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CN-122005021-A - Cardiovascular intervention puncture device

CN122005021ACN 122005021 ACN122005021 ACN 122005021ACN-122005021-A

Abstract

The invention discloses a cardiovascular intervention puncture device, and belongs to the technical field of cardiovascular treatment. The device comprises an injector, wherein an output end of the injector is communicated with an infusion pipeline, and a penetrating mechanism is arranged on the infusion pipeline. The penetrating mechanism comprises a guide pipe which is installed at one end of the infusion pipeline in a communicating mode, a guide wire is arranged in the guide pipe, and the guide wire penetrates through the infusion pipeline in a sliding mode. The inside of the infusion pipeline is provided with a plurality of limit sliding blocks, and the outer surface of the guide wire is provided with a spiral drag reduction groove for guiding the guide wire. According to the invention, through the sliding fit of the spiral drag reduction groove on the outer surface of the guide wire and the limit sliding block in the infusion pipeline, the guide wire can precisely guide during sliding and rotation, and the friction resistance between the guide wire and the pipe wall is reduced. Meanwhile, the pressure sensor integrally packaged at the thread guiding end, the electromagnetic vibrator and the control module arranged in the inner cavity can detect resistance change in the thread guiding pushing process in real time, is convenient to sense abnormality in time and adjust, and reduces vascular injury to the greatest extent.

Inventors

  • LIN ZHIDONG
  • ZHU QINQIN

Assignees

  • 中国人民解放军陆军军医大学第二附属医院

Dates

Publication Date
20260512
Application Date
20260320

Claims (10)

  1. 1. Cardiovascular intervention puncture device comprises an injector (1), and is characterized in that an infusion pipeline (7) is installed in the output end of the injector (1) in a communicating mode, a penetrating mechanism (6) is arranged on the infusion pipeline (7), the penetrating mechanism (6) comprises a guide pipe (65) which is installed at one end of the infusion pipeline (7) in a communicating mode, a guide wire (63) is arranged in the guide pipe (65), the guide wire (63) penetrates through the infusion pipeline (7) in a sliding mode, a plurality of limit sliding blocks (68) are arranged in the infusion pipeline (7), a spiral drag reduction groove (66) for guiding the guide wire (63) is formed in the outer surface of the guide wire (63), one end of the limit sliding block (68) is slidably installed in the spiral drag reduction groove (66), a pressure sensor (62) is arranged in a soft section of the head end of the guide wire (63), a plurality of electromagnetic wave detectors (611) are arranged in an inner cavity of the guide wire (63) and are integrally packaged with the head end of the guide wire (63), the pressure sensor (62) is used for receiving a signal, and the pressure sensor (62) is installed at the inner end of the guide wire (63) and is used for receiving a signal The electromagnetic vibrator (611) and the control module (61) are electrically connected through micro wires embedded in the hollow cavity of the guide wire (63).
  2. 2. The cardiovascular interventional puncture device according to claim 1, wherein a sealing frame (64) is arranged at the outer end of the guide tube (65), the guide wire (63) penetrates through the guide tube (65) through the sealing frame (64), and a sealing gasket is arranged on the inner wall, close to the guide wire (63), of the sealing frame (64).
  3. 3. Cardiovascular intervention puncture device according to claim 1, characterized in that the interior of the guide wire (63) is hollow and is provided with a flexible reinforcing core (67), the end of the guide wire (63) away from the injector (1) is provided with a round head (610) for reducing the risk of vascular injury, and the end of the guide wire (63) close to the round head (610) is provided with a plurality of segment joints (69) for ensuring the flexibility of the guide wire (63) to avoid damaging the blood vessel.
  4. 4. The cardiovascular intervention puncture device according to claim 1, wherein the surface of the infusion tube (7) close to the injector (1) is provided with an exhaust mechanism (5), the exhaust mechanism (5) comprises a gas cylinder (53) which is installed on the infusion tube (7) in a communicating way, the outer side of the gas cylinder (53) is provided with an exhaust pipe (51) in a communicating way, the exhaust pipe (51) is provided with a film (52) for exhausting and blocking liquid through a pressing plate (54), the pressing plate (54) is installed on the exhaust pipe (51) through a locking screw (55), the film (52) is a polytetrafluoroethylene hydrophobic microporous filter membrane, the equivalent pore diameter of the surface micropores of the film is between 0.1 and 5.0 mu m, so that gas in the infusion tube (7) can be exhausted through the micropores, and water phase liquid is blocked inside the film (52) under the action of surface tension.
  5. 5. The cardiovascular interventional puncture device according to claim 4, wherein a fixing rod (57) is rotatably installed in the exhaust pipe (51), a screw impeller (59) is fixedly installed at one end of the fixing rod (57) located in the exhaust pipe (51), a roller (56) for accelerating rotation of the fixing rod (57) is arranged on the exhaust pipe (51), and the fixing rod (57) is fixedly connected with an inner shaft of the roller (56).
  6. 6. The cardiovascular interventional puncture device according to claim 5, wherein a scraper (58) is fixedly mounted at one end of the fixing rod (57), a foam plate is fixedly mounted on the surface of the scraper (58) close to the film (52), and the foam plate slides on the surface of the film (52).
  7. 7. The cardiovascular intervention puncture device according to claim 1, wherein one end of the injector (1) and one end of the infusion pipeline (7) are provided with a quantitative valve (2) for controlling the flow rate of liquid and reducing the impact of the liquid, and the outer side of the infusion pipeline (7) close to one end of the quantitative valve (2) is provided with a reinforcing rib (3) for increasing the injection stability.
  8. 8. The cardiovascular intervention puncture device according to claim 1, wherein the outer surface of the infusion pipeline (7) is provided with a flow stopping mechanism (4), the flow stopping mechanism (4) comprises a stop valve (45) which is installed on the infusion pipeline (7) in a communicating way, an elastic damping film (43) is fixedly installed inside the stop valve (45), a plurality of through holes (44) are formed in the surface of the elastic damping film (43), and activated crushed carbon for adsorbing impurities in liquid is filled inside the stop valve (45).
  9. 9. The cardiovascular intervention puncture device according to claim 8, wherein an elastic sealing plate (42) for closing the through hole (44) is arranged on the surface of the elastic damping film (43) close to the injector (1), and a spring (41) is fixedly arranged between the elastic sealing plate (42) and the inner wall of the stop valve (45).
  10. 10. The cardiovascular intervention puncture device according to claim 1, wherein an auxiliary mechanism (8) is arranged on the outer side of the infusion pipeline (7), the auxiliary mechanism (8) comprises a needle seat (82) fixedly arranged on one end, far away from the injector (1), of the infusion pipeline (7), a needle wing (81) convenient for inserting a needle is fixedly arranged on the outer side of the needle seat (82), a needle tube (83) is arranged at the output end of the needle seat (82) in a communicating manner, and a guide wire (63) penetrates through one end of the needle tube (83) in a sliding manner.

Description

Cardiovascular intervention puncture device Technical Field The invention relates to the technical field of cardiovascular treatment, in particular to a cardiovascular intervention puncture device. Background The heart vessel interventional puncture operation is an important minimally invasive means for treating cardiovascular diseases such as coronary heart disease, arrhythmia, vascular stenosis and the like, and is characterized in that a vascular access is established through a puncture device, and interventional instruments such as a guide wire, a catheter and the like are sent into a target blood vessel or heart chamber to realize diagnosis or treatment operation. In the existing cardiovascular interventional puncture device, a guide wire is used as a core component of the puncture device, when the guide wire slides and rotates in a transfusion pipeline and a needle tube, an effective guiding and limiting structure is lacked, offset and blocking are easy to occur, even larger friction is generated with the inner wall of the pipeline, the operation strength of a worker is increased, and a blood vessel is damaged. Meanwhile, the guide wire is insufficient in bending resistance and kink resistance, and is easy to bend and kink when pushed in a bent blood vessel, so that the operation progress is influenced. Disclosure of Invention The invention aims to provide a cardiovascular interventional puncture device, which aims to solve the problems that in the background art, when a guide wire slides and rotates in an infusion pipeline and a needle tube, an effective guiding and limiting structure is lacking, offset and blocking are easy to occur, and even larger friction is generated with the inner wall of the pipeline. The cardiovascular intervention puncture device comprises an injector, wherein an output end of the injector is communicated with an infusion pipeline, a penetrating mechanism is arranged on the infusion pipeline, the penetrating mechanism comprises a guide pipe which is communicated with one end of the infusion pipeline, a guide wire is arranged in the guide pipe, the guide wire penetrates through the infusion pipeline in a sliding mode, a plurality of limit sliding blocks are arranged in the infusion pipeline, a spiral drag reduction groove for guiding the guide wire is formed in the outer surface of the guide wire, one end of each limit sliding block is slidably arranged in the spiral drag reduction groove, a pressure sensor is arranged in a soft section of a head end of the guide wire, the pressure sensor and the material of the guide wire end are integrally packaged, a plurality of electromagnetic vibrators are arranged in an inner cavity of the guide wire, a control module for receiving signals of the pressure sensor is arranged in a handheld end of the guide wire, and the pressure sensor, the electromagnetic vibrators and the control module are electrically connected through miniature leads embedded in a hollow cavity of the guide wire. As a preferable technical scheme of the invention, the outer end of the guide tube is provided with a sealing frame, the guide wire penetrates through the guide tube through the sealing frame, and the sealing frame is provided with a sealing gasket close to the inner wall of the guide wire. As a preferable technical scheme of the invention, the guide wire is hollow and is provided with a flexible reinforcing core, one end of the guide wire, which is far away from the injector, is provided with a round head for reducing the risk of vascular injury, and one end of the guide wire, which is close to the round head, is provided with a plurality of segment joints for ensuring the flexibility of the guide wire to avoid damaging the blood vessel. As a preferable technical scheme of the invention, the surface of the infusion pipeline, which is close to the injector, is provided with an exhaust mechanism, the exhaust mechanism comprises a gas cylinder which is installed on the infusion pipeline in a communicating way, the outer side of the gas cylinder is installed with an exhaust pipe in a communicating way, the exhaust pipe is provided with a film for exhausting and blocking liquid through a pressing plate, and the pressing plate is installed on the exhaust pipe through a locking screw. As a preferable technical scheme of the invention, a fixed rod is rotatably arranged in the exhaust pipe, a spiral impeller is fixedly arranged at one end of the fixed rod, which is positioned in the exhaust pipe, a roller for accelerating the rotation of the fixed rod is arranged on the exhaust pipe, and the fixed rod is fixedly connected with the inner shaft of the roller. As a preferable technical scheme of the invention, one end of the fixing rod is fixedly provided with a scraping plate, the surface of the scraping plate, which is close to the film, is fixedly provided with a foam plate, and the foam plate slides on the surface of the film. As a preferable technical scheme of t