CN220385548U - Automatic replacing device for CT high-pressure needle cylinder connecting pipe - Google Patents
Automatic replacing device for CT high-pressure needle cylinder connecting pipe Download PDFInfo
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- CN220385548U CN220385548U CN202321778450.4U CN202321778450U CN220385548U CN 220385548 U CN220385548 U CN 220385548U CN 202321778450 U CN202321778450 U CN 202321778450U CN 220385548 U CN220385548 U CN 220385548U
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- connecting pipe
- needle cylinder
- communicated
- separation blade
- driving
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- 239000002872 contrast media Substances 0.000 claims abstract description 32
- 238000000926 separation method Methods 0.000 claims description 27
- 230000005540 biological transmission Effects 0.000 claims description 15
- 230000007246 mechanism Effects 0.000 claims description 8
- 230000006978 adaptation Effects 0.000 claims description 5
- 230000001360 synchronised effect Effects 0.000 claims description 2
- 238000002347 injection Methods 0.000 abstract description 4
- 239000007924 injection Substances 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 230000009469 supplementation Effects 0.000 abstract 1
- 239000002904 solvent Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002601 radiography Methods 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 229940039231 contrast media Drugs 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses an automatic replacing device for a CT high-pressure syringe connecting pipe, which comprises a syringe, wherein a piston rod matched with the syringe is arranged in the syringe in a sliding manner, and a push handle is arranged at one end of the piston rod positioned outside the syringe; the air outlet of the needle cylinder is communicated with one end of a first connecting pipe, the other end of the first connecting pipe is communicated with the middle port of a T-shaped three-way connector, the other two ports of the three-way connector are respectively communicated with one end of a second connecting pipe and one end of a third connecting pipe, the other end of the second connecting pipe is communicated with the inside of a contrast agent container bottle, and the other end of the third connecting pipe is communicated with a contrast conduit; two baffle shafts are symmetrically arranged in the three-way connector along the rotation of the middle port of the three-way connector. The utility model does not need to frequently plug the connecting pipeline of the high-pressure syringe during operation, has simple operation of state switching between contrast agent injection and contrast agent supplementation, is convenient and quick, and realizes the continuity of CT contrast process.
Description
Technical Field
The utility model relates to the field of CT contrast injection devices, in particular to an automatic replacing device for a connecting pipe of a CT high-pressure syringe.
Background
The high-pressure syringe is a medical device frequently used for ct radiography, and the main function of the high-pressure syringe is to quickly and accurately inject a sufficient amount of high-concentration X-ray contrast agent into an examination position through percutaneous puncture into a blood vessel or an original duct of a human body within a certain time, so that diagnostic radiography can be carried out on a lesion position. The high-pressure enhanced contrast medium is generally sucked into the high-pressure syringe by a suction tube, and then the contrast medium is connected with the contrast medium guide tube, when the contrast medium in the syringe is injected, the guide tube connected with the high-pressure syringe is required to be taken down, and the contrast medium in the solvent bottle can be extracted by the syringe again for supplementing, so that continuity cannot be well realized in the contrast process, and the operation is very tedious and inconvenient, and therefore, the automatic replacement device for the CT high-pressure syringe connecting tube is developed.
Disclosure of Invention
The utility model aims to provide an automatic replacing device for a CT high-pressure syringe connecting pipe, which solves the technical problems mentioned in the background art.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model relates to an automatic replacing device for a CT high-pressure needle cylinder connecting pipe, which comprises a needle cylinder, wherein a piston rod matched with the needle cylinder is arranged in the needle cylinder in a sliding manner, and a pushing handle is arranged at one end of the piston rod positioned outside the needle cylinder; the air outlet of the needle cylinder is communicated with one end of a first connecting pipe, the other end of the first connecting pipe is communicated with the middle port of a T-shaped three-way connector, the other two ports of the three-way connector are respectively communicated with one end of a second connecting pipe and one end of a third connecting pipe, the other end of the second connecting pipe is communicated with the inside of a contrast agent container bottle, and the other end of the third connecting pipe is communicated with a contrast conduit; the inside of tee bend connector is provided with two separation blade axles along the rotation of its middle part port symmetry, two be provided with circular shape first separation blade and second separation blade on the separation blade axle respectively, the external diameter of first separation blade with the external diameter of second separation blade all with tee bend connector's internal diameter looks adaptation, and first separation blade with the axis of second separation blade sets up perpendicularly, tee bend connector's outside is provided with and is used for driving two the synchronous rotatory actuating mechanism of separation blade axle.
Further, a rubber plug is arranged on the bottleneck of the contrast agent container bottle, a bottle inserting needle is arranged at the other end of the second connecting pipe, and the bottle inserting needle penetrates through the rubber plug and is communicated with the inside of the contrast agent container bottle.
Further, two symmetrical ends of the three-way connector are respectively provided with check valves at positions close to the end parts.
Further, the driving mechanism comprises a transmission box fixedly arranged outside the three-way connector, a driving shaft is rotatably arranged in the middle of the inside of the transmission box, and a driving gear is arranged at the position of the driving shaft, which is positioned in the transmission box; the inside rotation along driving shaft symmetry of transmission box is provided with two driven shafts, two the driven shaft respectively with two the axis coincidence of separation blade axle is connected with the tip, two be provided with on the driven shaft respectively with the driven gear of driving gear looks adaptation.
Further, one end of the driving shaft extends to the outside of the transmission box and is provided with a driving hand wheel.
Further, a driving motor is arranged outside the transmission box, and a driving shaft of the driving motor is connected with the end part of the driving shaft.
Still further, still include the mount pad, the needle cylinder set up fixedly in the centre of mount pad, follow on the mount pad the fixed two electric telescopic handle that are provided with of needle cylinder symmetry, two electric telescopic handle's flexible end respectively with two symmetry set up in connecting plate fixed connection on the pushing handle.
Compared with the prior art, the utility model has the beneficial technical effects that:
according to the utility model, the first baffle plate and the second baffle plate with the two vertical axes are arranged in the three-way connector, and the matching relation between the first baffle plate and the second baffle plate and the inner wall of the three-way connector can be quickly adjusted through the driving mechanism, so that the quick switching of the communication state between the needle cylinder and the contrast agent solvent bottle and the contrast catheter is realized, the connecting pipeline of the high-pressure needle cylinder is not required to be frequently inserted and pulled in the working process, the state switching operation between the contrast agent injection and the contrast agent supplement is simple, convenient and quick, and the continuity of the CT contrast process is realized.
Drawings
The utility model is further described with reference to the following description of the drawings.
FIG. 1 is a schematic diagram of a first embodiment of the present utility model;
FIG. 2 is an internal schematic view of a three-way connector for injecting contrast agent according to an embodiment of the present utility model;
FIG. 3 is an internal schematic view of a three-way connector when replenishing contrast media according to an embodiment of the present utility model;
FIG. 4 is a schematic structural diagram of a second embodiment of the present utility model;
reference numerals illustrate: 1. a needle cylinder; 2. a piston rod; 3. a push handle; 4. a first connection pipe; 5. a three-way connector; 6. a second connection pipe; 7. a third connection pipe; 8. a check valve; 9. a contrast agent container bottle; 10. a rubber stopper; 11. inserting a bottle needle; 12. a contrast catheter; 13. a baffle shaft; 14. a first baffle; 15. a second baffle; 16. a transmission box; 17. a driving shaft; 18. a drive gear; 19. a driven shaft; 20. a driven gear; 21. driving a hand wheel; 22. a driving motor; 23. a mounting base; 24. an electric telescopic rod; 25. and (5) connecting a plate.
Detailed Description
Example 1
As shown in fig. 1, the automatic replacing device for the connecting pipe of the CT high-pressure syringe comprises a syringe 1, wherein a piston rod 2 matched with the syringe 1 is slidably arranged in the syringe 1, and a push handle 3 is arranged at one end of the piston rod 2 positioned outside the syringe 1.
The air outlet of the needle cylinder 1 is communicated with one end of a first connecting pipe 4, the other end of the first connecting pipe 4 is communicated with the middle port of a T-shaped three-way connector 5, and the other two ports of the three-way connector 5 are respectively communicated with one ends of a second connecting pipe 6 and a third connecting pipe 7. Further, check valves 8 are respectively installed at positions close to the ends of the symmetrical ends of the three-way connector 5.
The other end of the second connecting pipe 6 is communicated with the inside of the contrast agent container bottle 9, specifically: a rubber plug 10 matched with the bottle mouth of the contrast agent container bottle 9 is arranged on the bottle mouth of the contrast agent container bottle 9, a bottle inserting needle 11 is arranged at the other end of the second connecting pipe 6, and the bottle inserting needle 11 penetrates through the rubber plug 10 so that the second connecting pipe 6 is communicated with the inside of the contrast agent container bottle 9.
The other end of the third connecting tube 7 is communicated with a contrast catheter 12.
Two baffle shafts 13 are symmetrically arranged in the three-way connector 5 along the axis of the central port of the three-way connector in a rotating mode, and sealing rings are arranged at the matching positions of the two baffle shafts 13 and the side wall of the three-way connector 5. Circular first separation blade 14 and second separation blade 15 are installed respectively on two separation blade axles 13, the external diameter of first separation blade 14 with the external diameter of second separation blade 15 all with three-way connection ware 5's internal diameter looks adaptation, and first separation blade 14 with the axis of second separation blade 15 sets up perpendicularly. The outside of the three-way connector 5 is provided with a driving mechanism for driving the two baffle shafts 13 to synchronously rotate.
The driving mechanism comprises a driving box 16 fixedly arranged outside the three-way connector 5, a driving shaft 17 is rotatably arranged in the middle of the inside of the driving box 16, and a driving gear 18 is arranged at the position of the driving shaft 17 positioned inside the driving box 16. Two driven shafts 19 are symmetrically and rotatably arranged inside the transmission box 16 along the driving shaft 17, the two driven shafts 19 are respectively overlapped with the axes of the two baffle plate shafts 13 and are connected with the end parts, and driven gears 20 matched with the driving gears 18 are respectively arranged on the two driven shafts 19. One end of the driving shaft 17 extends to the outside of the driving box 16 and is provided with a driving hand wheel 21, and in addition, the outside of the driving box 16 is provided with a dial, thereby facilitating the operator to observe the rotation angle of the driving hand wheel 21.
The working principle of this embodiment is as follows:
as shown in fig. 2, when the contrast agent is injected, the axis of the first baffle plate close to the second connecting pipe is parallel to the axis of the vertical part of the three-way connector, so that the space between the middle part of the three-way connector and the second connecting pipe is in a closed state; and the axis of the second baffle plate close to the third connecting pipe is vertical to the axis of the vertical part of the three-way connector, so that the space between the middle part of the three-way connector and the third connecting pipe is in an unblocked state. The operator pushes the piston rod into the syringe, so that the contrast medium in the syringe enters the contrast catheter through the first connecting pipe, the three-way connector and the third connecting pipe under the high pressure effect to perform contrast medium injection.
When the contrast medium is required to be supplemented into the needle cylinder, an operator only needs to rotate the hand wheel 21 by 90 degrees, so that the first baffle plate and the second baffle plate rotate to the state shown in fig. 3, and the axis of the first baffle plate close to the second connecting pipe is perpendicular to the axis of the vertical part of the three-way connector, so that the space between the middle part of the three-way connector and the second connecting pipe is in an unblocked state; and the axis of the second baffle close to the third connecting pipe is vertical to the axis of the vertical part of the three-way connector, so that the middle part of the three-way connector is in a closed state between the third connecting pipe and the third connecting pipe, and an operator pulls the piston rod to the outside of the syringe, so that the contrast agent in the contrast agent solvent bottle enters the syringe through the second connecting pipe, the three-way connector and the first connecting pipe to supplement the contrast agent in the syringe.
Example two
As shown in fig. 4, the present embodiment does not change the other mechanisms of the first embodiment, and replaces the hand wheel on the driving shaft. In this embodiment, a driving motor 22 is mounted on the outside of the transmission case 16, the driving motor 22 is specifically a servo motor, and a driving shaft thereof is connected to an end portion of the driving shaft 17.
In addition, this embodiment further includes a mounting seat 23, the needle cylinder 1 is fixedly mounted in the middle of the mounting seat 23, two electric telescopic rods 24 are symmetrically and fixedly mounted on the mounting seat 23 along the needle cylinder 1, and the telescopic ends of the two electric telescopic rods 24 are respectively and fixedly connected with two symmetrical connecting plates 25 fixedly arranged on the push handle 3. In this embodiment, the actions of the electric telescopic rod and the driving motor are controlled by the preset program of the controller, the push handle and the piston rod inside the needle cylinder are driven by the two electric telescopic rods to perform linear motion, and the matching state of the first baffle plate and the second baffle plate and the inner wall of the three-way connector is regulated by the driving motor.
The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the design spirit of the present utility model.
Claims (7)
1. An automatic replacing device for a CT high-pressure needle cylinder connecting pipe is characterized in that: the needle cylinder comprises a needle cylinder body, wherein a piston rod matched with the needle cylinder body is arranged in the needle cylinder body in a sliding manner, and a pushing handle is arranged at one end of the piston rod positioned outside the needle cylinder body; the air outlet of the needle cylinder is communicated with one end of a first connecting pipe, the other end of the first connecting pipe is communicated with the middle port of a T-shaped three-way connector, the other two ports of the three-way connector are respectively communicated with one end of a second connecting pipe and one end of a third connecting pipe, the other end of the second connecting pipe is communicated with the inside of a contrast agent container bottle, and the other end of the third connecting pipe is communicated with a contrast conduit; the inside of tee bend connector is provided with two separation blade axles along the rotation of its middle part port symmetry, two be provided with circular shape first separation blade and second separation blade on the separation blade axle respectively, the external diameter of first separation blade with the external diameter of second separation blade all with tee bend connector's internal diameter looks adaptation, and first separation blade with the axis of second separation blade sets up perpendicularly, tee bend connector's outside is provided with and is used for driving two the synchronous rotatory actuating mechanism of separation blade axle.
2. The automatic replacement device for connecting tubes of CT high pressure syringes according to claim 1, wherein: the bottle mouth of the contrast agent container bottle is provided with a rubber plug, the other end of the second connecting pipe is provided with a bottle inserting needle, and the bottle inserting needle penetrates through the rubber plug and is communicated with the inside of the contrast agent container bottle.
3. The automatic replacement device for connecting tubes of CT high pressure syringes according to claim 1, wherein: and check valves are respectively arranged at the positions close to the end parts of the symmetrical two ends of the three-way connector.
4. The automatic replacement device for connecting tubes of CT high pressure syringes according to claim 1, wherein: the driving mechanism comprises a transmission box fixedly arranged outside the three-way connector, a driving shaft is rotatably arranged in the middle of the inside of the transmission box, and a driving gear is arranged at the position of the driving shaft, which is positioned in the transmission box; the inside rotation along driving shaft symmetry of transmission box is provided with two driven shafts, two the driven shaft respectively with two the axis coincidence of separation blade axle is connected with the tip, two be provided with on the driven shaft respectively with the driven gear of driving gear looks adaptation.
5. The automatic replacement device for connecting tubes of CT high pressure syringes according to claim 4, wherein: one end of the driving shaft extends to the outside of the transmission box and is provided with a driving hand wheel.
6. The automatic replacement device for connecting tubes of CT high pressure syringes according to claim 4, wherein: the driving motor is arranged outside the transmission box, and a driving shaft of the driving motor is connected with the end part of the driving shaft.
7. The automatic replacement device for connecting tubes of CT high pressure syringes according to claim 6, wherein: the needle cylinder is fixedly arranged in the middle of the mounting seat, two electric telescopic rods are fixedly arranged on the mounting seat along the symmetry of the needle cylinder, and the telescopic ends of the two electric telescopic rods are respectively and symmetrically arranged on the connecting plates on the push handles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321778450.4U CN220385548U (en) | 2023-07-07 | 2023-07-07 | Automatic replacing device for CT high-pressure needle cylinder connecting pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321778450.4U CN220385548U (en) | 2023-07-07 | 2023-07-07 | Automatic replacing device for CT high-pressure needle cylinder connecting pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220385548U true CN220385548U (en) | 2024-01-26 |
Family
ID=89605501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321778450.4U Active CN220385548U (en) | 2023-07-07 | 2023-07-07 | Automatic replacing device for CT high-pressure needle cylinder connecting pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220385548U (en) |
-
2023
- 2023-07-07 CN CN202321778450.4U patent/CN220385548U/en active Active
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