Catheter regulation and control handle

Abstract

The utility model relates to the field of medical instruments, in particular to a catheter regulation and control handle. The catheter regulation and control handle comprises a main body, a mandrel, a lead catheter, a first regulation and control unit, a second regulation and control unit and a locking block; the lead conduit is connected with one end, deviating from the main body, of the mandrel; the first regulation and control unit and the second regulation and control unit are rotationally connected to the mandrel and are sequentially arranged in the axis direction of the mandrel, and a plurality of guide wires led out by the lead guide pipe are connected with the first regulation and control unit and the second regulation and control unit respectively; the locking block is rotatably connected with the mandrel and abuts against the main body; the locking block is used for rotating relative to the core shaft under the action of external force and moving in the axis direction of the core shaft so as to press the first regulation and control unit and the second regulation and control unit. The catheter regulation and control handle is simple in structure and convenient to operate.

Description

Technical Field

[0001] The utility model relates to the field of medical devices, and in particular to a catheter regulating handle. Background Art

[0002] When using intracardiac ultrasound for two-dimensional, three-dimensional or four-dimensional imaging, the catheter in the intracardiac ultrasound can place the ultrasound probe at its distal end in the atrium of the patient's heart. The doctor observes the treatment position through the ultrasound probe and positions the treatment device at the treatment position to treat the patient. Since the lesions of different patients are located in different locations and multiple locations in the heart cavity need to be detected, a control handle needs to be set at the proximal end of the catheter to flexibly control the catheter so that the ultrasound probe at the distal end of the catheter is in different postures to facilitate observation of different locations.

[0003] The existing control handle deflects the ultrasonic probe in different directions by pulling the traction member in the tube wall of the catheter through the control handle, thereby adjusting the posture of the ultrasonic probe. However, it is often complex in structure and costly, and the operation is complicated when adjusting the posture of the ultrasonic probe, making it very troublesome to control. Utility Model Content

[0004] The utility model aims to provide a catheter regulating handle which has a simple structure and is easy to operate.

[0005] The embodiment of the utility model is achieved as follows:

[0006] The utility model provides a catheter regulating handle, which comprises a main body, a core shaft, a guide wire catheter, a first regulating unit, a second regulating unit and a locking block;

[0007] The core shaft is connected to the main body, and the guide wire catheter is connected to one end of the core shaft away from the main body; the first regulating unit and the second regulating unit are both rotatably connected to the core shaft, and are sequentially arranged along the axial direction of the core shaft, and multiple catheter lines led out of the guide wire catheter are respectively connected to the first regulating unit and the second regulating unit; the locking block is rotatably connected to the core shaft and abuts against the main body;

[0008] The locking block is used to rotate relative to the core shaft under the action of external force and move toward the axial direction of the core shaft to press the first regulating unit and the second regulating unit.

[0009] In an optional embodiment, the main body is provided with at least one locking column, which protrudes along the axis direction of the core shaft toward the locking block;

[0010] A locking groove is provided on one side of the locking block facing the main body in the axial direction of the core shaft, and the distance from the bottom of the locking groove to the notch of the locking groove gradually decreases in the axial direction of the core shaft;

[0011] The end of the locking column is abutted against the bottom of the locking groove, so that when the locking block rotates relative to the core shaft under the action of external force, the locking block moves along the axial direction of the core shaft.

[0012] In an optional embodiment, along the axis direction of the core shaft, the first regulating unit, the second regulating unit and the locking block are sequentially arranged; the first regulating unit includes a first rotating shaft and a first rotating shell, the first rotating shaft is rotatably connected to the core shaft, and the first rotating shell is sleeved on the first rotating shaft;

[0013] The second regulating unit comprises a second rotating shaft and a second rotating shell, the second rotating shaft is rotatably connected to the core shaft, and the second rotating shell is sleeved on the second rotating shaft;

[0014] The catheter regulating handle also includes a limit pin connected to the core shaft, the limit pin is located on the side of the first rotating shaft away from the second rotating shaft, and the second rotating shaft is used to move toward the direction of the first rotating shaft under the external force of the locking block, thereby making the first rotating shaft abut against the limit pin.

[0015] In an optional embodiment, a flexible pad is arranged between the limiting pin and the first rotating shaft, between the first rotating shaft and the second rotating shaft, or between the second rotating shaft and the locking block.

[0016] In an optional embodiment, the catheter regulating handle further comprises a main body cap, which is connected to the core shaft, and along the axis direction of the core shaft, the first rotating shell, the second rotating shell and the locking block are all located between the main body cap and the main body;

[0017] The outer circumference of the main cap, the outer circumference of the first rotating shell, the outer circumference of the second rotating shell, the outer circumference of the locking block and the outer circumference of the main body are respectively provided with a first positioning mark, a second positioning mark, a third positioning mark, a fourth positioning mark and a fifth positioning mark.

[0018] In an optional embodiment, the catheter regulating handle further comprises a partition block, which is connected to the core shaft and is located between the first rotating shaft and the second rotating shaft, and the first rotating shell and the second rotating shell are covered on the partition block;

[0019] Along the axial direction of the core shaft, a first limiting protrusion and a second limiting protrusion are respectively arranged at both ends of the dividing block; a first limiting groove cooperating with the first limiting protrusion is arranged around the axial direction of the core shaft on the side of the first rotating shaft close to the dividing block; a second limiting groove cooperating with the second limiting protrusion is arranged around the axial direction of the core shaft on the side of the second rotating shaft close to the dividing block.

[0020] In an optional embodiment, the core shaft is provided with a guide groove and a wire guide groove along its axial direction; the guide groove is communicated with the wire guide tube, and the wire guide groove is communicated with the guide groove; the partition block is provided with a guide protrusion matched with the guide groove;

[0021] The multiple catheter wires led out of the wire guide catheter are all led out from the guide groove and the wire guide groove, and are respectively wound around the first rotating shaft and the second rotating shaft.

[0022] In an optional embodiment, a guide wire member is disposed in the guide groove, and the guide wire member is used to guide the catheter wire connected to the first rotating shaft to extend out of the guide wire groove and to guide the catheter wire connected to the second rotating shaft to extend out of the guide wire groove.

[0023] In an optional embodiment, the catheter regulating handle further includes a first winding block, a second winding block, a third winding block and a fourth winding block;

[0024] The plurality of catheter wires led out of the guide wire catheter include a first catheter wire, a second catheter wire, a third catheter wire and a fourth catheter wire;

[0025] The first winding block and the second winding block are connected to the first rotating shaft and are used to wind the first catheter line and the second catheter line respectively; the third winding block and the fourth winding block are connected to the second rotating shaft and are used to wind the third catheter line and the fourth catheter line respectively.

[0026] In an optional embodiment, along the axial direction of the core shaft, the first rotating shaft is provided with a first positioning hole, the separating block is provided with a second positioning hole, and the second rotating shaft is provided with a third positioning hole;

[0027] The catheter regulating handle also includes a positioning pin, which is used to cooperate with the first positioning hole, the second positioning hole and the third positioning hole to limit the rotation of the first rotating shaft and the second rotating shaft relative to the core shaft.

[0028] The beneficial effects of the embodiments of the utility model include:

[0029] The catheter control handle comprises a main body, a core shaft, a guide wire catheter, a first control unit, a second control unit and a locking block; wherein the core shaft is connected to the main body, and the guide wire catheter is connected to an end of the core shaft away from the main body; the first control unit and the second control unit are both rotatably connected to the core shaft, and are sequentially arranged along the axial direction of the core shaft, and a plurality of catheter lines led out of the guide wire catheter are respectively connected to the first control unit and the second control unit; thus, the guide wire catheter can be controlled by operating the first control unit and the second control unit, so that the ultrasound probe at the distal end of the guide wire catheter is in different postures, so as to observe different positions;

[0030] Moreover, during the operation, after the first regulating unit and the second regulating unit are operated so that the ultrasonic probe at the distal end of the guide catheter is in a correct posture position, the first regulating unit and the second regulating unit can be pressed by rotating the locking block, thereby limiting the rotation of the first regulating unit and the second regulating unit, thereby maintaining the posture position of the ultrasonic probe, so as to improve the stability of use;

[0031] In summary, the catheter control handle has a simple structure, is easy to operate, and can maintain the posture position of the ultrasound probe, avoiding misalignment of the first control unit and the second control unit, thereby improving stability during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0033] Figure 1 This is a schematic diagram of the structure of the catheter control handle in the embodiment of the utility model;

[0034] Figure 2 This is an exploded schematic diagram of the catheter control handle in the embodiment of the utility model;

[0035] Figure 3 This is a schematic diagram of the structure of the locking block in the embodiment of the utility model;

[0036] Figure 4 This is a structural schematic diagram of the mandrel and the main body in the embodiment of the utility model;

[0037] Figure 5 This is a schematic diagram of the installation of the first rotating shaft and the second rotating shaft in the embodiment of the utility model;

[0038] Figure 6 It is a schematic diagram of the structure of the first rotating shaft, the partition block and the second rotating shaft in the embodiment of the utility model;

[0039] Figure 7 It is a cross-sectional view of the first rotating shaft, the partition block and the second rotating shaft in the embodiment of the utility model;

[0040] Figure 8 This is a schematic diagram of the installation of the first rotating shaft, the partition block and the second rotating shaft in the embodiment of the utility model;

[0041] Fig. 9 This is an exploded schematic diagram of the first rotating shaft, the partition block and the second rotating shaft in the embodiment of the utility model;

[0042] Fig.10 It is a cross-sectional view of the core shaft, the first rotating shaft, the partition block and the second rotating shaft in the embodiment of the utility model.

[0043] Icons: 200-catheter control handle; 210-main body; 220-mandrel; 230-guide tube; 240-first control unit; 250-second control unit; 260-locking block; 211-locking column; 261-locking groove; 262-holding plane; 270-flexible pad; 241-first rotating shaft; 242-first rotating shell; 251-second rotating shaft; 252-second rotating shell; 212-limiting pin; 280-main body cap; 201-first positioning mark; 202-second positioning mark; 203-third positioning mark; 204- Fourth positioning mark; 205-fifth positioning mark; 290-dividing block; 291-first limiting protrusion; 292-second limiting protrusion; 243-first limiting groove; 253-second limiting groove; 221-guide groove; 222-lead groove; 293-guide protrusion; 223-first lead member; 224-second lead member; 244-first winding block; 245-second winding block; 254-third winding block; 255-fourth winding block; 206-first positioning hole; 207-second positioning hole; 208-third positioning hole; 209-positioning pin. DETAILED DESCRIPTION

[0044] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0045] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0046] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0047] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, or the orientation or position relationship in which the utility model product is usually placed when in use, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0048] In addition, the terms "horizontal", "vertical" and the like do not mean that the components are required to be absolutely horizontal or suspended, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0049] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0050] Please refer to Figure 1-Figure 3 , this embodiment provides a catheter regulating handle 200, the catheter regulating handle 200 includes a main body 210, a core shaft 220, a guide wire catheter 230, a first regulating unit 240, a second regulating unit 250 and a locking block 260;

[0051] The core shaft 220 is connected to the main body 210, and the guide wire catheter 230 is connected to the end of the core shaft 220 away from the main body 210; the first regulating unit 240 and the second regulating unit 250 are both rotatably connected to the core shaft 220, and are sequentially arranged along the axial direction of the core shaft 220, and multiple catheter lines led out of the guide wire catheter 230 are respectively connected to the first regulating unit 240 and the second regulating unit 250; the locking block 260 is rotatably connected to the core shaft 220 and abuts against the main body 210;

[0052] The locking block 260 is used to rotate relative to the core shaft 220 under the action of external force and move toward the axial direction of the core shaft 220 to press the first regulating unit 240 and the second regulating unit 250 .

[0053] Please refer to Figure 1-Figure 3The working principle of the catheter control handle 200 is:

[0054] First, the distal end of the guide wire catheter 230 is used to install the ultrasound probe, and the posture of the distal end of the guide wire catheter 230 can be controlled and adjusted through the catheter wire, that is, the guide wire catheter 230 can be bent under the action of the catheter wire, so that different positions can be observed through the ultrasound probe at the distal end;

[0055] The proximal end of the guide wire catheter 230 is connected to the core shaft 220. It should be noted that the portion of the guide wire catheter 230 used to install the ultrasound probe and the portion connected to the core shaft 220 can be made in one piece or in a separate assembly manner.

[0056] The guide wire catheter 230 has a plurality of catheter wires for controlling the posture of the distal end of the guide wire catheter 230, and the catheter wires are led out from the core shaft 220 and are respectively connected to the first control unit 240 and the second control unit 250; the first control unit 240 and the second control unit 250 are both rotatably connected to the core shaft 220, and are sequentially arranged along the axial direction of the core shaft 220, so that the posture of the distal end of the guide wire catheter 230 can be controlled by operating one or more of the first control unit 240 and the second control unit 250, so that the ultrasound probe connected to the distal end of the guide wire catheter 230 is in different postures, so as to observe different positions;

[0057] Moreover, during the operation, after the first regulating unit 240 and the second regulating unit 250 are operated to make the ultrasonic probe at the distal end of the guide tube 230 in the correct posture position, the locking block 260 can be rotated to compress the first regulating unit 240 and the second regulating unit 250, thereby limiting the rotation of the first regulating unit 240 and the second regulating unit 250, so as to maintain the posture position of the ultrasonic probe, so as to improve the stability of use;

[0058] In summary, the catheter control handle 200 has a simple structure and is easy to operate, and can maintain the posture position of the ultrasound probe, avoiding the first control unit 240 and the second control unit 250 from moving out of position, thereby improving stability during use.

[0059] For further information, please refer to Figure 1-Figure 4As can be seen from the above content, the present embodiment adopts a method of rotating the locking block 260, so that the locking block 260 can be displaced along the axial direction of the core shaft 220 while rotating relative to the core shaft 220, and then can press the first regulating unit 240 and the second regulating unit 250 to limit the rotation of the first regulating unit 240 and the second regulating unit 250 relative to the core shaft 220. Therefore, in order to enable the locking block 260 to be displaced along the axial direction of the core shaft 220 while rotating relative to the core shaft 220, the main body 210 is configured with at least one A locking column 211 protrudes along the axial direction of the core shaft 220 toward the locking block 260; a locking groove 261 is opened on the side of the locking block 260 facing the main body 210 around the axial direction of the core shaft 220, and the distance from the bottom of the locking groove 261 to the groove opening of the locking groove 261 gradually decreases around the axial direction of the core shaft 220; wherein, the end of the locking column 211 is abutted against the bottom of the locking groove 261, so that when the locking block 260 rotates relative to the core shaft 220 under the action of external force, the locking block 260 moves along the axial direction of the core shaft 220.

[0060] Therefore, through the structural arrangement of the locking column 211 and the locking groove 261, the end of the locking column 211 is abutted against the bottom of the locking groove 261, so that the locking column 211 can slide relative to the locking groove 261 during the rotation of the locking block 260 relative to the spindle 220 under the action of an external force. Since the distance from the bottom of the locking groove 261 to the notch of the locking groove 261 gradually decreases around the axis of the spindle 220, the locking groove 261 can change its position relative to the locking column 211 as the locking block 260 rotates, so that the locking block 260 can be rotated along the spindle 220. The locking block 260 can move along the axis of the first regulating unit 240 and the second regulating unit 250, so that when the locking block 260 moves toward the first regulating unit 240 and the second regulating unit 250, a pressing force can be applied to the first regulating unit 240 and the second regulating unit 250, so that the locking block 260, the first regulating unit 240 and the second regulating unit 250 are mutually supported, thereby limiting the rotation of the first regulating unit 240 and the second regulating unit 250 relative to the core shaft 220. In this way, the catheter regulating handle 200 is in a locked state to maintain the posture position of the ultrasonic probe, so as to improve the stability of use.

[0061] It should be noted that, based on the above structure, when configuring the locking groove 261, retaining planes 262 can be respectively configured at both ends of the locking groove 261. The purpose is to keep the relative position of the locking column 211 unchanged when it is against the retaining planes 262 at both ends of the locking groove 261, thereby avoiding relative sliding between the locking column 211 and the locking groove 261, thereby avoiding the locking block 260 from being dislocated relative to the core shaft 220, thereby keeping the rotation of the first control unit 240 and the second control unit 250 relative to the core shaft 220 in a restricted state, and further maintaining the posture position of the ultrasonic probe at the distal end of the guide catheter 230.

[0062] It should also be noted that, in the present embodiment, when configuring the above-mentioned locking groove 261 and locking column 211, a method of configuring three locking grooves 261 and locking column 211 is adopted, and during use, the movable stroke of the locking column 211 in the locking groove 261 around the axial direction of the core shaft 220 is the rotation stroke of the locking block 260. Based on this, the present embodiment adopts a setting method in which the one-way rotation angle of the locking block 260 is 95°. Taking its one-way rotation maximum angle of 95° as an example, when it is not rotated, the end of the locking column 211 is kept flush with one end of the locking groove 261 The surface 262 is abutted against the first regulating unit 240 and the second regulating unit 250, and when it is necessary to lock the first regulating unit 240 and the second regulating unit 250, the locking block 260° can be rotated unidirectionally to make the end of the locking column 211 abut against the retaining plane 262 at the other end of the locking groove 261, so that the first regulating unit 240 and the second regulating unit 250 can be locked, and when it is locked and in the initial position, the end of the locking column 211 abuts against the retaining plane 262 at one end of the locking groove 261, thereby avoiding relative sliding between the locking column 211 and the locking groove 261, thereby maintaining stability in use.

[0063] For further information, please refer to Figure 1-Figure 10 In this embodiment, along the axis direction of the core shaft 220, the first regulating unit 240, the second regulating unit 250 and the locking block 260 are sequentially arranged; and in this embodiment, when configuring the first regulating unit 240 and the second regulating unit 250, the first regulating unit 240 includes a first rotating shaft 241 and a first rotating shell 242, the first rotating shaft 241 is rotatably connected to the core shaft 220, and the first rotating shell 242 is sleeved on the first rotating shaft 241; the second regulating unit 250 includes a second rotating shaft 251 and a second rotating shell 252, the second rotating shaft 251 is rotatably connected to the core shaft 220, and the second rotating shell 252 is sleeved on the second rotating shaft 251; it should be noted that the first rotating shaft 241 can also move relative to the core shaft along the axis of the core shaft 220;

[0064] The catheter regulating handle 200 also includes a limit pin 212 connected to the core shaft 220. The limit pin 212 is located on the side of the first rotating shaft 241 away from the second rotating shaft 251. The second rotating shaft 251 is used to move toward the direction of the first rotating shaft 241 under the external force of the locking block 260, thereby making the first rotating shaft 241 abut against the limit pin 212.

[0065] Therefore, through such a setting, when the locking block 260 moves along the axial direction of the core shaft 220 and abuts against the second rotating shaft 251 adjacent to it, the second rotating shaft 251 can be pushed to abut against the first rotating shaft 241, and the first rotating shaft 241 is pressed against the limit pin 212 under the action of external force. Therefore, through such a setting, the locking block 260 can limit the rotation of the first rotating shaft 241 and the second rotating shaft 251 relative to the core shaft 220.

[0066] On the basis of the above structure, in order to play a corresponding buffering role in the process of rotating the locking block 260, a flexible pad 270 is provided, and when configuring the flexible pad 270, a flexible pad can be configured between the limit pin 212 and the first rotating shaft 241, between the first rotating shaft 241 and the second rotating shaft 251, or between the second rotating shaft 251 and the locking block 260. Such a configuration has the effect of playing a corresponding buffering role through the flexible pad 270 in the process of rotating the locking block 260.

[0067] It should be noted that, through such a structural setting, when the catheter control handle 200 is not locked and the bending direction of the distal end of the guide catheter 230 needs to be adjusted, one or both of the first rotating shell 242 and the second rotating shell 252 can be rotated, thereby causing one or both of the first rotating shaft 241 and the second rotating shaft 251 to rotate, thereby driving the catheter line to retract or release, thereby adjusting the bending state of the distal end of the guide catheter 230.

[0068] For further information, please refer to Figure 1-Figure 10 In this embodiment, the catheter control handle 200 further includes a main body cap 280, which is connected to the core shaft 220. Along the axial direction of the core shaft 220, the first rotating shell 242, the second rotating shell 252 and the locking block 260 are all located between the main body cap 280 and the main body 210; and the outer circumference of the main body cap 280, the outer circumference of the first rotating shell 242, the outer circumference of the second rotating shell 252, the outer circumference of the locking block 260 and the outer circumference of the main body 210 are respectively provided with a first positioning mark 201, a second positioning mark 202, a third positioning mark 203, a fourth positioning mark 204 and a fifth positioning mark 205. Among them, the first positioning mark 201, the second positioning mark 202, the third positioning mark 203, the fourth positioning mark 204 and the fifth positioning mark 205 can be dots, horizontal lines, straight bars or other types of marking styles.

[0069] Therefore, during use, since the main body cap 280 and the main body 210 are fixed relative to the core shaft 220, the positions of the first positioning mark 201 and the fifth positioning mark 205 set on the main body cap 280 and the main body 210 are fixed, and thus in this way, the positions of the second positioning mark 202, the third positioning mark 203 and the fourth positioning mark 204 can be determined based on the first positioning mark 201 and the fifth positioning mark 205, so as to locate the positions of the first regulating unit 240, the second regulating unit 250 and the locking block 260, so as to determine the rotation angles of the first regulating unit 240, the second regulating unit 250 and the locking block 260, and to reset the first regulating unit 240, the second regulating unit 250 and the locking block 260 to their initial positions.

[0070] Based on the above structure settings, please refer to Figure 1-Figure 10 In this embodiment, the catheter regulating handle 200 further includes a partition block 290, which is connected to the core shaft 220 and is located between the first rotating shaft 241 and the second rotating shaft 251, and the first rotating shell 242 and the second rotating shell 252 are covered by the partition block 290;

[0071] Along the axial direction of the core shaft 220, the two ends of the dividing block 290 are respectively provided with a first limiting protrusion 291 and a second limiting protrusion 292; the first rotating shaft 241 is close to the dividing block 290 and is provided with a first limiting groove 243 that cooperates with the first limiting protrusion 291 around the axial direction of the core shaft 220; the second rotating shaft 251 is close to the dividing block 290 and is provided with a second limiting groove 253 that cooperates with the second limiting protrusion 292 around the axial direction of the core shaft 220.

[0072] Through the above-mentioned structural arrangement, since the partition block 290 is located between the first rotating shaft 241 and the second rotating shaft 251, the first limiting protrusion 291 and the second limiting protrusion 292 disposed on the partition block 290 can respectively guide the rotation of the first rotating shaft 241 and the second rotating shaft 251 and limit the rotation stroke. It should be noted that when the flexible pad 270 is disposed between the first rotating shaft 241 and the second rotating shaft 251, the flexible pad 270 can be disposed between the second rotating shaft 251 and the partition block 290.

[0073] Furthermore, when configuring the core shaft 220, in order to facilitate the connection of multiple catheter wires with the first rotating shaft 241 and the second rotating shaft 251, the core shaft 220 is configured with a guide groove 221 and a guide groove 222 along its axial direction; the guide groove 221 is connected to the guide wire catheter 230, and the guide groove 222 is connected to the guide groove 221; the partition block 290 is configured with a guide protrusion 293 that cooperates with the guide groove 221; wherein, the multiple catheter wires led out of the guide wire catheter 230 are all led out by the guide groove 221 and the guide groove 222, and are respectively connected to the first rotating shaft 241 and the second rotating shaft 251. In addition, a guide piece can also be arranged in the guide groove 221, and the guide piece is used to guide the catheter wire connected to the first rotating shaft 241 to extend out of the guide groove 222 and to guide the catheter wire connected to the second rotating shaft 251 to extend out of the guide groove 222. Based on this, in the present embodiment, two lead pieces are arranged in the guide groove 221, and the two lead clips include a first lead piece 223 and a second lead piece 224. The first lead piece 223 and the second lead piece 224 are arranged at intervals along the axial direction of the core shaft 220. The first lead piece 223 is used to guide the catheter wire wound around the first rotating shaft 241 to extend out of the lead groove 222, and the second lead piece 224 is used to guide the catheter wire wound around the second rotating shaft 251 to extend out of the lead groove 222. It should also be noted that when configuring the first lead piece 223 and the second lead piece 224, the structural styles of the first lead piece 223 and the second lead piece 224 can be round, square or other special-shaped pieces; and in other embodiments of the present utility model, the number of lead pieces can also be adjusted according to usage requirements.

[0074] In addition, in order to facilitate the connection of the catheter wire with the first rotating shaft 241 and the second rotating shaft 251, the catheter control handle 200 further includes a first winding block 244, a second winding block 245, a third winding block 254 and a fourth winding block 255; the multiple catheter wires led out of the guide catheter 230 include a first catheter wire, a second catheter wire, a third catheter wire and a fourth catheter wire;

[0075] The first winding block 244 and the second winding block 245 are connected to the first rotating shaft 241 and are used to wind the first catheter line and the second catheter line respectively; the third winding block 254 and the fourth winding block 255 are connected to the second rotating shaft 251 and are used to wind the third catheter line and the fourth catheter line respectively.

[0076] That is, through the above-mentioned structural setting, it is possible to facilitate the corresponding routing and wiring inside the catheter control handle 200 to improve the smoothness of the catheter control handle 200 during operation. At the same time, such a setting method can facilitate wire separation and avoid the catheter wire from getting entangled and stuck inside.

[0077] Moreover, during use, along the axial direction of the core shaft 220, the first rotating shaft 241 is provided with a first positioning hole 206, the partition block 290 is provided with a second positioning hole 207, and the second rotating shaft 251 is provided with a third positioning hole 208; it should be noted that the number of the first positioning hole 206, the second positioning hole 207 and the third positioning hole 208 can be adjusted according to the needs of use, so as to cooperate with the positioning pin 209 described below;

[0078] The catheter control handle 200 also includes a positioning pin 209, which is used to cooperate with the first positioning hole 206, the second positioning hole 207 and the third positioning hole 208 to limit the rotation of the first rotating shaft 241 and the second rotating shaft 251 relative to the core shaft 220. Through such a setting, since the partition block 290 is provided with a guide protrusion 293 that cooperates with the guide groove 221, the partition block 290 cannot rotate relative to the core shaft 220. Based on this, when the positioning pin 209 cooperates with the first positioning hole 206, the second positioning hole 207 and the third positioning hole 208, the rotation of the first rotating shaft 241 and the second rotating shaft 251 relative to the core shaft 220 can be limited, thereby facilitating the installation and positioning of the first rotating shaft 241 and the second rotating shaft 251. It should be noted that in this embodiment, the guide groove 221 and the guide protrusion 293 are matched one by one, so this embodiment is described by taking both as one as an example, and in other embodiments of the utility model, both can also be set as multiple.

[0079] In summary, please refer to Figure 1-Figure 10 The catheter regulating handle 200 has a simple structure and is easy to operate. It can simplify the locking structure and operation method and improve the stability of the locking operation. Moreover, through the groove structure on the core shaft 220 and the setting of the lead ring, the catheter line can be divided, so that the catheter line can be changed from point contact to line contact during the winding process, and the position of the line is more regular to prevent it from running around, fix the slot, prevent knotting, and cannot rotate. Moreover, through the setting of the positioning hole, the same position of the product can be guaranteed during installation. Moreover, through multiple positioning marks, rotation positioning can be conveniently performed to facilitate the reset operation.

[0080] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be subject to various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A catheter control handle, characterized in that: The catheter regulating handle comprises a main body, a core shaft, a guide wire catheter, a first regulating unit, a second regulating unit and a locking block; The core shaft is connected to the main body, and the guide wire catheter is connected to one end of the core shaft away from the main body; the first regulating unit and the second regulating unit are both rotatably connected to the core shaft and are sequentially arranged along the axial direction of the core shaft, and a plurality of catheter lines led out of the guide wire catheter are respectively connected to the first regulating unit and the second regulating unit; the locking block is rotatably connected to the core shaft and abuts against the main body; The locking block is used to rotate relative to the core shaft under the action of external force and move toward the axial direction of the core shaft to press the first regulating unit and the second regulating unit.

2. The catheter control handle according to claim 1, characterized in that: The main body is provided with at least one locking column, and the locking column protrudes along the axis direction of the core shaft toward the locking block; The locking block is provided with a locking groove on one side of the main body around the axis of the mandrel, and the distance from the bottom of the locking groove to the notch of the locking groove gradually decreases around the axis of the mandrel; The end of the locking column is abutted against the bottom of the locking groove, so that when the locking block rotates relative to the core shaft under the action of external force, the locking block moves along the axial direction of the core shaft.

3. The catheter control handle according to claim 1, characterized in that: Along the axial direction of the core shaft, the first regulating unit, the second regulating unit and the locking block are arranged in sequence; The first regulating unit comprises a first rotating shaft and a first rotating shell, the first rotating shaft is rotatably connected to the core shaft, and the first rotating shell is sleeved on the first rotating shaft; the second regulating unit comprises a second rotating shaft and a second rotating shell, the second rotating shaft is rotatably connected to the core shaft, and the second rotating shell is sleeved on the second rotating shaft; The catheter regulating handle also includes a limit pin connected to the core shaft, and the limit pin is located on the side of the first rotating shaft away from the second rotating shaft. The second rotating shaft is used to move in the direction of the first rotating shaft under the external force of the locking block, so that the first rotating shaft is abutted against the limit pin.

4. The catheter control handle according to claim 3, characterized in that: A flexible pad is arranged between the limiting pin and the first rotating shaft, between the first rotating shaft and the second rotating shaft, or between the second rotating shaft and the locking block.

5. The catheter control handle according to claim 3, characterized in that: The catheter regulating handle further comprises a main body cap, the main body cap is connected to the core shaft, and along the axis direction of the core shaft, the first rotating shell, the second rotating shell and the locking block are all located between the main body cap and the main body; The outer circumferential surface of the main body cap, the outer circumferential surface of the first rotating shell, the outer circumferential surface of the second rotating shell, the outer circumferential surface of the locking block and the outer circumferential surface of the main body are respectively provided with a first positioning mark, a second positioning mark, a third positioning mark, a fourth positioning mark and a fifth positioning mark.

6. The catheter control handle according to claim 3, characterized in that: The catheter regulating handle further comprises a partition block, the partition block is connected to the core shaft and is located between the first rotating shaft and the second rotating shaft, and the first rotating shell and the second rotating shell are covered on the partition block; Along the axial direction of the core shaft, the two ends of the dividing block are respectively provided with a first limiting protrusion and a second limiting protrusion; a first limiting groove cooperating with the first limiting protrusion is arranged around the axial direction of the core shaft on the side of the first rotating shaft close to the dividing block; a second limiting groove cooperating with the second limiting protrusion is arranged around the axial direction of the core shaft on the side of the second rotating shaft close to the dividing block.

7. The catheter control handle according to claim 6, characterized in that: The core shaft is provided with a guide groove and a wire guide groove along its axial direction; the guide groove is communicated with the wire guide tube, and the wire guide groove is communicated with the guide groove; the partition block is provided with a guide protrusion matched with the guide groove; Wherein, the multiple catheter wires led out of the guide wire catheter are all led out from the guide groove and the guide wire groove, and are respectively wound around the first rotating shaft and the second rotating shaft.

8. The catheter control handle according to claim 7, characterized in that: A wire guide is provided in the guide groove, and the wire guide is used to guide the catheter wire connected to the first rotating shaft to extend out of the wire guide groove and to guide the catheter wire connected to the second rotating shaft to extend out of the wire guide groove.

9. The catheter control handle according to claim 8, characterized in that: The catheter regulating handle also includes a first winding block, a second winding block, a third winding block and a fourth winding block; The plurality of catheter lines led out of the guide wire catheter include a first catheter line, a second catheter line, a third catheter line and a fourth catheter line; The first winding block and the second winding block are connected to the first rotating shaft and are used to wind the first catheter line and the second catheter line respectively; the third winding block and the fourth winding block are connected to the second rotating shaft and are used to wind the third catheter line and the fourth catheter line respectively.

10. The catheter regulating handle according to claim 6, characterized in that: Along the axial direction of the core shaft, the first rotating shaft is provided with a first positioning hole, the partition block is provided with a second positioning hole, and the second rotating shaft is provided with a third positioning hole; The catheter regulating handle further includes a positioning pin, and the positioning pin is used to cooperate with the first positioning hole, the second positioning hole and the third positioning hole to limit the rotation of the first rotating shaft and the second rotating shaft relative to the core shaft.

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