CN116549783A - Bubble injection preventing connecting device under ultrasonic guidance - Google Patents

Bubble injection preventing connecting device under ultrasonic guidance Download PDF

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Publication number
CN116549783A
CN116549783A CN202310503072.7A CN202310503072A CN116549783A CN 116549783 A CN116549783 A CN 116549783A CN 202310503072 A CN202310503072 A CN 202310503072A CN 116549783 A CN116549783 A CN 116549783A
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CN
China
Prior art keywords
cavity
bubble
liquid
pressing plate
bubble removing
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Granted
Application number
CN202310503072.7A
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Chinese (zh)
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CN116549783B (en
Inventor
彭丽丽
于明安
魏莹
赵朕龙
李琳
闫岩
朱瑞芳
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China Japan Friendship Hospital
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China Japan Friendship Hospital
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Priority to CN202310503072.7A priority Critical patent/CN116549783B/en
Publication of CN116549783A publication Critical patent/CN116549783A/en
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Publication of CN116549783B publication Critical patent/CN116549783B/en
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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/36Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests with means for eliminating or preventing injection or infusion of air into body
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/168Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
    • A61M5/16804Flow controllers
    • A61M5/16813Flow controllers by controlling the degree of opening of the flow line
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/44Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests having means for cooling or heating the devices or media
    • A61M5/445Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests having means for cooling or heating the devices or media the media being heated in the reservoir, e.g. warming bloodbags
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M2205/00General characteristics of the apparatus
    • A61M2205/33Controlling, regulating or measuring
    • A61M2205/3331Pressure; Flow
    • A61M2205/3334Measuring or controlling the flow rate
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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

Abstract

The invention provides an anti-bubble injection connecting device under ultrasonic guidance, belonging to the technical field of medical appliances; the infusion device comprises a first infusion tube, wherein the first infusion tube is connected with an injector, one side of the first infusion tube is communicated with a first bubble removing cavity, the inside of the first bubble removing cavity is used for primarily removing bubbles of liquid in the injector, and one side of the first bubble removing cavity is communicated with a second bubble removing cavity. According to the invention, when liquid is quickly pushed into the heating cavity through the second bubble removing cavity, the generated liquid impact falls into one group of membranous structures at the outermost side of the double-membrane piece to buffer, the other group of membranous structures slow flow the liquid, the membranous holes of the multiple groups of membranous structures are arranged in a staggered and variable-diameter manner, the liquid flow velocity is gradually reduced at the moment when the diameter of one group of membranous holes of the double-membrane piece is small, the liquid flow flows in an inclined manner along one group of membranous holes of the double-membrane piece, and the generation of bubbles is further inhibited through the intervention of multiple groups of double-membrane pieces while the fluid velocity is slowed down.

Description

Bubble injection preventing connecting device under ultrasonic guidance
Technical Field
The invention relates to the technical field of medical equipment, in particular to an anti-bubble injection connecting device under ultrasonic guidance.
Background
The ultrasonic diagnosis is a diagnosis method which applies ultrasonic detection technology to human body, finds diseases by measuring and knowing data and morphology of physiological or tissue structure, and gives prompts, the ultrasonic diagnosis is a noninvasive, painless, convenient and visual effective examination means, especially B ultrasonic, has wide application and great influence, and is an imaging technology of X-ray, CT and magnetic resonance and called as 4-big medical imaging, and in the treatment process based on ultrasonic guidance, the pathological change part of a patient needs to be injected with medicine liquid corresponding to treatment through an injector.
When the infusion is just started and the liquid medicine enters the infusion tube, because the liquid medicine is subjected to the double influences of gravity and pressure, a gas-liquid mixture of gas and the liquid medicine is extremely easy to form, the gas-liquid mixture can quickly and simultaneously enter the infusion tube below the dropping funnel to form a bubble phenomenon during the infusion, meanwhile, because tiny bubbles in the lower infusion tube have surface tension, the tiny bubbles can be adsorbed on the inner wall of the lower infusion tube in the infusion process, the generated bubbles are difficult to remove, and the bubbles have the danger of entering a patient in the infusion process, so that the harm of a patient air plug is caused by the bubbles.
Therefore, before transfusion, medical staff must close the regulator first, after a certain amount of liquid medicine is filled in the transfusion tube, the regulator is slowly opened again, so that the generation of bubbles is reduced, the mode is more tedious and time-consuming to the exhausting process, the air in the transfusion device is not easy to exhaust, the poor stability of the flow velocity of the liquid medicine which is led to the body of a patient causes damage to the vein of the patient, and emergency transfusion and rescuing serious danger patients are not facilitated.
Accordingly, the present application provides a connection device that is ultrasonically guided to prevent air bubbles from being injected into the connection device to meet the need.
Disclosure of Invention
The invention aims to solve the technical problem of providing an anti-bubble injection connecting device under ultrasonic guidance so as to solve the problems that the existing manual air exhaust process is complicated, a small amount of residual air is in an infusion apparatus, and the flow rate stability of the liquid medicine inserted into the body of a patient is poor, so that the vein of the patient is damaged.
In order to solve the technical problems, the invention provides the following technical scheme:
an ultrasound-guided bubble-resistant connection device, comprising: the first transfer line, the syringe is connected to the first transfer line, one side intercommunication of first transfer line has first bubble removal cavity, the inside of first bubble removal cavity is to the primary bubble removal of liquid in the syringe, one side intercommunication of first bubble removal cavity has the second bubble removal cavity, the inside of second bubble removal cavity is to the secondary bubble removal of primary bubble removal liquid, one side intercommunication of second bubble removal cavity has the heating cavity, the inside of heating cavity is to the liquid heating after the bubble removal to through the gas outlet gassing, one side intercommunication of heating cavity has second transfer line and syringe needle, flow restriction subassembly and the slip cavity that is used for restricting and/or damming are installed to one side of second transfer line.
Preferably, a shunt body is installed at the communication position of the inner cavity of the first bubble removing cavity and the inner cavity of the first infusion tube, one side of the shunt body is attached to the communication position of the inner cavity of the first infusion tube and the inner cavity of the first bubble removing cavity, shunt grooves are uniformly formed in the inclined surfaces of the shunt bodies, and cutting knives are uniformly arranged in the shunt grooves in a unidirectional mode.
Preferably, an insulator is fixed at the communication position of the inner cavity of the first bubble removing cavity and the second bubble removing cavity, the insulator is vertically arranged opposite to the split flow body, the two sides of the insulator are respectively provided with a first split liquid groove, the surface of the insulator is provided with a second split liquid groove, and the second split liquid groove is communicated with the first split liquid groove.
Preferably, the heating plate is installed on the inner side wall of the heating cavity, the plug wire terminal is installed on the outer side of the heating cavity, the double-film piece is fixed in the insulator, the double-film piece is of a multi-group vertical film structure, and the film holes are staggered and are arranged in a variable diameter mode.
Preferably, one side of the heating cavity is in a conical structure, and the inner cavity of the air outlet is communicated with the inner cavity of the heating cavity.
Preferably, the second infusion tube is fixed in the inside of sliding cavity, the flow limiting assembly includes first mounting bracket, back-up pin, second mounting bracket and rotary rod, one side joint of first mounting bracket in one side of sliding cavity, the second mounting bracket with first mounting bracket joint installation, the back-up pin rotate install in between first mounting bracket and second mounting bracket one side.
Preferably, a U-shaped groove is formed between the other sides of the first mounting frame and the second mounting frame, the rotating rod penetrates through the U-shaped groove and rotates to one side of the U-shaped groove, and a ladder-shaped block is fixed to one side of the rotating rod.
Preferably, a first pressing plate and a second pressing plate are movably mounted on one side of the supporting pin shaft respectively, the first pressing plate and the second pressing plate are coaxially arranged, and elastic rods are fixed on one sides of the first pressing plate and the second pressing plate respectively.
Preferably, grooves are formed in one side of the first pressing plate and one side of the second pressing plate respectively, and sliding blocks are slidably mounted in the grooves.
Preferably, the diameter of the sliding block is larger than or equal to the diameter of a groove on one side of the first pressing plate and the second pressing plate.
Compared with the prior art, the invention has at least the following beneficial effects:
in the above scheme, when the liquid is arranged to flow through the inside of the shunt groove in a contact way, the position of the extension start of the flowing substance (whether air or water) is cut through the cutter, so that the liquid or the air bubble cannot collapse into a sphere, the shunt groove is arranged to delay the flowing time of the liquid, and the cutter plays a better segmentation role on the liquid or the air bubble, so that the primary bubble removing operation is performed on the air bubble.
The pressure of the liquid entering the first liquid dividing groove, the second liquid dividing groove, the isolating body and the second bubble removing cavity is increased by setting the compressed air pressure generated by the pushing pressure of the injector in the first bubble removing cavity to act on the liquid level in the isolating body, the pressure of the liquid entering the first liquid dividing groove, the second liquid dividing groove, the isolating body and the second bubble removing cavity is increased, and the liquid in the first bubble removing cavity can quickly enter the inside of the first liquid dividing groove and the second liquid dividing groove by matching with the gap between the first bubble removing cavity and the second bubble removing cavity, so that the air pressure generated by the pushing pressure of the injector in the first bubble removing cavity acts on the liquid level in the isolating body, the pressure of the first liquid dividing groove, the second liquid dividing groove, the isolating body and the second bubble removing cavity, and the pressure of the gaps between the first bubble removing cavity and the second bubble removing cavity are gradually increased, and the gaps between the first bubble removing cavity and the second bubble removing cavity are quickly flowed into the other side of the inner cavity by the second bubble removing cavity by the side of the second bubble removing cavity, the liquid is accelerated to prevent the residual air from being generated, and the air from being discharged into the air outlet is effectively prevented from being heated when the air is pushed into the inner cavity, and the air is further prevented from being heated.
When the liquid is quickly pushed into the heating cavity through the second bubble removal cavity, the generated liquid impact falls into a group of membranous structures at the outermost side of the double-membrane piece to buffer the liquid, the other group of membranous structures slowly flow the liquid, the membrane holes of the multiple groups of membranous structures are arranged in a staggered reducing mode, the liquid flow velocity gradually decreases when the diameter of one group of membrane holes of the double-membrane piece is small, the liquid flow flows into the double-membrane piece in an inclined mode along one group of large-diameter membrane holes of the double-membrane piece, the fluid velocity is slowed down, meanwhile, the generation of bubbles is further inhibited through the intervention of multiple groups of double-membrane pieces, the functions of automatically removing bubbles and preventing bubbles are achieved, the problems that the exhausting process is complicated and time-consuming, air in the infusion apparatus is not easy to discharge, and the liquid medicine is caused to cause damage to veins of a patient due to poor flow velocity stability in the body of the patient are effectively solved.
Drawings
The accompanying drawings, which are incorporated herein and form a part of the specification, illustrate embodiments of the present disclosure and, together with the description, further serve to explain the principles of the disclosure and to enable a person skilled in the pertinent art to make and use the disclosure.
FIG. 1 is a schematic view of the overall three-dimensional structure of an anti-bubble injection connection device under ultrasonic guidance;
FIG. 2 is a schematic view of a three-dimensional enlarged structure of a cross section of a first bubble removing cavity;
FIG. 3 is a schematic view of the enlarged perspective structure at A in FIG. 2;
FIG. 4 is a schematic view of an enlarged structure of the first infusion tube, the first bubble removing cavity and the insulator thereof;
fig. 5 is a schematic view of a three-dimensional enlarged structure of a fluid separation body, a shunt groove and a cutter assembly thereof;
FIG. 6 is a schematic view of an assembled three-dimensional enlarged structure of a heating plate, a double-film member and a heating cavity thereof;
FIG. 7 is a schematic view of an enlarged perspective assembly structure of the insulator, the first liquid dividing tank and the second liquid dividing tank;
fig. 8 is a schematic diagram of a three-dimensional enlarged structure of the restriction flow component.
[ reference numerals ]
1. A first infusion tube; 2. a first bubble removal cavity; 3. a second bubble removal cavity; 4. a heating cavity; 5. an air outlet; 6. a sliding cavity; 7. a flow restricting assembly; 8. a needle; 9. a split flow; 10. a shunt channel; 11. a cutting knife; 12. a heating sheet; 13. a double membrane; 14. an insulator; 15. a first liquid separation tank; 16. a second liquid separation tank; 71. a first mounting frame; 72. a support pin; 73. a second mounting frame; 74. a rotating rod; 75. ladder-shaped blocks; 76. a first platen; 77. a second pressing plate; 78. a slide block; 79. an elastic rod.
While particular structures and devices are shown in the drawings to enable a clear implementation of embodiments of the invention, this is for illustrative purposes only and is not intended to limit the invention to the particular structures, devices and environments, which may be modified or adapted by those of ordinary skill in the art, as desired, and which remain within the scope of the appended claims.
Detailed Description
The present invention provides a device for preventing air bubbles from being injected into a connection device under ultrasonic guidance, which is described in detail below with reference to the accompanying drawings and the specific embodiments. While the invention has been described herein in terms of the preferred and preferred embodiments, the following embodiments are intended to be more illustrative, and may be implemented in many alternative ways as will occur to those of skill in the art; and the accompanying drawings are only for the purpose of describing the embodiments more specifically and are not intended to limit the invention specifically.
It should be noted that references in the specification to "one embodiment," "an example embodiment," "some embodiments," etc., indicate that the embodiment described may include a particular feature, structure, or characteristic, but every embodiment may not necessarily include the particular feature, structure, or characteristic. Further, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is submitted that it is within the knowledge of one skilled in the relevant art to effect such feature, structure, or characteristic in connection with other embodiments whether or not explicitly described.
Generally, the terminology may be understood, at least in part, from the use of context. For example, the term "one or more" as used herein may be used to describe any feature, structure, or characteristic in a singular sense, or may be used to describe a combination of features, structures, or characteristics in a plural sense, depending at least in part on the context. In addition, the term "based on" may be understood as not necessarily intended to convey an exclusive set of factors, but may instead, depending at least in part on the context, allow for other factors that are not necessarily explicitly described.
It will be understood that the meanings of "on … …", "over … …" and "over … …" in this disclosure should be interpreted in the broadest sense so that "on … …" means not only "directly on" but also includes meaning "directly on" something with intervening features or layers therebetween, and "over … …" or "over … …" means not only "on" or "over" something, but also may include its meaning "on" or "over" something without intervening features or layers therebetween.
Furthermore, spatially relative terms such as "under …," "under …," "lower," "above …," "upper," and the like may be used herein for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. The device may be otherwise oriented and the spatially relative descriptors used herein may similarly be interpreted accordingly.
As shown in fig. 1, an embodiment of the present invention provides an air bubble injection preventing connection device under ultrasonic guidance, including: the first infusion tube 1, the syringe is connected to first infusion tube 1, the one side intercommunication of first infusion tube 1 has first bubble removal cavity 2, the inside of first bubble removal cavity 2 removes the bubble to the liquid primary in the syringe, the one side intercommunication of first bubble removal cavity 2 has second bubble removal cavity 3, the inside of second bubble removal cavity 3 removes the bubble to the liquid secondary of primary bubble removal, the one side intercommunication of second bubble removal cavity 3 has heating cavity 4, the inside of heating cavity 4 heats the liquid after removing the bubble, and gassing through gas outlet 5, one side intercommunication of heating cavity 4 has second infusion tube and syringe needle 8, the restriction subassembly 7 and the slip cavity 6 that are used for restricting and/or closure are installed to one side of second infusion tube.
In this embodiment, as shown in fig. 2 to 5, a split-flow body 9 is installed at the connection position between the inner cavity of the first bubble removal cavity 2 and the inner cavity of the first infusion tube 1, one side of the split-flow body 9 is attached to the connection position between the first infusion tube 1 and the inner cavity of the first bubble removal cavity 2, the surface of the split-flow body 9 is uniformly provided with a splitter box 10 in an inclined manner, the inside of the splitter box 10 is uniformly provided with a cutter 11 in a unidirectional manner, the injector injects liquid into the first infusion tube 1 through the first infusion tube 1, one side of the split-flow body 9 is matched with the splitter box 10 to intermittently seal the connection position between the first bubble removal cavity 2 and the inner cavity of the first infusion tube 1, the liquid in the first infusion tube 1 is guided to the inner cavity of the first bubble removal cavity 2 through the splitter box 10 to be conveyed, when the air is released into a large liquid container in the prior art, the bubble dispersion is dispersed, however, when the gas is released into the liquid in a relatively narrow tube, a train of bubbles of well-matched size is created and formed at intervals, this uniform and predictable behavior, independently of the specific starting conditions, known as generalization, the formation of droplets and bubbles being very similar, starting from the elongation of the flowing substance (whether air or water), eventually the "neck" connecting the droplets or bubbles with the flowing substance becoming thinner and pinched off, this constriction causing the droplets or bubbles to collapse into a sphere, the liquid or bubbles being unable to collapse into a sphere by cutting the position where the elongation of the flowing substance (whether air or water) begins as the liquid passes through the interior of the shunt 10, the shunt 10 being arranged for the purpose of delaying the time of the liquid flow, the cutter 11 is made to perform a better dividing action on the liquid or the air bubbles, thereby performing a preliminary bubble removing operation on the air bubbles.
It should be noted that in order to facilitate the generation of the bubbles, it is understood that when the bubbles are blown through the annular structure, a tube of bubbles gradually extends outwardly in an elongated annular structure and is then pinched off to form a circular bubble.
In this embodiment, as shown in fig. 4, 6 and 7, an insulator 14 is fixed at the connection position between the inner cavity of the first bubble removing cavity 2 and the second bubble removing cavity 3, the insulator 14 and the split body 9 are vertically arranged in opposite directions, a first split liquid groove 15 is respectively provided at two sides of the insulator 14, a second split liquid groove 16 is provided on the surface of the insulator 14, the second split liquid groove 16 is communicated with the first split liquid groove 15, the inner cavity of the air outlet 5 is communicated with the inner cavity of the heating cavity 4, wherein the surface of the insulator 14 and the first split liquid groove 15 are obliquely arranged, in order to make the liquid quickly fall into the inner cavity of the first split liquid groove 15 for split, a gap is provided between the insulator 14 and the inner cavity of the second bubble removing cavity 3, through the preliminary split of the inner cavity of the first bubble removing cavity 2 by the cutter 11, the liquid falls on the surface of the insulator 14, the liquid in the first bubble removing cavity 2 rapidly enters the first bubble removing cavity 15 and the second bubble removing cavity 16 through the surfaces of the first liquid separating groove 15 on two sides of the isolation body 14 to be rapidly conveyed in a spiral way, because the gap between the isolation body 14 and the second bubble removing cavity 3 exists, at the moment, the compressed air pressure generated by the pressure pushed by the injector in the first bubble removing cavity 2 acts on the liquid surface in the isolation body 14, the pressure of the liquid entering the gap between the first liquid separating groove 15, the second liquid separating groove 16 and the inner cavities of the isolation body 14 and the second bubble removing cavity 3 is increased, because the liquid in the first liquid separating groove 15 and the second liquid separating groove 16 has a certain pressure value, the air pressure generated by the pushing of the injector in the inner cavity of the first bubble removing cavity 2 is positioned under the liquid pressure value of the first liquid separating groove 15 and the second liquid separating groove 16, the pressure of the compressed air generated by the pressure pushed by the injector in the first bubble removing cavity 2 acts on the liquid level in the isolating body 14, the pressure of the first liquid dividing groove 15, the second liquid dividing groove 16 and the gaps between the isolating body 14 and the inner cavity of the second bubble removing cavity 3 are gradually increased, so that the liquid in the first bubble removing cavity 2 can quickly enter the first liquid dividing groove 15 and the second liquid dividing groove 16, and can quickly flow into the other side of the inner cavity of the second bubble removing cavity 3 from one side of the inner cavity of the second bubble removing cavity 3 in cooperation with the gap between the isolating body 14 and the second bubble removing cavity 3, the flow of the liquid is accelerated to prevent bubbles, and when a small amount of residual gas and liquid are pushed into the inner cavity of the heating cavity 4, the gas is discharged by the gas outlet 5, the liquid falls into the inner cavity of the heating cavity 4, and the bubbles can be further effectively prevented.
It should be noted that, the air outlet 5 in the above embodiment is an air outlet column in the infusion apparatus in the prior art, which is not described in detail in the scope of the present invention.
In this embodiment, as shown in fig. 6, the heating plate 12 is installed on the inner side wall of the heating cavity 4, the wire inserting terminal is installed on the outer side of the heating cavity 4, the wire inserting terminal is electrically connected with the heating plate 12, the wire inserting terminal is electrically connected with the outside, heat is generated in the heating cavity 4 through the conduction of the heating plate 12, the liquid in the heating cavity 4 is heated, discomfort of a patient is reduced in cold weather, the heating plate 12 is a ceramic heating plate, a set temperature value is less than or equal to thirty degrees, the temperature is reduced to the extent that injury is caused or caused by high temperature, the change of a drug property structure is prevented, the double-membrane piece 13 is fixed in the insulator 14, the double-membrane piece 13 is in a plurality of groups of vertical membrane structures, and the membrane hole is arranged in a staggered diameter changing manner, when the liquid is rapidly pushed into the heating cavity 4 through the second bubble removing cavity 3, the generated liquid impact falls into a group of membrane structure on the outermost side of the double-membrane piece 13, the liquid is buffered by another group of membrane structure, the membrane hole staggered diameter changing diameter of the membrane structure is reduced, the membrane hole diameter of the double-membrane piece 13 is set, the membrane hole diameter of the double-membrane piece 13 is gradually reduced, and the flow velocity of the liquid flowing into the membrane 13 is further reduced, and the membrane flow is further reduced, and the air flow speed of the membrane 13 is further reduced.
In this embodiment, as shown in fig. 6, one side of the heating cavity 4 is in a conical structure, so that the flow rate of the liquid is more stable when the liquid enters the cavity with a small diameter, and the output liquid is constant, so that the problem that the output of the liquid is controlled by the hand feeling and vision of an operator due to direct intervention of the traditional straight pipe structure is solved, and the pain of the blood vessel of the patient is increased due to the fact that the liquid with too high flow rate is input into the patient in a short time due to errors of the operator.
In this embodiment, as shown in fig. 1 and 8, the second infusion tube is fixed in the interior of the sliding cavity 6, the flow limiting assembly 7 includes a first mounting bracket 71, a supporting pin 72, a second mounting bracket 73 and a rotating rod 74, one side of the first mounting bracket 71 is clamped in one side of the sliding cavity 6, the second mounting bracket 73 and the first mounting bracket 71 are clamped and installed, the clamping and installing mode is convenient for damaging quick disassembly and installation between components, the supporting pin 72 is rotatably installed between one side of the first mounting bracket 71 and one side of the second mounting bracket 73, a U-shaped groove is formed between the other side of the first mounting bracket 71 and the other side of the second mounting bracket 73, the rotating rod 74 penetrates through the U-shaped groove and is rotated on one side of the U-shaped groove, one side of the rotating rod 74 is fixed with a ladder-shaped block 75, one side of the supporting pin 72 is movably provided with a first pressing plate 76 and a second pressing plate 77 respectively, one side of the first pressing plate 76 and the second pressing plate 77 are coaxially arranged, one sides of the first pressing plate 76 and the second pressing plate 77 are respectively fixed with an elastic rod 79, one side of the first pressing plate 76 and one side of the second pressing plate 77 are respectively provided with grooves, the inside sliding blocks 78 are slidably installed in the grooves, and the diameters of the sliding blocks 78 are equal to the diameters of the first pressing plate 76 and the second pressing plate 77 can move in the first pressing plate 76 and the first pressing plate 77 and the second pressing plate 77.
In the prior art for intercepting liquid, the sliding cavity 6 and the roller are matched in the market, but when the liquid intercepting device is used in most cases, because a gap exists between the sliding cavity 6 and the roller, the roller idles on one side of the sliding cavity 6 and cannot intercept the liquid conveying pipe effectively, further, as shown in fig. 8, the second liquid conveying pipe is installed in the sliding cavity 6, the rotating rod 74 rotates to one side, the rotating rod 74 rotates to drive the ladder-shaped block 75 installed on one side of the rotating rod 74 to rotate, one side of the ladder-shaped block 75 presses the second pressing plate 77, one side of the second pressing plate 77 is hinged along one side of the supporting pin shaft 72, the second pressing plate 77 drives the elastic rod 79 installed on the second pressing plate 77 to abut against the second liquid conveying pipe in the sliding cavity 6 downwards, and the second liquid conveying pipe in the sliding cavity 6 is pressed to be slightly flat, the liquid in the second conveying liquid is limited, the rotating rod 74 is continuously rotated to one side to drive one side of the ladder-shaped block 75 to press the first pressing plate 76, one side of the first pressing plate 76 is hinged along one side of the supporting pin shaft 72, the first pressing plate 76 drives the elastic rod 79 arranged on the first pressing plate 76 to abut against the second liquid conveying pipe of the sliding cavity 6 again downwards, the elastic rod 79 slides into the grooves formed on one side of the first pressing plate 76 and one side of the second pressing plate 77, the second pressing plate 77 and the first pressing plate 76 are limited, the second pressing plate 77 and the elastic rod 79 arranged on the second pressing plate 77 are matched to cut off the second liquid conveying pipe in the sliding cavity 6, after one pipe of liquid of the injector is completely beaten, the liquid in the pipe is required to be sucked again for injection, the liquid in the pipe is stopped flowing, the liquid is prevented from flowing back, the traditional roller matching mode is replaced, the interception effect of the infusion tube is improved.
According to the technical scheme provided by the invention, when the liquid flows through the inside of the shunt groove in a contact way, the position of the starting position of the extension of the flowing substance (whether air or water) is cut through the cutter, so that the liquid or the air bubble cannot collapse into a sphere, the shunt groove is arranged for delaying the flowing time of the liquid, and the cutter has a better dividing effect on the liquid or the air bubble, so that the air bubble is subjected to preliminary bubble removal operation.
The pressure of the liquid entering the first liquid dividing groove, the second liquid dividing groove, the isolating body and the second bubble removing cavity is increased by setting the compressed air pressure generated by the pushing pressure of the injector in the first bubble removing cavity to act on the liquid level in the isolating body, the pressure of the liquid entering the first liquid dividing groove, the second liquid dividing groove, the isolating body and the second bubble removing cavity is increased, and the liquid in the first bubble removing cavity can quickly enter the inside of the first liquid dividing groove and the second liquid dividing groove by matching with the gap between the first bubble removing cavity and the second bubble removing cavity, so that the air pressure generated by the pushing pressure of the injector in the first bubble removing cavity acts on the liquid level in the isolating body, the pressure of the first liquid dividing groove, the second liquid dividing groove, the isolating body and the second bubble removing cavity, and the pressure of the gaps between the first bubble removing cavity and the second bubble removing cavity are gradually increased, and the gaps between the first bubble removing cavity and the second bubble removing cavity are quickly flowed into the other side of the inner cavity by the second bubble removing cavity by the side of the second bubble removing cavity, the liquid is accelerated to prevent the residual air from being generated, and the air from being discharged into the air outlet is effectively prevented from being heated when the air is pushed into the inner cavity, and the air is further prevented from being heated.
When the liquid is quickly pushed into the heating cavity through the second bubble removing cavity, the generated liquid impact falls into a group of membranous structures at the outermost side of the double-membrane piece to buffer, the other group of membranous structures slowly flow the liquid, the membranous holes of the multiple groups of membranous structures are arranged in a staggered reducing mode, the liquid flow velocity gradually decreases when the diameters of the membranous holes of the double-membrane piece are small, the liquid flow flows into the membranous holes of one group of large diameters of the double-membrane piece in an inclined mode, the speed of the fluid is slowed down, and meanwhile, the generation of bubbles is further suppressed through the intervention of multiple groups of double-membrane pieces.
Through the arrangement of the rotary rod, the rotary rod rotates to drive the ladder-shaped block arranged on one side of the rotary rod to rotate, one side of the ladder-shaped block presses the second pressing plate, one side of the second pressing plate is hinged along one side of the supporting pin shaft, so that the second pressing plate drives the elastic rod arranged on the second pressing plate to abut against the second infusion tube in the sliding cavity downwards, the second infusion tube in the sliding cavity is pressed to be micro-flat, the liquid in the second conveying liquid is limited, one side of the ladder-shaped block is continuously rotated to drive the rotary rod to press the first pressing plate to one side, one side of the first pressing plate is hinged along one side of the supporting pin shaft, the first pressing plate is enabled to drive the elastic rod arranged on the first pressing plate to abut against the second infusion tube of the sliding cavity again, the elastic rod slides into the groove formed in one side of the first pressing plate and one side of the second pressing plate to limit the second pressing plate and the first pressing plate, the second pressing plate is matched with the elastic rod arranged on the second pressing plate to intercept the second infusion tube in the sliding cavity, after one tube of liquid of the injector is pumped, the liquid in the tube is required to be injected again, the liquid in the tube stops flowing, so that liquid backflow is prevented, a traditional roller matching mode is replaced, and the interception effect of the infusion tube is improved.
The invention is intended to cover any alternatives, modifications, equivalents, and variations that fall within the spirit and scope of the invention. In the above description of the preferred embodiments of the invention, specific details are set forth in order to provide a thorough understanding of the invention, and the invention will fully be understood to those skilled in the art without such details. In other instances, well-known methods, procedures, flows, components, circuits, and the like have not been described in detail so as not to unnecessarily obscure aspects of the present invention.
Those of ordinary skill in the art will appreciate that all or a portion of the steps in implementing the methods of the embodiments described above may be implemented by a program that instructs associated hardware, and the program may be stored on a computer readable storage medium, such as: ROM/RAM, magnetic disks, optical disks, etc.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.

Claims (10)

1. An ultrasound-guided bubble-injection-preventing connection device, comprising:
the first infusion tube is connected with the injector, one side of the first infusion tube is communicated with a first bubble removing cavity, primary bubbles of liquid in the injector are removed from the inside of the first bubble removing cavity, and one side of the first bubble removing cavity is communicated with a second bubble removing cavity;
the inside of second removes bubble cavity to the liquid secondary of elementary bubble that removes, one side intercommunication of second removes the bubble cavity has the heating cavity, the inside of heating cavity is to the liquid heating after removing the bubble to through the gas outlet gassing, one side intercommunication of heating cavity has second transfer line and syringe needle, flow limiting assembly and the slip cavity that is used for restricting flow and/or damming are installed to one side of second transfer line.
2. The ultrasonic-guided bubble-prevention injection connecting device according to claim 1, wherein a split fluid is installed at the communication position of the inner cavity of the first bubble removal cavity and the inner cavity of the first infusion tube, one side of the split fluid is attached to the communication position of the first infusion tube and the inner cavity of the first bubble removal cavity, split grooves are uniformly formed in the inclined surfaces of the split fluid, and cutters are uniformly arranged in the split grooves in a unidirectional mode.
3. The ultrasonic-guided bubble-injection-preventing connecting device according to claim 2, wherein an insulator is fixed at the communication position of the inner cavity of the first bubble removing cavity and the second bubble removing cavity, the insulator and the split body are vertically arranged in opposite directions, a first liquid separating groove is respectively formed in two sides of the insulator, a second liquid separating groove is formed in the surface of the insulator, and the second liquid separating groove is communicated with the first liquid separating groove.
4. The ultrasonic-guided bubble-injection-preventing connecting device according to claim 3, wherein the heating plate is installed on the inner side wall of the heating cavity, the wire inserting terminal is installed on the outer side of the heating cavity, the double-film piece is fixed in the insulator, the double-film piece is of a multi-group vertical film structure, and the film holes are staggered and variable in diameter.
5. The ultrasonic-guided bubble-preventing injection connecting device according to claim 4, wherein one side of the heating cavity is in a conical structure, and the inner cavity of the air outlet is communicated with the inner cavity of the heating cavity.
6. The ultrasonic-guided bubble-injection-preventing connection device according to claim 1, wherein the second infusion tube is fixed in the sliding cavity, the flow limiting assembly comprises a first mounting frame, a supporting pin, a second mounting frame and a rotating rod, one side of the first mounting frame is clamped to one side of the sliding cavity, the second mounting frame is clamped to the first mounting frame, and the supporting pin is rotatably mounted between one side of the first mounting frame and one side of the second mounting frame.
7. The ultrasonic-guided bubble-preventing injection connecting device according to claim 6, wherein a U-shaped groove is formed between the other sides of the first mounting frame and the second mounting frame, the rotating rod penetrates through the U-shaped groove and rotates on one side of the U-shaped groove, and a ladder-shaped block is fixed on one side of the rotating rod.
8. The ultrasonic-guided bubble-injection-preventing connecting device according to claim 7, wherein a first pressing plate and a second pressing plate are movably mounted on one side of the supporting pin shaft respectively, the first pressing plate and the second pressing plate are coaxially arranged, and elastic rods are fixed on one sides of the first pressing plate and the second pressing plate respectively.
9. The ultrasonic-guided bubble-preventing injection connecting device according to claim 8, wherein grooves are formed in one sides of the first pressing plate and the second pressing plate, and sliding blocks are slidably mounted in the grooves.
10. The ultrasonic-guided bubble-preventing injection connection device according to claim 9, wherein the diameter of the slider is equal to or larger than the diameters of the grooves on one side of the first pressing plate and the second pressing plate.
CN202310503072.7A 2023-05-06 2023-05-06 Bubble injection preventing connecting device under ultrasonic guidance Active CN116549783B (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2815376Y (en) * 2005-08-19 2006-09-13 欧阳晓东 Transfusion meter
KR20130135436A (en) * 2012-06-01 2013-12-11 재단법인 아산사회복지재단 Device for trapping air bubble of the fluid warming and rapid infusion system
CN107281580A (en) * 2017-06-28 2017-10-24 泰州市乐律金属制品有限公司 A kind of multifunctional transfusion system device
CN109999259A (en) * 2019-01-25 2019-07-12 周晓芝 A kind of infusion apparatus may filter that bubble
CN110127799A (en) * 2019-06-25 2019-08-16 浙江晟科环境工程有限公司 A kind of microbubble dissolved air water generating system
CN113368718A (en) * 2021-07-21 2021-09-10 杭州老板电器股份有限公司 Micro-nano bubbling mechanism and micro-nano bubble water device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2815376Y (en) * 2005-08-19 2006-09-13 欧阳晓东 Transfusion meter
KR20130135436A (en) * 2012-06-01 2013-12-11 재단법인 아산사회복지재단 Device for trapping air bubble of the fluid warming and rapid infusion system
CN107281580A (en) * 2017-06-28 2017-10-24 泰州市乐律金属制品有限公司 A kind of multifunctional transfusion system device
CN109999259A (en) * 2019-01-25 2019-07-12 周晓芝 A kind of infusion apparatus may filter that bubble
CN110127799A (en) * 2019-06-25 2019-08-16 浙江晟科环境工程有限公司 A kind of microbubble dissolved air water generating system
CN113368718A (en) * 2021-07-21 2021-09-10 杭州老板电器股份有限公司 Micro-nano bubbling mechanism and micro-nano bubble water device

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