CN112972792A - Paediatrics negative pressure intelligent control gastric lavage device - Google Patents
Paediatrics negative pressure intelligent control gastric lavage device Download PDFInfo
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- CN112972792A CN112972792A CN202110205759.3A CN202110205759A CN112972792A CN 112972792 A CN112972792 A CN 112972792A CN 202110205759 A CN202110205759 A CN 202110205759A CN 112972792 A CN112972792 A CN 112972792A
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- 230000002496 gastric effect Effects 0.000 title claims abstract description 62
- 238000001514 detection method Methods 0.000 claims abstract description 61
- 238000009434 installation Methods 0.000 claims abstract description 46
- 230000001105 regulatory effect Effects 0.000 claims abstract description 39
- 239000007788 liquid Substances 0.000 claims abstract description 15
- 238000005086 pumping Methods 0.000 claims abstract description 6
- 238000005096 rolling process Methods 0.000 claims description 78
- 238000007789 sealing Methods 0.000 claims description 28
- 238000012545 processing Methods 0.000 claims description 24
- 238000004891 communication Methods 0.000 claims description 14
- 238000005192 partition Methods 0.000 claims description 7
- 230000002457 bidirectional effect Effects 0.000 claims description 6
- 238000005259 measurement Methods 0.000 claims description 2
- 210000000078 claw Anatomy 0.000 claims 1
- 238000003032 molecular docking Methods 0.000 claims 1
- 238000011897 real-time detection Methods 0.000 claims 1
- 210000002784 stomach Anatomy 0.000 abstract description 31
- 238000000034 method Methods 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 4
- 239000000203 mixture Substances 0.000 description 25
- 230000009977 dual effect Effects 0.000 description 6
- 239000012530 fluid Substances 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002574 poison Substances 0.000 description 2
- 231100000614 poison Toxicity 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2210/00—Anatomical parts of the body
- A61M2210/10—Trunk
- A61M2210/1042—Alimentary tract
- A61M2210/1053—Stomach
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Surgical Instruments (AREA)
Abstract
本发明公开了一种儿科负压智能化控制洗胃装置，包括设备安装座，所述设备安装座上安装有定量泵送洗胃液的洗胃液储存箱，以及通过持续生成负压用于抽吸并储存的负压容器，所述设备安装座上安装有通过管道分别与所述洗胃液储存箱或是所述负压容器连通的电磁三通胃管；所述设备安装座上安装有引导所述负压容器安装位置并检测所述负压容器实时参数的容器检测机构，所述设备安装座上安装有与所述负压容器内部连通的负压调节机构，通过在密封容器上连接机械式调压机构，通过对负压密封容器在抽吸的过程中检测容器容纳抽吸物的重量参数来控制机械式调压机构增加压强或是减小压强，以此保障密封负压容器抽吸的效果，并提升胃管在胃部抽吸的舒适度。
The invention discloses a pediatric negative pressure intelligently controlled gastric lavage device, comprising a device mounting seat, a gastric lavage liquid storage tank for quantitatively pumping gastric lavage liquid is installed on the device mounting seat, and a negative pressure is continuously generated for suction The negative pressure container that is stored and stored, the equipment mounting seat is equipped with an electromagnetic three-way gastric tube which is respectively communicated with the gastric lavage liquid storage tank or the negative pressure container through a pipeline; a guide station is installed on the equipment mounting seat. The container detection mechanism for the installation position of the negative pressure container and for detecting the real-time parameters of the negative pressure container. The pressure regulating mechanism controls the mechanical pressure regulating mechanism to increase or decrease the pressure by detecting the weight parameter of the suction object contained in the negative pressure sealed container during the suction process, so as to ensure the suction of the sealed negative pressure container. effect, and improve the comfort of gastric tube suction in the stomach.
Description
Technical Field
The invention relates to the technical field of gastric lavage devices, in particular to a pediatric negative pressure intelligent control gastric lavage device.
Background
The gastric lavage means that liquid with certain components is filled into a gastric cavity, mixed with gastric contents and then pumped out, so that the unabsorbed poison in the stomach is removed repeatedly, and in the process of gastric lavage of children, the gastric lavage device can effectively reduce the absorption of the poison or medicine by matching with a correct and convenient gastric lavage method, thereby not only improving the success rate of rescue, but also reducing the workload and labor intensity of medical care personnel.
The gastric lavage device needs to be matched with the device to generate continuous suction force to sequentially suck undigested mixtures in the stomach of a patient, factors such as the suction speed of the mixtures, the residual amount of the mixtures, the mixture blockage and the like need to be considered in the suction process, and medical staff need to frequently adjust the negative pressure device according to conditions in the actual use process of the gastric lavage device, so that the working strength of the medical staff is high.
And, the negative pressure device of gastric lavage device generally can use the pump body to communicate with stomach tube is direct among the prior art, the mixture in the suction direct suction stomach that produces through the suction pump, and the part that the mixture pollutes in the in-process stomach is more again, consequently need carry out comparatively loaded down with trivial details washing to each part and suction pump after using at every turn, washs the life that can shorten the suction pump greatly many times to can increase the probability that the drawer pump damaged.
Disclosure of Invention
The invention aims to provide a pediatric negative pressure intelligent control gastric lavage device, which solves the problems that medical workers frequently adjust a negative pressure device according to conditions and a suction pump is cleaned for multiple times, so that the service life is greatly shortened.
In order to solve the technical problems, the invention specifically provides the following technical scheme:
a pediatric negative pressure intelligent control gastric lavage device comprises an equipment mounting seat, wherein a gastric lavage liquid storage tank for pumping gastric lavage liquid by a quantitative pump and a negative pressure container for pumping and storing the gastric lavage liquid by continuously generating negative pressure are arranged on the equipment mounting seat, and an electromagnetic three-way gastric tube which is respectively communicated with the gastric lavage liquid storage tank or the negative pressure container through a pipeline is arranged on the equipment mounting seat;
the equipment mounting seat is provided with a container detection mechanism which guides the mounting position of the negative pressure container and detects real-time parameters of the negative pressure container, the equipment mounting seat is provided with a negative pressure adjusting mechanism communicated with the inside of the negative pressure container, and the negative pressure adjusting mechanism is used for pressurizing or decompressing the inside of the negative pressure container by matching with detection signals of the container detection mechanism;
the negative pressure adjusting mechanism is provided with a double pressure relief mechanism which is matched with the negative pressure adjusting mechanism to perform pressurization on the inside of the negative pressure container for micro pressure relief, and the double pressure relief mechanism is matched with the container detection mechanism to perform emergency pressure relief on the inside of the negative pressure container.
As a preferable scheme of the present invention, the container detection mechanism includes a negative pressure container detection mechanism that detects a weight parameter of the negative pressure container in real time, a container rolling and gathering mechanism that positions, rolls, and grips the negative pressure container, a seal snap cover that is installed in cooperation with the negative pressure container and forms a closed space, and a vacuum pump that continuously generates negative pressure inside the negative pressure container.
As a preferable scheme of the present invention, the container rolling and furling mechanism includes an electric control installation box fixedly installed on the equipment installation seat, two sets of elastic rolling clamping jaws symmetrically arranged about a longitudinal central axis of the electric control installation box are installed on the electric control installation box, and a plurality of flexible rolling units arranged at equal intervals are respectively arranged on inner sides of the two sets of elastic rolling clamping jaws for flexibly rolling an outer side of the negative pressure container, and the two sets of elastic rolling clamping jaws guide the negative pressure container to be located at a top end measurement position of the negative pressure container detection mechanism through rolling of the flexible rolling units on the inner sides of the two sets of elastic rolling clamping jaws.
As a preferable scheme of the invention, the inner sides of the elastic rolling clamping jaws are arc structures with radian smaller than that of the outer side of the negative pressure container, the central points of the arc structures at the inner sides of the two elastic rolling clamping jaws are positioned on the central axis of the negative pressure container detection mechanism, the tail ends of the two elastic rolling clamping jaws are hinged through a tail hinging plate which is connected in a rotating way, the inner sides of the two elastic rolling clamping jaws are rotatably connected with an inner side hinge frame for hinge joint, the tail hinge plate is matched with the inner side hinge frame to form a diamond hinge structure which folds or unfolds the two elastic rolling clamping jaws through deformation, a deformation driving screw rod which penetrates through the tail hinged plate and is in threaded connection with the inner side hinged frame is rotationally connected in the electric control installation box, the deformation driving screw controls the two elastic rolling clamping jaws to fold or unfold through bidirectional rotation.
As a preferable scheme of the present invention, the plurality of flexible rolling units are arranged at equal intervals along an arc structure inside the elastic rolling clamping jaw, each flexible rolling unit includes a through hole formed inside the elastic rolling clamping jaw, a horizontal rotating shaft is transversely and rotatably connected to an inner central axis of the through hole, a rigid roller sleeve is rotatably connected to an outer side of the horizontal rotating shaft, a flexible roller outer ring flexibly abutted to an outer side of the negative pressure container is arranged on an outer central axis of the rigid roller sleeve, and the rigid roller sleeve is matched with the flexible roller outer ring to form a spherical structure longitudinally rotating around the outer side of the horizontal rotating shaft.
As a preferred aspect of the present invention, the negative pressure container detection mechanism includes a weight detection device located under the elastic rolling clamping jaw and used for detecting a weight parameter of the negative pressure container, a pressure detection device installed on the sealing fastening cover and used for detecting an internal pressure of the negative pressure container in real time, and a signal processing control device installed inside the electronic control installation box and used for receiving and processing detection parameters of the weight detection device and the pressure detection device to control operation states of the negative pressure adjustment mechanism and the dual pressure relief mechanism, and the signal processing control device is used for controlling an electromagnetic valve of the electromagnetic three-way gastric tube and a switch of the vacuum pump.
As a preferable scheme of the present invention, the negative pressure adjusting mechanism includes a power installation box installed on the electronic control installation box, a piston pressure regulating injector connected with the sealing fastening cover and used for pressurizing or depressurizing the inside of the negative pressure container is fixedly clamped inside the power installation box, and the power installation box is provided with a quantitative push-pull mechanism for receiving the weight parameter measured by the negative pressure container detecting mechanism and controlling the piston pressure regulating injector to perform bidirectional suction.
As a preferable scheme of the present invention, the quantitative push-pull mechanism includes a slider rail mounted at an end of the power installation box, an inner lead screw parallel to the slider rail is rotatably connected inside the slider rail, a push handle engaging slider which slides along a front end surface of the slider rail and engages with a push handle at an end of the piston pressure regulating injector is sleeved outside the inner lead screw through a thread, and a stepping motor which drives the inner lead screw to rotate bidirectionally is mounted inside the power installation box.
As a preferable scheme of the present invention, the dual pressure relief mechanism includes a cover body communication interface installed on the seal fastening cover and communicated with the inside of the negative pressure container, an electromagnetic valve controlled by the signal processing control device and communicated with the cover body communication interface is installed on the cover body communication interface, an output port of the electromagnetic valve is connected with an intake whistle matched with intake air to generate a whistle sound, the electromagnetic valve is electrically connected with a proximity switch sensor installed on the power installation box and used for detecting the push handle clamping slider, and the push handle clamping slider triggers the proximity switch sensor by being close to the power installation box and controls the electromagnetic valve to be communicated with each other.
As a preferable scheme of the present invention, the seal-fastening cover includes a container sealing cover which is in seal-fastening with the top end of the negative pressure container, the inside of the container sealing cover is provided with a cover internal partition plate for partitioning a plurality of regions, the plurality of regions partitioned by the cover internal partition plate on the container sealing cover are respectively used for installing the pressure detection device and the cover body communication interface, and are provided with a plurality of pipeline interfaces for butting the electromagnetic three-way gastric tube, the vacuum pump and the piston pressure-regulating syringe pipeline.
Compared with the prior art, the invention has the following beneficial effects:
(1) the invention uses the vacuum pump to continuously suck in the sealed container, so as to continuously generate negative pressure to match with the stomach tube for sucking, and the sealed container is connected with the mechanical pressure regulating mechanism, and the mechanical pressure regulating mechanism is controlled to increase or decrease the pressure by detecting the weight parameter of the container containing the sucked object in the sucking process of the negative pressure sealed container, so as to ensure the sucking effect of the sealed negative pressure container and improve the sucking comfort of the stomach tube in the stomach;
(2) according to the invention, the vacuum pump is arranged behind the negative pressure container, so that the mixture can not be contacted with the vacuum pump before the negative pressure container is filled with the mixture during pumping, and the frequency for cleaning the vacuum pump is greatly reduced; a double pressure relief mechanism is arranged to classify and relieve the pressure of the negative pressure container, so that the situation that the negative pressure container is filled with the mixture too much to damage the vacuum pump is prevented;
(3) the rolling clamping mechanism is arranged to limit the negative pressure container, so that the negative pressure container can be conveniently clamped, installed or disassembled for cleaning, and the rolling clamping mechanism is used for guiding and rolling the negative pressure container, so that the negative pressure container can be automatically corrected to the optimal side weight position, and the accurate numerical value can be conveniently measured to control the pressurization or the depressurization of the subsequent mechanical pressure regulating mechanism.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
FIG. 1 is an overall elevational view of a gastric lavage device provided in accordance with an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a negative pressure adjusting mechanism according to an embodiment of the present invention.
FIG. 3 is a top view of a container inspection mechanism according to an embodiment of the present invention.
Figure 4 provides an enlarged view of a portion of a flexible roll-on unit according to an embodiment of the present invention.
Fig. 5 is a schematic bottom structure view of the sealing snap cover according to the embodiment of the present invention.
The reference numerals in the drawings denote the following, respectively:
1-equipment mounting seat; 2-a gastric lavage fluid storage tank; 3-a negative pressure container; 4-an electromagnetic three-way stomach tube; 5-a container detection mechanism; 6-a negative pressure regulating mechanism; 7-double pressure relief mechanism;
51-negative pressure container detection means; 52-container rolling and gathering mechanism; 53-sealing snap-on covers; 54-a vacuum pump;
511-weight detecting means; 512-pressure intensity detection device; 513-signal processing control means; 521-an electric control installation box; 522-elastic rolling clamping jaw; 523-flexible rolling unit; 531-container sealing lid; 532-cover inner partition plate; 533-pipe interface;
5221-Tail hinge plate; 5222-medial hinge mount; 5223-deformation drive screw; 5231-a through hole; 5232-horizontal rotating shaft; 5233-rigid roll covers; 5234-flexible roll outer ring;
61-power installation box; 62-piston pressure regulating injector; 63-quantitative push-pull mechanism;
631-a slider track; 632-inner lead screw; 633-pushing the clamping slide block of the handle; 634-a stepper motor;
71-cover body communication interface; 72-solenoid valve; 73-air intake whistle; 74-proximity switch sensor.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 5, the invention provides a pediatric negative pressure intelligent control gastric lavage device, which comprises an equipment mounting seat 1, wherein a gastric lavage fluid storage tank 2 for quantitatively pumping gastric lavage fluid and a negative pressure container 3 for sucking and storing by continuously generating negative pressure are arranged on the equipment mounting seat 1, and an electromagnetic three-way gastric tube 4 which is respectively communicated with the gastric lavage fluid storage tank 2 or the negative pressure container 3 through a pipeline is arranged on the equipment mounting seat 1;
the device mounting seat 1 is provided with a container detection mechanism 5 which guides the mounting position of the negative pressure container 3 and detects real-time parameters of the negative pressure container 3, the device mounting seat 1 is provided with a negative pressure adjusting mechanism 6 communicated with the interior of the negative pressure container 3, and the negative pressure adjusting mechanism 6 is matched with detection signals of the container detection mechanism 5 to pressurize or depressurize the interior of the negative pressure container 3;
the negative pressure adjusting mechanism 6 is provided with a double pressure relief mechanism 7 which is matched with the negative pressure adjusting mechanism 6 to pressurize and slightly relieve the pressure inside the negative pressure container 3, and the double pressure relief mechanism 7 emergently relieves the pressure inside the negative pressure container 3 through the matched container detection mechanism 5.
The invention uses the vacuum pump 54 to continuously suck in the sealed container, so as to continuously generate negative pressure to match with the stomach tube for sucking, and the sealed container is connected with the mechanical pressure regulating mechanism, and the mechanical pressure regulating mechanism is controlled to increase or decrease the pressure by detecting the weight parameter of the container containing the sucked object in the sucking process of the negative pressure sealed container, so as to ensure the sucking effect of the sealed negative pressure container 3 and improve the comfort level of the stomach tube in sucking;
in addition, by adopting the mode that the vacuum pump 54 is arranged behind the negative pressure container 3, the mixture can not be contacted with the vacuum pump 54 before the negative pressure container 3 is filled with the mixture when the mixture is sucked, and the frequency of cleaning the vacuum pump 54 is greatly reduced; a double pressure relief mechanism 7 is arranged to classify and relieve the pressure of the negative pressure container 3, so that the mixture is prevented from filling the negative pressure container 3 too much to damage the vacuum pump 54;
when the negative pressure adjusting mechanism 6 is used for pressurizing and adjusting the negative pressure container 3, the double pressure relief mechanism 7 is matched with the negative pressure adjusting mechanism 6 to accelerate the pressure relief process of the negative pressure container 3, when the storage capacity of the negative pressure container 3 exceeds a set threshold value, the double pressure relief mechanism 7 is used for rapidly and emergently relieving the pressure of the negative pressure container 3, and the problem that excessive mixture is stored in the negative pressure container 3 is effectively solved;
in addition, the rolling clamping mechanism is arranged to limit the negative pressure container 3, so that the negative pressure container 3 can be clamped, installed or disassembled and cleaned conveniently, the rolling clamping mechanism is used for guiding rolling of the negative pressure container 3, the negative pressure container 3 can be automatically corrected to the optimal side weight position, and the pressurization or decompression of the subsequent mechanical pressure regulating mechanism controlled by accurate numerical values can be measured conveniently.
The container detection mechanism 5 comprises a negative pressure container detection mechanism 51 for detecting the weight parameters of the negative pressure container 3 in real time, a container rolling and gathering mechanism 52 for positioning, rolling and clamping the negative pressure container 3, a sealing buckling cover 53 which is matched with the negative pressure container 3 to be installed and forms a closed space, and a vacuum pump 54 for continuously generating negative pressure in the negative pressure container 3.
The container rolling and furling mechanism 52 comprises an electric control installation box 521 fixedly installed on the equipment installation base 1, two groups of elastic rolling clamping jaws 522 symmetrically arranged about a longitudinal central axis of the electric control installation box 521 are installed on the electric control installation box 521, a plurality of flexible rolling units 523 arranged at equal intervals are arranged on the inner sides of the two groups of elastic rolling clamping jaws 522 and used for flexibly rolling the outer side of the negative pressure container 3, and the two groups of elastic rolling clamping jaws 522 guide the negative pressure container 3 to be located at the top end measuring position of the negative pressure container detection mechanism 51 through the rolling of the flexible rolling units 523 on the inner sides of the two groups of.
The inner sides of the elastic rolling clamping jaws 522 are arc structures with radian smaller than that of the outer side of the negative pressure container 3, the central points of the arc structures of the inner sides of the two elastic rolling clamping jaws 522 are positioned on the central axis of the negative pressure container detection mechanism 51, the tail ends of the two elastic rolling clamping jaws 522 are hinged through a tail hinged plate 5221 in a rotating mode, the inner sides of the two elastic rolling clamping jaws 522 are hinged through an inner side hinged frame 5222 in a rotating mode, the tail hinged plate 5221 is matched with the inner side hinged frame 5222 to form a diamond-shaped hinged structure for folding or unfolding the two elastic rolling clamping jaws 522 through deformation, a deformation driving screw 5223 which penetrates through the tail hinged plate 5221 and is in threaded connection with the inner side hinged frame 5222 is rotatably connected in the electric control installation box 521, and the deformation.
The plurality of flexible rolling units 523 are arranged at equal intervals along the arc structures on the inner sides of the elastic rolling clamping jaws 522, each flexible rolling unit 523 comprises a through hole 5231 formed on the inner side of the elastic rolling clamping jaw 522, a horizontal rotating shaft 5232 is transversely and rotatably connected to the central axis of the inner part of the through hole 5231, a rigid roller sleeve 5233 is rotatably connected to the outer side of the horizontal rotating shaft 5232, a flexible roller outer ring 5234 flexibly abutted to the outer side of the negative pressure container 3 is arranged on the central axis of the outer side of the rigid roller sleeve 5233, and the rigid roller sleeve 5233 and the flexible roller outer ring 5234 are integrally formed into a spherical structure longitudinally rotating around the.
The negative pressure container detection mechanism 51 comprises a weight detection device 511 which is positioned under the elastic rolling clamping jaw 522 and detects the weight parameter of the negative pressure container 3, a pressure detection device 512 which is arranged on the sealing buckling cover 53 and is used for detecting the pressure inside the negative pressure container 3 in real time, and a signal processing control device 513 which is arranged inside the electric control installation box 521 and controls the running state of the negative pressure adjusting mechanism 6 and the double pressure relief mechanism 7 by receiving and processing the detection parameters of the weight detection device 511 and the pressure detection device 512, wherein the signal processing control device 513 is used for controlling the electromagnetic valve of the electromagnetic three-way stomach tube 4 and the switch of the vacuum pump 54.
The negative pressure adjusting mechanism 6 comprises a power installation box 61 installed on an electric control installation box 521, a piston pressure regulating injector 62 which is connected with a sealing buckling cover 53 and used for pressurizing or decompressing the inside of the negative pressure container 3 through drawing is fixedly clamped in the power installation box 61, and a quantitative push-pull mechanism 63 is installed on the power installation box 61 to receive the weight parameters measured by the negative pressure container detection mechanism 51 and control the piston pressure regulating injector 62 to perform bidirectional suction.
The quantitative push-pull mechanism 63 comprises a slider rail 631 mounted at the end of the power installation box 61, an inner lead screw 632 parallel to the slider rail 631 is rotatably connected inside the slider rail 631, a push handle clamping slider 633 which slides along the front end face of the slider rail 631 and clamps the end of the piston pressure regulating injector 62 and drives the push handle is sleeved outside the inner lead screw 632 through threads, and a stepping motor 634 which drives the inner lead screw 632 to rotate bidirectionally is mounted inside the power installation box 61.
The double pressure relief mechanism 7 comprises a cover body communication interface 71 which is arranged on the sealing buckling cover 53 and communicated with the inside of the negative pressure container 3, an electromagnetic valve 72 which is controlled by a signal processing control device 513 and communicated with the cover body communication interface 71 is arranged on the cover body communication interface 71, an output port of the electromagnetic valve 72 is connected with an air inlet whistle 73 which is matched with air inlet to generate whistle sound, the electromagnetic valve 72 is electrically connected with a proximity switch sensor 74 which is arranged on the power installation box 61 and used for detecting the pushing handle clamping slide block 633, and the pushing handle clamping slide block 633 triggers the proximity switch sensor 74 through being close to the power installation box 61 and is communicated with the control electromagnetic valve 72.
The sealing and buckling cover 53 comprises a container sealing cover 531 which is in sealing and buckling with the top end of the negative pressure container 3, the inner side of the container sealing cover 531 is provided with a cover inner partition 532 for separating a plurality of areas, the plurality of areas on the container sealing cover 531 separated by the cover inner partition 532 are respectively used for installing a pressure detection device 512 and a cover body communication interface 71, and a plurality of pipeline interfaces 533 for butting pipelines of the electromagnetic three-way stomach tube 4, the vacuum pump 54 and the piston pressure regulating injector 62 are arranged.
When using, medical personnel stretch into patient's stomach tube with electromagnetism three-way stomach tube 4 in the stomach, and the port that later control electromagnetism three-way valve's solenoid valve 72 and gastric lavage liquid bin 2 are connected is opened to the water pump ration suction gastric lavage liquid of control gastric lavage liquid bin 2 pours into patient's stomach into through the stomach tube into, makes the mixture of the gastric lavage liquid of ration and the undigested object in the stomach and formation be convenient for the stomach tube suction.
When a mixture in the stomach of a patient is sucked, the port of the electromagnetic valve 72 of the electromagnetic three-way valve connected with the gastric lavage fluid storage tank 2 is controlled to be closed, the port of the electromagnetic valve 72 connected with the negative pressure container 3 is opened, the negative pressure container 3 is communicated with the gastric tube, then the vacuum pump 54 is controlled to be started, the vacuum pump 54 continuously sucks air from the negative pressure container 3 to form negative pressure, at the moment, the negative pressure container 3 can generate suction force in the stomach of the patient through the gastric tube communicated with the negative pressure container 3 and continuously sucks the air, and the mixture is sucked and then injected into the negative pressure container 3 through the gastric tube and the.
When the mixture is stored in the negative pressure container 3, the weight of the negative pressure container 3 is continuously increased and is directly applied to a weight detection device 511 of a detection mechanism of the negative pressure container 3, the weight of the negative pressure container 3 and the weight increase rate are detected in real time by the weight detection device 511, parameters detected by the weight detection device 511 are transmitted to a signal processing control device 513, the signal processing control device 513 controls a negative pressure adjusting mechanism 6 to pressurize or depressurize the negative pressure container 3 according to set parameter thresholds, and controls a double pressure relief mechanism 7 to emergently relieve the negative pressure container 3, and when the negative pressure container 3 is subjected to the following conditions, a corresponding device is required to perform a series of operations of pressurization, depressurization, auxiliary pressure relief, emergency pressure relief and the like;
the first condition is as follows: when the weight of the negative pressure container 3 reaches a set threshold value, if the negative pressure container 3 still continuously generates negative pressure to suck the mixture, the mixture can be poured into the vacuum pump 54, so that the vacuum pump 54 can be damaged, and at this time, the negative pressure container 3 needs to be stopped to generate negative pressure, therefore, when the signal processing control device 513 receives that the weight detected by the weight detection device 511 is larger than the set threshold value, the signal processing control device 513 controls the vacuum pump 54 to stop running, controls the dual pressure relief mechanism 7 to perform emergency pressure relief on the negative pressure container 3 at the same time until the pressure in the negative pressure container 3 is equal to the outside pressure and the mixture is not sucked again, at this time, the signal processing control device 513 controls the negative pressure adjusting mechanism 6 to pressurize the negative pressure container 3 properly, and finally, the negative pressure container 3 is taken down quickly, and.
When the pressure in the negative pressure container 3 is higher than the outside air, the mixture in the pipeline connecting the electromagnetic three-way gastric tube 4 and the negative pressure container 3 can be pushed back by the air pressure for a certain distance, and then the container sealing cover 531 of the sealing buckling cover 53 is opened, so that the pressure in the negative pressure container 3 is quickly leveled with the outside, therefore, a large amount of mixture can not fall from the pipeline connecting part on the sealing buckling cover 53 when the negative pressure container 3 is subsequently disassembled, and meanwhile, the signal processing control quantitative push-pull mechanism 63 pulls back the piston pressure regulating injector 62 to reset.
When the negative pressure container 3 is disassembled, the negative pressure container 3 is only required to be lifted vertically manually, so that the negative pressure container 3 continuously rises until the negative pressure container 3 is separated from the container rolling and folding mechanism 52, after the negative pressure container 3 is dumped and cleaned quickly, the bottom end of the negative pressure container 3 can be aligned between the two groups of elastic rolling clamping jaws 522 to be quickly installed again, in the process that the negative pressure container 3 rises and falls between the two groups of elastic rolling clamping jaws 522, the negative pressure container stably rises and falls under the action of a plurality of flexible rolling units 523 on the inner sides of the two groups of elastic rolling clamping jaws 522, in addition, the clamping tightness of the two groups of elastic rolling clamping jaws 522 is adjusted through the deformation of a diamond-shaped hinged structure consisting of a driving screw 5223, a tail hinged plate 5221 and an inner hinged frame 5222 through bidirectional rotation deformation, when the two elastic rolling clamping jaws 522 roll the negative pressure container 3 through the, on the other hand, the clamping and fixing effects are realized by elastically clamping the outer side of the negative pressure container 3.
The flexible rolling unit 523 flexibly extrudes the flexible roller outer ring 5234 sleeved outside the rigid roller sleeve 5233 and the outside of the negative pressure container 3, and when the cultured container vertically ascends and descends, the negative pressure container 3 can drive the flexible roller outer ring 5234 and the rigid roller sleeve 5233 to rotate around the horizontal rotating shaft 5232, so that the detection of the weight detection device 511 cannot be excessively influenced by the two groups of elastic rolling clamping jaws 522 when the weight of the subsequent negative pressure container 3 changes.
Case two: when the weight increasing rate of the negative pressure container 3 is greater than the set threshold value, or the pressure detection device 512 detects that the pressure in the negative pressure container 3 is less than the set threshold value, it indicates that the pressure in the negative pressure container 3 is too low, so that the stomach tube generates too high suction force, because the end part of the stomach tube is positioned in the stomach of the infant patient, the too high suction force may aggravate the pain of the infant patient and even damage the stomach, so that the medical care personnel can pressurize the interior of the negative pressure container 3 through the negative pressure adjusting mechanism 6 in the process of reducing the power of the vacuum pump 54, and meanwhile, the pressure in a part of the negative pressure container 3 can be quickly increased by matching with the dual pressure relief mechanism 7 to perform auxiliary pressure relief, so as to reduce the suction strength of the stomach tube in.
The negative pressure regulating mechanism 6 is mainly used for pressurizing or depressurizing the interior of the negative pressure container 3 by making the piston pressure regulating injector 62 perform piston motion in a corresponding direction, when the signal processing control device 513 receives that the weight of the weight detecting device 511 is increased excessively or the pressure detected by the pressure detecting device 512 is decreased excessively, the signal processing control device 513 controls the quantitative push-pull mechanism 63 to push the piston push handle of the piston pressure regulating injector 62, and air is extruded into the negative pressure container 3 through a hose by the piston in the piston pressure regulating injector 62 so as to be pressurized.
In addition, when the quantitative push-pull mechanism 63 operates, the inner lead screw 632 rotates clockwise through the step-by-step electrical connection, the push handle clamping slide block 633 at the end of the push handle of the snap piston pressure regulating injector 62 moves forward along the slide block track 631 until the push handle clamping slide block 633 approaches the power installation box 61, the proximity switch sensor 74 mounted on the power installation box 61 detects the push handle clamping slide block 633 and controls the electromagnetic valve 72 to open, and at this time, the negative pressure container 3 is directly communicated with the outside through the dual pressure relief mechanism 7, so that the outside air enters the negative pressure container 3 through the air inlet whistle 73, the electromagnetic valve 72 and the cover body communication interface 71 in sequence under the action of pressure difference, and the air inlet whistle 73 and the air flow generate a squeal in the process of air suction, thereby attracting the attention of medical personnel.
When the weight detection device 511 detects that the weight increasing value of the negative pressure container 3 is lower than a set threshold value, or the pressure detection device 512 detects that the pressure height in the negative pressure container 3 is a set threshold value, the signal processing control device 513 controls the push-handle clamping slide block 633 of the quantitative push-pull mechanism 63 to reset, the push-pull pressure regulating injector 62 with the piston is pushed and pulled back to the original position, at this time, the proximity switch sensor 74 cannot detect the push-handle clamping slide block 633, the electromagnetic valve 72 is controlled to be closed, and at this time, the external air cannot enter the negative pressure container 3 through the dual pressure relief mechanism 7.
Case three: when the weight increasing rate of the negative pressure container 3 is smaller than the set threshold value, or the pressure detecting device 512 detects that the pressure in the negative pressure container 3 is larger than the set threshold value, it indicates that the pressure in the negative pressure container 3 is too large, which causes the suction force generated by the gastric tube to be too small, thereby reducing the efficiency of sucking the mixture, and when the end portion of the gastric tube is in the stomach of the infant patient for a long time, a great pain is caused to the infant patient, therefore, the pressure in the negative pressure container 3 needs to be reduced in a proper amount, so as to increase the generated suction force and increase the process of sucking the mixture in the.
The stepping motor 634 of the quantitative push-pull mechanism 63 is controlled by the signal processing control device 513 to rotate forwards first, the inner lead screw 632 is connected with the inner lead screw to rotate anticlockwise quickly, the push handle of the piston pressure regulating injector 62 is pulled and pulled quickly by the push handle clamping slide block 633, air in the negative pressure container 3 is pumped into the piston pressure regulating injector 62 through the piston pressure regulating injector 62 in a short time, therefore, a low-pressure environment can be generated in the negative pressure container 3 for a short time, a large suction force is generated in a short time at the end part of the stomach tube, then the stepping motor 634 of the quantitative push-pull mechanism 63 is controlled by the signal processing control device 513 to rotate backwards, the inner lead screw 632 rotates clockwise slowly until the push handles of the push handle clamping slide block 633 and the piston pressure regulating injector 62 are returned slowly, then, the process is repeated, so that the stomach tube can generate.
The above embodiments are only exemplary embodiments of the present application, and are not intended to limit the present application, and the protection scope of the present application is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present application and such modifications and equivalents should also be considered to be within the scope of the present application.
Claims (10)
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Cited By (1)
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| CN114010860A (en) * | 2021-11-08 | 2022-02-08 | 曹胡玲 | Breast feeding measuring instrument based on flow measurement |
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| CN112972792B (en) | 2023-06-06 |
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