CN115252949B - Fluorescent development injection device for parathyroid gland - Google Patents
Fluorescent development injection device for parathyroid gland Download PDFInfo
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- CN115252949B CN115252949B CN202210918962.XA CN202210918962A CN115252949B CN 115252949 B CN115252949 B CN 115252949B CN 202210918962 A CN202210918962 A CN 202210918962A CN 115252949 B CN115252949 B CN 115252949B
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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 imaging, and discloses a fluorescence development injection device for parathyroid, which comprises an injector component; the end part of the injector assembly is provided with a needle head assembly, and the inside of the injector assembly is provided with a piston assembly capable of moving back and forth; the piston assembly moves near the needle assembly, and the injector assembly sucks 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 imaging agent expelled from the syringe assembly into the patient. According to the invention, the spiral ring is rotated by matching 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, and the maximum moving distance of the second screw rod and the piston close to the connector is limited by the limiting plate, so that when the device injects the imaging agent, the imaging agent can be conveniently controlled to enter a patient, and the imaging agent cannot be excessively injected.
Description
Technical Field
The invention belongs to the technical field of parathyroid imaging, and particularly relates to a fluorescent imaging injection device for parathyroid.
Background
Parathyroid imaging is performed by isotopically examining and imaging parathyroid glands, normal parathyroid glands are not visualized, and parathyroid gland imaging is performed by intravenous injection of an imaging agent, thereby performing delayed and early imaging. The injected imaging agent is provided with radiation, but the radiation carried by the imaging agent only has longer range and weaker ionization capacity, so that the quantity of the imaging agent is very small even if the imaging agent is provided with radiation, and the imaging agent has no influence on the body and surrounding people.
When the existing device injects the developer, the amount of the developer entering the patient is inconvenient to control, manual injection is needed, and when the existing device is connected with the injector, a large number of fixing structures are needed to be screwed, so that 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 development injection device for parathyroid glands, which solves the problems that the amount of an imaging agent entering a patient is inconvenient to control, manual injection is needed and the efficiency of connecting a syringe is low in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions: a fluorescence development injection device for parathyroid glands comprises a syringe assembly; the end part of the injector assembly is provided with a needle head assembly, and the inside of the injector assembly is provided with a piston assembly capable of moving back and forth; the piston assembly moves near the needle assembly, and the injector assembly sucks 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 imaging agent discharged by the injector assembly into the patient; the piston assembly is connected with a movable limiting assembly in a screwing way; the limiting component is used for propping against the injector component and limiting the maximum distance that the piston component moves close to the needle component.
Preferably, the injector assembly comprises a syringe; the inside of the needle cylinder is provided with a cavity for containing the developer, and one end of the needle cylinder is fixedly connected with a connector.
Preferably, the needle assembly comprises a cannula; the sleeve is sleeved on the connector, and a hose is fixedly connected to one end of the sleeve opposite to the connector; and one end of the hose opposite 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 of the piston opposite to the connector; and one end of the second screw rod, which is opposite 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 one side of the limiting plate, which is close to the push head, is fixedly connected with a spiral ring; 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 inside 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 reciprocate relative to the needle cylinder; the needle cylinder is arranged in the mounting groove; a screw rod is screwed and connected to the inside of the mounting groove and close to the lower part of the needle cylinder; the screw rod extends to the outside bottom fixedly connected with of bed frame and turns round, and the screw rod is close to the one end fixedly connected with roof of cylinder.
Preferably, the driving assembly includes a moving frame; guide grooves are formed in two sides, close to the mounting grooves, of the base frame; the movable frame is arranged between the two guide grooves, and the top of the movable frame is fixedly connected with a top frame; the base frame is connected with a first screw rod in a rotating way above 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 of the base frame, which is opposite to the first screw rod, 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 one 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 inside of the sleeve; one side, close to the connector, of the inside of the connecting cavity is rotationally 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 blocks the connecting cavity in a normal state.
Compared with the prior art, the invention has the beneficial effects that:
(1) According to the invention, the spiral ring is rotated by matching 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, and the maximum moving distance of the second screw rod and the piston close to the connector is limited by the limiting plate, so that when the device injects the imaging agent, the imaging agent can be conveniently controlled to enter a patient, and the imaging agent cannot be 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 movable frame to move, the movable frame drives the push head to move, and the movable frame pushes the push head, so that the developer is automatically discharged, medical staff does not need to manually inject, 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 movable frame in a screwing way through the first connecting groove and the second connecting groove, when the movable frame moves, the movable frame drives the movable head to move close to the connector or move away from the connector, so that the device is convenient for discharging the developer and supplementing the developer.
(4) According to the invention, the needle cylinder is placed through the mounting groove on the base frame, the rotary head is rotated, so that the rotary head drives the screw rod to rotate, the screw rod is enabled to move in the base frame, and the top plate is enabled to move through the screw rod, so that the top plate is enabled to prop against the needle cylinder, and when the device is connected with the injector, a large number of fixing structures are not required to be screwed, the difficulty of 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 structural view of the sleeve of the present invention when connected to a connector;
FIG. 5 is a right side view of the present invention;
FIG. 6 is a left side view of the present invention with the sleeve removed;
FIG. 7 is an internal structural view of the mobile frame of the present invention when connected to a connecting 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; 2. a first connection groove; 3. a hose; 4. a sleeve; 5. a top frame; 6. a needle cylinder; 7. a first screw rod; 8. a moving rack; 9. a top plate; 10. a base frame; 11. a motor; 12. a limiting plate; 13. pushing heads; 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 unidirectional plate; 23. a mounting groove; 24. a guide groove; 25. a second connecting groove; 26. a thread groove.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 9, the present invention provides the following technical solutions:
embodiment one:
a fluorescence development injection device for parathyroid glands comprises a syringe assembly;
the end part of the injector assembly is provided with a needle head assembly, and the inside of the injector assembly is provided with a piston assembly capable of moving back and forth;
the piston assembly moves close to the needle assembly, and the injector assembly sucks the 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 imaging agent discharged by the injector assembly into the patient;
the piston component is connected with a movable limiting component in a screwing way;
the limiting component is used for propping against the injector component and limiting the maximum distance of the piston component moving close to the needle component;
the injector assembly comprises a syringe 6;
a cavity for containing 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 connecting cavity 21, which is close to the connector 17, is rotatably connected with a one-way plate 22;
a rubber membrane is installed between the unidirectional plate 22 and the connecting cavity 21, and the unidirectional plate 22 normally blocks the connecting cavity 21.
Through the technical scheme, the connector 17 is inserted into the container for storing the developer, the piston component in the needle cylinder 6 is pulled, the piston component is made to move away from the connector 17, so that the connector 17 extracts the developer, the developer enters into 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, so that the hose 3 and the sleeve 4 are fixedly connected with one end of the connector 17, the limiting component on the piston component is rotated, the limiting component is made to move relative to the piston component, the limiting component is made to move to a position required by a user, the needle 1 is inserted into the position required by a patient, the piston component is pushed, the piston component is made to push the developer in the needle cylinder 6, the one-way plate 22 is pushed by the developer, the one-way plate 22 is made to rotate, the one-way plate 22 is made to be opened, the largest moving distance of the sleeve 4, the hose 3 and the needle 1 is made to discharge the developer through the sleeve, so that the developer enters into the patient, the maximum moving distance of the piston component is limited through the limiting component, the amount of the developer entering into the patient is controlled, when the developer is required by personnel, the needle cylinder 6 is pulled, the connector 6 is made to move, the needle cylinder 17 is made to drive the needle cylinder 17, the needle cylinder 17 is made to move, the needle cylinder 17 and the needle cylinder 4 is made to move to be connected with the one-way plate 22 through the one-way film 21, and the one-way plate is made to block the one-way film 22 by the one-way plate 22.
Embodiment two:
a fluorescence development injection device for parathyroid glands comprises a syringe assembly;
the end part of the injector assembly is provided with a needle head assembly, and the inside of the injector assembly is provided with a piston assembly capable of moving back and forth;
the piston assembly moves close to the needle assembly, and the injector assembly sucks the 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 imaging agent discharged by the injector assembly into the patient;
the piston component is connected with a movable limiting component in a screwing way;
the limiting component is used for propping against the injector component and limiting the maximum distance of the piston component moving close to the needle component;
the injector assembly comprises a syringe 6;
a cavity for containing 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;
the piston assembly includes a piston 20;
the piston 20 is arranged in the cavity, the piston 20 can reciprocate in the cavity, and a second screw rod 18 is fixedly connected to one end of the piston 20 opposite to the connector 17;
the second screw rod 18 is fixedly connected with a push head 13 at one end opposite to the piston 20.
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 to move in the syringe 6 by the second screw rod 18, the piston 20 is driven to move away from the connector 17, the developer is extracted by the connector 17, the developer enters into a cavity in the syringe 6, after the developer is sucked by the syringe 6, 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 second screw rod 18 is rotated, the limiting assembly moves relative to the second screw rod 18, the limiting assembly moves to a position required by a user, the needle 1 is inserted into the position required by the patient for injecting the developer, the push head 13 is driven to move by the second screw rod 18, the piston 20 is driven by the second screw rod 18, the developer in the syringe 6 is driven by the piston 20, the developer is discharged by the sleeve 4, the hose 3 and the needle 1, the developer enters into the patient, the maximum moving distance of the piston 20 is limited by the limiting assembly, and the amount of the developer enters into the patient.
Embodiment III:
a fluorescence development injection device for parathyroid glands comprises a syringe assembly;
the end part of the injector assembly is provided with a needle head assembly, and the inside of the injector assembly is provided with a piston assembly capable of moving back and forth;
the piston assembly moves close to the needle assembly, and the injector assembly sucks the 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 imaging agent discharged by the injector assembly into the patient;
the piston component is connected with a movable limiting component in a screwing way;
the limiting component is used for propping against the injector component and limiting the maximum distance of the piston component moving close to the needle component;
the injector assembly comprises a syringe 6;
a cavity for containing 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;
the piston assembly includes a piston 20;
the piston 20 is arranged in the cavity, the piston 20 can reciprocate in the cavity, and a second screw rod 18 is fixedly connected to one end of the piston 20 opposite to the connector 17;
one end of the second screw rod 18 opposite to the piston 20 is fixedly connected with a push head 13;
the limit assembly comprises a limit plate 12;
the limiting plate 12 is sleeved on the second screw rod 18, and one side of the limiting plate 12, which is close to the push head 13, 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.
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 to move in the syringe 6 by the second screw rod 18, the piston 20 is far away from the connector 17 to enable the connector 17 to extract the developer, the developer enters into a cavity in 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, the spiral ring 19 moves relative to the second screw rod 18, the limit plate 12 is driven to move by the spiral ring 19, the limit plate 12 is driven to move to a position required by a user, the needle head 1 is inserted into a position required by a patient, the piston 20 is driven by the second screw rod 18 to move by the push head 13, the developer in the piston 20 is driven by the second screw rod 18, the developer in the syringe 6 is enabled to push the developer, the developer in the syringe 6 is enabled to be discharged through the sleeve 4, the hose 3 and the needle head 1 is enabled to be fixedly connected to one end of the connector 17, the spiral ring 19 is enabled, the developer is enabled to move through the sleeve 4 and the needle head 1, the developer is enabled to enter into the limit plate 12, and the patient is enabled to enter into the maximum distance into the patient through the limit plate to move the limit plate 20.
Embodiment four:
a fluorescence development injection device for parathyroid glands comprises a syringe assembly;
the end part of the injector assembly is provided with a needle head assembly, and the inside of the injector assembly is provided with a piston assembly capable of moving back and forth;
the piston assembly moves close to the needle assembly, and the injector assembly sucks the 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 imaging agent discharged by the injector assembly into the patient;
the piston component is connected with a movable limiting component in a screwing way;
the limiting component is used for propping against the injector component and limiting the maximum distance of the piston component moving close to the needle component;
the injector assembly comprises a syringe 6;
a cavity for containing 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;
the piston assembly includes a piston 20;
the piston 20 is arranged in the cavity, the piston 20 can reciprocate in the cavity, and a second screw rod 18 is fixedly connected to one end of the piston 20 opposite to the connector 17;
one end of the second screw rod 18 opposite to the piston 20 is fixedly connected with a push head 13;
the limit assembly comprises a limit plate 12;
the limiting plate 12 is sleeved on the second screw rod 18, and one side of the limiting plate 12, which is close to the push head 13, 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;
a base frame 10 is sleeved on the needle cylinder 6;
a mounting groove 23 is formed in one side, close to the needle cylinder 6, of the inside of the base frame 10, and a driving assembly is mounted on the base frame 10;
the driving assembly is used for driving the push head 13 to reciprocate relative to the needle cylinder 6;
the needle cylinder 6 is mounted inside the mounting groove 23;
the screw 16 is screwed and connected in the mounting groove 23 near 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 drive assembly comprises a mobile carriage 8;
guide grooves 24 are formed in the two sides, close to the mounting grooves 23, of the base frame 10;
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;
the base frame 10 is rotationally connected with a first screw rod 7 near the upper part of the mounting groove 23;
one end of the first screw rod 7 passes through the top frame 5;
the drive assembly further comprises a motor 11;
the motor 11 is fixedly connected to one side of the base frame 10 opposite to the first screw rod 7, and the output end of the motor 11 is connected with the first screw rod 7.
According to the technical scheme, the connector 17 is inserted into a container for storing 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 inside the needle cylinder 6, the piston 20 moves away from the connector 17, the connector 17 is used for extracting developer, the developer enters into a cavity inside the needle cylinder 6, after the needle cylinder 6 absorbs 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 with one end of the connector 17, the spiral ring 19 on the second screw rod 18 is rotated, the spiral ring 19 moves relative to the second screw rod 18 through the cooperation of 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 needle cylinder 6 is placed in the mounting groove 23 inside the base frame 10, after the needle cylinder 6 is placed, rotating the rotating head 15, driving the screw 16 to rotate through the rotating head 15, so that the screw 16 moves in the base frame 10, driving the top plate 9 to move through the screw 16, enabling the top plate 9 to prop against the needle cylinder 6, enabling the needle cylinder 6 to be fixed on the base frame 10, enabling the pushing head 13 to be close to one side of the moving frame 8, driving the first screw rod 7 to rotate through the motor 11, enabling the top frame 5 to move on the first screw rod 7, driving the moving frame 8 to move through the top frame 5, driving the pushing head 13 to push the needle head 8 to push the needle head 13 to the position of a patient, which is required to inject the developer, enabling the pushing head 13 to drive the second screw rod 18 to move, driving the piston 20 to move through the second screw rod 18, enabling the piston 20 to push the developer in the needle cylinder 6, discharging the developer through the sleeve 4, the hose 3 and the needle head 1, enabling the developer to enter the patient, limiting plate 12 limiting the maximum moving distance of the piston 20, thereby controlling the amount of imaging agent entering the patient.
Fifth embodiment:
a fluorescence development injection device for parathyroid glands comprises a syringe assembly;
the end part of the injector assembly is provided with a needle head assembly, and the inside of the injector assembly is provided with a piston assembly capable of moving back and forth;
the piston assembly moves close to the needle assembly, and the injector assembly sucks the 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 imaging agent discharged by the injector assembly into the patient;
the piston component is connected with a movable limiting component in a screwing way;
the limiting component is used for propping against the injector component and limiting the maximum distance of the piston component moving close to the needle component;
the injector assembly comprises a syringe 6;
a cavity for containing 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;
the piston assembly includes a piston 20;
the piston 20 is arranged in the cavity, the piston 20 can reciprocate in the cavity, and a second screw rod 18 is fixedly connected to one end of the piston 20 opposite to the connector 17;
one end of the second screw rod 18 opposite to the piston 20 is fixedly connected with a push head 13;
the limit assembly comprises a limit plate 12;
the limiting plate 12 is sleeved on the second screw rod 18, and one side of the limiting plate 12, which is close to the push head 13, 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;
a base frame 10 is sleeved on the needle cylinder 6;
a mounting groove 23 is formed in one side, close to the needle cylinder 6, of the inside of the base frame 10, and a driving assembly is mounted on the base frame 10;
the driving assembly is used for driving the push head 13 to reciprocate relative to the needle cylinder 6;
the needle cylinder 6 is mounted inside the mounting groove 23;
the screw 16 is screwed and connected in the mounting groove 23 near 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 drive assembly comprises a mobile carriage 8;
guide grooves 24 are formed in the two sides, close to the mounting grooves 23, of the base frame 10;
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;
the base frame 10 is rotationally connected with a first screw rod 7 near the upper part of the mounting groove 23;
one end of the first screw rod 7 passes through the top frame 5;
the drive assembly further comprises a motor 11;
the motor 11 is fixedly connected to one side of the base frame 10 opposite to the first screw rod 7, 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 of the push head 13 opposite to the second screw rod 18;
a connecting rod 14 is connected between the movable frame 8 and the second connecting groove 25 in a screwed mode, and a first connecting groove 2 is formed in one side, close to the connecting rod 14, of the movable frame 8.
Through the technical proposal, 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 second screw rod 18 drives the piston 20 to move inside the needle cylinder 6, the piston 20 moves away from the connector 17, the connector 17 is used for extracting the developer, the developer enters into 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 with one end of the connector 17, the spiral ring 19 on the second screw rod 18 is rotated, the spiral ring 19 moves relative to the second screw rod 18 through the cooperation of 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 the position required by a user, the needle cylinder 6 is placed in the mounting groove 23 inside the base frame 10, after the needle cylinder 6 is placed, the rotating head 15 is rotated, the screw rod 16 is driven to rotate through the rotating head 15, so that the screw rod 16 moves in the base frame 10, the top plate 9 is driven to move through the screw rod 16, the top plate 9 is propped against the needle cylinder 6, the needle cylinder 6 is fixed on the base frame 10, the push head 13 is close to one side of the moving frame 8, the connecting rod 14 is connected between the push head 13 and the moving frame 8 in a rotating mode through the cooperation of the first connecting groove 2 and the second connecting groove 25, the first screw rod 7 is driven to rotate through the motor 11, the top frame 5 moves on the first screw rod 7, the moving frame 8 is driven to move through the top frame 5, the push head 13 is driven to push the needle head 1 to a position where a patient needs to inject the developer through the moving frame 8, the push head 13 is driven to move through the second screw rod 18, the piston 20 is driven to push the developer in the needle cylinder 6, the sleeve 4 is driven to rotate through the first screw rod 7, the hose 3 and the needle 1 discharge the developer, thereby let the developer get into the patient, limit the maximum travel distance of piston 20 through limiting plate 12, thereby control the quantity of the developer that gets into patient, when needing to supplement the developer, insert connector 17 in the container of storing the developer, drive first lead screw 7 through motor 11 and rotate, thereby let roof-rack 5 back remove on first lead screw 7, drive mobile frame 8 back remove through roof-rack 5, pull push head 13 through mobile frame 8, make push head 13 drive second lead screw 18 back remove, drive piston 20 back remove through second lead screw 18, connector 17 absorbs the developer.
It is noted that relational terms such as first and second, and the like are 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. Moreover, 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 understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The utility model provides a parathyroid is with fluorescence development injection device which characterized in that: including a syringe assembly;
the end part of the injector assembly is provided with a needle head assembly, the inside of the injector assembly is provided with a piston assembly capable of moving back and forth, the injector assembly comprises a needle cylinder (6), a cavity for containing a developer is formed in the needle cylinder (6), and one end of the needle cylinder (6) is fixedly connected with a connector (17);
a base frame (10) is sleeved on the needle cylinder (6), 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) and used for driving the push head (13) to reciprocate 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 to the lower part of the mounting groove (23) close to the needle cylinder (6), the screw rod (16) extends to the bottom end of the outer part of the base frame (10) and is fixedly connected with a rotary head (15), and one end of the screw rod (16) close to the needle cylinder (6) is fixedly connected with a top plate (9);
the driving assembly comprises a moving frame (8), guide grooves (24) are formed in the base frame (10) and are close to two sides of the mounting groove (23), the moving frame (8) is mounted between the two guide grooves (24), a top frame (5) is fixedly connected to the top of the moving frame (8), a first screw rod (7) is rotatably connected to the base frame (10) and is close to the upper side of the mounting groove (23), and one end of the first screw rod (7) penetrates through the top frame (5);
the piston assembly includes a piston (20);
the piston (20) is arranged in the cavity, the piston (20) can reciprocate in the cavity, and a second screw rod (18) is fixedly connected to one end of the piston (20) opposite to the connector (17);
one end of the second screw rod (18) opposite to the piston (20) is fixedly connected with a push head (13);
the drive assembly further comprises a motor (11);
the motor (11) is fixedly connected to one side of the base frame (10) opposite to the first screw rod (7), 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 of the push head (13) opposite to the second screw rod (18);
a connecting rod (14) is connected between the movable frame (8) and the second connecting groove (25) in a screwed mode, and a first connecting groove (2) is formed in one side, close to the connecting rod (14), of the movable frame (8);
the piston assembly moves near the needle assembly, and the injector assembly sucks 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 imaging agent discharged by the injector assembly into the patient;
the piston assembly is connected with a movable limiting assembly in a screwing way;
the limiting assembly comprises a limiting plate (12);
the limiting plate (12) is sleeved on the second screw rod (18), and one side of the limiting plate (12) close to the push head (13) 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);
the limiting component is used for propping against the injector component and limiting the maximum distance of the piston component moving close to the needle component;
the motor (11) drives the first screw rod (7) to rotate, so that the top frame (5) moves along the first screw rod (7), the top frame (5) drives the movable frame (8) to move, the movable frame (8) drives the push head (13) to move, and the movable frame (8) pushes the push head (13) so that the developer is automatically discharged, medical staff does not need manual injection, the injection efficiency of the developer is improved, and the speed of the developer during injection is more uniform.
2. The fluorescence imaging bolus device for parathyroid glands according to claim 1, wherein: 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 (1).
3. A fluorescence imaging bolus device for parathyroid glands according to claim 2, wherein: a connecting cavity (21) is formed in one side, close to the connector (17), of the interior of the sleeve (4);
one side, close to the connector (17), of the inside of the connecting cavity (21) is rotationally 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210918962.XA CN115252949B (en) | 2022-08-02 | 2022-08-02 | Fluorescent development injection device for parathyroid gland |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210918962.XA CN115252949B (en) | 2022-08-02 | 2022-08-02 | Fluorescent development injection device for parathyroid gland |
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| Publication Number | Publication Date |
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| CN115252949A CN115252949A (en) | 2022-11-01 |
| CN115252949B true CN115252949B (en) | 2024-02-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210918962.XA Active CN115252949B (en) | 2022-08-02 | 2022-08-02 | Fluorescent development injection device for parathyroid gland |
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| CN (1) | CN115252949B (en) |
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| 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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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112043920A (en) * | 2020-10-01 | 2020-12-08 | 姜开洋 | Automatic injector |
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|---|---|---|---|---|
| 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 |
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|---|---|
| CN115252949A (en) | 2022-11-01 |
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