CN213432214U

CN213432214U - Needle-free high-pressure radiography injection system with uniform injection rate

Info

Publication number: CN213432214U
Application number: CN202021742523.0U
Authority: CN
Inventors: 周涛
Original assignee: Wuxi Anzhi Medical Technology Co ltd
Current assignee: Wuxi Anzhi Medical Technology Co ltd
Priority date: 2020-08-20
Filing date: 2020-08-20
Publication date: 2021-06-15
Anticipated expiration: 2030-08-20

Abstract

The utility model discloses a high-pressure radiography injection system without a needle cylinder with uniform injection speed, which belongs to the technical field of contrast medium equipment and comprises a supporting base, wherein the left end of the supporting base is fixedly connected with a vertical supporting plate, the right side of the top end of the vertical supporting plate is fixedly connected with a first supporting rod, the lower side of the first supporting rod is provided with a second supporting rod, the lower side of the second supporting rod is provided with a third supporting rod, the left ends of the second supporting rod and the third supporting rod are both fixedly connected with the vertical supporting plate, the right end of the first supporting rod is fixedly connected with a motor, the output end of the motor is fixedly connected with a main gear, the outer side of the main gear is engaged with 2 symmetrically distributed driven wheels, the uniformly rotating rotary disc can be utilized to inject medicine at uniform speed, and the matching degree of one unit dosage and a user is not required to be considered, the uninterrupted injection reduces the pain degree of the user and saves the medicament.

Description

Needle-free high-pressure radiography injection system with uniform injection rate

Technical Field

The utility model relates to a contrast medium equipment technical field, more specifically say, relate to a needleless section of thick bamboo high pressure radiography injection system that injection rate is even.

Background

Contrast agents are chemicals injected into human tissues or organs to enhance the image viewing effect, and these products have a density higher or lower than that of the surrounding tissues, and the contrast is displayed by some instruments, such as iodine preparations, barium sulfate, etc. which are commonly used in X-ray observation.

The high-pressure injector is used as an auxiliary device in a radiology diagnosis and treatment system, is gradually applied clinically along with the technical development of X-rays, a rapid film changer, an image intensifier, an artificial contrast agent and the like, and has the basic function that a sufficient amount of high-concentration X-ray contrast agent is rapidly and accurately injected to an examination part through entering a blood vessel through percutaneous puncture or an original pore passage of a human body within a certain time, so that diagnostic radiography and treatment can be carried out on a pathological change part.

The existing high-pressure contrast injection equipment can generate single injection amount or small or large and unit injection amount according to users with different body states in the injection process, so that incomplete medicament use is caused, and more pain is caused by multiple injections.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide an injection rate is even does not have a needle section of thick bamboo high pressure radiography injection system, and it can utilize even pivoted carousel, at the uniform velocity injection medicine, need not to consider a unit dose and user's matching degree simultaneously, and the injection reduces user's painful degree uninterruptedly, and plays the effect of saving to the medicament.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

A non-syringe high-pressure radiography injection system with uniform injection rate comprises a support base, wherein a vertical support plate is fixedly connected to the left end of the support base, a first support rod is fixedly connected to the right side of the top end of the vertical support plate, a second support rod is arranged on the lower side of the first support rod, a third support rod is arranged on the lower side of the second support rod, vertical support plates are fixedly connected to the left ends of the second support rod and the third support rod, a motor is fixedly connected to the right end of the first support rod, a main gear is fixedly connected to the output end of the motor, 2 symmetrically-distributed driven wheels are meshed with the outer side of the main gear, an annular inner gear is meshed with the side of the driven wheels, which is far away from the main gear, a liquid extrusion rod is fixedly connected to the lower end of the driven wheels, an arc-shaped plate is fixedly connected to the right side of, the utility model discloses a medicine injection device, including spring, extrusion arc board, soft rubber barrel, even pivoted carousel, injection medicine at the uniform velocity, the arc board end fixedly connected with extrusion arc board of keeping away from of spring, the inboard of extrusion arc board bonds and has the soft rubber barrel, the right-hand member fixedly connected with drain pipe of soft rubber barrel, the left end fixedly connected with feed liquor pipe of soft rubber barrel can utilize even pivoted carousel, need not to consider a unit dose and user's degree of matching simultaneously, and the injection reduces user's painful degree uninterruptedly, and plays the effect of saving to the medicament.

Furthermore, the master gear, follow driving wheel and annular internal gear phase-match, and 2 contained angles from between the driving wheel be 180, and can increase the quantity from the driving wheel according to the appropriate amount of actual demand, the injection process of being convenient for is incessant, reduces user's painful degree, and plays the effect of practicing thrift to the medicament.

Further, arc, spring and extrusion arc match, and the thickness of a flexible glue section of thick bamboo and the radius phase-match of extrusion arc and crowded liquid pole, and the surface of a flexible glue section of thick bamboo scribbles emollient, is convenient for reduce the degree of wear of a flexible glue section of thick bamboo, the life of reinforcing equipment.

Further, the radius of annular inner gear and the radius phase-match of extrusion arc board, and the motion radius of crowded liquid pole and the radius phase-match of extrusion arc board, crowded liquid pole and the inseparable laminating of a flexible glue section of thick bamboo improve the sealed degree of a flexible glue section of thick bamboo and crowded liquid pole, reduce the possibility of medicament backward flow, have improved the stability of equipment operation.

Further, the right side fixedly connected with flow meter of drain pipe, the right side fixedly connected with cutting ferrule module of flow meter, the cutting ferrule module includes fastening nut, first cutting ferrule has been cup jointed to fastening nut's inside, and the left side overlap joint of the first cutting ferrule of place has the second cutting ferrule, the installation and the dismantlement of the external syringe needle of being convenient for, be convenient for know what of injection volume, improve the convenience that equipment used.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) the medicine can be injected at a uniform speed by utilizing the uniformly rotating turntable, the matching degree of one unit dosage and a user is not required to be considered, the pain degree of the user is reduced by continuous injection, and the medicine is saved.

(2) The main gear, follow driving wheel and annular gear phase-match, and 2 contained angles from between the driving wheel are 180, and can increase the quantity from the driving wheel according to the appropriate amount of actual demand, and the injection process of being convenient for is incessant, reduces user's painful degree, and plays the effect of practicing thrift to the medicament.

(3) Arc, spring and extrusion arc match, and the thickness of a flexible glue section of thick bamboo and the radius phase-match of extrusion arc and crowded liquid pole, and the surface of a flexible glue section of thick bamboo scribbles emollient, is convenient for reduce the degree of wear of a flexible glue section of thick bamboo, the life of reinforcing equipment.

(4) The radius of annular inner gear and the radius phase-match of extrusion arc board, and the motion radius of crowded liquid pole and the radius phase-match of extrusion arc board, crowded liquid pole and the inseparable laminating of soft rubber tube improve the sealed degree of soft rubber tube and crowded liquid pole, reduce the possibility of medicament backward flow, improved the stability of equipment operation.

(5) The right side fixedly connected with flow meter of drain pipe, the right side fixedly connected with cutting ferrule module of flow meter, the cutting ferrule module includes fastening nut, and first cutting ferrule has been cup jointed to fastening nut's inside, and the left side overlap joint of the first cutting ferrule of place has the second cutting ferrule, and the installation and the dismantlement of the external syringe needle of being convenient for are convenient for know what of injection volume, improve the convenience that equipment used.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is an enlarged schematic structural view of a point a in fig. 1 according to the present invention;

fig. 3 is a schematic view of the connection between the master gear and the slave gear according to the present invention;

FIG. 4 is a schematic view of the connection overlooking structure of the liquid-squeezing rod and the flexible glue cylinder of the present invention;

FIG. 5 is a schematic view of the liquid-squeezing rod of the present invention in a top view during operation;

fig. 6 is a schematic cross-sectional structural view of the ferrule module of the present invention; .

The reference numbers in the figures illustrate:

1. a support base; 2. a vertical support plate; 3. a first support bar; 4. a second support bar; 5. a third support bar; 6. a motor; 7. a main gear; 8. a driven wheel; 9. an annular internal gear; 10. a liquid squeezing rod; 11. an arc-shaped plate; 12. a spring; 13. extruding the arc plate; 14. a soft rubber cylinder; 15. a liquid outlet pipe; 16. a liquid inlet pipe; 17. a flow meter; 18. a ferrule module; 1801. fastening a nut; 1802. a first ferrule; 1803. and a second ferrule.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1-6, a non-needle cylinder high-pressure radiography injection system with uniform injection rate comprises a support base 1, a vertical support plate 2 is fixedly connected to the left end of the support base 1, a first support rod 3 is fixedly connected to the right side of the top end of the vertical support plate 2, a second support rod 4 is arranged on the lower side of the first support rod 3, a third support rod 5 is arranged on the lower side of the second support rod 4, the vertical support plate 2 is fixedly connected to the left ends of the second support rod 4 and the third support rod 5, a motor 6 is fixedly connected to the right end of the first support rod 3, a main gear 7 is fixedly connected to the output end of the

motor

6, 2 symmetrically distributed driven wheels 8 are meshed to the outer side of the main gear 7, an annular internal gear 9 is meshed to the side of the driven wheels 8 far away from the main gear 7, a liquid squeezing rod 10 is fixedly connected to the lower end of the, a plurality of springs 12 of inboard fixedly connected with of arc 11, spring 12 keeps away from 11 end fixedly connected with extrusion arc 13 of arc, the inboard of extrusion arc 13 bonds there is a soft glue section of thick bamboo 14, the right-hand member fixedly connected with drain pipe 15 of a soft glue section of thick bamboo 14, the left end fixedly connected with feed liquor pipe 16 of a soft glue section of thick bamboo 14, can utilize even pivoted carousel, at the uniform velocity injection medicine, need not to consider a unit dosage and user's matching degree simultaneously, the injection reduces user's painful degree on an uninterrupted basis, and play the effect of saving to the medicament.

Referring to fig. 3, the main gear 7, the driven wheels 8 and the annular internal gear 9 are matched, and the included angle between the 2 driven wheels 8 is 180 °, and the number of the driven wheels 8 can be increased properly according to actual requirements, so that the injection process is uninterrupted, the pain degree of a user is reduced, and the medicament is saved.

Referring to fig. 4, the arc plate 11, the spring 12 and the extrusion arc plate 13 are matched, the thickness of the soft rubber barrel 14 is matched with the radiuses of the extrusion arc plate 13 and the liquid extrusion rod 10, and the surface of the soft rubber barrel 14 is coated with a lubricant, so that the abrasion degree of the soft rubber barrel 14 is reduced, and the service life of the equipment is prolonged.

Referring to fig. 5, the radius of the annular inner gear 9 matches the radius of the extrusion arc plate 13, the movement radius of the liquid extrusion rod 10 matches the radius of the extrusion arc plate 13, and the liquid extrusion rod 10 is tightly attached to the soft rubber barrel 14, so that the sealing degree between the soft rubber barrel 14 and the liquid extrusion rod 10 is improved, the possibility of medicament backflow is reduced, and the stability of the operation of the device is improved.

Please refer to fig. 6, a right side of the liquid outlet pipe 15 is fixedly connected with a flow meter 17, a right side of the flow meter 17 is fixedly connected with a ferrule module 18, the ferrule module 18 includes a fastening nut 1801, a first ferrule 1802 is sleeved inside the fastening nut 1801, and a second ferrule 1803 is lapped on a left side of the first ferrule 1802, so as to facilitate installation and detachment of an external needle, facilitate understanding of injection amount, and improve convenience of use of the device.

During the use, at first with a plurality of unit medicament bottles of feed liquor pipe 16 connection for 14 inside medicaments that are full of flexible glue cylinder, pass through elasticity fastening nut 1801 with cutting ferrule module 18 simultaneously, and combine the cooperation between first cutting ferrule 1802 and the second cutting ferrule 1803, the installation and the dismantlement of the external syringe needle of being convenient for improve the convenience that equipment used.

Then the motor 6 is operated, the motor 6 is the prior art, a person skilled in the art can select a proper model according to actual requirements, the annular inner gear 9, the main gear 7 and the driven wheel 8 form a planetary gear structure, the motor 6 combines the characteristics of the planetary gear to drive the driven wheel 8 to do circular motion around the main gear 7, and simultaneously drive the liquid squeezing rod 10 at the lower end of the driven wheel 8 to do synchronous motion, the liquid squeezing rod 10 squeezes the soft rubber cylinder 14, so that liquid medicine flows from the soft rubber cylinder 14 to the liquid outlet pipe 15 at a constant speed, and is observed through the flow counter 17, the size matching relation among the annular inner gear 9, the liquid squeezing rod 10 and the squeezing arc plate 13 improves the sealing degree of the soft rubber cylinder 14 and the liquid squeezing rod 10, reduces the possibility of medicine backflow, improves the operation stability of the equipment, the buffer mechanism consisting of the arc plate 11, the spring 12 and the squeezing arc plate 13 is convenient for reducing the abrasion, the service life of the device is prolonged, when the first liquid squeezing rod 10 runs to the tail end of the soft rubber cylinder 14, the second liquid squeezing rod 10 just runs to the head end of the soft rubber cylinder 14, uninterrupted and uniform-speed conveying is completed, pain caused by multiple injections of a user is reduced, and the effect of saving the medicament is achieved.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. A needleless barrel high pressure contrast injection system with uniform injection rate comprises a supporting base (1), and is characterized in that: the left end of the supporting base (1) is fixedly connected with a vertical supporting plate (2), the top right side of the vertical supporting plate (2) is fixedly connected with a first supporting rod (3), the lower side of the first supporting rod (3) is provided with a second supporting rod (4), the lower side of the second supporting rod (4) is provided with a third supporting rod (5), the left ends of the second supporting rod (4) and the third supporting rod (5) are fixedly connected with the vertical supporting plate (2), the right end of the first supporting rod (3) is fixedly connected with a motor (6), the output end of the motor (6) is fixedly connected with a main gear (7), the outer side of the main gear (7) is meshed with 2 symmetrically distributed driven wheels (8), the side of the driven wheels (8) far away from the main gear (7) is meshed with an annular inner gear (9), and the lower end of the driven wheels (8) is fixedly connected with a liquid squeezing rod (10), the right side fixedly connected with arc (11) of third bracing piece (5), a plurality of springs (12) of inboard fixedly connected with of arc (11), what keep away from arc (11) end fixedly connected with extrusion arc (13) of spring (12), the inboard of extrusion arc (13) bonds and has soft glue cylinder (14), the right-hand member fixedly connected with drain pipe (15) of soft glue cylinder (14), the left end fixedly connected with feed liquor pipe (16) of soft glue cylinder (14).

2. A uniform injection rate, needleless barrel high pressure contrast injection system as in claim 1 wherein: the main gear (7), the driven wheels (8) are matched with the annular internal gear (9), and the included angles among the 2 driven wheels (8) are 180 degrees, and the number of the driven wheels (8) can be increased properly according to actual requirements.

3. A uniform injection rate, needleless barrel high pressure contrast injection system as in claim 1 wherein: the arc-shaped plate (11), the spring (12) and the extrusion arc-shaped plate (13) are matched, the thickness of the soft rubber cylinder (14) is matched with the radiuses of the extrusion arc-shaped plate (13) and the liquid extrusion rod (10), and the surface of the soft rubber cylinder (14) is coated with a lubricant.

4. A uniform injection rate, needleless barrel high pressure contrast injection system as in claim 1 wherein: the radius of annular internal gear (9) and the radius phase-match of extrusion arc board (13), and the motion radius of crowded liquid pole (10) and the radius phase-match of extrusion arc board (13), crowded liquid pole (10) and flexible glue section of thick bamboo (14) are closely laminated.

5. A uniform injection rate, needleless barrel high pressure contrast injection system as in claim 1 wherein: the right side fixedly connected with flow meter (17) of drain pipe (15), the right side fixedly connected with cutting ferrule module (18) of flow meter (17), cutting ferrule module (18) are including fastening nut (1801), first cutting ferrule (1802) has been cup jointed to the inside of fastening nut (1801), and the left side overlap joint of the first cutting ferrule (1802) in place has second cutting ferrule (1803).