CN110694132B

CN110694132B - Medical lavage system

Info

Publication number: CN110694132B
Application number: CN201910887172.8A
Authority: CN
Inventors: 吴红丽
Original assignee: Individual
Current assignee: Sino Medical Device Technology Co ltd
Priority date: 2019-09-19
Filing date: 2019-09-19
Publication date: 2022-02-22
Anticipated expiration: 2039-09-19
Also published as: CN110694132A

Abstract

The invention discloses a medical lavage system, which comprises a main control device, at least one perfusion device for perfusing irrigation liquid, and at least one suction device for pumping out the irrigation liquid; the perfusion device comprises a perfusion pipeline and a perfusion pump for driving the flushing liquid to flow in the perfusion pipeline; the suction device comprises a suction pipeline and a suction pump for driving the flushing liquid to flow in the suction pipeline; the main control device is connected with the perfusion pump and the suction pump and respectively controls the start and stop of the perfusion pump and the suction pump. The medical lavage system is used for minimally invasive lavage treatment of abscess in soft tissue, replaces the existing conventional syringe injection cleaning treatment method, realizes full-automatic operation of perfusion and suction in the treatment process, and can provide a plurality of lavage treatment control methods according to different and actual conditions of diseases; releases doctors, reduces the operation difficulty, improves the operation safety and is convenient for operation popularization.

Description

Medical lavage system

Technical Field

The invention relates to the technical field of medical treatment, in particular to a medical lavage system.

Background

In the medical industry, the common treatment method for soft tissue abscess is surgical incision and drainage, and suturing treatment is carried out after cleaning, and the method has the defects of slow recovery, large scars after healing, influence on beauty and the like. With the continuous development of minimally invasive surgery, particularly surgery on key parts of the body, such as abscess caused by mastitis, doctors adopt a catheter perfusion, cleaning and drainage method to perform minimally invasive surgery treatment. However, the existing catheter perfusion cleaning drainage method basically completes the operation by means of manual injection or suction of a needle cylinder, has high requirements on the operation level of doctors, lacks of monitoring during the operation, and is complicated in operation steps and difficult to popularize.

Disclosure of Invention

The invention aims to provide a medical lavage system which reduces the operation difficulty, improves the operation safety and is convenient for operation popularization.

The technical scheme adopted by the invention for solving the technical problems is as follows: providing a medical irrigation system comprising a master control device, at least one irrigation device for irrigating a flushing liquid, at least one suction device for drawing out the flushing liquid;

the perfusion device comprises a perfusion pipeline and a perfusion pump for driving the flushing liquid to flow in the perfusion pipeline; the suction device comprises a suction pipeline and a suction pump for driving the flushing liquid to flow in the suction pipeline; the main control device is connected with the perfusion pump and the suction pump and respectively controls the start and stop of the perfusion pump and the suction pump.

Preferably, the medical irrigation system further comprises a first pressure detection unit arranged on the perfusion device for detecting perfusion pressure, and/or a second pressure detection unit arranged on the suction device for detecting suction pressure;

the first pressure detection unit is connected with the main control device and sends the detected perfusion pressure information to the main control device; the second pressure detection unit is connected with the main control device and sends the detected suction pressure information to the main control device.

Preferably, the medical lavage system further comprises a first bubble sensor arranged in the perfusion line and connected with the main control device; the first bubble sensor is used for detecting bubbles in the filling pipeline and transmitting detected bubble information to the main control device, and the main control device judges whether flushing liquid exists in the filling pipeline according to the bubble information; and/or the presence of a gas in the gas,

the medical lavage system also comprises a second bubble sensor which is arranged in the suction pipeline and connected with the main control device; the second bubble sensor is used for detecting bubbles in the suction pipeline and transmitting detected bubble information to the main control device, and the main control device judges whether flushing liquid exists in the suction pipeline or not according to the bubble information.

Preferably, the medical lavage system further comprises a heating unit arranged on the perfusion pipeline and connected with the main control device;

the heating unit comprises a heating assembly for heating the flushing liquid and a temperature detection assembly arranged on the heating assembly and used for detecting the temperature of the flushing liquid; the temperature detection assembly sends the detected temperature information of the flushing liquid to the main control device, and the main control device adjusts the heating power of the heating assembly according to the temperature information detected by the temperature detection piece.

Preferably, the medical lavage system further comprises a turbidity sensor arranged in the suction pipeline and connected with the main control device; the turbidity sensor is used for detecting the turbidity of the flushing liquid and transmitting the detected turbidity information to the main control device.

Preferably, the medical lavage system further comprises a first weighing sensor and a second weighing sensor connected with the main control device 10, wherein a flushing liquid container for providing flushing liquid for the perfusion pipeline is hung below the first weighing sensor or placed on the first weighing sensor, and a waste liquid container for receiving the flushing liquid from the suction pipeline is hung below the second weighing sensor or placed on the second weighing sensor; the first weighing sensor and the second weighing sensor detect the weights of the rinsing liquid container and the waste liquid container and transmit the obtained weight information to the main control device.

Preferably, the medical lavage system further comprises a first three-way joint and a second three-way joint which are arranged on the perfusion pipeline at intervals, and a third three-way joint and a fourth three-way joint which are arranged on the suction pipeline at intervals;

the first three-way joint is connected with the third three-way joint through a first connecting pipeline, and the second three-way joint is connected with the fourth three-way joint through a second connecting pipeline.

Preferably, a first valve is further arranged on the filling pipeline and is positioned between the first three-way joint and the second three-way joint; a second valve is arranged on the suction pipeline and is positioned between the third three-way joint and the fourth three-way joint; and a third valve and a fourth valve are respectively arranged on the first connecting pipeline and the second connecting pipeline.

Preferably, the medical irrigation system further comprises a display and operation device connected with the main control device.

Preferably, the perfusion pump is a peristaltic extrusion type pump, and comprises a first peristaltic extrusion mechanism, a first motor driving circuit and a first rotation speed detection circuit, wherein the first motor is connected with and drives the first peristaltic extrusion mechanism to rotate; the filling pipeline penetrates into the filling pump to surround the periphery of the first peristaltic extrusion mechanism;

the first motor driving circuit controls the first motor to rotate according to an instruction sent by the main control device, so that the first motor drives the first peristaltic squeezing mechanism to rotate to squeeze the perfusion pipeline, and the first rotating speed detection circuit detects the rotating speed of the first motor and transmits detected rotating speed information to the main control device; and the main control device obtains the perfusion speed of the perfusion device according to the received rotating speed information and the extrusion amount of the first motor per revolution.

Preferably, the perfusion pump is an inflator pump; the perfusion device also comprises a flushing liquid container and an inflation pipeline connected between the inflation pump and the flushing liquid container; one end of the filling pipeline is connected with the flushing liquid container;

and the flushing liquid container is inflated by the inflator pump, so that the flushing liquid in the flushing liquid container is driven to be output through the filling pipeline.

Preferably, the suction pump is a peristaltic extrusion type pump and comprises a second peristaltic extrusion mechanism, a second motor driving circuit and a second rotating speed detection circuit, wherein the second motor is connected with and drives the second peristaltic extrusion mechanism to rotate; the suction pipeline penetrates into the suction pump and surrounds the periphery of the second peristaltic extrusion mechanism;

the second motor driving circuit controls the second motor to rotate according to an instruction sent by the main control device, so that the second motor drives the second peristaltic squeezing mechanism to rotate and squeeze the suction pipeline, and the second rotating speed detection circuit detects the rotating speed of the second motor and transmits detected rotating speed information to the main control device; and the main control device obtains the suction speed of the suction device according to the received rotating speed information and the extrusion amount of each revolution of the second motor.

Preferably, the suction pump is a suction pump; the suction device also comprises a waste liquid container and an air suction pipeline connected between the air suction pump and the waste liquid container; one end of the suction pipeline is connected with the waste liquid container;

and the air pump is used for pumping air out of the waste liquid container and driving the flushing liquid to enter the waste liquid container through the suction pipeline.

The invention has the beneficial effects that: the micro-invasive lavage device is used for minimally invasive lavage treatment of abscess in soft tissue, replaces the existing conventional syringe injection cleaning treatment method, realizes full-automatic operation of perfusion and suction in the treatment process, and can provide a plurality of lavage treatment control methods according to different and actual conditions of diseases. The system can monitor data such as injection and suction flow and pressure in the whole process, release doctors, reduce operation difficulty, improve operation safety and facilitate operation popularization.

Drawings

The invention will be further described with reference to the accompanying drawings and examples, in which:

FIG. 1 is a schematic view of a medical irrigation system according to a first embodiment of the invention;

FIG. 2 is a schematic view of a first peristaltic squeezing mechanism of an irrigation pump in a medical irrigation system according to a first embodiment of the present invention;

FIG. 3 is a schematic view of a medical irrigation system according to a second embodiment of the invention;

FIG. 4 is a schematic view of a medical irrigation system according to a third embodiment of the invention;

FIG. 5 is a schematic view of a medical irrigation system according to a fourth embodiment of the invention;

fig. 6 is a schematic structural view of the switching pipe portion in fig. 5.

Fig. 7 is a schematic structural view of a medical irrigation system according to a fifth embodiment of the invention.

Detailed Description

For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings.

As shown in fig. 1, the medical irrigation system according to the first embodiment of the present invention includes a main control device 10, a perfusion device 11, and a suction device 12. The irrigation device 11 is used for injecting the irrigation liquid into the abscess cavity 2 of the soft tissue 1, and the suction device 12 is used for sucking the irrigation liquid in the abscess cavity 2, thereby cleaning the abscess cavity 2 by injecting and sucking the irrigation liquid. The main control device 10 is connected with the perfusion device 11 and the suction device 12, and controls the start and stop of the perfusion device 11 and the suction device 12, the mutual coordination relationship between the perfusion device 11 and the suction device 12, and the like.

The medical lavage system also comprises a display and operation device 20 connected with the main control device 10 for displaying and setting the control parameters of the main control device 10, and also can display some perfusion and suction parameters of the perfusion device 11 and the suction device 12, including pressure, time, speed, volume and the like. In the display and operation device 20, the display portion may be implemented by a display screen such as an LCD, and the operation portion may be implemented by a key, a touch operation, or the like. Alternatively, the display and operating device 20 may be implemented using a computer.

The control of the perfusion unit 11 and the suction unit 12 may be integrated in one master control or may be divided into a master control and a plurality of slave controls, each of which exchanges data with the master control via a bus.

The filling device 11 includes a filling line 111 and a filling pump 112 for driving the irrigation liquid to flow in the filling line 111. One end (entrance end) of filling pipeline 111 is connected to washing liquid container 3 (like washing liquid bag etc.), and other end (exit end) insert in pustule 2, and infusion pump 112 work produces the malleation, orders about the washing liquid and carries to pustule 2 in through filling pipeline 111 from washing liquid container 3 to wash pustule 2. The rinsing liquid container 3 may or may not be included in the perfusion device 11.

The suction device 12 includes a suction line 121 and a suction pump 122 that drives the irrigation liquid to flow in the suction line 121. One end (inlet end) of the suction pipe 121 is inserted into the pus chamber 2, and the other end (outlet end) is connected to the waste liquid container 4 (such as a waste liquid bag or a waste liquid bottle), and the suction pump 122 is operated to generate negative pressure, so as to draw the irrigation liquid from the pus chamber 2 through the suction pipe 121, and collect the irrigation liquid in the waste liquid container 4. The waste liquid container 4 may be included in the suction device 12 or may not be included in the suction device 12.

The main control device 10 is connected to the perfusion pump 112 and the suction pump 122, and controls the start and stop of the perfusion pump 112 and the suction pump 122, respectively, and may also control some parameters of perfusion and suction of the perfusion pump 112 and the suction pump 122, such as speed, pressure, and the like.

In this embodiment, the perfusion pump 112 and the suction pump 122 are both peristaltic and squeeze type pumps.

Specifically, as shown in fig. 1 and 2, the perfusion pump 112 may include a first peristaltic squeezing mechanism 1120, a first motor (not shown) connected to and driving the first peristaltic squeezing mechanism 1120 to rotate, a first motor driving circuit (not shown) connected to the first motor and the main control device 10, and a first rotation speed detecting circuit (not shown) connected to the first motor and the main control device 10. The perfusion tube 111 penetrates into the perfusion pump 112 and surrounds the periphery of the first peristaltic squeezing mechanism 1120, and two ends of the perfusion tube 111 are respectively located outside the perfusion pump 112 and are respectively connected with the flushing liquid container 3 and the pus cavity 2. The first motor driving circuit controls the first motor to rotate according to an instruction (such as a start instruction) sent by the main control device 10, so that the first motor drives the first peristaltic squeezing mechanism 1120 to rotate and squeeze the perfusion tube 111, and the flushing liquid is driven to flow in the squeezing direction. The first rotation speed detection circuit detects the rotation speed of the first motor and transmits the detected rotation speed information to the main control device 10; the main control device 10 obtains the perfusion speed of the perfusion device 11 according to the received rotating speed information and the extrusion amount of the first motor per revolution. When the obtained perfusion speed exceeds or does not reach the set perfusion speed range, the main control device 10 controls the first motor to decelerate or accelerate, so that the perfusion speed is adjusted until the perfusion speed is within the set perfusion speed range.

Similarly, in the perfusion pump 112, the suction pump 122 may include a second peristaltic squeezing mechanism, a second motor connected to and driving the second peristaltic squeezing mechanism to rotate, a second motor driving circuit connected to the second motor and the main control device 10, and a second rotation speed detecting circuit connected to the second motor and the main control device 10. The suction pipeline 121 penetrates into the suction pump 122 and surrounds the periphery of the second peristaltic squeezing mechanism, and two ends of the suction pipeline 121 are respectively positioned outside the suction pump 122 and are respectively connected with the abscess cavity 2 and the waste liquid container 4. The second motor driving circuit controls the second motor to rotate according to an instruction (such as a starting instruction) sent by the main control device 10, so that the second motor drives the second peristaltic squeezing mechanism to rotate and squeeze the suction pipeline 121, and the second rotating speed detection circuit detects the rotating speed of the second motor and transmits the detected rotating speed information to the main control device 10; the main control device 10 obtains the suction speed of the suction device 12 according to the received rotation speed information and the extrusion amount per revolution of the second motor. When the obtained suction speed exceeds or does not reach the set suction speed range, the main control device 10 controls the second motor to decelerate or accelerate, thereby adjusting the suction speed until the suction speed is within the set suction speed range.

The medical lavage system of this embodiment further includes a first pressure detecting unit 131 for detecting the perfusion pressure provided on the perfusion line 111, and a second pressure detecting unit 132 for detecting the suction pressure provided on the suction line 121. The first pressure detection unit 131 is connected to the main control device 10, and transmits the detected perfusion pressure information to the main control device 10; the second pressure detection unit 132 is connected to the main control device 10, and transmits the detected suction pressure information to the main control device 10.

When the obtained perfusion pressure or suction pressure exceeds or does not reach the set perfusion pressure or set suction pressure, the main control device 10 controls (decreases or increases) the perfusion amount of the perfusion pump 112 or the suction amount of the suction pump 122 to adjust the perfusion pressure or suction pressure to be within the corresponding set range.

The first pressure detecting unit 131 and the second pressure detecting unit 132 may be pressure sensors, and may be directly connected to the filling line 111 and the suction line 121 to directly detect and obtain the filling pressure and the suction pressure, respectively, or may obtain the filling pressure and the suction pressure by converting pressure measurement before and after pressurizing the tube wall into liquid pressure.

Further, if necessary, a bubble sensor may be provided in the irrigation line 111 and the suction line 121 to detect bubbles in the lines, thereby determining whether or not the irrigation liquid is still in the lines, and further determining whether or not the irrigation liquid in the irrigation liquid container 3 is used up, whether or not the irrigation liquid in the pus chamber 2 is completely sucked, and the like. According to the needs, can also set up the heating unit on filling the pipeline 111 to heat the intensification with the washing liquid, make it have suitable temperature and refill in the pustule 2 of soft tissue 1, improve patient's comfort level, prevent that patient's body temperature from losing. If necessary, a turbidity sensor may be provided in the suction line 121 to detect the turbidity of the irrigation liquid drawn out from the pus chamber 2 and determine whether the pus chamber 2 is completely flushed or not and whether the irrigation is completed or not.

As shown in fig. 3, the medical irrigation system according to the second embodiment of the present invention includes a main control device 10, a perfusion device 21 and a suction device 22. The perfusion device 21 is used to inject the irrigation liquid into the pus chamber 2 of the soft tissue 1, and the suction device 22 is used to extract the irrigation liquid from the pus chamber 2, thereby cleaning the pus chamber 2 by injecting and extracting the irrigation liquid. The main control device 10 is connected with the perfusion device 21 and the suction device 22, and controls the start and stop of the perfusion device 21 and the suction device 22, the mutual coordination relationship between the perfusion device 21 and the suction device 22, and the like.

The medical lavage system also comprises a display and operation device 20 connected with the main control device 10 for displaying and setting the control parameters of the main control device 10, and also can display some perfusion and suction parameters of the perfusion device 21 and the suction device 22, including pressure, time, speed, volume and the like. In the display and operation device 20, the display portion may be implemented by a display screen such as an LCD, and the operation portion may be implemented by a key, a touch operation, or the like. Alternatively, the display and operating device 20 may be implemented using a computer.

The control of the perfusion unit 21 and the suction unit 22 may be integrated in one master control or may be divided into a master control and a plurality of slave controls, each of which exchanges data with the master control via a bus.

The filling device 21 includes a filling line 211 and a filling pump 212 for driving the flushing liquid to flow in the filling line 211. One end (entrance end) of filling pipe 211 is connected to washing liquid container 3 (like washing liquid bag etc.), and other end (exit end) insert in pustule 2, and infusion pump 212 work produces the malleation, orders about the washing liquid and carries to pustule 2 in through filling pipe 211 from washing liquid container 3 to wash pustule 2. The rinsing liquid container 3 may or may not be included in the perfusion apparatus 21.

The suction device 22 includes a suction line 221 and a suction pump 222 that drives the irrigation liquid to flow in the suction line 221. One end (inlet end) of the suction line 221 is inserted into the pus chamber 2, and the other end (outlet end) is connected to a waste liquid container 4 (such as a waste liquid bag or a waste liquid bottle), and the suction pump 222 operates to generate a negative pressure to draw the irrigation liquid from the pus chamber 2 through the suction line 221, and the irrigation liquid can be collected in the waste liquid container 4. The waste liquid container 4 may be included in the suction device 22 or may not be included in the suction device 22.

The main control device 10 is connected to the perfusion pump 212 and the suction pump 222, and controls the start and stop of the perfusion pump 212 and the suction pump 222, respectively, and may also control some parameters of perfusion and suction of the perfusion pump 212 and the suction pump 222, such as speed, pressure, and the like.

In this embodiment, the perfusion pump 212 is a peristaltic extrusion type pump, and reference is made to the first embodiment; the suction pump 222 is a suction pump, such as a diaphragm type suction pump.

Correspondingly, the suction device 22 further comprises a waste liquid container 4, a suction line 223 connected between the suction pump and the waste liquid container 4. One end of the suction pipeline 221 is connected to the waste liquid container 4, and the other end is inserted into the pus chamber 2. The suction line 223 is connected at one end to a suction pump and at the other end to the waste container 4 and above the liquid level therein. When the air pump works, the waste liquid container 4 is pumped to generate negative pressure in the waste liquid container 4, and the flushing liquid is driven to enter the waste liquid container 4 from the pus cavity 2 through the suction pipeline 221.

The medical irrigation system of the present embodiment further comprises a first pressure detection unit 231 for detecting the perfusion pressure, a second pressure detection unit 232 for detecting the suction pressure. The first pressure detection unit 231 is arranged on the perfusion pipeline 211, is connected with the main control device 10, and sends detected perfusion pressure information to the main control device 10; the second pressure detection unit 232 is disposed on the suction line 223 and connected to the main control apparatus 10, and transmits the detected suction pressure information to the main control apparatus 10.

The first pressure detecting unit 231 and the second pressure detecting unit 232 may be pressure sensors, and may be directly connected to the filling pipeline 311 and the air suction pipeline 223 to directly detect and obtain the filling pressure and the suction pressure, respectively, or may obtain the filling pressure and the suction pressure by converting pressure measurement before and after pressurizing the pipe wall into liquid pressure.

Further, the medical lavage system of this embodiment also includes a heating unit 24 disposed on the perfusion line 211 and connected to the main control device 10, for heating the lavage liquid to a temperature suitable for reperfusion (e.g. 35-41 ℃) into the abscess cavity 2 of the soft tissue 1, thereby improving comfort of the patient and preventing the body temperature of the patient from losing.

The heating unit 24 may further include a heating assembly for heating the rinsing liquid, and a temperature detecting assembly provided on the heating assembly for detecting a temperature of the rinsing liquid. The temperature detection assembly is connected with the main control device 10, and sends the detected temperature information of the flushing liquid to the main control device 10, and the main control device 10 adjusts the heating power of the heating assembly according to the temperature information detected by the temperature detection member. The heating component can be formed by matching an electric heating wire with a heating pipe sleeve; the temperature detection assembly may include an NTC thermistor.

The medical lavage system of this embodiment further comprises a turbidity sensor 25 disposed in the suction line 221 and connected to the main control device 10. The turbidity sensor 25 is used for detecting the turbidity of the washing liquid and transmitting the detected turbidity information to the main control device 10, and the main control device 10 judges whether the pus cavity 2 is washed clean or not and whether the lavage is completed or not according to the turbidity information, so that the lavage can be controlled to continue or stop. For example, the main control device 10 is provided with a set value of the turbidity of the irrigation liquid, and when the turbidity is detected to be reduced to the set value, the completion of the irrigation is determined, and the irrigation and the suction are stopped to prompt the completion of the irrigation, thereby realizing the automatic irrigation detection control.

If necessary, a bubble sensor may be provided in the irrigation line 211 and/or the suction line 221 to detect bubbles in the line, and thereby determine whether or not the irrigation liquid is still in the line, and further determine whether or not the irrigation liquid in the irrigation liquid container 3 is used up, whether or not the irrigation liquid in the pus chamber 2 has been completely sucked, and the like.

The medical lavage system of the present embodiment includes a first bubble sensor 261 disposed in the perfusion line 211 and connected to the main control device 10, and a second bubble sensor 262 disposed in the suction line 221 and connected to the main control device 10. The first bubble sensor 261 is used for detecting bubbles (whether bubbles exist or not, bubble size and the like) in the filling pipeline 211 and transmitting detected bubble information to the main control device 10, the main control device 10 judges whether flushing liquid exists in the filling pipeline 211 according to the bubble information, and then whether the flushing liquid in the flushing liquid container 3 is empty or not, whether the connection between the filling pipeline 211 and the flushing liquid container 3 is abnormal or not can be judged, filling is stopped and prompt is carried out, and the situations that air is filled into the pus cavity 2 and no flushing is carried out are prevented. The second bubble sensor 262 is used for detecting bubbles (whether bubbles exist or not, bubble size, etc.) in the suction pipeline 221 and transmitting the detected bubble information to the main control device 10, the main control device 10 judges whether the flushing liquid exists in the suction pipeline 221 according to the bubble information, and further can judge whether the flushing liquid in the pus cavity 2 is empty or not, whether the suction pipeline 221 is in an air leakage state or not, and stops suction and prompts to prevent the pus cavity 2 from being sucked.

Preferably, the first bubble sensor 26 is arranged on the section of the irrigation line between the irrigation pump 212 and the irrigation liquid container 3.

Further, the medical lavage system of this embodiment further includes a first weighing sensor 271 and a second weighing sensor 272 respectively connected above the rinse solution container 3 and the waste liquid container 4, so that the rinse solution container 3 and the waste liquid container 4 are respectively suspended below the first weighing sensor 271 and the second weighing sensor 272 or placed on the first weighing sensor 271 and the second weighing sensor 272, the first weighing sensor 271 and the second weighing sensor 272 detect the weights of the rinse solution container 3 and the waste liquid container 4 and transmit the obtained weight information to the main control device 10, the main control device 10 utilizes the pre-input parameters such as the density of the rinse solution and the density of the waste liquid, and can obtain the filling speed and the suction speed according to the weight change amount, and can be used for determining whether the rinse solution container 3 is empty or whether the waste liquid container 4 is full.

As shown in fig. 4, a medical irrigation system according to a third embodiment of the present invention includes a main control device 10, a perfusion device 31 and a suction device 32. The irrigation device 31 is used for injecting the irrigation liquid into the abscess cavity 2 of the soft tissue 1, and the suction device 32 is used for sucking the irrigation liquid in the abscess cavity 2, thereby cleaning the abscess cavity 2 by injecting and sucking the irrigation liquid. The main control device 10 is connected with the perfusion device 31 and the suction device 32, and controls the start and stop of the perfusion device 31 and the suction device 32, the mutual coordination relationship between the perfusion device 31 and the suction device 32, and the like.

The medical lavage system also comprises a display and operation device 20 connected with the main control device 10 for displaying and setting the control parameters of the main control device 10, and also can display some perfusion and suction parameters of the perfusion device 31 and the suction device 32, including pressure, time, speed, volume and the like. In the display and operation device 20, the display portion may be implemented by a display screen such as an LCD, and the operation portion may be implemented by a key, a touch operation, or the like. Alternatively, the display and operating device 20 may be implemented using a computer.

The control of the perfusion unit 31 and the suction unit 32 may be integrated in one master control or may be divided into a master control and a plurality of slave controls, each of which exchanges data with the master control via a bus.

The perfusion device 31 includes a perfusion line 311 and a perfusion pump 312 for driving the irrigation liquid to flow in the perfusion line 311. One end (entrance end) of irrigation pipeline 311 is connected to irrigation liquid container 3 (like irrigation liquid bag etc.), and other end (exit end) inserts in the pus chamber 2, and infusion pump 312 work produces the malleation, drives irrigation liquid and carries to in the pus chamber 2 through irrigation pipeline 311 from irrigation liquid container 3 to wash pus chamber 2. The rinsing liquid container 3 may or may not be included in the pouring device 31.

The suction device 32 includes a suction line 321 and a suction pump 322 that drives the irrigation liquid to flow through the suction line 321. One end (inlet end) of the suction pipe 321 is inserted into the pus chamber 2, and the other end (outlet end) is connected to a waste liquid container 4 (such as a waste liquid bag or a waste liquid bottle), and the suction pump 322 generates negative pressure by working, so that the irrigation liquid is sucked out from the pus chamber 2 through the suction pipe 321 and can be collected in the waste liquid container 4. The waste liquid container 4 may be included in the suction device 32 or may not be included in the suction device 32.

The main control device 10 is connected to the perfusion pump 312 and the suction pump 322, and controls the start and stop of the perfusion pump 312 and the suction pump 322, respectively, and also controls some parameters of perfusion and suction of the perfusion pump 312 and the suction pump 322, such as speed, pressure, and the like.

In this embodiment, the inflator 312 is an inflator, such as a diaphragm inflator; the suction pump 322 is a suction pump, such as a diaphragm type suction pump.

Corresponding to the irrigation pump 312, the irrigation device 31 further comprises an irrigation liquid container 3, and an inflation line 313 connected between the inflation pump and the irrigation liquid container 3. The perfusion tube 311 has one end connected to the flushing liquid container 3 and the other end inserted into the pus chamber 2. One end of the inflation pipeline 313 is connected with an inflation pump, and the other end is connected with the flushing liquid container 3 and is positioned above the liquid level therein. When the air pump works, the flushing liquid container 3 is inflated to generate positive pressure, and the flushing liquid in the flushing liquid container 3 is driven to enter the pus cavity 2 through the filling pipeline 311.

The suction device 32 further includes a waste liquid container 4 corresponding to the suction pump 322, and a suction line 323 connected between the suction pump and the waste liquid container 4. One end of the suction pipeline 321 is connected to the waste liquid container 4, and the other end is inserted into the pus chamber 2. The suction line 323 is connected at one end to a suction pump and at the other end to the waste liquid container 4 and above the liquid level therein. When the air pump works, the waste liquid container 4 is pumped to generate negative pressure in the waste liquid container 4, and the flushing liquid is driven to enter the waste liquid container 4 from the pus cavity 2 through the suction pipeline 321.

The medical irrigation system of the present embodiment further comprises a first pressure detection unit 331 for detecting the perfusion pressure, a second pressure detection unit 332 for detecting the suction pressure. The first pressure detection unit 331 is disposed on the perfusion line 311, connected to the main control device 10, and transmits detected perfusion pressure information to the main control device 10; the second pressure detection unit 332 is disposed on the suction line 323, is connected to the main control apparatus 10, and transmits the detected suction pressure information to the main control apparatus 10.

The first pressure detecting unit 331 and the second pressure detecting unit 332 may be pressure sensors, and may be directly connected to the filling line 311 and the suction line 323 to directly detect and obtain the filling pressure and the suction pressure, respectively, or may obtain the filling pressure and the suction pressure by converting pressure measurement before and after pressurizing the tube wall into liquid pressure.

Further, the medical lavage system of this embodiment also includes a heating unit 34 disposed on the perfusion line 311 and connected to the main control device 10, for heating the lavage liquid to a temperature suitable for reperfusion (e.g. 35 ℃ -41 ℃) into the abscess cavity 2 of the soft tissue 1, thereby improving comfort of the patient and preventing the body temperature of the patient from losing. The heating unit 34 can refer to the heating unit 24 in the second embodiment, and is not described herein.

The medical lavage system of this embodiment further comprises a turbidity sensor 35 disposed in the suction line 321 and connected to the main control device 10, a first bubble sensor 361 disposed in the irrigation line 311 and connected to the main control device 10, and a second bubble sensor 362 disposed in the suction line 321 and connected to the main control device 10. The specific arrangement of the turbidity sensor 35, the first bubble sensor 361 and the second bubble sensor 362 can refer to the second embodiment, and will not be described herein.

The medical lavage system of this embodiment still includes first weighing sensor 371 and the second weighing sensor 372 of connecting respectively in washing liquid container 3 and waste liquid container 4 top, make washing liquid container 3 and waste liquid container 4 hang respectively in the below of first weighing sensor 371 and second weighing sensor 372, first weighing sensor 371 and second weighing sensor 372 detect washing liquid container 3 and waste liquid container 4 weight and convey the weight information who obtains to main control unit 10, main control unit 10 utilizes the washing liquid density of inputing in advance and waste liquid density isoparametric, can obtain filling speed and suction velocity according to the weight variation, can be used to judge whether washing liquid container 3 is empty or whether waste liquid container 4 is full simultaneously.

As shown in fig. 5, a medical irrigation system according to a fourth embodiment of the present invention includes a main control device 10, a perfusion device 41, and a suction device 42. The irrigation device 41 is used for injecting the irrigation liquid into the abscess cavity 2 of the soft tissue 1, and the suction device 42 is used for sucking the irrigation liquid in the abscess cavity 2, thereby cleaning the abscess cavity 2 by injecting and sucking the irrigation liquid. The main control device 10 is connected with the perfusion device 41 and the suction device 42, and controls the start and stop of the perfusion device 41 and the suction device 42, the mutual coordination relationship between the perfusion device 41 and the suction device 42, and the like.

The medical lavage system also comprises a display and operation device 20 connected with the main control device 10 for displaying and setting the control parameters of the main control device 10, and also can display some perfusion and suction parameters of the perfusion device 41 and the suction device 42, including pressure, time, speed, volume and the like. In the display and operation device 20, the display portion may be implemented by a display screen such as an LCD, and the operation portion may be implemented by a key, a touch operation, or the like. Alternatively, the display and operating device 20 may be implemented using a computer.

The control of the perfusion unit 41 and the suction unit 42 may be integrated in one master control or may be divided into a master control and a plurality of slave controls, each of which exchanges data with the master control via a bus.

The filling device 41 includes a filling line 411 and a filling pump 412 for driving the irrigation liquid to flow in the filling line 411. One end (entrance end) of filling pipeline 411 is connected to washing liquid container 3 (like washing liquid bag etc.), and other end (exit end) inserts in the pustule 2, and the work of filling pump 412 produces the malleation, orders about the washing liquid and carries to the pustule 2 in through filling pipeline 411 from washing liquid container 3 to wash pustule 2. The rinsing liquid container 3 may or may not be included in the pouring device 41.

The suction device 42 includes a suction line 421 and a suction pump 422 for driving the irrigation liquid to flow through the suction line 421. One end (inlet end) of the suction pipeline 421 is inserted into the pus chamber 2, the other end (outlet end) is connected to the waste liquid container 4 (such as a waste liquid bag or a waste liquid bottle), the suction pump 422 works to generate negative pressure, and the flushing liquid is pumped out from the pus chamber 2 through the suction pipeline 421 and can be collected in the waste liquid container 4. The waste liquid container 4 may be included in the suction device 42 or may not be included in the suction device 42.

The main control device 10 is connected to the perfusion pump 412 and the suction pump 422, and controls the start and stop of the perfusion pump 412 and the suction pump 422, respectively, and may also control some parameters of perfusion and suction of the perfusion pump 412 and the suction pump 422, such as speed, pressure, and the like.

The perfusion pump 412 may be a peristaltic squeezing type pump or an inflator pump, the suction pump 422 may be a peristaltic squeezing type pump or an air pump, which can be referred to the first to third embodiments, and the arrangement of the various sensors on the perfusion tube 411 and the suction tube 421 can be referred to the first to third embodiments, which are not described herein again.

The medical irrigation system of the present embodiment is different from the above embodiments in that the medical irrigation system further includes a first three-way joint 431 and a second three-way joint 432 that are arranged on the perfusion line 411 at intervals, and a third three-way joint 433 and a fourth three-way joint 434 that are arranged on the suction line 421 at intervals. The first three-way joint 431 is connected to the third three-way joint 433 through a first connecting line 441, the second three-way joint 432 is connected to the fourth three-way joint 434 through a second connecting line 442, and the perfusion line 411 and the suction line 421 can be switched with each other by the arrangement of various three-way joints and connecting lines, so that the perfusion and suction positions to the abscess cavity 2 can be switched.

The filling line 411 is further provided with a first valve 451 which is positioned between the first three-way joint 431 and the second three-way joint 432; a second valve 452 is arranged on the suction pipeline 421 and is positioned between the third three-way joint 433 and the fourth three-way joint 434; the first and

second connection lines

441 and 442 are provided with third and

fourth valves

453 and 454, respectively.

Specifically, with reference to fig. 5 and 6, the arrangement of the first and

second tees

431 and 432 on the irrigation line 411 divides the irrigation line 441 into three sections, namely a first irrigation section 411a connected between the irrigation pump 412 and the first tee 431, a second irrigation section 411b connected between the first and

second tees

431 and 432, and a third irrigation section 411c connected to the second tee 432 and adapted to be inserted into the abscess cavity 2. A first valve 451 is arranged on the second filling section 411b to control the connection and disconnection between the first three-way connection 431 and the second three-way connection 432.

The suction line 421 is divided into three sections, namely, a first suction section 421a connected to the third three-way joint 433 and used for being inserted into the pus chamber 2, a second suction section 421b connected between the third three-way joint 433 and the fourth three-way joint 434, and a third suction section 421c connected between the fourth three-way joint 434 and the suction pump 422, by the arrangement of the third three-way joint 433 and the fourth three-way joint 434 on the suction line 421. The second valve 452 is provided in the second suction stage 421b, and controls on/off between the third three-way joint 433 and the fourth three-way joint 434.

Further, in the present embodiment, the first connecting line 441 and the second connecting line 442 are independent of each other and cross. The irrigation liquid is directly poured into the pus chamber 2 through the pouring line 411, and the third valve 453 and the fourth valve 454 are closed to cut off the first connecting line 441 and the second connecting line 442. When the pipeline is switched to be filled, the first valve 451 is closed to cut off the second filling section 411b, the second valve 452 is closed to cut off the second suction section 421b, and the third valve 453 is opened to sequentially communicate the first filling section 411a, the first connecting pipeline 441 and the first suction section 421a to form a new filling pipeline, so that the original suction position of the pus chamber 2 is filled.

When the irrigation liquid is discharged from the pus chamber 2, it is discharged directly through the suction line 421, and the third valve 453 and the fourth valve 454 are closed to cut off the first connecting line 441 and the second connecting line 442. When the pipeline is switched to suck, the second valve 452 closes and cuts off the second suction section 421b, the first valve 451 closes and cuts off the second filling section 411b, and the fourth valve 454 is opened to enable the third filling section 411c, the second connecting pipeline 442 and the third suction section 421c to be communicated in sequence to form a new suction pipeline, so that the original filling position of the pus cavity 2 is sucked, and the flushing liquid is pumped out.

The first three-way joint 431, the second three-way joint 432, the third three-way joint 433, and the fourth three-way joint 434 may adopt Y-shaped joints or T-shaped joints, respectively. The first valve 451 to the fourth valve 454 can adopt an electric pinch valve or a manual pinch valve, the electric pinch valve can be connected with the main control device 10, and the opening and closing of each electric pinch valve is controlled by the main control device 10 to realize automatic switching control.

As shown in fig. 7, the medical irrigation system according to the fifth embodiment of the present invention includes a main control device 10, a plurality of perfusion devices 51 and a plurality of suction devices 52, wherein the main control device 10 connects the perfusion devices 51 and the suction devices 52, and controls the start and stop of the perfusion devices 51 and the suction devices 52 and the coordination relationship therebetween.

The medical lavage system of this embodiment further comprises a display and operation device 20 connected to the main control device 10 for displaying and setting the control parameters of the main control device 10, and also can display some perfusion and suction parameters of the perfusion device 51 and the suction device 52, including pressure, time, speed, volume, etc. In the display and operation device 20, the display portion may be implemented by a display screen such as an LCD, and the operation portion may be implemented by a key, a touch operation, or the like. Alternatively, the display and operating device 20 may be implemented using a computer.

The specific arrangement of the main control device 10, the perfusion device 51 and the suction device 52, and the arrangement of various sensors can be found in the first to fourth embodiments, and are not described herein again.

Compared with the first to fourth embodiments, in this embodiment, due to the arrangement of the plurality of perfusion devices 51 and the plurality of suction devices 52, the plurality of perfusion devices 51 can work simultaneously, and the same or different perfusion speed, pressure and other parameters can be set, so that compared with the case that a single perfusion device is divided into a plurality of heads for perfusion, the blockage can be effectively found, the perfusion imbalance problem can be avoided, and the multichannel perfusion of the pus cavity 2 can be realized; the plurality of suction devices 52 can also work simultaneously, can set the same or different suction speed and pressure and other parameters, and can effectively find blockage and avoid the problem of unbalanced suction compared with the single suction device which separates multiple heads for suction, thereby improving the efficiency and effect of lavage. Or, the plurality of filling devices 51 can work alternately in different periods, parameters such as filling speed, pressure and the like can be set independently during working, the plurality of suction devices 52 can work alternately in different periods, parameters such as suction speed, pressure and the like can be set independently during working, and the phenomenon that the pressure of the pus cavity 2 is larger or excessive suction caused by simultaneous filling or suction of multiple channels can be avoided.

In the medical lavage system, the main control device adjusts the perfusion speed and/or the perfusion pressure of the perfusion device according to the real-time obtained perfusion speed and/or perfusion pressure of the perfusion device in the process of perfusing or sucking the pus cavity of a patient, and controls the perfusion speed and/or the perfusion pressure in a set range. The main control device adjusts the suction speed and/or the suction pressure of the suction device according to the real-time obtained suction speed and/or the suction pressure of the suction device, and controls the suction speed and/or the suction pressure within a set range. In addition, in the suction device, the suction pump can have a reverse rotation or positive pressure function, when the main control device detects negative pressure suction blockage, the suction pump can reverse rotation or adjust to positive pressure, namely, the blockage is automatically tried to be opened, and after the set times are reached, negative pressure suction cannot be normally carried out, and then blockage alarm is carried out.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A medical lavage system is characterized by comprising a main control device, at least one perfusion device for perfusing irrigation liquid, and at least one suction device for pumping out the irrigation liquid;

the perfusion device comprises a perfusion pipeline and a perfusion pump for driving the flushing liquid to flow in the perfusion pipeline; the suction device comprises a suction pipeline and a suction pump for driving the flushing liquid to flow in the suction pipeline; the main control device is connected with the perfusion pump and the suction pump and respectively controls the start and stop of the perfusion pump and the suction pump;

the medical lavage system also comprises a first three-way joint and a second three-way joint which are arranged on the perfusion pipeline at intervals, and a third three-way joint and a fourth three-way joint which are arranged on the suction pipeline at intervals; the first tee joint is connected with the third tee joint through a first connecting pipeline, and the second tee joint is connected with the fourth tee joint through a second connecting pipeline; the filling pipeline and the suction pipeline can be switched by arranging various three-way joints and connecting pipelines, so that the filling and suction positions of the pus cavity can be exchanged.

2. A medical irrigation system according to claim 1, further comprising a first pressure detection unit arranged on the irrigation device for detecting an irrigation pressure and/or a second pressure detection unit arranged on the suction device for detecting a suction pressure;

3. The medical irrigation system of claim 1 further comprising a first bubble sensor disposed in the irrigation line and connected to the master control device; the first bubble sensor is used for detecting bubbles in the filling pipeline and transmitting detected bubble information to the main control device, and the main control device judges whether flushing liquid exists in the filling pipeline according to the bubble information; and/or the presence of a gas in the gas,

4. The medical irrigation system of claim 1 further comprising a heating unit disposed in the irrigation line and connected to the master control;

5. The medical irrigation system of claim 1 further comprising a turbidity sensor disposed in the aspiration line and connected to the master control device; the turbidity sensor is used for detecting the turbidity of the flushing liquid and transmitting the detected turbidity information to the main control device.

6. A medical irrigation system according to claim 1, further comprising a first weighing cell and a second weighing cell connected to the master control device, wherein a rinsing liquid container providing rinsing liquid to the irrigation line is suspended below or placed on the first weighing cell, and a waste liquid container receiving rinsing liquid from the aspiration line is suspended below or placed on the second weighing cell; the first weighing sensor and the second weighing sensor detect the weights of the rinsing liquid container and the waste liquid container and transmit the obtained weight information to the main control device.

7. A medical irrigation system according to claim 1, wherein a first valve is further provided on the irrigation line between the first and second tee fittings; a second valve is arranged on the suction pipeline and is positioned between the third three-way joint and the fourth three-way joint; and a third valve and a fourth valve are respectively arranged on the first connecting pipeline and the second connecting pipeline.

8. The medical irrigation system as claimed in claim 1, further comprising a display and operation device connected to the master control device.

9. A medical irrigation system according to any of the claims 1-8, wherein the perfusion pump is a peristaltic squeezing type pump comprising a first peristaltic squeezing mechanism, a first motor connected to and driving the first peristaltic squeezing mechanism to rotate, a first motor driving circuit connected to the first motor and a main control device, a first rotation speed detection circuit connected to the first motor and the main control device; the filling pipeline penetrates into the filling pump to surround the periphery of the first peristaltic extrusion mechanism;

10. A medical irrigation system according to any of claims 1-8, wherein the irrigation pump is an inflator; the perfusion device also comprises a flushing liquid container and an inflation pipeline connected between the inflation pump and the flushing liquid container; one end of the filling pipeline is connected with the flushing liquid container;

11. A medical irrigation system according to any of claims 1-8 wherein the aspiration pump is a peristaltic squeezing type pump comprising a second peristaltic squeezing mechanism, a second motor connected to and driving the second peristaltic squeezing mechanism to rotate, a second motor drive circuit connected to the second motor and a master control device, a second rotational speed detection circuit connected to the second motor and the master control device; the suction pipeline penetrates into the suction pump and surrounds the periphery of the second peristaltic extrusion mechanism;

12. A medical irrigation system according to any of claims 1-8, wherein the suction pump is a suction pump; the suction device also comprises a waste liquid container and an air suction pipeline connected between the air suction pump and the waste liquid container; one end of the suction pipeline is connected with the waste liquid container;