CN114870155A - Infusion device capable of constantly pressurizing for operating room - Google Patents

Infusion device capable of constantly pressurizing for operating room Download PDF

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Publication number
CN114870155A
CN114870155A CN202210511159.4A CN202210511159A CN114870155A CN 114870155 A CN114870155 A CN 114870155A CN 202210511159 A CN202210511159 A CN 202210511159A CN 114870155 A CN114870155 A CN 114870155A
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CN
China
Prior art keywords
infusion
bag
pressure
relief valve
pipe body
Prior art date
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Pending
Application number
CN202210511159.4A
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Chinese (zh)
Inventor
王博
缪相林
李升博
贺磊
乔杰
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Xian Jiaotong University City College
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Xian Jiaotong University City College
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xian Jiaotong University City College filed Critical Xian Jiaotong University City College
Priority to CN202210511159.4A priority Critical patent/CN114870155A/en
Publication of CN114870155A publication Critical patent/CN114870155A/en
Pending legal-status Critical Current

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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
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/142—Pressure infusion, e.g. using pumps
    • A61M5/145—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons
    • A61M5/148—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons flexible, e.g. independent bags
    • A61M5/1483—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons flexible, e.g. independent bags using flexible bags externally pressurised by fluid pressure
    • 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
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/1414—Hanging-up devices
    • A61M5/1415—Stands, brackets or the like for supporting infusion accessories
    • 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
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/1414—Hanging-up devices
    • A61M5/1417—Holders or handles for hanging up infusion containers
    • 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
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/142—Pressure infusion, e.g. using pumps
    • A61M5/145—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons
    • A61M5/148—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons flexible, e.g. independent bags
    • A61M5/1483—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons flexible, e.g. independent bags using flexible bags externally pressurised by fluid pressure
    • A61M5/1486—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons flexible, e.g. independent bags using flexible bags externally pressurised by fluid pressure the bags being substantially completely surrounded by fluid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/06—Cooling; Heating; Prevention of freezing
    • F04B39/066—Cooling by ventilation
    • 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
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/142—Pressure infusion, e.g. using pumps
    • A61M2005/14208—Pressure infusion, e.g. using pumps with a programmable infusion control system, characterised by the infusion program
    • 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
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/33—Controlling, regulating or measuring
    • A61M2205/3331—Pressure; Flow
    • 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
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/33—Controlling, regulating or measuring
    • A61M2205/3379—Masses, volumes, levels of fluids in reservoirs, flow rates

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Vascular Medicine (AREA)
  • Anesthesiology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

The invention provides a transfusion device capable of constantly pressurizing for an operating room, which comprises a transfusion pressurizing bag and a circular operation box. According to the invention, after an infusion pressure value is set on the control panel by a person, the control panel is used for controlling the air compressor to be started through the controller, when the pressure sensor detects that the pressure in the infusion pressurization bag exceeds a set pressure value, the controller controls the air compressor to be closed, and simultaneously, the pressure sensor and the second electromagnetic pressure relief valve are started, so that the pressure in the infusion pressurization bag can be conveniently and quickly relieved, when the pressure sensor detects that the pressure in the infusion pressurization bag is lower than the set pressure value, the controller controls the air compressor to be started, and simultaneously, the pressure sensor and the second electromagnetic pressure relief valve are closed, so that automatic pressure compensation is realized, and further, the infusion pressurization bag can uniformly extrude blood bags and infusion bags in the yarn net bag at constant pressure, so that the purposes of quick blood transfusion and infusion are achieved, manual continuous operation is not needed, the operation is accurate, and the operation can be repeatedly used.

Description

Infusion device capable of constantly pressurizing for operating room
Technical Field
The invention relates to the technical field of medical transfusion pressurization bags, in particular to a transfusion device capable of realizing constant pressurization for an operating room.
Background
The transfusion pressurization bag is mainly used for quick pressurization input during blood transfusion and transfusion so as to help bagged liquid such as blood, plasma, cardioplegic fluid and the like to enter a human body as soon as possible, and can also continuously pressurize heparin-containing liquid so as to flush a built-in arterial piezometer tube, so that the transfusion pressurization bag is convenient to use, safe and reliable, and is a necessary product for battlefield, field and clinical emergency treatment;
generally, a blood plasma bag or an infusion bag is arranged in an interlayer of an infusion pressurizing bag, a hanging rope of the blood plasma bag or the infusion bag is strung into a hanging ring belt of the infusion pressurizing bag, then the hanging ring belt is hung on an infusion fixing frame, then the hanging ring belt is inflated by a hand-pinching ball, and gas automatically flows into an air bag of the infusion pressurizing bag through a valve and an air pipe; the infusion quantity can be automatically adjusted by the inflation and pressurization of the infusion pressurization bag; after the transfusion is finished, the air valve is pressed down, the air valve is opened to release air, and the air in the air storage bag is discharged; if the infusion is continued, the actions are repeated, the consumption of manual strength is increased, so that the pressure of the pressurizing bag cannot be accurately adjusted, further, the constant-pressure infusion cannot be carried out, and the device cannot be cooled in an auxiliary manner when a control compressor works, so that the use danger is increased, and the manufacturing cost is increased.
Disclosure of Invention
Accordingly, it is desirable to provide a constantly pressurizable infusion device for an operating room that solves or alleviates the problems of the prior art, and to provide at least one useful alternative.
The technical scheme of the embodiment of the invention is realized as follows: a constantly pressurized infusion device for an operating room comprises an infusion pressurizing bag and a circular operating box, wherein a gauze bag is arranged on the front surface of the infusion pressurizing bag, a medical hose penetrates through the inner side bottom wall of the infusion pressurizing bag, a pressure sensor and a second electromagnetic pressure relief valve are respectively arranged on the inner side bottom wall of the infusion pressurizing bag, an air compressor is arranged on the inner side bottom wall of the circular operating box, a second pipe body is arranged at an air outlet of the air compressor, a one-way valve is arranged at the top end of the second pipe body, a first pipe body is arranged on the upper surface of the one-way valve, the bottom end of the first pipe body penetrates through the inner side top wall of the circular operating box, one end, far away from the infusion pressurizing bag, of the medical hose penetrates through the top end of the first pipe body, a first electromagnetic pressure relief valve penetrates through the outer side wall of the first pipe body, an inclined pipe body penetrates through the inner side wall of the second pipe body, the inside wall of circular control box rotates through the bearing and is connected with the ring plate body, the flabellum is evenly installed to the inside wall of ring plate body, control panel is installed to the lateral wall of circular control box, the controller is installed to the inboard diapire of circular control box.
Further preferably, the lifting rope is arranged on the upper surface of the infusion pressurizing bag, the infusion pressurizing bag is conveniently hung on the hanging rod through the arrangement of the lifting rope, and the flow direction of a blood bag or an infusion bag in the gauze bag is improved.
Further preferably, the lateral wall of circular operation box has a door body through round pin axle is articulated, the handle is installed to the lateral wall of the door body, and through the setting of handle, the personnel of being convenient for assist the door body and remove, make things convenient for personnel to overhaul.
Further preferred, the inside wall of circular control box has inlayed and has connect the filter screen, through the setting of filter screen, can make things convenient for in the outside gas gets into circular control box, can effectively carry out the separation with the dust again.
Further preferably, the outer side wall of the door body is provided with a sub-button, the outer side wall of the circular operation box is provided with a female button, and the door body is conveniently locked and unlocked from the circular operation box through the sub-button and the female button.
Further preferably, the circular operation box, the second pipe body and the first pipe body are made of ABS plastic.
Further preferably, the signal output end of the control panel is electrically connected to the signal input end of the controller through a wire, the electrical output end of the controller is electrically connected to the first electromagnetic pressure release valve, the air compressor and the electrical input end of the second electromagnetic pressure release valve through wires, the signal input end of the controller is electrically connected to the signal output end of the first electromagnetic pressure release valve through a wire, and the electrical input end of the control panel is connected to the external mains supply.
Due to the adoption of the technical scheme, the embodiment of the invention has the following advantages:
firstly, after an infusion pressure value is set on a control panel by a person, the control panel is used for controlling an air compressor to be started through a controller, when a pressure sensor detects that the pressure in an infusion pressurizing bag exceeds a set pressure value, the controller controls the air compressor to be closed, meanwhile, the pressure sensor and a second electromagnetic pressure relief valve are started, the pressure in the infusion pressurizing bag can be conveniently and quickly relieved, when the pressure sensor detects that the pressure in the infusion pressurizing bag is lower than the set pressure value, the controller controls the air compressor to be started, meanwhile, the pressure sensor and the second electromagnetic pressure relief valve are closed, automatic pressure supplement is achieved, further, the infusion pressurizing bag can evenly extrude a blood bag and an infusion bag in a gauze bag at constant pressure, the purposes of quick blood transfusion and infusion are achieved, continuous manual operation is not needed, operation is accurate, and the operation is reusable.
The gas in the second pipe body is transmitted to the fan blades through the inclined pipe body, and the fan blades are pushed to rotate by the gas, so that the gas in the circular operation box can flow conveniently, the heat dissipation performance of the work in the circular operation box is improved, the working stability of the air compressor, the controller and the first electromagnetic pressure release valve is ensured, the manufacturing cost of the device is reduced, and the use safety is improved.
The foregoing summary is provided for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present invention will be readily apparent by reference to the drawings and following detailed description.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments or technical descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is an internal structural view of the present invention;
FIG. 2 is a view showing the internal structure of the pressurizing infusion bag according to the present invention;
FIG. 3 is a view showing the inner structure of the circular operation box of the present invention;
FIG. 4 is a block diagram of the present invention;
FIG. 5 is an enlarged structural view of the area A of FIG. 4 according to the present invention;
fig. 6 is a rear view structural view of the present invention.
Reference numerals: 1. a transfusion pressurizing bag; 2. a circular operation box; 3. a gauze bag; 4. a lifting rope; 5. a medical hose; 6. a first pipe body; 7. a first electromagnetic relief valve; 8. a one-way valve; 9. a second tube body; 10. an air compressor; 11. a filter screen; 12. a controller; 13. a circular plate body; 14. a fan blade; 15. a control panel; 16. a door body; 17. a pressure sensor; 18. a second electromagnetic relief valve; 19. inclining the pipe body; 20. a handle; 21. a sub-buckle; 22. and (4) a female buckle.
Detailed Description
In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1-6, an embodiment of the present invention provides a constant-pressurization infusion apparatus for an operating room, including an infusion pressurization bag 1 and a circular operating box 2, a gauze bag 3 is installed on a front surface of the infusion pressurization bag 1, a medical hose 5 penetrates through an inner bottom wall of the infusion pressurization bag 1, a pressure sensor 17 and a second electromagnetic relief valve 18 are respectively installed on the inner bottom wall of the infusion pressurization bag 1, an air compressor 10 is installed on the inner bottom wall of the circular operating box 2, a second tube 9 is installed at an air outlet of the air compressor 10, a check valve 8 is installed at a top end of the second tube 9, a first tube 6 is installed on an upper surface of the check valve 8, a bottom end of the first tube 6 penetrates through an inner top wall of the circular operating box 2, an end of the medical hose 5 far from the infusion pressurization bag 1 penetrates through a top end of the first tube 6, a first electromagnetic relief valve 7 penetrates through an outer side wall of the first tube 6, the inside wall of second body 9 runs through there is slope body 19, and the inside wall of circular operation case 2 rotates through the bearing and is connected with ring plate body 13, and flabellum 14 is evenly installed to the inside wall of ring plate body 13, and control panel 15 is installed to the lateral wall of circular operation case 2, and controller 12 is installed to the inboard diapire of circular operation case 2.
In one embodiment, the lifting rope 4 is arranged on the upper surface of the infusion pressurizing bag 1, and the infusion pressurizing bag 1 can be conveniently hung on the hanging rod through the arrangement of the lifting rope 4, so that the flow direction of a blood bag or an infusion bag in the gauze bag 3 is improved.
In one embodiment, the lateral wall of circular operation box 2 is articulated to have a door body 16 through the round pin axle, and handle 20 is installed to the lateral wall of door body 16, and through the setting of handle 20, the personnel of being convenient for assist door body 16 to remove, make things convenient for personnel to overhaul.
In one embodiment, the inner side wall of the circular operation box 2 is embedded with the filter screen 11, and through the arrangement of the filter screen 11, external air can conveniently enter the circular operation box 2, and dust can be effectively blocked.
In one embodiment, the outer side wall of the door body 16 is provided with the male buckle 21, the outer side wall of the circular operation box 2 is provided with the female buckle 22, and the door body 16 is conveniently locked and unlocked from the circular operation box 2 through the arrangement of the male buckle 21 and the female buckle 22.
In one embodiment, the circular operating box 2, the second tube 9 and the first tube 6 are made of ABS plastic.
In one embodiment, the signal output end of the control panel 15 is electrically connected to the signal input end of the controller 12 through a wire, the electrical output end of the controller 12 is electrically connected to the electrical input ends of the first electromagnetic pressure relief valve 7, the air compressor 10 and the second electromagnetic pressure relief valve 18 through wires, the signal input end of the controller 12 is electrically connected to the signal output end of the first electromagnetic pressure relief valve 7 through a wire, and the electrical input end of the control panel 15 is connected to the external commercial power.
The invention is in operation: a person places a blood bag or an infusion bag into the gauze bag 3, the person operates the control panel 15 to set an infusion pressure value in the infusion pressurization bag 1, the control panel 15 transmits a working signal into the controller 12, the controller 12 controls the air compressor 10 to be started, the first electromagnetic pressure relief valve 7 and the second electromagnetic pressure relief valve 18 are in a closed state, then gas is transmitted into the first pipe body 6 through the second pipe body 9 and the check valve 8, the check valve 8 is used for preventing gas in the first pipe body 6 from flowing backwards, the air tightness in the infusion pressurization bag 1 is improved, when the pressure sensor 17 detects that the pressure in the infusion pressurization bag 1 exceeds a set pressure value, the controller 12 controls the air compressor 10 to be closed, meanwhile, the pressure sensor 17 and the second electromagnetic pressure relief valve 18 are opened, the pressure in the infusion pressurization bag 1 is conveniently and quickly relieved, when the pressure sensor 17 detects that the pressure in the infusion pressurization bag 1 is lower than the set pressure value, when the controller 12 controls the air compressor 10 to be opened, the pressure sensor 17 and the second electromagnetic pressure relief valve 18 are closed to realize automatic pressure compensation, so that the transfusion pressurization bag 1 can uniformly extrude a blood bag and a transfusion bag in the gauze bag 3 at a constant pressure to achieve the purpose of rapid blood transfusion and transfusion, when the transfusion pressurization bag 1 is automatically pressurized and depressurized, gas in the second pipe body 9 is transmitted to the fan blades 14 through the inclined pipe body 19, the fan blades 14 drive the circular plate body 13 to rotate, then the gas pushes the fan blades 14 and the circular plate body 13 to rotate, so that the gas in the circular operation box 2 can conveniently flow, the heat dissipation performance of the internal work of the circular operation box 2 is improved, when the internal part of the circular operation box 2 needs to be overhauled, only the sub-button 21 needs to be taken out of the female button 22, the handle 20 is held by hand to drive the door body 16 to be opened from the circular operation box 2, the maintenance is convenient for personnel.
The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive various changes or substitutions within the technical scope of the present invention, and these should be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims (7)

1. A constantly pressurizable infusion device for operating rooms comprises an infusion pressurizing bag (1) and a circular operating box (2), and is characterized in that: the front surface of the infusion pressurizing bag (1) is provided with a gauze bag (3), the inner side bottom wall of the infusion pressurizing bag (1) penetrates through a medical hose (5), the inner side bottom wall of the infusion pressurizing bag (1) is provided with a pressure sensor (17) and a second electromagnetic pressure relief valve (18) respectively, the inner side bottom wall of the circular operation box (2) is provided with an air compressor (10), the air outlet of the air compressor (10) is provided with a second pipe body (9), the top end of the second pipe body (9) is provided with a check valve (8), the upper surface of the check valve (8) is provided with a first pipe body (6), the bottom end of the first pipe body (6) penetrates through the inner side top wall of the circular operation box (2), the medical hose (5) is far away from one end of the infusion pressurizing bag (1) and penetrates through the top end of the first pipe body (6), the lateral wall of first body (6) runs through and has first electromagnetic relief valve (7), the inside wall of second body (9) runs through and has slope body (19), the inside wall of circular operation case (2) is rotated through the bearing and is connected with ring plate body (13), flabellum (14) are evenly installed to the inside wall of ring plate body (13), control panel (15) are installed to the lateral wall of circular operation case (2), controller (12) are installed to the inboard diapire of circular operation case (2).
2. The operating room constantly pressurizable infusion device of claim 1, wherein: the upper surface of the transfusion pressurization bag (1) is provided with a lifting rope (4).
3. The constantly pressurizable infusion device for an operating room of claim 1, wherein: the outer side wall of the round operating box (2) is hinged with a door body (16) through a pin shaft, and a handle (20) is installed on the outer side wall of the door body (16).
4. The operating room constantly pressurizable infusion device of claim 1, wherein: the inner side wall of the circular operation box (2) is embedded with a filter screen (11).
5. The operating room constantly pressurizable infusion device of claim 3, wherein: the outer side wall of the door body (16) is provided with a male buckle (21), and the outer side wall of the circular operation box (2) is provided with a female buckle (22).
6. The operating room constantly pressurizable infusion device of claim 1, wherein: the circular operation box (2), the second pipe body (9) and the first pipe body (6) are made of ABS plastic.
7. The operating room constantly pressurizable infusion device of claim 1, wherein: the signal output end of the control panel (15) is electrically connected with the signal input end of the controller (12) through a lead, the electrical output end of the controller (12) is electrically connected with the first electromagnetic pressure relief valve (7), the air compressor (10) and the electrical input end of the second electromagnetic pressure relief valve (18) through leads, the signal input end of the controller (12) is electrically connected with the signal output end of the first electromagnetic pressure relief valve (7) through a lead, and the electrical input end of the control panel (15) is connected with the external mains supply.
CN202210511159.4A 2022-05-11 2022-05-11 Infusion device capable of constantly pressurizing for operating room Pending CN114870155A (en)

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CN203201744U (en) * 2013-04-11 2013-09-18 厦门金研工贸有限公司 Fast inflating pump
CN203611640U (en) * 2013-11-29 2014-05-28 北汽福田汽车股份有限公司 Heat-dissipation wheel and automobile
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Application publication date: 20220809