CN216876504U - Blood vessel thrombolysis device - Google Patents
Blood vessel thrombolysis device Download PDFInfo
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- CN216876504U CN216876504U CN202122995724.2U CN202122995724U CN216876504U CN 216876504 U CN216876504 U CN 216876504U CN 202122995724 U CN202122995724 U CN 202122995724U CN 216876504 U CN216876504 U CN 216876504U
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Abstract
The utility model discloses a blood vessel thrombolysis device, which comprises a liquid medicine supply mechanism, a micro-injection pump, an intermediate switching valve and a thrombolysis catheter, wherein the intermediate switching valve is provided with a first interface, a second interface and a third interface which are mutually communicated, a liquid medicine supply pipe is connected between the first interface of the intermediate switching valve and the liquid medicine supply mechanism, an injection pipe is connected between the second interface of the intermediate switching valve and the micro-injection pump, and the third interface of the intermediate switching valve is connected with the thrombolysis catheter. The utility model can replace medical staff to finish the injection of the thrombolytic liquid medicine, realizes the mode of continuous pulse administration, has accurate injection, can achieve standardization and obtains the best treatment effect.
Description
Technical Field
The utility model relates to the technical field of medical instruments, in particular to a blood vessel thrombolysis device.
Background
In the clinical treatment of vascular diseases, especially for thrombotic diseases, a special catheter (such as a thrombolysis catheter) is often placed at the position of a thrombus block in a blood vessel under a minimally invasive surgery, and a thrombolysis medicament (such as urokinase) is delivered into the blood vessel through the catheter to contact with thrombus, so that the purpose of dissolving thrombus is achieved. At present, in the real work, the mode of dosing has the micropump pump to annotate, or medical personnel inject through the syringe is manual, however research shows that the mode of dosing of "last + micropump pump is annotated" can reach better thrombolytic effect, but this kind of mode of dosing needs manual completion at present, the syringe supplement thrombolysis medicine all need be lifted off at every injection of micropump, this mode both increases the pollution risk, increase personnel's work burden again, in addition because manual operation, it doses to reach accurate timing ration hardly, can't form the standardization.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems in the prior art, the present invention aims to provide a vascular thrombolysis device which can replace the manual liquid medicine injection in the prior art to realize a continuous pulse administration mode.
In order to achieve the purpose, the utility model adopts the following technical scheme: a blood vessel thrombolysis device comprises a liquid medicine supply mechanism, a micro-injection pump, an intermediate switching valve and a thrombolysis catheter, wherein the intermediate switching valve is provided with a first interface, a second interface and a third interface which are communicated with each other, a liquid medicine supply pipe is connected between the first interface of the intermediate switching valve and the liquid medicine supply mechanism, an injection pipe is connected between the second interface of the intermediate switching valve and the micro-injection pump, and the third interface of the intermediate switching valve is connected with the thrombolysis catheter.
As an optional mode of the above technical solution, the chemical liquid supply tube is provided with a first check valve.
As an optional mode of the above technical solution, a second one-way valve is provided on the thrombolytic catheter.
As an optional mode of the above technical solution, the intermediate switching valve is a three-way switching valve.
As an optional mode of the above technical solution, the liquid medicine supply mechanism includes a liquid medicine storage container and an infusion pump, and two ends of the infusion pump are respectively communicated with the liquid medicine storage container and the liquid medicine supply pipe.
As an optional mode of the above technical scheme, the micro-injection pump comprises a pump body, wherein a mounting seat is arranged on the pump body, an injector is arranged on the mounting seat, the injector is connected with an injection tube, and a driving mechanism is arranged on the pump body and used for driving an injection rod of the injector to move.
As an optional mode of the above technical scheme, the driving mechanism includes a driving motor, an output end of the driving motor is connected with a screw rod, the screw rod is provided with a threaded sleeve, the threaded sleeve is connected with a fixed seat, and the fixed seat is connected with an injection rod of the injection tube.
As an optional mode of the technical scheme, the mounting seat is provided with two injectors with different volumes, and the pump body is provided with two sets of driving mechanisms which are respectively used for driving the injection rods of the two injectors to move.
As an optional mode of the above technical solution, the middle switching valve is a four-way switching valve, the four-way switching valve is provided with a fourth interface, one of the injectors is communicated with the third interface, and the other injector is communicated with the fourth interface.
The utility model has the beneficial effects that:
the utility model provides a blood vessel thrombolysis device, when thrombolysis liquid medicine needs to be injected into a human blood vessel, a middle switching valve controls a second interface and a third interface to be communicated, meanwhile, a first interface is closed, and a micro-injection pump injects the thrombolysis liquid medicine into the human blood vessel through an injection tube and a thrombolysis catheter; when the thrombolytic liquid medicine of the micro-syringe pump is used up, the middle switching valve controls the first interface to be communicated with the second interface, the third interface is sealed, the liquid medicine supply mechanism supplements the thrombolytic liquid medicine to the micro-syringe pump through the liquid medicine supply pipe and the injection pipe, after the supplementation of the thrombolytic liquid medicine is finished, the middle switching valve controls the second interface to be communicated with the third interface, and the circulation is carried out, so that the continuous injection of the thrombolytic liquid medicine is realized. The utility model can replace medical personnel to finish the injection of the thrombolytic liquid medicine, realizes the mode of continuous pulse administration, has accurate injection, can reach the standardization and obtains the optimal treatment effect.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic view of a micro syringe pump according to an embodiment of the present invention.
In the figure: 1-a micro-syringe pump; 2-intermediate switching valve; 3-a thrombolytic catheter; 4-a first interface; 5-a second interface; 6-a third interface; 7-a liquid medicine supply pipe; 8-an injection tube; 9-a first one-way valve; 10-a second one-way valve; 11-a liquid medicine storage container; 12-an infusion pump; 13-a pump body; 14-a mounting seat; 15-a syringe; 16-fixed seat.
Detailed Description
Examples
As shown in fig. 1 and 2, the present embodiment provides a blood vessel thrombolysis device, which includes a drug solution supply mechanism, a micro syringe pump 1, an intermediate switching valve 2 and a thrombolysis catheter 3, wherein the drug solution supply mechanism is used for supplying a thrombolysis drug solution, such as urokinase, etc., the micro syringe pump 1 is used for realizing continuous injection of the thrombolysis drug solution, the thrombolysis catheter 3 is communicated with a blood vessel of a human body and is used for inputting the thrombolysis drug solution into the blood vessel of the human body, and the thrombolysis drug solution is contacted with thrombus of the blood vessel, thereby achieving the purpose of thrombolysis. The utility model utilizes the micro-injection pump 1 to spray the thrombolytic liquid medicine to macerate the thrombus, increase the contact area of the thrombus and the thrombolytic liquid medicine and improve the thrombolytic speed; since the thrombolytic drug solution is localized in the thrombus, the dilution effect, systemic effect and plasmin inhibitor effect in plasma are minimized.
The intermediate switching valve 2 is provided with a first interface 4, a second interface 5 and a third interface 6 which are communicated with each other, a liquid medicine supply pipe 7 is connected between the first interface 4 of the intermediate switching valve 2 and the liquid medicine supply mechanism, an injection pipe 8 is connected between the second interface 5 of the intermediate switching valve 2 and the micro-injection pump 1, and the third interface 6 of the intermediate switching valve 2 is connected with the thrombolytic catheter 3. Preferably, the intermediate switching valve 2 is a three-way switching valve. When the thrombolytic liquid medicine needs to be injected into a human blood vessel, the middle switching valve 2 controls the second interface 5 to be communicated with the third interface 6, the first interface 4 is closed, and the micro-injection pump 1 injects the thrombolytic liquid medicine into the human blood vessel through the injection tube 8 and the thrombolytic catheter 3; when the thrombolytic drug liquid of the micro-syringe pump 1 is used up, the middle switching valve 2 controls the first interface 4 to be communicated with the second interface 5, meanwhile, the third interface 6 is closed, the drug liquid supply mechanism supplies the thrombolytic drug liquid to the micro-syringe pump 1 through the drug liquid supply pipe 7 and the injection pipe 8, after the thrombolytic drug liquid is supplied, the middle switching valve 2 controls the second interface 5 to be communicated with the third interface 6, and the circulation is carried out, so that the continuous injection of the thrombolytic drug liquid is realized.
In this embodiment, the first check valve 9 is provided in the chemical liquid supply tube 7 so that the thrombolytic chemical liquid can be supplied only from the first port 4. The thrombolysis catheter 3 is provided with a second one-way valve 10, so that the thrombolysis liquid medicine can be only output from the third interface 6.
Preferably, the medical fluid supply mechanism comprises a medical fluid storage container 11 and an infusion pump 12, and two ends of the infusion pump 12 are respectively communicated with the medical fluid storage container 11 and the medical fluid supply pipe 7. The drug solution storage container 11 can store a large amount of thrombolytic drug solution, and the infusion pump 12 can supply the thrombolytic drug solution to the micro-syringe 1, thereby ensuring the continuous infusion of the thrombolytic drug solution.
As shown in fig. 2, in this embodiment, the micro syringe pump 1 includes a pump body 13, a mounting seat 14 is provided on the pump body 13, a syringe 15 is provided on the mounting seat 14, the syringe 15 is connected to the syringe 8, and the pump body 13 is provided with a driving mechanism for driving an injection rod of the syringe 15 to move. The drive mechanism comprises a drive motor, the output end of the drive motor is connected with a screw rod, a threaded sleeve is arranged on the screw rod, the threaded sleeve is connected with a fixed seat 16, and the fixed seat 16 is connected with an injection rod of the injection tube 8.
As an alternative, the mounting seat 14 is provided with two syringes 15 with different capacities, and the pump body 13 is provided with two sets of driving mechanisms, which are respectively used for driving the injection rods of the two syringes 15 to move. The middle switching valve 2 is a four-way switching valve which is provided with a fourth interface, wherein one injector 15 is communicated with the third interface 6, and the other injector 15 is communicated with the fourth interface. Two syringes 15 of different capacity may be used with a 20ml (or 50ml) syringe 15 in cooperation with a 1ml syringe 15. Because the administration pressure of the existing micro-injection pump 1 is lower, the micro-injection pump 1 is difficult to achieve a better thrombolytic medicine liquid injection effect for a syringe 15 with a larger capacity, such as a 20ml or 50ml syringe 15. Therefore, the utility model designs two injectors 15 with different capacities, and the two injectors 15 alternately spray the medicine in a pulse mode, so that the thrombolytic effect can be greatly improved.
The utility model provides a blood vessel thrombolysis device, when thrombolysis liquid medicine needs to be injected into a blood vessel of a human body, a middle switching valve 2 controls a second interface 5 to be communicated with a third interface 6, meanwhile, a first interface 4 is closed, and a micro injection pump 1 injects the thrombolysis liquid medicine into the blood vessel of the human body through an injection tube 8 and a thrombolysis catheter 3; when the thrombolytic drug liquid of the micro-syringe pump 1 is used up, the middle switching valve 2 controls the first interface 4 to be communicated with the second interface 5, meanwhile, the third interface 6 is closed, the drug liquid supply mechanism supplies the thrombolytic drug liquid to the micro-syringe pump 1 through the drug liquid supply pipe 7 and the injection pipe 8, after the thrombolytic drug liquid is supplied, the middle switching valve 2 controls the second interface 5 to be communicated with the third interface 6, and the circulation is carried out, so that the continuous injection of the thrombolytic drug liquid is realized. The utility model can replace medical personnel to finish the injection of the thrombolytic liquid medicine, realizes the mode of continuous pulse administration, has accurate injection, can reach the standardization and obtains the optimal treatment effect.
In the description of the present invention, the terms "mounted," "connected," "fixed," and the like are to be understood broadly and may be fixedly connected, detachably connected, or integrated; may be a mechanical or electrical connection; either directly or indirectly through intervening media, either internally or in any other relationship. Those skilled in the art will understand the specific meaning of the above terms in the present invention. Furthermore, the particular features, structures, etc. described in the examples can be included in at least one implementation and can be combined by one skilled in the art without conflicting therewith. The protection scope of the present invention is not limited to the above specific examples, and embodiments that can be imagined by those skilled in the art without creative efforts based on the basic technical concept of the present invention belong to the protection scope of the present invention.
Claims (9)
1. The blood vessel thrombolysis device is characterized by comprising a liquid medicine supply mechanism, a micro-injection pump (1), an intermediate switching valve (2) and a thrombolysis catheter (3), wherein the intermediate switching valve (2) is provided with a first interface (4), a second interface (5) and a third interface (6) which are communicated with each other, a liquid medicine supply pipe (7) is connected between the first interface (4) of the intermediate switching valve (2) and the liquid medicine supply mechanism, an injection pipe (8) is connected between the second interface (5) of the intermediate switching valve (2) and the micro-injection pump (1), and the third interface (6) of the intermediate switching valve (2) is connected with the thrombolysis catheter (3).
2. The thrombolytic blood vessel device according to claim 1, wherein the drug solution supply tube (7) is provided with a first one-way valve (9).
3. The thrombolytic blood vessel device according to claim 1, wherein a second one-way valve (10) is provided on the thrombolytic catheter (3).
4. The thrombolytic blood vessel device according to claim 1, wherein the intermediate switching valve (2) is a three-way switching valve.
5. The thrombolytic blood vessel device according to claim 1, wherein the drug solution supply mechanism comprises a drug solution storage container (11) and an infusion pump (12), and both ends of the infusion pump (12) are respectively communicated with the drug solution storage container (11) and the drug solution supply tube (7).
6. The vascular thrombolysis device according to claim 1, wherein the micro injection pump (1) comprises a pump body (13), a mounting seat (14) is arranged on the pump body (13), an injector (15) is arranged on the mounting seat (14), the injector (15) is connected with the injection tube (8), and the pump body (13) is provided with a driving mechanism for driving an injection rod of the injector (15) to move.
7. The thrombolytic blood vessel device according to claim 6, wherein the driving mechanism comprises a driving motor, the output end of the driving motor is connected with a screw, the screw is provided with a threaded sleeve, the threaded sleeve is connected with a fixed seat (16), and the fixed seat (16) is connected with an injection rod of the injection tube (8).
8. The thrombolytic blood vessel device according to claim 6, wherein the mounting seat (14) is provided with two syringes (15) with different capacities, and the pump body (13) is provided with two sets of driving mechanisms for driving the injection rod of the two syringes (15) to move respectively.
9. The thrombolytic blood vessel device according to claim 8, wherein the intermediate switching valve (2) is a four-way switching valve provided with a fourth port, wherein one syringe (15) is in communication with the third port (6) and the other syringe (15) is in communication with the fourth port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122995724.2U CN216876504U (en) | 2021-12-01 | 2021-12-01 | Blood vessel thrombolysis device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122995724.2U CN216876504U (en) | 2021-12-01 | 2021-12-01 | Blood vessel thrombolysis device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216876504U true CN216876504U (en) | 2022-07-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122995724.2U Active CN216876504U (en) | 2021-12-01 | 2021-12-01 | Blood vessel thrombolysis device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216876504U (en) |
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2021
- 2021-12-01 CN CN202122995724.2U patent/CN216876504U/en active Active
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