Blood vessel sheath clamping device

Abstract

The invention provides a blood vessel sheath clamping device, and relates to the technical field of blood vessel sheath clamping. Comprising a pressing plate, a rotary table is rotatably connected to the bottom of the side end of the pressing plate, a rotary shaft is rotatably connected to the interior of the rotary table, an adjusting rod is slidably connected to the interior of the rotary table through the rotary shaft, a bolt is in threaded connection to the side end of the rotary table, and a connecting rod is rotatably connected to one side of the top end of the adjusting rod; a two-way lead screw is rotationally connected into the closing table. According to the invention, through the arrangement of the clamping adaptive adjusting assembly, the clamping block and the bidirectional screw rod, the clamping device can adapt to the vascular sheaths of different specifications and sizes, so that the clamping device can adapt to the vascular sheaths of various specifications, and a plurality of clamping devices do not need to be prepared for the vascular sheaths of different sizes, so that the flexibility and efficiency of an operation are improved; and the puncture angle of the blood vessel sheath is synchronously adjusted according to the size specification of the blood vessel sheath, so that the puncture angle can be adjusted to a suitable puncture angle.

Description

Technical Field

[0001] The present invention relates to the technical field of vascular sheath clamping, and more particularly to a vascular sheath clamping device. Background Art

[0002] Vascular sheath, also known as catheter insertion sheath or catheter sheath, is a medical device that is crucial in vascular interventional diagnosis and treatment. Vascular sheath clamping devices are mainly used in vascular interventional surgery to provide doctors with a stable and reliable vascular access. During surgery, doctors need to enter the blood vessels through skin puncture, and then use the vascular sheath as a channel to introduce catheters, balloons, stents and other interventional devices for diagnosis and treatment. The vascular sheath clamping device is used to fix the vascular sheath during the puncture process and after the operation to ensure its stable position, prevent displacement or fall off, and ensure the smooth progress of the operation and the safety of the patient.

[0003] Since vascular sheaths have different specifications and sizes, it is necessary to select a vascular sheath of the appropriate size according to the thickness of the blood vessel. The existing clamping device is not convenient for clamping vascular sheaths of different specifications, and when clamping and puncturing the vascular sheath, the puncture force of vascular sheaths of different sizes is also different. For deeper blood vessels or surgical sites that need to avoid damaging surrounding tissues, doctors may choose a smaller puncture angle; for shallower blood vessels or surgical sites that need to quickly enter the blood vessels, doctors may choose a larger puncture angle, and the existing vascular sheath is not convenient for synchronously adjusting the puncture force according to the puncture angle of the vascular sheath. In view of the above problems, it is urgently necessary to carry out innovative design on the original basis. Summary of the invention

[0004] The technical problem to be solved by the present invention is to provide a vascular sheath clamping device to solve the technical problems proposed in the above background technology that the existing clamping device is not convenient for clamping vascular sheaths of different specifications, and when clamping and puncturing the vascular sheath, the puncture force of vascular sheaths of different sizes is also different, and the existing vascular sheath is not convenient for synchronously adjusting the puncture force according to the puncture angle of the vascular sheath, providing a solution that is significantly different from the prior art.

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

[0006] A vascular sheath clamping device comprises a pressing plate, a turntable is rotatably connected to the bottom of the side end of the pressing plate, a rotating shaft is rotatably connected inside the turntable, an adjusting rod is slidably connected to the inside of the turntable through the rotating shaft, a bolt is threadedly connected to the side end of the turntable, a connecting rod is rotatably connected to the top side of the adjusting rod, a striking platform is arranged at one end of the connecting rod, a closing platform is arranged inside the striking platform, a bidirectional screw rod is rotatably connected inside the closing platform, two groups of clamping blocks are slidably arranged on both sides of the closing platform, the two groups of clamping blocks are threadedly connected to the bidirectional screw rod, a first sliding rod is fixedly installed inside the striking platform, and the closing platform is slidably connected to the first sliding rod;

[0007] A clamping and adapting adjustment component, which is arranged at the upper and lower ends of the clamping block and inside one side of the top end of the adjusting rod, and is used to deflect the vascular sheath to a proper puncture angle according to the specifications and size of the vascular sheath;

[0008] A force adjustment component, which is arranged inside the striking platform and is used to make different specifications of vascular sheaths have different puncture forces according to the specifications and sizes of the vascular sheaths;

[0009] A position compensation component is arranged at the end of the connecting rod and the back end of the striking platform. The position compensation component can keep the vascular sheath at the same initial height when the puncture force of vascular sheaths of different specifications changes.

[0010] Optionally, the two groups of clamping blocks are symmetrically distributed inside the closing platform, and the adjusting rod is arc-shaped and has a protrusion connected to the bottom.

[0011] Optionally, the clamping block is composed of a long arm and a long block, and an arc-shaped notch is arranged on the inner side of the long block.

[0012] Optionally, the clamping adapter adjustment component includes a first connecting platform fixedly connected to the top of the clamping block and a second connecting platform fixed to the side end of the clamping block, two groups of support rods are fixedly connected to the side of the first connecting platform near the two end positions on both sides, and the ends of the support rods are fixedly connected to clamping pads, a first elastic telescopic rod is fixedly connected to the central part of the side of the first connecting platform, the extended end of the first elastic telescopic rod is fixedly connected to the clamping pad, the second connecting platform is fixedly connected to the first oil tank inside, the first oil tank is slidably connected to the first piston rod, one end of the second connecting platform is fixedly connected to the second elastic telescopic rod, the extended end of the second elastic telescopic rod is fixedly connected to a pressure block, the back end of the pressure block conflicts with the first piston rod, the end of the connecting rod is fixedly connected to a gear, the gear is rotatably connected to one side of the top of the adjusting rod, one end of the side of the adjusting rod is fixedly connected to the second oil tank, the second oil tank is slidably connected to the second piston rod, the end of the second piston rod is fixedly connected to a rack, the rack is meshed with the gear, and a hose is connected between the first oil tank and the second oil tank.

[0013] Optionally, the clamping pad is made of natural rubber, the middle portion of the pressing block is an arc-shaped surface, and the surfaces on both sides of the pressing block are flat surfaces.

[0014] Optionally, the force adjustment component includes a third oil tank fixedly connected to one end of the side of the adjusting rod, a third piston rod is slidably connected to the inside of the third oil tank, the end of the third piston rod is fixedly connected to the rack, a fourth oil tank is fixedly connected to the internal notch of the striking platform, a fourth piston rod is slidably connected to the inside of the fourth oil tank, a protrusion is fixedly connected to the end of the fourth piston rod, the protrusion is fixedly connected to the side end of the electric push rod, the protruding end of the electric push rod is fixedly connected to the closing platform, and a hose is connected between the third oil tank and the fourth oil tank.

[0015] Optionally, a spring is fixedly connected to the bottom of the inner wall of the striking platform, the upper end of the spring is fixedly connected to the bottom of the closing platform, and the spring is sleeved on the surface of the first sliding rod.

[0016] Optionally, the position compensation component includes a second sliding rod installed on the back end of the striking platform, a first sliding block is fixedly connected to the middle part of the second sliding rod, a second sliding block is fixedly installed on the side end of the connecting rod, the second sliding block is located at the upper end of the first sliding block, the second sliding block slides on the surface of the second sliding rod, a fifth oil tank is fixedly installed inside the other end of the connecting rod, a fifth piston rod is slidably connected inside the fifth oil tank, an extrusion block is fixedly connected to the end of the fifth piston rod, and a hose is connected between the third oil tank and the fifth oil tank.

[0017] Optionally, the second sliding rod, the first sliding block and the second sliding block are each in two groups, and are symmetrically distributed near both ends of the back side of the striking platform.

[0018] Optionally, the fifth oil tank is a bidirectional oil tank, the number of the fifth piston rods is two groups, and the surface of the extrusion block is provided with a smooth inclined surface.

[0019] Compared with the prior art, the technical solution provided by the present invention has at least the following beneficial effects:

[0020] In the above scheme, the clamping adaptation adjustment component, the clamping block and the bidirectional screw rod are set up, so that the clamping device can adapt to vascular sheaths of different specifications and sizes, so that the clamping device can adapt to vascular sheaths of various specifications, and there is no need to prepare multiple clamping devices for vascular sheaths of different sizes, thereby improving the flexibility and efficiency of the operation, and the puncture angle of the vascular sheath is synchronously adjusted according to the size specifications of the vascular sheath, so that it can be adjusted to a puncture angle suitable for itself. Precise clamping and angle adjustment help doctors to position and operate more accurately during surgery, and ensure the stability and accuracy of the vascular sheath during the puncture process, avoiding puncture deviations caused by size mismatch or improper angles.

[0021] By setting the connecting rod, the striking platform, the first sliding rod and the force adjustment component, the puncture force of the vascular sheath can be synchronously adjusted according to the puncture angle of the vascular sheath. The force adjustment component can accurately control the puncture force of the vascular sheath to avoid puncture failure caused by excessive or insufficient force. According to the synchronous adjustment of the puncture angle, it can ensure that the vascular sheath enters the blood vessel at the optimal angle with appropriate force. Accurate puncture force and angle adjustment can also reduce pain and discomfort during the operation.

[0022] By setting up the position compensation component and the connecting rod, when the puncture force of vascular sheaths of different specifications changes, the vascular sheath can maintain the same initial height, so that the initial position of the puncture needles of vascular sheaths of different specifications can be unified. The doctor does not need to frequently adjust the initial position of the puncture needle according to the vascular sheaths of different specifications. The unified initial position of the puncture needle helps the doctor to locate the puncture point more accurately and can reduce the puncture error caused by position deviation. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] 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.

[0024] Figure 1 It is a structural schematic diagram of the present invention;

[0025] Figure 2 It is a schematic diagram of the local structure of the present invention;

[0026] Figure 3It is a schematic diagram of the partial explosion structure of the present invention;

[0027] Figure 4 It is a schematic diagram of the exploded structure of the clamping adaptation and adjustment assembly of the present invention;

[0028] Figure 5 It is a schematic diagram of the cross-sectional structure of the closed platform of the present invention;

[0029] Figure 6 for Figure 5 A schematic diagram of the enlarged structure at A in the middle;

[0030] Figure 7 It is a schematic diagram of the structure of the force adjustment component of the present invention;

[0031] Figure 8 for Figure 7 The enlarged structural diagram at B in the middle;

[0032] Fig. 9 It is a schematic diagram of the structure of the position compensation component of the present invention;

[0033] Fig.10 It is a schematic diagram of the exploded structure of the position compensation component of the present invention;

[0034] Fig.11 It is a schematic diagram of the structure of the fifth oil tank and the extrusion block of the present invention.

[0035] [Reference Signs]

[0036] 1. Pressing plate; 2. Turntable; 3. Adjusting rod; 4. Connecting rod; 5. Striking platform; 6. Closing platform; 7. Bidirectional screw rod; 8. Clamping block; 9. Clamping and adjusting assembly; 901. First connecting platform; 902. Second connecting platform; 903. Supporting rod; 904. Clamping pad; 905. First elastic telescopic rod; 906. First oil tank; 907. First piston rod; 908. Second elastic telescopic rod; 909. Pressing block; 910. Gear; 911 , second oil tank; 912, second piston rod; 913, rack; 10, first slide rod; 11, force adjustment assembly; 111, third oil tank; 112, third piston rod; 113, fourth oil tank; 114, fourth piston rod; 115, electric push rod; 12, position compensation assembly; 121, second slide rod; 122, first slider; 123, second slider; 124, fifth oil tank; 125, fifth piston rod; 126, extrusion block.

[0037] 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

[0038] The following is a detailed description of a vascular sheath clamping device provided by the present invention 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 alternative methods to implement some known technologies; and the accompanying drawings are only for a more specific description of the embodiments, and are not intended to specifically limit the present invention.

[0039] 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).

[0040] 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.

[0041] 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.

[0042] 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.

[0043] like Figures 1 to 10As shown, an embodiment of the present invention provides a vascular sheath clamping device, including a pressing plate 1, a turntable 2 is rotatably connected to the bottom of the side end of the pressing plate 1, a rotating shaft is rotatably connected inside the turntable 2, an adjusting rod 3 is slidably connected to the inside of the turntable 2 through the rotating shaft, the adjusting rod 3 is arc-shaped, and a boss is fixedly connected to the bottom of the adjusting rod 3, the length and width of the boss are both larger than the bottom of the adjusting rod 3, a bolt is threadedly connected to the side end of the turntable 2, a connecting rod 4 is rotatably connected to the top side of the adjusting rod 3, a striking platform 5 is arranged at one end of the connecting rod 4, a closing platform 6 is arranged inside the striking platform 5, a bidirectional screw rod 7 is rotatably connected inside the closing platform 6, two groups of clamping blocks 8 are slidably arranged on both sides of the closing platform 6, the two groups of clamping blocks 8 are threadedly connected to the bidirectional screw rod 7, a first sliding rod 10 is fixedly installed inside the striking platform 5, the number of the first sliding rods 10 is two groups, and they are symmetrically distributed in the area near the two sides of the striking platform 5, and the closing platform 6 is slidably connected to the first sliding rod 10.

[0044] The clamping adaptation adjustment component 9 is arranged inside the upper and lower ends of the clamping block 8 and the top side of the adjustment rod 3. The clamping adaptation adjustment component 9 is used to deflect the vascular sheath to a proper puncture angle according to the specifications and size of the vascular sheath.

[0045] The force adjustment component 11 is disposed inside the striking platform 5 . The force adjustment component 11 is used to make different specifications of vascular sheaths have different puncture forces according to the specifications and sizes of the vascular sheaths.

[0046] The position compensation component 12 is arranged at the end of the connecting rod 4 and the back end of the striking platform 5. The position compensation component 12 can keep the vascular sheath at the same initial height when the puncture force of vascular sheaths of different specifications changes.

[0047] like Figures 1 to 4 As shown, the two groups of clamps 8 are symmetrically distributed inside the closing table 6, the adjusting rod 3 is arc-shaped and has a protrusion connected to the bottom. The arc-shaped design of the adjusting rod 3 allows one end to be close to the patient when extended, and the length and width of the protrusion are both larger than the bottom of the adjusting rod 3. The design of the bottom protrusion here can prevent the adjusting rod 3 from slipping out of the pressure plate 1, and the bolts at the side end of the turntable 2 can also fix and limit the adjusting rod 3.

[0048] like Figure 4 As shown, the clamping block 8 is composed of a long arm and a long block. An arc-shaped notch is arranged inside the long block. The arc-shaped notch is designed to fit the surface of the vascular sheath.

[0049] When in use, the existing clamping device is not convenient for clamping vascular sheaths of different specifications, and when clamping and puncturing the vascular sheath, the puncture force of vascular sheaths of different sizes is also different. The existing vascular sheath is not convenient for synchronously adjusting the puncture force according to the puncture angle of the vascular sheath. This embodiment of the present invention can solve the above problems. The specific implementation method is as follows: the pressing plate 1 is placed under the mattress of the DSA bed, and the patient's buttocks are pressed tightly according to different intervention positions. Then the vascular sheath is placed in the arc-shaped notch of the clamp block 8, and then the double The screw rod 7 is rotated to close the two groups of clamping blocks 8. When the clamping blocks 8 are closed, the clamping pad 904 will be squeezed by the vascular sheath, and the first elastic telescopic rod 905 will make the clamping pad 904 fit tightly with the surface of the vascular sheath to clamp it. When the pressure block 909 is squeezed by the vascular sheath, it will squeeze the first piston rod 907, so that the oil inside the first oil tank 906 is injected into the second oil tank 911, so that the second piston rod 912 pushes the rack 913 to drive the gear 910 to rotate, thereby driving the connecting rod 4 to rotate synchronously, so as to adjust the puncture angle of the vascular sheath.

[0050] When the rack 913 moves, it will squeeze the third piston rod 112, so that the oil in the third oil tank 111 is injected into the fourth oil tank 113 and the fifth oil tank 124. The fourth oil tank 113 will push the fourth piston rod 114 to drive the electric push rod 115 to rise, thereby changing the initial height of the vascular sheath, so that the puncture depth of the vascular sheath changes, thereby changing its puncture force. When the oil is injected into the fifth oil tank 124, the oil will push the fifth piston rod 125 to slide outward. At this time, the squeezing block 126 will squeeze the first slider 122 and the second slider 123, so that the striking platform 5 moves downward, thereby compensating for the rising height of the vascular sheath, so that vascular sheaths of different specifications can maintain the same height before puncture, ensuring that the puncture force can change synchronously with the specifications of the vascular sheath, and then the vascular sheath is punctured by the electric push rod 115.

[0051] like Figures 3 to 8As shown, the clamping adaptation adjustment component 9 includes a first connecting platform 901 fixedly connected to the top of the clamping block 8 and a second connecting platform 902 fixed to the side end of the clamping block 8, two groups of support rods 903 are fixedly connected to the side of the first connecting platform 901 near the two side end positions, and the ends of the support rods 903 are fixedly connected to the clamping pads 904, and the first elastic telescopic rod 905 is fixedly connected to the central part of the side of the first connecting platform 901. The extended end of the first elastic telescopic rod 905 is fixedly connected to the clamping pad 904, and the second connecting platform 902 is fixedly connected to the first oil tank 906, and the first piston rod 907 is slidably connected to the inside of the first oil tank 906. One end of the second connecting platform 902 is fixedly connected to the second elastic telescopic rod 908, and the extended end of the second elastic telescopic rod 908 is fixedly connected to the pressing block 909. The back end of the pressure block 909 is in conflict with the first piston rod 907, and the end of the connecting rod 4 is fixedly connected to a gear 910, which is rotatably connected to one side of the top of the adjusting rod 3. One end of the side of the adjusting rod 3 is fixedly connected to a second oil tank 911, and a second piston rod 912 is slidably connected inside the second oil tank 911. The end of the second piston rod 912 is fixedly connected to a rack 913, and the rack 913 is meshed with the gear 910. A hose is connected between the first oil tank 906 and the second oil tank 911, so that the clamping device can adapt to vascular sheaths of various specifications, and there is no need to prepare multiple clamping devices for vascular sheaths of different sizes, thereby improving the flexibility and efficiency of the operation, and the puncture angle of the vascular sheath is synchronously adjusted according to the size of the vascular sheath, so that it can be adjusted to a puncture angle suitable for itself.

[0052] like Figure 3 and Figure 4 As shown, the clamping pad 904 is made of natural rubber, the middle part of the pressing block 909 is an arc-shaped surface, and the surfaces on both sides of the pressing block 909 are flat. The natural rubber material has good physical and mechanical properties, and its traceability and anti-slip effects are good, and it can clamp the vascular sheath well. The arc surface design of the pressing block 909 can be evenly squeezed when it contacts the vascular sheath.

[0053] The vascular sheath is placed in the arc-shaped notch of the clamp block 8, and then the bidirectional screw rod 7 is rotated by the motor to close the two groups of clamp blocks 8. When the clamp blocks 8 are closed, the clamping pad 904 will be squeezed by the vascular sheath, and the first elastic telescopic rod 905 will make the clamping pad 904 fit tightly against the surface of the vascular sheath to clamp it. The clamping adaptation adjustment component 9 enables the clamping device to adapt to vascular sheaths of various specifications, without the need to prepare multiple clamping devices for vascular sheaths of different sizes, thereby improving the flexibility and efficiency of the operation, and synchronously adjusting the puncture angle of the vascular sheath according to the size of the vascular sheath, so that it can be adjusted to a puncture angle suitable for itself. Accurate clamping and angle adjustment help doctors to position and operate more accurately during surgery, and ensure the stability and accuracy of the vascular sheath during the puncture process.

[0054] like Figures 5 to 8 As shown, the force adjustment component 11 includes a third oil tank 111 fixedly connected to one end of the side of the adjustment rod 3, a third piston rod 112 is slidably connected inside the third oil tank 111, and the end of the third piston rod 112 is fixedly connected to the rack 913, a fourth oil tank 113 is fixedly connected to the internal notch of the striking platform 5, a fourth piston rod 114 is slidably connected inside the fourth oil tank 113, and a protrusion is fixedly connected to the end of the fourth piston rod 114, and the protrusion is fixedly connected to the side end of the electric push rod 115, and the protruding end of the electric push rod 115 is fixedly connected to the closing platform 6, and the third oil tank 111 is connected to the fourth oil tank 113. A hose is connected between the liquid tanks 113, and the puncture force of the vascular sheath can be synchronously adjusted according to the puncture angle of the vascular sheath. After the clamping adapter adjustment component 9 clamps the vascular sheath, the first piston rod 907 is squeezed to inject the oil in the first oil tank 906 into the second oil tank 911, so that the second piston rod 912 pushes the rack 913 to move. When the rack 913 moves, it will rotate the gear 910 to deflect the connecting rod 4, so that the deflection angle can be adjusted according to the size of the vascular sheath. When the rack 913 moves, it will squeeze the third piston rod 112 to make the third piston rod 112 The oil in the three oil tanks 111 is respectively injected into the fifth oil tank 124 and the fourth oil tank 113. In the initial state, the puncture of the blood vessel sheath is achieved by the electric push rod 115. When the rack 913 squeezes the third piston rod 112, the oil in the third oil tank 111 will move the electric push rod 115 in the opposite direction of the puncture position after being injected into the fourth oil tank 113. By changing the initial height of the electric push rod 115, the puncture depths of blood vessel sheaths of different specifications under the same puncture surface can be made different. After the oil in the third oil tank 111 is injected into the fifth oil tank 124, it can be ensured that The height of the striking platform 5 of the vascular sheath with the same specification can be at the same horizontal plane. By changing the height of the internal electric push rod 115 inside the striking platform 5 at the same horizontal plane, the synchronous change of the vascular sheath puncture force can be achieved. Regarding the adaptive change of force and angle, the specific values ​​are determined according to the actual use situation. The present invention does not limit the specific size of each component. The force adjustment component 11 can accurately control the puncture force of the vascular sheath, avoiding puncture failure caused by excessive or insufficient force. According to the synchronous adjustment of the puncture angle, it can ensure that the vascular sheath enters the blood vessel at the optimal angle with appropriate force.

[0055] like Figures 5 to 7 As shown, a spring is fixedly connected to the bottom of the inner wall of the striking platform 5, and the upper end of the spring is fixedly connected to the bottom of the closing platform 6. The spring is sleeved on the surface of the first sliding rod 10. When the clamping device loosens the vascular sheath, the spring will automatically reset the closing platform 6.

[0056] When moving, the rack 913 will squeeze the third piston rod 112, so that the oil in the third oil tank 111 will be injected into the fourth oil tank 113 and the fifth oil tank 124. The fourth oil tank 113 will push the fourth piston rod 114 to drive the electric push rod 115 to rise, thereby changing the initial height of the vascular sheath, causing the puncture depth of the vascular sheath to change, thereby changing its puncture force. The force adjustment component 11 can accurately control the puncture force of the vascular sheath, avoiding puncture failure caused by excessive or insufficient force. According to the synchronous adjustment of the puncture angle, it can ensure that the vascular sheath enters the blood vessel at the optimal angle with appropriate force.

[0057] like Figures 9 to 11 As shown, the position compensation component 12 includes a second slide bar 121 installed on the back end of the striking platform 5, a first slide bar 122 is fixedly connected to the middle of the second slide bar 121, a second slide bar 123 is fixedly installed on the side end of the connecting rod 4, the second slide bar 123 is located at the upper end of the first slide bar 122, the second slide bar 123 slides on the surface of the second slide bar 121, a fifth oil tank 124 is fixedly installed inside the other end of the connecting rod 4, a fifth piston rod 125 is slidably connected inside the fifth oil tank 124, an extrusion block 126 is fixedly connected to the end of the fifth piston rod 125, a hose is connected between the third oil tank 111 and the fifth oil tank 124, when the puncture force of vascular sheaths of different specifications changes, the vascular sheaths can maintain the same initial height, so that the initial positions of vascular sheath puncture needles of different specifications are unified.

[0058] like Fig. 9 and Fig.10 As shown, the second slide bar 121, the first slide block 122 and the second slide block 123 are each in two groups, and are symmetrically distributed near the two ends of the back of the striking platform 5. The design of the two groups of the second slide bar 121, the first slide block 122 and the second slide block 123 can ensure that the striking platform 5 can descend smoothly.

[0059] like Fig.11 As shown, the fifth oil tank 124 is a bidirectional oil tank, the number of the fifth piston rod 125 is two groups, and the surface of the extrusion block 126 is provided with a smooth inclined surface. The design of the smooth surface of the extrusion block 126 can better squeeze the first slider 122 and the second slider 123, thereby compensating for the puncture depth and allowing vascular sheaths of different specifications to be at the same initial height.

[0060] When the oil is injected into the fifth oil tank 124, the oil will push the fifth piston rod 125 to slide outward, and the squeezing block 126 will squeeze the first slider 122 and the second slider 123 to move the striking platform 5 downward, thereby compensating for the rising height of the vascular sheath, so that vascular sheaths of different specifications can maintain the same height before puncture. When the puncture force of vascular sheaths of different specifications changes, the position compensation component 12 can keep the vascular sheaths of different specifications at the same initial height, so that the initial positions of vascular sheath puncture needles of different specifications are unified, and the doctor does not need to frequently adjust the initial position of the puncture needle according to the vascular sheaths of different specifications.

[0061] The workflow of the technical solution provided by the present invention is as follows:

[0062] When in use, the pressing plate 1 is placed under the mattress of the DSA bed, and is pressed tightly with the patient's buttocks according to different intervention positions. The vascular sheath is then placed in the arc-shaped notch of the clamp block 8, and the two-way screw rod 7 is then rotated by a motor to close the two groups of clamp blocks 8. When the clamp blocks 8 are closed, the clamping pad 904 will be squeezed by the vascular sheath, and the first elastic telescopic rod 905 will make the clamping pad 904 fit tightly with the surface of the vascular sheath to clamp it. When the pressure block 909 is squeezed by the vascular sheath, it will squeeze the first piston rod 907, so that the oil in the first oil tank 906 is injected into the second oil tank 911, so that the second piston rod 912 pushes the rack 913 to drive the gear 910 to rotate, thereby driving the connecting rod 4 to rotate synchronously, thereby adjusting the puncture angle of the vascular sheath.

[0063] When the rack 913 moves, it will squeeze the third piston rod 112, so that the oil in the third oil tank 111 is injected into the fourth oil tank 113 and the fifth oil tank 124. The fourth oil tank 113 will push the fourth piston rod 114 to drive the electric push rod 115 to rise, thereby changing the initial height of the vascular sheath, so that the puncture depth of the vascular sheath changes, thereby changing its puncture force. When the oil is injected into the fifth oil tank 124, the oil will push the fifth piston rod 125 to slide outward. At this time, the squeezing block 126 will squeeze the first slider 122 and the second slider 123, so that the striking platform 5 moves downward, thereby compensating for the rising height of the vascular sheath, so that vascular sheaths of different specifications can maintain the same height before puncture, ensuring that the puncture force can change synchronously with the specifications of the vascular sheath, and then the vascular sheath is punctured by the electric push rod 115.

[0064] 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 following 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.

[0065] 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. A vascular sheath clamping device, comprising a pressing plate, characterized in that: The bottom of the side end of the pressure plate is rotatably connected to a turntable, and a rotating shaft is rotatably connected inside the turntable. An adjusting rod is slidably connected to the turntable through the rotating shaft. A bolt is threadedly connected to the side end of the turntable, and one side of the top of the adjusting rod is rotatably connected to a connecting rod. A striking platform is arranged at one end of the connecting rod, and a closing platform is arranged inside the striking platform. A two-way screw rod is rotatably connected inside the closing platform. Two groups of clamping blocks are slidably arranged on both sides of the closing platform. The two groups of clamping blocks are threadedly connected to the two-way screw rod. A first sliding rod is fixedly installed inside the striking platform, and the closing platform is slidably connected to the first sliding rod. A clamping and adapting adjustment component, which is arranged at the upper and lower ends of the clamp block and inside one side of the top end of the adjusting rod, and is used to deflect the vascular sheath to a proper puncture angle according to the specifications and size of the vascular sheath; A force adjustment component, which is arranged inside the striking platform and is used to make different specifications of vascular sheaths have different puncture forces according to the specifications and sizes of the vascular sheaths; A position compensation component is arranged at the end of the connecting rod and the back end of the striking platform. The position compensation component can keep the vascular sheath at the same initial height when the puncture force of vascular sheaths of different specifications changes.

2. The vascular sheath clamping device according to claim 1, characterized in that: The two groups of clamping blocks are symmetrically distributed inside the closing platform, and the adjusting rod is arc-shaped and has a protrusion connected to the bottom.

3. The vascular sheath clamping device according to claim 1, characterized in that: The clamping block is composed of a long arm and a long block, and an arc-shaped notch is arranged on the inner side of the long block.

4. The vascular sheath clamping device according to claim 1, characterized in that: The clamping adapter adjustment component includes a first connecting platform fixedly connected to the top of the clamping block and a second connecting platform fixed to the side end of the clamping block, two groups of support rods are fixedly connected to the side of the first connecting platform near the two end positions on both sides, and the ends of the support rods are fixedly connected to clamping pads, a first elastic telescopic rod is fixedly connected to the central part of the side of the first connecting platform, the extended end of the first elastic telescopic rod is fixedly connected to the clamping pad, the second connecting platform is fixedly connected to the first oil tank inside, the first oil tank is slidably connected to the first piston rod inside, one end of the second connecting platform is fixedly connected to the second elastic telescopic rod, the extended end of the second elastic telescopic rod is fixedly connected to a pressure block, and the back end of the pressure block conflicts with the first piston rod. The end of the connecting rod is fixedly connected to a gear, and the gear is rotatably connected to one side of the top of the adjusting rod, one end of the side of the adjusting rod is fixedly connected to the second oil tank, the second oil tank is slidably connected to the second piston rod, the end of the second piston rod is fixedly connected to a rack, the rack is meshed with the gear, and a hose is connected between the first oil tank and the second oil tank.

5. The vascular sheath clamping device according to claim 4, characterized in that: The clamping pad is made of natural rubber, the middle part of the pressing block is an arc-shaped surface, and the surfaces on both sides of the pressing block are flat surfaces.

6. The vascular sheath clamping device according to claim 1, characterized in that: The force adjustment component includes a third oil tank fixedly connected to one end of the side of the adjustment rod, a third piston rod is slidably connected to the inside of the third oil tank, the end of the third piston rod is fixedly connected to the rack, a fourth oil tank is fixedly connected to the internal notch of the striking platform, a fourth piston rod is slidably connected to the inside of the fourth oil tank, a protrusion is fixedly connected to the end of the fourth piston rod, the protrusion is fixedly connected to the side end of the electric push rod, the protruding end of the electric push rod is fixedly connected to the closing platform, and a hose is connected between the third oil tank and the fourth oil tank.

7. The vascular sheath clamping device according to claim 6, characterized in that: A spring is fixedly connected to the bottom of the inner wall of the striking platform, the upper end of the spring is fixedly connected to the bottom of the closing platform, and the spring is sleeved on the surface of the first sliding rod.

8. The vascular sheath clamping device according to claim 6, characterized in that: The position compensation component includes a second sliding rod installed on the back end of the striking platform, a first sliding block is fixedly connected to the middle of the second sliding rod, a second sliding block is fixedly installed on the side end of the connecting rod, the second sliding block is located at the upper end of the first sliding block, the second sliding block slides on the surface of the second sliding rod, a fifth oil tank is fixedly installed inside the other end of the connecting rod, a fifth piston rod is slidably connected inside the fifth oil tank, an extrusion block is fixedly connected to the end of the fifth piston rod, and a hose is connected between the third oil tank and the fifth oil tank.

9. The vascular sheath clamping device according to claim 8, characterized in that: The second sliding rods, the first sliding blocks and the second sliding blocks are all in two groups, and are symmetrically distributed near the two ends of the back side of the striking platform.

10. The vascular sheath clamping device according to claim 8, characterized in that: The fifth oil tank is a bidirectional oil tank, the number of the fifth piston rods is two groups, and the surface of the extrusion block is provided with a smooth inclined surface.

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