CN114470406A - High-pressure radiography injection device - Google Patents
High-pressure radiography injection device Download PDFInfo
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- CN114470406A CN114470406A CN202210138483.6A CN202210138483A CN114470406A CN 114470406 A CN114470406 A CN 114470406A CN 202210138483 A CN202210138483 A CN 202210138483A CN 114470406 A CN114470406 A CN 114470406A
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- stirring
- peristaltic pump
- injection box
- hose
- injection
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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
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/142—Pressure infusion, e.g. using pumps
- A61M5/14212—Pumping with an aspiration and an expulsion action
- A61M5/14228—Pumping with an aspiration and an expulsion action with linear peristaltic action, i.e. comprising at least three pressurising members or a helical member
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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
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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 discloses a high-pressure radiography injection device, which relates to the field of high-pressure injection and comprises a supporting seat, wherein an injection box is arranged on one side of the supporting seat, two groups of insertion frames are arranged at the top end of the injection box, a connecting port is arranged at the bottom end of each group of insertion frames in the injection box, a peristaltic pump is arranged on the outer wall of the injection box, and one-way valves are arranged at the top end and the bottom end of the peristaltic pump. According to the invention, through the connecting guide pipe, the output teeth, the stirring bin and the stirring ring, the concentration of the solution entering the stirring bin can be controlled through the control valve arranged in the connecting guide pipe, after the solution enters the stirring bin, the motor drives the turntable to rotate and simultaneously drives the transmission teeth through the output teeth, so that the stirring ring is driven to rotate, the stirring ring is enabled to stir the solution, the solution can be fully mixed, the solution mixing is facilitated, and the use efficiency of the solution is improved.
Description
Technical Field
The invention relates to the field of high-pressure injection, in particular to a high-pressure radiography injection device.
Background
The high-pressure injector is used as an auxiliary device in a radiology diagnosis and treatment system, and is gradually applied clinically along with the technical development of X-rays, a rapid film changer, an image intensifier, an artificial contrast medium and the like, and the high-pressure injector has the basic function that a sufficient amount of high-concentration X-ray contrast medium is rapidly and accurately injected into an examination part through a blood vessel penetrated by skin or an original pore passage of a human body within a certain time, so that diagnostic radiography and treatment can be performed on a pathological change part.
Current peristaltic pump injection mode can adopt the squeeze roll to extrude the hose usually, thereby liquid to in the pipeline is transported, can lead to the hose impaired under long-time friction, thereby infusion efficiency, and after the peristaltic pump used for a long time, if the hose takes place the damage, can lead to external air to enter into in the hose, thereby lead to forming the bubble in the liquid, if the bubble is sent into by the peristaltic pump and input to the patient internal, can cause serious consequence, and when mixing contrast medium and normal saline, can carry out proportion adjustment to liquid through extra equipment usually, and inconvenient use, and equipment is too complicated.
Disclosure of Invention
Based on this, the invention aims to provide a high-pressure contrast injection device, which solves the technical problems that a hose is easy to damage and liquid is inconvenient to mix.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a high pressure radiography injection device, includes the supporting seat, the injection box is installed to one side of supporting seat, two sets of grafting frames are installed on the top of injection box, and the bottom of every group grafting frame is located the internally mounted of injection box and has the connector, and the outer wall of injection box installs the peristaltic pump, the check valve is all installed with the bottom to the top of peristaltic pump, and the outside of check valve installs the brine bottle, the internally mounted of injection box has the motor, the output of motor extends to the internally mounted of peristaltic pump and has the carousel, the outside of carousel is encircleed and is installed multiunit extrusion piece, and the outside of every group extrusion piece has cup jointed the hose, feed liquor pipe and discharge pipe are installed to one side that the inside of carousel of peristaltic pump is located, and feed liquor pipe all with the tip switch-on of hose, the bottom of feed liquor pipe is connected with the stirring storehouse, the internally mounted in stirring storehouse has the stirring ring of stirring liquid, the stirring ring is in transmission connection with the motor through a transmission structure, and the stirring bin is communicated with the connecting port through a pipeline.
Through adopting above-mentioned technical scheme, can extrude the hose through carousel and extrusion piece to transport solution, and stir the mixture through stirring storehouse and stirring ring to solution, avoid exhaust liquid concentration inequality, influence to detect.
The injection box is further provided with a control panel which is arranged below the motor inside, a control mechanism is arranged inside the control panel, a baffle plate is arranged at the top end of the injection box, and a contact pin is arranged inside the connecting port.
Through adopting above-mentioned technical scheme, can control the equipment in the device through control panel, and can be convenient fix the medicine bottle through the connector.
The invention is further provided that the pipeline between the stirring bin and the connecting port is a connecting conduit, a control valve is arranged in the connecting conduit, the liquid distribution box is arranged on the outer side of the injection box, and the discharge pipe is communicated with the liquid distribution box.
Through adopting above-mentioned technical scheme, can control the liquid medicine concentration that gets into the medicine bottle entering through the control valve to the convenience is adjusted the liquid medicine concentration of mixing.
The invention is further arranged in such a way that a rotating shaft is arranged at the central position of the turntable, the interior of each group of the extrusion blocks is connected with a translation rod extending into the turntable, the outer side of the translation rod is sleeved with a return spring, the outer side of the translation rod is provided with a limiting block, the end part of the translation rod is rotatably connected with a rotating rod, and the rotating rod is rotatably connected with the rotating shaft.
Through adopting above-mentioned technical scheme, can carry out position adjustment to multiunit translation pole through the axis of rotation to drive multiunit extrusion piece and remove.
The peristaltic pump is further provided with extrusion grooves formed in the end portions of the extrusion blocks, protruding edges matched with the extrusion grooves are mounted on the inner wall of the peristaltic pump, and the hoses are located inside the extrusion grooves.
Through adopting above-mentioned technical scheme, can be abundant extrude the hose through extrusion piece and outstanding arris, improve the speed to the liquid transportation in the hose.
The invention is further arranged in such a way that an upper group of pushing blades and a lower group of pushing blades are arranged on the inner wall of the stirring ring, water inlet holes are formed in the inner wall of the stirring ring between each group of pushing blades, positioning rings are formed in the outer side of the stirring ring at the upper positions and the lower positions of the water inlet holes, gear surfaces and two groups of positioning rings are formed in the top end and the bottom end of each positioning ring.
Through adopting above-mentioned technical scheme, can be convenient stir solution through propelling movement blade, the convenience mixes solution.
The injection box is further provided with two groups of transmission teeth on the outer wall of the stirring bin, the end face of each group of transmission teeth is attached to the gear face of the positioning ring, the output end of the motor is positioned in the injection box and provided with an output tooth, and the output tooth is in transmission connection with the transmission teeth.
Through adopting above-mentioned technical scheme, can be convenient carry out output transmission to the stirring ring through output tooth and driving tooth.
The invention is further set in such a way that a spring rod is arranged inside the one-way valve, a baffle is arranged inside the peristaltic pump around the one-way valve, the top end of the one-way valve protrudes to the outer side of the baffle, the inner wall of the peristaltic pump is positioned above the baffle and is provided with a thread, and the end part of the brine bottle is also provided with a thread.
Through adopting above-mentioned technical scheme, can fix spacingly through the individual valve to the brine bottle, make things convenient for the brine to enter into in the peristaltic pump.
In summary, the invention mainly has the following beneficial effects:
1. according to the invention, through the peristaltic pump, the saline bottle and the one-way valve, before the hose is extruded, the saline bottle is firstly inserted into the one-way valve at the top end of the peristaltic pump, and saline is injected into the peristaltic pump, so that friction between the extrusion block and the hose can be reduced through the saline, the abrasion degree of the hose is reduced, the problem that the hose is easy to damage is effectively solved, and if the hose is damaged, the hose can be effectively isolated from outside air through physiological saline, and air is prevented from entering the hose.
2. According to the invention, through the connecting guide pipe, the output teeth, the stirring bin and the stirring ring, the concentration of the solution entering the stirring bin can be controlled through the control valve arranged in the connecting guide pipe, after the solution enters the stirring bin, the motor drives the turntable to rotate and simultaneously drives the transmission teeth through the output teeth, so that the stirring ring is driven to rotate, the stirring ring is enabled to stir the solution, the solution can be fully mixed, the solution mixing is facilitated, the use efficiency of the solution is improved, and the problem that the liquid is inconvenient to mix is effectively solved.
3. According to the hose replacing device, due to the arrangement of the rotary table and the extrusion block, when the hose needs to be replaced, the peristaltic pump is opened, the rotating shaft is rotated, so that the rotating shaft drives the rotating rod and the translation rod to move, the extrusion block is driven to be far away from the hose, then the hose is taken down and replaced, the hose can be conveniently replaced, and the use efficiency is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is a schematic view of the internal structure of the injection cassette of the present invention;
FIG. 4 is a schematic view of the structure of the plugging frame of the present invention;
FIG. 5 is a schematic view of the turntable mounting structure of the present invention;
FIG. 6 is a schematic cross-sectional view of the stirring chamber of the present invention;
FIG. 7 is a schematic top view of the stirring chamber of the present invention;
FIG. 8 is a schematic view of a stirring ring structure of the present invention;
FIG. 9 is a schematic view of the internal structure of the peristaltic pump of the present invention;
FIG. 10 is an enlarged view of a portion of the structure shown in FIG. 9A;
FIG. 11 is a schematic cross-sectional view of a turntable according to the present invention;
FIG. 12 is a schematic view of the structure of the extrusion block of the present invention.
In the figure: 1. a supporting seat; 2. an injection cartridge; 201. a control panel; 202. a plug-in frame; 203. a connecting port; 3. a liquid separation box; 4. a peristaltic pump; 401. connecting a conduit; 402. a control valve; 403. a liquid inlet pipe; 404. a discharge pipe; 5. a turntable; 501. a rotating shaft; 6. a motor; 601. outputting a tooth; 7. a stirring bin; 701. a transmission gear; 8. extruding the block; 801. a translation rod; 802. a return spring; 803. a limiting block; 804. rotating the rod; 805. extruding a groove; 9. a stirring ring; 901. a water inlet hole; 902. pushing the blades; 903. a positioning ring; 10. a hose; 11. a saline bottle; 12. a one-way valve; 1201. a spring rod.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
The following describes an embodiment of the present invention based on its overall structure.
A high-pressure radiography injection device comprises a supporting seat 1, an injection box 2 is installed on one side of the supporting seat 1, a control panel 201 is installed below a motor 6 inside the injection box 2, a control mechanism is installed inside the control panel 201, mechanisms in the device can be controlled and adjusted through the control mechanism, two groups of insertion frames 202 are installed at the top end of the injection box 2, a connecting port 203 is installed at the bottom end of each group of insertion frame 202 inside the injection box 2, inserting pins are installed inside the connecting port 203, external medicine bottles can be conveniently installed, a peristaltic pump 4 is installed on the outer wall of the injection box 2, check valves 12 are installed at the top end and the bottom end of the peristaltic pump 4, a spring rod 1201 is installed inside the check valve 12, a blocking piece is arranged around the check valve 12 inside the peristaltic pump 4, and the top end of the check valve 12 protrudes to the outer side of the blocking piece, the inner wall of the peristaltic pump 4 is positioned above the blocking piece and is provided with threads, the outer side of the check valve 12 is provided with a brine bottle 11, the end part of the brine bottle 11 is also provided with threads, sufficient brine can be injected into the peristaltic pump 4 through the brine bottle 11, when the peristaltic pump 4 runs through the brine, the friction inside the peristaltic pump 4 can be effectively reduced, the service life of the peristaltic pump 4 is prolonged, the inner part of the injection box 2 is provided with a motor 6, the output end of the motor 6 extends to the inner part of the peristaltic pump 4 and is provided with a rotating disc 5, the outer side of the rotating disc 5 is provided with a plurality of groups of extrusion blocks 8 in a surrounding manner, the outer side of each group of extrusion blocks 8 is sleeved with a hose 10, the end part of each group of extrusion blocks 8 is provided with an extrusion groove 805, the inner wall of the peristaltic pump 4 is provided with a protruding edge matched with the extrusion groove 805, the extrusion of the hose 10 can be fully extruded, the liquid in the hose 10 can be conveniently discharged, and the hose 10 is positioned inside the extrusion groove 805, feed liquor pipe 403 and discharge pipe 404 are installed to one side that peristaltic pump 4's inside is located carousel 5, and feed liquor pipe 403 and discharge pipe 404 all with the tip switch-on of hose 10, the bottom of feed liquor pipe 403 is connected with stirring storehouse 7, the internally mounted of stirring storehouse 7 has the stirring ring 9 of stirring liquid, stirring ring 9 passes through the transmission structure transmission with motor 6 and is connected, stirring storehouse 7 passes through the pipeline and connects the switch-on with connector 203, can carry out abundant mixed stirring to the solution that enters into hose 10 through stirring ring 9, thereby avoid solution concentration to differ, influence the detection.
Please refer to fig. 3 and fig. 11, a rotation axis 501 is installed at the central position of the turntable 5, the inside of each group of the extrusion blocks 8 is connected with a translation rod 801 extending to the inside of the turntable 5, a return spring 802 is sleeved on the outside of the translation rod 801, a limit block 803 is installed on the outside of the translation rod 801, the end of the translation rod 801 is rotatably connected with a rotation rod 804, the rotation rod 804 is rotatably connected with the rotation axis 501, the rotation axis 501 can be rotated, so as to drive multiple groups of the translation rods 801, the rotation rod 804 moves, so as to drive the extrusion blocks 8 to be separated from the hose 10, and the hose 10 is conveniently replaced.
Referring to fig. 2 and 4, a pipeline between the stirring bin 7 and the connection port 203 is a connection conduit 401, a control valve 402 is installed inside the connection conduit 401, the liquid separation tank 3 is installed outside the injection box 2, and a discharge pipe 404 is communicated with the liquid separation tank 3, so that the solution entering the stirring bin 7 can be conveniently controlled.
Please refer to fig. 7 and 8, two sets of upper and lower pushing blades 902 are installed on the inner wall of the stirring ring 9, and the inner wall of the stirring ring 9 is located between each set of pushing blades 902 and is all provided with a water inlet 901, the outer side of the stirring ring 9 is located at the upper and lower positions of the water inlet 901 and is all provided with a positioning ring 903, the top end and the bottom end of the positioning ring 903 are all provided with gear faces, two sets of positioning rings 903, two sets of driving teeth 701 are installed on the outer wall of the stirring bin 7, and the end face of each set of driving teeth 701 is all attached to the gear face of the positioning ring 903, the output end of the motor 6 is located inside the injection box 2 and is provided with an output tooth 601, the output tooth 601 is in transmission connection with the driving teeth 701, and the solution can be conveniently stirred and mixed through the stirring ring 9.
The working principle of the invention is as follows: before the device is used, the device is assembled, the control panel 201 is installed in the injection box 2 by the control mechanism, the motor 6 is installed in the injection box 2, the output tooth 601 is installed at the output of the motor 6 and located in the injection box 2, the rotating disc 5 is installed at the output end of the motor 6 and located outside the injection box 2, the liquid inlet pipe 403 and the discharge pipe 404 are installed on the outer wall of the injection box 2 and located at the side of the rotating disc 5, the stirring bin 7 is installed at the end of the liquid inlet pipe 403, at the moment, the stirring bin 7 is in transmission clamping with the output teeth 601 through the transmission teeth 701, then two sides of the stirring bin 7 are respectively communicated with the connecting ports 203 through the two groups of connecting guide pipes 401, the control valves 402 are respectively arranged on the two groups of connecting guide pipes 401, and then the control valves 402 and the motor 6 are communicated with the control mechanism through conducting wires, so that the device is assembled;
when the device is used, firstly, a medicine bottle head containing contrast fluid and physiological saline is downwards installed on the insertion frame 202, the medicine bottle is punctured through an insertion needle, the medicine fluid enters the connecting conduit 401 through the connecting port 203, then the motor 6 is started, the output end of the motor 6 drives the rotary disc 5 and the output teeth 601 to rotate, the rotary disc 5 continuously extrudes the hose 10 through the plurality of groups of extrusion blocks 8 on the outer side, so that air in the hose 10 and air in the stirring bin 7 and the connecting conduit 401 are exhausted, the medicine fluid can reach the position of the control valve 402 along the connecting conduit, at the moment, the control valve 402 on the connecting conduit 401 of the contrast fluid is closed, the physiological saline continuously enters the hose 10 to exhaust the air until the liquid distribution box 3 is filled with the liquid, then the control valve 402 on the physiological saline is synchronously closed, and then setting and debugging are carried out through the control panel 201, and connect the liquid separation box 3 with the external pipeline, adjust two sets of control valves 402 according to the concentration of the injected solution, according to the closing degree of the control valves 402, thereby changing the concentration of the contrast solution entering the stirring chamber 7, when the device is used, before, firstly, the saline bottle 11 is installed in the one-way valve 12 at the top end of the peristaltic pump 4, so that the physiological saline in the saline bottle 11 can enter the peristaltic pump 4 and be uniformly distributed at the outer side of the rotary disc 5, then, the motor 6 is started, the output end of the motor 6 drives the output teeth 601 and the rotary disc 5 to synchronously rotate, the rotary disc 5 continuously extrudes the solution in the hose 10 through a plurality of groups of extrusion blocks 8 at the outer side, and outputs the solution through the liquid separation box 3, and the extrusion grooves 805 arranged at the end part of the extrusion blocks 8 can fully extrude the hose 10, improve the output pressure, and in the output process, the physiological saline filled in the peristaltic pump 4 can play a role of lubrication, the damage of the extrusion block 8 to the hose 10 when the hose 10 is extruded is reduced, the service life of the hose 10 is prolonged, in the process of outputting the solution, the output teeth 601 can drive the transmission teeth 701 to rotate, the transmission teeth 701 can drive the stirring ring 9 in the stirring bin 7 to rotate, the stirring ring 9 can be used for fully stirring the mixed liquid of the physiological saline and the contrast fluid, and the stirred solution can enter the hose 10 through the liquid inlet pipe 403, so that the mixing degree of the contrast fluid and the physiological saline can be effectively improved, and the use efficiency is improved;
when the device is used for a long time, the service life of the hose 10 is shortened, so that the hose 10 needs to be replaced, when the device is replaced, firstly, the empty saline bottle 11 is installed on the one-way valve 12 at the bottom end of the peristaltic pump 4, physiological saline in the peristaltic pump 4 enters the empty saline bottle 11, then, the peristaltic pump 4 is opened, the rotating shaft 501 is forcibly rotated through equipment, the rotating shaft 501 drives the multiple groups of rotating rods 804 on the outer side to rotate, the rotating rods 804 drive the multiple groups of translation rods 801 to move in the turntable 5, the limiting blocks 803 extrude the return springs 802 and drive the extrusion blocks 8 to be separated from the hose 10, then, the hose 10 is taken down to replace a new hose 10, the force applied to the rotating shaft 501 is removed, the extrusion blocks 8 return to extrude the hose 10 again, the hose 10 can be conveniently replaced, and the use efficiency is improved;
and in the use of the hose 10, if the hose 10 is damaged, the normal saline in the peristaltic pump 4 can isolate the hose 10 from the outside air, so that the outside air can be effectively prevented from entering the output pipeline, and the occurrence of accidents is reduced.
Although embodiments of the present invention have been shown and described, it is intended that the present invention should not be limited thereto, that the particular features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples, and that modifications, substitutions, variations or the like, which are not inventive and may be made by those skilled in the art without departing from the principle and spirit of the present invention and without departing from the scope of the claims.
Claims (8)
1. The utility model provides a high pressure radiography injection apparatus, includes supporting seat (1), injection box (2) are installed to one side of supporting seat (1), two sets of grafting frame (202) are installed on the top of injection box (2), and the bottom of every group grafting frame (202) is located the internally mounted of injection box (2) and has connector (203), and peristaltic pump (4), its characterized in that are installed to the outer wall of injection box (2): check valve (12) are all installed to the top and the bottom of peristaltic pump (4), and the outside of check valve (12) installs brine bottle (11), the internally mounted of injection box (2) has motor (6), the internally mounted of the output of motor (6) to peristaltic pump (4) has carousel (5), the outside of carousel (5) is encircleed and is installed multiunit crushing block (8), and the outside of every group crushing block (8) has cup jointed hose (10), one side that the inside of peristaltic pump (4) is located carousel (5) installs feed liquor pipe (403) and discharge pipe (404), and feed liquor pipe (403) and discharge pipe (404) all with the tip switch-on of hose (10), the bottom of feed liquor pipe (403) is connected with stirring storehouse (7), the internally mounted in stirring storehouse (7) has stirring ring (9) of stirring liquid, stirring ring (9) are connected through the transmission structure transmission with motor (6), the stirring bin (7) is communicated with the connecting port (203) through a pipeline.
2. A high pressure contrast injection apparatus according to claim 1, wherein: the inside of injection box (2) is located the below of motor (6) and installs control panel (201), and the internally mounted of control panel (201) has control mechanism, the baffle is installed on the top of injection box (2), the internally mounted of connector (203) has the contact pin.
3. A high pressure contrast injection apparatus according to claim 1, wherein: the pipeline between stirring storehouse (7) and connector (203) is connecting pipe (401), the internally mounted of connecting pipe (401) has control valve (402), divide liquid case (3) are installed to the outside of injection box (2), discharge pipe (404) and divide liquid case (3) switch-on.
4. A high pressure contrast injection apparatus according to claim 1, wherein: axis of rotation (501), every group are installed to the central point of carousel (5) position the inside of extrusion piece (8) all is connected with and extends to carousel (5) inside translation pole (801), and translation pole (801) the outside has cup jointed return spring (802), stopper (803) are installed in the outside of translation pole (801), the tip of translation pole (801) rotates and is connected with dwang (804), and dwang (804) rotate with axis of rotation (501) and be connected.
5. The high pressure contrast injection device of claim 1, wherein: an extrusion groove (805) is formed in the end portion of each group of extrusion blocks (8), protruding ribs matched with the extrusion grooves (805) are installed on the inner wall of the peristaltic pump (4), and the hose (10) is located inside the extrusion grooves (805).
6. A high pressure contrast injection apparatus according to claim 1, wherein: two sets of propelling movement blade (902) about the inner wall of stirring ring (9) is installed, and the inner wall of stirring ring (9) is located and all sets up inlet opening (901) between every set of propelling movement blade (902), locating ring (903) have all been seted up to the upper and lower position that the outside of stirring ring (9) is located inlet opening (901), gear face, two sets of locating ring (903) have all been seted up to the top and the bottom of locating ring (903).
7. The high pressure contrast injection device of claim 6, wherein: two sets of driving teeth (701) are installed to the outer wall in stirring storehouse (7), and the terminal surface of every group driving tooth (701) all with the gear face laminating of holding ring (903), the internally mounted that the output of motor (6) is located injection box (2) has output tooth (601), output tooth (601) are connected with driving tooth (701) transmission.
8. A high pressure contrast injection apparatus according to claim 1, wherein: the inside mounting of check valve (12) has spring beam (1201), the inside of peristaltic pump (4) has seted up the separation blade around check valve (12), the top of check valve (12) is outstanding to the outside of separation blade, and the inner wall of peristaltic pump (4) is located the top of separation blade and has seted up the screw thread, the tip of brine bottle (11) is also seted up the screw thread.
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| CN202210138483.6A CN114470406B (en) | 2022-02-15 | 2022-02-15 | High-pressure radiography injection device |
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| CN202210138483.6A CN114470406B (en) | 2022-02-15 | 2022-02-15 | High-pressure radiography injection device |
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| CN114470406B CN114470406B (en) | 2023-06-13 |
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| CN111773469A (en) * | 2020-07-13 | 2020-10-16 | 仪维武 | Contrast medium injection device |
| CN213432305U (en) * | 2020-08-19 | 2021-06-15 | 无锡安致医疗科技有限公司 | High-pressure radiography injection device without needle cylinder |
| CN213432214U (en) * | 2020-08-20 | 2021-06-15 | 无锡安致医疗科技有限公司 | Needle-free high-pressure radiography injection system with uniform injection rate |
| CN214911567U (en) * | 2021-01-10 | 2021-11-30 | 无锡安致医疗科技有限公司 | High-pressure injection device without needle cylinder |
| CN112755334A (en) * | 2021-01-13 | 2021-05-07 | 佳木斯大学 | Cardiovascular contrast medium injection device for cardiovascular angiography examination in cardiovascular medicine and implementation method thereof |
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| CN114470406B (en) | 2023-06-13 |
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