CN112023186A - Medical oncology device of dosing - Google Patents
Medical oncology device of dosing Download PDFInfo
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- CN112023186A CN112023186A CN202011040750.3A CN202011040750A CN112023186A CN 112023186 A CN112023186 A CN 112023186A CN 202011040750 A CN202011040750 A CN 202011040750A CN 112023186 A CN112023186 A CN 112023186A
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- side wall
- fixedly connected
- outer side
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
- A61J1/14—Details; Accessories therefor
- A61J1/20—Arrangements for transferring or mixing fluids, e.g. from vial to syringe
- A61J1/2003—Accessories used in combination with means for transfer or mixing of fluids, e.g. for activating fluid flow, separating fluids, filtering fluid or venting
- A61J1/2048—Connecting means
- A61J1/2051—Connecting means having tap means, e.g. tap means activated by sliding
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/11—Stirrers characterised by the configuration of the stirrers
- B01F27/19—Stirrers with two or more mixing elements mounted in sequence on the same axis
- B01F27/192—Stirrers with two or more mixing elements mounted in sequence on the same axis with dissimilar elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/23—Mixers with rotary stirring devices in fixed receptacles; Kneaders characterised by the orientation or disposition of the rotor axis
- B01F27/232—Mixers with rotary stirring devices in fixed receptacles; Kneaders characterised by the orientation or disposition of the rotor axis with two or more rotation axes
- B01F27/2322—Mixers with rotary stirring devices in fixed receptacles; Kneaders characterised by the orientation or disposition of the rotor axis with two or more rotation axes with parallel axes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/60—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis
- B01F27/70—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis with paddles, blades or arms
- B01F27/701—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis with paddles, blades or arms comprising two or more shafts, e.g. in consecutive mixing chambers
- B01F27/706—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis with paddles, blades or arms comprising two or more shafts, e.g. in consecutive mixing chambers with all the shafts in the same receptacle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/181—Preventing generation of dust or dirt; Sieves; Filters
- B01F35/187—Preventing generation of dust or dirt; Sieves; Filters using filters in mixers, e.g. during venting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
- B01F2101/2202—Mixing compositions or mixers in the medical or veterinary field
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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Engineering & Computer Science (AREA)
- Hematology (AREA)
- Heart & Thoracic Surgery (AREA)
- Biomedical Technology (AREA)
- Anesthesiology (AREA)
- Vascular Medicine (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Pharmacology & Pharmacy (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a drug delivery device for medical oncology, which comprises a needle body, wherein the inner side wall of the needle body is fixedly connected with a needle cylinder, the inner side wall of the needle cylinder is hermetically and slidably connected with a piston, the top of the piston is fixedly connected with a push rod, the outer side wall of the needle body is fixedly connected with a positioning block, the outer side wall of the needle body is fixedly connected with a liquid medicine box, the bottom of the liquid medicine box is fixedly connected with a positioning seat, the inner side wall of the liquid medicine box is hermetically and slidably connected with a sliding plate, and the top of the sliding plate is connected with a drug feeding pipe in a penetrating and sealing and sliding manner. The safety of the patient is protected, and the stability of the device is improved.
Description
Technical Field
The invention relates to the technical field of tumor drug delivery, in particular to a drug delivery device for medical oncology.
Background
The tumor is a new organism formed by local tissue cell proliferation under the action of various tumorigenic factors, and is also called a neoplasm, researches show that the tumor cell can generate metabolic change different from normal cells, and the tumor cell can adapt to the change of metabolic environment through the conversion between glycolysis and oxidative phosphorylation according to the cell characteristics and the harmfulness degree of the new organism, and is divided into two major types of benign tumors and malignant tumors, wherein the malignant tumors can be divided into carcinoma and sarcoma, the carcinoma is a malignant tumor derived from epithelial tissue, the sarcoma is mesenchymal tissue and comprises fibrous connective tissue, fat, muscle, vascular, bone and cartilage tissue, and the like, the generated malignant tumor is, for example, the malignant tumor formed by the large intestine mucous epithelium is called the large intestine mucous epithelium cancer, which is called the large intestine cancer for short, the skin epithelium is called skin epithelial cancer, which is called skin cancer for short, so if a doctor says that a certain person suffers from cancer, the doctor indicates that the patient is malignant tumor; if a person suffers from gastric cancer, it means cancer formed by gastric mucosal epithelium of the patient, and if the patient suffers from gastric sarcoma, it indicates that the malignant tumor is not formed by mucosal epithelial cells, may be caused by malignant change of smooth muscle cells, or belongs to malignant lymphoma of the stomach, etc.;
traditional medical oncology device of dosing all are basically once only once injecting how much, need extract the device when injecting once more and disinfect the medicine back again, just can inject once more, and this kind of mode not only complex operation still can feel very uncomfortable to patient, for this we propose a medical oncology device of dosing to solve above-mentioned problem.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a drug delivery device for medical oncology.
In order to achieve the purpose, the invention adopts the following technical scheme:
a drug delivery device for medical oncology comprises a needle body, wherein a needle cylinder is fixedly connected to the inner side wall of the needle body, a piston is connected to the inner side wall of the needle cylinder in a sealing and sliding manner, a push rod is fixedly connected to the top of the piston, a positioning block is fixedly connected to the outer side wall of the needle body, a liquid medicine box is fixedly connected to the outer side wall of the needle body, a positioning seat is fixedly connected to the bottom of the liquid medicine box, a sliding plate is connected to the inner side wall of the liquid medicine box in a sealing and sliding manner, a drug feeding pipe is connected to the top of the sliding plate in a penetrating and sealing manner, the outer side wall of the drug feeding pipe is fixedly connected with the liquid medicine box in a penetrating manner, a sealing plug is connected to the inner side wall of the drug feeding pipe in a threaded manner, an air hole is formed, the inside wall of square groove rotates and is connected with drive mechanism, drive mechanism's tip rotates with the lateral wall of filter screen to be connected, the inside wall fixedly connected with check valve of square groove, the circular recess has been seted up to the bottom of cylinder, the sealed clamping mechanism of inside wall fixedly connected with of circular recess, the bottom of cylinder is closely laminated and is had the connector, the lateral wall of connector closely laminates with sealed clamping mechanism's lateral wall, the inside wall fixedly connected with layer that absorbs water of connector, the constant head tank has been seted up to the lateral wall of connector, fixedly connected with syringe needle is run through to the bottom of connector, the inside wall fixedly connected with one-way mechanism of syringe needle, the lateral wall fixedly connected with positioning mechanism of cylinder, positioning mechanism's tip closely laminates with the inside wall of constant.
Preferably, drive mechanism includes the rotation axis of being connected with square inslot lateral wall rotation, the lateral wall fixedly connected with blade of rotation axis, the lateral wall intermeshing of rotation axis has bevel gear, bevel gear's inside wall fixedly connected with (mixing) shaft, the tip of (mixing) shaft rotates with lateral wall one side of filter screen and is connected.
Preferably, sealed clamping mechanism include with circular slot inside wall top fixed connection's bull stick, the lateral wall fixedly connected with of bull stick changes the board, the lateral wall one side of changeing the board closely laminates there is the gasbag, the lateral wall of gasbag closely laminates with the lateral wall of connector, the opposite side of changeing the board lateral wall closely laminates with the lateral wall of connector.
Preferably, the one-way mechanism includes the dead lever with syringe needle inside wall fixed connection, the bottom of dead lever closely laminates there is the connecting plate, the tip fixedly connected with pivot of connecting plate, the lateral wall of pivot and the inside wall fixed connection of syringe needle.
Preferably, positioning mechanism include with cylinder lateral wall fixed connection's gag lever post, the lateral wall cover of gag lever post is equipped with reset spring, reset spring's tip fixedly connected with locating lever, the tip of locating lever closely laminates with the inside wall of constant head tank, sliding connection is run through with the cylinder to the lateral wall of locating lever, reset spring's tip and the lateral wall fixed connection of cylinder.
Preferably, the outer diameter of the sealing plug is smaller than the inner diameter of the dosing tube, and the outer thread of the sealing plug is matched with the inner thread of the dosing tube.
Preferably, the gas pocket is the array setting, the quantity of gas pocket is a plurality of, the locating piece is the symmetry setting, the quantity of locating piece is two, the pencil of adding is the symmetry setting, the quantity of pencil of adding is two.
Preferably, the vanes are arranged in a crescent shape, and the number of the vanes is multiple.
Preferably, a torsion spring is arranged inside the rotating shaft, and the torsion spring is in a compressed state.
Preferably, the return spring is made of brass and is in a stretching state.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, through the matching use of the push rod, the piston, the blades, the rotating shaft, the bevel gear, the stirring shaft and the one-way valve, when the liquid medicine in the needle cylinder is injected, the push rod is pulled upwards to drive the piston to move upwards, so that a negative pressure is formed between the interior of the needle cylinder and the piston, the liquid medicine is sucked into the liquid medicine box again through the one-way valve through the negative pressure, the liquid medicine enters the needle cylinder through the square groove, when the liquid medicine passes through the square groove, the blade is driven to rotate in one direction by the extremely-fast flow of the liquid medicine, the rotating shaft is driven to rotate, and the bevel gear is driven to rotate, so that the stirring shaft can fully stir the liquid medicine, the liquid medicine is prevented from being precipitated, the liquid medicine is injected again and fully mixed with the liquid medicine, the speed of injecting the liquid medicine.
2. The invention uses the limit rod, the reset spring, the positioning rod, the positioning groove, the air bag, the rotating rod and the rotating plate in a matching way, when the connector is replaced, the end part of the positioning rod is pulled to be drawn out of the positioning groove by pulling the positioning rod, so that the connector can be taken out for replacement, when the connector is inserted, the positioning rod is pulled again to ensure that the connector can be inserted into the circular groove, when the end part of the positioning rod reaches the positioning groove, the positioning rod is loosened to realize the fixation of the connector under the resetting effect of the resetting spring, when the connector is inserted into the circular groove, the air bag can be extruded because the end part of the connector can push the rotating plate to rotate along the rotating rod, make the lateral wall of gasbag and the closely laminating of the lateral wall of connector, prevent at the device during operation, the drop of connector has prevented that the liquid medicine in the cylinder from oozing through the exosmosis at connection position, has improved the utilization ratio of liquid medicine, has ensured the stability of connector.
In summary, the following steps: the invention realizes the repeated absorption of the liquid medicine in the needle cylinder through the pressure difference, improves the injection efficiency of the pathological change part of the patient, greatly reduces the pain of the patient, saves the time of medical personnel, better ensures the stability of the connector through fixing and sealing the joint of the connector, prevents the falling of the connector and the damage of the liquid medicine to the skin of the patient, protects the safety of the patient and improves the stability of the device.
Drawings
FIG. 1 is a schematic perspective view of a drug delivery device for medical oncology provided by the present invention;
FIG. 2 is a schematic front sectional view of a drug delivery device for medical oncology provided by the invention;
FIG. 3 is an enlarged schematic structural view at A in FIG. 2 of a drug delivery device for medical oncology provided by the invention;
FIG. 4 is an enlarged schematic structural view at B in FIG. 2 of a drug delivery device for medical oncology provided by the invention;
FIG. 5 is an enlarged schematic view of the drug delivery device for medical oncology in FIG. 2;
FIG. 6 is an enlarged schematic structural view of a drug delivery device for medical oncology provided by the invention at D in FIG. 2;
fig. 7 is a schematic side view of a transmission mechanism of the medical oncology drug delivery device provided by the invention.
In the figure: the device comprises a needle body 1, a needle cylinder 2, a positioning seat 3, a liquid medicine box 4, a connector 5, a needle head 6, a piston 7, a push rod 8, a sliding plate 9, a medicine adding pipe 10, a sealing plug 11, a one-way valve 12, an air hole 13, a fixing rod 14, a rotating shaft 15, a connecting plate 16, a positioning block 17, a rotating shaft 18, a blade 19, a bevel gear 20, a stirring shaft 21, a filter screen 22, a limiting rod 23, a reset spring 24, a positioning rod 25, a positioning groove 26, a water absorption layer 27, an air bag 28, a rotating rod 29 and a.
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.
Referring to fig. 1-7, a medicine feeding device for medical oncology, comprising a needle body 1, a needle cylinder 2 fixedly connected to the inner side wall of the needle body 1, a piston 7 slidably connected to the inner side wall of the needle cylinder 2 in a sealing manner, a push rod 8 fixedly connected to the top of the piston 7, a positioning block 17 fixedly connected to the outer side wall of the needle body 1, a liquid medicine tank 4 fixedly connected to the outer side wall of the needle body 1, a positioning seat 3 fixedly connected to the bottom of the liquid medicine tank 4, a slide plate 9 slidably connected to the inner side wall of the liquid medicine tank 4 in a sealing manner, a medicine feeding tube 10 slidably connected to the top of the slide plate 9 in a penetrating manner, air holes 13 arranged in an array manner, a plurality of air holes 13, the positioning blocks 17 symmetrically arranged, two positioning blocks 17 arranged, the medicine feeding tubes 10 symmetrically arranged, two medicine feeding tubes 10 arranged, the outer side wall of the medicine feeding tube 10, the outer diameter of the sealing plug 11 is smaller than the inner diameter of the dosing tube 10, the outer thread of the sealing plug 11 is matched with the inner thread of the dosing tube 10, the top of the liquid medicine box 4 is provided with an air hole 13 in a penetrating way, the inner side wall of the liquid medicine box 4 is provided with a square groove in a penetrating way, the square groove extends to the inside of the needle cylinder 2, and the inner side wall of the square groove is fixedly connected with a filter screen 22;
the inner side wall of the square groove is rotatably connected with a transmission mechanism, the transmission mechanism comprises a rotating shaft 18 which is rotatably connected with the inner side wall of the square groove, the outer side wall of the rotating shaft 18 is fixedly connected with blades 19, the blades 19 are arranged in a crescent shape, the number of the blades 19 is multiple, the outer side walls of the rotating shafts 18 are meshed with bevel gears 20, the inner side wall of each bevel gear 20 is fixedly connected with a stirring shaft 21, the end part of each stirring shaft 21 is rotatably connected with one side of the outer side wall of a filter screen 22, and the end part of the transmission mechanism is rotatably connected with the outer side wall of the filter screen 22;
the inner side wall of the square groove is fixedly connected with a one-way valve 12, the bottom of the needle cylinder 2 is provided with a circular groove, the inner side wall of the circular groove is fixedly connected with a sealing clamping mechanism, the sealing clamping mechanism comprises a rotating rod 29 fixedly connected with the top of the inner side wall of the circular groove, the outer side wall of the rotating rod 29 is fixedly connected with a rotating plate 30, one side of the outer side wall of the rotating plate 30 is tightly attached with an air bag 28, the outer side wall of the air bag 28 is tightly attached with the outer side wall of a connector 5, the other side of the outer side wall of the rotating plate 30 is tightly attached with the outer side wall of the connector 5, the bottom of the needle cylinder 2 is tightly attached with the connector 5, the outer side wall of the connector 5 is tightly attached with the outer side wall of the sealing clamping mechanism, the inner side wall of the, the one-way mechanism comprises a fixed rod 14 fixedly connected with the inner side wall of the needle 6, a connecting plate 16 is tightly attached to the bottom of the fixed rod 14, a rotating shaft 15 is fixedly connected to the end portion of the connecting plate 16, a torsion spring is arranged inside the rotating shaft 15 and is in a compressed state, and the outer side wall of the rotating shaft 15 is fixedly connected with the inner side wall of the needle 6, so that the connecting part of the connector 5 and the needle cylinder 2 is fully sealed, the liquid medicine is prevented from leaking outside through the connecting part of the connector 5 and the needle cylinder 2 to cause certain damage to the skin of a patient, the stability of connection between the connector 5 and the needle cylinder 2 is improved, the connector 5 is prevented from falling off, the sealing of the needle 6 when the liquid medicine is sucked inside the needle cylinder 2 is realized, the blood is prevented from being sucked into the body of the patient by the needle;
lateral wall fixedly connected with positioning mechanism of cylinder 2, positioning mechanism includes gag lever post 23 with 2 lateral wall fixed connection of cylinder, the lateral wall cover of gag lever post 23 is equipped with reset spring 24, reset spring 24 is the brass material, reset spring 24 is in tensile state, reset spring 24's tip fixedly connected with locating lever 25, locating lever 25's tip and the inside wall of constant head tank 26 closely laminate, locating lever 25's lateral wall and 2 through sliding connection of cylinder, reset spring 24's tip and 2 lateral wall fixed connection of cylinder, positioning mechanism's tip and the inside wall of constant head tank 26 closely laminate, realized fully fixed to connector 5 through the above-mentioned step, prevent the injury that drops and bring patient or medical personnel of connector 5 in the course of the work.
In the invention, when the device is used, firstly, a sealing plug 11 is opened, liquid medicine to be injected is added into a liquid medicine box 4 and a needle cylinder 2 from a liquid medicine adding pipe 10, after the liquid medicine is added, the opening of the liquid medicine adding pipe 10 is sealed by the sealing plug 11 again, a part of a patient with a tumor is sleeved on a positioning seat 3 of the device, a needle 6 is inserted into the tumor, then a push rod 8 is pushed, a piston 7 moves downwards, the liquid medicine is injected into the body of the patient through the needle 6, when the liquid medicine passes through the inner side wall of the needle 6, a connecting plate 16 is pushed to rotate downwards along a rotating shaft 15, so that the liquid medicine enters the tumor, when the liquid medicine in the needle cylinder 2 is injected, the push rod 8 is pulled upwards, the push rod 8 drives the piston 7 fixedly connected to the bottom of the push rod 8 to move upwards, at the moment, negative pressure is generated in the needle cylinder 2, the negative pressure can, the negative pressure can make the liquid medicine in the liquid medicine box 4 flow through the square groove at the highest speed, the liquid medicine flowing at the highest speed can push the blade 19 to rotate along one direction, the rotation of the blade 19 can drive the rotation shaft 18 fixedly connected to the end part of the blade 19 to rotate, and further drive the bevel gear 20 to rotate, and further drive the rotation of the stirring shaft 21, thereby realizing the full stirring and mixing of the liquid medicine, impurity solid medicine blocks which can not be stirred and mixed can be filtered by the filter screen 22, when the liquid medicine is sucked, the connecting plate 16 can make the inside of the needle 6 form a sealed environment, prevent the blood of a patient from entering the needle cylinder 2, when the connector 5 needs to be disassembled and replaced, the positioning rods 25 are pulled to both sides, so that the end parts of the positioning rods 25 are pulled away from the inside of the positioning grooves 26, at this time, the connector 5 can be taken out by pulling the connector, then to circular recess inside pushing in connector 5, when the constant head tank 26 of the 5 lateral walls of connector reachd the tip of locating lever 25, loosen locating lever 25, locating lever 25 can get into constant head tank 26 under reset spring 24 and fix connector 5 in, when connector 5 pushed into the circular recess, the top of connector 5 can promote commentaries on classics board 30 and rotate along bull stick 29, commentaries on classics board 30 will extrude gasbag 28, make the precision laminating of gasbag 28 and the lateral wall of connector 5, prevent the exosmosis of the inside liquid medicine of cylinder 2, and fixed connection head 5 that can be better.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. The utility model provides a medical oncology device of dosing, includes needle body (1), its characterized in that, the inside wall fixedly connected with cylinder (2) of needle body (1), the sealed sliding connection of inside wall of cylinder (2) has piston (7), the top fixedly connected with push rod (8) of piston (7), the lateral wall fixedly connected with locating piece (17) of needle body (1), the lateral wall fixedly connected with spray tank (4) of needle body (1), the bottom fixedly connected with positioning seat (3) of spray tank (4), the sealed sliding connection of inside wall of spray tank (4) has slide (9), the top of slide (9) runs through sealed sliding connection and has dosing pipe (10), the lateral wall and spray tank (4) of dosing pipe (10) run through fixed connection, the inside wall threaded connection of dosing pipe (10) has sealing plug (11), the top of the liquid medicine box (4) is provided with an air hole (13) in a penetrating manner, the inner side wall of the liquid medicine box (4) is provided with a square groove in a penetrating manner, the square groove extends to the inside of the needle cylinder (2), the inner side wall of the square groove is fixedly connected with a filter screen (22), the inner side wall of the square groove is connected with a transmission mechanism in a rotating manner, the end part of the transmission mechanism is connected with the outer side wall of the filter screen (22) in a rotating manner, the inner side wall of the square groove is fixedly connected with a one-way valve (12), the bottom of the needle cylinder (2) is provided with a circular groove, the inner side wall of the circular groove is fixedly connected with a sealing and clamping mechanism, the bottom of the needle cylinder (2) is tightly attached with a connector (5), the outer side wall of the connector (5) is, constant head tank (26) have been seted up to the lateral wall of connector (5), fixedly connected with syringe needle (6) is run through to the bottom of connector (5), the inside wall fixedly connected with one-way mechanism of syringe needle (6), the outside wall fixedly connected with positioning mechanism of cylinder (2), positioning mechanism's tip is closely laminated with the inside wall of constant head tank (26).
2. The drug delivery device for the department of oncology according to claim 1, characterized in that the transmission mechanism comprises a rotating shaft (18) rotatably connected with the inner side wall of the square groove, the outer side wall of the rotating shaft (18) is fixedly connected with blades (19), the outer side wall of the rotating shaft (18) is meshed with a bevel gear (20), the inner side wall of the bevel gear (20) is fixedly connected with a stirring shaft (21), and the end part of the stirring shaft (21) is rotatably connected with one side of the outer side wall of a filter screen (22).
3. The drug delivery device for the oncology department according to claim 1, wherein the sealing and clamping mechanism comprises a rotating rod (29) fixedly connected with the top of the inner side wall of the circular groove, the outer side wall of the rotating rod (29) is fixedly connected with a rotating plate (30), an air bag (28) is tightly attached to one side of the outer side wall of the rotating plate (30), the outer side wall of the air bag (28) is tightly attached to the outer side wall of the connector (5), and the other side of the outer side wall of the rotating plate (30) is tightly attached to the outer side wall of the connector (5).
4. The drug delivery device for the oncology department according to claim 1, wherein the one-way mechanism comprises a fixing rod (14) fixedly connected with the inner side wall of the needle head (6), the bottom of the fixing rod (14) is closely attached with a connecting plate (16), the end part of the connecting plate (16) is fixedly connected with a rotating shaft (15), and the outer side wall of the rotating shaft (15) is fixedly connected with the inner side wall of the needle head (6).
5. The medicine feeding device for the oncology department according to claim 1, wherein the positioning mechanism comprises a limiting rod (23) fixedly connected with the outer side wall of the needle cylinder (2), a return spring (24) is sleeved on the outer side wall of the limiting rod (23), a positioning rod (25) is fixedly connected with the end part of the return spring (24), the end part of the positioning rod (25) is closely attached to the inner side wall of the positioning groove (26), the outer side wall of the positioning rod (25) is connected with the needle cylinder (2) in a penetrating and sliding manner, and the end part of the return spring (24) is fixedly connected with the outer side wall of the needle cylinder (2).
6. An oncology department drug delivery device according to claim 1, characterized in that the outer diameter of the sealing plug (11) is smaller than the inner diameter of the drug feeding tube (10), and the outer thread of the sealing plug (11) is adapted to the inner thread of the drug feeding tube (10).
7. The drug delivery device for the oncology department according to claim 1, wherein the air holes (13) are arranged in an array, the number of the air holes (13) is multiple, the positioning blocks (17) are symmetrically arranged, the number of the positioning blocks (17) is two, the drug adding pipes (10) are symmetrically arranged, and the number of the drug adding pipes (10) is two.
8. An oncology drug delivery device according to claim 2, characterized in that the blades (19) are arranged in a crescent shape, the number of blades (19) being a plurality.
9. An oncology drug delivery device according to claim 4, characterized in that the rotating shaft (15) is internally provided with a torsion spring, which is in a compressed state.
10. An oncology drug delivery device according to claim 5, characterized in that the return spring (24) is brass, the return spring (24) being in tension.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011040750.3A CN112023186B (en) | 2020-09-28 | 2020-09-28 | Medical oncology device of dosing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011040750.3A CN112023186B (en) | 2020-09-28 | 2020-09-28 | Medical oncology device of dosing |
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| Publication Number | Publication Date |
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| CN112023186A true CN112023186A (en) | 2020-12-04 |
| CN112023186B CN112023186B (en) | 2022-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011040750.3A Active CN112023186B (en) | 2020-09-28 | 2020-09-28 | Medical oncology device of dosing |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113069679A (en) * | 2021-04-08 | 2021-07-06 | 遵义医科大学附属医院 | External application fixing band capable of avoiding leakage of liquid medicine |
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| CN114870724A (en) * | 2022-04-29 | 2022-08-09 | 河北医科大学第二医院 | Medical oncology fills chemotherapy dispensing device |
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| CN112023186B (en) | 2022-05-31 |
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