Gastric lavage device
Technical Field
The invention belongs to the field of clinical medical treatment, and particularly relates to a gastric lavage device.
Background
For patients suffering from food poisoning and toxin taking and people needing gastric lavage before operation, hospitals, emergency treatment centers and the like often use gastric lavage machines to perform gastric lavage on the patients. Before gastric lavage, the device is prepared and adjusted to normal. When in use, the stomach contents are required to be pumped out firstly, and the machine enters the automatic gastric lavage process according to an automatic control working switch, if special conditions do not exist, the gastric lavage can be finished without manual operation, and the gastric lavage can also be carried out through manual control.
As is well known, the first procedure for emergency treatment of patients with toxicant is to remove the toxicant, and for patients with oral poisoning, first, vomit or gastric lavage treatment is required, the prior manual gastric lavage has the defects of time and labor waste, easy blockage and difficult thorough gastric lavage, it has the advantages of time and labor saving, etc., reduces the working intensity of clinical nursing, brings good news to patients when the gastric lavage is shortened, however, the pressure setting and the liquid feeding and liquid discharging conversion of the traditional gastric lavage machine during gastric lavage of a patient are controlled manually, the traditional gastric lavage machine can feed liquid to the patient in a short time, at a high speed and at a large flow rate, the high-pressure water flow repeatedly washes the gastric mucosa for a long time to cause the occurrence of secondary pathological changes such as gastric mucosa congestion, ulcer bleeding and further gastric perforation, gastric rupture and the like, the method has the advantages that higher requirements are invisibly put forward for the operating skills of doctors, and the working pressure of the doctors is increased; meanwhile, the physical health of the patient is difficult to be effectively guaranteed.
In view of this, the gastric lavage device of the present invention can automatically detect the change of the stomach and perform bleeding detection in real time, thereby accurately adjusting the liquid feeding amount and controlling the pressure of the stomach, and avoiding the secondary damage of the stomach.
Disclosure of Invention
In order to make up for the defects of the prior art, the invention provides a gastric lavage device which is mainly used for preventing stomach injury. According to the invention, the double-head motor and the pressure control module are arranged, so that the liquid feeding amount can be adjusted and the pressure of the stomach can be controlled according to the detected stomach condition, and the stomach injury can be avoided; meanwhile, the luminol reagent and the light-transmitting spectrum detector are arranged in the recovery bottle, so that a small amount of bleeding in the stomach can be detected and timely adjusted, and the condition of injury expansion is avoided.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a gastric lavage device, which adopts the gastric lavage device comprising an outer tube, an inner tube, a support frame, a pressure control module, a double-head motor, a liquid inlet pump, a liquid outlet pump, a liquid washing bottle, a recovery bottle, a one-way valve and a control box, wherein the inner tube is positioned inside the outer tube; a liquid inlet is formed in the side wall of the outer pipe, and the outer pipe is used for injecting cleaning liquid into the stomach; the pressure control module is used for adjusting the pressure of the cleaning fluid entering the stomach, so that excessive damage to the stomach is avoided; the double-head motor is used for driving the liquid inlet pump and the liquid outlet pump to work simultaneously; the liquid inlet pump is used for injecting cleaning liquid into the outer pipe through the liquid inlet and is connected with the cleaning liquid bottle; the liquid outlet pump is used for pumping out liquid in the stomach through the inner tube, the liquid outlet pump is connected with the recovery bottle, and the liquid inlet pump and the liquid outlet pump are both connected with a one-way valve; the control box is used for controlling the operation of the gastric lavage machine;
the gastric lavage method comprises the following steps:
the method comprises the following steps: preparation before gastric lavage: preparing a potassium permanganate solution according to the proportion of 1:5000, and placing the potassium permanganate solution in a washing liquid bottle;
step two: the patient is in the left lateral decubitus position, waterproof cloth is padded in the chest, and the inner tube and the outer tube are inserted into the stomach of the patient;
step three: the liquid inlet pump injects the potassium permanganate solution in the washing liquid bottle into the outer tube through the liquid inlet to wash the stomach; meanwhile, the double-head motor drives the liquid outlet pump to work, and liquid in the stomach is pumped out through the inner tube and flows into the recovery bottle;
step four: the ultrasonic probe detects the volume change in the stomach, and a doctor controls the winding motor to pull the steel wire rope to move through the control box according to the condition of a patient, so that the movement of the control pressing plate is realized, and the flow of cleaning fluid entering the stomach is adjusted;
step five: the mode conversion switch can realize automatic and manual operation on the steel wire rope;
step six: adding a luminol reagent into the recovery bottle, detecting the color change in the recovery bottle by a light-transmitting spectrum detector, and feeding back whether the stomach of the patient bleeds to a doctor;
step seven: after the gastric lavage is finished, feeding normal-temperature milk to repair gastric mucosa.
The temperature of the potassium permanganate solution prepared in the first step is controlled to be 35-40 ℃.
And in the second step, after the tube is inserted into the stomach of the patient, the other end of the tube is placed into a bowl filled with cold boiled water or normal saline, and whether bubbles emerge or not is observed to judge whether the tube enters the interior.
When the steel wire rope is wound on the winding drum, the pressure control plate approaches to the inner pipe, and the flow of the potassium permanganate solution entering the stomach is reduced.
When the mode conversion switch is in a manual state, the winding motor is separated from the winding drum, so that the winding drum is manually rotated.
The luminol reagent changes to a blue-violet color when it encounters blood.
The outer tube is provided with a liquid outlet hole, and the liquid outlet hole on the outer tube is used for washing the stomach lateral wall and the esophagus. The existence of liquid outlet hole on the outer tube makes harmful substance on the adhesion stomach wall or in the esophagus can both be washd down, has improved work efficiency and abluent effect.
The pressure control module comprises a pressure control plate, a steel wire rope, a winding drum, a winding motor and an ultrasonic probe, and a sliding groove is vertically formed in the outer wall of one end, placed into the stomach, of the inner tube; the pressure control plate is arranged on the outer side of the inner pipe through the sliding chute, the pressure control plate can slide along the inner pipe to plug the outer pipe, and the pressure control plate is used for controlling the flow of the cleaning liquid flowing out of the end part of the outer pipe; the steel wire rope is positioned between the outer pipe and the inner pipe and used for pulling the control plate to move; the winding drum is used for winding the steel wire rope; the winding motor is used for driving the winding drum to rotate; the ultrasonic probe is arranged on the pressure control plate and used for detecting the volume change of the stomach. When the ultrasonic probe detects that the volume change inside the stomach is overlarge, the pressure of the stomach is overlarge at the moment, the winding motor drives the winding drum to rotate, the winding drum winds the steel wire rope on the winding drum, and the steel wire rope pulls the air compression plate to move towards the end part of the outer tube, so that the flow of cleaning fluid flowing out from the space between the inner tube and the outer tube is reduced, and the bleeding of the stomach is avoided.
And an anti-corrosion electroplated layer is arranged on the surface of the steel wire rope.
The control box is provided with a speed regulating knob, a pressure regulating knob and a mode conversion switch, and the speed regulating knob is used for regulating the rotating speed of the double-head motor; the pressure regulating knob is used for controlling the winding motor to drive the winding drum to work; the mode conversion switch is used for realizing manual and automatic control of the winding drum, the winding motor can drive the winding drum to work in an automatic state, and the winding drum is manually rotated in a manual state. When the mode conversion switch is switched to the automatic mode, the winding motor is connected with the winding drum, and the winding motor can drive the winding drum to work by rotating the pressure regulating knob; when the mode conversion switch is switched to a manual mode, the winding motor is separated from the winding drum, and the steel wire rope can be wound on the winding drum by manually rotating the winding drum; the speed regulating knob controls the double-head motor to rotate, thereby controlling the cleaning fluid to enter the interior of the stomach.
And a luminol reagent and a light-transmitting spectrum detector are arranged in the recovery bottle, the luminol reagent can turn into blue-purple when meeting blood, and the light-transmitting spectrum detector is used for detecting color change in eluate and judging whether gastrorrhagia occurs. When the bleeding amount of the stomach is not large, the color of the eluate is changed by the luminol reagent, and the detected result is fed back to the control box by the light-transmitting spectrum detector, so that the large-area bleeding of the stomach is avoided, and the safety of a patient is ensured.
The invention has the beneficial effects that:
1. the gastric lavage device can automatically realize dual control of the internal pressure and the liquid delivery flow of the stomach, avoid the secondary damage of the stomach caused by cleaning and ensure the body health of a patient.
2. According to the gastric lavage device, the liquid inlet pump and the liquid outlet pump are driven by the double-head motor to work, so that liquid entering the stomach can be completely discharged in time, the cleaning effect is improved, and the excessive pressure of the stomach is avoided; meanwhile, the arrangement of power sources is reduced, and the cost of the device is saved.
3. According to the gastric lavage device, the luminol reagent and the light-passing spectrum detector are arranged in the liquid outlet pump, and the condition of small amount of bleeding in the stomach can be found in time by changing the color of the recovered liquid doped with blood, so that the equipment can be adjusted in time, the condition of large-area bleeding is avoided, and the safety performance is high.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a flow chart of a gastric lavage method of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a schematic view of the control box of the present invention;
in the figure: the device comprises an outer tube 1, an inner tube 2, a support frame 21, a pressure control module 3, a double-head motor 4, a liquid inlet pump 5, a liquid outlet pump 6, a washing liquid bottle 7, a recovery bottle 8, a control box 9, a liquid outlet hole 11, a pressure control plate 31, a steel wire rope 32, a winding drum 33, a winding motor 34, an ultrasonic probe 35, a speed regulation knob 91, a pressure regulation knob 92 and a mode conversion switch 93.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 3, the gastric lavage method of the present invention employs a gastric lavage device comprising an outer tube 1, an inner tube 2, a support frame 21, a pressure control module 3, a double-head motor 4, a liquid inlet pump 5, a liquid outlet pump 6, a lavage bottle 7, a recovery bottle 8, a one-way valve and a control box 9, wherein the inner tube 2 is located inside the outer tube 1, the support frame 21 is arranged on the outer wall of the inner tube 2, the support frame 21 is in contact with the inner wall of the outer tube 1, the inner tube 2 is kept stable inside the outer tube 1 by the support frame 21, and the inner tube 2 is used for pumping the liquid inside the stomach; a liquid inlet is formed in the side wall of the outer pipe 1, and the outer pipe 1 is used for injecting cleaning liquid into the stomach; the pressure control module 3 is used for adjusting the pressure of the cleaning fluid entering the stomach, so that excessive damage to the stomach is avoided; the double-head motor 4 is used for driving the liquid inlet pump 5 and the liquid outlet pump 6 to work simultaneously; the liquid inlet pump 5 is used for injecting cleaning liquid into the outer pipe 1 through a liquid inlet, and the liquid inlet pump 5 is connected with a cleaning liquid bottle 7; the liquid outlet pump 6 is used for pumping out liquid in the stomach through the inner tube 2, the liquid outlet pump 6 is connected with the recovery bottle 8, and the liquid inlet pump 5 and the liquid outlet pump 6 are both connected with a one-way valve; the control box 9 is used for controlling the operation of the gastric lavage machine;
the gastric lavage method comprises the following steps:
the method comprises the following steps: preparation before gastric lavage: preparing a potassium permanganate solution according to the proportion of 1:5000, and placing the potassium permanganate solution in a washing liquid bottle 7;
step two: the patient is in the left lateral decubitus position, waterproof cloth is padded in the chest, and the inner tube and the outer tube are inserted into the stomach of the patient;
step three: the liquid inlet pump 5 injects a potassium permanganate solution in the washing liquid bottle 7 into the outer tube 1 through the liquid inlet to wash the stomach; meanwhile, the double-head motor 4 drives the liquid outlet pump 6 to work, liquid in the stomach is pumped out through the inner tube 2 and flows into the recovery bottle 8;
step four: the ultrasonic probe 35 detects the volume change in the stomach, and a doctor controls the winding motor 34 to pull the steel wire rope 32 to move through the control box 9 according to the condition of a patient, so that the movement of the pressure control plate 31 is realized, and the flow of cleaning liquid entering the stomach is adjusted;
step five: the mode changeover switch 93 can realize automatic and manual operation of the wire rope 32;
step six: luminol reagent is added into the recovery bottle 8, the light-transmitting spectrum detector detects the color change in the recovery bottle 8, and whether the stomach of the patient bleeds is fed back to a doctor;
step seven: after the gastric lavage is finished, feeding normal-temperature milk to repair gastric mucosa.
The temperature of the potassium permanganate solution prepared in the first step is controlled to be 35-40 ℃.
And in the second step, after the tube is inserted into the stomach of the patient, the other end of the tube is placed into a bowl filled with cold boiled water or normal saline, and whether bubbles emerge or not is observed to judge whether the tube enters the interior.
When the steel wire rope 32 is wound on the winding drum 33, the pressure control plate 31 approaches to the inner pipe, and the flow of the potassium permanganate solution entering the stomach is reduced.
When the mode switch 93 is in the manual state, the winding motor 34 is out of contact with the winding drum 33, so that the winding drum 33 is manually rotated.
The luminol reagent changes to a blue-violet color when it encounters blood.
The outer tube 1 is provided with a liquid outlet hole 11, and the liquid outlet hole 11 on the outer tube 1 is used for washing the stomach lateral wall and the esophagus. The existence of liquid outlet hole 11 on outer tube 1 makes the harmful substance in the adhesion stomach wall or the esophagus can both be washd down, has improved work efficiency and abluent effect.
The pressure control module 3 comprises a pressure control plate 31, a steel wire rope 32, a winding drum 33, a winding motor 34 and an ultrasonic probe 35, and a sliding groove is vertically formed in the outer wall of one end, placed into the stomach, of the inner tube 2; the pressure control plate 31 is arranged on the outer side of the inner pipe 2 through a sliding chute, the pressure control plate 31 can slide along the inner pipe 2 to block the outer pipe 1, and the pressure control plate 31 is used for controlling the flow of the cleaning liquid flowing out of the end part of the outer pipe 1; the steel wire rope 32 is positioned between the outer pipe 1 and the inner pipe 2, and the steel wire rope 32 is used for pulling the movement of the pressure control plate 31; the winding drum 33 is used for winding the steel wire rope 32; the winding motor 34 is used for driving the winding drum 33 to rotate; the ultrasonic probe 35 is arranged on the pressure control plate 31, and the ultrasonic probe 35 is used for detecting the volume change of the stomach. When the ultrasonic probe 35 detects that the volume change in the stomach is too large, the pressure in the stomach is over large at the moment, the winding motor 34 drives the winding drum 33 to rotate, the winding drum 33 winds the steel wire rope 32 on the winding drum 33, the steel wire rope 32 pulls the air compression plate to move towards the end part of the outer tube 1, the flow of cleaning liquid flowing out from the space between the inner tube 1 and the outer tube 1 is reduced, and the bleeding in the stomach is avoided.
The surface of the steel wire rope 32 is provided with an anti-corrosion electroplated layer.
The control box 9 is provided with a speed regulating knob 91, a pressure regulating knob 92 and a mode conversion switch 93, wherein the speed regulating knob 91 is used for regulating the rotating speed of the double-head motor 4; the pressure regulating knob 92 is used for controlling the winding motor 34 to drive the winding drum 33 to work; the mode conversion switch 93 is used for realizing manual and automatic control of the winding drum 33, the winding motor 34 can drive the winding drum 33 to work in an automatic state, and the winding drum 33 is manually rotated in a manual state. When the mode conversion switch 93 is switched to the automatic mode, the winding motor 34 is connected with the winding drum 33, and the winding motor 34 can drive the winding drum 33 to work by rotating the pressure regulating knob 92; when the mode conversion switch 93 is switched to the manual mode, the winding motor 34 is separated from the winding drum 33, and the steel wire rope 32 can be wound on the winding drum 33 by manually rotating the winding drum 33; the speed control knob 91 controls the rotation of the double-headed motor 4, thereby controlling the entry of the cleansing liquid into the stomach.
And a luminol reagent and a light-transmitting spectrum detector are arranged in the recovery bottle 8, the luminol reagent can turn into blue-purple when meeting blood, and the light-transmitting spectrum detector is used for detecting color change in eluate and judging whether gastrorrhagia occurs. When the bleeding amount of the stomach is not large, the color of the eluate is changed by the luminol reagent, and the detected result is fed back to the control box 9 by the light-transmitting spectrum detector, so that the large-area bleeding of the stomach is avoided, and the safety of a patient is ensured.
The specific working process is as follows:
when the device works, the liquid inlet pump 5 injects cleaning liquid into the outer pipe 1 through the liquid inlet to wash the stomach; simultaneously, the liquid pump 6 pumps out the liquid in the stomach through the inner tube 2 and flows into the recovery bottle 8. When the ultrasonic probe 35 detects that the volume change in the stomach is too large, the pressure in the stomach is over large at the moment, the winding motor 34 drives the winding drum 33 to rotate, the winding drum 33 winds the steel wire rope 32 onto the winding drum 33, the steel wire rope 32 pulls the air compression plate to move towards the end part of the outer tube 1, the flow of cleaning liquid flowing out from the space between the inner tube and the outer tube is reduced, and the bleeding in the stomach is avoided.
When the bleeding amount of the stomach is not large, the color of the eluate is changed by the luminol reagent, and the detected result is fed back to the control box 9 by the light-transmitting spectrum detector, so that the large-area bleeding of the stomach is avoided, and the safety of a patient is ensured.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.