CN115252949A - Fluorescence development injection device for parathyroid gland - Google Patents

Fluorescence development injection device for parathyroid gland Download PDF

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Publication number
CN115252949A
CN115252949A CN202210918962.XA CN202210918962A CN115252949A CN 115252949 A CN115252949 A CN 115252949A CN 202210918962 A CN202210918962 A CN 202210918962A CN 115252949 A CN115252949 A CN 115252949A
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China
Prior art keywords
screw rod
component
piston
needle
assembly
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Granted
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CN202210918962.XA
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Chinese (zh)
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CN115252949B (en
Inventor
张夕凉
李雪
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6th Medical Center of PLA General Hospital
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6th Medical Center of PLA General Hospital
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Priority to CN202210918962.XA priority Critical patent/CN115252949B/en
Publication of CN115252949A publication Critical patent/CN115252949A/en
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Publication of CN115252949B publication Critical patent/CN115252949B/en
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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
    • A61M5/007—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
    • 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
    • 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
    • A61M5/31533—Dosing mechanisms, i.e. setting a dose
    • A61M5/31535—Means improving security or handling thereof, e.g. blocking means, means preventing insufficient dosing, means allowing correction of overset dose
    • A61M5/31536—Blocking means to immobilize a selected dose, e.g. to administer equal doses
    • 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
    • A61M5/31565—Administration mechanisms, i.e. constructional features, modes of administering a dose
    • A61M5/31576—Constructional features or modes of drive mechanisms for piston rods
    • A61M5/31583—Constructional features or modes of drive mechanisms for piston rods based on rotational translation, i.e. movement of piston rod is caused by relative rotation between the user activated actuator and the piston rod

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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 belongs to the technical field of parathyroid gland development, and discloses a fluorescent developing injection device for parathyroid gland, which comprises an injector component; the end part of the syringe component is provided with a needle head component, and the inside of the syringe component is provided with a piston component capable of moving back and forth; the piston component moves close to the needle component, and the syringe component inhales the developer; the piston assembly moves away from the needle assembly, and the syringe assembly discharges the imaging agent; the needle assembly is adapted to be inserted into a patient and to direct the imaging agent expelled from the syringe assembly into the patient. According to the invention, the spiral ring is rotated through the matching of the thread grooves, so that the spiral ring moves on the second screw rod, the spiral ring drives the limiting plate to move on the second screw rod, the limiting plate limits the maximum moving distance of the second screw rod and the piston close to the connector, and when the device injects the developer, the amount of the developer entering the body of a patient is conveniently controlled, and the developer cannot be excessively injected.

Description

Fluorescence development injection device for parathyroid gland
Technical Field
The invention belongs to the technical field of parathyroid gland development, and particularly relates to a fluorescent developing injection device for parathyroid gland.
Background
Parathyroid gland imaging is carried out by examining a parathyroid gland by an isotope and imaging is carried out, normal parathyroid gland is not imaged, and imaging of parathyroid gland is carried out by injecting an imaging agent intravenously, thereby carrying out delayed and early imaging. The injected imaging agent carries radiation, but the ray carried by the imaging agent has longer range and weaker ionization capability, so the radiation quantity is very small even if the radiation exists, and the imaging agent has no influence on the body of the imaging agent and surrounding people.
When the existing device injects the imaging agent, the imaging agent is not conveniently controlled to enter the body of a patient, manual injection is needed, when the existing device is connected with an injector, a large number of fixing structures need to be screwed, the difficulty of connecting the injector is increased, and the efficiency of connecting the injector is reduced.
Disclosure of Invention
The invention aims to provide a fluorescent developing injection device for parathyroid gland, which solves the problems that the prior art does not facilitate the control of the amount of the developer entering the body of a patient, needs manual injection and is low in efficiency when being connected with an injector.
In order to achieve the purpose, the invention provides the following technical scheme: a fluorography injection device for parathyroid gland comprises an injector component; the end part of the syringe component is provided with a needle head component, and the inside of the syringe component is provided with a piston component capable of moving back and forth; the piston component moves close to the needle component, and the syringe component inhales the developer; the piston assembly moves away from the needle assembly, and the syringe assembly discharges the imaging agent; the needle assembly is used for being inserted into a patient and guiding the developer discharged by the syringe assembly into the patient; the piston assembly is rotatably connected with a movable limiting assembly; the limiting component is used for supporting the syringe component and limiting the maximum distance of the piston component moving close to the needle component.
Preferably, the syringe assembly comprises a barrel; the inside of cylinder is seted up the cavity that holds the developer, and the one end fixedly connected with connector of cylinder.
Preferably, the needle assembly comprises a cannula; the sleeve is sleeved on the connecting head, and one end of the sleeve, back to the connecting head, is fixedly connected with a hose; one end of the hose, back to the sleeve, is fixedly connected with a needle.
Preferably, the piston assembly comprises a piston; the piston is arranged in the cavity and can reciprocate in the cavity, and a second screw rod is fixedly connected to one end, back to the connector, of the piston; and one end of the second screw rod, which is back to the piston, is fixedly connected with a push head.
Preferably, the limiting assembly comprises a limiting plate; the limiting plate is sleeved on the second screw rod, and a spiral ring is fixedly connected to one side, close to the push head, of the limiting plate; the spiral ring is sleeved on the second screw rod, a thread groove matched with the second screw rod is formed in the spiral ring, and the spiral ring can move on the second screw rod.
Preferably, the needle cylinder is sleeved with a base frame; a mounting groove is formed in one side, close to the needle cylinder, of the base frame, and a driving assembly is mounted on the base frame; the driving component is used for driving the push head to move in a reciprocating way relative to the needle cylinder; the needle cylinder is arranged in the mounting groove; a screw rod is screwed and connected with the inner part of the mounting groove, close to the lower part of the needle cylinder; the bottom end of the screw rod extending to the outside of the base frame is fixedly connected with a rotating head, and one end of the screw rod close to the needle cylinder is fixedly connected with a top plate.
Preference is given to in the above-mentioned manner, the driving assembly comprises a moving frame; guide grooves are formed in the two sides of the base frame, which are close to the mounting groove; the movable frame is arranged between the two guide grooves, and the top of the movable frame is fixedly connected with a top frame; a first screw rod is rotatably connected above the base frame close to the mounting groove; one end of the first screw rod penetrates through the top frame.
Preferably, the drive assembly further comprises a motor; the motor is fixedly connected to one side, back to the first screw rod, of the base frame, and the output end of the motor is connected with the first screw rod.
Preferably, a second connecting groove is formed in one side, opposite to the second screw rod, of the push head; the movable frame is connected with the second connecting groove in a screwing mode, and the side, close to the connecting rod, of the movable frame is provided with the first connecting groove.
Preferably, a connecting cavity is formed in one side, close to the connector, of the interior of the sleeve; one side of the inside of the connecting cavity, which is close to the connector, is rotatably connected with a one-way plate; and a rubber film is arranged between the one-way plate and the connecting cavity, and the one-way plate normally blocks the connecting cavity.
Compared with the prior art, the invention has the beneficial effects that:
(1) According to the invention, the spiral ring is rotated through the matching of the thread grooves, so that the spiral ring moves on the second screw rod, the limiting plate is driven by the spiral ring to move on the second screw rod, the maximum moving distance of the second screw rod and the piston close to the connector is limited by the limiting plate, when the device injects a developer, the quantity of the developer entering the body of a patient is conveniently controlled, and the developer is not excessively injected.
(2) On the basis of the beneficial effects, the motor drives the first screw rod to rotate, so that the top frame moves on the first screw rod, the top frame drives the moving frame to move, the moving frame drives the pushing head to move, and the moving frame pushes the pushing head, so that the developer is automatically discharged, the medical staff does not need to manually inject the developer, the injection efficiency of the developer is improved, and the speed of the developer during injection is more uniform.
(3) On the basis of the beneficial effects, the connecting rod is connected with the moving frame and the pushing head in a screwing mode through the matching of the first connecting groove and the second connecting groove, when the moving frame moves, the moving frame drives the pushing head to move close to the connecting head or the pushing head moves away from the connecting head, and the device is convenient to discharge the developer and supplement the developer.
(4) According to the invention, the needle cylinder is placed in the mounting groove on the base frame, the rotary head is rotated, the rotary head drives the screw rod to rotate, so that the screw rod moves in the base frame, the top plate is driven to move through the screw rod, and the top plate is abutted against the needle cylinder, so that when the device is connected with an injector, a large number of fixing structures do not need to be screwed, the difficulty in connecting the injector is reduced, and the efficiency of connecting the injector is improved.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is an internal block diagram of the syringe assembly of the present invention;
FIG. 4 is an internal structure view of the sleeve and the connector of the present invention;
FIG. 5 is a right side view of the present invention;
FIG. 6 is a left side view of the casing being removed in accordance with the present invention;
FIG. 7 is an internal structure view of the movable frame of the present invention when it is coupled to the connection rod;
FIG. 8 is an enlarged view of section A of the present invention;
FIG. 9 is an enlarged view of section B of the present invention;
in the figure: 1. a needle head; 2. a first connecting groove; 3. a hose; 4. a sleeve; 5. a top frame; 6. a needle cylinder; 7. a first lead screw; 8. a movable frame; 9. a top plate; 10. a base frame; 11. a motor; 12. a limiting plate; 13. pushing the head; 14. a connecting rod; 15. turning the head; 16. a screw; 17. a connector; 18. a second screw rod; 19. a spiro ring; 20. a piston; 21. a connecting cavity; 22. a one-way plate; 23. mounting grooves; 24. a guide groove; 25. a second connecting groove; 26. a thread groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-9, the present invention provides the following technical solutions:
the first embodiment is as follows:
a fluorography injection device for parathyroid gland comprises an injector component;
the end part of the injector component is provided with a needle head component, and the inside of the injector component is provided with a piston component which can move in a reciprocating way;
the piston component moves close to the needle head component, and the syringe component sucks developer;
the piston assembly moves away from the needle assembly, and the syringe assembly discharges the developer;
the needle assembly is used for being inserted into a patient and guiding the developer discharged by the syringe assembly into the patient;
the piston assembly is rotatably connected with a movable limiting assembly;
the limiting assembly is used for propping against the syringe assembly and limiting the maximum moving distance of the piston assembly close to the needle assembly;
the injector assembly comprises a barrel 6;
a cavity for accommodating the developer is formed in the needle cylinder 6, and one end of the needle cylinder 6 is fixedly connected with a connector 17;
the needle assembly comprises a cannula 4;
the sleeve 4 is sleeved on the connector 17, and one end of the sleeve 4 opposite to the connector 17 is fixedly connected with the hose 3;
one end of the hose 3 opposite to the sleeve 4 is fixedly connected with a needle head 1;
a connecting cavity 21 is formed in one side, close to the connector 17, of the interior of the sleeve 4;
one side of the interior of the connecting cavity 21 close to the connector 17 is rotatably connected with a one-way plate 22;
a rubber film is arranged between the one-way plate 22 and the connecting cavity 21, and the one-way plate 22 blocks the connecting cavity 21 under a normal state.
By the technical scheme, the connector 17 is inserted into a container for storing the developer, the piston assembly inside the needle cylinder 6 is pulled, the piston assembly is far away from the connector 17 to move, so that the connector 17 extracts the developer, the developer enters a cavity inside the needle cylinder 6, after the needle cylinder 6 absorbs the developer, the sleeve 4 is connected with the connector 17 through the connecting cavity 21, the hose 3 and the sleeve 4 are fixedly connected to one end of the connector 17, the limiting assembly on the piston assembly is rotated, the limiting assembly moves relative to the piston assembly, the limiting assembly moves to a position required by a user, the needle 1 is inserted to the position where the developer needs to be injected by the patient, the piston assembly is pushed, the piston assembly pushes the developer inside the needle cylinder 6, the one-way plate 22 is pushed by the developer, the one-way plate 22 rotates, the one-way plate 22 is opened, the developer is discharged through the sleeve 4, the hose 3 and the needle 1, so that the developer enters the patient, the maximum moving distance of the piston assembly is limited by the limiting assembly, the amount of the developer entering the patient is controlled, when the medical staff needs to supplement the developer, the midway, the medical staff pulls the needle cylinder 6, the needle cylinder 6 drives the connector 17 to move, and the syringe 6 to be connected with the rubber film, so that the connector 17 is conveniently plugged by the one-way rubber film.
Example two:
a fluorography injection device for parathyroid gland comprises an injector component;
the end part of the injector component is provided with a needle head component, and the inside of the injector component is provided with a piston component which can move in a reciprocating way;
the piston component moves close to the needle head component, and the syringe component sucks developer;
the piston assembly moves away from the needle assembly, and the syringe assembly discharges the developer;
the needle assembly is used for being inserted into a patient and guiding the developer discharged by the syringe assembly into the patient;
the piston assembly is rotatably connected with a movable limiting assembly;
the limiting assembly is used for propping against the syringe assembly and limiting the maximum moving distance of the piston assembly close to the needle assembly;
the injector assembly comprises a barrel 6;
a cavity for containing developer is arranged inside the needle cylinder 6, and one end of the needle cylinder 6 is fixedly connected with a connector 17;
the needle assembly comprises a cannula 4;
the sleeve 4 is sleeved on the connector 17, and one end of the sleeve 4, which is back to the connector 17, is fixedly connected with the hose 3;
one end of the hose 3 opposite to the sleeve 4 is fixedly connected with a needle head 1;
the piston assembly includes a piston 20;
the piston 20 is arranged in the cavity, the piston 20 can reciprocate in the cavity, and one end, opposite to the connector 17, of the piston 20 is fixedly connected with a second screw rod 18;
the end of the second screw 18 opposite to the piston 20 is fixedly connected with a pushing head 13.
According to the technical scheme, the connector 17 is inserted into a container for storing the developer, the push head 13 is pulled, the push head 13 drives the second screw rod 18 to move, the piston 20 is driven by the second screw rod 18 to move inside the needle cylinder 6, the piston 20 is far away from the connector 17 to move, the developer is extracted by the connector 17 and enters a cavity inside the needle cylinder 6, after the needle cylinder 6 absorbs the developer, the sleeve 4 is connected with the connector 17 through the connecting cavity 21, the hose 3 and the sleeve 4 are fixedly connected to one end of the connector 17, the limiting component on the second screw rod 18 is rotated, the limiting component moves relative to the second screw rod 18, the limiting component moves to a position required by a user, the needle head 1 is inserted to a position where the developer needs to be injected by the patient, the push head 13 is pushed, the push head 13 drives the second screw rod 18 to move, the piston 20 is driven by the second screw rod 18 to move, the piston 20 pushes the developer inside the needle cylinder 6, the developer is discharged through the sleeve 4, the hose 3 and the needle head 1, the developer enters the body of the patient, the maximum moving distance of the piston 20 is limited, and the developer entering the patient is controlled.
Example three:
a fluorography injection device for parathyroid gland comprises an injector component;
the end part of the syringe component is provided with a needle component, and the inside of the syringe component is provided with a piston component which can move in a reciprocating way;
the piston component moves close to the needle head component, and the syringe component sucks developer;
the piston component moves away from the needle component, and the syringe component discharges the developer;
the needle assembly is used for being inserted into a patient and guiding the developer discharged by the syringe assembly into the patient;
the piston assembly is rotatably connected with a movable limiting assembly;
the limiting assembly is used for propping against the syringe assembly and limiting the maximum moving distance of the piston assembly close to the needle assembly;
the injector assembly comprises a barrel 6;
a cavity for containing developer is arranged inside the needle cylinder 6, and one end of the needle cylinder 6 is fixedly connected with a connector 17;
the needle assembly comprises a cannula 4;
the sleeve 4 is sleeved on the connector 17, and one end of the sleeve 4 opposite to the connector 17 is fixedly connected with the hose 3;
one end of the hose 3, which is opposite to the sleeve 4, is fixedly connected with a needle head 1;
the piston assembly includes a piston 20;
the piston 20 is arranged in the cavity, the piston 20 can reciprocate in the cavity, and one end, opposite to the connector 17, of the piston 20 is fixedly connected with a second screw rod 18;
one end of the second screw rod 18, which is opposite to the piston 20, is fixedly connected with a push head 13;
the limiting assembly comprises a limiting plate 12;
the limiting plate 12 is sleeved on the second screw rod 18, and a spiral ring 19 is fixedly connected to one side of the limiting plate 12 close to the push head 13;
the spiral ring 19 is sleeved on the second screw rod 18, a thread groove 26 matched with the second screw rod 18 is formed in the spiral ring 19, and the spiral ring 19 can move on the second screw rod 18.
According to the technical scheme, the connector 17 is inserted into a container for storing the developer, the push head 13 is pulled, the push head 13 drives the second screw rod 18 to move, the piston 20 is driven by the second screw rod 18 to move inside the syringe 6, the piston 20 is far away from the connector 17 to move, the developer is extracted by the connector 17 and enters a cavity inside the syringe 6, after the syringe 6 absorbs the developer, the sleeve 4 is connected with the connector 17 through the connecting cavity 21, the hose 3 and the sleeve 4 are fixedly connected to one end of the connector 17, the spiral ring 19 on the second screw rod 18 is rotated, the spiral ring 19 is matched with the second screw rod 18 to move relative to the second screw rod 18, the limiting plate 12 is driven by the spiral ring 19 to move, the spiral ring 19 and the limiting plate 12 are moved to positions required by a user, the needle 1 is inserted into positions required by the patient to inject the developer, the push head 13 drives the second screw rod 18 to move, the piston 20 is driven by the second screw rod 18 to move, the piston 20 pushes the developer inside the syringe 6, the syringe 4, the hose 3 and the needle 1 and discharges the developer into the limiting plate 12, and the patient can control the maximum distance of the developer.
Example four:
a fluorescence development injection device for parathyroid gland, comprises a syringe component;
the end part of the injector component is provided with a needle head component, and the inside of the injector component is provided with a piston component which can move in a reciprocating way;
the piston component moves close to the needle head component, and the syringe component sucks developer;
the piston assembly moves away from the needle assembly, and the syringe assembly discharges the developer;
the needle assembly is used for being inserted into a patient and guiding the developer discharged by the syringe assembly into the patient;
the piston assembly is rotatably connected with a movable limiting assembly;
the limiting assembly is used for propping against the syringe assembly and limiting the maximum moving distance of the piston assembly close to the needle assembly;
the injector assembly comprises a barrel 6;
a cavity for containing developer is arranged inside the needle cylinder 6, and one end of the needle cylinder 6 is fixedly connected with a connector 17;
the needle assembly comprises a cannula 4;
the sleeve 4 is sleeved on the connector 17, and one end of the sleeve 4, which is back to the connector 17, is fixedly connected with the hose 3;
one end of the hose 3 opposite to the sleeve 4 is fixedly connected with a needle head 1;
the piston assembly includes a piston 20;
the piston 20 is arranged in the cavity, the piston 20 can reciprocate in the cavity, and one end, opposite to the connector 17, of the piston 20 is fixedly connected with a second screw rod 18;
one end of the second screw rod 18, which is opposite to the piston 20, is fixedly connected with a push head 13;
the limiting assembly comprises a limiting plate 12;
the limiting plate 12 is sleeved on the second screw rod 18, and a spiral ring 19 is fixedly connected to one side of the limiting plate 12 close to the push head 13;
the spiral ring 19 is sleeved on the second screw rod 18, a thread groove 26 matched with the second screw rod 18 is formed in the spiral ring 19, and the spiral ring 19 can move on the second screw rod 18;
the needle cylinder 6 is sleeved with a base frame 10;
a mounting groove 23 is formed in one side, close to the needle cylinder 6, of the base frame 10, and a driving assembly is mounted on the base frame 10;
the driving component is used for driving the push head 13 to move in a reciprocating way relative to the needle cylinder 6;
the needle cylinder 6 is arranged inside the mounting groove 23;
a screw 16 is screwed and connected in the mounting groove 23 and close to the lower part of the needle cylinder 6;
the bottom end of the screw 16 extending to the outside of the base frame 10 is fixedly connected with a rotary head 15, and one end of the screw 16 close to the needle cylinder 6 is fixedly connected with a top plate 9;
the driving assembly comprises a moving frame 8;
both sides of the inside of the base frame 10 close to the mounting groove 23 are provided with guide grooves 24;
the movable frame 8 is arranged between the two guide grooves 24, and the top of the movable frame 8 is fixedly connected with the top frame 5;
a first screw rod 7 is rotatably connected above the base frame 10 close to the mounting groove 23;
one end of the first screw rod 7 penetrates through the top frame 5;
the drive assembly further comprises a motor 11;
the motor 11 is fixedly connected to the base frame 10 at a side opposite to the first lead screw 7, and an output end of the motor 11 is connected with the first lead screw 7.
Through the technical scheme, the connector 17 is inserted into a container for storing a developer, the push head 13 is pulled, the push head 13 drives the second screw rod 18 to move, the second screw rod 18 drives the piston 20 to move in the syringe 6, the piston 20 is far away from the connector 17 to move, so that the connector 17 extracts the developer, the developer enters a cavity in the syringe 6, the syringe 6 absorbs the developer, the sleeve 4 is connected with the connector 17 through the connecting cavity 21, the hose 3 and the sleeve 4 are fixedly connected to one end of the connector 17, the spiral ring 19 on the second screw rod 18 is rotated, the spiral ring 19 is matched with the second screw rod 18 to move relative to the second screw rod 18, the limiting plate 12 is driven to move through the spiral ring 19, the spiral ring 19 and the limiting plate 12 are moved to positions required by a user, the syringe 6 is placed in the mounting groove 23 in the base frame 10, and after the syringe 6 is placed, rotating the rotary head 15, driving the screw rod 16 to rotate through the rotary head 15, thereby moving the screw rod 16 in the base frame 10, driving the top plate 9 to move through the screw rod 16, thereby the top plate 9 props against the needle cylinder 6, thereby the needle cylinder 6 is fixed on the base frame 10, making the pushing head 13 close to one side of the moving frame 8, driving the first screw rod 7 to rotate through the motor 11, thereby moving the top frame 5 on the first screw rod 7, driving the moving frame 8 to move through the top frame 5, pushing the pushing head 13 through the moving frame 8, inserting the needle head 1 to the position where the patient needs to inject the developer, making the pushing head 13 drive the second screw rod 18 to move, driving the piston 20 to move through the second screw rod 18, thereby making the piston 20 push the developer inside the needle cylinder 6, discharging the developer through the sleeve 4, the hose 3 and the needle head 1, thereby making the developer enter the patient, limiting the maximum moving distance of the piston 20 through the limiting plate 12, thereby controlling the amount of imaging agent entering the patient.
Example five:
a fluorography injection device for parathyroid gland comprises an injector component;
the end part of the syringe component is provided with a needle component, and the inside of the syringe component is provided with a piston component which can move in a reciprocating way;
the piston component moves close to the needle head component, and the syringe component sucks developer;
the piston assembly moves away from the needle assembly, and the syringe assembly discharges the developer;
the needle assembly is used for being inserted into a patient and guiding the developer discharged by the syringe assembly into the patient;
the piston assembly is rotatably connected with a movable limiting assembly;
the limiting assembly is used for propping against the syringe assembly and limiting the maximum moving distance of the piston assembly close to the needle assembly;
the injector assembly comprises a barrel 6;
a cavity for containing developer is arranged inside the needle cylinder 6, and one end of the needle cylinder 6 is fixedly connected with a connector 17;
the needle assembly comprises a cannula 4;
the sleeve 4 is sleeved on the connector 17, and one end of the sleeve 4 opposite to the connector 17 is fixedly connected with the hose 3;
one end of the hose 3, which is opposite to the sleeve 4, is fixedly connected with a needle head 1;
the piston assembly includes a piston 20;
the piston 20 is arranged in the cavity, the piston 20 can reciprocate in the cavity, and one end, opposite to the connector 17, of the piston 20 is fixedly connected with a second screw rod 18;
one end of the second screw rod 18, which is opposite to the piston 20, is fixedly connected with a push head 13;
the limiting assembly comprises a limiting plate 12;
the limiting plate 12 is sleeved on the second screw rod 18, and a spiral ring 19 is fixedly connected to one side of the limiting plate 12 close to the push head 13;
the spiral ring 19 is sleeved on the second screw rod 18, a thread groove 26 matched with the second screw rod 18 is formed in the spiral ring 19, and the spiral ring 19 can move on the second screw rod 18;
the needle cylinder 6 is sleeved with a base frame 10;
a mounting groove 23 is formed in one side, close to the needle cylinder 6, of the base frame 10, and a driving assembly is mounted on the base frame 10;
the driving component is used for driving the push head 13 to move in a reciprocating way relative to the needle cylinder 6;
the needle cylinder 6 is arranged inside the mounting groove 23;
a screw 16 is screwed and connected in the mounting groove 23 and close to the lower part of the needle cylinder 6;
the bottom end of the screw 16 extending to the outside of the base frame 10 is fixedly connected with a rotary head 15, and one end of the screw 16 close to the needle cylinder 6 is fixedly connected with a top plate 9;
the driving assembly comprises a moving frame 8;
both sides of the inside of the base frame 10 close to the mounting groove 23 are provided with guide grooves 24;
the movable frame 8 is arranged between the two guide grooves 24, and the top of the movable frame 8 is fixedly connected with a top frame 5;
a first screw rod 7 is rotatably connected above the base frame 10 close to the mounting groove 23;
one end of the first screw rod 7 penetrates through the top frame 5;
the drive assembly further comprises a motor 11;
the motor 11 is fixedly connected to one side, back to the first screw rod 7, of the base frame 10, and the output end of the motor 11 is connected with the first screw rod 7;
a second connecting groove 25 is formed in one side, opposite to the second screw rod 18, of the push head 13;
move and close between frame 8 and the second connecting groove 25 and be connected with connecting rod 14 soon, and move one side that frame 8 is close to connecting rod 14 and seted up first connecting groove 2.
Through the technical scheme, the connector 17 is inserted into a container for storing the developer, the push head 13 is pulled to enable the push head 13 to drive the second screw rod 18 to move, the piston 20 is driven by the second screw rod 18 to move in the needle cylinder 6, the piston 20 is driven to move away from the connector 17, so that the connector 17 extracts the developer, the developer enters the cavity in the needle cylinder 6, after the needle cylinder 6 absorbs the developer, the sleeve 4 is connected with the connector 17 through the connecting cavity 21, the hose 3 and the sleeve 4 are fixedly connected to one end of the connector 17, the spiral ring 19 on the second screw rod 18 is rotated, the spiral ring 19 is matched with the second screw rod 18 to enable the spiral ring 19 to move relative to the second screw rod 18, the limiting plate 12 is driven by the spiral ring 19 to move, the spiral ring 19 and the limiting plate 12 are moved to the position required by a user, the needle cylinder 6 is placed in the mounting groove 23 in the base frame 10, after the syringe 6 is placed, the rotating head 15 is rotated, the rotating head 15 drives the screw rod 16 to rotate, so that the screw rod 16 moves in the base frame 10, the screw rod 16 drives the top plate 9 to move, so that the top plate 9 abuts against the syringe 6, the syringe 6 is fixed on the base frame 10, the pushing head 13 is close to one side of the movable frame 8, the connecting rod 14 is screwed and connected between the pushing head 13 and the movable frame 8 through the cooperation of the first connecting groove 2 and the second connecting groove 25, the motor 11 drives the first lead screw 7 to rotate, so that the top frame 5 moves on the first lead screw 7, the movable frame 8 is driven to move through the top frame 5, the pushing head 13 is pushed through the movable frame 8, the syringe head 1 is inserted to a position where a patient needs to inject a developer, the pushing head 13 drives the second lead screw 18 to move, the piston 20 is driven to move through the second lead screw 18, so that the piston 20 pushes the developer in the syringe 6, and the cannula 4, hose 3 and syringe needle 1 discharge developer, thereby let the developer get into to the patient internal, the biggest displacement distance through limiting plate 12 restriction piston 20, thereby control gets into the internal developer's of patient quantity, when needing to supply the developer, insert connector 17 in the container of storing the developer, it rotates to drive first lead screw 7 through motor 11, thereby let roof-rack 5 move back on first lead screw 7, it moves back to move back to drive through roof-rack 5, through moving 8 pulling push head 13 of roof-rack, make push head 13 drive second lead screw 18 and move back, drive piston 20 and move back through second lead screw 18, connector 17 absorbs the developer.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. A fluorescent developing injection device for parathyroid gland is characterized in that: comprises a syringe component;
the end part of the syringe component is provided with a needle head component, and the inside of the syringe component is provided with a piston component capable of moving back and forth;
the piston component moves close to the needle component, and the syringe component inhales the developer;
the piston assembly moves away from the needle assembly, and the syringe assembly discharges the imaging agent;
the needle assembly is used for being inserted into a patient and guiding the developer discharged by the syringe assembly into the patient;
the piston assembly is rotatably connected with a movable limiting assembly;
the limiting component is used for supporting the syringe component and limiting the maximum distance of the piston component moving close to the needle component.
2. The fluorography bolus device for parathyroid gland according to claim 1, wherein: the injector assembly comprises a barrel (6);
the inside of cylinder (6) is seted up the cavity that holds the developer, and the one end fixedly connected with connector (17) of cylinder (6).
3. The fluorography bolus device for parathyroid gland according to claim 2, wherein: the needle assembly comprises a cannula (4);
the sleeve (4) is sleeved on the connector (17), and one end, back to the connector (17), of the sleeve (4) is fixedly connected with the hose (3);
one end of the hose (3) back to the sleeve (4) is fixedly connected with a needle (1).
4. A fluorography bolus device for parathyroid gland according to claim 2 or 3, wherein: the piston assembly comprises a piston (20);
the piston (20) is arranged in the cavity, the piston (20) can reciprocate in the cavity, and one end, opposite to the connector (17), of the piston (20) is fixedly connected with a second screw rod (18);
one end of the second screw rod (18) back to the piston (20) is fixedly connected with a push head (13).
5. The fluorography bolus device for parathyroid gland according to claim 4, wherein: the limiting assembly comprises a limiting plate (12);
the limiting plate (12) is sleeved on the second screw rod (18), and one side, close to the push head (13), of the limiting plate (12) is fixedly connected with a spiral ring (19);
the spiral ring (19) is sleeved on the second screw rod (18), a thread groove (26) matched with the second screw rod (18) is formed in the spiral ring (19), and the spiral ring (19) can move on the second screw rod (18).
6. The fluorography bolus device for parathyroid gland according to claim 5, wherein: the needle cylinder (6) is sleeved with a base frame (10);
an installation groove (23) is arranged on one side of the inside of the base frame (10) close to the needle cylinder (6), and a driving component is arranged on the pedestal (10);
the driving component is used for driving the push head (13) to move in a reciprocating way relative to the needle cylinder (6);
the needle cylinder (6) is arranged in the mounting groove (23);
a screw rod (16) is screwed and connected in the mounting groove (23) and close to the lower part of the needle cylinder (6);
the bottom end of the screw rod (16) extending to the outside of the base frame (10) is fixedly connected with a rotating head (15), and one end of the screw rod (16) close to the needle cylinder (6) is fixedly connected with a top plate (9).
7. The fluorography bolus device for parathyroid gland according to claim 6, wherein: the drive assembly comprises a mobile frame (8);
guide grooves (24) are formed in the base frame (10) at two sides close to the mounting groove (23);
the moving frame (8) is arranged between the two guide grooves (24), and the top of the moving frame (8) is fixedly connected with a top frame (5);
a first screw rod (7) is rotatably connected above the base frame (10) close to the mounting groove (23);
one end of the first screw rod (7) penetrates through the top frame (5).
8. The fluorography bolus device for parathyroid gland according to claim 7, wherein: the drive assembly further comprises a motor (11);
the motor (11) is fixedly connected to one side, back to the first screw rod (7), of the base frame (10), and the output end of the motor (11) is connected with the first screw rod (7).
9. The fluorographic bolus device for parathyroid gland according to claim 5, 6, 7 or 8, wherein: a second connecting groove (25) is formed in one side, opposite to the second screw rod (18), of the push head (13);
move and close between frame (8) and second spread groove (25) and be connected with connecting rod (14) soon, and move one side that frame (8) is close to connecting rod (14) and seted up first spread groove (2).
10. The fluorography bolus device for parathyroid gland according to claim 3, wherein: a connecting cavity (21) is formed in one side, close to the connector (17), of the interior of the sleeve (4);
one side of the interior of the connecting cavity (21), which is close to the connector (17), is rotatably connected with a one-way plate (22);
a rubber film is arranged between the one-way plate (22) and the connecting cavity (21), and the one-way plate (22) blocks the connecting cavity (21) in a normal state.
CN202210918962.XA 2022-08-02 2022-08-02 Fluorescent development injection device for parathyroid gland Active CN115252949B (en)

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Application Number Priority Date Filing Date Title
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Publication number Priority date Publication date Assignee Title
KR101328443B1 (en) * 2013-05-13 2013-11-14 이상조 Apparatus for injecting medicine
CN109364334A (en) * 2018-09-28 2019-02-22 黄桂庭 A kind of syringe
CN209790608U (en) * 2018-12-29 2019-12-17 广东百合医疗科技股份有限公司 Pressure-resistant needleless infusion joint
CN210301918U (en) * 2019-05-21 2020-04-14 威海市立医院 Syringe for local anesthesia in operation of anesthesia department in hospital
CN211301521U (en) * 2017-09-26 2020-08-21 孙洪涛 Anesthetic syringe capable of accurately controlling dosage
CN212089835U (en) * 2020-02-17 2020-12-08 董运起 Continuous syringe for veterinary epidemic prevention and treatment
CN213347240U (en) * 2020-09-08 2021-06-04 首都医科大学附属北京佑安医院 Dosage-controllable syringe for anesthesia department
CN213554339U (en) * 2020-09-29 2021-06-29 南通市第一人民医院 Contrast agent injection equipment for interventional department
CN215780475U (en) * 2021-09-01 2022-02-11 西安中科长青医疗科技研究院有限公司 Fluorescence development injection device for parathyroid gland
US20220105275A1 (en) * 2020-10-01 2022-04-07 Kaiyang JIANG Automatic injection syringe

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101328443B1 (en) * 2013-05-13 2013-11-14 이상조 Apparatus for injecting medicine
CN211301521U (en) * 2017-09-26 2020-08-21 孙洪涛 Anesthetic syringe capable of accurately controlling dosage
CN109364334A (en) * 2018-09-28 2019-02-22 黄桂庭 A kind of syringe
CN209790608U (en) * 2018-12-29 2019-12-17 广东百合医疗科技股份有限公司 Pressure-resistant needleless infusion joint
CN210301918U (en) * 2019-05-21 2020-04-14 威海市立医院 Syringe for local anesthesia in operation of anesthesia department in hospital
CN212089835U (en) * 2020-02-17 2020-12-08 董运起 Continuous syringe for veterinary epidemic prevention and treatment
CN213347240U (en) * 2020-09-08 2021-06-04 首都医科大学附属北京佑安医院 Dosage-controllable syringe for anesthesia department
CN213554339U (en) * 2020-09-29 2021-06-29 南通市第一人民医院 Contrast agent injection equipment for interventional department
US20220105275A1 (en) * 2020-10-01 2022-04-07 Kaiyang JIANG Automatic injection syringe
CN215780475U (en) * 2021-09-01 2022-02-11 西安中科长青医疗科技研究院有限公司 Fluorescence development injection device for parathyroid gland

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