CN111939378A

CN111939378A - High-pressure injection device and high-pressure injection system

Info

Publication number: CN111939378A
Application number: CN201910413560.2A
Authority: CN
Inventors: 张小元; 李燕
Original assignee: Nanjing Gankongtong Chemical Product Operation Portion
Current assignee: Nanjing Jusha Display Technology Co Ltd; Nanjing Jusha Medical Technology Co Ltd
Priority date: 2019-05-17
Filing date: 2019-05-17
Publication date: 2020-11-17

Abstract

The invention relates to the technical field of medical instruments, in particular to a high-pressure injection device and a high-pressure injection system. The high pressure injection device comprises: the syringe is detachably arranged on the shell, and an injection port of the syringe is connected with a transfusion tube; the needle cylinder comprises a needle cylinder body and a piston piece matched with the needle cylinder body, and the piston piece is used for extruding the injection in the needle cylinder body; the driving device is arranged in the shell, and an output shaft of the driving device is connected with the piston piece; the detection device comprises a sensor and a display device, the sensor is used for detecting the infusion state of the needle cylinder, and the display device is rotatably arranged on the shell and used for displaying and controlling the current infusion state. The high-pressure injection device and the high-pressure injection system provided by the invention can realize accurate control of injection dosage, liquid flow rate, pressure parameters, multi-stage injection and the like in the injection process, and provide more benefits for operators and patients.

Description

High-pressure injection device and high-pressure injection system

Technical Field

The invention relates to the technical field of medical instruments, in particular to a high-pressure injection device and a high-pressure injection system.

Background

In many medical diagnostic and therapeutic procedures, a doctor or other person injects a contrast media into a patient in conjunction with Computed Tomography (CT), Digital Subtraction Angiography (DSA), magnetic resonance system (MR) imaging to assist in the diagnosis of the doctor.

Contrast agents are typically delivered by manual or automatic injection devices, through veins or arteries to a detection site, and images of the desired tissue site are obtained by absorbing X-rays or changing the signal strength of the tissue in the volume under magnetic resonance, which can be displayed on a monitor and recorded. The typical manual injection consists of a contrast medium source, a physiological saline source, a syringe capable of being pushed manually and a connecting pipeline. The contrast medium or saline is manually aspirated by the operator, and then the injection is manually performed by the operator. The flow rate, pressure and injection volume of the whole injection process are influenced by the force and technology of an operator, and the pressure required by injection is higher because the fluid is thicker and the speed is required to be higher during injection; the operator often does this which results in fatigue and the pressure, flow rate cannot be precisely controlled. In addition, a typical automatic injection consists of a contrast media source, a saline source, an injection device that is electrically controlled in motion, a syringe that is connectable to the injection device, and a connecting line. An injection device with electrically controllable movement generally consists of an electric motor, a power supply system, and a control device that can modify the flow rate, the injected dose, the pressure parameters. In many systems, there is no interactive control between the operator and the power injector other than starting or stopping an injection.

Therefore, in the prior art, in typical manual injection and automatic injection processes, the injection dosage, the liquid flow rate, the pressure parameters, the multi-stage injection and the like cannot be accurately controlled, and the treatment condition of a patient cannot be effectively monitored, and the workload of medical staff is relatively heavy.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a high-pressure injection device and a high-pressure injection system, which can solve the problem that the high-pressure injection equipment in the prior art cannot be effectively and accurately monitored and controlled.

The present invention is achieved as such, a high pressure injection device comprising:

the syringe is detachably arranged on the shell, and an injection port of the syringe is connected with a transfusion tube; the needle cylinder comprises a needle cylinder body and a piston piece matched with the needle cylinder body, and the piston piece is used for extruding the injection in the needle cylinder body;

the driving device is arranged in the shell, and an output shaft of the driving device is connected with the piston piece;

the detection device comprises a sensor and a display device, the sensor is used for detecting the infusion state of the needle cylinder, and the display device is rotatably arranged on the shell and used for displaying and controlling the current infusion state.

Further, the sensor at least comprises a bubble detection sensor, and the bubble detection sensor is arranged on the infusion tube and used for detecting bubbles generated in the infusion process.

Further, the sensor still includes pressure sensor, pressure sensor sets up in the syringe barrel for detect syringe barrel internal pressure.

Further, a needle cylinder protective sleeve is arranged on the shell, and the needle cylinder is detachably arranged in the needle cylinder protective sleeve; the needle cylinder protective sheath includes cover shell and retaining member, the cover shell is hollow structure for place the needle cylinder, needle cylinder protective sheath side is equipped with the through-hole, needle cylinder injection mouth one end is passed the through-hole, the rotatable setting of retaining member is in through-hole department, with the needle cylinder compresses tightly fixedly.

Further, the retaining member includes mounting and rotating member, the mounting sets up syringe protective sheath tip, the rotating member is equipped with the bayonet socket, the bayonet socket with the cooperation of syringe needle, so that will when the rotating member is rotatory the syringe chucking.

Furthermore, a movable stop lever is arranged inside the needle cylinder protective sleeve, one end of the stop lever is in contact with the needle cylinder protective sleeve, and the needle cylinder protective sleeve is provided with a position sensor for detecting whether the stop lever is in place or not when the needle cylinder is installed on the needle cylinder protective sleeve.

Furthermore, the driving device comprises a driving screw and an output shaft, one end of the driving screw is connected with an external driving motor or a manual knob, the other end of the driving screw is in threaded fit with the output shaft, and the output shaft is connected with the piston piece.

In addition, an embodiment of the present invention further provides a high pressure injection system, including:

the device comprises a bracket, a first mounting arm and a second mounting arm, wherein the bracket is rotatably provided with the first mounting arm and the second mounting arm;

the high-pressure injection device is arranged on the first mounting arm and is used for executing an injection task;

and the near-end control device is arranged on the second mounting arm and is used for controlling and adjusting the high-pressure injection device according to the current transfusion state.

Furthermore, the support includes the first stand that is used for bearing high pressure injection device to and be used for bearing the second stand of liquid medicine, be fixed with the couple that is used for bearing the liquid medicine on the second stand, first stand with the second stand is fixed with the base of support on, but the base lower part is equipped with braking pulley.

Further, the support comprises a fixed seat and a support member formed by mutually hinging at least two extension columns, and the extension columns can be mutually extended or folded horizontally, vertically or at a fixed angle.

According to the high-pressure injection device and the high-pressure injection system, the injection detection state and the automatic control device are arranged, so that the injection dosage, the liquid flow rate, the pressure parameters, the multi-stage injection and the like can be accurately controlled in the injection process, and more benefits are provided for operators and patients.

Drawings

Fig. 1 is a schematic structural view of a high-pressure injection device provided in an embodiment of the present invention;

FIG. 2 is a schematic view of a syringe structure provided in an embodiment of the present invention;

FIG. 3 is a schematic view of a syringe protective cover mounting structure provided in an embodiment of the present invention;

FIG. 4 is a schematic structural view of a rotating member according to an embodiment of the present invention;

FIG. 5 is a schematic view of a syringe fitting configuration in a tightened state according to an embodiment of the present invention;

FIG. 6 is a schematic view of the installation of a bubble detection sensor provided in an embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a set of driving devices provided in an embodiment of the present invention;

FIG. 8a is a schematic diagram of a user interface of a first touch display screen provided in an embodiment of the present invention;

FIG. 8b is a schematic view of a pressure curve under normal vascular conditions as provided in an embodiment of the present invention;

FIG. 8c is a graph illustrating a pressure curve under a occluded state of a blood vessel in accordance with an embodiment of the present invention;

FIG. 9 is a schematic diagram of a high pressure injection system according to an embodiment of the present invention;

FIG. 10 is a schematic view of a first mounting arm according to an embodiment of the present invention;

FIG. 11 is a schematic structural view of a stent provided in an embodiment of the present invention;

FIG. 12 is a schematic structural view of another stent provided in an embodiment of the present invention;

FIG. 13 is a schematic structural view of another stent provided in an embodiment of the present invention;

FIG. 14 is a schematic structural diagram of a remote control device according to an embodiment of the present invention;

fig. 15 is a schematic diagram of a graphical interface of a second touch display screen provided in the embodiment of the present invention.

In the drawings: 1. a housing; 101. a first touch display screen; 102. an indicator light; 103. an upper housing; 104. a lower housing; 105. a manual knob; 106. a needle cylinder protective sleeve; 107. a housing; 108. a locking member; 109. a fixing member; 110. a rotating member; 111. a bayonet; 112. a position sensor; 113. a gear lever; 114. a support bar; 2. a needle cylinder; 201. a syringe barrel; 202. a piston member; 203. a piston base; 3. a transfusion tube; 4. a drive device; 401. a drive screw; 402. an output shaft; 403. a drive motor; 404. a manual knob; 405. a transmission gear; 501. a bubble detection sensor; 502. a sensor detection head; 503. a transmission line; 504. a joint; 505. a pressure sensor; 506. a feed screw nut; 6. a support; 601. a support arm mounting post; 602. placing a tray; 603. an armrest tray; 604. a bracket housing; 605. a pulley; 606. a first upright post; 607. a second upright post; 608. hooking; 609. a locking ring; 610. an opening; 611. a base; 612. a foot rest; 613. a locking buckle; 614. a fixed seat; 615. a first extended column; 616. a second extended column; 617. a third extended column; 618. a first vertical rotating shaft; 619. a first transverse rotating shaft; 620. a fourth extended column; 621. a second vertical rotating shaft; 622. a second transverse rotating shaft; 7. a high pressure injection device; 8. a proximal control device; 9. a remote control device; 901. a front cover housing; 902. a second touch display screen; 903. a power button; 904. a rear cover housing; 905. a shelf; 906. a manual switch socket; 907. a power box cable socket; 908. a brightness increase button; 909. a brightness reduction button; 910. a remote control device holder; 911. a damping support rotating shaft; 10. a power supply box; 11. a cable; 12. a first mounting arm; 121. a long arm; 122. mounting an arm shaft hole; 123. a frame flange; 124. a nylon friction ring; 125. an adjusting screw; 13. a second mounting arm.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example one

In an embodiment of the present invention, the present invention is achieved as a high pressure injection device including:

the device comprises a shell 1 and a needle cylinder 2, wherein the needle cylinder 2 is detachably arranged on the shell 1, and an injection port of the needle cylinder 2 is connected with an infusion tube 3; the syringe 2 comprises a syringe barrel 201 and a piston member 202 matched with the syringe barrel 201, wherein the piston member 202 is used for extruding the injection liquid in the syringe barrel 201;

the driving device 4, the driving device 4 is arranged in the shell 1, and the output shaft of the driving device 4 is connected with the piston member 202;

and the detection module 5, the detection device comprises a sensor and a display device, the sensor is used for detecting the transfusion state of the syringe 2, and the display device is rotatably arranged on the shell 1 and is used for displaying and controlling the current transfusion state.

As shown in fig. 1, which is a schematic structural diagram of a high pressure injection device provided in an embodiment of the present invention, a first touch display screen 101 of a display device is installed on a housing 1, and is used for receiving an operation instruction of a user and displaying a device state, so as to provide an interactive interface for the user. An indicator light 102 is used to indicate the status of the injection device. In the embodiment of the present invention, the casing 1 is divided into an upper casing 103 and a lower casing 104, and the upper casing 103 and the lower casing 104 are spliced into a complete casing, which may be connected by a bolt connection. A manual knob 105 is rotatably mounted on the side of the lower housing 104 for manually adjusting the output shaft of the driving device 4 to control the injection.

As shown in fig. 2, which is a schematic view of a syringe structure provided in an embodiment of the present invention, the syringe 1 includes a syringe barrel 201, a piston member 202 installed inside the barrel, and a piston base 203, the piston base 203 is used for connecting an output shaft of the driving device 4, and the piston base 203 is provided with a groove for receiving a sealing ring to ensure sealing performance when the piston member 202 is engaged. The syringe provided by the embodiment of the invention can be inserted in a matching way only when the lowest end of the piston base 203 is flush with the edge of the bottom edge of the opening of the syringe barrel 201, so that the matching tightness is ensured, and the leakage of injection under high pressure is avoided.

In the embodiment of the invention, the shell 1 is provided with a syringe protective sleeve 106, and the syringe 2 is detachably arranged in the syringe protective sleeve 106; the syringe protective sheath 106 includes casing 107 and retaining member 108, is hollow structure in the casing 107 for place syringe 1, and syringe protective sheath 106 side is equipped with the through-hole, and the through-hole is passed to syringe 2 injection port one end, and the rotatable setting of retaining member 108 is in through-hole department, in order to compress tightly fixedly with syringe 2.

Specifically, as shown in fig. 3, the syringe protective sheath 106 is installed in the front of the high-pressure injection device for protecting the syringe 2 inside the syringe protective sheath 106, the syringe protective sheath 106 is detachably fixed on the high-pressure injection device in a manner that the syringe protective sheath 106 is connected to the side surface of the housing 1 through the circumferential mounting support rod 114, the syringe protective sheath 106 is placed in the clamping space formed by the support rod 114, the syringe 2 is placed in the syringe protective sheath 106, and in addition, the locking member 108 for locking the syringe 2 is installed at the tail end of the support rod 114, so that the syringe 2 is prevented from being separated from the original position when high.

In the embodiment of the present invention, the locking member 108 includes a fixing member 109 and a rotating member 110, the fixing member 109 is disposed at an end of the protective cover of the cylinder, and the rotating member 110 is provided with a bayonet 111, and the bayonet 111 is engaged with the needle of the cylinder 2 so that the rotating member 110 is rotated to clamp the cylinder 2.

Specifically, as shown in fig. 4-5, fig. 4 is a schematic view of a state of a rotating member of an unthreaded syringe, and fig. 5 is a schematic view of a state of a rotating member of a tightened syringe. The rotating member 110 is hinged on one side of the fixing member 109, the rotating member 110 can rotate around a hinge point, and then the syringe 2 is pressed in the syringe protective sleeve 106, meanwhile, the contact surface of the rotating member 110 and the syringe 2 is set to be a certain variable diameter curved surface, and only when the rotating member 110 rotates to a specified position, the contact surface of the rotating member 110 and the syringe 2 can be ensured to be in close contact with each other, so that the syringe is locked.

In the embodiment of the present invention, the sensor at least includes a bubble detection sensor 501, and the bubble detection sensor 501 is disposed on the infusion tube 3 for detecting bubbles generated during the infusion process.

Specifically, as shown in fig. 6, for a schematic installation diagram of a bubble detection sensor provided in an embodiment of the present invention, a set of bubble detection sensors 501 includes a sensor detection head 502 clamped on the infusion tube 3, a transmission line 503, and a connector 504 fixed on the housing of the back cover of the injection head. When the high-pressure injection device injects liquid into a patient, the bubble detection sensor 501 monitors the liquid flow in the infusion tube in real time, if bubbles pass through the sensor monitoring position, the sensor sends a signal for monitoring the bubbles to the system, and the system performs corresponding processing so as to prevent the bubbles from damaging the patient.

In the embodiment of the present invention, the driving device 4 includes a driving screw 401 and an output shaft 402, one end of the driving screw 401 is connected to an external driving motor or a manual knob, one end is in threaded engagement with the output shaft 402, and the output shaft 402 is connected to the piston member 202.

Specifically, as shown in fig. 7, which is a schematic view of a set of driving means provided in an embodiment of the present invention, a driving means holder 4 is provided in the housing 1 for pushing or retracting the syringe piston member for the purpose of delivering liquid to a patient or sucking liquid from a liquid reservoir into the syringe. In the embodiment of the present invention, the driving device 4 includes a driving motor 403 and a manual knob 404, which may be alternatively arranged in other embodiments, and further includes a transmission gear set 405, where the transmission gear set 405 is fixedly matched with the driving screw 401, so that when the driving motor 403 or the manual knob 404 rotates, the transmission gear set 45 is driven to rotate and simultaneously drives the driving screw to rotate, and further the output shaft 402 in threaded fit with the driving screw 401 extends and retracts, and further the piston member 202 is pushed to squeeze the inner space of the syringe 2, thereby achieving the purpose of delivering liquid to a patient or sucking the syringe from the liquid reservoir.

In addition, in the embodiment of the present invention, the sensor further includes a pressure sensor 505, the pressure sensor 505 is disposed at the bearing end of the drive screw, and further transmits the force to the pressure strain gauge through the force applied to the bearing end face, so as to finally realize the detection of the external pressure. The system is used for detecting the injection pressure in the needle cylinder in real time when liquid is delivered to a patient in the working process, the detection precision is high, the reaction is sensitive, and the system adjusts the output of the actuating motor according to the feedback information of the pressure sensor so as to meet the injection scheme preset by an operator. Compared with the mode of judging the pressure in the syringe by detecting the current of the actuating motor and then calculating the torque of the motor, the mode of directly detecting the pressure in the syringe by using the pressure sensor shortens the reaction time, avoids unnecessary calculation errors and is safer and more effective.

Further, in the embodiment of the present invention, as shown in fig. 8a, a schematic diagram of a user interface of the first touch display 101 is further provided, where the user graphical interface includes:

and a state display column A for indicating the current state of the first touch display screen 101 of the high-pressure injection device, namely the active state or the standby state.

And an automatic loading button column B for setting the amount of the automatically loaded medicine or directly automatically loading the full capacity.

And the manual control push rod advancing and retreating column C is used for switching a manual knob to control the forward and backward movement of the needle cylinder piston piece and selecting two speed grades.

And a syringe status display column D for displaying the current status of the syringe, including whether the syringe is inserted in place and the current liquid volume in the syringe.

And the prompt column E is used for displaying the injection scheme content, and the injection scheme content can be input and recorded on the touch display screen.

And the time information display column F is used for displaying the current system time.

Specifically, after the high-pressure injection device completes one injection, the touch display screen can pop up a pressure curve interface, and an operator can check various injection related information including the duration of a scheme, pressure limit and peak pressure on the user interface. For example, as shown in fig. 8b, a pressure curve in a normal blood vessel state, fig. 8c, a pressure curve in a blood vessel blockage state, an abscissa of the pressure curve is a plan duration, and an ordinate of the pressure curve is a pressure value, and an operator can determine whether a target blood vessel is blocked by checking the pressure curve.

In the embodiment of the present invention, a movable stopper 113 is disposed inside the syringe protection cover 106, one end of the stopper 113 contacts with the syringe protection cover 106, and the syringe protection cover 106 is provided with a position sensor 112 for detecting whether the stopper 113 is in place when the syringe 2 is mounted on the syringe protection cover 106.

Specifically, as shown in fig. 5, the syringe protective cover includes a position sensor 112, and a positioning detection lever 113, the position sensor is disposed at one end of the lever, and the other end of the lever contacts with the syringe protective cover, and abuts against the lever when the syringe is screwed down, so that the lever presses the position sensor, and the syringe is sensed to be positioned, thereby achieving the purpose of detecting the needle being positioned.

In other embodiments of the present invention, an inclination angle sensor may be further disposed on the housing 1 to detect an angular relationship between the injection device and the ground plane, and the system collects and processes signals of the sensor, and automatically adjusts a display mode of the touch display screen to a graphical user interface that conforms to a natural viewing angle of an operator according to a current pitch angle relationship between the injection device and the ground plane, thereby solving a problem that the touch display screen is inconvenient for the operator to observe and operate when the injection machine head is injecting downward.

The high-pressure injection device provided by the invention can realize accurate control of injection dosage, liquid flow rate, pressure parameters, multi-stage injection and the like in the injection process by setting the injection detection state and the automatic control device, and provides more benefits for operators and patients.

Example two

In an embodiment of the present invention, the present invention is achieved by a high pressure injection system comprising:

the device comprises a bracket 6, wherein a first mounting arm 12 and a second mounting arm 13 are rotatably arranged on the bracket 6;

a high pressure injection device 7 mounted on the first mounting arm 12 for performing an injection task;

a near-end control device 8, the near-end control device 8 is arranged on the second mounting arm 13 and is used for controlling and adjusting the high-pressure injection device 7 according to the current transfusion state.

In the embodiment of the present invention, a remote control device 9 for remotely controlling the high pressure injection device is further included, and the remote control device, the near end control device and the touch display screen of the high pressure injection device all have the functions of displaying and controlling and are flexibly selected by an operator. As shown in fig. 9, fig. 9 is a schematic structural diagram of a high-pressure injection system in an embodiment of the present invention, in an application scenario of the embodiment of the present invention, the high-pressure injection system is divided into two parts, namely, a control room and an operation room, the operation room includes a support 6, a high-pressure injection device 7, a near-end control device 8, a power box 10 and a cable 11, the control room is isolated from the outside of the operation room, in the operation room, the power box 10 is connected to a grid power supply through the cable 11, converts an AC grid power supply into a DC power supply, supplies the DC power supply to the far-end control device 9, the high-pressure injection device 7 and the near-end control device 8 in the operation room through cables, and is responsible for communication exchange among the far-end control device 9, the near. The high pressure injection device is torsionally mounted on a first mounting arm 12, the first mounting arm 12 being pivotally mounted on the carriage 6. The proximal control means is torsionally mounted on a second mounting arm 13, the second mounting arm 13 being pivotally mounted on the bracket 6.

In the embodiment of the present invention, as shown in fig. 10, a schematic structural diagram of a first mounting arm provided by the present invention is shown. Wherein the first mounting arm 12 comprises an elongated arm 121 for supporting and mounting the high pressure injection device; a mounting arm shaft hole 122 for fixedly mounting the mounting arm 12 to the bracket 6; a frame flange 123, a nylon friction ring 124, for adjusting the rotational damping of the mounting arm 12 in cooperation with two adjustment screws 125. Specifically, the top circle axle that installation arm shaft hole 122 inserted frame flange 123, the cover has a nylon friction ring 124 on frame flange 123's circle axle, and two tacking screws 125 are installed in the outside in installation arm shaft hole 122, pierces through installation arm shaft hole 122 and the opposite vertex of nylon friction ring 124, and along with tacking screw 125's locking, the deformation crescent of nylon friction ring 124 embraces with the circle axle on frame flange 123 tightly to increase frictional resistance realizes that the damping is adjustable.

As shown in fig. 11, which is a schematic structural diagram of a bracket according to an embodiment of the present invention, specifically, the bracket 6 includes 2 supporting arm mounting posts 601 for fixing the first mounting arm 12 and the second mounting arm 13, respectively. 1 liquid reservoir holding tray 602 for holding liquid reservoirs. 1 handrail disk 603, a support shell 604 and a plurality of universal pulleys 605 with locks. The armrest disc 603 is fixed on the support housing 604, a plurality of universal pulleys 605 with locks are installed at the bottom of the support housing 604, when the pulleys 605 are unlocked, an operator can push the armrest disc 603 to freely move the position of the support, and the pulleys 605 are locked when the position of the support is reached, so that the position of the support is not changed.

In other embodiments of the present invention, the support 6 may be a telescopic structure, the support 6 includes a first column 606 for carrying the high pressure injection device 7 and a second column 607 for carrying the medical fluid, a hook 608 for carrying the medical fluid is fixed on the second column 607, the first column 606 and the second column 607 are fixed on a base 611 of the support, and a brakable pulley is arranged at a lower portion of the base.

Specifically, as shown in fig. 12, which is a schematic structural view of another stent provided in an embodiment of the present invention, the bracket also includes two locking rings 609 for securing the first post 606 and the second post 607 to each other, an opening 610 in the post, for cable routing from the power supply box to the high pressure injection device, a base 611 for securing the post, a plurality of foot supports 612 extend outwards, each foot support is provided with a universal pulley 605 with a lock, an operator can freely adjust the position of the support and lock the pulley 605 after reaching a target position, so as to ensure that the position of the upright post bracket is not changed, a liquid medicine hook bracket with adjustable height is convenient for the practical use of a user, the liquid medicine holder comprises two hooks 608 mounted on a second column 607 for hanging a liquid medicine container, wherein the second column 607 is a telescopic structure and is locked and adjusted by a locking buckle 613.

In yet another embodiment of the present invention, the support 6 may be an extendable structure, and the support includes a fixed base and a support member formed by at least two extending columns hinged to each other, and the extending columns can be extended or folded horizontally, vertically or at a fixed angle with each other.

Specifically, as shown in fig. 13, which is a schematic structural diagram of another bracket provided in an embodiment of the present invention, a fixing seat 614 of the bracket is used for fixedly mounting the bracket on the top of a room, a supporting member extends downward from the fixing seat 614, and a specific connection manner of an extending column between the supporting members may be: first extension column 615 central axis passes through on the rotatable second extension column 616 that is connected to of first joint, third extension column 617 passes through by the mobilizable central axis that is connected to second extension column 616 of the second joint that constitutes of first vertical pivot 618 and first horizontal pivot 619, fourth extension column 620 passes through the third joint that comprises second vertical pivot 621 and second horizontal pivot 622, mobilizable be connected to on the third extension column 616, the terminal fixed high pressure injection device that bears of fourth extension column 620, whole support universal removal, keep the injection aircraft nose to reach suitable position, make things convenient for operating personnel to use.

In addition, as shown in fig. 14, the remote control device 9 includes a front cover casing 901, on which a second touch display 902 is installed, the touch display being a user interface for an operator to remotely operate the high-pressure injection device 7 to perform a liquid injection procedure, and a system power button 903 for turning on and off the system power supply. Also included is a back cover housing 904, which is provided with: a manual switch shelf 905 for placing a manual switch, a manual switch socket 906 for insertion of a manual switch connector, a power box cable socket 907 for connection of power of a power box and insertion of a communication cable, a brightness increase button 908 for increasing brightness of the liquid crystal display, and a brightness decrease button 909 for decreasing brightness of the liquid crystal display. The remote control device comprises a remote control device bracket 910 fixedly arranged on the back cover shell 904, a support shell for changing the inclination angle and all parts in the shell, and a damping bracket rotating shaft 911 which allows the shell to use the rotating shaft as the axis, can freely adjust the inclination angle according to the use habit of an operator, can keep the inclination angle and provides the optimal operation visual angle for the operator.

Further, the second touch display screen 902 is formed by covering a touch screen on a liquid crystal display screen, and has functions of control and display, and an operator can set an injection scheme and query the state of the device by operating the second touch display screen 902. Specifically, in one embodiment, as shown in fig. 15, the graphical interface displayed by the second touch screen 902 includes: equipment model, injection head state, time and date, information prompt, the existing liquid capacity in the syringe, detailed parameter items of scheme setting and the like. Detect the operation of operating personnel through the touch-sensitive screen, contain: the detailed parameter setting of the injection scheme, the scheme locking, unlocking, the scheme adjusting, storing and the like, when the system detects and processes the touch input of the operator, the corresponding change information is displayed on the graphical interface of the liquid crystal display 912, and simultaneously, after the processing of the internal communication interaction system of the far-end control device, the change information is synchronized to the liquid crystal display of the high-pressure injection device and the near-end control device.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A high pressure injection device, comprising:

2. The high pressure injection device of claim 1, wherein the sensor comprises at least a bubble detection sensor disposed on the fluid line for detecting bubbles generated during fluid delivery.

3. The high pressure injection device of claim 1, wherein said sensor further comprises a pressure sensor disposed within said syringe barrel for detecting pressure within said syringe barrel.

4. The high pressure injection device of claim 1, wherein said housing is provided with a syringe protective sheath, said syringe being removably mounted within said syringe protective sheath; the needle cylinder protective sheath includes cover shell and retaining member, the cover shell is hollow structure for place the needle cylinder, needle cylinder protective sheath side is equipped with the through-hole, needle cylinder injection mouth one end is passed the through-hole, the rotatable setting of retaining member is in through-hole department, with the needle cylinder compresses tightly fixedly.

5. The high pressure injection apparatus of claim 4, wherein said locking member comprises a fixed member disposed at an end of said barrel protecting cover and a rotating member having a bayonet engaging said barrel needle such that said rotating member rotates to lock said barrel.

6. The high pressure injection device as claimed in claim 4, wherein a movable stopper is provided inside the syringe protective cover, one end of the stopper is in contact with the syringe protective cover, and the syringe protective cover is provided with a position sensor for detecting whether the stopper is in place when the syringe is mounted on the syringe protective cover.

7. The high pressure injection apparatus of claim 1, wherein said drive means comprises a drive screw having one end connected to an external drive motor or a manual knob and one end threadedly engaged with said output shaft, and an output shaft connected to said piston member.

8. A high pressure injection system, comprising:

the high pressure injection device of any of claims 1 to 7, mounted on the first mounting arm for performing an injection task;

9. The high pressure injection system of claim 8, wherein the support comprises a first column for carrying the high pressure injection device and a second column for carrying the medical fluid, the second column is fixed with a hook for carrying the medical fluid, the first column and the second column are fixed with a base of the support, and a braking pulley is arranged at the lower part of the base.

10. The system of claim 8, wherein the holder comprises a fixed base and a support member formed by at least two extending posts hinged to each other, the extending posts being capable of extending or folding horizontally, vertically or at a fixed angle to each other.