Intravascular shock wave treatment system

Abstract

The invention relates to the technical field of medical instruments, and provides an intravascular shock wave treatment system which comprises a host, a control handle arranged on the left side of the host, a shock wave balloon device arranged on the left side of the control handle and a catheter fixedly communicated between the control handle and the shock wave balloon device. A support is arranged outside the shock wave balloon device, and a reciprocating inflating device extending into the control handle is arranged in the control handle. The shock wave balloon device comprises a balloon, an impact device and a shock wave source device, and the support is connected to the outer surface of the balloon in a sleeving mode. The transmission mechanism is started to work through the host and the control handle, so that the pump body inflates the catheter and the balloon through the air inlet valve, the balloon expands and pushes the stent to expand the inner wall of a blood vessel, accurate control over the treatment process is achieved, periodic inflation and deflation of the balloon can be achieved, and the treatment efficiency of vascular calcification lesions is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of medical devices, and specifically, to an intravascular shock wave treatment system. Background Art

[0002] A thrombus is a small mass formed on the surface of the exfoliation or repair site of the blood vessel inner wall in the cardiovascular system. In a variable fluid-dependent type, a thrombus is composed of insoluble fibrin, deposited platelets, accumulated white blood cells, and trapped red blood cells. The most common characteristics of clinical thrombus patients are family heredity, recurrent attacks, symptom severity, abnormal thrombus formation sites, and younger onset age. The main mechanism of thrombus formation is increased blood coagulability, which is seen in increased platelets and coagulation factors, such as in severe trauma, after childbirth, and after major surgeries.

[0003] Chinese Patent CN215874828U, a cardiovascular intervention balloon with a shock wave device, includes a balloon, a storage mechanism, and an inflation mechanism. The storage mechanism is opened on the left side inside the balloon, and the inflation mechanism is opened on the right side inside the balloon. The storage mechanism includes a storage pipeline, an expansion disc, a storage channel, a circulation groove, and a separation net. The storage pipeline is fixedly connected to the inside of the balloon, the expansion disc is fixedly connected to the left end of the storage pipeline, the storage channel is opened at the center inside the expansion disc, the circulation groove is opened inside the expansion disc, and the separation net is fixedly connected inside the circulation groove. After placing this device inside a blood vessel and moving it to the diseased position inside the blood vessel, the expansion disc can scrape the minute impurities on the blood vessel wall, enabling the impurities to enter the inside of the storage pipeline through the storage channel opened inside the expansion disc, thus completing the cleaning of minute impurities.

[0004] The above patent has the following deficiencies: As an emerging treatment method, the intravascular shock wave system has gradually received attention and recognition in the medical field due to its advantages of minimally invasive, painless, convenient, highly efficient, and safe. However, during the treatment process of this cardiovascular intervention balloon with a shock wave device, with a fixed balloon expansion method, it is often difficult to precisely adjust according to individual differences of patients, such as the thickness and blockage degree of blood vessels, and it is impossible to achieve fine adjustment and intermittent treatment of the blood vessel inner wall, which to a certain extent limits the treatment effect and safety.

[0005] Therefore, it is urgent to improve the intravascular shock wave treatment system to solve the above problems. Summary of the Invention

[0006] The purpose of the present invention is to provide an intravascular shock wave treatment system that can achieve reciprocating inflation of the balloon, thereby enabling the stent to perform small-amplitude intermittent expansion on the inner wall of the blood vessel, so as to improve the treatment effect and safety.

[0007] The technical solution of the present invention is as follows: An intravascular shock wave treatment system includes a main unit, a control handle disposed on the left side of the main unit, a shock wave balloon device disposed on the left side of the control handle, and a catheter fixedly connected between the control handle and the shock wave balloon device. A stent is disposed outside the shock wave balloon device, and a reciprocating air injection device extending into its interior is disposed inside the control handle; The shock wave balloon device includes a balloon body, a shock device, and a shock wave source device. The stent is sleeved on the outer surface of the balloon body; The reciprocating air injection device includes a fixed seat fixedly connected to the inner bottom wall of the control handle, a pump body fixedly installed inside the fixed seat, an air outlet pipe fixedly connected to the left end of the pump body, a solenoid valve fixedly connected to the upper surface of the pump body, an air inlet valve fixedly connected to the back of the pump body, and a transmission mechanism disposed inside the pump body; The transmission mechanism includes a piston plate slidably connected inside the pump body, a piston rod fixedly connected to the right side of the piston plate and extending outside the pump body, a hinge seat fixedly connected to the right end of the piston rod, an adjusting rod hinged inside the hinge seat, a moving sleeve slidably connected to the outer surface of the adjusting rod, and a driving mechanism disposed inside the control handle.

[0008] Preferably, one end of the air outlet pipe away from the pump body is fixedly connected to the right end of the catheter. The left end of the catheter is fixedly connected to the right end of the balloon body and extends into the interior of the balloon body. An air outlet is provided on the upper surface of one end of the catheter located inside the balloon body.

[0009] Preferably, the solenoid valve is fixedly installed on the top of the pump body and extends to the upper surface of the control handle. One end of the air inlet valve away from the pump body extends outside the control handle. The outer diameter of the piston plate is adapted to the inner diameter of the pump body, and the piston plate is made of Teflon material.

[0010] Preferably, a moving port adapted to the piston rod is provided inside the pump body. The piston rod is slidably connected to the inside of the pump body through the moving port and extends outside it.

[0011] Preferably, a micro cylinder is fixedly installed inside the moving sleeve. The adjusting rod is fixedly connected to the output end of the micro cylinder. An activity port adapted to the adjusting rod is provided inside the moving sleeve.

[0012] Preferably, a connecting ear is fixedly connected to the right end of the moving sleeve, and a connecting shaft is rotatably installed on the lower surface of the connecting ear.

[0013] Preferably, the driving mechanism includes a rotating shaft rotatably connected to the inner bottom wall of the control handle, a driving motor fixedly installed on one side inside the control handle, a secondary bevel gear fixedly connected to the top end of the rotating shaft, and a primary bevel gear fixedly connected to the output shaft of the driving motor, and the primary bevel gear meshes with the secondary bevel gear.

[0014] Preferably, an accommodating assembly extending to the outside is arranged outside the balloon body. The accommodating assembly includes an accommodating pipeline fixedly connected to the inside of the balloon body and extending to the outside, an expansion disc fixedly communicated with the left end of the accommodating pipeline, a flow-through groove formed inside the expansion disc, and a separation net fixedly installed inside the flow-through groove, and one end of the accommodating pipeline away from the expansion disc is sealed.

[0015] Preferably, the number of the flow-through grooves and the separation nets is several, and the several separation nets are annularly distributed inside the expansion disc.

[0016] Preferably, the impact device is sleeved at the connection part of the expansion disc and the accommodating pipeline, and the shock wave source device is sleeved on the outer surface of the accommodating pipeline on the inner side of the balloon body.

[0017] The working principle and beneficial effects of the present invention are as follows: 1. In the present invention, the driving motor is started through the host and the control handle, so that the primary bevel gear, the secondary bevel gear, the rotating shaft, the connecting shaft, the connecting ear and the moving sleeve are in transmission cooperation, so that the piston rod and the piston plate perform reciprocating motion, so that the pump body inflates the catheter and the balloon body through the air inlet valve, so that the balloon body expands and pushes the stent to expand the inner wall of the blood vessel; when the air pressure in the balloon body reaches the preset value, the solenoid valve opens, and the gas in the balloon body is discharged to the outside of the control handle through the solenoid valve, realizing the contraction of the balloon body; by controlling the opening time and frequency of the solenoid valve by the host, with the reciprocating motion of the piston plate, the inhalation stage and the compression stage are continuously alternated, so as to realize the continuous compression and delivery of gas, and the reciprocating inflation of the balloon body can be realized, so as to drive the stent to perform small-amplitude intermittent expansion on the inner wall of the blood vessel; by starting the telescopic movement of the micro cylinder by the host to drive the adjusting rod to move, thereby adjusting the moving range of the piston rod and the piston plate, and further precisely controlling the compression and delivery of gas, realizing the precise control of the treatment process, being able to realize the periodic inflation and deflation of the balloon body, and improving the treatment efficiency of vascular calcification lesions.

[0018] 2. In the present invention, the impact device is installed at the head of the balloon body to generate shock wave energy for precise treatment of the inner wall of the blood vessel; by adjusting the parameters of the shock wave source device by the host, such as frequency, energy, etc., the treatment requirements for different lesion sites and degrees can be realized; 3. By using the combination of the storage pipeline and the expansion disc in the present invention, tiny impurities on the blood vessel wall can be scraped off, and the impurities can enter the interior of the storage pipeline through the interior of the expansion disc, completing the cleaning of the tiny impurities. By providing the flow-through groove, it is convenient for blood to flow around the flow-through groove opened inside the expansion disc, which can prevent the expansion disc from completely filling the interior of the blood vessel and causing the problem of blood being unable to flow. At the same time, the separation net inside the flow-through groove can prevent impurities or blood clots flowing with the blood from passing through the flow-through groove along with the blood.

[0019] Of course, it is not necessary for any product implementing the present invention to achieve all the above-mentioned advantages simultaneously. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The present invention will be further described in detail below with reference to the drawings and specific embodiments.

[0021] Figure 1 is the three-dimensional front view of the overall structure of the present invention; Figure 2 is the three-dimensional front view of the structure of the shock wave balloon device of the present invention; Figure 3 is the three-dimensional cross-sectional view of the structure of the shock wave balloon device of the present invention; Figure 4 is the three-dimensional cross-sectional view of the structure of the control handle of the present invention; Figure 5 is the three-dimensional cross-sectional view of the structure of the pump body of the present invention; Figure 6 is the three-dimensional cross-sectional view of the structure of the transmission mechanism and the drive mechanism of the present invention; Figure 7 is for the present invention Figure 3 is the three-dimensional enlarged view of the structure at position A in; Figure 8 is for the present invention Figure 3 is the three-dimensional enlarged view of the structure at position B in.

[0022] In the figure: 1. Main machine; 2. Control handle; 3. Shock wave balloon device; 31. Balloon body; 32. Impact device; 33. Shock wave source device; 4. Catheter; 5. Stent; 6. Reciprocating air injection device; 61. Fixed seat; 62. Pump body; 63. Air outlet pipe; 64. Solenoid valve; 65. Intake valve; 66. Piston plate; 67. Piston rod; 68. Hinge seat; 69. Adjusting rod; 610. Moving sleeve; 611. Connecting ear; 612. Connecting shaft; 613. Drive motor; 614. Main bevel gear; 615. Rotating shaft; 616. Sub bevel gear; 617. Micro cylinder; 618. Air outlet; 7. Storage assembly; 71. Storage pipeline; 72. Expansion disc; 73. Flow-through groove; 74. Separation net. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] Next, in combination with the embodiments of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention.

[0024] Embodiment 1 As Figures 1 to 8 shown, this embodiment proposes an intravascular shock wave treatment system, which includes a host 1, a control handle 2 arranged on the left side of the host 1, a shock wave balloon device 3 arranged on the left side of the control handle 2, and a catheter 4 fixedly connected between the control handle 2 and the shock wave balloon device 3. A stent 5 is arranged outside the shock wave balloon device 3, and a reciprocating air injection device 6 extending into its interior is arranged inside the control handle 2; the shock wave balloon device 3 includes a balloon body 31, an impact device 32, and a shock wave source device 33. The stent 5 is sleeved on the outer surface of the balloon body 31. The stent 5 is made of a biocompatible material and has good flexibility and support. Through the precise control and adjustment of each part of the device by the host 1 and the control handle 2, the comprehensive and precise control of the treatment process can be realized. This design helps to improve the efficiency and safety of the treatment and reduce the risk and discomfort of the patient.

[0025] In this embodiment, the reciprocating air injection device 6 includes a fixed seat 61 fixedly connected to the inner bottom wall of the control handle 2, a pump body 62 fixedly installed inside the fixed seat 61, an air outlet pipe 63 fixedly connected to the left end of the pump body 62, an electromagnetic valve 64 fixedly connected to the upper surface of the pump body 62, an air inlet valve 65 fixedly connected to the back of the pump body 62, and a transmission mechanism arranged inside the pump body 62. Through the coordinated work of the host 1 and the control handle 2, the transmission mechanism can be conveniently started to realize the remote or precise control of the device. This design improves the operability and user-friendliness of the device.

[0026] Among them, one end of the air outlet pipe 63 far from the pump body 62 is fixedly connected to the right end of the catheter 4, the left end of the catheter 4 is fixedly connected to the right end of the balloon body 31 and extends into the interior of the balloon body 31, and an air outlet 618 is opened on the upper surface of one end of the catheter 4 located inside the balloon body 31.

[0027] In this embodiment, the transmission mechanism includes a piston plate 66 slidably connected inside the pump body 62, a piston rod 67 fixedly connected to the right side of the piston plate 66 and extending outside the pump body 62, a hinge seat 68 fixedly connected to the right end of the piston rod 67, an adjusting rod 69 hinged inside the hinge seat 68, a moving sleeve 610 slidably connected to the outer surface of the adjusting rod 69, and a driving mechanism arranged inside the control handle 2.

[0028] Among them, the solenoid valve 64 is fixedly installed on the top of the pump body 62 and extends to the upper surface of the control handle 2. One end of the intake valve 65 far from the pump body 62 extends to the outside of the control handle 2. The outer diameter of the piston plate 66 is adapted to the inner diameter of the pump body 62, and the piston plate 66 is made of Teflon material. The Teflon piston has good self-lubricating performance, which can reduce frictional heat and wear. When the air pressure in the balloon body 31 reaches the preset value, the solenoid valve 64 opens, and the gas in the balloon body 31 is discharged to the outside of the control handle 2 through the solenoid valve 64, realizing the contraction of the balloon body 31, and this design helps to avoid damage to blood vessels caused by excessive air pressure and improves the safety of treatment.

[0029] Specifically, a moving port adapted to the piston rod 67 is provided inside the pump body 62. The piston rod 67 is slidably connected to the inside of the pump body 62 through the moving port and extends to the outside thereof. Reciprocating motion is the key to realizing gas compression and delivery, which ensures that the pump body 62 can continuously and stably inflate the catheter 4 and the balloon body 31. This motion mode is simple and effective, and is easy to implement and control.

[0030] It should be noted that a micro cylinder 617 is fixedly installed inside the moving sleeve 610. The adjusting rod 69 is fixedly connected to the output end of the micro cylinder 617. An activity port adapted to the adjusting rod 69 is provided inside the moving sleeve 610. The right end of the moving sleeve 610 is fixedly connected with a connecting ear 611, and a connecting shaft 612 is rotatably installed on the lower surface of the connecting ear 611. By starting the micro cylinder 617 to expand and contract by the host 1 to drive the adjusting rod 69 to move, the moving ranges of the piston rod 67 and the piston plate 66 are adjusted, and then the compression and delivery of the gas are precisely controlled.

[0031] In this embodiment, the driving mechanism includes a rotating shaft 615 rotatably connected to the inner bottom wall of the control handle 2, a driving motor 613 fixedly installed on one side inside the control handle 2, a secondary bevel gear 616 fixedly connected to the top end of the rotating shaft 615, and a primary bevel gear 614 fixedly connected to the output shaft of the driving motor 613. The primary bevel gear 614 and the secondary bevel gear 616 are meshed with each other, and the connecting shaft 612 is fixedly connected to one side of the top of the secondary bevel gear 616. The precise cooperation of this series of transmission components ensures the efficient transmission and conversion of energy, enables the piston rod 67 and the piston plate 66 to perform reciprocating motion as expected, and at the same time this design improves the reliability and stability of the equipment.

[0032] When using this embodiment, the doctor can set the treatment parameters through the host 1 according to the patient's specific conditions and lesion sites, such as the frequency and energy of the shock wave balloon device 3, and the frequency and amplitude of the reciprocating air pumping device 6. The intelligent control system built into the host 1 will automatically adjust the working state of the reciprocating air pumping device 6 according to the preset treatment plan to achieve precise control of the treatment process. At the same time, the doctor can also monitor the various parameters in the treatment process in real time through the control handle 2 and adjust them as needed. The driving motor 613 is started by the host 1 and the control handle 2, so that the main bevel gear 614, the secondary bevel gear 616, the rotating shaft 615, the connecting shaft 612, the connecting ear 611 and the movable sleeve 610 are matched with each other, so that the piston rod 67 and the piston plate 66 reciprocate, and the pump body 62 pumps air into the catheter 4 and the balloon body 31 through the air inlet valve 65, so that the balloon body 31 expands and pushes the stent 5 to expand the inner wall of the blood vessel; when the air pressure in the balloon body 31 reaches a preset value, the solenoid valve 64 opens, and the gas in the balloon body 31 is discharged to the outside of the control handle 2 through the solenoid valve 64, so that the balloon body 31 shrinks; The switching time and frequency of the electromagnetic valve 64 are controlled by the host 1. With the reciprocating motion of the piston plate 66, the suction stage and the compression stage are continuously alternated, thereby realizing continuous compression and delivery of the gas, and reciprocating inflation of the balloon body 31 can be realized, thereby driving the stent 5 to perform small intermittent expansion of the inner wall of the blood vessel; the host 1 starts the extension and retraction of the micro cylinder 617 to drive the adjustment rod 69 to move, thereby adjusting the movement range of the piston rod 67 and the piston plate 66, and then accurately controlling the compression and delivery of the gas, realizing precise control of the treatment process, and realizing periodic inflation and deflation of the balloon body 31, thereby improving the treatment efficiency of vascular calcification lesions.

[0033] Embodiment 2 like Figures 1 to 8 As shown, based on the same concept as the above-mentioned embodiment 1, the outside of the balloon body 31 is provided with a storage component 7 extending to the outside thereof, and the storage component 7 includes a storage pipe 71 fixedly connected to the inside of the balloon body 31 and extending to the outside thereof, an expansion disk 72 fixedly connected to the left end of the storage pipe 71, a flow groove 73 opened in the expansion disk 72 and a separation net 74 fixedly installed in the flow groove 73, and the end of the storage pipe 71 away from the expansion disk 72 is sealed.

[0034] There are a plurality of flow slots 73 and a plurality of separation nets 74 , and the plurality of separation nets 74 are distributed inside the expansion disk 72 in a ring shape.

[0035] It should be noted that the impact device 32 is sleeved at the connection between the expansion disc 72 and the receiving pipe 71, and the shock wave source device 33 is sleeved on the outer surface of the receiving pipe 71 on the inner side of the balloon body 31. By installing the impact device 32 at the head of the balloon body 31, shock wave energy can be generated for precise treatment of the blood vessel inner wall; by adjusting the parameters of the shock wave source device 33 through the mainframe 1, such as frequency, energy, etc., the treatment requirements for different lesion sites and degrees can be achieved.

[0036] When this embodiment is in use, the doctor places the shock wave balloon device 3 and the catheter 4 inside the patient's blood vessel. After moving to the location of the lesion in the blood vessel, by setting the cooperation of the receiving pipe 71 and the expansion disc 72, the tiny impurities on the blood vessel wall can be scraped off, and the impurities enter the inside of the receiving pipe 71 through the inside of the expansion disc 72 to complete the cleaning of the tiny impurities; by setting the flow groove 73, it is convenient for blood to flow around the flow groove 73 opened inside the expansion disc 72, which can avoid the problem that the expansion disc 72 completely fills the inside of the blood vessel, resulting in the inability of blood to flow. At the same time, the separation net 74 inside the flow groove 73 can prevent impurities or blood clots flowing with the blood from passing through the flow groove 73. At the same time, the balloon body 31 is reciprocally inflated. The precise control of the mainframe 1 can ensure that the opening and closing time and frequency of the solenoid valve 64 match the reciprocating movement of the piston plate 66, so as to realize the continuous compression and delivery of gas, improve the accuracy and controllability of the treatment, and enable the stent 5 to perform small-amplitude intermittent expansion on the blood vessel inner wall to increase the compliance of the balloon body 31. And by evaluating the symmetric expansion of the balloon body 31 to judge the modification effect of the calcified lesion, and according to the treatment requirements, repeat the above steps until the treatment purpose is achieved.

[0037] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. An intravascular shock wave therapy system, characterized in that: The device comprises a main unit (1), a control handle (2) arranged on the left side of the main unit (1), a shock wave balloon device (3) arranged on the left side of the control handle (2), and a catheter (4) fixedly connected between the control handle (2) and the shock wave balloon device 3, wherein a bracket (5) is arranged outside the shock wave balloon device (3), and a reciprocating air pumping device (6) extending into the interior of the control handle (2) is arranged inside the control handle (2); The shock wave balloon device (3) comprises a balloon body (31), a shock device (32) and a shock wave source device (33), and the bracket (5) is sleeved on the outer surface of the balloon body (31); The reciprocating air pumping device (6) comprises a fixing seat (61) fixedly connected to the inner bottom wall of the control handle (2), a pump body (62) fixedly installed inside the fixing seat (61), an air outlet pipe (63) fixedly connected to the left end of the pump body (62), a solenoid valve (64) fixedly connected to the upper surface of the pump body (62), an air inlet valve (65) fixedly connected to the back of the pump body (62), and a transmission mechanism arranged inside the pump body (62); The transmission mechanism comprises a piston plate (66) slidably connected to the inside of the pump body (62), a piston rod (67) fixedly connected to the right side of the piston plate (66) and extending to the outside of the pump body (62), a hinge seat (68) fixedly connected to the right end of the piston rod (67), an adjustment rod (69) hinged inside the hinge seat (68), a movable sleeve (610) slidably connected to the outer surface of the adjustment rod (69), and a driving mechanism arranged inside the control handle (2).

2. An intravascular shock wave therapy system according to claim 1, characterized in that: One end of the air outlet pipe (63) away from the pump body (62) is fixedly connected to the right end of the catheter (4), and the left end of the catheter (4) is fixedly connected to the right end of the balloon body (31) and extends to the interior of the balloon body (31). An air outlet (618) is provided on the upper surface of one end of the catheter (4) located inside the balloon body (31).

3. An intravascular shock wave therapy system according to claim 2, characterized in that: The solenoid valve (64) is fixedly mounted on the top of the pump body (62) and extends to the upper surface of the control handle (2); one end of the air inlet valve (65) away from the pump body (62) extends to the outside of the control handle (2); the outer diameter of the piston plate (66) is matched with the inner diameter of the pump body (62), and the piston plate (66) is made of Teflon material.

4. An intravascular shock wave therapy system according to claim 3, characterized in that: The pump body (62) is provided with a moving opening adapted to the piston rod (67) inside, and the piston rod (67) is slidably connected to the inside of the pump body (62) through the moving opening and extends to the outside thereof.

5. An intravascular shock wave therapy system according to claim 4, characterized in that: A micro cylinder (617) is fixedly installed inside the movable sleeve (610), the adjustment rod (69) is fixedly connected to the output end of the micro cylinder (617), and a movable opening adapted to the adjustment rod (69) is provided inside the movable sleeve (610).

6. An intravascular shock wave therapy system according to claim 5, characterized in that: The right end of the movable sleeve (610) is fixedly connected to a connecting ear (611), and a connecting shaft (612) is rotatably mounted on the lower surface of the connecting ear (611).

7. An intravascular shock wave therapy system according to claim 1, characterized in that: The driving mechanism comprises a rotating shaft (615) rotatably connected to the inner bottom wall of the control handle (2), a driving motor (613) fixedly mounted on one side of the inner part of the control handle (2), a secondary bevel gear (616) fixedly connected to the top end of the rotating shaft (615), and a main bevel gear (614) fixedly connected to the output shaft of the driving motor (613), wherein the main bevel gear (614) and the secondary bevel gear (616) are meshed with each other.

8. An intravascular shock wave therapy system according to claim 1, characterized in that: The outside of the balloon body (31) is provided with a storage component (7) extending to the outside thereof, and the storage component (7) includes a storage pipe (71) fixedly connected to the inside of the balloon body (31) and extending to the outside thereof, an expansion disk (72) fixedly connected to the left end of the storage pipe (71), a flow groove (73) opened in the expansion disk (72) and a separation net (74) fixedly installed in the flow groove (73), and the end of the storage pipe (71) away from the expansion disk (72) is sealed.

9. An intravascular shock wave therapy system according to claim 8, characterized in that: The number of the flow slots (73) and the number of the separation nets (74) are both multiple, and the multiple separation nets (74) are distributed in a ring shape inside the expansion disk (72).

10. An intravascular shock wave therapy system according to claim 9, characterized in that: The impact device (32) is sleeved on the connection between the expansion disk (72) and the receiving pipe (71), and the shock wave source device (33) is sleeved on the outer surface of the receiving pipe (71) located on the inner side of the balloon body (31).

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