CN207640752U - A kind of motor-driven heart contrast medium injection deivice - Google Patents
A kind of motor-driven heart contrast medium injection deivice Download PDFInfo
- Publication number
- CN207640752U CN207640752U CN201720537356.8U CN201720537356U CN207640752U CN 207640752 U CN207640752 U CN 207640752U CN 201720537356 U CN201720537356 U CN 201720537356U CN 207640752 U CN207640752 U CN 207640752U
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- Prior art keywords
- injection
- fixed
- injection tube
- motor
- piston
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Abstract
The utility model discloses a kind of motor-driven heart contrast medium injection deivices, including injection tube, piston is equipped in the injection tube, the rear portion of the piston is fixed with a piston rod, the piston rod is stretched out in from the rear end of injection tube except injection tube, the left and right ends of the top surface of the injection tube are respectively fixed with left socle and right support, a slide bar is fixedly connected between the left socle and right support, the top surface of the injection tube is equipped with sliding rail, the stepper motor is socketed on sliding rail and matches with sliding rail, the stepper motor is equipped with main shaft, the end of the piston rod is fixed with a upright bar, it is fixed with connecting rod in the upright bar, it is fixed on the connecting rod that there are one bearing fixed blocks, rolling bearing there are one being set in the bearing fixed block, the rolling bearing is socketed on bearing groove.The utility model obtain advantageous effect be：(1) simple in structure；(2) high degree of automation；(3) operation is very easy.
Description
Technical field
The utility model is related to a kind of Cardiological medical instrument, especially a kind of heart contrast medium injection deivice.
Background technology
Heart radiography is that a kind of routine inspection method of angiocardiopathy needs to use before carrying out heart contrast examination
Syringe injects contrast agent in the blood vessel of patient, and still, since the viscosity of contrast agent is larger, thus medical staff is pushing note
It is relatively elaborate when the piston rod of emitter, and be difficult to injecting contrast agent at the uniform velocity, so that contrast agent is difficult to uniformly point
It is distributed in blood vessel, thus contrasting effects can be influenced, and finally influence the accuracy of heart contrast examination.
Invention content
Problem to be solved in the utility model is：Offer one kind is simple in structure, speed governing is convenient, high degree of automation and energy are real
The motor-driven heart contrast medium injection deivice being now uniformly injected into.
To solve the above-mentioned problems, the motor-driven heart contrast medium injection deivice of the utility model, including injection tube,
It is equipped with piston in the injection tube, the rear portion of the piston is fixed with a piston rod, and the piston rod is from the rear end of injection tube
It stretches out in except injection tube, injection interface is fixed on the front end face of the injection tube, one is connected on the injection interface
The end of injection-tube, the injection-tube is connected with an injection needle, and the left and right ends of the top surface of the injection tube are respectively fixed with
Left socle and right support are fixedly connected with a slide bar, are set on the top surface of the injection tube between the left socle and right support
There is sliding rail, the sliding rail is parallel with slide bar, further includes a stepper motor and the controller for controlling stepper motor, described
The top of stepper motor is fixed there are one lantern ring, and the lantern ring is socketed on slide bar, and the stepper motor is socketed on sliding rail
And match with sliding rail, the stepper motor is equipped with main shaft, is fixed with a leading screw on the main shaft, in the right support
It is fixed at the heart there are one nut, the leading screw stretches out after being inserted in nut from nut, and the leading screw matches with nut, described
The end of piston rod is fixed with a upright bar, and connecting rod is fixed in the upright bar, fixes on the connecting rod and is fixed there are one bearing
Block is set in the bearing fixed block there are one rolling bearing, and the end of the leading screw is equipped with bearing groove, the rolling bearing socket
In on bearing groove, the stepper motor is equipped with terminal box, passes through power cord box data line between the terminal box and controller
It is connected, the controller, which is equipped with, rotates forward button, reversion button, switch button and speed governing knob.
In order to improve the sealing performance between piston and injection tube, the motor-driven heart contrast agent note of the utility model
Injection device is socketed with a circle sealing ring on the periphery of the piston.
In order to realize the firm connection between leading screw and main shaft, the motor-driven heart contrast agent injection of the utility model
Device is fixedly connected between the leading screw and main shaft by shaft coupling.
In order to enable piston cylinder smoothly to move, avoid being biased in the process of moving, the motor of the utility model
Drive-type heart contrast medium injection deivice, is fixed with front handlebar and rear handle on the injection tube, it is described after handle be equipped with and lead
Xiang Kong, the piston rod are inserted in pilot hole.
The utility model obtain advantageous effect be：(1) simple in structure；(2) when needs are made to the intravascular injection of patient
When shadow agent, injection needle is inserted in the intravascular of patient by medical staff first, then presses the switch button on controller
With reversion button, the main shaft on stepper motor begins to rotate backward, and main shaft can also drive leading screw anti-while rotating backward
Turn, and leading screw is during reversion, since leading screw matches with nut, thus will drive stepper motor, main shaft, leading screw,
Connecting rod, upright bar, piston rod and piston are moved to the left, and stepper motor is during being moved to the left, due to lantern ring and slide bar phase
To match, stepper motor matches with sliding rail, so, stepper motor will mutually be moved left along slide bar with sliding rail, and piston rod is to the left
In mobile process, then piston and sealing ring can be pushed to be moved to the left, to by the contrast agent in injection tube by injection-tube and
Injection needle injects in the blood vessel of patient, will not change after being set due to the rotating speed of stepper motor, the mobile speed of piston
Degree is constant speed, so compared with existing contrast agent injection system, the motor-driven heart contrast agent of the utility model is injected
The injection rate of device, injection is definite value, thus uniformly can be injected contrast agent in the blood vessel of patient, so that it is guaranteed that well
Contrasting effects, it is ensured that the accuracy of heart contrast examination；Similarly, it when needing contrast agent sucking injection tube, presses
Switch button and rotating forward button, under the drive of stepper motor, piston will move right, to which contrast agent is sucked injection tube
In, thus high degree of automation；(3) by rotating speed governing knob, you can the rotating speed for changing stepper motor main shaft is made to change
The injection rate of shadow agent, achievees the purpose that speed governing, operates very convenient；(4) to be socketed with a circle on the periphery of piston close
Seal, thus the sealing performance between piston and injection tube can be improved, avoid contrast agent from being oozed out through piston；(5) leading screw and master
It is fixedly connected, thus can be linked together leading screw and main shaft are firm by shaft coupling between axis；(6) it is fixed on injection tube
Front handlebar and rear handle, rear handle are equipped with pilot hole, and piston rod is inserted in pilot hole, thus it is whole to hold with a firm grip convenient for medical worker
A device, simultaneously as the guiding role of pilot hole, moreover it is possible to piston rod be avoided to be biased to when mobile.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
In figure：1, injection tube, 2, piston, 3, sealing ring, 4, front handlebar, 5, injection interface, 6, injection needle,
7, injection-tube, 8, left socle, 9, slide bar, 10, lantern ring, 11, main shaft, 12, shaft coupling, 13, leading screw,
14, right support, 15, nut, 16, bearing fixed block, 17, rolling bearing, 18, connecting rod, 19, rear handle,
20, controller, 21, adjusting knob, 22, switch button, 23, rotate forward button, 24, reversion button,
25, piston rod, 26, upright bar, 27, stepper motor, 28, sliding rail.
Specific implementation mode
As shown in Figure 1, this motor-driven heart contrast medium injection deivice, including injection tube 1, set in the injection tube 1
There are piston 2, the rear portion of the piston 2 to be fixed with a piston rod 25, the piston rod 25 stretches out in note from the rear end of injection tube 1
Except shooting cylinder 1, it is fixed with injection interface 5 on the front end face of the injection tube 1, an injection is connected on the injection interface 5
The end of pipe 7, the injection-tube 7 is connected with an injection needle 6, and the left and right ends of the top surface of the injection tube 1 are respectively fixed with
Left socle 8 and right support 14 are fixedly connected with a slide bar 9 between the left socle 8 and right support 14, the injection tube 1
Top surface is equipped with sliding rail 28, and the sliding rail 28 is parallel with slide bar 9, further includes a stepper motor 27 and electric for controlling stepping
The top of the controller 20 of machine 27, the stepper motor 27 is fixed there are one lantern ring 10, and the lantern ring 10 is socketed on slide bar 9,
The stepper motor 27 is socketed on sliding rail 28 and matches with sliding rail 28, and the stepper motor 27 is equipped with main shaft 11, institute
It states and is fixed with a leading screw 13 on main shaft 11, fixed at the center of the right support 14 there are one nut 15, the leading screw 13 is inserted
It is stretched out from nut 15 after entering nut 15, the leading screw 13 matches with nut 15, and the end of the piston rod 25 is fixed with
A piece upright bar 26, is fixed with connecting rod 18 in the upright bar 26, and fixed on the connecting rod 18 there are one bearing fixed block 16, the axis
It holds and is set in fixed block 16 there are one rolling bearing 17, the end of the leading screw 13 is equipped with bearing groove, and the rolling bearing 17 is socketed
In on bearing groove, the stepper motor 27 is equipped with terminal box, passes through power cord box number between the terminal box and controller 20
It is connected according to line, the controller 20, which is equipped with, rotates forward button 23, reversion button 24, switch button 22 and speed governing knob 21；It is described
A circle sealing ring 3 is socketed on the periphery of piston 2；It is fixedly connected by shaft coupling 12 between the leading screw 13 and main shaft 11；
Front handlebar 4 and rear handle 19 are fixed on the injection tube 1, the rear handle 19 is equipped with pilot hole, and the piston rod 25 is inserted
Enter in pilot hole.
This motor-driven heart contrast medium injection deivice, it is simple in structure, when need to patient intravascular injection radiography
When agent, injection needle 6 is inserted in the intravascular of patient by medical staff first, then presses the switch button on controller 20
22 and reversion button 24, the main shaft 11 on stepper motor 27 begin to rotate backward, main shaft 11 can also while rotating backward
Leading screw 13 is driven to invert, and leading screw 13 since leading screw 13 matches with nut 15, thus will drive step during reversion
Stepper motor 27, main shaft 11, leading screw 13, connecting rod 18, upright bar 26, piston rod 25 and piston 2 are moved to the left, and stepper motor 27 is to the left
In mobile process, since lantern ring 10 and slide bar 9 match, stepper motor 27 matches with sliding rail 28, so, stepper motor 27
It will mutually be moved left with sliding rail 28 along slide bar 9, and piston rod 25 can then push piston 2 and sealing during being moved to the left
Circle 3 is moved to the left, to which the contrast agent in injection tube 1 be injected by injection-tube 7 and injection needle 6 in the blood vessel of patient, due to
The rotating speed of stepper motor 27 will not change after being set, and the movement speed of piston 2 is constant speed, so with existing radiography
Agent injection system is compared, and the motor-driven heart contrast medium injection deivice of the utility model, the injection rate of injection is fixed
Value, thus uniformly can inject contrast agent in the blood vessel of patient, so that it is guaranteed that good contrasting effects, it is ensured that heart radiography is examined
The accuracy looked into；Similarly, it when needing contrast agent sucking injection tube 1, presses switch button 22 and rotates forward button 23,
Under the drive of stepper motor 27, piston 2 will move right, to which contrast agent be sucked in injection tube 1, thus the degree of automation
It is high.
This motor-driven heart contrast medium injection deivice, by rotating speed governing knob 21, you can change stepper motor 27
The rotating speed of main shaft 11 achieve the purpose that speed governing to change the injection rate of contrast agent, operate very convenient.
It is socketed with a circle sealing ring 3 on the periphery of piston 2, thus the leakproofness between piston 2 and injection tube 1 can be improved
Can, avoid contrast agent from being oozed out through piston.
It is fixedly connected by shaft coupling 12 between leading screw 13 and main shaft 11, thus can be by the firm company of leading screw 13 and main shaft 11
It is connected together.
Front handlebar 4 and rear handle 19 are fixed on injection tube 1, rear handle 19 is equipped with pilot hole, and piston rod 25 is inserted in
It in pilot hole, thus holds with a firm grip whole device convenient for medical worker, simultaneously as the guiding role of pilot hole, moreover it is possible to avoid piston
Bar 25 is biased to when mobile.
Claims (4)
1. a kind of motor-driven heart contrast medium injection deivice, it is characterised in that：Including injection tube (1), the injection tube (1)
Interior to be equipped with piston (2), the rear portion of the piston (2) is fixed with a piston rod (25), and the piston rod (25) is from injection tube (1)
Rear end stretch out in except injection tube (1), injection interface (5) is fixed on the front end face of the injection tube (1), the injection connects
It is connected with an injection-tube (7) on mouth (5), the end of the injection-tube (7) is connected with an injection needle (6), the injection tube
(1) left and right ends of top surface are respectively fixed with left socle (8) and right support (14), the left socle (8) and right support (14)
Between be fixedly connected with a slide bar (9), the top surface of the injection tube (1) is equipped with sliding rail (28), the sliding rail (28) with it is sliding
Bar (9) is parallel, further includes a stepper motor (27) and the controller (20) for controlling stepper motor (27), the stepping
The top of motor (27) is fixed there are one lantern ring (10), and the lantern ring (10) is socketed on slide bar (9), the stepper motor (27)
Be socketed on sliding rail (28) and match with sliding rail (28), the stepper motor (27) be equipped with main shaft (11), the main shaft
(11) it is fixed with a leading screw (13) on, fixes that there are one nut (15), the leading screws at the center of the right support (14)
(13) it is stretched out from nut (15) after being inserted in nut (15), the leading screw (13) matches with nut (15), the piston rod
(25) end is fixed with a upright bar (26), and connecting rod (18) is fixed on the upright bar (26), is fixed on the connecting rod (18)
There are one bearing fixed block (16), set in the bearing fixed block (16) there are one rolling bearing (17), the leading screw (13)
End is equipped with bearing groove, and the rolling bearing (17) is socketed on bearing groove, and the stepper motor (27) is equipped with terminal box, institute
It states and is connected by power cord box data line between terminal box and controller (20), the controller (20), which is equipped with, rotates forward button
(23), reversion button (24), switch button (22) and speed governing knob (21).
2. motor-driven heart contrast medium injection deivice according to claim 1, it is characterised in that：The piston (2)
Periphery on be socketed with a circle sealing ring (3).
3. motor-driven heart contrast medium injection deivice according to claim 2, it is characterised in that：The leading screw (13)
It is fixedly connected by shaft coupling (12) between main shaft (11).
4. motor-driven heart contrast medium injection deivice according to claim 3, it is characterised in that：The injection tube
(1) front handlebar (4) and rear handle (19) are fixed on, the rear handle (19) is equipped with pilot hole, and the piston rod (25) is inserted
Enter in pilot hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720537356.8U CN207640752U (en) | 2017-05-13 | 2017-05-13 | A kind of motor-driven heart contrast medium injection deivice |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720537356.8U CN207640752U (en) | 2017-05-13 | 2017-05-13 | A kind of motor-driven heart contrast medium injection deivice |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207640752U true CN207640752U (en) | 2018-07-24 |
Family
ID=62885142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720537356.8U Expired - Fee Related CN207640752U (en) | 2017-05-13 | 2017-05-13 | A kind of motor-driven heart contrast medium injection deivice |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207640752U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN110478573A (en) * | 2019-09-12 | 2019-11-22 | 嘉兴莫比乌斯智能科技有限公司 | A kind of auxiliary injection assist device |
-
2017
- 2017-05-13 CN CN201720537356.8U patent/CN207640752U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN110478573A (en) * | 2019-09-12 | 2019-11-22 | 嘉兴莫比乌斯智能科技有限公司 | A kind of auxiliary injection assist device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180724 Termination date: 20190513 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |