Interventional catheter auxiliary fixator for heart and cerebral vessel nursing

Abstract

The invention provides an interventional catheter auxiliary fixator for cardiovascular and cerebrovascular nursing, and belongs to the technical field of cardiovascular and cerebrovascular interventional therapy catheter positioning. Comprising a mounting mechanism, and a catheter fixator is fixedly mounted at the top of the mounting mechanism; the catheter fixator comprises a vertical adjusting mechanism, and the vertical adjusting mechanism is fixedly installed on the top of the installation mechanism. Through cooperation of the vertical adjusting mechanism and the transverse adjusting mechanism, the height and the transverse position of the arm supporting plate and the positioner can be flexibly adjusted in the use period to adapt to treatment of different patients, the mounting mechanism is easy to operate, the device can be rapidly mounted and dismounted through cooperation of the clamping frame and the screw rod, and in the aspect of catheter positioning, the adjustable positioner has a unique transmission structure; catheters with different thicknesses can be stably clamped, the positioning angle can be adjusted, a plurality of adjustable positioners can clamp a plurality of catheters at the same time, the adaptability, convenience and adjusting capacity of the whole device in the treatment process are remarkably improved, and powerful support is provided for cardiovascular interventional treatment.

Description

Technical Field

[0001] The invention relates to the technical field of cardiovascular and cerebrovascular interventional treatment catheter positioning, and in particular to an interventional catheter auxiliary fixer for cardiovascular and cerebrovascular care. Background Art

[0002] Currently, in the process of cardiovascular interventional treatment, proper handling of catheters plays a key role in the success of treatment, but it is currently facing many thorny problems. In terms of catheter fixation, the traditional fixation method is that medical staff use external tape to stick the catheter outside the patient's body to the skin. However, this method has serious defects. The tape is not firmly adhered and is easy to loosen, which makes the catheter at risk of detaching from the patient's body. Once the catheter is detached, it will not only interrupt the treatment process, but also may tear the patient's wound and cause secondary injury. At this time, the doctor has to re-perform the needle operation, which undoubtedly causes the patient to suffer a third injury and brings great safety hazards to the patient's surgery. Moreover, some patients have sensitive skin and are prone to allergies when using tape, which not only increases the patient's pain, but also may interfere with the normal progress of the treatment.

[0003] At the same time, the positioning of catheters of different thicknesses also faces difficulties. The diameters of blood vessels in various parts of the human cardiovascular system vary significantly. Large blood vessels such as the aorta have larger diameters, while branch blood vessels such as the coronary arteries are thinner. In order to successfully enter blood vessels of different diameters for treatment, it is necessary to select appropriate catheters based on the specific diameters. For example, coronary artery intervention may use smaller catheters such as 2.5F and 3F to avoid damaging blood vessels. Not only that, different treatment operations have different requirements for catheter function and thickness. Angiography requires the use of 3F-5F thinner catheters to inject contrast agents to achieve clear imaging, vascular dilation, and stent implantation. Treatments such as endovascular treatments require 6F, 7F or thicker catheters to deliver the devices. In addition, due to the wide variety of individual vascular conditions and physical conditions of patients, patients with thin, tortuous or narrow blood vessels require thinner and softer catheters to reduce stimulation and damage to the blood vessels, while patients with better vascular conditions can choose appropriate catheters according to actual needs. However, at present, in actual operations, it is rather cumbersome to accurately select and position catheters of different thicknesses, and there is a lack of efficient and precise positioning methods. This not only consumes a lot of time and energy of medical staff, but may also affect the treatment effect due to inaccurate positioning, delaying the best treatment time for patients. Summary of the invention

[0004] In view of the problem in the prior art that it is inconvenient to stably position catheters of different thicknesses during cardiovascular interventional treatment, the purpose of the present invention is to provide an interventional catheter auxiliary fixator for cardiovascular and cerebrovascular care.

[0005] To solve the above problems, the present invention adopts the following technical solutions:

[0006] An interventional catheter auxiliary fixer for cardiovascular and cerebrovascular care, comprising a mounting mechanism, a catheter fixer being fixedly mounted on the top of the mounting mechanism; the catheter fixer comprising a vertical adjustment mechanism, the vertical adjustment mechanism being fixedly mounted on the top of the mounting mechanism, a lateral adjustment mechanism being fixedly mounted on one side of the vertical adjustment mechanism, an arm support being fixedly mounted on the top of the lateral adjustment mechanism, an arm placement slot being provided on the top of the arm support, the arm placement slot being arranged in a semi-arc shape as a whole, an adjustment component being movably mounted on one side of the arm support close to the vertical adjustment mechanism, an adjustable positioner being fixedly mounted on the upper front end of the adjustment component at equal intervals and linearly arranged, the adjustable positioner being arranged above the arm support.

[0007] Optionally, the mounting mechanism includes a card frame, which is fixedly mounted on the bottom of the vertical adjustment mechanism. A base is fixedly mounted on the bottom of the card frame. A first screw is rotatably connected to the inner side of the base. The end of the first screw passes through the base and is rotatably connected to a clamp.

[0008] Optionally, supporting rods are fixedly mounted on both ends of the bottom of the clamping plate, the bottom of the supporting rods passes through the card frame, and the supporting rods and the card frame are slidably connected.

[0009] Optionally, the vertical adjustment mechanism includes a vertical rail frame, which is fixedly connected to the top of the card frame, and a movable block is slidably connected to the inside of the vertical rail frame. A fixing piece is provided on the rear side of the movable block, and the movable block is installed in the interior of the vertical rail frame through the fixing piece. The side of the movable block away from the fixing piece is connected to the lateral adjustment mechanism.

[0010] Optionally, the fixing member includes a side arm and a side plate, the side plate is fixedly connected to one side of the vertical rail frame, the side arm is fixedly connected to the side of the movable block away from the lateral adjustment mechanism, the outer end of the side arm is threadedly connected to a second screw, and limiting holes are arranged linearly at equal intervals on the side plate, and the end of the second screw is inserted into the inside of the limiting hole.

[0011] Optionally, the lateral adjustment mechanism includes a lateral rail frame, which is fixedly installed on a side of the movable block away from the side arm, a sliding block is slidably connected inside the lateral rail frame, the top of the sliding block is fixedly connected to the bottom of the arm support plate, a first screw rod is fixedly connected inside the lateral rail frame, a drive motor is fixedly connected to one end of the lateral rail frame, the output end of the drive motor is connected to the first screw rod, and the sliding block and the first screw rod are threadedly connected.

[0012] Optionally, the adjustment component includes a slide groove, which is opened at the lower end of the arm support side close to the vertical rail frame, the slide groove is slidably connected to a sliding block inside, the sliding block is fixedly connected to a fixing plate on the side close to the vertical rail frame, a mounting plate is fixedly installed on the top of the fixing plate, the adjustable locator is installed on the side of the mounting plate close to the arm support in a linear arrangement with equal intervals, the rear lower end of the fixing plate is threadedly connected to a third screw, the end of the third screw passes through the fixing plate, and the back lower end of the arm support is provided with card holes in a linear arrangement with equal intervals, and the end of the third screw is inserted into the inside of a card hole.

[0013] Optionally, the adjustable positioner includes a fixing sleeve, which is linearly arranged at equal intervals and fixedly connected to the front side of the mounting plate, the inner side of the fixing sleeve is rotatably connected to a rotating shaft, the top of the fixing sleeve is threadedly connected to a fourth screw, the end of the fourth screw passes through the surface of the fixing sleeve and the rotating shaft for fitting connection, the front end of the rotating shaft is fixedly connected to a positioning plate, a circular groove is provided in the middle of the positioning plate, a cross groove body is provided on the inner side of the positioning plate, each end of the interior of the cross groove body is provided with a linkage clamping assembly, the bottom of the positioning plate is provided with a driving assembly, and the driving assembly and the linkage clamping assembly are transmission connected.

[0014] Optionally, the linkage clamping assembly includes a bevel gear, which is rotatably connected to the inner outer end of the cross groove, and the inner side of the bevel gear is fixedly connected to a second screw rod, and the outer surface of the second screw rod is threadedly connected to a slider, and the inner side of the slider is fixedly installed with a sleeve, and the sleeve is sleeved on the outer surface of the second screw rod, and the inner end of the sleeve is fixedly connected to a clamping frame, and the inner end of the clamping frame is arranged inside the circular groove.

[0015] Optionally, the drive assembly includes a fixed arm, which is arranged in a ring shape with equal intervals and fixedly connected to the outer side of the positioning plate, a slip ring is rotatably connected between the inner lower ends of the fixed arms, a bevel gear ring is fixedly installed on the inner side of the slip ring, the top of the bevel gear ring is meshingly connected to the bevel gear, and the bottom of the bevel gear ring is fixedly connected to an adjustment handle, a fifth screw is threadedly connected to the outer side of the bottom of a fixed arm, and the end of the fifth screw passes through the outer surfaces of the fixed arm and the adjustment handle for fit connection, and the first screw, the second screw, the third screw, the fourth screw and the fifth screw are all configured as hand-tightened screws.

[0016] Compared with the prior art, the technical solution provided by the present invention has at least the following beneficial effects:

[0017] In the above scheme, the catheter holder of the device contains vertical and horizontal adjustment mechanisms. When operating during use, the movable block in the vertical rail frame is slid to drive the arm support and the adjustable positioner to change in height, so as to meet the doctor's needs to adjust the height according to the patient's condition and surgical requirements. After adjusting the height, the second screw is twisted to insert into the limit hole to fix the movable block. The horizontal adjustment is achieved by starting the drive motor to drive the first screw to rotate, drive the sliding block in the horizontal rail frame, and make the arm support and the adjustable positioner move laterally. The two cooperate to achieve the adjustment of their height and lateral position, meet the treatment operations of different patients, and improve the adaptability and convenience of the device.

[0018] By setting up an installation mechanism, the device can be installed and disassembled during use. During installation, the card frame is engaged with the side of the operating table or the bed, and the first screw is twisted to move the splint up and fit the bottom to complete the installation; during disassembly, the first screw is loosened to move the splint down and remove the card frame; the adjustment component is used for catheter positioning, and the third screw is twisted to disengage from the card hole to make the fixed plate and the mounting plate lose their limit, and the sliding block in the slide groove is adjusted to assist in adjusting the lateral displacement of the two on the arm support plate. After the arm support plate is adjusted, the adjustable positioner can also be adjusted to enhance the therapeutic adjustment adaptability of the device.

[0019] By setting an adjustable positioner, accurate positioning of catheters of different thicknesses can be achieved. During use, the puncture device and the catheter are first passed through the circular groove, and the adjustment handle is twisted to drive the slip ring and the bevel gear ring to rotate. The meshing bevel gear drives the second screw, so that the slider drives the sleeve to push the clamping frame to move synchronously in the circular groove to clamp the catheter. Each clamping frame is displaced synchronously, and catheters of different thicknesses can be clamped. The fifth screw is twisted to fix the adjustment handle to stably position the catheter. When the positioning angle needs to be adjusted, the fourth screw is loosened to rotate the shaft to tilt the positioning disk to adapt to different puncture angles. Multiple adjustable positioners can clamp multiple different catheters at the same time, thereby improving ease of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The accompanying drawings, which are incorporated herein and constitute a part of the specification, illustrate embodiments of the invention and, together with the description, further serve to explain the principles of the invention and to enable those skilled in the relevant art to make and use the invention.

[0021] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0022] Figure 2 It is a rear view structural schematic diagram of the present invention;

[0023] Figure 3 It is a bottom view structural schematic diagram of the present invention;

[0024] Figure 4 It is a schematic diagram of the top view of the structure of the adjustment assembly and the adjustable positioner of the present invention;

[0025] Figure 5It is a bottom view structural diagram of the adjustment assembly and the adjustable positioner of the present invention;

[0026] Figure 6 It is a schematic diagram of the structure of the adjustable positioner of the present invention when viewed from above;

[0027] Figure 7 It is a schematic diagram of the top view of the structure of the adjustable positioner of the present invention;

[0028] Figure 8 It is a schematic diagram of the top view of the adjustable positioner of the present invention in a disassembled state;

[0029] Fig. 9 It is a schematic diagram of the structure of the adjustable positioner of the present invention in a disassembled state when viewed from above;

[0030] Fig.10 It is a schematic diagram of the installation mechanism structure of the present invention.

[0031] [Reference Signs]

[0032] 1. Installation mechanism; 11. Clamp frame; 12. Base plate; 13. First screw rod; 14. Clamp plate; 15. Support rod;

[0033] 2. Catheter fixator;

[0034] 21. Vertical adjustment mechanism; 211. Vertical rail frame; 212. Movable block;

[0035] 27, fixing member; 271, side arm; 272, side plate; 273, second screw rod; 274, limiting hole;

[0036] 22. lateral adjustment mechanism; 221. lateral rail frame; 222. sliding block; 223. first screw rod; 224. driving motor;

[0037] 23. Arm support plate; 24. Arm placement slot;

[0038] 25, adjustment assembly; 251, slide groove; 252, sliding block; 253, fixing plate; 254, mounting plate; 255, third screw rod; 256, clamping hole;

[0039] 26. adjustable positioner; 261. fixed sleeve; 262. rotating shaft; 263. fourth screw; 264. positioning plate; 265. circular groove; 266. cross groove body;

[0040] 28. linkage clamping assembly; 281. bevel gear; 282. second screw rod; 283. slider; 284. sleeve; 285. clamping frame;

[0041] 29. Drive assembly; 291. Fixed arm; 292. Slip ring; 293. Bevel gear ring; 294. Adjustment handle; 295. Fifth screw.

[0042] As shown in the figure, in order to clearly implement the structure of the embodiment of the present invention, specific structures and devices are marked in the figure, but this is only for illustrative purposes and is not intended to limit the present invention to the specific structure, device and environment. According to specific needs, ordinary technicians in this field can adjust or modify these devices and environments. DETAILED DESCRIPTION

[0043] The present invention is described in detail below in conjunction with the accompanying drawings and specific embodiments. At the same time, it is explained here that in order to make the embodiments more detailed, the following embodiments are the best and preferred embodiments, and those skilled in the art may also adopt other alternatives to implement some known technologies; and the accompanying drawings are only for more specific description of the embodiments, and are not intended to specifically limit the present invention.

[0044] It should be noted that the references to "one embodiment", "embodiment", "exemplary embodiments", "some embodiments" and the like in the specification indicate that the embodiments described may include specific features, structures or characteristics, but not every embodiment may include the specific features, structures or characteristics. In addition, when a specific feature, structure or characteristic is described in conjunction with an embodiment, it should be within the knowledge of a person skilled in the art to implement such feature, structure or characteristic in conjunction with other embodiments (whether or not explicitly described).

[0045] In general, a term can be understood, at least in part, from its use in context. For example, depending, at least in part, on the context, the term "one or more" as used herein can be used to describe any feature, structure, or characteristic in the singular sense, or can be used to describe a combination of features, structures, or characteristics in the plural sense. Additionally, the term "based on" can be understood as not necessarily intended to convey an exclusive set of factors, but can instead, depending, at least in part, on the context, allow for the presence of other factors that are not necessarily explicitly described.

[0046] It will be understood that the meanings of “on,” “over,” and “above” in the present invention should be interpreted in the broadest manner, so that “on” not only means “directly on” something, but also includes the meaning of being “on” something with intervening features or layers therebetween, and “on” or “over” not only means “on” or “above” something, but also includes the meaning of being “on” or “above” something with no intervening features or layers therebetween.

[0047] Additionally, spatially relative terms such as "under," "beneath," "lower," "above," "upper," and the like may be used herein for descriptive convenience to describe the relationship of one element or feature to another element or features, as shown in the accompanying drawings. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the accompanying drawings. The device may be oriented in other ways, and the spatially relative descriptors used herein may be similarly interpreted accordingly.

[0048] like Figures 1 to 10 As shown, an embodiment of the present invention provides an interventional catheter auxiliary fixer for cardiovascular and cerebrovascular care, comprising a mounting mechanism 1, a catheter fixer 2 is fixedly mounted on the top of the mounting mechanism 1; the catheter fixer 2 comprises a vertical adjustment mechanism 21, the vertical adjustment mechanism 21 is fixedly mounted on the top of the mounting mechanism 1, a lateral adjustment mechanism 22 is fixedly mounted on one side of the vertical adjustment mechanism 21, an arm support plate 23 is fixedly mounted on the top of the lateral adjustment mechanism 22, an arm placement groove 24 is provided on the top of the arm support plate 23, the arm placement groove 24 is arranged in a semi-arc shape as a whole, an adjustment component 25 is movably mounted on one side of the arm support plate 23 close to the vertical adjustment mechanism 21, an adjustable positioner 26 is fixedly mounted on the upper front end of the adjustment component 25 at equal intervals and in a linear arrangement, the adjustable positioner 26 is arranged above the arm support plate 23, and the mounting mechanism 1 is used to conveniently mount the entire fixer on the side of an operating table or a hospital bed.

[0049] When in use, the card frame 11 of the installation mechanism 1 is engaged with the side of the operating table or bed, and the first screw rod 13 is twisted to make the splint 14 move up and fit the bottom to complete the installation. When disassembling, the first screw rod 13 is loosened to make the splint 14 move down to remove the card frame 11. The vertical adjustment mechanism 21 in the catheter holder 2 drives the arm support plate 23 and the adjustable positioner 26 to change in height by sliding the internal movable block 212 to meet the needs of different patients and surgeries. After the adjustment is completed, the second screw rod 273 is twisted to insert the limiting hole 274 to fix the movable block 212. The lateral adjustment mechanism 22 drives the first screw rod 223 to rotate by starting the driving motor 224, and drives the sliding block 222 to cause the arm support plate 23 and the adjustable positioner 26 to produce lateral displacement. The semi-arc arm placement groove 24 of the arm support plate 23 is convenient for placing the patient's arm. 5 is used for positioning the catheter. The third screw rod 255 is twisted to disengage the clamping hole 256, and the sliding block 252 in the slide groove 251 is adjusted to assist in adjusting the lateral displacement of the fixing plate 253 and the mounting plate 254 on the arm support plate 23, thereby adjusting the adjustable positioner 26. The adjustable positioner 26 drives the slip ring 292 and the bevel gear ring 293 to rotate by twisting the adjusting handle 294, and the meshing bevel gear 281 drives the second screw rod 282, so that the slider 283 drives the sleeve 284 to push the clamping frame 285 to move synchronously in the circular groove 265 to clamp catheters of different thicknesses. The fifth screw rod 295 can be twisted to fix the adjusting handle 294 to stably position the catheter. The fourth screw rod 263 can be loosened to adjust the rotation of the rotating shaft 262 to make the positioning plate 264 tilted to adapt to different puncture angles. Multiple adjustable positioners 26 can clamp multiple catheters at the same time.

[0050] like Figures 1 to 3 and Fig.10As shown, the mounting mechanism 1 includes a card frame 11, which is fixedly mounted on the bottom of the vertical adjustment mechanism 21, and a base plate 12 is fixedly mounted on the bottom of the card frame 11. A first screw rod 13 is rotatably connected to the inner side of the base plate 12, and the end of the first screw rod 13 penetrates the base plate 12 and is rotatably connected to a clamp plate 14. Both ends of the bottom of the clamp plate 14 are fixedly mounted with a supporting rod 15, and the bottom of the supporting rod 15 penetrates the card frame 11, and the supporting rod 15 and the card frame 11 are slidably connected. When the interventional catheter auxiliary fixator needs to be installed on the side of the operating table or the bed, the card frame 11 is placed in the side position, and the base plate 12 at the bottom of the card frame 11 provides support and rotation basis for the first screw rod 13. The first screw rod 13 is rotated, and due to the rotation of the first screw rod 13 and the base plate 12, the first screw rod 13 and the base plate 12 are rotated. The first screw 13 is connected, and the end thereof passes through the base plate 12 and is connected to the splint 14. When the first screw 13 rotates, the splint 14 is driven to move upward along the direction of the supporting rod 15 through the threaded transmission. The bottom of the supporting rod 15 passes through the card frame 11 and is slidably connected to the card frame 11, so as to guide and stabilize the movement of the splint 14. As the splint 14 moves upward, it will fit tightly against the bottom of the operating table or the bed, thereby utilizing the friction between the splint 14 and the bottom and the card frame 11 and the side to firmly install the entire fixture on the side of the operating table or the bed. When disassembly is required, the first screw 13 is rotated in the opposite direction. Under the guidance of gravity and the supporting rod 15, the splint 14 moves downward along the card frame 11 and is separated from the bottom of the operating table or the bed. Then, the card frame 11 can be easily removed, and the disassembly operation of the entire fixture is completed.

[0051] like Figures 1 to 3As shown, the vertical adjustment mechanism 21 includes a vertical rail frame 211, the vertical rail frame 211 is fixedly connected to the top of the card frame 11, the vertical rail frame 211 is slidably connected to a movable block 212 inside, a fixing member 27 is provided on the rear side of the movable block 212, the movable block 212 is installed inside the vertical rail frame 211 through the fixing member 27, the movable block 212 is connected to the side of the horizontal adjustment mechanism 22 away from the fixing member 27, the fixing member 27 includes a side arm 271 and a side plate 272, the side plate 272 is fixedly connected to one side of the vertical rail frame 211, the side arm 271 is fixedly connected to the side of the movable block 212 away from the horizontal adjustment mechanism 22, the outer end of the side arm 271 is threadedly connected to a second screw 273, and the side plate 272 is provided with limited position linearly arranged at equal intervals. Hole 274, the end of the second screw rod 273 is inserted into the inside of the limiting hole 274, the lateral adjustment mechanism 22 includes a lateral rail frame 221, the lateral rail frame 221 is fixedly installed on the side of the movable block 212 away from the side arm 271, the internal sliding connection of the lateral rail frame 221 is provided with a sliding block 222, the top of the sliding block 222 is fixedly connected to the bottom of the arm support plate 23, the internal fixed connection of the lateral rail frame 221 is provided with a first screw rod 223, one end of the lateral rail frame 221 is fixedly connected with a driving motor 224, the output end of the driving motor 224 is connected to the first screw rod 223, the sliding block 222 and the first screw rod 223 are threadedly connected, the vertical adjustment mechanism 21 and the lateral adjustment mechanism 22 work together to realize the flexible adjustment of the position of the catheter auxiliary fixer.

[0052] When in use, first operate the vertical adjustment mechanism 21, and the movable block 212 can slide freely inside the vertical rail frame 211. Since one side of the movable block 212 is connected to the lateral adjustment mechanism 22, the sliding of the movable block 212 can drive the lateral adjustment mechanism 22 and the arm support plate 23 and the adjustable positioner 26 connected thereto to change the height. When the height is adjusted to a suitable height, rotate the second screw rod 273 at the outer end of the side arm 271 to insert the end thereof into the limiting hole 274 at the corresponding position on the side plate 272. Through the cooperation of the second screw rod 273 and the limiting hole 274, the second screw rod 273 and the limiting hole 274 are plugged into each other for limiting. The movable block 212 can be fixed in the vertical rail frame 211 to complete the height adjustment, and then the lateral adjustment is carried out, and the driving motor 224 is started. The output end of the motor rotates to drive the first screw rod 223 threadedly connected to it to rotate. Because the sliding block 222 is also threadedly connected to the first screw rod 223 and slides in the lateral rail frame 221, when the first screw rod 223 rotates, the sliding block 222 is driven to be displaced inside the lateral rail frame 221, and the top of the sliding block 222 is fixedly connected to the bottom of the arm support plate 23, so the arm support plate 23 and the adjustable positioner 26 thereon are driven to achieve lateral displacement to meet different treatment needs.

[0053] like Figures 2 to 5 As shown, the adjustment component 25 includes a slide groove 251, and the slide groove 251 is opened at the lower end of one side of the arm support plate 23 close to the vertical rail frame 211. The slide groove 251 is slidably connected with a sliding block 252 inside, and the sliding block 252 is fixedly connected with a fixing plate 253 on the side close to the vertical rail frame 211. The top of the fixing plate 253 is fixedly installed with a mounting plate 254, and the adjustable positioner 26 is installed on the side of the mounting plate 254 close to the arm support plate 23 at equal intervals and linearly arranged. The lower end of the rear side of the fixing plate 253 is threadedly connected with a third screw rod 255, and the end of the third screw rod 255 passes through the fixing plate 253. The lower end of the back side of the arm support plate 23 is linearly arranged at equal intervals and provided with a clamping hole 256, and the end of the third screw rod 255 is inserted into the inside of a clamping hole 256. By setting the adjustment component 25, it can be used to finely adjust the position of the adjustable positioner 26 to meet different catheter fixing requirements.

[0054] When positioning the catheter, first twist the third screw 255 to disengage its end from the clamping hole 256 at the lower end of the back of the arm support plate 23. At this time, since the third screw 255 no longer limits the fixed plate 253, the sliding block 252 is not constrained in the sliding groove 251 and can slide freely. Because the sliding block 252 is fixedly connected to the fixed plate 253, and the fixed plate 253 is connected to the mounting plate 254, the sliding of the sliding block 252 in the sliding groove 251 will drive the fixed plate 253 and the mounting plate 254 to move together, and the adjustable positioner 26 is installed in The mounting plate 254 is close to one side of the arm support plate 23, thereby realizing the adjustment of the lateral position of the adjustable positioner 26 on the arm support plate 23. When adjusted to a suitable position, the third screw rod 255 is twisted in the opposite direction so that the end of the third screw rod 255 is inserted into the card hole 256 at the corresponding position. The third screw rod 255 cooperates with the card hole 256 to fix the sliding block 252, the fixing plate 253 and the mounting plate 254, thereby fixing the position of the adjustable positioner 26, ensuring that during the catheter fixing process, the adjustable positioner 26 can accurately fix the catheters at different positions.

[0055] like Figures 1 to 9As shown, the adjustable positioner 26 includes a fixing sleeve 261, and the fixing sleeves 261 are linearly arranged at equal intervals and fixedly connected to the front side of the mounting plate 254. The inner side of the fixing sleeve 261 is rotatably connected to a rotating shaft 262. The top of the fixing sleeve 261 is threadedly connected to a fourth screw rod 263. The end of the fourth screw rod 263 penetrates the surface of the fixing sleeve 261 and the rotating shaft 262 and is fitted and connected. The front end of the rotating shaft 262 is fixedly connected to a positioning plate 264, and a circular groove 265 is opened in the middle of the positioning plate 264. The inner side of the positioning plate 264 is provided with a cross slot body 266, and each end of the inner side of the cross slot body 266 is provided with a linkage clamping assembly 28. The bottom of the positioning plate 264 is provided with a driving assembly 29, and the driving assembly 29 is transmission-connected to the linkage clamping assembly 28. The linkage clamping assembly 28 includes a bevel gear 281, and the bevel gear 281 is rotationally connected to the inner outer end of the cross slot. The inner side of the bevel gear 281 is fixedly connected with a second screw rod 282, and the outer surface of the second screw rod 282 is threadedly connected to the inner side of the bevel gear 281. There is a slider 283, a sleeve 284 is fixedly installed on the inner side of the slider 283, the sleeve 284 is sleeved on the outer surface of the second screw rod 282, the inner end of the sleeve 284 is fixedly connected to a clamping frame 285, the inner end of the clamping frame 285 is arranged inside the circular groove 265, the driving assembly 29 includes a fixed arm 291, the fixed arm 291 is arranged in a ring shape with equal spacing and fixedly connected to the outer side of the positioning plate 264, and the inner lower end of the fixed arm 291 is rotatably connected to a slip ring 292, the slip ring 29 2 is fixedly installed with a bevel gear ring 293 on the inner side, the top of the bevel gear ring 293 is meshed with the bevel gear 281, the bottom of the bevel gear ring 293 is fixedly connected with an adjustment handle 294, the bottom outer side of a fixed arm 291 is threadedly connected with a fifth screw rod 295, the end of the fifth screw rod 295 passes through the outer surface of the fixed arm 291 and the adjustment handle 294 and is fitted and connected, the first screw rod 13, the second screw rod 273, the third screw rod 255, the fourth screw rod 263 and the fifth screw rod 295 are all configured as hand-tightened screw rods.

[0056] When the catheter needs to be fixed, first pass the catheter through the circular groove 265 in the middle of the positioning disk 264. If the positioning angle needs to be adjusted, loosen the fourth screw 263 on the top of the fixing sleeve 261 to make the end of the fourth screw 263 disengage from the fitting of the rotating shaft 262. At this time, the rotating shaft 262 can rotate inside the fixing sleeve 261, driving the positioning disk 264 at the front end to rotate to achieve angle adjustment. After adjustment, tighten the fourth screw 263 to fix it. The driving component 29 and the linkage clamping component 28 cooperate to complete the catheter clamping. Turn the adjusting handle 294 to drive the slip ring 292 and the inner bevel gear ring 293 to rotate. The bevel gear ring 293 engages with the bevel gears 281 at each end of the cross slot body 266 to rotate the bevel gear 281, thereby driving the second screw 282 connected thereto to rotate. When the second screw rod 282 rotates, the slider 283 threadedly connected thereto slides in the inner cross groove body 266, and the slider 283 pushes the clamping frame 285 to move toward the inner side of the circular groove 265 through the sleeve 284 to clamp the catheter. Since the clamping frames 285 move synchronously, catheters of different thicknesses can be stably clamped. After clamping, the fifth screw rod 295 is twisted to make its end abut against the adjusting handle 294 to prevent it from accidentally rotating and firmly clamp the catheter. During the whole process, the hand-tightening screw rod is convenient for medical staff to operate quickly, and the first screw rod 13, the second screw rod 273, the third screw 255, the fourth screw 263 and the fifth screw 295 are all set to hand-tightening screws, which can improve the convenience of adjustment operation during the overall use of the device.

[0057] The workflow of the technical solution provided by the present invention is as follows:

[0058] When the device needs to be adjusted, the operator performs a sliding operation on the movable block 212 inside the vertical rail frame 211. Since the movable block 212 is connected to the arm support plate 23 and the adjustable positioner 26, the sliding of the movable block 212 can cause the height of the arm support plate 23 and the adjustable positioner 26 to change. When the doctor performs cardiovascular interventional treatment, the doctor raises the patient's arm to a height suitable for interventional treatment based on the patient's physical condition, such as the patient's height, body shape, and blood vessel location, as well as the specific needs of the operation, such as the type of operation, the surgical site, etc. After the height adjustment is completed, the operator twists the second screw 273 to insert the second screw 273 into the limiting hole 274 pre-set on the side plate 272, so as to fix the movable block 212 and ensure that the arm support plate 23 and the adjustable positioner 26 remain stable during the treatment.

[0059] The lateral adjustment mechanism 22 further enhances the adjustment ability of the device. When in use, the drive motor 224 is turned on, and the motor generates power to drive the first screw rod 223 to rotate. The rotation of the first screw rod 223 relies on its threaded structure and the cooperation with the sliding block 222 inside the transverse rail 221 to drive the sliding block 222 to move. Since the sliding block 222 is connected to the arm support plate 23 and the adjustable positioner 26, the displacement of the sliding block 222 will drive the arm support plate 23 and the adjustable positioner 26 to move laterally. Through such an adjustment process, the device can realize the adjustment of the height and lateral position of the arm support plate 23 and the adjustable positioner 26, meet the diverse needs of different patients in cardiovascular interventional treatment, and improve the adaptability and convenience of the device in actual use.

[0060] The design of the mounting mechanism 1 is intended to facilitate the installation and disassembly of the device. In the initial stage of use, the card frame 11 is engaged with the side of the operating table or hospital bed. After the engagement is completed, the first screw rod 13 is manually twisted to rotate it. The rotation of the first screw rod 13 drives the splint 14 to move upward along a specific track through thread transmission. As the splint 14 moves upward, the splint 14 can fit tightly against the bottom of the hospital bed or operating table. With the help of this fitting effect, the installation of the device is assisted, so that the device can be flexibly installed on the sides of beds and operating tables of different sizes to adapt to various medical environments. When the treatment is completed and the device needs to be disassembled, only the reverse operation is required to loosen the first screw rod 13. The loosening of the first screw rod 13 causes the splint 14 to move downward under the action of gravity or other reset structures. After the splint 14 moves downward, it can be separated from the bottom of the hospital bed or operating table. At this time, the card frame 11 can be removed, thereby realizing the rapid disassembly and assembly of the device.

[0061] The adjustment component 25 plays an important role in the catheter positioning process. In the specific catheter positioning process, the third screw 255 is twisted to disengage the third screw 255 from the clamping hole 256. The disengagement of the third screw 255 causes the fixed plate 253 and the mounting plate 254 on the outside of the sliding block 252 to lose their limiting constraints. At this time, the operator can slide the sliding block 252 inside the adjusting groove 251. Since the sliding block 252 is connected to the fixed plate 253 and the mounting plate 254, the sliding of the sliding block 252 can assist in adjusting the lateral displacement of the fixed plate 253 and the mounting plate 254 on the arm support plate 23. After the position of the arm support plate 23 is adjusted, each adjustable positioner 26 can also be flexibly adjusted through this operation, thereby further enhancing the adjustment and adaptation capabilities of the device during treatment and meeting the catheter positioning needs of different patients and different treatment scenarios.

[0062] The design of the adjustable positioner 26 provides a guarantee for the accurate positioning of the catheter. When positioning the catheter, firstly, the puncture device and the catheter are passed through the circular groove 265. After the catheter passes through the circular groove 265, the adjustment handle 294 is twisted. The rotation of the handle drives the slip ring 292 to rotate by virtue of its connection with the top slip ring 292. During the rotation of the slip ring 292, since the slip ring 292 is fixedly connected to the bevel gear ring 293, the bevel gear ring 293 also rotates accordingly. The bevel gear ring 293 is meshed with the bevel gear 281. As the bevel gear ring 293 rotates, the transmission principle of gear meshing is utilized to synchronously drive each of the cross slot bodies 266. The bevel gears 281 at each end rotate, and the rotation of the bevel gears 281 is connected to the second screw rod 282, driving the second screw rod 282 to rotate. The rotation of the second screw rod 282 relies on the cooperation between its threaded structure and the slider 283, driving the slider 283 to slide inside the cross groove body 266. The sliding of the slider 283 drives the sleeve 284 connected to its end to be displaced. The displacement of the sleeve 284 pushes the clamping frame 285 to move inward through the connection relationship of the mechanical structure. At this time, the clamping frame 285 moves synchronously inside the circular groove 265, and finally the catheter is clamped and fixed by the clamping frame 285.

[0063] The clamping frame 285 of the present device is designed with the characteristic of synchronous adjustment and movement. When clamping catheters of different thicknesses, each clamping frame 285 can synchronously move inward according to the above-mentioned transmission process to achieve stable clamping of the catheter and ensure effective fixation of catheters of different sizes. When the catheter is clamped, the fifth screw rod 295 is twisted to move inward, and the end of the fifth screw rod 295 contacts and squeezes the outer side of the adjustment handle 294. In this way, the adjustment handle 294 is fixed, thereby achieving stable clamping and positioning of catheters of different thicknesses, thereby improving the adaptability of the present device during use.

[0064] In actual use, when it is necessary to adjust the catheter positioning angle, loosen the fourth screw 263. The loosening of the fourth screw 263 causes the shaft 262 inside the fixed sleeve 261 to lose its constraint. At this time, the shaft 262 can rotate inside the fixed sleeve 261. The rotation of the shaft 262 causes the positioning disk 264 to be in an inclined state through its connection with the positioning disk 264, so as to flexibly adapt to the catheter positioning requirements of different puncture angles. After the adjustment is completed, the shaft 262 can be fixed again by twisting the fourth screw 263, which is convenient for the use of the device. In addition, the provision of multiple adjustable positioners 26 allows the device to stably clamp multiple catheters of different thicknesses at the same time, improve the convenience of the device during overall use, and meet the positioning requirements of multiple catheters in complex treatment scenarios.

[0065] The present invention covers any substitution, modification, equivalent method and scheme made on the essence and scope of the present invention. In order to make the public have a thorough understanding of the present invention, specific details are described in detail in the preferred embodiments of the present invention, but those skilled in the art can fully understand the present invention without the description of these details. In addition, in order to avoid unnecessary confusion about the essence of the present invention, well-known methods, processes, procedures, components and circuits are not described in detail.

[0066] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. An interventional catheter auxiliary fixator for cardiovascular and cerebrovascular care, comprising a mounting mechanism, characterized in that: A catheter holder is fixedly mounted on the top of the mounting mechanism; The catheter holder includes a vertical adjustment mechanism, which is fixedly installed on the top of the installation mechanism. A lateral adjustment mechanism is fixedly installed on one side of the vertical adjustment mechanism. An arm support is fixedly installed on the top of the lateral adjustment mechanism. An arm placement slot is provided on the top of the arm support, and the arm placement slot is arranged in a semi-arc shape as a whole. An adjustment component is movably installed on one side of the arm support close to the vertical adjustment mechanism, and adjustable positioners are fixedly installed on the upper front end of the adjustment component at equal intervals and in a linear arrangement, and the adjustable positioner is arranged above the arm support.

2. The interventional catheter auxiliary fixator for cardiovascular and cerebrovascular care according to claim 1, characterized in that: The installation mechanism includes a card frame, which is fixedly installed on the bottom of the vertical adjustment mechanism. A base is fixedly installed on the bottom of the card frame. A first screw is rotatably connected to the inner side of the base. The end of the first screw passes through the base and is rotatably connected to a clamping plate.

3. The interventional catheter auxiliary fixator for cardiovascular and cerebrovascular care according to claim 2, characterized in that: Both ends of the bottom of the clamping plate are fixedly mounted with supporting rods, the bottom of the supporting rod passes through the clamping frame, and the supporting rod and the clamping frame are slidably connected.

4. The interventional catheter auxiliary fixator for cardiovascular and cerebrovascular care according to claim 2, characterized in that: The vertical adjustment mechanism includes a vertical rail frame, which is fixedly connected to the top of the card frame. A movable block is slidably connected inside the vertical rail frame. A fixing piece is provided on the rear side of the movable block. The movable block is installed inside the vertical rail frame through the fixing piece. The side of the movable block away from the fixing piece is connected to the lateral adjustment mechanism.

5. The interventional catheter auxiliary fixator for cardiovascular and cerebrovascular care according to claim 4, characterized in that: The fixing member includes a side arm and a side plate, the side plate is fixedly connected to one side of the vertical rail frame, the side arm is fixedly connected to the side of the movable block away from the lateral adjustment mechanism, the outer end of the side arm is threadedly connected to a second screw rod, and the side plate is provided with limiting holes arranged linearly at equal intervals, and the end of the second screw rod is inserted into the inside of the limiting hole.

6. The interventional catheter auxiliary fixator for cardiovascular and cerebrovascular care according to claim 5, characterized in that: The lateral adjustment mechanism includes a lateral rail frame, which is fixedly installed on a side of the movable block away from the side arm, a sliding block is slidably connected inside the lateral rail frame, the top of the sliding block is fixedly connected to the bottom of the arm support plate, a first screw rod is fixedly connected inside the lateral rail frame, one end of the lateral rail frame is fixedly connected to a driving motor, the output end of the driving motor is connected to the first screw rod, and the sliding block and the first screw rod are threadedly connected.

7. The interventional catheter auxiliary fixator for cardiovascular and cerebrovascular care according to claim 6, characterized in that: The adjustment component includes a slide groove, which is opened at the lower end of the arm support plate on one side close to the vertical rail frame, a sliding block is slidably connected inside the slide groove, a fixing plate is fixedly connected to the side of the sliding block close to the vertical rail frame, a mounting plate is fixedly installed on the top of the fixing plate, the adjustable positioner is linearly arranged at equal intervals and installed on the side of the mounting plate close to the arm support plate, a third screw is threadedly connected to the lower end of the rear side of the fixing plate, an end of the third screw passes through the fixing plate, and clamping holes are opened at equal intervals and linearly arranged at the lower end of the back side of the arm support plate, and an end of the third screw is inserted into the inside of a clamping hole.

8. The interventional catheter auxiliary fixator for cardiovascular and cerebrovascular care according to claim 7, characterized in that: The adjustable positioner includes a fixing sleeve, which is linearly arranged at equal intervals and fixedly connected to the front side of the mounting plate, the inner side of the fixing sleeve is rotatably connected to a rotating shaft, the top of the fixing sleeve is threadedly connected to a fourth screw, the end of the fourth screw penetrates the surface of the fixing sleeve and the rotating shaft and is fitted and connected, the front end of the rotating shaft is fixedly connected to a positioning plate, a circular groove is provided in the middle of the positioning plate, a cross groove body is provided on the inner side of the positioning plate, each end of the interior of the cross groove body is provided with a linkage clamping assembly, the bottom of the positioning plate is provided with a driving assembly, and the driving assembly and the linkage clamping assembly are transmission connected.

9. The interventional catheter auxiliary fixator for cardiovascular and cerebrovascular care according to claim 8, characterized in that: The linkage clamping assembly includes a bevel gear, which is rotatably connected to the inner outer end of the cross groove. The inner side of the bevel gear is fixedly connected to a second screw rod, and the outer surface of the second screw rod is threadedly connected to a slider. The inner side of the slider is fixedly installed with a sleeve, and the sleeve is sleeved on the outer surface of the second screw rod. The inner end of the sleeve is fixedly connected to a clamping frame, and the inner end of the clamping frame is arranged inside the circular groove.

10. The interventional catheter auxiliary fixator for cardiovascular and cerebrovascular care according to claim 9, characterized in that: The driving assembly includes a fixed arm, which is arranged in a ring shape with equal intervals and fixedly connected to the outer side of the positioning plate, a slip ring is rotatably connected between the inner lower ends of the fixed arms, a bevel gear ring is fixedly installed on the inner side of the slip ring, the top of the bevel gear ring is meshed with the bevel gear, and the bottom of the bevel gear ring is fixedly connected to an adjustment handle, a fifth screw is threadedly connected to the outer side of the bottom of a fixed arm, and the end of the fifth screw passes through the outer surface of the fixed arm and the adjustment handle for fit connection, and the first screw, the second screw, the third screw, the fourth screw and the fifth screw are all configured as hand-tightened screws.

Images