CN207477531U

CN207477531U - Convection current negative pressure channel rubble suction filter device

Info

Publication number: CN207477531U
Application number: CN201720271449.0U
Authority: CN
Inventors: 庞广富
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-03-20
Filing date: 2017-03-20
Publication date: 2018-06-12
Anticipated expiration: 2027-03-20

Abstract

The utility model discloses a kind of convection current negative pressure channel rubble suction filter device, it is related to medical instruments field, including rubble collecting filter and negative pressure collection system, rubble collecting filter includes is threadedly coupled the cavity formed by upper cavity and lower chamber, upper cavity is equipped with the interface of connection rubble mixed liquor delivery outlet, and the Filter column that lower chamber is stretched out in one end is provided in cavity；The through-hole that multiple apertures become smaller successively is provided on the cylinder of Filter column；Negative pressure collection system includes the main negative pressure bottle connected with negative pressure source, the jar,precipitating and negative pressure buffering bottle connected with main negative pressure bottle；Jar,precipitating top is equipped with mixed liquor access tube, flow rate fine-tuning valve, and lower part is communicated with reservoir bottle；Negative pressure buffering bottle connects respectively with jar,precipitating, reservoir bottle.The utility model can solve the problem of that corporeal thing in the mixed liquor flowed out in stone operation easily adheres to each other to heap at strainer and cause stalk is stifled negative pressure suction force to be caused in operation pipeline to weaken even disappear and keep definite effective visual continuous negative pressure suction.

Description

Convection current negative pressure channel rubble suction filter device

Technical field

The utility model is related to the field of medical instrument technology, especially a kind of to be used for pelvicstone and ureteralstone hysteroscope hand The operating equipment of art treatment.

Background technology

Urinary tract is the toxin expelling system of human body, and there are numerous toxin and sediment in urine, urine is by kidney mistake Filter enters urinary tract, and in this metabolic processes, kidney and urinary tract often form sediment, and the time causes kidney and urine for a long time Road calculus.In the removal kidney stone operation of urological department, rubble, rubble are carried out using a kind of uropoiesis endoscope-assistant surgery device such as Fig. 1 The method that vacuum suction must be rinsed with convection current afterwards removes rubble, and the pressure in operation in renal plevis must not be higher than 40 centimeter water column pressures Power just can guarantee the life security of rubble patient, and entire surgical procedure absorbs process for rubble --- convection current flushing --- negative pressure Constantly repeat.This operation method can the safe most important whether have and continue definite effective vacuum suction.In operation In renal plevis the mixed liquors such as rubble powder, blood clot, purulence tongue from the drawing liquid channel outlet of uropoiesis endoscope-assistant surgery device by connecting tube into The drainage bottle for being connected with negative pressure ventilation mouth is entered back into after entering the separation of rubble collecting filter.

Existing rubble collecting filter cavity is that the upper cavity by being equipped with inlet and the lower chamber screw thread equipped with liquid outlet connect Composition is connect, is equipped with the strainer for filtering rubble in the cavity.It is had the disadvantage that using this rubble filter collector：From secreting Corporeal thing in the mixed liquor of the drawing liquid channel outflow of urine endoscope-assistant surgery device is easy to adhere to each other heap at strainer, easily makes Stifled into stalk, the longer operating time the more apparent, and can not immediate observation judge, cause negative pressure unstable, influence the negative of continuous and effective Pressure attracts the progress so as to influence operation, increases operation risk.

Utility model content

The technical problem to be solved by the utility model is to provide a kind of convection current negative pressure channel rubble suction filter device, it can be with After calculus smashes in solution stone operation, corporeal thing easily exists in the mixed liquor flowed out from the drawing liquid channel of uropoiesis endoscope-assistant surgery device Strainer at adhere to each other heap, cause stalk is stifled to lead to that negative pressure is unstable, disappears to influence the progress of operation and operation wind The problem of danger increases.

To solve the above-mentioned problems, the technical solution of the utility model is：This convection current negative pressure channel rubble suction filter device Rubble collecting filter and negative pressure collection system including connecting ureterorenoscope medium stone mixed liquor delivery outlet, the rubble collecting filter Include and the cavity formed be threadedly coupled by upper cavity and lower chamber,

The upper cavity is provided with the rubble mixed liquor input for connecting ureterorenoscope medium stone mixed liquor delivery outlet Pipeline, Filter column is provided in the cavity, and one end that the Filter column has delivery outlet is stretched out outside the lower chamber；The mistake Filter column is provided with the input through-hole that multiple apertures from top to bottom become smaller successively on the column body segment in the cavity.

In above-mentioned technical proposal, more specifically scheme can also be：The negative pressure collection system, which includes, passes through negative pressure The main negative pressure bottle connected with negative pressure source is taken in source, and the main negative pressure bottle connects respectively with jar,precipitating and negative pressure buffering bottle；It is described heavy Shallow lake bottle top is provided with mixed liquor access tube and jar,precipitating flow for being connected with one end that the Filter column has delivery outlet Reset valve, the jar,precipitating lower part are provided with the liquid outlet connected with reservoir bottle, 5 centimetres away from jar,precipitating bottom of liquid outlet；It is described negative Pressure surge flask connects respectively with the jar,precipitating, the reservoir bottle；Negative pressure buffering simultaneously is below precipitating with storage and plane of inlet And bottom plane；There are certain differences in height for jar,precipitating lower part liquid outlet and the entrance of the reservoir bottle.

Further：Straight-through regulating switch is provided on the pipeline that the main negative pressure bottle is connected with the jar,precipitating；It is described negative Pressure surge flask adjusts folder with being both provided on the jar,precipitating and the pipeline connected with the reservoir bottle；It is set on the jar,precipitating It is equipped with the vacuum table of Real time dynamic display.

Further：The rubble collecting filter is made of transparent plastics material；The Filter column is T-shaped structure, described The internal diameter of the internal diameter of the pipeline of the rubble mixed liquor input channel on Filter column and the delivery outlet of the Filter column is 4.5-5 Millimeter；The sum of all described input through-hole aperture areas are not less than the rubble mixing on the upper cavity on the Filter column 3 times of the cross-sectional area of liquid input channel.

Due to the adoption of the above technical scheme, the utility model has the advantages that：

1st, Filter column T-shaped in the utility model rubble collecting filter first collects larger rubble, prevents from blocking glue Pipe, ensures the continual and steady so as to which operation be enable to be smoothed out of negative pressure；It is heavy that tiny rubble or powder and clot, purulence tongue etc. are inhaled into It is precipitated in the bottle of shallow lake；Operating time is longer, and rubble and clot, purulence tongue etc. detach more thorough, and vacuum suction is still continual and steady.

2nd, the utility model is in entire rubble surgical procedure, when some reservoir hydroful needs to topple over, closes corresponding The adjusting folder of bottle, does not interfere with the pressure in negative pressure bottle；Operation is interference-free, can be carried out continuously, and ensures the process of operation.

3rd, the utility model is simple in structure, reliable operation, safety.

Description of the drawings

Fig. 1 is the schematic diagram that the utility model is connect with uropoiesis endoscope-assistant surgery device and negative pressure source；

Fig. 2 is the structure diagram of the utility model medium stone collecting filter；

Fig. 3 is the structure diagram of negative pressure collection system embodiment one in the utility model；

Fig. 4 is the structure diagram of negative pressure collection system embodiment two in the utility model.

Figure label is expressed as：1st, uropoiesis endoscope-assistant surgery device, 2, rubble collecting filter, 2-1, upper cavity, 2-2, lower chamber, 2- 3rd, Filter column, 3, negative pressure collection system, 3-1, main negative pressure bottle, 3-2, jar,precipitating, 3-3, negative pressure buffering bottle, 3-4, the second storage 3-6, bottle, 3-5, the first reservoir bottle adjust folder, 3-7, vacuum table, 3-8, mixed liquor access tube, 3-9, straight-through regulating switch, 3- 10th, negative pressure source is taken over, 3-11, jar,precipitating negative pressure flow reset valve.

Specific embodiment

The utility model is further illustrated with reference to the accompanying drawings and examples：

The convection current negative pressure channel rubble suction filter device of Fig. 1, Fig. 2, Fig. 3 and Fig. 4 include the use of and remove kidney stone in urological department The rubble collecting filter 2 and negative pressure collection system 3 of 1 medium stone mixed liquor delivery outlet of ureterorenoscope, the filter of rubble collection are connected in operation Device 2 includes is threadedly coupled the cavity formed by upper cavity 2-1 and lower chamber 2-3, and upper cavity 2-1 is provided with described for connecting The rubble mixed liquor input channel of rubble mixed liquor delivery outlet, passes through rubble mixed liquor input channel and ureterorenoscope in operation 1 medium stone mixed liquor delivery outlet is connected；Filter column 2-2 is provided in the cavity of rubble collecting filter 2, Filter column 2-2 has defeated One end of outlet is stretched out outside lower chamber 2-3；Be provided on the column body segments of Filter column 2-2 in the cavity multiple apertures from top to bottom according to The secondary input through-hole to become smaller.Rubble collecting filter 2 is made of transparent plastics material, and upper cavity 2-1 and lower chamber 2-3 are connected using screw thread It connects, spiral opening and closing is firm, facilitates observation and postoperative collection rubble in art, if just in case the input through-hole on cylinder is blocked or finds to bear It presses attraction insufficient, can be visually inspected by transparent shell, unscrew upper cavity 2-1 when necessary and lower chamber cleaning blocks Object;Filter column 2-2 is T-shaped structure, the internal diameter of the pipeline of rubble mixed liquor input channel and Filter column 2- on Filter column 2-2 The internal diameter of 2 delivery outlet is 4.5-5 millimeters；The sum of all input through-hole aperture areas are not less than upper cavity on Filter column 2-2 3 times of the cross-sectional area of rubble mixed liquor input channel on 2-1.When rubble mixed liquor is from the input channel of upper cavity 2-1 When pouring the inner cavity of rubble collecting filter 2, larger input through-hole will not be by rubble powder, blood clotting on T-shaped Filter column 2-2 The blockings such as block, purulence tongue, but the lower part of rubble collecting filter 2 is slided to from the smooth both sides of the spreader of T-shaped Filter column, lower part Washing away repeatedly for the rubble mixed liquor that deposit is poured in entrance is lower as rice washing, and great gravel particle is sink to lower chamber Rolling is inhaled by the input through-hole of different pore size on column upwards for the bottom of 2-3, lighter rubble powder, blood clot, purulence tongue etc. Enter negative pressure collection system 3, i.e., bulk rubble cannot be by inputting through-hole in the blocking of gravity and cylinder in rubble mixed liquor Deposit to the bottom of lower chamber 2-3 under and, the rubble of liquid and smaller powdery, blood clot, purulence tongue etc. be then in rubble mixed liquor Negative pressure collection system 3 is flow to by the input through-hole on cylinder, so as to which the rubble for making bulk obtains detaching without regard to blocking Pipeline.

Negative pressure collection system 3 includes the main negative pressure bottle 3-1 connected by negative pressure source take over 3-10 with negative pressure source, main negative pressure Bottle 3-1 is connected respectively with jar,precipitating 3-2 and negative pressure buffering bottle 3-3；Jar,precipitating 3-2 tops are provided with for Filter column 2-2's The mixed liquor access tube 3-8 of delivery outlet connection and jar,precipitating negative pressure flow reset valve 3-11, jar,precipitating 3-2 lower parts are provided with and store The liquid outlet of bottle connection is deposited, the liquid outlet is higher than 5 centimetres of jar,precipitating 3-2 bottoms, and passes through connecting tube and connected with reservoir bottle；Storage Deposit bottle can set as needed it is multiple, as in Fig. 3 only setting there are one reservoir bottle, i.e. the second reservoir bottle 3-4;And it is stored in Fig. 4 There are two bottle settings, i.e. the first reservoir bottle 3-5 and the second reservoir bottle 3-4；Negative pressure buffering bottle 3-3 respectively with the jar,precipitating 3-2, First reservoir bottle 3-5 and the second reservoir bottle 3-4 connections.The plane of inlet of reservoir bottle and negative pressure buffering bottle is below the bottom of jar,precipitating Facial planes；The pressure that the height of this section of fluid column generates between jar,precipitating 3-2 lower part liquid outlets and the access port of reservoir bottle is heavy Pressure differential between shallow lake bottle and reservoir bottle.

Straight-through regulating switch 3-9 is provided on the pipeline that main negative pressure bottle 3-1 is connected with jar,precipitating 3-2；Negative pressure buffering bottle 3-3 Adjusting folder 3-6 is both provided on the pipeline connected with jar,precipitating 3-2, the first reservoir bottle 3-5, the second reservoir bottle 3-4；Jar,precipitating 3- It is provided with vacuum table 3-7 on 2, the negative pressure numerical value that vacuum table 3-7 can be in Real time dynamic display jar,precipitating 3-2.

Negative pressure in operation in jar,precipitating 3-2 is set as -5 kPas, by the straight-through regulating switch 3-9 of adjusting and jar,precipitating with Adjusting folder 3-6 adjustment between negative pressure buffering bottle 3-3.The mixed liquor access tube being sucked out in adjustment operation is in semi-open state（I.e. State during simulation operation）, the negative pressure in negative pressure buffering bottle is made to have more jar,precipitating water outlet and reservoir bottle than the negative pressure in jar,precipitating The height of entrance（About 20cmH₂O, i.e. 2kPa）Pressure（It is total up to -7kPa)；The pressure of negative pressure buffering bottle is namely stored The pressure of bottle（Here it is the reasons that negative pressure buffering bottle plays cushioning effect）；The size of suction is required further according to operation, adjustment is heavy Shallow lake bottle negative pressure flow reset valve 3-11 makes the suction of jar,precipitating and negative pressure meet operation requirement.

The pressure of negative pressure source uses lower negative pressure（Less than 17kPa,）Big flow（40 liters/min）, pass through negative pressure source take over 3-10 Special aspirator can be connect and meet the negative pressure source of operation pressures requirement.Using the purpose of two or more reservoir bottles deposited to increase Capacity is store, reduces the number of pouring liquid in art;Surge flask is used to prevent liquid from flowing backwards buffering.Setting adjustment in this way, makes precipitation Bottle negative pressure can maintain -5-0kPa, and negative pressure source pressure is constant to maintain -7kPa, you can not make supernatant fluid in precipitation in a steady stream not Reservoir bottle is flowed to disconnectedly and whenever will not all be flow backwards upwards.

Claims

1. a kind of convection current negative pressure channel rubble suction filter device, including interconnected rubble collecting filter (2) and negative pressure collection system (3), it is characterised in that：The rubble collecting filter (2) includes the chamber formed by upper cavity (2-1) and lower chamber (2-3) connection Body, the upper cavity (2-1) are provided with rubble mixed liquor input channel, Filter column (2-2), the mistake are provided in the cavity The lower chamber (2-3) is stretched out outside in one end that filter column (2-2) has delivery outlet；The Filter column (2-2) is in the cavity The input through-hole that multiple apertures from top to bottom become smaller successively is provided on column body segment.

2. convection current negative pressure channel rubble suction filter device according to claim 1, it is characterised in that：The negative pressure collection system (3) include the main negative pressure bottle (3-1) taken over (3-10) by negative pressure source and connected with negative pressure source, the main negative pressure bottle (3-1) point It is not connected with jar,precipitating (3-2) and negative pressure buffering bottle (3-3)；Jar,precipitating (3-2) top be provided with for the filtering Column (2-2) has the mixed liquor access tube (3-8) and jar,precipitating flow rate fine-tuning valve (3-11) of one end connection of delivery outlet, described heavy Shallow lake bottle (3-2) lower part is provided with the liquid outlet connected with reservoir bottle, and the liquid outlet is higher than jar,precipitating（3-2）5 centimetres of bottom；Institute Negative pressure buffering bottle (3-3) is stated to connect with the jar,precipitating (3-2), the reservoir bottle respectively；The reservoir bottle and negative pressure buffering bottle （3-3）Plane of inlet be below jar,precipitating（3-2）Bottom plane.

3. convection current negative pressure channel rubble suction filter device according to claim 2, it is characterised in that：Main negative pressure bottle (the 3- 1) it is provided with straight-through regulating switch (3-9) on the pipeline connected with the jar,precipitating (3-2)；The negative pressure buffering bottle (3-3) with Adjusting folder is both provided on the jar,precipitating (3-2) and the pipeline connected with the reservoir bottle；It is set on the jar,precipitating (3-2) It is equipped with vacuum table (3-7).

4. convection current negative pressure channel rubble suction filter device according to claim 1 or 2, it is characterised in that：The rubble collection filter Device (2) is made of transparent plastics material；The Filter column (2-2) is T-shaped structure, described on the Filter column (2-2) The internal diameter of the internal diameter of the pipeline of rubble mixed liquor input channel and the delivery outlet of the Filter column (2-2) is 4.5-5 millimeters；It is described The sum of all described input through-hole aperture areas are mixed not less than the rubble on the upper cavity (2-1) on Filter column (2-2) Close the cross-sectional area of liquid input channel 3 times.