CN106237499A - A kind of contrast agent injector - Google Patents
A kind of contrast agent injector Download PDFInfo
- Publication number
- CN106237499A CN106237499A CN201610765551.6A CN201610765551A CN106237499A CN 106237499 A CN106237499 A CN 106237499A CN 201610765551 A CN201610765551 A CN 201610765551A CN 106237499 A CN106237499 A CN 106237499A
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- China
- Prior art keywords
- drive mechanism
- contrast agent
- injection
- connector
- agent injector
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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
- A61M31/00—Devices for introducing or retaining media, e.g. remedies, in cavities of the body
- A61M31/005—Devices for introducing or retaining media, e.g. remedies, in cavities of the body for contrast media
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2202/00—Special media to be introduced, removed or treated
- A61M2202/04—Liquids
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/19—Constructional features of carpules, syringes or blisters
-
- 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
- A61M2210/00—Anatomical parts of the body
- A61M2210/005—Anatomical parts of the body used as an access side to the body
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- Health & Medical Sciences (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 provides a kind of contrast agent injector, relate to technical field of medical instruments, for solve present in prior art to bolus administration of contrast agent in the patient time, it is impossible to judge the technical problem of situation in the patient.The contrast agent injector that the present invention provides includes: support member, injection mechanism drive mechanism, drive mechanism and controlling organization, injection mechanism, drive mechanism, drive mechanism and controlling organization are installed on support member, drive mechanism is connected with drive mechanism, drive mechanism is connected with injection mechanism, drive mechanism is provided with pressure transducer and pressure display unit with the junction of injection mechanism, pressure transducer is connected with pressure display unit signal, and controlling organization is connected with drive mechanism signal.The contrast agent injector that the present invention provides is applied to during bolus administration of contrast agent in the patient, the force value that doctor can show according to pressure display unit, it is judged that situation in the patient.
Description
Technical field
The present invention relates to technical field of medical instruments, especially relate to a kind of contrast agent injector.
Background technology
When enforcement retrograde urography, urethrography and cholangiography etc., need to be to bolus administration of contrast agent in the patient.Radiography
Agent is for strengthening Imaging Study effect and to be injected into tissue or intraorganic chemicals.The density of these chemicalss is high
In or less than surrounding tissue, be contrasted with surrounding tissue, contrast images can be shown by some apparatus.
At present, the conventional method of injecting be doctor under the irradiation of X-ray machine to the internal bolus administration of contrast agent of patient, locate for a long time
In the environment of lonizing radiation, it is clear that can damage the health of doctor, therefore, relevant scholar designs contrast agent injector, but makes
During with such contrast agent injector, it is impossible to real-time perception pressure in the patient changes, therefore, it is impossible to control the speed injected well
Degree and the amount of bolus administration of contrast agent, use under special circumstances and there is potential safety hazard, such as: patient's obstruction of biliary tract, cannot before radiography
Distinguishing, if still using mechanical thrust to bolus administration of contrast agent in the patient, in causing biliary tract, total amount of liquid increases and nothing
Method is normally discharged, and binary passage presyure power drastically raises, and severe patient can cause around tube wall or the damage of tissue and increase patient not
Necessary misery.
Summary of the invention
It is an object of the invention to provide a kind of contrast agent injector, it can show patient's body in bolus infusion processes in real time
Interior pressure change, pressure just can stop injecting before being increased to dangerous values immediately, it is to avoid damages patient.
For reaching above-mentioned purpose, the present invention provides techniques below scheme:
The contrast agent injector that the present invention provides includes: support member, injection mechanism, drive mechanism, drive mechanism and control
Mechanism, described injection mechanism, described drive mechanism, described drive mechanism and described controlling organization are installed in described support member
On, described drive mechanism is connected with described drive mechanism, and described drive mechanism is connected with described injection mechanism, described drive mechanism
The junction of described injection mechanism is provided with pressure transducer and pressure display unit, and described pressure transducer shows with described pressure
Showing that device signal connects, described controlling organization is connected with described drive mechanism signal.
Further, described injection mechanism is syringe, and described syringe includes injection tube and injection rod, described injection rod
One end be positioned at described injection tube, the other end is connected with described drive mechanism, described injection rod is positioned at described injection tube
One end is provided with piston.
Further, described drive mechanism includes electron speed regulator and motor, described electron speed regulator respectively with described control
Mechanism processed and described motor signal connect, and described motor is connected with described drive mechanism.
Further, described drive mechanism includes that gear and tooth bar, described gear are connected with described motor, described gear with
Described tooth bar engages, and described tooth bar is connected with described injection rod.
Further, described drive mechanism also includes the first connector and the second connector, and described first connector is respectively
Being connected with described second connector and described tooth bar, described second connector is connected with described injection rod, described pressure transducer
With the junction that described pressure display unit is arranged at described injection rod and described second connector.
Further, the opening of described injection tube is provided with flange, described injection tube by described flange with described
Support member clamping.
Further, described first connector is slidably connected with described support member.
Further, described support member is provided with slide block, described slide block is provided with and coordinates with described first connector
Groove.
Further, described controlling organization includes remote controller and the signal receiver being connected with described remote controller signal, institute
State signal receiver to be connected with described electron speed regulator signal.
Further, also include power sector, described power sector respectively with described controlling organization and described drive mechanism
Electrical connection.
In the contrast agent injector that the present invention provides, support member is used for supporting injection mechanism, drive mechanism, drive mechanism
And controlling organization, when the contrast agent injector using the present invention to provide, first contrast agent is drawn into inside injection mechanism, control
Mechanism controls drive mechanism processed, makes drive mechanism drive drive mechanism motion, and drive mechanism promotes injection mechanism, makes injection mechanism
By internal to patient of contrast agent bolus；Meanwhile, pressure transducer measures the pressure between injection mechanism and drive mechanism, and leads to
Excess pressure display demonstrates force value in real time, and this force value reflects contrast agent in situation in the patient, such as: display
Force value is the biggest, represents that contrast agent in the patient is the most, and meanwhile, force value pace of change is the fastest, represents to pushing away in the patient
The speed of note is the fastest, when force value pace of change is too fast, can control drive mechanism adjustment by controlling organization and inject speed, when
Pressure just can stop injecting before being increased to dangerous values immediately.
Compared with existing contrast agent injector, the contrast agent injector that the present invention provides is at injection mechanism and drive mechanism
Junction be provided with pressure transducer, and injection mechanism and driver in bolus infusion processes can be shown in real time by pressure display unit
Pressure change between structure, can be according to the force value of display in real time, and speed and time to injecting are controlled, it is to avoid to patient
Damage.
Accompanying drawing explanation
In order to be illustrated more clearly that the specific embodiment of the invention or technical scheme of the prior art, below will be to specifically
In embodiment or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not paying creative work
Put, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The structural representation of the contrast agent injector that Fig. 1 provides for the embodiment of the present invention；
Support member internal structure schematic diagram in the contrast agent injector that Fig. 2 provides for the embodiment of the present invention；
The structural representation of the second connector in the contrast agent injector that Fig. 3 provides for the embodiment of the present invention；
The connection diagram one of the injection tube in the contrast agent injector that Fig. 4 provides for the embodiment of the present invention and support member；
The connection diagram two of the injection tube in the contrast agent injector that Fig. 5 provides for the embodiment of the present invention and support member；
The connection diagram of the first connector in the contrast agent injector that Fig. 6 provides for the embodiment of the present invention and slide block；
The connection signal of the first connector in the contrast agent injector that Fig. 7 provides for the embodiment of the present invention and support member
Figure；
The structural representation of the remote controller in the contrast agent injector that Fig. 8 provides for the embodiment of the present invention.
Reference:
10-support member；101-shutter；11-injection tube；
111-the first flange；12-injection rod；121-the second flange；
21-electron speed regulator；22-motor；31-gear；
32-tooth bar；331-the first connector；332-the second connector；
34-slide block；35-pulley；36-chute；
4-pressure transducer；5-pressure display unit；61-remote controller；
611-shift knob；612-speed control rod；62-signal receiver；
7-power sector.
Detailed description of the invention
Below in conjunction with accompanying drawing, technical scheme is clearly and completely described, it is clear that described enforcement
Example is a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under not making creative work premise, broadly falls into the scope of protection of the invention.
In describing the invention, it should be noted that term " " center ", " on ", D score, "left", "right", " vertically ",
Orientation or the position relationship of the instruction such as " level ", " interior ", " outward " they are based on orientation shown in the drawings or position relationship, merely to
Be easy to describe the present invention and simplifying describe rather than instruction or the hint device of indication or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.Additionally, term " first ", " second ",
" the 3rd " is only used for describing purpose, and it is not intended that indicate or hint relative importance.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " is installed ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be fixing connection, it is also possible to be to removably connect, or be integrally connected；Can
To be mechanical connection, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, can understand that above-mentioned term is at this with concrete condition
Concrete meaning in invention.
The structural representation of the contrast agent injector that Fig. 1 provides for the embodiment of the present invention, as it is shown in figure 1, the present invention implements
The contrast agent injector that example provides includes: support member 10, injection mechanism, drive mechanism, drive mechanism and controlling organization, injector
Structure, drive mechanism, drive mechanism and controlling organization are installed on support member 10, and drive mechanism is connected with drive mechanism, transmission
Mechanism is connected with injection mechanism, and drive mechanism is provided with pressure transducer 4 and pressure display unit 5 with the junction of injection mechanism,
Pressure transducer 4 is connected with pressure display unit 5 signal, and controlling organization is connected with drive mechanism signal.
In the contrast agent injector that the embodiment of the present invention provides, support member 10 is body structure, drive mechanism, driver
Structure and controlling organization are respectively positioned in the cavity of support member 10, and injection mechanism is positioned at the outside of support member 10, a drive mechanism part
The inside being positioned at support member 10 is connected with drive mechanism, another part is positioned at the outside of support member 10 and is connected with injection mechanism；
Drive mechanism is connected with drive mechanism, for producing the power injected；Controlling organization is connected with drive mechanism signal, controlling organization
For controlling drive mechanism, indirectly realize the control injecting speed and time.
When the contrast agent injector using the embodiment of the present invention to provide, first contrast agent is drawn in injection mechanism
Portion, controlling organization controls drive mechanism, makes drive mechanism drive drive mechanism motion, and drive mechanism promotes injection mechanism, makes note
Penetrate mechanism by internal to patient of contrast agent bolus；Meanwhile, pressure transducer 4 is measured between injection mechanism and drive mechanism
Pressure, and demonstrate force value in real time by pressure display unit 5, this force value reflects contrast agent in situation in the patient,
Such as: the force value of display is the biggest, representing that contrast agent in the patient is the most, meanwhile, force value pace of change is the fastest, represent to
The speed injected in the patient is the fastest, when force value pace of change is too fast, can control drive mechanism by controlling organization and adjust
Inject speed, just can stop immediately injecting before pressure is increased to dangerous values.
Compared with existing contrast agent injector, the contrast agent injector that the embodiment of the present invention provides is in injection mechanism and biography
The junction of motivation structure is provided with pressure transducer 4, and can show injection mechanism in bolus infusion processes in real time by pressure display unit 5
And the pressure change between drive mechanism, can be according to the force value of display in real time, and speed and time to injecting are controlled, and keep away
Exempt from patient is damaged.
Above-mentioned injection mechanism is used for extracting contrast agent, and by contrast agent bolus in the patient.In the present embodiment, injection
Mechanism is syringe, and syringe includes injection tube 11 and injection rod 12, and one end of injection rod 12 is positioned at injection tube 11, injection rod
The one end outside injection tube 11 that is positioned at of 12 is connected with drive mechanism, and injection rod 12 is positioned at one end of injection tube 11 and is provided with work
Plug, piston can be made up of rubber, and when the inner chamber of injection tube 11 is cylindrical, piston is cylindrical, and the diameter of piston is slightly larger than
The internal diameter of injection tube 11.Injection tube 11 in injection mechanism may be configured as different shapes, as long as the piston on injection rod 12
Profile is identical with the cavity shape structure of injection tube 11, when piston moves in injection tube 11, makes the pressure in injection tube 11 send out
Changing, all disclosure satisfy that injection mechanism extraction and the needs of bolus administration of contrast agent.When bolus administration of contrast agent, first contrast agent is extracted
In injection tube 11, the power of drive mechanism is passed to injection rod 12 by drive mechanism, promotes injection rod 12 in injection tube 11
Motion, makes the pressure in injection tube 11 be more than pressure in the patient, and then by the contrast agent bolus in injection tube 11 to patient
Internal.Making injection mechanism is syringe, simple in construction, and easily realizes injecting operation.
In order to meet the different needs injecting speed, drive mechanism includes electron speed regulator 21 and motor 22, and electronics is adjusted
Speed device 21 is for adjusting the rotating speed of motor 22, and motor 22 is for producing the power injected, specifically, as in figure 2 it is shown, electronic speed regulation
Device 21 is between controlling organization and motor 22, and is connected with controlling organization and motor 22 signal respectively, motor 22 and driver
Structure connects.During bolus administration of contrast agent in the patient, control according to the pace of change of the pressure of pressure display unit 5 display
System injects speed, when the pace of change of pressure is fast, can be sent by controlling organization and reduce the signal injecting speed, controlling organization
Signal passes to electron speed regulator 21, and electron speed regulator 21 reduces the rotating speed of motor 22 according to the signal received；Work as needs
When speed is injected in raising, can be sent by controlling organization and improve the signal injecting speed, signal is passed to electronics by controlling organization
Speed regulator 21, electron speed regulator 21 improves the rotating speed of motor 22 according to the signal received.Drive mechanism is made to include electronic speed regulation
Device 21 and motor 22, it is achieved while bolus administration of contrast agent in the patient, also can realize the adjustment injecting speed, meets difference
The needs injecting speed.
During being scanned patient, when white portion occur in the image scanned, this white portion can
Can be the image formed by calculus in the patient or air, in order to confirm imaging reason, need injection rod 12 back and forth movement,
Repeatedly injecting and extract contrast agent, making contrast agent flow in the patient, if the shape of white portion changes, then this is white
Territory, zone is the picture become by air, if this white portion does not changes, then this white portion is to be become by calculus in the patient
Picture.
Above-mentioned drive mechanism is for passing to injection rod 12, in the present embodiment, transmission by the power that drive mechanism produces
Mechanism includes that gear 31 and tooth bar 32, gear 31 are connected with the motor 22 in drive mechanism, and tooth bar 32 can be located at the upper of gear 31
Side or lower section are also engaged with gear 31, and one end of tooth bar 32 is connected with injection rod 12, the direction of motion of tooth bar 32 and syringe
Length direction identical.When to bolus administration of contrast agent in the patient, controlling organization controls motor 22 side counterclockwise as shown in Figure 1
To rotation, gear 31 engages with tooth bar 32, makes tooth bar 32 move to left side as shown in Figure 1, and then drives injection rod 12 to the left
Motion, injection rod 12 by the contrast agent bolus in injection tube 11 in the patient；Need in time extracting contrast agent in the patient, make
Motor 22 being rotated clockwise as shown in Figure 1, gear 31 engages with tooth bar 32, makes tooth bar 32 transport to the right side shown in Fig. 1
Dynamic, and then drive injection rod 12 to move right, extraction contrast agent in the patient.Drive mechanism is made to include gear 31 and tooth bar
32, it is possible to motor 22 power is passed to injection rod 12, make injection rod 12 do back and forth movement, it is achieved contrast agent is injected and takes out
Take.
Further, drive mechanism may also include the first connector 331 for connecting tooth bar 32 and injection rod 12 and
Second connector 332, as it is shown on figure 3, the first connector 331 is positioned at the top of tooth bar 32 and is connected with tooth bar 32；First connects
Part 331 and tooth bar 32 can by welding, clamping or threaded by the way of be connected, specifically, when tooth bar 32 is connected with first
When part 331 connects by the way of clamping, can arrange groove in the lower surface of the first connector 331, the width of groove is slightly less than
The width of tooth bar 32, tooth bar 32 is connected by groove and the first connector 331, and, when the width of gear 31 is more than tooth bar 32
Width time, the tooth root of tooth bar 32 exceeds the lower surface of the first connector 331；When the width of gear 31 is less than the width of tooth bar 32
Time, the tooth root of tooth bar 32 can be located in the groove of the first connector 331, for preventing the output shaft of motor 22 from touching the first connection
The lower surface of part 331, makes the degree of depth radius less than gear 31 of groove；When tooth bar 32 and the first connector 331 are connected by screw thread
When the mode connect connects, the first connector 331 is provided with through hole with tooth bar 32 same position, makes the through hole that bolt passes, bolt
Tooth bar 32 and the connection of the first connector 331 is realized with nut screw connection.Second connector 332 is positioned at the one of the first connector 331
End, the second connector 332 includes two set squares and a square plate, and two set squares are right angled triangle, at square plate
In two relative sides, right-angle side connection, another side and the right angle of another set square of a side and a set square
Limit connects, and another right-angle side and first connector 331 of two set squares connect, and the end face of square plate is connected with injection rod 12,
And pressure transducer 4 and pressure display unit 5 are arranged at the junction of the second connector 332 and injection rod 12；As another kind
Embodiment, connector can only include the second connector 332, and the lower end of the second connector 332 can be by bonding or welding
Mode is connected with tooth bar 32 right-hand member as shown in Figure 1.When to bolus administration of contrast agent in the patient, controlling organization controls motor 22 and presses
Counter clockwise direction shown in Fig. 1 rotates, and gear 31 engages with tooth bar 32, makes tooth bar 32 move to left side as shown in Figure 1, and then
Driving the first connector 331 and the second connector 332 to left movement, the second connector 332 promotes injection rod 12 to left movement, note
Rhizoma Belamcandae 12 by the contrast agent bolus in injection tube 11 in the patient；Need in time extracting contrast agent in the patient, make motor 22
Being rotated clockwise as shown in Figure 1, gear 31 engages with tooth bar 32, makes tooth bar 32 move to the right side shown in Fig. 1, and then
Driving the first connector 331 and the second connector 332 to move right, the second connector 332 pulls injection rod 12 to move right, and takes out
Take contrast agent in the patient.Tooth bar 32 drives the first connector 331 and the second connector 332 back and forth movement, due to second even
Fitting 332 is connected with injection rod 12, therefore injection rod 12 back and forth movement under the drive of the second connector 332, it is achieved to radiography
The injecting and extracting of agent.
As the another kind of kind of drive, drive mechanism can be ball-screw, and specifically, ball-screw includes leading screw and spiral shell
Mother, the length direction of leading screw is identical with the length direction of injection tube 11, and one end of leading screw is connected with motor 22；Nut sleeve is located at silk
On thick stick, and being connected with the lower end of the second connector 332, the upper end of the second connector 332 is connected with injection rod 12.In bolus infusion processes
In, motor 22 drives screw turns, and nut along the length direction back and forth movement of leading screw, and then can drive the second connector 332 He
Injection rod 12 back and forth movement, it is achieved the injecting and extracting of contrast agent.
In order to drive injection tube 11 to move when preventing injection rod 12 from moving, and facilitate injection tube 11 from support member 10
Take off, it is preferable that injection tube 11 and support member 10 clamping.Specifically, the peripheral setting of the right-hand member as shown in Figure 1 of injection tube 11
Having a circle flange, the most referred to as first flange 111, the external diameter of the first flange 111 is more than the external diameter of injection tube 11, as
Shown in Fig. 4, the side after injection tube 11 and the combination of the first flange 111 is T-shaped, is provided with in the upper surface of support member 10 meanwhile
The T-slot coordinated with injection tube 11 and the first flange 111, for ensureing the proper motion of injection rod 12, the degree of depth of T-slot is less than the
The outward flange of one flange 111 is to the distance of the side of injection rod 12, the bottom of injection tube 11 and the equal position, bottom of the first flange 111
In T-slot, limit the movement of injection tube 11 by limiting the movement of the first flange 111.To injecting radiography in the patient
During agent, injection rod 12 is to left movement, because having friction between the inwall of the piston on the left end of injection rod 12 and injection tube 11, and injection
Bar 12 will drive injection tube 11 to left movement, and two relative inwalls of T-slot two end faces with the first flange 111 respectively connect
Touch, thus stop injection tube 11 to left movement, make to produce between injection rod 12 and injection tube 11 relative motion, by injection tube 11
Contrast agent bolus in the patient；When, in time extracting contrast agent in the patient, injection rod 12 moves right, the inwall of T-slot
Stop injection tube 11 to move right, make to produce between injection rod 12 and injection tube 11 relative motion, by contrast agent in the patient
It is drawn in injection tube 11；When need to be taken off from support member 10 by injection tube 11, injection tube 11 is made to move upward, by injection tube
11 take off from support member 10.Make injection tube 11 and support member 10 clamping, be i.e. prevented from injection rod 12 and drive injection tube 11 to transport
Dynamic, can easily injection tube 11 be taken off from support member 10 again.
For preventing injection tube 11 from moving along the radial, it is preferable that two shutters can be arranged in the upper end of support member 10
101, as it is shown in figure 5, two shutters 101 lay respectively at the both sides of injection tube 11, it is used for preventing injection tube 11 from radially moving
Dynamic；Additionally, be also provided with the groove coordinated with the first flange 111 on two pieces of shutters 101, the first flange on injection tube 11
111 insert in grooves, and groove left inside wall as shown in Figure 5 and right inwall are prevented from injection tube 11 and move along its length.
Further, T-slot and two shutters 101 can be set on support member 10 simultaneously, to prevent injection tube 11 edge
Its length direction and moving radially.
For convenience injection rod 12 is taken off from connector, it is preferable that injection rod 12 and the second connector 332 clamping.
Specifically, the right-hand member as shown in Figure 1 of injection rod 12 is provided with the second flange 121, and the second flange 121 is rounded, injection rod 12
Length direction vertical with the end face of the second flange 121.The left surface of the second connector 332 is provided with buckling groove, preferably
Ground, as it is shown in figure 5, buckling groove is T-slot, and the length direction of T-slot is vertical with the length direction of injection rod 12, T-slot
The width of opening part slightly larger than the diameter of injection rod 12, less than the diameter of the second flange 121, the width of the bottom of T-slot is bigger
In the diameter of the second flange 121, the second flange 121 is positioned at the bottom of T-slot.When needing to take off syringe, make syringe along T-shaped
The length direction of groove moves, it is convenient to taken out from the upper end of the second connector 332 by injection rod 12.
In order to increase the stability in connector motor process, connector is made to be slidably connected with support member 10.Support member 10
For body structure, it is internal that the first connector 331 is positioned at support member 10, and sliding with the upper surface within support member 10 or lower surface
It is dynamically connected.
Specifically, when above tooth bar 32 is positioned at gear 31, slide block 34 can be set in the upper surface within support member 10, sliding
The quantity of block 34 is two, and two slide blocks 34 are arranged along the length direction of the first connector 331, and two slide blocks 34 all pass through screw thread
The mode connected is connected with support member 10；As shown in Figure 6, the end face of the first connector 331 is I-shaped, on two slide blocks 34 all
Being provided with the groove coordinated with the first connector 331, groove is T-slot.To the left or move right at the first connector 331
Time, the first connector 331 slides along groove, prevents the first connector 331 from moving along its width so that it is to move more flat
Surely, and then make the motion of injection rod 12 more steady.
When tooth bar 32 is positioned at the lower section of gear 31, the first connector 331 is positioned at the lower section of tooth bar 32, can connect first
The lower surface of part 331 arranges pulley 35, as it is shown in fig. 7, the quantity of pulley 35 can be two, two pulleys 35 are along the first connector
The width of 331 is arranged, and is provided with two chutes 36 coordinated with pulley 35, two cunnings in the inner bottom surface of support member 10
The length direction of groove 36 is all identical with the length direction of the first connector 331, and pulley 35 can slide along the length direction of chute 36.
Pulley 35 is set in the lower surface of the first connector 331, can not only play the guiding role, the first connector can be reduced simultaneously
331 frictional force being subject to.
For convenience when to bolus administration of contrast agent in the patient, contrasting effects, in the present embodiment, control can be observed simultaneously
Mechanism processed is controlled in wireless mode.Specifically, controlling organization includes that remote controller 61 and the signal being connected with remote controller 61 signal connect
Receive device 62, as shown in Figure 8, remote controller 61 is provided with shift knob 611 and speed control rod 612, real by Push switch button 611
Existing remote controller 61 docks with the signal of signal receiver 62, pulls speed control rod 612, to injecting in the patient to lower section shown in Fig. 8
Contrast agent, the amplitude pulled downwards is the biggest, and it is the fastest to inject speed, upwards pulls speed control rod 612, from extracting radiography in the patient
Agent, the amplitude upwards pulled is the biggest, and the speed of extraction is the fastest；Support member 10 it is positioned at, with electronic speed regulation on signal receiver 62
Device 21 signal connects, and signal receiver 62 sends the signal received to electron speed regulator 21, and electron speed regulator 21 is according to connecing
The signal received adjusts the rotating speed of motor 22 and turns to.When to bolus administration of contrast agent in the patient, the image that can arrive according to the observation,
By the rotating speed of remote controller 61 controlled in wireless motor 22 and turning to, and then control the direction of motion and the speed of injection rod 12.
When the contrast agent injector using the embodiment of the present invention to provide, need to use power supply to provide power, if used
External power source, need to use electric wire to be connected with contrast agent injector by external power source, and therefore, the use position of contrast agent injector is easy
Limited by wire length, for convenience the use of contrast agent injector, support member 10 is provided with power sector 7.Electricity
Source mechanism 7 has the function storing electric energy with output electric energy, and electrically connects with controlling organization and drive mechanism, and power sector 7 sets
Being equipped with on and off switch, on and off switch is for controlling the opening and closing of power sector 7, when power sector 7 is opened, power sector
7 outwards export electric energy, and drive motor 22 rotates, and when power sector 7 is closed, power sector 7 stops outwards exporting electric energy, motor
22 stop operating.Support member 10 arranges power sector 7, it is not necessary to use electric wire to make contrast agent injector with external power source even
Connect, conveniently contrast agent injector is applied to various position.
Last it is noted that various embodiments above is only in order to illustrate technical scheme, it is not intended to limit；To the greatest extent
The present invention has been described in detail by pipe with reference to foregoing embodiments, it will be understood by those within the art that: it depends on
So the technical scheme described in foregoing embodiments can be modified, or the most some or all of technical characteristic is entered
Row equivalent；And these amendments or replacement, do not make the essence of appropriate technical solution depart from various embodiments of the present invention technology
The scope of scheme.
Claims (10)
1. a contrast agent injector, it is characterised in that including: support member, injection mechanism, drive mechanism, drive mechanism and control
Mechanism processed, described injection mechanism, described drive mechanism, described drive mechanism and described controlling organization are installed in described support member
On, described drive mechanism is connected with described drive mechanism, and described drive mechanism is connected with described injection mechanism, described drive mechanism
The junction of described injection mechanism is provided with pressure transducer and pressure display unit, and described pressure transducer shows with described pressure
Showing that device signal connects, described controlling organization is connected with described drive mechanism signal.
Contrast agent injector the most according to claim 1, it is characterised in that described injection mechanism is syringe, described note
Emitter includes that injection tube and injection rod, one end of described injection rod are positioned at described injection tube, the other end and described drive mechanism
Connecting, described injection rod is positioned at one end of described injection tube and is provided with piston.
Contrast agent injector the most according to claim 2, it is characterised in that described drive mechanism include electron speed regulator and
Motor, described electron speed regulator is connected with described controlling organization and described motor signal respectively, described motor and described driver
Structure connects.
Contrast agent injector the most according to claim 3, it is characterised in that described drive mechanism includes gear and tooth bar,
Described gear is connected with described motor, and described gear engages with described tooth bar, and described tooth bar is connected with described injection rod.
Contrast agent injector the most according to claim 4, it is characterised in that described drive mechanism also includes the first connector
With the second connector, described first connector is connected with described second connector and described tooth bar respectively, described second connector
Being connected with described injection rod, described pressure transducer and described pressure display unit are arranged at described injection rod and are connected with described second
The junction of part.
Contrast agent injector the most according to claim 2, it is characterised in that the opening of described injection tube is provided with and turns over
Limit, described injection tube is by described flange and described support member clamping.
Contrast agent injector the most according to claim 5, it is characterised in that described first connector is sliding with described support member
It is dynamically connected.
Contrast agent injector the most according to claim 7, it is characterised in that be provided with slide block on described support member, described
The groove coordinated with described first connector it is provided with on slide block.
Contrast agent injector the most according to claim 3, it is characterised in that described controlling organization include remote controller and with institute
Stating the signal receiver that remote controller signal connects, described signal receiver is connected with described electron speed regulator signal.
Contrast agent injector the most according to claim 1, it is characterised in that also include power sector, described power sector
Electrically connect with described controlling organization and described drive mechanism respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610765551.6A CN106237499A (en) | 2016-08-30 | 2016-08-30 | A kind of contrast agent injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610765551.6A CN106237499A (en) | 2016-08-30 | 2016-08-30 | A kind of contrast agent injector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106237499A true CN106237499A (en) | 2016-12-21 |
Family
ID=57597633
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610765551.6A Withdrawn CN106237499A (en) | 2016-08-30 | 2016-08-30 | A kind of contrast agent injector |
Country Status (1)
| Country | Link |
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| CN (1) | CN106237499A (en) |
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| CN108815642A (en) * | 2018-04-22 | 2018-11-16 | 王连生 | A kind of opacifying injection system |
| 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 |
| CN109939300A (en) * | 2019-04-24 | 2019-06-28 | 朱晨 | A kind of Invasive Technology Department contrast agent injector |
| CN110339419A (en) * | 2019-08-05 | 2019-10-18 | 重庆公共运输职业学院 | A kind of automatic antiseep high pressure injector |
| CN112843396A (en) * | 2021-01-22 | 2021-05-28 | 广州市妇女儿童医疗中心 | Transcatheter arterial infusion system and transcatheter arterial infusion method |
| CN113332572A (en) * | 2021-05-11 | 2021-09-03 | 桑德昂 | Urological department is with ware of dosing that can accurate ration |
| CN113599614A (en) * | 2021-08-24 | 2021-11-05 | 知脉(上海)机器人有限公司 | Contrast medium injection device, contrast medium injection system, readable storage medium, and electronic apparatus |
| CN118045249A (en) * | 2024-04-02 | 2024-05-17 | 蚌埠医科大学 | Remote injection device capable of providing force feedback |
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