CN215080333U - Multilayer magnesium alloy cardiovascular stent - Google Patents
Multilayer magnesium alloy cardiovascular stent Download PDFInfo
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- CN215080333U CN215080333U CN202023172928.8U CN202023172928U CN215080333U CN 215080333 U CN215080333 U CN 215080333U CN 202023172928 U CN202023172928 U CN 202023172928U CN 215080333 U CN215080333 U CN 215080333U
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Abstract
The utility model provides a multilayer magnesium alloy relates to cardiovascular support technical field, a multilayer magnesium alloy cardiovascular support, including support main part, sealed tube and fixing device, fixing device includes the unable adjustment base that two sets of symmetries set up, unable adjustment base's fixed surface is connected with the control base, the inner wall fixedly connected with control spring of control base, the one end fixedly connected with carriage of control base is kept away from to the control spring, the fixed surface of carriage is connected with the control lever, the first piece that draws of one end fixedly connected with of carriage is kept away from to the control lever, the inner wall sliding connection of carriage has the sliding block, the inner wall sliding connection of control base has the slide bar. The utility model discloses, through setting up fixing device, when sealed lid needs the fixing, loosen first drawing piece for the sliding block is inserted and is established the inner wall at unable adjustment base and fixed block, accomplishes fixedly, and present most equipment receives the extrusion easily, leads to the unable normal use of equipment, has increased manufacturing cost.
Description
Technical Field
The utility model relates to a cardiovascular support technical field especially relates to a multilayer magnesium alloy cardiovascular support.
Background
The intravascular stent is characterized in that an internal stent is placed in a lesion section on the basis of the expansion forming of a lumen saccule so as to achieve the purposes of supporting a blood vessel at a stenotic occlusion section, reducing the elastic retraction and reshaping of the blood vessel and keeping the blood flow of a lumen unobstructed. Some stents also have the effect of preventing restenosis. Mainly divided into coronary stents, cerebral vascular stents, renal artery stents, aortic stents, etc.
Most of the existing devices are easily extruded, so that the devices cannot be normally used, the use cost is increased, and improvement is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a multilayer magnesium alloy cardiovascular stent.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a multilayer magnesium alloy cardiovascular bracket comprises a bracket main body, a sealing pipe and a fixing device, wherein the bracket main body is positioned inside the sealing pipe and is abutted against the sealing pipe, the fixing device is arranged on the surface of the sealing pipe and comprises two groups of symmetrically arranged fixing bases, the surfaces of the fixing bases are fixedly connected with control bases, the inner walls of the control bases are fixedly connected with control springs, one ends of the control springs, far away from the control bases, are fixedly connected with sliding frames, the sliding frames are in sliding connection with the inner walls of the control bases, the surfaces of the sliding frames are fixedly connected with control rods, the control rods are inserted in the control springs and are in sliding connection with the control springs, one ends, far away from the sliding frames, of the control rods penetrate through the control bases and are in sliding connection with the control bases, one ends, far away from the sliding frames, of the control rods are fixedly connected with first pulling blocks, the first pulling blocks are abutted against the surfaces of the control bases, the inner wall sliding connection of carriage has the sliding block, the sliding block runs through unable adjustment base and rather than sliding connection, the inner wall sliding connection of control base has the slide bar, the slide bar runs through the carriage and rather than sliding connection, the slide bar runs through the sliding block and rather than fixed connection.
Preferably, the surface of the sealing pipe is connected with a sealing cover in a sliding manner, the inner diameter of the sealing cover is matched with the outer diameter of the sealing pipe, and the sealing cover abuts against the fixed base.
Preferably, the surface of the sealing cover is fixedly connected with a fixed block, the fixed block is connected with the inner wall of the fixed base in a sliding mode, and the inner wall of the fixed block is connected with the surface of the sliding block in a sliding mode.
Preferably, the surface of the support main body is provided with four groups of supporting devices, and the four groups of supporting devices are arranged at equal intervals.
Preferably, the supporting device comprises a supporting base, the supporting base is fixedly connected with the surface of the support main body, the surface of the supporting base is fixedly connected with a supporting spring, the supporting spring is far away from one end of the supporting base, the clamping block is fixedly connected with the clamping block, the surface of the clamping block is fixedly connected with a supporting rod, the supporting rod is inserted into the supporting spring and is connected with the supporting spring in a sliding mode, one end, far away from the clamping block, of the supporting rod penetrates through the supporting base and is connected with the supporting base in a sliding mode, one end, far away from the clamping block, of the supporting rod is fixedly connected with a second pulling block, and the second pulling block is abutted to the supporting base.
Preferably, the surface of the bracket main body is fixedly connected with a concave block, the inner wall of the concave block is connected with a correcting block in a sliding manner, the correcting block abuts against the surface of the bracket main body, and the inner wall of the correcting block is connected with the surface of the clamping block in a sliding manner.
Compared with the prior art, the utility model has the advantages and positive effects that,
1. the utility model discloses in, through setting up fixing device, when sealed lid needs to be fixed, stimulate first drawing piece to the direction motion of keeping away from control base, drive control lever and carriage syntropy slip, control spring takes place deformation, make slide bar and sliding block to the direction slip of keeping away from unable adjustment base, insert unable adjustment base's inner wall with the fixed block, loosen first drawing piece, control spring produces elasticity for struggling away the constraint, it resets to drive first drawing piece and control lever, make the sliding block insert the inner wall of establishing at unable adjustment base and fixed block, accomplish fixedly, most equipment receives the extrusion easily at present, lead to the unable normal use of equipment, use cost has been increased, the effectual practicality that improves equipment of application of this device.
2. The utility model discloses in, through setting up strutting arrangement, when equipment is using, the pulling second draws the piece to keeping away from the direction motion that supports the base, drive bracing piece and fixture block to the direction slip that is close to the support base, supporting spring takes place deformation, put into the concave type piece with the correction block, loosen the second and draw the piece, supporting spring produces elasticity for struggling loose the constraint, drive bracing piece and fixture block and reset, accomplish the support, present most equipment is when using, probably exist because of the misoperation makes equipment bending deformation, cause the injury to the human body, the effectual security that improves equipment of application of this device.
Drawings
Fig. 1 is a schematic perspective view of a multilayer magnesium alloy cardiovascular stent according to the present invention;
fig. 2 is a cross-sectional view of fig. 1 of a multilayer magnesium alloy cardiovascular stent according to the present invention;
fig. 3 is a schematic structural view of a fixing device for a multilayer magnesium alloy cardiovascular stent according to the present invention;
fig. 4 is a schematic structural view of a part of a supporting device of a multilayer magnesium alloy cardiovascular stent provided by the utility model;
fig. 5 is a schematic view of a part of the supporting device of the multilayer magnesium alloy cardiovascular stent of the present invention.
Illustration of the drawings: 1. a stent body; 2. a sealing tube; 3. a sealing cover; 4. a fixing device; 41. a fixed base; 42. a fixed block; 43. a slide bar; 44. a carriage; 45. a slider; 46. a control base; 47. a control spring; 48. a control lever; 49. a first pull block; 5. a support device; 51. a support base; 52. a rectification block; 53. a clamping block; 54. a support spring; 55. a support bar; 56. a second pull block; 57. a concave block.
Detailed Description
In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.
The specific arrangement and function of the fixing means 4 and the supporting means 5 will be described in detail below.
As shown in fig. 1 and 3, the fixing device 4 is disposed on the surface of the sealed tube 2, the fixing device 4 includes two sets of symmetrically disposed fixing bases 41, a control base 46 is fixedly connected to the surface of the fixing base 41, a control spring 47 is fixedly connected to the inner wall of the control base 46, a sliding frame 44 is fixedly connected to one end of the control spring 47 away from the control base 46, the sliding frame 44 is slidably connected to the inner wall of the control base 46, a control rod 48 is fixedly connected to the surface of the sliding frame 44, the control rod 48 is inserted into the control spring 47 and slidably connected thereto, one end of the control rod 48 away from the sliding frame 44 penetrates through the control base 46 and slidably connected thereto, a first pulling block 49 is fixedly connected to one end of the control rod 48 away from the sliding frame 44, the first pulling block 49 abuts against the surface of the control base 46, a sliding block 45 is slidably connected to the inner wall of the sliding frame 44, the sliding block 45 penetrates through the fixing base 41 and is slidably connected thereto, the inner wall of the control base 46 is connected with a sliding rod 43 in a sliding manner, the sliding rod 43 penetrates through the sliding frame 44 and is connected with the sliding frame in a sliding manner, the sliding rod 43 penetrates through the sliding block 45 and is fixedly connected with the sliding block, the surface of the sealing cover 3 is fixedly connected with a fixed block 42, the fixed block 42 is connected with the inner wall of the fixed base 41 in a sliding manner, and the inner wall of the fixed block 42 is connected with the surface of the sliding block 45 in a sliding manner.
The effect that its whole fixing device 4 reaches does, through setting up fixing device 4, when sealed lid 3 needs to be fixed, the first piece 49 that draws of pulling is to the direction motion of keeping away from control base 46, drive control lever 48 and carriage 44 syntropy slip, control spring 47 takes place deformation, make slide bar 43 and sliding block 45 slide to the direction of keeping away from unable adjustment base 41, insert the inner wall of unable adjustment base 41 with fixed block 42, loosen first piece 49 that draws, control spring 47 produces elasticity for struggling away the constraint, drive first piece 49 that draws and control lever 48 and reset, make sliding block 45 insert the inner wall of establishing at unable adjustment base 41 and fixed block 42, accomplish fixedly, most equipment receives the extrusion easily at present, lead to the unable normal use of equipment, use cost has been increased, the effectual practicality that has improved equipment of using of this device.
As shown in fig. 1, 4 and 5, the surface of the holder body 1 is provided with four sets of supporting devices 5, the four sets of supporting devices 5 are arranged at equal intervals, each supporting device 5 comprises a supporting base 51, the supporting base 51 is fixedly connected with the surface of the holder body 1, a supporting spring 54 is fixedly connected with the surface of the supporting base 51, a fixture block 53 is fixedly connected with one end of the supporting spring 54 far away from the supporting base 51, a supporting rod 55 is fixedly connected with the surface of the fixture block 53, the supporting rod 55 is inserted in the supporting spring 54 and slidably connected therewith, one end of the supporting rod 55 far away from the fixture block 53 penetrates through the supporting base 51 and slidably connected therewith, one end of the supporting rod 55 far away from the fixture block 53 is fixedly connected with a second fixture block 53, the second fixture block 53 abuts against the supporting base 51, a concave block 57 is fixedly connected with the surface of the holder body 1, and a correction block 52 is slidably connected with the inner wall of the concave block 57, the straightening block 52 is abutted against the surface of the bracket body 1, and the inner wall of the straightening block 52 is slidably connected with the surface of the fixture block 53.
The effect that its whole strutting arrangement 5 reaches does, through setting up strutting arrangement 5, when equipment is using, the pulling second draws piece 56 to keeping away from the direction motion that supports base 51, drive bracing piece 55 and fixture block 53 to the direction slip that is close to and supports base 51, supporting spring 54 takes place deformation, put into concave type piece 57 with correction block 52, loosen the second and draw piece 56, supporting spring 54 produces elasticity for struggling to get rid of the constraint, drive bracing piece 55 and fixture block 53 and reset, accomplish the support, present most equipment is when using, probably exist because of the misoperation makes equipment bending deformation, cause the injury to the human body, the effectual security that improves equipment of application of this device.
In embodiment 2, as shown in fig. 1, a seal cap 3 is slidably connected to the surface of a seal tube 2, the inner diameter of the seal cap 3 is adapted to the outer diameter of the seal tube 2, and the seal cap 3 abuts against a fixed base 41, unlike embodiment 1.
The whole working principle is that when the sealing cover 3 needs to be fixed, the first pulling block 49 is pulled to move towards the direction far away from the control base 46 to drive the control rod 48 and the sliding frame 44 to slide in the same direction, the control spring 47 deforms to enable the sliding rod 43 and the sliding block 45 to slide towards the direction far away from the fixed base 41, the fixed block 42 is inserted into the inner wall of the fixed base 41, the first pulling block 49 is loosened, the control spring 47 generates elastic force for breaking and releasing the constraint to drive the first pulling block 49 and the control rod 48 to reset, the sliding block 45 is inserted into the inner walls of the fixed base 41 and the fixed block 42 to complete the fixation, most of the existing equipment is easily extruded to cause the abnormal use of the equipment, the use cost is increased, the application of the device effectively improves the practicability of the equipment, when the equipment is used, the second pulling block 56 is pulled to move towards the direction far away from the support base 51, drive bracing piece 55 and fixture block 53 to the direction slip that is close to support base 51, supporting spring 54 takes place deformation, put into concave type piece 57 with correction block 52, loosen the second and draw piece 56, supporting spring 54 produces elasticity for struggling to get rid of the constraint, drive bracing piece 55 and fixture block 53 and reset, accomplish the support, present most equipment is when using, probably exist because of the misoperation makes equipment bending deformation, cause the injury to the human body, the effectual security that has improved equipment of application of this device.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.
Claims (6)
1. The utility model provides a multilayer magnesium alloy cardiovascular support, includes support main part (1), sealed tube (2) and fixing device (4), its characterized in that: the support main body (1) is positioned in the sealing tube (2) and is abutted against the sealing tube, and the fixing device (4) is arranged on the surface of the sealing tube (2);
the fixing device (4) comprises two groups of symmetrically arranged fixing bases (41), the fixed surface of each fixing base (41) is connected with a control base (46), the inner wall of each control base (46) is fixedly connected with a control spring (47), one end of each control spring (47) far away from the control base (46) is fixedly connected with a sliding frame (44), the sliding frames (44) are in sliding connection with the inner walls of the control bases (46), the fixed surface of each sliding frame (44) is connected with a control rod (48), each control rod (48) is inserted into each control spring (47) and is in sliding connection with the control spring, one end of each control rod (48) far away from each sliding frame (44) penetrates through each control base (46) and is in sliding connection with the control base, one end of each control rod (48) far away from each sliding frame (44) is fixedly connected with a first pull block (49), and the first pull blocks (49) are abutted to the surface of each control base (46), the inner wall sliding connection of carriage (44) has sliding block (45), sliding block (45) run through unable adjustment base (41) and rather than sliding connection, the inner wall sliding connection of control base (46) has slide bar (43), slide bar (43) run through carriage (44) and rather than sliding connection, slide bar (43) run through sliding block (45) and rather than fixed connection.
2. The multilayer magnesium alloy cardiovascular stent of claim 1, wherein: the surface sliding connection of sealed pipe (2) has sealed lid (3), the internal diameter of sealed lid (3) and the external diameter looks adaptation of sealed pipe (2), sealed lid (3) offset with unable adjustment base (41).
3. The multilayer magnesium alloy cardiovascular stent of claim 2, wherein: the surface fixed connection of sealed lid (3) is connected with fixed block (42), fixed block (42) and unable adjustment base (41)'s inner wall sliding connection, the surface sliding connection of the inner wall of fixed block (42) and sliding block (45).
4. The multilayer magnesium alloy cardiovascular stent of claim 1, wherein: the surface of the support main body (1) is provided with four groups of supporting devices (5), and the four groups of supporting devices (5) are arranged at equal intervals.
5. The multilayer magnesium alloy cardiovascular stent of claim 4, wherein: support device (5) are including supporting base (51), the fixed surface who supports base (51) and support subject (1) is connected, the fixed surface who supports base (51) is connected with supporting spring (54), supporting spring (54) are kept away from one end fixedly connected with fixture block (53) that supports base (51), the fixed surface of fixture block (53) is connected with bracing piece (55), bracing piece (55) are inserted and are established in supporting spring (54) and rather than sliding connection, the one end that fixture block (53) were kept away from in bracing piece (55) runs through supporting base (51) and rather than sliding connection, the one end fixedly connected with second that fixture block (53) were kept away from in bracing piece (55) draws piece (56), the second draws piece (56) and supports base (51) and offsets.
6. The multilayer magnesium alloy cardiovascular stent of claim 1, wherein: the surface of the bracket main body (1) is fixedly connected with a concave block (57), the inner wall of the concave block (57) is connected with a correcting block (52) in a sliding mode, the correcting block (52) is abutted to the surface of the bracket main body (1), and the inner wall of the correcting block (52) is connected with the surface of a clamping block (53) in a sliding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023172928.8U CN215080333U (en) | 2020-12-25 | 2020-12-25 | Multilayer magnesium alloy cardiovascular stent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023172928.8U CN215080333U (en) | 2020-12-25 | 2020-12-25 | Multilayer magnesium alloy cardiovascular stent |
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| Publication Number | Publication Date |
|---|---|
| CN215080333U true CN215080333U (en) | 2021-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023172928.8U Active CN215080333U (en) | 2020-12-25 | 2020-12-25 | Multilayer magnesium alloy cardiovascular stent |
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| Country | Link |
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| CN (1) | CN215080333U (en) |
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- 2020-12-25 CN CN202023172928.8U patent/CN215080333U/en active Active
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