CN214762593U - Tracer agent syringe - Google Patents
Tracer agent syringe Download PDFInfo
- Publication number
- CN214762593U CN214762593U CN202022987654.1U CN202022987654U CN214762593U CN 214762593 U CN214762593 U CN 214762593U CN 202022987654 U CN202022987654 U CN 202022987654U CN 214762593 U CN214762593 U CN 214762593U
- Authority
- CN
- China
- Prior art keywords
- tracer
- needle cylinder
- bottle
- piston body
- syringe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000000700 radioactive tracer Substances 0.000 title claims abstract description 77
- 239000003795 chemical substances by application Substances 0.000 title abstract description 9
- 239000007788 liquid Substances 0.000 claims abstract description 32
- 238000002347 injection Methods 0.000 claims abstract description 18
- 239000007924 injection Substances 0.000 claims abstract description 18
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000003153 chemical reaction reagent Substances 0.000 description 3
- 239000002872 contrast media Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 238000002591 computed tomography Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000002583 angiography Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009206 nuclear medicine Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
Images
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model provides a tracer injector, tracer injector includes at least: the tracer comprises a needle cylinder, a needle cylinder cover cap, a piston body and a tracer bottle, wherein the needle cylinder cover cap is positioned at the liquid outlet end of the needle cylinder, the tracer bottle is communicated with the inner cavity of the needle cylinder through a one-way valve, and the piston body is positioned in the inner cavity of the needle cylinder. The utility model discloses can use with the cooperation of high pressure injection device, finish using at the spike agent, when needing to supply the tracer, need not to take off the pipe of being connected between spike agent and the patient, simplified the step that the tracer was added. The problem that gas in a high-pressure injector needle cylinder cannot be discharged when the tracer is injected can also be solved.
Description
Technical Field
The utility model relates to a syringe technical field especially relates to a spike agent syringe.
Background
The tracer high-pressure injector is mainly used for injecting a contrast medium during angiography and can also be used for injecting the contrast medium during CT (computed tomography) contrast examination. The high pressure syringe functions to ensure a rapid injection of a sufficient amount of high concentration X-ray contrast agent into the examination site within a certain period of time. It is composed of injection syringe, injection head, push and control system, supporting and fixing part and accessories. It can be fixed on walls, ceilings, treatment tables, carts and moving racks. The tracer agent for nuclear medicine imaging injection needs to be injected by a high-pressure injector, but the exhaust operation of a traditional injector needle cylinder is complex and liquid medicine needs to be manually extracted every time, so that the inspection complexity is increased, gas often enters the inner cavity of the high-pressure injector needle cylinder together in the tracer agent supplementing process, the gas in the high-pressure injector needle cylinder cannot be discharged due to the fact that a piston in front of a push rod is of a closed structure, medical personnel can only vertically upwards push the high-pressure injector needle cylinder, and the gas is removed by manually pushing the piston.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned shortcomings of the prior art, it is an object of the present invention to provide a tracer injector for solving the problems of the prior art.
To achieve the foregoing and other related objects, the present invention provides a tracer injector, comprising at least: the tracer comprises a needle cylinder, a needle cylinder cover cap, a piston body and a tracer bottle, wherein the needle cylinder cover cap is positioned at the liquid outlet end of the needle cylinder, the tracer bottle is communicated with the inner cavity of the needle cylinder through a one-way valve, and the piston body is positioned in the inner cavity of the needle cylinder.
Optionally, the piston body is provided with a shut-off valve, and a central axis of the shut-off valve is deviated from a central axis of the piston body.
Optionally, the needle cylinder is provided with a liquid inlet pipe, the liquid inlet pipe is located at a position close to the liquid outlet end of the needle cylinder, and the needle cylinder is connected with the tracer bottle through the liquid inlet pipe.
Optionally, the inner diameter of the liquid inlet pipe is smaller than or equal to the thickness of the piston body.
Optionally, the one-way valve is located in the conduit of the liquid inlet pipe.
Optionally, the tracer bottle comprises a connecting tube, the tracer bottle being connected to the barrel by the connecting tube.
As mentioned above, the utility model discloses a tracer injector has following beneficial effect:
the utility model discloses can use with the cooperation of high pressure injection device, finish using at the spike agent, when needing to supply the tracer, need not to take off the pipe of being connected between spike agent and the patient, simplified the step that the tracer was added. The problem that gas in a high-pressure injector needle cylinder cannot be discharged when the tracer is injected can also be solved.
Drawings
Fig. 1 shows a schematic structural diagram of the present invention.
Description of the element reference numerals
1 piston body
2 shut-off valve
3 needle cylinder
31 liquid inlet pipe
4 one-way valve
5 tracer bottle
51 connecting pipe
6 syringe cap
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
Please refer to fig. 1. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
As shown in fig. 1, the utility model provides a tracer injector, the tracer injector includes at least: the novel syringe comprises a syringe 3, a syringe cap 6, a piston body 1 and a tracer bottle 5, wherein the syringe cap 6 is located at the liquid outlet end of the syringe 3, the tracer bottle 5 is communicated with the inner cavity of the syringe 3 through a one-way valve 4, and the piston body 1 is located in the inner cavity of the syringe 3.
The utility model provides a tracer syringe uses with the cooperation of high pressure injection device, in the use, seals the play liquid end of cylinder 3 through cylinder block 6, with high pressure injection device's push rod head with the piston body 1 of tracer syringe is connected, and the tracer in tracer bottle 5 passes through 4 one-way inflow cylinders 3 inner chambers of check valve, and when high pressure injection device's push rod promoted 1 injection piston body tracer, the choked flow effect of check valve 4 prevented that the tracer from flowing back to in the tracer bottle 5.
In the present embodiment, the shut-off valve 2 and the check valve 4 are commercially available conventional products, and are specifically available from the department of tetrafluoro plastics in Taobao.
In one embodiment, the piston body 1 is provided with a shut-off valve 2, and the center axis of the shut-off valve 2 is offset from the center axis of the piston body 1.
In the embodiment, when the tracer in the tracer bottle 5 flows into the inner cavity of the needle cylinder 3, gas often enters the inner cavity of the needle cylinder 3 together, the shut-off valve 2 arranged in the tracer injector can control the inner cavity of the needle cylinder 3 to be communicated or isolated with the outside, the shut-off valve 2 is opened, the push rod of the high-pressure injection device pushes the piston body 1 to discharge the gas in the inner cavity of the needle cylinder 3 through the shut-off valve 2 until the inner cavity of the needle cylinder 3 is free from gas, the shut-off valve 2 is closed, the push rod of the high-pressure injection device continues to push the piston body 1 to inject the reagent, the reagent can be prevented from leaking out of the shut-off valve 2, and the central axis of the shut-off valve 2 deviates from the central axis of the piston body 1, so that the gas in the inner cavity of the needle cylinder 3 can be discharged conveniently.
In one embodiment, the piston body 1 is provided with a slot adapted to a hook of a push rod of a high pressure injection device.
In this embodiment, when the tracer injector is used, the hook of the push rod of the high-pressure injection device is connected with the slot of the piston body 1, so that the push rod of the high-pressure injection device is connected with the piston body 1.
In one embodiment, the needle cylinder 3 is provided with a liquid inlet pipe 31, the liquid inlet pipe 31 is located at a position close to the liquid outlet end of the needle cylinder 3, and the needle cylinder 3 is connected with the tracer bottle 5 through the liquid inlet pipe 31.
In this embodiment, after the injection is completed, the piston body 1 is located at the bottom of the inner cavity of the syringe 3, and the tracer needs to be replenished again, the liquid outlet end of the syringe 3 is closed, for example, the liquid outlet end of the syringe 3 can be closed by using the syringe cap 6, and the piston body 1 is pulled, so that the tracer in the tracer bottle 5 enters the inner cavity of the syringe 3 under the negative pressure, the reagent filling is completed, and the time for filling the tracer is saved.
In one embodiment, the diameter of the liquid inlet pipe 31 is smaller than or equal to the thickness of the piston body 1. When the injection is finished, the tracer bottle 5 needs to be taken down and the tracer is put into the needle cylinder 3 again, so that external bacteria or dust particles can possibly enter the inner cavity of the needle cylinder 3 through the liquid inlet pipe 31 to cause pollution, and at the moment, the piston body 1 is positioned at the bottom of the inner cavity of the needle cylinder 3 and can prevent the external bacteria or dust particles from entering the inner cavity of the needle cylinder 3 through the liquid inlet pipe 31.
In one embodiment, the one-way valve 4 is located in the pipe of the liquid inlet pipe 31.
In the process of actually using the tracer injector by medical staff, the tracer amount required by some patients is large, and the condition that a plurality of bottles of tracer are provided can be met, and because the check valve 4 is positioned in the pipeline of the liquid inlet pipe 31, the position of the check valve 4 and the function of one-way circulation cannot be influenced when the tracer bottle 5 is replaced, so that the usability of the tracer injector is ensured.
In one embodiment, the tracer bottle 5 comprises a connecting tube 51, and the tracer bottle 5 is communicated with the inner cavity of the needle cylinder 3 through the connecting tube 51.
In one embodiment, the connection tube 51 is detachably connected to the syringe 3.
Preferably, the connection tube 51 is detachably connected to the cylinder 3 by a screw thread. Specifically, the surface of the connecting pipe 51 of the tracer bottle 5 is provided with threads, and the surface of the liquid inlet pipe 31 of the needle cylinder 3 is provided with threads matched with the threads on the surface of the connecting pipe 51, so that the connecting pipe 51 is movably connected with the needle cylinder 3 through the threads.
Preferably, the length of the connecting tube 51 can be selected according to the use requirement of medical staff, when the tracer bottle 5 is a large-volume bottle body, the tracer bottle 5 needs to be fixed on a liquid hanging rack, and the tracer bottle 5 needs to be communicated with the inner cavity of the syringe 3 through the connecting tube 51, specifically, one end of the connecting tube 51 is communicated with the tracer bottle 5, and the other end of the connecting tube 51 is communicated with the inner cavity of the syringe 3.
Preferably, the tracer bottle 5 is made of soft plastic. Has certain flexibility, and is convenient for transportation and storage.
In one embodiment, the piston body 1 is made of medical elastic rubber.
To sum up, the utility model discloses various shortcomings in the prior art have effectively been overcome and high industry value has.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. Tracer injector, characterized in that it comprises at least: the novel syringe comprises a syringe body (3), a syringe cap (6), a piston body (1) and a tracer bottle (5), wherein the syringe cap (6) is located at the liquid outlet end of the syringe body (3), the tracer bottle (5) is communicated with the inner cavity of the syringe body (3) through a one-way valve (4), and the piston body (1) is located in the inner cavity of the syringe body (3).
2. A tracer injector according to claim 1, wherein: the piston body (1) is provided with a shut-off valve (2), and the center axis of the shut-off valve (2) deviates from the center axis of the piston body (1).
3. A tracer injector according to claim 1, wherein: the piston body (1) is provided with a clamping groove matched with a clamping hook of a push rod of the high-pressure injection device.
4. A tracer injector according to claim 1, wherein: the needle cylinder (3) is provided with a liquid inlet pipe (31), the liquid inlet pipe (31) is positioned at the liquid outlet end of the needle cylinder (3), and the needle cylinder (3) is connected with the tracer bottle (5) through the liquid inlet pipe (31).
5. A tracer injector according to claim 4, wherein: the inner diameter of the liquid inlet pipe (31) is smaller than or equal to the thickness of the piston body (1).
6. A tracer injector according to claim 5, wherein: the one-way valve (4) is positioned in the pipeline of the liquid inlet pipe (31).
7. A tracer injector according to claim 1, wherein: the tracer bottle (5) comprises a connecting pipe (51), and the tracer bottle (5) is connected with the needle cylinder (3) through the connecting pipe (51).
8. A tracer injector according to claim 7, wherein: the connecting pipe (51) is detachably connected with the needle cylinder (3).
9. A tracer injector according to claim 1, wherein: the tracer bottle (5) is made of soft plastic.
10. A tracer injector according to claim 1, wherein: the piston body (1) is made of medical elastic rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022987654.1U CN214762593U (en) | 2020-12-10 | 2020-12-10 | Tracer agent syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022987654.1U CN214762593U (en) | 2020-12-10 | 2020-12-10 | Tracer agent syringe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214762593U true CN214762593U (en) | 2021-11-19 |
Family
ID=78711210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022987654.1U Expired - Fee Related CN214762593U (en) | 2020-12-10 | 2020-12-10 | Tracer agent syringe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214762593U (en) |
-
2020
- 2020-12-10 CN CN202022987654.1U patent/CN214762593U/en not_active Expired - Fee Related
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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: 20211119 |