CN112007230A

CN112007230A - Automatic switching type needle-free cylinder high-pressure radiography injection device

Info

Publication number: CN112007230A
Application number: CN202010823709.7A
Authority: CN
Inventors: 周涛
Original assignee: Wuxi Anzhi Medical Technology Co ltd
Current assignee: Wuxi Anzhi Medical Technology Co ltd
Priority date: 2020-08-17
Filing date: 2020-08-17
Publication date: 2020-12-01
Anticipated expiration: 2040-08-17
Also published as: CN112007230B

Abstract

The invention discloses an automatic switching type high-pressure radiography injection device without a needle cylinder, which belongs to the field of radiography injection devices and comprises an injection device main body, wherein a power cord is installed on the injection device main body, a roller pump is fixedly connected on the injection device main body, a four-way conduit wiring groove is dug on the injection device main body, a plurality of inserting grooves are dug at the top end of the injection device main body, a medicine bottle bracket is clamped on the inserting grooves, the medicine bottle bracket comprises a bottom bracket, a movable ring is rotatably connected at the upper end of the bottom bracket, two pairs of fixed clamps are fixedly connected on the movable ring, an inflatable air bag is fixedly connected on the inner wall of the fixed clamps, the effective clamping protection of the medicine bottle through the inflatable air bag can be realized, and when the medicine bottle is inserted irregularly and the bracket is damaged, a repairing ball on the bracket air bag can block and seal the damaged part of the medicine bottle, the liquid in the medicine bottle is not exposed, so that the medicine bottle can still be normally used after being damaged.

Description

Automatic switching type needle-free cylinder high-pressure radiography injection device

Technical Field

The invention relates to the field of radiography injection devices, in particular to an automatic switching type needle-free cylinder high-pressure radiography injection device.

Background

The existing high-pressure contrast injection system is a single-cylinder and double-cylinder high-pressure injection system, and is a push rod type injector. At present, a single-cylinder and double-cylinder high-pressure radiography system is mainly used in a high-pressure radiography injection device, and a main piston push rod is pushed forwards and backwards to realize the functions of medicine suction and medicine injection. Meanwhile, when the original product is used, a needle cylinder needs to be installed, a medicine suction needle is installed on the needle cylinder, then a medicine bottle is inserted, then a button is pressed to draw medicine, in the process, a user presses the equipment button by hand, and then one hand holds the medicine bottle. Need the injection head up when drawing out the medicine simultaneously, then need manually take off the ware of drawing out the medicine after drawing out the medicine, then change injection connection pipe, later exhaust to cylinder and pipeline to do not have the bubble in ensureing cylinder and the pipeline, need hand control injection head and click button in exhaust process, the cylinder and pipeline must incessantly be observed to eyes simultaneously, and is more loaded down with trivial details. Finally, after the air exhaust is finished, the injection head is required to face downwards, and then the program setting is carried out.

And present high-pressure radiography device is not good to the medicine bottle protection of installing on it, and the medicine bottle is when carrying out the nonstandard pulling and inserting, and the medicine bottle can receive the injury, leads to the medicine bottle to break easily, makes the contrast medium reveal, causes economic loss, and the installation of medicine bottle of the difficult not equidimension of adaptation of present high-pressure radiography device liquid, and the device during operation medicine bottle rocks easily, falls from the device even.

Disclosure of Invention

1. Technical problem to be solved

The invention aims to provide an automatic switching type needleless barrel high-pressure radiography injection device, which can realize effective clamping protection on a medicine bottle through an inflatable air bag, and when the medicine bottle is inserted in an irregular way and a bracket is damaged, a repair ball on the bracket air bag can block and seal the damaged part of the medicine bottle, so that liquid in the medicine bottle is not exposed, and the medicine bottle can still be normally used after being damaged.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

An automatic switching type needle-free high-pressure radiography injection device comprises an injection device main body, wherein a power line is installed on the injection device main body, a roller pump and a plurality of air sensors are fixedly connected to the injection device main body, a four-way conduit wiring groove is formed in the injection device main body, a plurality of insertion grooves are formed in the top end of the injection device main body, a medicine bottle bracket is clamped on the insertion grooves and comprises a bottom bracket, the upper end of the bottom bracket is rotatably connected with a movable ring, two pairs of fixing clamps are fixedly connected to the movable ring, an inflation air bag is fixedly connected to the inner wall of each fixing clamp, a permanent magnet is connected between the inflation air bag and the fixing clamps, a through hole is formed in the middle of the permanent magnet, a one-way air valve is fixedly connected to the through hole, and one end of the inflation air bag, which is far away from the permanent, the medicine bottle fixing device is characterized in that a plurality of uniformly distributed repairing balls are fixedly connected to the elastic net, each repairing ball comprises a hemisphere fixedly connected with the elastic net, a PVC film is fixedly connected to the hemisphere, a magnet block is fixedly connected to the inner wall of the PVC film, one end of the hemisphere, far away from the PVC film, is connected with a pair of magnetic shielding layers in a sewing mode, a plurality of elastic lines are connected between the pair of magnetic shielding layers, an expansion block matched with the magnetic shielding layers is fixedly connected to the hemisphere and located between the hemisphere and the elastic lines, a bar-shaped clamping groove is formed in the bottom end of the bottom bracket, an injection tube is clamped in the bar-shaped clamping groove, a guide tube is connected between the injection tube and a four-way guide tube wiring groove, a positioning groove matched with the injection tube is formed in the bottom end of the insertion groove, effective clamping protection of a medicine bottle through an inflatable airbag can be achieved, and when a medicine bottle, the repair ball on the bracket air bag can block and seal the damaged part of the medicine bottle, so that the liquid in the medicine bottle is not exposed, and the medicine bottle can still be normally used after being damaged.

Furthermore, the elastic net is woven by liquid guide fiber yarns, a plurality of capillary fiber yarns connected with the expansion blocks are fixedly connected to the outer wall of the hemisphere, so that leaked liquid of the medicine bottle can be guided to the expansion blocks through the elastic net to enable the expansion blocks to expand washing liquid quickly, and the pair of magnetic shielding layers is jacked open.

Furthermore, magnetorheological fluid is filled between the hemispheroid and the PVC film, and the viscosity and the hardness of the magnetorheological fluid are improved after the magnetorheological fluid is acted by a magnetic field, so that the repairing ball clamped in the defect position of the medicine bottle is hardened, and the sealing performance of the defect position of the medicine bottle is improved.

Furthermore, the magnetic shielding layer is made of a magnetic shielding material, and the magnetic field between the magnet block and the permanent magnet is separated through the magnetic shielding layer, so that the elastic net cannot float due to the interaction of the magnet block and the permanent magnet when the inflatable airbag is not inflated.

Furthermore, the top end of the fixing clamp and the top end of the bottom bracket are fixedly connected with the rubber sealing layer, so that the medicine bottle bracket can firmly clamp the medicine bottle.

Further, the number of the medicine bottle brackets arranged at the top end of the injection device main body is three, two of the medicine bottle brackets are used for installing the contrast agent medicine bottles, and the medicine bottle bracket in the middle of displacement is used for installing the saline medicine bottle.

Further, fixedly connected with handle and waste liquid glass stand on the outer wall of injection device main part, the injection device main part is gone up to be connected with pipe assorted leading wheel, makes things convenient for the concentrated recovery of waste liquid and accomodating of pipe.

Further, fixedly connected with operation screen in the injection device main part, install the controller in the injection device main part, operation screen and roller pump all with controller electric connection.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

(1) this scheme can realize carrying out effectual chucking protection to the medicine bottle through aerifing the gasbag, and the medicine bottle when the nonstandard insert with the bracket damage, the restoration ball on the bracket gasbag can block up the damaged department of medicine bottle sealed, makes liquid not expose in the medicine bottle, makes still can normal use after the medicine bottle damage.

(2) The elastic net is woven by the liquid guide fiber yarns, the outer wall of the hemisphere is fixedly connected with a plurality of capillary fiber yarns connected with the expansion blocks, so that leaked liquid of the medicine bottle can be guided to the expansion blocks through the elastic net to expand the quick washing liquid of the expansion blocks, and the pair of magnetic shielding layers is jacked open.

(3) Magnetorheological fluid is filled between the hemispheroid and the PVC film, the viscosity and the hardness of the magnetorheological fluid are improved after the magnetorheological fluid is acted by a magnetic field, so that the repairing ball clamped in the defect position of the medicine bottle is hardened, and the sealing performance of the defect position of the medicine bottle is improved.

(4) The magnetic shielding layer is made of a magnetic shielding material, and the magnetic field between the magnet block and the permanent magnet is separated through the magnetic shielding layer, so that the elastic net cannot float due to the interaction of the magnet block and the permanent magnet when the inflatable airbag is not inflated.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a front view of the present invention

FIG. 3 is a cross-sectional view of the vial carrier of the present invention;

FIG. 4 is a schematic view of the structure at A in FIG. 3;

FIG. 5 is a schematic view of the structure at B in FIG. 4;

fig. 6 is a schematic structural view of the repairing ball and the medicine bottle when the repairing ball is attached.

The injection device comprises a main body 1, a 2-roller pump, a 3-medicine bottle bracket, a 301 bottom bracket, a 302 movable ring, a 303 fixed clamp, a 304 inflatable air bag, a 305 permanent magnet, a 306 elastic net, a 307 one-way air valve, a4 repair ball, a 401 hemisphere, a 402 PVC film, a 403 magnet block, a 404 magnetic shielding layer, a 405 elastic line, a 406 expansion block, a 5-way four-way conduit wiring groove, a 6 controller, a 7 power line, an 8 air sensor and a 9 operation screen.

Detailed Description

The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1: referring to fig. 1-3, an automatic switching type needle-free high-pressure radiography injection apparatus comprises an injection apparatus body 1, a roller pump 2 is fixedly connected to the injection apparatus body 1, a four-way conduit wiring slot 5 is drilled on the injection apparatus body 1, when an injection tube is installed, a pipeline of an injection system is connected with the roller pump, the pipeline is brought into a plane where a rolling pump pressure wheel is located by a spiral wheel in the rolling pump, and is always located in a plane where a pressure wheel works under the guidance of a U-shaped wheel, and the pressure wheel extrudes a contrast medium to complete high-pressure injection;

referring to fig. 4-5, a plurality of slots are cut at the top end of an injection device body 1, a plurality of medicine bottle brackets 3 are clamped on the slots, three medicine bottle brackets 3 are arranged at the top end of the injection device body, two of the medicine bottle brackets 3 are used for mounting a contrast medicine bottle, the medicine bottle bracket 3 in the middle of displacement is used for mounting a saline medicine bottle, the medicine bottle bracket 3 comprises a bottom bracket 301, a movable ring 302 is rotatably connected at the upper end of the bottom bracket 301, two pairs of fixing clips 303 are fixedly connected on the movable ring 302, rubber sealing layers are fixedly connected at the top ends of the fixing clips 303 and the top end of the bottom bracket 301, so that the medicine bottle can be firmly clamped by the medicine bottle bracket 3, an inflatable air bag 304 is fixedly connected on the inner wall of the fixing clips 303, a permanent magnet 305 is connected between the inflatable air bag 304 and the fixing clips 303, a through hole is cut at the middle part of the permanent magnet 305, a one-way air valve 307 is fixedly connected in the through hole, one end of the inflatable air bag 304, which is far away from the permanent magnet 305, is fixedly connected with an elastic net 306, a plurality of repair balls 4 which are uniformly distributed are fixedly connected to the elastic net 306, the distance between every two adjacent repair balls 4 is 1-2mm, and the elastic net 306 is woven by liquid guide fiber yarns.

Referring to fig. 4-6, the repairing ball 4 includes a hemisphere 401 fixedly connected to the elastic net 306, a PVC film 402 is fixedly connected to the hemisphere 401, the PVC film 402 has strong flexibility and toughness, magnetorheological fluid is filled between the hemisphere 401 and the PVC film 402, viscosity and hardness of the magnetorheological fluid are improved after the magnetorheological fluid is acted by a magnetic field, so that the repairing ball 4 clamped in the defect of the medicine bottle is hardened, and thus the sealing performance of the defect of the medicine bottle is improved, a magnet block 403 is fixedly connected to the inner wall of the PVC film 402, magnetic poles of the magnet block 403 at the end opposite to the permanent magnet 305 are the same, so that the permanent magnet 305 and the magnet block 403 can repel each other, magnetic force generated by the magnet block 403 is small enough to change the magnetorheological liquid phase in the hemisphere 401, a pair of magnetic shielding layers 404 is connected to the end of the hemisphere 401 away from the PVC film 402 by sewing, the magnetic shielding layers 404 are made of a magnetic shielding material, and the magnetic field between the magnet block 403 and, when the inflatable air bag 304 is not inflated, the elastic net 306 is not floated due to the interaction between the magnet blocks 403 and the permanent magnets 305, a plurality of elastic lines are connected between the pair of magnetic shielding layers 404, the pair of magnetic shielding layers 404 cover the surface of the hemisphere 401 in a normal state, the connection part of the pair of magnetic shielding layers 404 is tightened by the elastic thread, the hemispheroid 401 is fixedly connected with an expansion block 405 matched with the magnetic shielding layers 404, the expansion block 405 can absorb water to expand, and the expansion block 405 is positioned between the hemisphere 401 and the elastic line, a plurality of capillary fiber filaments connected with the expansion block 405 are fixedly connected on the outer wall of the hemisphere 401, so that the liquid leaked outside the medicine bottle can be guided to the expansion block 405 through the elastic net 306 to ensure that the expansion block 405 quickly expands the lotion, thereby, the pair of magnetic shield layers 404 are pushed open, so that the elastic lines between the pair of magnetic shield layers 404 are opened and a space is formed between the pair of magnetic shield layers 404.

When a user inserts a medicine bottle into the medicine bottle bracket 3, a technician connects the one-way air valve 307 with an inflating device to inflate the inflatable air bag 304, so that the medicine bottle is firmly held, when the medicine bottle is damaged due to irregular operation of the user, liquid in the medicine bottle leaks outwards, the technician observes the approximate damaged position of the medicine bottle, then rotates a fixing clamp 303 to the position, so that the repairing ball 4 and the elastic net 306 absorb water and guide the leaked liquid medicine to the expansion block 405, so that the expansion block 405 absorbs water and expands, and the pair of magnetic shielding layers 404 are pushed open, so that magnetic field force generated by the permanent magnet 305 passes through a gap between the pair of magnetic shielding layers 404 to apply acting force to the magnet block 403, so that the magnet block 403 and the permanent magnet 305 repel each other, and the PVC film 402 is driven by the magnet block 403 to be tightly attached to the medicine bottle, so that the repairing ball 4 located at the defect of the medicine bottle is clamped into the defect of the medicine bottle, and the magnetorheological suspensions of storing in the hemispheroid 401, magnetorheological suspensions receive viscosity and hardness promotion after the magnetic field effect, thereby make the restoration ball 4 of card income medicine bottle defect department will harden, the restoration ball 4 laminating back sclerosis of medicine bottle defect department, when preventing that medicine bottle bracket 3 or medicine bottle from rocking, the restoration ball 4 dislocation of card income medicine bottle defect department, further improve the leakproofness of restoration ball 4 and medicine bottle defect department, can realize carrying out effectual chucking protection to the medicine bottle through inflating gasbag 304, and the medicine bottle is when the nonstandard inserting and bracket damage, restoration ball 4 on the bracket gasbag can block up the medicine bottle damage and seal, make liquid in the medicine bottle not expose, still can normally use after the medicine bottle damage.

Referring to fig. 1-3, a bar-shaped slot is chiseled at the bottom end of the bottom bracket 301, an injection tube is clamped in the bar-shaped slot, a guide tube is connected between the injection tube and the four-way guide tube wiring groove 5, a positioning groove matched with the injection tube is chiseled at the bottom end of the slot, an operation screen 9 is fixedly connected to the injection device main body 1, the operation screen 9 and the roller pump 2 mounted on the injection device main body 1 are both electrically connected with the controller 6, a handle and a waste liquid cup holder are fixedly connected to the outer wall of the injection device main body 1, and a guide wheel matched with the guide tube is connected to the injection device main body 1 in a rotating manner, so that the waste.

The using steps of the device are as follows:

a1 presetting injection dosage, presetting injection speed and presetting pressure limit;

a2, loading and unloading the syringe, pumping and exhausting liquid, embedding the bottom elliptical edge of the syringe with a guide tube into the strip-shaped groove on the medicine bottle bracket 3 of the device, and rotating the syringe to make the scale on the syringe align with the front surface to complete the installation of the syringe; after the work is finished, the injection tube is rotated to enable the scales on the injection tube to be aligned with the side surface, and the injection tube is taken down; after the syringe is clamped into the vial holder 3, the conduit on the syringe is clamped into the air sensor 8 on the injection device body 1;

a3, the injection head of the injection tube is vertically upward, the roller pump connected with the guide tube works, the pipeline is brought into the plane of the pressure wheel of the rolling pump by the spiral wheel in the rolling pump, and is always positioned on the plane of the pressure wheel working under the guidance of the U-shaped wheel in the rolling pump, the pressure wheel extrudes the pipeline to form negative pressure, the contrast agent in the medicine bottle outwards completes high-pressure injection, and thus the liquid pumping and air exhaust of the medicine bottle are realized. When the liquid is pumped and exhausted, the position of the injection head must be vertically upward to ensure normal exhaust, when the injection is enhanced, the position of the injection head must be horizontally downward by at least 10 degrees, and when the device is injected, the horizontal downward 10 degrees is used for avoiding that 'gas which is not completely discharged (such as gas adsorbed on the inner wall of the injection tube caused by temperature difference) in the injection tube enters a human body'; after a user inserts a medicine bottle filled with liquid medicine into the medicine bottle bracket 3, a contact pin on the injection tube is inserted into the medicine bottle, the user clicks an exhaust button on the operation screen 9, the roller pump works to exhaust air and exhaust the injection tube, and when the situation that a pipeline is not in problem is confirmed, the button is clicked, and a large screen receives a ready signal;

A4. the technician presses the "start" key on the operating panel 9 to enter the injection state, and the injection device automatically enters the injection procedure until the injection procedure is finished, and when the contrast medium in one medicine bottle is used up during the injection, the contrast medium on the other medicine bottle bracket 3 is automatically switched to. When the contrast agent is used up, the air sensor on the pipeline detects 8 air, the system detects the signal of the contrast agent pipeline sensor on the left side, if the left side is air, the system automatically stops injecting and gives out a warning if the left side and the right side both use up the contrast agent; if the contrast agent is on the left side, the electromagnetic valve below the contrast agent pipeline on the right side is powered off, the supply of the pipeline is cut off, the electromagnet below the contrast agent pipeline on the left side is powered on, the supply of the contrast agent in the pipeline is opened, automatic switching is completed, air is prevented from entering, and the system efficiency is improved;

contrast agent injection is switched. When the injection of the specified contrast agent is finished, the electromagnetic valve below the contrast agent pipeline is powered off when the next injection program is saline, the electromagnetic valve is ejected, and the contrast agent pipeline is cut off. Meanwhile, the electromagnetic valve connected with the saline bottle pipeline is electrified, the electromagnetic valve is contracted, and the saline pipeline is opened. After the injection procedure is finished, the device automatically shifts to the initial state originally set by the restart procedure.

According to the invention, after the left-side contrast agent is injected, the right-side contrast agent can be automatically switched, and the original single-double-cylinder high-pressure contrast injection system can be operated in the early stages of replacing the cylinder and exhausting and the like. When the contrast agents on the left side and the right side are used up, only the original packaging bottle needs to be pulled out, and a new contrast agent is inserted again,

the foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.

Claims

1. The utility model provides an automatic switching formula does not have needle section of thick bamboo high pressure radiography injection apparatus, includes injection apparatus main part (1), install power cord (7) on injection apparatus main part (1), fixedly connected with roller pump (2) and a plurality of air sensor (8) on injection apparatus main part (1), it has cross pipe wiring groove (5), its characterized in that to cut on injection apparatus main part (1): the top end of the injection device main body (1) is provided with a plurality of slots, the slots are clamped with a medicine bottle bracket (3), the medicine bottle bracket (3) comprises a bottom bracket (301), the upper end of the bottom bracket (301) is rotatably connected with a movable ring (302), the movable ring (302) is fixedly connected with two pairs of fixing clamps (303), the inner wall of each fixing clamp (303) is fixedly connected with an inflatable air bag (304), a permanent magnet (305) is connected between the inflatable air bag (304) and the fixing clamps (303), the middle part of the permanent magnet (305) is provided with a through hole, a one-way air valve (307) is fixedly connected in the through hole, one end of the inflatable air bag (304) far away from the permanent magnet (305) is fixedly connected with an elastic net (306), the elastic net (306) is fixedly connected with a plurality of repairing balls (4) which are uniformly distributed, each repairing ball (4) comprises a hemisphere (401) fixedly connected with the elastic net (306), fixedly connected with PVC membrane (402) on hemisphere (401), fixedly connected with magnet piece (403) on the inner wall of PVC membrane (402), the one end of PVC membrane (402) is kept away from in hemisphere (401) is sewed up and is connected with a pair of magnetic screen layer (404), it is a pair of be connected with a plurality of elastic lines between magnetic screen layer (404), fixedly connected with and magnetic screen layer (404) assorted inflation piece (405) are gone up in hemisphere (401), and inflation piece (405) are located between hemisphere (401) and the elastic line, the bottom of bottom bracket (301) is opened the chisel and is had the bar draw-in groove, the joint has the injection tube in the bar draw-in groove, be connected with the pipe between injection tube and cross pipe wiring groove (5), the bottom of slot is opened the chisel and is had the constant head tank with injection tube assorted.

2. The automatic switching needle-free high pressure contrast injection device according to claim 1, wherein: the elastic net (306) is made of liquid guide fiber yarns in a weaving mode, and a plurality of capillary fiber yarns connected with the expansion block (405) are fixedly connected to the outer wall of the hemisphere (401).

3. The automatic switching type needleless barrel high-pressure contrast injection device according to claim 1, is characterized in that magnetorheological fluid is filled between the hemisphere (401) and the PVC film (402).

4. The automatic switching needle-free high pressure contrast injection device according to claim 1, wherein: the magnetic shielding layer (404) is made of a magnetic shielding material.

5. The automatic switching needle-free high pressure contrast injection device according to claim 1, wherein: the top end of the fixing clamp (303) and the top end of the bottom bracket (301) are fixedly connected with rubber sealing layers.

6. The automatic switching needle-free high pressure contrast injection device according to claim 1, wherein: the injection device is characterized in that the number of the medicine bottle brackets (3) at the top end of the injection device body (1) is three, wherein two medicine bottle brackets (3) are used for installing contrast agent medicine bottles, and the medicine bottle brackets (3) in the middle of displacement are used for installing saline medicine bottles.

7. The automatic switching needle-free high pressure contrast injection device according to claim 1, wherein: the injection device is characterized in that a handle and a waste liquid cup holder are fixedly connected to the outer wall of the injection device main body (1), and the injection device main body (1) is connected with a guide wheel matched with the guide pipe in a rotating mode.

8. The automatic switching needle-free high pressure contrast injection device according to claim 1, wherein: fixedly connected with operation screen (9) is gone up in injection device main part (1), install controller (6) in injection device main part (1), operation screen (9) and roller pump (2) all with controller (6) electric connection.