CN207493049U - Anti-reverse three three-way pipe of flow pattern and intervention contrast apparatus - Google Patents
Anti-reverse three three-way pipe of flow pattern and intervention contrast apparatus Download PDFInfo
- Publication number
- CN207493049U CN207493049U CN201720248872.9U CN201720248872U CN207493049U CN 207493049 U CN207493049 U CN 207493049U CN 201720248872 U CN201720248872 U CN 201720248872U CN 207493049 U CN207493049 U CN 207493049U
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- China
- Prior art keywords
- contrast agent
- pipe
- side pipe
- valve
- supervisor
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Abstract
The utility model provides a kind of three three-way pipe of anti-reverse flow pattern, is arranged in the pipeline of intervention contrast apparatus, for switching over conducting to the contrast agent in intervention contrast apparatus, which is characterized in that including：It is responsible for and is successively set on the first side pipe that the supervisor is upper and is connected respectively with the supervisor, second side pipe and third side pipe, first side pipe, second side pipe and third side pipe are respectively arranged with the triple valve that contrast agent is allowed to be connected with the connecting portion being responsible for, wherein, one end of supervisor is connected with interposing catheter, the other end is connected with aspiration injection device, third side pipe is close to aspiration injection device side, the third side pipe is connected with contrast agent storage container, for contrast agent to be conducted to supervisor, check valve is provided on third side pipe, make contrast agent that can only laterally be responsible for effluent from contrast agent storage container to lead to.The utility model additionally provides the intervention contrast apparatus containing anti-reverse three three-way pipe of flow pattern.
Description
Technical field
The utility model belongs to medical instruments field, is related to a kind of three three-way pipes, and in particular to a kind of anti-reverse flow pattern three
Join three-way pipe and the intervention contrast apparatus containing anti-reverse three three-way pipe of flow pattern.
Background technology
Shadowgraph technique is intervened in the therapeutic process of angiocardiopathy using very generally, process is predominantly by contrast agent
Vascular lesion position is injected by interposing catheter, the diseased region is enable to be shown in contrast imaging equipment, so as to allow
Doctor observes lesion situation.
During intervening radiography, medical staff needs completion extraction contrast agent, injection contrast agent, detergent line etc. multiple
Operation, in order to which easy to operate, equipment is allowed to simplify, three three-way pipes would generally be set by intervening in the pipeline of contrast apparatus.It should
Three three-way pipes have supervisor and three side pipes, and one end of three side pipes passes through the triple valve with T shape through-holes and supervisor respectively
Connection.Pressure tester, heparin saline irrigation storage bottle and contrast agent storage bottle are separately positioned on the other end of three side pipes,
When needing to carry out contrast agent suction or injection, the direction of regulating three-way valve makes its accordingly switched conductive, then from supervisor distally
It is aspirated or is injected with syringe.
In above-mentioned intervention contrast apparatus, need to carry out at least triple valve in suction and the operating process of injection contrast agent
Direction switches twice.Especially when injecting contrast agent, corresponding triple valve, which must adjust direction, makes contrast agent storage bottle and master
That manages is separated, and otherwise contrast agent will be artificially injected back because of maloperation in contrast agent storage bottle.The contrast agent of the reflux
Blood samples of patients may be mixed into, makes to generate small thrombus in contrast agent storage bottle, and pathogen may be contained in blood samples of patients, this
It a bit all can remaining contrast agent in pollution bottle.Therefore, once the situation of aforementioned triple valve switching direction mistake has occurred, in order to keep away
Exempting from generation embolic complications and cross-infection, whole bottle contrast agent must discard.
In practical operation, the situation of above-mentioned switching direction mistake is very incidental, especially in neophyty operation
Or in the case of being pressed for time.A large amount of wastes of contrast agent are thus easy to cause, increase the medical expense of patient.
On the other hand, in order to ensure not occur such operation error, medical staff needs slow-down operation speed and careful
Check the communication direction of triple valve, the time that this is allowed for spent by once-through operation is longer, increases medical staff's exposure indirectly
Time in ray is intervened is unfavorable for the health of medical staff itself.
Utility model content
To solve the above problems, provide it is a kind of can prevent three three-way pipes that contrast agent is back to contrast agent storage bottle with
And the intervention contrast apparatus containing three three-way pipe, the utility model employ following technical solution：
The utility model provides a kind of three three-way pipe of anti-reverse flow pattern, is arranged in the pipeline of intervention contrast apparatus, uses
In to intervention contrast apparatus in contrast agent switch over conducting, which is characterized in that including：It is responsible for and is successively set on the master
The first side pipe, the second side pipe and the third side pipe connected on pipe and with the supervisor respectively, first side pipe, the second side pipe and
Third side pipe is respectively arranged with the triple valve that contrast agent is allowed to be connected with the connecting portion being responsible for, wherein, one end of supervisor and intervention
Conduit connects, and the other end is connected with aspiration injection device, and third side pipe is close to aspiration injection device side, the third side pipe and radiography
Agent storage container connects, and for contrast agent to be conducted to supervisor, check valve is provided on third side pipe, makes contrast agent can only be from making
Shadow agent storage container is laterally responsible for effluent and is led to.
Three three-way pipe of anti-reverse flow pattern provided by the utility model can also have following technical characteristic：Wherein, check valve
Including：Valve body, in hollow tubular；Sealing flange is arranged on valve body on one end inner wall of contrast agent storage container side；It is fixed
Pallet on valve body other end inner wall, has the notch section that contrast agent is allowed to circulate；Valve rod is fixed on fixed tray simultaneously
And it extends at sealing flange；Valve block is movably sleeved on valve rod, when which is moved at sealing flange with the sealing
Flange abuts to form sealing, for preventing contrast agent from supervisor's side reflux to contrast agent storage container side；And spring part, it surround
It is arranged on valve rod, one end is abutted with valve block, and the other end is abutted with fixed tray, is supported for being maintained at valve block with sealing flange
The position connect.
Three three-way pipe of anti-reverse flow pattern provided by the utility model can also have following technical characteristic：Wherein, valve block leans on
Gasket is provided on one side surface of nearly sealing flange.
Three three-way pipe of anti-reverse flow pattern provided by the utility model can also have following technical characteristic：Wherein, fixed support
Disk is rounded, and edge is fixedly mounted on the inner wall of valve body, and notch section is uniformly arranged in sector on fixed tray.
Three three-way pipe of anti-reverse flow pattern provided by the utility model can also have following technical characteristic：Wherein, the first side
Pipe is connect with pressure measuring unit, and flow regulator is provided on the second side pipe, which connects with irrigation storage container
It connects.
The utility model additionally provides a kind of intervention contrast apparatus, in intervention radiography operation to the intravascular of patient
Import contrast agent, which is characterized in that including：Interposing catheter, aspiration injection device, pressure measuring unit, irrigation storage container,
Contrast agent storage container and three three-way pipes for switching over conducting to contrast agent, wherein, three three-way pipes is as above
Three three-way pipes of any one.
Utility model effect
According to anti-reverse three three-way pipe of flow pattern provided by the utility model and intervention contrast apparatus, due to being stored up with contrast agent
It deposits in the third side pipe of reservoir and is provided with check valve so that contrast agent can only laterally be responsible for effluent from contrast agent storage container
It is logical, therefore even if maloperation occurs for medical staff, contrast agent will not flow back into contrast agent storage container, can avoid contrast agent
It is contaminated.
Description of the drawings
Fig. 1 is the structure diagram of the intervention contrast apparatus of the utility model embodiment；
Fig. 2 is the structure diagram of three three-way pipes of the utility model embodiment；
Fig. 3 is the check valve sectional view of the utility model embodiment；
Fig. 4 is the fixed tray structure diagram of the utility model embodiment.
Specific embodiment
Illustrate specific embodiment of the present utility model below in conjunction with attached drawing and embodiment.
Fig. 1 is the structure diagram of the intervention contrast apparatus of the utility model embodiment.
As shown in Figure 1, the intervention contrast apparatus 100 of the utility model includes interposing catheter 1, aspiration injection device 2, pressure
Measurement device 3, irrigation storage container 4, contrast agent storage container 5 and for conducting is switched over to contrast agent three or three
Siphunculus 6.
Interposing catheter 1 is that will intervene contrast agent used to import sufferer to be inserted into the endovascular conduit of sufferer, effect
It is intravascular.
Aspiration injection device 2 has suction and function of injecting, for providing the power of suction or injection contrast agent.In this reality
It applies in example, which is syringe.
Pressure measuring unit 3 is piezometry table, for measuring the fluid pressure in intervention procedure.
For storing irrigation, contrast agent storage container 5 is used to store contrast agent irrigation storage container 4.In this implementation
In example, the irrigation storage container 4 and contrast agent storage container 5 are flask, and irrigation uses the physiology containing heparin
Brine.
Fig. 2 is the structure diagram of three three-way pipes of the utility model embodiment.
As shown in Fig. 2, three three-way pipes 6 include the 60, first side pipe 61 of supervisor, the second side pipe 62, third side pipe 63, three
Triple valve 64, threeway valve support 65 and check valve 66.
In a tubular form, both ends connect supervisor 1 with interposing catheter 1 and aspiration injection device 2 respectively.
First side pipe 61, the second side pipe 62 and third side pipe 63 are successively set on supervisor 1, are connected respectively with supervisor 1,
It connects position and is each provided with a triple valve 64.First one end of side pipe 61 far from supervisor 1 is equipped with pressure measuring unit 3,
One end access irrigation storage container 4 of second side pipe 62 far from supervisor 1, one end access of the third side pipe 63 far from supervisor 1 are made
Shadow agent storage container 5.In addition, being additionally provided with flow regulator 621 on the second side pipe 62, adjusted for the flow velocity to irrigation
Section.
Triple valve at the first side pipe is arranged on as 64A, the triple valve being arranged at the second side pipe is 64B, is arranged on the
Triple valve at three side pipes is 64C.The structure and principle of three triple valves 64 are identical, illustrate by taking triple valve 64C as an example below
Its structure and conduction mode.
Triple valve 64C has the cylindrical valve being located inside supervisor 60 and the adjusting rod 641 outside supervisor 60.Cylindrical valve
Inside has T shape through-holes, and when rotation adjusting lever 641, the direction of the T shape through-holes also changes, so as to triple valve 64C
60 part of supervisor of both sides is connected, 60 part of supervisor of the arbitrary sides of third side pipe 63 and triple valve 64C is connected
Or third side pipe 63 and 60 part of supervisor of triple valve 64C both sides is allowed to be respectively formed conducting.
In addition, triple valve 64C also has the fixed part (being not shown on figure) for extending supervisor 60, which is mounted on three
On port valve stent 65.Similarly, triple valve 64A and triple valve 64C is mounted on by fixed part in threeway valve support 65 so that
Keep a determining deviation between three triple valves 64,60 part of supervisor between triple valve 64 does not generate bending, knotting or deformation.
Fig. 3 is the check valve sectional view of the utility model embodiment.In Fig. 3, lower section is supervisor side.
As shown in Figures 2 and 3, check valve 66 is mounted in third side pipe 63, including valve body 661, sealing flange 662, is consolidated
Determine pallet 663, valve rod 664, valve block 665, spring part 666 and gasket 667.
Valve body 661 is in hollow tubular, and outer wall is fixedly mounted on the inner wall of third side pipe 63.661 top of valve body (is leaned on
One end of nearly 5 side of contrast agent storage container) sealing flange 661 is provided on inner wall, the sealing flange 662 is annular in shape.
Fig. 4 is the fixed tray structure diagram of the utility model embodiment.
As shown in figure 4, fixed tray 663 is rounded, edge is fixedly mounted on the inner wall of valve body 661.This is fixed
There are three in fan-shaped notch section 663A for tool on pallet 663 so that contrast agent can circulate from notch section 663A.
As shown in figure 3, valve rod 664 is vertically fixed on the centre of fixed tray 663, and the upper end extend to it is close
It seals at flange 662.
665 center of valve block has the circular hole identical with 664 diameter of valve rod, and passes through the circular hole and be movably sleeved on valve
On bar 664 so that valve block 665 can move up and down along the central axial direction of valve rod 664.
Gasket 667 is provided on upper end (close to one end of sealing flange 661) surface of valve block 665, the gasket 667
It is made of rubber material.When valve block 665 is moved at sealing flange 662, gasket 667 abuts shape with sealing flange 662
Into sealing structure, the circulation of blocking contrast agent here.
Spring part 666 is circumferentially positioned on valve rod 664, and one end is abutted with valve block 665, the other end and fixed tray 663
Centre abuts, for valve block 665 to be maintained to the upper end position of valve rod 664, that is, the position abutted with sealing flange 665
Put place.
Below in conjunction with the operation principle of the check valve of description of the drawings the present embodiment.
As shown in figure 3, the lower section of check valve 66 is 1 side of supervisor.When medical staff adjusts triple valve 64C to allowing third side
During the direction that pipe 63 is connected with supervisor 1, you can aspirated by aspiration injection device 2.The pressure of 66 lower section of check valve as a result,
It is reduced due to suction so that the pressure of 665 downside of valve block is less than the pressure of upside.When the pressure differential is increased to more than spring part
During 666 support force, valve block 665 just overcomes the support force of spring part 666 to move downward, and makes the liquid of 66 top of check valve,
It is exactly that contrast agent is flowed downward to by check valve 66 in supervisor 1.
When medical staff carries out injection operation by aspiration injection device 2, need to push aspiration injection device 2 to master
Injection liquid in pipe 1.If at this point, third side pipe 63 with supervisor 1 in connected state, the pressure of 66 lower section of check valve by because
Liquid is injected and is increased so that valve block 665 and gasket 667 thereon abut sealing flange 661 securely, and liquid can not be from list
It is flowed up to the lower section of valve 66.
In addition, when medical staff does not carry out any operation, spring part 666 provides certain support force, make valve block 665 and
Gasket 667 thereon is maintained at the position for abutting sealing flange 661.
Therefore, no matter whether medical staff is operated, which kind of operation has been carried out, and liquid all can not be under check valve 66
Side flows up, i.e., check valve 66 is so that contrast agent can only laterally 1 effluent of supervisor leads to from contrast agent storage container 5.
Embodiment effect
According to anti-reverse three three-way pipe of flow pattern provided in this embodiment and intervention contrast apparatus, due to being stored with contrast agent
Check valve is provided in the third side pipe of reservoir so that contrast agent can only laterally be responsible for effluent from contrast agent storage container
It is logical, therefore even if maloperation occurs for medical staff, contrast agent will not flow back into contrast agent storage container, can avoid contrast agent
It is contaminated.
In addition, since spring part being employed to form support to valve block in the check valve of the present embodiment, in no operation
In the state of the valve block and gasket thereon can remain at the position for abutting sealing flange.So no matter medical care people
Whether member is operated, which kind of operation has been carried out, which can keep one-way conduction, and reliability is high.
Above-described embodiment is only used for illustrating specific embodiment of the present utility model, the anti-reverse flow pattern of the utility model
The description range that three three-way pipes and intervention contrast apparatus are not limited to the above embodiments.
For example, in embodiment, valve rod is fixedly mounted on fixed tray, valve block is movably sleeved on valve rod, but
In the utility model, valve block can also be fixedly mounted on valve rod upper end, and fixed tray middle section can be dug out and stem diameter phase
The circular hole of adaptation, allows valve rod to be movably installed on fixed tray.Such setting equally enables to valve block to move up and down,
And since, to be fixedly mounted, the two can be integrally formed, and the seam crossing between valve block valve rod is avoided to have between valve block and valve rod
Contrast agent is revealed.
In addition, in embodiment, valve body is in hollow cylindrical, and fixed tray edge is fixedly mounted on valve interior wall
On.But in the utility model, which, which can be configured as lower end, has by width to narrow funnel-shaped structure, lowest part it is straight
Diameter is less than the diameter of fixed tray.Fixed tray can be stuck in the funnel-shaped structure, therefore can equally realize fixed tray
Fixation.
Claims (6)
1. a kind of three three-way pipe of anti-reverse flow pattern is arranged in the pipeline of intervention contrast apparatus, for in intervention contrast apparatus
Contrast agent switch over conducting, which is characterized in that including：
It is responsible for and is successively set on the first side pipe, the second side pipe and the third side that the supervisor is upper and is connected respectively with the supervisor
Pipe, first side pipe, the second side pipe and third side pipe are respectively arranged with the connecting portion of the supervisor allows contrast agent to be connected
Triple valve,
Wherein, one end of the supervisor is connected with interposing catheter, and the other end is connected with aspiration injection device,
The third side pipe is connected close to the aspiration injection device side, the third side pipe with contrast agent storage container, for inciting somebody to action
The contrast agent is conducted to the supervisor,
Check valve is provided on the third side pipe, makes the contrast agent can only be from the lateral master of the contrast agent storage container
Pipe effluent leads to.
2. three three-way pipe of anti-reverse flow pattern according to claim 1, it is characterised in that：
Wherein, the check valve includes：
Valve body, in hollow tubular；
Sealing flange is arranged on the valve body on one end inner wall of the contrast agent storage container side；
Fixed tray on the valve body other end inner wall, has the notch section that the contrast agent is allowed to circulate；
Valve rod is fixed on the fixed tray and extends at the sealing flange；
Valve block is movably sleeved on the valve rod, is supported when which is moved at the sealing flange with the sealing flange
It connects to form sealing, for preventing the contrast agent from supervisor's side reflux to the contrast agent storage container side；And
Spring part is circumferentially positioned on the valve rod, and one end is abutted with the valve block, and the other end is abutted with the fixed tray,
For the valve block to be maintained at the position abutted with the sealing flange.
3. three three-way pipe of anti-reverse flow pattern according to claim 2, it is characterised in that：
Wherein, the valve block is provided with gasket on a side surface of the sealing flange.
4. three three-way pipe of anti-reverse flow pattern according to claim 2, it is characterised in that：
Wherein, the fixed tray is rounded, and edge is fixedly mounted on the inner wall of the valve body,
The notch section is uniformly arranged in sector on the fixed tray.
5. three three-way pipe of anti-reverse flow pattern according to claim 1, it is characterised in that：
Wherein, first side pipe is connect with pressure measuring unit,
Flow regulator is provided on second side pipe, which connect with irrigation storage container.
6. a kind of intervention contrast apparatus, for existing in intervention radiography operation to the intravascular importing contrast agent of patient, feature
In, including：
It interposing catheter, aspiration injection device, pressure measuring unit, irrigation storage container, contrast agent storage container and is used for
Three three-way pipes of conducting are switched over to contrast agent,
Wherein, three three-way pipe is three three-way pipe according to any one of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720248872.9U CN207493049U (en) | 2017-03-15 | 2017-03-15 | Anti-reverse three three-way pipe of flow pattern and intervention contrast apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720248872.9U CN207493049U (en) | 2017-03-15 | 2017-03-15 | Anti-reverse three three-way pipe of flow pattern and intervention contrast apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207493049U true CN207493049U (en) | 2018-06-15 |
Family
ID=62496495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720248872.9U Expired - Fee Related CN207493049U (en) | 2017-03-15 | 2017-03-15 | Anti-reverse three three-way pipe of flow pattern and intervention contrast apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207493049U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110522995A (en) * | 2019-09-29 | 2019-12-03 | 乔崇 | A kind of three three-way cock of coronary angiography preventing gas embolism |
| CN112569456A (en) * | 2020-12-23 | 2021-03-30 | 上海璞康医疗器械有限公司 | Multifunctional radiography catheter device capable of preventing countercurrent |
| CN114980943A (en) * | 2020-01-20 | 2022-08-30 | DVx株式会社 | Contrast medium injection device and injection line set |
| CN114980943B (en) * | 2020-01-20 | 2024-05-17 | DVx株式会社 | Contrast medium injection device and injection line set |
-
2017
- 2017-03-15 CN CN201720248872.9U patent/CN207493049U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110522995A (en) * | 2019-09-29 | 2019-12-03 | 乔崇 | A kind of three three-way cock of coronary angiography preventing gas embolism |
| CN114980943A (en) * | 2020-01-20 | 2022-08-30 | DVx株式会社 | Contrast medium injection device and injection line set |
| CN114980943B (en) * | 2020-01-20 | 2024-05-17 | DVx株式会社 | Contrast medium injection device and injection line set |
| CN112569456A (en) * | 2020-12-23 | 2021-03-30 | 上海璞康医疗器械有限公司 | Multifunctional radiography catheter device capable of preventing countercurrent |
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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: 20180615 Termination date: 20210315 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |