CN109731179B - A stabilize pressure equipment for medical treatment first aid blood transfusion, infusion bag - Google Patents
A stabilize pressure equipment for medical treatment first aid blood transfusion, infusion bag Download PDFInfo
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- CN109731179B CN109731179B CN201910169537.3A CN201910169537A CN109731179B CN 109731179 B CN109731179 B CN 109731179B CN 201910169537 A CN201910169537 A CN 201910169537A CN 109731179 B CN109731179 B CN 109731179B
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Abstract
The invention discloses stable pressurizing equipment for medical emergency blood transfusion and infusion bags, which can solve the problems that the traditional pressurizing mode adopts manual operation, the manual operation has large pressure fluctuation and is not beneficial to safe and rapid infusion, the blood transfusion and the infusion are carried out in an operating room and an ICU (intensive care unit) by using gravity or a manual pressurizing bag, the use scene is limited, time and labor are wasted, the infusion pressure fluctuation is large, the operation is troublesome, and the blood bag/liquid bag needs to be bagged for use when in use, and the gas also remains in the bag after the bag is closed, so that the pressure supplementing operation for the blood bag/liquid bag is inaccurate. Including shell, fixation clamp, two pressurization bags, two the pressurization bag is connected respectively in the shell both sides through connecing the plug soon, the pressure relief device is aerifyd through rubber tube coupling in the shell is inside, the rubber tube way includes two cross connecting pipes, two tee bend connecting pipes, two silicone tubes, aerify the monomer that pressure relief device includes a plurality of connections.
Description
Technical Field
The invention relates to the field of medical blood transfusion and infusion pressure, in particular to stable pressurization equipment for medical emergency blood transfusion and infusion bags.
Background
At present, the purpose of quick liquid infusion is realized clinically by mainly adopting a method of improving the suspension height of an infusion bag and manually extruding a soft packaging liquid bag, and a hand-held air bag is mainly used for pressurizing in an emergency operating room in a hospital, so that the pressure is unstable due to the limitation of the hand-held air bag, the flow velocity fluctuation is large, red blood cells can be damaged, and further the rescue is delayed.
When a large amount of blood is lost, the blood must be supplemented quickly, but the maximum natural flow rate of a normal blood transfusion/infusion apparatus cannot meet the requirement of quick infusion, and domestic and foreign medical institutions adopt quick pressurized blood transfusion/infusion to carry out quick volume supplementation for rescuing a large amount of blood lost patients so as to achieve the purpose of rescuing lives. The adopted apparatus is a hand-held balloon to inflate a pressurizing bag, multiple times of extrusion operation are needed, time and labor are wasted, the volume of a blood bag/liquid bag is reduced along with the long time of infusion, the infusion pressure is reduced, personnel are needed to supplement pressure manually, the blood bag and the liquid bag have different sizes of 200mL, 300mL, 500mL, 1000mL, 3000mL and other specifications, the manual operation pressure fluctuation is large, the safe and rapid infusion is not facilitated, the blood transfusion and the infusion use gravity or manual pressurizing bags in an operating room and an ICU, the use scene is limited, time and labor are wasted, the infusion pressure fluctuation is large, the operation is troublesome frequently, and the blood bag/liquid bag needs to be bagged for use when in use, and the bag also has residual gas in the bag after being closed, and the pressure supplementing operation for the blood bag/liquid bag is more inaccurate at the moment.
Disclosure of Invention
The invention aims to provide a stable pressurizing device for medical emergency blood transfusion and transfusion bags, can solve the problems that the adopted apparatus is a hand-held balloon to inflate a pressurizing bag, needs a plurality of times of extrusion operation, wastes time and labor, the blood bag/liquid bag has reduced long time volume along with the infusion, the infusion pressure is reduced, the manual pressure supplement of personnel is needed, the blood bag and the liquid bag have different specifications such as 200mL, 300mL, 500mL, 1000mL, 3000mL and the like, the manual operation pressure fluctuation is large, the safe and rapid infusion is not facilitated, the blood transfusion and the infusion use gravity or the manual pressurizing bag in an operating room and an ICU, the use scene is limited, wastes time and labor, the infusion pressure fluctuation is large, the operation is troublesome, and because the blood bag/liquid bag needs bagging-off use when using, and the bag is inside also remaining gas after the closure, carry out the more inaccurate problem of filling pressure operation to blood bag/liquid bag at this moment again.
The purpose of the invention can be realized by the following technical scheme:
a stable pressurizing device for medical emergency blood transfusion and infusion bags comprises a shell, a fixing clamp and two pressurizing bags, wherein the two pressurizing bags are respectively connected to two sides of the shell through quick-connection plugs, the interior of the shell is connected with an inflating and pressure relieving device through a rubber pipeline, the rubber pipeline comprises two four-way connecting pipes, two three-way connecting pipes and two silicone tubes, the inflating and pressure relieving device comprises a plurality of connected monomers, each monomer comprises two inflator pumps, two electromagnetic valves, two four-way connecting pipes, two three-way connecting pipes, two silicone tubes and two pressure sensors, and the inflator pumps and the electromagnetic valves are electrically connected with a main control circuit board;
a sliding sleeve is sleeved at the top end of the infusion support, a screw is screwed on the side wall of the sliding sleeve, hooks are connected to the outer walls of the two sides of the sliding sleeve respectively, and a pressurizing bag is hung at the bottoms of the two hooks respectively;
the shell is fixed on the top of the base, a display screen is embedded on the outer wall of the front side of the shell, a plurality of operating buttons are installed below the display screen, a fixing clip is arranged on the outer wall of the back side of the shell, a lock nut matched with the fixing clip for use is installed on the fixing clip, a groove which is located on the outer wall of the back side of the shell and matched with an infusion support is arranged below the fixing clip, a main control circuit board is installed inside the shell, the main control circuit board is connected with the display screen and the operating buttons through wires, two inflation pumps are installed on the side wall of the main control circuit board, the bottoms of the two inflation pumps are respectively connected with an independent electromagnetic valve through four-way connecting pipes, the two four-way connecting pipes are respectively connected with quick-connection plugs which are located on the inner walls of the two sides of the shell through an independent silicone tube, and the two quick-connection plugs are respectively connected with a pressurizing bag through a connecting pipe, the middle parts of the two four-way connecting pipes are connected with a three-way connecting pipe, two ends of the two three-way connecting pipes are respectively connected with an independent pressure sensor and an independent air switch, the inner wall of the back side of the shell is also provided with a filter and a switching power supply, and the filter is directly connected with the switching power supply;
the utility model discloses a pressurization bag, including pressurization bag, trachea bottom, sealed region, sucking pump and gasbag, the gauze of pocket form has been made on the pressurization bag lateral wall, just be provided with the decompression stopper on the pressurization bag lateral wall, the inside air pocket that is provided with of pressurization bag, the air pocket bottom is connected with the trachea of inserting it inside, the trachea bottom is connected with the takeover, the inside below of gasbag is provided with one section sealed region, sealed region internally mounted has sucking pump and gasbag, the sucking pump is connected with gasbag, air pocket respectively through two pipes, inserts the inside pipe one end of air pocket is connected with small-size pressure sensor, the small-size power is installed to the sucking pump below, just small-size controller is installed to sucking pump one side.
Preferably, the sliding sleeve is in sliding connection with the infusion support after the screw is loosened, and the shell is fixedly connected with the infusion support through the fixing frame and the groove.
Preferably, the two inflator pumps, the two electromagnetic valves, the two four-way connecting pipes, the two three-way connecting pipes, the two silicone tubes and the two pressure sensors are symmetrically arranged, and a pressurizing bag is arranged between one connected inflator pump, one electromagnetic valve, one four-way connecting pipe, one three-way connecting pipe, one silicone tube and one pressure sensor.
Preferably, the switching power supply is electrically connected with the main control circuit board, the inflator pump, the pressure sensor, the electromagnetic valve and the air switch through a plurality of wires, and the main control circuit board is in wired connection with the inflator pump, the pressure sensor, the electromagnetic valve and the air switch.
Preferably, the small power supply is electrically connected with the suction pump, the small pressure sensor and the small controller through a plurality of wires, and the small controller is in wired connection with the suction pump and the small pressure sensor.
Preferably, four ends of the four-way connecting pipe are respectively and correspondingly connected with the inflator pump, the electromagnetic valve, one end of the three-way connecting pipe and the silicone tube, and three ends of the three-way connecting pipe are respectively and correspondingly connected with one end of the four-way connecting pipe, the pressure sensor and the air switch.
Preferably, the air bag and the sealing area below the air bag are both sealing structures.
Preferably, the working method of the stable pressurizing equipment comprises the following specific steps:
the method comprises the following steps: the air pipe at the bottom of the pressurizing bag is butted with the connecting pipe, the air pressure in the air bag is monitored by the small pressure sensor in real time, after the air pipe is butted with the connecting pipe, the small controller controls the suction pump to be started, the air in the air bag is pumped into the air bag under the coordination of the small pressure sensor monitoring the air pressure in the air bag in real time, the air pressure in the air bag reaches a fixed value, and then the blood bag and the liquid bag which need to be subjected to pressurizing infusion are placed into the gauze;
step two: the switch button is opened, the pressurizing channel is selected to pressurize the inside of the corresponding pressurizing bag, the needed infusion pressure value is set, the inflating button is started, at the moment, the main control circuit board controls the pressurizing instrument to start, the pressure of the gas path detected by the pressure sensor is the air pressure in the air bag of the pressurizing bag, the electromagnetic valve is a normally closed air valve, when the electromagnetic valve circuit is not switched on or switched off, the electromagnetic valve is in a closed state, when the electromagnetic valve circuit is switched on, the electromagnetic valve is opened to deflate, at the moment, the pressure in the gas path, namely the air bag of the pressurizing bag, is reduced, the inflating pump inflates the air bag through the silicone tube and the four-way connecting tube, simultaneously fills the whole gas path with air, the pressure in the gas path, namely the air pressure in the air bag is increased, the air bag of the pressurizing bag is used for inflating, the interval between the air bag and the gauze is changed, thereby achieving the purpose of squeezing the blood bag, the air switch is connected with the silicone tube through an interface of the air switch, the air switch is a closed device, and when the pressure in the air path reaches the action threshold of the inner elastic sheet of the air path, the air switch sends out a signal to prompt the mainboard to generate overpressure prompt.
Step three: when the infusion of the previous blood bag and the previous liquid bag is finished and the new blood bag and the new liquid bag need to be replaced for continuous infusion, the deflation key is operated to quickly release the pressure, the previous blood bag and the previous liquid bag are taken out, the new blood bag and the new liquid bag are placed into the air bag, and the steps are repeated.
The invention has the beneficial effects that: blood bag, infusion bag arranges gauze department in, set for required infusion pressure through the master control circuit board, with pressure sensor control real-time infusion pressure, realize quick inflation with the pump, carry out quick pressure release with the solenoid valve, and set for infusion pressure value in display screen visual display, real-time infusion pressure value, when real-time pressure value exceeds the setting value, through the automatic pressure release of solenoid valve, when being less than the setting value, automatic pressure supplementing, and then evenly extrude the blood bag with constant pressure through the pressurization bag, infusion bag, reach quick blood transfusion, the purpose of infusion, the pressurization is quick, even, moreover, the steam generator is simple in structure, high durability and convenient use, need not artifical manual, the operation is more accurate.
The inflation and pressure relief device comprises two inflation pumps, two electromagnetic valves, two four-way connecting pipes, two three-way connecting pipes, two silicone tubes and two pressure sensors, wherein one inflation pump, one electromagnetic valve, one four-way connecting pipe, one three-way connecting pipe, one silicone tube and one pressure sensor which are connected correspond to one pressurization bag and are used by the pressurization bag, and therefore the left side and the right side can independently set different pressure values to work and set the same pressure value when necessary.
When the infusion of the current blood bag and the liquid bag is finished and the blood bag and the liquid bag which need to be replaced are continuously subjected to rapid constant pressure infusion, the main control panel can be operated to control air release for rapid pressure relief, and the pressure relief plug can be directly opened for pressure relief when subsequent use is not needed, so that the efficiency is improved.
The pressure sensor monitors the pressure change in the air bag and feeds back the pressure change to the main control circuit board in real time, and the main control circuit board controls the inflation and deflation actions and time of the inflator pump and the electromagnetic valve, so that the pressure in the pressurizing bag is kept constant, the constant-pressure rapid blood transfusion, infusion or flushing can be carried out, and the adverse effect of pressure fluctuation in the pressurizing transfusion or flushing process on a patient can be avoided.
Because the gasbag, sucking pump and small-size pressure sensor, the existence of small-size controller, make the inside atmospheric pressure of air pocket can be by small-size pressure sensor real-time supervision, small-size controller can control the sucking pump and start, inside with the inside air suction of air pocket inside the gasbag under the cooperation of small-size pressure sensor real-time supervision inside the air pocket, thereby make the inside atmospheric pressure of parcel reach a fixed value, the pressurization bag of this kind of structure makes its inside atmospheric pressure of air pocket can keep a stable value before using when using, and can be before the pressurization bag uses with the inside gaseous evacuation of air pocket, thereby effectively ensure the accuracy of pressurization appearance when carrying out subsequent pressurization.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the back side of the housing of the present invention;
FIG. 3 is a schematic view of the internal structure of the housing of the present invention;
FIG. 4 is a schematic view of a pressurized bag according to the present invention;
FIG. 5 is a schematic view of the internal structure of the pressurizing bag of the present invention;
in the figure: 1. a transfusion stand; 2. a sliding sleeve; 3. a screw; 4. hooking; 5. a pressurizing bag; 6. a housing; 7. a display screen; 8. an operation button; 9. taking over a pipe; 10. a base; 11. a fixing clip; 12. locking the nut; 13. a groove; 14. a main control circuit board; 15. an inflator pump; 16. a pressure sensor; 17. a four-way connecting pipe; 18. a three-way connecting pipe; 19. an electromagnetic valve; 20. a silicone tube; 21. quickly connecting a plug; 22. an air switch; 23. an air bag; 24. a pressure relief plug; 25. an air tube; 26. a screen; 27. an air bag; 28. a suction pump; 29. a conduit; 30. a miniature pressure sensor; 31. a small power supply; 32. a small-sized controller; 33. a switching power supply; 34. and a filter.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood 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.
Referring to fig. 1-5, the portable air conditioner comprises a shell 6, a fixing clamp 11 and two pressurizing bags 5, and is characterized in that the two pressurizing bags 5 are respectively connected to two sides of the shell 6 through quick-connection plugs 21, the interior of the shell 6 is connected with an inflating and pressure-relieving device through a rubber pipeline, the rubber pipeline comprises two four-way connecting pipes 17, two three-way connecting pipes 18 and two silicone tubes 20, the inflating and pressure-relieving device comprises a plurality of connected single bodies, each single body comprises two inflating pumps 15, two electromagnetic valves 19, two four-way connecting pipes 17, two three-way connecting pipes 18, two silicone tubes 20 and two pressure sensors 16, and the inflating pumps 15 and the electromagnetic valves 19 are electrically connected with a main control circuit board 14;
a sliding sleeve 2 is sleeved at the top end of the infusion support 1, a screw 3 is screwed on the side wall of the sliding sleeve 2, hooks 4 are connected to the outer walls of the two sides of the sliding sleeve 2, and a pressurizing bag 5 is hung at the bottom of each of the two hooks 4;
the shell 6 is fixed on the top of the base 10, the display screen 7 is embedded on the outer wall of the front side of the shell 6, a plurality of operating buttons 8 are arranged below the display screen 7, the outer wall of the back side of the shell 6 is provided with a fixing clip 11, the fixing clip 11 is provided with a lock nut 12 matched with the fixing clip, the lower side of the fixing clip 11 is provided with a groove 13 which is positioned on the outer wall of the back side of the shell 6 and is matched with the infusion support 1, a main control circuit board 14 is arranged inside the shell 6, the main control circuit board 14 is connected with the display screen 7 and the operating buttons 8 through wires, the side wall of the main control circuit board 14 is provided with two air pumps 15, the bottoms of the two air pumps 15 are respectively connected with an independent electromagnetic valve 19 through four-way connecting pipes 17, the two four-way connecting pipes 17 are respectively connected with quick-connection plugs 21 positioned on the inner walls of the two sides of the shell 6 through an independent silicone tube 20, and the two quick-connection plugs 21 are respectively connected with the pressurizing bag 5 through a connecting pipe 9, the middle parts of the two four-way connecting pipes 17 are respectively connected with a three-way connecting pipe 18, two ends of the two three-way connecting pipes 18 are respectively connected with an independent pressure sensor 16 and an independent air switch 22, the inner wall of the back side of the shell 6 is also provided with a filter 34 and a switching power supply 33, and the filter 34 is directly connected with the switching power supply 33;
the side wall of the pressurizing bag 5 is sewn with a bag-shaped gauze 26, the side wall of the pressurizing bag 5 is provided with a pressure relief plug 24, the pressurizing bag 5 is internally provided with an air bag 23, the bottom of the air bag 23 is connected with an air pipe 25 connected into the air bag, the bottom end of the air pipe 25 is connected with the connecting pipe 9, a section of sealing area is arranged below the inner part of the air bag 23, a suction pump 28 and an air bag 27 are arranged in the sealing area, the suction pump 28 is respectively connected with the air bag 27 and the air bag 23 through two guide pipes 29, one end of the guide pipe 29 connected into the air bag 23 is connected with a small pressure sensor 30, a small power supply 31 is arranged below the suction pump 28, and a small controller 32 is arranged on one side of the suction pump 28.
The sliding sleeve 2 is connected with the infusion support 1 in a sliding mode after the screws 3 are loosened, and the shell 6 is fixedly connected with the infusion support 1 through the fixing frame 11 and the groove 13.
Two inflation pumps 15, two electromagnetic valves 19, two four-way connecting pipes 17, two three-way connecting pipes 18, two silicone tubes 20 and two pressure sensors 16 are symmetrically arranged, and a pressurization bag 5 is arranged between one inflation pump 15, one electromagnetic valve 19, one four-way connecting pipe 17, one three-way connecting pipe 18, one silicone tube 20 and one pressure sensor 16 which are connected.
The switch power supply 33 is electrically connected with the main control circuit board 14, the inflator pump 15, the pressure sensor 16, the electromagnetic valve 19 and the air switch 22 through a plurality of leads, and the main control circuit board 14 is in wired connection with the inflator pump 15, the pressure sensor 16, the electromagnetic valve 19 and the air switch 22.
The small-sized power supply 31 is electrically connected with the suction pump 28, the small-sized pressure sensor 30 and the small-sized controller 32 through a plurality of wires, and the small-sized controller 32 is connected with the suction pump 28 and the small-sized pressure sensor 30 through wires.
Four ends of the four-way connecting pipe 17 are respectively and correspondingly connected with the inflator pump 15, the electromagnetic valve 19, one end of the three-way connecting pipe 18 and the silicone tube 20, and three ends of the three-way connecting pipe 18 are respectively and correspondingly connected with one end of the four-way connecting pipe 17, the pressure sensor 16 and the air switch 22.
The air bag 23 and the sealing region below the air bag 23 are both sealing structures.
The working method of the stable pressurizing equipment comprises the following specific steps:
the method comprises the following steps: firstly, an air pipe 25 at the bottom of a pressurizing bag 5 is butted with a connecting pipe 9, the air pressure in an air bag 23 is monitored by a small-sized pressure sensor 30 in real time, after the air pipe 25 is butted with the connecting pipe 9, a small-sized controller 32 controls a suction pump 28 to be started, air in the air bag 23 is pumped into the air bag 27 under the coordination of the small-sized pressure sensor 30 monitoring the air pressure in the air bag 23 in real time, the air pressure in the air bag 23 reaches a fixed value, and then a blood bag and a liquid bag which need to be subjected to pressurizing infusion are placed into a gauze 26;
step two: the switch button is started, the pressurizing channel is selected to pressurize the corresponding pressurizing bag 5, the needed infusion pressure value is set, the inflating button is started, at the moment, the main control circuit board 14 controls the pressurizing instrument to start, the gas path pressure detected by the pressure sensor 16 is the air pressure in the air bag 23 of the pressurizing bag 5, the electromagnetic valve 19 adopts a normally closed air valve, when the circuit of the electromagnetic valve 19 is not conducted or disconnected, the valve of the electromagnetic valve 19 is in a closed state, when the circuit of the electromagnetic valve 19 is conducted, the electromagnetic valve is opened to deflate, at the moment, the gas path pressure, namely the pressure in the air bag 23 of the pressurizing bag 5, is reduced, the inflating pump 15 inflates the air bag 23 through the silicone tube 20 and the four-way connecting tube 17, simultaneously fills the air in the whole gas path, the gas path pressure, namely the air bag 23, is increased, the air bag 23 of the pressurizing bag 5 is used for blowing, and the interval between the air bag 23 and the gauze 26 is changed, the air switch 22 is connected with the silicone tube 20 through an interface of the air switch 22, and is a closed device, when the pressure in the air path reaches the action threshold of an inner elastic sheet, the air switch 22 sends a signal to prompt the mainboard to generate overpressure prompt;
step three: when the infusion of the previous blood bag and the previous liquid bag is finished and the new blood bag and the new liquid bag need to be replaced for continuous infusion, the deflation key is operated to quickly release the pressure, the previous blood bag and the previous liquid bag are taken out, the new blood bag and the new liquid bag are put into the air bag 23, and the steps are repeated.
When the infusion support is used, firstly, the whole device is assembled, the shell 6 is fixed on the infusion support 1 by the fixing frame 11 and the groove 13 and is clamped and firmly fixed, then the quick-connection plug 21 is connected with the connecting pipe 9, the connecting pipe 9 is connected with the air pipe 25 at the bottom of the pressurizing bag 5, the hanging belt of the pressurizing bag 5 is hung on the infusion support 1, the connecting pipe 9 at the bottom of the pressurizing bag 5 is not bent and wound, then a blood bag and a liquid bag to be subjected to pressurizing infusion are placed in the air bag 23, and then the pressurizing bag 5 is hung on the infusion support 1. Then, a power cord of the pressurizer is connected, a plug is connected to 220V mains supply, due to the existence of the air bag 27, the suction pump 28, the small-sized pressure sensor 30 and the small-sized controller 32, the air pressure in the air bag 23 can be monitored by the small-sized pressure sensor 30 in real time, the small-sized controller 32 can control the suction pump 28 to be started 28, the air in the air bag 23 is sucked into the air bag 27 under the coordination of the small-sized pressure sensor 30 monitoring the air pressure in the air bag 23 in real time, so that the air pressure in the air bag 23 reaches a fixed value, the internal air pressure of the pressurizing bag 5 can keep a stable value before the pressurizing bag 5 is used, the internal air can be evacuated before the pressurizing bag 5 is used, the accuracy of the pressurizer in subsequent pressurizing is effectively ensured, at the moment, the switch button is started, the pressurizing channel is selected to pressurize to the inside of the corresponding pressurizing bag 5, setting a required infusion pressure value, starting an inflation button, at the moment, controlling the start of a pressurizer by a main control circuit board 14, wherein the pressure of a gas path detected by a pressure sensor 16 is the air pressure in an air bag 23 of a pressurizing bag 5, a normally closed air valve is adopted by an electromagnetic valve 19, when the circuit of the electromagnetic valve 19 is not conducted or disconnected, the valve of the electromagnetic valve 19 is in a closed state, when the circuit of the electromagnetic valve 19 is conducted, the electromagnetic valve is opened to deflate, at the moment, the air pressure in the gas path, namely the pressure in the air bag 23 of the pressurizing bag 5 is reduced, an inflator 15 inflates the air bag 23 through a silicone tube 20 and a four-way connecting tube 17, simultaneously fills the whole gas path with air, so that the air pressure in the gas path, namely the air pressure in the air bag 23 is increased, the air bag 23 of the pressurizing bag 5 is used for air blowing, the interval between the air bag 23 and a gauze 26 is changed, thereby achieving the purpose of extruding a blood bag, an air switch 22 is connected with the silicone tube 20 through an interface thereof, it is a closed device, and when the pressure in the gas path reaches its internal spring plate action threshold, the air switch 22 sends out a signal to prompt the mainboard to generate overpressure prompt. When the infusion of the previous blood bag and the previous liquid bag is finished and the new blood bag and the new liquid bag need to be replaced for continuous infusion, the deflation key is operated to quickly release the pressure, the previous blood bag/liquid bag is taken out, the new blood bag/liquid bag is put in, and the steps are repeated. The pressure sensor 16 is used for monitoring the pressure change in the pressurizing bag 5 and feeding back the pressure change to the main control circuit board 14 in real time, and the main control circuit board 14 is used for controlling the inflating and deflating actions and time of the inflator pump 15 and the electromagnetic valve 19 so as to keep the pressure in the pressurizing bag 5 constant and carry out constant-pressure rapid blood transfusion, infusion or flushing, thereby avoiding the adverse effect of pressure fluctuation in the pressurizing infusion or flushing process on a patient.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. A stable pressurizing device for medical emergency blood transfusion and transfusion bags comprises a shell (6), a fixing clamp (11) and two pressurizing bags (5), it is characterized in that the two pressurizing bags (5) are respectively connected with the two sides of the shell (6) through quick plugs (21), the interior of the shell (6) is connected with an inflating and pressure relieving device through a rubber pipeline, the rubber pipeline comprises two four-way connecting pipes (17), two three-way connecting pipes (18) and two silicone tubes (20), the inflating and pressure relieving device comprises a plurality of connected monomers, the single body comprises two air pumps (15), two electromagnetic valves (19), two four-way connecting pipes (17), two three-way connecting pipes (18), two silicone tubes (20) and two pressure sensors (16), the inflator pump (15) and the electromagnetic valve (19) are electrically connected with the main control circuit board (14);
a sliding sleeve (2) is sleeved at the top end of the infusion support (1), a screw (3) is screwed on the side wall of the sliding sleeve (2), the outer walls of two sides of the sliding sleeve (2) are respectively connected with a hook (4), and the bottoms of the two hooks (4) are respectively hung with a pressurizing bag (5);
the infusion support is characterized in that the shell (6) is fixed to the top of the base (10), the display screen (7) is embedded on the outer wall of the front face of the shell (6), a plurality of operating buttons (8) are installed below the display screen (7), a fixing clamp (11) is arranged on the outer wall of the back face of the shell (6), a lock nut (12) matched with the fixing clamp (11) in use is installed on the fixing clamp (11), a groove (13) which is located on the outer wall of the back face of the shell (6) and matched with the infusion support (1) is arranged below the fixing clamp (11), a main control circuit board (14) is installed inside the shell (6), the main control circuit board (14) is connected with the display screen (7) and the operating buttons (8) through wires, two inflation pumps (15) are installed on the side wall of the main control circuit board (14), and the bottoms of the inflation pumps (15) are respectively connected with an independent electromagnetic valve (19) through a four-way connecting pipe (17), the two four-way connecting pipes (17) are respectively connected with quick-connection plugs (21) positioned on the inner walls of the two sides of the shell (6) through an independent silicone tube (20), the two quick-connection plugs (21) are respectively connected with the pressurizing bag (5) through a connecting pipe (9), the middle parts of the two four-way connecting pipes (17) are respectively connected with a three-way connecting pipe (18), two ends of the two three-way connecting pipes (18) are respectively connected with an independent pressure sensor (16) and an independent air switch (22), the inner wall of the back side of the shell (6) is further provided with a filter (34) and a switch power supply (33), and the filter (34) is directly connected with the switch power supply (33);
a mesh bag-shaped gauze (26) is sewn on the side wall of the pressurizing bag (5), a pressure relief plug (24) is arranged on the side wall of the pressurizing bag (5), an air bag (23) is arranged in the pressurizing bag (5), the bottom of the air bag (23) is connected with an air pipe (25) which is connected into the air bag, the bottom end of the air pipe (25) is connected with the connecting pipe (9), a section of sealing area is arranged below the inner part of the air bag (23), a suction pump (28) and an air bag (27) are arranged in the sealing area, the suction pump (28) is respectively connected with the air bag (27) and the air bag (23) through two guide pipes (29), one end of the guide pipe (29) connected into the air bag (23) is connected with a small-sized pressure sensor (30), a small power supply (31) is arranged below the suction pump (28), and a small controller (32) is arranged on one side of the suction pump (28);
the switch power supply (33) is electrically connected with the main control circuit board (14), the inflator pump (15), the pressure sensor (16), the electromagnetic valve (19) and the air switch (22) through a plurality of leads, and the main control circuit board (14) is in wired connection with the inflator pump (15), the pressure sensor (16), the electromagnetic valve (19) and the air switch (22);
the small-sized power supply (31) is electrically connected with the suction pump (28), the small-sized pressure sensor (30) and the small-sized controller (32) through a plurality of wires, and the small-sized controller (32) is connected with the suction pump (28) and the small-sized pressure sensor (30) through wires.
2. The stable pressurizing device for medical emergency blood transfusion and infusion bag according to claim 1, wherein the sliding sleeve (2) is slidably connected with the infusion support (1) after the screw (3) is loosened, and the housing (6) is fixedly connected with the infusion support (1) through the fixing clamp (11) and the groove (13).
3. The stable pressurizing device for medical emergency blood transfusion and infusion bag according to claim 1, wherein two inflator pumps (15), two electromagnetic valves (19), two four-way connecting pipes (17), two three-way connecting pipes (18), two silicone tubes (20) and two pressure sensors (16) are symmetrically arranged, and one pressurizing bag (5) is arranged between one connected inflator pump (15), one electromagnetic valve (19), one four-way connecting pipe (17), one three-way connecting pipe (18), one silicone tube (20) and one pressure sensor (16).
4. The stable pressurization equipment for medical emergency blood transfusion and infusion bag according to claim 1, wherein four ends of the four-way connection tube (17) are respectively and correspondingly connected with the inflator pump (15), the solenoid valve (19), one end of the three-way connection tube (18) and the silicone tube (20), and three ends of the three-way connection tube (18) are respectively and correspondingly connected with one end of the four-way connection tube (17), the pressure sensor (16) and the air switch (22).
5. The device according to claim 1, wherein the air bag (23) and the sealing area under the air bag (23) are both sealing structures.
6. The stable pressure equipment for medical emergency blood transfusion and transfusion bag according to claim 1, wherein the working method of the stable pressure equipment comprises the following specific steps:
the method comprises the following steps: firstly, an air pipe (25) at the bottom of a pressurizing bag (5) is butted with a connecting pipe (9), the air pressure in an air bag (23) is monitored by a small-sized pressure sensor (30) in real time, after the air pipe (25) is butted with the connecting pipe (9), a small-sized controller (32) controls a suction pump (28) to be started, the air in the air bag (23) is sucked into an air bag (27) under the coordination of the small-sized pressure sensor (30) monitoring the air pressure in the air bag (23) in real time, so that the air pressure in the air bag (23) reaches a fixed value, and then a blood bag and a liquid bag which need to be subjected to pressurizing infusion are placed into a gauze (26);
step two: the switch button is started, the pressurizing channel is selected to pressurize the inside of the corresponding pressurizing bag (5), the required infusion pressure value is set, the inflating button is started, at the moment, the main control circuit board (14) controls the pressurizing instrument to start, the pressure of the air path detected by the pressure sensor (16) is the air pressure in the air bag (23) of the pressurizing bag (5), the electromagnetic valve (19) adopts a normally closed air valve, when the circuit of the electromagnetic valve (19) is not conducted or disconnected, the valve of the electromagnetic valve (19) is in a closed state, when the circuit of the electromagnetic valve (19) is conducted, the electromagnetic valve is opened to deflate, at the moment, the air pressure in the air path, namely the pressure in the air bag (23) of the pressurizing bag (5), is reduced, the inflating pump (15) inflates the air bag (23) through the silicone tube (20) and the four-way connecting tube (17), and simultaneously fills the air in the whole air path, so that the air pressure in the air path, namely the air bag (23) rises, the air bag (23) of the pressurizing bag (5) is utilized to blow air, so that the interval between the air bag (23) and the gauze (26) is changed, and the aim of extruding the blood bag is fulfilled;
step three: when the infusion of the previous blood bag and the previous liquid bag is finished and the new blood bag and the new liquid bag need to be replaced for continuous infusion, the deflation key is operated to quickly release the pressure, the previous blood bag and the previous liquid bag are taken out, the new blood bag and the new liquid bag are placed into the air bag (23), and the steps are repeated.
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| CN113018550A (en) * | 2021-03-11 | 2021-06-25 | 深圳市人民医院 | Portable heart failure dewatering device |
| CN113768572B (en) * | 2021-03-23 | 2023-08-15 | 中国人民解放军陆军第八十一集团军医院 | Individual soldier protection lifesaving and rescue system |
| CN113769200B (en) * | 2021-09-02 | 2023-05-26 | 安徽省立医院(中国科学技术大学附属第一医院) | Hematopoietic stem cell reinfusion device |
| CN114870155A (en) * | 2022-05-11 | 2022-08-09 | 西安交通大学城市学院 | Infusion device capable of constantly pressurizing for operating room |
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