CN219480246U - Hemodialysis internal fistula local thrombolysis device - Google Patents
Hemodialysis internal fistula local thrombolysis device Download PDFInfo
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- CN219480246U CN219480246U CN202223107864.2U CN202223107864U CN219480246U CN 219480246 U CN219480246 U CN 219480246U CN 202223107864 U CN202223107864 U CN 202223107864U CN 219480246 U CN219480246 U CN 219480246U
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- hose
- guide wire
- puncture needle
- thrombus
- vein
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
A local thrombolytic device for hemodialysis internal fistula comprises a puncture needle, a hose, an injection tube communicated with the hose and a guide wire for guiding the hose. The principle of the utility model is as follows: the puncture needle is sleeved in the hose; the puncture needle punctures the vein; pulling out the puncture needle; a guide wire is placed in the hose and enters the vein through the puncture hole, and can move in the bent vein due to the softness of the guide wire, and the thrombus position is judged according to the resistance of the guide wire moving; after confirming the thrombus position, moving the hose along the guide wire until one end of the hose reaches the thrombus position; thrombolytic medicine is injected through the injection tube, and thrombolysis is precisely sprayed on the thrombus through the hose, thereby realizing local thrombolysis.
Description
Technical Field
The utility model relates to medical equipment, in particular to a local thrombolysis device for hemodialysis internal fistula.
Background
Various adverse effects such as blood turbulence, slow flow rate, stagnation and blood formation can be caused when the blood vessel of the internal hemodialysis fistula is narrowed or blocked, so that blood supply in a downstream area of a vascular system is limited, the hemodialysis cannot be smoothly performed, and thus, the internal arteriovenous fistula is out of work, and if the internal arteriovenous fistula cannot be relieved in a short time, the vascular access of the hemodialysis is lost, and the dialysis life of a hemodialysis patient is threatened. Therefore, there is a need in the clinic for a timely and effective thrombus removal drug, device or/and system to timely remove thrombus from an internal fistula vessel, open an occluded vessel, and allow the occluded internal fistula to resume blood flow, thereby resuming dialysis function.
At present, methods such as thrombolysis, mechanical thrombolysis and the like are widely adopted to remove thrombus. The existing thrombolytic treatment method mainly comprises two methods of intravenous systemic injection of thrombolytic drugs and injection of thrombolytic drugs at thrombus positions through a catheter, so as to achieve the purpose of eliminating thrombus plaques. The difficulty with local thrombolytic intravenous injection is the rapid search for the location of the thrombus.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a local thrombolytic device for hemodialysis internal fistula, which has the advantages of simple structure, convenient operation, capability of quickly and accurately finding out the position of thrombus and capability of effectively injecting thrombolytic drugs.
In order to solve the technical problems, the technical scheme of the utility model is as follows: a local thrombolytic device for hemodialysis internal fistula comprises a puncture needle, a hose, an injection tube communicated with the hose and a guide wire for guiding the hose. The principle of the utility model is as follows: the puncture needle is sleeved in the hose; the puncture needle punctures the vein; pulling out the puncture needle; a guide wire is placed in the hose and enters the vein through the puncture hole, and can move in the bent vein due to the softness of the guide wire, and the thrombus position is judged according to the resistance of the guide wire moving; after confirming the thrombus position, moving the hose along the guide wire until one end of the hose reaches the thrombus position; thrombolytic medicine is injected through the injection tube, and thrombolysis is precisely sprayed on the thrombus through the hose, thereby realizing local thrombolysis.
As an improvement, one end of the hose is provided with a piston, and the piston is provided with a channel communicated with the hose.
As an improvement, one end of the injection tube is provided with a sleeve head matched with the injector.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model pierces vein through puncture needle, judges thrombus position through resistance of guide wire moving, guides hose through guide wire, and injects thrombolytic drug through hose; the device has simple structure and convenient operation, can quickly and accurately find the position of thrombus, and can effectively inject thrombolytic drugs.
Drawings
Fig. 1 is a schematic view of the fitting of the puncture needle with the hose.
FIG. 2 is a schematic diagram showing the state of local thrombolysis.
Detailed Description
The utility model is further described below with reference to the drawings.
As shown in fig. 1 and 2, a hemodialysis internal fistula local thrombolytic device includes a puncture needle 2, a hose 1, a syringe 3 communicating with the hose 1, and a guide wire 7 for guiding the hose 1. One end of the hose 1 is provided with a piston 5, the piston 5 is provided with a channel communicated with the hose 1, the puncture needle 2 and the guide wire 7 can enter the hose 1 through the channel, and the channel is naturally closed after the puncture needle is pulled out. One end of the injection tube 3 is provided with a sleeve head 4 matched with the injector 6, and can be accurately matched with the injector 6.
The principle of the utility model is as follows: the puncture needle 2 is sleeved in the hose 1; the puncture needle 2 punctures a vein vessel 8; pulling out the puncture needle 2; a guide wire 7 is placed in the hose 1, the guide wire 7 enters into a vein blood vessel 8 through a puncture hole, the guide wire 7 can move in the bent blood vessel due to the softness of the guide wire 7, and the position of thrombus 9 is judged according to the resistance of the guide wire 7 moving; after confirming the thrombus 9 position, the hose 1 is moved along the guide wire 7 until one end of the hose 1 reaches the thrombus 9 position; thrombolytic is injected through the injection tube 3 and is precisely sprayed on the thrombus through the hose 1, thereby realizing local thrombolysis.
Claims (1)
1. A hemodialysis internal fistula local thrombolysis device, characterized in that: comprises a puncture needle, a hose, an injection tube communicated with the hose and a guide wire for guiding the hose; a piston is arranged at one end of the hose, and is provided with a channel communicated with the hose; one end of the injection tube is provided with a sleeve head matched with the injector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223107864.2U CN219480246U (en) | 2022-11-22 | 2022-11-22 | Hemodialysis internal fistula local thrombolysis device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223107864.2U CN219480246U (en) | 2022-11-22 | 2022-11-22 | Hemodialysis internal fistula local thrombolysis device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219480246U true CN219480246U (en) | 2023-08-08 |
Family
ID=87504941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223107864.2U Active CN219480246U (en) | 2022-11-22 | 2022-11-22 | Hemodialysis internal fistula local thrombolysis device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219480246U (en) |
-
2022
- 2022-11-22 CN CN202223107864.2U patent/CN219480246U/en active Active
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Legal Events
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| GR01 | Patent grant | ||
| GR01 | Patent grant |