Guiding catheter delivery and rotation drive device for vascular intervention surgery

Abstract

The present invention relates to a guiding catheter delivery and rotation driving device for vascular interventional surgery, comprising a guiding catheter delivery mechanism and a guiding catheter rotation mechanism; the guiding catheter delivery mechanism includes a sleeve assembly, a locking mechanism and a guiding catheter, the guiding catheter is disposed within the sleeve assembly, the sleeve assembly is used for supporting and guiding the movement of the guiding catheter, one end of the guiding catheter passes through the locking mechanism, and the locking mechanism clamps and releases the vascular sheath; the guiding catheter rotation mechanism includes a pressing groove, a Y-valve assembly, a rotation transmission assembly and a mounting plate, the other end of the guiding catheter is connected to the Y-valve assembly, the Y-valve assembly is mounted on the pressing groove, the pressing groove is mounted on the mounting plate, the Y-valve assembly rotates driven by the rotation transmission assembly and drives the guiding catheter to rotate; the present invention solves the problem of fixed clamping of the Y-valve and the guiding catheter, realizes the quick disassembly and assembly of the Y-valve, limits the overall deformation amount, speeds up the response speed of the catheter end, and improves the delivery efficiency.

Description

Technical Field

[0001] The present invention relates to the technical field of medical devices, and more particularly to a guiding catheter delivery and rotation driving device for vascular interventional surgery. Background Art

[0002] Vascular interventional surgery refers to a procedure in which clinicians, with the guidance of a digital subtraction angiography (DSA) system, manually push fine instruments such as guide wires and catheters into blood vessels to reach the affected area of the patient, and then release drugs, stents, etc. for diagnostic and therapeutic operations. Vascular interventional surgery has become the main means of clinical treatment for cardiovascular and cerebrovascular diseases due to its obvious therapeutic effect, small trauma area, fast postoperative recovery, and fewer complications. According to relevant data, since 2020, the number of vascular interventional treatment surgeries in China has exceeded one million cases and is increasing at a rate of more than 20% per year. In this situation, the development of vascular interventional surgical robots is of great significance: 1) The application of vascular interventional surgical robots can prevent doctors from being exposed to the X-ray environment for a long time, significantly reducing radiation damage; 2) By using the precise mechanical structure and positioning system of the robot, the accuracy and controllability of instrument twisting and pushing during surgery can be improved; 3) Greatly reducing the instability of surgical operations caused by human factors, improving surgical efficiency and patient cure rate, and reducing the risk of complications.

[0003] However, existing vascular interventional surgical robots still have the following limitations: 1) The existing guiding catheter rotation driving structure is complex, the disassembly and assembly of the Y-valve are cumbersome, and the operation is inconvenient; 2) Both the existing guiding catheter delivery device and the guiding catheter are flexible structures, with a large amount of deformation generated during the operation process, a high response delay at the end of the guiding catheter, making it difficult to achieve fine adjustment of the guiding catheter at the coronary ostium, and greatly reducing the delivery efficiency during use. Summary of the Invention

[0004] The object of the present invention is to solve the above-mentioned deficiencies by providing a guiding catheter delivery and rotation driving device for vascular interventional surgery, which solves the problem of fixed clamping of the Y-valve and the guiding catheter, enables rapid disassembly and assembly of the Y-valve, has good operation flexibility, and at the same time uses a sleeve structure to provide protection and guidance for the guiding catheter in the external flexible stage. By restricting the overall deformation amount, the response speed of the catheter end is accelerated, and the delivery efficiency is improved.

[0005] In order to achieve the above-mentioned purpose, a guiding catheter delivery and rotation drive device for vascular intervention surgery is designed, including a guiding catheter delivery mechanism I and a guiding catheter rotation mechanism II; the guiding catheter delivery mechanism I includes a sleeve assembly 1, a locking mechanism 2 and a guiding catheter 3, the guiding catheter 3 is placed in the sleeve assembly 1, the sleeve assembly 1 is used to support and guide the movement of the guiding catheter 3, one end of the guiding catheter 3 passes through the locking mechanism 2, and the vascular sheath is clamped and released by the locking mechanism 2; the guiding catheter rotation mechanism II includes a clamping groove 4, a Y-type valve assembly 5, a rotation transmission assembly 6 and a mounting plate 7, the other end of the guiding catheter 3 is connected to the Y-type valve assembly 5 of the guiding catheter rotation mechanism II, the Y-type valve assembly 5 is installed on the clamping groove 4, and the clamping groove 4 is fixed on the mounting plate 7 by screws, and the Y-type valve assembly 5 rotates under the drive of the rotation transmission assembly 6, thereby driving the guiding catheter 3 to rotate.

[0006] Furthermore, the locking mechanism 2 includes a front end support mechanism 201, a movable shaft 202, a front end support cap 203, a limit block 206 and an inner support tube 207, and the sleeve assembly 1 includes a rotating support tube 204 and an outer support tube 205; the left end of the inner support tube 207 is connected to the front end support mechanism 201, and the right end of the inner support tube 207 is connected to the limit block 206, the inner support tube 207 is installed in the rotating support tube 204, and is movable along the axial direction of the rotating support tube 204, the rotating support tube 204 is embedded in the interlayer of the outer support tube 205, and can rotate around the axial direction in the interlayer; the movable shaft 202 is connected to the front end support cap 203 and then installed on the front end support mechanism 201, the movable shaft 202 is pushed and pulled up and down in the front end support mechanism 201, and the clamping and release of the vascular sheath are achieved by the internal magnet attraction.

[0007] Preferably, the movable shaft 202 is provided with a clamping claw, and the clamping claw is aligned with the fixing hole on the vascular sheath to clamp and fix it.

[0008] Preferably, the rotating support tube 204 is provided with a toggle plate 204-1, and the outer support tube 205 is provided with a limiting groove that cooperates with the toggle plate 204-1. The rotating support tube 204 completely wraps the guiding catheter 3 by toggling the toggle plate 204-1 clockwise into the limiting groove of the outer support tube 205.

[0009] Preferably, the inner support tube 207 and the outer support tube 205 are made of high-toughness resin material.

[0010] Further, the pressing groove 4 includes a pressing cover 401, a mounting groove 402, a pressing slider 403 and a compression spring 404. A sliding groove is provided inside the mounting groove 402. The pressing slider 403 is installed in the sliding groove of the mounting groove 402 through the compression spring 404, and the pressing slider 403 freely expands and contracts under the action of the compression spring 404. The pressing cover 401 is connected to the mounting groove 402 through a rotating shaft 402-1 and freely rotates around the rotating shaft 402-1. Circular magnets are installed on the mating surfaces of the pressing cover 401 and the mounting groove 402, and the pressing cover 401 is closed by the suction force of the magnets.

[0011] Further, the Y-shaped valve assembly 5 is snapped into the mounting groove 402. Guides are provided on the pressing slider 403 and the mounting groove 402, and the Y-shaped valve assembly 5 enters the mounting groove 402 through the guides. The pressing slider 403 presses the Y-shaped valve assembly 5 tightly under the action of the compression spring 404. A first limit post 401-1 and a second limit post 401-2 are provided on the pressing cover 401, and the movement of the Y-shaped valve assembly 5 in the vertical direction is further restricted by the first limit post 401-1 and the second limit post 401-2.

[0012] Further, the Y-shaped valve assembly 5 includes a bevel gear 501, a conversion joint 502 and a Y-shaped valve 503. The bevel gear 501 is installed on the conversion joint 502. The left side of the conversion joint 502 is a male Luer connector interface and is connected to the guiding catheter 3 through the male Luer connector interface. The right side of the conversion joint 502 is a female Luer connector interface and is connected to the Y-shaped valve 503 through the female Luer connector interface. The conversion joint 502 is hermetically connected to both the guiding catheter 3 and the Y-shaped valve 503.

[0013] Further, the rotary transmission assembly 6 includes a bevel gear with a shaft 601, a cylindrical gear A 602, an intermediate wheel transmission shaft 603, a motor 604, a cylindrical gear B 605 and a cylindrical gear C 606. The output shaft of the motor 604 is connected to the cylindrical gear C 606. The cylindrical gear B 605 and the cylindrical gear A 602 are respectively installed on the intermediate wheel transmission shaft 603 and the bevel gear with a shaft 601 through a flat key and a snap ring. The bevel gear with a shaft 601 and the intermediate wheel transmission shaft 603 are respectively installed on the base of the mounting plate 7. The cylindrical gear C 606, the cylindrical gear B 605 and the cylindrical gear A 602 are sequentially meshed to drive the bevel gear with a shaft 601 to rotate. The bevel gear with a shaft 601 is meshed and connected to the bevel gear 501 and transmits the torque to the bevel gear 501, thereby driving the guiding catheter 3 to rotate.

[0014] Furthermore, the rotary drive assembly 6 includes a shaft-mounted bevel gear 601, a motor 604, a first synchronous pulley 607, a second synchronous pulley 608, and a synchronous belt 609. The output shaft of the motor 604 is connected to the first synchronous pulley 607. The first synchronous pulley 607 is connected to the second synchronous pulley 608 by the synchronous belt 609. The second synchronous pulley 608 is connected to the shaft-mounted bevel gear 601 and drives the shaft-mounted bevel gear 601 to rotate. The shaft-mounted bevel gear 601 is meshed with the bevel gear 501 and transmits the torque to the bevel gear 501, thereby driving the guide catheter 3 to rotate.

[0015] Compared with the prior art, the present invention has the following advantages:

[0016] (1) The present invention can realize the delivery and retraction movements of the guide catheter, and perform fine adjustment operations on the position of the end of the guide catheter. The device has a simple structure, is convenient for processing and installation, has a high degree of integration, and is highly operable;

[0017] (2) The present invention solves the problem of fixed clamping of the Y-valve and the guide catheter, and can realize the quick disassembly and assembly of the Y-valve, with good operation flexibility;

[0018] (3) The present invention adopts a high-toughness sleeve structure to provide protection and guidance for the flexible stage of the guide catheter outside the body. By restricting the overall deformation amount of the structure, the response speed of the catheter end is accelerated, and the delivery efficiency is improved;

[0019] (4) The guide catheter rotation drive device of the present invention has a relatively simpler structure and is convenient for installation, and the installation dimensions can be flexibly adjusted according to the actual drive installation position, space size, etc. [Description of the Drawings]

[0020] Figure 1 is a schematic structural diagram of the present invention;

[0021] Figure 2 is a schematic structural diagram of the guide catheter delivery mechanism of the present invention;

[0022] Figure 3 is an exploded view of the guide catheter delivery mechanism of the present invention;

[0023] Figure 4 is a schematic installation diagram of the Y-valve of the present invention;

[0024] Figure 5 is a sectional view of the installation groove of the present invention;

[0025] Figure 6 is a schematic structural diagram of the Y-valve assembly of the present invention;

[0026] Figure 7 is a schematic transmission structural diagram of Embodiment 2 of the present invention;

[0027] Figure 8 It is a schematic diagram of the transmission structure of Embodiment 3 of the present invention;

[0028] In the figure: Ⅰ. Guide catheter delivery mechanism Ⅱ. Guide catheter rotation mechanism 1. Sleeve assembly 2. Locking mechanism 3. Guide catheter 4. Compression groove 5. Y-valve assembly 6. Rotation transmission assembly 7. Mounting plate 201. Front-end support mechanism 202. Movable shaft 203. Front-end support cap 204. Rotation support tube 204-1. Poking piece 205. Outer support tube 206. Limit block 207. Inner support tube 401. Compression cover 401-1. Limit post one 401-2. Limit post two 402. Mounting groove 402-1. Rotating shaft 403. Compression slider 404. Compression spring 501. Bevel gear 502. Adapter 503. Y-valve 601. Bevel gear with shaft 602. Cylindrical gear A 603. Intermediate wheel transmission shaft 604. Motor 605. Cylindrical gear B 606. Cylindrical gear C 607. Synchronous pulley one 608. Synchronous pulley two 609. Synchronous belt. [Specific embodiments]

[0029] The present invention will be further described below with reference to the accompanying drawings:

[0030] The present invention provides a guide catheter delivery and rotation driving device for vascular interventional surgery, including a guide catheter delivery mechanism Ⅰ and a guide catheter rotation mechanism Ⅱ, as shown in the attached Figure 1 figure.

[0031] The guide catheter delivery mechanism Ⅰ includes a sleeve assembly 1, a locking mechanism 2 and a guide catheter 3, as shown in the attached Figure 2 figure. The guide catheter 3 is placed inside the sleeve assembly 1. The sleeve assembly 1 is used to support and guide the movement of the guide catheter 3. One end of the guide catheter 3 passes through the locking mechanism 2, and the locking mechanism 2 clamps and releases the vascular sheath; the guide catheter rotation mechanism Ⅱ includes a compression groove 4, a Y-valve assembly 5, a rotation transmission assembly 6 and a mounting plate 7, as shown in the attached Figure 4 and the attached Figure 7 figure. The other end of the guide catheter 3 is connected to the Y-valve assembly 5 of the guide catheter rotation mechanism Ⅱ. The Y-valve assembly 5 is installed on the compression groove 4. The compression groove 4 is fixedly installed on the mounting plate 7 by screws. The Y-valve assembly 5 rotates driven by the rotation transmission assembly 6, and then drives the guide catheter 3 to rotate.

[0032] Specifically, as shown in the attached Figure 3As shown, the locking mechanism 2 includes a front end support mechanism 201, a movable shaft 202, a front end support cap 203, a limit block 206, an inner support tube 207, a magnet and other standard parts, and the sleeve assembly 1 includes a rotating support tube 204 and an outer support tube 205; the left end of the inner support tube 207 is connected to the front end support mechanism 201, and the right end of the inner support tube 207 is connected to the limit block 206, the inner support tube 207 is installed in the rotating support tube 204, and is movable along the axial direction of the rotating support tube 204, and the rotating support tube 204 is embedded in the interlayer of the outer support tube 205, and can rotate around the axis direction in the interlayer; the movable shaft 202 02 is connected to the front end support cap 203 and then installed on the front end support mechanism 201. The movable shaft 202 is pushed and pulled up and down in the front end support mechanism 201, and the clamping and release of the vascular sheath are achieved by the attraction of the internal magnet; wherein, a claw is provided on the movable shaft 202, and the claw is aligned with the fixing hole on the vascular sheath for clamping and fixing; a toggle piece 204-1 is provided on the rotating support tube 204, and a limiting groove which cooperates with the toggle piece 204-1 is provided on the outer support tube 205. The toggle piece 204-1 is rotated into the limiting groove of the outer support tube 205 by toggling it clockwise, thereby completely wrapping the guide catheter 3.

[0033] As attached Figure 4 and attached Figure 5 As shown, the clamping groove 4 includes a clamping cover 401, a mounting groove 402, a clamping slider 403, a compression spring 404 and standard parts such as a magnet. A slide groove is provided inside the mounting groove 402, and the clamping slider 403 is installed in the slide groove of the mounting groove 402 through the compression spring 404. The clamping slider 403 is freely extended and retracted under the action of the compression spring 404; the clamping cover 401 is connected to the mounting groove 402 through the rotating shaft 402-1 and can be freely flipped around the rotating shaft 402-1; circular magnets are installed on the mating surfaces of the clamping cover 401 and the mounting groove 402, and the clamping cover 401 is closed by the suction force of the magnet. The Y-type valve assembly 5 is inserted into the installation groove 402. A guide may be provided on the clamping slider 403 and the installation groove 402, and the Y-type valve assembly 5 is allowed to enter the installation groove 402 through the guide. The clamping slider 403 presses the Y-type valve assembly 5 under the action of the compression spring 404. A limiting column 1 401-1 and a limiting column 2 401-2 are provided on the clamping cover 401, and the movement of the Y-type valve assembly 5 in the vertical direction is further limited by the limiting column 1 401-1 and the limiting column 2 401-2.

[0034] As attached Figure 6As shown in the figure, the Y-shaped valve assembly 5 includes a bevel gear 501, a conversion joint 502 and a Y-shaped valve 503. The bevel gear 501 is installed on the conversion joint 502. The left side of the conversion joint 502 is a male Luer connector interface, and is connected to the guiding catheter 3 through the male Luer connector interface. The right side of the conversion joint 502 is a female Luer connector interface, and is connected to the Y-shaped valve 503 through the female Luer connector interface. The conversion joint 502 is hermetically connected to both the guiding catheter 3 and the Y-shaped valve 503.

[0035] As shown in the Figure 7 figure, the rotary drive assembly 6 includes a bevel gear with shaft 601, a cylindrical gear A 602, an idler drive shaft 603, a motor 604, a cylindrical gear B 605, a cylindrical gear C 606 and standard parts such as flat keys and circlips. The output shaft of the motor 604 is connected to the cylindrical gear C 606. The cylindrical gear B 605 and the cylindrical gear A 602 are respectively installed on the idler drive shaft 603 and the bevel gear with shaft 601 through flat keys and circlips. The bevel gear with shaft 601 and the idler drive shaft 603 are respectively installed on the base of the mounting plate 7. The cylindrical gear C 606, the cylindrical gear B 605 and the cylindrical gear A 602 are meshed in sequence to drive the bevel gear with shaft 601 to rotate. The bevel gear with shaft 601 is meshed and connected to the bevel gear 501, and transmits the torque to the bevel gear 501, thereby driving the guiding catheter 3 to rotate.

[0036] As shown in the Figure 8 figure, the rotary drive assembly 6 can also adopt a synchronous pulley drive structure, which specifically includes a bevel gear with shaft 601, a motor 604, a synchronous pulley one 607, a synchronous pulley two 608 and a synchronous belt 609. The output shaft of the motor 604 is connected to the synchronous pulley one 607. The synchronous pulley one 607 is connected to the synchronous pulley two 608 through the synchronous belt 609. The synchronous pulley two 608 is connected to the bevel gear with shaft 601 and drives the bevel gear with shaft 601 to rotate. The bevel gear with shaft 601 is meshed and connected to the bevel gear 501, and transmits the torque to the bevel gear 501, thereby driving the guiding catheter 3 to rotate.

[0037] The present invention will be further described below in conjunction with specific embodiments:

[0038] Embodiment 1

[0039] Implement the delivery and retraction movements of the guiding catheter. The cannula assembly 1 is used to support and guide the movement of the guiding catheter. Its structure is as follows: the left end of the inner support tube 207 is connected to the front support mechanism 201, and the right end is connected to the limit block 206. It is installed inside the outer support tube 205; the rotating support tube 204 is embedded in the sandwich layer of the outer support tube 205 and can rotate around the axis direction within the sandwich layer. The movable shaft 202 is connected to the front support cap 203 and is installed on the front support mechanism 201 for clamping and relatively fixing with the vascular sheath. The movable shaft 202 can be pushed up and down within the front support mechanism 201, and the clamping and release of the vascular sheath are achieved through the attraction of internal magnets. Its usage method is as follows: first, restore the entire mechanism to the initial position. After connecting the guiding catheter 3 that has passed through the vascular sheath to the Y-valve assembly 5 and placing it inside the inner support tube 207, manually pull out the front support mechanism 201 and the inner support tube 207 to the designated position. Align the claws on the movable shaft 202 with the fixing holes on the vascular sheath for clamping and fixing. After relatively fixing the vascular sheath with the front support mechanism 201 to the patient's hand, clockwise dial the dial piece 204-1 on the rotating support tube 204 into the limit groove of the outer support tube 205 to completely wrap the guiding catheter 3. The guiding catheter drive operation box is externally connected to a robotic arm and a drive assembly (omitted in the present invention) to drive the device forward and backward to achieve the delivery and retraction movements of the guiding catheter. Among them, the inner support tube 207 and the outer support tube 205 are made of high-toughness resin materials. This kind of material is moderately hard and soft, reducing the delivery resistance and deformation amount of the guiding catheter in the pipeline, and can greatly improve the operability and end response speed during the operation.

[0040] Embodiment 2

[0041] Realize the quick installation, disassembly and clamping fixation of the Y-valve. The Y-valve assembly 5 is installed on the pressing groove 4, and the pressing groove 4 is fixedly installed on the mounting plate 7 by screws. The specific structure of the pressing groove 4 is as follows: there is a chute inside the mounting groove 402, and the pressing slider 403 is installed in the chute of the mounting groove 402 through a compression spring 404. The pressing slider 403 can freely expand and contract in the chute under the action of the compression spring 404; the pressing cover 401 is connected to the mounting groove 402 through the rotating shaft 402-1 thereon, and the pressing cover 401 can freely rotate around the rotating shaft 402-1; circular magnets are installed on the mating surfaces of the pressing cover 401 and the mounting groove 402, and the pressing cover is closed by the suction force of the magnets. The specific operation of the Y-valve is as follows: when installing the Y-valve, the Y-valve assembly 5 is snapped into the mounting groove 402. The pressing slider 403 and the mounting groove 402 are provided with guides, so that the Y-valve assembly 5 can easily enter the clamping groove. The pressing slider 403 presses the Y-valve assembly 5 tightly under the action of the compression spring 404; the pressing cover 401 is rotated to be closed. The pressing cover 401 is provided with a limiting post 401-1 and a limiting post 401-2, which further limit the movement of the Y-valve assembly 5 in the vertical direction. When disassembling the Y-valve, open the pressing cover 401 and lift the Y-valve assembly 5 slightly from any end to complete the disassembly.

[0042] Embodiment 3

[0043] Drive the guiding catheter to rotate through a gear transmission structure to realize the fine adjustment operation at the end of the catheter. In this embodiment, a Y-valve assembly 5 is used, and its structure is as follows: the bevel gear 501 is installed on a conversion joint 502. The left side of the conversion joint 502 is a male Luer connector interface, which can be connected to the guiding catheter 3, and the right side is a female Luer connector interface, which can be connected to the Y-valve 503; and this conversion joint 502 also has the function of a check valve and is hermetically connected to the guiding catheter 3 and the Y-valve 503. When necessary, the conversion joint 502 can be integrated with the bevel gear 501 and used as a single part. When driving the guiding catheter to rotate, only need to drive the bevel gear 501, and then the bevel gear 501 drives the guiding catheter 3 to rotate. The specific driving method for the guiding catheter to rotate is that the output shaft of the motor 604 is connected to the cylindrical gear C606. The cylindrical gear B605 and the cylindrical gear A602 are respectively installed on the idler shaft 603 and the shaft-mounted bevel gear 601 through flat keys and snap rings. The three pairs of cylindrical gears mesh with each other to drive the shaft-mounted bevel gear 601 to rotate, and further transmit the torque to the bevel gear 501, so as to realize the rotation of the guiding catheter. Among them, the shaft-mounted bevel gear 601 and the idler shaft 603 are respectively installed on the base of the mounting plate 7.

[0044] Embodiment 4

[0045] It is a modification of the structure of the rotary drive assembly 6 in Embodiment 3. By using a pair of synchronous belt pulleys 607, synchronous belt pulley 608 and synchronous belt 609, the synchronous belt pulley 608 is directly connected to the belt shaft bevel gear 601 and drives it to rotate. This structure is relatively simpler and easier to install, and the belt length of the synchronous belt can be flexibly adjusted according to the actual drive installation position, space size, etc.

[0046] The content not described in detail in this specification belongs to the prior art well-known to those skilled in the art. The standard parts used can be purchased from the market. The special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part all adopt conventional means such as bolts, rivets, welding, etc. that are mature in the prior art. The machines, parts and equipment all adopt conventional models in the prior art. The circuit connection adopts the conventional connection method in the prior art, and will not be elaborated here.

[0047] The present invention is not limited by the above embodiments. Any other changes, modifications, substitutions, combinations, and simplifications made without departing from the spirit and principle of the present invention shall be equivalent replacement methods and are all included in the protection scope of the present invention.

Claims

1. A guiding catheter delivery and rotation driving device for vascular interventional surgery, characterized in that: It includes a guiding catheter delivery mechanism (Ⅰ) and a guiding catheter rotation mechanism (Ⅱ); the guiding catheter delivery mechanism (Ⅰ) includes a sleeve assembly (1), a locking mechanism (2) and a guiding catheter (3), the guiding catheter (3) is placed inside the sleeve assembly (1), the sleeve assembly (1) is used for supporting and guiding the movement of the guiding catheter (3), one end of the guiding catheter (3) passes through the locking mechanism (2), and the locking mechanism (2) clamps and releases the vascular sheath; the guiding catheter rotation mechanism (Ⅱ) includes a pressing groove (4), a Y-valve assembly (5), a rotation transmission assembly (6) and a mounting plate (7), the other end of the guiding catheter (3) is connected to the Y-valve assembly (5) of the guiding catheter rotation mechanism (Ⅱ), the Y-valve assembly (5) is installed on the pressing groove (4), the pressing groove (4) is fixedly installed on the mounting plate (7) by screws, and the Y-valve assembly (5) rotates driven by the rotation transmission assembly (6), thereby driving the guiding catheter (3) to rotate; the locking mechanism (2) includes a front-end support mechanism (201), a movable shaft (202), a front-end support cap (203), a limit block (206) and an inner support tube (207), the sleeve assembly (1) includes a rotating support tube (204) and an outer support tube (205); the left end of the inner support tube (207) is connected to the front-end support mechanism (201), the right end of the inner support tube (207) is connected to the limit block (206), the inner support tube (207) is installed inside the rotating support tube (204) and can move axially along the rotating support tube (204), the rotating support tube (204) is embedded in the sandwich layer of the outer support tube (205) and can rotate around the axis direction in the sandwich layer; the movable shaft (202) is connected to the front-end support cap (203) and then installed on the front-end support mechanism (201), the movable shaft (202) is pushed and pulled up and down inside the front-end support mechanism (201), and the clamping and release of the vascular sheath are realized by the magnetic attraction inside; the pressing groove (4) includes a pressing cover (401), a mounting groove (402), a pressing slider (403) and a compression spring (404), the inside of the mounting groove (402) is provided with a chute, the pressing slider (403) is installed in the chute of the mounting groove (402) by the compression spring (404), and the pressing slider (403) freely expands and contracts under the action of the compression spring (404); the pressing cover (401) is connected to the mounting groove (402) by a rotating shaft (402-1) and freely flips around the rotating shaft (402-1); a circular magnet is installed on the mating surface of the pressing cover (401) and the mounting groove (402), and the pressing cover (401) is closed by the magnetic attraction force of the magnet.

2. The guiding catheter delivery and rotation driving device for vascular intervention surgery according to claim 1, wherein: The movable shaft (202) is provided with a claw, and the vascular sheath is clamped and fixed by aligning the claw with the fixing hole on the vascular sheath.

3. The guiding catheter delivery and rotation driving device for vascular intervention surgery according to claim 2, characterized in that: The rotating support tube (204) is provided with a toggle plate (204-1), and the outer support tube (205) is provided with a limiting groove that cooperates with the toggle plate (204-1). The rotating support tube (204) completely wraps the guiding catheter (3) by toggling the toggle plate (204-1) clockwise into the limiting groove of the outer support tube (205).

4. The guiding catheter delivery and rotation driving device for vascular intervention surgery according to claim 1, characterized in that: The inner support tube (207) and the outer support tube (205) are made of high-toughness resin material.

5. The guiding catheter delivery and rotation driving device for vascular intervention surgery according to claim 1, characterized in that: The Y-type valve assembly (5) is inserted into the installation groove (402), and the clamping slider (403) and the installation groove (402) are provided with guides, and the Y-type valve assembly (5) is allowed to enter the installation groove (402) through the guides. The clamping slider (403) presses the Y-type valve assembly (5) under the action of the compression spring (404), and the clamping cover (401) is provided with a limiting column 1 (401-1) and a limiting column 2 (401-2), and the movement of the Y-type valve assembly (5) in the vertical direction is further limited by the limiting column 1 (401-1) and the limiting column 2 (401-2).

6. The guiding catheter delivery and rotation driving device for vascular intervention surgery according to claim 1, wherein: The Y-type valve assembly (5) comprises a bevel gear (501), a conversion joint (502) and a Y-type valve (503). The bevel gear (501) is mounted on the conversion joint (502). The left side of the conversion joint (502) is a male Luer connector interface, which is connected to the guide catheter (3) via the male Luer connector interface. The right side of the conversion joint (502) is a female Luer connector interface, which is connected to the Y-type valve (503) via the female Luer connector interface. The conversion joint (502) is sealedly connected to the guide catheter (3) and the Y-type valve (503).

7. The guiding catheter delivery and rotation driving device for vascular intervention surgery according to claim 6, characterized in that: The rotary transmission assembly (6) comprises a bevel gear with a shaft (601), a cylindrical gear A (602), an intermediate gear transmission shaft (603), a motor (604), a cylindrical gear B (605) and a cylindrical gear C (606), wherein the output shaft of the motor (604) is connected to the cylindrical gear C (606), and the cylindrical gear B (605) and the cylindrical gear A (602) are respectively mounted on the intermediate gear transmission shaft (603) and the bevel gear with a shaft (601) via a flat key and a retaining spring. 01), the shaft bevel gear (601) and the intermediate gear transmission shaft (603) are respectively mounted on the base of the mounting plate (7), the cylindrical gear C (606), the cylindrical gear B (605) and the cylindrical gear A (602) are meshed in sequence to drive the shaft bevel gear (601) to rotate, the shaft bevel gear (601) is meshed and connected with the bevel gear (501), and the torque is transmitted to the bevel gear (501), thereby driving the guiding catheter (3) to rotate.

8. The guiding catheter delivery and rotation driving device for vascular intervention surgery according to claim 6, characterized in that: The rotary drive assembly (6) includes a shaft-mounted bevel gear (601), a motor (604), a first synchronous pulley (607), a second synchronous pulley (608) and a synchronous belt (609). The output shaft of the motor (604) is connected to the first synchronous pulley (607). The first synchronous pulley (607) and the second synchronous pulley (608) are connected by the synchronous belt (609). The second synchronous pulley (608) is connected to the shaft-mounted bevel gear (601) and drives the shaft-mounted bevel gear (601) to rotate. The shaft-mounted bevel gear (601) is meshed with the bevel gear (501) and transmits torque to the bevel gear (501), thereby driving the guide catheter (3) to rotate.

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