CN107837439A - The replaceable injection tube contrast apparatus of integral type - Google Patents
The replaceable injection tube contrast apparatus of integral type Download PDFInfo
- Publication number
- CN107837439A CN107837439A CN201711349661.5A CN201711349661A CN107837439A CN 107837439 A CN107837439 A CN 107837439A CN 201711349661 A CN201711349661 A CN 201711349661A CN 107837439 A CN107837439 A CN 107837439A
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- China
- Prior art keywords
- injection tube
- joint
- liquid
- stepper motor
- integral type
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Classifications
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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
- A61M5/145—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons
- A61M5/1452—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons pressurised by means of pistons
-
- 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
Abstract
The present invention relates to technical field of medical equipment,Disclose a kind of replaceable injection tube contrast apparatus of integral type,Including base,Injection tube,Control device,Stepper motor,Micro gas-liquid mixing pump,Outer cover,Control panel,Base top is respectively equipped with the first fixed seat and the second fixed seat,Circular hole is respectively equipped with the top of first fixed seat,Arc groove,Neck,The injection tube is installed in arc groove,Stepper motor output shaft is connected with shaft coupling one end,The shaft coupling other end is connected with screw mandrel,Matching thread is connected to feed screw nut on the outside of screw mandrel,Micro gas-liquid mixing pump inlet end,Enter liquid end and be connected to dress gas cylinder,Liquid bottle,The inlet of liquid-accumulating bottle,Liquid outlet passes through flexible pipe for medical purpose row's mixed liquor end with micro gas-liquid mixing pump respectively,The second joint connection of Medical tee joint joint,There is the replaceable injection tube contrast apparatus of this integral type automation contrast agent and air are combined to form into uniform in size and stable contrast agent microbubble,Improve the advantages of checking efficiency.
Description
Technical field
The present invention relates to technical field of medical equipment, specially a kind of replaceable injection tube contrast apparatus of integral type.
Background technology
The contrast agent microbubble of this heart contrast examination Project Technical is mainly manual operation at present, is noted using 2 10 milliliters
Shooting cylinder, three-way cock connection；With hand reciprocal bolus infusion cylinder 20 times back and forth（Inject one and be designated as hand back and forth and shake once, push frequency
About 80 beats/min of rate）, manual operation mixing contrast agent, not only efficiency is slow, cost of human resources is high, and is easily operated
The limitation of the factors such as the skills involved in the labour of person, different operating person due to when vibration mixes contrast agent speed, number it is different, and
Injection speed difference, injection delay etc., it can cause contrasting effects different, as a result poor repeatability.Because can not accomplish to standardize, advise
Generalized, the technology is caused to be difficult to be widely popularized in clinic therefore set, it is necessary to develop a kind of replaceable injection tube radiography of integral type
It is standby.
The content of the invention
（One）The technical problem of solution
In view of the shortcomings of the prior art, the invention provides a kind of replaceable injection tube contrast apparatus of integral type, possesses structure letter
The advantages that contrast agent and air are combined to form stable contrast agent microbubble by single but easy to operate, automation, solves manual operation
Synthesis contrast agent microbubble, artificial injection contrast agent microbubble so cause efficiency is slow, cost of human resources is high, contrasting effects are different,
As a result the problem of poor repeatability.
（Two）Technical scheme
To achieve the above object, the present invention provides following technical scheme：A kind of replaceable injection tube contrast apparatus of integral type, including
It is base, injection tube, movable buckle, control device, stepper motor, micro gas-liquid mixing pump, liquid-accumulating bottle, Medical tee joint joint, outer
Cover, control panel, base top are respectively equipped with the first fixed seat and the second fixed seat, are respectively equipped with the top of first fixed seat
Circular hole, arc groove, neck, the injection tube are installed in arc groove, and the stepper motor output shaft is connected with shaft coupling one end,
The shaft coupling other end is connected with screw mandrel, and matching thread is connected to feed screw nut on the outside of screw mandrel, and feed screw nut is installed on the side of fixture block
In hole, the stepper motor is respectively equipped with micro gas-liquid mixing pump and control device, the micro gas-liquid mixing pump in both sides up and down
Inlet end, enter liquid end and be connected to dress gas cylinder, liquid bottle, the inlet of the liquid-accumulating bottle, liquid outlet are by medical soft
The row mixed liquor end with micro gas-liquid mixing pump, the second joint of Medical tee joint joint are connected pipe respectively, and the Medical tee joint connects
First joint of head is connected with injection tube dispensing end, and the outer cover is installed on the outside of base top, and electricity is respectively equipped with rear side of outer cover
Source interface, air vent, outer cover right side are provided with through hole.
Preferably, the spacing handle at the top of the injection tube is embedded in the neck at the top of the first fixed seat.
Preferably, the circular hole bottom is provided with card column, and card column is connected with spring bottom, and spring can surround card column rotation nine
Ten degree, spring top is connected with movable buckle bottom, and opposite side is arc-shaped, arc diameter and injection at the top of the movable buckle
Cylinder diameter is equal, and can be with injection tube top contact at the top of movable buckle.
Preferably, the fixture block bottom and top are respectively equipped with square hole and hole clipping, the feed screw nut side of being secured by bolts in
In hole, and piston handle is embedded in hole clipping.
Preferably, the Medical tee joint joint can adjust to form two kinds of paths therein, Yi Zhongwei by rotary switch：The
One joint and the second joint are open-minded, and the 3rd joint is closed；Another kind is：First joint and the 3rd joint are open-minded, and the second joint closes
Close.
Preferably, the control device power input is connected by wire with power interface, the output of control device power supply
End is connected with micro gas-liquid mixing pump, power supply for step-by-step motor input respectively by wire, the control panel and control device
It is electrically connected with.
Preferably, singlechip controller and stepper motor driver, single-chip microcomputer control are additionally provided with inside the control device
Device controls stepper motor rotating by stepper motor driver
（Three）Beneficial effect
Compared with prior art, the invention provides a kind of replaceable injection tube contrast apparatus of integral type, possess following beneficial to effect
Fruit：
The replaceable injection tube contrast apparatus of the integral type, connected by the structure between micro gas-liquid mixing pump, stepper motor, screw mandrel
Connect, then automated by micro gas-liquid mixing pump and contrast agent and air are mixed to form to stable contrast agent microbubble, and then kept away
Artificial synthesized contrast agent is exempted from and has been usually present that efficiency is slow, cost of human resources is high, contrasting effects are different, result poor repeatability is asked
Topic, while by stepper motor and screw rod transmission, it is stable that contrast agent microbubble is injected into patient's body, while different patients progress
, only can be by changing injection tube during contrast examination, and then improve the accuracy for checking efficiency and inspection.
Brief description of the drawings
Accompanying drawing is used for providing a further understanding of the present invention, and a part for constitution instruction, the reality with the present invention
Apply example to be used to explain the present invention together, be not construed as limiting the invention, in the accompanying drawings：
Fig. 1 is internal structure schematic diagram of the present invention；
Fig. 2 is external structure schematic diagram of the present invention；
Fig. 3 is front view of the present invention；
Fig. 4 is top view of the present invention；
Fig. 5 is fixture block of the present invention and feed screw nut's structure connection diagram；
Fig. 6 is micro gas-liquid mixing pump structural representation of the present invention；
Fig. 7 is outer cover schematic diagram of the present invention；
Structure sectional views of the Fig. 8 between activity screens of the present invention, spring and the first fixed seat；
Fig. 9 is Medical tee joint joint top view of the present invention；
Structural representations of the Figure 10 between injection tube of the present invention, piston handle and fixture block；
Figure 11 illustrates for understructure of the present invention；
Figure 12 is operating process schematic diagram of the present invention.
In figure：1- bases, the fixed seats of 2- first, the fixed seats of 3- second, 4- injection tubes, the spacing handles of 41-, 42- piston handles, 5-
Movable buckle, 6- control devices, 7- stepper motors, 8- shaft couplings, 9- screw mandrels, 10- feed screw nut, 11- fixture blocks, 111- square holes,
112- hole clippings, 12- micro gas-liquids mixing pump, 121- inlet ends, 122- enter liquid end, 123- arranges mixed liquor end, 13- fills gas cylinder,
14- liquid bottles, 15- liquid-accumulating bottles, 16- flexible pipe for medical purpose, 17- Medical tee joints joint, the joints of 171- first, the joints of 172- second,
The joints of 173- the 3rd, 18- rotary switches, 19- woven hoses, 20- outer covers, 21- circular holes, 211- card columns, 212- springs, 22- through holes,
221- power interfaces, 222- air vents, 23- control panels, 24- arc grooves, 25- necks.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Accompanying drawing is referred to, the present invention provides a kind of technical scheme：A kind of replaceable injection tube contrast apparatus of integral type, including
Base 1, injection tube 4, movable buckle 5, control device 6, stepper motor 7, micro gas-liquid mixing pump 12, liquid-accumulating bottle 15, medical three
Pass joint 17, outer cover 20, control panel 23, the top of base 1 are respectively equipped with the first fixed seat 2 and the second fixed seat 3, and first fixes
The top of seat 2 is respectively equipped with circular hole 21, arc groove 24, neck 25, and injection tube 4 is installed in arc groove 24, and the stepper motor 7 is defeated
Shaft is connected with the one end of shaft coupling 8, and the other end of shaft coupling 8 is connected with screw mandrel 9, and the outside matching thread of screw mandrel 9 is connected to screw mandrel spiral shell
Mother 10, feed screw nut 10 is installed in the square hole 111 of fixture block 11, and stepper motor is respectively equipped with micro gas-liquid mixing in both sides about 7
Pump 12 and control device 6, the inlet end 121 of micro gas-liquid mixing pump 12, enter liquid end 122 be connected to dress gas cylinder 13, dress liquid
Bottle 14, the inlet of liquid-accumulating bottle 15, liquid outlet pass through the row's mixed liquor with micro gas-liquid mixing pump 12 respectively of flexible pipe for medical purpose 16
End 123, the second joint 172 of Medical tee joint joint 17 connect, the first joint 171 and the note of injection tube 4 of Medical tee joint joint 17
End connection is penetrated, outer cover 20 is installed on the top outer of base 1, and the rear side of outer cover 20 is respectively equipped with power interface 221, air vent 222, outside
The right side of cover 20 is provided with through hole 22, and by designing air vent 222, after ensureing installation outer cover 20, the working air current in outer cover 20 is gentle
Pressure is consistent with the external world, and the setting of through hole 22, is easy to screw mandrel 9, the normal of fixture block 11 to stretch.
The spacing handle 41 at the top of injection tube 4 is embedded in the neck 25 at the top of the first fixed seat 2, and injection tube 4 is limited
Position, when preventing that piston handle 42 is movable, injection tube 4 is movable and then influences piston handle 42 by the contrast microbubbles ejection in injection tube 4.
The bottom of circular hole 21 is provided with card column 211, and card column 211 is connected with the bottom of spring 212, and spring 212 can surround card column 211
Rotated ninety degrees, the top of spring 212 are connected with the bottom of movable buckle 5, and the top opposite side of movable buckle 5 is arc-shaped, circle
Arc dia is equal with the diameter of injection tube 4, and the top of movable buckle 5 can be conveniently replaceable another injection tube with the top contact of injection tube 4
When 4, movable buckle 5 is first lifted into rotated ninety degrees again, now movable buckle 5 is parallel and contactless with injection tube 4, and replacing finishes
Afterwards, movable buckle 5 lifted again, turn round 90 degree, movable buckle 5 top and injection tube small in the restoring force of spring 212
4 top squeezes are locked.
The bottom of fixture block 11 and top are respectively equipped with square hole 111 and hole clipping 112, and feed screw nut 10 is secured by bolts in square hole
In 111, and piston handle 42 is embedded in hole clipping 112, is easy to drive feed screw nut 10 to move left and right when 9 rotating of screw mandrel, silk
The resynchronisation of stem nut 10 drives fixture block 11 to move left and right, and fixture block 11 finally drives piston handle 42 to move left and right, and then controls injection
Cylinder 4 extracts or injection contrast microbubbles.
Medical tee joint joint 17 can be adjusted by rotary switch 18 and form two kinds of paths therein, Yi Zhongwei：First joint
171 is open-minded with the second joint 172, and the 3rd joint 173 is closed, i.e., forms loop between injection tube 4 and liquid-accumulating bottle 15, work as injection tube
After contrast microbubbles injection in 4, drive screw mandrel 9 to invert by stepper motor 7, and then drive piston handle 42 to move backward,
Piston handle 42 aspirates the contrast agent microbubble in liquid-accumulating bottle 15, when needing to carry out same contrast examination project to another patient,
The woven hose 19 and injection needle directly contacted only by patient is changed, the usage amount of injection tube 4 can be reduced；It is another
For：First joint 171 and the 3rd joint 173 are open-minded, and the second joint 172 is closed, i.e., injection tube 4 forms path with woven hose 19,
The other end of woven hose 19 is connected by injection needle patient intravenous end, is easy to defeated to control device 6 by control panel 23
Entering command signal, control device 6 controls stepper motor 7 to drive screw mandrel 9 to rotate forward again, and then drives piston handle 42 to be moved along, and then
Piston handle 42 is driven to be moved along, the contrast agent microbubble in injection tube 4 is injected into patient's body by piston handle 42.
The power input of control device 6 is connected by wire with power interface 221, and the power output end of control device 6 passes through
Wire is connected with micro gas-liquid mixing pump 12, the power input of stepper motor 7 respectively, and control panel 23 and control device 6 are electrical
Connection, user can input the rotating instruction of stepper motor 7 or the enabled instruction of micro gas-liquid mixing pump 12, control in control panel 23
Command signal is transferred to control device 6, control device 6 and then the control rotating of stepper motor 7 again or started micro- by panel 23 processed
Air and contrast agent can be thoroughly mixed to form stable contrast agent microbubble by type gas-liquid mixing pump 12, micro gas-liquid mixing pump 12.
Singlechip controller and stepper motor driver are additionally provided with inside control device 6, singlechip controller passes through stepping
Motor driver and then the control rotating of stepper motor 7.
When in use, filling in gas cylinder 13 and liquid bottle 14 device respectively has an air and contrast agent after purification, and air and
The volume content ratio of contrast agent is 1:9, the button for thering is on control panel 23 control stepper motor 7 to start, close, also there is control
The start button of micro gas-liquid mixing pump 12, first starts micro gas-liquid mixing pump 12, and micro gas-liquid mixing pump 12 is by air and radiography
Agent is thoroughly mixed to form stable contrast agent microbubble, then contrast agent microbubble is transferred in liquid-accumulating bottle 15 by flexible pipe for medical purpose 16,
Loop will be formed by being adjusted by rotary switch 18 between injection tube 4 and liquid-accumulating bottle 15, then press stepper motor 7 reversion start by
Button, stepper motor 7 drive screw mandrel 9 to invert, and then drive piston handle 42 to move backward, and piston handle 42 aspirates making in liquid-accumulating bottle 15
Shadow agent microvesicle presses the X button of stepper motor 7 in injection tube 4, now again by rotary switch 18 adjust by injection tube 4 with
Woven hose 19 forms path, and the other end of woven hose 19 is connected by injection needle with patient's intravenous end, presses stepping again
Motor 7 rotates forward start button, and the low speed rotation of stepper motor 7 drives screw mandrel 9 to rotate forward, and then drives piston handle 42 to push away slow forward
It is dynamic, piston handle 42 and then the contrast agent microbubble in injection tube 4 is slowly injected into patient's body, is easy to the inspection of follow-up radiography project
Look into.
Especially, the connection between flexible pipe for medical purpose 16 and micro gas-liquid mixing pump 12, liquid-accumulating bottle 15, Medical tee joint joint 17
It is connected through a screw thread, and micro gas-liquid mixing pump 12 is secured by bolts in the top of base 1, wherein stepper motor 7 passes through solid
Fixed button and bolt are fixed on the top of base 1.
In summary, the replaceable injection tube contrast apparatus of the integral type, passes through micro gas-liquid mixing pump, stepper motor, silk
Structure connection between bar, is then automated by micro gas-liquid mixing pump and contrast agent and air is mixed to form to stable radiography
Agent microvesicle, so avoid artificial synthesized contrast agent be usually present efficiency is slow, cost of human resources is high, contrasting effects are different, knot
The problem of fruit poor repeatability, while contrast agent microbubble is injected into patient's body, entered by stepper motor and screw rod transmission, stabilization
And improve the accuracy for checking efficiency and inspection.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply and deposited between these entities or operation
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability includes, so that process, method, article or equipment including a series of elements not only will including those
Element, but also the other element including being not expressly set out, or it is this process, method, article or equipment also to include
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Other identical element also be present in process, method, article or equipment including the key element.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. the replaceable injection tube contrast apparatus of integral type, including base（1）, injection tube（4）, movable buckle（5）, control device
（6）, stepper motor（7）, micro gas-liquid mixing pump（12）, liquid-accumulating bottle（15）, Medical tee joint joint（17）, outer cover（20）, control
Panel（23）, it is characterised in that：The base（1）Top is respectively equipped with the first fixed seat（2）With the second fixed seat（3）, it is described
First fixed seat（2）Top is respectively equipped with circular hole（21）, arc groove（24）, neck（25）, the injection tube（4）It is installed on circular arc
Groove（24）It is interior, the stepper motor（7）Output shaft and shaft coupling（8）One end connects, shaft coupling（8）The other end and screw mandrel（9）Even
Connect, screw mandrel（9）Outside matching thread is connected to feed screw nut（10）, feed screw nut（10）It is installed on fixture block（11）Square hole
（111）It is interior, the stepper motor（7）Upper and lower both sides are respectively equipped with micro gas-liquid mixing pump（12）And control device（6）, it is described micro-
Type gas-liquid mixing pump（12）Inlet end（121）, enter liquid end（122）It is connected to dress gas cylinder（13）, liquid bottle（14）, it is described
Liquid-accumulating bottle（15）Inlet, liquid outlet pass through flexible pipe for medical purpose（16）Respectively with micro gas-liquid mixing pump（12）Row's mixed liquor
End（123）, Medical tee joint joint（17）The second joint（172）Connection, the Medical tee joint joint（17）The first joint
（171）With injection tube（4）Dispensing end connects, the outer cover（20）It is installed on base（1）Top outer, outer cover（20）Rear side is distinguished
Provided with power interface（221）, air vent（222）, outer cover（20）Right side is provided with through hole（22）.
2. the replaceable injection tube contrast apparatus of integral type according to claim 1, it is characterised in that：The injection tube（4）
The spacing handle at top（41）It is embedded in the first fixed seat（2）The neck at top（25）It is interior.
3. the replaceable injection tube contrast apparatus of integral type according to claim 1, it is characterised in that：The circular hole（21）Bottom
Portion is provided with card column（211）, card column（211）With spring（212）Bottom connects, and spring（212）Card column can be surrounded（211）Rotation nine
Ten degree, spring（212）Top and movable buckle（5）Bottom connects, the movable buckle（5）Top opposite side is arc-shaped, circle
Arc dia and injection tube（4）Diameter is equal, and movable buckle（5）Top can be with injection tube（4）Top contact.
4. the replaceable injection tube contrast apparatus of integral type according to claim 1, it is characterised in that：The fixture block（11）Bottom
Portion and top are respectively equipped with square hole（111）And hole clipping（112）, feed screw nut（10）It is secured by bolts in square hole（111）It is interior, and
Piston handle（42）It is embedded in hole clipping（112）It is interior.
5. the replaceable injection tube contrast apparatus of integral type according to claim 1, it is characterised in that：The Medical tee joint connects
Head（17）Rotary switch can be passed through（18）Regulation forms two kinds of paths therein, Yi Zhongwei：First joint（171）With the second joint
（172）It is open-minded, the 3rd joint（173）Close；Another kind is：First joint（171）With the 3rd joint（173）Open-minded, second connects
Head（172）Close.
6. the replaceable injection tube contrast apparatus of integral type according to claim 1, it is characterised in that：The control device
（6）Power input passes through wire and power interface（221）Connection, control device（6）Power output end by wire respectively with
Micro gas-liquid mixing pump（12）, stepper motor（7）Power input connects, the control panel（23）With control device（6）Electricity
Property connection.
7. the replaceable injection tube contrast apparatus of integral type according to claim 1, it is characterised in that：The control device
（6）Inside is additionally provided with singlechip controller and stepper motor driver, singlechip controller by stepper motor driver and then
Control stepper motor（7）Rotating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711349661.5A CN107837439B (en) | 2017-12-15 | 2017-12-15 | Integrated replaceable injection tube radiography equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711349661.5A CN107837439B (en) | 2017-12-15 | 2017-12-15 | Integrated replaceable injection tube radiography equipment |
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| CN107837439A true CN107837439A (en) | 2018-03-27 |
| CN107837439B CN107837439B (en) | 2023-10-17 |
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| CN201711349661.5A Active CN107837439B (en) | 2017-12-15 | 2017-12-15 | Integrated replaceable injection tube radiography equipment |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108744114A (en) * | 2018-06-21 | 2018-11-06 | 广东省人民医院(广东省医学科学院) | Pressure activated automates contrast apparatus |
| CN108744113A (en) * | 2018-06-21 | 2018-11-06 | 广东省人民医院(广东省医学科学院) | A kind of Fully automated synthesis contrast agent and injection device |
| CN108853635A (en) * | 2018-08-07 | 2018-11-23 | 广东省人民医院(广东省医学科学院) | A kind of automatic opacifying injection device |
| CN109260550A (en) * | 2018-10-30 | 2019-01-25 | 北京大学深圳医院 | Contrast agent microbubble vibrates infusing device |
| CN109718412A (en) * | 2019-02-25 | 2019-05-07 | 南通市中医院 | It is a kind of through T pipe cholangiography agent infusing device |
| CN110083182A (en) * | 2019-06-09 | 2019-08-02 | 昆山盈达科机电科技有限公司 | A kind of liquid capacity cnc mechanism and method |
| CN110638506A (en) * | 2019-11-11 | 2020-01-03 | 常州市第一人民医院 | Pneumothorax puncture device with uniform-speed liquid pumping function for department of respiration |
| CN111773469A (en) * | 2020-07-13 | 2020-10-16 | 仪维武 | Contrast medium injection device |
| CN112295065A (en) * | 2020-09-30 | 2021-02-02 | 广州迈普再生医学科技股份有限公司 | Full-automatic self-adaptive medical glue spraying device |
| CN112604129A (en) * | 2020-12-23 | 2021-04-06 | 周春阳 | Contrast agent injection equipment for cardiovascular radiography |
| CN114105063A (en) * | 2021-11-04 | 2022-03-01 | 深圳市真味生物科技有限公司 | Essence spices injection appearance is used in production of electron atomized liquid |
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