CN110812611A - Special micro-injection pump for pediatric nursing - Google Patents

Special micro-injection pump for pediatric nursing Download PDF

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Publication number
CN110812611A
CN110812611A CN201911016489.0A CN201911016489A CN110812611A CN 110812611 A CN110812611 A CN 110812611A CN 201911016489 A CN201911016489 A CN 201911016489A CN 110812611 A CN110812611 A CN 110812611A
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CN
China
Prior art keywords
transverse plate
tube
piston
sealing
liquid outlet
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
CN201911016489.0A
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Chinese (zh)
Inventor
李霞
李靖
李熠冉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201911016489.0A priority Critical patent/CN110812611A/en
Publication of CN110812611A publication Critical patent/CN110812611A/en
Withdrawn legal-status Critical Current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
    • A61M5/178—Syringes
    • A61M5/20—Automatic syringes, e.g. with automatically actuated piston rod, with automatic needle injection, filling automatically
    • 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
    • A61M5/178—Syringes
    • A61M5/31—Details
    • 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
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
    • 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
    • A61M5/178—Syringes
    • A61M5/20—Automatic syringes, e.g. with automatically actuated piston rod, with automatic needle injection, filling automatically
    • A61M2005/2006—Having specific 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
    • 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
    • A61M2205/3331—Pressure; Flow
    • A61M2205/3334—Measuring or controlling the flow rate

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

Abstract

The invention relates to the technical field of medical instruments special for pediatric nursing, in particular to a micro-injection pump special for pediatric nursing, which comprises a propulsion device, a first transverse plate, a vertical rod, a second transverse plate, a piston, an elastic tube, a metering tube, a liquid outlet tube and a base, wherein the vertical rod is fixedly arranged above the base, the second transverse plate and the first transverse plate are sleeved on the vertical rod in a sliding way, the second transverse plate is arranged below the first transverse plate, the propulsion device is arranged above the first transverse plate, the second transverse plate is provided with a through hole matched with the metering tube, a flange is arranged above the metering tube, the piston is movably sleeved in the metering tube in a sealing way, a pressing part is arranged above the piston, the elastic tube used for sealing the piston is arranged between the pressing part and the flange, the liquid outlet tube is arranged at the bottom of the metering tube, and a sealing device is arranged in the liquid outlet tube, the, and the liquid medicine can not be polluted by backflow.

Description

Special micro-injection pump for pediatric nursing
Technical Field
The invention relates to the technical field of medical instruments special for pediatric nursing, in particular to a micro-injection pump special for pediatric nursing.
Background
The micro-injection pump accurately, micro, uniformly and continuously pumps a small amount of liquid medicine into the body, is convenient to operate, timed and quantitative, can adjust the concentration and the speed of the medicine at any time according to the needs of the state of an illness, enables the medicine to keep effective blood concentration in the body, utilizes the micro-injection pump to rescue critical patients, can reduce the workload of nurses, improves the working efficiency, and accurately, safely and effectively cooperates with doctors to rescue.
In pediatric medical care, because of the particularity of drug administration of children, the micro-injection pump can be used in large quantity because the drug administration amount can be accurately adjusted, and the current micro-injection pump has the defects of overlong infusion time and pulled-out syringes in the use process
The exposure time of the push rod in the air is too long, and the pollution of the push rod of the injector is easily caused, so that aiming at the current situation, the development of a micro-injection pump special for pediatric nursing is urgently needed to overcome the defects in the current practical application.
Disclosure of Invention
The invention aims to provide a micro-injection pump special for pediatric nursing, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a special micro-injection pump of paediatrics nursing, includes advancing device, first diaphragm, montant, second diaphragm, piston, elastic tube, metering tube, drain pipe and base, the fixed montant that is provided with in base top, the slip cover is equipped with second diaphragm and first diaphragm on the montant, the second diaphragm sets up in first diaphragm below, first diaphragm top is provided with advancing device, the second diaphragm is provided with the through-hole with metering tube matched with, the metering tube top is provided with the flange, the sealed cover of metering tube internalization is equipped with the piston, the piston top is provided with presses the splenium, it is used for the elastic tube of sealed piston to press to be provided with between splenium and the flange, the metering tube bottom is provided with the drain pipe, be provided with sealing device in the drain pipe.
As a further scheme of the invention: the bottom of the output end of the propelling device is provided with a pressure sensor, the sealing device comprises a fixing plate, an electromagnetic device, a spring device and a sealing plug, the fixing plate is fixedly arranged in the middle of the liquid outlet pipe, a gap is formed between the fixing plate and the inner wall of the liquid outlet pipe, the electromagnetic device is arranged on the upper portion of the fixing plate, two sides of the electromagnetic device are connected with the sealing plug through the spring devices, and the sealing plug is in clearance sealing fit with the fixing plate and the liquid outlet pipe.
As a further scheme of the invention: the pressure sensor and the electromagnetic device are electrically connected with the programmable control element.
As a further scheme of the invention: the elastic tube is a silica gel corrugated tube, the elastic tube is provided with an air vent, and the pressing part at the top end of the piston is connected with the elastic tube in a sealing mode.
As a further scheme of the invention: the first transverse plate and the second transverse plate are respectively connected with the vertical rod in a sliding mode through a first adjusting block and a second adjusting block, and the first adjusting block and the second adjusting block are respectively provided with a first fastening bolt and a second fastening bolt.
As a further scheme of the invention: the drain pipe end is provided with flow, velocity of flow sensor, the base front panel is provided with flow, velocity of flow display, flow, velocity of flow sensor and flow, velocity of flow display electric connection.
As a further scheme of the invention: and the top of the pressing part is provided with a reticulate pattern knurl.
Compared with the prior art, the invention has the beneficial effects that:
1. the sealing plug is acted by the spring device to seal a gap between the inner wall of the liquid outlet pipe and the fixed plate, the propulsion device is started to push the piston to move downwards, the liquid outlet pipe is sealed at the moment, the piston counteracts pressure to the pressure sensor at the bottom of the output end of the propulsion device, when the pressure sensor reaches a preset value, the pressure sensor feeds back to the programmable control element to electrify the electromagnetic device, the electromagnetic device generates suction force to pull the sealing plugs at the two sides to the middle at the moment, the liquid outlet pipe is conducted, the liquid outlet pipe can be guaranteed to be always kept in the sealing device, residual liquid medicine in the metering pipe is not contacted with air, and;
2. the upper parts of the piston and the metering tube are covered by the elastic tubes, so that the iatrogenic infection caused by the pollution of the piston rod is effectively avoided.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an enlarged schematic view of a portion a of fig. 1.
Fig. 3 is a perspective view of the elastic tube of the present invention.
In the figure: 1-propelling device, 2-first transverse plate, 3-first adjusting block, 4-first fastening bolt, 5-vertical rod, 6-second fastening bolt, 7-second adjusting block, 8-base, 9-metering tube, 10-second transverse plate, 11-flange, 12-elastic tube, 13-piston, 14-pressing part, 15-liquid outlet tube, 16-fixing plate, 17-electromagnetic device, 18-spring device and 19-sealing plug.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Example 1
Referring to fig. 1 to 3, in the embodiment of the invention, a micro-injection pump special for pediatric nursing comprises a propulsion device 1, a first transverse plate 2, a vertical rod 5, a second transverse plate 10, a piston 13, an elastic tube 12, a metering tube 9, a liquid outlet tube 15 and a base 8, wherein the vertical rod 5 is fixedly arranged above the base 8, the vertical rod 5 is slidably sleeved with the second transverse plate 10 and the first transverse plate 2, the second transverse plate 10 is arranged below the first transverse plate 2, the propulsion device 1 is arranged above the first transverse plate 2, the second transverse plate 10 is provided with a through hole matched with the metering tube 9, a flange 11 is arranged above the metering tube 9, the piston 13 is movably and hermetically sleeved in the metering tube 9, a pressing part 14 is arranged above the piston 13, the elastic tube 12 for sealing the piston 13 is arranged between the pressing part 14 and the flange 11, the liquid outlet tube 15 is arranged at the bottom of the metering tube 9, and a sealing device is arranged in the liquid outlet pipe 15.
In this embodiment, a pressure sensor is arranged at the bottom of the output end of the propulsion device 1, the sealing device includes a fixing plate 16, an electromagnetic device 17, a spring device 18 and a sealing plug 19, the fixing plate 16 is fixedly arranged in the middle of the drain pipe 15, a gap is arranged between the fixing plate 16 and the inner wall of the drain pipe 15, the electromagnetic device 17 is arranged on the upper portion of the fixing plate 16, both sides of the electromagnetic device 17 are connected with the sealing plug 19 through a plurality of spring devices 18, and the sealing plug 19 is in clearance sealing fit with the fixing plate 16 and the drain pipe 15.
In this embodiment, the pressure sensor and the electromagnetic device 17 are both electrically connected to the programmable control element, the electromagnetic device 17 is not powered in the initial state, the sealing plug 19 is acted by the spring device 18 to close the gap between the inner wall of the liquid outlet pipe 15 and the fixing plate 16, the propulsion device 1 is started to push the piston 13 downward, since the liquid outlet pipe 15 is sealed at the moment, the piston 13 reacts the pressure to the pressure sensor at the bottom of the output end of the propulsion device 1, when the pressure sensor reaches a preset value, the feedback is carried out on the programmable control element, the electromagnetic device 17 is electrified, at the moment, the electromagnetic device 17 generates suction force to pull the sealing plugs 19 at the two sides to the middle, the liquid outlet pipe 15 is conducted, the preset value of the pressure sensor is set to a value which does not harm the health of children, in this way, the liquid outlet pipe 15 can be always kept in a sealing device, so that the residual liquid medicine in the metering pipe 9 is not contacted with the air, and the liquid medicine is not subjected to backflow pollution.
As a preferred mode of this embodiment, elastic tube 12 is set up to the silica gel bellows, be provided with the air vent on elastic tube 12, the splenium 14 and the elastic tube 12 sealing connection of pressing on the piston 13 top, and press the splenium 14 top to be provided with the reticulation annular knurl, seal piston 13 through elastic tube 12, avoided piston 13 and metering tube 9 upper portion to expose in the air, effectively prevented to cause the liquid medicine pollution.
In this embodiment, the first transverse plate 2 and the second transverse plate 10 are respectively connected with the vertical rod 5 in a sliding manner through the first adjusting block 3 and the second adjusting block 7, and the first adjusting block 3 and the second adjusting block 7 are both provided with the first fastening bolt 4 and the second fastening bolt 6.
The principle of the embodiment is as follows: a proper amount of liquid medicine is filled into the metering tube 9, the metering tube is arranged on the second transverse plate 10, the electromagnetic device 17 is not electrified in an initial state, the sealing plug 19 seals a gap between the inner wall of the liquid outlet tube 15 and the fixed plate 16 under the action of the spring device 18, the propelling device 1 is started to push the piston 13 downwards, since the liquid outlet pipe 15 is sealed at the moment, the piston 13 reacts the pressure to the pressure sensor at the bottom of the output end of the propulsion device 1, when the pressure sensor reaches a preset value, the feedback is carried out on the programmable control element, the electromagnetic device 17 is electrified, at the moment, the electromagnetic device 17 generates suction force to pull the sealing plugs 19 at the two sides to the middle, the liquid outlet pipe 15 is conducted, the preset value of the pressure sensor is set to a value which does not harm the health of children, in this way, the liquid outlet pipe 15 can be always kept in a sealing device, so that the residual liquid medicine in the metering pipe 9 is not contacted with the air, and the liquid medicine is not subjected to backflow pollution.
Example 2
Referring to fig. 1 to 3, the present embodiment is different from embodiment 1 in that: 15 ends of drain pipe are provided with flow, velocity of flow sensor, 8 front panels of base are provided with flow, velocity of flow display, flow, velocity of flow sensor and flow, velocity of flow display electric connection, the medical personnel of being convenient for control the condition of dosing.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make several variations and modifications without departing from the concept of the present invention, and these should be considered as the protection scope of the present invention, which will not affect the effect of the implementation of the present invention and the utility of the patent.

Claims (7)

1. A micro-injection pump special for pediatric nursing comprises a propelling device (1), a first transverse plate (2), a vertical rod (5), a second transverse plate (10), a piston (13), an elastic tube (12), a metering tube (9), a liquid outlet tube (15) and a base (8), wherein the vertical rod (5) is fixedly arranged above the base (8), the second transverse plate (10) and the first transverse plate (2) are sleeved on the vertical rod (5) in a sliding manner, the micro-injection pump is characterized in that the second transverse plate (10) is arranged below the first transverse plate (2), the propelling device (1) is arranged above the first transverse plate (2), the second transverse plate (10) is provided with a through hole matched with the metering tube (9), a flange (11) is arranged above the metering tube (9), the piston (13) is movably sleeved in the metering tube (9) in a sealing manner, a pressing part (14) is arranged above the piston (13), an elastic tube (12) used for sealing the piston (13) is arranged between the pressing portion (14) and the flange (11), a liquid outlet tube (15) is arranged at the bottom of the metering tube (9), and a sealing device is arranged in the liquid outlet tube (15).
2. The special micro-injection pump for pediatric nursing according to claim 1, wherein a pressure sensor is arranged at the bottom of the output end of the propulsion device (1), the sealing device comprises a fixing plate (16), an electromagnetic device (17), a spring device (18) and a sealing plug (19), the fixing plate (16) is fixedly arranged in the middle of the liquid outlet pipe (15), a gap is formed between the fixing plate (16) and the inner wall of the liquid outlet pipe (15), the electromagnetic device (17) is arranged at the upper part of the fixing plate (16), two sides of the electromagnetic device (17) are connected with the sealing plug (19) through the spring devices (18), and the sealing plug (19) is in sealing fit with the gap between the fixing plate (16) and the liquid outlet pipe (15).
3. The pediatric care micro infusion pump according to claim 2, wherein the pressure sensor and the electromagnetic device (17) are electrically connected to a programmable control unit.
4. The special micro-injection pump for pediatric care according to claim 3, wherein the elastic tube (12) is a silicone corrugated tube, the elastic tube (12) is provided with a vent hole, and the pressing part (14) at the top end of the piston (13) is connected with the elastic tube (12) in a sealing manner.
5. The special micro-injection pump for pediatric nursing according to claim 1, wherein the first transverse plate (2) and the second transverse plate (10) are slidably connected with the vertical rod (5) through a first adjusting block (3) and a second adjusting block (7), and the first adjusting block (3) and the second adjusting block (7) are both provided with a first fastening bolt (4) and a second fastening bolt (6).
6. The micro-injection pump special for pediatric nursing as defined in claim 1, wherein the outlet tube (15) is provided at the end thereof with a flow sensor and a flow rate display, and the front panel of the base (8) is provided with a flow and flow rate sensor electrically connected with the flow and flow rate display.
7. The pediatric care micro syringe pump according to claim 4, wherein the pressing part (14) is provided with a knurled pattern on the top.
CN201911016489.0A 2019-10-24 2019-10-24 Special micro-injection pump for pediatric nursing Withdrawn CN110812611A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911016489.0A CN110812611A (en) 2019-10-24 2019-10-24 Special micro-injection pump for pediatric nursing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911016489.0A CN110812611A (en) 2019-10-24 2019-10-24 Special micro-injection pump for pediatric nursing

Publications (1)

Publication Number Publication Date
CN110812611A true CN110812611A (en) 2020-02-21

Family

ID=69550341

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911016489.0A Withdrawn CN110812611A (en) 2019-10-24 2019-10-24 Special micro-injection pump for pediatric nursing

Country Status (1)

Country Link
CN (1) CN110812611A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111921041A (en) * 2020-08-06 2020-11-13 邢雪芳 Medical hematology department injection cylinder that prevents dust

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111921041A (en) * 2020-08-06 2020-11-13 邢雪芳 Medical hematology department injection cylinder that prevents dust

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Application publication date: 20200221