Fixation device for vascular sheath

Abstract

The utility model provides a fixing device for a vascular sheath. The fixing device comprises a first clamping piece and a second clamping piece. A fixing part is arranged at one end of the first clamping piece, a first clamping part is arranged at the other end of the first clamping piece, and a plurality of clamping grooves are formed in one side of the first clamping part; one end of the second clamping piece is provided with a movable part, the other end of the second clamping piece is provided with a second clamping part, the movable part is rotatably connected to the fixed part, one side of the second clamping part is provided with a matching unit, and the matching unit is selectively clamped in the at least one clamping groove and used for adjusting the rotating angle of the movable part relative to the fixed part; the first clamping piece and the second clamping piece are used for clamping blood vessel sheaths of different sizes between the first clamping piece and the second clamping piece. Vascular sheaths of different specifications and sizes can be fixed, the adaptability of the fixing device is improved, and flow operation of a vascular interventional operation is facilitated.

Description

Technical Field

[0001] The present disclosure relates to the technical field of medical devices, and more particularly, to a fixing device for a vascular sheath. Background Art

[0002] A vascular sheath is a commonly used auxiliary device in the medical field. Generally, it is inserted into an artery and is a medical device that provides a passage for other intravascular treatment materials. The vascular sheath is mainly used in interventional surgeries, assisting and cooperating with guide wires or catheters, providing a liquid passage for entering the interventional system, and playing a role in preventing bleeding. The vascular sheath is equivalent to placing a fixator at the puncture site, facilitating medical operations by doctors, supporting and guiding catheters or guide wires, effectively reducing bleeding during puncture operations, and weakening the pain of patients.

[0003] However, during the process of vascular interventional surgery, when frequently replacing and using various interventional consumables, it is easy to cause the vascular sheath to shake, creating potential safety hazards during the vascular interventional surgery. Therefore, a vascular sheath clip is needed to fix the vascular sheath. For the related vascular sheath clip for fixing the vascular sheath, one side is connected to an external fixing device, and the other part is connected to the vascular sheath, thereby achieving the fixation of the vascular sheath through the vascular sheath clip, which can improve the safety during the vascular interventional surgery process.

[0004] However, due to different manufacturers of vascular sheaths on the market, the specifications and sizes of the produced vascular sheaths are not the same. During the process of vascular interventional surgery, when using vascular sheaths of different specifications and sizes, different vascular sheath clips need to be prepared to match the vascular sheaths, increasing the complexity of the doctor's operation process and being unfavorable for the process operation of vascular interventional surgery. Summary of the Utility Model

[0005] The purpose of the present disclosure is to overcome at least one of the above-mentioned related technologies, and provide a fixing device for a vascular sheath, which can fix vascular sheaths of different specifications and sizes, and is beneficial to the process operation of vascular interventional surgery.

[0006] The additional aspects and advantages of the present disclosure will be partially described below, and partially will become apparent from the description, or can be learned through the practice of the present disclosure.

[0007] According to one aspect of the present disclosure, there is provided a fixing device for a vascular sheath, including:

[0008] A first clamping member, one end of which is provided with a fixing portion, the other end is provided with a first clamping portion, and one side of the first clamping portion is provided with a plurality of clamping grooves;

[0009] The second clamping member has a movable portion provided at one end and a second clamping portion provided at the other end. The movable portion is rotatably connected to the fixed portion. A matching unit is provided on one side of the second clamping portion. The matching unit is selectively clamped in at least one clamping groove for adjusting the rotation angle of the movable portion relative to the fixed portion to clamp blood vessel sheaths of different sizes between the first clamping member and the second clamping member.

[0010] In an exemplary embodiment of the present disclosure, the fixing device further includes a connecting shaft;

[0011] One of the fixed portion and the movable portion is provided with a protrusion, and the other is provided with a notch, and the protrusion and the notch match each other;

[0012] Along a first direction, the fixed portion is provided with a first through hole, and the movable portion is provided with a second through hole. The first through hole or the second through hole is located on the protrusion, and the connecting shaft passes through the first through hole and the second through hole;

[0013] Wherein, the first direction is the axial direction of the rotation of the movable portion relative to the fixed portion.

[0014] In an exemplary embodiment of the present disclosure, the first clamping member includes:

[0015] A straight section, and the first clamping portion is provided on the straight section;

[0016] A bent section, the fixed portion is provided at one end of the bent section away from the straight section, and the bent section is connected to the straight section.

[0017] In an exemplary embodiment of the present disclosure, the clamping grooves are uniformly arranged along a second direction;

[0018] Wherein, the second direction is the extending direction of the straight section.

[0019] In an exemplary embodiment of the present disclosure, the fixing device further includes:

[0020] A connecting assembly, including a first connecting member, a second connecting member and a connecting tube. The first connecting member is fixedly connected to one side of the first clamping member or the second clamping member. The second connecting member is detachably connected to the first connecting member. The connecting tube is connected to the second connecting member, and the connecting tube is used to establish a passage for the interventional consumables to pass through.

[0021] In an exemplary embodiment of the present disclosure, the first connecting member is provided with a threaded groove, and the second connecting member is provided with an external thread, and the second connecting member and the first connecting member are threadedly connected.

[0022] In an exemplary embodiment of the present disclosure, the fixing device further includes:

[0023] The limiting member is fixedly provided on the side of the first clamping member away from the second connecting member. An insertion groove is provided on the limiting member, and the insertion groove communicates with the connecting pipe. The main body of the vascular sheath is rotatably connected to the insertion groove for axially limiting the main body of the vascular sheath.

[0024] In an exemplary embodiment of the present disclosure, a notch is provided on the second clamping member, and the drainage tube of the vascular sheath passes through the notch for limiting the drainage tube through the notch when the main body of the vascular sheath drives the drainage tube to rotate.

[0025] In an exemplary embodiment of the present disclosure, the first clamping member has elastic properties; and / or the second clamping member has elastic properties.

[0026] In an exemplary embodiment of the present disclosure, the matching unit is provided with a plurality of matching grooves, and the matching grooves are mutually matched and clamped with the clamping grooves.

[0027] The fixing device for a vascular sheath of the present disclosure includes a first clamping member and a second clamping member. One end of the first clamping member is provided with a fixing portion, and the other end is provided with a first clamping portion. A plurality of clamping grooves are provided on one side of the first clamping portion; one end of the second clamping member is provided with a movable portion, and the other end is provided with a second clamping portion. The movable portion is rotatably connected to the fixing portion. A matching unit is provided on one side of the second clamping portion, and the matching unit can be selectively clamped in at least one clamping groove for adjusting the rotation angle of the movable portion relative to the fixing portion to clamp vascular sheaths of different sizes between the first clamping member and the second clamping member. The fixing device for a vascular sheath of the present disclosure can fix vascular sheaths of different specifications and sizes, increasing the application range of the fixing device and facilitating the procedural operation of vascular intervention surgery.

[0028] It should be understood that the above general description and the following detailed description are only exemplary and explanatory, and cannot limit the present disclosure. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] The accompanying drawings herein are incorporated into the specification and form a part of the specification, showing embodiments consistent with the present disclosure, and are used together with the specification to explain the principles of the present disclosure. Obviously, the accompanying drawings in the following description are only some embodiments of the present disclosure, and those of ordinary skill in the art can obtain other drawings based on these drawings without creative efforts.

[0030] Figure 1 is a schematic structural diagram of the fixing device for a vascular sheath of the present disclosure.

[0031] Figure 2 is Figure 1 a side view of

[0032] Figure 3It is a schematic structural diagram of another embodiment of the fixing device for the vascular sheath of the present disclosure.

[0033] Figure 4 is Figure 3 exploded view of.

[0034] The descriptions of the reference numerals of the main components in the figure are as follows:

[0035] 1. Fixing device; 2. Vascular sheath;

[0036] 11. First clamping member; 12. Second clamping member; 13. Connecting shaft; 14. Limiting member; 15. Connecting component;

[0037] 111. Fixing part; 112. First clamping part; 113. Straight section; 114. Bent section;

[0038] 121. Movable part; 122. Second clamping part; 123. Notch;

[0039] 151. First connecting member; 152. Second connecting member; 153. Connecting pipe;

[0040] 1121. Clamping groove; 1221. Matching unit;

[0041] 21. Body of the vascular sheath; 22. Drainage tube of the vascular sheath. Specific embodiments

[0042] Now, example embodiments will be described more fully with reference to the accompanying drawings. However, the example embodiments can be implemented in various forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the example embodiments to those skilled in the art. The same reference numerals in the figures denote the same or similar structures, and thus their detailed descriptions will be omitted. In addition, the drawings are only schematic illustrations of the present disclosure and are not necessarily drawn to scale.

[0043] Although relative terms such as "upper" and "lower" are used in this specification to describe the relative relationship of one component of the icon to another component, these terms are used in this specification only for convenience, for example, according to the orientation of the example in the drawings. It can be understood that if the device of the icon is turned upside down, the component described as "upper" will become the component "lower". When a structure is "on" another structure, it may mean that a structure is integrally formed on another structure, or that a structure is "directly" disposed on another structure, or that a structure is "indirectly" disposed on another structure through another structure.

[0044] The terms "a", "an", "the", "", and "at least one" are used to denote the presence of one or more elements / components / etc.; the terms "comprising" and "having" are used to denote an open inclusion meaning and refer to the possibility of the existence of additional elements / components / etc. in addition to the listed elements / components / etc.; the terms "first", "second" are used only as labels and are not a limitation on the quantity of their objects.

[0045] Embodiments of the present disclosure provide a fixing device for a vascular sheath, comprising a first clamping member and a second clamping member. One end of the first clamping member is provided with a fixing portion, and the other end is provided with a first clamping portion. One side of the first clamping portion is provided with a plurality of clamping grooves; one end of the second clamping member is provided with a movable portion, and the other end is provided with a second clamping portion. The movable portion is rotatably connected to the fixing portion. One side of the second clamping portion is provided with a matching unit, and the matching unit can be selectively clamped in at least one of the clamping grooves for adjusting the rotation angle of the movable portion relative to the fixing portion so as to clamp vascular sheaths of different sizes between the first clamping member and the second clamping member. The fixing device for a vascular sheath of the present disclosure can fix vascular sheaths of different specifications and sizes, increasing the applicable range of the fixing device and facilitating the process operation of vascular intervention surgery.

[0046] The present disclosure provides a fixing device 1 for a vascular sheath 2, comprising a first clamping member 11 and a second clamping member 12. As Figure 1 and Figure 2 shown, the first clamping member 11 and the second clamping member 12 act together to achieve the fixation of the vascular sheath 2. Among them, one end of the first clamping member 11 is provided with a fixing portion 111, and the other end is provided with a first clamping portion 112. One side of the first clamping portion 112 is provided with a plurality of clamping grooves 1121; one end of the second clamping member 12 is provided with a movable portion 121, and the other end is provided with a second clamping portion 122. The movable portion 121 is rotatably connected to the fixing portion 111. One side of the second clamping portion 122 is provided with a matching unit 1221, and the matching unit 1221 can be selectively clamped in at least one of the clamping grooves 1121 for adjusting the rotation angle of the movable portion 121 relative to the fixing portion 111 so as to clamp vascular sheaths of different sizes between the first clamping member 11 and the second clamping member 12.

[0047] Specifically, since the movable part 121 is rotatably connected to the fixed part 111, through the relative rotation between the movable part 121 and the fixed part 111, the cooperation unit 1221 can be controlled to be clamped in at least one clamping groove 1121. When the cooperation unit 1221 is clamped in at least one clamping groove 1121, the movable part 121 and the fixed part 111 jointly generate a clamping force acting on the vascular sheath 2, thereby realizing the clamping of the vascular sheath 2. The doctor can directly rotate the movable part 121 and, through the clamping of the cooperation unit 1221 and the clamping groove 1121, realize the fixed clamping of the vascular sheath 2, which can simplify the operation process of the doctor.

[0048] Furthermore, since the first clamping part 112 is provided with a plurality of clamping grooves 1121, by rotating the movable part 121, the cooperation unit 1221 can be driven to be selectively clamped in at least one clamping groove 1121. When the cooperation unit 1221 is clamped in different clamping grooves 1121, the size of the area enclosed between the movable part 121 and the fixed part 111 is different. When the doctor needs to fix vascular sheaths 2 of different specifications and sizes, only by adjusting the clamping position of the cooperation unit 1221 and the clamping groove 1121 can the size of the area enclosed between the movable part 121 and the fixed part 111 be changed, and vascular sheaths 2 of different sizes can be clamped between the first clamping part 11 and the second clamping part 12. Furthermore, the fixation and clamping of vascular sheaths 2 of different specifications and sizes can be realized through the position change between the movable part 121 and the fixed part 111, increasing the application range of the fixing device 1 and facilitating the process operation of vascular intervention surgery.

[0049] Similarly, when the doctor fixes vascular sheaths 2 of different specifications and sizes, only by changing the clamping position between the cooperation unit 1221 and the clamping groove 1121 can the fixation and clamping of vascular sheaths 2 of different specifications and sizes be realized, which can reduce the trouble in the doctor's work process and improve the efficiency of vascular intervention surgery.

[0050] When the doctor needs to fix and clamp a vascular sheath 2 of a smaller specification and size, only by rotating the movable part 121 towards the direction close to the fixed part 111 is needed; on the contrary, when the doctor needs to fix and clamp a vascular sheath 2 of a larger specification and size, only by rotating the movable part 121 towards the direction away from the fixed part 111 is needed, which can reduce the difficulty in the doctor's operation process and make the doctor's operation process simple and efficient.

[0051] In addition, when the fixing device 1 fixes the vascular sheath 2, by rotating the movable part 121 relative to the fixed part 111 so that the matching unit 1221 is clamped in the corresponding clamping groove 1121, the fixing of the vascular sheath 2 can be achieved. When disassembling the vascular sheath 2, by rotating the movable part 121 in the reverse direction so that the matching unit 1221 and the clamping groove 1121 are disengaged, the disassembly of the vascular sheath 2 can be achieved, which can facilitate the fixing process and disassembly process of the vascular sheath 2 and is beneficial to the operation of the doctor.

[0052] It should be noted that since the movable part 121 is rotatably connected to the fixed part 111, during the process of fixing and clamping the vascular sheath 2, the fixed part 111 can be fixed in a suitable position in advance, and then by separately adjusting the rotation of the movable part 121, the clamping and separation of the first clamping part 112 and the second clamping part 122 can be controlled, so as to achieve the fixing and clamping or disassembly of the vascular sheath 2. On the one hand, the position of the fixed part 111 can be adjusted by rotation to fix the fixed part 111 in a suitable position, thereby further improving the overall stability of the fixing device 1 and then improving the stability of fixing the vascular sheath 2; on the other hand, the fixing or disassembly of the vascular sheath 2 can be achieved only by rotating the movable part 121, which can simplify the operation process of the doctor and facilitate the operation of the doctor.

[0053] The following will describe in detail each part of the fixing device 1 for the vascular sheath 2:

[0054] In an exemplary embodiment of the present disclosure, the fixing device 1 further includes a connecting shaft 13; one of the fixed part 111 and the movable part 121 is provided with a protrusion, and the other is provided with a notch, and the protrusion and the notch match each other. As Figure 1 and 2 shown, along the first direction, the fixed part 111 is provided with a first through hole, the movable part 121 is provided with a second through hole, and the first through hole or the second through hole is located on the protrusion, and the connecting shaft 13 passes through the first through hole and the second through hole; wherein, the first direction is the axis direction of the rotation of the movable part 121 relative to the fixed part 111.

[0055] It should be noted that in this embodiment, the first direction is the axis direction of the rotation of the movable part 121 relative to the fixed part 111, that is Figure 1 the X direction in

[0056] Specifically, since one of the fixed part 111 and the movable part 121 is provided with a protrusion and the other is provided with a notch, and the protrusion and the notch match each other, the connecting shaft 13 is inserted through the first through hole and the second through hole. When adjusting the position of the movable part 121 relative to the fixed part 111 by rotating the movable part 121, interference and acting force will not be generated on the connecting part between the movable part 121 and the fixed part 111. Thus, the stability of the connection between the movable part 121 and the fixed part 111 can be improved, and further the service life of the connection between the movable part 121 and the fixed part 111 can be increased, and the overall service life of the fixing device 1 can be improved.

[0057] It can be understood that since no other acting force exists between the movable part 121 and the fixed part 111, the situation that the connecting part between the movable part 121 and the fixed part 111 is broken due to long-term acting force during the process of the fixing device 1 fixing the blood vessel sheath 2 can be avoided. Thus, the surgical risk during the blood vessel intervention operation can be reduced, and the safety of the blood vessel intervention operation process can be ensured.

[0058] In an exemplary embodiment of the present disclosure, the first clamping member 11 includes a straight section 113 and a bent section 114. As Figure 1 and Figure 2 shown, the first clamping portion 112 is disposed on the straight section 113; the fixed portion 111 is disposed at one end of the bent section 114 away from the straight section 113, and the bent section 114 is connected to the straight section 113. Specifically, since the first clamping member 11 includes the straight section 113 and the bent section 114, the first clamping portion 112 is disposed on the straight section 113, and the fixed portion 111 is disposed at one end of the bent section 114 away from the straight section 113, the fixing device 1 can be fixed at a suitable position through the straight section 113, thereby improving the stability of the fixing device 1, and further improving the firmness of fixing the blood vessel sheath 2. In addition, since the fixed portion 111 is disposed on the bent section 114, the shape of the bent section 114 can be matched with the body 21 of the blood vessel sheath 2, thereby improving the stability of the movable part 121 and the fixed part 111 clamping the blood vessel sheath 2. In addition, since the first clamping portion 112 is provided with a plurality of clamping grooves 1121, and at the same time the first clamping portion 112 is disposed on the straight section 113, the clamping between the matching unit 1221 and the first clamping portion 112 can be made more firm.

[0059] In an exemplary embodiment of the present disclosure, the clamping grooves 1121 are uniformly arranged along the second direction; wherein, the second direction is the extending direction of the straight section 113.

[0060] It should be noted that the second direction is the extending direction of the straight section 113, that is Figure 1 the Y direction in Figure 1 and Figure 2As shown, since the clamping grooves 1121 are uniformly arranged in the second direction, it can be ensured that the fitting unit 1221 can be tightly clamped with any one of the clamping grooves 1121, thereby avoiding the situation that the fitting unit 1221 is too firmly clamped with the clamping groove 1121 at some positions and too loose at some positions, and thus improving the stability of the fixing device 1 for fixing the vascular sheath 2 of any specification size.

[0061] Optionally, the cross-sectional shape of the clamping groove 1121 is V-shaped, which can facilitate the fitting unit 1221 to reach the bottom of the gap of the clamping groove 1121 during the clamping process of the fitting unit 1221 and the clamping groove 1121, which is beneficial to both the clamping process of the fitting unit 1221 and the clamping groove 1121 and the stability of the clamping between the fitting unit 1221 and the clamping groove 1121. At the same time, when it is necessary to disassemble the fitting unit 1221 and the clamping groove 1121, since the cross-sectional shape of the clamping groove 1121 is V-shaped and the upper end size of the clamping groove 1121 is larger, it can facilitate the fitting unit 1221 to disengage from the clamping groove 1121, thus facilitating the operation process of the doctor.

[0062] In an exemplary embodiment of the present disclosure, the fixing device 1 further includes a connecting assembly 15. As Figure 3 and Figure 4 shown, the connecting assembly 15 includes a first connecting member 151, a second connecting member 152 and a connecting tube 153. The first connecting member 151 is fixedly connected to one side of the first clamping member 11 or the second clamping member 12. The second connecting member 152 is detachably connected to the first connecting member 151. The connecting tube 153 is connected to the second connecting member 152, and the connecting tube 153 is used to establish a channel for the interventional consumables to pass through.

[0063] Specifically, by connecting the connecting tube 153 to the second connecting member 152, and the connecting tube 153 is used to establish a channel for the interventional consumables to pass through, the fixing of the fixing device 1 relative to the body of the vascular interventional surgical robot can be directly realized, thereby improving the stability of the fixing device 1 for fixing the vascular sheath 2. At the same time, by fixedly connecting the fixing device 1 to the body of the vascular interventional surgical robot through the connecting assembly 15, the space occupied by the fixing device 1 can be reduced, and the space utilization rate during the operation process of the vascular interventional surgery can be improved. In addition, since the second connecting member 152 is detachably connected to the first connecting member 151, it is convenient for the doctor to install and disassemble the connecting assembly 15, and the doctor can install and fix or disassemble the fixing device 1 according to needs, which is convenient for the doctor's operation.

[0064] In an exemplary embodiment of the present disclosure, a threaded groove is provided on the first connecting member 151, and an external thread is provided on the second connecting member 152. The second connecting member 152 is threadedly connected to the first connecting member 151. Specifically, since the second connecting member 152 is threadedly connected to the first connecting member 151, a frictional force can be generated between the first connecting member 151 and the second connecting member 152, making the connection more firm. Moreover, the threaded connection can withstand relatively large tensile and shear forces, ensuring the stability and reliability of the connection between the first connecting member 151 and the second connecting member 152. In addition, the threaded connection can be disassembled and assembled by rotating to loosen or tighten, which is more convenient and flexible in cases where replacement or adjustment is required.

[0065] In an exemplary embodiment of the present disclosure, the fixing device 1 further includes a limiting member 14, which is fixedly arranged on the side of the first clamping member 11 away from the second connecting member 152. An insertion groove is provided on the limiting member 14, and the insertion groove communicates with the connecting pipe 153. The main body of the blood vessel sheath 2 is rotatably connected to the insertion groove for axially limiting the body 21 of the blood vessel sheath 2. As Figure 1 and Figure 3 shown, when the body 21 of the blood vessel sheath 2 is clamped between the movable portion 121 and the fixed portion 111, the acting force applied between the movable portion 121 and the fixed portion 111 is mainly the acting force perpendicular to the circumference of the body 21 of the blood vessel sheath 2. Since the limiting member 14 is fixedly arranged on one side of the first clamping member 11 and an insertion groove is provided on the limiting member 14, and the main body of the blood vessel sheath 2 is rotatably connected to the insertion groove, the axial direction of the body 21 of the blood vessel sheath 2 can be limited by the limiting member 14, thereby preventing the blood vessel sheath 2 from moving in the first direction and improving the safety during the blood vessel intervention operation.

[0066] In an exemplary embodiment of the present disclosure, a notch 123 is provided on the second clamping member 12. As Figure 1 and Figure 3 shown, the drainage tube 22 of the blood vessel sheath 2 passes through the notch 123 for limiting the drainage tube 22 when the body 21 of the blood vessel sheath 2 drives the drainage tube 22 to rotate. Specifically, when the position of the drainage tube 22 needs to be adjusted, due to the axial limiting effect of the limiting member 14, the drainage tube 22 can be driven to rotate by the rotation of the body 21 of the blood vessel sheath 2. Since the drainage tube 22 of the blood vessel sheath 2 passes through the notch 123, the rotation position of the drainage tube 22 can be restricted by the notch 123, thereby preventing the drainage tube 22 from rotating randomly or rotating to an unnecessary position and affecting the normal progress of the blood vessel intervention operation, and ensuring the normal progress of the blood vessel intervention operation.

[0067] In an exemplary embodiment of the present disclosure, the first clamping member 11 has elastic properties, and the second clamping member 12 also has elastic properties. Specifically, since the first clamping member 11 has elastic properties, when the required specification size of the vascular sheath 2 is small, it is necessary to maintain a small clamping space between the first clamping member 11 and the second clamping member 12. Based on this, the movable portion 121 needs to be closer to the fixed portion 111, and thus the second clamping member 12 needs a greater elastic deformation. Since the first clamping member 11 has elastic properties, the elastic deformation of the first clamping member 11 can be used to reduce the elastic deformation required of the second clamping member 12, thereby improving the durability and reliability of the second clamping member 12.

[0068] Furthermore, since the second clamping member 12 has elastic properties, on the one hand, the second clamping member 12 can be elastically deformed and clamped in different clamping grooves 1121, thereby realizing the fixation of vascular sheaths 2 of different specification sizes; on the other hand, when the second clamping member 12 and the first clamping member 11 fixedly clamp the vascular sheath 2, the second clamping member 12 can be elastically deformed to better fit the vascular sheath 2 and tighten the vascular sheath 2 more firmly, preventing the vascular sheath 2 from shaking or even loosening.

[0069] In addition, since the first clamping member 11 has elastic properties, the first clamping member 11 can be elastically deformed to closely fit the vascular sheath 2 as well, thereby further improving the stability of fixing the vascular sheath 2.

[0070] In an exemplary embodiment of the present disclosure, the matching unit 1221 is provided with a plurality of matching grooves, and the matching grooves are engaged with the clamping grooves 1121. Specifically, since the matching unit 1221 is provided with a plurality of matching grooves and the matching grooves are engaged with the clamping grooves 1121, the engagement stability between the matching unit 1221 and the clamping grooves 1121 can be improved through the mutual cooperation between the matching grooves and the clamping grooves 1121, thereby avoiding the situation of detachment after the matching unit 1221 and the clamping grooves 1121 are engaged, and improving the reliability of the fixing device 1 for fixing the vascular sheath 2.

[0071] Those skilled in the art will readily conceive of other embodiments of the present disclosure after considering the specification and practicing the utility model disclosed herein. The present utility model is intended to cover any variations, uses, or adaptations of the present disclosure, which follow the general principles of the present disclosure and include common general knowledge or conventional technical means in the technical field not disclosed in the present disclosure. The specification and embodiments are only regarded as exemplary, and the true scope and spirit of the present disclosure are pointed out by the appended claims.

Claims

1. A fixing device for a vascular sheath, characterized in that: include: A first clamping member, having a fixing portion at one end and a first clamping portion at the other end, wherein a plurality of clamping grooves are provided on one side of the first clamping portion; The second clamping member has a movable part at one end and a second clamping part at the other end. The movable part is rotatably connected to the fixed part. A matching unit is provided on one side of the second clamping part. The matching unit can be selectively clamped in at least one of the clamping grooves to adjust the rotation angle of the movable part relative to the fixed part so as to clamp the vascular sheaths of different sizes between the first clamping member and the second clamping member.

2. The fixing device according to claim 1, characterized in that: The fixing device also includes a connecting shaft; One of the fixed part and the movable part is provided with a protrusion, and the other is provided with a notch, and the protrusion and the notch match each other; Along the first direction, the fixed portion is provided with a first through hole, the movable portion is provided with a second through hole, the first through hole or the second through hole is located on the protrusion, and the connecting shaft is passed through the first through hole and the second through hole; The first direction is the axial direction of rotation of the movable part relative to the fixed part.

3. The fixing device according to claim 1, characterized in that: The first clamping member comprises: A straight section, wherein the first clamping portion is arranged on the straight section; The fixing portion is arranged at an end of the bending section away from the straight section, and the bending section is connected to the straight section.

4. The fixing device according to claim 3, characterized in that: The clamping grooves are evenly arranged along the second direction; Wherein, the second direction is the extending direction of the straight section.

5. The fixing device according to claim 1, characterized in that: The fixing device also includes: The connecting component includes a first connecting member, a second connecting member and a connecting tube, wherein the first connecting member is fixedly connected to one side of the first clamping member or the second clamping member, the second connecting member is detachably connected to the first connecting member, and the connecting tube is connected to the second connecting member, and the connecting tube is used to establish a channel for the interventional consumable to pass through.

6. The fixing device according to claim 5, characterized in that: The first connecting member is provided with a thread groove, the second connecting member is provided with an external thread, and the second connecting member is threadedly connected to the first connecting member.

7. The fixing device according to claim 5, characterized in that: The fixing device also includes: A limiting member is fixedly arranged on a side of the first connecting member away from the second connecting member. An insertion groove is arranged on the limiting member. The insertion groove is communicated with the connecting tube. The main body of the vascular sheath is rotatably connected to the insertion groove for axially limiting the main body of the vascular sheath.

8. The fixing device according to claim 7, characterized in that: The first clamping member or the second clamping member is provided with a notch, and the drainage tube of the vascular sheath is passed through the notch, so as to limit the drainage tube through the notch when the body of the vascular sheath drives the drainage tube to rotate.

9. The fixing device according to any one of claims 1 to 8, characterized in that: The first clamping member has elastic properties; and / or The second clamping member has elastic properties.

10. The fixing device according to any one of claims 1 to 8, characterized in that: The matching unit is provided with a plurality of matching grooves, and the matching grooves are matched and connected with the clamping grooves.

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