CN115227916A - Stabilizing device for MRI high-pressure injector - Google Patents

Stabilizing device for MRI high-pressure injector Download PDF

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Publication number
CN115227916A
CN115227916A CN202210798105.0A CN202210798105A CN115227916A CN 115227916 A CN115227916 A CN 115227916A CN 202210798105 A CN202210798105 A CN 202210798105A CN 115227916 A CN115227916 A CN 115227916A
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China
Prior art keywords
ring
air
inflation
movable rod
clamping
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Granted
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CN202210798105.0A
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Chinese (zh)
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CN115227916B (en
Inventor
张泳欣
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Zhongshan Peoples Hospital
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Zhongshan Peoples Hospital
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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
    • A61M5/52—Arm-rests
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves 
    • A61B5/055—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves  involving electronic [EMR] or nuclear [NMR] magnetic resonance, e.g. magnetic resonance imaging
    • 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
    • A61M5/007—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 for contrast media
    • 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
    • A61M5/008—Racks for supporting syringes or needles
    • 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
    • A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2210/00—Anatomical parts of the body
    • A61M2210/08—Limbs
    • A61M2210/083—Arms

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Animal Behavior & Ethology (AREA)
  • Vascular Medicine (AREA)
  • Anesthesiology (AREA)
  • Hematology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Physics & Mathematics (AREA)
  • Radiology & Medical Imaging (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

The invention provides a stabilizing device for an MRI high-pressure injector, which comprises a round body and a base, wherein the round body is arranged in the base in a sliding manner; the first inflation ring is coaxially arranged along the inner wall of the round body, is provided with a first inflation pipe, flows into the first inflation ring from the first inflation pipe through airflow to enable the first inflation ring to expand, and is fixedly arranged in the round body after expansion; the outer wall of the first inflation ring is provided with a movable rod, the round body is provided with a notch, the movable rod penetrates through the round body through the notch, one end of the movable rod extends to the outer side of the round body, a clamping body is installed at the end of the movable rod, and a clamping part capable of clamping the injector is installed inside the clamping body. The problem of when using high pressure syringe to inject, the syringe needle can't keep relatively fixed with the arm is solved to it can't support and restrict the arm and shake by a wide margin and solve the unable problem with syringe needle and arm simultaneous movement of arm when injecting to solve the arm. Thus, patient safety is improved.

Description

Stabilizing device for MRI high-pressure injector
Technical Field
The invention relates to the field of medical instruments, in particular to a stabilizing device for an MRI high-pressure injector.
Background
Magnetic resonance imaging is based on the principle of nuclear magnetic resonance, and uses an external gradient magnetic field to detect emitted electromagnetic waves according to different attenuations of released energy in different structural environments inside a substance, so that the positions and the types of atomic nuclei constituting the substance can be known, and a structural image inside the substance can be drawn.
Magnetic resonance imaging is an examination technique based on the principle that nuclei with magnetic moments can generate transitions between energy levels under the action of a magnetic field.
When a patient performs a magnetic resonance examination, a medical staff needs to inject a contrast medium into the patient in a short time to make the contrast medium in the blood reach a certain concentration, and therefore a high-pressure syringe is needed. However, when the high-pressure syringe is used, the high-speed liquid may cause the needle to shake in the human body, which may cause a bulge and pain at the patient's needle opening, and further, it is necessary to stabilize the high-pressure syringe needle.
However, most of the existing high-pressure syringes are externally fixed by the needle of the high-pressure syringe, for example, the needle is fixed on the base of the device or on the injection operation table, and the arm of the patient needs to keep a specific position fixed during injection, which causes limb weakness and even injection convulsion of the patient, and on the contrary, causes the positions of the arm and the needle to change. Especially when the arm shaking amplitude of some children patients, epileptics and patients with mental disorder is treated, the needle rolling phenomenon of infusion can also occur even if the needle and the arm are fixed, namely, the position of the needle in the human body is changed, so that the liquid medicine can not enter a designated injection channel, the subcutaneous tissue of the patient is further damaged, the treatment injection can not be completed, and the treatment efficiency is reduced.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the problem of when using high pressure syringe to inject, the syringe needle can't keep relatively fixed with the arm is solved, further solve and can't support the arm and restrict the arm and rock by a wide margin to and solve the unable and syringe needle of arm and arm simultaneous movement's problem when injecting. Thereby solving the defect that the patient is injured due to the incapability of injection and the needle head.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a stabilizing device for an MRI high-pressure injector is provided, which comprises a round body and a base, wherein the round body is slidably arranged in the base;
preferably, a first inflation ring coaxially mounted with the round body is mounted along the inner wall of the round body, the first inflation ring is provided with a first inflation pipe, the first inflation pipe flows into the first inflation ring through airflow to enable the first inflation ring to expand, and the first inflation ring is fixedly mounted in the round body after expansion;
preferably, the outer wall of the first inflation ring is provided with a movable rod, the round body is provided with a notch, the movable rod penetrates through the round body through the notch, one end of the movable rod extends to the outer side of the round body, a clamping body is installed at the end, and a clamping part capable of clamping a syringe is installed inside the clamping body.
Preferably, a second inflation ring is mounted inside the first inflation ring and is mounted coaxially with the first inflation ring, the second inflation ring is provided with a second inflation tube, the second inflation tube flows into the second inflation ring from the second inflation tube through airflow to enable the second inflation ring to expand, and the second inflation ring is fixedly mounted inside the first inflation ring after the second inflation tube expands.
Preferably, the outer wall of the first inflation ring is provided with a magic tape which is arranged corresponding to the round body, and the outer wall of the second inflation ring is provided with a magic tape which is arranged corresponding to the first inflation ring.
Preferably, the movable rod is a bellows.
Preferably, the movable rod is provided with a ball head far away from the end of the first inflation ring, the clamping body is close to the end of the movable rod and is provided with a connecting part correspondingly arranged with the ball head, and a connecting sleeve correspondingly arranged with the connecting part and the ball head is sleeved on the outer wall of the connecting part.
Preferably, the clamping part is provided with a clamping structure close to the injector end.
Preferably, the number of the clamping parts is at least two, each clamping part is provided with a bolt at the end far away from the injector, and the injector can be fixed or movable by screwing the bolts.
Preferably, the connecting end of the movable rod and the first inflation ring is of a frustum structure, and a cone groove structure connected with the frustum structure is arranged on the first inflation ring.
The inflatable ring has the advantages that the first inflatable ring is slidably mounted in the round body, the first inflatable ring is provided with the first inflatable pipe capable of enabling air flow to flow into the first inflatable ring, when the inflatable ring is used, the arm extends into the first inflatable ring, the first inflatable ring is expanded by the air flow flowing from the first inflatable pipe to the first inflatable ring, and the first inflatable ring is fixedly mounted in the round body after being expanded and is fixed with the arm by inward expansion, so that the arm and the round body can be fixed, the arm can be synchronously twisted with the round body, the arm can be supported, and the arm is prevented from shaking greatly.
In addition, the outer wall of the first inflation ring is provided with a movable rod capable of penetrating through a notch of the circular body and extending to the outer side of the circular body, the movable rod is far away from the end of the first inflation ring and is provided with a clamping body capable of placing a clamping part capable of clamping an injector, so that the vibration of the needle head when the high-pressure injector is used for injection is effectively avoided, and after the needle head is inserted into the arm, the needle head and the arm are kept relatively fixed within a small-amplitude movable range of the arm, therefore, the occurrence of a needle roller can be avoided, and the safety of a patient is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of an overall assembly structure provided by an embodiment of the present invention;
FIG. 2 is a schematic view of the exploded structure of FIG. 1;
FIG. 3 is an enlarged view of a portion of FIG. 2A;
in the figure: 1-round body, 1.1-notch, 2-first inflation ring, 2.1-first inflation tube, 3-second inflation ring, 3.1-second inflation tube, 4-movable rod, 4.1-bulb, 5-connecting sleeve, 6-clamping body, 6.1-connecting part, 7-clamping part, 7.1-bolt and 8-base.
Detailed Description
The above-described scheme is further illustrated below with reference to specific examples. It is to be understood that these examples are for the purpose of illustrating the invention and are not to be construed as limiting the scope of the invention. The conditions used in the examples may be further adjusted according to the conditions of the particular manufacturer, and the conditions not specified are generally the conditions in routine experiments.
In one embodiment, a stabilizing device for an MRI high-pressure injector is provided, which comprises a round body 1 and a base 8, wherein the round body 1 is slidably arranged in the base 8, and the round body 1 can rotate in the base 8.
Wherein, install rather than coaxial arrangement's first ring 2 of aerifing along circle 1 inner wall to first ring 2 of aerifing is provided with first gas tube 2.1, and when using, the arm extends to first ring 2 of aerifing in, flows to first ring 2 of aerifing inside and makes its inflation from first gas tube 2.1 through the air current, and the extrusion force after the inflation makes first ring 2 of aerifing fixed mounting inside circle 1. And the inward expansion and the fixation of the arms are realized, therefore, the fixation of the arms and the round body 1 can be realized, and the arms can be synchronously twisted with the round body 1 and can also play a role of supporting the arms. In addition, the outer wall of the first inflating ring 2 is provided with a movable rod 4 which can penetrate through the round body 1 through the notch 1.1 and extend to the outer side of the round body, a clamping body 6 is installed at the extending end, and a clamping part 7 capable of clamping the syringe is installed in the clamping body 6. During the use, insert the arm with the syringe needle to fix through movable rod 4, wherein, for further improving the fixed intensity of movable rod 4 and circle 1, be the frustum structure at movable rod 4 and first ring 2 link of aerifing, and be provided with the taper groove structure of being connected with the frustum structure on first ring 2 of aerifing, and then first ring 2 inflation back movable rod 4 extrudees it on circle 1 through the conical surface cooperation. And then realize that syringe needle and arm keep relatively fixed to through the rotation of circle 1, can the arm carry out the activity of small amplitude, and then can realize the relative motion of syringe needle and arm, effectively avoid the vibration of syringe needle when high-pressure syringe carries out the injection simultaneously, consequently, can avoid the emergence of kingpin, improved patient's security.
In order to be suitable for patients with different arm circumferences, the second inflating ring 3 which can be coaxially installed with the first inflating ring 2 is installed inside the first inflating ring 2, the second inflating pipe 3.1 is arranged on the second inflating ring 3, when the device is used, airflow flows from the second inflating pipe 3.1 to the inside of the second inflating ring 3 to expand the second inflating ring 3, the second inflating ring 3 is fixedly installed inside the first inflating ring 2 after expansion, and in order to be further suitable for patients with small arm circumferences, the first inflating ring 2 and the second inflating ring 3 can be used in a superposed mode, when the device is used, the second inflating ring 3 is inflated and expanded, when the device cannot be fixed, the first inflating ring 2 is inflated and expanded to be fixed, the device is generally suitable for children or patients with thin arm circumferences, and further the applicability of the device is improved.
Synthesize the above-mentioned, in order to improve the installation fastness of first ring 2 and the second ring 3 of aerifing, be provided with the magic subsides that correspond the setting with the circle body 1 at first ring 2 outer walls of aerifing, can make the inflation back of first ring 2 of aerifing, paste fixed mounting in 1 inner wall of circle body through the magic, and aerify 3 outer walls of ring at the second and be provided with the magic subsides that correspond the setting with first ring 2 of aerifing, can make the second aerify 3 inflation backs of ring, paste fixed mounting in first ring 2 inner walls of aerifing through the magic. Thereby improving the convenience of medical care personnel.
In addition, in order to make the injector suitable for multi-angle adjustment, the movable rod 4 is a corrugated pipe.
Synthesize above-mentioned, in order to further improve the multi-angle regulation of syringe, keep away from 2 tip of first ring of aerifing at movable rod 4 and be provided with bulb 4.1, the clamping body 6 is close to movable rod 4 end and is provided with connecting portion 6.1 that can install bulb 4.1, and connecting portion 6.1 outer wall cover is equipped with can fixed connection portion 6.1 and bulb 4.1's adapter sleeve 5. When the clamping device is used, the clamping body 6 and the ball head 4.1 are locked through screwing the connecting sleeve 5, the movable connection between the clamping body 6 and the ball head 4.1 is realized after screwing in the opposite direction, the angle of the clamping body 6 can be adjusted, and then the angle of the needle head can be adjusted, so that the clamping device is more flexible to use.
In addition, in order to improve the convenience of assembly and disassembly of the injector, the clamping parts 7 are at least two, bolts 7.1 are arranged at the positions, away from the injector end, of the clamping parts 7, and when the injector is used, the injector can be fixed or moved by screwing the bolts 7.1. And then can improve medical personnel's work efficiency.
In order to improve the clamping stability of the syringe, the clamping part 7 is provided with a clamping structure near the syringe end, wherein the clamping structure is two groove structures embedded in the outer wall of the syringe, and can also be two concave structures provided with anti-skid rubber pads. Thereby enabling the injector to be stressed stably.
In addition, the material of the scheme is made of a material suitable for the magnetic resonance scanning magnetic field environment.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims (8)

1. A stabilizing device for an MRI high-pressure injector is characterized by comprising a round body (1) and a base (8), wherein the round body (1) is slidably arranged in the base (8);
a first inflation ring (2) coaxially mounted with the round body (1) is mounted along the inner wall of the round body (1), a first inflation pipe (2.1) is arranged on the first inflation ring (2), the first inflation pipe (2.1) flows into the first inflation ring (2) through airflow to enable the first inflation ring to expand, and the first inflation ring (2) is fixedly mounted in the round body (1) after expansion;
first ring (2) outer wall of aerifing is provided with movable rod (4), circle body (1) is provided with notch (1.1), movable rod (4) pass through notch (1.1) pass circle body (1) to its one end extends to the circle body (1) outside, and installs clamping body (6) at this end, clamping body (6) internally mounted has clamping part (7) that can the centre gripping syringe.
2. A stabilizing device for MRI high pressure syringe according to claim 1, wherein a second air-filling ring (3) is mounted coaxially with the first air-filling ring (2) inside, the second air-filling ring (3) is provided with a second air-filling tube (3.1), and the second air-filling tube (3.1) is inflated by flowing air from the second air-filling tube (3.1) into the second air-filling ring (3), and the second air-filling ring (3) is fixedly mounted inside the first air-filling ring (2) after inflation.
3. The stabilizing device for the MRI high pressure syringe as set forth in claim 2, wherein the outer wall of the first air charging ring (2) is provided with a magic tape corresponding to the circular body (1), and the outer wall of the second air charging ring (3) is provided with a magic tape corresponding to the first air charging ring (2).
4. A stabilizing device for an MRI high pressure injector according to claim 1, wherein said movable rod (4) is a bellows.
5. The stabilizing device for the MRI high-pressure injector according to claim 1, wherein a ball head (4.1) is arranged at the end of the movable rod (4) far away from the first inflating ring (2), a connecting part (6.1) corresponding to the ball head (4.1) is arranged at the end of the clamping body (6) near the movable rod (4), and a connecting sleeve (5) correspondingly installed with the connecting part and the ball head (4.1) is sleeved on the outer wall of the connecting part (6.1).
6. A stabilising arrangement for an MRI high pressure syringe according to claim 5, characterized in that the grip portion (7) is provided with a gripping formation adjacent the syringe end.
7. A stabilizing device for an MRI high pressure injector according to claim 1, characterized in that said clamping portions (7) are at least two, each of said clamping portions (7) being provided with a bolt (7.1) at a distal end from the injector, the injector being able to be fixed or movable by screwing said bolts (7.1).
8. A stabilising arrangement for an MRI high pressure injector according to claim 1, wherein the movable rod (4) is connected to the first air filled ring (2) in a frusto-conical configuration and wherein a frusto-conical recess arrangement is provided in the first air filled ring (2) to which the frusto-conical arrangement is connected.
CN202210798105.0A 2022-07-06 2022-07-06 Stabilizing device for MRI high-pressure injector Active CN115227916B (en)

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CN202210798105.0A CN115227916B (en) 2022-07-06 2022-07-06 Stabilizing device for MRI high-pressure injector

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Application Number Priority Date Filing Date Title
CN202210798105.0A CN115227916B (en) 2022-07-06 2022-07-06 Stabilizing device for MRI high-pressure injector

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CN115227916B CN115227916B (en) 2024-02-02

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CN214762543U (en) * 2021-02-03 2021-11-19 贵州省第二人民医院 Dialysis tube used in kidney and having anti-deviation function
CN113679909A (en) * 2021-09-03 2021-11-23 平凉市崆峒区中医医院 Novel intelligent insulin injection device
CN114392431A (en) * 2022-01-18 2022-04-26 刘洪凯 Injection positioning device for endocrine clinic and use method thereof

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JP2011125621A (en) * 2009-12-21 2011-06-30 Terumo Corp Manufacturing method of balloon catheter and balloon catheter manufactured by the manufacturing method
CN204193198U (en) * 2014-11-12 2015-03-11 王俊英 Urology Department hemodialysis catheter fixed support
CN204637101U (en) * 2015-03-19 2015-09-16 佳木斯大学 Urology Department hemodialysis catheter inflated type fixed support
CN205198619U (en) * 2015-11-11 2016-05-04 上海市宝山区仁和医院 Alleviate limbs supporting device that stimulation of intravenous route medicine arouses local pain
CN206642150U (en) * 2016-12-07 2017-11-17 华北理工大学 The special fixing device of haemodialysis
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CN208823617U (en) * 2018-02-05 2019-05-07 项华春 A kind of transfusion fixator servicing patient with severe symptoms
CN108325028A (en) * 2018-04-11 2018-07-27 苏清燕 A kind of injection positioning device for Endocrine Disorders
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CN113679909A (en) * 2021-09-03 2021-11-23 平凉市崆峒区中医医院 Novel intelligent insulin injection device
CN114392431A (en) * 2022-01-18 2022-04-26 刘洪凯 Injection positioning device for endocrine clinic and use method thereof

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