CN221751973U - Bladder perfusion injector - Google Patents
Bladder perfusion injector Download PDFInfo
- Publication number
- CN221751973U CN221751973U CN202322053633.6U CN202322053633U CN221751973U CN 221751973 U CN221751973 U CN 221751973U CN 202322053633 U CN202322053633 U CN 202322053633U CN 221751973 U CN221751973 U CN 221751973U
- Authority
- CN
- China
- Prior art keywords
- connector
- needle
- injection cylinder
- catheter
- head
- 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.)
- Active
Links
- 230000010412 perfusion Effects 0.000 title claims abstract description 13
- 239000007788 liquid Substances 0.000 claims abstract description 32
- 238000002347 injection Methods 0.000 claims abstract description 23
- 239000007924 injection Substances 0.000 claims abstract description 23
- 239000003814 drug Substances 0.000 abstract description 25
- 230000002485 urinary effect Effects 0.000 description 6
- 229940079593 drug Drugs 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 230000002262 irrigation Effects 0.000 description 3
- 238000003973 irrigation Methods 0.000 description 3
- 231100000433 cytotoxic Toxicity 0.000 description 2
- 230000001472 cytotoxic effect Effects 0.000 description 2
- 210000002445 nipple Anatomy 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 210000004881 tumor cell Anatomy 0.000 description 2
- 206010015866 Extravasation Diseases 0.000 description 1
- 102000014150 Interferons Human genes 0.000 description 1
- 108010050904 Interferons Proteins 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 208000028990 Skin injury Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000036251 extravasation Effects 0.000 description 1
- 229960003444 immunosuppressant agent Drugs 0.000 description 1
- 230000001861 immunosuppressant effect Effects 0.000 description 1
- 239000003018 immunosuppressive agent Substances 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 230000015788 innate immune response Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 229940079322 interferon Drugs 0.000 description 1
- 230000007794 irritation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a bladder perfusion injector, comprising: the injection device comprises an injection cylinder body and a suction device, one end of the injection cylinder body is provided with a suction head, and the suction device is inserted into the injection cylinder body from the other end; the connector comprises a connecting first end and a connecting second end, a connecting cavity is arranged in the connector, the suction head is connected with the first end of the connector, and the outer diameter of the connector is matched with the inner diameter of the liquid inlet of the catheter; the needle head comprises a needle body and a needle connecting piece fixed on the needle body, and the needle connecting piece is detachably connected with the second end of the connector. When the liquid medicine is required to be extracted, the needle head is connected to the connector, the connector is connected to the suction head, then the needle body of the needle head is inserted into the liquid medicine, then the liquid medicine is sucked into the injection cylinder, then the needle head is disassembled, then the connector is inserted into the liquid inlet of the catheter, and the liquid medicine of the injection cylinder is injected into the catheter, so that the operation is very convenient.
Description
Technical Field
The utility model belongs to the technical field of medical instruments, and particularly relates to a bladder perfusion injector.
Background
Bladder perfusion treatment is to inject cytotoxic drugs into the bladder to directly kill tumor cells or immunosuppressant (such as BCG, interferon, etc.) to directly kill tumor cells or induce in vivo nonspecific immune response, thereby reducing the risk of tumor recurrence and progression. The bladder perfusion treatment can be used independently, can also be used as a local auxiliary treatment means after transurethral surgery, has little influence on organisms, has higher patient acceptance, and is one of the most common operations of the current urinary surgery.
The medicine for bladder perfusion is prepared by sucking the medicine liquid by a 50ML syringe at a configuration center, and delivering the medicine liquid to the floor of a disease area, and the doctor pumps the medicine liquid into a catheter.
Because the liquid inlet of the catheter joint is not matched with the nipple of the needle cylinder, the nipple of the injector is not tightly connected with the catheter joint. The frequency of accidents such as liquid medicine leakage is high, the operation is very troublesome, for example, the risk of extravasation of cytotoxic drugs is very high, the complications such as drug irritation and even skin injury are increased, the liquid medicine waste can also lead to the reduction of satisfaction, and even complaint and disputes occur.
Disclosure of utility model
The utility model aims to provide a bladder perfusion injector which can facilitate the injection of liquid medicine into a catheter.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a bladder perfusion syringe, comprising:
The injection device comprises an injection cylinder body and a suction device, wherein one end of the injection cylinder body is provided with a suction head, and the suction device is inserted into the injection cylinder body from the other end;
The connector comprises a connecting first end and a connecting second end, a connecting cavity is arranged in the connector, the suction head is connected with the first end of the connector, and the outer diameter of the connector is matched with the inner diameter of the liquid inlet of the catheter;
the needle head comprises a needle body and a needle connecting piece fixed on the needle body, and the needle connecting piece is detachably connected with the second connecting end of the connector.
Further, a first connecting sleeve is fixed at the first connecting end of the connector, a first inner hole of the first connecting sleeve is communicated with the connecting cavity, and the suction head is inserted into the first inner hole.
Further, a second connecting sleeve is fixed at the second connecting end of the connector, a second inner hole of the second connecting sleeve is communicated with the connecting cavity, a connecting jack is arranged on the needle connecting piece, and the second connecting sleeve is spliced with the connecting jack.
Further, the suction device comprises a piston and a suction rod fixed on the piston, and the piston is spliced with the inner wall of the syringe body.
Further, the connector is shaped as a cone.
Compared with the prior art, the utility model has the beneficial effects that:
(1) When the liquid medicine is required to be extracted, the needle head is connected to the connector, the connector is connected to the suction head, then the needle body of the needle head is inserted into the liquid medicine, then the liquid medicine is sucked into the injection cylinder, when the liquid medicine in the injection cylinder is required to be poured into the catheter, the needle head is only required to be detached, then the connector is inserted into the liquid inlet of the catheter, and then the suction device is pushed in, so that the liquid medicine of the injection cylinder is injected into the catheter, and the operation is very convenient;
(2) The connector can be connected with the catheter and the syringe and also can be connected with the needle, so that the existing syringe and needle are not required to be changed, and the cost is saved;
(3) The connector is matched with the liquid inlet of the catheter, so that the condition of liquid medicine leakage can not occur.
Drawings
FIG. 1 is a schematic illustration of a catheter configuration;
FIG. 2 is a schematic diagram of the bladder irrigation syringe of the present utility model;
FIG. 3 is an enlarged view of a portion of the portion I of FIG. 2;
FIG. 4 is a cross-sectional view of a bladder irrigation syringe of the present utility model;
FIG. 5 is an enlarged view of a portion of the portion at II in FIG. 4;
fig. 6 is an exploded view of the bladder irrigation syringe of the present utility model.
In the figure: 1. a syringe body; 2. a suction device; 3. a suction head; 4. connecting the first end; 5. connecting the second end; 6. connecting the accommodating cavity; 7. a urinary catheter; 8. a liquid inlet; 9. a needle; 10. a needle body; 11. a needle connection; 12. a first connecting sleeve; 13. a second connecting sleeve; 14. a connection jack; 15. a piston; 16. a pull rod; 17. a connector; 18. a first bore; 19. a second bore.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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. 1-6, the present utility model provides a solution for a bladder perfusion injector.
A bladder perfusion syringe, comprising:
The injection device comprises an injection cylinder 1 and a suction device 2, wherein one end of the injection cylinder 1 is provided with a suction head 3, the suction device 2 is inserted into the injection cylinder 1 from the other end, the suction device 2 comprises a piston 15 and a drawing rod 16 fixed on the piston 15, and the piston 15 is spliced with the inner wall of the injection cylinder 1;
The connector 17, the connector 17 includes connecting the first end 4 and connecting the second end 5, there is a connecting cavity 6 in the connector 17, the suction head 3 is connected with first end of the connector 17, the external diameter of the connector 17 is adapted with internal diameter of the liquid inlet 8 of the urinary catheter 7, namely the external diameter of the connector 17 is equal to or slightly greater than the internal diameter of the liquid inlet 8 of the urinary catheter 7;
Needle 9, needle 9 comprising a needle body 10 and a needle connector 11 fixed to needle body 10, needle connector 11 being detachably connected to the second connecting end 5 of connector 17.
When the liquid medicine is required to be extracted, the needle 9 is connected to the connector 17, the connector 17 is connected to the suction head 3, then the needle body 10 of the needle 9 is inserted into the liquid medicine, and then the liquid medicine is sucked into the syringe body 1 through the drawing and sucking device 2, so that the suction of the liquid medicine is completed. When it is desired to introduce the medical fluid in the syringe body 1 into the catheter 7, it is only necessary to detach the needle 9, then insert the connector 17 into the fluid inlet 8 of the catheter 7, and then push the suction device 2, thereby injecting the medical fluid in the syringe body 1 into the catheter 7.
The connector 17 can be used for connecting the catheter 7 and the syringe and also connecting the needle 9, so that the existing syringe and needle 9 do not need to be changed, and the cost is saved quite. In addition, the connector 17 is matched with the liquid inlet 8 of the catheter 7, so that the condition of liquid medicine leakage can not occur.
The first connecting sleeve 12 is fixed at the first connecting end 4 of the connector 17, the first inner hole 18 of the first connecting sleeve 12 is communicated with the connecting cavity 6, and the suction head 3 and the first inner hole 18 are spliced, so that the suction head 3 and the first connecting sleeve 12 of the connector 17 are connected together.
The second connecting sleeve 13 is fixed at the second connecting end 5 of the connector 17, the second inner hole 19 of the second connecting sleeve 13 is communicated with the connecting cavity 6, the connecting jack 14 is arranged on the needle connecting piece 11, the second connecting sleeve 13 is spliced with the connecting jack 14, so that the needle connecting piece 11 and the second connecting sleeve 13 are connected together, and when the needle head 9 needs to be disassembled, only the second connecting sleeve 13 needs to be pulled out from the connecting jack 14.
The shape of the connector 17 is arranged as a cone, which facilitates the insertion of the connector 17 into the inlet opening 8 of the urinary catheter 7 until the outer diameter of the connector 17 is in close fit with the inlet opening 8 of the urinary catheter 7.
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 (2)
1. A bladder perfusion syringe, comprising:
The injection device comprises an injection cylinder body and a suction device, wherein one end of the injection cylinder body is provided with a suction head, and the suction device is inserted into the injection cylinder body from the other end;
The connector comprises a connecting first end and a connecting second end, a connecting cavity is arranged in the connector, the suction head is connected with the first end of the connector, and the outer diameter of the connector is matched with the inner diameter of the liquid inlet of the catheter;
The needle head comprises a needle body and a needle connecting piece fixed on the needle body, and the needle connecting piece is detachably connected with the second connecting end of the connector;
A first connecting sleeve is fixed at the first connecting end of the connector, a first inner hole of the first connecting sleeve is communicated with the connecting cavity, and the suction head is spliced with the first inner hole;
A second connecting sleeve is fixed at the second connecting end of the connector, a second inner hole of the second connecting sleeve is communicated with the connecting cavity, a connecting jack is arranged on the needle connecting piece, and the second connecting sleeve is spliced with the connecting jack;
The shape of the connector is set to be conical.
2. A bladder perfusion syringe according to claim 1, wherein the aspiration means comprises a piston and an aspiration rod secured to the piston, the piston being inserted into the inner wall of the syringe barrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322053633.6U CN221751973U (en) | 2023-08-02 | 2023-08-02 | Bladder perfusion injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322053633.6U CN221751973U (en) | 2023-08-02 | 2023-08-02 | Bladder perfusion injector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221751973U true CN221751973U (en) | 2024-09-24 |
Family
ID=92783935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322053633.6U Active CN221751973U (en) | 2023-08-02 | 2023-08-02 | Bladder perfusion injector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221751973U (en) |
-
2023
- 2023-08-02 CN CN202322053633.6U patent/CN221751973U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |