CN208274792U - Internal Medicine-Cardiovascular Dept. clinic contrast injector - Google Patents
Internal Medicine-Cardiovascular Dept. clinic contrast injector Download PDFInfo
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- CN208274792U CN208274792U CN201721697072.1U CN201721697072U CN208274792U CN 208274792 U CN208274792 U CN 208274792U CN 201721697072 U CN201721697072 U CN 201721697072U CN 208274792 U CN208274792 U CN 208274792U
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- rod
- cylinder
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- internal medicine
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Abstract
The utility model provides Internal Medicine-Cardiovascular Dept. clinic contrast injector, belongs to radiography field.Including injecting outer cylinder, injection outer cylinder is cylindrical and upper end is opening, and cylindrical and both ends of the lower end with protrusion are the connector of opening；Grafting cylinder is limited, limit grafting cylinder is cylindrical and both ends are opening, and limit grafting cylinder inner wall has screw thread, and the lower end of limit grafting cylinder is detachably connected on the upper end end of injection outer cylinder；Piston component, piston component includes cylindrical and coaxial arrangement upper body of rod and lower body of rod, the lower end of upper body of rod and the upper end of lower body of rod are rotatablely connected, the lower end of lower body of rod is the piston head in round block shape, upper body of rod outer wall thread is connected on the inner wall of limit grafting cylinder, and the upper end of upper body of rod is pierced by limit grafting cylinder；Wherein, when limit grafting cylinder is connected with injection outer cylinder, relative to injection outer cylinder, the circumferential restriction of limit grafting cylinder.This syringe is conducive to carry out quickly drawing contrast agent under helicitic texture.
Description
Technical field
The utility model belongs to radiography field, is related to Internal Medicine-Cardiovascular Dept. clinic contrast injector.
Background technique
Radiography, by taking in the substance of containing atomic number high element, is then being diagnosed in radiodiagnostics
Intracorporeal site absorbs radiogram for medical diagnosis.To the structure or organ for lacking nature comparison, density can be higher than or low
In the substance of the structure or organ introduce organ in or its peripheral clearance, be allowed to generate comparison development.
Angiocardiography is generally discharged by kidney, is made at present essentially by general syringe in angiographic procedure
With also having a stainless steel type, or piston type is improved to interval pushing mode or helical pattern, helical pattern use is more wide
General but very troublesome in the absorption to contrast agent, need to ceaselessly carry out rotation process is subjected to displacement piston block, therefore having must
It is innovated and is improved.
Summary of the invention
The purpose of this utility model is to provide Internal Medicine-Cardiovascular Dept. clinic for the above-mentioned problems in the prior art and make
Shadow syringe, the Internal Medicine-Cardiovascular Dept. clinic contrast injector are conducive to carry out quickly drawing contrast agent under helicitic texture, solve
The syringe of current helicitic texture is to drawing the problems such as contrast agent is more troublesome.
The purpose of this utility model can be realized by the following technical scheme: Internal Medicine-Cardiovascular Dept. clinic contrast injector,
It is characterized in that, the syringe includes:
Outer cylinder is injected, the injection outer cylinder is cylindrical and upper end is opening, and lower end has protrude cylindrical and two
End is the connector of opening；
Grafting cylinder is limited, the limit grafting cylinder is cylindrical and both ends are opening, and the limit grafting cylinder inner wall has
Screw thread, the lower end of the limit grafting cylinder are detachably connected on the upper end end of the injection outer cylinder；
Piston component, the piston component include it is cylindrical and coaxial arrangement upper body of rod and lower body of rod, it is described on
The lower end of the body of rod and the upper end of the lower body of rod are rotatablely connected, and the lower end of the lower body of rod is the piston head in round block shape,
The upper body of rod outer wall thread is connected on the inner wall of the limit grafting cylinder, and the upper end of the upper body of rod is pierced by the limit and inserts
Connect cylinder；
Wherein, when the limit grafting cylinder is connected with the injection outer cylinder, relative to the injection outer cylinder, the limit
The circumferential of grafting cylinder limits.
In above-mentioned Internal Medicine-Cardiovascular Dept. clinic contrast injector, the upper end end of the injection outer cylinder is integrally formed with several
Block is rectangle block-like plug division, and the lower end of the plug division is integrated with the injection outer cylinder upper end, the limit grafting
The lower end of cylinder offers several inserting grooves being rectangle, and the plug division is plugged in the inserting groove.
In above-mentioned Internal Medicine-Cardiovascular Dept. clinic contrast injector, the quantity of the plug division is four pieces and is set at 90 ° intervals.
In above-mentioned Internal Medicine-Cardiovascular Dept. clinic contrast injector, the internal diameter of the limit grafting cylinder is less than the injection outer cylinder
Internal diameter.
In above-mentioned Internal Medicine-Cardiovascular Dept. clinic contrast injector, integrally formed in circular ring shape on the outer wall of the upper body of rod
And outer wall has threaded threaded portion, the threaded portion is connected on the limit grafting cylinder inner wall.
In above-mentioned Internal Medicine-Cardiovascular Dept. clinic contrast injector, the lower end of the upper body of rod is integrally formed in cylinder
The fitting part of shape, the upper end end of the lower body of rod offer rounded close-fitting slot, and tight fit has ball in the close-fitting slot
Bearing, the outer wall of the ball bearing are a tight fit on the close-fitting slot inner wall, and the fitting part outer wall is a tight fit in the rolling
On the inner wall of pearl bearing.
In above-mentioned Internal Medicine-Cardiovascular Dept. clinic contrast injector, the bottom of the piston head has coniform in necking shape
Choke.
In above-mentioned Internal Medicine-Cardiovascular Dept. clinic contrast injector, the matched work of shape is arranged on the outer wall of the piston head
Fill in rubber sleeve.
In above-mentioned Internal Medicine-Cardiovascular Dept. clinic contrast injector, the upper end end of the upper body of rod has holding in circular ring shape
Ring portion.
In above-mentioned Internal Medicine-Cardiovascular Dept. clinic contrast injector, the length of the upper body of rod is greater than the length of the lower body of rod
Degree.
The prior art is compared, this Internal Medicine-Cardiovascular Dept. clinic contrast injector has the advantage that
1, this Internal Medicine-Cardiovascular Dept. clinic contrast injector is conducive to carry out quickly drawing contrast agent under helicitic texture.
2, this Internal Medicine-Cardiovascular Dept. clinic contrast injector realizes that piston type takes liquid and rotary type inj ection, smart structural design.
Detailed description of the invention
Fig. 1 is the structure sectional view of this Internal Medicine-Cardiovascular Dept. clinic contrast injector.
Fig. 2 is the schematic enlarged-scale view in the region A-A in Fig. 1.
Fig. 3 is the schematic enlarged-scale view in the region B-B in Fig. 1.
Fig. 4 is the top view that outer cylinder is injected in this Internal Medicine-Cardiovascular Dept. clinic contrast injector.
In figure, 1, injection outer cylinder；1a, connector；1b, plug division；2, grafting cylinder is limited；2a, inserting groove；3, upper body of rod；
3a, threaded portion；3b, fitting part；3c, support ring portion；4, lower body of rod；4a, piston head；4a1, choke；4b, close-fitting slot；5, ball
Bearing；6, piston rubber sleeve.
Specific embodiment
As shown in Figures 1 to 4, this Internal Medicine-Cardiovascular Dept. clinic contrast injector includes injection outer cylinder 1, and injection outer cylinder 1 is in circle
Tubular and upper end are opening, and it is the connector 1a being open that lower end, which has the cylindrical and both ends of protrusion,；Limit grafting cylinder 2, limit
Position grafting cylinder 2 is cylindrical and both ends are opening, and limit 2 inner wall of grafting cylinder has screw thread, and the lower end of limit grafting cylinder 2 can
Dismantling connection is in the upper end end of injection outer cylinder 1；Piston component, piston component include cylindrical and coaxial arrangement upper boom
Body 3 and lower body of rod 4, the lower end of upper body of rod 3 and the upper end of lower body of rod 4 are rotatablely connected, and the lower end of lower body of rod 4 is in round block shape
Piston head 4a, 3 outer wall thread of upper body of rod be connected to limit grafting cylinder 2 inner wall on, the upper end of upper body of rod 3 is pierced by limit grafting
Cylinder 2；Wherein, when limiting grafting cylinder 2 and injection outer cylinder 1 connects, relative to injection outer cylinder 1, the circumferential limit of limit grafting cylinder 2
It is fixed.This syringe is specific as follows: the material of this syringe is identical as barrel material in the prior art, is disposable road
Tool.The original state of this syringe is that piston head 4a is at connector 1a, and when carrying out absorption contrast agent, operation upper body of rod 3 is drawn
Piston head 4a makes to limit grafting cylinder 2 and piston component realization moves together, after contrast agent is drawn, can be manually rotated limit
Grafting cylinder 2 is close to injection outer cylinder 1, and when close, slight upper body of rod 3 of pushing makes to inject outer cylinder 1 and limit grafting cylinder 2 to realize grafting,
It has certain contrast agent at this time to be extruded, in rotary stopper grafting cylinder 2, it shall be guaranteed that it is not departed from upper body of rod 3, at this time
Preparation before injecting contrast agent is all ready.Angiography catheter is connected when injection at connector 1a, then rotates upper body of rod
3, upper body of rod 3 occurs to act on lower body of rod 4 while circumferential movement downwards under threaded function, realizes injection operation, and commonly
The movement that cannot achieve piston head 4a is pushed, this syringe is realized by piston motion draws contrast agent, and passes through rotary motion
Realize injection contrast agent, smart structural design.
The upper end end of injection outer cylinder 1 is rectangle block-like plug division 1b integrally formed with several pieces, plug division 1b's
Lower end is integrated with injection 1 upper end of outer cylinder, and the lower end of limit grafting cylinder 2 offers several inserting grooves being rectangle
2a, plug division 1b are plugged in inserting groove 2a.Injection outer cylinder 1 and limit grafting cylinder 2 are realized by inserting groove 2a and plug division 1b
Grafting, while preventing relative rotary motion.The quantity of plug division 1b is four pieces and is set at 90 ° intervals.Limit the interior of grafting cylinder 2
Diameter is less than the internal diameter of injection outer cylinder 1.Has threaded threaded portion integrally formed in circular ring shape and outer wall on the outer wall of upper body of rod 3
3a, threaded portion 3a are threaded on limit 2 inner wall of grafting cylinder.Threaded portion 3a is integrally formed, by the 3a realization of threaded portion
The threaded connection of the body of rod 3 and limit grafting cylinder 2.The lower end of upper body of rod 3 integrally formed with fitting part 3b cylindrical, under
The upper end end of the body of rod 4 offers rounded close-fitting slot 4b, and tight fit has ball bearing 5 in close-fitting slot 4b, ball bearing 5
Outer wall is a tight fit on close-fitting slot 4b inner wall, and fitting part 3b outer wall is a tight fit on the inner wall of ball bearing 5.Ball bearing 5 makes
Upper body of rod 3 and lower body of rod 4 realize rotation connection, and the attachment force of ball bearing 5 can prevent upper body of rod 3 and lower body of rod 4 from doing piston
It is detached from when movement, the specification of this ball bearing 5 is internal diameter 5mm, outer diameter 8mm.It is in necking shape that the bottom of piston head 4a, which has,
Coniform choke 4a1.Reduce indwelling of the contrast agent in injection outer cylinder 1.Shape is arranged on the outer wall of piston head 4a
The piston rubber sleeve 6 matched.Piston rubber sleeve 6 is made of silica gel.The upper end end of upper body of rod 3 has the support ring portion in circular ring shape
3c.Support ring portion 3c is held for hand.The length of upper body of rod 3 is greater than the length of lower body of rod 4.
Unmentioned detailed structure in present specification, specific part dimension and principle be conventionally known common sense or
What those skilled in the art can be derived that by simple selection, it does not repeat them here.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (10)
1. Internal Medicine-Cardiovascular Dept. clinic contrast injector, which is characterized in that the syringe includes:
Outer cylinder is injected, the injection outer cylinder is cylindrical and upper end is opening, and cylindrical and both ends of the lower end with protrusion are
The connector of opening；
Grafting cylinder is limited, the limit grafting cylinder is cylindrical and both ends are opening, and the limit grafting cylinder inner wall has screw thread,
The lower end of the limit grafting cylinder is detachably connected on the upper end end of the injection outer cylinder；
Piston component, the piston component include cylindrical and coaxial arrangement upper body of rod and lower body of rod, the upper body of rod
Lower end and the upper end of the lower body of rod be rotatablely connected, the lower end of the lower body of rod is the piston head in round block shape, described
Upper body of rod outer wall thread is connected on the inner wall of the limit grafting cylinder, and the upper end of the upper body of rod is pierced by the limit grafting
Cylinder；
Wherein, when the limit grafting cylinder is connected with the injection outer cylinder, relative to the injection outer cylinder, the limit grafting
The circumferential of cylinder limits.
2. Internal Medicine-Cardiovascular Dept. clinic contrast injector according to claim 1, which is characterized in that described to inject the upper of outer cylinder
End end is rectangle block-like plug division, the lower end of the plug division and the injection outer cylinder upper end integrally formed with several pieces
It is integrated, the lower end of the limit grafting cylinder offers several inserting grooves being rectangle, and the plug division is plugged in
In the inserting groove.
3. Internal Medicine-Cardiovascular Dept. clinic contrast injector according to claim 2, which is characterized in that the quantity of the plug division
For four pieces and interval 900 is arranged.
4. Internal Medicine-Cardiovascular Dept. clinic contrast injector according to claim 1 or 2 or 3, which is characterized in that the limit is inserted
The internal diameter of connect cylinder is less than the internal diameter of the injection outer cylinder.
5. Internal Medicine-Cardiovascular Dept. clinic contrast injector according to claim 1 or 2 or 3, which is characterized in that the upper body of rod
Outer wall on integrally formed in circular ring shape and outer wall has threaded threaded portion, the threaded portion is connected to the limit
On grafting cylinder inner wall.
6. Internal Medicine-Cardiovascular Dept. clinic contrast injector according to claim 1 or 2 or 3, which is characterized in that the upper body of rod
Lower end integrally formed with fitting part cylindrical, the upper end end of the lower body of rod offers rounded close-fitting
Slot, tight fit has ball bearing in the close-fitting slot, and the outer wall of the ball bearing is a tight fit on the close-fitting slot inner wall, institute
Fitting part outer wall is stated to be a tight fit on the inner wall of the ball bearing.
7. Internal Medicine-Cardiovascular Dept. clinic contrast injector according to claim 1 or 2 or 3, which is characterized in that the piston head
Bottom have in the coniform choke of necking shape.
8. Internal Medicine-Cardiovascular Dept. clinic contrast injector according to claim 1 or 2 or 3, which is characterized in that the piston head
Outer wall on be arranged with the matched piston rubber sleeve of shape.
9. Internal Medicine-Cardiovascular Dept. clinic contrast injector according to claim 1 or 2 or 3, which is characterized in that the upper body of rod
Upper end end have in circular ring shape support ring portion.
10. Internal Medicine-Cardiovascular Dept. clinic contrast injector according to claim 1 or 2 or 3, which is characterized in that the upper boom
The length of body is greater than the length of the lower body of rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721697072.1U CN208274792U (en) | 2017-12-08 | 2017-12-08 | Internal Medicine-Cardiovascular Dept. clinic contrast injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721697072.1U CN208274792U (en) | 2017-12-08 | 2017-12-08 | Internal Medicine-Cardiovascular Dept. clinic contrast injector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208274792U true CN208274792U (en) | 2018-12-25 |
Family
ID=64748123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721697072.1U Expired - Fee Related CN208274792U (en) | 2017-12-08 | 2017-12-08 | Internal Medicine-Cardiovascular Dept. clinic contrast injector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208274792U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111558103A (en) * | 2020-06-22 | 2020-08-21 | 华中科技大学同济医学院附属协和医院 | Contrast imaging injection device and method of using the same |
-
2017
- 2017-12-08 CN CN201721697072.1U patent/CN208274792U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111558103A (en) * | 2020-06-22 | 2020-08-21 | 华中科技大学同济医学院附属协和医院 | Contrast imaging injection device and method of using the same |
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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: 20181225 Termination date: 20191208 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |