cylinder inlet joint of the B silencer through an air duct.

[0010] Further, in some embodiments, a three-way joint is arranged between the A pump inlet of the double-head negative pressure A pump and the negative pressure suction joint, and the negative pressure suction joint is connected with the A pump inlet of the double-head negative pressure A pump through the three-way joint. The double-head negative pressure A pump is externally provided with a proportional valve, which is arranged on the base, and the proportional valve is provided with a pressure measuring port and a negative pressure relief port; the A pump inlet of the double-head negative pressure A pump is connected with the pressure measuring port of the proportional valve through the three-way joint.

[0011] Further, in some embodiments, one end of the three-way joint is connected with the negative pressure suction joint through an air duct, the other end of the three-way joint is connected with the A pump inlet of the double-head negative pressure A pump through an air duct, and the remaining end of the three-way joint is connected with the pressure measuring port of the proportional valve through an air duct; the negative pressure suction joint, the A pump inlet of the double-head negative pressure A pump and the pressure measuring port of the proportional valve are communicated with each other through the three-way joint.

[0012] Further, in some embodiments, the base is provided with a mounting seat, and the mounting seat is provided on the base through four shock-absorbing columns arranged at the bottom of the mounting seat.

[0013] The double-head negative pressure pump is arranged in the mounting seat and is arranged on the base through the mounting seat.

[0014] The utility model discloses a kidney pelvis lithotripsy surgery, adopts double-head negative pressure pump, and the double-head negative pressure pump is divided into double-head negative pressure A pump and double-head negative pressure B pump two pumps, and the two pumps work simultaneously, but the double-head negative pressure pump has only one air inlet (A pump air inlet), and the A pump air inlet is connected with the B pump air inlet through an air duct. However, the double-head negative pressure pump has two separate air outlets, namely, the A pump outlet and the B pump outlet. The two separate air outlets are connected with the A silencer and the B silencer, respectively. The negative pressure outlet is directly divided into two independent A silencers and B silencers for silencing, which can reduce the environmental interference during the operation, improve the silencing and shock absorption effect, and improve the treatment effect. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a three-dimensional schematic view of the utility model embodiment;

[0016] Figure 2 It is a structural schematic view of the utility model embodiment;

[0017] Figure 3 It is a use schematic view of the utility model;

[0018] Figure 4 It is an exploded schematic view of the utility model embodiment;

[0019] Figure 5 The sectional structure diagram of the sound attenuation cylinder part of the embodiment of the utility model;

[0020] Figure 6 The pipeline connection schematic diagram of the embodiment of the utility model.

[0021] Mark explanation in the drawing:

[0022] Machine base 11, flushing container 12, endoscope 13, guide sheath 14, collection container 15, air duct 30, negative pressure suction plug 31, negative pressure suction connector 32, three-way connector 33, proportional valve 34, pressure measuring port 35, negative pressure relief port 36, A sound attenuation cylinder 37, B sound attenuation cylinder 38, air release mesh 39, double-head negative pressure pump 40, double-head negative pressure A pump 41, double-head negative pressure B pump 42, A pump air inlet 43, A pump air outlet 44, B pump air inlet 45, B pump air outlet 46, sound absorbing wool 47, A cylinder air inlet connector 48, B cylinder air inlet connector 49, mounting seat 51, shock absorbing column 52. DETAILED DESCRIPTION

[0023] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. In order to further understand the characteristics, technical means and specific purposes and functions achieved by the utility model, the advantages and spirits of the utility model are analyzed, the following detailed description of the utility model is combined with the drawings and specific embodiments to obtain further understanding.

[0024] It should be noted that when an assembly is referred to as "fixed to" or "disposed on" another assembly, it can be directly on another assembly or there can be a middle assembly. When an assembly is considered "connected" to another assembly, it can be directly connected to another assembly or there can be a middle assembly. The terms "vertical", "horizontal", "front", "back" and similar expressions used herein are for illustrative purposes only and are not the only embodiments.

[0025] Please refer to the drawings, the utility model includes machine base 11, be equipped with double-head negative pressure pump 40 in machine base 11, double-head negative pressure pump 40 includes double-head negative pressure A pump 41, double-head negative pressure B pump 42, be equipped with A pump air inlet 43 and A pump air outlet 44 on double-head negative pressure A pump 41, be equipped with B pump air inlet 45 and B pump air outlet 46 on double-head negative pressure B pump 42;Double-head negative pressure A pump 41 and double-head negative pressure B pump 42 are connected in series, and the A pump air inlet 43 of double-head negative pressure A pump 41 is connected with the B pump air inlet 45 of double-head negative pressure B pump 42 through air duct 30.

[0026] The side wall of the base 11 is provided with a negative pressure suction joint 32, which is communicated with the A pump air inlet 43 of the double-head negative pressure A pump 41 through the air guide pipe 30.

[0027] The base 11 is also provided with an A silencer 37 and a B silencer 38. The wall of the A silencer 37 is provided with an outwardly protruding A cylinder air inlet joint 48. The two ends of the A silencer 37 are provided with air exhaust mesh holes 39 (a plurality of air exhaust holes). The inner cavity of the A silencer 37 is provided with sound-absorbing cotton 47 close to the two ends, which is arranged close to the air exhaust mesh holes 39. The B silencer 38 has the same structure as the A silencer 37.

[0028] The two ends of the A silencer 37 and the B silencer 38 are provided with air exhaust mesh holes 39. The negative pressure air outlet is from the plurality of air exhaust holes at the two ends, which can weaken the sound and reduce the noise.

[0029] The double-head negative pressure pump 40 is divided into a double-head negative pressure A pump 41 and a double-head negative pressure B pump 42. The two pumps work simultaneously, but the double-head negative pressure pump 40 has only one air inlet (A pump air inlet 43). The A pump air inlet 43 and the B pump air inlet 45 are connected through the air guide pipe 30. However, the double-head negative pressure pump 40 has two separate air outlets, namely the A pump air outlet 44 and the B pump air outlet 46, which can reduce the sound of air pressure and weaken the sound of air pressure.

[0030] The A pump air outlet 44 of the double-head negative pressure A pump 41 is communicated with the A cylinder air inlet joint 48 of the A silencer 37 through the air guide pipe 30. The B pump air outlet 46 of the double-head negative pressure B pump 42 is communicated with the B cylinder air inlet joint 49 of the B silencer 38 through the air guide pipe 30.

[0031] A three-way joint 33 is arranged between the A pump air inlet 43 of the double-head negative pressure A pump 41 and the negative pressure suction joint 32. The negative pressure suction joint 32 is connected with the A pump air inlet 43 of the double-head negative pressure A pump 41 through the three-way joint 33. A proportional valve 34 is arranged on the outer side of the double-head negative pressure A pump 41. The proportional valve 34 is arranged on the base 11. The proportional valve 34 is provided with a pressure measuring port 35 and a negative pressure relief port 36. The A pump air inlet 43 of the double-head negative pressure A pump 41 is connected with the pressure measuring port 35 of the proportional valve 34 through the three-way joint 33.

[0032] After the negative pressure enters the negative pressure suction joint 32, the negative pressure will pass through the three-way joint 33, and then pass through the three-way joint 33 to connect the proportional valve 34 and the double-head negative pressure pump 40.

[0033] One end of the tee joint 33 is connected with the negative pressure suction joint 32 through the air duct 30, the other end of the tee joint 33 is connected with the A pump air inlet 43 of the double-head negative pressure A pump 41 through the air duct 30, the remaining end of the tee joint 33 is connected with the pressure measuring port 35 of the proportional valve 34 through the air duct 30; the negative pressure suction joint 32, the A pump air inlet 43 of the double-head negative pressure A pump 41 and the pressure measuring port 35 of the proportional valve 34 are communicated with each other through the tee joint 33.

[0034] The proportional valve 34 is provided with a negative pressure relief port 36, and the proportional valve 34 is used to control pressure. When the pressure of the negative pressure is high, the negative pressure relief port 36 of the proportional valve 34 is opened to release pressure; when the pressure of the negative pressure is not higher than the set value, the negative pressure relief port 36 of the proportional valve 34 is closed; the pressure of the negative pressure is controlled by controlling the opening and closing of the proportional valve 34.

[0035] The pressure measuring port 35 of the proportional valve 34 and the air inlet of the double-head negative pressure pump 40 are connected in series, and when the pressure of the negative pressure is detected to be too high, the negative pressure relief port 36 of the proportional valve 34 is opened to release pressure.

[0036] The collection container 15 is connected with the negative pressure suction joint 32 on the machine base 11 through a negative pressure duct, and the end of the negative pressure duct away from the collection container 15 is provided with a negative pressure suction plug 31 which is inserted into the negative pressure suction joint 32.

[0037] The guide sheath 14 is connected with the double-head negative pressure pump 40, and the double-head negative pressure pump 40 generates negative pressure suction to suck the gravel and waste liquid at the tip of the guide sheath 14; the collection container 15 is arranged between the guide sheath 14 and the double-head negative pressure pump 40, and the waste liquid is sucked into the collection container 15.

[0038] The machine base 11 is provided with a mounting seat 51, and the bottom end of the mounting seat 51 is provided with four shock-absorbing columns 52, the mounting seat 51 is arranged on the machine base 11 through the shock-absorbing columns 52, the double-head negative pressure pump 40 is arranged in the mounting seat 51, and the double-head negative pressure pump 40 is arranged on the machine base 11 through the mounting seat 51.

[0039] The A pump air outlet 44 and the B pump air outlet 46 are respectively connected with the A silencer 37 and the B silencer 38, and the negative pressure air is directly divided into two independent A silencers 37 and B silencers 38 for silencing, so that the silencing and shock-absorbing effects are improved.

[0040] During the endoscopic lithotripsy surgery, the physiological saline in the flushing container 12 is flushed into the abdominal cavity through the endoscope 13, and the flushing liquid is sucked into the collection container 15 (waste liquid bottle) through the guide sheath 14; during the flushing liquid (waste liquid) suction process, the collection container 15 is connected with the double-head negative pressure pump 40, the double-head negative pressure pump 40 generates negative pressure suction to suck the gravel and waste liquid at the tip of the guide sheath 14, and the surgery is completed.

[0041] The above embodiments only express several preferred embodiments of the utility model, the description is more specific and detailed, it should be understood that the utility model is not limited to the form disclosed in the text, should not be regarded as excluding other embodiments, and can be used in various other combinations, modifications and environments, and can be changed within the scope of the utility model concept described in the text, through the above teaching or related technical or knowledge, and cannot be understood as limiting the scope of the utility model. It should be pointed out that for ordinary skilled persons in the art, without departing from the concept of the utility model, some modifications and improvements can be made, the changes and changes made by the person skilled in the art do not deviate from the spirit and scope of the utility model, which belong to the protection scope of the appended claims of the utility model. Therefore, the protection scope of the utility model patent should be subject to the appended claims.

Claims

1. A silencing structure for an endoscope flushing and suction system, comprising: A machine base (11); characterized in that a double-headed negative pressure pump (40) is provided in the machine base (11), and the double-headed negative pressure pump (40) includes a double-headed negative pressure A pump (41) and a double-headed negative pressure B pump (42); the double-headed negative pressure A pump (41) is provided with an A pump air inlet (43) and an A pump air outlet (44), and the double-headed negative pressure B pump (42) is provided with a B pump air inlet (45) and a B pump air outlet (46); the double-headed negative pressure A pump (41) and the double-headed negative pressure B pump (42) are arranged in series, and the A pump air inlet (43) of the double-headed negative pressure A pump (41) is connected to the B pump air inlet (45) of the double-headed negative pressure B pump (42) through an air duct (30); An A silencer (37) and a B silencer (38) are also provided in the machine base (11). The A pump air outlet (44) of the double-head negative pressure A pump (41) is communicated with the A silencer (37) through the air duct (30), and the B pump air outlet (46) of the double-head negative pressure B pump (42) is communicated with the B silencer (38) through the air duct (30).

2. The silencing structure of the endoscope flushing and suction system according to claim 1 is characterized in that: A negative pressure suction connector (32) is provided on the side wall of the machine base (11), and the negative pressure suction connector (32) is connected to the A pump air inlet (43) of the double-head negative pressure A pump (41) through the air guide pipe (30).

3. The silencing structure of the endoscope flushing and suction system according to claim 1 is characterized in that: The A silencer (37) is provided with an outwardly protruding A silencer air inlet joint (48) on its wall, and air leakage mesh holes (39) are provided at both ends of the A silencer (37). Sound-absorbing sponges (47) are provided in the inner cavity of the A silencer (37) near both ends, and the sound-absorbing sponges (47) are arranged adjacent to the air leakage mesh holes (39). The B silencer (38) has the same structure as the A silencer (37).

4. The silencing structure of the endoscope flushing and suction system according to claim 3 is characterized in that: The A pump air outlet (44) of the double-head negative pressure A pump (41) is connected to the A cylinder air inlet connector (48) of the A silencer cylinder (37) through the air duct (30), and the B pump air outlet (46) of the double-head negative pressure B pump (42) is connected to the B cylinder air inlet connector (49) of the B silencer cylinder (38) through the air duct (30).

5. The silencing structure of the endoscope flushing and suction system according to claim 1 is characterized in that: A three-way joint (33) is provided between the A pump air inlet (43) of the double-head negative pressure A pump (41) and the negative pressure suction joint (32), and the negative pressure suction joint (32) is connected to the A pump air inlet (43) of the double-head negative pressure A pump (41) through the three-way joint (33); a proportional valve (34) is provided on the outside of the double-head negative pressure A pump (41), and the proportional valve (34) is arranged on the machine base (11). A pressure measuring port (35) and a negative pressure relief port (36) are provided on the proportional valve (34); the A pump air inlet (43) of the double-head negative pressure A pump (41) is connected to the pressure measuring port (35) of the proportional valve (34) through the three-way joint (33).

6. The silencing structure of the endoscope flushing and suction system according to claim 5, characterized in that: One end of the three-way joint (33) is connected to the negative pressure suction joint (32) through the air guide tube (30), the other end of the three-way joint (33) is connected to the A pump air inlet (43) of the double-head negative pressure A pump (41) through the air guide tube (30), and the remaining end of the three-way joint (33) is connected to the pressure measuring port (35) of the proportional valve (34) through the air guide tube (30); the negative pressure suction joint (32), the A pump air inlet (43) of the double-head negative pressure A pump (41) and the pressure measuring port (35) of the proportional valve (34) are interconnected through the three-way joint (33).

7. The silencing structure of an endoscope flushing and suction system according to claim 1, characterized in that: The machine base (11) is provided with a mounting seat (51), and shock-absorbing columns (52) are provided at the four corners of the bottom end of the mounting seat (51). The mounting seat (51) is arranged on the machine base (11) through the shock-absorbing columns (52); The double-head negative pressure pump (40) is arranged in the mounting seat (51), and the double-head negative pressure pump (40) is arranged on the machine base (11) through the mounting seat (51).

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