CN220142395U - Injection device matched with catheter for combined application - Google Patents
Injection device matched with catheter for combined application Download PDFInfo
- Publication number
- CN220142395U CN220142395U CN202321366997.3U CN202321366997U CN220142395U CN 220142395 U CN220142395 U CN 220142395U CN 202321366997 U CN202321366997 U CN 202321366997U CN 220142395 U CN220142395 U CN 220142395U
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- China
- Prior art keywords
- quick
- fixedly connected
- catheter
- injection device
- wall
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- 238000002347 injection Methods 0.000 title claims abstract description 24
- 239000007924 injection Substances 0.000 title claims abstract description 24
- 230000000149 penetrating effect Effects 0.000 claims abstract description 8
- 239000003814 drug Substances 0.000 claims description 33
- 230000002485 urinary effect Effects 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 239000007788 liquid Substances 0.000 description 19
- 230000000903 blocking effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 201000004384 Alopecia Diseases 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 231100000360 alopecia Toxicity 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000003101 oviduct Anatomy 0.000 description 1
- 230000003405 preventing effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000002601 radiography Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model relates to the technical field of injection devices and discloses an injection device matched with a catheter for joint application, which comprises a catheter, wherein one end of the catheter is fixedly connected with an A quick connector, one end of the A quick connector is rotatably connected with a B quick connector, the inner wall of the B quick connector is provided with a thread groove, the inner thread of the thread groove is connected with a connecting pipe, one end of the connecting pipe is fixedly connected with a blunt short needle, the other end of the catheter is connected with a device pipe in a penetrating way, the inner part of the device pipe is fixedly connected with a baffle disc, and the inner wall of the baffle disc is provided with a round hole. This cooperation catheter joint application's injection device through the setting of A quick-operation joint, B quick-operation joint, connecting pipe and blunt short needle, makes at first with blunt short needle through connecting pipe threaded connection in B quick-operation joint's inner wall, then leads to connecting B quick-operation joint and A quick-operation joint, and the syringe needle can not contact the rubber tube and can not puncture the rubber tube this moment.
Description
Technical Field
The utility model relates to the technical field of injection devices, in particular to an injection device which is matched with a catheter for combined application.
Background
The catheter is applied to bladder or oviduct radiography, the medicine is always required to be injected inwards through the catheter, but the needle is easy to puncture the rubber hose to enable the medicine or saline to leak outwards, medical staff is required to break the needle and make alopecia in order to prevent the rubber hose from being punctured in long-term clinical application, otherwise, the puncture is required to be replaced with a tube in a troublesome mode.
At present, the injection device matched with the catheter for combined application on the market has the following defects:
(1) The needle head can puncture the rubber tube, otherwise, the tube needs to be replaced, thus causing unnecessary pain to the patient and easily causing the contradiction between doctors and patients;
(2) The drug may be back-flowed during injection to affect the therapeutic effect.
Accordingly, the present utility model provides an injection device for use in conjunction with a urinary catheter.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the utility model provides an injection device matched with a catheter for combined application, which solves the problems that the needle head provided in the background art possibly pierces a rubber tube and the medicine possibly generates reflux during injection to influence the treatment effect.
(II) technical scheme
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides an injection device of cooperation catheter joint application, includes the catheter, the one end fixedly connected with A quick-operation joint of catheter, the one end of A quick-operation joint rotates and is connected with B quick-operation joint, the screw thread groove has been seted up to the inner wall of B quick-operation joint, the inside threaded connection of screw thread groove has the connecting pipe, the one end fixedly connected with blunt tip short needle of connecting pipe, the other end through connection of catheter has the device pipe, the inside fixedly connected with fender dish of device pipe, the round hole has been seted up to the inner wall of fender dish;
optionally, a blocking ball is arranged in the device pipe, a limiting disc is fixedly connected to the inner wall of the device pipe, and a diversion port is formed in the inner wall of the limiting disc;
optionally, one end of the device tube is connected with a medicine guiding head in a penetrating way, and one end of the connecting tube is connected with a needle tube in a penetrating way;
optionally, the surface of the needle tube is provided with scale marks, and one end of the needle tube is fixedly connected with a baffle;
optionally, the inner wall of the needle tube is connected with a piston disc in a sliding manner, and one end of the piston disc is fixedly connected with a piston rod;
optionally, a pushing disc is fixedly connected with one end of the piston rod, and an anti-slip groove is arranged on the surface of the pushing disc.
(III) beneficial effects
The utility model provides an injection device matched with a catheter for joint application, which has the following beneficial effects:
1. this cooperation catheter joint application's injection device, through the setting of A quick-operation joint, B quick-operation joint, connecting pipe and blunt short needle, make at first with blunt short needle through connecting pipe threaded connection in B quick-operation joint's inner wall, then lead to connect B quick-operation joint and A quick-operation joint, the syringe needle can not contact the rubber tube and can not puncture the rubber tube and blunt short needle is blunt needle this moment, if medical personnel misoperation also can not stab bad rubber tube to increase practical effect.
2. This cooperation catheter joint application's injection device, through the setting of device pipe and fender dish, make when carrying out the medicine injection, the atmospheric pressure can strike and block the ball when the medicine is injected, blocks the ball whereabouts to the top of spacing dish and then the liquid medicine can flow from the water conservancy diversion mouth, if liquid medicine backward flow liquid medicine impact and block the ball, block the ball and support the round hole and make the unable backward flow of liquid medicine to reach the effect of backflow prevention.
Drawings
FIG. 1 is a schematic diagram of the overall split structure of the present utility model;
FIG. 2 is a schematic diagram of the overall structure of the present utility model;
FIG. 3 is a schematic view of the structure of a catheter according to the present utility model;
FIG. 4 is a schematic view of the tube structure of the device of the present utility model.
In the figure: 1. a urinary catheter; 2. a, a quick connector; 3. b, a quick connector; 4. a connecting pipe; 5. a blunt tip short needle; 6. an apparatus tube; 7. a baffle disc; 8. a blocking ball; 9. a limiting disc; 10. a medicine guiding head; 11. a needle tube; 12. a scale mark; 13. a baffle; 14. a piston disc; 15. a piston rod; 16. pushing the tray.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 4, the present utility model provides a technical solution: an injection device matched with a catheter for joint application comprises a catheter 1, wherein one end of the catheter 1 is fixedly connected with an A quick connector 2, one end of the A quick connector 2 is rotatably connected with a B quick connector 3, the inner wall of the B quick connector 3 is provided with a thread groove, the inner thread of the thread groove is connected with a connecting pipe 4, one end of the connecting pipe 4 is fixedly connected with a blunt tip short needle 5, the blunt tip short needle 5 is firstly connected with the inner wall of the B quick connector 3 through the threads of the connecting pipe 4 through the arrangement of the A quick connector 2, the B quick connector 3, the connecting pipe 4 and the blunt tip short needle 5, then the B quick connector 3 is connected with the A quick connector 2, at this moment, the needle cannot contact the rubber tube and cannot puncture the rubber tube, the blunt short needle 5 is a blunt needle, if the medical staff has misoperation, the rubber tube cannot be punctured, thereby increasing the practical effect, the other end of the catheter 1 is connected with the device tube 6 in a penetrating way, the baffle disc 7 is fixedly connected inside the device tube 6, the inner wall of the baffle disc 7 is provided with a round hole, and through the arrangement of the device tube 6 and the baffle disc 7, when the medicine is injected, the air pressure can strike the baffle ball 8 when the medicine is injected, the baffle ball 8 falls to the top of the limit disc 9, then the medicine liquid can flow out from the diversion port, if the medicine liquid flows back, the medicine liquid impacts the baffle ball 8, the baffle ball 8 props against the round hole, so that the medicine liquid cannot flow back, and the backflow preventing effect is achieved;
the inside of the device pipe 6 is provided with a blocking ball 8, the inner wall of the device pipe 6 is fixedly connected with a limiting disc 9, the inner wall of the limiting disc 9 is provided with a flow guide port, and the position of the blocking ball 8 can be limited by the arrangement of the limiting disc 9;
one end of the device tube 6 is connected with a medicine guide head 10 in a penetrating way, one end of the connecting tube 4 is connected with a needle tube 11 in a penetrating way, and the medicine liquid can be guided and injected through the arrangement of the medicine guide head 10;
the surface of the needle tube 11 is provided with a scale mark 12, the storage amount of the liquid medicine can be observed through the arrangement of the scale mark 12, and one end of the needle tube 11 is fixedly connected with a baffle 13;
the inner wall of the needle tube 11 is connected with a piston disc 14 in a sliding way, when the piston disc 14 moves leftwards due to the arrangement of the piston disc 14, the air in the needle tube 11 can be discharged, and one end of the piston disc 14 is fixedly connected with a piston rod 15;
one end of the piston rod 15 is fixedly connected with a push disc 16, and through the arrangement of the push disc 16, when the push disc 16 is pushed, the piston rod 15 can be driven to move the piston rod 15 to push the piston disc 14 to discharge air in the needle tube 11, and an anti-skid groove is arranged on the surface of the push disc 16.
In the utility model, the working steps of the device are as follows:
1. firstly, a blunt short needle 5 is inserted into a liquid medicine bottle, then a push disc 16 is pulled, the push disc 16 drives a piston rod 15 to move rightwards, and accordingly the piston disc 14 is driven to move rightwards, liquid medicine is extracted, and the storage amount of the liquid medicine is observed through an observation scale mark 12;
2. finally, the blunt short needle 5 is connected with the inner wall of the B quick connector 3 through the connecting pipe 4 in a threaded manner, the pushing disc 16 is pushed to push the liquid medicine by the piston disc 14 until the liquid medicine is conveyed to the connecting pipe 4, then the blunt short needle 5 is conveyed to the catheter 1 to guide the liquid medicine through the medicine guide head 10, and if the liquid medicine flows back, the liquid medicine impacts the blocking ball 8, the blocking ball 8 props against the round hole to enable the liquid medicine to be unable to flow back.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. An injection device for joint application with a urinary catheter, comprising a urinary catheter (1), characterized in that: one end fixedly connected with A quick-operation joint (2) of catheter (1), the one end of A quick-operation joint (2) is rotated and is connected with B quick-operation joint (3), the screw thread groove has been seted up to the inner wall of B quick-operation joint (3), the inside threaded connection of screw thread groove has connecting pipe (4), the one end fixedly connected with blunt tip short needle (5) of connecting pipe (4), the other end through connection of catheter (1) has device pipe (6), the inside fixedly connected with fender dish (7) of device pipe (6), the round hole has been seted up to the inner wall of fender dish (7).
2. An injection device for use in combination with a urinary catheter according to claim 1, wherein: the inside of device pipe (6) is provided with stops ball (8), the inner wall fixedly connected with limiting plate (9) of device pipe (6), the water conservancy diversion mouth has been seted up to the inner wall of limiting plate (9).
3. An injection device for use in combination with a urinary catheter according to claim 1, wherein: one end of the device tube (6) is connected with a medicine guiding head (10) in a penetrating way, and one end of the connecting tube (4) is connected with a needle tube (11) in a penetrating way.
4. An injection device for use in combination with a urinary catheter according to claim 3, wherein: the surface of needle tubing (11) is provided with scale mark (12), the one end fixedly connected with baffle (13) of needle tubing (11).
5. An injection device for use in combination with a urinary catheter according to claim 3, wherein: the inner wall of the needle tube (11) is connected with a piston disc (14) in a sliding manner, and one end of the piston disc (14) is fixedly connected with a piston rod (15).
6. An injection device for use in combination with a urinary catheter according to claim 5, wherein: one end of the piston rod (15) is fixedly connected with a pushing disc (16), and an anti-skid groove is formed in the surface of the pushing disc (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321366997.3U CN220142395U (en) | 2023-05-29 | 2023-05-29 | Injection device matched with catheter for combined application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321366997.3U CN220142395U (en) | 2023-05-29 | 2023-05-29 | Injection device matched with catheter for combined application |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220142395U true CN220142395U (en) | 2023-12-08 |
Family
ID=89022537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321366997.3U Active CN220142395U (en) | 2023-05-29 | 2023-05-29 | Injection device matched with catheter for combined application |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220142395U (en) |
-
2023
- 2023-05-29 CN CN202321366997.3U patent/CN220142395U/en active Active
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| GR01 | Patent grant |