CN216169171U - High-pressure syringe with rotatable piston and bubble for CT - Google Patents
High-pressure syringe with rotatable piston and bubble for CT Download PDFInfo
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- CN216169171U CN216169171U CN202121712745.2U CN202121712745U CN216169171U CN 216169171 U CN216169171 U CN 216169171U CN 202121712745 U CN202121712745 U CN 202121712745U CN 216169171 U CN216169171 U CN 216169171U
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- 238000000034 method Methods 0.000 claims abstract description 10
- 238000002347 injection Methods 0.000 abstract description 5
- 239000007924 injection Substances 0.000 abstract description 5
- 230000002411 adverse Effects 0.000 abstract description 3
- 239000002872 contrast media Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000002059 diagnostic imaging Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000036285 pathological change Effects 0.000 description 1
- 231100000915 pathological change Toxicity 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000003772 radiology diagnosis Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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Abstract
The utility model relates to a high-pressure injector with a piston capable of rotating to remove bubbles for CT, which comprises a needle cylinder, wherein one end of the needle cylinder is provided with needles which are mutually communicated, and the other end of the needle cylinder is provided with a piston cylinder in a cavity; an exhaust part is arranged at one end of the piston cylinder positioned in the cavity, and a piston handle is arranged at one end of the piston cylinder far away from the needle cylinder; the exhaust part is rotationally connected with the piston cylinder; the exhaust part comprises a micro motor arranged in the piston cylinder, and the micro motor is arranged on the base; the base is connected with the inner wall of the piston cylinder, and the micro motor and the base are fixed with each other through a fixing belt; a rotating shaft is arranged at the output end of the micro motor, and a first gear is arranged at one end of the rotating shaft, which is far away from the micro motor; the first gear is engaged with a second gear which is rotationally connected with the piston cylinder. The injector can discharge bubbles on the inner wall of the injector in the injection process so as to prevent small bubbles in the injector from being injected into a patient, thereby causing adverse consequences.
Description
Technical Field
The utility model relates to the field of medical supplies, in particular to a high-pressure syringe with a rotatable piston and bubbles for CT.
Background
The radiology department is an important auxiliary examination department of a hospital, in the construction of modern hospitals, the radiology department is a department integrating examination, diagnosis and treatment, and many diseases of clinical departments need to be clearly diagnosed and auxiliary diagnosed through equipment examination of the radiology department. The high-pressure injector is used as an auxiliary device in a radiology diagnosis and treatment system, and is gradually applied clinically along with the technical development of X-rays, a rapid film changer, an image intensifier, an artificial contrast agent and the like. The high-pressure injector has the basic function that a sufficient amount of high-concentration X-ray contrast medium is quickly and accurately injected to an examination part through percutaneous puncture entering a blood vessel or an original pore passage of a human body within a certain time, so that diagnostic imaging and treatment can be carried out on a pathological change part.
The high pressure syringe brand that present radiology department used is various, but in actual clinical application, can appear having the bubble absorption in the cylinder when extraction normal saline or contrast medium at the cylinder inner wall, uses external force to shake or the difficult clearance of finger bullet, can cause at the in-process of propelling movement medicine, with some small bubbles push internally, can produce serious bad consequence when serious.
In order to solve the problems, the utility model provides a high-pressure injector with a rotatable piston and bubbles for CT.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a piston-removable bubble-removing high-pressure injector for CT, which can discharge bubbles on the inner wall of the injector in the injection process so as to prevent small bubbles in the injector from being injected into a patient and further cause adverse effects.
In order to achieve the purpose, the utility model provides the following technical scheme:
a high-pressure injector with a rotatable piston and bubbles for CT comprises a needle cylinder, wherein the needle cylinder is of a cavity structure; one end of the needle cylinder is provided with needles which are communicated with each other, and the other end of the needle cylinder is provided with a piston cylinder in the cavity; an exhaust part is arranged at one end of the piston cylinder positioned in the cavity, and a piston handle is arranged at one end of the piston cylinder far away from the needle cylinder; the exhaust part is rotatably connected with the piston cylinder.
Further, the diameter of the exhaust part is larger than that of the piston cylinder.
Furthermore, the exhaust part comprises a micro motor arranged in the piston cylinder, and the micro motor is arranged on the base; the base is connected with the inner wall of the piston cylinder, and the micro motor and the base are fixed with each other through a fixing belt; a rotating shaft is arranged at the output end of the micro motor, and a first gear is arranged at one end of the rotating shaft, which is far away from the micro motor; the first gear is meshed with a second gear which is rotationally connected with the piston cylinder; a storage battery is arranged in the piston cylinder; and a switch button is arranged at one end of the piston handle, which is far away from the piston cylinder, and the micro motor, the storage battery and the switch button are electrically connected.
Further, the second gear is an internal gear.
Furthermore, a connecting ring is arranged on the side surface of the second gear, and a limiting ring is arranged at one end, far away from the second gear, of the connecting ring; the limiting ring is arranged inside the side wall of the piston cylinder, and the limiting ring is rotatably arranged inside the side wall of the piston cylinder.
Further, the second gear and the connecting ring are perpendicular to each other.
Compared with the prior art, the utility model has the beneficial effects that:
through the rotation connection between exhaust portion and the piston cylinder in this syringe for exhaust portion rotates at the exhaust in-process of syringe, discharges the adnexed small bubble on the syringe inner wall in the rotation in-process of exhaust portion, thereby avoids injecting the small bubble into the patient internal, thereby causes bad consequence.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model.
In the drawings:
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is an enlarged view taken at A in the present invention;
fig. 4 is a diagram showing the meshing relationship between the first gear and the second gear in the present invention.
In the figure: 1. a needle head; 2. a needle cylinder; 3. a switch button; 4. a piston handle; 5. a piston cylinder; 6. an exhaust section; 7. a micro motor; 8. a rotating shaft; 9. fixing belts; 10. a base; 11. a limiting ring; 12. a first gear; 13. a storage battery; 14. a second gear; 15. and (7) connecting rings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The utility model provides the following technical scheme:
as shown in the figure, the first and second,
example 1:
a piston-rotatable bubble-removing high-pressure injector for CT comprises a needle cylinder 2, wherein the needle cylinder 2 is of a cavity structure; one end of the needle cylinder 2 is provided with needles 1 which are communicated with each other, and the other end is provided with a piston cylinder 5 in the cavity; an exhaust part 6 is arranged at one end of the piston cylinder 5 positioned in the cavity, and a piston handle 4 is arranged at one end of the piston cylinder 5 far away from the needle cylinder 2; the exhaust part 6 is rotatably connected with the piston cylinder 5. The connection and arrangement relationship among the needle head 1, the needle cylinder 2, the piston cylinder 5 and the piston handle 4 in the utility model is the prior art, and the structure which can realize the injection function can be the structure in the utility model; the rotary connection between the exhaust part 6 and the piston cylinder 5 can be that the diameter of the contact part of the exhaust part 6 and the piston cylinder 5 is the same as that of the piston cylinder 5, or the diameter of the contact part of the exhaust part 6 and the piston cylinder 5 is larger than that of the piston cylinder 5; similarly, the joint between the exhaust part 6 and the piston cylinder 5 may be provided on the inner wall of the piston cylinder 5, or the joint between the exhaust part 6 and the piston cylinder 5 may be provided inside the side wall of the piston cylinder 5.
Example 2:
further, the diameter of the portion of the exhaust portion 6 in contact with the piston cylinder 5 is larger than the diameter of the piston cylinder 5. This arrangement is easier in pushing the piston cylinder 5 at the time of injection, and if the airtightness is taken into consideration, a soft gasket or a seal gasket for sealing may be provided on the circumference of the exhaust portion 6.
Further, the piston cylinder 5 is of a cavity structure; the exhaust part 6 comprises a micro motor 7 arranged in the cavity of the piston cylinder 5, and the micro motor 7 is arranged on the base 10; the base 10 and the inner wall of the piston cylinder 5 are connected with each other, the connection here is a fixed connection, so that the micro motor 7 is fixed in the piston cylinder 5, and the micro motor 7 and the base 10 are fixed with each other through a fixing belt 9; a rotating shaft 8 is arranged at the output end of the micro motor 7, and a first gear 12 is arranged at one end of the rotating shaft 8, which is far away from the micro motor 7; the first gear 12 is engaged with the second gear 14, the second gear 14 is rotatably connected with the piston cylinder 5, one end of the second gear 14, which is far away from the rotating shaft 8, is of a closed structure, in order to satisfy the effect of exhausting the air in the syringe 2, the closed structure may be a cone or a cylinder, and the specific shape may be determined as required (or the second gear 14 is a cylinder, one end of the second gear 14, which is located at the rotating shaft 8, is provided with an opening, the opening is provided with a latch which is mutually concentric with the first gear 12, and one end of the second gear 14, which is far away from the rotating shaft 8, may be provided with another cone structure); a storage battery 13 is arranged inside the piston cylinder 5; and one end of the piston handle 4, which is far away from the piston cylinder 5, is provided with a switch button 3, and the micro motor 7, the storage battery 13 and the switch button 3 are electrically connected.
Example 3:
further, the second gear 14 is an internal gear. The first gear 12 and the second gear 14 form a planetary gear structure therebetween.
Further, a connecting ring 15 is arranged on the side surface of the second gear 14, and a limit ring 11 is arranged at one end, away from the second gear 14, of the connecting ring 15; the end part of the piston cylinder 5, which is positioned in the needle cylinder 2, is inwards sunken to form a sunken part, the limit ring 11 is arranged in the sunken part of the side wall of the piston cylinder 5, and the limit ring 11 is in clearance fit with the sunken part, so that the limit ring 11 is rotatably arranged inside the side wall of the piston cylinder 5.
Further, the second gear 14 and the connecting ring 15 are perpendicular to each other.
According to the structure, the specific working principle is as follows:
when the injector needs to be used, firstly, the liquid is sucked into the needle cylinder 2; then discharging redundant air in the needle cylinder 2 out of the needle cylinder 2, in the air discharging process, turning on the switch button 3, supplying power to the micro motor 7 by the storage battery 13, starting the micro motor 7 to work, so that the output end of the micro motor 7 drives the rotating shaft 8 to rotate, the rotating shaft 8 drives the first gear 12 to rotate in the rotating process, the second gear 14 meshed with the first gear 12 rotates along with the rotating, and the second gear 14 discharges residual air bubbles on the inner wall of the needle cylinder 2 and redundant air in the needle cylinder 2 out of the needle cylinder 2 in the rotating process until all the air is discharged out of the needle cylinder 2; finally, the needle 1 is inserted into the body of the patient, and the liquid in the syringe 2 is injected into the body of the patient.
The utility model aims to provide a piston-removable bubble-removing high-pressure injector for CT, which can discharge bubbles on the inner wall of the injector in the injection process so as to prevent small bubbles in the injector from being injected into a patient and further cause adverse effects.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A piston-rotatable bubble-removing high-pressure injector for CT comprises a needle cylinder (2), wherein the needle cylinder (2) is of a cavity structure; one end of the needle cylinder (2) is provided with needles (1) which are communicated with each other, and the other end is provided with a piston cylinder (5) in the cavity; the method is characterized in that: an exhaust part (6) is arranged at one end of the piston cylinder (5) positioned in the cavity, and a piston handle (4) is arranged at one end of the piston cylinder (5) far away from the needle cylinder (2); the exhaust part (6) is rotatably connected with the piston cylinder (5).
2. The piston-rotatable bubble-removing high-pressure injector for CT of claim 1, wherein: the diameter of the exhaust part (6) is larger than that of the piston cylinder (5).
3. A piston-rotatable bubble-removing high-pressure syringe for CT according to claim 1 or 2, characterized in that: the exhaust part (6) comprises a micro motor (7) arranged in the piston cylinder (5), and the micro motor (7) is arranged on the base (10); the base (10) is connected with the inner wall of the piston cylinder (5), and the micro motor (7) and the base (10) are fixed with each other through a fixing belt (9); a rotating shaft (8) is arranged at the output end of the micro motor (7), and a first gear (12) is arranged at one end, far away from the micro motor (7), of the rotating shaft (8); a second gear (14) is meshed with the first gear (12), and the second gear (14) is rotationally connected with the piston cylinder (5); a storage battery (13) is arranged in the piston cylinder (5); one end of the piston handle (4) far away from the piston cylinder (5) is provided with a switch button (3), and the micro motor (7), the storage battery (13) and the switch button (3) are electrically connected.
4. A piston-rotatable bubble-removing high-pressure syringe for CT according to claim 3, wherein: the second gear (14) is an internal gear.
5. The piston-rotatable bubble-removing high-pressure injector for CT as claimed in claim 4, wherein: a connecting ring (15) is arranged on the side surface of the second gear (14), and a limiting ring (11) is arranged at one end, far away from the second gear (14), of the connecting ring (15); the limiting ring (11) is arranged inside the side wall of the piston cylinder (5), and the limiting ring (11) is rotatably arranged inside the side wall of the piston cylinder (5).
6. The piston-rotatable bubble-removing high-pressure injector for CT as claimed in claim 5, wherein: the second gear (14) and the connecting ring (15) are perpendicular to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121712745.2U CN216169171U (en) | 2021-07-27 | 2021-07-27 | High-pressure syringe with rotatable piston and bubble for CT |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121712745.2U CN216169171U (en) | 2021-07-27 | 2021-07-27 | High-pressure syringe with rotatable piston and bubble for CT |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216169171U true CN216169171U (en) | 2022-04-05 |
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ID=80895400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121712745.2U Active CN216169171U (en) | 2021-07-27 | 2021-07-27 | High-pressure syringe with rotatable piston and bubble for CT |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216169171U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116870088A (en) * | 2023-07-19 | 2023-10-13 | 河南和济堂生物科技有限公司 | Sustained-release gynecological gel and syringe thereof |
-
2021
- 2021-07-27 CN CN202121712745.2U patent/CN216169171U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116870088A (en) * | 2023-07-19 | 2023-10-13 | 河南和济堂生物科技有限公司 | Sustained-release gynecological gel and syringe thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Sun Deming Inventor after: He Mao Inventor before: He Mao |