CN206342790U - A kind of contrast agent injector - Google Patents

A kind of contrast agent injector Download PDF

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Publication number
CN206342790U
CN206342790U CN201620989986.4U CN201620989986U CN206342790U CN 206342790 U CN206342790 U CN 206342790U CN 201620989986 U CN201620989986 U CN 201620989986U CN 206342790 U CN206342790 U CN 206342790U
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China
Prior art keywords
contrast agent
injection
connector
agent injector
transmission mechanism
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Expired - Fee Related
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CN201620989986.4U
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Chinese (zh)
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李雄雄
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Individual
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Individual
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Priority to CN201620989986.4U priority Critical patent/CN206342790U/en
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Abstract

The utility model provides a kind of contrast agent injector, is related to technical field of medical instruments, present in solution prior art into patient's body during bolus administration of contrast agent, it is impossible to judge the technical problem of situation in patient's body.The contrast agent injector that the utility model is provided includes:Support member, injection mechanism drive mechanism, transmission mechanism and controlling organization, injection mechanism, drive mechanism, transmission mechanism and controlling organization are installed on support member, drive mechanism is connected with transmission mechanism, transmission mechanism is connected with injection mechanism, the junction of transmission mechanism and injection mechanism is provided with pressure sensor and pressure display unit, pressure sensor is connected with pressure display unit signal, and controlling organization is connected with drive mechanism signal.The contrast agent injector that the utility model is provided is applied into patient's body during bolus administration of contrast agent, the pressure value that doctor can show according to pressure display unit, judges the situation in patient's body.

Description

A kind of contrast agent injector
Technical field
The utility model is related to technical field of medical instruments, more particularly, to a kind of contrast agent injector.
Background technology
When implementing retrograde pyelography, urethrography and cholangiography etc., need into patient's body bolus administration of contrast agent.Radiography Agent is to be injected into tissue or intraorganic chemicals for enhancing Imaging Study effect.The density of these chemicals is high In or less than surrounding tissue, it is contrasted with surrounding tissue, contrast images can be shown by some apparatuses.
At present, conventional method of injecting is doctor's internal bolus administration of contrast agent to patient under the irradiation of X-ray machine, long-term place In the environment of radioactive ray, it is clear that can damage the health of doctor, therefore, related scholar designs contrast agent injector, but makes During with such contrast agent injector, it is impossible to pressure change in real-time perception patient's body, therefore, it is impossible to control the speed injected well The amount of degree and bolus administration of contrast agent, under special circumstances using there is potential safety hazard, for example:Can not before patient's obstruction of biliary tract, radiography Distinguish, if still using mechanical thrust bolus administration of contrast agent into patient's body, total amount of liquid in biliary tract can be caused to increase and nothing Method is normally discharged, and binary passage presyure power is drastically raised, and severe patient can cause tube wall around or the damage of tissue and increase patient not Necessary pain.
Utility model content
The purpose of this utility model is to provide a kind of contrast agent injector, and it can be shown in bolus infusion processes in real time suffers from Pressure change in person's body, just can stop injecting, it is to avoid damage patient immediately before pressure rise to dangerous values.
To reach above-mentioned purpose, the utility model provides following technical scheme:
The contrast agent injector that the utility model is provided includes:Support member, injection mechanism, drive mechanism, transmission mechanism and Controlling organization, the injection mechanism, the drive mechanism, the transmission mechanism and the controlling organization are installed in the support On part, the drive mechanism is connected with the transmission mechanism, and the transmission mechanism is connected with the injection mechanism, the driver The junction of structure and the injection mechanism is provided with pressure sensor and pressure display unit, the pressure sensor and the pressure Monitor signal is connected, and the controlling organization is connected with the drive mechanism signal.
Further, the injection mechanism is syringe, and the syringe includes injection tube and injection rod, the injection rod One end be located in the injection tube, the other end is connected with the transmission mechanism, the injection rod is in the injection tube One end is provided with piston.
Further, the drive mechanism include electron speed regulator and motor, the electron speed regulator respectively with the control Mechanism processed and motor signal connection, the motor are connected with the transmission mechanism.
Further, the transmission mechanism includes gear and rack, the gear and the motor connection, the gear with The rack engagement, the rack is connected with the injection rod.
Further, the transmission mechanism also includes the first connector and the second connector, the first connector difference It is connected with second connector and the rack, second connector is connected with the injection rod, the pressure sensor The junction of the injection rod and second connector is arranged at the pressure display unit.
Further, the openend of the injection tube is provided with flange, and the injection tube passes through the flange and the branch Support member clamping.
Further, first connector is slidably connected with the support member.
Further, it is provided with sliding block, the sliding block to be provided with the support member and coordinates with first connector Groove.
Further, the controlling organization includes remote control and the signal receiver being connected with the remote controller signal, institute Signal receiver is stated to be connected with the electron speed regulator signal.
Further, in addition to power sector, the power sector respectively with the controlling organization and the drive mechanism Electrical connection.
In the contrast agent injector that the utility model is provided, support member is used to support injection mechanism, drive mechanism, transmission Mechanism and controlling organization, in the contrast agent injector provided using the utility model, are drawn into injector by contrast agent first Inside structure, controlling organization control drive mechanism makes drive mechanism drive transmission mechanism motion, transmission mechanism promotes injection mechanism, Make injection mechanism by contrast agent bolus to the internal of patient;Meanwhile, pressure sensor is measured between injection mechanism and transmission mechanism Pressure, and pressure value is shown by pressure display unit in real time, the pressure value reflects situation of the contrast agent in patient's body, For example:The pressure value of display is bigger, represent patient's body in contrast agent it is more, meanwhile, pressure value pace of change is faster, represent to The speed injected in patient's body is faster, when pressure value pace of change is too fast, by controlling organization drive mechanism can be controlled to adjust Speed is injected, when just can stopping injecting before pressure rise to dangerous values immediately.
Compared with existing contrast agent injector, the contrast agent injector that the utility model is provided is in injection mechanism and transmission The junction of mechanism is provided with pressure sensor, and can show that injection mechanism is with passing in bolus infusion processes in real time by pressure display unit Pressure change between motivation structure, can be controlled, it is to avoid right according to the pressure value shown in real time to the speed and time injected Patient damages.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art The accompanying drawing used required in embodiment or description of the prior art is briefly described, it should be apparent that, describe below In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.
The structural representation for the contrast agent injector that Fig. 1 provides for the utility model embodiment;
Support member internal structure schematic diagram in the contrast agent injector that Fig. 2 provides for the utility model embodiment;
The structural representation of the second connector in the contrast agent injector that Fig. 3 provides for the utility model embodiment;
The connection diagram of injection tube and support member in the contrast agent injector that Fig. 4 provides for the utility model embodiment One;
The connection diagram of injection tube and support member in the contrast agent injector that Fig. 5 provides for the utility model embodiment Two;
The connection signal of the first connector and sliding block in the contrast agent injector that Fig. 6 provides for the utility model embodiment Figure;
The connection of the first connector and support member in the contrast agent injector that Fig. 7 provides for the utility model embodiment is shown It is intended to;
The structural representation of remote control in the contrast agent injector that Fig. 8 provides for the utility model embodiment.
Reference:
10- support members;101- shutters;11- injection tubes;
The flange of 111- first;12- injection rods;The flange of 121- second;
21- electron speed regulators;22- motors;31- gears;
32- racks;The connectors of 331- first;The connectors of 332- second;
34- sliding blocks;35- pulleys;36- chutes;
4- pressure sensors;5- pressure display units;61- remote controls;
611- shift knobs;612- speed control rods;62- signal receivers;
7- power sectors.
Embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described Embodiment is a part of embodiment of the utility model, rather than whole embodiments.Based on the embodiment in the utility model, sheet The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to this practicality Novel protected scope.
, it is necessary to explanation in description of the present utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular Directly ", the orientation or position relationship of the instruction such as " level ", " interior ", " outer " are, based on orientation shown in the drawings or position relationship, to be only Described for the ease of description the utility model and simplifying, rather than to indicate or imply that signified device or element must have specific Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In addition, term " the One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that indicating or implying relative importance.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly Connection;Can be mechanical connection or electrical connection;Can be joined directly together, can also be indirectly connected to by intermediary, It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition Concrete meaning of the language in the utility model.
The structural representation for the contrast agent injector that Fig. 1 provides for the utility model embodiment, as shown in figure 1, this practicality The contrast agent injector that new embodiment is provided includes:Support member 10, injection mechanism, drive mechanism, transmission mechanism and control machine Structure, injection mechanism, drive mechanism, transmission mechanism and controlling organization are installed on support member 10, drive mechanism and transmission mechanism Connection, transmission mechanism is connected with injection mechanism, and the junction of transmission mechanism and injection mechanism is provided with pressure sensor 4 and pressure Display 5, pressure sensor 4 is connected with the signal of pressure display unit 5, and controlling organization is connected with drive mechanism signal.
In the contrast agent injector that the utility model embodiment is provided, support member 10 is body structure, drive mechanism, biography Motivation structure and controlling organization are respectively positioned in the cavity of support member 10, and injection mechanism is located at the outside of support member 10, transmission mechanism one The inside that part is located at support member 10 is connected with drive mechanism, another part is located at the outside of support member 10 and is connected with injection mechanism Connect;Drive mechanism is connected with transmission mechanism, for producing the power injected;Controlling organization is connected with drive mechanism signal, control Mechanism is used to control drive mechanism, and the control to injecting speed and time is realized indirectly.
In the contrast agent injector provided using the utility model embodiment, contrast agent is drawn into injection mechanism first Inside, controlling organization control drive mechanism, makes drive mechanism drive transmission mechanism motion, and transmission mechanism promotes injection mechanism, made Injection mechanism is by contrast agent bolus to the internal of patient;Meanwhile, pressure sensor 4 is measured between injection mechanism and transmission mechanism Pressure, and pressure value is shown by pressure display unit 5 in real time, the pressure value reflects feelings of the contrast agent in patient's body Condition, for example:The pressure value of display is bigger, represents that the contrast agent in patient's body is more, meanwhile, pressure value pace of change is faster, table Show that the speed injected into patient's body is faster, when pressure value pace of change is too fast, drive mechanism can be controlled by controlling organization Speed is injected in adjustment, when just can stopping injecting before pressure rise to dangerous values immediately.
Compared with existing contrast agent injector, the contrast agent injector that the utility model embodiment is provided is in injection mechanism The junction of transmission mechanism is provided with pressure sensor 4, and can be by being injected in pressure display unit 5 in real time display bolus infusion processes Pressure change between mechanism and transmission mechanism, can be controlled according to the pressure value shown in real time to the speed and time injected System, it is to avoid damaged to patient.
Above-mentioned injection mechanism is used to extract contrast agent, and by contrast agent bolus to patient's body.In the present embodiment, inject Mechanism is syringe, and syringe includes injection tube 11 and injection rod 12, and one end of injection rod 12 is located in injection tube 11, injection rod 12 one end being located at outside injection tube 11 is connected with transmission mechanism, and one end that injection rod 12 is located in injection tube 11 is provided with work Plug, piston can be made up of rubber, and when cylinder is in the inner chamber of injection tube 11, piston is cylinder, 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 is moved in injection tube 11, sends out the pressure in injection tube 11 Changing, the need for disclosure satisfy that injection mechanism is extracted with bolus administration of contrast agent.In bolus administration of contrast agent, first contrast agent is extracted Into injection tube 11, the power of drive mechanism is passed to injection rod 12 by transmission mechanism, promotes injection rod 12 into injection tube 11 Motion, the pressure for making pressure in injection tube 11 be more than in patient's body, and then by the contrast agent bolus in injection tube 11 to patient In vivo.It is syringe to make injection mechanism, simple in construction, and easily operation is injected in realization.
In order to meet it is different inject speed the need for, drive mechanism includes electron speed regulator 21 and motor 22, and electronics is adjusted Fast device 21 is used for the rotating speed for adjusting motor 22, and motor 22 is used to produce the power injected, specifically, as shown in Fig. 2 electronic speed regulation Device 21 is located between controlling organization and motor 22, and is connected respectively with controlling organization and the signal of motor 22, motor 22 and driver Structure is connected.During the bolus administration of contrast agent into patient's body, controlled according to the pace of change of the pressure of the display of pressure display unit 5 System injects speed, when the pace of change of pressure is fast, and the signal that speed is injected in reduction, controlling organization can be sent by controlling organization Signal is passed into electron speed regulator 21, 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, the signal for improving and injecting speed can be sent by controlling organization, signal is transmitted electron 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 set to include electronic speed regulation Device 21 and motor 22, while realizing the bolus administration of contrast agent into patient's body, can also realize the adjustment to injecting speed, meet different Inject speed the need for.
During being scanned to patient, when there is white portion in the image scanned, the white portion can Can be the image that calculus or air in patient's body are formed, in order to confirm imaging reason, it is necessary to the back and forth movement of injection rod 12, Contrast agent is injected and extracted repeatedly, contrast agent is flowed in patient's body, if the shape of white portion changes, this is white Color region be by air into picture, if the white portion does not change, the white portion be by patient's calculi in vivo into Picture.
The power that above-mentioned transmission mechanism is used to produce drive mechanism passes to injection rod 12, in the present embodiment, transmission Mechanism includes gear 31 and rack 32, and gear 31 is connected with the motor 22 in drive mechanism, and rack 32 can be located at the upper of gear 31 Side or lower section are simultaneously engaged with gear 31, and one end of rack 32 is connected with injection rod 12, the direction of motion and syringe of rack 32 Length direction it is identical.In the bolus administration of contrast agent into patient's body, the side counterclockwise of controlling organization controlled motor 22 as shown in Figure 1 To rotation, gear 31 is engaged with rack 32, rack 32 is moved to left side as shown in Figure 1, and then drives injection rod 12 to the left Motion, injection rod 12 is by the contrast agent bolus in injection tube 11 to patient's body;When needing to extract contrast agent out of patient body, make Being rotated clockwise as shown in Figure 1 of motor 22, gear 31 is engaged with rack 32, makes right side fortune of the rack 32 shown in Fig. 1 It is dynamic, and then drive injection rod 12 to move right, extract the contrast agent in patient's body.Transmission mechanism is set to include gear 31 and rack 32, the power of motor 22 can be transmitted to injection rod 12, injection rod 12 is done back and forth movement, realize injecting and taking out to contrast agent Take.
Further, may also include in transmission mechanism the first connector 331 for connecting rack 32 and injection rod 12 and Second connector 332, as shown in figure 3, the first connector 331 is located at the top of rack 32 and is connected with rack 32;First connection Part 331 can be connected with rack 32 by way of welding, clamping or threaded connection, specifically, when rack 32 is connected with first When part 331 is connected by way of clamping, groove can be set in the lower surface of the first connector 331, the width of groove is slightly less than The width of rack 32, rack 32 is connected by groove with the first connector 331, also, when the width of gear 31 is more than rack 32 Width when, the tooth root of rack 32 is higher by the lower surface of the first connector 331;When the width of gear 31 is less than the width of rack 32 When, the tooth root of rack 32 can be located in the groove of the first connector 331, to prevent the output shaft of motor 22 from touching the first connection The lower surface of part 331, makes the depth of groove be less than the radius of gear 31;When rack 32 is connected with the first connector 331 by screw thread When the mode connect is connected, the first connector 331 is provided with through hole with the same position of rack 32, the through hole for passing through bolt, bolt Coordinate the connection for realizing the connector 331 of rack 32 and first with nut.Second connector 332 is located 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, in square plate In two relative sides, a side is connected with the right-angle side of a set square, the right angle of another side and another set square Side is connected, and another right-angle side of two set squares is connected with the first connector 331, and the end face of square plate is connected with injection rod 12, And pressure sensor 4 and pressure display unit 5 are arranged at the junction of the second connector 332 and injection rod 12;As another Embodiment, connector can only include the second connector 332, and the lower end of the second connector 332 can be by being bonded or welding The mode right-hand member as shown in Figure 1 with rack 32 is connected.In the bolus administration of contrast agent into patient's body, controlling organization controlled motor 22 is pressed Counterclockwise rotates shown in Fig. 1, gear 31 is engaged with rack 32, rack 32 is moved to left side as shown in Figure 1, and then The first connector 331 and the second connector 332 are driven to left movement, the second connector 332 promotes injection rod 12 to left movement, note Bar 12 is penetrated by the contrast agent bolus in injection tube 11 to patient's body;When needing to extract contrast agent out of patient body, make motor 22 Being rotated clockwise as shown in Figure 1, gear 31 is engaged with rack 32, moves right side of the rack 32 shown in Fig. 1, and then The first connector 331 and the second connector 332 is driven to move right, the second connector 332 pulls injection rod 12 to move right, and takes out Take the contrast agent in patient's body.Rack 32 drives the first connector 331 and the back and forth movement of the second connector 332, due to the second company Fitting 332 is connected with injection rod 12, therefore the back and forth movement under the drive of the second connector 332 of injection rod 12, realizes to radiography Agent being injected and extracts.
As another kind of drive, transmission 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 is set in silk On thick stick, and it is 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 drive leading screw rotate, nut can along leading screw length direction back and forth movement, and then drive the He of the second connector 332 The back and forth movement of injection rod 12, realizes injecting and extracting for contrast agent.
In order to drive injection tube 11 to move when preventing that injection rod 12 from moving, and conveniently by injection tube 11 from support member 10 Remove, it is preferable that injection tube 11 and the clamping of support member 10.Specifically, the periphery setting of the right-hand member as shown in Figure 1 of injection tube 11 There is a circle flange, in the present embodiment referred to as the first flange 111, the external diameter of the first flange 111 is more than the external diameter of injection tube 11, such as Shown in Fig. 4, the side after the combination of the flange 111 of injection tube 11 and first is T-shaped, meanwhile, it is provided with the upper surface of support member 10 The T-slot coordinated with the flange 111 of injection tube 11 and first, to ensure the proper motion of injection rod 12, the 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 equal position in bottom of the bottom of injection tube 11 and the first flange 111 In in T-slot, the movement of injection tube 11 is limited by limiting the movement of the first flange 111.Radiography is being injected into patient's body During agent, injection rod 12 is to left movement, because having friction between the piston and the inwall of injection tube 11 on the left end of injection rod 12, injection Bar 12 will drive injection tube 11 to left movement, and two end faces of two relative inwalls of T-slot respectively with the first flange 111 connect Touch, so as to prevent injection tube 11 to left movement, make to produce relative motion between injection rod 12 and injection tube 11, by injection tube 11 Contrast agent bolus in patient's body;When extracting contrast agent out of patient body, injection rod 12 is moved right, the inwall of T-slot Prevent injection tube 11 from moving right, make to produce relative motion between injection rod 12 and injection tube 11, by the contrast agent in patient's body It is drawn into injection tube 11;When need to injection tube 11 be removed from support member 10, injection tube 11 is set to move upward, by injection tube 11 remove from support member 10.Make injection tube 11 and the clamping of support member 10, i.e., can prevent injection rod 12 from driving injection tube 11 to transport It is dynamic, easily injection tube 11 can be removed from support member 10 again.
To prevent injection tube 11 from moving along the radial, it is preferable that two shutters can be set in the upper end of support member 10 101, as shown in figure 5, two shutters 101 are located at the both sides of injection tube 11 respectively, for preventing injection tube 11 from radially moving It is dynamic;In addition, being also provided with the first flange on the groove coordinated with the first flange 111, injection tube 11 on two pieces of shutters 101 In 111 insertion grooves, groove left inside wall as shown in Figure 5 and right inwall can prevent injection tube 11 from moving along its length.
Further, T-slot and two shutters 101 can be simultaneously set on support member 10, to prevent the edge of injection tube 11 Its length direction and move radially.
Injection rod 12 is removed from connector for convenience, it is preferable that the clamping of 12 and second connector of injection rod 332. 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 it is vertical with the end face of the second flange 121.Buckling groove is provided with the left surface of the second connector 332, preferably Ground, as 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 Opening at width be slightly larger than the diameter of injection rod 12, less than the diameter of the second flange 121, the bottom of T-slot it is wide bigger In the diameter of the second flange 121, the second flange 121 is located at the bottom of T-slot.When needing to remove syringe, make syringe along T-shaped The length direction movement of groove, it is convenient to take out injection rod 12 from the upper end of the second connector 332.
In order to increase the stability in connector motion process, connector is set to be slidably connected with support member 10.Support member 10 For body structure, the first connector 331 is located inside support member 10, and is slided with the upper surface inside support member 10 or lower surface Dynamic connection.
Specifically, when rack 32 is located at 31 top of gear, sliding block 34 can be set in the upper surface inside support member 10, it is sliding The quantity of block 34 is two, and length direction of two sliding blocks 34 along the first connector 331 is set, and two sliding blocks 34 pass through screw thread The mode of connection is connected with support member 10;As shown in fig. 6, the end face of the first connector 331 is I-shaped, on two sliding blocks 34 The groove coordinated with the first connector 331 is provided with, groove is T-slot.To the left or moved right in the first connector 331 When, the first connector 331 is slided along groove, prevents the first connector 331 from being moved along its width, its motion is more put down Surely, and then make the motion of injection rod 12 more steady.
When rack 32 is located at the lower section of gear 31, the first connector 331 is located at the lower section of rack 32, can be in the first connection The lower surface of part 331 sets pulley 35, as shown in fig. 7, the quantity of pulley 35 can be two, and two pulleys 35 are along the first connector 331 width is set, and two chutes 36 coordinated with pulley 35, two cunnings are provided with the inner bottom surface of support member 10 The length direction of groove 36 is identical with the length direction of the first connector 331, and pulley 35 can be slided along the length direction of chute 36. Pulley 35 is set in the lower surface of the first connector 331, can not only be play the guiding role, while the first connector can be reduced 331 frictional force being subject to.
For convenience in the bolus administration of contrast agent into patient's body, while contrasting effects can be observed, in the present embodiment, control Mechanism processed is controlled in wireless mode.Specifically, controlling organization includes remote control 61 and connect with the signal that the signal of remote control 61 is connected Device 62 is received, as shown in figure 8, shift knob 611 and speed control rod 612 are provided with remote control 61, it is real by pressing shift knob 611 Existing remote control 61 is docked with the signal of signal receiver 62, is pulled speed control rod 612 to lower section shown in Fig. 8, is injected into patient's body Contrast agent, the amplitude pulled downwards is bigger, and it is faster to inject speed, and speed control rod 612 is pulled upwards, radiography is extracted out of patient body Agent, the amplitude pulled upwards is bigger, and the speed of extraction is faster;It is located on signal receiver 62 in support member 10, with electronic speed regulation The signal of device 21 is connected, and signal receiver 62 sends the signal received to electron speed regulator 21, and electron speed regulator 21 is according to connecing The rotating speed of the signal adjustment motor 22 received and steering.In the bolus administration of contrast agent into patient's body, the image that can be arrived according to the observation, Rotating speed and steering by the controlled in wireless motor 22 of remote control 61, and then control the direction of motion and speed of injection rod 12.
In the contrast agent injector provided using the utility model embodiment, it is necessary to provide power using power supply, if Using external power source, electric wire need to be used to be connected external power source with contrast agent injector, therefore, the use position of contrast agent injector The limitation for being vulnerable to wire length is put, for convenience the use of contrast agent injector, power sector is provided with support member 10 7.Power sector 7 has the function of storage electric energy and output electric energy, and is electrically connected with controlling organization and drive mechanism, power sector 7 are provided with power switch, and power switch is used for the opening and closing for controlling power sector 7, when power sector 7 is opened, power supply Mechanism 7 outwards exports electric energy, and drive motor 22 is rotated, when power sector 7 is closed, and power sector 7 stops outwards exporting electric energy, Motor 22 stops operating.Power sector 7 is set on support member 10, makes contrast agent injector and external power source without using electric wire Connection, it is convenient that contrast agent injector is applied to various positions.
Finally it should be noted that:Various embodiments above is only limited to illustrate the technical solution of the utility model, rather than to it System;Although the utility model is described in detail with reference to foregoing embodiments, one of ordinary skill in the art should Understand:It can still modify to the technical scheme described in foregoing embodiments, or to which part or whole Technical characteristic carries out equivalent substitution;And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly The scope of each embodiment technical scheme of type.

Claims (10)

1. a kind of contrast agent injector, it is characterised in that including:Support member, injection mechanism, drive mechanism, transmission mechanism and control Mechanism processed, the injection mechanism, the drive mechanism, the transmission mechanism and the controlling organization are installed in the support member On, the drive mechanism is connected with the transmission mechanism, and the transmission mechanism is connected with the injection mechanism, the transmission mechanism The junction of the injection mechanism is provided with pressure sensor and pressure display unit, the pressure sensor shows with the pressure Show that device signal is connected, the controlling organization is connected with the drive mechanism signal.
2. contrast agent injector according to claim 1, it is characterised in that the injection mechanism is syringe, the note Emitter includes injection tube and injection rod, and one end of the injection rod is located at the interior injection tube, the other end and the transmission mechanism Connection, one end that the injection rod is located in the injection tube is provided with piston.
3. contrast agent injector according to claim 2, it is characterised in that the drive mechanism include electron speed regulator and Motor, the electron speed regulator is connected with the controlling organization and the motor signal respectively, the motor and the driver Structure is connected.
4. contrast agent injector according to claim 3, it is characterised in that the transmission mechanism includes gear and rack, The gear and the motor connection, the gear are engaged with the rack, and the rack is connected with the injection rod.
5. contrast agent injector according to claim 4, it is characterised in that the transmission mechanism also includes the first connector With the second connector, first connector is connected with second connector and the rack respectively, second connector It is connected with the injection rod, the pressure sensor and the pressure display unit are arranged at the injection rod and be connected with described second The junction of part.
6. contrast agent injector according to claim 2, it is characterised in that the openend of the injection tube, which is provided with, to be turned over Side, the injection tube passes through the flange and the support member clamping.
7. contrast agent injector according to claim 5, it is characterised in that first connector is slided with the support member Dynamic connection.
8. contrast agent injector according to claim 7, it is characterised in that sliding block is provided with the support member, described The groove coordinated with first connector is provided with sliding block.
9. contrast agent injector according to claim 3, it is characterised in that the controlling organization include remote control and with institute The signal receiver of remote controller signal connection is stated, the signal receiver is connected with the electron speed regulator signal.
10. contrast agent injector according to claim 1, it is characterised in that also including power sector, the power sector Electrically connected respectively with the controlling organization and the drive mechanism.
CN201620989986.4U 2016-08-30 2016-08-30 A kind of contrast agent injector Expired - Fee Related CN206342790U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106237499A (en) * 2016-08-30 2016-12-21 李雄雄 A kind of contrast agent injector
CN107414818A (en) * 2017-09-21 2017-12-01 德清新亚塑业有限公司 A kind of suction plastic packing machine rewinding robot arm 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
CN111588972A (en) * 2020-05-19 2020-08-28 徐志涛 Hand-held type that paediatrics was used spouts medicine device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106237499A (en) * 2016-08-30 2016-12-21 李雄雄 A kind of contrast agent injector
CN107414818A (en) * 2017-09-21 2017-12-01 德清新亚塑业有限公司 A kind of suction plastic packing machine rewinding robot arm 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
CN109718412B (en) * 2019-02-25 2021-04-23 南通市中医院 Through T pipe biliary tract contrast medium injection device
CN111588972A (en) * 2020-05-19 2020-08-28 徐志涛 Hand-held type that paediatrics was used spouts medicine device

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